JP6545076B2 - Fire receiver - Google Patents

Description

  The present invention relates to a fire receiver in which a transparent protective plate is attached and protected in front of an operation unit.

  Conventionally, in the case of a P-type fire receiver provided in a fire alarm system, for example, a transmitter or a fire detector is connected to a line drawn from the fire receiver to monitor fires in line units. When a fire occurs, a fire alarm is output to building personnel such as a custodian by sound or indicator light, and a district acoustic alarm is output from the district acoustic device installed on the fire occurrence floor and the floor directly above. ing.

  In addition, for large-scale fire alarm systems that monitor multiple housing buildings with a disaster prevention center etc., a fire receiver is provided for each housing building and centralized monitoring is performed by the disaster prevention center, and fires installed for each housing building The receiver may be installed at a place where people come and go, such as a shared space.

  In this way, when a fire receiver is installed at a place where people come and go, an incorrect switch operation is performed if an object hits the operation unit of the fire receiver, so an acrylic plate or the like is used in front of the operation unit. To install a protective plate.

  FIG. 15 is an explanatory view showing a mounting structure of a protective plate to a conventional fire receiver. As shown in FIG. 15 (A), the receiver panel 102 of the fire receiver 100 is provided with a display unit 104 on which a fire representative light, a failure representative light, and a district indicator light are arranged, and exposed to the outside below. The operation unit 106 is provided, and another operation unit is provided inside the small door 108 provided below the operation unit 106. In mounting the protection plate 110, mounting members 112 are mounted on both sides of the operation portion 106, and the protection plate 110 is fixed by screws 114.

  As for attachment of the mounting bracket 112 to the operation part 106, as shown in FIG. 15 (B), the receiver panel 102 of a door structure is opened and attachment of the circuit board arrange | positioned on the back side of the display part 104 and the operation part 106. The screw of the cover is loosened to form a gap between the openings, and the mounting member 112 is inserted into the gap and fixed by tightening the screw of the mounting cover.

  FIG. 16 is an explanatory view showing another attachment structure of the protective plate to the conventional fire receiver. In this case, as shown in FIG. 16A, mounting members 112 are attached and fixed to both sides of the operation portion 106 with screws 114, and then, as shown in FIG. 16B, the protective plate 110 is attached to the mounting member 112. Are fixed by screws 114.

JP-A-7-262469 JP 10-124768 A

  However, in such a conventional mounting structure for the fire receiver, in order to fix the mounting members on both sides of the operation part of the fire receiver, the receiver panel is opened and the screw is loosened from the inside and pinched It is necessary to fix the mounting members on both sides of the operation part by screwing, and the mounting member is fixed to the narrow space inside the both sides of the operation part with screws, etc. Fixing takes time and effort, and there is a problem that the work to fix the protective plate becomes complicated.

  An object of the present invention is to provide a fire receiver capable of easily attaching a protective plate to the front of an operation unit by a simple structure.

(Protective plate mounting structure of fire receiver)
According to the present invention, a first operation unit in which an operation portion is exposed to the outside is disposed on a receiver front panel, and a small door which can be opened and closed downward covering the outside of the operation portion under the first operation portion. In the fire receiver provided with the provided second operation unit,
Slit holes formed on both sides of the first operation portion,
A pair of mounting members detachably fitted and supported in each of the slit holes formed on both sides of the first operation portion;
A protective plate which is detachably attached to the pair of attachment members by screws and covers the front surface of the first operation portion and holds the lower side in front of the small door in a closed state;
Is provided.

(Mounting member)
The first operation portion forms slit holes at upper and lower two places on both sides,
The mounting member integrally forms a pair of fitting pieces that fit into each of the slit holes of the first operation portion from the top to the bottom of the strip-like main body, and a pair of the fitting formed on the main body After standing up between the pieces, the plate attachment part that bends parallel to the front panel to fix and support the protection plate is integrally formed, and it is possible to fit in the slit hole of the first operation part even if the top and bottom and the left and right are interchanged Symmetrical structure.

(Positioning structure by the small door of the mounting member)
The pair of mounting members are provided with a positioning structure which positions the lower end in contact with the upper edge of the small door closing the second operation part when fitted on both sides of the first operation part.

(Mounting fixed by rotation of protective plate)
The slit hole on one side of the first operation portion is formed to have a first slit width adapted to the width of the fitting piece of the mounting member, and the slit hole on the opposite side of the first operation portion exceeds the width of the fitting piece of the mounting member Formed to a predetermined second slit width,
With one mounting member fitted to one side of the first operation part, fit the fitting piece of the other mounting member fixed to the opposite side of the protective plate into the slit hole of the second slit width from diagonally above The protective plate is positioned and fixed on the front surface of one of the attachment members attached to one side of the first operation portion by pivoting the protective plate downward.

