CN212752329U - Fire-fighting telephone communication equipment - Google Patents
Fire-fighting telephone communication equipment Download PDFInfo
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- CN212752329U CN212752329U CN202022222569.6U CN202022222569U CN212752329U CN 212752329 U CN212752329 U CN 212752329U CN 202022222569 U CN202022222569 U CN 202022222569U CN 212752329 U CN212752329 U CN 212752329U
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Abstract
The utility model relates to a fire control telephone communication equipment belongs to fire control facility technical field, including phone body and the telephone receiver of being connected with phone body electricity, be equipped with the phone support on the phone body, be equipped with the recess on the phone body, be equipped with the connecting rod in the recess, the one end phone body of connecting rod is articulated, and the other end of connecting rod is equipped with the connection rope, connect the one end and the telephone receiver fixed connection that the connecting rod was kept away from to the rope, be equipped with pressure alarm module in the recess, pressure alarm module is located the below of connecting rod. The application has the effect that the staff of being convenient for discovers that the telephone receiver drops.
Description
Technical Field
The application relates to the technical field of fire-fighting facilities, in particular to a fire-fighting telephone communication device.
Background
The fire-fighting telephone system is a special device for fire-fighting communication, can provide a convenient and quick communication means when a fire alarm occurs, is an indispensable communication device in a fire-fighting control and alarm system thereof, and is an important component in an automatic fire-fighting alarm telephone system.
Chinese patent with publication number CN210609312U discloses a fire-fighting telephone with false touch prevention, which comprises a telephone body and a telephone receiver electrically connected with the telephone body, wherein the telephone body is provided with a telephone support, the telephone body is provided with a groove, the bottom of the groove is provided with a touch switch, when the touch switch is pressed, the communication of the telephone body is closed, the groove is internally and slidably connected with a sliding block, one end of the sliding block, which is far away from the touch switch, is flush with the surface of the telephone support, the telephone receiver is fixedly connected with a protrusion, and when the telephone receiver is hung on the telephone support, the protrusion pushes the sliding block to enable the sliding block to abut against the touch switch.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the telephone receiver accidentally falls, the worker does not find in time that the sliding block leaves the touch switch, so that the normal use of the fire-fighting telephone is influenced.
SUMMERY OF THE UTILITY MODEL
In order to facilitate workers to find out the condition that a telephone receiver falls, the fire-fighting telephone communication equipment is provided.
The fire-fighting telephone communication equipment adopts the following technical scheme that:
the utility model provides a fire control telephone communications facilities, includes phone body and the telephone earphone of being connected with phone body electricity, be equipped with the phone support on the phone body, be equipped with the recess on the phone body, be equipped with the connecting rod in the recess, the one end phone body of connecting rod is articulated, and the other end of connecting rod is equipped with the connection rope, the one end and the telephone earphone fixed connection of connecting rod are kept away from to the connection rope, are equipped with pressure alarm module in the recess, pressure alarm module is located the below of connecting rod.
Through adopting above-mentioned technical scheme, the telephone receiver hangs at ordinary times at the phone support, when the telephone receiver takes place the accident and drops, under the effect of telephone receiver self gravity, the telephone receiver pulls the connection rope, connects the rope and pulls the connecting rod, makes the connecting rod push down pressure alarm module, and pressure alarm module sends out the police dispatch newspaper after detecting the pressure that the connecting rod pushed down, and the staff of being convenient for discovers the condition that the telephone receiver dropped.
Preferably, the pressure alarm module comprises a pressure detection unit, a control unit and an alarm unit, wherein the pressure detection unit is used for detecting the pressure of the downward pressing of the connecting rod and outputting a detection signal, the control unit is used for receiving the detection signal and outputting a control signal, and the alarm unit is used for receiving the control signal and giving an alarm.
Through adopting above-mentioned technical scheme, when the connecting rod pushed down, the connecting rod extrusion pressure detecting element, pressure detecting element output detected signal, control unit receives output control signal behind the detected signal, and alarm unit receives control signal and reports to the police, and the staff of being convenient for discovers the condition that the telephone receiver dropped.
Preferably, the pressure detection unit includes pressure sensor, first resistance R1 and comparator N, pressure sensor is located the recess and is located the below of connecting rod, and pressure sensor's input and power VCC connect, and pressure sensor and comparator N's in-phase input end are connected, first resistance R1's one end and comparator N's in-phase input end are connected, and the other end ground connection, comparator N's inverting input end and reference voltage Vf connect, and comparator N's output and the control unit are connected.
