CN209897065U - Explosion-proof fire-fighting emergency broadcasting device - Google Patents

Abstract

The utility model discloses an explosion-proof fire control emergency broadcasting device, including the procapsid, the one end of procapsid is fixed with the horn, the oscillator protection casing is installed to the other end of horn, one side of oscillator protection casing is provided with ventilative biography sound hole, the inside of oscillator protection casing is provided with the mounting groove, dustproof curtain has been placed to the inside of mounting groove, the bottom mounting of dustproof curtain has the fixed plate, the surface mounting of procapsid has the support, the procapsid passes through fastening screw with the support and fixes, the internally mounted of procapsid has thermal-insulated ring, the inboard of thermal-insulated ring is fixed with the baffle, the other end of procapsid is fixed with the back casing, the back casing is including crossing the cab apron, cross the one end of cab apron and install the connecting. The utility model discloses a series of structures can realize the integrity to the oscillator in the horn, guarantee that equipment internals is not damaged by high temperature, simple structure, convenient to use.

Description

Explosion-proof fire-fighting emergency broadcasting device

Technical Field

The utility model relates to an explosion-proof fire-fighting equipment technical field specifically is an explosion-proof fire control emergency broadcasting device.

Background

Along with the rapid development of social economy, the fire emergency broadcasting system is important equipment for fire evacuation and fire extinguishing command, and plays a very important role in the whole fire control management system, when a fire occurs, an emergency broadcasting signal sound source device sends out, a power amplifier amplifies the signal, a module is switched to a sound box in a designated area to realize emergency broadcasting, the fire emergency broadcasting device mainly comprises the sound source device, the power amplifier, an output module, a sound box and other devices, and has the main function of providing a rapid and quick information transmission channel, broadcasting information is issued at the first time when the fire occurs, the fire information or possible damage caused by the fire is transmitted to the hands of people, people are evacuated in time, the life safety of people is ensured, and the loss of lives and properties is reduced to the minimum.

However, when the existing explosion-proof fire-fighting emergency broadcasting device is used, the vibrator is exposed outside and is easily damaged by sputtering materials generated by explosion, so that the use of equipment and rescue are influenced; therefore, the existing requirements are not met, and an explosion-proof fire-fighting emergency broadcasting device is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof fire emergency broadcasting device to the oscillator exposes outside when using of the current explosion-proof fire emergency broadcasting device who proposes in solving above-mentioned background art, is damaged by the sputter that the explosion produced very easily, influences the use of equipment, influences rescue scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof fire-fighting emergency broadcasting device comprises a front shell, wherein a horn is fixed at one end of the front shell, a vibrator protection cover is installed at the other end of the horn, a breathable sound transmission hole is formed in one side of the vibrator protection cover, a mounting groove is formed in the vibrator protection cover, a dustproof curtain is placed in the mounting groove, a fixing plate is fixed at the bottom end of the dustproof curtain, a support is installed on the outer surface of the front shell, the front shell and the support are fixed through fastening screws, a heat insulation ring is installed in the front shell, a partition plate is fixed on the inner side of the heat insulation ring, a rear shell is fixed at the other end of the front shell and comprises a transition plate, a connecting plate is installed at one end of the transition plate, a protection bottom plate is fixed at the other end of the connecting plate, a buffer layer is placed on the inner side of the, the interior interlude of crossing the cab apron has audio alert module, audio alert module's one end is fixed with the driver, the thread bush is installed to the other end of driver, the fire blocking net has been laid to the inside of thread bush, the other end that fire blocking net is fixed with the oscillator, the lower extreme of procapsid is fixed with the wire outlet mouth, one side of protection bottom plate is fixed with the data plate, the below of data plate is fixed with the warning sign.

Preferably, the heat insulation ring is connected with the front housing through a partition plate, and the material of the heat insulation ring is asbestos.

Preferably, one end of the horn is completely attached to one end of the front shell, and the horn is connected with the front shell through a screw.

Preferably, the transition plate is connected to the front housing by welding.

Preferably, the breathable sound transmission holes formed in the surface of the vibrator protective cover are formed in a punching mode, and the diameter of each breathable sound transmission hole is 4-6 m.

