CN116069083A - Temperature control method, device and equipment of charging equipment and storage medium - Google Patents
Temperature control method, device and equipment of charging equipment and storage medium Download PDFInfo
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- CN116069083A CN116069083A CN202310090310.6A CN202310090310A CN116069083A CN 116069083 A CN116069083 A CN 116069083A CN 202310090310 A CN202310090310 A CN 202310090310A CN 116069083 A CN116069083 A CN 116069083A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides a temperature control method, a device, equipment and a storage medium of charging equipment. Relates to the technical field of vehicles. The method comprises the following steps: acquiring the temperature of cooling liquid flowing into an inlet of a charging gun, the temperature of cooling liquid flowing out of an outlet of the charging gun, the temperature of a positive gun line of the charging gun and the temperature of a negative gun line of the charging gun; controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun; according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun, the duty ratio of the cooling fan for cooling the cooling liquid is controlled; and controlling the working current of the charging gun according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun. The utility model discloses a heat that real-time adjustment heat dissipation and control rifle that charges produced has been realized, when guaranteeing the rifle work of charging in ideal operating condition, can also ensure stability, life-span and the security of rifle that charges.
Description
Technical Field
The present disclosure relates to the field of vehicle technologies, and in particular, to a method, an apparatus, a device, and a storage medium for controlling a temperature of a charging device.
Background
In recent years, with the continuous development of vehicle technology, the number of electric vehicles is continuously increasing, and the charging time of the electric vehicles is shorter and shorter. In order to realize quick charging of the electric automobile, the power of the charging pile is also larger and larger, which results in more heat emitted by the charging gun wire in the process of charging the electric automobile through the charging gun wire. Therefore, in order to ensure the safety of charging, it is necessary to control the temperature of the charging device. In the prior art, the heat emitted by the charging gun wire is reduced by increasing the diameter of the charging gun wire and reducing the resistance of the charging gun wire.
However, the inventors found that the prior art has at least the following technical problems: the diameter of charging gun line can increase the holistic weight of charging gun, is difficult for inserting electric automobile with the charging gun line when leading to charging, and then has reduced user experience.
Disclosure of Invention
The application provides a temperature control method, a temperature control device and a temperature control storage medium of charging equipment, which can improve safety of charging a vehicle through the charging equipment.
In a first aspect, the present application provides a temperature control method of a charging apparatus including a charging stake and a charging gun, the method comprising:
Acquiring the temperature of cooling liquid flowing into an inlet of the charging gun, the temperature of cooling liquid flowing out of an outlet of the charging gun, the temperature of a positive gun line of the charging gun and the temperature of a negative gun line of the charging gun;
controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun;
according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun, controlling the duty ratio of a cooling fan for cooling the cooling liquid;
and controlling the working current of the charging gun according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun.
In one possible design, the controlling the duty ratio of the water pump driving the cooling liquid to circulate according to the positive electrode gun line temperature, the negative electrode gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun comprises:
selecting a maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature;
determining the working state of the charging gun;
and controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the working state of the charging gun, the maximum gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun.
In one possible design, the controlling the duty ratio of the water pump driving the cooling liquid to circulate according to the working state of the charging gun, the maximum gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun includes:
if the charging gun is in a working state, controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the cooling liquid at the outlet of the charging gun; and if the charging gun is in a non-working state, controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the maximum gun line temperature.
In one possible design, if the temperature of the cooling liquid at the outlet of the charging gun is less than a first preset temperature value, determining whether the current duty cycle of the water pump is a second water pump duty cycle; if yes, continuing to determine whether the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first regulation temperature; and if the temperature of the cooling liquid at the outlet of the charging gun is higher than or equal to the first regulation temperature, controlling the duty ratio of the water pump to be the second water pump duty ratio.
In one possible design, the controlling the duty ratio of the cooling fan for cooling the cooling liquid according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun includes:
if the duty ratio of the water pump is smaller than the first water pump duty ratio, controlling the duty ratio of the cooling fan to be the first fan duty ratio;
and if the duty ratio of the water pump is larger than or equal to the first water pump duty ratio, controlling the duty ratio of the cooling fan according to the temperature of the cooling liquid at the outlet of the charging gun.
In one possible design, the controlling the duty cycle of the cooling fan according to the temperature of the cooling liquid at the outlet of the charging gun includes:
if the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first preset temperature, determining the current fan duty ratio of the cooling fan, if the current fan duty ratio is smaller than or equal to a second fan duty ratio, controlling the duty ratio of the cooling fan to be the first fan duty ratio, and if the current fan duty ratio is larger than the second fan duty ratio, and the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first regulation temperature, controlling the duty ratio of the cooling fan to be the first fan duty ratio;
If the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the first preset temperature and is smaller than the second preset temperature, determining the current fan duty ratio of the cooling fan, if the current fan duty ratio is smaller than or equal to the second fan duty ratio, controlling the duty ratio of the cooling fan to be the second fan duty ratio, and if the current fan duty ratio is greater than the second fan duty ratio and the temperature of the cooling liquid at the outlet of the charging gun is smaller than the second regulation temperature, controlling the duty ratio of the cooling fan to be the second fan duty ratio; if the current fan duty ratio is larger than the second fan duty ratio and the temperature of the cooling liquid at the outlet of the charging gun is larger than or equal to the second regulation temperature, controlling the duty ratio of the cooling fan to be a third fan duty ratio;
and if the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the first preset temperature and greater than or equal to the second preset temperature, controlling the duty ratio of the cooling fan to be a third fan duty ratio.
