CN210638001U - Automatic explosion-proof lamp of outage - Google Patents
Automatic explosion-proof lamp of outage Download PDFInfo
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- CN210638001U CN210638001U CN201922095992.1U CN201922095992U CN210638001U CN 210638001 U CN210638001 U CN 210638001U CN 201922095992 U CN201922095992 U CN 201922095992U CN 210638001 U CN210638001 U CN 210638001U
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- proof lamp
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- lamp
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Abstract
The utility model discloses an automatic explosion-proof lamp of outage, including explosion-proof lamp main part, lamp shade and lamp stand, still include the fixed plate that divide into electricity connection chamber and electrical apparatus chamber about with explosion-proof lamp main part, connect the negative terminal that the electricity intracavity was provided with the fixed plate and set up positive terminal with the slidable, be provided with positive terminal and negative terminal on the lamp stand, the electrical apparatus intracavity rotationally is provided with the outage post of taking torsion spring and is used for connecting the L type connecting rod of positive terminal and helicla flute, and outage post intermediate position is provided with the spiral plate of taking the helicla flute, the spiral plate below is provided with the temperature detect switch who carries out spacing limit structure and be used for responding to explosion-proof lamp temperature to the spiral groove, has the automatic circuit break of explosion-proof lamp when the high temperature, effect safe in utilization.
Description
Technical Field
The utility model relates to an explosion-proof lamp technical field, more specifically say that it relates to an explosion-proof lamp of automatic power-off.
Background
The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, and can prevent electric arcs and sparks possibly generated in the lamp shell and high temperature from igniting the combustible gas and dust in the surrounding environment, so that the explosion-proof lamp can meet the explosion-proof requirement. The explosion-proof lamp inevitably can produce a large amount of heats in lamp inside in the use, current explosion-proof lamp mostly dispels the heat to the explosion-proof lamp through the mode that sets up the fin in the lamp body outside, but the radiating efficiency of fin makes limitedly, if the explosion-proof lamp lasts long-time work, the radiating rate of fin will not follow up the heat production speed of explosion-proof lamp, the lamp body surface temperature that will lead to the explosion-proof lamp risees, there is the danger of combustible gas and dust in the ignition surrounding environment.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic explosion-proof lamp of outage, automatic circuit break when having explosion-proof lamp high temperature, effect safe in utilization.
In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic power-off explosion-proof lamp comprises an explosion-proof lamp body, a lamp shade, a lamp holder and a fixing plate, wherein the fixing plate is used for dividing the explosion-proof lamp body into a power-on cavity and an electric appliance cavity from top to bottom, a negative terminal and a positive terminal which penetrate through the fixing plate are arranged in the power-on cavity, the positive terminal is slidably arranged at the central position of the fixing plate, the negative terminal is connected with a conducting ring which is coaxial with the positive terminal, the lamp holder is provided with a positive terminal and a negative terminal which correspond to the positive terminal and the negative terminal respectively and act on the positive terminal and the negative terminal respectively in an elastic manner, a power-off post with a torsion spring is rotatably arranged in the electric appliance cavity, the upper end of the power-off post penetrates through the fixing plate, the middle position of the power-off post is provided with a spiral plate, a spiral groove is arranged on the spiral plate, a limiting structure, the electric appliance cavity is also provided with an L-shaped connecting rod used for connecting the positive terminal and the spiral groove, one end of the L-shaped connecting rod is fixedly connected with the positive terminal, and the other end of the L-shaped connecting rod slidably penetrates through the spiral groove and is limited through a limiting bead in threaded fit with the L-shaped screw.
Further, limit structure includes set casing, locking pole, spring and sets up in locking pole below electro-magnet, locking pole slidable passes the set casing up end and inserts the helicla flute setting, and the locking pole lower extreme is provided with the stopper, and the locking pole upper end is provided with the separation blade, the spring housing is established on the locking pole and respectively the elastic action is in set casing and separation blade.
Furthermore, the fixed plate is clamped on the inner wall of the explosion-proof lamp main body through a clamp spring.
Furthermore, lugs are symmetrically arranged on the side face of the upper end of the power-off column.
