Vehicle charging cooling system

Abstract

The utility model relates to the technical field of automobile heat dissipation, in particular to a vehicle charging cooling system which comprises a charging pile refrigerant circulation loop, a charging pile water cooling circulation loop, a whole vehicle water cooling circulation loop and a whole vehicle refrigerant circulation loop. A charging pile cooler and a charging pile side heat source are arranged on the charging pile water-cooling circulation loop; a whole vehicle cooler is arranged on the whole vehicle water cooling circulation loop, and a whole vehicle cooler is arranged on the whole vehicle refrigerant circulation loop; the charging pile water-cooling circulation loop is further provided with a first three-way valve and a second three-way valve, the whole vehicle water-cooling circulation loop is provided with a third three-way valve and a fourth three-way valve, a water inlet quick-plug connector is connected between the first three-way valve and the third three-way valve, and a water outlet quick-plug connector is connected between the second three-way valve and the fourth three-way valve. According to the invention, the production cost can be reduced while the charging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the field of automobile heat dissipation technology, and in particular to a vehicle charging cooling system. BACKGROUND

[0002] With the rapid development of electric vehicles, users have increasingly high requirements for driving range, and the basic driving range is more than 500Km, and there are also long-range vehicles with more than 1000Km, which makes it a trend to carry high-energy-density large-battery packs on vehicles. In view of the carrying of large battery packs on vehicles, the charging time of users becomes a challenge, and then the charging rate of the battery is improved, and the cooling of the super-fast charging battery has higher requirements, especially the liquid-cooled battery needs an air conditioner compressor with increased displacement and a water pump with increased power to realize the improvement of the battery pack cooler capacity, resulting in an increase in the cost of the vehicle. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the present disclosure provides a vehicle charging cooling system, which is beneficial to reducing production costs while improving charging efficiency.

[0004] In a first aspect, the embodiments of the present disclosure provide a vehicle charging cooling system, comprising: a charging pile refrigerant circulation loop, a charging pile water cooling circulation loop, a vehicle water cooling circulation loop and a vehicle refrigerant circulation loop, a charging pile cooler is arranged on the charging pile refrigerant circulation loop, and a charging pile cooler and a charging pile side heat source are arranged on the charging pile water cooling circulation loop; a vehicle cooler is arranged on the vehicle water cooling circulation loop, and a vehicle cooler is arranged on the vehicle refrigerant circulation loop; a first three-way valve and a second three-way valve are further arranged on the charging pile water cooling circulation loop, a third three-way valve and a fourth three-way valve are arranged on the vehicle water cooling circulation loop, a water inlet quick plug interface is connected between the first three-way valve and the third three-way valve, and a water outlet quick plug interface is connected between the second three-way valve and the fourth three-way valve.

[0005] In some embodiments, the first port and the second port of the first three-way valve are connected with the charging pile water cooling circulation loop, the third port of the first three-way valve is connected with the water inlet quick plug interface; the first port and the second port of the second three-way valve are connected with the charging pile water cooling circulation loop, the third port of the second three-way valve is connected with the water outlet quick plug interface; the first port and the second port of the third three-way valve are connected with the vehicle water cooling circulation loop, the third port of the third three-way valve is connected with the water inlet quick plug interface; the first port and the second port of the fourth three-way valve are connected with the vehicle water cooling circulation loop, and the third port of the fourth three-way valve is connected with the water outlet quick plug interface.

[0006] In some embodiments, a charging pile condenser assembly is further arranged on the charging pile refrigerant circulation loop, a vehicle condenser assembly is arranged on the vehicle refrigerant circulation loop, and the power of the charging pile condenser assembly is greater than the power of the vehicle condenser assembly.

[0007] In some embodiments, the charging pile condenser assembly includes a charging pile condenser and a first fan, the whole vehicle condenser assembly includes a whole vehicle condenser and a second fan, the power of the charging pile condenser is greater than the power of the whole vehicle condenser, and / or the power of the first fan is greater than the power of the second fan.

[0008] In some embodiments, the charging pile refrigerant circulation loop is further provided with a charging pile compressor, the whole vehicle refrigerant circulation loop is provided with a whole vehicle compressor, and the power of the charging pile compressor is greater than the power of the whole vehicle compressor.