In one possible design, the controlling the working current of the charging gun according to the positive electrode gun line temperature, the negative electrode gun line temperature and the temperature of the charging gun inlet cooling liquid includes:
Selecting a maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature, and controlling the charging gun to stop outputting current if the maximum gun line temperature is greater than a preset gun line working temperature or the temperature of the charging gun inlet cooling liquid is greater than a preset inlet working temperature;
if the maximum gun line temperature is less than or equal to the gun line working temperature and the temperature of the charging gun inlet cooling liquid is less than or equal to the inlet working temperature, determining the current output percentage of the charging gun; and controlling the output current of the charging gun according to the current output percentage.
In one possible design, the controlling the output current of the charging gun according to the current output percentage includes:
if the current output percentage is greater than or equal to 100% in the preset duration and the duration is greater than or equal to the preset duration, the charging gun is controlled to be the output current corresponding to the maximum power, and if the current output percentage is greater than or equal to 100% and the duration is less than the preset duration, the charging gun is controlled to keep the current output current; and if the current output percentage is smaller than 100%, controlling the charging gun to keep the current output current.
In a second aspect, the present application provides a temperature control device of a charging apparatus, the charging apparatus including a charging post and a charging gun, the device comprising:
the acquisition module is used for acquiring the temperature of the cooling liquid flowing into the charging gun inlet, the temperature of the cooling liquid flowing out of the charging gun outlet, the temperature of the positive gun line of the charging gun and the temperature of the negative gun line of the charging gun;
the first control module is used for controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun;
the second control module is used for controlling the duty ratio of a cooling fan for cooling the cooling liquid according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun;
and the third control module is used for controlling the working current of the charging gun according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun.
In a third aspect, the present invention provides an electronic device comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executes computer-executable instructions stored by the memory, causing the at least one processor to perform the method of controlling the temperature of a charging device as described in the first aspect above.
In a fourth aspect, the present invention provides a computer storage medium having stored therein computer-executable instructions which, when executed by a processor, implement the method for controlling the temperature of a charging device according to the first aspect above.
In a fifth aspect, the present application further provides a computer program product comprising a computer program stored in a computer readable storage medium, from which computer program at least one processor can read, the at least one processor executing the computer program, implementing the method for controlling the temperature of a charging device according to the first aspect above.
According to the temperature control method, the device, the equipment and the storage medium of the charging equipment, the temperature of the positive electrode gun wire, the inflow temperature of the cooling liquid flowing into the charging gun and the outflow temperature of the cooling liquid flowing out of the charging gun are obtained, and then the duty ratio of the water pump, the duty ratio of the cooling fan and the working current of the charging gun are controlled respectively according to the obtained temperatures. The heat generated by the charging gun can be controlled by controlling the working current of the charging gun. Therefore, the temperature control method realizes real-time adjustment of heat dissipation and heat generated by the charging gun, ensures that the charging gun works in an ideal working state, and simultaneously ensures the stability and safety of the charging gun, thereby improving user experience.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a flowchart of a method for controlling a temperature of a charging device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a temperature control system according to an embodiment of the present invention;
FIG. 3 is a flowchart of a control method of the duty ratio of the water pump according to the embodiment of the present invention;
fig. 4 is a flowchart of a method for controlling a duty cycle of a cooling fan according to an embodiment of the present invention;
fig. 5 is a flowchart of a method for controlling a charging current according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a temperature control device of a charging apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
In recent years, with the continuous development of vehicle technology, the number of electric vehicles is continuously increasing, and the charging time of the electric vehicles is shorter and shorter. In order to realize quick charging of the electric automobile, the power of the charging pile is also larger and larger, which results in more heat emitted by the charging gun wire in the process of charging the electric automobile through the charging gun wire. Therefore, in order to ensure the safety of charging, it is necessary to control the temperature of the charging device.
In the prior art, the heat emitted by the charging gun wire is reduced by increasing the diameter of the charging gun wire and reducing the resistance of the charging gun wire. However, increasing the diameter of the charging gun wire increases the overall weight of the charging gun, resulting in less ease of inserting the charging gun wire into the electric vehicle during charging, thereby reducing user experience. To above-mentioned technical problem, can carry out the cooling treatment to charging rifle line through the coolant liquid.
