CN218141112U

CN218141112U - Stake of charging of rush-harvesting and rush-planting of liquid cooling

Info

Publication number: CN218141112U
Application number: CN202222654143.7U
Authority: CN
Inventors: 吴礼春; 刘明涛; 郭科成
Original assignee: Shenzhen Sinexcel Electrical Co ltd
Current assignee: Shenzhen Sinexcel Electrical Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-27
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to a fill electric pile technical field, more specifically say, relate to a stake of double-gun charging of liquid cooling, including filling the electric pile body, it is used for the first rifle and the second rifle that charge to be provided with on the electric pile body, it still includes and is used for reducing first rifle that charges to fill the electric pile body, the liquid cooling system of second rifle temperature that charges, the liquid cooling system includes the controller, circulation channel and set gradually on circulation channel and the first oil circuit distribution module of being connected with the controller electricity, heat transfer module, the liquid storage tank, the magnetic gear pump, switch module, second oil circuit distribution module, circulation channel and first rifle that charges, the second rifle that charges is connected for first rifle, the second rifle that charges provides endless coolant liquid, the liquid storage tank is used for storing the coolant liquid, assurance rifle and car junction temperature rise data that this double-gun fills electric pile's liquid cooling system can be better, and the one set of double-gun charging pile system reduces the cost of filling electric pile, single-gun liquid cooling energy consumption has been reduced.

Description

Stake of charging of rush-harvesting and rush-planting of liquid cooling

Technical Field

The utility model relates to a fill electric pile technical field, more specifically say, relate to a electric pile is filled to rush-harvesting and rush-planting of liquid cooling.

Background

According to the requirements of GB/T20234-2015 national standard, the current-carrying wire diameter of 250A DC charging gun must be greater than 70mm ² Even some manufacturers adopt 80mm for ensuring the temperature rise data of the charging gun body ² The charging gun has thick and heavy wire diameter, the operation is laborious, and the charging experience is not friendly. And for the current shortage of resources, the consumption of the copper wire material of the national standard charging gun is very large, and the copper resource is wasted greatly.

The rifle head of rifle charges must satisfy high protection, leads to the inside to be airtight space, and natural air-cooled heat dissipation is relatively poor. Often leads to the rifle head to overheat, so rifle head connection portion stability is relatively poor, influences charging stability and security.

In the use process of the existing air natural air cooling national standard charging gun, the heating of the gun head is out of limit and even the risk of burning the charging gun head and the charging gun socket can be caused by factors such as the fact that the terminal is not in place in crimping, the charging gun and a vehicle end charging socket conductor are abraded and the like in the production and processing process of the charging gun.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the defect and not enough that prior art handled, provide a electric pile is filled to double gun of liquid cooling.

For realizing above-mentioned purpose, the utility model discloses the technical scheme that takes is a stake of liquid cooling's double-gun charging, including filling the electric pile body, it is provided with the first rifle and the second rifle that charge that are used for charging on the electric pile body to fill, fill the electric pile body still including being used for reducing the liquid cooling system of first rifle, the second rifle temperature that charges, the liquid cooling system include controller, circulation channel and set gradually in circulation channel go up and with first oil circuit distribution module, heat exchange module, stock solution oil tank, magnetic gear pump, switch module, the second oil circuit distribution module that the controller electricity is connected, circulation channel with first rifle, the second rifle that charges are connected and are provided the coolant liquid of circulation for first rifle, the second rifle that charges, the stock solution oil tank is used for the storage coolant liquid.

Preferably, the circulation channel includes a first outflow branch, a second outflow branch, a first inflow branch, a second inflow branch, and a trunk line, the first outflow branch and the second outflow branch are communicated with an output end of the trunk line, the first inflow branch and the second inflow branch are communicated with an input end of the trunk line, the first outflow branch and the first inflow branch are connected with the first charging gun, and the second outflow branch and the second inflow branch are connected with the second charging gun.

Preferably, an output end of the first outflow branch is communicated with a first outflow branch and a second outflow branch, the first outflow branch is used for inputting cooling liquid to a DC + end of the first charging gun, and the second outflow branch is used for inputting cooling liquid to a DC-end of the first charging gun;

the output end of the second outflow branch is communicated with a third outflow branch and a fourth outflow branch, the third outflow branch is used for inputting cooling liquid to the DC + end of the second charging gun, and the fourth outflow branch is used for inputting cooling liquid to the DC-end of the second charging gun.

