CN117423533A - Vehicle-mounted wireless charger heat dissipation method and device, electronic equipment and storage medium - Google Patents
Vehicle-mounted wireless charger heat dissipation method and device, electronic equipment and storage medium Download PDFInfo
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- CN117423533A CN117423533A CN202311750345.4A CN202311750345A CN117423533A CN 117423533 A CN117423533 A CN 117423533A CN 202311750345 A CN202311750345 A CN 202311750345A CN 117423533 A CN117423533 A CN 117423533A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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Abstract
According to the vehicle-mounted wireless charger heat dissipation method, the device, the electronic equipment and the storage medium, the real-time charger temperature at the current detection moment is obtained, and then when the real-time charger temperature is larger than the charger temperature threshold value, the real-time environment temperature at the current detection moment is obtained, and the historical charger temperature is obtained; and finally, a heat dissipation control instruction is sent to the corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction. Therefore, the temperature of the charging coil of the vehicle-mounted wireless charger in the charging process can be effectively ensured not to be too high, and the vehicle-mounted wireless charger can maintain higher charging efficiency for a long time; meanwhile, the influence of the temperature of the charging coil on the service life of the battery of the equipment to be charged caused by the overhigh temperature of the charging coil can be avoided.
Description
Technical Field
The application relates to the technical field of wireless charging, in particular to a vehicle-mounted wireless charger heat dissipation method and device, electronic equipment and a storage medium.
Background
In order to meet the charging requirement of people in driving and going out, a vehicle-mounted wireless charger can be installed on a vehicle, so that a user can conveniently charge electronic equipment such as a mobile phone, a tablet and the like.
However, the temperature of the charging coil of the vehicle-mounted wireless charger increases during the process of charging the electronic device by using the vehicle-mounted wireless charger, and thus the temperature of the battery of the electronic device also increases. When the temperature of the charging coil is too high, the charging efficiency of the vehicle-mounted wireless charger may be reduced, and even the battery of the electronic device may be damaged due to the too high temperature. Therefore, the problem that the temperature of the charging coil of the vehicle-mounted wireless charger is too high in the charging process is needed to be solved at present.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a vehicle-mounted wireless charger radiating method, a device, electronic equipment and a storage medium, and aims to solve the technical problem that the temperature of a charging coil of a vehicle-mounted wireless charger is too high during charging in the prior art. Specifically:
in a first aspect, an embodiment of the present application provides a heat dissipation method of an on-vehicle wireless charger, where the method includes: acquiring the temperature of a real-time charger at the current detection moment; when the temperature of the real-time charger is larger than the charger temperature threshold, acquiring the real-time environment temperature at the current detection moment and acquiring the historical charger temperature; wherein the number of the acquired historical charger temperatures is not less than 1; determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature, the environmental temperature threshold and the real-time environmental temperature; wherein the ambient temperature threshold is greater than the charger temperature threshold; and sending a heat dissipation control instruction to the corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction.
In a second aspect, an embodiment of the present application provides a heat dissipating device for an on-vehicle wireless charger, the device including: the first acquisition unit is used for acquiring the temperature of the real-time charger at the current detection moment; the second acquisition unit is used for acquiring the real-time environment temperature at the current detection moment and acquiring the historical charger temperature when the real-time charger temperature is greater than the charger temperature threshold value; wherein the number of the acquired historical charger temperatures is not less than 1; the heat dissipation mode determining unit is used for determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature, the environmental temperature threshold and the real-time environmental temperature; wherein the ambient temperature threshold is greater than the charger temperature threshold; and the sending unit is used for sending a heat dissipation control instruction to the corresponding heat dissipation module based on the heat dissipation mode so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction.
In a third aspect, an embodiment of the present application provides an electronic device, including: one or more processors, memory, and one or more applications. Wherein one or more application programs are stored in the memory and configured to be executed by the one or more processors, the one or more program configured to perform the method as the first aspect.
In a fourth aspect, embodiments of the present application also provide a computer readable storage medium having program code stored therein, the program code being callable by a processor to perform a method as in the first aspect.
In the technical scheme provided by the application, the real-time charger temperature at the current detection moment is obtained, and then when the real-time charger temperature is larger than the charger temperature threshold value, the real-time environment temperature at the current detection moment is obtained, and the historical charger temperature is obtained; and finally, a heat dissipation control instruction is sent to the corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction. Therefore, the temperature of the charging coil of the vehicle-mounted wireless charger in the charging process can be effectively ensured not to be too high, and the vehicle-mounted wireless charger can maintain higher charging efficiency for a long time; meanwhile, the influence of the temperature of the charging coil on the service life of the battery of the equipment to be charged caused by the overhigh temperature of the charging coil can be avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required for the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, but not all embodiments. All other embodiments and figures obtained by those skilled in the art without any inventive effort based on the embodiments herein fall within the scope of the present invention.
Fig. 1 is a schematic flow chart of a heat dissipation method of an on-vehicle wireless charger according to an embodiment of the present application.
Fig. 2 is a schematic flow chart of a heat dissipation method of an on-vehicle wireless charger according to another embodiment of the present application.
Fig. 3 is a schematic flow chart of a heat dissipation method of an on-vehicle wireless charger according to another embodiment of the present application.
Fig. 4 is a block diagram illustrating a heat dissipating device of an on-vehicle wireless charger according to an embodiment of the present application.
Fig. 5 shows a block diagram of an electronic device according to an embodiment of the present application.
Fig. 6 shows a block diagram of a computer readable storage medium according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
The following is a description of specific embodiments.