However, the reduction of the wire diameter causes the heat surge of the charging gun, and in order to prevent the failure caused by overheat of the charging gun while managing the efficient operation of the charging gun, the application proposes the following technical concept: when the temperature of the charging gun line is reduced by the cooling liquid, the temperature of the anode gun line, the temperature of the cooling liquid flowing into the charging gun inlet and the temperature of the cooling liquid flowing out of the charging gun outlet can be obtained, and then the duty ratio of the water pump, the duty ratio of the cooling fan and the working current of the charging gun are respectively controlled according to the obtained temperatures. The heat generated by the charging gun can be controlled by controlling the working current of the charging gun. Therefore, the stability and the safety of the charging gun can be ensured while the charging gun is ensured to work in an ideal working state by adjusting the heat dissipation and the heat generated by the charging gun in real time.
The following describes the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
The embodiment of the application provides a temperature control method of charging equipment. The execution subject of the method of the embodiment of the application may be an electronic device. Fig. 1 is a flowchart of a temperature control method of a charging device according to an embodiment of the present application. The charging device comprises a charging pile and a charging gun, as shown in fig. 1, and the temperature control method of the charging device comprises the following steps:
s101, acquiring the temperature of cooling liquid flowing into an inlet of the charging gun, the temperature of cooling liquid flowing out of an outlet of the charging gun, the temperature of a positive electrode gun line of the charging gun and the temperature of a negative electrode gun line of the charging gun.
In an embodiment of the present application, a temperature control system as shown in fig. 2 includes: cooling tube, heat exchanger, radiator fan, coolant container, water pump, first temperature sensor, second temperature sensor, third temperature sensor and fourth temperature sensor. The cooling liquid circularly flows in the cooling pipe, and can cool the charging gun when flowing through the charging gun. The cooling liquid exchanges heat with the outside air through the heat exchanger, and the heat exchange process can be accelerated through the cooling fan. The water pump can drive the cooling liquid to circularly flow in the cooling pipe.
Optionally, the temperature of the cooling liquid flowing into the inlet of the charging gun is monitored through a first temperature sensor, the temperature of the cooling liquid flowing out of the outlet of the charging gun is monitored through a second temperature sensor, the temperature of the positive electrode gun line of the charging gun is monitored through a third temperature sensor, and the temperature of the negative electrode gun line of the charging gun is monitored through a fourth temperature sensor. Correspondingly, the method comprises the following steps: the first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor upload the detected temperature to temperature control equipment to obtain the temperature of cooling liquid flowing into the charging gun inlet, the temperature of cooling liquid flowing out of the charging gun outlet, the temperature of the positive electrode gun line of the charging gun and the temperature of the negative electrode gun line of the charging gun.
S102, controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun.
In the embodiment of the application, the higher the duty ratio of the water pump is, the higher the rotating speed of the water pump is, the driving force is increased, the circulating flow rate of the cooling liquid is increased, and the heat dissipation rate is also increased; conversely, the lower the duty ratio of the water pump, the lower the rotation speed of the water pump, the driving force is reduced, the circulating flow rate of the cooling liquid is reduced, and the heat dissipation rate is also reduced.
Optionally, the duty ratio of the water pump is flexibly controlled through the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun so as to control the heat dissipation rate of the cooling liquid.
S103, controlling the duty ratio of a cooling fan for cooling the cooling liquid according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun.
In this embodiment, the radiator fan is attached to the heat exchanger. The higher the duty ratio of the heat radiation fan is, the higher the rotation speed of the heat radiation fan is, and the heat radiation rate of the heat exchanger is increased; conversely, the lower the duty cycle of the heat dissipating fan, the lower the rotational speed of the heat dissipating fan, and the heat dissipating rate of the heat exchanger decreases.
Optionally, the duty cycle of the cooling fan can be flexibly controlled by the duty cycle of the water pump and the temperature of the cooling liquid at the outlet of the charging gun so as to control the heat dissipation rate of the heat exchanger.
S104, controlling the working current of the charging gun according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun.
In the embodiment of the application, the larger the working current of the charging gun is, the larger the output power is, and the heat generated by the charging gun wire is increased; conversely, the smaller the working current of the charging gun, the smaller the output power, and the heat generated by the charging gun wire is also reduced.
Optionally, through the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun, the working current of the charging gun can be flexibly controlled so as to control the heat generated by the charging gun line.
The application provides a temperature control method of charging equipment, which comprises the steps of firstly obtaining the temperature of a positive electrode gun wire, the temperature of cooling liquid flowing into an inlet of a charging gun and the temperature of cooling liquid flowing out of an outlet of the charging gun, and then respectively controlling the duty ratio of a water pump, the duty ratio of a cooling fan and the working current of the charging gun according to the obtained temperatures. The heat generated by the charging gun can be controlled by controlling the working current of the charging gun. Therefore, the temperature control method realizes real-time adjustment of heat dissipation and heat generated by the charging gun, ensures that the charging gun works in an ideal working state, and simultaneously ensures the stability and safety of the charging gun, thereby improving user experience.
In the embodiment of the present invention, a specific implementation method for controlling the duty ratio of the water pump driving the cooling liquid to circulate in S102 according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun is described in detail on the basis of the embodiment provided in fig. 1. The method comprises the following steps:
s201, selecting the maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature.
Alternatively, as shown in fig. 3, the positive electrode gun line temperature T1, the negative electrode gun line temperature T2, and the maximum gun line temperature at a higher temperature is tg=max (T1, T2).
