JP7410671B2 - Receiving machine - Google Patents

Description

The present invention relates to a receiver.

Conventionally, when a fire occurs in a building or site, in order to make the central control room aware of the fact that the fire has occurred and the location of the fire, detection signals received from fire detectors, etc. A receiver (display device) is installed that has a display portion that emits light from a light source placed at a position corresponding to the location where a fire or the like has occurred. Such a receiver, for example, as shown in Patent Document 1, can receive signals detected by sensors, etc. of predetermined events that occur in buildings, grounds, etc., as well as the operating status of smoke prevention equipment, etc. that are activated accordingly. Some devices are known that include a display device that causes an LED to emit light in response to a transmitted signal.

Patent Document 1 discloses that by projecting LED light onto a predetermined position on a display figure that includes a plurality of compartments and text information (target compartments and locations of sensors, smoke prevention equipment, etc.), It describes the display device of the receiver that shows the occurrence of an event, the location where the event occurred, the operating status of equipment, etc. The LED is fixed with an adhesive sheet and its position can be easily changed. The direction and range of the LED light is controlled using a light-shielding tube, a light guide panel shaped to match the shape of the display figure, a reflective film, a reflective tape, etc., and the light is projected onto the corresponding position on the display figure. There is.

In such a receiver, a display sheet displaying a zoning map (map) can be replaced from the back side of the display section of the display device, and the display sheet is a transparent sheet with multiple LEDs pasted and fixed with an adhesive sheet. It is placed in a state where it is pressed against the front side by the light source panel.

Patent No. 4929063

However, conventional receivers have the following problems.
That is, in the display device of a conventional receiver, the display sheet can be replaced from the back side of the display section of the display device. For example, even if a part of the parcel map written on the display sheet is to be modified or changed, the display sheet must be replaced. In such a case, since the LEDs are pasted on the transparent light source panel on the back side of the display sheet, it is efficient to use the light source panel with the LED fixed in a predetermined position as is. It is. However, if the display sheet is disposed at a position shifted from the light source panel, a problem arises in that the LEDs cannot emit light at a predetermined position where the projection is desired on the block diagram written on the display sheet.
Therefore, when replacing the display sheet, it takes time and effort to accurately position the display sheet at a predetermined position relative to the light source panel, reducing work efficiency, and there is room for improvement in this respect.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a receiver that can easily and accurately position a display sheet, and that can efficiently replace the display sheet. purpose.

In order to achieve the above object, the receiver according to the present invention projects light from a light source emitted by a signal that detects a predetermined event that has occurred in a building or site onto a predetermined position on a zoning diagram. and a receiver comprising a display sheet on the surface of the casing for presenting the location where the event has occurred, the display sheet displaying the division map, and a light source panel holding the display sheet on the front side. , the light source is arranged on the back side of the light source panel to project a predetermined position of the division map from the back surface, and the display sheet is positioned on the light source panel at a predetermined mounting position when viewed from the front and back directions. It is characterized by having an alignment part formed at a position corresponding to.

In the present invention, when replacing the display sheet, by aligning the display sheet with the positioning portion of the light source panel, it is possible to easily and accurately position the display sheet in the left and right directions when viewed from the front and back directions. Thereby, the display sheet can be positioned at a predetermined mounting position on the front surface side of the light source panel, and the display sheet can be prevented from being disposed at a position shifted from the light source panel.
Therefore, in the present invention, the predetermined position that is desired to be projected by the light source in the division map written on the display sheet can be arranged so as to match the position of the light source on the light source panel, so that the work of replacing the display sheet can be made more efficient. can do well.

Moreover, the receiver according to the present invention may be characterized in that the housing includes a lower end positioning section that positions the lower end of the display sheet by abutting it from above.

In this case, when replacing the display sheet, the lower end of the display sheet is brought into contact with the lower end positioning part of the casing from above to determine the vertical position, and then the display sheet is replaced with the light source panel as described above. Since it can be made to match the positioning portion, the position in the left and right direction can be determined more easily and accurately.

