JP6814664B2 - card reader - Google Patents

Description

The present invention relates to a card reader provided in an entry / exit management system that reads information on a card medium and unlocks an electric lock.

In office buildings, etc., an entrance / exit management system using a card reader and an electric lock is installed. The entry / exit management system is installed to manage entry / exit of each conference room, for example, when a plurality of conference rooms are arranged side by side on the floor. In this case, a card reader is installed at each entrance of the conference room, and the card reader is connected to a local control panel installed on each floor of the building. In addition, the card reader is connected to an electric lock provided on the door of the conference room. The local control panel is connected to a center device installed in a security room or the like or a client device installed in a management department such as the general affairs department via a transmission line.

Users entering and exiting the conference room carry, for example, a non-contact IC card in which user identification information is registered. By holding the non-contact IC card over a card reader, the user identification information is read and sent to the local control panel. , The electric lock is unlocked when the collation with the user identification information registered in advance on the local control panel is obtained, and the door can be opened to enter and exit.

The card reader has a display unit in which an LED or the like emits light in order to indicate the locked / unlocked state of the door, the reading status of the non-contact IC card, and the like. As shown in Patent Document 1, the applicant of the present application has developed a card reader in which a display unit is arranged so as to surround the card reading unit. By arranging the display unit so as to surround the periphery of the card reading unit, it is possible to obtain a card reader having excellent visibility.

Japanese Patent Application No. 2016-40679

The card reader of Patent Document 1 accommodates a circuit board having an antenna coil, a light guide having the shape of a display unit, a capacitance switch sheet, and a transparent panel between the inner cover and the outer frame cover. There is. A transparent panel with a numeric keypad and switch symbols is exposed in front of the card reader.

The card reader has a switch for switching between the alert mode and the alert release mode as a capacitance switch, and may also have the function of a numeric keypad switch in the capacitance switch, if necessary. Even if the function of the numeric keypad switch is not required when installing the card reader, it may be required after installation. In this case, it is conceivable to replace the card reader, but the card reader having the capacitance switch sheet can add the function of the numeric keypad by rewriting the setting.

When the function of the numeric keypad switch is added to the transparent panel exposed on the front of the card reader, it is necessary to replace it with the transparent panel having the display. In the structure of the card reader of Patent Document 1, it is necessary to remove the outer frame cover from the inner cover in order to replace the transparent panel, which requires a lot of work.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a card reader capable of easily performing the change work even if the switch function of the card reader is changed.

In order to solve the above problems, the card reader according to the invention of claim 1 has a main body portion installed on the outer wall surface of the door locked and unlocked by an electric lock, and the main body portion is recorded on a card medium. A card reader that has a card reader on the front to read the information
The main body portion has a front case body having the card reading portion, and the front case body has a non-transmissive layer portion on the inner surface side of the main body portion and an outer surface side of the main body portion in the thickness direction. Has a translucent layer and
A light guide is arranged inside the main body.
The front case body is a transmissive portion in which at least a region facing the light guide is composed of only the translucent layer portion.
The surface of the front case body is characterized in that a display sheet having a surface transmissive portion having a translucent surface in a region facing the light guide is attached.

According to the invention of claim 1, the front case body has a two-layer structure of a non-transmissive layer portion and a translucent layer portion, and the region facing the light guide is a transmissive portion of only the translucent layer portion. Therefore, a display sheet having a transmissive portion in a region facing the light guide can be provided on the front side of the front case body without interfering with the light emission display by the light guide. Therefore, when the function of the switch by the capacitance switch sheet is changed, the display sheet can be replaced from the outer surface side of the front case body, and the main body portion does not need to be disassembled.

Further, in the card reader according to the second aspect of the present invention, the light guide is arranged along the outer circumference of the main body portion so as to surround the card reading portion, and the transmission portion includes a region facing the light guide and a region facing the light guide. It is characterized in that it is provided over the area on the inner peripheral side of the area.

According to the invention of claim 2, since the region inside the region of the front case body facing the light guide is also a transmissive portion, when the assembly worker attaches the display sheet, the inside of the main body is electrostatically charged. It is possible to visually confirm whether or not a predetermined part such as a capacity switch sheet is provided and the type of the part. Therefore, it is possible to confirm at a glance whether or not the display sheet and the parts inside the main body correspond to each other, and it is possible to prevent an error in assembly. Further, since the side of the light guide is formed by the non-transmissive layer portion, the light from the LED can be collected on the light guide without reflecting the light to the outside.