Referring to fig. 1, fig. 1 illustrates a heat dissipation method of a vehicle-mounted wireless charger according to an embodiment of the present application, where the heat dissipation method may include steps S110 to S140. Specific:
step S110, acquiring the temperature of the real-time charger at the current detection moment.
In the embodiment of the application, the real-time charger temperature is the temperature of the vehicle-mounted wireless charger at the current detection moment.
Specifically, after it is determined that the vehicle-mounted wireless charger is in a chargeable state and there is a device to be charged connected to the vehicle-mounted wireless charger, the vehicle-mounted wireless charger needs to acquire a real-time charger temperature to determine a temperature of itself at a current detection time. The vehicle-mounted wireless charger is provided with a first temperature sensor, and the first temperature sensor can be used for acquiring the charger temperature of the vehicle-mounted wireless charger.
In this embodiment of the present application, if the vehicle-mounted wireless charger is electrically connected to the vehicle, the vehicle-mounted wireless charger is considered to be in a chargeable state at this time, and the device to be charged may be charged. The device to be charged may be, for example, an electronic device that needs to be charged, such as a mobile phone, a tablet, a headset, and the like.
In some embodiments, the vehicle-mounted wireless charger may detect and acquire the charger temperature according to a preset time interval, where the preset time interval may be, for example, 3s, 5s, 10s, and the like, and the time interval may be specifically set according to needs, which is not limited in this application.
In some embodiments, the vehicle may be a pure electric vehicle, a hybrid vehicle, or the like.
And step S120, when the temperature of the real-time charger is larger than the charger temperature threshold, acquiring the real-time environment temperature at the current detection moment, and acquiring the historical charger temperature.
In the embodiment of the application, the charger temperature threshold is a temperature threshold for determining whether the vehicle-mounted wireless charger needs to dissipate heat, and the charger temperature threshold can be set according to actual needs, for example, can be set to 18 ℃, 20 ℃ and the like; the real-time environment temperature is the temperature of the vehicle at the current detection time, and the historical charger temperature is the temperature of the vehicle-mounted wireless charger acquired by the first temperature sensor before the current detection time.
Specifically, when the real-time charger temperature of the vehicle-mounted wireless charger is greater than the charger temperature threshold, it is determined that the vehicle-mounted wireless charger needs to dissipate heat, so that the historical charger temperature of the vehicle-mounted wireless charger and the real-time environment temperature in the vehicle at the current detection moment can be obtained, and the heat dissipation mode of the vehicle-mounted wireless charger can be further confirmed according to the obtained real-time environment temperature and the obtained historical charger temperature. It will be appreciated that when the real-time charger temperature is less than or equal to the charger temperature threshold, meaning that the vehicle-mounted wireless charger temperature is low at this time, heat dissipation may not be required.
In some embodiments, the on-vehicle wireless charger is further provided with a second temperature sensor, and the second temperature sensor is used for acquiring the temperature of the environment where the on-vehicle wireless charger is located, namely the temperature in the vehicle. The first temperature sensor and the second temperature sensor are different temperature sensors, and specific positions of the first temperature sensor and the second temperature sensor on the vehicle-mounted wireless charger can be set according to actual needs, and the application is not limited to the specific positions.
Further, in order to more accurately acquire the temperature of the in-vehicle wireless charger and the in-vehicle environment temperature, the number of the first temperature sensor and the second temperature sensor may be plural. Specifically, if a plurality of charger temperatures are obtained at the current detection moment, the real-time charger temperature is an average value of the plurality of charger temperatures; and if a plurality of environment temperatures are acquired at the current detection moment, the real-time environment temperature is an average value of the plurality of environment temperatures. It should be noted that, the time intervals for all the first temperature sensors to acquire the charger temperature are the same, and the time intervals for all the second temperature sensors to acquire the ambient temperature are the same.
Alternatively, the time intervals at which the first temperature sensor and the second temperature sensor acquire temperatures may be the same. Alternatively, the time intervals at which the first temperature sensor and the second temperature sensor acquire temperatures may be different.
In the embodiment of the application, after determining that the real-time charger temperature of the vehicle-mounted wireless charger is greater than the charger temperature threshold, the vehicle-mounted wireless charger can acquire the historical charger temperature of at least one detection moment before the current detection moment, and can acquire the at least one historical charger temperature.
In some embodiments, other sensors, such as a pressure sensor, a humidity sensor, etc., may be disposed on the vehicle-mounted wireless charger according to different actual needs, which is not limited in this application.
And step S130, determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature, the environmental temperature threshold and the real-time environmental temperature.
In the embodiment of the application, the environmental temperature threshold is a temperature threshold for determining whether the environmental temperature in the vehicle is too high, and the environmental temperature threshold is greater than the charger temperature threshold. The environmental temperature threshold may be set to, for example, 30 ℃, 32 ℃, or the like, and may be specifically set according to actual needs, which is not limited in this application.
In some embodiments, it is determined that the real-time charger temperature is greater than the charger temperature threshold, and after the real-time ambient temperature and the historical charger temperature are obtained, it is desirable to determine whether the real-time charger temperature is greater than the ambient temperature threshold. If yes, further determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature and the environmental temperature threshold; if not, determining a heat dissipation mode according to the real-time charger temperature, the real-time environment temperature and the environment temperature threshold.
Specifically, when the real-time charger temperature is greater than the ambient temperature threshold, it is indicated that the temperature of the vehicle-mounted wireless charger is already relatively high at this time, and at this time, a heat dissipation mode with relatively good heat dissipation effect can be determined to be started according to the real-time charger temperature, the historical charger temperature and the ambient temperature threshold. When the temperature of the real-time charger is smaller than or equal to the ambient temperature threshold, the fact that the temperature of the vehicle-mounted wireless charger is still lower at the moment is indicated, and a heat dissipation mode with slightly worse heat dissipation effect can be determined to be started according to the temperature of the real-time charger, the real-time ambient temperature and the ambient temperature threshold.
