KR200355586Y1 - Manual call point having a reset switch of fire alarm button - Google Patents

Abstract

The present invention relates to a fire transmitter, in particular to facilitate the pressure plate recovery and wiring connections.

To this end, the present invention provides an elastic pressing plate for operating a button switch of a fire transmitter, and includes a locking means for restraining or releasing one end of the elastic pressing plate to restore the elastic pressing plate to its original position by its locking / release operation. By providing a fire transmitter including a pressure plate recovery switch, it is possible to easily recover without using a device such as a driver, and to facilitate a telephone connection work. The wiring connection work can be made simply and conveniently, and the position indication of the transmitter can be made surely, thus increasing the effectiveness of the fire transmitter in an emergency.

Description

Manual call point having a reset switch of fire alarm button

The present invention relates to a fire transmitter provided with a pressing plate on the cover for protection of the alarm button and emergency operation, and more specifically, by installing the pressing plate to be coupled or detachable to the cover and mounting the pressing plate recovery switch, It is a fire transmitter that can protect the button for alarming normally in normal times, but in the event of an emergency, the alarm operation can be made easily, and the restoration can be made quickly, thereby improving the inconvenience during recovery.

In general, a large building is provided with a fire transmitter to notify the occurrence of a fire by artificially operating in the event of a fire to sound an alarm, and is equipped with a light emitting source for indicating the exit location to indicate the emergency passage.

Such a fire transmitter is usually a button for generating an alarm that can artificially operate an alarm in case of fire, an alarm that emits an alarm sound at the same time as the operation of the button, a position indicator light source which is always on to indicate an emergency passage in case of fire, and an emergency One telephone terminal is provided so that the telephone can be connected and used.

The alarm generating button, the alarm, the position indicating light emitting source, and the emergency telephone terminal are respectively connected to the circuit board of the middle panel, and the circuit board is connected to the wire which is input from the outside, and the alarm, the location indicating light source and the emergency telephone are connected. Wiring connection terminals for supplying power to the terminals are connected.

The alarm generating button is built in the cover of the transmitter and the transmitter cover is formed to form a pressing plate made of a transparent material so as to operate the alarm generating button by pressing in an emergency. Alarms are linked in sequence.

The wiring connection terminal is composed of a normal nut which is wound and supported by electric wires drawn from the outside, and a lead terminal which is connected to the circuit board at the same time that the nut is fastened.

However, since a conventional fire transmitter of such a configuration is configured to operate a button for generating alarms by pressing a transparent pressing plate during operation of a fire alarm, when a child or the like acts as a joke, an administrator arrives at the scene. However, in order to restore the pressure plate once operated in the conventional fire transmitter, it is necessary to open the front cover by using a device such as a screwdriver and restore the pressure plate pushed into it to its original position. There were various problems such as time consuming.

In addition, the wire connecting terminal for supporting the electric wire is made of a nut and a lead terminal, which is inconvenient for the construction of the wiring-related parts because the wire is tightened and supported by the nut after winding the electric wire.

In addition, the wire wound on the nut is easily loosened during tightening to reduce the conductivity of the power applied from the outside, and because the support structure of the wire according to the above method is easily detached by an external impact, it causes the fire transmitter to malfunction. .

Therefore, the present invention has been devised to improve the above problems, and the first object of the present invention is to allow the pressing plate to be detached or combined from the front cover and to be restored to its original state by simple switch operation. It is to provide a fire transmitter to facilitate the operation.

The second object of the present invention is to use a slide type cover to open or close the recovery switch and / or telephone jack to the outside. It is to provide a fire transmitter to make this convenient.

A third object of the present invention is to provide a fire transmitter that can quickly connect an emergency call using either a dedicated telephone connection jack or a general telephone connection jack in an emergency.

A fourth object of the present invention is to improve the structure of the position indicator of the transmitter to provide a fire transmitter to ensure the position display of the transmitter.