(Slide structure of protective plate)
A slide structure is provided which moves the protective plate upward to enable the operation of the first operation portion in a mounting and fixing state of the protective plate to the pair of mounting members by screwing. This slide structure is an elongated hole of a predetermined length that can slide upward in the screw hole of the protective plate. In the slide structure, the slit holes on both sides of the first operation portion may have a predetermined slit width capable of sliding the attachment member up and down.

(Basic effect)
According to the present invention, a first operation unit in which an operation portion is exposed to the outside is disposed on a receiver front panel, and a small door which can be opened and closed downward covering the outside of the operation portion under the first operation portion. A fire receiver having a second operation unit provided, wherein the slit holes formed on both sides of the first operation unit and the slit holes formed on both sides of the first operation unit are detachably attached and supported A pair of mounting members to be attached, and a protective plate removably mounted on the pair of mounting members by screws and covering the front of the first operation portion and positioning the lower side in front of the small door and holding it in a closed state Since mounting of the mounting members on both sides of the first operation part is achieved by fitting the mounting members to the slit holes and does not require screwing and fixing, mounting of the mounting members to the fire receiver is required. Work is easy, The attachment of the bets, enabling reliably protect it so as not to be operated even if hit by an object from the outside to the operating unit.

  In addition, when the protective plate is fixedly attached, the small door is also kept closed, and it does not open even when an object hits the small door from the outside, thereby reliably protecting the switch provided in the small door.

(Effect by mounting member)
In addition, the first operation portion is formed with slit holes at upper and lower two places on both sides, and the attachment member is a pair that is fitted to each of the slit holes of the first operation portion from the upper and lower sides of the strip-like main body Between the pair of fitting pieces formed in the main body, and then bent inward to integrally form a plate attachment portion for fixing and supporting the protective plate; And since the symmetrical structure which can be fitted in the slit hole of the first operation part is provided even if the right and left are replaced, the fitting piece of the mounting member is inserted from the side into the slit hole of the first operation part and fitted It can be easily and easily attached, and can be easily and easily removed.

  In addition, there is no restriction on the position and orientation of the first operation portion with respect to the left and right slit holes, and the pair of attachment members can be inserted into the slit holes and fitted even if the attachment members are interchanged left and right. Because it is not necessary to distinguish, it is excellent in workability.

(Effect of positioning structure by small door of mounting member)
In addition, since the pair of mounting members are mounted on both sides of the first operation portion, the positioning members are positioned such that the lower end is brought into contact with the upper edge of the small door closing the second operation portion. Even if the mounting bracket is not fixed to a screw or the like by inserting the fitting pieces of the mounting bracket into the slit holes on both sides of the first operating unit with the small door of the second operating unit closed, the screw of the protection plate Positioning corresponding to the stopper is possible, and the positioning of the mounting member by the small door makes it possible to easily perform the mounting operation by screwing the protective plate.

(Effect of mounting fixation by rotation of protective plate)
Further, the slit hole on one side of the first operation portion is formed to have a first slit width adapted to the width of the fitting piece of the mounting member, and the slit hole on the opposite side of the first operation portion is the width of the fitting piece of the mounting member The second slit width of the other attachment member fixed to the opposite side of the protective plate is formed with a predetermined second slit width exceeding one and the one attachment member is attached to one side of the first operation portion Has a structure in which the protective plate is positioned and fixed on the front surface of one of the mounting members mounted on one side of the first operation portion by fitting the protective plate obliquely downward from above by fitting it in the slit hole of Thus, in a state in which the fitting piece of the mounting member is fitted and attached to the slit hole on one side of the first operation portion, the other mounting member screwed to the protective plate is subjected to the first operation. Diagonally above the wide slit hole on the opposite side of the part Inserting it by turning, easily and readily enables the mounting work of the protective plate according to the mounting member.

(Effect by slide structure of protection plate)
In addition, a slide structure is provided which moves the protection plate upward to enable the operation of the first operation portion in a mounting state of the protection plate to the pair of mounting members by screwing, for example, the slide structure is a screw of the protection plate The hole is made to be a long hole which can slide upward in a predetermined length, or the slide structure is such that the slit holes on both sides of the first operation portion have a predetermined slit width which allows the mounting member to slide up and down. When it is necessary to operate the fire receiver provided with the protective plate for inspection, etc., the first operation unit can be easily operated by sliding it without removing the protective plate. Further, the small door closing the second operation unit can be opened to easily perform the operation.

