JP7805892B2 - Board work system and defect information display method - Google Patents

Description

This invention relates to a board work system and a defect information display method, and in particular to a board work system equipped with a board work device configured to perform board manufacturing work, and a defect information display method.

Conventionally, a board work system equipped with a board work device configured to perform board manufacturing work has been known (see, for example, Patent Document 1).

Patent Document 1 discloses a work support system (board work system) equipped with a surface mounting device (board work device) configured to perform the work of mounting electronic components on a board (board manufacturing work). This work support system includes an inspection machine including a judgment unit and a result display unit. The inspection machine is configured to acquire image data of electronic components mounted on a board imaged by the surface mounting device. The inspection machine is configured so that the judgment unit performs defect judgment, such as chip lift judgment, based on the acquired image data. The result display unit is configured to display the defect judgment results obtained by the judgment unit.

The result display unit in Patent Document 1 is configured to display the time at which the defect occurred and an image of the defective electronic component mounted on the board that was determined to be defective based on the judgment result.

Patent No. 6666997

However, with the work support system of Patent Document 1, a worker can view the defect image displayed on the result display unit and confirm, for example, a chip floating state in which part of an electronic component is floating above the board. However, it is difficult to determine whether the chip floating state is caused by the worker's work, such as incorrect work or carelessness. Therefore, there is a need for a system that makes it easy to determine whether a defect that occurs in a surface mount device (board work device) is caused by the worker's work.

This invention was made to solve the above-mentioned problems, and one object of this invention is to provide a board work system that makes it easy to check whether a defect that occurs in a board work device is due to the work of the worker.

In order to achieve the above object, a board work system in a first aspect of the present invention comprises a board work device configured to perform board manufacturing work to manufacture boards having components mounted thereon; a video capture unit that captures work video of a worker performing work related to board manufacturing on the board work device; a control device that searches for candidate work videos of workers related to defects in board manufacturing work detected on the board work device and controls the acquisition of the work videos searched for as candidates; and a display unit, wherein the control device is configured to control the display unit to display the acquired work video in a playable state from the time the worker performed an operation on the board work device .

In a board work system according to a first aspect of the present invention, a control device is provided that is configured to control the display of the acquired work video in a reproducible state on the display unit, as described above. This allows the operator operating the control device to play back the work video, allowing the operator to easily check the work of the worker related to defects in the board manufacturing work, and therefore easily confirm whether a defect occurring in the board work device is due to the worker's work.

A board work system according to a second aspect of the present invention includes a board work device configured to perform board manufacturing work to manufacture boards on which components are mounted, a video capture unit that captures work videos of workers performing work related to board manufacturing on the board work device, a control device that searches for candidate work videos of workers related to a board manufacturing work defect detected on the board work device and controls acquisition of the candidate work videos, and a display unit, wherein the control device is configured to control display of the acquired work videos on the display device in a replayable state, and the control device is configured to control , based on a defect occurrence time of the board manufacturing work, to search for candidate work videos of workers who performed board manufacturing work on the board work device that performed the board manufacturing work on the board on which the defect was detected in the board manufacturing work before the defect occurrence time as a defect occurrence time. This makes it possible to minimize candidate work videos assumed to be related to the board manufacturing work defect even when a large number of work videos are stored, thereby preventing the operator of the control device from having to review the work videos.

In this case, the control device is preferably configured to control a search for candidate work videos of workers who performed work on the board work device that performed the board work on the board where the defect in the board manufacturing work was detected, based on a predetermined range of time between the time a predetermined time before the time the defect occurred and the time the defect occurred. This configuration further reduces the number of candidate work videos that are thought to be related to the defect in the board manufacturing work, thereby further reducing the complexity of the control device operator's task of reviewing the work videos.

In a board work system where the control device is configured to perform control to search for worker work videos as candidates based on a predetermined time range, the control device is preferably configured to perform control to search for work videos of each of the multiple workers as candidates if there are multiple workers who worked on the board work device that performed board work on a board on which a defect in board manufacturing work was detected within the predetermined time range. With this configuration, work videos of multiple workers who are assumed to be related to the defect in board manufacturing work are displayed, allowing the operator to more reliably confirm the work of the workers related to the defect in board manufacturing work.

In the above-mentioned board work system, in which the control device is configured to control the search for candidate videos of workers' work based on a predetermined time range, the control device is preferably configured to control the setting of the playback start position of the work video based on the time when the worker performs an operation on the board work device to enable the worker to perform work on the board work device. This configuration makes it possible to automatically set the playback start position of the work video to the worker's work start position within the predetermined time range, further reducing the complexity of the control device operator's task of reviewing the work video.

In the circuit board work system according to the first aspect, the video capture unit preferably includes a wearable device that can be worn by the worker. This configuration allows the device to move with the worker and capture video of the worker's work, thereby reducing the number of cameras required to capture video of the worker's work.