Further, the card reader according to the third aspect of the present invention is characterized in that the main body portion has a rear case body on the back side, and the rear case body and the front case body are integrated. Has been done.

According to the invention of claim 3, since the rear case body is embedded in the wall surface, the design can be improved by forming the surface of only the exposed front case body into a two-layer structure.

Further, the card reader according to the invention of claim 4 is characterized in that the display sheet is attached to the front case body by selecting one from a plurality of types having different ten-key display. ..

According to the invention of claim 4, the switch function can be easily changed by exchanging the display sheet.

Furthermore, the card reader according to the invention of claim 5 is characterized in that the display sheet is adhesively fixed to the surface of the front case body.

According to the invention of claim 5, the display sheet can be easily attached to and detached from the front case body.

According to the card reader according to the present invention, even if the switch function of the card reader is changed, the change operation can be easily performed. Further, since the front case body has a two-layer structure of a non-transmissive layer portion and a translucent layer portion, the front case body exposed on the front side can be made to look three-dimensional, and the design can be improved. Can be done.

It is a perspective view seen from the front side of the card reader of this embodiment. It is a front view of a card reader. It is an exploded perspective view of a card reader. It is a rear view of the front case body. It is a front view of the rear case body. It is a rear view of the rear case body. It is a vertical cross-sectional view of a state in which a front case body and a rear case body are integrated. It is a cross-sectional view of the state in which the front case body and the rear case body are integrated. It is a cross-sectional view on the left side of the center line in the AA cross section of FIG. It is a block diagram of the entrance / exit management system including a card reader. It is a front view of the display sheet of another form.

Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a perspective view of the card reader 1 of the present embodiment as viewed from the front side, FIG. 2 shows a front view of the card reader 1, and FIG. 3 shows an exploded perspective view of the card reader 1. .. The card reader 1 of the present embodiment has a case-shaped main body 10. The main body 10 has a card reading unit 20 that reads information on a card medium carried by the user in front of the main body 10.

The main body 10 is formed by integrating the front case body 11 on the front side and the rear case body 12 on the back side, and providing a display sheet 54 on the front surface of the front case body 11. The rear case body 12 is attached to the wall surface of the building. The front case body 11 has a card reading unit 20 which is a portion over which the card medium is held, and a translucent front display unit 22 provided so as to surround the card reading unit 20 in front of the card reading unit 20. When the card reader 1 is attached to the wall surface of the building, the front case body 11 of the main body 10 is exposed, and the rear case body 12 is embedded in the wall surface.

Around the card reading unit 20, substantially U-shaped front display units 22 are provided on the upper and lower sides, respectively. The display sheet 54 has a translucent region in the shape of the front display portion 22, and the light guide 52 arranged so as to face the region and the light guide 52 inside the main body portion 10. An LED that emits light is provided. The front display unit 22 displays the locked state of the electric lock, the reading state of the card medium, and the like by the color and the lighting / blinking state.

Side display portions 21 are provided on both upper sides of the front case body 11. The side display unit 21 has LEDs corresponding to the respective LEDs, and the display by light emission can be visually recognized from the front direction or the side direction of the card reader 1. The LED of the side display unit 21 has LEDs of three primary colors, and any color can be generated by the combination thereof. The side display unit 21 displays the status display and alarm of the card reader 1 such as the alert mode and the alert release mode according to the color and the lighting / blinking state.

As shown in FIG. 3, the rear case body 12 has a box-shaped portion 12a opened on the front side so that a substrate or the like can be housed, and a mounting surface portion 12b formed so as to extend outward from the opening of the box-shaped portion 12a. And have. The front case body 11 has a front surface portion 11a having a card reading unit 20 and a side surface portion 11b extending from the edge portion to the back surface side over four circumferences. A recess 11c for accommodating the display sheet 54 is formed in the front surface portion 11a.