[0009] In some embodiments, the charging pile water cooling circulation loop is further provided with a charging pile water pump, the whole vehicle water cooling circulation loop is provided with a whole vehicle water pump, and the power of the charging pile water pump is greater than the power of the whole vehicle water pump.

[0010] In some embodiments, the charging pile refrigerant circulation loop is further provided with a first high-pressure filling valve, a first low-pressure filling valve, a first electronic expansion valve, a first pressure sensor, and a first liquid storage dryer.

[0011] In some embodiments, the charging pile water cooling circulation loop is further provided with a first liquid supplementing kettle.

[0012] In some embodiments, the whole vehicle water cooling circulation loop is further provided with a second liquid supplementing kettle.

[0013] In some embodiments, the whole vehicle refrigerant circulation loop is further provided with a second high-pressure filling valve, a second low-pressure filling valve, a second electronic expansion valve, a second pressure sensor, and a second liquid storage dryer.

[0014] The technical solutions provided by the present disclosure have the following advantages compared with the prior art:

[0015] The vehicle charging cooling system provided by the present disclosure can realize the connection between the vehicle water cooling circulation loop and the charging pile water cooling circulation loop in the charging pile, and the charging pile refrigerant circulation loop and the vehicle refrigerant circulation loop can simultaneously realize heat exchange of the vehicle water cooling circulation loop and the charging pile water cooling circulation loop in the charging pile, so as to effectively reduce the temperature of the heat source on the charging pile side and the temperature of the vehicle battery pack, and improve the charging efficiency. Moreover, the connection between the vehicle water cooling circulation loop and the charging pile water cooling circulation loop in the charging pile can reuse the existing charging pile water cooling circulation loop in the charging pile, and there is no need to additionally set a water cooling circulation loop in the charging pile, which is beneficial to reducing the production cost of the charging pile. At the same time, the vehicle water cooling circulation loop can be heat-exchanged by the charging pile refrigerant circulation loop and the charging pile water cooling circulation loop, so as to realize heat dissipation of the vehicle battery pack, and the components on the vehicle water cooling circulation loop and the vehicle refrigerant circulation loop can use low-power components, which is beneficial to reducing the production cost of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments consistent with the present disclosure and serve to explain the principles of the present disclosure together with the specification.

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the accompanying drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, for those skilled in the art, other drawings can also be obtained based on these drawings without any creative labor.

[0018] Figure 1 FIG. 1 is a structural schematic diagram of a vehicle charging cooling system provided by an embodiment of the present disclosure.

[0019] The figure is marked as: 10-charging pile refrigerant circulation loop; 11-charging pile condenser assembly; 111-charging pile condenser; 112-first fan; 12-charging pile compressor; 13-first high-pressure filling valve; 14-first low-pressure filling valve; 15-first electronic expansion valve; 16-first pressure sensor; 17-first liquid storage dryer; 20-charging pile water cooling circulation loop; 21-charging pile side heat source; 22-charging pile water pump; 23-first liquid supplement kettle; 30-vehicle water cooling circulation loop; 31-vehicle water pump; 32-second liquid supplement kettle; 40-vehicle refrigerant circulation loop; 41-vehicle condenser assembly; 411-vehicle condenser; 412-second fan; 42-vehicle compressor; 43-second high-pressure filling valve; 44-second low-pressure filling valve; 45-second electronic expansion valve; 46-second pressure sensor; 47-second liquid storage dryer; 50-charging pile cooler; 60-vehicle cooler; 71-water inlet quick plug interface; 72-water outlet quick plug interface. DETAILED DESCRIPTION

[0020] In order to enable a more clear understanding of the above-mentioned purposes, features and advantages of the present disclosure, the schemes of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure can also be implemented in other ways different from those described herein; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, not all the embodiments.