Explanatory drawing which showed the embodiment of the fire receiver in the state which opened the small door. Explanatory drawing which showed the assembly disassembly structure of the protection plate with respect to the operation part of a fire receiver. Explanatory drawing which showed the fire receiver which attached the protection plate to the operation part Explanatory drawing which took out and showed the assembly disassembly structure of the protection plate with respect to the operation part Explanatory drawing which showed the attachment member by the front, the side, and the plane Explanatory drawing which showed the attachment member used by right and left pair Explanatory drawing which took out and showed separately the part of the slit hole formed in the both sides of the operation part Explanatory drawing which took out the attachment structure of the protection plate by an attachment member from the side, and showed it Explanatory drawing which showed the structure of the fire receiver which attaches a protection plate by rotation operation. Explanatory drawing which took out and showed separately the part of the slit hole formed in the operation part both sides of the fire receiver of FIG. 9 Explanatory drawing which showed the fire receiver made movable by the slide hole of the protection plate Explanatory drawing which showed the state which moved the protective plate by the fire receiver of FIG. Explanatory drawing which took out separately the part of the slit hole which the attachment member formed in the operation part both sides to move is shown separately Explanatory drawing which showed the state which moved the protection plate by the fire receiver of FIG. Explanatory drawing which showed the attachment structure of the protection plate in the conventional fire receiver Explanatory drawing which showed the attachment structure of another protection plate in the conventional fire receiver

[Outline of fire receiver]
FIG. 1 is an explanatory view showing an embodiment of a fire receiver with a small door opened. As shown in Fig. 1, the fire-type receiver 10 is installed in a disaster prevention center of a building, a manager's room, etc., and a transmitter, a fire detector, etc. are connected by a signal line to monitor fires, and alarms A regional audio system is connected to the line.

  The fire receiver 10 comprises a box-shaped main body 11 and a receiver panel 12 having a door structure. The display unit 14 and the first operation unit 16 are disposed in the receiver panel 12, and the second operation unit 18 provided with a small door 20 which can be opened and closed is disposed below the first operation unit 16. There is.

  The display unit 14 is provided with various representative lights, district indicator lights, various book indicators, and the like.

  The first operation unit 16 is provided with various switches and the like used by the administrator exposed to the outside. The second operation unit 18 is provided with various switches used for maintenance and inspection and line registration, and the small door 20 is closed in the normal monitoring state, and the small door 20 is used when performing inspection work and the like. Open the lower side and perform the necessary switch operation.

[Protection structure of operation unit]
FIG. 2 is an explanatory view showing an assembly and disassembly structure of a protective plate with respect to an operation unit of a fire receiver, and FIG. 3 is an explanatory view showing a fire receiver having a protective plate attached to the operation unit.

  When the fire receiver 10 is installed at a place where a person passes, as shown in FIGS. 2 and 3, a pair of mounting members 22 is used to cover the first operation portion 16 of the fire receiver 10. The protection plate 24 is attached to prevent an erroneous switch operation from being performed even when the first operation unit 16 is hit from the outside.

(Mounting structure of mounting member)
FIG. 4 is an explanatory view showing the assembly / disassembly structure of the protective plate with respect to the operation portion, FIG. 5 is an explanatory view showing the mounting member in front, side and plane, and FIG. FIGS. 7A and 7B are explanatory views in which portions of slit holes formed on both sides of the operation portion are individually taken out and shown.

  As shown in FIG. 4, slit holes 28 are formed at upper and lower corner portions on both sides of the first operation portion 16 recessed in the receiver panel 12, and fitting pieces of the attachment member 22 are formed in the slit holes 28. It is attached by inserting from the side.

  As shown in FIG. 5, the mounting member 22 is formed by bending a metal plate, and the fitting pieces 22b are formed from the upper and lower sides of the strip-like main body 22a to the outside (left side in the figure). Further, the plate attachment portion 22c is formed by standing up from the main body portion 22a between the fitting pieces 22b and bending inward (right side in the drawing), and a screw hole 30 is formed at the center in the vertical direction. ing.

  Further, the mounting member 22 has a target structure in which the main body portion 22a and the plate mounting portion 22c having the fitting pieces 22b formed up and down with respect to the center line 34 in the lateral direction have a target shape. 7 can be inserted into and fitted in the slit holes 28 on both sides of the first operation portion 16 shown in FIG. Here, the slit holes 28 formed on both sides of the first operation portion 16 have a slit width L1 in which the fitting pieces 22b of the mounting member 22 can be inserted from the side.

