Temperature monitoring device and method of wireless charger and wireless charger

Abstract

The application provides a temperature monitoring device and method of a wireless charger and the wireless charger, and comprises a data acquisition module for acquiring temperature data of key heating parts of the wireless charger, real-time electric parameters of corresponding areas of the temperature data and real-time heat dissipation parameters of heat dissipation devices; a microcontroller is used for judging whether abnormal heat dissipation conditions exist in each key heating part based on the temperature data, if the abnormal heat dissipation conditions exist, generating a heat dissipation regulation strategy based on the current temperature of the key heating part with abnormal heat dissipation, in combination with the current electric parameters and the current heat dissipation parameters of the heat dissipation devices; a heat dissipation control module is used for regulating and controlling the electric parameters of corresponding positions of the wireless charger and the heat dissipation parameters of the heat dissipation devices in the wireless charger based on the heat dissipation regulation strategy; and a wireless communication module is used for sending the temperature data and temperature regulation data of the wireless charger to an APP end for display, so that the application realizes accurate monitoring and effective control of the temperature of the wireless charger, and improves the safety and efficiency of wireless charging.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wireless charger temperature monitoring, in particular to a wireless charger temperature monitoring device and method, and a wireless charger. BACKGROUND

[0002] With the wide application of wireless charging technology, wireless chargers generate heat when charging electronic devices due to electromagnetic induction and other reasons. If the temperature of the wireless charger is too high, it will not only reduce the charging efficiency, but also cause damage to the charger itself and the battery of the charged device, and even pose a safety hazard. Currently, existing wireless chargers have many shortcomings in temperature monitoring, such as low monitoring accuracy, slow response speed, and inability to timely and effectively adjust and control the temperature, making it difficult to meet the growing demand for wireless charging safety and efficiency. SUMMARY

[0003] The present application provides a wireless charger temperature monitoring device and method, and a wireless charger, to solve the problems of low monitoring accuracy and slow response speed of wireless chargers in the prior art, and to achieve accurate monitoring and effective control of the temperature of the wireless charger, improving the safety and efficiency of wireless charging.

[0004] The present application provides a wireless charger temperature monitoring device, characterized by comprising:

[0005] A data acquisition module for acquiring temperature data of key heat-generating parts of the wireless charger, real-time electrical parameters of the corresponding area, and real-time heat dissipation parameters of the heat dissipation device;

[0006] A microcontroller for determining whether there is a heat dissipation abnormality in each key heat-generating part based on the temperature data, and if there is, generating a heat dissipation control strategy based on the current temperature of the heat dissipation abnormal heat-generating part, in combination with the current electrical parameters and the current heat dissipation parameters of the heat dissipation device;

[0007] A heat dissipation control module for controlling the electrical parameters of the corresponding position of the wireless charger and the heat dissipation parameters of the heat dissipation device in the wireless charger based on the heat dissipation control strategy;

[0008] A wireless communication module for sending the temperature data and temperature control data of the wireless charger to the APP end for display using wireless communication technology.

[0009] Preferably, in a wireless charger temperature monitoring device, the data acquisition module comprises:

[0010] A temperature data acquisition unit for real-time acquisition of temperature data of each key heat-generating part based on temperature sensors distributed in key heat-generating parts of the wireless charger;

[0011] An electric power data acquisition unit is configured to acquire real-time electric parameters of coils in an effective area corresponding to each heat-generating key part;

[0012] A heat dissipation data acquisition unit is configured to acquire real-time heat dissipation parameters of a heat dissipation device;

[0013] A data conversion unit is configured to send, after digital processing, temperature data, real-time electric parameters and real-time heat dissipation parameters to a microcontroller.

[0014] Preferably, in a temperature monitoring device of a wireless charger, the microcontroller comprises:

[0015] A data analysis unit is configured to analyze digital signals to obtain current temperature, current electric parameters of each heat-generating key part of the wireless charger and current heat dissipation parameters of the heat dissipation device;

[0016] An abnormality monitoring unit is configured to compare the current temperature of each heat-generating key part with a preset temperature threshold, respectively, and determine that the heat-generating key part is abnormal when the current temperature of the heat-generating key part is greater than or equal to the preset temperature threshold;

[0017] An intelligent control unit is configured to obtain current electric parameters of each coil in an effective area corresponding to the heat-generating key part with abnormal heat dissipation and preset material parameters;

[0018] Based on the current electric parameters and the preset material parameters, the heat generation efficiency of the coil in the effective area is determined, and based on the heat generation efficiency, the heat dissipation control strategy of the coil in the effective area is determined in combination with the current temperature and electronic device feedback data.

