1. A flame-proof type safe LED street lamp comprises an LED lamp, a flame-proof mechanism arranged at the top end of the LED lamp and a heat dissipation mechanism communicated with the flame-proof mechanism, wherein a protective cover for preventing gas or powder in an external environment from entering is sleeved on the periphery of the LED lamp;

the method is characterized in that: the explosion-proof mechanism comprises a sleeve, the bottom end of the sleeve is fixedly connected with the top end of the LED lamp, the sleeve extends along the direction of arrangement of the lamp, a built-in cylinder is arranged at the inner end of the sleeve, protective gas with atmospheric pressure smaller than air pressure is filled in the built-in cylinder, a sliding column which is abutted against the upper inner wall and the lower inner wall of the built-in cylinder is arranged in the built-in cylinder, a telescopic spring connected with the bottom wall of the built-in cylinder is arranged at the back of the sliding column, a connecting shaft extending out of the built-in cylinder is arranged on the outer surface of the sliding column, a cap-type connecting armature is sleeved at the end of the connecting shaft, a connecting cap is abutted against the inner wall of the connecting armature and is connected with the connecting cap, the bottom wall of the built-in cylinder is communicated with a protective cover, and the protective gas which is the same as the protective gas in the built-in cylinder is filled in the protective cover;

the heat dissipation mechanism comprises a rubber cylinder which is arranged in the sleeve and can freely slide along the extension direction of the sleeve, the rubber cylinder is arranged on the outer side of the built-in cylinder, a cavity for the rubber cylinder to move freely is formed among the tail end of the rubber cylinder, the front end of the built-in cylinder and the sleeve, a plurality of permanent magnets are embedded on the surface of the outer wall of the rubber cylinder, the top end of the rubber cylinder is provided with an L-shaped liquid blocking pipe, the end part of the L-shaped liquid blocking pipe is provided with a plug inserted into a liquid outlet at the side part of the liquid inlet pipe, the liquid outlet is sunken towards the inner side of the liquid inlet pipe, the end surface of the plug is in a cap shape, the arc-shaped bulge at the middle part is embedded in the liquid outlet, the magnet is embedded at the periphery of the arc-shaped bulge, the magnetism of the magnet is attracted with the magnetism of the permanent magnet, the liquid inlet pipe is vertically inserted in the sleeve, the top end of the permanent magnet extends out of the sleeve and is communicated with the liquid storage tank, the surface of the rubber cylinder is covered with a hydrogel layer for adsorbing water flowing out of the liquid outlet, and the permanent magnet is embedded into the hydrogel layer.

2. The explosion-proof safe LED street lamp according to claim 1, characterized in that: an opening for the connecting shaft to freely move is formed in the side portion of the built-in cylinder, and a gasket for preventing gas in the built-in cylinder from leaking is embedded in the opening.

3. The explosion-proof safe LED street lamp according to claim 1, characterized in that: the LED lamp is surrounded by the lower portion of the protective cover, one side of the top end upwards extends into the sleeve, and the other side of the top end upwards extends into the side wall of the built-in barrel.

4. The explosion-proof safe LED street lamp according to claim 3, characterized in that: and a space formed between the lower part of the protective cover and the LED lamp is filled with protective gas.

5. The explosion-proof safe LED street lamp according to claim 4, characterized in that: the radiating fins extend downwards and extend into the protective cover, so that heat in the protective cover is guided out.

6. The explosion-proof safe LED street lamp according to claim 1, characterized in that: the connecting cap extends to the outside of the sleeve through a wire and is communicated with the wiring terminal.

7. The explosion-proof safe LED street lamp according to claim 1, characterized in that: and the protective gas filled in the built-in cylinder is argon or helium.

