600KW direct current charging pile

Abstract

The utility model discloses a 600KW direct current charging pile. The 600KW direct current charging pile comprises a charging pile and at least one wind body pile, the charging pile is provided with a door, and a charging pile display and a first air pile card reader are mounted on a side door of the charging pile; a supporting frame is installed in the charging pile, a set of 40KW modules are installed on the supporting frame, two parallel PDUs are installed in the charging pile, and a switch controller and two LRS power sources are installed in the charging pile 1. The wind body pile is provided with a front door, and the front door is provided with a wind pile display and a second wind pile card reader; two power transmission lines are installed in the wind body pile, the wind body pile is provided with threading shells corresponding to the two power transmission lines respectively, and the two power transmission lines are connected with charging guns respectively; and a base of the wind body pile is connected with a liquid cooling system.

Description

Technical Field

[0001] The utility model relates to the technical field of direct current charging, in particular to a 600KW direct current charging stack. Background Art

[0002] The DC charging stack connects multiple charging modules via a DC bus, forming a power-pooling charging system. It uses intelligent algorithms to intelligently allocate power based on the EV's charging needs and utility power availability, enabling flexible charging. Each charging module can operate independently or collaborate with others to provide charging services for EVs.

[0003] Currently, there is a lack of a 600kW DC charging stack. This high-power DC fast-charging device integrates multiple charging modules. Each charging module can operate independently or work together to provide up to 600kW of DC fast-charging service for electric vehicles. It utilizes advanced liquid cooling technology. The circulating coolant effectively absorbs and removes heat generated during the charging process, ensuring that the battery pack maintains a suitable operating temperature while rapidly charging, preventing overheating damage and extending battery life. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a 600KW DC charging stack, which is conducive to charging new energy vehicles.

[0005] The utility model adopts the following technical solutions to achieve the purpose of the utility model:

[0006] A 600KW DC charging pile, characterized by comprising: a charging pile and at least one wind pile; the charging pile is equipped with a door, and the side door of the charging pile is equipped with a charging pile display and a first wind pile card reader; a support frame is installed in the charging pile, and a group of 40KW modules are installed on the support frame; two parallel PDUs are installed in the charging pile, and a switch controller and two LRS power supplies are installed in the charging pile; the wind pile is equipped with a front door, and the front door is equipped with a wind pile display and a second wind pile card reader; two power transmission lines are installed in the wind pile, and the wind pile is equipped with a wire housing corresponding to the two power transmission lines, and the two power transmission lines are respectively connected to the charging gun; the base of the wind pile is connected to the liquid cooling system. By using a charging pile, a group of 40KW modules are set up. The 40KW modules can work independently or cooperate with each other to provide up to 600 kilowatts of DC fast charging service for electric vehicles. The liquid cooling system effectively absorbs and removes the heat generated during the charging process, ensuring that the battery pack maintains a suitable operating temperature while charging quickly, avoiding overheating damage and extending battery life.

[0007] As a further limitation of this technical solution, the charging pile is equipped with a relay socket and a terminal block, which also includes an AC contactor, a 3P circuit breaker, and a 4P surge protector. The 40KW module is charged by connecting the relay socket and terminal block, followed by the AC power supply, 4P surge protector, 3P circuit breaker, and AC contactor, and then connecting the AC contactor to the terminal block.

[0008] As a further limitation of the present technical solution, a set of internal wind shields are installed in the charging pile to block the wind and facilitate cooling of the charging pile.

[0009] As a further limitation of this technical solution, the front door is installed with filter cotton, and the rear door is installed with a group of fans, so that the outside air can enter the charging pile after being filtered, reducing the entry of dust.

[0010] As a further limitation of the present technical solution, a fan power supply, a fan speed regulator and a speed regulator socket are installed in the charging pile to realize the control of the fan.