[0019] Preferably, in a temperature monitoring device of a wireless charger, the intelligent control unit comprises:

[0020] A data feedback subunit is configured to send charging feedback information to be fed back to an electronic device in an effective area corresponding to the heat-generating key part with abnormal heat dissipation, obtain a feedback signal, analyze the feedback signal to determine default charging setting data, and determine an adjustable range of charging parameters of the electronic device based on the default charging setting data;

[0021] A strategy generation subunit is configured to generate a maximum heat dissipation control instruction when it is determined that there is a heat-generating key part with abnormal heat dissipation, and send the maximum heat dissipation control instruction to a heat dissipation control module to adjust the heat dissipation parameters of the heat dissipation device to a maximum value;

[0022] Based on the current temperature data, the accumulated heat of the heat-generating key part with abnormal heat dissipation is determined, and based on the joint correlation relationship, the heat dissipation efficiency of the heat dissipation device is determined when the heat dissipation parameters of the heat dissipation device are at a maximum value in combination with the current heat dissipation efficiency;

[0023] Based on the heat dissipation efficiency and the accumulated heat under the current environmental parameters, the coil heat generation amount corresponding to the normal heat dissipation of the heat generation key position is combined to obtain a heat dissipation difference, and based on the heat dissipation difference, the optimal charging parameter of the electronic device is determined in combination with the adjustable range of the charging parameter of the electronic device.

[0024] According to the heat dissipation efficiency in the maximum state and the actual heat generation amount of the wireless charger, the optimal charging parameter retention time is predicted, and a heat dissipation regulation strategy is generated.

[0025] Preferably, in a wireless charger temperature monitoring device, the strategy generation subunit comprises:

[0026] The heat dissipation device efficiency determination subunit is configured to obtain historical working data of a built-in heat dissipation device of the wireless charger, and classify the historical working data based on environmental parameters to obtain a plurality of first historical working data groups.

[0027] According to the preset working parameter grading result of the heat dissipation device, the data in the plurality of first historical working data groups are marked with working levels respectively to obtain second historical working data groups.

[0028] The historical working parameters in each second historical working data group that are the same or have a difference within a preset range are aligned, and the historical actual temperature change data of the heat generation key position corresponding to each historical working parameter and the corresponding working time are obtained respectively and are aligned synchronously.

[0029] According to the alignment result, the cooling efficiency corresponding to different starting point temperatures under the same environmental parameters is obtained, and the preset working parameters corresponding to different starting point temperatures are determined.

[0030] Based on the preset working parameters, the data in the second historical working data groups are clustered to obtain a plurality of first clustering data sets, and the data in the first clustering data sets are compared to obtain a first correlation relationship between the starting point temperature and the cooling efficiency.

[0031] Based on the starting point temperature, the data in the second working data groups are clustered to obtain a plurality of second clustering data sets, and the data in the second clustering data sets are compared to obtain a second correlation relationship between the starting point temperature and the cooling efficiency.

[0032] Based on the first correlation relationship and the second correlation relationship, a joint correlation relationship is generated.

[0033] Based on the current temperature data, the current heat dissipation efficiency of the heat dissipation device corresponding to the heat dissipation parameter is determined, and the heat dissipation parameter of the heat dissipation device in the maximum state is determined in combination with the joint correlation relationship.

[0034] Preferably, in a wireless charger temperature monitoring device, the heat dissipation control module comprises:

[0035] The power adjustment strategy generation subunit is configured to determine a charging adjustable thermal power range based on a current change in the charging parameter adjustable range and in combination with preset material parameters;

[0036] The quotient of the heat dissipation difference and the difference between the upper and lower limits of the charging adjustable thermal power range is obtained as a power adjustment index. When the power adjustment index is greater than a preset threshold, the charging current value corresponding to the lower limit of the charging adjustable power is taken as the optimal charging current. In combination with the default charging setting data of the electronic device, the optimal charging voltage corresponding to the optimal charging current in the charging process of the electronic device is determined, and the optimal charging voltage is taken as the optimal charging parameter.

[0037] Otherwise, based on the current electric parameter, in combination with the default charging setting data of the electronic device, the electric parameter change amplitude of the secondary state corresponding to the current charging state of the electronic device is determined. Based on the electric parameter change amplitude, in combination with the preset material parameters, the thermal power change amplitude of the coil is determined.

[0038] The thermal power change amplitude of the coil is compared with the heat dissipation difference to obtain a heat difference value. When the heat difference value is greater than zero and exceeds a preset range, the charging current value corresponding to the lower limit of the charging adjustable power is taken as the optimal charging current. In combination with the default charging setting data of the electronic device, the optimal charging voltage corresponding to the optimal charging current in the charging process of the electronic device is determined, and the optimal charging voltage is taken as the optimal charging parameter.

[0039] When the heat difference value is within the preset range, the electric parameter corresponding to the secondary state corresponding to the current charging state is taken as the optimal electric parameter.