Preferably, the inner side of the oscillator protective cover is completely attached to the outer side of the horn, and the oscillator protective cover is connected with the horn through a clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an adopt flame proof shell to keep apart ignition source and external route, reach the purpose that does not arouse outside explosive gas atmosphere to light, explosion-proof speaker adopts 304 or 316 stainless steel by the shell, and the explosion that prevents that can be fine causes the damage of internal component, can manually trigger the alarm or provide the signal through sensor (third party equipment) automatic triggering through the outlet nozzle and report to the police, can be according to different places, different signals can link: the platform broadcasts the alarm signal of the system, the alarm signal of internal communication, the toxic combustible gas alarm signal, the fire alarm signal, the display system signal of the platform state, etc., to start different alarm voices, carry on the public address alarm broadcast to the scene, evacuate the crowd in time, reduce the property loss and casualty;

2. the utility model discloses a horn front end installs the oscillator protection casing, is provided with ventilative biography sound hole on the oscillator protection casing, and internally mounted has dustproof cloth curtain, can guarantee when the explosion takes place, and the sputter that the explosion produced can not cause the damage to the oscillator, and ventilative biography sound hole can be smooth spreads the alarm sound, can not influence the scattering of alarm, and dustproof cloth curtain can prevent that dust from getting into equipment at ordinary times inside, causes the short circuit or the damage of equipment, and can not influence the propagation of alarm sound.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the entire embodiment of the present invention;

fig. 3 is a schematic structural view of the vibrator protection cover of the present invention;

fig. 4 is a schematic view of a partial structure of the present invention.

In the figure: 1. a horn; 2. a vibrator protection cover; 3. a fixing plate; 4. a front housing; 5. a rear housing; 6. a support; 7. fastening screws; 8. a wire outlet nozzle; 9. a nameplate; 10. a warning board; 11. a dust curtain; 12. a vibrator; 13. a heat insulating ring; 14. a partition plate; 15. a protective base plate; 16. a buffer layer; 17. a thermal insulation layer; 18. a voice alarm module; 19. a transition plate; 20. a fire blocking net; 21. a driver; 22. a threaded sleeve; 23. mounting grooves; 24. a breathable sound transmission hole; 25. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides an embodiment: an explosion-proof fire-fighting emergency broadcasting device comprises a front shell 4, a horn 1 is fixed at one end of the front shell 4, a vibrator protection cover 2 is installed at the other end of the horn 1, a vibrator 12 can be prevented from being damaged by spatters when external explosion occurs, a ventilating sound hole 24 is formed in one side of the vibrator protection cover 2, an installation groove 23 is formed in the vibrator protection cover 2, a dustproof curtain 11 is placed in the installation groove 23, a fixing plate 3 is fixed at the bottom end of the dustproof curtain 11, a support 6 is installed on the outer surface of the front shell 4, the front shell 4 and the support 6 are fixed through a fastening screw 7, a heat insulation ring 13 is installed in the front shell 4, a partition plate 14 is fixed on the inner side of the heat insulation ring 13, the heat insulation ring 13 is convenient to install, the device is simple and convenient to use, a rear shell 5 is fixed at the other end of the front shell 4, the other end of connecting plate 25 is fixed with protection bottom plate 15, buffer layer 16 has been placed to protection bottom plate 15's inboard, insulating layer 17 is installed to buffer layer 16's inboard, can block outside heat, guarantee internals's is complete, the inside interlude of cab apron 19 has audio alert module 18, audio alert module 18's one end is fixed with driver 21, thread bush 22 is installed to driver 21's the other end, thread bush 22's inside is laid and is hindered fire net 20, the other end of fire net 20 is fixed with oscillator 12, the lower extreme of procapsid 4 is fixed with outlet nozzle 8, one side of protection bottom plate 15 is fixed with data plate 9, the below of data plate 9 is fixed with warning sign 10.

Further, the heat insulation ring 13 is connected with the front shell 4 through a partition plate 14, the material of the heat insulation ring 13 is asbestos, the asbestos has high tensile strength and flexibility and is resistant to chemical and thermal erosion, and external heat can be well blocked to ensure that internal parts are intact.

Further, the one end of horn 1 and the one end of procapsid 4 laminate completely, and horn 1 passes through screwed connection with procapsid 4, and screwed connection simple structure, convenient operation for have good connection performance between the two.

Further, the transition plate 19 and the front housing 4 are connected by welding, so that the connection performance and the stability between the transition plate and the front housing are good and the transition plate and the front housing are not easy to fall off.

