CN221660578U - Over-pressure protection device of lifting type charging pile - Google Patents
Over-pressure protection device of lifting type charging pile Download PDFInfo
- Publication number
- CN221660578U CN221660578U CN202323108827.8U CN202323108827U CN221660578U CN 221660578 U CN221660578 U CN 221660578U CN 202323108827 U CN202323108827 U CN 202323108827U CN 221660578 U CN221660578 U CN 221660578U
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- charging pile
- protection
- connecting plate
- fixedly installed
- protection device
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 7
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 16
- -1 but not limited to Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 208000018883 loss of balance Diseases 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to the technical field of safety protection of charging piles and discloses an overvoltage protection device of a lifting type charging pile, which comprises a ground, wherein a fixed outer cylinder is arranged on one side of the ground, a lifting inner cylinder is slidably arranged on one side of the fixed outer cylinder, a control cabinet for controlling the fixed outer cylinder and the lifting inner cylinder is arranged on one side of the fixed outer cylinder, and a protection component for performing fire prevention and fire extinguishment after the charging pile is subjected to overvoltage and temperature rise is arranged on one side of the fixed outer cylinder; through setting up protection component, closing assembly and drive assembly, reach when charging pile takes place the excessive pressure, inside temperature can constantly rise, reach the back of certain degree, drive assembly's fusible link will break, after losing the fixed effect of fusible link, closing assembly can close the power of charging pile, and protection assembly can release gaseous carbon dioxide simultaneously, carries out the processing of preventing fires or putting out a fire to charging pile inside.
Description
Technical Field
The utility model relates to the technical field of safety protection of charging piles, in particular to an overvoltage protection device of a lifting type charging pile.
Background
The charging pile is a charging device for providing energy supplement for electric vehicles, has functions similar to that of oiling machines in gas stations, can be fixed on the ground or on a wall, is installed in parking lots or charging stations of public buildings and residential communities, can charge electric vehicles of various types according to different voltage levels, is more and more in new energy vehicles, is more and more in number, and is very important for protecting the charging pile.
For example, in the chinese patent of publication No. CN212073739U, an overvoltage protection device for a charging pile of a new energy automobile is disclosed, where in the above prior art, although a fixing clamp block can be guaranteed to move on a straight line position to ensure the firmness and stability of clamping a connecting wire, and avoid the situation that a potential safety hazard exists due to loosening of a wire in the actual use process, the overvoltage problem of the charging pile is not only caused by loosening of the wire, but also the charging pile is likely to generate overvoltage due to factors such as abnormal power supply of a power grid, failure of a charging device, electromagnetic interference and the like, so that the charging pile needs to be protected in time when the charging pile is overvoltage, and the situation that a fire disaster is caused due to continuous increase of temperature caused by overvoltage is avoided, so that a protection device for limiting and protecting the charging pile after the overvoltage is needed.
Disclosure of utility model
In order to solve the technical problems that when the charging pile is subjected to overvoltage, the charging pile can be timely protected, and the problem that fire disaster is caused by continuous temperature rise caused by the overvoltage, so that larger loss and personnel injury are caused is solved.
The utility model is realized by adopting the following technical scheme: the utility model provides an over-and-under type fills electric pile's overvoltage protection device, includes ground, one side on ground is equipped with fixed urceolus, one side of fixed urceolus slides and is provided with the lift inner tube, one side of fixed urceolus is equipped with the switch board that is used for controlling fixed urceolus and lift inner tube, one side of fixed urceolus is equipped with and carries out the protection subassembly that fires prevention and put out a fire after charging pile excessive pressure intensifies, the inside of switch board is equipped with and closes the subassembly after charging pile excessive pressure to the charging pile power after, the inside of fixed urceolus is equipped with the drive assembly who drives protection subassembly and close the subassembly and carry out work after charging pile excessive pressure intensifies.
Through above-mentioned technical scheme, after the inside temperature rise because of excessive pressure of charging pile, drive assembly will drive protection component and close the subassembly and work, will charge the pile and carry out the power and close and put out a fire to its inside fire prevention.
As a further improvement of the scheme, a communication port communicated with the inner cavity is formed in one side of the fixed outer cylinder, a protection box is fixedly arranged on one side of the communication port, the protection assembly comprises a gas box fixedly arranged inside the protection box and provided with a gas outlet, and a sealing plate arranged on the gas outlet in a sealing manner, and gaseous carbon dioxide is arranged inside the gas box.