[0040] Otherwise, the current electric parameter is kept unchanged.

[0041] Preferably, in a temperature monitoring device of a wireless charger, the strategy generation subunit comprises:

[0042] The optimal charging parameter is obtained, the regulated heat generation efficiency of the coil inside the wireless charger is predicted in combination with the preset material parameters, and the efficiency difference is obtained based on the heat generation efficiency and the heat dissipation efficiency of the heat dissipation device in the maximum state.

[0043] Based on the accumulated heat and the efficiency difference, the parameter retention time is calculated, and it is judged whether the parameter retention time is greater than a preset maximum retention time. If yes, the preset maximum retention time is taken as the optimal charging parameter retention time.

[0044] Otherwise, the parameter retention time is taken as the optimal charging parameter retention time.

[0045] Preferably, in a temperature monitoring device of a wireless charger, the wireless communication module comprises:

[0046] An interaction unit is configured to receive the charging device information of the user and adjust the charging parameters of the wireless charger according to the charging device information.

[0047] A display unit is configured to send the temperature data and the temperature regulation data of the wireless charger to an APP terminal for display by using a wireless communication technology.

[0048] The application provides a temperature monitoring method applied to the temperature monitoring device of the wireless charger.

[0049] The temperature data of the key heating parts of the wireless charger, the real-time electric parameters of the corresponding areas and the real-time heat dissipation parameters of the heat dissipation devices are collected.

[0050] Based on the temperature data, it is determined whether the heat dissipation of each key heating part is abnormal, and if so, based on the current temperature of the heat dissipation abnormal key heating part, the current electric parameters and the current heat dissipation parameters of the heat dissipation devices, a heat dissipation regulation strategy is generated.

[0051] Based on the heat dissipation regulation strategy, the electric parameters of the corresponding positions of the wireless charger and the heat dissipation parameters of the heat dissipation devices in the wireless charger are regulated.

[0052] The temperature data and the temperature regulation data of the wireless charger are sent to an APP terminal for display by using a wireless communication technology.

[0053] The application provides a wireless charger comprising the temperature monitoring device.

[0054] Compared with the prior art, the application has at least the following beneficial effects:

[0055] The application realizes multi-dimensional data acquisition by collecting not only temperature data but also real-time electric parameters of the corresponding area and real-time heat dissipation parameters of the heat dissipation device, which is conducive to comprehensively mastering the working state of the wireless charger and greatly improves the accuracy and reliability of temperature monitoring. Then, the microcontroller judges heat dissipation abnormalities based on multi-source data and generates a heat dissipation control strategy in combination with the current temperature, electric parameters and heat dissipation parameters of the abnormal part, so as to formulate a more reasonable and effective heat dissipation scheme for different abnormal conditions, avoid extensive control of "one size fits all", significantly improve the heat dissipation efficiency, ensure the stable operation of the wireless charger under various complex working conditions, and prolong the service life of the equipment. Then, the heat dissipation control module regulates the electric parameters and heat dissipation parameters of the heat dissipation device at the corresponding position of the wireless charger according to the heat dissipation control strategy, which can reduce heat generation by reducing electric parameters or accelerate heat dissipation by adjusting heat dissipation parameters, so as to realize the dynamic balance between heat generation and heat dissipation. Compared with the single adjustment of the heat dissipation device, it can more flexibly and efficiently cope with different degrees of heat dissipation abnormalities, effectively improve the working stability and safety of the wireless charger. Finally, the temperature data and temperature control data are sent to the APP end for display through the wireless communication module, so that the user can intuitively understand the working state and temperature change of the wireless charger in real time, master the operation information of the electronic equipment, and enhance the convenience and controllability of the equipment. At the same time, it provides the basis for fault warning and equipment maintenance for the user, so that the user can take timely measures to improve the user experience and equipment management efficiency. The application realizes accurate monitoring of the temperature of the wireless charger and intelligent adjustment to effectively avoid safety accidents such as fire and equipment damage caused by excessive temperature of the wireless charger, and improves the safety and efficiency of wireless charging.

[0056] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and claims.

[0057] The technical solutions of the present application will be further described in detail below with the help of the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0058] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0059] Figure 1 It is a structure diagram of a temperature monitoring device of a wireless charger according to the present application;

[0060] Figure 2 It is a structure diagram of a data acquisition module of a temperature monitoring device of a wireless charger according to the present application;

[0061] Figure 3 A structure diagram of a microcontroller of a temperature monitoring device of a wireless charger according to the present application is shown in the figure.

[0062] Figure 4 A structure diagram of a wireless communication module of a temperature monitoring device of a wireless charger according to the present application is shown in the figure. DETAILED DESCRIPTION

[0063] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to explain and illustrate the present application, and are not used to limit the present application.

