CN210428728U

CN210428728U - Explosion-proof audible and visual alarm

Info

Publication number: CN210428728U
Application number: CN201921253638.0U
Authority: CN
Inventors: 钱利萍
Original assignee: Zhejiang Guangshun Explosion Proof Electrical Co ltd
Current assignee: Zhejiang Guangshun Explosion Proof Electrical Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-28
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses an explosion-proof audible-visual annunciator, including the casing, the middle part fixed mounting of the bottom of casing has a plurality of binding post, and the middle part fixed mounting on casing top has the circuit board, and the top fixed mounting of circuit board has the LED light source, and LED light source cover is equipped with the second guard shield, and the surface cover of second guard shield is equipped with first guard shield, and the surface cover of first guard shield is equipped with the translucent cover, and the avris fixed mounting on casing top has the set casing. The utility model relates to an explosion-proof audible-visual annunciator, this audible-visual annunciator adopt a plurality of guard shields that high temperature resistant toughened glass material made to cover the LED light emitting source and establish, have good flame proof performance, the shell adopts the aluminum alloy material to make simultaneously, has the anticorrosion effect, through the multilayer sealing washer that sets up, guarantees the inside leakproofness of alarm, through the wiring end that stretches out, is convenient for directly apply to the steel pipe wiring.

Description

Explosion-proof audible and visual alarm

Technical Field

The utility model relates to an audible and visual annunciator, in particular to explosion-proof audible and visual annunciator.

Background

The audible and visual alarm is called as audible and visual alarm number and is set for meeting the special requirements of customers on the alarm loudness and the installation position. Simultaneously, two alarm signals of sound and light are sent out. The special field is as follows: industries such as ferrous metallurgy, telecommunication towers, hoisting machinery, engineering machinery, ports and docks, transportation, wind power generation, ocean vessels and the like; is an accessory product in an industrial alarm system.

The conventional audible and visual alarm does not have an explosion-proof effect, and the audible and visual alarm is easy to explode in the using process and influences the normal use of the audible and visual alarm, so that the explosion-proof audible and visual alarm needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof audible-visual annunciator to current audible-visual annunciator that proposes in solving above-mentioned background does not possess explosion-proof effect, and audible-visual annunciator takes place the blasting easily in the use, influences audible-visual annunciator's the problem of normal use.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof acousto-optic alarm comprises a shell, wherein a plurality of wiring terminals are fixedly mounted in the middle of the bottom end of the shell, a circuit board is fixedly mounted in the middle of the top end of the shell, an LED light source is fixedly mounted at the top end of the circuit board, a second protective cover is sleeved on the LED light source, a first protective cover is sleeved on the surface of the second protective cover, a transparent cover is sleeved on the surface of the first protective cover, a fixed shell is fixedly mounted at the lateral side of the top end of the shell, an O-shaped ring is pasted between the fixed shell and the circuit board, an upper cover is covered at the top end of the shell, a gland is sleeved at the top end of the upper cover, the gland is fixedly connected with the upper cover through a cross pan head screw, a spring washer is pasted at the joint of the gland and the upper cover, the top end of the gland is fixedly connected with the bottom end, the surface fixing of back-fire relief piece installs bee calling organ, bee calling organ surface cover is equipped with bee calling organ guard shield, just the junction subsides of bee calling organ guard shield and casing are equipped with the sealing washer.

As an optimal technical scheme of the utility model, there is the ground connection sign in the front of casing through cross pan head screw fixed mounting, just the casing is made by the aluminum alloy material.

As an optimized technical scheme of the utility model, one side fixed mounting of casing has the signboard.

As an optimized technical scheme of the utility model, evenly distributed's anti-skidding line is seted up on the surface of gland.

As an optimized technical scheme of the utility model, first guard shield, second guard shield and translucent cover are made by high temperature resistant toughened glass material.