Further, in the receiver according to the present invention, it is preferable that the positioning section is a ruler section formed at the same position as at least one side end section.

With this configuration, as described above, at least one side edge of the display sheet can be aligned with the ruler of the light source panel, making it easier and more accurate to position the display sheet in the horizontal direction. Can be well positioned.

Further, the receiver according to the present invention may be characterized in that the ruler portion is provided at an upper corner portion of the light source panel.

With this configuration, it is possible to align and position the ruler at the upper corner of the light source panel and the upper part of the side edges of the display sheet. In this case, since the positioning point on the display sheet is located at the upper part, the positioning work can be easily performed visually, and the work of replacing the display sheet can be performed more efficiently.

Further, the receiver according to the present invention may be characterized in that the light source panel is removably locked to the housing by a locking member with the display sheet positioned at a predetermined attachment position.

In this case, the display sheet can be held between the light source panel and the housing by locking the light source panel to the housing with the locking member after positioning the display sheet at a predetermined mounting position. .

Moreover, the receiver according to the present invention may be configured such that a notch is formed in an upper corner of the light source panel, and the ruler is provided in a part of the notch.

In this case, when replacing the display sheet, a finger can be inserted into the notch formed in the upper corner of the light source panel, making it easier to attach and detach the light source panel.
In addition, since the ruler part that matches the position of the side edge of the display sheet is part of the notch, it is easy to see the position where the ruler part and the side edge of the display sheet match, and the replacement work can be carried out efficiently. .

Further, in the receiver according to the present invention, the casing includes a light source panel lower end locking portion that locks the lower end of the light source panel, and the light source panel has the light source panel lower end locking portion attached to the light source panel lower end locking portion. When the light source panel is locked, the upper end side of the light source panel can be opened by bending and deformation, and the display sheet may be provided to be replaceable.

In this case, while the lower end of the light source panel is kept locked by the light source panel lower end locking part, the upper end of the light source panel is bent and deformed to open the upper side of the light source panel and place the display sheet between it and the housing. It is possible to form a space in which objects can be taken in and taken out. Therefore, the display sheet can be replaced without removing the light source panel.

According to the receiver of the present invention, the display sheet can be positioned easily and accurately, and the display sheet replacement work can be performed efficiently.

FIG. 1 is a perspective view of a receiver according to an embodiment of the present invention, seen diagonally from the front. FIG. 2 is a perspective view of the receiver shown in FIG. 1 in an open state. FIG. 2 is an exploded perspective view of a map section of the receiver shown in FIG. 1. FIG. FIG. 3 is a perspective view showing a working state of attaching a display sheet on the back side of the door. FIG. 3 is a rear view of the light source panel of the map section viewed from the back side of the door section. FIG. 3 is a perspective view showing a working state in which the light source panel is removed. FIG. 3 is an enlarged perspective view showing the configuration of a cutout portion of the light source panel.

Hereinafter, a receiver according to an embodiment of the present invention will be described based on the drawings.

The receiver 1 according to the present embodiment shown in FIG. 1 is equipped with a fire detector, etc. in order to make the central control room aware of the fact that a fire has occurred and the location of the fire when a fire or the like occurs in a building or site. It has a display portion that causes a light source placed at a position corresponding to a location on the division map 4 to emit light in response to a detection signal received from the location. That is, the receiver 1 projects the light from a light source emitted by a signal that detects a predetermined event occurring in a building or site onto a predetermined position on the plot map 4, thereby presenting the event and the location where the event occurred. The display sheet 21 is provided on the surface of the casing 10 for display purposes.

The receiver 1 includes a housing 10, a map section 2, and an operation display panel section 3.
The housing 10 includes a main body 11 that can accommodate wiring, and a door 12 (see FIG. 3) that can open and close the surface of the main body 11. The door portion 12 is connected to the side portion of the main body portion 11 by a hinge (not shown) so as to be openable and closable.

Here, in the receiver 1, the direction perpendicular to the display surface (the display section 21a of the display sheet 21 to be described later) is the front and back direction, and the side where the display section 21a is viewed from the front in the front and back direction is the front side or the front side. The opposite side is the back side. Further, in the following description, the horizontal direction perpendicular to the front and back directions is assumed to be the left-right direction.