S202, determining the working state of the charging gun.
Optionally, the operating state of the charging gun includes an operating state and a non-operating state.
S203, controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the working state of the charging gun, the maximum gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun.
Alternatively, as shown in fig. 3, if the charging gun is in an operating state, the duty ratio of the water pump driving the cooling liquid to circulate is controlled according to the temperature of the cooling liquid at the outlet of the charging gun; and if the charging gun is in a non-working state, controlling the duty ratio of the water pump for driving the cooling liquid to circularly flow according to the maximum gun line temperature.
With continued reference to fig. 3, the step of controlling the duty cycle of the water pump driving the circulation of the cooling liquid according to the temperature of the cooling liquid at the outlet of the charging gun includes: if the temperature TW of the cooling liquid at the outlet of the charging gun is greater than the first preset temperature value T0, the duty cycle of the water pump is controlled to be the second duty cycle of the water pump, which may be represented by PN 2.
If the temperature TW of the cooling liquid at the outlet of the charging gun is smaller than the first preset temperature value T0, determining whether the current duty ratio of the water pump is the second water pump duty ratio. And if the current duty ratio of the water pump is not the second water pump duty ratio, controlling the duty ratio of the water pump to be the first water pump duty ratio. If so, continuing to determine whether the temperature TW of the charging gun outlet cooling liquid is less than the first regulating temperature T0-TK. If the temperature TW of the cooling liquid at the outlet of the charging gun is smaller than the first regulating temperature T0-TK, the duty ratio of the water pump is controlled to be the first water pump duty ratio, and the duty ratio can be expressed by PN 1. And if the temperature TW of the cooling liquid at the outlet of the charging gun is greater than or equal to the first regulating temperature T0-TK, controlling the duty ratio of the water pump to be the duty ratio of the second water pump. Wherein T0 represents a first preset temperature value. TK represents the first return difference temperature, indicating the return difference temperature of the port coolant.
Here, when the temperature TW of the cooling liquid at the outlet of the charging gun is less than the first preset temperature T0, if the current duty ratio of the water pump is the second duty ratio of the water pump, it is further determined whether the temperature TW of the cooling liquid at the outlet of the charging gun is less than the first regulation temperature T0-TK, and switching is performed only when the temperature TW is less than the first regulation temperature, so that frequent switching of the duty ratio of the water pump is avoided.
With continued reference to fig. 3, the step of controlling the duty cycle of the water pump driving the circulating flow of the cooling liquid according to the maximum gun line temperature includes: determining whether the maximum gun line temperature TG is greater than a second preset temperature value T1, and if the maximum gun line temperature TG is greater than the second preset temperature value T1, controlling the duty ratio of the water pump to be a fourth water pump duty ratio, wherein the fourth water pump duty ratio can be represented by PN 4.
If the maximum gun line temperature TG is smaller than the second preset temperature value T1, determining whether the duty ratio of the water pump is the fourth duty ratio of the water pump. If not, the duty ratio of the control water pump is a third water pump duty ratio, which can be represented by PN 3; if so, continuing to determine whether the maximum gun line temperature TG is less than the third regulation temperature T1-TM. Wherein T1 represents a second preset temperature value, and TM represents a second return difference temperature, that is, a return difference temperature of the charging gun line. And if the maximum gun line temperature TG is smaller than the third regulation temperature T1-TM, controlling the duty ratio of the water pump to be the fourth water pump duty ratio. And if the maximum gun line temperature TG is greater than or equal to the third regulation temperature T1-TM, controlling the duty ratio of the water pump to be the third water pump duty ratio.
The first return difference temperature and the second return difference temperature are set, so that frequent switching of the duty ratio of the water pump can be prevented, and the stability of the temperature control system is improved.
In the embodiment of the invention, specific numerical values of the first preset temperature value, the first return difference temperature, the second return difference temperature, the first water pump duty ratio, the second water pump duty ratio, the third water pump duty ratio and the fourth water pump duty ratio are not particularly limited. The temperature range of the first preset temperature T0 is, for example, -20 ℃ to 0 ℃. The temperature range of the second preset temperature T1 is 50-90 ℃. The duty cycle range of PN1 is 0% -20%, the duty cycle range of PN2 is 90% -100%, the duty cycle range of PN3 is 0% -20%, and the duty cycle range of PN4 is 30% -70%.
In the embodiment of the present invention, a specific implementation method of controlling the duty ratio of the cooling fan for cooling the cooling liquid according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun in S103 is described in detail on the basis of the embodiment provided in fig. 1. The method comprises the following steps:
and S301, if the duty ratio of the water pump is smaller than the first water pump duty ratio, controlling the duty ratio of the cooling fan to be the first fan duty ratio.
For example, as shown in fig. 4, the first water pump duty cycle may be represented by PN 1.
S302, if the duty ratio of the water pump is larger than or equal to the first water pump duty ratio, controlling the duty ratio of the cooling fan according to the temperature of the cooling liquid at the outlet of the charging gun.