The fifth object of the present invention is to provide a fire transmitter that can easily perform a wiring connection work by installing a socket to simplify the lead connection to the wiring connection terminal.

1 is a perspective view of the combination of the fire transmitter according to the present invention

2 is an exploded perspective view of a fire transmitter according to the present invention

3 is an exploded perspective view of the front cover of FIG.

4A and 4B are bottom and cross-sectional views of the transmitter position display window of FIG.

5 is an exploded perspective view of the middle panel of FIG.

6A and 6B are cross-sectional views illustrating an operating state of the elastic pressing plate of FIG.

7a and 7b is an operating state diagram for explaining the external lead wire connection operation by the action of the elastic fixing pin of FIG.

<Description of the symbols for the main parts of the drawings>

10: rear panel 11: lead wire groove

12: screw groove 20: front cover

21: pressing plate opening 22,38a: guide protrusion

23: keyway 24: opening

25: dedicated telephone connection jack 26: regular telephone connection jack

27: Transmitter position display window 27a, 33: Combined key

27b: Hanging jaw 27c: Plaid

28a, 28b, 38b: guide groove 30: slide cover

40: middle panel 41: elastic pressing plate

41a: fixing bar 41b: fixing protrusion

41c: locking bar 42: switch knob

43a, 43b, 44c: Bracket 44: Push plate recovery switch

44a: slide bar 44b: elastic spring

45,46: home 47: transmitter position indicator

50: auxiliary box 52: socket entry groove

60A: Terminal set for wiring connection 60B: Socket for wiring connection

61 housing 61a: wire inlet

62: elastic fixing pin 63: first metal plate

64 second metal plate 64a opening

65 lead wire 66 internal metal plate

In order to achieve the first object of the present invention, the front cover is formed by combining the front cover formed in the pressing plate opening on the rear panel for fixing the wall to form an enclosure, the button switch and emergency power for the operation of the fire alarm inside the enclosure; A fire transmitter comprising a wiring connector for telephone connection and an intermediate panel in which a circuit for generating an electrical signal related to a fire is mounted, wherein the intermediate panel is provided with a switch knob for interlocking the button switch. Protruding toward the cover side, and provided with a plurality of brackets for fixing the pressing plate and the recovery switch, and formed in a shape corresponding to the pressing plate opening of the front cover, assembled on the pressing plate opening part with one side fixed to the bracket on the middle panel. It is rotatably installed so that it can be separated, and when the button switch is operated by an external force An elastic pressing plate which is displaced or restored to an operation position for tightening; It is exposed on the outside of the front cover to enable the operation from the outside of the front cover is installed on the intermediate panel, and provided with a locking means for restraining or releasing one end of the elastic pressing plate by the locking operation of the elastic pressing plate Provided is a fire transmitter comprising a push plate recovery switch for sustaining or restoring a displacement state.

In order to achieve the second object of the present invention, the present invention further comprises a slide cover in the fire transmitter, which is slidably assembled in a partial region of the front cover to open or close the pressing plate recovery switch by the sliding operation. Provided, comprising a fire transmitter.

In order to achieve the third object, the present invention provides a dedicated telephone connection jack and a general telephone connection jack for connecting a dedicated telephone and a regular telephone to the front cover of the area which is opened and closed by the slide cover in the fire transmitter. And a common connection between the two telephone connection jacks and a wiring connection terminal for telephone connection of the middle panel.

In order to achieve the fourth object, the present invention, in the fire transmitter, a wiring connection terminal for indicating the position of the transmitter is provided in the circuit wiring of the intermediate panel, a transparent display window for position display is formed at the corresponding position of the front cover Characterized in that, provides a fire transmitter.

In order to achieve the fifth object of the present invention, the fire transmitter, a wire connection terminal set having a plurality of elastic fixing pins that can be fixed by inserting the wire in a one-touch manner using elastic, and the wiring connection Provided is a fire transmitter, characterized in that the socket for wiring connection is interposed removable by fitting to the terminal set for.