As shown in FIG. 2, the main body 11 is formed into a box shape having an opening 11a on the surface where the door 12 is disposed. The main body portion 11 houses a main body substrate 13, an external line 14, and an external line duct 15.

The external line 14 is for the receiver 1 to receive signals and power supply from the outside, such as detection signals from terminal devices such as fire detectors and smoke prevention equipment (not shown) and signals conveying the operating status. is connected to a terminal device or a power source, and the other end is drawn into the main body part 11 and connected to the main body board 13.
The external wire duct 15 is provided to protect, organize, and accommodate the external wires 14 routed to each connection point to the main body board 13 in the main body portion 11 .
The main body board 13 receives and processes signals from the terminal equipment via the external line 14, and sends control signals to the map part board 26 and the operation display panel part board 32 via the map part wiring 28 and the operation display panel part wiring 33. send a signal.

As shown in FIG. 2, the door portion 12 is formed into a plate shape, and a boss hole 12b and a screw hole 12c are formed on the rear surface 12a facing the opening 11a of the main body portion 11 (FIG. 4). reference). A map section 2 and an operation display panel section 3 are disposed on the door section 12.

As shown in FIG. 3, the map section 2 includes a transparent plate 20 provided on the door section 12 of the housing 10, a display sheet 21, a light source panel 22, a light source 23, and a presser plate 24. There is. Further, the map section 2 includes a map section board 26, an extension duct 27, and a map section wiring 28.

The transparent plate 20 is attached to an opening 12d formed in the plate surface of the door portion 12 of the housing 10. The transparent plate 20 can be made of a transparent material such as glass or acrylic, and is provided to protect the display section 21a of the display sheet 21 from dirt, scratches, and the like.

The display sheet 21 includes a map film 21A and a background sheet 21B. When the map section 2 is installed, the map film 21A of the display sheet 21, the background sheet 21B, the light source panel 22, and the light source 23 are arranged in the order from the front surface to the back surface when viewed from the front.
The display sheet 21 is formed into a rectangular shape when viewed from the front.

The map film 21A is placed on the back side of the transparent plate 20 when viewed from the front, and is made of a transparent resin film, and its surface serves as a display section 21a, on which a plot map 4 of buildings and sites is printed. It is something. In addition to the division of plots, the plot map 4 also shows the arrangement of equipment such as smoke prevention equipment, numbers or symbols corresponding to the compartments, and numbers or symbols corresponding to equipment such as smoke prevention equipment. It is depicted. These symbols become lighting symbols 21L on which the light from the light source 23 is projected. Note that printing of the block diagram 4 on the map film 21A may be performed by a method such as laser printing or inkjet printing, and can be performed using an office printer or the like.
The background sheet 21B of the display sheet 21 is disposed on the back side of the map film 21A when viewed from the front, and is, for example, a transparent resin sheet painted translucent by UV printing or the like.

As shown in FIGS. 4 to 6, the light source panel 22 is disposed behind the background sheet 21B when viewed from the front, and is made of a transparent plate material, such as glass or acrylic. The light source panel 22 holds the display sheet 21 in a state where it is positioned at a predetermined mounting position on the front side. Specifically, the light source panel 22 is assembled by screwing screws 22a (locking members) into screw holes 12c (see FIG. 3) formed in the door 12 through through holes (not shown) formed in the light source panel 22. , the map film 21A and the background sheet 21B are pressed and fixed to the door part 12.

For example, by pulling the screws 22a from the back side of the light source panel 22 to the back side (in the direction of symbol E in FIG. 6), the screws 22a are loosened and removed from the screw holes 12c, and the light source panel 22 is removed from the housing 10 (door section 12). It is possible to adopt a configuration in which the screw hole 12c can be locked in one-touch by pushing it to the front side from the detached state.
When replacing the display sheet 21, remove only the upper screw 22a from the screw hole 12c and leave the lower screw 22a loose, so that the lower end of the light source panel 22 is not engaged as shown in FIG. The display sheet 21 can be put in and taken out between the light source panel 22 and the transparent plate 20 by stopping the display sheet 21 and bending it in the direction of symbol F to open only the upper side.

