CN216697745U

CN216697745U - Explosion-proof fire-fighting emergency sign lamp

Info

Publication number: CN216697745U
Application number: CN202220066058.6U
Authority: CN
Inventors: 王小洋; 刘共升; 张文华
Original assignee: Shenzhen Seva Lighting Co Ltd
Current assignee: Shenzhen Seva Lighting Co Ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-06-07
Anticipated expiration: 2032-01-11

Abstract

The application provides an emergent signal light utensil of explosion-proof fire control includes: the explosion-proof transparent part is connected with the main shell through the wiring cavity cover. The explosion-proof transparent part is hermetically connected with the main shell, and a light source cavity is formed between the explosion-proof transparent part and the main shell; the light source component is arranged in the light source cavity; the wiring cavity cover is connected with the main shell, and a wiring cavity is formed between the wiring cavity cover and the main shell; the wiring terminal is arranged in the wiring cavity and connected with the light source component. Compared with the prior art, this application explosion-proof fire control emergency sign lamps and lanterns seal sealing connection with main casing and toughened glass and form the light source chamber, keep apart electronic component and outside explosive gas, use explosion-proof transparency protection light emitting component, have reached explosion-proof standard.

Description

Explosion-proof fire-fighting emergency sign lamp

Technical Field

The application belongs to the technical field of lamps, and more specifically relates to an explosion-proof fire-fighting emergency sign lamp.

Background

The emergency lighting lamp is an important safety facility of modern public buildings and industrial buildings, is closely related to personal safety and building safety, and plays an important role in personnel evacuation, fire rescue work, important production, continuous operation of work or necessary operation and disposal when a power supply is interrupted due to a fire or other disasters of the buildings.

The emergency lighting lamp mainly comprises a fire-fighting emergency lighting lamp and an explosion-proof emergency lighting lamp, and the emergency lighting lamp in the prior art is formed by pouring a battery module and a driving module, so that the process is complex and the maintainability is low. Accordingly, there is a need for an emergency lighting fixture that meets explosion proof standards and is easy to maintain.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide an explosion-proof fire control emergency sign lamps and lanterns to solve the technical problem that emergency lighting lamps and lanterns among the prior art exist can not reach explosion-proof standard and be difficult for maintaining.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided an explosion-proof fire-fighting emergency sign light comprising:

a main housing;

the explosion-proof transparent part is hermetically connected with the main shell, and a light source cavity is formed between the explosion-proof transparent part and the main shell;

the light source component is arranged in the light source cavity;

the wiring cavity cover is connected with the main shell, and a wiring cavity is formed between the wiring cavity cover and the main shell; and

and the wiring terminal is arranged in the wiring cavity and is connected with the light source component.

Further, the explosion-proof transparent piece is toughened glass.

Furthermore, the explosion-proof fire-fighting emergency sign lamp further comprises a light source cover, wherein the light source cover is arranged around the periphery of the explosion-proof transparent part and the periphery of the main shell and is hermetically connected with the explosion-proof transparent part and the main shell.

Furthermore, a diffusion film is arranged on one side, close to the light source cavity, of the explosion-proof transparent part, and the diffusion film is connected with the transparent part in a sticking mode.

Further, a sealing ring is arranged between the wiring cavity cover and the main shell.

Furthermore, the explosion-proof fire-fighting emergency sign lamp further comprises a terminal isolation seat, and the terminal isolation seat is arranged in the wiring cavity and located on the periphery of the wiring terminal.

Furthermore, a wire pressing block is arranged in the wiring cavity.

Furthermore, a through hole is formed in one side, close to the main shell, of the wiring cavity and used for enabling the wiring to penetrate through and be connected with the wiring terminal.

Furthermore, the through hole is an internal thread through hole, a pressing screw block is arranged in the internal thread through hole, and the pressing screw block is meshed with the internal thread through hole.

Furthermore, a stuffing box is arranged between the pressing screw block and the internal thread through hole and is sealed between the wiring and the internal thread through hole.

The application provides an emergent sign lamp of explosion-proof fire control's beneficial effect lies in: compared with the prior art, the explosion-proof fire-fighting emergency sign lamp has the advantages that the main shell and the toughened glass are connected in a sealing mode through the glue seal to form the light source cavity, electronic elements and the like of the light source component are isolated from external explosive gas, the light source component is protected through the explosion-proof transparent piece, and the explosion-proof standard is achieved; set up independent light source chamber and wiring chamber, convenient wiring avoids arousing the explosion-proof inefficacy in light source chamber.

