CN220123062U - Fire control broadcast speaker - Google Patents
Fire control broadcast speaker Download PDFInfo
- Publication number
- CN220123062U CN220123062U CN202223259805.7U CN202223259805U CN220123062U CN 220123062 U CN220123062 U CN 220123062U CN 202223259805 U CN202223259805 U CN 202223259805U CN 220123062 U CN220123062 U CN 220123062U
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- Prior art keywords
- base
- power supply
- motor
- speaker
- turntable
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Fire Alarms (AREA)
Abstract
The utility model discloses a fire-fighting broadcast loudspeaker, which comprises a base, and further comprises a broadcasting mechanism, wherein the broadcasting mechanism is arranged at the top of the base, the broadcasting mechanism comprises a turntable, a mounting cover, a loudspeaker, a motor and a speed reducer, the turntable is arranged at the top of the base, the mounting cover is arranged at the top of the turntable, the base is connected with the mounting cover through the turntable, the loudspeaker is arranged on one side of the surface of the mounting cover, the motor is arranged in the base, when the loudspeaker operates, the motor operates synchronously, the power output end of the motor rotates to drive the turntable and the mounting cover to rotate after being decelerated by the speed reducer, so that the loudspeaker rotates synchronously and slowly, sound waves are uniformly spread in different directions, the propagation quality of the sound waves is improved, and the broadcasting warning effect is improved.
Description
Technical Field
The utility model relates to the technical field of fire control broadcasting, in particular to a fire control broadcasting loudspeaker.
Background
The fire control broadcasting is a broadcasting device which is arranged in public places such as communities, schools, hospitals and squares and is used for carrying out fire control warning, and warning sound can be played to remind people to evacuate when fire and other conditions occur.
The traditional fire control broadcasting system has the following disadvantages when in use: 1. the traditional fire-fighting system loudspeaker part is generally of a fixed installation structure, sound waves can only be emitted in a single direction when the fire-fighting system loudspeaker is used, the sound sizes and the propagation distances in the other directions are crossed, the cost of installing the loudspeaker in multiple directions is high, and the fault rate is high; 2. the traditional loudspeaker is generally powered by mains supply, and the normal use of the loudspeaker can be influenced when a circuit is damaged due to fire, so that a fire-fighting broadcast loudspeaker is provided.
Disclosure of Invention
The utility model mainly aims to provide a fire-fighting broadcast loudspeaker which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a fire control broadcast speaker, includes the base, still includes broadcast mechanism and power supply unit, broadcast mechanism is installed at the base top, broadcast mechanism includes revolving stage, installation cover, speaker, motor and reduction gear, the revolving stage is installed at the base top, the installation cover is installed at the revolving stage top, the base is connected with the installation cover through the revolving stage, the speaker is installed to installation cover surface side, base internally mounted has the motor, the reduction gear is installed to motor power take off, motor power take off is connected with revolving stage power input through the reduction gear, base internally mounted has power supply unit, power supply unit includes warning light, power, coulomb meter, power supply switch, controller and smoke transducer, base internally mounted has the power, coulomb meter is installed to power source one side, power supply switch is installed to power surface one side, the controller is installed to base inner wall one side, smoke transducer is installed to the base outer wall.
Further, the bottom of the base is provided with an installation cavity, and both sides of the bottom end of the base are provided with threaded holes; the mounting cavity is used for being sleeved outside the mounting body, and the position of the device can be fixed by screwing the fastener through the threaded hole.
Further, a warning lamp is arranged at the top of the base, and the power supply current output end is connected with the warning lamp through a power supply switch; the warning lamp shines when the conflagration, plays supplementary warning effect.
Further, the coulombmeter is connected with the power supply in series, the controller is connected with the control end of the power supply switch, and the signal output end of the smoke sensor is connected with the signal input end of the controller; the automatic operation of the device is realized through the cooperation of the components.
Compared with the prior art, the utility model has the following beneficial effects: the top of the base is connected with the mounting cover through the turntable, the bottom of the turntable is mounted in the bearing, the turntable can rotate at the top of the base, the loudspeaker is mounted on one side of the surface of the mounting cover, when the loudspeaker operates, the motor operates synchronously, the power output end of the motor rotates to drive the turntable and the mounting cover to rotate after being decelerated by the speed reducer, and then the loudspeaker rotates synchronously and slowly, so that sound waves are uniformly spread in different directions, sound wave propagation quality is improved, and further the broadcasting warning effect is improved; the power supply is internally used for storing electric energy and is connected with the mains supply in a normal state, a current check resistor is connected in series with the anode and the cathode of the power supply, the electric quantity change of the power supply can be calculated by detecting when current flows through the resistor, the electric quantity change is transmitted to the controller, the power supply switch is turned on when the electric quantity change is reduced to a limit value, the mains supply is used for charging the power supply, when a fire disaster or smoke sensor detects a smoke signal, the controller controls the power supply switch to be turned on, the power supply supplies power for components such as an electric motor and a loudspeaker, normal use of the loudspeaker under the condition that the mains supply is disconnected is ensured, and the safety of the device is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a fire-fighting broadcast speaker according to the present utility model.
Fig. 2 is a schematic view of the internal structure of a base of a fire-fighting broadcast speaker according to the present utility model.
Fig. 3 is a schematic view of the installation cavity structure of a fire-fighting broadcast speaker according to the present utility model.