Here, as shown in FIGS. 4 and 6, the rear surface 12a of the door section 12 is provided with a lower end positioning section 16 that abuts the lower end section 21b of the display sheet 21 from above to determine the vertical position. ing. The lower end positioning portion 16 protrudes rearward from the rear surface 12a of the door portion 12 and extends along the lateral direction (width direction of the door portion 12). The display sheet 21 is positioned in the vertical direction by bringing the lower end portion 21b into contact with and locking the upper surface 16a (lower end locking portion of the light source panel) of the lower end positioning portion 16.

As shown in FIGS. 5 and 6, cutout portions 22A are formed at the four corners of the light source panel 22, respectively. As shown in FIG. 7, the cutout portion 22A is formed with a horizontal portion 22b extending in the horizontal direction and a ruler portion 22c (alignment portion) extending in the vertical direction. The ruler portion 22c is formed at a position corresponding to the display sheet 21, and specifically, the position in the left-right direction of the left and right side end portions 21c, 21c (see FIG. 3) of the display sheet 21, which are positioned at predetermined positions. It is formed so that positioning can be performed by matching the

As shown in FIG. 3, the display sheet 21 is positioned so that the position of the lighting symbol 21L displayed on the section map 4 of the map film 21A matches the position of the light source 23 fixed to the light source panel 22. It is located.

The light source 23 is an LED, for example, and is arranged in accordance with the position of the lighting symbol 21L shown in FIG. 3, and is adhered to the back side of the light source panel 22 with an adhesive sheet (not shown) or the like. Further, the light source 23 is connected to the map section board 26 via the map section wiring 28, and emits or blinks based on a control signal transmitted from the main body board 13 to the map section board 26.

As shown in FIGS. 3 and 4, the presser plate 24 can be configured by, for example, screwing screws 24a into boss holes 12b formed in the door portion 12 through through holes 24b formed at the four corners of the presser plate 24. As a result, the light source 23 is pressed and fixed to the light source panel 22.

As shown in FIGS. 1 and 2, the operation display panel section 3 includes a board surface 31, an operation display panel section substrate 32, and an operation display panel section wiring 33.
In the operation display panel section 3, an operation switch (not shown) on a panel surface 31 is connected to an operation display panel section substrate 32 via an operation display panel section wiring 33. Based on the control signal transmitted from the main body board 13 in the main body part 11 to the operation display panel part board 32, the operation display panel part 3 emits an alarm sound through a speaker (not shown), It is possible to stop the alarm sound, etc. based on the operation of the operation switch.

Regarding the receiver 1 having the above-described configuration, the operation of the receiver 1 upon detection of a predetermined event will be explained. An example of an event to be detected is the occurrence of a fire.
FIG. 1 is an example of a block diagram 4. For example, assume that a fire occurs in a compartment corresponding to the first compartment indicated by "(1)" on the left side of the compartment diagram 4. When a fire occurs, a fire detector (not shown) connected to the receiver 1 detects the fire. A detection signal from the fire detector is sent to the main body board 13 via an external line 14, as shown in FIG.

Next, power is supplied from the map section board 26 to the light source 23 corresponding to the first section via the map section wiring 28, and the light source 23 corresponding to the first section emits light. When the light source 23 emits light, the light from the light source 23 passes through the transparent light source panel 22 and the translucent background sheet 21B, and is projected onto the lighting symbol 21L corresponding to the first section printed on the map film 21A. When the light from the light source 23 is projected onto the lighting symbol 21L, when the receiver 1 is viewed from the front, the lighting symbol 21L corresponding to the first section appears to be lit or blinking.