Through adopting above-mentioned technical scheme, pressure sensor is extruded to the connecting rod, can produce the resistance change on the pressure sensor, and the resistance grow makes comparator N homophase input's input voltage be greater than the reference voltage of inverting input, and comparator N output detected signal gives the control unit.
Preferably, the control unit comprises a 555 timer, a triode Q and a relay KM, wherein the input end of the 555 timer is connected with the output end of the comparator N, the output end of the 555 timer is connected with the base electrode of the triode Q, the collector electrode of the triode Q is connected with a power VCC, the emitter electrode of the triode Q is connected with one end of the relay KM, the other end of the relay KM is grounded, and the relay KM is used for controlling the on-off of the alarm unit.
By adopting the technical scheme, the comparator N outputs a detection signal to the 555 timer, the 555 timer is started and times, after the preset time is reached, the 555 timer outputs a high level to the base electrode of the triode Q, the triode Q is conducted, the relay KM is electrified, and the relay KM is used for powering on and off the alarm unit.
Preferably, the alarm unit comprises a second resistor R2 and a buzzer HA, one end of the second resistor R2 is connected with the power supply VCC, the other ends of the buzzer HA and the second resistor R2 are connected in series and then grounded, and a normally open switch KM1 of the relay KM is connected with the buzzer HA and the second resistor R2 respectively.
Through adopting above-mentioned technical scheme, after relay KM got the electricity, normally open switch KM1 actuation, the circuit at bee calling organ HA place switches on, and bee calling organ HA sounds and reports to the police, and the staff of being convenient for discovers the condition that the telephone receiver dropped.
Preferably, a bump is arranged on the connecting rod and is positioned above the pressure sensor.
Through adopting above-mentioned technical scheme, when the telephone receiver accident took place to drop, the connecting rod was dragged to the connecting rope, made the connecting rod rotate downwards, and the lug pushed down pressure sensor, and pressure is concentrated, and the pressure sensor of being convenient for detects the lug pressure of pushing down.
Preferably, the middle part of the connecting rod is provided with a spring, one end of the spring is fixedly connected with the connecting rod, and the other end of the spring is fixedly connected with the inner wall of the groove.
By adopting the technical scheme, the telephone receiver is hung on the telephone support, and the elastic force of the spring enables the convex block to be away from the pressure sensor, so that the false alarm condition can be reduced. When the telephone receiver accidentally drops, the telephone receiver pulls the connecting rope under the action of the gravity of the telephone receiver, the connecting rope pulls the connecting rod, the spring is compressed, the bump presses the pressure sensor downwards, and the comparator N outputs a detection signal to the control unit.
Preferably, the notch of recess is equipped with the apron, apron and phone body fixed connection, the apron is equipped with the strip hole that supplies to connect the rope and wear out.
Through adopting above-mentioned technical scheme, through setting up the apron, the apron plays the guard action, reduces the condition that foreign object runs into pressure sensor.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the telephone receiver accidentally drops, the telephone receiver pulls the connecting rope under the action of the gravity of the telephone receiver, the connecting rope pulls the connecting rod, the connecting rod is enabled to press the pressure alarm module, the pressure alarm module sends out an alarm after detecting the pressing pressure of the connecting rod, and the worker can conveniently find the dropping condition of the telephone receiver.
2. The telephone receiver is hung on the telephone support, and the elastic force of the spring enables the convex block to be away from the pressure sensor, so that the false alarm condition can be reduced.
Drawings
FIG. 1 is a schematic structural diagram of a fire fighting telephone communication device according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of the phone body at the location of the recess;
fig. 3 is a circuit diagram of a pressure alarm module.
Description of reference numerals: 1. a phone body; 11. a phone holder; 12. a telephone handset; 13. a groove; 2. a connecting rod; 21. a spring; 22. a bump; 3. connecting ropes; 4. a cover plate; 41. a strip-shaped hole; 5. a pressure detection unit; 6. a control unit; 7. an alarm unit; 8. a pressure sensor.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a fire-fighting telephone communication device. Referring to fig. 1, the fire-fighting telephone communication device includes a telephone body 1, a telephone holder 11 is disposed on a front surface of the telephone body 1, a telephone receiver 12 is disposed on the telephone holder 11, and the telephone receiver 12 is electrically connected to the telephone body 1.