Preferably, an input end of the first inflow branch is communicated with a first inflow branch and a second inflow branch, the first inflow branch is used for accessing the cooling liquid output by the DC + end of the first charging gun, and the second inflow branch is used for accessing the cooling liquid output by the DC-end of the first charging gun;

the input end of the second inflow branch is communicated with a third inflow branch and a fourth inflow branch, the third inflow branch is used for being connected with cooling liquid output by the DC + end of the second charging gun, and the fourth inflow branch is used for being connected with cooling liquid output by the DC-end of the second charging gun.

Preferably, the first oil path distribution module includes a first oil path distributor and a first temperature detection device, the first temperature detection device is disposed at the first inflow branch to detect the temperature of the cooling liquid, and the first oil path distributor is disposed at the input end of the first inflow branch and is respectively connected with the first inflow branch and the second inflow branch to collect the cooling liquid output by the first inflow branch and the second inflow branch into the first inflow branch;

the first oil path distribution module further comprises a second oil path distributor and a second temperature detection device, the second temperature detection device is arranged at the second inflow branch to detect the temperature of the cooling liquid, and the second oil path distributor is arranged at the input end of the second inflow branch and is respectively connected with the third inflow branch and the fourth inflow branch to collect the cooling liquid output by the third inflow branch and the fourth inflow branch into the second inflow branch.

Preferably, the second oil distribution module includes a third oil distributor, a third temperature detection device, and a third pressure sensor, the third temperature detection device is disposed at the first outflow branch to detect the temperature of the coolant, the third pressure sensor is disposed at the first outflow branch to detect the hydraulic pressure at the first outflow branch, and the third oil distributor is disposed at the output end of the first outflow branch and is respectively connected to the first outflow branch and the second outflow branch to distribute the coolant to the first outflow branch and the second outflow branch;

the second oil distribution module further comprises a fourth oil distributor, a fourth temperature detection device and a fourth pressure sensor, the fourth temperature detection device is arranged at the second outflow branch to detect the temperature of the cooling liquid, the fourth pressure sensor is arranged at the second outflow branch to detect the hydraulic pressure at the second outflow branch, and the fourth oil distributor is arranged at the output end of the second outflow branch and is connected with the third outflow branch and the fourth outflow branch to distribute the cooling liquid to the third outflow branch and the fourth outflow branch.

Preferably, the heat exchange module is arranged at the main trunk, and the heat exchange module comprises a Y-shaped filter for filtering impurities in the circulation channel and a microchannel heat exchange radiator electrically connected with the controller.

Preferably, the switch module includes a first solenoid valve and a second solenoid valve electrically connected to the controller, the first solenoid valve is disposed at the first outflow branch, and the second solenoid valve is disposed at the second outflow branch.

Preferably, a liquid level switch electrically connected with the controller is arranged in the liquid storage oil tank.

The utility model has the advantages that:

the utility model provides a stake of charging of rush-harvesting and rush-planting of liquid cooling, this stake of charging of rush-harvesting and rush-planting of rush-harvesting and rush-planting is electric, the assurance rifle that the liquid cooling system can be better with car junction temperature rise data, even the rifle and the car end charging seat wearing and tearing are serious, lead to contact resistance to increase and generate heat, also can take away this heat by rifle body liquid cooling, can not cause the risk of the rifle of charging jump and burning out rifle and charging seat, and the stake of charging of rush-harvesting and rush-planting reduces the cost of charging stake, the single rifle liquid cooling energy consumption has been reduced.

Drawings

Fig. 1 is a schematic view of a liquid cooling system of a liquid-cooled dual-gun charging pile according to the present invention;

fig. 2 is a schematic diagram of a system for a liquid-cooled dual-gun charging pile according to the present invention;

fig. 3 is the utility model relates to a liquid-cooled double gun fills electric pile's structural distribution schematic diagram.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention, and the direction of the present embodiment is based on the direction of fig. 1.

As shown in fig. 1, a stake of liquid cooling's double gun fills electric pile, including filling the electric pile body, it is provided with the first rifle and the second rifle that charge that are used for charging on the electric pile body to fill, fill the electric pile body still including being used for reducing the liquid cooling system 1 of first rifle, the second rifle temperature that charges, liquid cooling system 1 includes controller, circulating channel and set gradually in circulating channel go up and with first oil circuit distribution module 11, heat exchange module 12, liquid storage oil tank 13, magnetic gear pump 14, switch module 15, second oil circuit distribution module 16 that the controller electricity is connected, circulating channel with first rifle, the second rifle that charges are connected for first rifle, the second rifle that charges provides the endless coolant liquid, liquid storage oil tank 13 is used for the storage coolant liquid.