Next, the operation of the receiver described above will be explained in detail based on the drawings.
In this embodiment, as shown in FIGS. 4 to 6, when replacing the display sheet 21, the lower end 21b of the display sheet 21 is brought into contact with the upper surface 16a of the lower end positioning section 16 of the door section 12 from above, and In addition to positioning the side edge portion 21c of the display sheet 21 with the ruler portion 22c of the light source panel 22, it is possible to easily and accurately position the side edge portion 21c of the display sheet 21 in the left and right directions when viewed from the front and back directions. can. Thereby, the display sheet 21 can be positioned at a predetermined attachment position on the front surface side of the light source panel 22, and the display sheet 21 can be prevented from being disposed at a position shifted from the light source panel 22.
Therefore, in the present embodiment, the predetermined position of the section map 4 written on the display sheet 21 that is desired to be projected by the light source 23 can be arranged to match the position of the light source 23 of the light source panel 22, so that the display The work of replacing the sheet 21 can be performed efficiently.

Moreover, in this embodiment, since the ruler part 22c is provided at the upper corner part of the light source panel 22, the ruler part 22c located at the upper corner part and the upper part of the side edge part 21c of the display sheet 21, can be aligned and positioned. In this case, since the positioning point on the display sheet 21 is located at the upper part, the positioning work can be easily performed visually, and the work of replacing the display sheet 21 can be performed more efficiently.

Further, in this embodiment, after positioning the display sheet 21 at a predetermined attachment position, the light source panel 22 is locked to the door 12 with the screws 22a, so that the display sheet is placed between the light source panel 22 and the door 12. 21 can be held.

Furthermore, in this embodiment, when replacing the display sheet 21, it is possible to insert a finger into the notch 22A formed at the upper corner of the light source panel 22, making it easy to attach and detach the light source panel 22. .
Moreover, since the ruler part 22c aligned with the position of the side edge part 21c of the display sheet 21 is a part of the notch part 22A, it is easy to see the position where the ruler part 22c and the side edge part 21c of the display sheet 21 are aligned, and the replacement work is easy. can be done efficiently.

Further, in this embodiment, the upper side of the light source panel 22 is opened by bending and deforming the upper end side of the light source panel 22 while keeping the lower end part of the light source panel 22 in contact with and locked to the upper surface 16a of the lower end positioning part 16. A space can be formed between the display sheet 21 and the door 12 in which the display sheet 21 can be taken in and taken out. Therefore, the display sheet 21 can be replaced without removing the light source panel 22.

As described above, in the receiver according to this embodiment, the display sheet 21 can be positioned easily and accurately, and the display sheet 21 can be replaced efficiently.

Although the embodiments of the receiver according to the present invention have been described above, the present invention is not limited to the above embodiments, and can be modified as appropriate without departing from the spirit thereof.

For example, in this embodiment, notches 22A are formed at the four corners of the light source panel 22, and a ruler part 22c is provided in a part of the notches 22A. The location is not limited to this. For example, the notch 22A may be provided only at the upper corner of the light source panel 22. Further, the ruler portion 22c may be provided only at the upper corner, or may be arranged at the center in the vertical direction without being limited to the corner. Furthermore, although the ruler portions 22c are provided on both sides of the light source panel 22 in the left-right direction in this embodiment, they may be formed at the same position as at least one side edge portion 21c of the display sheet 21.

Further, in this embodiment, the housing 10 includes the lower end positioning section 16 that positions the lower end of the display sheet 21 by abutting it from above, but it is also possible to omit this lower end positioning section 16.
Furthermore, although the ruler section 22c is formed at the same position as at least one side edge of the display sheet 21 as the alignment section, it is also possible to adopt another form of alignment section in place of the ruler section 22c. It is.

Further, in this embodiment, by loosening the lower screw 22a of the light source panel 22 and removing the upper screw 22a, the light source panel 22 is provided rotatably around the lower end, and the light source panel 22 is Although the upper part is configured to be detachably fixed to the door portion 12, the light source panel is not limited to such an attachment/detachment structure. That is, when replacing the display sheet 21, the entire light source panel 22 may be removed.

Further, although the screws 22a are used as locking means for fixing the light source panel 22 to the door 12 with the display sheet 21 sandwiched therebetween, other forms of locking means may be used.