Alternatively, referring to fig. 4, according to the temperature of the outlet coolant of the charging gun, the specific steps of controlling the duty ratio of the cooling fan are: if the temperature of the cooling liquid at the outlet of the charging gun is smaller than the first preset temperature, determining the current fan duty ratio of the cooling fan, if the current fan duty ratio is smaller than or equal to the second fan duty ratio FN2, controlling the duty ratio of the cooling fan to be the first fan duty ratio FN1, and if the current fan duty ratio is larger than the second fan duty ratio FN2, and the temperature of the cooling liquid at the outlet of the charging gun is smaller than the first regulation temperature T0-TK, controlling the duty ratio of the cooling fan to be the first fan duty ratio FN1.
With continued reference to fig. 4, if the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the first preset temperature T0 and less than the second preset temperature T1, determining a current fan duty cycle of the cooling fan, if the current fan duty cycle is less than or equal to the second fan duty cycle FN2, controlling the duty cycle of the cooling fan to be the second fan duty cycle FN2, and if the current fan duty cycle is greater than the second fan duty cycle FN2 and the temperature of the cooling liquid at the outlet of the charging gun is less than the second regulation temperature T1-TK, controlling the duty cycle of the cooling fan to be the second fan duty cycle FN2; if the current fan duty ratio is greater than the second fan duty ratio FN2 and the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the second regulation temperature T1-TK, the duty ratio of the cooling fan is controlled to be the third fan duty ratio FN3.
It should be noted that, setting the first regulation temperature and the second regulation temperature can prevent frequent switching of the duty ratio of the cooling fan, and improve the stability of the temperature control system.
With continued reference to fig. 4, if the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the first preset temperature T0 and greater than or equal to the second preset temperature T1, the duty cycle of the cooling fan is controlled to be the third fan duty cycle FN3.
In the embodiment of the present invention, specific values of the first preset temperature value, the second preset temperature value, the first fan duty cycle, the second fan duty cycle, and the third fan duty cycle are not specifically limited. The first preset temperature T0 is, for example, in the temperature range of 10 ℃ to 20 ℃. The temperature range of the second preset temperature T1 is 30-70 ℃. The temperature range of TK is 1-10 ℃. The duty cycle range of FN1 is 0% -10%, the duty cycle range of FN2 is 40% -80%, and the duty cycle range of FN3 is 90% -100%.
In the embodiment of the present invention, a specific implementation method for controlling the working current of the charging gun according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun in S104 is described in detail on the basis of the embodiment provided in fig. 1. The method comprises the following steps:
S401, selecting a maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature, and controlling the charging gun to stop outputting current if the maximum gun line temperature is greater than a preset gun line working temperature or the temperature of the cooling liquid at the inlet of the charging gun is greater than a preset inlet working temperature.
For example, as shown in fig. 5, the maximum gun line temperature may be represented by TG. The preset gun line operating temperature may be represented by TG 0. The temperature of the charge gun inlet coolant may be represented by Ti. The preset inlet operating temperature may be represented by Ti 0.
S402, if the maximum gun line temperature is less than or equal to the gun line working temperature and the temperature of the cooling liquid at the inlet of the charging gun is less than or equal to the inlet working temperature, determining the current output percentage of the charging gun; and controlling the output current of the charging gun according to the current output percentage.
Alternatively, referring to fig. 5, the current output percentage is the smallest value among the current output percentages PG corresponding to the maximum gun line temperature TG and Pi corresponding to the temperature Ti of the charging gun inlet coolant. That is, the present current output percentage p=min (PG, pi).
The current output percentage PG corresponding to the maximum gun line temperature TG may be determined by the following formula one, and the current output percentage Pi corresponding to the temperature Ti of the charging gun inlet coolant may be determined by the following formula two.
Equation one: pg=100-PGK (TG-TG 1)/TGK
Wherein TG1 represents the critical gun line temperature corresponding to a current output percentage of 100%; TGK represents a return difference temperature value of the gun line temperature (to reduce fluctuation of output capability), and PGK is an output coefficient. Illustratively, PGK may be any value between 30% and 50%, and TGK may be any value between 2 ℃ and 10 ℃.
Formula II: pi=100-Pik (Ti-Ti 1)/TiK
Wherein Ti1 represents the critical inlet coolant temperature corresponding to 100% of current output percentage; tiK the return difference temperature value of the inlet coolant (to reduce fluctuation in output capacity), piK is the output coefficient. Illustratively, piK may be any value between 30% and 50%, and TiK may be any value between 2 ℃ and 10 ℃.
Optionally, with continued reference to fig. 5, controlling the output current of the charging gun according to the present current output percentage includes: if the current output percentage is greater than or equal to 100% in the preset duration and the duration is greater than or equal to the preset duration, the charging gun is controlled to be the output current corresponding to the maximum power, and if the current output percentage is greater than or equal to 100% and the duration is less than the preset duration, the charging gun is controlled to keep the current output current; and if the current output percentage is less than 100%, controlling the charging gun to maintain the current output current. Specific numerical values of the preset time periods are not particularly limited in the embodiment of the invention. The preset duration is, for example, 1 minute. It should be noted that, by setting the preset time length, the fluctuation of the output circuit can be prevented, and the stability of the output current is improved.
