CN216596811U

CN216596811U - Large fire-fighting emergency sign lamp for explosion-proof places

Info

Publication number: CN216596811U
Application number: CN202122582121.XU
Authority: CN
Inventors: 王亚德; 章明高; 邓江; 王雄健
Original assignee: Huarong Technology Co Ltd
Current assignee: Huarong Technology Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-24
Anticipated expiration: 2031-10-26

Abstract

The utility model provides a large-scale fire emergency sign lamps and lanterns for explosion-proof place, which comprises a housin, casing surface fixed mounting has the cap, enclose between casing and the cap and enclose into there is sealed light source chamber, the equal fixed mounting in light source chamber both sides has light source board mounting bracket, install the light source board on the light source board mounting bracket, light source board lateral surface is provided with the glass board, the glass board pass through the adhesive surface respectively with casing and cap fixed connection, light source intracavity respectively fixed mounting have emergency control ware, this ampere of controller and binding post, this ampere of controller and light source board all pass through binding post and emergency control ware electric connection, the cable joint is installed through the cable through-hole to the casing side surface. The utility model overcomes the defects of the prior art, so that the product can meet the technical requirements of large-scale sign lamps and can also meet the requirements of flammable and explosive dangerous places; and the safety of the primary instrument in a dangerous place is ensured by utilizing the multiple protection functions of voltage limiting, current limiting and quick circuit cutoff of the intrinsic safety controller.

Description

Large fire-fighting emergency sign lamp for explosion-proof places

Technical Field

The utility model relates to the technical field of emergency sign lamps, in particular to a large fire-fighting emergency sign lamp for an explosion-proof place.

Background

The fire-fighting emergency marker lamp is suitable for fire-fighting emergency lighting, is the most common lighting tool in fire-fighting emergency, has long emergency time and high brightness, and has the automatic emergency function in power failure. The fire-fighting emergency marker lamp has the characteristics of low power consumption, high brightness, long service life and the like, and is suitable for public places such as factories, hotels, schools and the like for emergency lighting during power failure.

The fire emergency sign lamp on the existing market is shown in fig. 1, and the structure of the fire emergency sign lamp comprises a fixing frame A1, a front cover plate A2, a rear cover plate A3, a light guide plate A4, a light source plate A5 and a light-transmitting film A6; but the product performance structure has low protection level (generally about IP 42), the light source and the battery lack a protection circuit with an explosion-proof structure, and the product structure does not meet the requirement of explosion-proof standard.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a large fire-fighting emergency sign lamp for an explosion-proof place, which overcomes the defects of the prior art, and is reasonable in design, so that the product can meet the technical requirements of GB17945-2010 standard on the large sign lamp and can also meet the requirements for use in flammable and explosive dangerous places; and the safety of the primary instrument in a dangerous place is ensured by utilizing the multiple protection functions of voltage limiting, current limiting and quick circuit cutoff of the intrinsic safety controller.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a large-scale fire emergency sign lamps and lanterns for explosion-proof place, includes the casing, casing surface fixed mounting has the cap, it has sealed light source chamber to enclose between casing and the cap, the equal fixed mounting in light source chamber both sides has light source board mounting bracket, fixed mounting has the light source board on the light source board mounting bracket, light source board lateral surface is provided with the glass board, the glass board is provided with the adhesive surface along peripheral position, the glass board passes through the adhesive surface and is connected with casing internal surface and cap internal surface fixed respectively, fixed mounting has emergency controller, this ampere of controller and binding post respectively in the light source chamber, this ampere of controller and light source board all pass through binding post and emergency controller electric connection, the cable through-hole has been seted up to the casing side surface, fixed mounting has cable joint in the cable through-hole.

Preferably, the housing is provided with a U-shaped groove along the peripheral position, the housing cover is fixedly connected to the side surface of the U-shaped groove through a fastening screw, and the outer side surface of the U-shaped groove is in sealing contact with the inner surface of the housing cover through a foamed sealing ring.

Preferably, an elastic sealing plate is arranged below the inner surface of the shell cover, one end of the elastic sealing plate is abutted against the side surface of the shell cover, and the other end of the elastic sealing plate is fixedly mounted on the inner side surface of the U-shaped groove through a bolt.