Through above-mentioned technical scheme, after the closing plate is opened, gaseous carbon dioxide will get into the inside of filling electric pile, carries out fire prevention or puts out a fire.
As a further improvement of the scheme, one side fixed mounting of gas tank has the fixed strip, one side of fixed strip rotates and installs the axis of rotation that rotates the installation with the closing plate, one side of gas tank slides and is provided with the stopper that carries out fixed spacing with the closing plate, the surface slip cap of stopper is equipped with the spacing frame with gas tank fixed mounting, one side fixed mounting of closing plate has the fixed plate, one side fixed mounting of fixed plate has the push spring of one end and stopper contact laminating, the screens groove with closing plate looks adaptation has been seted up to one side of stopper.
Through above-mentioned technical scheme, under the condition that fills electric pile for normal use, the stopper can cooperate spacing frame to block the closing plate, prevents that the closing plate from opening by oneself.
As the further improvement of above-mentioned scheme, the inside of switch board is equipped with the switch of control charging pile power, close the subassembly including setting up in switch one side and switch board inner wall fixed mounting's first connecting plate, setting up in first connecting plate one side and switch board inner wall sliding fit's second connecting plate and two fixed mounting drive spring between first connecting plate and second connecting plate, the sliding tray has been seted up to one side of switch board inner wall, the inside sliding fit of sliding tray has the sliding block with second connecting plate fixed mounting.
Through the technical scheme, after the fuse wire breaks, the second connecting plate is pushed by the driving spring to close the power switch.
As the further improvement of above-mentioned scheme, drive assembly establishes the fixed block on the fusing line including setting up the fusing line and fixed cover in the inside of protection box, the one end and the inner wall fixed mounting of protection box of fusing line, the other end of fusing line runs through protection box, switch board and first connecting plate in proper order and with one side fixed mounting of second connecting plate, one side of fixed block laminates mutually with one side of stopper.
Through above-mentioned technical scheme, after fill electric pile inside because excessive pressure leads to the temperature to rise constantly, the fuse will melt the fracture, loses the restriction of fuse, and protection component and drive assembly will work.
As a further improvement of the scheme, the sliding sleeve is provided with a sliding ring, one side of the sliding ring is fixedly provided with a connecting column, two ends of the connecting column are fixedly provided with balancing weights, and one side of each of the two balancing weights is fixedly provided with a pulling line with one end fixedly connected with the sealing plate.
Through above-mentioned technical scheme, after the fuse breaks off, the balancing weight will lose fixed strength and drop downwards, pulls the line of pulling, and supplementary closing plate opens.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the protection component, the closing component and the driving component are arranged, so that when the charging pile is subjected to overvoltage, the internal temperature can be continuously increased, after a certain degree of overvoltage is reached, the fuse wire of the driving component can be broken, after the fixing effect of the fuse wire is lost, the closing component can close the power supply of the charging pile, and meanwhile, the protection component can release gaseous carbon dioxide to perform fireproof or fire extinguishing treatment on the inside of the charging pile.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of a closure assembly according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of the protection box of the present utility model;
fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present utility model.
Main symbol description:
1. Ground surface; 2. fixing the outer cylinder; 3. lifting the inner cylinder; 4. a control cabinet; 501. a gas box; 502. a sealing plate; 601. a first connection plate; 602. a second connecting plate; 603. a drive spring; 701. a fuse wire; 702. a fixed block; 8. a protection box; 9. a fixing strip; 10. a limiting block; 11. a limit frame; 12. a fixing plate; 13. a pushing spring; 14. a power switch; 15. a slip ring; 16. a connecting column; 17. balancing weight; 18. pulling the wire.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Please combine fig. 1-4, an overvoltage protection device of lifting type charging pile of this embodiment, including ground 1, one side on ground 1 is equipped with fixed urceolus 2, one side of fixed urceolus 2 slides and is provided with lift inner tube 3, one side of fixed urceolus 2 is equipped with the switch board 4 that is used for controlling fixed urceolus 2 and lift inner tube 3, one side of fixed urceolus 2 is equipped with and carries out the protection subassembly that prevents fires and put out a fire after the charging pile excessive pressure intensifies, the inside of switch board 4 is equipped with and closes the subassembly after the charging pile excessive pressure carries out the closing to the charging pile power, the inside of fixed urceolus 2 is equipped with and drives the drive assembly that protection subassembly and closing the subassembly and carry out work after the charging pile excessive pressure intensifies.
