CN215722920U - Emergency explosion-proof lamp - Google Patents

Abstract

The utility model discloses an emergency explosion-proof lamp, which comprises an explosion-proof lamp shell, an explosion-proof lampshade and an explosion-proof lamp tube, wherein the explosion-proof lampshade and the explosion-proof lamp tube are arranged at the front end of the explosion-proof lamp shell, a power supply is arranged in the explosion-proof lamp shell, a shell rear cover is arranged at the rear end of the explosion-proof lamp shell, a wiring port is arranged on the shell rear cover, an annular groove is arranged around the shell rear cover, the opening of the annular groove faces backwards, an annular through hole is formed in the inner bottom of the groove, a plurality of slots are circumferentially arranged on the inner wall of the outer side of the groove, the emergency explosion-proof lamp also comprises a thermoelectric generation piece which is in inserted connection and matching with the slots, the thermoelectric generation piece comprises a hot end surface and a cold end surface, the rear end of the explosion-proof lampshade passes through the through hole and is sheathed with a heat conduction piece, the rear end of the heat conduction piece is jointed with the hot end surface, a cooling box filled with cooling liquid is also jointed with the front end surface of the cooling box, a storage battery is arranged in the explosion-proof lamp shell, the electric output end of the thermoelectric generation piece is connected with the electric input end of the storage battery, the storage battery and the explosion-proof lamp tube form a series circuit, and the rear cover of the shell is provided with a switch for closing or opening the series circuit.

Description

Emergency explosion-proof lamp

Technical Field

The utility model relates to the field of explosion-proof lamps, in particular to an emergency explosion-proof lamp.

Background

The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, and can prevent electric arcs, sparks and high temperature possibly generated in the lamp from igniting the combustible gas and the dust in the surrounding environment, so that the lamp with explosion-proof requirements is achieved, but the size and the power of the lamp of a common explosion-proof lamp of the explosion-proof lamp are large, and overhigh heat can be generated, so that the circuit is easy to age, the risk of circuit breaking and incapability of electrifying the explosion-proof lamp is caused, the construction efficiency is influenced, and the explosion-proof lamp is often used in a building site or a mine lamp environment and cannot well cope with the situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an emergency explosion-proof lamp, which converts heat into electric energy by arranging a thermoelectric generation piece, and a storage battery stores the electric energy to be used as an emergency power supply and also cools the explosion-proof lamp.

In order to solve the technical problems, the utility model adopts the following technical scheme: an emergency explosion-proof lamp comprises an explosion-proof lamp shell, an explosion-proof lamp shade and an explosion-proof lamp tube, wherein the explosion-proof lamp shade and the explosion-proof lamp tube are arranged at the front end of the explosion-proof lamp shell, a power supply is arranged in the explosion-proof lamp shell, a shell rear cover is arranged at the rear end of the explosion-proof lamp shell, a wiring port is arranged on the shell rear cover, an annular groove is arranged with an opening facing backwards and surrounding the shell rear cover, an annular through hole is formed in the inner bottom of the groove, a plurality of slots are circumferentially arranged on the inner wall of the outer side of the groove, a plurality of thermoelectric generation pieces are in one-to-one insertion fit with the slots, each thermoelectric generation piece comprises a hot end face and a cold end face which are arranged towards the groove, the explosion-proof lamp shade is arranged to be a hollow structure, the rear end of each explosion-proof lamp shade penetrates through the through hole and is sleeved with a heat conduction piece, the rear end of each heat conduction piece is attached to the hot end face, the annular cooling box is connected with the explosion-proof lamp shell, and cooling liquid is filled in the cooling box, the front end face of the cooling box is attached to the cold end face, a storage battery is arranged in the explosion-proof lamp shell, the power output end of the thermoelectric generation piece is connected with the power input end of the storage battery through a wire, the storage battery and the explosion-proof lamp tube form a series circuit, and a switch used for closing or disconnecting the series circuit is further arranged on the rear cover of the shell.

Technical scheme more than adopting, when explosion-proof lamp normally worked, the heat that explosion-proof lamp pipe produced is absorbed to explosion-proof lamp cover, explosion-proof lamp cover sets up to hollow structure can add intensity, improve explosion-proof performance, gas among the explosion-proof lamp cover hollow structure is heated and is got into in the recess, the conducting strip is made by copper, good heat conductivity has, the conducting strip passes heat transfer to hot terminal surface, the preceding terminal surface of cooler bin makes the cold junction face keep the lower temperature always, the cooler bin also plays certain cooling effect to explosion-proof lamp simultaneously, make thermoelectric generation piece produce certain temperature difference, thermoelectric generation piece's power input end carries out the electric power storage through the wire to the battery, when taking place to break, when the unable circular telegram condition of explosion-proof lamp, open the switch, explosion-proof lamp pipe and battery form the electric circuit, the battery supplies power to explosion-proof lamp pipe, play emergency lighting effect.