Background

An LED, i.e., a light emitting diode, is a solid semiconductor device capable of converting electric energy into visible light, and can directly convert electricity into light, so that a wide range of light emission is applied to the field of illumination. Wherein, explosion-proof LED lamp often uses in the dangerous place that contains explosive gas or powder, this kind of lamps and lanterns will probably cause the electrical components of explosion to all seal in a shell, and set up less interstitial hole on the shell, even so even if the shell is inside to produce the explosion, flame in the shell can greatly reduced energy and be not enough to explode outside gas when passing through the interstitial hole, but this kind of structure makes the interior air of shell difficult to take place the interaction, the heat that electrical components produced distributes slowly at the during operation, lamps and lanterns often are in higher temperature, lead to lamps and lanterns life to descend, simultaneously because of can not avoiding inside explosion, extremely low to lamps and lanterns inner member protectiveness.

Disclosure of Invention

The invention aims to provide an explosion-proof type safe LED street lamp with good explosion-proof performance, high safety and good heat dissipation effect aiming at the defects in the prior art.

In order to realize the technical purpose, the explosion-proof safe LED street lamp adopts the technical scheme that:

a flame-proof type safe LED street lamp comprises an LED lamp, a flame-proof mechanism arranged at the top end of the LED lamp and a heat dissipation mechanism communicated with the flame-proof mechanism, wherein a protective cover for preventing gas or powder in an external environment from entering is sleeved on the periphery of the LED lamp;

the explosion-proof mechanism comprises a sleeve, the bottom end of the sleeve is fixedly connected with the top end of the LED lamp, the sleeve extends along the direction of arrangement of the lamp, a built-in cylinder is arranged at the inner end of the sleeve, protective gas with atmospheric pressure smaller than air pressure is filled in the built-in cylinder, a sliding column which is abutted against the upper inner wall and the lower inner wall of the built-in cylinder is arranged in the built-in cylinder, a telescopic spring connected with the bottom wall of the built-in cylinder is arranged at the back of the sliding column, a connecting shaft extending out of the built-in cylinder is arranged on the outer surface of the sliding column, a cap-type connecting armature is sleeved at the end of the connecting shaft, a connecting cap is abutted against the inner wall of the connecting armature and is connected;

the heat dissipation mechanism comprises a rubber cylinder which is arranged in the sleeve and can freely slide along the extension direction of the sleeve, the rubber cylinder is arranged on the outer side of the built-in cylinder, a cavity for the rubber cylinder to move freely is formed among the tail end of the rubber cylinder, the front end of the built-in cylinder and the sleeve, a plurality of permanent magnets are embedded on the surface of the outer wall of the rubber cylinder, the top end of the rubber cylinder is provided with an L-shaped liquid blocking pipe, the end part of the L-shaped liquid blocking pipe is provided with a plug inserted into a liquid outlet at the side part of the liquid inlet pipe, the liquid outlet is sunken towards the inner side of the liquid inlet pipe, the end surface of the plug is in a cap shape, the arc-shaped bulge at the middle part is embedded in the liquid outlet, the magnet is embedded at the periphery of the arc-shaped bulge, the magnetism of the magnet is attracted with the magnetism of the permanent magnet, the liquid inlet pipe is vertically inserted in the sleeve, the top end of the permanent magnet extends out of the sleeve and is communicated with the liquid storage tank, the surface of the rubber cylinder is covered with a hydrogel layer for adsorbing water flowing out of the liquid outlet, and the permanent magnet is embedded into the hydrogel layer.

Preferably, the side part of the built-in cylinder is provided with an opening for the connecting shaft to freely move, and a gasket for preventing gas in the built-in cylinder from leaking is embedded in the opening.

Preferably, the LED lamp is surrounded by the lower portion of the protective cover, one side of the top end extends upwards into the sleeve, and the other side of the top end extends into the side wall of the built-in sleeve.

Preferably, a space formed between the lower portion of the protective cover and the LED lamp is filled with a protective gas.

Preferably, the heat dissipation fins extend downwards and extend into the protective cover, so that heat in the protective cover is guided out.

Preferably, the connecting cap extends to the outside of the sleeve through a lead and is communicated with the connecting terminal.