Further, in the embodiment of the present application, at least two different heat dissipation modes are included. Alternatively, the heat dissipation modules corresponding to different heat dissipation modes may be different. Alternatively, the heat dissipation modules corresponding to different heat dissipation modes may be the same.
How to determine the heat dissipation mode according to the real-time charger temperature, the historical charger temperature and the environmental temperature threshold, and how to determine the heat dissipation mode according to the real-time charger temperature, the real-time environmental temperature and the environmental temperature threshold will be described in detail hereinafter, and will not be described in detail herein.
Step S140, a heat dissipation control instruction is sent to the corresponding heat dissipation module based on the heat dissipation mode.
In this embodiment of the application, the heat dissipation module is a module for dissipating heat of the vehicle-mounted wireless charger, and the heat dissipation control instruction is used for controlling the corresponding heat dissipation module to dissipate heat of the vehicle-mounted wireless charger according to the heat dissipation mode. One of the heat dissipation modes corresponds to one of the heat dissipation control instructions.
The temperature of the in-vehicle wireless charger described in the present application refers to the temperature of the charging coil of the in-vehicle wireless charger, and will not be explained later.
Specifically, after the heat dissipation mode is determined, the vehicle-mounted wireless charger generates a corresponding heat dissipation control instruction based on the determined heat dissipation mode, and sends the heat dissipation control instruction to a corresponding heat dissipation module, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the received heat dissipation control instruction.
In some embodiments, the heat dissipation module may be disposed on the vehicle-mounted wireless charger, on a vehicle electrically connected to the vehicle-mounted wireless charger, or on both the vehicle-mounted wireless charger and the vehicle.
In some embodiments, the heat dissipation module disposed on the vehicle-mounted wireless charger may be a fan, and the heat dissipation module disposed on the vehicle may be an air conditioner. Further, the heat dissipation modules may be provided with different heat dissipation levels. It should be noted that, specific positions, sizes and the like of the heat dissipation modules can be set according to needs in practical application, and the application is not limited to this.
In some embodiments, different heat dissipation modes may correspond to different heat dissipation modules, or may correspond to different heat dissipation levels of the same heat dissipation module.
In some embodiments, the in-vehicle wireless charger may further include a cradle, a controller, and the like. Wherein, the bracket can be made of plastic material, metal material and the like; the vehicle-mounted wireless charger is electrically connected with the vehicle, and then the specific setting position on the vehicle can be set at the position convenient for the heat dissipation of the heat dissipation module, and the vehicle-mounted wireless charger can be specifically set according to actual needs.
The embodiment of the application provides a vehicle-mounted wireless charger heat dissipation method, which comprises the steps of obtaining the real-time charger temperature at the current detection moment, and then obtaining the real-time environment temperature at the current detection moment and the historical charger temperature when the real-time charger temperature is larger than a charger temperature threshold value; and finally, a heat dissipation control instruction is sent to the corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction. Therefore, the temperature of the charging coil of the vehicle-mounted wireless charger in the charging process can be effectively ensured not to be too high, and the vehicle-mounted wireless charger can maintain higher charging efficiency for a long time; meanwhile, the influence of the temperature of the charging coil on the service life of the battery of the equipment to be charged caused by the overhigh temperature of the charging coil can be avoided.
Referring to fig. 2, fig. 2 illustrates another heat dissipation method of the vehicle-mounted wireless charger according to an embodiment of the present application, where the heat dissipation method may include steps S2010 to S2100. Specific:
step S2010, obtaining the temperature of the real-time charger at the current detection moment.
Step S2020, when the real-time charger temperature is greater than the charger temperature threshold, acquiring the real-time environment temperature at the current detection moment and acquiring the historical charger temperature.
The specific description of step S2010 to step S2020 refers to the aforementioned step S110 to step S120, and will not be repeated here.
Step S2030, determining whether the real-time charger temperature is greater than an ambient temperature threshold.
The specific description of step S2030 refers to step S130, and is not described herein.
In the embodiment of the present application, if it is determined that the real-time charger temperature is greater than the ambient temperature threshold, steps S2040 to S2060 are performed; if it is determined that the real-time charger temperature is less than or equal to the ambient temperature threshold, steps S2070 to S2090 are performed.
Step S2040, determining a charger temperature ratio according to the real-time charger temperature and the historical charger temperature.
It can be understood that when the equipment to be charged is charged, the charging speed is higher, and the temperature of the vehicle-mounted wireless charger is in the rising stage until the temperature reaches the highest value; after the battery charging proportion of the device to be charged reaches a certain threshold, the charging speed decreases until the charging is completed, and the temperature of the vehicle-mounted wireless charger at this stage decreases slowly.
In the embodiment of the application, the charger temperature ratio is used for indicating whether the charger temperature is in the rising stage or not. If the charger temperature ratio is smaller than 1, determining that the temperature of the vehicle-mounted wireless charger is in a falling stage, otherwise, considering that the temperature of the vehicle-mounted wireless charger is in an rising stage.
For example, if the charger temperature ratio is set to K1, the real-time charger temperature is set to a, and the historical charger temperature is set to B, k1=a/B.
As an embodiment, k1=a/B if the number of acquired historical charger temperatures is 1. As another embodiment, if the number of acquired historical charger temperatures is greater than 1, an average value of all the historical charger temperatures is determined, and if the average value is B, k1=a/B.
Step S2050, determining a first temperature difference according to the real-time charger temperature and the environmental temperature threshold.