As a further optimization of the present invention, a spring is connected in the groove, and the spring elastically abuts against the bottom of the heat conducting fin.

Technical scheme more than adopting sets up the spring and can make the conducting strip closely laminate in hot terminal surface, strengthens heat conduction efficiency.

As a further optimization of the utility model, the interlayer of the explosion-proof lampshade is internally provided with heat conducting wires.

By adopting the technical scheme, the heat conducting wires are made of copper, so that the heat conducting wires have good heat conductivity, and the heat conduction can be accelerated through the heat conducting wires.

As a further optimization of the utility model, a cover body for opening or closing the box body is arranged on one side of the cooling box far away from the groove, and the side wall of the cooling box and the cover body are both of hollow structures.

Technical scheme more than adopting sets up the lid and is used for changing the coolant liquid, and hollow structure can slow down the temperature exchange of coolant liquid and external world, slows down the intensification.

According to the further optimization of the utility model, the outer side wall of the groove is provided with a clamping block, the front end of the cooling box is provided with a connecting part, and the connecting part is provided with a clamping groove matched with the clamping block.

Technical scheme more than adopting, the cooler bin passes through the buckle cooperation to be installed on the recess of explosion-proof lamp casing.

The utility model has the beneficial effects that: when the explosion-proof lamp normally works, the thermoelectric generation piece generates a certain temperature difference value, the thermoelectric generation piece inputs a power supply into the storage battery to store power, when the conditions of circuit breaking and incapability of powering on the explosion-proof lamp occur, the switch is opened, the storage battery supplies power to the explosion-proof lamp tube to play an emergency role, and meanwhile, the cooling box also plays a certain cooling role for the explosion-proof lamp.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a first schematic diagram of a top view of the present invention;

FIG. 3 is a second schematic top view of the present invention;

FIG. 4 is a schematic diagram of the circuit connection of the thermoelectric generation chip, the explosion-proof lamp tube, the storage battery and the switch.

The reference numbers in the figures mean: 11. an explosion-proof lamp housing; 111. a groove; 112. a through hole; 113. a slot; 114. a clamping block; 12. an explosion-proof lamp tube; 13. an explosion-proof lamp cover; 131. heat conducting wires; 14. a housing rear cover; 141. a wiring port; 142. a switch; 2. a thermoelectric power generation sheet; 21. a cold end face; 22. a hot end face; 3. a storage battery; 4. a spring; 5. a cooling tank; 51. a cover body; 52. a connecting portion; 521. a card slot; 6. a heat conductive sheet.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Referring to fig. 1-4, the presently disclosed embodiment of the present invention is further configured to: an emergency explosion-proof lamp comprises an explosion-proof lamp shell 11, an explosion-proof lampshade 13 and an explosion-proof lamp tube 12, wherein the explosion-proof lampshade 13 and the explosion-proof lamp tube 12 are arranged at the front end of the explosion-proof lamp shell 11;

the explosion-proof lampshade is provided with an annular groove 111 with a backward opening and arranged around the shell rear cover 14, an annular through hole 112 is formed in the inner bottom of the groove 111, a plurality of slots 113 are formed in the inner wall of the outer side of the groove 111 along the circumferential direction, a plurality of thermoelectric generation sheets 2 are in one-to-one insertion fit with the slots 113, each thermoelectric generation sheet 2 comprises a hot end face 22 and a cold end face 21 which are arranged towards the groove 111, the explosion-proof lampshade 13 is of a hollow structure, heat conducting wires 131 are arranged in an interlayer of the explosion-proof lampshade 13, the rear end of the explosion-proof lampshade 13 is sleeved with a heat conducting sheet 6 after penetrating through the through hole 112, the rear end of the heat conducting sheet 6 is attached to the hot end face 22, a spring 4 is connected in the groove 111, and the spring 4 elastically abuts against the bottom of the heat conducting sheet 6;

the explosion-proof lamp is characterized by further comprising an annular cooling box 5 connected with the explosion-proof lamp shell 11, a clamping block 114 is arranged on the outer side wall of the groove 111, a connecting portion 52 is arranged at the front end of the cooling box 5, a clamping groove 521 matched with the clamping block 114 is formed in the connecting portion 52, cooling liquid is filled in the cooling box 5, the front end face of the cooling box 5 is attached to the cold end face 21, a cover body 51 used for opening or closing the box body is arranged on one side, away from the groove 111, of the cooling box 5, and the side wall of the cooling box 5 and the cover body 51 are both of a hollow structure;

the storage battery 3 is arranged in the explosion-proof lamp shell 11, the power output end of the thermoelectric generation piece 2 is connected with the power input end of the storage battery 3 through a conducting wire, the storage battery 3 and the explosion-proof lamp tube 12 form a series circuit, and a switch 142 for closing or opening the series circuit is further arranged on the shell rear cover 14.