In the circuit board work system according to the first aspect, the video capture unit is preferably configured to continuously capture video of the worker's work at a low frame rate while the worker is working, and further includes a storage unit that stores the work video captured at the low frame rate. This configuration allows the amount of data for the work video stored in the storage unit to be relatively small, thereby preventing an increase in the storage capacity required to store the work video in the storage unit.

In a board work system where the control device is configured to control searching for candidate work videos of workers who worked on a board work device that performed board work on a board on which a defect in the board manufacturing work was detected before the defect occurred, the control device preferably further includes an imaging unit, and the control device is configured to control the display unit to display a defect information confirmation screen that includes the board identification information of the board on which the defect in the board manufacturing work was detected, the time of the defect, a defective image from among the images captured by the imaging unit in which the defect in the board manufacturing work was detected, and a playable work video. With this configuration, the operator of the control device can check the board identification information, the time of the defect occurrence, the defective image, and the work video by checking the defect information confirmation screen displayed on the display unit, thereby efficiently confirming defects in the board manufacturing work.

A defect information display method in a third aspect of the present invention includes a step of searching for candidate work videos of a worker related to a defect in board manufacturing work detected on a board work device from among work videos taken by a video capture unit of a worker performing work related to board manufacturing on a board work device configured to perform board manufacturing work to manufacture boards having components mounted thereon, and a step of displaying the searched candidate work videos on a display unit in a state where they can be played back from the time the worker performed an operation on the board work device .

In the defect information display method according to a third aspect of the present invention, a step of displaying the candidate work videos on the display unit in a reproducible state as described above is provided. This allows the operator operating the control device to easily check the work of the worker related to the defect in the board manufacturing work by playing back the work videos, thereby providing a defect information display method that makes it possible to easily check whether a defect occurring in the board manufacturing device is a defect caused by the worker's work.

As described above, the present invention makes it easy to determine whether a defect occurring in a board processing device is due to the work of the operator.

1 is a schematic diagram of a board working system according to an embodiment; FIG. 2 is a block diagram showing the configuration of a printing device of the board working system according to the embodiment. 1 is a block diagram showing a configuration of a component mounting device of a board working system according to an embodiment of the present invention; FIG. 2 is a block diagram showing the configuration of a first inspection device of the board working system according to the embodiment. FIG. 2 is a block diagram showing the configuration of a second inspection device of the board working system according to the embodiment. FIG. 2 is a block diagram showing the configuration of a management server of the board working system according to the embodiment. FIG. 2 is a block diagram showing a configuration of a client terminal of the board working system according to the embodiment. FIG. 1 is a block diagram showing the configuration of smart glasses of a board working system according to an embodiment. 10 is a schematic diagram showing a state in which a defect information confirmation screen is displayed on a display unit of a client terminal of the board working system according to an embodiment; FIG. FIG. 10 is a schematic diagram showing a defect information confirmation screen of the board working system according to the embodiment; 10 is a schematic diagram showing a state in which a work video is played on a defect information confirmation screen of the board work system of the embodiment; FIG. 10 is a flowchart of a defect information display process performed in a client terminal of a board working system according to an embodiment.

The following describes an embodiment of the present invention with reference to the drawings.

The configuration of a board working system 100 according to an embodiment of the present invention will be described with reference to Figures 1 to 12.

(Configuration of the circuit board work system)
As shown in FIG. 1, the board processing system 100 is a system for mounting components E (electronic components) such as ICs, transistors, capacitors, and resistors onto a printed circuit board or the like to manufacture a board P on which the components E are mounted.

The board work system 100 includes a printing device 1, a component mounting device 2, a first inspection device 3, a reflow oven 4, a second inspection device 5, a management server 6, a client terminal 7, and smart glasses 8. Each of the printing device 1, component mounting device 2, first inspection device 3, reflow oven 4, and second inspection device 5 is an example of a "board work device" as defined in the claims. The client terminal 7 is an example of a "control device" as defined in the claims. The smart glasses 8 are an example of a "video capture unit" as defined in the claims.

(Printing device)
1 and 2 , the printing apparatus 1 is an apparatus that performs a printing operation of screen-printing solder on a printed circuit board as a board manufacturing operation for producing a board P on which components E are mounted. The printing apparatus 1 includes a screen mask 11, a squeegee 12, a mask imaging unit 13, a print inspection imaging unit 14, a communication unit 15, a CPU (Central Processing Unit) 16, and a memory unit 17. Each of the mask imaging unit 13 and the print inspection imaging unit 14 is an example of an "imaging unit" in the claims.

The squeegee 12 is configured to spread the solder placed on the screen mask 11 pressed against the printed circuit board. This causes the specified pattern of solder to be printed (transferred) onto the printed circuit board.

The mask imaging unit 13 is configured to capture an image of the screen mask 11. In the printing device 1, the screen mask 11 is inspected based on the captured image of the screen mask 11. This makes it possible to detect, for example, clogging of the screen mask 11.

