CN-121989728-A - Charging pile

CN121989728ACN 121989728 ACN121989728 ACN 121989728ACN-121989728-A

Abstract

The invention discloses a charging pile which comprises a cabinet body, a conductive copper bar assembly, a liquid cooling assembly, a charging gun interface and a charging gun, wherein the conductive copper bar assembly is arranged in the cabinet body and used for conveying electric energy, the liquid cooling assembly is arranged at the bottom of the cabinet body and used for providing a cooling medium, the charging gun interface is arranged in the middle of the side face of the cabinet body and is electrically connected with the conductive copper bar assembly and used for being connected with a charging gun, the charging gun is communicated with a liquid outlet of the liquid cooling assembly through a liquid outlet pipe, and the charging gun interface is communicated with a liquid inlet of the liquid cooling assembly through a liquid inlet pipe. Through setting up the liquid cooling subassembly in the internal bottom of cabinet of filling electric pile, will charge the rifle interface setting in the middle part of cabinet side, and will charge the rifle through drain pipe and liquid cooling subassembly's liquid outlet intercommunication, charge the rifle interface through the feed liquor pipe with liquid cooling subassembly's feed liquor mouth intercommunication. The path from the liquid cooling component to the charging gun is reduced, so that the cooling medium can reach the heating position of the charging gun more timely.

Inventors

LI RENGE
ZHANG XINDENG
LIU YONGXIANG
JIANG MINGBO
Qin Entao

Assignees

中建科工集团有限公司

Dates

Publication Date: 20260508
Application Date: 20260403

Claims (10)

1. A charging pile, comprising: A cabinet body; The conductive copper bar assembly is arranged in the cabinet body and used for conveying electric energy; The liquid cooling assembly is arranged at the bottom of the cabinet body and used for providing a cooling medium; The charging gun interface is arranged in the middle of the side face of the cabinet body, is electrically connected with the conductive copper bar assembly and is used for connecting a charging gun, the charging gun is communicated with a liquid outlet of the liquid cooling assembly through a liquid outlet pipe, and the charging gun interface is communicated with a liquid inlet of the liquid cooling assembly through a liquid inlet pipe.
2. The charging pile according to claim 1, further comprising a direct current contactor, a fuse and a shunt, wherein the direct current contactor, the fuse and the shunt are all arranged in the cabinet body and are all positioned in the middle of the cabinet body in the height direction, the direct current contactor is electrically connected with the shunt through the conductive copper bar assembly, and the direct current contactor is also electrically connected with the fuse through the conductive copper bar assembly.
3. The charging stake of claim 1, wherein the volume of the liquid cooling assembly is less than the volume of the bottom space within the cabinet body so that a wiring space is left at the bottom of the cabinet body.
4. The charging pile according to claim 1, wherein the liquid cooling assembly comprises an oilcan assembly, a heat dissipating device and an oil pump which are sequentially communicated through a pipeline along the conveying direction of the cooling medium, a liquid outlet of the liquid cooling assembly is arranged on the oil pump, and a liquid inlet of the liquid cooling assembly is arranged on the oilcan assembly.
5. The charging pile according to claim 4, wherein the heat dissipating device comprises a heat exchanger and a heat dissipating fan, a liquid inlet end of the heat exchanger is communicated with the oilcan assembly, a liquid outlet end of the heat exchanger is communicated with the oil pump, and the heat dissipating fan is arranged on one side of the heat exchanger.
6. The charging pile of claim 5, wherein the liquid cooling assembly further comprises a controller, a liquid inlet temperature sensor is arranged at a liquid inlet of the liquid cooling assembly, a liquid outlet temperature sensor is arranged at a liquid outlet of the liquid cooling assembly, and the controller is in communication connection with the liquid inlet temperature sensor, the liquid outlet temperature sensor, the cooling fan and the oil pump.
7. The charging stake of claim 6, wherein the liquid cooling assembly further includes a liquid level viewer disposed on a side of the oilcan assembly for traversing a volume of cooling medium within the oilcan assembly.
8. The charging stake of claim 7, wherein the controller and the level observer are disposed opposite a front door of the cabinet.
9. The charging pile of claim 5, wherein a heat dissipation window is provided on a peripheral side of the cabinet body corresponding to the liquid cooling assembly, and the heat dissipation fan is closely attached to the heat dissipation window on one side.
10. The charging pile of claim 1, wherein the liquid outlet pipe comprises a DC+ liquid outlet pipe and a DC liquid outlet pipe, the liquid outlet of the liquid cooling assembly comprises a DC+ liquid outlet port and a DC liquid outlet port, one end of the DC+ liquid outlet pipe is communicated with the DC+ liquid outlet port, the other end of the DC+ liquid outlet pipe is communicated with the charging gun, one end of the DC liquid outlet pipe is communicated with the DC liquid outlet port, the other end of the DC liquid outlet pipe is communicated with the charging gun, the liquid inlet pipe comprises a DC+ liquid inlet pipe and a DC liquid inlet pipe, the liquid inlet of the liquid cooling assembly comprises a DC+ liquid inlet port and a DC liquid inlet port, one end of the DC+ liquid inlet pipe is communicated with the DC+ liquid inlet port, the other end of the DC liquid inlet pipe is communicated with the charging gun interface, and the cooling medium in the charging gun is suitable for flowing back to the DC+ liquid inlet pipe and the DC liquid inlet pipe through the charging gun interface.