[0022] Figure 1 is a structural schematic diagram of a vehicle charging cooling system provided by the present embodiment, referring to Figure 1 The present embodiment provides a vehicle charging cooling system, which comprises: a charging pile refrigerant circulation loop 10, a charging pile water cooling circulation loop 20, a vehicle water cooling circulation loop 30 and a vehicle refrigerant circulation loop 40, the charging pile refrigerant circulation loop 10 is provided with a charging pile cooler 50, the charging pile water cooling circulation loop 20 is provided with the charging pile cooler 50 and a charging pile side heat source 21; the vehicle water cooling circulation loop 30 is provided with a vehicle cooler 60, and the vehicle refrigerant circulation loop 40 is provided with the vehicle cooler 60.

[0023] The charging pile water cooling circulation loop 20 is further provided with a first three-way valve K1 and a second three-way valve K2, the vehicle water cooling circulation loop is provided with a third three-way valve K3 and a fourth three-way valve K4, the first three-way valve K1 and the third three-way valve K3 are connected with a water inlet quick plug interface 71, and the second three-way valve K2 and the fourth three-way valve K4 are connected with a water outlet quick plug interface 72.

[0024] Specifically, the vehicle charging cooling system provided in the embodiment comprises a charging pile refrigerant circulation loop 10, a charging pile water cooling circulation loop 20, a whole vehicle water cooling circulation loop 30 and a whole vehicle refrigerant circulation loop 40, wherein the charging pile refrigerant circulation loop 10 and the charging pile water cooling circulation loop 20 are arranged in the charging pile, and the whole vehicle water cooling circulation loop 30 and the whole vehicle refrigerant circulation loop 40 are arranged in the vehicle.

[0025] The charging pile refrigerant circulation loop 10 and the charging pile water cooling circulation loop 20 are connected to the charging pile cooler 50, the charging pile cooler 50 can realize heat exchange between the charging pile refrigerant circulation loop 10 and the charging pile water cooling circulation loop 20, that is, the charging pile refrigerant circulation loop 10 can take away the heat in the charging pile water cooling circulation loop 20. The charging pile water cooling circulation loop 20 is provided with a charging pile side heat source 21, and the charging pile water cooling circulation loop 20 can realize heat dissipation of the charging pile side heat source 21, so as to ensure normal work of the charging pile side heat source 21.

[0026] The whole vehicle water cooling circulation loop 30 and the whole vehicle refrigerant circulation loop 40 are connected to the whole vehicle cooler 60, the whole vehicle cooler 60 can realize heat exchange between the whole vehicle water cooling circulation loop 30 and the whole vehicle refrigerant circulation loop 40, that is, the whole vehicle refrigerant circulation loop 40 can take away the heat in the whole vehicle water cooling circulation loop 30. The whole vehicle water cooling circulation loop 30 can dissipate heat for the vehicle battery pack.

[0027] The charging pile water cooling circulation loop 20 is further provided with a first three-way valve K1 and a second three-way valve K2, the whole vehicle water cooling circulation loop is provided with a third three-way valve K3 and a fourth three-way valve K4, the first three-way valve K1 and the third three-way valve K3 are connected by a water inlet quick plug interface 71, the second three-way valve K2 and the fourth three-way valve K4 are connected by a water outlet quick plug interface 72, the water inlet quick plug interface 71 and the water outlet quick plug interface 72 are used for connection between the whole vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile, when the water inlet quick plug interface 71 and the water outlet quick plug interface 72 are disconnected, the water inlet quick plug interface 71 and the water outlet quick plug interface 72 are automatically closed, and when the water inlet quick plug interface 71 and the water outlet quick plug interface 72 are connected, the water inlet quick plug interface 71 and the water outlet quick plug interface 72 are automatically connected.

[0028] When the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle at a high current, and the battery pack in the vehicle generates a large amount of heat and the temperature of the battery cell rises rapidly. By controlling the first three-way valve K1, the second three-way valve K2, the third three-way valve K3 and the fourth three-way valve K4, the vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile are connected, and the charging pile refrigerant circulation loop 10 and the vehicle refrigerant circulation loop 40 can simultaneously realize heat exchange of the vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile, thereby effectively reducing the temperature of the heat source 21 on the charging pile side and the temperature of the battery pack in the vehicle, and improving the charging efficiency. The vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile are connected, which can reuse the existing charging pile water cooling circulation loop 20 in the charging pile, and there is no need to additionally set up a water cooling circulation loop in the charging pile, which is beneficial to reducing the production cost of the charging pile. At the same time, the charging pile refrigerant circulation loop 10 and the charging pile water cooling circulation loop 20 in the charging pile can be used for heat exchange of the vehicle water cooling circulation loop 30, thereby realizing heat dissipation of the battery pack in the vehicle, and the components on the vehicle water cooling circulation loop 30 and the vehicle refrigerant circulation loop 40 in the vehicle can use low-power components, which is beneficial to reducing the production cost of the vehicle.