In this embodiment of the present application, the first temperature difference is a difference between the real-time charger temperature and the ambient temperature threshold. Specifically, after the real-time charger temperature is obtained and the real-time charger temperature of the vehicle-mounted wireless charger is determined to be greater than the environmental temperature threshold, a difference between the real-time charger temperature and the environmental temperature threshold may be determined to obtain a first difference.
For example, let Δc1 be the first difference, a be the real-time charger temperature a, and the ambient temperature threshold be M, Δc1=a-M. It will be appreciated that the greater the first temperature difference, the higher the real-time charger temperature.
Step S2060, determining a heat dissipation mode according to the charger temperature ratio and the first temperature difference.
In this embodiment of the present application, after determining the charger temperature ratio and the first temperature difference, the corresponding heat dissipation mode may be determined according to the obtained charger temperature ratio and the first temperature difference.
In some embodiments, determining the heat dissipation mode from the charger temperature ratio and the first temperature difference may include:
(1) If the temperature ratio of the charger is less than or equal to 1 and the first temperature difference is greater than a first preset value, determining that the heat dissipation mode is a first mode;
(2) If the temperature ratio of the charger is smaller than or equal to 1 and the first temperature difference is smaller than or equal to a first preset value, determining that the heat dissipation mode is a second mode;
(3) If the temperature ratio of the charger is greater than 1 and the first temperature difference is smaller than a second preset value, determining that the heat dissipation mode is a second mode;
(4) If the temperature ratio of the charger is greater than 1 and the first temperature difference is greater than or equal to a second preset value, determining that the heat dissipation mode is a first mode.
In the embodiment of the present application, when it is determined that the temperature of the vehicle-mounted wireless charger is no longer increased (remains unchanged or decreases), that is, when it is determined that the charger temperature ratio is less than or equal to 1, it is necessary to further determine whether the first temperature is greater than a first preset value. If the heat dissipation mode is larger than the first mode, determining the heat dissipation mode to be started at the moment as the first mode; if the temperature is less than or equal to the preset temperature, determining that the heat dissipation mode which needs to be started at the moment is a second mode.
In the embodiment of the application, when it is determined that the temperature of the vehicle-mounted wireless charger rises, that is, it is determined that the charger temperature ratio is greater than 1, it is necessary to further determine whether the first temperature is less than the second preset value. If the temperature is less than the preset temperature, determining a heat dissipation mode to be started at the moment as a second mode; if the heat dissipation mode is greater than or equal to the first mode, determining the heat dissipation mode to be started at the moment as the first mode. The heat dissipation effect of the first mode is larger than that of the second mode, and the first preset value is larger than the second preset value.
It can be understood that when the charger temperature ratio is less than or equal to 1, if the first temperature difference is less than or equal to the first preset value and greater than or equal to the second preset value, the temperature of the vehicle-mounted wireless charger is still higher at this time, but the temperature of the vehicle-mounted wireless charger will not continue to rise, so that the heat dissipation by using the second mode can completely meet the requirement. When the temperature ratio of the charger is greater than 1, if the first temperature difference is smaller than or equal to the first preset value and greater than or equal to the second preset value, the charger temperature is continuously increased, so that the first mode is required to be set for heat dissipation in order to avoid the subsequent sudden increase of the charger temperature.
By way of example, assume that the charger temperature threshold is 18 ℃, the real-time ambient temperature is 32 ℃, the ambient temperature threshold is 30 ℃, the first preset value is 7 ℃, and the second preset value is 5 ℃. When the historical charger temperature is 38 ℃ and the real-time charger temperature is 35 ℃, the charger temperature ratio is smaller than 1, the first temperature difference is 5 ℃, the first temperature difference is smaller than a first preset value, and the heat dissipation mode is a second mode. When the historical charger temperature is 34 ℃ and the real-time charger temperature is 35 ℃, the charger temperature ratio is greater than 1, the first temperature difference is 5 ℃, the first temperature difference is equal to the second preset value, and the heat dissipation mode is the first mode.
Referring to table 1, table 1 shows how the heat dissipation mode is determined based on the charger temperature ratio and the first temperature difference when the real-time charger temperature is greater than the ambient temperature threshold. The charger temperature ratio is K1, the first temperature difference is delta C1, the first preset value is X, and the second preset value is Y.
TABLE 1
And S2070, determining an ambient temperature ratio according to the real-time ambient temperature and the ambient temperature threshold.
In an embodiment of the present application, the ambient temperature ratio is used to indicate whether the real-time ambient temperature is greater than an ambient temperature threshold. If the environmental temperature ratio is less than 1, determining that the real-time environmental temperature is less than an environmental temperature threshold; if the environmental temperature threshold is greater than or equal to 1, determining that the real-time environmental temperature is greater than the environmental temperature threshold, and at the moment, the environmental temperature in the vehicle is in a higher state.
For example, let K2 be the ambient temperature ratio, M be the real-time ambient temperature, and N be the ambient temperature threshold, k2=m/N.
And step S2080, determining a second temperature difference according to the environmental temperature threshold and the real-time charger temperature.
In this embodiment, the second temperature difference is a difference between the ambient temperature threshold and the real-time charger temperature. Specifically, after the real-time charger temperature is obtained and the real-time charger temperature of the vehicle-mounted wireless charger is determined to be less than or equal to the ambient temperature threshold, a difference between the ambient temperature threshold and the real-time charger temperature may be determined to obtain a second difference.
forexample,letΔc1=m-abetheseconddifferencebeΔc2,thereal-timechargertemperaturebea,andtheambienttemperaturethresholdbeM. It will be appreciated that the greater the first temperature difference, the lower the real-time charger temperature.