The print inspection imaging unit 14 is configured to capture an image of the printed circuit board after printing on which solder has been printed. The printing device 1 inspects the solder on the printed circuit board based on the image of the printed circuit board after printing. This makes it possible to inspect, for example, for solder bleeding, fading, and misalignment on the printed circuit board. The printing device 1 also determines whether the solder on the printed circuit board is good or bad based on the inspection results of the solder on the printed circuit board. An image that is determined to be bad is a defective image. In this case, the printing work as part of the board manufacturing process is determined to be bad.

The communication unit 15 is configured to communicate with devices other than the printing device 1 (the component mounting device 2, the first inspection device 3, the reflow oven 4, the second inspection device 5, and the management server 6).

The memory unit 17 stores the captured images captured by the mask imaging unit 13 and the captured images captured by the print inspection imaging unit 14 as image data.

(Component mounting device)
1 and 3, the component mounting device 2 is an apparatus that performs mounting work of mounting components E on a printed circuit board on which solder is printed, as a board manufacturing work for manufacturing a board P on which components E are mounted. The component mounting device 2 includes a mounting head 21, a component imaging unit 22, a board imaging unit 23, a communication unit 24, a CPU 25, and a storage unit 26. Each of the component imaging unit 22 and the board imaging unit 23 is an example of an "imaging unit" in the claims.

The mounting head 21 is configured so that a nozzle that picks up component E when mounting the component E on the substrate P can be attached in a detachable manner.

The component imaging unit 22 is configured to capture an image of the component E picked up by the nozzle of the mounting head 21 from below. The component mounting device 2 is configured to inspect the component E picked up by the nozzle of the mounting head 21 based on the image captured by the component imaging unit 22. This makes it possible to inspect, for example, the pickup state of the component E as viewed from below, the amount of positional deviation of the component E from the nozzle center, and the size (depth and width) of the component E. Furthermore, the component mounting device 2 determines whether the component E picked up by the nozzle of the mounting head 21 is good or bad based on the inspection results of the component E picked up by the nozzle of the mounting head 21. An image that is determined to be bad is a defective image. In this case, the pickup operation as part of the board manufacturing process is determined to be bad.

The board imaging unit 23 is configured to capture an image of an FI mark (fiducial mark, not shown) attached to the top surface of the printed circuit board prior to mounting component E on the printed circuit board. The FI mark is a mark used to inspect the position of the printed circuit board. The component mounting device 2 is configured to inspect the position of the printed circuit board based on the image captured by the board imaging unit 23. This makes it possible to inspect, for example, misalignment of the printed circuit board in the board transport direction. The component mounting device 2 also determines whether the position of the printed circuit board is good or bad based on the inspection results of the FI mark. An image that is determined to be bad is a defective image. In this case, the transport operation as part of the board manufacturing process is determined to be bad.

The communication unit 24 is configured to communicate with devices other than the component mounting device 2 (the printing device 1, the first inspection device 3, the reflow oven 4, the second inspection device 5, and the management server 6).

The storage unit 26 stores the captured images taken by the component imaging unit 22 and the captured images taken by the board imaging unit 23 as image data.

(First inspection device)
1 and 4, the first inspection device 3 is a device that performs a pre-reflow inspection of components E on a substrate P after a mounting operation on the substrate P on which the components E are mounted, as part of a substrate manufacturing operation for manufacturing a substrate P on which the components E are mounted. The first inspection device 3 includes an inspection imaging unit 31, a communication unit 32, a CPU 33, and a storage unit 34. The inspection imaging unit 31 is an example of the "imaging unit" in the claims.

The inspection imaging unit 31 is configured to capture an image of component E on the printed circuit board after the mounting work on which component E has been mounted. The first inspection device 3 is configured to inspect component E on the printed circuit board based on the captured image of component E on the printed circuit board after the mounting work. This makes it possible to inspect, for example, for insufficient solder on the printed circuit board, the amount of misalignment of component E, and floating of component E. Furthermore, the first inspection device 3 determines whether component E on the printed circuit board is good or bad based on the inspection results of component E on the printed circuit board. An image that is determined to be bad is a defective image. In this case, the mounting work as part of the board manufacturing work is determined to be bad.

The communication unit 32 is configured to communicate with devices other than the first inspection device 3 (the printing device 1, the component mounting device 2, the reflow oven 4, the second inspection device 5, and the management server 6).

The memory unit 34 stores the images captured by the inspection imaging unit 31 as image data.

(reflow oven)
1 , the reflow furnace 4 performs a reflow operation to melt and solidify solder printed on the printed circuit board to join the components E to the printed circuit board as a board manufacturing operation for manufacturing a board P on which the components E are mounted. Although not shown, the communication unit 52 of the reflow furnace 4 includes a communication unit capable of communicating with other devices other than the reflow furnace 4 (the printing device 1, the component mounting device 2, the first inspection device 3, the second inspection device 5, and the management server 6).