Referring to fig. 3 and 4, a communication port which is communicated with the inner cavity is formed in one side of the fixed outer cylinder 2, a protection box 8 is fixedly mounted on one side of the communication port, the protection assembly comprises a gas box 501 fixedly mounted inside the protection box 8 and provided with a gas outlet, and a sealing plate 502 which is arranged on the gas outlet in a sealing manner, gaseous carbon dioxide is arranged inside the gas box 501, a fixing strip 9 is fixedly mounted on one side of the gas box 501, a rotating shaft which is rotatably mounted with the sealing plate 502 is rotatably mounted on one side of the fixing strip 9, a limiting block 10 which is fixedly limiting the sealing plate 502 is slidably mounted on one side of the gas box 501, a limiting frame 11 which is fixedly mounted with the gas box 501 is sleeved on the outer surface sliding sleeve of the limiting block 10, a fixing plate 12 is fixedly mounted on one side of the sealing plate 12, a pushing spring 13 which is in contact with the limiting block 10 is mounted on one side of the fixing plate 12, a clamping groove which is matched with the sealing plate 502 is formed in one side of the limiting block 10, and the limiting block 10 is blocked by the limiting block 11 under the condition that the charging pile is normal use, and the sealing plate 502 is prevented from being opened by the sealing plate itself.
Referring to fig. 1 and 2, a power switch 14 for controlling a power supply of a charging pile is arranged in the control cabinet 4, the closing assembly comprises a first connecting plate 601 arranged on one side of the power switch 14 and fixedly mounted on the inner wall of the control cabinet 4, a second connecting plate 602 arranged on one side of the first connecting plate 601 and slidably mounted on the inner wall of the control cabinet 4, and two driving springs 603 fixedly mounted between the first connecting plate 601 and the second connecting plate 602, a sliding groove is formed in one side of the inner wall of the control cabinet 4, a sliding block fixedly mounted with the second connecting plate 602 is slidably mounted in the sliding groove, and after a fuse 701 breaks, the second connecting plate 602 is pushed by the driving springs 603 to close the power switch 14.
Referring to fig. 2-4, the driving assembly includes a fuse 701 disposed inside the protection box 8 and a fixing block 702 fixedly sleeved on the fuse 701, wherein the fuse 701 is made of materials including, but not limited to, polyethylene, polypropylene, polystyrene and polyvinyl alcohol, the melting point of the materials is more than 100 degrees celsius, the inside of the charging pile which normally works does not have such high temperature, one end of the fuse 701 is fixedly mounted on the inner wall of the protection box 8, the other end of the fuse 701 sequentially penetrates through the protection box 8, the control cabinet 4 and the first connecting plate 601 and is fixedly mounted on one side of the second connecting plate 602, one side of the fixing block 702 is attached to one side of the limiting block 10, a sliding ring 15 is slidably sleeved on the fuse 701, a connecting post 16 is fixedly mounted on one side of the sliding ring 15, two ends of the connecting post 16 are fixedly mounted with balancing weights 17, one sides of the two balancing weights 17 are fixedly mounted with a pulling wire 18, after the fuse is disconnected, the pulling wire 18 loses fixed strength and falls down, and the sealing plate 502 is assisted to be opened.
The embodiment of the application provides an over-voltage protection device for a lifting type charging pile, which comprises the following implementation principle: when the charging pile is over-pressurized, the internal temperature is continuously increased, after the temperature reaches a certain level, the fuse wire 701 is melted and broken, after the fuse wire 701 is broken, the second connecting plate 602 loses tension limitation, the second connecting plate is pushed by the elastic force of the driving spring 603 to move downwards, the power switch 14 is pushed to be closed in the downward moving process, after the power supply of the whole charging pile is closed, the fixing block 702 also loses the position fixing of the limiting block 10, the pushing spring 13 can push the limiting block 10, after the limiting block 10 is pushed, the blocking of the sealing plate 502 is lost, meanwhile, after the fuse wire 701 is broken, the sliding ring 15 slides due to the loss of balance, the connecting post 16 and the balancing weight 17 connected with the sliding ring 15 pull the two pulling wires 18 due to the suddenly-falling force, the two pulling wires 18 help the sealing plate 502 to be opened, after the sealing plate 502 is opened, the internal gaseous carbon dioxide enters the charging pile, the oxygen is diluted to prevent ignition, or the ignition is extinguished, and the power supply is closed, so that the power supply is not continuously electrified.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (6)
1. The utility model provides an over-and-under type fills overvoltage protection device of electric pile, includes ground (1), one side of ground (1) is equipped with fixed urceolus (2), one side of fixed urceolus (2) is provided with lift inner tube (3) in a sliding way, one side of fixed urceolus (2) is equipped with switch board (4) that are used for controlling fixed urceolus (2) and lift inner tube (3), a serial communication port, one side of fixed urceolus (2) is equipped with and carries out fire prevention and fire extinguishing's protection component after charging pile excessive pressure intensification, the inside of switch board (4) is equipped with and closes the subassembly after charging pile excessive pressure to charging pile power and close, the inside of fixed urceolus (2) is equipped with and drives the drive assembly that protection component and close the subassembly and carry out work after charging pile excessive pressure intensification.