Step S2090, determining the heat dissipation mode according to the ambient temperature ratio and the second temperature difference.
In this embodiment of the present application, after determining the ambient temperature ratio and the second temperature difference, the corresponding heat dissipation mode may be determined according to the obtained ambient temperature ratio and the second temperature difference.
In some embodiments, determining the heat dissipation mode from the ambient temperature ratio and the second temperature difference may include:
(1) If the ambient temperature ratio is greater than or equal to 1, determining that the heat dissipation mode is a second mode;
(2) If the environmental temperature ratio is smaller than 1 and the second temperature difference is not larger than a third preset value, determining that the heat dissipation mode is a second mode;
(3) If the ambient temperature ratio is less than 1 and the second temperature difference is greater than a third preset value, determining that the heat dissipation mode is a third mode.
In the embodiment of the application, when it is determined that the real-time ambient temperature is greater than or equal to the ambient temperature threshold, that is, the ambient temperature ratio is greater than or equal to 1, the heat dissipation mode is the second mode no matter how much the ambient temperature threshold and the real-time charger temperature differ.
In the embodiment of the present application, when it is determined that the real-time ambient temperature is less than the ambient temperature threshold, that is, the ambient temperature ratio is less than 1, it is further determined whether the second temperature is greater than a third preset value. If the heat dissipation mode is smaller than or equal to the first mode, determining that the heat dissipation mode to be started at the moment is a second mode; if the temperature is higher than the preset temperature, determining that the heat dissipation mode which needs to be started at the moment is a third mode.
The heat dissipation effect of the second mode is larger than that of the third mode.
Referring to table 2, table 2 shows how the heat dissipation mode is determined based on the ambient temperature ratio and the second temperature difference when the real-time charger temperature is less than or equal to the ambient temperature threshold, as one embodiment. Wherein the ambient temperature ratio is K2, the second temperature difference is DeltaC 2, and the third preset value is Z.
TABLE 2
In some embodiments, the heat dissipation modules corresponding to the second mode and the third mode are the same, for example, the heat dissipation modules may be air conditioners or fans. In other embodiments, the heat dissipation modules corresponding to the second module and the third module may be different, for example, the heat dissipation module corresponding to the second module is an air conditioner, and the heat dissipation module corresponding to the third module is a fan.
Further, in some embodiments, the heat dissipation modules corresponding to the first mode, the second mode, and the third mode may be the same or different.
Optionally, when the heat dissipation modules corresponding to the first mode, the second mode and the third mode are the same, the heat dissipation module may be an air conditioner disposed on a vehicle electrically connected to the vehicle-mounted wireless charger, or may be a fan disposed on the vehicle-mounted wireless charger. At this time, the first mode, the second mode and the third mode respectively correspond to different heat dissipation wind speeds of the heat dissipation module, namely respectively correspond to different wind speeds of the fan or respectively correspond to different wind speeds when the air conditioner has the same refrigeration temperature. It can be understood that the wind speed corresponding to the first mode is greater than the wind speed corresponding to the second mode is greater than the wind speed corresponding to the third mode.
Further, in some embodiments, when the heat dissipation modules corresponding to the first mode, the second mode and the third mode are all air conditioners, the first mode, the second mode and the third mode may also respectively correspond to different temperatures when the air conditioners are used for cooling. It will be appreciated that the air conditioning temperatures corresponding to the first mode, the second mode and the third mode are sequentially increased at this time. For example: the first mode is 16℃for cooling, the second mode is 20℃for cooling, and the third mode is 25℃for cooling.
Alternatively, when the heat dissipation modules corresponding to the first mode, the second mode, and the third mode are different, the heat dissipation modules may include both an air conditioner provided on a vehicle electrically connected to the vehicle-mounted wireless charger, and a fan provided on the vehicle-mounted wireless charger. At this time, there are two heat dissipation modes corresponding to the same heat dissipation, for example, the first mode and the second mode are the same, or the second mode and the third mode are the same.
As an embodiment, when the heat dissipation modules corresponding to the first mode and the second mode are the same, the heat dissipation module corresponding to the first mode and the second mode may be an air conditioner provided on a vehicle electrically connected to the in-vehicle wireless charger, and the third mode may be a fan provided on the in-vehicle wireless charger. At this time, the first mode and the second mode may correspond to different wind speeds when the air conditioner is at the same cooling temperature, or correspond to different temperatures when the air conditioner is cooling, respectively. When the temperature of the air conditioner is different from the temperature of the air conditioner in refrigeration, the air conditioner refrigeration temperature in the first mode is lower than the air conditioner refrigeration temperature in the second mode.
As another embodiment, when the heat dissipation modules corresponding to the second mode and the third mode are the same, the heat dissipation module corresponding to the second mode and the third mode may be a fan provided on the vehicle-mounted wireless charger, and the heat dissipation module corresponding to the first mode may be an air conditioner provided on a vehicle electrically connected to the vehicle-mounted wireless charger. At this time, the second mode and the third mode may correspond to different wind speeds of the fan, and the wind speed corresponding to the second mode is higher than the wind speed corresponding to the third mode.
Step S2100, a heat dissipation control instruction is sent to the corresponding heat dissipation module based on the heat dissipation mode.
The specific description of step S2100 is referred to the aforementioned step S140, and will not be repeated here.
In the embodiment of the application, the vehicle-mounted wireless charger may further include a heat dissipation mode determining unit and a transmitting unit. The heat dissipation mode determining unit may be configured to determine a specific heat dissipation mode; the sending unit can be used for generating a heat dissipation control instruction according to the heat dissipation mode and sending the heat dissipation control instruction to the corresponding heat dissipation module.