As a preferred technical scheme of the utility model, binding post and LED light source all with circuit board electric connection, binding post and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an explosion-proof audible-visual annunciator, this audible-visual annunciator adopt a plurality of guard shields that high temperature resistant toughened glass material made to cover the LED light emitting source and establish, have good flame proof performance, the shell adopts the aluminum alloy material to make simultaneously, has the anticorrosion effect, through the multilayer sealing washer that sets up, guarantees the inside leakproofness of alarm, through the wiring end that stretches out, is convenient for directly apply to the steel pipe wiring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a housing; 2. a first shield; 3. a second shield; 4. a cross pan head screw; 5. a gland; 6. an upper cover; 7. an O-shaped ring; 8. a stationary case; 9. a circuit board; 10. a wiring terminal; 11. a seal ring; 12. a buzzer; 13. a spring washer; 14. an LED light source; 15. a grounding label; 16. a signboard; 17. a buzzer shield; 18. a transparent cover; 19. fire retardant sheet.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides an explosion-proof audible and visual alarm, which comprises a casing 1, a plurality of connecting terminals 10 are fixedly installed at the middle part of the bottom end of the casing 1, a circuit board 9 is fixedly installed at the middle part of the top end of the casing 1, an LED light source 14 is fixedly installed at the top end of the circuit board 9, the LED light source 14 is sleeved with a second shield 3, the surface of the second shield 3 is sleeved with a first shield 2, the surface of the first shield 2 is sleeved with a transparent cover 18, a fixed shell 8 is fixedly installed at the lateral side of the top end of the casing 1, an O-shaped ring 7 is adhered between the fixed shell 8 and the circuit board 9, the top end of the casing 1 is covered with an upper cover 6, a gland 5 is sleeved at the top end of the upper cover 6, the gland 5 is fixedly connected with the upper cover 6 through a cross pan head screw 4, a spring washer 13 is adhered at the joint, a fire retardant sheet 19 is fixedly installed on one side of the shell 1, a buzzer 12 is fixedly installed on the surface of the fire retardant sheet 19, a buzzer shield 17 is covered on the surface of the buzzer 12, and a sealing ring 11 is attached to the joint of the buzzer shield 17 and the shell 1.

Preferably, the grounding label 15 is fixedly mounted on the front surface of the housing 1 through the cross pan head screw 4, and the housing 1 is made of an aluminum alloy material, and the aluminum alloy material has an anti-corrosion effect.

Preferably, a signboard 16 is fixedly installed at one side of the housing 1, and the installed signboard 16 is convenient for identification.

Preferably, the surface of the gland 5 is provided with anti-slip lines which are uniformly distributed, and the anti-slip lines are attached to facilitate the installation of the audible and visual alarm.

Preferably, the first shield 2, the second shield 3 and the transparent cover 18 are made of high temperature resistant tempered glass.

Preferably, the connection terminal 10 and the LED light source 14 are electrically connected to the circuit board 9, and the connection terminal 10 is electrically connected to an external power source.

When specifically using, the utility model relates to an explosion-proof audible-visual annunciator, when this explosion-proof audible-visual annunciator is used to needs, at first through binding post 10 through external switch and external power supply electric connection, accomplish explosion-proof audible-visual annunciator's installation, this audible-visual annunciator is through the multilayer protection casing that sets up, the effectual audible-visual annunciator explosion of avoiding, the shell adopts the aluminum alloy material to make simultaneously, the anticorrosion effect has, through the multilayer sealing washer 11 that sets up, guarantee the inside leakproofness of alarm, through the wiring end that stretches out, be convenient for directly apply to the steel pipe wiring.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof audible and visual alarm, includes casing (1), its characterized in that, the middle part fixed mounting of the bottom of casing (1) has a plurality of binding post (10), the middle part fixed mounting on casing (1) top has circuit board (9), the top fixed mounting of circuit board (9) has LED light source (14), LED light source (14) cover is equipped with second guard shield (3), the surface cover of second guard shield (3) is equipped with first guard shield (2), the surface cover of first guard shield (2) is equipped with translucent cover (18), the avris fixed mounting on casing (1) top has set casing (8), just paste between set casing (8) and circuit board (9) and be equipped with O type circle (7), the top cover of casing (1) is equipped with upper cover (6), the top cover of upper cover (6) is equipped with gland (5), through cross pan head screw (4) fixed connection between gland (5) and upper cover (6), just gland (5) and the junction subsides of upper cover (6) are equipped with spring washer (13), the top and translucent cover (18) bottom fixed connection of gland (5), one side fixed mounting back-fire relief piece (19) of casing (1), the fixed surface of back-fire relief piece (19) installs bee calling organ (12), bee calling organ (12) surface cover is equipped with bee calling organ guard shield (17), just bee calling organ guard shield (17) are equipped with sealing washer (11) with the junction subsides of casing (1).

2. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: the front of casing (1) is through cross pan head screw (4) fixed mounting have ground connection sign (15), just casing (1) is made by the aluminum alloy material.

3. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: and a signboard (16) is fixedly arranged on one side of the shell (1).

4. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: the surface of the gland (5) is provided with evenly distributed anti-skid lines.

5. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: the first shield (2), the second shield (3) and the transparent cover (18) are all made of high-temperature resistant toughened glass materials.

6. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: the wiring terminal (10) and the LED light source (14) are both electrically connected with the circuit board (9), and the wiring terminal (10) is electrically connected with an external power supply.