To sum up, the utility model discloses following beneficial effect has: when the inside temperature of explosion-proof lamp rises to a definite value, temperature detect switch can open, make the electro-magnet have magnetism, attract the locking pole downstream of its top, the locking pole upper end can leave the helicla flute this moment, the outage post takes place to rotate under torsion spring's effect, because L type connecting rod one end is that slidable passes the helicla flute setting, and carry on spacingly through spacing pearl, so L type connecting rod will take anodal terminal downstream under the effect of spiral plate, make anodal terminal and anodal terminal separation, realize opening circuit of explosion-proof lamp, have the effect of avoiding the explosion-proof lamp to produce the explosion danger because of the high temperature.
Drawings
FIG. 1 is a schematic sectional view of an explosion-proof lamp with automatic power-off according to the present embodiment;
FIG. 2 is a schematic diagram of an explosion-proof lamp with automatic power-off function according to the present embodiment;
fig. 3 is a partially enlarged schematic view of an explosion-proof lamp of the present embodiment which is automatically powered off.
Reference numerals: 1. an explosion-proof lamp body; 2. a lamp shade; 3. a lamp socket; 4. a fixing plate; 5. a negative terminal; 6. a positive terminal; 7. conducting rings; 8. a positive terminal; 9. a negative terminal; 10. a power-off post; 11. a spiral plate; 12. a helical groove; 13. a temperature control switch; 14. an L-shaped connecting rod; 15. a stationary case; 16. a lock lever; 17. a limiting block; 18. a spring; 19. an electromagnet; 20. a baffle plate; 21. a clamp spring; 22. a limiting bead; 23. and (4) ear convex.
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.
As shown in fig. 1-3, an explosion-proof lamp capable of automatically powering off includes an explosion-proof lamp body 1, a lamp shade 2, a lamp holder 3, and a fixing plate 4 for vertically dividing the explosion-proof lamp body 1 into a power connection chamber and an electrical appliance chamber, a negative terminal 5 and a positive terminal 6 penetrating through the fixing plate 4 are disposed in the power connection chamber, the positive terminal 6 is slidably disposed at a central position of the fixing plate 4, the negative terminal 5 is connected with a conducting ring 7 coaxially disposed with the positive terminal 6, the lamp holder 3 is provided with a positive terminal 8 and a negative terminal 9 respectively corresponding to the positive terminal 6 and the negative terminal 5 and respectively elastically acting thereon, a power-off post 10 with a torsion spring is rotatably disposed in the electrical appliance chamber, an upper end of the power-off post 10 penetrates through the fixing plate 4, a spiral plate 11 is disposed at a middle position of the power-off post 10, a spiral groove 12 is disposed on the spiral plate 11, spiral plate 11 below is provided with carries out spacing limit structure and the temperature detect switch 13 that is used for responding to explosion-proof lamp temperature to spiral groove 12, the electrical apparatus intracavity still is provided with the L type connecting rod 14 that is used for connecting anodal terminal 6 and helicla flute 12, just 14 one end of L type connecting rod and anodal terminal 6 fixed connection, the other end slidable passes helicla flute 12 and carries on spacingly through the spacing pearl 22 with L type screw rod screw-thread fit.
In this embodiment, when the temperature inside the explosion-proof lamp rises to a certain value, the temperature controlled switch 13 is turned on to release the limit structure from the spiral groove 12, and at this time, the power-off post 10 rotates under the action of the torsion spring, and since one end of the L-shaped link 14 is slidably disposed through the spiral groove 12 and is limited by the limit bead 22, the L-shaped link 14 moves downward with the positive terminal 6 under the action of the spiral plate 11, so that the positive terminal 6 is separated from the positive terminal 8, and the explosion-proof lamp is turned off. After the temperature of the explosion-proof lamp is reduced, the power-off post 10 can be manually rotated to reset, at the moment, the L-shaped connecting rod 14 drives the positive terminal 6 to move upwards under the action of the spiral plate 11, and the limiting structure locks and limits the spiral groove 12 again.