Referring to fig. 1 and 2, a groove 13 is formed in the side surface of the phone body 1, a connecting rod 2 is arranged in the groove 13, and the connecting rod 2 is a square rod. One end of the connecting rod 2 far away from the notch of the groove 13 is hinged to the phone body 1, the middle of the connecting rod 2 is provided with a spring 21, the spring 21 is vertically placed, one end of the spring 21 is fixedly connected with the connecting rod 2, and the other end of the spring is fixedly connected with the inner wall of the groove 13. The bottom surface of the connecting rod 2 is provided with a projection 22, and the projection 22 is positioned on one side of the spring 21 close to the notch of the groove 13. Connecting rod 2 is close to the end fixing of recess 13 notch and is connected rope 3, connects rope 3 and stretches out from recess 13, connects rope 3 and keeps away from connecting rod 2's one end and telephone earphone 12 fixed connection, and the length of connecting rope 3 can be selected according to actual conditions. A pressure alarm module is arranged in the groove 13.
When the telephone receiver 12 accidentally drops, under the action of the gravity of the telephone receiver 12, the telephone receiver 12 pulls the connecting rope 3, the connecting rope 3 pulls the connecting rod 2, the connecting rod 2 rotates downwards, the spring 21 is compressed, and the convex block 22 extrudes the pressure alarm module.
Be provided with apron 4 on the notch of recess 13, apron 4 passes through screw and 1 fixed connection of phone body, has seted up bar hole 41 on the apron 4, and the length of bar hole 41 is greater than the width of recess 13 notch, connects rope 3 and wears out from bar hole 41. Through setting up apron 4, apron 4 plays the guard action, reduces that foreign object from touching pressure alarm module.
Referring to fig. 3, the pressure alarm module includes a pressure detection unit 5, a control unit 6 and an alarm unit 7, the pressure detection unit 5 is used for detecting the pressure of the connection rod 2 pressing down and outputting a detection signal, the control unit 6 is used for receiving the detection signal and outputting a control signal, and the alarm unit 7 is used for receiving the control signal and giving an alarm.
In this embodiment, the pressure detecting unit 5 includes a pressure sensor 8, a first resistor R1 and a comparator N, the pressure sensor 8 is fixed in the groove 13 and located below the bump 22, an input terminal of the pressure sensor 8 is connected to the power source VCC, the pressure sensor 8 is connected to a non-inverting input terminal of the comparator N, one end of the first resistor R1 is connected to the non-inverting input terminal of the comparator N, the other end is grounded, and an inverting input terminal of the comparator N is connected to the reference voltage Vf.
In this embodiment, the control unit 6 includes a 555 timer, a transistor Q, and a relay KM, an input terminal of the 555 timer is connected to an output terminal of the comparator N, and an output terminal of the 555 timer is connected to a base terminal of the transistor Q. The triode Q is an NPN triode, a collector of the triode Q is connected with a power supply VCC, an emitter of the triode Q is connected with one end of the relay KM, and the other end of the relay KM is grounded.
In this embodiment, the alarm unit 7 includes a second resistor R2 and a buzzer HA, one end of the second resistor R2 is connected to the power source VCC, the other end is connected to the normally open contact of the normally open switch KM1 of the relay KM, one end of the buzzer HA is connected to the normally open switch KM1, and the other end is grounded.
In a normal state, the pressure sensor 8 is not squeezed, the input voltage of the non-inverting input end of the comparator N is smaller than the reference voltage of the inverting input end, the comparator N does not output a detection signal, the 555 timer is not started, the relay KM is not electrified, the normally open switch KM1 is in a disconnected state, a circuit where the buzzer HA is located is disconnected, and the buzzer HA does not give an alarm.
When lug 22 extrusion pressure sensor 8, the resistance grow that pressure sensor 8 corresponds, pressure sensor 8's partial pressure grow, the input voltage of comparator N homophase input end is greater than the reference voltage of opposition input end, comparator N output detected signal gives the 555 timer, the 555 timer starts and times, reach after the scheduled time, 555 timer outputs a high level and gives triode Q's base, triode Q switches on, relay KM is electrified, normally open switch KM1 actuation, the circuit at bee calling organ HA place switches on, bee calling organ HA sounds and reports to the police. The alarm sound of the buzzer can be selected according to actual conditions and can be distinguished from other alarm sounds.