The circuit board 50, the light guide 52, and the capacitance switch sheet 53 are fixed to the back side of the front case body 11. In the circuit board 50, the RF board 50a and the CPU board 50b are stacked in two stages by spacers. An antenna coil 50c is arranged on the RF substrate 50a, and the information on the card medium can be read by the antenna coil 50c and the reading circuit mounted on the substrate. On the RF substrate 50a, an LED that is a light emitting body for displaying from the side display unit 21 of the main body 10 and an LED that emits light to the light guide 52 are arranged. Further, a Hall IC constituting a tamper switch is arranged on the CPU board 50b.

The light guide 52 is separated into upper and lower parts, and each has a substantially U-shaped shape. The light guide 52 has a shape corresponding to the front display portion 22 of the front case body 11 and is arranged so as to face the front display portion 22. Light from the LED arranged on the RF substrate 50a is incident on the light guide 52, and the light is diffused as a whole and emitted to the front side. Therefore, the light from the LED is evenly emitted from the entire front display unit 22. The front display unit 22 displays the locked state of the electric lock, the reading state of the card medium, and the like by the color and the lighting / blinking state.

A capacitance switch shown by a broken line is arranged on the capacitance switch sheet 53. The capacitance switch is either a warning setting switch 53a, a warning release switch 53b, or a numeric keypad switch 53c. By touching the portion of the card reading unit 20 of the front case body 11 facing each other with a fingertip, these capacitance switches change the capacitance without direct contact, and electrically detect this. It is a switch signal.

A thin sheet-shaped display sheet 54 is adhesively fixed to the recess 11c of the front case body 11. On the display sheet 54, the warning setting switch symbol 54a is located at a position corresponding to the warning setting switch 53a of the capacitance switch sheet 53, and the warning release switch symbol 54b is located at a position corresponding to the warning release switch 53b of the capacitance switch sheet 53. Are displayed respectively. A card reading symbol 54c is displayed in the center of the display sheet 54. Further, the display sheet 54 has a surface transmission portion 54d that becomes a front display portion 22 when attached to the front case body 11. The surface transmitting portion 54d is formed so as to face the light guide 52.

The front case body 11 and the rear case body 12 are fixed to the rear case body 12 by fixing screws 13 inserted from below. The fixed structure will be described below.

FIG. 4 shows a rear view of the front case body 11. As shown in this figure, a hook portion 32 is formed on the upper side on the back surface side of the front case body 11. The hook portion 32 is formed in a protruding shape that can be hooked on the upper side of the rear case body 12. Engagement claws 33 projecting inward are formed at the central portions of both sides of the front case body 11. The engaging claw portion 33 can engage with the rear case body 12.

A bottom recess 34 through which the fixing screw 13 can be inserted and fixed is formed in the lower portion of the front case body 11. The bottom recess 34 is concave from the lower surface of the front case body 11 and can accommodate the head 13a of the fixing screw 13 so as not to be exposed to the outside. The bottom of the bottom recess 34 is a fixing surface 34a to which the head portion 13a of the fixing screw 13 is fixed, and a screw insertion for inserting the fixing screw 13 in the attached state of the rear case body 12 into the fixing surface 34a. Part 34b is further formed.

FIG. 5 shows a front view of the rear case body 12, and FIG. 6 shows a rear view of the rear case body 12. As shown in FIG. 5, a screw holding portion 43 for holding the fixing screw 13 is formed in the lower portion of the rear case body 12. The screw holding portion 43 has a screw thread formed on the inner surface so that the screw portion of the fixing screw 13 can be screwed. A space is formed in the upper part of the screw holding portion 43, and the tip portion of the fixing screw 13 is arranged in this space. The tip of the fixing screw 13 is crushed after being inserted to form a large diameter portion 13b having a diameter larger than that of the screw holding portion 43. Therefore, the fixing screw 13 does not fall off from the rear case body 12.

As shown in FIG. 6, on the back side of the rear case body 12, a hook recess 41 on which the hook portion 32 of the front case body 11 can be hooked is formed on the upper side. Further, on both side surfaces of the rear case body 12, engaging recesses 42 to which the engaging claws 33 of the front case body 11 can be engaged are formed.

FIG. 7 shows a vertical cross-sectional view of the front case body 11 and the rear case body 12 in an integrated state. As shown in this figure, the hooking portion 32 of the front case body 11 is hooked and engaged with the hooking recess 41 of the rear case body 12 from above. Further, in the fixing screw 13, the head portion 13a is pressed against the fixing surface 34a of the front case body 11 to fix the front case body 11 and the rear case body 12.