The principle of the utility model is as follows: when the explosion-proof lamp normally works, the explosion-proof lamp cover 13 absorbs heat generated by the explosion-proof lamp tube 12, the explosion-proof lamp cover 13 is arranged in a hollow structure and can increase strength and improve explosion-proof performance, gas in the hollow structure of the explosion-proof lamp cover 13 is heated to enter the groove 111, the heat conducting wires 131 and the heat conducting sheets 6 are made of copper and have good heat conductivity, the heat conducting wires 131 rapidly transfer the heat to the heat conducting sheets 6, the heat conducting sheets 6 transfer the heat to the hot end face 22, the cold end face 21 is always kept at a lower temperature by the front end face of the cooling box 5, the thermoelectric generation sheet 2 generates a certain temperature difference value, meanwhile, the cooling box 5 also has a certain cooling effect on the explosion-proof lamp, the power input end of the thermoelectric generation sheet 2 stores power for the storage battery 3 through a lead, when the explosion-proof lamp is broken and can not be electrified, the switch 142 is opened, the explosion-proof lamp tube 12 and the storage battery 3 form an electric loop, and the storage battery 3 supplies power for the explosion-proof lamp tube 12, the emergency lighting function is realized.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.

Claims (5)

1. An emergency explosion-proof lamp comprises an explosion-proof lamp shell (11), an explosion-proof lampshade (13) and an explosion-proof lamp tube (12), wherein the explosion-proof lampshade (13) and the explosion-proof lamp tube (12) are arranged at the front end of the explosion-proof lamp shell (11), a power supply is arranged in the explosion-proof lamp shell (11), a shell rear cover (14) is arranged at the rear end of the explosion-proof lamp shell, a wiring port (141) is arranged on the shell rear cover (14), the emergency explosion-proof lamp is characterized in that the explosion-proof lamp shell (11) is provided with an annular groove (111) with an opening facing backwards and surrounding the shell rear cover (14), an annular through hole (112) is formed in the inner bottom of the groove (111), a plurality of slots (113) are formed in the circumferential direction in the inner wall of the outer side of the groove (111), and a plurality of temperature difference power generation sheets (2) which are in one-to-one inserting fit with the slots (113) are further included, each temperature difference power generation sheet (2) comprises a hot end surface (22) arranged facing towards the groove (111) and a cold end surface (21) arranged opposite to the groove (111), explosion-proof lamp shade (13) set up to hollow structure and rear end and pass through-hole (112) back cover heat and have conducting strip (6), the rear end face and the hot terminal surface (22) of conducting strip (6) laminate mutually, still include cooler bin (5) of being connected with explosion-proof lamp casing (11), cooler bin (5) intussuseption is filled with the coolant liquid, the preceding terminal surface and the cold terminal surface (21) of cooler bin (5) laminate mutually, be equipped with battery (3) in explosion-proof lamp casing (11), the power take off end of thermoelectric generation piece (2) is connected through the wire with the power input end of battery (3), still be equipped with switch (142) that are used for closed or break off series circuit behind the casing on lid (14), battery (3), explosion-proof fluorescent tube (12) and switch (142) form series circuit.

2. The emergency explosion-proof lamp of claim 1, wherein a spring (4) is connected in the groove (111), and the spring (4) elastically presses against the bottom of the heat-conducting strip (6).

3. The emergency explosion-proof lamp according to claim 1, wherein the explosion-proof lamp cover (13) is provided with heat conducting wires (131) in a hollow layer.

4. The emergency explosion-proof lamp according to claim 1, wherein a cover (51) for opening or closing the box body is arranged on one side of the cooling box (5) far away from the groove (111), and the side wall of the cooling box (5) and the cover (51) are both provided as hollow structures.

5. The emergency explosion-proof lamp according to claim 1, wherein a clamping block (114) is arranged on the outer side wall of the groove (111), a connecting part (52) is arranged at the front end of the cooling box (5), and the connecting part (52) is provided with a clamping groove (521) matched with the clamping block (114).

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