[0064] Embodiment 1

[0065] The present application provides a temperature monitoring device of a wireless charger, as shown in the figure, comprising: Figure 1

[0066] A data acquisition module is configured to acquire temperature data of key heating parts of the wireless charger, real-time electrical parameters of corresponding areas of the key heating parts, and real-time heat dissipation parameters of heat dissipation devices.

[0067] A microcontroller is configured to determine whether there is a heat dissipation abnormality in each key heating part based on the temperature data, and if there is a heat dissipation abnormality, generate a heat dissipation control strategy based on a current temperature of the key heating part with the heat dissipation abnormality, in combination with the current electrical parameters and the current heat dissipation parameters of the heat dissipation devices.

[0068] A heat dissipation control module is configured to control electrical parameters of corresponding positions of the wireless charger and heat dissipation parameters of heat dissipation devices in the wireless charger based on the heat dissipation control strategy.

[0069] A wireless communication module is configured to send the temperature data and the temperature control data of the wireless charger to an APP end for display by using a wireless communication technology.

[0070] In the present embodiment, the key heating parts include, but are not limited to, coils and power chips of the wireless charger.

[0071] ​The beneficial effects of the above technical scheme are: the data acquisition module not only acquires temperature data, but also collects real-time electric parameters of the corresponding area and real-time heat dissipation parameters of the heat dissipation device, realizes multi-dimensional data acquisition, is beneficial to comprehensively master the working state of the wireless charger, greatly improves the accuracy and reliability of temperature monitoring, and then, the microcontroller judges heat dissipation abnormity based on multi-source data, generates a heat dissipation regulation strategy in combination with the current temperature, electric parameters and heat dissipation parameters of the abnormal part, formulates a more reasonable and effective heat dissipation scheme for different abnormal conditions, avoids extensive regulation and control of "one size fits all", significantly improves the heat dissipation efficiency, ensures that the wireless charger can stably operate under various complex working conditions, and prolongs the service life of the equipment, then, the heat dissipation control module regulates the electric parameters of the corresponding position of the wireless charger and the heat dissipation parameters of the heat dissipation device according to the heat dissipation regulation strategy, can reduce heat generation by reducing electric parameters, or accelerate heat dissipation by adjusting heat dissipation parameters, realize dynamic balance of heat generation and heat dissipation, compared with the single adjustment of the heat dissipation device, can more flexibly and efficiently cope with different degrees of heat dissipation abnormity, effectively improve the working stability and safety of the wireless charger, finally, the wireless communication module sends the temperature data and temperature regulation data to the APP end for display, so that the user can intuitively understand the working state and temperature change of the wireless charger in real time, the user can master the electronic equipment operation information, and the convenience and controllability of equipment use are enhanced; at the same time, the user is provided with the basis for fault early warning and equipment maintenance, so that the user can take timely measures, improve the user experience and equipment management efficiency. The present application realizes accurate monitoring of the temperature of the wireless charger and intelligent regulation, effectively avoids safety accidents such as fire and equipment damage caused by the wireless charger due to high temperature, and improves the safety and efficiency of wireless charging.

[0072] Embodiment 2:

[0073] On the basis of embodiment 1, the data acquisition module, as shown in Figure 2 , comprises:

[0074] The temperature data acquisition unit is configured to acquire, based on the temperature sensors distributed at the heat-generating key parts of the wireless charger, temperature data of each heat-generating key part in real time.

[0075] The electric power data acquisition unit is configured to acquire real-time electric parameters of the coil in the effective area corresponding to each heat-generating key part.

[0076] The heat dissipation data acquisition unit is configured to acquire real-time heat dissipation parameters of the heat dissipation device.

[0077] The data conversion unit is configured to send the temperature data, real-time electric parameters and real-time heat dissipation parameters to the microcontroller after digital processing.

[0078] In this embodiment, the heat dissipation device includes but is not limited to a heat dissipation fan and a water cooling circulation pipe.

[0079] The beneficial effects of the above technical solutions are: the temperature data acquisition unit, the electric power data acquisition unit and the heat dissipation data acquisition unit are used to respectively collect temperature, electric parameters and heat dissipation parameters, the single monitoring mode of the traditional temperature data is changed, multi-dimensional data acquisition of the wireless charger is realized, the working condition of the wireless charger can be comprehensively understood from multiple angles, rich and comprehensive data basis is provided for subsequent analysis and control, misjudgment or omission caused by data loss is avoided, and the accuracy of temperature monitoring of the wireless charger is improved.

[0080] Embodiment 3:

[0081] On the basis of embodiment 1, the microcontroller, as shown in the figure, comprises: Figure 3

[0082] The data analysis unit is configured to analyze the digital signal to obtain the current temperature, the current electric parameter of each heat-generating key part of the wireless charger and the current heat dissipation parameter of the heat dissipation device.

