A cooling liquid filling method and device, electronic equipment and storage medium

Abstract

The application relates to a cooling liquid filling method and device, electronic equipment and a storage medium, and relates to the technical field of commercial vehicle battery replacement vehicle control. The method comprises the following steps: acquiring a first temperature of a target battery pack connected with a cooling liquid inlet; acquiring a second temperature of the target battery pack connected with a cooling liquid outlet; acquiring a cooling power of a cooling unit based on the first temperature and the second temperature; and adjusting a cooling state of the cooling liquid based on the cooling power. In the application, the cooling power of the cooling unit on the cooling liquid is adjusted according to the temperature difference of the target battery pack at the cooling liquid inlet and the cooling liquid outlet. By separately filling the cooling liquid of the battery replacement cabinet and the vehicle part, the filling time of the cooling liquid is greatly shortened, and the filling efficiency of the cooling liquid is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of commercial vehicle battery replacement, and particularly relates to a cooling liquid filling method and device, electronic equipment and a storage medium. BACKGROUND

[0002] In the prior art, according to the installation position of the cooling unit, there are mainly two kinds of commercial vehicle battery replacement systems: the first kind of battery replacement system with an internal cooling unit, in which the cooling unit is integrated in the battery replacement cabinet, and there is no exchange of cooling liquid between the battery replacement cabinet and the battery replacement bottom support; the second kind of battery replacement system with an external cooling unit, in which the cooling unit is installed on the vehicle frame, and the cooling unit is connected to the battery replacement bottom support through a pipeline, and the battery replacement bottom support is connected to the battery replacement cabinet through a quick replacement interface. Since the battery replacement cabinet and the battery replacement bottom support are assembled together, the process of supplementing the cooling liquid consumes a large amount of time, resulting in low production efficiency.

[0003] In addition, for the battery replacement system with an external cooling unit, if the cooling liquid brands of the battery replacement cabinets and the battery replacement bottom supports of different manufacturers are different, after the battery replacement operation is performed, a large amount of cooling liquid of different brands in the battery replacement cabinet and the cooling unit is mixed, which easily leads to rapid deterioration of the cooling liquid and also results in low production efficiency.

[0004] Therefore, how to improve the filling efficiency of the cooling liquid is a technical problem to be solved at present. SUMMARY

[0005] The present application provides a cooling liquid filling method, device, electronic equipment and storage medium to improve the filling efficiency of the cooling liquid.

[0006] To achieve the above-mentioned purpose, the present application provides the following solutions.

[0007] In a first aspect, the present application provides a cooling liquid filling method, which comprises the following steps:

[0008] obtaining a first temperature at which a target battery pack is connected to a cooling liquid inlet;

[0009] obtaining a second temperature at which the target battery pack is connected to a cooling liquid outlet;

[0010] obtaining a cooling power of a cooling unit based on the first temperature and the second temperature;

[0011] controlling the cooling unit to cool the cooling liquid based on the cooling power.

[0012] Further, the step of obtaining the cooling power of the cooling unit based on the first temperature and the second temperature comprises the following steps:

[0013] obtaining a temperature difference between the first temperature and the second temperature based on the first temperature and the second temperature;

[0014] obtaining a cooling power output by the cooling unit based on the temperature difference.

[0015] Further, before the step of obtaining the cooling power output by the cooling unit based on the temperature difference, the method further comprises:

[0016] setting a first temperature of the target battery pack connected to the cooling liquid input;

[0017] obtaining a temperature difference between a second temperature of the target battery pack connected to the cooling liquid output and the first temperature, and calibrating a temperature difference-cooling power corresponding relationship corresponding to the first temperature.

[0018] Further, the cooling unit comprises a cooling component; and the step of adjusting the cooling state of the cooling unit based on the cooling power comprises:

[0019] controlling the cooling component to operate at the cooling power as a working power.

[0020] Further, the cooling unit is connected to the battery replacement base cooling pipeline through the cooling component, and the method further comprises:

[0021] controlling the cooling component to cool the cooling liquid stored in the battery replacement base cooling pipeline.

[0022] Further, the method further comprises: cooling the cooling liquid stored in the battery replacement cabinet cooling pipeline through the heat exchange component.

[0023] Further, the heat exchange component comprises a circulating pump unit, and before the step of cooling the cooling liquid stored in the battery replacement cabinet cooling pipeline through the heat exchange component, the method further comprises:

[0024] filling the cooling liquid into the battery replacement cabinet cooling pipeline through a filling port on the battery replacement cabinet cooling pipeline;

[0025] when receiving a battery replacement cabinet installation instruction, sending an opening instruction to the circulating pump to accelerate the flow of the cooling liquid in the battery replacement cabinet cooling pipeline.

[0026] In a second aspect, the present application provides a cooling liquid filling device, which comprises:

[0027] a first temperature obtaining module configured to obtain a first temperature of a target battery pack connected to a cooling liquid input;

[0028] a second temperature obtaining module configured to obtain a second temperature of the target battery pack connected to a cooling liquid output;

[0029] a power obtaining module, configured to obtain a cooling power of a cooling unit based on the first temperature and the second temperature;

[0030] an adjusting module, configured to adjust a cooling state of the cooling unit to the cooling liquid based on the cooling power.

[0031] Further, the power obtaining module comprises:

[0032] a temperature difference obtaining sub-module, configured to obtain a temperature difference between the first temperature and the second temperature based on the first temperature and the second temperature;

[0033] a power output sub-module, configured to obtain a cooling power output by the cooling unit based on the temperature difference.

[0034] Further, the power obtaining sub-module further comprises:

[0035] a temperature setting unit, configured to set a first temperature of a target battery pack connected to an input of the cooling liquid;

[0036] a corresponding relationship calibrating unit, configured to obtain a temperature difference between a second temperature of the target battery pack connected to an output of the cooling liquid and the first temperature, and calibrate a temperature difference-cooling power corresponding relationship corresponding to the first temperature.

[0037] Further, the adjusting module is further configured to control the cooling component to operate at the cooling power as a working power.

[0038] Further, the device is further configured to control the cooling component to cool the cooling liquid stored in the battery replacement bottom support cooling pipeline.

[0039] Further, the device is further configured to cool the cooling liquid stored in the battery replacement cabinet cooling pipeline through the heat exchange component.

[0040] Further, the device is further configured to fill the cooling liquid into the battery replacement cabinet cooling pipeline through a filling opening arranged on the battery replacement cabinet cooling pipeline; and control a circulating pump to accelerate the flow of the cooling liquid in the battery replacement cabinet cooling pipeline when receiving a circulating pump starting instruction.

[0041] The technical scheme provided in the application has the beneficial effects of:

[0042] The application obtains a first temperature of a target battery pack connected to a cooling liquid inlet; obtains a second temperature of the target battery pack connected to a cooling liquid outlet; obtains a cooling power of a cooling unit based on the first temperature and the second temperature; and adjusts a cooling state of the cooling unit to the cooling liquid based on the cooling power.

[0043] The application adjusts the cooling power of the cooling unit on the cooling liquid according to the temperature difference of the target battery pack at the cooling liquid inlet and the cooling liquid outlet, that is, compared with the need for manual continuous addition of cooling liquid to the cooling liquid unit, that is, the separate filling of the cooling liquid of the battery replacement cabinet and the vehicle part, the filling time of the cooling liquid is greatly shortened, and the filling efficiency of the cooling liquid is improved. BRIEF DESCRIPTION OF DRAWINGS

[0044] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0045] Figure 1 The step flow chart of the cooling liquid filling method provided in an embodiment of the application;

[0046] Figure 2 The structure diagram of the cooling unit control unit provided in an embodiment of the application;

[0047] Figure 3 The connection unit diagram of the heat exchange device provided in an embodiment of the application;

[0048] Figure 4 The heat exchange structure diagram of the battery replacement system provided in an embodiment of the application. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solutions and advantages of the embodiments of the application more clear, the technical solutions in the embodiments of the application will be described clearly and completely in combination with the drawings in the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the application.

[0050] The embodiments of the application will be further described in detail below in combination with the drawings.

[0051] The embodiments of the application provide a cooling liquid filling method and device to improve the filling efficiency of the cooling liquid.

[0052] To achieve the above technical effects, the general idea of the application is as follows:

[0053] Referring to Figure 1 As shown in the figure, the cooling liquid filling method comprises the following steps:

[0054] S1, obtaining a first temperature of the target battery pack connected with the cooling liquid inlet;

[0055] Since the engine and the battery pack of the vehicle generate high temperature during the operation of the electric vehicle, in order to prevent the high temperature from causing some automobile parts to expand due to heat and affect the normal part clearance, the cooling liquid pipeline provided with the cooling liquid is needed to take away the high temperature generated by the engine and the battery pack of the vehicle.

[0056] In the embodiment, the battery pack of the vehicle is taken as an example, a first temperature sensor is installed at the contact position between the cooling liquid inlet of the cooling pipeline and the target battery pack, and the first temperature of the target battery pack connected with the cooling liquid inlet is obtained through the first temperature sensor.

[0057] S2, obtaining a second temperature of the target battery pack connected with the cooling liquid outlet;

[0058] In the embodiment, the battery pack of the vehicle is taken as an example, a first temperature sensor is installed at the contact position between the cooling liquid inlet of the cooling pipeline and the target battery pack, and the first temperature of the target battery pack connected with the cooling liquid inlet is obtained through the first temperature sensor.

[0059] S3, obtaining a cooling power of the cooling unit based on the first temperature and the second temperature;

[0060] Specifically, the cooling unit controller obtains the temperature difference between the first temperature and the second temperature based on the first temperature and the second temperature, and obtains the cooling power output by the cooling unit based on the temperature difference between the first temperature and the second temperature and the pre-labeled temperature difference-cooling power corresponding relationship.

[0061] S4, controlling the cooling unit to cool the cooling liquid based on the cooling power.

[0062] Specifically, the cooling unit controller controls the cooling components in the cooling unit to operate at the cooling power according to the cooling power.

[0063] In the present application, the cooling power of the cooling unit for the cooling liquid is adjusted according to the temperature difference of the target battery pack at the cooling liquid inlet and the cooling liquid outlet, that is, the cooling liquid is cooled by the cooling unit, which increases the replacement efficiency of the cooling liquid compared with manual replacement of the cooling liquid.

[0064] In an embodiment, the device structure of the cooling unit is as shown in Figure 2 The step S3 includes:

[0065] S301, obtaining the temperature difference between the first temperature and the second temperature based on the first temperature and the second temperature;

[0066] The cooling unit control unit comprises at least one power supply interface, one battery inlet temperature interface, one battery outlet temperature interface and one cooling unit cooling power control interface. The cooling unit control unit obtains the temperature difference between the battery inlet temperature and the battery outlet temperature according to the collected two temperatures.

[0067] S302, based on the temperature difference, obtaining the cooling power output by the cooling unit.

[0068] The cooling unit controller first defines that the target battery heat generation is equal to the cooling power of the cooling unit in the initial state, the system is stable, the battery inlet temperature is stable at t1, the battery outlet temperature is stable at t2, and the cooling power of the cooling unit is P1=f(t1,t2).

[0069] The next sampling time point is defined, the battery heat generation changes, the battery outlet temperature changes to t3, and the cooling power of the cooling unit should be adjusted at this time: P2=f(t1,t3).

[0070] For the same type of battery replacement system, a one-to-one correspondence between the cooling power and the different temperatures of the inlet and outlet is established through bench calibration, the corresponding relationship is written into the cooling unit controller, and the cooling power corresponding to the temperature difference is obtained in the one-to-one correspondence between the cooling power and the different temperatures of the inlet and outlet according to the obtained temperature difference.

[0071] The method for establishing the one-to-one correspondence between the cooling power and the different temperatures of the inlet and outlet of the cooling liquid through bench calibration comprises:

[0072] The first temperature of the target battery group connected with the cooling liquid input is set, the temperature difference between the second temperature of the target battery group connected with the cooling liquid output and the first temperature is obtained, and the temperature difference-cooling power corresponding relationship corresponding to the first temperature is calibrated.

[0073] The cooling unit controller calibrates the corresponding relationship between the cooling power and the temperature difference under different inlet temperatures, stores the corresponding relationship between the cooling power corresponding to different inlet temperatures and the temperature difference in the database, and first obtains the initial temperature of the cooling liquid inlet connected with the target battery group. According to the initial temperature, the corresponding relationship between the cooling power and the temperature difference is matched, and then the corresponding cooling power is found in the corresponding relationship according to the temperature difference.

[0074] In the present application, the cooling power of the cooling unit on the cooling liquid is adjusted according to the temperature difference of the cooling liquid at the inlet and outlet of the target battery pack, that is, the cooling liquid is cooled by the cooling unit, which increases the replacement efficiency of the cooling liquid compared with manual replacement. In the prior art, due to the complex structure of the connecting pipeline between the cooling liquid in the battery replacement cabinet and the cooling liquid in the battery replacement bottom support, a large amount of time is wasted when the cooling liquid in the battery replacement cabinet flows into the device for storing the cooling liquid in the battery replacement bottom support. In the present application, the cooling liquid in the battery replacement cabinet and the cooling liquid in the battery replacement bottom support are physically isolated, which saves the filling time of the cooling liquid and improves the filling efficiency of the cooling liquid.

[0075] In an embodiment, the cooling unit is connected with the cooling component, and the cooling unit controller controls the cooling component connected with the cooling unit to cool the cooling liquid in the cooling pipeline in the battery replacement bottom support based on the obtained power.

[0076] In an embodiment, as shown in Figure 3 Before the cooling liquid stored in the battery replacement cabinet cooling pipeline is cooled by the heat exchange component, the following steps are included:

[0077] The battery replacement cabinet cooling pipeline is filled with cooling liquid through the filling port on the battery replacement cabinet cooling pipeline;

[0078] The cooling liquid stored in the battery replacement cabinet cooling pipeline is cooled by the heat exchange component, including the following steps:

[0079] When the battery replacement cabinet landing instruction is received, the start instruction is sent to the circulating pump to accelerate the flow of the cooling liquid in the battery replacement cabinet cooling pipeline.

[0080] Before the battery replacement cabinet is seated on the battery replacement bottom support, the battery replacement cabinet already carries the self-contained cooling liquid. When the battery replacement cabinet is seated on the battery replacement bottom support, the battery replacement bottom support sends a seating instruction to the cooling unit. After receiving the seating instruction, the cooling unit sends a start instruction to the circulating pump.

[0081] In the present embodiment, the cooling liquid between the battery replacement cabinet and the battery replacement bottom support is separately filled, and only a small part of the cooling liquid flows into the heat exchange device after the battery replacement cabinet is landed. The cooling liquid can be replenished in a very short time, greatly shortening the filling time of the cooling liquid. The cooling liquid in the cooling unit and the cooling liquid in the battery replacement cabinet are isolated, which avoids mixing of a large amount of cooling liquid of different brands in the battery replacement cabinet and the cooling unit of different manufacturers, greatly prolonging the service life of the cooling liquid.

[0082] In an application embodiment, as shown in Figure 4 A heat exchange device for filling cooling liquid is provided.

[0083] The connection scheme of the heat exchange device is as shown in Figure 4As shown, the heat exchange device at least includes one circulating pump and one heat exchange component, the circulating pump is connected to the cooling pipeline of the battery replacement cabinet; wherein the circulating pump at least includes one power supply interface, constant flow. The circulating pump forces the cooling liquid in the cooling pipeline of the battery replacement cabinet to circulate, and uses the heat conduction function of the heat exchange component to take away the excess heat in the cooling pipeline of the battery replacement cabinet, so as to achieve the purpose of heat dissipation.

[0084] The heat exchange device at least includes four interfaces, two of which are connected with the water inlet and water outlet of the battery replacement cabinet, and the remaining two are connected with the water inlet and water outlet of the battery replacement base.

[0085] Among them, based on the heat exchange device, a cooling method for the cooling liquid is proposed:

[0086] A1, when the cooling unit controller obtains the first temperature of the target battery pack connected with the cooling liquid inlet, and the second temperature of the target battery pack connected with the cooling liquid outlet;

[0087] A2, based on the first temperature and the second temperature, the temperature difference between the first temperature and the second temperature is obtained. For the same type of battery replacement system, the battery replacement system includes a battery replacement cabinet and a battery replacement base, and the battery replacement cabinet can be installed on the battery replacement base.

[0088] A3, through bench calibration, a method for establishing a one-to-one correspondence between cooling power and different temperatures of cooling liquid inlet and outlet includes:

[0089] First, set the first temperature of the target battery pack connected with the cooling liquid input; obtain the temperature difference between the second temperature of the target battery pack connected with the cooling liquid output and the first temperature, and calibrate the temperature difference-cooling power corresponding relationship corresponding to the first temperature.

[0090] Then, the corresponding relationship between cooling power and temperature difference under different inlet temperatures is calibrated, and the corresponding relationship between cooling power and temperature difference corresponding to different inlet temperatures is stored in the database. The cooling unit controller first obtains the initial temperature of the cooling liquid inlet and the target battery pack, and matches the corresponding cooling power and temperature difference according to the initial temperature, and then finds the corresponding cooling power in the corresponding relationship according to the temperature difference;

[0091] A4, the cooling unit controls the cooling component located in the battery replacement base and connected with the cooling unit according to the corresponding cooling power to cool, so that the cooling liquid in the cooling pipeline in the battery replacement base is cooled;

[0092] A5, through the heat exchange component in the heat exchange device, heat exchange is carried out, and after the cooling liquid in the cooling pipeline in the battery replacement base is cooled, the heat exchange can cool the cooling liquid in the cooling pipeline in the battery replacement cabinet;

[0093] A6, the battery swap cabinet has cooling liquid on it before it is seated on the battery swap base. When the battery swap cabinet is seated on the battery swap base, the battery swap base sends a seating instruction to the cooling unit, and the cooling unit sends an opening instruction to the circulating pump after receiving the seating instruction.

[0094] A7, after receiving the opening instruction, the circulating pump starts to push the cooling liquid in the cooling pipeline in the battery swap cabinet to accelerate the flow, thereby accelerating the heat exchange rate of the cooling liquid in the battery swap cabinet and the battery swap base.

[0095] In this application, the cooling power of the cooling unit on the cooling liquid is adjusted according to the temperature difference of the target battery pack at the cooling liquid inlet and the cooling liquid outlet, that is, compared with the need for manual addition of cooling liquid to the cooling liquid unit, the cooling device in this scheme cools the cooling liquid, thereby achieving the effect of recycling the cooling liquid, reducing the use of cooling liquid, and improving the replacement efficiency of the cooling liquid.

[0096] In the method of this embodiment, the cooling liquid between the battery swap cabinet and the battery swap base is separately filled, and only a small part of the cooling liquid flows into the heat exchange device after the battery swap cabinet is seated, so the cooling liquid can be supplemented in a very short time, greatly shortening the filling time of the cooling liquid; the cooling liquid of the cooling unit and the cooling liquid of the battery swap cabinet are isolated, avoiding the mixing of a large amount of different brands of cooling liquid in the cooling unit and the battery swap cabinet of different manufacturers, greatly prolonging the service life of the cooling liquid.

[0097] Based on the same inventive concept as the cooling liquid filling method embodiment, the embodiment of the application provides a cooling liquid filling device, which comprises:

[0098] A first temperature acquisition module for acquiring a first temperature of a target battery pack connected to a cooling liquid input;

[0099] A second temperature acquisition module for acquiring a second temperature of the target battery pack connected to a cooling liquid output;

[0100] A power acquisition module for acquiring a cooling power of a cooling unit based on the first temperature and the second temperature;

[0101] An adjustment module for adjusting the cooling state of the cooling liquid of the cooling unit based on the cooling power.

[0102] Since the engine and the battery pack of the vehicle generate a very high temperature during the operation of the electric vehicle, in order to prevent the high temperature from causing some automobile parts to be affected by thermal expansion and affect the normal clearance between parts, a cooling liquid pipeline filled with cooling liquid is needed to take away the high temperature generated by the engine and the battery pack of the vehicle.

[0103] In the embodiment, the first temperature sensor is installed at the contact position between the cooling liquid input port of the cooling pipeline and the target battery pack, and the first temperature of the target battery pack connected with the cooling liquid inlet is obtained by the first temperature sensor.

[0104] The first temperature sensor is installed at the contact position between the cooling liquid input port of the cooling pipeline and the target battery pack, and the first temperature of the target battery pack connected with the cooling liquid inlet is obtained by the first temperature sensor.

[0105] Specifically, the temperature difference between the first temperature and the second temperature is obtained based on the first temperature and the second temperature; and the cooling power output by the cooling unit is obtained based on the temperature difference between the first temperature and the second temperature and the pre-labeled temperature difference-cooling power correspondence.

[0106] Specifically, the cooling unit controller controls the cooling components in the cooling unit to operate at the cooling power according to the cooling power.

[0107] In the present application, the cooling power of the cooling unit on the cooling liquid is adjusted according to the temperature difference of the target battery pack at the cooling liquid inlet and the cooling liquid outlet, that is, the cooling liquid is cooled by the cooling unit, which increases the replacement efficiency of the cooling liquid compared with manual replacement of the cooling liquid.

[0108] Further, the power obtaining module comprises:

[0109] a temperature difference obtaining submodule for obtaining the temperature difference between the first temperature and the second temperature based on the first temperature and the second temperature;

[0110] The cooling unit control unit comprises at least one power supply interface, one battery inlet temperature interface, one battery outlet temperature interface and one cooling unit cooling power control interface. The cooling unit control unit obtains the temperature difference between the battery inlet temperature and the battery outlet temperature according to the collected two temperatures.

[0111] a power output submodule for obtaining the cooling power output by the cooling unit based on the temperature difference.

[0112] First, it is defined that the heat generation of the target battery is equal to the cooling power of the cooling unit in the initial state, the system is stable, the battery inlet temperature is stable at t1, the battery outlet temperature is stable at t2, and the cooling power of the cooling unit is P1=f(t1,t2).

[0113] It is defined that the battery heat generation changes at the next sampling time point, the battery outlet temperature changes to t3, and the cooling power of the cooling unit should be adjusted to P2=f(t1,t3) at this time.

[0114] For the same type of battery swap system, a bench calibration is performed to establish a one-to-one correspondence between the cooling power and the temperature difference between the inlet and outlet, the correspondence is written into the cooling unit controller, and the cooling power corresponding to the temperature difference is obtained by searching in the one-to-one correspondence between the cooling power and the temperature difference between the inlet and outlet according to the obtained temperature difference.

[0115] In the present application, the cooling power of the cooling unit for the cooling liquid is adjusted according to the temperature difference of the target battery pack at the cooling liquid inlet and outlet, that is, compared with the need for manual continuous addition of cooling liquid to the cooling liquid unit, the cooling device in the present application cools the cooling liquid, thereby achieving the effect of recycling the cooling liquid, reducing the use of cooling liquid, and improving the replacement efficiency of the cooling liquid.

[0116] Further, the power acquisition submodule further comprises:

[0117] A temperature setting unit is configured to set a first temperature of the target battery pack connected to the cooling liquid input;

[0118] The method of establishing a one-to-one correspondence between the cooling power and the temperature difference between the inlet and outlet of the cooling liquid through bench calibration comprises:

[0119] The first temperature of the target battery pack connected to the cooling liquid input is set; the temperature difference between the second temperature of the target battery pack connected to the cooling liquid output and the first temperature is obtained, and the temperature difference-cooling power corresponding relationship corresponding to the first temperature is calibrated.

[0120] The corresponding relationship calibration unit is configured to obtain the temperature difference between the second temperature of the target battery pack connected to the cooling liquid output and the first temperature, and calibrate the temperature difference-cooling power corresponding relationship corresponding to the first temperature.

[0121] The corresponding relationship between the cooling power and the temperature difference under different inlet temperatures is calibrated respectively, and the corresponding relationship between the cooling power and the temperature difference corresponding to different inlet temperatures is stored in the database. The cooling unit controller first obtains the initial temperature of the cooling liquid inlet connected to the target battery pack, matches the corresponding cooling power and temperature difference according to the initial temperature, and then finds the corresponding cooling power in the corresponding relationship according to the temperature difference.

[0122] In the present application, the cooling power of the cooling unit for the cooling liquid is adjusted according to the temperature difference of the target battery pack at the cooling liquid inlet and outlet, that is, compared with the need for manual continuous addition of cooling liquid to the cooling liquid unit, the cooling device in the present application cools the cooling liquid, thereby achieving the effect of recycling the cooling liquid, reducing the use of cooling liquid, and improving the replacement efficiency of the cooling liquid.

[0123] Further, the adjusting module is further configured to control the cooling component to operate at the cooling power as the working power.

[0124] The cooling unit is connected with the cooling component, and the cooling unit controller controls the cooling component connected with the cooling unit to cool the cooling liquid in the cooling pipeline in the battery swap base.

[0125] Further, the device is further configured to control the cooling component to cool the cooling liquid stored in the cooling pipeline of the battery swap base.

[0126] Further, the device is further configured to cool the cooling liquid stored in the cooling pipeline of the battery swap cabinet through the heat exchange component.

[0127] Further, the device is further configured to fill the cooling liquid into the cooling pipeline of the battery swap cabinet through the filling port on the cooling pipeline of the battery swap cabinet; and send an opening instruction to the circulating pump to accelerate the flow of the cooling liquid in the cooling pipeline of the battery swap cabinet when receiving a battery swap cabinet landing instruction.

[0128] The heat exchange component comprises a circulating pump unit, and before the cooling liquid stored in the cooling pipeline of the battery swap cabinet is cooled through the heat exchange component, the following steps are included:

[0129] The cooling liquid is filled into the cooling pipeline of the battery swap cabinet through the filling port on the cooling pipeline of the battery swap cabinet;

[0130] The opening instruction is sent to the circulating pump to accelerate the flow of the cooling liquid in the cooling pipeline of the battery swap cabinet when receiving a battery swap cabinet landing instruction.

[0131] First, the cooling liquid is filled into the battery swap base filling port to fill the pipeline with the cooling liquid; when the battery swap cabinet is landed on the battery swap base; the circulating pump is started, the cooling liquid is circulated, and the cooling liquid is supplemented through the expansion tank above the battery swap cabinet.

[0132] In this embodiment, the cooling liquid between the battery swap cabinet and the battery swap base is filled separately, and only a small part of the cooling liquid flows into the heat exchange device after the battery swap cabinet is landed, so that the supplement of the cooling liquid can be completed in a very short time, greatly shortening the filling time of the cooling liquid; the cooling liquid of the cooling unit and the cooling liquid of the battery swap cabinet are isolated, avoiding the mixing of a large amount of different brands of cooling liquid in the battery swap cabinet and the cooling unit of different manufacturers, and greatly prolonging the service life of the cooling liquid.

[0133] It should be noted that the cooling liquid filling device provided in the embodiments of the present application has similar principles, technical means and technical effects corresponding to the technical problems and technical effects of the cooling liquid filling method.

[0134] In a second aspect, the embodiments of the present application provide a storage medium, and the storage medium stores a computer program, and the computer program is executed by a processor to implement the coolant filling method in the first aspect.

[0135] In a third aspect, the embodiments of the present application provide an electronic device, and the electronic device comprises a memory and a processor, and the memory stores a computer program running on the processor, and the processor executes the computer program to implement the coolant filling method in the first aspect.

[0136] It should be noted that, in the present application, the relationship terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or sequence between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0137] The above is only the specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications of these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A method of filling a coolant, characterized by, The method comprises the following steps: acquiring a first temperature of a target battery pack connected to a cooling liquid inlet; acquiring a second temperature of the target battery pack connected to a cooling liquid outlet; acquiring a cooling power of a cooling unit based on the first temperature and the second temperature; controlling the cooling unit to cool the cooling liquid based on the cooling power; the acquiring of the cooling power of the cooling unit based on the first temperature and the second temperature comprises the following steps: acquiring a temperature difference between the first temperature and the second temperature based on the first temperature and the second temperature; acquiring a cooling power output by the cooling unit based on the temperature difference; the acquiring of the cooling power output by the cooling unit based on the temperature difference comprises the following steps: setting a first temperature of a target battery pack connected to a cooling liquid inlet; acquiring a temperature difference between the first temperature and a second temperature of the target battery pack connected to a cooling liquid outlet, and marking a temperature difference-cooling power corresponding relationship corresponding to the first temperature; the cooling unit is connected to a battery replacement base cooling pipeline through a cooling component, and the method further comprises: controlling the cooling component to cool the cooling liquid stored in the battery replacement base cooling pipeline; the method further comprises: cooling the cooling liquid stored in the battery replacement cabinet cooling pipeline through a heat exchange component; the cooling liquid between the battery replacement cabinet and the battery replacement base is separately filled.

2. The method of claim 1, wherein, The cooling unit comprises a cooling component, and the adjusting of the cooling state of the cooling unit based on the cooling power comprises the following steps: controlling the cooling component to operate at the cooling power as the working power.

3. The method of claim 1, wherein, The heat exchange component comprises a circulating pump, and before the cooling of the cooling liquid stored in the battery replacement cabinet cooling pipeline through the heat exchange component, the following steps are included: filling the cooling liquid into the battery replacement cabinet cooling pipeline through a filling port on the battery replacement cabinet cooling pipeline; the cooling of the cooling liquid stored in the battery replacement cabinet cooling pipeline through the heat exchange component comprises the following steps: when receiving a battery replacement cabinet installation instruction, sending an opening instruction to the circulating pump to accelerate the flow of the cooling liquid in the battery replacement cabinet cooling pipeline.

4. A coolant filling device employing the coolant filling method according to any one of claims 1 to 3, characterized by The device comprises: a first temperature acquisition module for acquiring a first temperature of a target battery pack connected to a cooling liquid inlet; a second temperature acquisition module for acquiring a second temperature of the target battery pack connected to a cooling liquid outlet; a power acquisition module for acquiring a cooling power of a cooling unit based on the first temperature and the second temperature; an adjustment module for controlling the cooling unit to cool the cooling liquid based on the cooling power; the power acquisition module comprises: a temperature difference acquisition submodule for acquiring a temperature difference between the first temperature and the second temperature based on the first temperature and the second temperature; a power output submodule for acquiring a cooling power output by the cooling unit based on the temperature difference; the power acquisition module further comprises: a temperature setting unit for setting a first temperature of a target battery pack connected to a cooling liquid inlet; A correspondence calibration unit is configured to obtain a temperature difference between a second temperature at which the target battery pack is connected to the coolant outlet and the first temperature, and calibrate a temperature difference-cooling power correspondence corresponding to the first temperature.

5. A terminal device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, The computer program is executed by the processor to implement the method of any one of claims 1 to 3.

6. A computer-readable storage medium storing a computer program, the computer program comprising instructions that, when executed by a computer, cause the computer to perform the method of any one of claims 1 to 5. The computer program is executed by the processor to implement the method of any one of claims 1 to 3.

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