In addition, the diffusion film is arranged on the inner side of the anti-explosion transparent part, so that the identification light of the light emitting surface of the anti-explosion fire-fighting emergency sign lamp is uniform; the side edge of the main shell of the wiring cavity is provided with a through hole, and the main shell is also provided with a pressing screw block and a stuffing box for fixing wiring, so that the requirement of an electric wire in an explosion-proof place in a wiring pipe is met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a front view of an explosion-proof fire-fighting emergency sign lamp provided in an embodiment of the present application;

FIG. 2 is a rear view of an explosion-proof fire emergency sign light provided in an embodiment of the present application;

FIG. 3 is a sectional view taken along line A-A in a rear view of an explosion-proof fire emergency sign lamp provided by an embodiment of the present application;

FIG. 4 is an enlarged view of the section B of the explosion-proof fire emergency sign lamp provided by the embodiment of the application;

FIG. 5 is an enlarged view of the section C of the explosion-proof fire emergency sign lamp provided by the embodiment of the application;

FIG. 6 is a cross-sectional view taken along line D-D in a rear view of an explosion-proof fire emergency sign light provided by an embodiment of the present application;

fig. 7 is a top view of an explosion-proof fire emergency sign lamp provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

100-a main shell;

200-a light source cavity; 21-an explosion-proof transparent member; 22-a light source cover; 23-a diffusion membrane; 24-a circuit board; 25-a battery;

300-a wiring cavity; 31-a wiring cavity cover; 32-sealing ring; 33-a connecting terminal; 34-terminal wire isolation seat; 35-line pressing blocks; 36-a through hole; 37-a compression screw block; 38-a washer; 39-stuffing box;

41-a first adhesive region;

42-second adhesive region.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, fig. 2 and fig. 3 together, the explosion-proof fire-fighting emergency sign lamp provided by the embodiment of the present application will now be described. The anti-explosion fire-fighting emergency sign lamp comprises a main shell 100, an anti-explosion transparent part 21, a light source cover 22 and a wiring cavity cover 31, wherein the main shell 100 and the anti-explosion transparent part 21 are hermetically connected to form a light source cavity 200 in a glue sealing mode and the like, and the light source cover 22 is arranged on the periphery of the anti-explosion transparent part 21 and is fixedly connected with the periphery of the main shell 100; the main case 100 is fixedly coupled with the wiring chamber cover 31, and the wiring chamber 300 is formed between the main case 100 and the wiring chamber cover 31.

Further, a light source assembly is disposed in the light source cavity 200, and includes a circuit board 24, a light emitting element disposed on the circuit board 24, and other electronic elements; a terminal 33 or the like for wiring is provided in the wiring chamber 300. Wherein the connection terminals 33 are connected to the light source assembly in the light source cavity 200.

In this embodiment, as shown in fig. 3, a battery 25 is disposed in the light source cavity 200, and the battery 25 is connected to the circuit board 24 and supplies power to the circuit board 24.

Specifically, the explosion-proof transparent member 21 in the embodiment of the present application is tempered glass. The toughened glass has excellent safety, and when the glass is damaged by external force, fragments can form obtuse-angle crushed small particles similar to honeycombs, so that the toughened glass is not easy to cause serious injury to a human body; the toughened glass also has the advantage of high strength, and the bending resistance of the toughened glass is improved by multiple times compared with that of common glass; in addition, the toughened glass has good thermal stability, can bear 3 times of temperature difference of common glass, and can bear 300 ℃ temperature difference change. In other alternative embodiments, the explosion-proof transparent member 21 may be other structural members that allow light to pass therethrough and achieve a certain explosion-proof rating.

In the embodiment of the present application, as shown in fig. 3, a diffusion film 23 is provided on the side of the explosion-proof transparent member 21 adjacent to the light source chamber 200. The diffusion film 23 is adhered on the explosion-proof transparent part 21, so that the light emitted from the light source in the light source cavity 200 on the explosion-proof transparent part 21 is uniform, and the fire-fighting standard is met.

Further, the diffusion film 23 includes a scratch-resistant layer, a transparent PET (Polyethylene Terephthalate) substrate layer, and a diffusion layer.

Further, in the embodiment of the present application, the principle of the diffusion film 23 is that light enters from the anti-scratch layer closest to the light source cavity 200, penetrates through the highly transparent PET substrate, and is then scattered by the diffusion particles dispersed in the diffusion coating to form a uniform surface light source, wherein most of the diffusion particles are spherical, and the light is focused into a certain exit angle when passing through the diffusion particles, so as to achieve the function of enhancing the brightness of the exit light. In addition, the particles with different particle sizes in the diffusion layer also ensure that light cannot be directly emitted from the diffusion film.