In some embodiments, when the corresponding heat dissipation module is a fan disposed on the vehicle-mounted wireless charger, the sending unit generates a heat dissipation control instruction, and then sends the heat dissipation control instruction to the first controller on the vehicle-mounted wireless charger, and the first controller controls the fan according to the received heat dissipation control instruction. The first controller can control the opening and closing of the fan and can also control the wind speed of the fan.
In some embodiments, when the corresponding heat dissipation module is an air conditioner disposed on a vehicle electrically connected to the vehicle-mounted wireless charger, the transmitting unit generates a heat dissipation control instruction, and then transmits the heat dissipation control instruction to the first controller on the vehicle-mounted wireless charger, the first controller transmits the heat dissipation control instruction to the second controller on the vehicle, and finally the second controller controls the air conditioner according to the received heat dissipation control instruction. The second controller can control the opening and closing of the air conditioner, and can also control the mode, the wind speed, the temperature and the like of the air conditioner. The air conditioning mode may include, but is not limited to, a cooling mode, a heating mode, a ventilation mode, and the like.
The embodiment of the application provides a vehicle-mounted wireless charger heat dissipation method, which comprises the steps of obtaining the real-time charger temperature at the current detection moment, and then determining whether the real-time charger temperature is greater than an environment temperature threshold value when the real-time charger temperature is greater than the charger temperature threshold value. If the real-time charger temperature is greater than the environmental temperature threshold, determining a charger temperature ratio according to the real-time charger temperature and the historical charger temperature, determining a first temperature difference according to the real-time charger temperature and the environmental temperature threshold, and determining a heat dissipation mode according to the charger temperature ratio and the first temperature difference. If the temperature of the real-time charger is smaller than or equal to the ambient temperature threshold, determining an ambient temperature ratio according to the real-time ambient temperature and the ambient temperature threshold, determining a second temperature difference according to the ambient temperature threshold and the real-time charger temperature, and determining a heat dissipation mode according to the ambient temperature ratio and the second temperature difference. And finally, transmitting a heat dissipation control instruction to the corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction. Therefore, how the vehicle-mounted wireless charger effectively and energy-effectively dissipates heat in different scenes can be determined, and the vehicle-mounted wireless charger can maintain high charging efficiency for a long time; meanwhile, the influence of the temperature of the charging coil on the service life of the battery of the equipment to be charged caused by the overhigh temperature of the charging coil can be avoided.
Referring to fig. 3, fig. 3 illustrates another heat dissipation method of the vehicle-mounted wireless charger provided in the present application, and the method may include steps S310 to S370. Specifically:
step S310, acquiring a real-time communication message.
In the embodiment of the application, the real-time communication message is a real-time communication message in the charging process of the equipment to be charged by using the vehicle-mounted wireless charger. Specifically, after the equipment to be charged is determined to be charged by using the vehicle-mounted wireless charger, the vehicle-mounted wireless charger can acquire real-time communication messages between the equipment to be charged and the vehicle-mounted wireless charger in real time.
In some embodiments, the communication message can be transmitted between the vehicle-mounted wireless charger and the device to be charged in a wireless communication mode. For example, the transmission may be via bluetooth or via WiFi.
Step 320, determining the real-time state of the device to be charged according to the real-time communication message.
In the embodiment of the present application, the real-time state includes a standby state and a non-standby state. It can be appreciated that, during the charging process of the device to be charged, if the device to be charged is still in a non-standby state (e.g. playing games, watching videos, navigating routes, etc.), the heat emitted by the device to be charged is larger.
Specifically, after determining that the device to be charged is charged by using the vehicle-mounted wireless charger and acquiring a real-time communication message between the device to be charged and the vehicle-mounted wireless charger, the vehicle-mounted wireless charger can determine the real-time state of the device to be charged according to a state field in the real-time communication message.
In some embodiments, the real-time communication message may further include a type field to characterize a device type of the device to be charged. Specifically, the device types may include mobile terminals and non-mobile terminals. The mobile terminal may be, for example, a cell phone, tablet, etc., and the non-mobile terminal may be, for example, a headset, watch, etc.
Step S330, the temperature of the real-time charger at the current detection moment is obtained.
And step 340, when the real-time charger temperature is greater than the charger temperature threshold, acquiring the real-time environment temperature at the current detection moment and acquiring the historical charger temperature.
And S350, determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature, the environmental temperature threshold and the real-time environmental temperature.
The specific description of step S330 to step S350 refers to the aforementioned step S110 to step S130, and will not be repeated here.
Step S360, determining a target heat dissipation mode according to the heat dissipation mode and the real-time state.
In the embodiment of the application, after determining that the to-be-charged device is being charged by using the vehicle-mounted wireless charger and that the real-time charger temperature is greater than the charger temperature threshold, and acquiring the heat dissipation mode of the vehicle-mounted wireless charger and the real-time state of the to-be-charged device, the final target heat dissipation mode can be determined according to the heat dissipation mode and the real-time state. The determined heat dissipation mode is a heat dissipation mode when the equipment to be charged is in a standby state.
In some embodiments, when the device to be charged is in a non-standby state during charging, since the heating capability of the device to be charged is stronger, in order to ensure that the battery temperature of the device to be charged is not too high, which results in a decrease in the battery health thereof, and also in order to ensure that the charging coil temperature of the vehicle-mounted wireless charger is not too high, which results in a decrease in the charging efficiency, it is necessary to start a target heat dissipation mode that has a better heat dissipation effect than the determined heat dissipation mode. Therefore, when the equipment to be charged is in a non-standby state in the charging process, the heat dissipation effect of the target heat dissipation mode is larger than that of the heat dissipation mode.