The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description.

Hereinafter, the configuration and operation of the present invention with reference to the accompanying drawings in detail as follows.

1 and 2 are perspective views showing the assembled state and the disassembled state of the fire transmitter according to the present invention, respectively, the fire transmitter according to the present invention is coupled to the front cover 20 to the rear panel 10 for fixing the wall FIG. Form an enclosure as shown in Figure 1, the front cover 20 of the enclosure is provided with a transmitter position display window 27 for displaying the position of the transmitter, and expose the elastic pressing plate 41 for the operation of the switch knob 42 One side of the front cover 20 is configured by mounting a slideable cover 30. And inside the enclosure, as shown in Figure 2 the middle panel 40 is mounted with a PCB board having a circuit wiring for generating an electrical signal related to the fire occurrence, and the PCB of the PCB mounted on the intermediate panel Auxiliary box 50 for protecting the parts is in turn incorporated.

The rear panel 10 is equipped with a button switch for the operation of the fire alarm and the terminal set 60A for wiring connection for emergency power and telephone connection, and the wire lead-in groove 11 through which the wire drawn from the wall can enter. And a plurality of screw grooves 12 for fixing the intermediate panel 40 and the auxiliary box 50 to the rear panel. Here, the wire connection terminal set 60A is provided with a plurality of elastic fixing pins 62 which can be fixed by inserting an electric wire in a one-touch manner using elasticity.

The auxiliary box 50 is formed by forming a socket inlet groove 52 through which a wiring connection socket 60B that can be attached and detached from the terminal wiring set 60A.

3 is an exploded perspective view of the front cover of FIG. 2, wherein the front cover 20 has a pressing plate opening 21 for attaching and detaching an elastic pressing plate, and a display window 27 for indicating the position of the transmitter. (27a) and the stiffening jaw (27b) and is provided by the corresponding key grooves, and the guide grooves (28a, 28b) and the guide projections 22 are formed in a portion of the front cover 20 and the grooves and A slide cover 30 is provided which slides while being guided along the protrusion. Of course, the slide cover is provided with a projection 38a and a groove 38b corresponding to the guide groove and the guide protrusion in order to smooth the sliding operation, as well as the slide cover 30 and the front cover. A plurality of coupling keys 33 and key grooves 23 corresponding thereto may be further provided to facilitate coupling with the 20. In particular, an opening portion 24, a dedicated telephone connection jack 25, and a general telephone connection jack 26 are formed in a partial region of the front cover 20, which is opened and closed by the slide cover 30. It would be desirable to configure such that it is normally closed by the slide cover 30 and open only in an emergency. Of course, the two telephone connection jacks are configured by common connection to a wiring connection terminal for telephone connection.

4A and 4B are bottom and cross-sectional views of the transmitter position display window of FIG. 3, wherein a plurality of grid patterns 27c are formed on an inner surface of the transmitter position display window 27 and a square pyramid-shaped groove is formed on each grid pattern. Configured to have, so that the light of the position indicator 27 installed in the intermediate panel can be emitted to the surroundings.

FIG. 5 is an exploded perspective view of the middle panel of FIG. 2, and FIGS. 6A and 6B are cross-sectional views illustrating an operation state of the elastic pressing plate. In the upper center of the middle panel 40, a button switch of a PCB substrate under the panel is provided. The switch knob 42 which can be interlocked is formed to protrude toward the front cover 20, and a plurality of brackets 43a, 43b and 44c are formed to mount the elastic pressing plate 41 and the pressing plate recovery switch 44. Configure it to be. In addition, the intermediate panel 40 is formed by forming grooves 45 and 46 corresponding to the dedicated telephone connection jack 25 and the general telephone connection jack 26 formed on the front cover 20, respectively.