[0029] When the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle at a high current, and the battery pack in the vehicle generates a large amount of heat and the temperature of the battery cell rises rapidly. By controlling the first three-way valve K1, the second three-way valve K2, the third three-way valve K3 and the fourth three-way valve K4, the vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile are connected, and the charging pile refrigerant circulation loop 10 and the vehicle refrigerant circulation loop 40 can simultaneously realize heat exchange of the vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile, thereby effectively reducing the temperature of the heat source 21 on the charging pile side and the temperature of the battery pack in the vehicle, and improving the charging efficiency. The vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile are connected, which can reuse the existing charging pile water cooling circulation loop 20 in the charging pile, and there is no need to additionally set up a water cooling circulation loop in the charging pile, which is beneficial to reducing the production cost of the charging pile. At the same time, the charging pile refrigerant circulation loop 10 and the charging pile water cooling circulation loop 20 in the charging pile can be used for heat exchange of the vehicle water cooling circulation loop 30, thereby realizing heat dissipation of the battery pack in the vehicle, and the components on the vehicle water cooling circulation loop 30 and the vehicle refrigerant circulation loop 40 in the vehicle can use low-power components, which is beneficial to reducing the production cost of the vehicle.

[0030] When the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle at a high current, and the battery pack in the vehicle generates a large amount of heat and the temperature of the battery cell rises rapidly. By controlling the first three-way valve K1, the second three-way valve K2, the third three-way valve K3 and the fourth three-way valve K4, the vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile are connected, and the charging pile refrigerant circulation loop 10 and the vehicle refrigerant circulation loop 40 can simultaneously realize heat exchange of the vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile, thereby effectively reducing the temperature of the heat source 21 on the charging pile side and the temperature of the battery pack in the vehicle, and improving the charging efficiency. The vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile are connected, which can reuse the existing charging pile water cooling circulation loop 20 in the charging pile, and there is no need to additionally set up a water cooling circulation loop in the charging pile, which is beneficial to reducing the production cost of the charging pile. At the same time, the charging pile refrigerant circulation loop 10 and the charging pile water cooling circulation loop 20 in the charging pile can be used for heat exchange of the vehicle water cooling circulation loop 30, thereby realizing heat dissipation of the battery pack in the vehicle, and the components on the vehicle water cooling circulation loop 30 and the vehicle refrigerant circulation loop 40 in the vehicle can use low-power components, which is beneficial to reducing the production cost of the vehicle.

[0031] With continued reference to Figure 1In some optional embodiments, the first port 1 and the second port 2 of the first three-way valve K1 are connected with the water cooling circulation loop 20 of the charging pile, and the third port 3 of the first three-way valve K1 is connected with the water inlet quick plug interface 71;

[0032] The first port 1 and the second port 2 of the second three-way valve K2 are connected with the water cooling circulation loop 20 of the charging pile, and the third port 3 of the second three-way valve K2 is connected with the water outlet quick plug interface 72;

[0033] The first port 1 and the second port 2 of the third three-way valve K3 are connected with the water cooling circulation loop 30 of the whole vehicle, and the third port 3 of the third three-way valve K3 is connected with the water inlet quick plug interface 71;

[0034] The first port 1 and the second port 2 of the fourth three-way valve K4 are connected with the water cooling circulation loop 30 of the whole vehicle, and the third port 3 of the fourth three-way valve K4 is connected with the water outlet quick plug interface 72.

[0035] Specifically, when the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle quickly, the battery pack in the vehicle generates a large amount of heat and the temperature of the battery cell rises quickly, and the first three-way valve K1, the second three-way valve K2, the third three-way valve K3 and the fourth three-way valve K4 are all controlled to be in the 50% position, that is, the first port 1 and the second port 2 of the first three-way valve K1 are turned on, the first port 1 and the third port 3 of the first three-way valve K1 are turned on, the first port 1 and the second port 2 of the second three-way valve K2 are turned on, the second port 2 and the third port 3 of the second three-way valve K2 are turned on, the first port 1 and the second port 2 of the third three-way valve K3 are turned on, the first port 1 and the third port 3 of the third three-way valve K3 are turned on, the first port 1 and the second port 2 of the fourth three-way valve K4 are turned on, and the first port 1 and the third port 3 of the fourth three-way valve K4 are turned on, so as to realize the connection between the water cooling circulation loop 30 of the whole vehicle in the vehicle and the water cooling circulation loop 20 of the charging pile in the charging pile.

[0036] When the SOC of the battery pack in the vehicle rises, the charging current decreases, the battery pack in the vehicle generates a small amount of heat and the temperature of the battery cell rises slowly, and the first three-way valve K1, the second three-way valve K2, the third three-way valve K3 and the fourth three-way valve K4 are all controlled to be in the 50% position, that is, the first port 1 and the second port 2 of the first three-way valve K1 are turned on, the first port 1 and the third port 3 of the first three-way valve K1 are turned on, the first port 1 and the second port 2 of the second three-way valve K2 are turned on, the second port 2 and the third port 3 of the second three-way valve K2 are turned on, the first port 1 and the second port 2 of the third three-way valve K3 are turned on, the first port 1 and the third port 3 of the third three-way valve K3 are turned on, the first port 1 and the second port 2 of the fourth three-way valve K4 are turned on, and the first port 1 and the third port 3 of the fourth three-way valve K4 are turned on, so as to realize the connection between the water cooling circulation loop 30 of the whole vehicle in the vehicle and the water cooling circulation loop 20 of the charging pile in the charging pile.

[0037] When the SOC of the battery pack in the vehicle approaches 100%, the charging current is small, the battery pack in the vehicle generates little heat, and the temperature of the battery cell rises slowly. The first three-way valve K1 and the second three-way valve K2 are both controlled to be at the 100% position, and the third three-way valve K3 and the fourth three-way valve K4 are both controlled to be at the 0% position, i.e., the first port 1 and the second port 2 of the first three-way valve K1 are turned on, the first port 1 and the third port 3 of the first three-way valve K1 are closed, the first port 1 and the second port 2 of the second three-way valve K2 are turned on, the first port 1 and the third port 3 of the second three-way valve K2 are closed, the first port 1 and the second port 2 of the third three-way valve K3 are closed, the first port 1 and the third port 3 of the third three-way valve K3 are turned on, the first port 1 and the second port 2 of the fourth three-way valve K4 are closed, and the first port 1 and the third port 3 of the fourth three-way valve K4 are turned on, so as to realize the disconnection between the vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile.

[0038] Optionally, the first three-way valve K1, the second three-way valve K2, the third three-way valve K3, and the fourth three-way valve K4 can be electronic three-way valves. Of course, in other embodiments of the present disclosure, the first three-way valve K1, the second three-way valve K2, the third three-way valve K3, and the fourth three-way valve K4 can also be other three-way valves, which will not be described herein again.

[0039] Continuing to refer to Figure 1 In some optional embodiments, the charging pile refrigerant circulation loop 10 is further provided with a charging pile condenser assembly 11, and the vehicle refrigerant circulation loop 40 is provided with a vehicle condenser assembly 41. The power of the charging pile condenser assembly 11 is greater than the power of the vehicle condenser assembly 41.

[0040] Specifically, when the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle quickly, the battery pack in the vehicle generates a large amount of heat, and the temperature of the battery cell rises quickly. The vehicle water cooling circulation loop 30 in the vehicle is connected with the charging pile water cooling circulation loop 20 in the charging pile, and the charging pile refrigerant circulation loop 10 and the vehicle refrigerant circulation loop 40 can simultaneously realize heat exchange of the vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile. Therefore, the power of the vehicle condenser assembly 41 on the vehicle refrigerant circulation loop 40 can be smaller than the power of the charging pile condenser assembly 11 on the charging pile refrigerant circulation loop 10, i.e., the vehicle condenser assembly 41 on the vehicle refrigerant circulation loop 40 can adopt a condenser assembly with smaller power, which is beneficial to reducing the production cost of the vehicle.

[0041] Continuing to refer to Figure 1In some optional embodiments, the charging pile condenser assembly 11 comprises a charging pile condenser 111 and a first fan 112, the whole vehicle condenser assembly 41 comprises a whole vehicle condenser 411 and a second fan 412, the power of the charging pile condenser 111 is greater than the power of the whole vehicle condenser 411, and / or the power of the first fan 112 is greater than the power of the second fan 412.

[0042] Specifically, when the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle quickly, the battery pack in the vehicle generates a large amount of heat and the temperature of the battery cell rises quickly, the communication between the whole vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile is connected, and the charging pile refrigerant circulation loop 10 and the whole vehicle refrigerant circulation loop 40 can simultaneously realize heat exchange of the whole vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile, so that the power of the whole vehicle condenser 411 can be set to be less than the power of the charging pile condenser 111, and / or the power of the second fan 412 can be set to be less than the power of the first fan 112, that is, the whole vehicle condenser 411 can adopt a whole vehicle condenser with smaller power, and / or the second fan 412 can adopt a fan with smaller power, which is beneficial to reducing the production cost of the vehicle.

[0043] Continuing to refer to Figure 1 In some optional embodiments, the charging pile refrigerant circulation loop 10 is further provided with a charging pile compressor 12, the whole vehicle refrigerant circulation loop 40 is provided with a whole vehicle compressor 42, and the power of the charging pile compressor 12 is greater than the power of the whole vehicle compressor 42.

[0044] Specifically, when the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle quickly, the battery pack in the vehicle generates a large amount of heat and the temperature of the battery cell rises quickly, the communication between the whole vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile is connected, and the charging pile refrigerant circulation loop 10 and the whole vehicle refrigerant circulation loop 40 can simultaneously realize heat exchange of the whole vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile, so that the power of the whole vehicle condenser 411 can be set to be less than the power of the charging pile condenser 111, and / or the power of the second fan 412 can be set to be less than the power of the first fan 112, that is, the whole vehicle condenser 411 can adopt a whole vehicle condenser with smaller power, and / or the second fan 412 can adopt a fan with smaller power, which is beneficial to reducing the production cost of the vehicle.

[0045] Continuing to refer to Figure 1 In some optional embodiments, the charging pile water cooling circulation loop 20 is further provided with a charging pile water pump 22, the whole vehicle water cooling circulation loop 30 is provided with a whole vehicle water pump 31, and the power of the charging pile water pump 22 is greater than the power of the whole vehicle water pump 31.

[0046] Specifically, when the SOC of the battery pack in the vehicle is small, the charging pile charges the vehicle quickly, the battery pack in the vehicle generates a large amount of heat, the temperature of the battery cell rises quickly, the communication between the vehicle water cooling circulation loop 30 in the vehicle and the charging pile water cooling circulation loop 20 in the charging pile is realized, and the charging pile refrigerant circulation loop 10 and the vehicle refrigerant circulation loop 40 can simultaneously realize heat exchange of the vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile. The flow rate of the cooling liquid in the vehicle water cooling circulation loop 30 and the charging pile water cooling circulation loop 20 in the charging pile can be controlled by the charging pile water pump 22 and the vehicle water pump 31, so that the power of the vehicle water pump 31 on the vehicle water cooling circulation loop 30 can be smaller than the power of the charging pile water pump 22 on the charging pile water cooling circulation loop 20, that is, the vehicle water pump 31 on the vehicle water cooling circulation loop 30 can use a water pump with smaller power, which is beneficial to reducing the production cost of the vehicle.

[0047] It should be noted that in each state, the speed of the charging pile water pump 22 on the charging pile water cooling circulation loop 20 and the speed of the vehicle water pump 31 on the vehicle water cooling circulation loop 30 can be adjusted according to the needs, so as to adjust the flow rate of the cooling liquid in the charging pile water cooling circulation loop 20 and the vehicle water cooling circulation loop 30.

[0048] Continuing to refer to Figure 1 In some optional embodiments, the charging pile refrigerant circulation loop 10 is further provided with a first high-pressure filling valve 13, a first low-pressure filling valve 14, a first electronic expansion valve 15, a first pressure sensor 16 and a first liquid storage dryer 17.

[0049] Specifically, on the charging pile refrigerant circulation loop 10, the charging pile cooler 50, the first low-pressure filling valve 14, the charging pile compressor 12, the first pressure sensor 16, the charging pile condenser assembly 11, the first liquid storage dryer 17, the first high-pressure filling valve 13 and the first electronic expansion valve 15 are sequentially arranged. Among them, the first high-pressure filling valve 13 can realize vacuumizing the charging pile refrigerant circulation loop 10, the first low-pressure filling valve 14 can realize refrigerant filling of the charging pile refrigerant circulation loop 10, and the first electronic expansion valve 15 and the first pressure sensor 16 can protect the charging pile refrigerant circulation loop 10.

[0050] It should be noted that other components can also be provided on the charging pile refrigerant circulation loop 10, which will not be described here in detail.

[0051] Continuing to refer to Figure 1 In some optional embodiments, the charging pile water cooling circulation loop 20 is further provided with a first liquid supplementing kettle 23.

[0052] Specifically, on the charging pile water cooling circulation loop 20, the charging pile cooler 50, the first three-way valve K1, the charging pile water pump 22, the charging pile side heat source 21, the first liquid supplementing kettle 23 and the second three-way valve K2 are sequentially arranged.

[0053] It should be noted that other components can also be arranged on the charging pile water cooling circulation loop 20, which will not be described one by one herein.

[0054] With reference to the foregoing Figure 1 In some optional embodiments, the second liquid supplementing kettle 32 is further arranged on the whole vehicle water cooling circulation loop 30.

[0055] Specifically, on the whole vehicle water cooling circulation loop 30, the whole vehicle cooler 60, the whole vehicle water pump 31, the third three-way valve K3, the fourth three-way valve K4 and the second liquid supplementing kettle 32 are sequentially arranged.

[0056] It should be noted that other components can also be arranged on the whole vehicle water cooling circulation loop 30, which will not be described one by one herein.

[0057] With reference to the foregoing Figure 1 In some optional embodiments, the second high-pressure filling valve 43, the second low-pressure filling valve 44, the second electronic expansion valve 45, the second pressure sensor 46 and the second liquid storage dryer 47 are further arranged on the whole vehicle refrigerant circulation loop 40.

[0058] Specifically, on the whole vehicle refrigerant circulation loop 40, the whole vehicle cooler 60, the second electronic expansion valve 45, the second high-pressure filling valve 43, the second pressure sensor 46, the second liquid storage dryer 47, the whole vehicle condenser assembly 41, the whole vehicle compressor 42 and the second low-pressure filling valve 44 are sequentially arranged. The second high-pressure filling valve 43 can be used to perform vacuumization on the whole vehicle refrigerant circulation loop 40, the second low-pressure filling valve 44 can be used to perform refrigerant filling on the whole vehicle refrigerant circulation loop 40, and the second electronic expansion valve 45 and the second pressure sensor 46 can protect the whole vehicle refrigerant circulation loop 40.

[0059] It should be noted that other components can also be arranged on the whole vehicle refrigerant circulation loop 40, which will not be described one by one herein.

[0060] The above description is only the preferred embodiments of the present disclosure and the explanation of the applied technical principles. Those skilled in the art should understand that the disclosure range involved in the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or equivalent features without departing from the above disclosed concept. For example, the above features are replaced with the technical features disclosed in the present disclosure (but not limited to) having similar functions to form technical solutions.

[0061] Moreover, while operations are depicted in a particular order, this should not be understood as requiring such an order nor imposing a sequential order of executed operations. In certain circumstances, multitasking and parallel processing can be advantageous. Likewise, while a number of separate embodiments have been discussed above, alternate embodiments can be devised that fall within the scope of the present disclosure. For example, some features can be combined, omitted, or substituted for one another. Similarly, some features can be employed in multiple embodiments, for example, features described in association with a particular embodiment can be employed in association with other embodiments. In addition, the description herein is intended to cover all alternatives, modifications, and equivalents of the specific embodiments disclosed. Further, the description herein is intended to cover all of the generic and specific features of the embodiments described herein. As such, one skilled in the art will appreciate that the conception, unique aspects, and specific details, and numerical

[0062] Although the subject matter has been described in language specific to structural features and / or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.