And the cooling liquid flows out of the first charging gun and the second charging gun and then sequentially flows through the first oil way distribution module 11, the heat exchange module 12, the liquid storage tank 13, the magnetic gear pump 14, the switch module 15 and the second oil way distribution module 16 and then flows back to the first charging gun and the second charging gun. And circulating in this way, the magnetic gear pump 14 provides flowing power for the cooling liquid and controls the flow rate of the cooling liquid, and the cooling liquid is subjected to heat exchange and cooling through the heat exchange module 12, so that the temperatures of the first charging gun and the second charging gun are reduced. The cooling liquid in the utility model is insulating silicon oil.

Preferably, the circulation channel includes a first outflow branch 21, a second outflow branch 22, a first inflow branch 23, a second inflow branch 24, and a main trunk 25, the first outflow branch 21 and the second outflow branch 22 are communicated with an output end of the main trunk 25, the first inflow branch 23 and the second inflow branch 24 are communicated with an input end of the main trunk 25, the first outflow branch 21 and the first inflow branch 23 are connected to the first charging gun, and the second outflow branch 22 and the second inflow branch 24 are connected to the second charging gun.

Preferably, the output end of the first outflow branch 21 is communicated with a first outflow branch 211 and a second outflow branch 212, the first outflow branch 211 is used for inputting the cooling liquid to the DC + end of the first charging gun, and the second outflow branch 212 is used for inputting the cooling liquid to the DC-end of the first charging gun;

the output end of the second outflow branch 22 is communicated with a third outflow branch 221 and a fourth outflow branch 222, the third outflow branch 221 is used for inputting cooling liquid to the DC + end of the second charging gun, and the fourth outflow branch 222 is used for inputting cooling liquid to the DC-end of the second charging gun.

Preferably, the input end of the first inflow branch 23 is communicated with a first inflow branch 231 and a second inflow branch 232, the first inflow branch 231 is used for accessing the cooling liquid output by the DC + end of the first charging gun, and the second inflow branch 232 is used for accessing the cooling liquid output by the DC-end of the first charging gun;

the input end of the second inflow branch 24 is communicated with a third inflow branch 241 and a fourth inflow branch 242, the third inflow branch 241 is used for receiving the cooling liquid output by the DC + end of the second charging gun, and the fourth inflow branch 242 is used for receiving the cooling liquid output by the DC-end of the second charging gun.

Because liquid cold gun liquid has one to advance one and goes out, one advances two and goes out and two advances two and go out in the trade at present, for the rifle type that charges on the adaptation market, set up four outflow branch roads and four inflow branch roads, in addition, can also adjust the quantity of outflow branch road, inflow branch road according to the number of rifle that charges.

Preferably, the first oil distribution module 11 includes a first oil distributor 111 and a first temperature detection device 112, the first temperature detection device 112 is disposed at the first inflow branch 23 to detect the temperature of the coolant, and the first oil distributor 111 is disposed at the input end of the first inflow branch 23 and is respectively connected to the first inflow branch 231 and the second inflow branch 232 to collect the coolant output by the first inflow branch 231 and the second inflow branch 232 into the first inflow branch 23;

the first oil path distribution module 11 further includes a second oil path distributor 113 and a second temperature detection device 114, the second temperature detection device 114 is disposed at the second inflow branch 24 to detect the temperature of the coolant, and the second oil path distributor 113 is disposed at the input end of the second inflow branch 24 and is respectively connected to the third inflow branch 241 and the fourth inflow branch 242 to collect the coolant output by the third inflow branch 241 and the fourth inflow branch 242 into the second inflow branch 24.

