CN220298316U - Overload protection device of charging pile - Google Patents
Overload protection device of charging pile Download PDFInfo
- Publication number
- CN220298316U CN220298316U CN202321862111.4U CN202321862111U CN220298316U CN 220298316 U CN220298316 U CN 220298316U CN 202321862111 U CN202321862111 U CN 202321862111U CN 220298316 U CN220298316 U CN 220298316U
- Authority
- CN
- China
- Prior art keywords
- insulating
- fixed
- conductive block
- charging pile
- overload protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an overload protection device of a charging pile, which belongs to the technical field of charging piles, and comprises an insulating shell, wherein a mounting plate is fixed in the insulating shell; the current detection module is fixed on the mounting plate; the charging structure comprises an insulating pipeline fixed in the insulating shell, a fixed conductive block fixedly connected with the insulating pipeline, and a movable conductive block in guide sliding fit with the insulating pipeline; the automatic power-off structure is in control connection with the controller; the charging plug is inserted into the movable conductive block, the charging plug is pushed into the fixed conductive block, the temperature sensor can detect the temperature in the circuit, when the temperature is too high, the controller controls the fan to start, the inside of the insulating shell is radiated, the current detection module is used for detecting the current change in the circuit, and when the current is overloaded, the automatic power-off structure starts, so that the movable conductive block is disconnected with the fixed conductive block, and the movable conductive block can be timely powered off to prevent fire.
Description
Technical Field
The utility model belongs to the technical field of charging piles, and particularly relates to an overload protection device of a charging pile.
Background
At present, the overload protection of the charging pile becomes one of indispensable devices in the charging equipment, and along with the continuous development of the overload protection of the charging pile, the overload protection of the charging pile is widely applied with the unique advantages of the overload protection of the charging pile, and can effectively protect a charging circuit and an electric element.
The existing electric vehicle charging pile is generally provided with an overload protection device, the overload protection device comprises a current detection device, a controller in control connection with the current detection device and a heat dissipation device in control connection with the controller, when the charging pile is overloaded, the current detection device detects that the current is overlarge, signals are transmitted to the controller, and the controller controls the heat dissipation device to dissipate heat of the charging pile, so that potential safety hazards caused by rapid temperature rise of the charging pile due to overload are avoided. However, the existing overload protection device is only set by reducing the temperature of the charging pile, and the root cause of the overload of the charging pile (namely, the current suddenly increases) is interfered, so that the effect of the charging pile overload protection device is not ideal.
Disclosure of Invention
The utility model aims to provide an overload protection device for a charging pile, and aims to solve the problem that the existing overload protection device in the prior art only sets from the reduction of the temperature of the charging pile, intervenes on the root cause of overload of the charging pile (namely, the current suddenly becomes large), and causes the effect of the overload protection device for the charging pile to be not ideal.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an overload protection device of a charging pile, comprising: an insulating housing in which a mounting plate is fixed; the current detection module is fixed on the mounting plate; the controller is fixed on the mounting plate, and the current detection module is in control connection with the controller; the charging structure is fixed in the insulating shell; the charging structure comprises an insulating pipeline fixed in the insulating shell, a fixed conductive block fixedly connected with the insulating pipeline, and a movable conductive block in guide sliding fit with the insulating pipeline; the automatic power-off structure is in control connection with the controller; the automatic power-off structure comprises an elastic telescopic structure arranged between the movable conductive block and the fixed conductive block and a limiting structure for limiting the movable conductive block through the elastic telescopic structure; the insulating shell is provided with an avoidance hole for avoiding the insulating pipeline, and the movable conductive block is correspondingly arranged with the avoidance hole; the movable conductive block is provided with a jack for being inserted and matched with a charger plug; the fixed conducting block is fixedly connected with the mounting plate and is used for being electrically connected with a wire extending into the insulating shell.
As one preferable mode of the utility model, the elastic telescopic structure is arranged between the insulating pipeline and the bottom wall of the insulating shell, and comprises an insulating sliding block fixed below the movable conducting block and an insulating spring arranged between the insulating sliding block and the mounting plate; and a guide groove for avoiding the connection part of the movable conductive block and the insulating sliding block is formed in the lower part of the insulating pipeline.
As one preferable mode of the utility model, the heat dissipating device comprises a heat dissipating box arranged on one side of the charging pile body, the limiting structure is arranged on the rear side of the elastic telescopic structure, the limiting structure comprises an electric telescopic rod fixed on the rear side of the insulating shell and a jacking block fixedly connected with the output end of the electric telescopic rod, the jacking block is used for jacking and matching with the rear side of the insulating sliding block when the electric telescopic rod stretches out, and the electric telescopic rod is in control connection with the controller.
As one preferable aspect of the utility model, the front side wall and the rear side wall of the insulating housing are both provided with heat dissipation slots, and a heat dissipation device is arranged at a position corresponding to the heat dissipation slots on the rear side of the insulating housing, and the heat dissipation device comprises a heat dissipation box fixed on the rear side of the insulating housing and a fan rotatably arranged in the heat dissipation box.