[0083] The abnormality monitoring unit is configured to compare the current temperature of each heat-generating key part with the preset temperature threshold, respectively, and determine that the heat-generating key part is abnormal when the current temperature of the heat-generating key part is greater than or equal to the preset temperature threshold.

[0084] The intelligent control unit is configured to obtain the current electric parameter of each coil in the effective area corresponding to the heat-generating key part with abnormal heat dissipation and the preset material parameter.

[0085] Based on the current electric parameter and the preset material parameter, the heat generation efficiency of the coil in the effective area is determined, and based on the heat generation efficiency, the heat dissipation control strategy of the coil in the effective area is determined in combination with the current temperature and the electronic device feedback data.

[0086] ​The beneficial effects of the above technical solutions are: the present application analyzes the digital signal, obtains the current temperature of the key heating part of the wireless charger, the electric parameter and the heat dissipation parameter of the heat dissipation device, then compares the current temperature of each key heating part with the preset temperature threshold accurately, can determine the heat dissipation abnormal condition in time and accurately, avoids the misjudgment or omission caused by temperature monitoring ambiguity, effectively guarantees the stable operation of the wireless charger, and determines the heat production efficiency according to the current electric parameter of the coil and the preset material parameter, and formulates the heat dissipation regulation and control strategy combined with the current temperature and the feedback data of the electronic equipment. This multi-factor comprehensive consideration method breaks through the limitation of traditional single temperature regulation and control, can dynamically adjust the regulation and control strategy according to the actual operation condition of the equipment, not only can effectively reduce the temperature, but also can consider the charging efficiency and equipment performance, realizes the dynamic balance of heat production and heat dissipation, and improves the overall operation efficiency of the wireless charger. The present application forms a complete closed loop from data collection, analysis, abnormal monitoring to intelligent regulation and control, adaptively adjusts the monitoring and regulation and control mode according to different working scenes and states of the wireless charger, for example, can accurately respond under different charging power and environmental temperature, greatly enhances the environmental adaptability and stability of the system, and reduces the risk of equipment failure caused by external factor change.

[0087] Embodiment 4:

[0088] On the basis of embodiment 3, the intelligent regulation and control unit comprises:

[0089] The data feedback subunit is configured to send the charging feedback information to the electronic equipment in the effective area corresponding to the abnormal heat dissipation and heating key part, obtain the feedback signal, analyze the feedback signal, determine the default charging setting data, and determine the adjustable range of the charging parameter of the electronic equipment based on the default charging setting data.

[0090] The strategy generation subunit is configured to generate the maximum heat dissipation regulation and control instruction when it is determined that there is an abnormal heat dissipation and heating key part, and send the heat dissipation regulation and control instruction to the heat dissipation control module to adjust the heat dissipation parameter of the heat dissipation device to the maximum value.

[0091] Based on the current temperature data, the accumulated heat of the abnormal heat dissipation and heating key part is determined, and based on the joint correlation relationship, the heat dissipation efficiency of the heat dissipation device under the maximum value of the heat dissipation parameter is determined in combination with the current heat dissipation efficiency.

[0092] Based on the heat dissipation efficiency and the accumulated heat under the current environmental parameter, the heat dissipation difference is obtained in combination with the coil heat production of the normal heat dissipation and heating key part, and the optimal charging parameter of the electronic equipment is determined based on the heat dissipation difference and in combination with the adjustable range of the charging parameter of the electronic equipment.

[0093] According to the heat dissipation efficiency and the actual heat production of the wireless charger, the optimal charging parameter retention time is predicted, and the heat dissipation regulation and control strategy is generated.

[0094] The beneficial effects of the above technical solutions: the application breaks through the data barrier between the wireless charger and the charged device by interacting with the electronic device, obtaining the default charging setting data and determining the adjustable range of the charging parameter, so that the wireless charger can dynamically adjust the charging parameter according to the actual charging demand and adjustable capacity of the electronic device, avoid low charging efficiency or device damage caused by parameter mismatch, realize precise cooperation between devices in the wireless charging process, improve the overall charging performance, and immediately send the maximum heat dissipation control instruction when detecting abnormal heat dissipation, adjust the heat dissipation parameter of the heat dissipation device to the maximum, which can maximize the heat dissipation capacity at the first time when the heat dissipation problem occurs, rapidly reduce the temperature of the key parts of the wireless charger, effectively prevent safety accidents such as fire and component damage caused by high temperature, provide strong protection for safe operation of the device, and calculate the heat dissipation difference based on the current temperature, heat dissipation efficiency, environmental parameters, normal part heat production and other factors, determine the best charging parameter combined with the heat dissipation difference and the adjustable range of the electronic device charging parameter, which can meet the heat dissipation demand and ensure the charging efficiency, when the heat dissipation pressure is large, appropriately reduce the charging power to reduce heat production; when the heat dissipation condition allows, increase the charging power to speed up the charging speed, maximize the efficiency of wireless charging under the premise of ensuring the safety of the device, bring better charging experience to the user, predict the best charging parameter holding time and generate a heat dissipation control strategy, so that the user can know the time arrangement of the charging process in advance, reasonably plan the use time of the device, and help the wireless charger automatically adjust the charging strategy at the right time, further optimize the charging process, reduce manual intervention of the user, and improve the intelligent level and use convenience of the wireless charging device.

[0095] Embodiment 5:

[0096] Based on embodiment 4, the strategy generation subunit comprises:

[0097] The heat dissipation device efficiency determination subunit is configured to obtain historical working data of the built-in heat dissipation device of the wireless charger, and classify the historical working data based on environmental parameters to obtain a plurality of first historical working data groups;

[0098] According to the preset working parameter grading result of the heat dissipation device, the data in the plurality of first historical working data groups are marked with working levels respectively to obtain second historical working data groups;

[0099] The same or difference within a preset range of historical working parameters in each second historical working data group is aligned, and the historical actual temperature change data of the heating key part corresponding to each historical working parameter and the corresponding working time are obtained respectively and synchronized.

[0100] According to the alignment result, the cooling efficiency corresponding to different starting point temperatures under the same environmental parameters is obtained, and the preset working parameters corresponding to different starting point temperatures are determined;

[0101] Based on the preset working parameters, the data in the second historical working data set is clustered to obtain a plurality of first clustering data sets, and the data in the first clustering data set is compared to obtain a first correlation between the starting point temperature and the cooling efficiency;

[0102] Based on the starting point temperature, the data in the second working data set is clustered to obtain a plurality of second clustering data sets, and the data in the second clustering data set is compared to obtain a second correlation between the starting point temperature and the cooling efficiency;

[0103] Based on the first correlation and the second correlation, a joint correlation is generated;

[0104] Based on the current temperature data, the current cooling efficiency of the heat dissipation device corresponding to the heat dissipation parameter is determined, and the joint correlation is combined to determine the cooling efficiency of the heat dissipation device under the maximum value of the heat dissipation parameter.

[0105] In this embodiment, the difference between the starting point temperatures is not greater than 3℃, which is considered as the same starting point temperature.

[0106] The beneficial effects of the above technical solution are: the present application first obtains the historical working data of the built-in heat dissipation device of the wireless charger, and classifies it combined with the environmental parameters, breaking the limitation of traditional real-time data or simple historical data. Then, the historical working data is marked with working level, and the historical working parameters with the same or difference within a preset range (such as not greater than 3℃) and their corresponding temperature change data and working time are synchronized and aligned. By clustering the historical data based on the preset working parameters and the starting point temperature respectively, and comparing and analyzing to obtain different correlations, and then generating a joint correlation, the internal relationship between the working parameters, the starting point temperature and the cooling efficiency of the heat dissipation device is revealed in multiple dimensions. This multi-dimensional correlation analysis enables the system to more comprehensively understand the interaction mechanism of various factors in the cooling process, providing strong theoretical support for formulating scientific and reasonable cooling strategies. Based on the current temperature data and the joint correlation, the current cooling efficiency of the heat dissipation device under different heat dissipation parameter states can be accurately determined, so that the heat dissipation management system of the wireless charger can adjust the working parameters of the heat dissipation device in real time according to the actual running situation, and realize dynamic optimization of the cooling efficiency. Compared with the traditional fixed parameter cooling regulation mode, this precise real-time regulation can more effectively cope with different cooling demands, improve the cooling effect, and ensure the stable operation of the wireless charger.

[0107] Embodiment 6:

[0108] On the basis of embodiment 4, the heat dissipation control module comprises:

[0109] The power adjustment strategy generation subunit is configured to determine a charging adjustable heat power range based on a current change in the charging parameter adjustable range and in combination with preset material parameters.

[0110] The quotient of the heat dissipation difference and the difference between the upper and lower limits of the charging adjustable heat power range is obtained as a power adjustment index. When the power adjustment index is greater than a preset threshold, the charging current value corresponding to the lower limit of the charging adjustable power is taken as the optimal charging current. In combination with the default charging setting data of the electronic device, the optimal charging voltage corresponding to the optimal charging current in the electronic device charging process is determined, and the optimal charging voltage is taken as the optimal charging parameter.

[0111] Otherwise, based on the current electric parameter, in combination with the default charging setting data of the electronic device, the electric parameter change amplitude of the secondary state corresponding to the current charging state of the electronic device is determined. Based on the electric parameter change amplitude, in combination with the preset material parameters, the heat power change amplitude of the coil is determined.