(Second inspection device)
1 and 5, the second inspection device 5 is a device that performs post-reflow inspection of components E on a printed circuit board after a reflow process as part of a board manufacturing process for manufacturing a board P on which components E are mounted. The second inspection device 5 includes an inspection imaging unit 51, a communication unit 52, a CPU 53, and a storage unit 54. The inspection imaging unit 51 is an example of the "imaging unit" in the claims.

The inspection imaging unit 51 is configured to capture an image of component E on the printed circuit board after the mounting operation on which component E has been mounted. The second inspection device 5 is configured to inspect component E on the printed circuit board based on the captured image of component E on the printed circuit board after the reflow operation. This makes it possible to inspect, for example, for insufficient solder on the printed circuit board, the amount of misalignment of component E, and floating of component E. The second inspection device 5 also determines whether component E on the printed circuit board is good or bad based on the inspection results of component E on the printed circuit board. An image determined to be bad is a defective image. In this case, at least one of the printing operation, mounting operation, and reflow operation as part of the board manufacturing operation has been determined to be bad.

The communication unit 52 is configured to communicate with devices other than the second inspection device 5 (the printing device 1, the component mounting device 2, the first inspection device 3, the reflow furnace 4, and the management server 6).

The memory unit 54 stores the images captured by the inspection imaging unit 51 as image data.

(Management Server)
As shown in FIGS. 1 and 6 , the management server 6 is a control device that manages information related to the mounting line in which the printing device 1, the component mounting device 2, the first inspection device 3, the reflow oven 4, and the second inspection device 5 are arranged in a straight line. The management server 6 includes a communication unit 61, a CPU 62, a storage unit 63, and the like. The communication unit 61 is configured to communicate with the printing device 1, the component mounting device 2, the first inspection device 3, the reflow oven 4, the second inspection device 5, the client terminal 7, and the smart glasses 8. The storage unit 63 stores a data management program that manages data related to mounting on the mounting line. The storage unit 63 also stores an apparatus database Db that stores information such as captured images of the printing device 1, the component mounting device 2, the first inspection device 3, the reflow oven 4, and the second inspection device 5, as well as a work video Mv captured by the video camera 81.

(Client terminal)
As shown in FIGS. 1 and 7 , the client terminal 7 is a terminal such as a stationary personal computer operated by the worker W. The client terminal 7 includes a display unit 71, a communication unit 72, a CPU 73, and a memory unit 74. The display unit 71 is configured to display information transmitted from the management server 6 on the screen. The communication unit 72 is configured to communicate with the management server 6. The memory unit 74 stores a defect information confirmation program Pr that causes the display unit 71 to display a defect information confirmation screen Gc containing information regarding defects detected by the printing device 1, the component mounting device 2, the first inspection device 3, and the second inspection device 5. The defect information confirmation program Pr will be described in detail later.

(Smart glasses)
1 and 8 , the smart glasses 8 are head-mounted wearable terminals that can be worn by the worker W. The smart glasses 8 include a video camera 81, a communication unit 82, a CPU 83, and a storage unit 84.

The smart glasses 8 are configured to capture the same viewpoint as the worker W. This allows the smart glasses 8 to capture images of the area around the worker W's hands. The smart glasses 8 are configured to capture images of the worker W's work while the worker W is performing work related to the manufacture of the board P using the printing device 1, the component mounting device 2, etc. The work of the worker W includes a supply operation to supply a screen mask 11 to the printing device 1, a supply operation to supply a reel containing components E to the component mounting device 2, an unloading operation to unload an empty reel from the component mounting device 2, and an adjustment operation to open the covers of devices such as the printing device 1 and the component mounting device 2 and adjust the internal configuration of the device.

Here, when worker W performs work on the printing device 1, component mounting device 2, first inspection device 3, and second inspection device 5, he or she must perform operations on the devices on which he or she will be working to enable the work. That is, before performing work, worker W performs an operation on the device on which he or she will be working by inputting worker W's identification (ID) and the password associated with the identification ID, which were previously registered in the management server 6. If the registered identification ID and password match, the management server 6 is configured to control the device on which he or she will be working to send a signal to the device on which he or she will be working that authorizes worker W to work on the device. The device on which he or she will be working is configured to unlock the device upon receiving the signal authorizing worker W to work. This allows worker W to work on the device. This operation is an authentication operation. During this authentication operation, the management server 6 is configured to control the recording of the date and time based on the match between the registered identification ID and password.

The video camera 81 is a camera for capturing video Mv of worker W's work. The video camera 81 is configured to continuously capture video of worker W's work at a low frame rate while worker W is working. A low frame rate refers to a frame rate of approximately 2 to 3 fps. The video camera 81 is configured to capture the work of worker W in the form of a video. The communication unit 82 is configured to transmit the work video Mv captured by the video camera 81 to the management server 6 while worker W is performing work related to the manufacture of board P using the printing device 1, component mounting device 2, etc. As a result, the work video Mv captured at the low frame rate is stored in the memory unit 63 of the management server 6. The memory unit 84 stores a program for capturing video.