[0011] As a further limitation of this technical solution, the wind pile is connected to the first and second copper bars via two sets of insulating columns, a shunt is connected to one of the first and second copper bars, a fuse is connected to another of the first and second copper bars, and two contactors are installed within the wind pile, each of the contactors contacting a corresponding second copper bar. An LRS power supply is connected to the second copper bar, and a power transmission line is connected to the first copper bar to achieve power transmission.

[0012] As a further limitation of the present technical solution, the wind pile is respectively equipped with an empty socket corresponding to the two charging guns, for placing the charging gun when the charging gun is not in use.

[0013] As a further limitation of the present technical solution, a sensor is installed in the empty socket to determine whether the charging gun is placed in place.

[0014] Compared with related technologies, the 600KW DC charging stack provided by the present invention has the following beneficial effects:

[0015] (1) This device integrates a set of 40KW modules, each of which can work independently or collaborate with each other to provide up to 600 kilowatts of DC fast charging service for electric vehicles;

[0016] (2) The liquid cooling system of this device, with circulating coolant, effectively absorbs and removes the heat generated during the charging process, avoiding overheating damage and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the charging pile of the utility model;

[0019] Figure 3 This is a schematic diagram of the position of the filter cotton of the utility model;

[0020] Figure 4 This is a schematic diagram of the fan position of the present utility model;

[0021] Figure 5 This is a schematic diagram of the local three-dimensional structure of the charging pile of the utility model Figure 1 ;

[0022] Figure 6 This is a schematic diagram of the partial three-dimensional structure of the charging pile of the utility model Figure 2 ;

[0023] Figure 7 This is a schematic diagram of the three-dimensional structure of the wind pile of the utility model;

[0024] Figure 8 This is a schematic diagram of the partial three-dimensional structure of the wind pile of the utility model Figure 1 ;

[0025] Figure 9 This is a schematic diagram of the partial three-dimensional structure of the wind pile of the utility model Figure 2 ;

[0026] Figure 10 This is a schematic diagram of the three-dimensional structure of the sensor of the present utility model;

[0027] Figure 11 This is a schematic diagram of the local three-dimensional structure of the charging pile of the utility model Figure 3 ;

[0028] Figure 12 It is a schematic diagram of the partial three-dimensional structure of the wind pile of the utility model.

[0029] In the picture:

[0030] 1. Charging pile, 101. Charging pile display, 102. First wind pile card reader, 103. Door, 104. Filter cotton, 105. Fan, 106. Support frame, 107. 40KW module, 108. Fan power supply, 109. Switch controller, 110. LRS power supply, 111. Terminal block, 112. Relay socket, 113. Fan speed regulator, 114. Speed ​​regulator socket, 115. AC contactor, 116. 3P circuit breaker, 117. 4P surge protector, 118. Inner windshield, 119. Parallel PDU;

[0031] 2. Wind pile, 201. Wire housing, 202. Transmission line, 203. Empty plug, 204. Charging gun, 205. Front door, 206. Second wind pile card reader, 207. Wind pile display, 208. First copper busbar, 209. Shunt, 210. Second copper busbar, 211. Fuse, 212. Contactor, 213. Liquid cooling system, 214. Sensor. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] A 600KW DC charging pile comprises: a charging pile 1 and at least one wind pile 2; the charging pile 1 is equipped with a door 103, and the side door of the charging pile 1 is equipped with a charging pile display 101 and a first wind pile card reader 102; a support frame 106 is installed in the charging pile 1, and a group of 40KW modules 107 are installed on the support frame 106, two parallel PDUs 119 are installed in the charging pile 1, and a switch controller 109 and two LRS power supplies 110 are installed in the charging pile 1; the wind pile 2 is equipped with a front door 205, and a wind pile display 207 and a second wind pile card reader 206 are installed on the front door 205; two transmission lines 202 are installed in the wind pile 2, and the wind pile 2 is respectively equipped with a wire housing 201 corresponding to the two transmission lines 202, and the two transmission lines 202 are respectively connected to a charging gun 204; the base of the wind pile 2 is connected to a liquid cooling system 213. By using a charging station 1 and installing a set of 40 kW modules 107, the 40 kW modules can operate independently or collaboratively to provide up to 600 kW of DC fast charging service for electric vehicles. The circulating coolant in the liquid cooling system 213 effectively absorbs and removes heat generated during charging, preventing overheating damage and extending service life.