Preferably, the second oil distribution module 16 includes a third oil distributor 161, a third temperature detection device 162, and a third pressure sensor 163, the third temperature detection device 162 is disposed at the first outflow branch 21 to detect the temperature of the coolant, the third pressure sensor 163 is disposed at the first outflow branch 21 to detect the hydraulic pressure at the first outflow branch 21, the third oil distributor 161 is disposed at the output end of the first outflow branch 21 and is connected to the first outflow branch 211 and the second outflow branch 212 respectively to distribute the coolant to the first outflow branch 211 and the second outflow branch 212;

the second oil distribution module 16 further includes a fourth oil distributor 164, a fourth temperature detection device 165, and a fourth pressure sensor 166, where the fourth temperature detection device 165 is disposed at the second outflow branch 22 to detect the temperature of the coolant, the fourth pressure sensor 166 is disposed at the second outflow branch 22 to detect the hydraulic pressure at the second outflow branch 22, and the fourth oil distributor 164 is disposed at the output end of the second outflow branch 22 and is respectively connected to the third outflow branch 221 and the fourth outflow branch 222 to distribute the coolant to the third outflow branch 221 and the fourth outflow branch 222.

Because liquid cooling gun liquid in the industry at present has one to advance one and goes out, one advances two and goes out and two advances two and go out, in order to adapt the rifle type that charges on the market, has set up four outflow branch roads and four inflow branch roads. If the charging gun is fed in and fed out, one of the outflow branch circuits connected with the outflow branch circuit corresponding to the charging gun is closed through the oil way distributor, and the other inflow branch circuit connected with the inflow branch circuit corresponding to the charging gun is correspondingly closed; if the charging gun is one-in two-out, one inflow branch connected with the inflow branch corresponding to the charging gun is closed through the oil way distributor; if the charging gun has two inlets and two outlets, all the outlet branches and the inlet branches corresponding to the charging gun are opened through the oil way distributor.

The first temperature detection device 112 and the third temperature detection device 162 are electrically connected to the controller, the first temperature detection device 112 detects the temperature of the cooling liquid at the first inflow branch 23 and feeds the temperature back to the controller, the third temperature detection device 162 detects the temperature of the cooling liquid at the first outflow branch 21 and feeds the temperature back to the controller, and the controller controls the working efficiency of the heat exchange module 12 according to the temperature difference fed back by the first temperature detection device 112 and the third temperature detection device 162. If the temperature difference does not reach the preset value, the working efficiency of the heat exchange module 12 is increased, otherwise, the working efficiency of the heat exchange module 12 is reduced.

The second temperature detection device 114 and the fourth temperature detection device 165 are electrically connected to the controller, the second temperature detection device 114 detects the temperature of the cooling liquid at the second inflow branch 24 and feeds the temperature back to the controller, the fourth temperature detection device 165 detects the temperature of the cooling liquid at the second outflow branch 22 and feeds the temperature back to the controller, and the controller controls the working efficiency of the heat exchange module 12 according to the temperature difference fed back by the second temperature detection device 114 and the fourth temperature detection device 165. If the temperature difference does not reach the preset value, the working efficiency of the heat exchange module 12 is increased, otherwise, the working efficiency of the heat exchange module 12 is reduced.

The third pressure sensor 163 and the fourth pressure sensor 166 are electrically connected to the controller, the third pressure sensor 163 detects the hydraulic pressure at the first outflow branch 21 and feeds back the hydraulic pressure to the controller, the fourth pressure sensor 166 detects the hydraulic pressure at the second outflow branch 22 and feeds back the hydraulic pressure to the controller, and if the hydraulic pressure received by the controller is not within the preset hydraulic pressure range, the liquid cooling system 1 is controlled to stop working.

Preferably, the heat exchange module 12 is disposed at the main trunk 25, and the heat exchange module 12 includes a Y-filter 121 for filtering impurities in the circulation channel and a microchannel heat exchange radiator 122 electrically connected to the controller.

Preferably, the switch module 15 includes a first solenoid valve 151 and a second solenoid valve 152 electrically connected to the controller, the first solenoid valve 151 being disposed at the first outflow branch 21, and the second solenoid valve 152 being disposed at the second outflow branch 22. The controller can open and close the first electromagnetic valve 151 and the second electromagnetic valve 152 according to the number of charging guns of the charging pile, and if only one charging gun is charged in the charging pile, one of the electromagnetic valves is closed by the controller.

Preferably, a liquid level switch 131 electrically connected with the controller is arranged in the liquid storage tank 13. If the liquid level in the liquid storage tank 13 is lower than the liquid level switch 131, the liquid level switch 131 feeds back low liquid level information to the controller, and the controller controls the liquid cooling system 1 to stop working.