Illustratively, the present output current is maintained as: the current I is output according to the current limiting current output percentage P of the actual output. With continued reference to fig. 5, when the charging gun is controlled to maintain the present output current, it may also be determined whether the present output current I is greater than a preset minimum current Imin. And if the current output current I is greater than or equal to Imin, outputting according to the current output current I. If the current output current I is smaller than Imin, outputting according to a preset minimum current Imin.
The specific value of the preset minimum current is not particularly limited in the embodiment of the present invention. The preset minimum current Imin is, for example, any value between 100A and 200A.
Fig. 6 is a schematic structural diagram of a temperature control device of a charging device according to an embodiment of the present application. As shown in fig. 6, the temperature control device of the charging apparatus includes: an acquisition module 601, a first control module 602, a second control module 603 and a third control module 604.
An acquisition module 601, configured to acquire a temperature of the cooling liquid flowing into the charging gun inlet, a temperature of the cooling liquid flowing out of the charging gun outlet, a positive gun line temperature of the charging gun, and a negative gun line temperature of the charging gun;
the first control module 602 is configured to control a duty cycle of a water pump that drives the cooling liquid to circulate according to the anode gun line temperature, the cathode gun line temperature, and the temperature of the cooling liquid at the outlet of the charging gun;
A second control module 603, configured to control a duty cycle of a cooling fan for cooling the cooling liquid according to a duty cycle of the water pump and a temperature of the cooling liquid at an outlet of the charging gun;
a third control module 604 for controlling the working current of the charging gun according to the positive electrode gun line temperature, the negative electrode gun line temperature and the temperature of the cooling liquid at the inlet of the charging gun
In one possible design, the first control module 602 controls the duty cycle of the water pump driving the circulating flow of the cooling liquid according to the positive electrode gun line temperature, the negative electrode gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun, and specifically includes: selecting a maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature; determining the working state of the charging gun; and controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the working state of the charging gun, the maximum gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun.
In one possible design, the first control module 602 controls the duty cycle of the water pump driving the cooling liquid to circulate according to the working state of the charging gun, the maximum gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun, and specifically includes: if the charging gun is in a working state, controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the cooling liquid at the outlet of the charging gun; and if the charging gun is in a non-working state, controlling the duty ratio of the water pump for driving the cooling liquid to circularly flow according to the maximum gun line temperature.
In one possible design, the second control module 603 controls the duty cycle of the cooling fan for cooling the cooling liquid according to the duty cycle of the water pump and the temperature of the cooling liquid at the outlet of the charging gun, and specifically includes: if the duty ratio of the water pump is smaller than the duty ratio of the first water pump, controlling the duty ratio of the cooling fan to be the duty ratio of the first fan; and if the duty ratio of the water pump is larger than or equal to the first water pump duty ratio, controlling the duty ratio of the cooling fan according to the temperature of the cooling liquid at the outlet of the charging gun.
In one possible design, the second control module 603 controls the duty cycle of the cooling fan according to the temperature of the cooling liquid at the outlet of the charging gun, and specifically includes: if the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first preset temperature, determining the current fan duty ratio of the cooling fan, if the current fan duty ratio is smaller than or equal to a second fan duty ratio, controlling the duty ratio of the cooling fan to be the first fan duty ratio, and if the current fan duty ratio is larger than the second fan duty ratio and the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first regulation temperature, controlling the duty ratio of the cooling fan to be the first fan duty ratio;
if the temperature of the cooling liquid at the outlet of the charging gun is larger than or equal to a first preset temperature and smaller than a second preset temperature, determining the current fan duty ratio of the cooling fan, if the current fan duty ratio is smaller than or equal to the second fan duty ratio, controlling the duty ratio of the cooling fan to be the second fan duty ratio, and if the current fan duty ratio is larger than the second fan duty ratio and the temperature of the cooling liquid at the outlet of the charging gun is smaller than a second regulation temperature, controlling the duty ratio of the cooling fan to be the second fan duty ratio; if the current fan duty ratio is larger than the second fan duty ratio and the temperature of the cooling liquid at the outlet of the charging gun is larger than or equal to the second regulation temperature, controlling the duty ratio of the cooling fan to be the third fan duty ratio;
And if the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the first preset temperature and greater than or equal to the second preset temperature, controlling the duty ratio of the cooling fan to be the third fan duty ratio.
In one possible design, the third control module 604 controls the operating current of the charging gun according to the positive gun line temperature, the negative gun line temperature, and the temperature of the charging gun inlet coolant, including: selecting a maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature, and controlling the charging gun to stop outputting current if the maximum gun line temperature is greater than a preset gun line working temperature or the temperature of the charging gun inlet cooling liquid is greater than a preset inlet working temperature; if the maximum gun line temperature is less than or equal to the gun line working temperature and the temperature of the cooling liquid at the inlet of the charging gun is less than or equal to the inlet working temperature, determining the current output percentage of the charging gun; and controlling the output current of the charging gun according to the current output percentage.