(Defect information confirmation program)
9 and 10 , the client terminal 7 of this embodiment is configured to control the display of the work video Mv on the display unit 71 in a playable state based on an operator's operation on the defect information confirmation screen Gc, which is displayed on the display unit 71 based on the defect information confirmation program Pr. The playable state of the work video Mv means that the work video Mv is displayed on the defect information confirmation screen Gc in a state in which it is played based on the operator's operation to start playback. In FIG. 10 , the operator's operation to start playback is an operation in which the operator clicks on a horizontal black triangle.

As shown in FIG. 10, the client terminal 7 is configured to control the display of a defect information confirmation screen Gc on the display unit 71, which includes the defect occurrence time Tm, the board identification information Sb of the board P in which a defect in the board manufacturing work was detected, the defective image in which a defect in the board manufacturing work was detected from among the captured images described above, and a work video Mv in a playable state.

First, the client terminal 7 is configured to control the display on the defect information confirmation screen Gc of the defect occurrence time Tm, and the board identification information Sb and line identification information Li associated with the defect occurrence time Tm, which are pre-registered in the equipment database Db. The client terminal 7 is configured to control the acquisition of defect images associated with the defect occurrence time Tm and playable work videos Mv, based on the operation of the operator of the client terminal 7 to select the defect occurrence time Tm. Here, the defect images and work videos Mv are pre-registered in the equipment database Db. Furthermore, the board manufacturing work includes the printing work, mounting work, pre-reflow inspection work, reflow work, and post-reflow inspection work described above.

Figure 10 shows, as an example, a case in which printing device 1 detects a lack of solder at a specific mounting position on a printed circuit board, but component mounting device 2, first inspection device 3, and second inspection device 5 each perform board manufacturing work to produce board P. The content displayed in Figure 10 is explained below.

The defect occurrence time Tm is displayed on the defect information confirmation screen Gc not only as a date but also as an hour and minute. The board identification information Sb on the defect information confirmation screen Gc displays the number of the board P to be manufactured, which has been registered in advance on the management server 6. The line identification information Li on the defect information confirmation screen Gc displays the number of the above-mentioned mounting line, which has been registered in advance on the management server 6.

In Figure 10, as examples of defect images, the defect information confirmation screen Gc displays a defect image G1 captured by the component imaging unit 22, a defect image G2 captured by the inspection imaging unit 31 of the first inspection device 3, and a defect image G3 captured by the second inspection device 5.

In addition, on the defect information confirmation screen Gc, a work video Mv1 of worker W (referred to as the first worker in Figure 10, hereinafter referred to as the first worker W1) who was working on the printing device 1 is displayed in a playable format.

Furthermore, below the work video Mv1, a thumbnail image Sa1 of the work video Mv1 of the first worker W1 is displayed. The thumbnail image Sa1 is displayed for each date and time when the worker W performed the authentication operation on the device where the work was being performed in the work video Mv1. The "▼" displayed in FIG. 10 indicates the playback start position of the work video Mv1. Furthermore, the thumbnail image Sa1 selected by the operator is shown covered with hatching. As a result, when the operator clicks on the horizontal black triangle, the work video Mv1 is played from the playback start position described above.

Furthermore, below the work video Mv1, thumbnail images Sa2 of the work video Mv of worker W (referred to as the second worker in FIG. 10, hereinafter referred to as second worker W2), who was working on the printing device 1 shortly before the first worker W1, are displayed. In the work video Mv of second worker W2, thumbnail images Sa2 are displayed for each date and time when worker W performed the authentication operation on the device on which he was working.

In this way, the client terminal 7 is configured to search for information registered in the equipment database Db based on the defect information confirmation program Pr and control the acquisition of work videos Mv in order to confirm the work of the above-mentioned worker W. That is, the client terminal 7 is configured to search for candidate work videos Mv of worker W related to defects in board manufacturing work detected in the board work apparatus based on the defect information confirmation program Pr and control the acquisition of the searched candidate work videos Mv in order to confirm the work of the above-mentioned worker W. The board work apparatus includes the printing apparatus 1, component mounting apparatus 2, first inspection apparatus 3, reflow furnace 4, and second inspection apparatus 5 described above. In FIG. 10, work videos Mv1 of first worker W1 and work videos Mv of second worker W2 have been acquired.

Specifically, the client terminal 7 is configured to control a search for candidate work videos Mv of worker W who worked on the board manufacturing device that performed board manufacturing work on the board P on which the defect in the board manufacturing work was detected prior to the defect occurrence time Tm, based on the defect occurrence time Tm at which the defect in the board manufacturing work occurred. In the example shown in FIG. 10, the client terminal 7 searches for candidate work videos Mv of worker W who worked on the printing device 1 on which the defect in the printing work occurred prior to the defect occurrence time Tm, based on the defect occurrence time Tm at which the defect in the printing work occurred.