The hook portion 32 of the front case body 11 has a thick cross-sectional shape. When the front case body 11 and the rear case body 12 are integrated, a large force is applied to the hook portion 32, but since the hook portion 32 has a thickness, it can be prevented from being damaged. ..

Further, the hook portion 32 has a rectangular cross section having the same thickness on the root side and a trapezoidal cross section on the tip side in which the thickness gradually decreases. Therefore, the hook portion 32 has an inclined surface 32a at the tip end portion. The hooking recess 41 of the rear case body 12 has an inclined fixing surface 41a on which the inclined surface 32a of the hooking portion 32 abuts. The inclined surface 32a of the hooking portion 32 and the fixed surface 41a of the hooking recess 41 have the same angle.

FIG. 8 shows a cross-sectional view of the front case body 11 and the rear case body 12 in an integrated state. As shown in this figure, the engaging claw portion 33 of the front case body 11 is engaged from the outside with the engaging recess 42 of the rear case body 12.

When attaching the front case body 11 to the rear case body 12 mounted on the wall surface, first, the front case body 11 is placed in an inclined state with the lower side pulled toward the front side of the front case body 11. The hook portion 32 is hooked on the hook recess 41 of the rear case body 12 from diagonally above and forward. Then, the front case body 11 is rotated to engage the two. As described above, since the inclined surface 32a of the hooking portion 32 and the fixing surface 41a of the hooking recess 41 have the same angle, the front case body 11 is stopped at a predetermined angle when the front case body 11 is rotationally engaged with the rear case body 12. However, it is easy to install. At the same time as the rotational engagement of the front case body 11, the engaging claws 33 on both sides of the front case body 11 are engaged with the engaging recesses 42 of the rear case body 12, respectively. At this time, the fixing screw 13 provided on the rear case body 12 is inserted into the screw insertion portion 34b formed in the bottom recess 34 of the front case body 11. As a result, the front case body 11 is temporarily fixed to the rear case body 12, and the front case body 11 can be prevented from falling. Then, by tightening the fixing screw 13, the front case body 11 and the rear case body 12 can be firmly fixed.

When the fixing screw 13 is loosened in order to remove the front case body 11 from the rear case body 12, the tip portion of the fixing screw 13 is crushed to form a large diameter portion 13b, so that the fixing screw 13 is the rear case. It can be prevented from falling from the body 12.

As described above, the front case body 11 has the hooking portion 32 and the engaging claw portion 33, whereby the front case body 11 can be temporarily fixed before being screwed to the rear case body 12, so that the front case body 11 can be attached to the rear case. When fixing to the body 12, it is possible to prevent misalignment and dropping. In particular, since the circuit board 50, the capacitance switch sheet 53, and the like are attached to the front case body 11, the weight of the front case body 11 side is large, so that the front case body 11 is replaced with the rear case body 12. By being able to temporarily fix the two, it is possible to improve the ease of the work of integrating the two.

Further, in the locked state between the engaging claw portion 33 of the front case body 11 and the engaging recess 42 of the rear case body 12, the front case body 11 can move slightly with respect to the rear case body 12. It's loose. As a result, when the front case body 11 is removed from the rear case body 12, a tool can be inserted into the bottom of the front case body 11 or the like, and the removal work of the front case body 11 can be facilitated.

The two-layer structure of the front case body 11 will be described. FIG. 9 shows a cross-sectional view on the left side of the center line of the AA cross-sections of FIG. As shown in this figure, the front case body 11 has a non-transmissive layer portion 30 provided on the inner surface side from the side portion to the front edge portion, and a translucent layer portion 31 constituting the entire outer surface of the side portion and the front surface. And have. The non-transmissive layer portion 30 is a colored resin material and does not transmit light. On the other hand, the translucent layer portion 31 is a transparent resin material and transmits light. The front case body 11 is formed by two-color molding.

In the front case body 11, the region facing the light guide 52 and the region on the inner peripheral side of the light guide 52 are formed only by the light transmitting layer portion 31, and this portion transmits the light from the light guide 52. It is part 37. The portion of the front case body 11 other than the transmissive portion 37 does not transmit the light from the light guide 52 because of the non-transmissive layer portion 30.