[0034] The transmission line 202 adopts a utility model accelerated cooling cable (authorization announcement number CN221783001U).

[0035] The liquid cooling system 213 provides coolant (a cooling solidification liquid 108 in an accelerated cooling cable) for the transmission line 202, realizing a circulating flow of coolant, effectively absorbing and removing the heat generated during the charging process, avoiding overheating damage, and extending the service life.

[0036] The 40KW module 107, the parallel PDU 119, the switch controller 109 and the LRS power supply 110 are connected in sequence.

[0037] A group of relay sockets 112 and a group of terminal blocks 111 are installed in the charging pile 1. A group of AC contactors 115, a group of 3P circuit breakers 116 and a group of 4P surge protectors 117 are installed in the charging pile 1. The 40KW module 107, the relay socket 112 and the terminal block 111 are connected, the AC power supply, the 4P surge protector 117, the 3P circuit breaker 116 and the AC contactor 115 are connected in sequence, and the AC contactor 115 is connected to the terminal block 111 to realize the charging of the 40KW module 107.

[0038] A set of inner wind shields 118 are installed in the charging pile 1 to block the wind and facilitate cooling of the charging pile 1.

[0039] The front door 103 is provided with filter cotton 104 , and the rear door 103 is provided with a set of fans 105 , so that the outside air can enter the charging pile 1 after being filtered, thereby reducing the entry of dust.

[0040] The charging pile 1 is equipped with a fan power supply 108 , a fan speed regulator 113 and a speed regulator socket 114 to control the fan 105 .

[0041] The wind pile 2 is connected to a first copper busbar 208 and a second copper busbar 210 via two sets of insulating columns. A shunt 209 connects one first copper busbar 208 and one second copper busbar 210. A fuse 211 connects another first copper busbar 208 and another second copper busbar 210. Two contactors 212 are installed within the wind pile 2, each contacting a corresponding second copper busbar 210. The LRS power supply 110 is connected to the second copper busbar 210, and the transmission line 202 is connected to the first copper busbar 208 to achieve power transmission.

[0042] The wind pile 2 is respectively equipped with an empty socket 203 corresponding to the two charging guns 204, and the charging gun 204 is placed when the charging gun 204 is not in use.

[0043] A sensor 214 is installed in the empty socket 203 to determine whether the charging gun 204 is placed in place.

[0044] Charging piles are mainly suitable for the following places:

[0045] Large, medium and small car charging stations; various public places with car parking spaces such as urban residential areas, shopping malls, power business places, etc.; transportation hubs such as highway service areas, stations and docks.

[0046] Working Environment:

[0047] During operation, the ambient air temperature is -25℃~+55℃, with a 24-hour average temperature of ≤35℃; the monthly average relative humidity is ≤90% (25℃), and there is no condensation on the surface; the altitude is <2000 meters; the vertical inclination of the installation is ≤5%; the severity level of vibration and impact in the use place is ≤Level I, and the external magnetic field induction intensity in any direction is ≤1.5MT; the use place must not have explosive media, and the surrounding media must not contain harmful gases that corrode metals and destroy insulation; and conductive media must not be filled with water vapor or severe mold; the use place should avoid direct sunlight. When installed outdoors, it is recommended to install sunshade facilities for the charging pile; if the user has special requirements, they can negotiate with our company to resolve them.