As one preferable mode of the utility model, the automatic power-off device comprises a connecting pipeline communicated with the power-on pipeline, the mounting plate is provided with a temperature sensor, the temperature sensor is in control connection with the controller, and the fan is in control connection with the controller.
Preferably, a display screen is arranged on the right side of the insulating shell, and the display screen is in control connection with the controller.
In one preferred aspect of the present utility model, the insulating housing has a rectangular parallelepiped structure having a hollow interior.
Preferably, the avoiding hole is arranged below the display screen.
Compared with the prior art, the utility model has the beneficial effects that:
this overload protection device who fills electric pile inserts movable conductive block with charging plug in, pushes into fixed conductive block with it, and temperature sensor can detect the temperature in the circuit, and when the temperature was too high, the controller controlled fan started, dispels the heat to insulating housing inside, and current detection module is arranged in detecting the electric current variation in the circuit, and when current was overloaded, automatic outage structure started for movable conductive block and fixed conductive block disconnection, thereby can in time outage, prevent to produce the conflagration.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model;
fig. 4 is a schematic cross-sectional structure of an embodiment of the present utility model.
In the figure: 10. an insulating housing; 11. a mounting plate; 12. a heat dissipation long hole; 13. a heat radiation box; 14. a blower; 15. a temperature sensor; 16. a current detection module; 17. a controller; 20. a charging structure; 21. an insulated pipe; 22. fixing the conductive block; 23. a movable conductive block; 30. an automatic power-off structure; 31. an insulating slider; 32. an insulating spring; 33. an electric telescopic rod; 34. and (5) a top block.
Detailed Description
The overload protection of the charging pile becomes one of indispensable devices in the charging equipment, and along with the continuous development of the overload protection of the charging pile, the overload protection of the charging pile is widely applied with the unique advantages of the overload protection of the charging pile, and can effectively protect a charging circuit and an electric element.
Referring to fig. 1-4, the present utility model provides the following technical solutions: an overload protection device of a charging pile, comprising: the insulation shell 10, the mounting plate 11 is fixed in the insulation shell 10, the current detection module 16 is fixed on the mounting plate 11, and the current detection module 16 can detect the current change in the circuit of the mounting plate 11; the controller 17 is arranged on the mounting plate 11, the controller 17 is in control connection with the mounting plate 11, and the current detection module 16 detects the current change on the line of the mounting plate 11 and then feeds back to the controller 17; the inside of the insulating housing 10 is provided with a charging structure 20, a charging head is inserted into the charging structure 20, and the charging structure 20 charges the device.
The charging structure 20 comprises an insulating pipeline 21 fixed in the insulating shell 10, a fixed conductive block 22 fixedly connected with the insulating pipeline 21 and a movable conductive block 23 in guiding sliding fit with the insulating pipeline 21; the movable conductive block 23 is provided with a jack for being in plug-in fit with a charger plug, the fixed conductive block 22 is fixedly connected with the mounting plate 11, and the fixed conductive block 22 is electrically connected with a wire extending into the insulating shell 10; the charging plug is inserted into the insulating pipe 21, the charging plug is connected with the movable conductive block 23, and pushes the movable conductive block 23 to move towards the inside of the insulating pipe 21, and when the movable conductive block 23 is connected with the fixed conductive block 22, the charging of the device is started.
An automatic power-off structure 30 is arranged in the insulating shell 10, the automatic power-off structure 30 is in control connection with a controller 17, and the controller 17 can control the automatic power-off structure 30 to move; the automatic power-off structure 30 comprises an elastic telescopic structure arranged between the movable conductive block 23 and the fixed conductive block 22 and a limiting structure for limiting the movable conductive block 23 through the elastic telescopic structure; the elastic telescopic structure can drive the movable conductive block 23 to slide in the insulating pipeline 21, is arranged between the insulating pipeline 21 and the bottom wall of the insulating shell 10, and comprises an insulating sliding block 31 fixed below the movable conductive block 23 and an insulating spring 32 arranged between the insulating sliding block 31 and the mounting plate 11; the guide way of dodging movable conducting block 23 and insulating slider 31 connecting portion has been seted up to insulating pipeline 21 lower part, and limit structure sets up in the rear side of elastic telescoping structure, and limit structure includes electric telescopic handle 33 of fixing at insulating housing 10 rear side and the kicking block 34 of the output fixed connection of electric telescopic handle 33, and kicking block 34 is used for with insulating slider 31's rear side roof pressure cooperation when electric telescopic handle 33 stretches out, electric telescopic handle 33 and controller 17 control connection.
The front side wall and the rear side wall of the insulating shell 10 are provided with radiating long holes 12, a radiating device is arranged at the rear side of the insulating shell 10 and corresponding to the radiating long holes 12, and the radiating device comprises a radiating box 13 fixed at the rear side of the insulating shell 10 and a fan 14 rotatably arranged in the radiating box 13; when the fan 14 rotates, heat in the insulating housing 10 can be emitted through the long heat-radiating holes 12, and the temperature in the insulating housing 10 can be reduced.