As described above, the front case body 11 has a two-layer structure of the non-transmissive layer portion 30 and the translucent layer portion 31, and the region facing the light guide 52 is the transmissive portion 37 of only the translucent layer portion 31. As a result, the display sheet 54 can be provided on the front side of the front case body 11. As described above, in the display sheet 54, the region facing the light guide 52 is a surface transmitting portion 54d that transmits light, and light can be transmitted to the front side according to the shape of the light guide 52. ..

Further, since the region inside the region of the front case body 11 facing the light guide 52 is also the transmissive portion 37, when the assembly worker attaches the display sheet 54, the capacitance switch is inside the main body portion 10. It is possible to visually confirm whether or not the sheet 53 is provided and the type of the capacitance switch sheet 53. Therefore, it can be confirmed at a glance whether or not the display sheet 54 and the capacitance switch sheet 53 inside the main body 10 correspond to each other, and an error in assembly can be prevented. Further, since the side of the light guide 52 is formed by the non-transmissive layer portion 30, it is possible to collect the light from the LED on the light guide 52 without reflecting the light to the outside.

By providing the display sheet 54 on the front side of the front case body 11, when the function of the switch by the capacitance switch sheet 53 is changed, the display sheet 54 is provided from the outer surface side of the front case body 11. Can be replaced, and there is no need to disassemble the main body 10. Further, since the front case body 11 has a two-layer structure of the non-transmissive layer portion 30 and the translucent layer portion 31, the front case body 11 exposed to the front side can be shown three-dimensionally, and the design is good. Can be improved.

As shown in FIG. 3, the rear case body 12 is provided with an inner name plate portion 45 on which a model, serial number, and the like are described inside the box-shaped portion 12a. Further, the rear case body 12 is provided with an outer name plate portion 46 on which a model, serial number, and the like are written on the outer surface. The model, serial number, and the like are confirmed by the outer name plate portion 46 during manufacturing and transportation of the card reader 1 and until it is attached to the wall surface of the building. When the card reader 1 is attached to the wall surface, the rear case body 12 is embedded in the wall surface, so that the outer name plate portion 46 cannot be visually recognized. In this case, the model, serial number, and the like are confirmed by the inner name plate portion 45. By providing the inner name plate portion 45 and the outer name plate portion 46 on the rear case body 12 in this way, necessary information such as a model and a serial number can be confirmed before and after the installation of the card reader 1.

A magnet 56 is provided on the bottom of the box-shaped portion 12a of the rear case body 12 corresponding to the Hall IC provided on the CPU substrate 50b. The Hall IC and the magnet 56 constitute a tamper switch. In the normal state, the Hall IC detects the magnetic field of the magnet 56, and the tamper switch is off. When the front case body 11 is pried open by a suspicious person or the like and the distance between the Hall IC and the magnet 56 becomes large, the magnetic field of the magnet 56 is not detected by the Hall IC, and the tamper switch is turned on accordingly. .. When the tamper switch is turned on, the card reader 1 issues a predetermined alarm.

When the card reader 1 is installed, as described above, the front case body 11 is temporarily fixed to the rear case body 12 embedded and fixed to the wall surface, and then screwed and fixed by the fixing screws 13. .. At this time, the front case body 11 is correctly fixed at a predetermined position with respect to the rear case body 12, and the distance between the Hall IC on the front case body 11 side and the magnet 56 on the rear case body 12 side is within a normal range. Then, the side display unit 21 performs a predetermined display. This makes it possible to visually confirm that the front case body 11 is correctly fixed to the rear case body 12.

FIG. 10 shows a configuration diagram of an entry / exit management system including a card reader 1. As shown in this figure, in the entry / exit management system, a plurality of local control panels 41 are connected to the center device 40, and a plurality of card readers 1 are connected to the local control panel 41. An electric lock 42 is connected to each card reader 1. Further, a disaster prevention receiving board 45 constituting a disaster prevention system is also connected to the center device 40.

The card reader 1 reads the information on the card medium, collates it with the information registered in advance, and when the authentication is established, transmits the authentication establishment signal to the local control panel 41. When the local control panel 41 receives the signal of establishment of authentication, it transmits the information on entering and exiting the room to the center device 40 and controls the unlocking of the electric lock 42.