  6A shows the mounting member 22 mounted on the left side of the first operation unit 16, and FIG. 6B shows the mounting member 22 mounted on the right side of the first operation unit 16. Although the directions of the fitting piece 22b and the plate mounting portion 22c are opposite to each other depending on the arrangement position of the first operation portion 16, two mounting members 22 having the same structure shown in FIG. 5 are used. There is.

  By using the mounting member 22 having such a target structure, when mounting the mounting member 22 on both sides of the first operation portion 16, the same one can be used without distinction between the left and right. It is possible to reduce the manufacturing cost and to improve the workability.

(Mounting structure of protective plate)
FIG. 8 is an explanatory view showing the mounting structure of the protective plate by the mounting member taken out from the side, and FIG. 8 (A) shows an exploded structure, and FIG. 8 (B) shows the mounting structure.

  As shown in FIG. 8A, when mounting the protection plate 24, first, insert the fitting pieces 22b of the mounting member 22 into the slit holes 28 on both sides of the first operation portion 16 of the receiver panel 12. To fit. At this time, the mounting member 22 is fitted in a state in which the small door 20 on the lower side of the first operation portion 16 is closed, and the mounted mounting member 22 abuts on the upper edge 20a of the small door 20. The member 22 can be positioned and held at a predetermined mounting position.

  Subsequently, the screw 26 is externally inserted into the screw hole of the protection plate 24, and the screw 26 is screwed into and fixed to the screw hole of the mounting member 22. In the fixed state of the protective plate 24, as shown in FIG. 8B, the lower inner side of the protective plate 24 abuts on the upper portion of the small door 20, and the small door 20 is held closed by the protective plate 24.

  Such a mounting structure of the protective plate 24 allows the protective plate 24 to receive an object from the outside and reliably prevent an erroneous operation of the operation switch provided in the first operation portion 16. Also, even if something from the outside hits the small door 20, the small door 20 is accidentally opened because it is held closed by the protection plate 24, and another thing hits there from outside and is operated Certainly prevent accidental operation of the switch.

[Mounting structure by rotation of protective plate]
FIG. 9 is an explanatory view showing a structure of a fire receiver to which a protective plate is attached by a turning operation, and FIG. 10 is an explanation showing separately taking out the slit holes formed on both sides of the operation part of the fire receiver in FIG. FIG.

  In the present embodiment, as shown in FIG. 9B, the mounting member 22 is attached to the right side, and the protection plate 24 fixed by the screw 26 is prepared, and as shown in FIG. 9A, the receiver Insert the fitting piece of the mounting member 22 fixed at the right end of the protection plate 24 into the slit hole on the right side of the first operation part 16 provided on the panel 1012 from diagonally above, and then continue the protection plate 24 with the right side as a fulcrum Then, the protection plate 24 is positioned in front of the mounting member 22 pre-mounted on the left side of the first operation portion 16 and fixed with screws 26. By thus mounting the protective plate 24 in rotation, the mounting operation of the protective plate 24 by the mounting member 22 can be performed easily and easily.

  In order to realize the attachment work by the rotation operation of the protection plate 24 shown in FIG. 9A, the left side of the operation portion 16 shown in FIG. 10A is the same as in FIG. Although the slit hole 28 corresponding to the joint piece 22b and having a predetermined slit width L1 is formed, the slit corresponding to the fitting piece 22b of the attachment member 22 is formed on the right side of the operation unit shown in FIG. A slit long hole 28a having a predetermined slit width L2 exceeding the width is formed, whereby the mounting member 22 fixed to the right end of the protection plate 24 shown in FIG. It is possible to insert and turn downward. The slit hole 28 and the slit long hole 28a may be reversed in the left and right.

[Slide structure of protection blade]
(Slide screw hole on protective plate)
FIG. 11 is an explanatory view showing a fire receiver made movable by a slide screw hole of a protection plate, and FIG. 12 is an explanatory view showing a state where the protection plate is moved by the fire receiver of FIG.

  As shown in FIG. 11, the fire receiver 10 of this embodiment has a slide screw hole 32 of a predetermined length L which can slide upward in the screw hole of the protection plate 24 and the screw hole of the mounting member 22 shown in FIG. When 30 is formed on the upper side and screw 26 is screwed into it, and operation of the first operation unit 16 is required for inspection etc., as shown in FIG. The slide 24 is moved upward with respect to the mounting member 22 to open the first operation portion 16 so as to allow the operation of an alarm stop switch or the like.

  Further, by sliding the protection plate 24 upward, the closed state of the small door 20 is released, the small door 20 is opened, and the necessary switch operation of the second operation unit is enabled.

  When it is necessary to operate the fire receiver 10 provided with the protection plate 24 for inspection or the like by the slide structure of the protection plate 24 as described above, the first operation portion 16 can be slid without removing the protection plate 24. And the small door 20 can be opened to easily operate the second operation unit.