The temperature sensor 15 is arranged on the mounting plate 11, the temperature sensor 15 is in control connection with the controller 17, and the fan 14 is in control connection with the controller 17; the temperature sensor 15 can sense the temperature on the mounting plate 11, when the temperature is too high, the temperature sensor 15 feeds back a signal to the controller 17, and the controller 17 drives the fan 14 to rotate, so that the internal temperature of the insulating shell 10 is reduced; a display screen is arranged on the right side of the insulating housing 10 and is in control connection with the controller 17.
Working principle: inserting the charging plug into the movable conductive block 23 and pushing the movable conductive block 23 to move towards the inside of the insulating pipeline 21, when the movable conductive block 23 is connected with the fixed conductive block 22, the controller 17 controls the electric telescopic rod 33 to extend, the electric telescopic rod 33 drives the jacking block 34 to extend, and the jacking block 34 is in jacking fit with the rear side of the insulating sliding block 31; when the current detection module 16 senses that the line current in the guide mounting plate 11 is greater than a set value, a signal is fed back to the controller 17, the controller 17 controls the electric telescopic rod 33 to retract, and the electric telescopic rod 33 drives the top block 34 to retract; under the action of the insulating spring 32, the insulating sliding block 31 drives the movable conductive block 23 to reset, so that the movable conductive block 23 is not connected with the fixed conductive block 22, and the device is powered off; when the temperature inside the insulating housing 10 is higher than the set value, the temperature sensor 15 feeds back a signal to the controller 17, the controller 17 drives the fan 14 to rotate, and the fan 14 radiates heat inside the insulating housing 10 through the heat radiation long holes 12, so that the temperature inside the insulating housing 10 is reduced.
Claims (8)
1. An overload protection device for a charging pile, comprising:
an insulating housing in which a mounting plate is fixed;
the current detection module is fixed on the mounting plate;
the controller is fixed on the mounting plate, and the current detection module is in control connection with the controller;
the charging structure is fixed in the insulating shell;
the charging structure comprises an insulating pipeline fixed in the insulating shell, a fixed conductive block fixedly connected with the insulating pipeline, and a movable conductive block in guide sliding fit with the insulating pipeline;
the automatic power-off structure is in control connection with the controller;
the automatic power-off structure comprises an elastic telescopic structure arranged between the movable conductive block and the fixed conductive block and a limiting structure for limiting the movable conductive block through the elastic telescopic structure;
the insulating shell is provided with an avoidance hole for avoiding the insulating pipeline, and the movable conductive block is correspondingly arranged with the avoidance hole;
the movable conductive block is provided with a jack for being inserted and matched with a charger plug;
the fixed conducting block is fixedly connected with the mounting plate and is used for being electrically connected with a wire extending into the insulating shell.
2. The overload protection device for the charging pile according to claim 1, wherein the elastic telescopic structure is arranged between the insulating pipeline and the bottom wall of the insulating shell, and comprises an insulating sliding block fixed below the movable conductive block and an insulating spring arranged between the insulating sliding block and the mounting plate; and a guide groove for avoiding the connection part of the movable conductive block and the insulating sliding block is formed in the lower part of the insulating pipeline.
3. The overload protection device for a charging pile according to claim 2, wherein the limiting structure is arranged at the rear side of the elastic telescopic structure, the limiting structure comprises an electric telescopic rod fixed at the rear side of the insulating shell and a jacking block fixedly connected with the output end of the electric telescopic rod, the jacking block is used for jacking and matching with the rear side of the insulating sliding block when the electric telescopic rod stretches out, and the electric telescopic rod is connected with the controller in a control manner.
4. A charging pile overload protection device according to any one of claims 1 to 3, wherein the front side wall and the rear side wall of the insulating housing are provided with long heat dissipation holes, and a heat dissipation device is provided at a position corresponding to the long heat dissipation holes on the rear side of the insulating housing, and the heat dissipation device comprises a heat dissipation box fixed on the rear side of the insulating housing and a fan rotatably provided in the heat dissipation box.
5. The overload protection device for a charging pile according to claim 4, wherein the mounting plate is provided with a temperature sensor, the temperature sensor is in control connection with the controller, and the fan is in control connection with the controller.
6. A charging pile overload protection device according to any one of claims 1 to 3, wherein a display screen is arranged on the right side of the insulating housing, and the display screen is in control connection with the controller.
7. The overload protection device for a charging pile according to claim 6, wherein the avoidance hole is disposed below the display screen.
8. A charging pile overload protection device according to any one of claims 1 to 3, wherein the insulating housing has a rectangular parallelepiped structure with a hollow interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321862111.4U CN220298316U (en) | 2023-07-17 | 2023-07-17 | Overload protection device of charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321862111.4U CN220298316U (en) | 2023-07-17 | 2023-07-17 | Overload protection device of charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220298316U true CN220298316U (en) | 2024-01-05 |
Family
ID=89374732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321862111.4U Active CN220298316U (en) | 2023-07-17 | 2023-07-17 | Overload protection device of charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220298316U (en) |
-
2023
- 2023-07-17 CN CN202321862111.4U patent/CN220298316U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |