An integrated charging pile heat pump thermal management system

Abstract

An integrated charging pile heat pump thermal management system includes a controller, a first water pump, a heat pump device, a battery cold plate, a battery, a first four-way solenoid valve, a three-way solenoid valve, a charging pile device, a second water pump, a radiator, and a first temperature sensor. The first water pump, the heat pump device, the battery cold plate, and the first four-way solenoid valve are interconnected; the first four-way solenoid valve, the three-way solenoid valve, the second water pump, and the radiator are interconnected. The controller obtains a battery temperature of the battery via the first temperature sensor. Based on the battery temperature, the controller enters a temperature control mode to control the first water pump, the heat pump device, the first four-way solenoid valve, the three-way solenoid valve, and the second water pump.

Description

Technical Field

[0001] The present invention relates to a charging pile heat pump thermal management system, and in particular to an integrated charging pile heat pump thermal management system. Background Art

[0002] A charging pile device is a charging device that may include a charging pile, a power controller, and a charging gun, so as to transfer power to an external load (such as an electric vehicle) to charge the external load.

[0003] A charging station device may also include additional batteries to provide more power to external loads. If the battery temperature is too high, it may explode, posing a danger. If the battery temperature is too low, its efficiency may deteriorate. Therefore, effective thermal management is required to maintain the additional batteries in the charging station device at an appropriate temperature.

[0004] However, the thermal management of the additional batteries in the charging pile device is not effective at present, and this problem needs to be improved urgently. Summary of the Invention

[0005] In order to solve the above problems, the object of the present invention is to provide an integrated charging pile heat pump thermal management system.

[0006] To achieve the above-mentioned object of the present invention, the integrated charging pile heat pump thermal management system of the present invention comprises: a controller; a plurality of pipes; a first water pump electrically connected to the controller; a heat pump device electrically connected to the controller; a battery cold plate; a battery disposed at the battery cold plate; a first four-way solenoid valve electrically connected to the controller; a three-way solenoid valve electrically connected to the controller; a charging pile device electrically connected to the controller and disposed at the pipes; a second water pump electrically connected to the controller; a radiator; and a first temperature A temperature sensor is electrically connected to the controller and is disposed at the battery, wherein the first water pump, the heat pump device, the battery cold plate, and the first four-way solenoid valve are connected to each other via the pipes; the first four-way solenoid valve, the three-way solenoid valve, the second water pump, and the radiator are connected to each other via the pipes; the controller obtains a battery temperature of the battery via the first temperature sensor; and according to the battery temperature, the controller enters a temperature control mode to control the first water pump, the heat pump device, the first four-way solenoid valve, the three-way solenoid valve, and the second water pump.

[0007] In one embodiment of the present invention, the heat pump device includes: a plate heat exchanger; an electronic expansion valve electrically connected to the controller; a condenser evaporator; a second four-way solenoid valve electrically connected to the controller; and a compressor electrically connected to the controller, wherein the plate heat exchanger, the electronic expansion valve, the condenser evaporator, the second four-way solenoid valve and the compressor are connected to each other through the pipes; the first water pump, the plate heat exchanger, the battery cold plate and the first four-way solenoid valve are connected to each other through the pipes.

[0008] In one embodiment of the present invention, it further comprises: a second temperature sensor electrically connected to the controller and arranged at the charging pile device, wherein the controller learns a charging pile temperature of the charging pile device through the second temperature sensor; wherein the temperature control mode is a battery heat pump cooling and charging pile radiator cooling mode; when the battery temperature is higher than a battery terminal upper limit temperature and the charging pile temperature is higher than a charging pile preset temperature, the controller enters the battery heat pump cooling and charging pile radiator cooling mode, so that the controller drives the first water pump, the electronic expansion valve, the second four-way solenoid valve, the compressor, the first four-way solenoid valve, the three-way solenoid valve and the second water pump to form a battery circuit, a charging A pile circuit and a heat pump circuit are provided, so as to utilize the heat pump device to cool the battery through the battery cold plate and utilize the radiator to cool the charging pile device through the pipes; wherein, the battery circuit passes through the first water pump, the plate heat exchanger, the battery cold plate and the first four-way solenoid valve through the pipes and then returns to the first water pump; the charging pile circuit passes through the second water pump, the radiator, the first four-way solenoid valve, the three-way solenoid valve and the pipes provided with the charging pile device through the pipes and then returns to the second water pump; the heat pump circuit passes through the compressor, the second four-way solenoid valve, the condenser evaporator, the electronic expansion valve, the plate heat exchanger and the second four-way solenoid valve in sequence through the pipes and then returns to the compressor.

[0009] In one embodiment of the present invention, the temperature control mode is a battery radiator cooling mode; when the battery temperature is lower than a battery terminal upper limit temperature but higher than a battery terminal intermediate temperature and the controller detects that the charging pile device has stopped working, the controller enters the battery radiator cooling mode, so that the controller drives the first water pump, the first four-way solenoid valve, the three-way solenoid valve and the second water pump to form a charging pile stop working loop, thereby utilizing the radiator to cool the battery through the battery cold plate; wherein, the charging pile stop working loop passes through the first water pump, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes without the charging pile device, the second water pump and the radiator and then returns to the first water pump.

[0010] In one embodiment of the present invention, the present invention further includes: a second temperature sensor electrically connected to the controller and disposed at the charging pile device, wherein the controller obtains a charging pile temperature of the charging pile device through the second temperature sensor; wherein the temperature control mode is a battery charging pile radiator cooling mode; when the battery temperature is lower than a battery terminal upper limit temperature but higher than a battery terminal intermediate temperature and the charging pile temperature is higher than a charging pile preset temperature, the controller enters the battery charging pile radiator cooling mode, so that the controller drives the first water pump, the first four-way solenoid valve, the three-way solenoid valve and the second water pump to form a charging pile working loop, thereby utilizing the radiator to cool the battery through the battery cold plate and utilizing the radiator to cool the charging pile device through the pipes; wherein the charging pile working loop passes through the first water pump, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes provided with the charging pile device, the second water pump and the radiator and then returns to the first water pump through the pipes.

[0011] In one embodiment of the present invention, the device further comprises: a heater electrically connected to the controller, wherein the first water pump, the heater, the plate heat exchanger, the battery cold plate and the first four-way solenoid valve are connected to each other through the pipes.

[0012] In one embodiment of the present invention, the temperature control mode is a heat recovery heater heating mode; when the battery temperature is lower than a battery terminal lower limit temperature and the controller detects that the charging pile device is working, the controller enters the heat recovery heater heating mode, so that the controller drives the first water pump, the heater, the first four-way solenoid valve, the three-way solenoid valve and the second water pump to form a charging pile working heat recovery loop, thereby utilizing the heat energy generated by the heater and the working charging pile device to heat the battery through the battery cold plate; wherein, the charging pile working heat recovery loop passes through the first water pump, the heater, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes provided with the charging pile device, the second water pump and the radiator and then returns to the first water pump.

[0013] In one embodiment of the present invention, the temperature control mode is a heater heat pump heating mode; when the battery temperature is lower than a battery terminal lower limit temperature and the controller detects that the charging pile device stops working, the controller enters the heater heat pump heating mode, so that the controller drives the first water pump, the heater, the electronic expansion valve, the second four-way solenoid valve, the compressor and the first four-way solenoid valve to form a heater circuit and a heat pump heating circuit, thereby utilizing the heater and the heat pump device to heat the battery through the battery cold plate; wherein the heater circuit passes through the first water pump, the heater, the plate heat exchanger, the battery cold plate and the first four-way solenoid valve through the pipes and then returns to the first water pump; the heat pump heating circuit passes through the compressor, the second four-way solenoid valve, the plate heat exchanger, the electronic expansion valve, the condenser evaporator and the second four-way solenoid valve in sequence through the pipes and then returns to the compressor.

[0014] In one embodiment of the present invention, the temperature control mode is a heat pump heating mode of a heat recovery heater; when the battery temperature is lower than a battery terminal lower limit temperature and the controller detects that the charging pile device is working, the controller enters the heat pump heating mode of the heat recovery heater, so that the controller drives the first water pump, the heater, the electronic expansion valve, the second four-way solenoid valve, the compressor, the first four-way solenoid valve, the three-way solenoid valve and the second water pump to form a heater charging pile circuit and a heat pump heating circuit, so as to utilize the energy generated by the working charging pile device. The heat energy generated by the heater and the heat pump device heats the battery through the battery cold plate; wherein, the heater charging pile circuit passes through the first water pump, the heater, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes provided with the charging pile device, the second water pump and the radiator and then returns to the first water pump through the pipes; the heat pump heating circuit passes through the compressor, the second four-way solenoid valve, the plate heat exchanger, the electronic expansion valve, the condenser evaporator and the second four-way solenoid valve in sequence through the pipes and then returns to the compressor.

[0015] In one embodiment of the present invention, the invention further comprises: a degassing kettle,

[0016] wherein the first four-way solenoid valve, the three-way solenoid valve, the second water pump, the degassing kettle and the radiator are connected to each other through the pipes; wherein the charging pile device includes: a charging pile, electrically connected to the controller and arranged at the pipes; a power controller, electrically connected to the controller and arranged at the pipes; and a charging gun, electrically connected to the controller and arranged at the pipes.

[0017] The present invention is effective in performing thermal management on the additional battery of the charging pile device.

[0018] In order to further understand the techniques, means and effects adopted by the present invention to achieve the intended purpose, please refer to the following detailed description and drawings of the present invention. It is believed that the purposes, features and characteristics of the present invention can be deeply and specifically understood thereby. However, the drawings are provided for reference and illustration only and are not intended to limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following will explain the preferred implementation scheme in a clear and easy-to-understand manner with reference to the accompanying drawings, and further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of an integrated charging pile heat pump thermal management system.

[0020] Figure 1 Schematic diagram of the water flow direction of the first embodiment of the integrated charging pile heat pump thermal management system of the present invention.

[0021] Figure 2 Schematic diagram of the water flow direction of the second embodiment of the integrated charging pile heat pump thermal management system of the present invention.

[0022] Figure 3 Schematic diagram of water flow direction of the third embodiment of the integrated charging pile heat pump thermal management system of the present invention.

[0023] Figure 4 Schematic diagram of water flow direction of the fourth embodiment of the integrated charging pile heat pump thermal management system of the present invention.

[0024] Figure 5 Schematic diagram of water flow direction of the fifth embodiment of the integrated charging pile heat pump thermal management system of the present invention.

[0025] Description of Figure Numbers:

[0026] 10: Integrated charging pile heat pump thermal management system; 102: Controller; 104: Pipeline; 106: First water pump; 108: Heater; 110: Heat pump device; 112: Battery cold plate; 114: Battery; 116: First four-way solenoid valve; 118: Three-way solenoid valve; 120: Power controller; 122: Charging gun; 124: Charging pile device; 126: Second water pump; 128: Degassing kettle; 130: Radiator; 132: First temperature sensor; 134: Second temperature sensor; 136: Plate heat exchanger; 138: Electronic expansion valve; 140: Condenser evaporator; 142: Second four-way solenoid valve; 144: Compressor; 146: Charging pile. DETAILED DESCRIPTION

[0027] In the following description, specific details such as specific system structures and technologies are provided for illustration rather than limitation to facilitate a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid obstructing the description of the present application with unnecessary details.

[0028] It will be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of the described features, integers, steps, operations, elements and / or components, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or collections.

[0029] To simplify the drawings, only the parts relevant to the present invention are schematically shown in each figure. They do not represent the actual structure of the product. Furthermore, to simplify the drawings and facilitate understanding, in some figures, only one of the components with the same structure or function is schematically depicted or labeled. As used herein, "one" not only means "only one" but also "more than one."

[0030] It should be further understood that the term "and / or" used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0031] In this disclosure, many specific details are provided to provide a thorough understanding of the specific embodiments of the present invention; however, those skilled in the art should be aware that the present invention can still be practiced without one or more of these specific details; in other cases, well-known details are not shown or described to avoid obscuring the main technical features of the present invention. The technical content and detailed description of the present invention are described as follows with reference to the drawings:

[0032] Please refer to Figure 1, which is a schematic diagram of the water flow direction of a first embodiment of an integrated charging pile heat pump thermal management system 10 of the present invention. The integrated charging pile heat pump thermal management system 10 includes a controller 102, a plurality of pipes 104, a first water pump 106, a heater 108, a heat pump device 110, a battery cold plate 112, a battery 114, a first four-way solenoid valve 116, a three-way solenoid valve 118, a charging pile device 124, a second water pump 126, a degassing kettle 128, a radiator 130, a first temperature sensor 132, and a second temperature sensor 134. The heat pump device 110 includes a plate heat exchanger 136, an electronic expansion valve 138, a condenser evaporator 140, a second four-way solenoid valve 142, and a compressor 144. The charging pile device 124 includes a charging pile 146, a power controller 120, and a charging gun 122. Figure 1 The direction of the arrows represents the direction of water flow in the pipes 104 .

[0033] The controller 102 is electrically connected to the first water pump 106, the heater 108, the first four-way solenoid valve 116, the three-way solenoid valve 118, the power controller 120, the charging gun 122, the second water pump 126, the first temperature sensor 132, the second temperature sensor 134, the electronic expansion valve 138, the second four-way solenoid valve 142, the compressor 144 and the charging pile 146; in order to avoid Figure 1 The displayed content is too complex and obscures the main technical features of the invention. Figure 1 The connections between the controller 102 and the aforementioned components are omitted. The battery 114 is mounted on the battery cold plate 112; the power controller 120, the charging gun 122, and the charging station 146 are mounted on the pipes 104; the first temperature sensor 132 is mounted on the battery 114; and the second temperature sensor 134 is mounted on the charging station device 124 (i.e., on the charging station 146, the power controller 120, and / or the charging gun 122).

[0034] The first water pump 106 , the heater 108 , the plate heat exchanger 136 , the battery cold plate 112 , and the first four-way solenoid valve 116 are connected to one another via the pipes 104 ; the first four-way solenoid valve 116 , the three-way solenoid valve 118 , the second water pump 126 , the degassing kettle 128 , and the radiator 130 are connected to one another via the pipes 104 ; the plate heat exchanger 136 , the electronic expansion valve 138 , the condenser evaporator 140 , the second four-way solenoid valve 142 , and the compressor 144 are connected to one another via the pipes 104 .

[0035] The controller 102 obtains a battery temperature of the battery 114 through the first temperature sensor 132; the controller 102 obtains a charging pile temperature of the charging pile device 124 (i.e., the charging pile 146, the power controller 120 and / or the charging gun 122) through the second temperature sensor 134; based on the battery temperature, the controller 102 enters a temperature control mode to control the first water pump 106, the heater 108, the first four-way solenoid valve 116, the three-way solenoid valve 118, the second water pump 126, the electronic expansion valve 138, the second four-way solenoid valve 142 and the compressor 144.

[0036] Figure 1 The temperature control mode is a battery heat pump cooling and charging pile radiator cooling mode; when the battery temperature is higher than a battery terminal upper limit temperature and the charging pile temperature is higher than a charging pile preset temperature, the controller 102 enters the battery heat pump cooling and charging pile radiator cooling mode, so that the controller 102 drives the first water pump 106, the electronic expansion valve 138, the second four-way solenoid valve 142, the compressor 144, the first four-way solenoid valve 116, the three-way solenoid valve 118 and the second water pump 126 to form a battery circuit, a charging pile circuit and a heat pump circuit, so as to utilize the heat pump device 110 to cool the battery 114 through the battery cold plate 112 and utilize the radiator 130 to cool the charging pile device 124 (that is, the charging pile 146, the power controller 120 and the charging gun 122) through the pipes 104.

[0037] The battery circuit passes through the first water pump 106, the heater 108, the plate heat exchanger 136, the battery cold plate 112, and the first four-way solenoid valve 116 through the pipes 104 and then returns to the first water pump 106. The charging pile circuit passes through the second water pump 126, the radiator 130, the first four-way solenoid valve 116, the three-way solenoid valve 118, and the pipes 104 equipped with the charging pile device 124 (i.e., equipped with the charging pile 146, the power controller 120, or the charging gun 122) and then returns to the second water pump 126. The heat pump circuit passes through the compressor 144, the second four-way solenoid valve 142, the condenser evaporator 140, the electronic expansion valve 138, the plate heat exchanger 136, and the second four-way solenoid valve 142 in sequence through the pipes 104 and then returns to the compressor 144.

[0038] Please refer to Figure 2 , which is a schematic diagram of the water flow direction of the second embodiment of the integrated charging pile heat pump thermal management system 10 of the present invention; Figure 2 The components shown are Figure 1 The components shown are the same and their descriptions are not repeated here for the sake of brevity. Figure 2The temperature control mode is a battery radiator cooling mode; when the battery temperature is lower than a battery terminal upper limit temperature but higher than a battery terminal middle temperature and the controller 102 detects that the charging pile device 124 stops working (that is, the charging pile 146, the power controller 120 and the charging gun 122 all stop working), the controller 102 enters the battery radiator cooling mode, so that the controller 102 drives the first water pump 106, the first four-way solenoid valve 116, the three-way solenoid valve 118 and the second water pump 126 to form a charging pile stop working loop, thereby utilizing the radiator 130 to cool the battery 114 through the battery cold plate 112.

[0039] The charging pile stopping loop passes through the pipes 104 through the first water pump 106, the heater 108, the plate heat exchanger 136, the battery cold plate 112, the first four-way solenoid valve 116, the three-way solenoid valve 118, the pipe 104 without the charging pile device 124 (that is, without the charging pile 146, the power controller 120 or the charging gun 122), the second water pump 126 and the radiator 130 and then returns to the first water pump 106.

[0040] Please refer to Figure 3 , which is a schematic diagram of the water flow direction of the third embodiment of the integrated charging pile heat pump thermal management system 10 of the present invention; Figure 3 The components shown are Figure 1 The components shown are the same and their descriptions are not repeated here for the sake of brevity. Figure 3 The temperature control mode can be a battery charging pile radiator cooling mode, a heat recovery heater heating mode or a filling mode, which are described in detail below:

[0041] The temperature control mode is the battery charging pile radiator cooling mode: when the battery temperature is lower than a battery end upper limit temperature but higher than a battery end middle temperature and the charging pile temperature is higher than a charging pile preset temperature, the controller 102 enters the battery charging pile radiator cooling mode, so that the controller 102 drives the first water pump 106, the first four-way solenoid valve 116, the three-way solenoid valve 118 and the second water pump 126 to form a charging pile working circuit, thereby utilizing the radiator 130 to cool the battery 114 through the battery cold plate 112 and utilizing the radiator 130 to cool the charging pile device 124 through the pipes 104 (that is, cooling the charging pile 146, the power controller 120 and the charging gun 122). The charging pile working loop passes through the pipes 104 through the first water pump 106, the heater 108, the plate heat exchanger 136, the battery cold plate 112, the first four-way solenoid valve 116, the three-way solenoid valve 118, the pipes 104 equipped with the charging pile device 124 (that is, equipped with the charging pile 146, the power controller 120 or the charging gun 122), the second water pump 126 and the radiator 130, and then returns to the first water pump 106.

[0042] The temperature control mode is the heat energy recovery heater heating mode: when the battery temperature is lower than a battery terminal lower limit temperature and the controller 102 detects that the charging pile device 124 is working (that is, at least one of the charging pile 146, the power controller 120 and the charging gun 122 is working), the controller 102 enters the heat energy recovery heater heating mode, so that the controller 102 drives the first water pump 106, the heater 108, the first four-way solenoid valve 116, the three-way solenoid valve 118 and the second water pump 126 to form a charging pile working heat energy recovery loop, thereby utilizing the heat energy generated by the heater 108 and the working charging pile device 124 to heat the battery 114 through the battery cold plate 112. The charging pile working heat energy recovery loop passes through the pipes 104 through the first water pump 106, the heater 108, the plate heat exchanger 136, the battery cold plate 112, the first four-way solenoid valve 116, the three-way solenoid valve 118, the pipes 104 equipped with the charging pile device 124 (that is, equipped with the charging pile 146, the power controller 120 or the charging gun 122), the second water pump 126 and the radiator 130 and then returns to the first water pump 106.

[0043] The temperature control mode is the filling mode: when external water is added into the pipes 104, the present invention can be used. Figure 3 The water is circulated in a certain way.

[0044] Please refer to Figure 4 , which is a schematic diagram of the water flow direction of the fourth embodiment of the integrated charging pile heat pump thermal management system 10 of the present invention; Figure 4 The components shown are Figure 1 The components shown are the same and their descriptions are not repeated here for the sake of brevity. Figure 4 The temperature control mode is a heater heat pump heating mode; when the battery temperature is lower than a battery terminal lower limit temperature and the controller 102 detects that the charging pile device 124 stops working (that is, the charging pile 146, the power controller 120 and the charging gun 122 all stop working), the controller 102 enters the heater heat pump heating mode, so that the controller 102 drives the first water pump 106, the heater 108, the electronic expansion valve 138, the second four-way solenoid valve 142, the compressor 144 and the first four-way solenoid valve 116 to form a heater circuit and a heat pump heating circuit, thereby utilizing the heater 108 and the heat pump device 110 to heat the battery 114 through the battery cold plate 112.

[0045] The heater circuit passes through the first water pump 106, the heater 108, the plate heat exchanger 136, the battery cold plate 112, and the first four-way solenoid valve 116 through the pipes 104 and then returns to the first water pump 106; the heat pump heating circuit passes through the compressor 144, the second four-way solenoid valve 142, the plate heat exchanger 136, the electronic expansion valve 138, the condenser evaporator 140, and the second four-way solenoid valve 142 in sequence through the pipes 104 and then returns to the compressor 144.

[0046] Please refer to Figure 5 , which is a schematic diagram of the water flow direction of the fifth embodiment of the integrated charging pile heat pump thermal management system 10 of the present invention; Figure 5 The components shown are Figure 1 The components shown are the same and their descriptions are not repeated here for the sake of brevity. Figure 5 The temperature control mode is a heat recovery heater heat pump heating mode; when the battery temperature is lower than a battery terminal lower limit temperature and the controller 102 detects that the charging pile device 124 is working (that is, at least one of the charging pile 146, the power controller 120 and the charging gun 122 is working), the controller 102 enters the heat recovery heater heat pump heating mode, so that the controller 102 drives the first water pump 106, the heater 108, the electronic expansion valve 138, the second four-way solenoid valve 142, the compressor 144, the first four-way solenoid valve 116, the three-way solenoid valve 118 and the second water pump 126 to form a heater charging pile circuit and a heat pump heating circuit, thereby utilizing the heat energy generated by the working charging pile device 124, the heater 108 and the heat pump device 110 to heat the battery 114 through the battery cold plate 112.

[0047] The heater charging pile circuit passes through the pipes 104 through the first water pump 106, the heater 108, the plate heat exchanger 136, the battery cold plate 112, the first four-way solenoid valve 116, the three-way solenoid valve 118, the pipes 104 equipped with the charging pile device 124 (that is, equipped with the charging pile 146, the power controller 120 or the charging gun 122), the second water pump 126 and the radiator 130, and then returns to the first water pump 106; the heat pump heating circuit passes through the pipes 104 in sequence through the compressor 144, the second four-way solenoid valve 142, the plate heat exchanger 136, the electronic expansion valve 138, the condenser evaporator 140 and the second four-way solenoid valve 142, and then returns to the compressor 144.

[0048] The present invention is effective in thermally managing the additional batteries of the charging pile device. Furthermore, the aforementioned upper limit temperature of the battery terminal is higher than the aforementioned middle temperature of the battery terminal, and the aforementioned middle temperature of the battery terminal is higher than the aforementioned lower limit temperature of the battery terminal.

[0049] However, the above description is merely a preferred embodiment of the present invention and does not limit the scope of the present invention. In other words, all equivalent changes and modifications made according to the claims of the present invention shall still fall within the scope of the patent coverage of the present invention. The present invention may also have other embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art may make various corresponding changes and modifications based on the present invention. However, such corresponding changes and modifications shall fall within the scope of protection of the claims attached to the present invention.

Claims

1. An integrated charging pile heat pump thermal management system, characterized by: Include: a controller; Multiple pipelines; a first water pump electrically connected to the controller; a heat pump device electrically connected to the controller; a battery cold plate; a battery, disposed at the battery cold plate; a first four-way solenoid valve electrically connected to the controller; a three-way solenoid valve electrically connected to the controller; a charging pile device electrically connected to the controller and disposed at the pipes; a second water pump electrically connected to the controller; a radiator; a plate heat exchanger; and a first temperature sensor electrically connected to the controller and disposed at the battery, The first water pump, the heat pump device, the battery cold plate, and the first four-way solenoid valve are interconnected via the pipes; the first four-way solenoid valve, the three-way solenoid valve, the second water pump, and the radiator are interconnected via the pipes; the first four-way solenoid valve is connected to the battery cold plate, the first water pump, the three-way solenoid valve, and the radiator, respectively; the controller obtains a battery temperature of the battery via the first temperature sensor; and based on the battery temperature, the controller enters a temperature control mode to control the first water pump, the heat pump device, the first four-way solenoid valve, the three-way solenoid valve, and the second water pump; The temperature control mode is a battery radiator cooling mode. When the battery temperature is lower than a battery terminal upper limit temperature but higher than a battery terminal intermediate temperature and the controller detects that the charging pile device has stopped working, the controller enters the battery radiator cooling mode, causing the controller to drive the first water pump, the first four-way solenoid valve, the three-way solenoid valve, and the second water pump to form a charging pile stop circuit, thereby utilizing the radiator to cool the battery through the battery cold plate. Among them, the charging pile stops working, and the circuit passes through the first water pump, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes without the charging pile device, the second water pump and the radiator and then returns to the first water pump.

2. The integrated charging pile heat pump thermal management system according to claim 1, wherein: The heat pump device comprises: an electronic expansion valve electrically connected to the controller; a condenser evaporator; a second four-way solenoid valve electrically connected to the controller; and a compressor electrically connected to the controller, The plate heat exchanger, the electronic expansion valve, the condenser evaporator, the second four-way solenoid valve and the compressor are connected to each other through the pipes; the first water pump, the plate heat exchanger, the battery cold plate and the first four-way solenoid valve are connected to each other through the pipes.

3. The integrated charging pile heat pump thermal management system according to claim 2, characterized in that: Also includes: a second temperature sensor electrically connected to the controller and disposed at the charging pile device; The controller obtains a charging pile temperature of the charging pile device through the second temperature sensor; The temperature control mode is a battery heat pump cooling and charging pile radiator cooling mode; when the battery temperature is higher than a battery terminal upper limit temperature and the charging pile temperature is higher than a charging pile preset temperature, the controller enters the battery heat pump cooling and charging pile radiator cooling mode, so that the controller drives the first water pump, the electronic expansion valve, the second four-way solenoid valve, the compressor, the first four-way solenoid valve, the three-way solenoid valve and the second water pump to form a battery circuit, a charging pile circuit and a heat pump circuit, thereby utilizing the heat pump device to cool the battery through the battery cold plate and utilizing the radiator to cool the charging pile device through the pipes; Among them, the battery circuit passes through the first water pump, the plate heat exchanger, the battery cold plate and the first four-way solenoid valve through the pipes and then returns to the first water pump; the charging pile circuit passes through the second water pump, the radiator, the first four-way solenoid valve, the three-way solenoid valve and the pipes equipped with the charging pile device through the pipes and then returns to the second water pump; the heat pump circuit passes through the compressor, the second four-way solenoid valve, the condenser evaporator, the electronic expansion valve, the plate heat exchanger and the second four-way solenoid valve in sequence through the pipes and then returns to the compressor.

4. The integrated charging pile heat pump thermal management system according to claim 2, characterized in that: Also includes: a second temperature sensor electrically connected to the controller and disposed at the charging pile device; The controller obtains a charging pile temperature of the charging pile device through the second temperature sensor; The temperature control mode is a battery charging pile radiator cooling mode; when the battery temperature is lower than a battery terminal upper limit temperature but higher than a battery terminal intermediate temperature and the charging pile temperature is higher than a charging pile preset temperature, the controller enters the battery charging pile radiator cooling mode, causing the controller to drive the first water pump, the first four-way solenoid valve, the three-way solenoid valve, and the second water pump to form a charging pile working circuit, thereby utilizing the radiator to cool the battery through the battery cold plate and utilizing the radiator to cool the charging pile device through the pipes; The charging pile working circuit passes through the pipes through the first water pump, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes provided with the charging pile device, the second water pump and the radiator and then returns to the first water pump.

5. The integrated charging pile heat pump thermal management system according to claim 2, characterized in that: Also includes: a heater electrically connected to the controller, The first water pump, the heater, the plate heat exchanger, the battery cold plate, and the first four-way solenoid valve are connected to each other through the pipes.

6. The integrated charging pile heat pump thermal management system according to claim 5, characterized in that: in, The temperature control mode is a heat recovery heater heating mode; when the battery temperature is lower than a battery terminal lower limit temperature and the controller detects that the charging pile device is operating, the controller enters the heat recovery heater heating mode, causing the controller to drive the first water pump, the heater, the first four-way solenoid valve, the three-way solenoid valve, and the second water pump to form a charging pile operating heat recovery loop, thereby utilizing heat energy generated by the heater and the operating charging pile device to heat the battery through the battery cold plate; The heat energy recovery loop of the charging pile passes through the pipes, the first water pump, the heater, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes provided with the charging pile device, the second water pump and the radiator, and then returns to the first water pump.

7. The integrated charging pile heat pump thermal management system according to claim 5, characterized in that: in, The temperature control mode is a heater heat pump heating mode; when the battery temperature is lower than a battery terminal lower limit temperature and the controller detects that the charging pile device has stopped working, the controller enters the heater heat pump heating mode, causing the controller to drive the first water pump, the heater, the electronic expansion valve, the second four-way solenoid valve, the compressor, and the first four-way solenoid valve to form a heater circuit and a heat pump heating circuit, thereby utilizing the heater and the heat pump device to heat the battery through the battery cold plate; The heater circuit passes through the first water pump, the heater, the plate heat exchanger, the battery cold plate, and the first four-way solenoid valve through the pipes and then returns to the first water pump; the heat pump heating circuit passes through the compressor, the second four-way solenoid valve, the plate heat exchanger, the electronic expansion valve, the condenser evaporator, and the second four-way solenoid valve in sequence through the pipes and then returns to the compressor.

8. The integrated charging pile heat pump thermal management system according to claim 5, characterized in that: in, The temperature control mode is a heat recovery heater heat pump heating mode; when the battery temperature is lower than a battery terminal lower limit temperature and the controller detects that the charging pile device is operating, the controller enters the heat recovery heater heat pump heating mode, causing the controller to drive the first water pump, the heater, the electronic expansion valve, the second four-way solenoid valve, the compressor, the first four-way solenoid valve, the three-way solenoid valve, and the second water pump to form a heater charging pile circuit and a heat pump heating circuit, thereby utilizing heat energy generated by the operating charging pile device, the heater, and the heat pump device to heat the battery through the battery cold plate; Among them, the heater charging pile circuit passes through the first water pump, the heater, the plate heat exchanger, the battery cold plate, the first four-way solenoid valve, the three-way solenoid valve, the pipes equipped with the charging pile device, the second water pump and the radiator and then returns to the first water pump through the pipes; the heat pump heating circuit passes through the compressor, the second four-way solenoid valve, the plate heat exchanger, the electronic expansion valve, the condenser evaporator and the second four-way solenoid valve in sequence through the pipes and then returns to the compressor.

9. The integrated charging pile heat pump thermal management system according to claim 1, characterized in that: Also includes: A degassing kettle, The first four-way solenoid valve, the three-way solenoid valve, the second water pump, the degassing kettle and the radiator are connected to each other through the pipes; The charging pile device includes: a charging station electrically connected to the controller and disposed at the pipes; a power controller electrically connected to the controller and disposed at the pipes; and A charging gun is electrically connected to the controller and is disposed at the pipes.

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