As shown in fig. 2, the charging pile body further comprises a main control board 3 for controlling the charging pile body to work, an alternating current input distribution loop 4, a charging module 5 and a direct current output distribution loop 6, a controller of the liquid cooling system 1 is electrically connected with the main control board 3, the alternating current input distribution loop 4, the charging module 5, the direct current output distribution loop 6 and a charging gun are sequentially electrically connected, and the charging module 5 and the direct current output distribution loop 6 are further electrically connected with the main control board 3.

Alternating current input distribution circuit 4 is used for inserting the power input, and alternating current input distribution circuit 4 includes lightning protection device, circuit breaker QF1, circuit breaker QF2, alternating current contactor KM, lightning protection device, circuit breaker QF2, circuit breaker QF1 electricity in proper order are connected, and lightning protection device ground connection, circuit breaker QF1, alternating current contactor KM electricity are connected.

The charging module 5 comprises a first charging module M1 and a second charging module M2, and the first charging module M1 and the second charging module M2 are electrically connected with the alternating current contactor KM.

The direct-current output power distribution circuit 6 comprises a first power distribution circuit and a second power distribution circuit, the first power distribution circuit comprises a fuse FU1, a contactor KM2 and a shunt RS1, the fuse FU1 is electrically connected with the contactor KM1, the fuse FU1 is electrically connected with a first charging module M1, the contactor KM2 is electrically connected with the shunt RS1, the contactor KM2 is electrically connected with the first charging module M1, and the contactor KM1 and the shunt RS1 are electrically connected with a first charging gun;

the second distribution circuit comprises a fuse FU2, a contactor KM3, a contactor KM4 and a shunt RS2, the fuse FU2 is electrically connected with the contactor KM3, the fuse FU2 is electrically connected with a second charging module M2, the contactor KM4 is electrically connected with the shunt RS2, the contactor KM4 is electrically connected with the second charging module M2, and the contactor KM3, the shunt RS2 are electrically connected with a second charging gun.

As shown in figure 3, the whole machine adopts a modular design, so that the maintenance convenience can be improved, and the overhaul is simpler and quicker. Meanwhile, the air channel of the micro-channel heat exchange radiator 122 is consistent with the air channel of the charging module in layout, so that the design of the air channel of the charger can be simplified.

Compared with the prior art, the utility model the advantage have:

1. the direct-current charging pile of the double guns 250A with the liquid cooling charging guns is used for charging, so that the problems that the charging guns are heavy and the use experience of users is poor due to the fact that the cross sections of copper wires of cables of the natural air cooling charging guns in the industry are large can be solved;

2. because the conducting wire conductor of the charging gun can be greatly reduced, the manufacturing cost of the gun wire can be reduced;

3. the phenomenon that equipment is burnt or gun jumping during charging is caused by serious heating at a connecting part due to serious contact abrasion or poor matching degree of the charging gun and the vehicle-end charging seat can be optimized, so that the charging process is more stable, and the charging efficiency is improved;

4. the extension fills electric pile rifle head life that charges.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a stake of charging of rush-harvesting and rush-planting of liquid cooling, is including filling the electric pile body, it is provided with the first rifle and the second rifle that charge that are used for charging on the electric pile body and charges its characterized in that: fill electric pile body still including being used for reducing first rifle, the second liquid cooling system (1) of the rifle temperature of charging, liquid cooling system (1) include controller, circulation passage and set gradually in circulation passage go up and with first oil circuit distribution module (11), heat exchange module (12), stock solution oil tank (13), magnetic gear pump (14), switch module (15), second oil circuit distribution module (16) that the controller electricity is connected, circulation passage with first rifle, the second of charging are charged the rifle and are connected and provide the endless coolant liquid for first rifle, the second of charging, stock solution oil tank (13) are used for the storage coolant liquid.

2. The liquid-cooled dual-gun charging post of claim 1, further comprising: the circulation channel comprises a first outflow branch (21), a second outflow branch (22), a first inflow branch (23), a second inflow branch (24) and a main trunk (25), the first outflow branch (21) and the second outflow branch (22) are communicated with the output end of the main trunk (25), the first inflow branch (23) and the second inflow branch (24) are communicated with the input end of the main trunk (25), the first outflow branch (21) and the first inflow branch (23) are connected with the first charging gun, and the second outflow branch (22) and the second inflow branch (24) are connected with the second charging gun.

3. The liquid-cooled dual-gun charging post of claim 2, further comprising: the output end of the first outflow branch (21) is communicated with a first outflow branch (211) and a second outflow branch (212), the first outflow branch (211) is used for inputting cooling liquid to the DC + end of the first charging gun, and the second outflow branch (212) is used for inputting cooling liquid to the DC-end of the first charging gun;

the output end of the second outflow branch (22) is communicated with a third outflow branch (221) and a fourth outflow branch (222), the third outflow branch (221) is used for inputting cooling liquid to the DC + end of the second charging gun, and the fourth outflow branch (222) is used for inputting cooling liquid to the DC-end of the second charging gun.

4. The liquid-cooled dual-gun charging post of claim 3, wherein: the input end of the first inflow branch (23) is communicated with a first inflow branch (231) and a second inflow branch (232), the first inflow branch (231) is used for connecting cooling liquid output by the DC + end of the first charging gun, and the second inflow branch (232) is used for connecting cooling liquid output by the DC-end of the first charging gun;

the input end of the second inflow branch (24) is communicated with a third inflow branch (241) and a fourth inflow branch (242), the third inflow branch (241) is used for connecting cooling liquid output by the DC + end of the second charging gun, and the fourth inflow branch (242) is used for connecting cooling liquid output by the DC-end of the second charging gun.

5. The liquid-cooled dual-gun charging post of claim 4, wherein: the first oil path distribution module (11) comprises a first oil path distributor (111) and a first temperature detection device (112), the first temperature detection device (112) is arranged at the first inflow branch (23) to detect the temperature of the cooling liquid, and the first oil path distributor (111) is arranged at the input end of the first inflow branch (23) and is respectively connected with the first inflow branch (231) and the second inflow branch (232) to collect the cooling liquid output by the first inflow branch (231) and the second inflow branch (232) into the first inflow branch (23);

the first oil path distribution module (11) further comprises a second oil path distributor (113) and a second temperature detection device (114), the second temperature detection device (114) is arranged at the second inflow branch (24) to detect the temperature of the cooling liquid, and the second oil path distributor (113) is arranged at the input end of the second inflow branch (24) and is respectively connected with the third inflow branch (241) and the fourth inflow branch (242) to collect the cooling liquid output by the third inflow branch (241) and the fourth inflow branch (242) into the second inflow branch (24).

6. The liquid-cooled dual-gun charging post of claim 5, further comprising: the second oil distribution module (16) comprises a third oil distributor (161), a third temperature detection device (162) and a third pressure sensor (163), wherein the third temperature detection device (162) is arranged at the first outflow branch (21) to detect the temperature of the cooling liquid, the third pressure sensor (163) is arranged at the first outflow branch (21) to detect the hydraulic pressure at the first outflow branch (21), and the third oil distributor (161) is arranged at the output end of the first outflow branch (21) and is respectively connected with the first outflow branch (211) and the second outflow branch (212) to distribute the cooling liquid to the first outflow branch (211) and the second outflow branch (212);

the second oil distribution module (16) further comprises a fourth oil distributor (164), a fourth temperature detection device (165) and a fourth pressure sensor (166), the fourth temperature detection device (165) is arranged at the second outflow branch (22) to detect the temperature of the cooling liquid, the fourth pressure sensor (166) is arranged at the second outflow branch (22) to detect the hydraulic pressure at the second outflow branch (22), and the fourth oil distributor (164) is arranged at the output end of the second outflow branch (22) and is respectively connected with the third outflow branch (221) and the fourth outflow branch (222) to distribute the cooling liquid to the third outflow branch (221) and the fourth outflow branch (222).

7. The liquid-cooled dual-gun charging post of claim 6, further comprising: the heat exchange module (12) is arranged at the main line (25), and the heat exchange module (12) comprises a Y-shaped filter (121) for filtering impurities in the circulation channel and a micro-channel heat exchange radiator (122) electrically connected with the controller.

8. The liquid-cooled dual-gun charging post of claim 7, further comprising: the switch module (15) comprises a first solenoid valve (151) and a second solenoid valve (152) which are electrically connected with the controller, the first solenoid valve (151) is arranged at the first outflow branch (21), and the second solenoid valve (152) is arranged at the second outflow branch (22).

9. The liquid-cooled dual-gun charging post of claim 8, further comprising: and a liquid level switch (131) electrically connected with the controller is arranged in the liquid storage oil tank (13).