The client terminal 7 is configured to control a search for candidate work videos Mv of a worker W who worked on the board manufacturing device that performed the board manufacturing work on the board P where a defect in the board manufacturing work was detected, based on a predetermined range of time between the time a predetermined time (e.g., 30 minutes) prior to the defect occurrence time Tm and the defect occurrence time Tm. In the example shown in FIG. 10, the client terminal 7 is configured to control a search for candidate work videos Mv of a first worker W1 and a second worker W2 who worked on the printing device 1 where a defect in the printing work occurred, based on a predetermined range of time between the time a predetermined time prior to the defect occurrence time Tm and the defect occurrence time Tm.

In this way, the client terminal 7 is configured to perform control to search for the work videos Mv of each of the multiple workers W as candidates when there are multiple workers W working on the board work device that performed the board manufacturing work on the board P on which a defect in the board manufacturing work was detected within a specified time range. In the example shown in Figure 10, the work videos Mv of the first worker W1 and the second worker W2 are searched for as candidates. In addition, the work video Mv1 of the first worker W1 is displayed so that it can be played.

The client terminal 7 is configured to control the setting of the playback start position of the work video Mv based on the time when the worker W performs an operation on the board work device to enable the worker W to perform work on the board work device. In the example shown in FIG. 10, the set playback start positions of the work video Mv1 of the first worker W1 and the set playback start positions of the work video Mv of the second worker W2 are each displayed with a "▼". The set playback start position of the work video Mv1 of the first worker W1 is the time when the first worker W1 performed the authentication operation on the printing device 1. Furthermore, the set playback start position of the work video Mv of the second worker W2 is the time when the second worker W2 performed the authentication operation on the printing device 1.

The client terminal 7 is configured to control playback of the work video Mv from the playback start position based on receiving an operation to start playback from the operator.

As a result, as shown in an example in Figure 11, a scene from the work video Mv1 is displayed that shows the first worker W1 touching part of the predetermined pattern on the screen mask 11. This allows the operator to determine that the printing work defect shown as an example in Figure 10 was caused by the first worker W1 accidentally touching the screen mask 11. As another example, if a scene from the work video Mv1 is displayed that shows the first worker W1 repeatedly opening and closing the door of the printing device 1, the operator can determine that the printing work defect was caused by foreign matter entering the printing device 1 due to the first worker W1 repeatedly opening and closing the door.

(Defect information display processing)
Referring to FIG. 12, a defect information display process for displaying the work video Mv on the display unit 71 of the client terminal 7 in a playable manner based on the defect information confirmation program Pr will be described below.

In step S1, the defect information confirmation screen Gc is displayed on the display unit 71 based on the operator's operation to execute the defect information confirmation program Pr. At this time, the defect information confirmation screen Gc displays multiple defect occurrence times Tm, as well as board identification information Sb and line identification information Li corresponding to each of the multiple defect occurrence times Tm. In step S2, it is determined whether the operator has selected one of the multiple defect occurrence times Tm. If the operator has selected one, the process proceeds to step S3; if the operator has not selected one, step S2 is repeated. In step S3, a defect image related to the defect of the selected defect occurrence time Tm is searched for and displayed on the defect information confirmation screen Gc. In other words, the client terminal 7 obtains the defect image by searching information registered in the device database Db of the management server 6.

In step S4, candidate work videos Mv related to the defect at the selected defect occurrence time Tm are searched for and displayed on the defect information confirmation screen Gc. That is, the client terminal 7 searches for information registered in the equipment database Db of the management server 6 to obtain work videos Mv related to the defect. In this way, step S4 is a step of searching for candidate work videos Mv of the worker W related to the defect in the board manufacturing work detected on the board working device from among the work videos Mv captured by the smart glasses 8 of the worker W performing work related to the manufacture of the board P on the board working device configured to perform the board manufacturing work. Furthermore, step S4 is a step of displaying the searched candidate work videos Mv on the display unit 71 in a playable state. After step S4, the defect information display process ends.

(Effects of the embodiment)
In this embodiment, the following effects can be obtained.

In this embodiment, as described above, the board work system 100 includes a client terminal 7 configured to control the display of the acquired work video Mv on the display unit 71 in a playable state. As a result, by playing back the work video Mv, the operator operating the client terminal 7 can easily check the work of worker W related to defects in the board manufacturing work, and can easily check whether a defect that occurred in the board work device is caused by the work of worker W.

Furthermore, in this embodiment, as described above, the client terminal 7 is configured to control the search for candidate work videos Mv of the worker W who was working on the board work device that performed the board manufacturing work on the board P on which the defect in the board manufacturing work was detected, based on the defect occurrence time Tm when the defect in the board manufacturing work occurred. This makes it possible to minimize candidate work videos Mv that are assumed to be related to the defect in the board manufacturing work, even when a large number of work videos Mv are stored, thereby preventing the operator of the client terminal 7 from having to review the work videos Mv from becoming cumbersome.