In some embodiments of the present application, evacuation indicators are silk-screened on the outer surface of the explosion-proof transparent member 21 to meet fire protection requirements.

As shown in fig. 5, in order to further improve the safety of the explosion-proof fire-fighting emergency sign lamp, the first bonding area 41 in the light source chamber 200 of the embodiment of the present application is treated as follows, and the first bonding area 41 is a connection area between the main housing 100 and the explosion-proof transparent member 21.

Specifically, the length of the adhesive bonding surface of the first adhesive region 41 is 10mm or more. Selecting high-strength naturally-cured adhesive with the temperature of-60 to 200 ℃ to thoroughly clean burrs and the like on the surface in the main shell 100, driving a circle of adhesive pad bottom into the groove of the light source cover 22 by using an adhesive extruding nozzle, flatly placing the explosion-proof transparent piece 21 into the light source cover 22, and rotating for a half circle. And then placing for 2 hours until the surface of the adhesive is solidified, filling the gap between the explosion-proof transparent piece 21 and the main shell 100, and airing for 24 hours.

Further, the main shell 100, the explosion-proof transparent part 21 and the light source cover 22 in the embodiment of the application all pass the 7 joule impact test, the heat and cold resistance test and the like, so that the protection grade of the explosion-proof fire-fighting emergency sign lamp in the embodiment of the application reaches IP66, and the conditions of reaching explosion-proof and fire-fighting standards are further met.

Further, the main casing 100 in this embodiment is made of PC (Polycarbonate) plastic, and has the advantages of high strength, high elastic coefficient, high impact strength, good fatigue resistance, good dimensional stability, excellent insulating property, high temperature resistance, and the like.

Further, the material of the light source cover 22 in this embodiment is ADC12(Aluminum-Alloy Die Castings, No. 12 Aluminum material), i.e., Al-Si-Cu Alloy, which has the advantages of extremely high melting point, high temperature resistance, and strong stability.

Likewise, the wiring cavity cover 31 also passes the 7 joule impact test and the heat and cold resistance test, and the like, so that the wiring cavity 300 can ensure the stable work of the internal wiring area, and the explosion-proof fire-fighting emergency sign lamp of the embodiment of the application further reaches the explosion-proof standard.

Further, the material of the wiring chamber cover 31 is also ADC12, as is the light source cover 22.

The terminal cover 31 is provided on the side of the main housing 100 facing away from the explosion-proof transparent member 21, i.e. on the rear side, so that the terminal cover 31 and the terminal chamber 300 are not visible from the front side, avoiding affecting the indication area of the front side.

In this embodiment, as shown in fig. 3 and 6, a seal ring 32 is further provided between the main housing 100 and the wiring chamber cover 31.

Specifically, in this embodiment, the seal ring 32 is a silicone rubber seal ring. The silicon rubber sealing ring has excellent sealing performance and is waterproof and leakproof, so that the wiring cavity 300 can be sealed and waterproof; the anti-explosion fire-fighting emergency sign lamp also has good tensile resistance, so that the working stability of the anti-explosion fire-fighting emergency sign lamp is greatly improved; in addition, the silicon rubber sealing ring has good heat resistance and cold resistance, and can be used for a long time in the temperature range of-60 to 200 ℃.

In another embodiment of the present application, the seal ring 32 may also be a hydrogenated nitrile rubber seal ring. Similar to the silicon rubber sealing ring, the hydrogenated nitrile rubber sealing ring has excellent characteristics of corrosion resistance, tear resistance, compression deformation resistance and the like, and can be used within the temperature range of-50 to 150 ℃.

In this embodiment, as shown in fig. 3, an end wire isolation seat 34 is also provided in the wiring cavity 300. The terminal wire isolation seat 34 is disposed on the periphery of the terminal 33 for isolating the terminal 33 from the circuit board 24, and can effectively prevent serious accidents such as short-circuit combustion and explosion of the terminal 33 when a component on the circuit board 24 has a fault such as a short circuit.

Referring to fig. 1, 2, 3 and 6, the explosion-proof fire emergency sign lamp provided by the present application has a through hole 36 at a side of the wiring cavity 300 facing the main housing 100, and a pressing screw block 37 is further disposed in the through hole 36 for fixing the wiring.

Specifically, the through hole 36 is an internally threaded through hole, and the hold-down screw 37 is a bolt having an external thread.

Further, a washer 38 is provided between the pressing screw 37 and the through hole 36.

Alternatively, the washer 38 may be one or more of a spring washer or a flat washer. The spring washer has the functions of preventing looseness and increasing pretightening force; the flat gasket has the functions of reducing friction, preventing leakage, isolating, preventing loosening and distributing pressure. Therefore, the gasket 38 can further fix the wiring, and the working stability of the explosion-proof fire-fighting emergency sign lamp is improved.