Preferably, the protective gas filled in the built-in cylinder is argon or helium.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the volume change of gas in the inner cavity of the sleeve is utilized to enable the rubber cylinder to trigger the liquid outlet of the liquid inlet pipe in time, so that liquid flows into the sleeve in time to dissipate heat of the LED lamp, the temperature of the lamp is firstly reduced to dissipate heat, then a pressure difference is formed between the inside and the outside of the built-in cylinder of the explosion suppression mechanism, the connection armature and the connection cap are switched on and off in time, so that electronic elements in the LED lamp are protected, and the nondestructive;

2. according to the invention, the hydrogel layer is arranged in the heat dissipation mechanism, so that condensate is fully absorbed, and the sleeve can maintain long-term heat dissipation performance;

3. according to the LED lamp, the protective cover is arranged on the periphery of the lamp, so that the LED lamp is completely covered in the protective cover, explosive gas or dust is prevented from entering the lamp, the gas or dust is prevented from being ignited by heat or sparks generated by internal electronic elements, and the safety of the lamp is effectively improved.

Drawings

FIG. 1 is an external structural view of the present invention;

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

In the figure: an LED lamp; 2. a protective cover; 3. a mounting seat; 4. a heat dissipating fin; 5. a mounting frame; 6. a wiring terminal; 7. a sleeve; 8. a built-in cartridge; 9. a sliding post; 10. a tension spring; 11. a connecting shaft; 12. connecting the armature; 13. a connecting cap; 14. a rubber cylinder; 15. a permanent magnet; 16. an L-shaped liquid blocking pipe; 17. a plug; 18. a plug; 19. a magnet; 20. a hydrogel layer.

Detailed Description

The invention will be further described with reference to the following drawings and detailed description:

as shown in fig. 1-2, a flame-proof type safe LED street lamp comprises an LED lamp 1, a flame-proof mechanism disposed at the top end of the LED lamp 1, and a heat dissipation mechanism communicated with the flame-proof mechanism, wherein a protective cover 2 for preventing gas or powder in the external environment from entering is sleeved on the periphery of the LED lamp 1, an installation base 3 is transversely disposed at the top of the heat dissipation mechanism, a heat dissipation fin 4 is disposed at the bottom of the installation base 3, an installation frame 5 is erected on the surface of the installation base, the heat dissipation fin 4 extends downwards and extends into the protective cover 2 to guide heat in the protective cover 2 out, and a connection terminal 6 disposed on the surface of the installation base 3 is disposed at the lower part of the installation frame 5;

the explosion-proof mechanism comprises a sleeve 7, the bottom end of the sleeve 7 is fixedly connected with the top end of the LED lamp 1, the sleeve 7 extends along the arrangement direction of the lamp 1, an internal barrel 8 is arranged at the inner end of the sleeve, protective gas with atmospheric pressure smaller than air pressure is filled in the internal barrel 8, the protective gas filled in the internal barrel 8 is argon gas or helium gas, a sliding column 9 which conflicts with the upper inner wall and the lower inner wall of the internal barrel 8 is arranged in the internal barrel 8, a telescopic spring 10 which is connected with the bottom wall of the internal barrel 8 is arranged at the back of the sliding column 9, a connecting shaft 11 which extends out of the internal barrel 8 is arranged on the outer surface of the sliding column, a cap-shaped connecting armature 12 is sleeved at the end part of the connecting shaft 11, a connecting cap 13 is connected with the inner wall of the connecting armature 12 in a butting manner, the connecting cap 13 is fixedly arranged on the, the protective cover 2 is filled with the same protective gas as that in the built-in cylinder 8;