[0112] The heat power change amplitude of the coil is compared with the heat dissipation difference to obtain a heat difference value. When the heat difference value is greater than zero and exceeds a preset range, the charging current value corresponding to the lower limit of the charging adjustable power is taken as the optimal charging current. In combination with the default charging setting data of the electronic device, the optimal charging voltage corresponding to the optimal charging current in the electronic device charging process is determined, and the optimal charging voltage is taken as the optimal charging parameter.

[0113] When the heat difference value exceeds the preset range, the electric parameter corresponding to the secondary state corresponding to the current charging state is taken as the optimal electric parameter.

[0114] Otherwise, the current electric parameter remains unchanged.

[0115] In this embodiment, the preset material parameters include the resistance coefficient, material type, length, coil number, and resistance value of the wireless charger coil.

[0116] In this embodiment, the default charging setting data refers to the charging mode setting data of the electronic device.

[0117] In this embodiment, the secondary state refers to the charging state corresponding to the next level of charging current smaller than the charging current corresponding to the current charging state in the charging mode.

[0118] The beneficial effects of the above technical solutions are: based on the adjustable range of charging parameters and the preset material parameters, the charging adjustable heat power range is determined, and then the charging current and voltage are dynamically adjusted according to the heat dissipation difference and the power adjustment index and other factors, so that the charging power can accurately match the heat dissipation capacity of the wireless charger and the actual demand of the electronic device, while ensuring that the entire charging process is in a safe state, the influence of temperature regulation demand on charging time is minimized.

[0119] Embodiment 7:

[0120] On the basis of embodiment 4, the strategy generation subunit comprises:

[0121] The optimal charging parameter is obtained, combined with the preset material parameter, the heat generation efficiency of the coil in the wireless charger after regulation is predicted, based on the heat generation efficiency and the heat dissipation efficiency of the heat dissipation device in the maximum state, the efficiency difference is obtained;

[0122] Based on the accumulated heat and the efficiency difference, the parameter retention time is calculated, and it is judged whether the parameter retention time is greater than the preset maximum retention time, if yes, the preset maximum retention time is taken as the optimal charging parameter retention time;

[0123] Otherwise, the parameter retention time is taken as the optimal charging parameter retention time.

[0124] In this embodiment, the preset maximum regulation time is in the range of 2-5 min.

[0125] The beneficial effects of the above technical solutions are: the heat generation efficiency of the coil after regulation is predicted based on the optimal charging parameter and the preset material parameter, and the efficiency difference is obtained by comparing with the maximum heat dissipation efficiency of the heat dissipation device, for dynamically adjusting the charging parameter, under the premise of meeting the heat dissipation demand, the charging power is as high as possible, the balance between heat generation and heat dissipation is realized, so as to improve the charging efficiency and overall performance of the wireless charger, the parameter retention time is calculated based on the accumulated heat and the efficiency difference, and the calculated parameter retention time is compared with the preset maximum retention time, when the preset value is exceeded, the preset maximum retention time is taken as the optimal charging parameter retention time, which provides a safety protection mechanism for the wireless charger, effectively prevents the charging parameter from running for a long time due to abnormal conditions, avoids the influence of heat dissipation demand on charging time as much as possible, controls the user charging waiting time within a certain range, avoids the influence of high temperature on the battery life of the charged device, provides the user with efficient, safe and stable wireless charging experience, and improves the user's satisfaction and trust in the product.

[0126] Embodiment 8:

[0127] On the basis of embodiment 1, the wireless communication module, as shown in Figure 4 comprises:

[0128] An interaction unit is configured to receive charging device information of a user and adjust charging parameters of the wireless charger according to the charging device information.

[0129] A display unit is configured to transmit temperature data and temperature regulation data of the wireless charger to an APP terminal for display by using a wireless communication technology.

[0130] The technical scheme has the beneficial effects that: the interaction unit receives charging device information of a user and adjusts charging parameters of the wireless charger according to the charging device information, so that human-computer interaction between the wireless charger and the user is realized; the display unit transmits temperature data and temperature regulation data to an APP terminal for display, so that the user can intuitively understand the working state and temperature change of the wireless charger in real time, the user can master the running information of the electronic device, the convenience and controllability of the device are enhanced; meanwhile, the user is provided with a basis for fault early warning and device maintenance, so that the user can take measures in time, the user experience and the device management efficiency are improved.

[0131] Embodiment 9:

[0132] The application provides a temperature monitoring method applied to the temperature monitoring device of the wireless charger.

[0133] Temperature data of key heating parts of the wireless charger, real-time electric parameters of corresponding areas of the temperature data and real-time heat dissipation parameters of heat dissipation devices are collected.