In one possible design, the third control module 604 controls the output current of the charging gun according to the current output percentage, including: if the current output percentage is greater than or equal to 100% in the preset duration and the duration is greater than or equal to the preset duration, the charging gun is controlled to be the output current corresponding to the maximum power, and if the current output percentage is greater than or equal to 100% and the duration is less than the preset duration, the charging gun is controlled to keep the current output current; and if the current output percentage is less than 100%, controlling the charging gun to maintain the current output current.
The temperature control device of the charging equipment provided in the embodiment of the present application may be used to execute the technical scheme of the temperature control method of the charging equipment in the foregoing embodiment, and its implementation principle and technical effect are similar, and are not described herein again.
It should be noted that, it should be understood that the division of the modules of the above apparatus is merely a division of a logic function, and may be fully or partially integrated into a physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; the method can also be realized in a form of calling software by a processing element, and the method can be realized in a form of hardware by a part of modules. For example, the acquisition module 501 may be a processing element that is set up separately, may be implemented in a chip of the above apparatus, or may be stored in a memory of the above apparatus in the form of program codes, and may be called by a processing element of the above apparatus to execute the functions of the above acquisition module 501. The implementation of the other modules is similar. In addition, all or part of the modules can be integrated together or can be independently implemented. The processing element here may be an integrated circuit with signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in a software form.
Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 7, the electronic device may include: a transceiver 701, a processor 702, a memory 703.
The processor 702 executes computer-executable instructions stored in the memory, causing the processor 702 to perform the aspects of the embodiments described above. The processor 702 may be a general-purpose processor including a central processing unit CPU, a network processor (network processor, NP), etc.; but may also be a digital signal processor DSP, an application specific integrated circuit ASIC, a field programmable gate array FPGA or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component.
The memory 703 is connected to the processor 702 via a system bus and communicates with each other, the memory 703 being arranged to store computer program instructions.
The transceiver 701 may be used to obtain a task to be run and configuration information for the task to be run.
The system bus may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus or an extended industry standard architecture (extended industry standard architecture, EISA) bus, among others. The system bus may be classified into an address bus, a data bus, a control bus, and the like. For ease of illustration, the figures are shown with only one bold line, but not with only one bus or one type of bus. The transceiver is used to enable communication between the database access device and other computers (e.g., clients, read-write libraries, and read-only libraries). The memory may include random access memory (random access memory, RAM) and may also include non-volatile memory (non-volatile memory).
The electronic device provided in the embodiment of the present application may be a computer device in the above embodiment.
The embodiment of the application also provides a chip for running the instruction, which is used for executing the technical scheme of the temperature control method of the charging equipment in the embodiment.
The embodiment of the application also provides a computer readable storage medium, wherein the computer readable storage medium stores computer instructions, and when the computer instructions run on a computer, the computer is caused to execute the technical scheme of the temperature control method of the charging equipment in the embodiment.
The embodiment of the application also provides a computer program product, which comprises a computer program stored in a computer readable storage medium, wherein at least one processor can read the computer program from the computer readable storage medium, and the technical scheme of the temperature control method of the charging device in the embodiment can be realized when the at least one processor executes the computer program.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (11)
1. A method of controlling a temperature of a charging apparatus, the charging apparatus comprising a charging stake and a charging gun, the method comprising:
acquiring the temperature of cooling liquid flowing into an inlet of the charging gun, the temperature of cooling liquid flowing out of an outlet of the charging gun, the temperature of a positive gun line of the charging gun and the temperature of a negative gun line of the charging gun;
controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun;
according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun, controlling the duty ratio of a cooling fan for cooling the cooling liquid;
and controlling the working current of the charging gun according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun.
2. The method of claim 1, wherein controlling the duty cycle of the water pump that drives the circulation of the cooling liquid according to the positive electrode gun line temperature, the negative electrode gun line temperature, and the temperature of the charging gun outlet cooling liquid comprises:
Selecting a maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature;
determining the working state of the charging gun;
and controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the working state of the charging gun, the maximum gun line temperature and the temperature of the cooling liquid at the outlet of the charging gun.
3. The method of claim 2, wherein controlling the duty cycle of the water pump that drives the circulation of the cooling liquid according to the operating state of the charging gun, the maximum gun line temperature, and the temperature of the charging gun outlet cooling liquid, comprises:
if the charging gun is in a working state, controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the cooling liquid at the outlet of the charging gun; and if the charging gun is in a non-working state, controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the maximum gun line temperature.
4. A method according to claim 2 or 3, further comprising:
if the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first preset temperature value, determining whether the current duty ratio of the water pump is a second water pump duty ratio or not; if yes, continuing to determine whether the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first regulation temperature;
And if the temperature of the cooling liquid at the outlet of the charging gun is higher than or equal to the first regulation temperature, controlling the duty ratio of the water pump to be the second water pump duty ratio.