the heat dissipation mechanism comprises a rubber cylinder 14 which is arranged in a sleeve 7 and can freely slide along the extension direction of the sleeve 7, the rubber cylinder 14 is arranged outside a built-in cylinder 8, a cavity for the rubber cylinder 14 to freely move is formed among the tail end of the rubber cylinder 14, the front end of the built-in cylinder 8 and the sleeve 7, a plurality of permanent magnets 15 are embedded on the outer wall surface of the rubber cylinder 14, an L-shaped liquid blocking pipe 16 is arranged at the top end of the rubber cylinder 14, a plug 18 inserted into a liquid outlet at the side part of a liquid inlet pipe 17 is arranged at the end part of the L-shaped liquid blocking pipe 16, the liquid outlet is sunken towards the inner side of the liquid inlet pipe 17, the end surface of the plug 18 is in a cap shape, an arc-shaped bulge at the middle part of the end part of the plug is embedded in the liquid outlet, a magnet 19 is embedded on the periphery of the arc-shaped bulge, the magnetism of the magnet 19 is attracted with the permanent magnets 15, the liquid inlet pipe 17 is vertically inserted in the sleeve 7, the top end of the sleeve extends out of the sleeve 7 and is communicated with a liquid storage tank, a hydrogel layer 20 for adsorbing outlet water is covered on the surface of the rubber cylinder 14, the permanent magnet 15 is embedded in the hydrogel layer 20.

An opening for the connecting shaft 11 to move freely is formed in the side portion of the built-in cylinder 8, and a gasket for preventing gas in the built-in cylinder 8 from leaking is embedded in the opening. The gasket prevents the communication of the inside and outside air flows of the built-in cylinder 8.

The LED lamp 1 is surrounded by the lower portion of the protective cover 2, one side of the top end upwards extends into the sleeve 7, the other side of the top end upwards extends into the side wall of the built-in cylinder 8, and protective gas is filled in a space formed between the lower portion of the protective cover 2 and the LED lamp 1. By arranging the protective cover 2, the air pressure inside the built-in cylinder 8 is consistent with the air pressure outside the LED lamp 1 and is smaller than the air pressure outside the built-in cylinder 8, so that the connection armature 12 is tightly connected with the connection cap 13.

When the LED lamp works, the lamp is fixedly installed by the installation frame 5, the air pump is connected, the protective gas is filled into the built-in cylinder 8, when the protection cover 2 is not damaged, the external gas pressure of the built-in cylinder 8 in the sleeve 7 is greater than the internal gas of the built-in cylinder 7, so the connection armature 12 is tightly connected with the connection cap 13, and the LED lamp 1 works normally;

according to the invention, the protection cover 2 is arranged, the protection cover 2 is utilized to externally protect the LED lamp 1, explosive gas or powder in an external environment is isolated from entering the LED lamp 1, the explosion of the explosive gas or powder caused by heat or sparks generated when components in the LED lamp 1 work is prevented, and the primary protection is formed on the lamp;

when the heat generated by the LED lamp 1 is gradually accumulated, the permanent magnet 15 is influenced by heat and the magnetism is reduced, the suction force between the permanent magnet 15 and the magnet 19 is reduced, the plug 18 is gradually changed from tightly abutting against the liquid outlet to be separated from the liquid outlet, the liquid in the liquid storage tank enters the sleeve 7 from the liquid inlet pipe 17 through the liquid outlet, so that the external part of the built-in cylinder 8 keeps low-temperature atmospheric pressure and radiates the LED lamp 1, the hydrogel layer 20 stores the inflowing water for long-term cooling and radiation, when the protective cover 2 is exploded, the internal part of the built-in cylinder 8 is mixed with hot air pressure, namely the internal pressure of the built-in cylinder 8 is higher than the external pressure, the sliding column 9 is pushed to move towards the external side of the built-in cylinder 8, the connecting armature 12 is driven to be disconnected with the connecting cap 13, the power is immediately cut off for protection, the devices in the lamp are protected, the explosion suppression of the LED lamp 1 is quickly realized, and the invention synchronously realizes the heat radiation and the explosion suppression, the LED lamp and the LED lamp are mutually assisted, and the whole service life of the LED lamp is prolonged.

Therefore, the invention is not to be limited to the specific embodiments, but rather, all equivalent changes and modifications in the shapes, structures, characteristics and spirit of the invention are intended to be included within the scope of the appended claims.