Furthermore, the breathable sound transmission holes 24 formed in the surface of the oscillator protective cover 2 are formed in a stamping mode, the diameter of each breathable sound transmission hole 24 is 4-6mm, the desired result can be directly obtained through stamping, the operation is simple and convenient, and the holes with the diameters of 4-6mm can prevent sputtering materials from damaging internal parts.

Further, the inboard of oscillator protection casing 2 and the outside of horn 1 are laminated completely, and oscillator protection casing 2 passes through the draw-in groove with horn 1 and is connected, and the draw-in groove is connected, simple structure, easy to assemble and dismantlement, it is simple to make.

The working principle is as follows: when the fire alarm device is used, when a fire danger is detected, the vibrator 12 detects vibration generated by external explosion, the vibrator 12 feeds collected data back to the internal driver 21, the internal driver 21 triggers the voice alarm module 18 after the analysis is finished through analyzing the data, the voice alarm module 18 emits an alarm sound outwards, so that the staff can respond at the first time, crowd is evacuated, property loss is reduced, life safety of the staff is ensured, and if a fire or explosion happens, the oscillator protective cover 2 can prevent sputtering generated by explosion from damaging the oscillator 12, the heat insulation ring 13 can insulate heat from damaging internal elements, at the moment, trapped personnel can manually insert a cable into the cable outlet nozzle 8, the internal driver 21 is driven by the external keyboard, so that the voice alarm module 18 sends an alarm to remind other people of evacuating, and the life safety of workers is guaranteed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An explosion-proof fire emergency broadcasting device, includes procapsid (4), its characterized in that: the horn is characterized in that a horn (1) is fixed to one end of a front shell (4), a vibrator protection cover (2) is installed at the other end of the horn (1), a breathable sound transmission hole (24) is formed in one side of the vibrator protection cover (2), a mounting groove (23) is formed in the vibrator protection cover (2), a dustproof curtain (11) is placed in the mounting groove (23), a fixing plate (3) is fixed to the bottom end of the dustproof curtain (11), a support (6) is installed on the outer surface of the front shell (4), the front shell (4) and the support (6) are fixed through a fastening screw (7), a heat insulation ring (13) is installed in the front shell (4), a partition plate (14) is fixed to the inner side of the heat insulation ring (13), a rear shell (5) is fixed to the other end of the front shell (4), and the rear shell (5) comprises a transition plate (19), one end of the transition plate (19) is provided with a connecting plate (25), the other end of the connecting plate (25) is fixed with a protective bottom plate (15), a buffer layer (16) is arranged on the inner side of the protection bottom plate (15), a heat insulation layer (17) is arranged on the inner side of the buffer layer (16), a voice alarm module (18) is inserted in the transition plate (19), a driver (21) is fixed at one end of the voice alarm module (18), the other end of the driver (21) is provided with a threaded sleeve (22), a fire-resisting net (20) is arranged inside the threaded sleeve (22), the other end of the fire-resisting net (20) is fixed with a vibrator (12), the lower end of the front shell (4) is fixed with a wire outlet nozzle (8), a nameplate (9) is fixed on one side of the protection bottom plate (15), and a warning board (10) is fixed below the nameplate (9).

2. An explosion-proof fire emergency broadcasting device according to claim 1, wherein: the heat insulation ring (13) is connected with the front shell (4) through a partition plate (14), and the heat insulation ring (13) is made of asbestos.

3. An explosion-proof fire emergency broadcasting device according to claim 1, wherein: one end of the horn (1) is completely attached to one end of the front shell (4), and the horn (1) is connected with the front shell (4) through screws.

4. An explosion-proof fire emergency broadcasting device according to claim 1, wherein: the transition plate (19) is connected with the front shell (4) through welding.

5. An explosion-proof fire emergency broadcasting device according to claim 1, wherein: the ventilating sound holes (24) formed in the surface of the vibrator protective cover (2) are formed in a punching mode, and the diameter of each ventilating sound hole (24) is 4-6 mm.

6. An explosion-proof fire emergency broadcasting device according to claim 1, wherein: the inner side of the oscillator protective cover (2) is completely attached to the outer side of the horn (1), and the oscillator protective cover (2) is connected with the horn (1) through a clamping groove.

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