Optionally, when the heat dissipation module corresponding to the heat dissipation mode is a fan, the heat dissipation module corresponding to the target heat dissipation mode may be a fan or an air conditioner. Specifically, if the heat dissipation module corresponding to the target heat dissipation mode is a fan, the fan wind speed in the target heat dissipation mode is greater than the fan wind speed in the heat dissipation mode; if the heat dissipation module corresponding to the target heat dissipation mode is an air conditioner, the air conditioner in the target heat dissipation mode is in a refrigeration mode.
Optionally, when the heat dissipation module corresponding to the heat dissipation mode is an air conditioner in the refrigeration mode, the heat dissipation module corresponding to the target heat dissipation mode is also an air conditioner in the refrigeration mode, and the temperature of the air conditioner corresponding to the target heat dissipation mode is lower than that of the air conditioner corresponding to the heat dissipation mode.
It will be appreciated that the fan is a heat dissipation module provided on the vehicle-mounted wireless charger, and the air conditioner is a heat dissipation module provided on a vehicle electrically connected to the vehicle-mounted wireless charger.
In some embodiments, if the device to be charged is in a standby state during charging, the heat dissipation mode determined according to the real-time charger temperature, the historical charger temperature, the ambient temperature threshold, and the real-time ambient temperature is the target heat dissipation mode.
Step S370, a heat dissipation control instruction is sent to the corresponding heat dissipation module based on the target heat dissipation mode.
In the embodiment of the application, after the target heat dissipation mode is determined, the vehicle-mounted wireless charger can generate the corresponding heat dissipation control instruction according to the target heat dissipation mode, and then the generated heat dissipation control instruction is sent to the corresponding heat dissipation module, so that the heat dissipation module can dissipate heat of the vehicle-mounted wireless charger according to the received heat dissipation control instruction.
The further embodiment of the application provides a vehicle-mounted wireless charger heat dissipation method, which comprises the steps of obtaining a real-time communication message, and then determining the real-time state of equipment to be charged according to the real-time communication message; acquiring the real-time charger temperature at the current detection moment, and acquiring the real-time environment temperature at the current detection moment and the historical charger temperature when the real-time charger temperature is larger than the charger temperature threshold value; then determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature, the environmental temperature threshold and the real-time environmental temperature; and finally, determining a target heat dissipation mode according to the heat dissipation mode and the real-time state, and then sending a heat dissipation control instruction to the corresponding heat dissipation module based on the target heat dissipation mode so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction. Therefore, the corresponding heat dissipation mode is determined according to the real-time state of the equipment to be charged and the heating condition of the charging coil of the vehicle-mounted wireless charger, so that the fact that the temperature of the charging coil of the vehicle-mounted wireless charger is not too high in the charging process is effectively ensured, the vehicle-mounted wireless charger can maintain higher charging efficiency for a long time is ensured, and the situation that the service life of a battery is influenced due to the fact that the temperature of the battery is too high due to the fact that the equipment to be charged is in a charging process and is in a non-standby state is effectively avoided.
Referring to fig. 4, fig. 4 shows a vehicle-mounted wireless charger heat dissipation device 100 according to the present application, which includes: a first acquisition unit 110, a second acquisition unit 120, a heat radiation pattern determination unit 130, and a transmission unit 140. Specifically:
a first obtaining unit 110, configured to obtain a real-time charger temperature at a current detection time;
a second obtaining unit 120, configured to obtain a real-time ambient temperature at a current detection time and obtain a historical charger temperature when the real-time charger temperature is greater than a charger temperature threshold; wherein the number of the acquired historical charger temperatures is not less than 1;
a heat radiation mode determining unit 130 for determining a heat radiation mode according to the real-time charger temperature, the historical charger temperature, the ambient temperature threshold and the real-time ambient temperature; wherein the ambient temperature threshold is greater than the charger temperature threshold;
and the sending unit 140 is configured to send a heat dissipation control instruction to the corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. For the apparatus class embodiments, the description is relatively simple as it is substantially similar to the method embodiments, and reference is made to the description of the method embodiments for relevant points. Any of the described processing manners in the method embodiment may be implemented by a corresponding processing module in the device embodiment, which is not described in detail in the device embodiment.
Referring to fig. 5, fig. 5 illustrates an electronic device 200 according to an embodiment of the present application, where the electronic device 200 may be an on-vehicle wireless charger. The electronic device 200 in the present application may include one or more of the following components: a processor 210, a memory 220, and one or more application programs, wherein the one or more application programs may be stored in the memory 220 and configured to be executed by the one or more processors 210, the one or more program(s) configured to perform the method as described in the foregoing method embodiments.
Processor 210 may include one or more processing cores. The processor 210 utilizes various interfaces and lines to connect various portions of the overall electronic device 200, perform various functions of the electronic device 200, and process data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 220, and invoking data stored in the memory 220. Alternatively, the processor 210 may be implemented in hardware in at least one of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 510 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem, etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for being responsible for rendering and drawing of display content; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 210 and may be implemented solely by a single communication chip.
The Memory 220 may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (Read-Only Memory). Memory 220 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 220 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (e.g., a temperature acquisition function, a calculation function, a judgment function, etc.), instructions for implementing various method embodiments described below, and the like. The storage data area may also store data created by the electronic device 200 in use (such as charger temperature, ambient temperature, etc.), and so forth.
Referring to fig. 6, fig. 6 is a block diagram illustrating a computer readable storage medium according to an embodiment of the present application. The computer readable medium 300 has stored therein program code which can be invoked by a processor to perform the methods described in the method embodiments described above.