Preferably, the cable joint includes the outer joint casing, and the joint groove has been seted up to outer joint casing surface, the outer joint casing passes through joint groove fixed joint in the cable through-hole, joint inslot fixed mounting has the sealing washer, the sealing washer is sealed to be contradicted at the casing internal surface, outer joint casing inner chamber fixed mounting has cable gland packing.

Preferably, the shell is formed by welding carbon steel, and the outer surface of the shell is subjected to high-voltage electrostatic spraying.

The utility model provides a large fire-fighting emergency sign lamp for an explosion-proof place. The method has the following beneficial effects: fill through the foaming sealing washer between casing and the cap to on the leakproofness basis that satisfies emergent marker light utensil, guarantee that this application reaches IP protection level requirement. The primary instrument of the dangerous place is connected with the secondary instrument of the safe place by arranging the intrinsic safety controller; under the normal working condition, the detection and control functions of the measuring system are not influenced; under the fault state, the intrinsic safety controller limits the transmission of overload energy into a dangerous place; the multiple protection functions of voltage limiting, current limiting and rapid circuit cutoff are utilized to ensure the safety of the primary instrument in dangerous places. And through set up the U-shaped groove at casing and cap hookup location to can further guarantee the leakproofness of device, with the prevention problem of intaking.

Drawings

In order to more clearly illustrate the present invention or the prior art solutions, the drawings that are needed in the description of the prior art will be briefly described below.

FIG. 1 is a schematic structural diagram of an emergency sign lamp in the prior art;

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

FIG. 3 is a schematic view of the structure of the light source chamber of the present invention;

FIG. 4 is a schematic view of the construction of the cable joint of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 2 at A;

the reference numbers in the figures illustrate:

1. a housing; 2. a shell cover; 3. a light source cavity; 4. a light source plate mounting frame; 5. a light source plate; 6. a glass plate; 7. gluing surface; 8. an emergency controller; 9. an intrinsic safety controller; 10. a wiring terminal; 11. a cable joint; 12. a U-shaped groove; 13. fastening screws; 14. foaming the sealing ring; 15. an elastic sealing plate; 111. an outer joint housing; 112. a clamping groove; 113. a seal ring; 114. and (4) cable sealing filler.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 2 to 5, a large fire-fighting emergency sign lamp for an explosion-proof place includes a housing 1, a housing cover 2 is fixedly mounted on an outer surface of the housing 1, a sealed light source cavity 3 is defined between the housing 1 and the housing cover 2, light source board mounting frames 4 are fixedly mounted on both sides of the light source cavity 3, a light source board 5 is fixedly mounted on the light source board mounting frames 4, a glass board 6 is disposed on an outer side surface of the light source board 5, an adhesive surface 7 is disposed on the glass board 6 along a peripheral position, the glass board 6 is respectively fixedly connected with an inner surface of the housing 1 and an inner surface of the housing cover 2 through the adhesive surface 7, emergency controllers 8 are respectively fixedly mounted in the light source cavity 3, this ampere of controller 9 and binding post 10, this ampere of controller 9 and light source board 5 all through binding

post

10 and 8 electric connection of emergency control ware, and the cable through hole has been seted up to 1 side surface of casing, and fixed mounting has cable joint 11 in the cable through hole. In this embodiment, the housing 1 is provided with a U-shaped groove 12 along the peripheral position, the housing cover 2 is fixedly connected to the side surface of the U-shaped groove 12 by a fastening screw 13, and the outer side surface of the U-shaped groove 12 is in sealing contact with the inner surface of the housing cover 2 by a foamed sealing ring 14.

The working principle is as follows:

the light source plates 5 are respectively arranged on two sides of the inner cavity of the light source cavity 3, and the glass plate 6 is respectively fixedly connected with the inner surface of the shell 1 and the inner surface of the shell cover 2 through the adhesive surface 7; and fill through foaming sealing washer 14 between casing 1 and the cap 2 to on satisfying the leakproofness basis of emergency sign lamps and lanterns, also guarantee that this application reaches IP66 protection level requirement. The primary instrument of the dangerous place is connected with the secondary instrument of the safe place by arranging the intrinsic safety controller 9; under the normal working condition, the detection and control functions of the measuring system are not influenced; in a fault state (e.g., a primary meter side short-circuits a secondary meter side abnormal high voltage, etc.), the intrinsically safe controller 9 will limit the transmission of overload energy into hazardous locations; the multiple protection functions of voltage limiting, current limiting and rapid circuit cutoff are utilized to ensure the safety of the primary instrument in dangerous places. And through set up U-shaped groove 12 at casing 1 and cap 2 hookup location to can further guarantee the leakproofness of device, with prevent into water the problem.