In addition, the elastic pressing plate 41 is positioned on the upper portion of the switch knob 42 in the middle of the middle panel 40 so as to be operated by pressing the switch knob 42. The elastic pressing plate 41 is formed in a shape corresponding to the pressing plate opening 21 of the front cover 20 and has a fixing bar 41a and a locking bar 41c at each of the front and rear ends of the body. . At this time, the fixing bar (41a) may be made of one or a plurality, as shown in Figures 6a and 6b, the middle portion is bent upward or rounded structure (in the figure illustrates a rounding structure) When the elastic pressing plate 41 is pressed down to receive the force in the upward direction by the intermediate panel is configured to have a restoring force to the original position. In addition, the fixing protrusion 41b is integrally formed at the end of the fixing bar, and the fixing protrusion 41b is elastic with the fixing protrusion 41b fixed to the brackets 43a and 43b on the intermediate panel. As the pressing plate 41 moves up and down, the switch knob 42 is operated by pressing the switch knob 42 or the elastic pressing plate 41 is installed on the pressing plate opening 21 of the front cover 20 so as to be assembled or detached.

In addition, the pressing plate recovery switch 44 is installed on the middle panel 40 at a position where the front end of the elastic pressing plate corresponds to configure the locking bar 41c of the elastic pressing plate 41 to be interrupted or released. At this time, the pressing plate recovery switch 44 has a bracket 44c integrally formed on the middle panel, an elastic spring 44b having one end supported by the bracket, and one side supported by the elastic spring and opposite to the bracket. It is provided with a locking means composed of a slide bar (44a) for supporting and fixed and sliding while locking or releasing the locking bar (41c) of the elastic pressing plate (41). In particular, the slide bar (44a) of the pressing plate recovery switch 44 is installed to protrude to the front cover 20 side to be configured to be artificially manipulated from the outside of the front cover (20).

Here, the locking means constituting the pressing plate recovery switch 44 elastically supports and fixes the slide bar 44a to the bracket 44c, so that the elastic pressing plate may be formed by only the elasticity of the slide bar itself without using an elastic spring. Of course, the locking bar 41c of the 41 may be configured to be interrupted or released.

In addition, a groove is formed on the middle panel 40 of the area corresponding to the lower part of the transmitter position display window of the front cover to be electrically connected to the circuit wiring of the PCB board mounted on the rear thereof to indicate the installation position of the transmitter. A light indicator 47 is installed and configured, and a lower surface of the middle panel 40 is configured by mounting a wire connection socket 60B for corresponding coupling to a wire connection terminal set 60A of the rear panel.

7A and 7B are operation state diagrams for explaining the operation of connecting the external lead wire 65 by the action of the elastic fixing pin 62, wherein the wire connection terminal set 60A of FIG. 2 is connected to the wire connection socket 60B. It is shown in the state fitted tightly). As shown in the figure, the wiring connection socket 60B mounted on the middle panel 20 may be fitted while being tightly attached from the top to the bottom of the wiring connection terminal set 60A mounted on the rear panel 10. A coupling space is formed inside the wiring connection socket 60B so that the inner surface of the coupling space includes an internal metal plate 66 electrically connected to a circuit wiring of a PCB board mounted below the intermediate panel. Configure. In addition, a first metal plate 63 having a function of a leaf spring can be directly connected to the inner metal plate 66 of the wire connection socket 60B while the wire set terminal set 60A has a function of a leaf spring. And a second metal plate 64 adhered to and fixed to an upper surface of the other end of the first metal plate. At this time, the second metal plate 64 is fixed to one side end side by side in the longitudinal direction in parallel to the first metal plate 63 so that it can be supported by the first metal plate and at least one rounding part in the middle portion to form another The side end is supported by the first metal plate 63 and positioned to be adhesively fixed, but freely movable, and an elastic fixing pin 62 is positioned on an upper portion of the rounding part of the second metal plate 64. Here, the internal metal plate 66, the first metal plate 63, the second metal plate 64, and the elastic fixing pin 62 are installed in the number corresponding to the connection terminal to be wired, of course. The elastic fixing pin 62 is mounted on the rounding part of the second metal plate 64 and is partially supported by the housing 61 of the terminal set for wiring connection, which has a predetermined space therein, while the housing 61 is supported by the housing 61. Protruding outward by the pin insertion groove (not shown) formed in the) is installed so as to be elevated. In addition, an electric wire inlet 61a for inserting a lead wire 65 is formed on the front surface of the housing 61, and an opening for insertion of a lead wire 65 coming from the wire inlet 61a is formed in the second metal plate 64. It forms and comprises 64a.