(Slide slit hole of mounting member)
FIG. 13 is an explanatory view separately showing a slit hole portion for moving a mounting member formed on both sides of the operation unit, and FIG. 14 is an explanatory view showing a state in which the protection plate is moved by the fire receiver of FIG. is there.

  In the slide structure of the protection plate of the present embodiment, as shown in FIG. 13, the slit holes formed on both sides of the first operation portion 16 make the mounting member 22 upward slide slit holes 28b of a predetermined length L3. There is.

  Due to the slide structure of the mounting member 22 as described above, when it is necessary to operate the first operation portion 16 at the time of inspection or the like, the protection plate 24 is pushed upward as shown in FIG. Is moved by the slide of the mounting member to open the first operation unit 16 so that the first operation unit 16 can be operated, for example, to enable the operation of the alarm stop switch or the like. Further, by sliding the protection plate 24 upward, the closed state of the small door 20 is released, the small door 20 is opened, and the necessary switch operation of the second operation unit is enabled.

  Therefore, the operation of the first operation unit 16 and the small door 20 are opened by sliding the protection plate 24 without loosening the screw 26 or removing the protection plate 24, and the second operation unit is easily operated. Make it possible.

[Modification of the present invention]
Although the above-mentioned embodiment is taking a fire receiver as an example, the mounting structure of a protective plate using a mounting bracket may be similarly applied to a monitoring board, a control board or the like provided with an operation unit on an apparatus panel.

  Further, the present invention is not limited to the above-described embodiment, includes appropriate modifications that do not impair the objects and advantages thereof, and is not limited by the numerical values shown in the above-described embodiment.

10: fire receiver 11: body 12: receiver panel 14: display unit 16: first operation unit 18: second operation unit 20, 108: small door 22: attachment member 22a: main body 22b: fitting piece 22c: Plate mounting portion 24: protection plate 26: screw 28: slit hole 28a: slit long hole 28b: slide slit hole 30: screw hole 32: slide screw hole 110: protection plate 112: mounting member

Claims (7)

The receiver front panel is provided with a first operation unit in which the operation portion is exposed to the outside, and a small door which can be opened and closed downward to cover the outside of the operation portion below the first operation portion. In a fire receiver equipped with two operation parts,
Slit holes formed on both sides of the first operation portion;
A pair of mounting members detachably fitted and supported in each of the slit holes formed on both sides of the first operation portion;
A protective plate which is detachably attached to the pair of attachment members by screws and covers the front surface of the first operation portion and holds the lower side in front of the small door in a closed state;
A fire receiver characterized by being provided.
In the fire receiver according to claim 1,
The first operation portion forms the slit holes at upper and lower two places on both sides,
The attachment member integrally forms a pair of fitting pieces that fit into each of the slit holes of the first operation portion from the top to the bottom of the strip-like main body, and a pair formed on the main body The plate mounting portion for fixing and supporting the protective plate is integrally formed by bending in parallel to the front panel after standing between the fitting pieces in the front, and the slit of the first operation portion is formed even if the upper and lower and left and right are interchanged A fire receiver characterized by having a symmetrical structure which can be fitted into a hole.
The fire receiver according to claim 1, wherein the pair of attachment members are provided on the upper edge of the small door closing the second operation portion when fitted on both sides of the first operation portion. What is claimed is: 1. A fire receiver comprising: a positioning structure for positioning the lower end in abutment.
In the fire receiver according to claim 2,
The slit hole on one side of the first operation portion is formed to have a first slit width adapted to the width of the fitting piece of the mounting member, and the slit hole on the opposite side of the first operation portion is the fitting piece of the mounting member To a predetermined second slit width that exceeds the width of the
With one attachment member attached to one side of the first operation portion, the fitting piece of the other attachment member fixed to the opposite side of the protective plate is engaged with the slit hole of the second slit width from diagonally above And the protective plate is positioned and fixed on the front surface of the one mounting member fitted to one side of the first operation portion by pivoting the protective plate downward. To be a fire receiver.
The fire receiver according to claim 2, wherein the protective plate is moved upward in a mounting state by screwing the protective plate to the pair of mounting members, and the slide enabling operation of the first operation unit. A fire receiver characterized by having a structure.
6. The fire receiver according to claim 5, wherein the slide structure is an elongated hole having a predetermined length which is slidable upward in the screw hole of the protection plate.
  The fire receiver according to claim 5, wherein the slide structure has slit holes on both sides of the first operation portion, and the attachment member has a predetermined slit width capable of sliding up and down. Machine.

Images