[0063] The above description is merely illustrative of the embodiments of this disclosure and is not intended to limit the scope of the disclosure. Variations and modifications as well as other implementations of the present disclosure can be made based on the description set forth herein. It is therefore requested that the patent be interpreted not as a limitation to the embodiments described herein, but rather a full and balanced reading of the entire patent, including the claims.

Claims

1. A vehicle charging cooling system, characterized by, Comprise: The charging pile refrigerant circulation loop, the charging pile water cooling circulation loop, the whole vehicle water cooling circulation loop and the whole vehicle refrigerant circulation loop, the charging pile cooler is provided on the charging pile refrigerant circulation loop, the charging pile cooler and charging pile side heat source are provided on the charging pile water cooling circulation loop;The whole vehicle cooler is provided on the whole vehicle water cooling circulation loop, and the whole vehicle cooler is provided on the whole vehicle refrigerant circulation loop; The first three-way valve and the second three-way valve are further provided on the charging pile water cooling circulation loop, the third three-way valve and the fourth three-way valve are provided on the whole vehicle water cooling circulation loop, the water inlet quick plug interface is connected between the first three-way valve and the third three-way valve, and the water outlet quick plug interface is connected between the second three-way valve and the fourth three-way valve.

2. The vehicle charging cooling system according to claim 1, wherein The first port and the second port of the first three-way valve are connected with the charging pile water cooling circulation loop, and the third port of the first three-way valve is connected with the water inlet quick plug interface; The first port and the second port of the second three-way valve are connected with the charging pile water cooling circulation loop, and the third port of the second three-way valve is connected with the water outlet quick plug interface; The first port and the second port of the third three-way valve are connected with the whole vehicle water cooling circulation loop, and the third port of the third three-way valve is connected with the water inlet quick plug interface; The first port and the second port of the fourth three-way valve are connected with the whole vehicle water cooling circulation loop, and the third port of the fourth three-way valve is connected with the water outlet quick plug interface.

3. The vehicle charging cooling system according to claim 1, wherein The charging pile condenser assembly is further provided on the charging pile refrigerant circulation loop, the whole vehicle condenser assembly is provided on the whole vehicle refrigerant circulation loop, and the power of the charging pile condenser assembly is greater than that of the whole vehicle condenser assembly.

4. The vehicle charging cooling system according to claim 3, wherein The charging pile condenser assembly comprises a charging pile condenser and a first fan, the whole vehicle condenser assembly comprises a whole vehicle condenser and a second fan, the power of the charging pile condenser is greater than that of the whole vehicle condenser, and / or the power of the first fan is greater than that of the second fan.

5. The vehicle charging cooling system according to claim 1, wherein The charging pile compressor is further provided on the charging pile refrigerant circulation loop, the whole vehicle compressor is provided on the whole vehicle refrigerant circulation loop, and the power of the charging pile compressor is greater than that of the whole vehicle compressor.

6. The vehicle charging cooling system according to claim 1, wherein The charging pile water pump is further provided on the charging pile water cooling circulation loop, the whole vehicle water pump is provided on the whole vehicle water cooling circulation loop, and the power of the charging pile water pump is greater than that of the whole vehicle water pump.

7. The vehicle charging cooling system according to claim 1, wherein The first high-pressure filling valve, the first low-pressure filling valve, the first electronic expansion valve, the first pressure sensor and the first liquid storage dryer are further provided on the charging pile refrigerant circulation loop.

8. The vehicle charging cooling system according to claim 1, wherein The first liquid supplementing pot is arranged on the charging pile water cooling circulation loop.

9. The vehicle charging cooling system of claim 1, wherein, The second liquid supplementing pot is arranged on the whole vehicle water cooling circulation loop.

10. The vehicle charging cooling system of claim 1, wherein, The second high-pressure filling valve, the second low-pressure filling valve, the second electronic expansion valve, the second pressure sensor and the second liquid storage dryer are arranged on the whole vehicle refrigerant circulation loop.

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