The wire inlet 61a formed in the housing 61 may be formed by tapering a portion of the outer side in order to easily guide the wire drawing operation, and also may include an opening formed in the second metal plate 64. 64a) may be formed to have an inclined cross section in order to prevent separation of the drawn wire and to facilitate electrical contact.

Referring to the assembly process of the fire transmitter according to the present invention is configured as described above and the effects according to it as follows.

First, the terminal set 60a for wiring connection is mounted on the rear panel 10 fixed to the wall, and each lead wire drawn through the wire inlet 11 is connected to each corresponding terminal using the elastic fixing pin 62. do. In this case, the elastic fixing pin 62 is normally pushed upward by the elasticity of the rounded portion of the lower second metal plate 64 and the elasticity of the first metal plate 63 so that the terminal set for wiring connection ( It protrudes outside through the groove of 60A, and the electric wire inlet 61a of the terminal set housing 61 exists in a closed state.

On the other hand, when the operator presses the elastic fixing pin 62 to connect the lead wire, the second metal plate 64 is pushed downward and the opening 64a formed in the second metal plate 64 is connected to the terminal set housing ( The wire inlet 61a is opened at a position corresponding to the wire inlet 61a of 61. In such a state, when the lead wire is inserted through the open wire inlet 61a and the force holding the elastic fixing pin 62 is removed, the second metal plate 64 and the lead wire may be removed by the restoring force of the second metal plate 64. While the 65 is pushed upward together, the lead wire 65 is fixed, and the first metal plate 63 can be contacted. Here, when the wire inlet 61a formed in the terminal set housing 61 is tapered as shown in FIGS. 7A and 7B, the wire inlet operation can be easily guided, and the second metal plate 64 may be guided. When the opening 64a is formed to have an inclined cross-sectional structure, it is possible to prevent the detachment of the drawn wires as well as facilitate electrical contact.

Subsequently, the auxiliary box 50 having the socket inlet groove 52 through which the wire connection socket 60B detachable to the circuit wire connection terminal set 60A may be seated.

Next, a wiring connection socket 60B is mounted on the lower part of the middle panel 40 on which the PCB board is provided with the circuit wiring for generating an electrical signal related to the fire occurrence, and as shown in FIG. After attaching the elastic pressing plate 41 and the pressing plate recovery switch 44 as described above, the socket connection socket 60B is pushed down through the socket inlet groove 52 of the auxiliary box 50 to establish a terminal for wiring connection ( 60A) is inserted into the coupling space provided in the wiring connection socket 60B so that the intermediate panel 40 is seated on the auxiliary box 50 so that the socket can be easily coupled to the terminal set for wiring connection. At this time, since the inner surface of the inner coupling space of the wiring connection socket 60B has an internal metal plate 66 electrically connected to the circuit wiring of the PCB, the external lead wire fixed and coupled to the wire inlet 61a ( 65 may be electrically connected to the PCB board through the first metal plate 63 of the wire connection terminal set 60A and the inner metal plate 66 of the wire connection socket 60B. Here, the locking bar 41c of the elastic pressing plate 41 mounted on the middle panel is placed on the slide bar 44a of the pressing plate recovery switch 44, so that the elastic pressing plate 41 does not press the switch knob 42. Is not in a state.