Description

Charging pile Technical Field The invention relates to the technical field of charging piles, in particular to a charging pile. Background At present, the heat dissipation mode of the charging pile of the new energy automobile mainly comprises air cooling heat dissipation, and the air cooling heat dissipation mode has the defects of high operation noise and low protection level of the charging pile, and along with the increasing power and current requirements of the new energy automobile on the charging pile, the air cooling heat dissipation mode cannot meet the requirement. The existing charging pile is generally internally provided with a cooling fan, air in the charging pile is discharged through the cooling fan, external air of the charging pile is sucked, the flow of the external air in the charging pile is realized, and therefore the effect of heat dissipation and cooling is achieved. In the prior art, a scheme for radiating heat of a charging gun by using a liquid cooling mode is available. However, the rifle interface that charges of this scheme sets up in filling electric pile top, and the liquid cooling unit sets up in filling electric pile bottom space, and the liquid cooling medium conveyer pipe length span of rifle and liquid cooling unit that charges is big, has increased the risk that long distance carried liquid cooling medium weeping, and easily causes the coolant liquid to not in time carry to the rifle department that generates heat that charges. Disclosure of Invention The invention provides a charging pile, which aims to solve the problem that cooling liquid in the prior art cannot be timely conveyed to a heating part of a charging gun. The invention discloses a charging pile, comprising: A cabinet body; The conductive copper bar assembly is arranged in the cabinet body and used for conveying electric energy; The liquid cooling assembly is arranged at the bottom of the cabinet body and used for providing a cooling medium; The charging gun interface is arranged in the middle of the side face of the cabinet body, is electrically connected with the conductive copper bar assembly and is used for connecting a charging gun, the charging gun is communicated with a liquid outlet of the liquid cooling assembly through a liquid outlet pipe, and the charging gun interface is communicated with a liquid inlet of the liquid cooling assembly through a liquid inlet pipe. In some embodiments, the charging pile further comprises a direct current contactor, a fuse and a current divider, wherein the direct current contactor, the fuse and the current divider are all arranged in the cabinet body and are all positioned in the middle of the cabinet body in the height direction, the direct current contactor is electrically connected with the current divider through the conductive copper bar assembly, and the direct current contactor is also electrically connected with the fuse through the conductive copper bar assembly. In some embodiments, the volume of the liquid cooling assembly is less than the volume of the bottom space within the cabinet, such that a wiring space is left at the bottom within the cabinet. In some embodiments, the liquid cooling assembly comprises an oilcan assembly, a heat dissipation device and an oil pump which are sequentially communicated along the conveying direction of the cooling medium through a pipeline, a liquid outlet of the liquid cooling assembly is arranged on the oil pump, and a liquid inlet of the liquid cooling assembly is arranged on the oilcan assembly. In some embodiments, the heat dissipating device comprises a heat exchanger and a heat dissipating fan, wherein a liquid inlet end of the heat exchanger is communicated with the oilcan assembly, a liquid outlet end of the heat exchanger is communicated with the oil pump, and the heat dissipating fan is arranged on one side of the heat exchanger and used for improving the heat dissipating effect of the heat exchanger. In some embodiments, the liquid cooling assembly further comprises a controller, a liquid inlet temperature sensor is arranged at a liquid inlet of the liquid cooling assembly, a liquid outlet temperature sensor is arranged at a liquid outlet of the liquid cooling assembly, and the controller is in communication connection with the liquid inlet temperature sensor, the liquid outlet temperature sensor, the cooling fan and the oil pump. In some embodiments, the liquid cooling assembly further comprises a liquid level viewer disposed on one side of the oilcan assembly for traversing the volume of cooling medium within the oilcan assembly. In some embodiments, the controller and the level viewer are disposed opposite a front door of the cabinet. In some embodiments, a heat dissipation window is disposed on the peripheral side of the cabinet body corresponding to the liquid cooling assembly, and the heat dissipation fan is closely attached to the heat dissipation window on one side. In some embodiments, the liquid