As a modified specific embodiment, the limiting structure includes a fixed shell 15, a locking rod 16, a spring 18 and an electromagnet 19 disposed below the locking rod 16, the locking rod 16 slidably passes through the upper end face of the fixed shell 15 and is inserted into the spiral groove 12, the lower end of the locking rod 16 is provided with a limiting block 17, the upper end of the locking rod 16 is provided with a blocking piece 20, and the spring 18 is sleeved on the locking rod 16 and elastically acts on the fixed shell 15 and the blocking piece 20 respectively. In this embodiment, when the explosion-proof lamp normally works, the locking rod 16 is always inserted into the spiral groove 12 under the action of the spring 18 to prevent the rotation of the power-off post 10, so as to play a locking role, when the temperature inside the explosion-proof lamp rises to a certain value, the temperature controlled switch 13 is turned on, through the electromagnetic effect, the electromagnet 19 is made to have magnetism, the locking rod 16 above the electromagnet is attracted to move downwards, at this time, the upper end of the locking rod 16 leaves the spiral groove 12, and the locking role on the power-off post 10 is released. After the explosion-proof lamp is powered off, the magnetism of the electromagnet 19 disappears, the locking rod 16 abuts against the lower end face of the spiral plate 11 under the action of the spring 18, after the power-off column 10 is reset and rotated, the spiral groove 12 rotates above the locking rod 16 again, the locking rod 16 can be inserted into the spiral groove 12 again, and the locking of the power-off column 10 is limited.
As an improved specific embodiment, the fixing plate 4 is clamped on the inner wall of the explosion-proof lamp body 1 through a clamp spring 21. In this embodiment, carry out the joint through jump ring 21 to fixed plate 4 and fix, be convenient for to the dismouting and the maintenance of explosion-proof lamp inner structure.
As a modified embodiment, the lateral surface of the upper end of the power-off post 10 is symmetrically provided with lugs 23. In the present embodiment, the provision of the lug 23 facilitates the reset operation of the positive terminal 6 by the user after the power-off of the explosion-proof lamp.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides an automatic explosion-proof lamp of outage, includes explosion-proof lamp main part, lamp shade and lamp stand, its characterized in that: the explosion-proof lamp comprises an explosion-proof lamp body, and is characterized by further comprising a fixing plate which vertically divides the explosion-proof lamp body into a power connection cavity and an electric appliance cavity, wherein a negative terminal and a positive terminal which penetrate through the fixing plate are arranged in the power connection cavity, the positive terminal is slidably arranged in the center of the fixing plate, the negative terminal is connected with a conducting ring which is coaxially arranged with the positive terminal, a positive terminal and a negative terminal which correspond to the positive terminal and the negative terminal respectively and act on the positive terminal and the negative terminal respectively in an elastic manner are arranged on a lamp holder, a power-off column with a torsion spring is rotatably arranged in the electric appliance cavity, the upper end of the power-off column penetrates through the fixing plate, a spiral plate is arranged in the middle of the power-off column, a spiral groove is arranged on the spiral plate, a limiting structure for limiting the spiral groove and a temperature control switch for sensing the temperature of the, and one end of the L-shaped connecting rod is fixedly connected with the positive terminal, and the other end of the L-shaped connecting rod slidably penetrates through the spiral groove and is limited through a limiting bead in threaded fit with the L-shaped screw.
2. The explosion-proof lamp of claim 1, wherein: limiting structure includes set casing, locking pole, spring and sets up in locking pole below electro-magnet, locking pole slidable ground passes the set casing up end and inserts the helicla flute setting, and the locking pole lower extreme is provided with the stopper, and the locking pole upper end is provided with the separation blade, the spring housing is established on the locking pole and respectively the elastic action on set casing and separation blade.
3. The explosion-proof lamp of claim 2, wherein: the fixed plate is clamped on the inner wall of the explosion-proof lamp main body through the clamp spring.
4. The explosion-proof lamp of claim 1, wherein: the lateral surface of the upper end of the power-off column is symmetrically provided with lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095992.1U CN210638001U (en) | 2019-11-28 | 2019-11-28 | Automatic explosion-proof lamp of outage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095992.1U CN210638001U (en) | 2019-11-28 | 2019-11-28 | Automatic explosion-proof lamp of outage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210638001U true CN210638001U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922095992.1U Active CN210638001U (en) | 2019-11-28 | 2019-11-28 | Automatic explosion-proof lamp of outage |
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| Country | Link |
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| CN (1) | CN210638001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553279A (en) * | 2023-12-22 | 2024-02-13 | 东莞市百亮光电科技有限公司 | LED fireproof down lamp |
-
2019
- 2019-11-28 CN CN201922095992.1U patent/CN210638001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553279A (en) * | 2023-12-22 | 2024-02-13 | 东莞市百亮光电科技有限公司 | LED fireproof down lamp |
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