The implementation principle of the fire-fighting telephone communication equipment in the embodiment of the application is as follows: when 12 happened the accident and dropped when telephone receiver 12, under the effect of 12 self-gravity of telephone receiver, 12 pulling connection rope 3 of telephone receiver, connection rope 3 pulling connection rod 2, spring 21 is compressed, lug 22 extrudes pressure sensor 8, pressure sensor 8's partial pressure grow, the input voltage of comparator N homophase input end is greater than the reference voltage of opposition input end, comparator N output detected signal gives the 555 timer, the 555 timer starts and times, reach after the scheduled time, 555 timer outputs a high level for triode Q's base, triode Q switches on, relay KM is electrified, normally open switch KM1 actuation, the circuit at bee calling organ HA place switches on, bee calling organ HA sounds and reports to the police, the staff of being convenient for discovers the condition that telephone receiver 12 dropped.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a fire control telephone communication equipment, includes phone body (1) and telephone earphone (12) of being connected with phone body (1) electricity, be equipped with phone support (11) on phone body (1), its characterized in that: be equipped with recess (13) on phone body (1), be equipped with connecting rod (2) in recess (13), one end phone body (1) of connecting rod (2) is articulated, and the other end of connecting rod (2) is equipped with connects rope (3), connect one end and telephone receiver (12) fixed connection that connecting rod (2) were kept away from in rope (3), be equipped with pressure alarm module in recess (13), pressure alarm module is located the below of connecting rod (2).
2. A fire fighting telephony communication device as recited in claim 1, wherein: the pressure alarm module comprises a pressure detection unit (5), a control unit (6) and an alarm unit (7), wherein the pressure detection unit (5) is used for detecting the pressure of the downward pressing of the connecting rod (2) and outputting a detection signal, the control unit (6) is used for receiving the detection signal and outputting a control signal, and the alarm unit (7) is used for receiving the control signal and giving an alarm.
3. A fire fighting telephony communication device as claimed in claim 2, wherein: pressure detecting element (5) include pressure sensor (8), first resistance R1 and comparator N, pressure sensor (8) are located recess (13) and are located the below of connecting rod (2), and the input and the power VCC of pressure sensor (8) are connected, and pressure sensor (8) and comparator N's in-phase input end are connected, the one end of first resistance R1 and comparator N's in-phase input end are connected, and the other end ground connection, comparator N's inverting input end and reference voltage Vf are connected, and comparator N's output and control unit (6) are connected.
4. A fire fighting telephony communication device as claimed in claim 3, wherein: the control unit (6) comprises a 555 timer, a triode Q and a relay KM, wherein the input end of the 555 timer is connected with the output end of the comparator N, the output end of the 555 timer is connected with the base electrode of the triode Q, the collector electrode of the triode Q is connected with a power VCC, the emitter electrode of the triode Q is connected with one end of the relay KM, the other end of the relay KM is grounded, and the relay KM is used for controlling the on-off of the alarm unit (7).
5. A fire fighting telephony communication device as claimed in claim 4, wherein: the alarm unit (7) comprises a second resistor R2 and a buzzer HA, one end of the second resistor R2 is connected with a power supply VCC, the other ends of the buzzer HA and the second resistor R2 are connected in series and then grounded, and a normally open switch KM1 of the relay KM is connected with the buzzer HA and the second resistor R2 respectively.
6. A fire fighting telephony communication device as claimed in claim 3, wherein: the connecting rod (2) is provided with a convex block (22), and the convex block (22) is positioned above the pressure sensor (8).
7. A fire fighting telephony communication device as claimed in claim 6, wherein: the middle part of connecting rod (2) is equipped with spring (21), the one end and the connecting rod (2) fixed connection of spring (21), the inner wall fixed connection of the other end and recess (13).
8. A fire fighting telephony communication device as claimed in claim 6, wherein: the notch of recess (13) is equipped with apron (4), apron (4) and phone body (1) fixed connection, apron (4) are equipped with and supply to connect strip hole (41) that rope (3) wore out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222569.6U CN212752329U (en) | 2020-10-08 | 2020-10-08 | Fire-fighting telephone communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222569.6U CN212752329U (en) | 2020-10-08 | 2020-10-08 | Fire-fighting telephone communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212752329U true CN212752329U (en) | 2021-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022222569.6U Active CN212752329U (en) | 2020-10-08 | 2020-10-08 | Fire-fighting telephone communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212752329U (en) |
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2020
- 2020-10-08 CN CN202022222569.6U patent/CN212752329U/en active Active
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