When the center device 40 receives the fire alarm information from the disaster prevention receiving panel 45, the center device 40 controls the light emission of the card reader 1 through the local control panel 41. When a fire breaks out, the side display unit 21 blinks a predetermined light emission, for example, red, when the fire breaks out. The predetermined light emission at the time of a fire is different from the light emission of the side display unit 21 at the normal time.

The card reader 1 can switch between a warning mode in which the electric lock 42 can be locked and unlocked by a card medium and a warning mode in which the electric lock 42 cannot be unlocked while the electric lock 42 is locked. The alert mode is set, for example, at night or on holidays when no one comes in or out. In the alert release mode, the card reader 1 constantly emits light from the front display unit 22. On the other hand, in the alert mode, the card reader 1 turns off the front display unit 22. As a result, power consumption can be suppressed.

The switch function of the capacitance switch sheet 53 can be changed as needed. FIG. 11 shows a front view of another form of the display sheet 55. The display sheet 54 shown in FIG. 3 displays the alert setting switch symbol 54a, the alert release switch symbol 54b, and the card reading symbol 54c, and the capacitance switch sheet 53 functions as the alert setting switch 53a and the alert release switch 53b. It is configured to do. In addition to this, the numeric keypad switch 53c of the capacitance switch sheet 53 can be configured to function. The numeric keypad switch 53c can be used for inputting a personal identification number or the like. In this case, the display sheet 55 shown in FIG. 11 is used.

A warning setting switch symbol 54a, a warning release switch symbol 54b, and a numeric keypad symbol 55c are displayed on the display sheet 55, and a surface transparent portion 55d is formed around the warning setting switch symbol 54a, and a numeric keypad symbol 55c. When the card reader 1 is installed and the numeric keypad switch 53c is set to be used, the display sheet 55 having the numeric keypad symbol 55c is attached to the card reading unit 20 of the main body 10 from the beginning. When the function of the numeric keypad switch 53c is added after the card reader 1 is installed, the setting of the card reader 1 is changed and the display sheet 54 having no numeric keypad symbol is replaced with the display sheet 55 having the numeric keypad symbol 55c. Be done. As described above, since the display sheet 54 can be replaced from the outer surface side of the front case body 11, the replacement work can be facilitated.

Although the embodiment of the present invention has been described above, the application of the present invention is not limited to the present embodiment and can be variously applied within the scope of the technical idea thereof.

1 Card reader 10 Main body 11 Front case body 12 Rear case body 13 Fixing screw 20 Card reading part 21 Side display part 22 Front display part 30 Non-transparent layer part 31 Translucent layer part 32 Hooking part 33 Engagement claw part 34 Bottom recess 37 Permeability section 40 Storage section 41 Hook recess 42 Engagement recess 43 Screw holding section 45 Inner name plate section 46 Outer name plate section 50 Circuit board 51 Light emitting section 52 Light guide 53 Capacitive switch sheet 54 Display sheet 56 Magnet 70 Center Equipment 71 Local control panel 72 Electric lock 75 Disaster prevention receiver

Claims (5)

A card reader having a main body portion installed on the outer wall surface of a door locked and unlocked by an electric lock, and the main body portion having a card reading unit for reading information recorded on a card medium on the front surface.
The main body portion has a front case body having the card reading portion, and the front case body has a non-transmissive layer portion on the inner surface side of the main body portion and an outer surface side of the main body portion in the thickness direction. Has a translucent layer and
A light guide is arranged inside the main body.
The front case body is a transmissive portion in which at least a region facing the light guide is composed of only the translucent layer portion.
A card reader characterized in that a display sheet having a surface transmissive portion having a translucent region facing the light guide is attached to the surface of the front case body. The light guide is arranged along the outer circumference of the main body portion so as to surround the card reading portion.
The card reader according to claim 1, wherein the transmission portion is provided over a region facing the light guide and a region on the inner peripheral side of the region. The card reader according to claim 1 or 2, wherein the main body has a rear case body on the back side, and the rear case body and the front case body are integrated. The card reader according to any one of claims 1 to 3, wherein one of the display sheets is selected from a plurality of types having different ten-key display and is attached to the front case body. The card reader according to any one of claims 1 to 4, wherein the display sheet is adhesively fixed to the surface of the front case body.

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