The computer readable storage medium 300 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Optionally, the computer readable storage medium 300 comprises a non-volatile computer readable medium (non-transitory computer-readable storage medium). The computer readable storage medium 300 has storage space for program code 310 that performs any of the method steps described above. The program code can be read from or written to one or more computer program products. Program code 310 may be compressed, for example, in a suitable form.
According to the vehicle-mounted wireless charger heat dissipation method, device, electronic equipment and storage medium, the real-time charger temperature at the current detection moment is obtained, and then when the real-time charger temperature is larger than the charger temperature threshold value, the real-time environment temperature at the current detection moment is obtained, and the historical charger temperature is obtained; and finally, a heat dissipation control instruction is sent to the corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction. Therefore, the temperature of the charging coil of the vehicle-mounted wireless charger in the charging process can be effectively ensured not to be too high, and the vehicle-mounted wireless charger can maintain higher charging efficiency for a long time; meanwhile, the influence of the temperature of the charging coil on the service life of the battery of the equipment to be charged caused by the overhigh temperature of the charging coil can be avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A method for dissipating heat from a vehicle-mounted wireless charger, the method comprising:
acquiring the temperature of a real-time charger at the current detection moment;
when the real-time charger temperature is larger than a charger temperature threshold, acquiring the real-time environment temperature at the current detection moment and acquiring the historical charger temperature; wherein the number of the acquired historical charger temperatures is not less than 1;
determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature, an ambient temperature threshold and the real-time ambient temperature; wherein the ambient temperature threshold is greater than the charger temperature threshold;
and sending a heat dissipation control instruction to a corresponding heat dissipation module based on the heat dissipation mode, so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction.
2. The method of claim 1, wherein said determining a heat dissipation pattern from said real-time charger temperature, said historical charger temperature, an ambient temperature threshold, and said real-time ambient temperature comprises:
determining whether the real-time charger temperature is greater than an ambient temperature threshold;
if yes, determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature and the environmental temperature threshold;
If not, determining a heat dissipation mode according to the real-time charger temperature, the real-time environment temperature and the environment temperature threshold.
3. The method of claim 2, wherein the determining a heat dissipation pattern from the real-time charger temperature, the historical charger temperature, and the ambient temperature threshold comprises:
determining a charger temperature ratio based on the real-time charger temperature and the historical charger temperature;
determining a first temperature difference according to the real-time charger temperature and the environmental temperature threshold;
and determining a heat dissipation mode according to the charger temperature ratio and the first temperature difference.
4. The method of claim 3, wherein said determining a heat dissipation pattern from said charger temperature ratio and said first temperature difference comprises:
if the temperature ratio of the charger is smaller than or equal to 1 and the first temperature difference is larger than a first preset value, determining that the heat dissipation mode is a first mode;
if the temperature ratio of the charger is smaller than or equal to 1 and the first temperature difference is smaller than or equal to a first preset value, determining that the heat dissipation mode is a second mode;
if the temperature ratio of the charger is greater than 1 and the first temperature difference is smaller than a second preset value, determining that the heat dissipation mode is a second mode; wherein the first preset value is greater than the second preset value;
And if the temperature ratio of the charger is greater than 1 and the first temperature difference is greater than or equal to a second preset value, determining that the heat dissipation mode is a first mode.
5. The method of claim 3, wherein determining a heat dissipation pattern from the real-time charger temperature, the real-time ambient temperature, and the ambient temperature threshold comprises:
determining an ambient temperature ratio according to the real-time ambient temperature and an ambient temperature threshold;
determining a second temperature difference according to the ambient temperature threshold and the real-time charger temperature;
and determining a heat dissipation mode according to the ambient temperature ratio and the second temperature difference.
6. The method of claim 5, wherein said determining a heat dissipation pattern from said ambient temperature ratio and said second temperature difference comprises:
if the ambient temperature ratio is greater than or equal to 1, determining that the heat dissipation mode is a second mode;
if the ambient temperature ratio is smaller than 1 and the second temperature difference is not larger than a third preset value, determining that the heat dissipation mode is a second mode;
if the ambient temperature ratio is smaller than 1 and the second temperature difference is larger than a third preset value, determining that the heat dissipation mode is a third mode; and the heat dissipation modules corresponding to the second mode and the third mode are the same.
7. The method according to any one of claims 1-6, further comprising:
acquiring a real-time communication message;
determining the real-time state of the equipment to be charged according to the real-time communication message;
the sending a heat dissipation control instruction to a corresponding heat dissipation module based on the heat dissipation mode includes:
determining a target heat dissipation mode according to the heat dissipation mode and the real-time state;
and sending a heat dissipation control instruction to the corresponding heat dissipation module based on the target heat dissipation mode.
8. A vehicle-mounted wireless charger heat dissipation device, the device comprising:
the first acquisition unit is used for acquiring the temperature of the real-time charger at the current detection moment;
the second acquisition unit is used for acquiring the real-time environment temperature at the current detection moment and acquiring the historical charger temperature when the real-time charger temperature is greater than the charger temperature threshold value; wherein the number of the acquired historical charger temperatures is not less than 1;
the heat dissipation mode determining unit is used for determining a heat dissipation mode according to the real-time charger temperature, the historical charger temperature, an environment temperature threshold value and the real-time environment temperature; wherein the ambient temperature threshold is greater than the charger temperature threshold;
And the sending unit is used for sending a heat dissipation control instruction to the corresponding heat dissipation module based on the heat dissipation mode so that the heat dissipation module dissipates heat of the vehicle-mounted wireless charger according to the heat dissipation control instruction.
9. An electronic device, comprising: one or more processors; a memory; one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to perform the method of any of claims 1-6 or claim 7.
10. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a program code, which is callable by a processor for performing the method according to any one of claims 1-6 or claim 7.
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