Thereafter, the front cover 20 is connected to the dedicated telephone connection jack 25 and the general telephone connection jack 26 formed on the front cover 20 to the grooves 45 and 46 of the middle panel, respectively. By coupling to) it is possible to form an enclosure as shown in FIG. In this case, the slide cover 30 mounted on the front cover 20 includes guide grooves 28a and 28b and guide protrusions 22 of the front cover, and protrusions 38a and grooves corresponding to the guide grooves and the guide protrusions. The slide cover 30 is slid smoothly while being guided along 38b), and the slide cover 30 is coupled to the front cover 20 by a plurality of coupling keys 33 and corresponding key grooves 23.

In the assembled state, when power is applied, the elastic pressing plate 41 exposed to the center of the fire transmitter is normally present in the assembled state on the front cover 20 and the position indicator 47 therein operates. The light is efficiently transmitted through a transmitter position display window 27 assembled by a plurality of coupling keys 27a and a stiffening jaw 27b and a corresponding key groove, in particular, a square pyramid-shaped grid pattern 27c inside the display window. It is possible to display the position of the transmitter by the divergence, and the slide cover 30 installed on the front cover 20 is closed.

On the other hand, when an emergency occurs and the fire alarm is to be sounded, when the pressure is applied to the elastic pressing plate 41 exposed in the center of the front cover 20 by the fixing projection (41b) and brackets (43a, 43b) The elastic pressing plate 41, one side of which is fixed on the middle panel 40, is descended with the fixing protrusion 41b as an axis, and is separated from the lower side of the front cover to press the switch knob 42 to operate. This works. In addition, the locking bar 41c of the elastic pressing plate 41 is lowered while pushing the slide bar 44a of the pressing plate recovery switch 44 toward the elastic spring 44b. At this time, the elastic pressing plate 41 is subjected to a force that pushes the middle portion formed on the fixing bar 41a, that is, a structure portion bent or rounded upward from the middle panel 40 to the upper portion, but the elastic spring 44b Since the slide bar 44a, which has been repositioned by the restoring force of the stiffening force, locks the locking bar 41c of the elastic pressing plate 41, the elastic pressing plate 41 continues to be operated by pressing the switch knob 42. I will stay.

Along with this, the slide cover 30 is opened, and a dedicated phone or a general phone is connected to the dedicated phone connection jack 25 and the general phone connection jack 26 to notify the emergency or to perform a rescue request. .

Then, when the emergency is completed or it is confirmed that the alarm is caused by the mischief of the children and a recovery operation is necessary, the worker opens the slide cover 30 to expose the pressing plate recovery switch 44 to the outside, and then the slide bar 44a. To the elastic spring 44b to release the locking bar 41c intermittent state of the elastic pressing plate 41. Accordingly, the elastic pressing plate 41 is applied by the force acting on the fixing bar 41a of the elastic pressing plate 41 from the middle panel 40, that is, the force acting on the middle portion of the bent or rounded structure upward. Since the force is pushed to the upper portion, the pressing force of the switch knob 42 while removing the fixed projection (41b) as the axis is removed, so the operation of the switch knob 42 of the intermediate panel 40 is stopped. At this time, the elastic pressing plate 41 is able to return to the state before being pressed while being assembled to the pressing plate opening 21 of the front cover 20 again.

According to the present invention, it is possible to easily recover without using a device such as a screwdriver, so that it can be restored to its original state by a simple switch operation without being completely detached from the front cover of the fire plate of the fire transmitter, and the recovery operation can be promptly processed. There is an advantage to this.

In addition, the present invention uses a slide type cover to open or close the recovery switch and / or telephone jack to the outside. In general, the cover is used to cover the cover to clean the exterior and to recover the press plate in case of emergency. There is an advantage to make this convenient.

In addition, the present invention has the advantage that the wiring connection work for supporting and fixing the wire can be handled firmly and simply by the lifting operation of the elastic fixing pin to facilitate the construction work of the wiring-related parts.