In the second embodiment, as a further configuration of the first embodiment, an elastic sealing plate 15 is provided below the inner surface of the housing cover 2, one end of the elastic sealing plate 15 abuts against the side surface of the housing cover 2, and the other end of the elastic sealing plate 15 is fixedly mounted on the inner side surface of the U-shaped groove 12 by a bolt. The sealing effect of the device is further achieved by the elastic sealing action of the elastic sealing plate 15.

In a third embodiment, as a further scheme of the first embodiment, the cable joint 11 includes an outer joint housing 111, a clamping groove 112 is formed in an outer surface of the outer joint housing 111, the outer joint housing 111 is fixedly clamped in the cable through hole through the clamping groove 112, a sealing ring 113 is fixedly mounted in the clamping groove 112, the sealing ring 113 is in sealing contact with an inner surface of the housing 1, and a cable sealing filler 114 is fixedly mounted in an inner cavity of the outer joint housing 111. The position of the outer joint shell 111 is limited through the clamping groove 112, the sealing performance of the connecting position between the cable joint 11 and the shell 1 is ensured through the sealing ring 113, and the sealing performance between the connecting cable and the cable joint 11 is ensured when the connecting cable penetrates through the cable joint 11 to be connected with the emergency controller 8 through the cable sealing filler 114.

In the fourth embodiment, as a further scheme of the first embodiment, the shell 1 is formed by welding carbon steel, and high-voltage electrostatic spraying is performed on the outer surface of the shell 1. Thereby further guaranteeing the explosion-proof requirement of the shell 1 and meeting the protection grade requirement of the increased safety type shell.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a large-scale fire emergency sign lamps and lanterns for explosion-proof place which characterized in that: the light source device comprises a shell body (1), wherein a shell cover (2) is fixedly arranged on the outer surface of the shell body (1), a sealed light source cavity (3) is enclosed between the shell body (1) and the shell cover (2), light source plate mounting frames (4) are fixedly arranged on two sides of the light source cavity (3), light source plates (5) are fixedly arranged on the light source plate mounting frames (4), glass plates (6) are arranged on the outer side surfaces of the light source plates (5), adhesive surfaces (7) are arranged on the glass plates (6) along the peripheral positions, the glass plates (6) are respectively fixedly connected with the inner surface of the shell body (1) and the inner surface of the shell cover (2) through the adhesive surfaces (7), an emergency controller (8), an intrinsic safety controller (9) and a wiring terminal (10) are respectively and fixedly arranged in the light source cavity (3), the intrinsic safety controller (9) and the light source plates (5) are electrically connected with the emergency controller (8) through the wiring terminal (10), a cable through hole is formed in the side surface of the shell (1), and a cable joint (11) is fixedly mounted in the cable through hole.

2. A large fire emergency signage light fixture for use in an explosion-proof venue as recited in claim 1, further comprising: the casing (1) sets up to U-shaped groove (12) along peripheral position, cap (2) pass through fastening screw (13) fixed connection at the side surface of U-shaped groove (12), the lateral surface of U-shaped groove (12) passes through foaming sealing washer (14) and cap (2) internal surface sealing contact.

3. A large fire emergency signage light fixture for use in an explosion-proof venue as recited in claim 2, further comprising: an elastic sealing plate (15) is arranged below the inner surface of the shell cover (2), one end of the elastic sealing plate (15) is abutted to the side surface of the shell cover (2), and the other end of the elastic sealing plate (15) is fixedly mounted on the inner side surface of the U-shaped groove (12) through a bolt.

4. A large fire emergency signage light fixture for use in an explosion-proof venue as recited in claim 1, further comprising: cable joint (11) include outer joint casing (111), and joint groove (112) have been seted up to outer joint casing (111) surface, outer joint casing (111) are in the cable through-hole through the fixed joint in joint groove (112), fixed mounting has sealing washer (113) in joint groove (112), sealing washer (113) are sealed to be contradicted at casing (1) internal surface, outer joint casing (111) inner chamber fixed mounting has cable gland packing (114).

5. A large fire emergency signage light fixture for use in an explosion-proof venue as recited in claim 1, further comprising: the shell (1) is formed by welding carbon steel, and high-voltage electrostatic spraying is performed on the outer surface of the shell (1).