Furthermore, in this embodiment, as described above, the client terminal 7 is configured to control the search for candidate work videos Mv of worker W who was working on the board work device that performed the board work on the board on which a defect in the board manufacturing work was detected, based on a predetermined time range between the time a predetermined time before the defect occurrence time Tm and the defect occurrence time Tm. This further reduces the number of candidate work videos Mv that are thought to be related to the defect in the board manufacturing work, thereby further preventing the operator of the client terminal 7 from having to review the work videos Mv from becoming complicated.

Furthermore, in this embodiment, as described above, the client terminal 7 is configured to control the search for each of the work videos Mv of the multiple workers W as candidates when there are multiple workers W working on the board work device that performed the board manufacturing work on the board P on which a defect in the board manufacturing work was detected within a specified time range. This displays the work videos Mv of the multiple workers W who are assumed to be related to the defect in the board manufacturing work, allowing the operator to more reliably confirm the work of the workers W related to the defect in the board manufacturing work.

Furthermore, in this embodiment, as described above, the client terminal 7 is configured to control the setting of the playback start position of the work video Mv based on the time when the worker W performs an operation on the board work device to enable the worker W to perform work on the board work device. This allows the playback start position of the work video Mv to be automatically set to the work start position of the worker W within a predetermined time range, further reducing the complexity of the operator of the client terminal 7's work of checking the work video Mv.

Furthermore, in this embodiment, as described above, the smart glasses 8 are wearable devices configured to be worn by the worker W. This allows the smart glasses 8 to move around with the worker W and record video of the worker W's work, thereby reducing the number of cameras required to record video of the worker W's work.

Furthermore, in this embodiment, as described above, the smart glasses 8 are configured to continue recording video of the work of the worker W at a low frame rate while the worker W is working. The board work system 100 is equipped with a memory unit 63 that stores the work video Mv recorded at a low frame rate. This allows the data capacity of the work video Mv stored in the memory unit 63 to be relatively small, thereby preventing an increase in the storage capacity required to store the work video Mv in the memory unit 63.

Furthermore, in this embodiment, as described above, the board work system 100 includes imaging units (mask imaging unit 13, print inspection imaging unit 14, component imaging unit 22, board imaging unit 23, inspection imaging unit 31, and inspection imaging unit 51). The client terminal 7 is configured to control the display unit 71 to display a defect information confirmation screen Gc, which includes board identification information Sb of the board P on which a defect in the board manufacturing work has been detected, the defect occurrence time Tm, defective images G1, G2, and G3 from among the images captured by the imaging unit on which a defect in the board manufacturing work has been detected, and a playable work video Mv. As a result, by checking the defect information confirmation screen Gc displayed on the display unit 71, the operator of the client terminal 7 can confirm the board identification information Sb, the defect occurrence time Tm, the defective images G1, G2, and G3, and the work video Mv, thereby efficiently confirming defects in the board manufacturing work.

Furthermore, in this embodiment, as described above, the defect information display method includes step S4 of displaying the work video Mv searched for as a candidate on the display unit 71 in a playable state. As a result, by playing back the work video Mv, the operator operating the client terminal 7 can easily check the work of worker W related to defects in the board manufacturing work, thereby providing a defect information display method that makes it easy to check whether a defect that occurred in the board work device is a defect caused by the work of worker W.

[Modification]
It should be noted that the embodiments disclosed herein should be considered to be illustrative and not restrictive in all respects. The scope of the present invention is defined by the claims rather than the description of the above embodiments, and further includes all modifications (variations) within the meaning and scope equivalent to the claims.

For example, in the above embodiment, the smart glasses 8 are an example of the "video capture unit" in the claims, but the present invention is not limited to this. In the present invention, the video capture unit may not be a wearable device such as smart glasses, but may be a camera that is fixed to a building or device and captures video of the worker.

In addition, in the above embodiment, an example was shown in which the smart glasses 8 (video capture unit) captures video at a low frame rate, but the present invention is not limited to this. In the present invention, the video capture unit may capture video at a frame rate higher than the low frame rate.

In addition, in the above embodiment, the client terminal 7 (control device) is an example terminal such as a stationary personal computer operated by a worker, but the present invention is not limited to this. In the present invention, the control device may also be a mobile terminal carried by a worker.

In addition, in the above embodiment, an example was shown in which the work video Mv1 is placed below the defect images G1, G2, and G3 on the defect information confirmation screen Gc, but the present invention is not limited to this. In the present invention, the display unit may display a defect information confirmation screen including a work video and a defect information confirmation screen including defect images.