[0048] Functional points:

[0049] It utilizes a nuclear-grade, high-power power module platform for enhanced safety and reliability. It employs a new, high-efficiency, three-phase PFC circuit topology, achieving a power factor greater than 0.99 and a harmonic distortion rate of ≤5%. The high-frequency switching power module utilizes full-bridge phase-shifted soft-switching technology for high efficiency. Advanced digital current sharing effectively improves current sharing accuracy and interference resistance. It also pioneers module sleep and rotation technologies to ensure efficient system operation. It features intelligent charging process control and comprehensive charging process monitoring and protection. It offers a variety of charging modes, including timed charging, fixed-amount charging, and automatic full charging. It displays information such as charge level, charging time, current electricity price, and charging price, as well as operating status, in real time. It also offers optional GPRS networking and supports dynamic environmental monitoring. Module hot-swappable technology facilitates ease of use and maintenance. The charging module is protected by double-sided adhesive, making it suitable for harsh environments such as high temperature, high humidity, low temperature, and high salt spray. It also features a charging safety guard and black box functionality, supporting remote diagnosis, remote maintenance, remote modification, and parameter setting.

[0050] The workflow is as follows:

[0051] Remove the charging gun 204 from the air socket 203 and connect the electric vehicle. Operate directly on the wind pole display 207, or swipe the card first, and then operate on the wind pole display 207 after the second wind pole card reader 206 reads the information. The user operates according to the prompts displayed on the wind pole display 207.

[0052] During the power battery charging process, the charging gun 204 supplies power to the electric vehicle BMS system, which monitors the status of the power battery in real time and displays it on the wind pile display 207 through the signal line in the charging gun 204.

[0053] When the temperature is high, the liquid cooling system 213 is controlled to work.

[0054] The AC power charges the 40KW module 107, controls the fan 105 to operate, and realizes cooling inside the charging pile 1. The 40KW module 107 supplies power to the wind pile 2.

[0055] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A 600KW DC charging stack, characterized by: include: A charging pile (1) and at least one wind pile (2); The charging pile (1) is equipped with a door (103), and a side door of the charging pile (1) is equipped with a charging pile display (101) and a first wind pile card reader (102); A support frame (106) is installed in the charging pile (1), a group of 40KW modules (107) is installed on the support frame (106), two parallel PDUs (119) are installed in the charging pile (1), and a switch controller (109) and two LRS power supplies (110) are installed in the charging pile (1); The wind pile (2) is equipped with a front door (205), and the front door (205) is equipped with a wind pile display (207) and a second wind pile card reader (206); Two power transmission lines (202) are installed in the wind pile (2), and the wind pile (2) is respectively equipped with a threading housing (201) corresponding to the two power transmission lines (202), and the two power transmission lines (202) are respectively connected to a charging gun (204); The base of the wind pile (2) is connected to a liquid cooling system (213).

2. The 600KW DC charging stack according to claim 1, characterized in that: A group of relay sockets (112) and a group of terminal blocks (111) are installed in the charging pile (1), and a group of AC contactors (115), a group of 3P circuit breakers (116) and a group of 4P surge protectors (117) are installed in the charging pile (1).

3. The 600KW DC charging stack according to claim 1, characterized in that: A set of inner wind shielding plates (118) is installed in the charging pile (1).

4. The 600KW DC charging stack according to claim 1, characterized in that: The front door (103) is equipped with filter cotton (104), and the rear door (103) is equipped with a set of fans (105).

5. The 600KW DC charging stack according to claim 4 is characterized in that: The charging pile (1) is equipped with a fan power supply (108), a fan speed regulator (113) and a speed regulator socket (114).

6. The 600KW DC charging stack according to claim 1, characterized in that: The wind body pile (2) is respectively connected to a first copper bar (208) and a second copper bar (210) through two groups of insulating columns; a shunt (209) is connected to one first copper bar (208) and one second copper bar (210); a fuse (211) is connected to another first copper bar (208) and another second copper bar (210); two contactors (212) are installed in the wind body pile (2); and the two contactors (212) respectively contact the corresponding second copper bars (210).

7. The 600KW DC charging stack according to claim 1, characterized in that: The wind pile (2) is respectively equipped with an empty socket (203) corresponding to the two charging guns (204).

8. The 600KW DC charging stack according to claim 7, characterized in that: A sensor (214) is installed in the empty plug (203).

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