In addition, the present invention can be connected to the emergency call quickly by using either one of the dedicated telephone connection jack or ordinary telephone connection jack in case of emergency, so even if the dedicated telephone connection jack is not provided, it is possible to make a quick contact by using the ordinary telephone. have.

In addition, the present invention has the advantage that it is possible to efficiently emit the light from the position indicator of the transmitter to ensure the position display of the transmitter can be made to increase the effectiveness of the fire transmitter in an emergency.

Claims (10)

The rear cover for fixing the wall is combined with the front cover that forms the pressing plate opening to form an enclosure, and the button switch for the operation of the fire alarm and the wiring connector for the emergency power and telephone connection and the occurrence of fire in the interior of the enclosure. In a fire transmitter configured by mounting an intermediate panel with a circuit for generating an electrical signal, Forming the switch knob for interlocking the button switch in the middle panel protrudes toward the front cover side, and forms a plurality of brackets for fixing the pressing plate and the recovery switch, One end is fixedly installed to the bracket on the middle panel so that the pressing plate opening portion of the front cover can be assembled correspondingly, and is displaced from the pressing plate opening portion by an external force and displaced to an operation position for operating the button switch. An elastic pressing plate to be restored; A part of the body is exposed to the outside so as to be manipulated from the outside of the front cover and installed on the intermediate panel, and having locking means for restraining or releasing the other end of the elastic pressing plate which is not fixed to the bracket. And a pressure plate recovery switch for continuing or restoring the displacement state of the elastic pressure plate by operation. The method of claim 1, And a slide cover slidably assembled to the front cover to open and close an installation area of the pressing plate recovery switch exposed to the outside of the front cover. The method of claim 2, A dedicated telephone connection jack and a general telephone connection jack for connecting a dedicated telephone and a regular telephone respectively to the front cover of an area opened and closed by the slide cover, and the two telephone connection jacks are connected to a wiring connection terminal for telephone connection of the middle panel. Fire transmitter characterized in that the common connection. The method according to claim 1 or 2, The elastic pressing plate is formed in a shape corresponding to the pressing plate opening of the front cover, the fire transmitter, characterized in that provided with a locking bar and a locking bar on each of the rear end and the front end of the body. The method of claim 4, wherein The fixing bar is a fire transmitter, characterized in that formed in a structure that is bent or rounded upward in the middle portion. The method according to claim 1 or 2, A wiring connection terminal for indicating a transmitter position is provided on the circuit wiring of the middle panel, and a transmitter position indicator which is electrically connected to the wiring connection terminal is built-in, and the corresponding position of the transmitter position indicator of the front cover provides light emission. A fire transmitter, characterized in that the transparent display window for displaying the position of the grid pattern to facilitate. The method according to claim 1 or 2, The rear panel includes a wire connection terminal set for electrical connection of a plurality of lead wires drawn from the outside, and is fitted and coupled to the wire connection terminal set to electrically correspond to the circuit wiring of the middle panel and the multiple lead wires, respectively. Fire transmitter, characterized in that the socket for wiring connection is provided in the intermediate panel. The method of claim 7, wherein And a plurality of elastic fixing pins provided at the wire connection terminal set to fix the external lead wire in a one-touch manner using elasticity. According to claim 1 or claim 2, The pressing plate recovery switch, An elastic spring having one end supported by a bracket integrally formed on the intermediate panel; One side is supported by the elastic spring and the other side is supported and fixed by the bracket and the fire transmitting device comprising a locking means consisting of a slide bar for controlling or releasing one side of the elastic pressing plate. According to claim 1 or claim 2, The pressing plate recovery switch, One end is elastically supported and fixed to the bracket integrally formed on the middle panel, the fire transmitter comprising a locking means consisting of a slide bar to clamp or release one side of the elastic pressing plate while sliding using its own elasticity .