In the above embodiment, the client terminal 7 searches for candidate work videos Mv of worker W who worked on the printing device 1 where the printing defect occurred before the defect occurrence time Tm, based on the defect occurrence time Tm at which the printing defect occurred. However, the present invention is not limited to this. In the present invention, the client terminal may be configured to control the search for candidate work videos of workers who worked on the board manufacturing device that performed board manufacturing work on the board where the defect was detected before the defect occurrence time, based on the defect occurrence time at which the board manufacturing defect occurred. That is, as an example, if the first inspection device detects a defect in the mounting work, the devices that performed the board manufacturing work on the board are the printing device, the component mounting device, and the first inspection device. In this case, the client terminal searches for candidate work videos of workers who worked on the printing device, the component mounting device, and the first inspection device.

Furthermore, in the above embodiment, an example was shown in which two work videos Mv were searched as candidates, but the present invention is not limited to this. In the present invention, the number of work videos searched as candidates may be one, or three or more.

Furthermore, in the above embodiment, for the sake of convenience, an example was shown in which the control processing of the client terminal 7 (control device) was explained using a flow-driven flowchart in which processing is performed sequentially according to a processing flow, but the present invention is not limited to this. In the present invention, the control processing of the control device may be performed using event-driven processing in which processing is performed on an event-by-event basis. In this case, the control processing may be performed completely event-driven, or may be performed in a combination of event-driven and flow-driven processing.

1. Printing device (board work device)
2. Component mounting equipment (board work equipment)
3. First inspection device (board work device)
4. Reflow furnace (board processing equipment)
5. Second inspection device (board work device)
7. Client terminal (control device)
8 Smart glasses 13 Mask imaging unit (imaging unit)
14 Print inspection imaging unit (imaging unit)
22 Component imaging unit (imaging unit)
23 Substrate imaging unit (imaging unit)
31 Inspection imaging unit (imaging unit)
51 Inspection imaging unit (imaging unit)
63 Storage unit 71 Display unit 100 Board work system E Component G1, G2, G3 Defect image Gc Defect information confirmation screen Mv, Mv1 Work video P Board Sb Board identification information Tm Defect occurrence time W Worker W1 First worker (worker)
W2 Second worker (worker)

Claims (9)

a board working device configured to perform a board manufacturing operation for manufacturing a board on which components are mounted;
a video capture unit that captures video of a worker performing work related to the manufacture of the substrate using the substrate work device;
a control device that searches for candidates of the work videos of the worker related to the defect in the board manufacturing work detected by the board work device, and controls acquisition of the work videos searched as candidates;
a display unit,
The control device is configured to control the display of the work video, which is acquired in a reproducible state from the time the worker operates the board work device , on the display unit. a board working device configured to perform a board manufacturing operation for manufacturing a board on which components are mounted;
a video capture unit that captures video of a worker performing work related to the manufacture of the substrate using the substrate work device;
a control device that searches for candidates of the work videos of the worker related to the defect in the board manufacturing work detected by the board work device, and controls acquisition of the work videos searched as candidates;
a display unit,
the control device is configured to control the display of the acquired work video on the display unit in a reproducible state;
The control device is configured to control a search for candidate work videos of the workers who worked on the board work device that performed the board manufacturing work on the board in which the defect in the board manufacturing work was detected before the defect occurrence time, based on the defect occurrence time of the board manufacturing work. The board work system of claim 2, wherein the control device is configured to control a search for candidate work videos of the worker who performed the work using the board work device that performed the board manufacturing work on the board in which the defect was detected, based on a predetermined range of time between a time that is a predetermined time before the time the defect occurred and the time the defect occurred. The board work system of claim 3, wherein the control device is configured to control a search for the work videos of each of the multiple workers as candidates when multiple workers were working on the board work device that performed the board manufacturing work on the board in which a defect in the board manufacturing work was detected within the specified time range. The board work system of claim 3, wherein the control device is configured to control the setting of the playback start position of the work video based on the time when the worker performs an operation on the board work device to enable the worker to perform work on the board work device. The board working system according to claim 1 , wherein the video capture unit includes a wearable terminal configured to be wearable by the worker. the video capture unit is configured to continue capturing video of the work of the worker at a low frame rate while the worker is working,
3. The board working system according to claim 1, further comprising a storage unit that stores the working video captured at a low frame rate. further comprising an imaging unit;
3. The board work system of claim 2, wherein the control device is configured to control the display unit to display a defect information confirmation screen including board identification information of the board in which a defect in the board manufacturing work was detected, the time of the defect occurrence, a defective image in which a defect in the board manufacturing work was detected from among the images captured by the imaging unit, and the work video in a playable state. a step of searching for a candidate work video of a worker who performs work related to the manufacturing of a board using a board working device configured to perform board manufacturing work for manufacturing a board on which components are mounted, the candidate work video being taken by a video taking unit of the worker, the candidate work video being related to a defect in the board manufacturing work detected by the board working device;
A defect information display method comprising a step of displaying on a display unit the work video searched for as a candidate in a reproducible state from the time when the worker performed an operation on the board work device .