In addition, a stuffing box 39 is arranged between the gasket 38 and the through hole 36, and the stuffing box 39 is used for sealing the through hole 36 and the compression screw block 37, so that the wiring cavity 300 is sealed and waterproof. Specifically, the stuffing box 39 in this application is a silicone rubber stuffing box. Similarly, the silicon rubber stuffing box has the advantages of good sealing performance, strong tensile resistance, good heat resistance and cold resistance and the like, and can further enable the explosion-proof fire-fighting emergency sign lamp to reach explosion-proof and fire-fighting standards.

In this embodiment, as shown in fig. 3, a wire pressing block 35 is provided in the wiring chamber 300. The center of the line pressing block 35 is provided with an inward-concave cambered surface for fixing the wiring; the two ends of the wire pressing block 35 are respectively provided with a positioning through hole (not shown) for fixing the wire pressing block 35 by bolts to further fix the wiring.

Referring to fig. 3 and 4, the area of the main housing 100 connecting the light source cavity 200 and the wiring cavity 300 is the second adhesive area 42. Similar to the first bonding area 41 shown in fig. 5, the length of the bonding surface of the second bonding area 42 is greater than or equal to 10mm, and the bonding process is similar to that of the first bonding area 41, and will not be described herein.

For the wiring, the cable in this embodiment is a 2-core cable having a cross-sectional diameter of 2.3mm, and the circuit board 24 and the connection terminal 33 are connected via a wiring groove.

After wiring is completed, the explosion-proof fire-fighting emergency sign lamp is subjected to glue filling and other treatment, so that the resistance to external impact and vibration is improved, and the waterproof, dustproof and moistureproof performances of the device are improved. Specifically, the glue filling distance is greater than or equal to 20mm, and the cross-sectional area filled by the glue sealing agent is greater than 20%.

Compared with the prior art, the explosion-proof fire-fighting emergency sign lamp provided by the embodiment of the application has the advantages that the main shell 100 and the explosion-proof transparent piece 21 are connected in a sealing manner to form the light source cavity 200, electronic elements in the light source cavity 200 are isolated from external explosive gas, the explosion-proof transparent piece 21 is used for protecting the light-emitting element, and the explosion-proof standard is achieved.

In addition, the independent light source cavity 200 and the wiring cavity 300 are arranged, so that wiring is convenient; the diffusion film 23 is arranged on the inner side of the anti-explosion transparent part 21, so that the identification light on the light emitting surface of the anti-explosion fire-fighting emergency sign lamp provided by the application is uniform, and the fire-fighting standard is met; the side edge of the main shell 100 of the wiring cavity 300 is provided with an internal thread through hole 36, and a pressing screw block 37 and a stuffing box 39 are further arranged to fix wiring, so that the requirement of wiring in an explosion-proof place is met.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An explosion-proof fire emergency sign lamp, comprising:

a main housing;

the light source component is arranged in the light source cavity;

2. An explosion-proof fire emergency signal light fixture as recited in claim 1, wherein said explosion-proof transparent member is tempered glass.

3. The explosion-proof fire emergency sign lamp of claim 1, further comprising a light source cover, wherein the light source cover is disposed around the periphery of the explosion-proof transparent member and the periphery of the main housing, and is hermetically connected to both the explosion-proof transparent member and the main housing.

4. An explosion-proof fire-fighting emergency signal lamp as set forth in claim 1, wherein a diffusion film is provided on a side of the explosion-proof transparent member adjacent to the light source chamber, and the diffusion film is adhesively attached to the transparent member.

5. An explosion proof fire emergency marker light fitting as set forth in claim 1 wherein a seal is disposed between said wiring chamber cover and said main housing.

6. The explosion proof fire emergency marker light of claim 1 further comprising a terminal isolation mount disposed within the wiring cavity and located at the periphery of the wiring terminals.

7. An explosion-proof fire emergency marker light fitting as recited in claim 1, wherein a wire clip is disposed within said wiring cavity.

8. An explosion-proof fire emergency signal lamp as set forth in claim 1, wherein a through hole is provided at a side of said wiring cavity adjacent to said main housing for passing a wire therethrough and connecting said terminal.

9. The explosion-proof fire emergency sign lamp of claim 8, wherein the through hole is an internally threaded through hole, a compression screw block is arranged in the internally threaded through hole, and the compression screw block is engaged with the internally threaded through hole.

10. The explosion-proof fire emergency sign lamp of claim 9, wherein a stuffing box is provided between the compression nut and the internally threaded through hole, sealing between the trace and the internally threaded through hole.