Furthermore, the configurations of the display sheet 21 and the light source 23 are not limited to the above-described embodiments, and may take other forms. For example, the background sheet 21B may be any sheet that allows the light from the light source 23 to pass through while making the map portion wiring invisible. The background sheet 21B is not a sheet of transparent resin painted translucent, but, for example, a paper material with many fine holes penetrating the surface of the paper to allow light to pass through. The map portion wiring may be made invisible while allowing the light from the light source 23 to pass therethrough.
In addition, the light source 23 may be other than an LED as long as the light emitted by the light source 23 passes through the background sheet 21B, and an incandescent lamp or a fluorescent lamp may be used.

In addition, it is possible to appropriately replace the components in the above-described embodiments with well-known components without departing from the spirit of the present invention.

1 Receiver 2 Map section 3 Operation display panel section 4 Compartment diagram 10 Housing 11 Main body section 12 Door section 16 Lower end positioning section 16a Top surface (light source panel lower end locking section)
21 Display sheet 21A Map film 21B Background sheet 21L Lighting symbol 21b Lower end 21c Side end 22 Light source panel 22A Notch 22a Screw (locking member)
22b Horizontal part 22c Ruler part (alignment part)
23 Light source 24 Holding plate

Claims (4)

A display sheet for presenting the event and the location where the event occurred by projecting light from a light source emitted by a signal that detects a predetermined event occurring in a building or site onto a predetermined position on a plot map. A receiver comprising: on the surface of the casing,
a display sheet displaying the zoning diagram;
a light source panel that holds the display sheet on its front side;
Equipped with
On the back side of the light source panel, the light source is arranged to project a predetermined position of the division map from the back side,
The light source panel has a positioning portion formed at a position corresponding to the display sheet positioned at a predetermined mounting position when viewed from the front and back directions,
The receiver is characterized in that the casing includes a lower end positioning section that abuts and positions the lower end of the display sheet from above . A display sheet for presenting the event and the location where the event occurred by projecting light from a light source emitted by a signal that detects a predetermined event occurring in a building or site onto a predetermined position on a plot map. A receiver comprising: on the surface of the housing,
a display sheet displaying the zoning diagram;
a light source panel that holds the display sheet on its front side;
Equipped with
On the back side of the light source panel, the light source is arranged to project a predetermined position of the division map from the back side,
The light source panel has a positioning portion formed at a position corresponding to the display sheet positioned at a predetermined mounting position when viewed from the front and back directions,
The receiver is characterized in that the alignment part is a ruler part formed in a part of the side end part. A display sheet for presenting the event and the location where the event occurred by projecting light from a light source emitted by a signal that detects a predetermined event occurring in a building or site onto a predetermined position on a plot map. A receiver comprising: on the surface of the housing,
a display sheet displaying the zoning diagram;
a light source panel that holds the display sheet on its front side;
Equipped with
On the back side of the light source panel, the light source is arranged to project a predetermined position of the division map from the back side,
The light source panel has a positioning portion formed at a position corresponding to the display sheet positioned at a predetermined mounting position when viewed from the front and back directions,
A notch is formed in at least a part of the corner of the light source panel,
A ruler part is provided in a part of the notch part,
A receiver characterized in that the ruler section functions as the alignment section . A display sheet for presenting the event and the location where the event occurred by projecting light from a light source emitted by a signal that detects a predetermined event occurring in a building or site onto a predetermined position on a plot map. A receiver comprising: on the surface of the housing,
a display sheet displaying the zoning diagram;
a light source panel that holds the display sheet on its front side;
Equipped with
On the back side of the light source panel, the light source is arranged to project a predetermined position of the division map from the back side,
The light source panel has a positioning portion formed at a position corresponding to the display sheet positioned at a predetermined mounting position when viewed from the front and back directions,
The casing includes a light source panel lower end locking part that locks a lower end of the light source panel,
The light source panel is configured such that when the light source panel is locked to the light source panel lower end locking portion, the upper end side of the light source panel can be opened by bending and deformation, and the display sheet is provided to be replaceable. A receiver featuring:

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