5. The method of claim 1, wherein controlling the duty cycle of the cooling fan for cooling the cooling liquid according to the duty cycle of the water pump and the temperature of the cooling liquid at the outlet of the charging gun comprises:
if the duty ratio of the water pump is smaller than the first water pump duty ratio, controlling the duty ratio of the cooling fan to be the first fan duty ratio;
and if the duty ratio of the water pump is larger than or equal to the first water pump duty ratio, controlling the duty ratio of the cooling fan according to the temperature of the cooling liquid at the outlet of the charging gun.
6. The method of claim 5, wherein controlling the duty cycle of the cooling fan according to the temperature of the charging gun outlet coolant, comprises:
if the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first preset temperature, determining the current fan duty ratio of the cooling fan, if the current fan duty ratio is smaller than or equal to a second fan duty ratio, controlling the duty ratio of the cooling fan to be the first fan duty ratio, and if the current fan duty ratio is larger than the second fan duty ratio, and the temperature of the cooling liquid at the outlet of the charging gun is smaller than a first regulation temperature, controlling the duty ratio of the cooling fan to be the first fan duty ratio;
If the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the first preset temperature and is smaller than the second preset temperature, determining the current fan duty ratio of the cooling fan, if the current fan duty ratio is smaller than or equal to the second fan duty ratio, controlling the duty ratio of the cooling fan to be the second fan duty ratio, and if the current fan duty ratio is greater than the second fan duty ratio and the temperature of the cooling liquid at the outlet of the charging gun is smaller than the second regulation temperature, controlling the duty ratio of the cooling fan to be the second fan duty ratio; if the current fan duty ratio is larger than the second fan duty ratio and the temperature of the cooling liquid at the outlet of the charging gun is larger than or equal to the second regulation temperature, controlling the duty ratio of the cooling fan to be a third fan duty ratio;
and if the temperature of the cooling liquid at the outlet of the charging gun is greater than or equal to the first preset temperature and greater than or equal to the second preset temperature, controlling the duty ratio of the cooling fan to be a third fan duty ratio.
7. The method of claim 1, wherein said controlling the operating current of the charging gun based on the positive gun line temperature, the negative gun line temperature, and the temperature of the charging gun inlet coolant comprises:
Selecting a maximum gun line temperature with higher temperature from the anode gun line temperature and the cathode gun line temperature, and controlling the charging gun to stop outputting current if the maximum gun line temperature is greater than a preset gun line working temperature or the temperature of the charging gun inlet cooling liquid is greater than a preset inlet working temperature;
if the maximum gun line temperature is less than or equal to the gun line working temperature and the temperature of the charging gun inlet cooling liquid is less than or equal to the inlet working temperature, determining the current output percentage of the charging gun; and controlling the output current of the charging gun according to the current output percentage.
8. The method of claim 7, wherein said controlling the output current of the charging gun according to the present current output percentage comprises:
if the current output percentage is greater than or equal to 100% in the preset duration and the duration is greater than or equal to the preset duration, the charging gun is controlled to be the output current corresponding to the maximum power, and if the current output percentage is greater than or equal to 100% and the duration is less than the preset duration, the charging gun is controlled to keep the current output current; and if the current output percentage is smaller than 100%, controlling the charging gun to keep the current output current.
9. A temperature control device of a charging apparatus, the charging apparatus comprising a charging stake and a charging gun, the device comprising:
the acquisition module is used for acquiring the temperature of the cooling liquid flowing into the charging gun inlet, the temperature of the cooling liquid flowing out of the charging gun outlet, the temperature of the positive gun line of the charging gun and the temperature of the negative gun line of the charging gun;
the first control module is used for controlling the duty ratio of a water pump for driving the cooling liquid to circularly flow according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the outlet of the charging gun;
the second control module is used for controlling the duty ratio of a cooling fan for cooling the cooling liquid according to the duty ratio of the water pump and the temperature of the cooling liquid at the outlet of the charging gun;
and the third control module is used for controlling the working current of the charging gun according to the temperature of the positive electrode gun line, the temperature of the negative electrode gun line and the temperature of the cooling liquid at the inlet of the charging gun.
10. An electronic device, comprising: a processor, and a memory communicatively coupled to the processor;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored in the memory to implement the method of any one of claims 1-8.
11. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1-8.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117784851A (en) * | 2024-02-27 | 2024-03-29 | 国广顺能(上海)能源科技有限公司 | Temperature control method of liquid cooling charging gun, electronic equipment and storage medium |
| CN118061844A (en) * | 2024-04-19 | 2024-05-24 | 南方电网调峰调频(广东)储能科技有限公司 | Charge-discharge control method, apparatus, computer device and storage medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117784851A (en) * | 2024-02-27 | 2024-03-29 | 国广顺能(上海)能源科技有限公司 | Temperature control method of liquid cooling charging gun, electronic equipment and storage medium |
| CN117784851B (en) * | 2024-02-27 | 2024-06-28 | 国广顺能(上海)能源科技有限公司 | Temperature control method of liquid cooling charging gun, electronic equipment and storage medium |
| CN118061844A (en) * | 2024-04-19 | 2024-05-24 | 南方电网调峰调频(广东)储能科技有限公司 | Charge-discharge control method, apparatus, computer device and storage medium |
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