In the figure: 1. a base; 101. a mounting cavity; 102. a threaded hole; 2. a broadcasting mechanism; 201. a turntable; 202. a mounting cover; 203. a speaker; 204. a motor; 205. a speed reducer; 3. a power supply mechanism; 301. a warning light; 302. a power supply; 303. a coulombmeter; 304. a power supply switch; 305. a controller; 306. a smoke sensor.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a fire-fighting broadcast speaker comprises a base 1, and further comprises a broadcasting mechanism 2 and a power supply mechanism 3, wherein the broadcasting mechanism 2 is installed at the top of the base 1, the broadcasting mechanism 2 comprises a turntable 201, a mounting cover 202, a loudspeaker 203, a motor 204 and a speed reducer 205, the turntable 201 is installed at the top of the base 1, the mounting cover 202 is installed at the top of the turntable 201, the base 1 is connected with the mounting cover 202 through the turntable 201, the loudspeaker 203 is installed on one side of the surface of the mounting cover 202, the motor 204 is internally installed in the base 1, the speed reducer 205 is installed at the power output end of the motor 204, the power output end of the motor 204 is connected with the power input end of the turntable 201 through the speed reducer 205, the power supply mechanism 3 is internally installed in the base 1, the power supply mechanism 3 comprises a warning lamp 301, a power supply 302, a coulombmeter 303, a power supply switch 304, a controller 305 and a smoke sensor 306, the coulombmeter 303 is installed on one side of the power supply 302, the power supply switch 304 is installed on one side, the other side of the power supply 302 is installed on the surface of the base 1, the controller 305 is installed on the inner wall of the base 1, and the smoke sensor 306 is installed on the outer wall of the base 1.
Wherein, the bottom of the base 1 is provided with an installation cavity 101, and both sides of the bottom end of the base 1 are provided with threaded holes 102; the mounting cavity 101 is adapted to be nested outside the mounting body and the device position is secured by threading fasteners through the threaded holes 102.
The top of the base 1 is provided with a warning lamp 301, and the current output end of the power supply 302 is connected with the warning lamp 301 through a power supply switch 304; the warning lamp 301 flashes when a fire occurs, and plays an auxiliary warning role.
The coulometer 303 is connected in series with the power supply 302, the controller 305 is connected with the control end of the power supply switch 304, and the signal output end of the smoke sensor 306 is connected with the signal input end of the controller 305; the automatic operation of the device is realized through the cooperation of the components.
It should be noted that, when the fire-fighting broadcast speaker is used, the top of the base 1 is connected with the installation cover 202 through the turntable 201, the bottom of the turntable 201 is installed in the bearing, so that the turntable 201 can rotate at the top of the base 1, the speaker 203 is installed on one side of the surface of the installation cover 202, when the speaker 203 operates, the motor 204 operates synchronously, the power output end rotates to drive the turntable 201 and the installation cover 202 to rotate after being decelerated by the speed reducer 205, further, the speaker 203 rotates synchronously and slowly, so that sound waves are uniformly dispersed in different directions, the sound wave propagation quality is improved, the broadcasting warning effect is improved, the power supply 302 is internally used for storing electric energy, the power supply 302 is normally connected with mains supply, the coulombmeter 303 is connected with a current check resistor in series at the positive pole and the negative pole of the power supply 302, the change of the power supply 302 can be calculated by detecting when current flows through the resistor, and is transmitted to the controller 305, when the current flows to the limit value, the power supply switch 304 is started, the power supply 302 is monitored to charge the interior of the power supply 302, when a fire or smoke sensor 306 is started, the signal is generated, the controller 304 controls the power supply switch 302 to uniformly spread in different directions, the power supply 204 is started, and the safety of the power supply is ensured, and the safety of the power supply is normally opened, and the safety of the power supply is ensured.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a fire control broadcast speaker, includes base (1), its characterized in that still includes broadcast mechanism (2) and power supply mechanism (3), broadcast mechanism (2) are installed at base (1) top, broadcast mechanism (2) include revolving stage (201), installation cover (202), speaker (203), motor (204) and reduction gear (205), revolving stage (201) are installed at base (1) top, installation cover (202) are installed at revolving stage (201) top, base (1) are connected with installation cover (202) through revolving stage (201), speaker (203) are installed to installation cover (202) surface side, base (1) internally mounted has motor (204), reduction gear (205) are installed to motor (204) power take off end, motor (204) power take off end is connected with revolving stage (201) power input end through reduction gear (205), power supply mechanism (3) are installed to base (1) internally, power supply mechanism (3) include warning light (301), power supply (303), coulometer (304), power supply switch (304) and smoke transducer (306) are installed to base (1) internally mounted, coulomb meter (303) is installed to power (302) one side, power supply switch (304) is installed to power (302) surface one side, controller (305) are installed to base (1) inner wall one side, smoke transducer (306) are installed to base (1) outer wall.
2. A fire fighting broadcast speaker as in claim 1, wherein: the base (1) bottom has offered installation cavity (101), screw hole (102) have all been offered to base (1) bottom both sides.
3. A fire fighting broadcast speaker as in claim 2, wherein: the warning lamp (301) is installed at the top of the base (1), and the current output end of the power supply (302) is connected with the warning lamp (301) through the power supply switch (304).
4. A fire fighting broadcast speaker as in claim 2, wherein: the coulometer (303) is connected with the power supply (302) in series, the controller (305) is connected with the control end of the power supply switch (304), and the signal output end of the smoke sensor (306) is connected with the signal input end of the controller (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223259805.7U CN220123062U (en) | 2022-12-06 | 2022-12-06 | Fire control broadcast speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223259805.7U CN220123062U (en) | 2022-12-06 | 2022-12-06 | Fire control broadcast speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220123062U true CN220123062U (en) | 2023-12-01 |
Family
ID=88896429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223259805.7U Active CN220123062U (en) | 2022-12-06 | 2022-12-06 | Fire control broadcast speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220123062U (en) |
-
2022
- 2022-12-06 CN CN202223259805.7U patent/CN220123062U/en active Active
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