2. The over-pressure protection device of the lifting charging pile according to claim 1, wherein a communication port communicated with the inner cavity is formed on one side of the fixed outer cylinder (2), a protection box (8) is fixedly arranged on one side of the communication port, the protection assembly comprises a gas box (501) fixedly arranged inside the protection box (8) and provided with an exhaust port and a sealing plate (502) arranged on the exhaust port in a sealing manner, and gaseous carbon dioxide is arranged inside the gas box (501).
3. The over-pressure protection device of a lifting type charging pile according to claim 2, wherein a fixing strip (9) is fixedly installed on one side of the gas tank (501), a rotating shaft which is rotatably installed on one side of the fixing strip (9) and is rotatably installed with the sealing plate (502) is slidably arranged on one side of the gas tank (501), a limiting block (10) which is used for fixing and limiting the sealing plate (502) is slidably arranged on one side of the gas tank (501), a limiting frame (11) which is fixedly installed with the gas tank (501) is slidably sleeved on the outer surface of the limiting block (10), a fixing plate (12) is fixedly installed on one side of the sealing plate (502), a pushing spring (13) which is in contact fit with the limiting block (10) is fixedly installed on one side of the fixing plate (12), and a clamping groove which is matched with the sealing plate (502) is formed on one side of the limiting block (10).
4. An overvoltage protection device for a lifting type charging pile according to claim 3, wherein a power switch (14) for controlling a charging pile power supply is arranged in the control cabinet (4), the closing assembly comprises a first connecting plate (601) fixedly arranged on one side of the power switch (14) and the inner wall of the control cabinet (4), a second connecting plate (602) arranged on one side of the first connecting plate (601) and in sliding fit with the inner wall of the control cabinet (4) and two driving springs (603) fixedly arranged between the first connecting plate (601) and the second connecting plate (602), a sliding groove is formed in one side of the inner wall of the control cabinet (4), and a sliding block fixedly arranged on the inner sliding groove is in sliding fit with the second connecting plate (602).
5. The over-voltage protection device for lifting charging piles according to claim 4, wherein the driving assembly comprises a fuse wire (701) arranged in the protection box (8) and a fixing block (702) fixedly sleeved on the fuse wire (701), one end of the fuse wire (701) is fixedly installed on the inner wall of the protection box (8), the other end of the fuse wire (701) sequentially penetrates through the protection box (8), the control cabinet (4) and the first connecting plate (601) and is fixedly installed on one side of the second connecting plate (602), and one side of the fixing block (702) is attached to one side of the limiting block (10).
6. The overvoltage protection device of a lifting type charging pile according to claim 5, wherein a sliding ring (15) is sleeved on the fuse link (701) in a sliding manner, a connecting column (16) is fixedly installed on one side of the sliding ring (15), balancing weights (17) are fixedly installed at two ends of the connecting column (16), and a pulling line (18) with one end fixedly connected with the sealing plate (502) is fixedly installed on one side of each of the two balancing weights (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323108827.8U CN221660578U (en) | 2023-11-16 | 2023-11-16 | Over-pressure protection device of lifting type charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323108827.8U CN221660578U (en) | 2023-11-16 | 2023-11-16 | Over-pressure protection device of lifting type charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221660578U true CN221660578U (en) | 2024-09-06 |
Family
ID=92583225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323108827.8U Active CN221660578U (en) | 2023-11-16 | 2023-11-16 | Over-pressure protection device of lifting type charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221660578U (en) |
-
2023
- 2023-11-16 CN CN202323108827.8U patent/CN221660578U/en active Active
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