[0134] Based on the temperature data, it is determined whether the key heating parts have heat dissipation abnormal conditions, if the key heating parts have the heat dissipation abnormal conditions, heat dissipation regulation strategies are generated based on the current temperature of the key heating parts with the heat dissipation abnormal conditions, in combination with the current electric parameters and the current heat dissipation parameters of the heat dissipation devices.

[0135] Based on the heat dissipation regulation strategies, the electric parameters of corresponding positions of the wireless charger and the heat dissipation parameters of the heat dissipation devices in the wireless charger are regulated.

[0136] Temperature data and temperature regulation data of the wireless charger are transmitted to an APP terminal for display by using a wireless communication technology.

[0137] The beneficial effects of the above technical scheme are: the application not only collects temperature data, but also collects real-time electric parameters of the corresponding area and real-time heat dissipation parameters of the heat dissipation device, realizes multi-dimensional data collection, is beneficial to comprehensively master the working state of the wireless charger, greatly improves the accuracy and reliability of temperature monitoring, and then, based on the multi-source data, judges the heat dissipation abnormity, and generates a heat dissipation regulation strategy in combination with the current temperature, electric parameters and heat dissipation parameters of the abnormal position, formulates a more reasonable and effective heat dissipation scheme for different abnormal conditions, avoids the extensive regulation of "one size fits all", significantly improves the heat dissipation efficiency, ensures that the wireless charger can stably operate under various complex working conditions, prolongs the service life of the equipment, then, according to the heat dissipation regulation strategy, the electric parameters of the corresponding position of the wireless charger and the heat dissipation parameters of the heat dissipation device are regulated, the heat generation can be reduced by reducing the electric parameters, or the heat dissipation can be accelerated by adjusting the heat dissipation parameters, so as to realize the dynamic balance of heat generation and heat dissipation, compared with the single adjustment of the heat dissipation device, the working stability and safety of the wireless charger can be effectively improved, finally, the temperature data and temperature regulation data are sent to the APP end for display, so that the user can intuitively understand the working state and temperature change of the wireless charger in real time, the user can master the electronic equipment operation information, and the convenience and controllability of equipment use are enhanced; at the same time, the user is provided with the basis for fault warning and equipment maintenance, so that the user can take timely measures, and the user experience and equipment management efficiency are improved. The application realizes accurate monitoring of the temperature of the wireless charger and intelligent regulation to effectively avoid safety accidents such as fire and equipment damage caused by the wireless charger due to high temperature, and improves the safety and efficiency of wireless charging.

[0138] Embodiment 10:

[0139] The application provides a wireless charger comprising the temperature monitoring device.

[0140] The beneficial effects of the above technical scheme are: the application can realize accurate monitoring of the temperature of the wireless charger and intelligent regulation to ensure that the wireless charger can maintain stable charging performance under various working conditions, effectively avoid safety accidents such as fire and equipment damage caused by the wireless charger due to high temperature, and improve the safety and efficiency of wireless charging.

[0141] Obviously, those skilled in the art can make various modifications and variations to the application without departing from the spirit and scope of the application. Thus, if these modifications and variations of the application belong to the scope of the claims of the application and their equivalents, the application also intends to include these modifications and variations.

Claims

1. A temperature monitoring device of a wireless charger, characterized by, The application relates to a wireless charger temperature control method and device. The application comprises: a data acquisition module for acquiring temperature data of key heat-emitting parts of a wireless charger, real-time electric parameters of corresponding areas of the key heat-emitting parts and real-time heat dissipation parameters of heat dissipation devices; a microcontroller for judging whether each key heat-emitting part is in a heat dissipation abnormal condition based on the temperature data, generating a heat dissipation regulation strategy based on a current temperature of a heat dissipation abnormal heat-emitting part, combining current electric parameters and current heat dissipation parameters of heat dissipation devices; a heat dissipation control module for regulating electric parameters of corresponding positions of the wireless charger and heat dissipation parameters of heat dissipation devices in the wireless charger based on the heat dissipation regulation strategy; a wireless communication module for sending the temperature data and temperature regulation data of the wireless charger to an APP terminal for display by using wireless communication technology; The microcontroller comprises: a data analysis unit for analyzing digital signals to obtain current temperatures, current electric parameters of each key heat-emitting part of the wireless charger and current heat dissipation parameters of heat dissipation devices; an abnormality monitoring unit for comparing the current temperature of each key heat-emitting part with a preset temperature threshold value, and determining that the key heat-emitting part is in a heat dissipation abnormal condition when the current temperature of the key heat-emitting part is greater than or equal to the preset temperature threshold value; an intelligent regulation unit for obtaining current electric parameters of each coil in an effective area corresponding to a heat dissipation abnormal heat-emitting part and preset material parameters; based on the current electric parameters and the preset material parameters, determining the heat generation efficiency of the coil in the effective area, and based on the heat generation efficiency, combining the current temperature and electronic device feedback data, determining a heat dissipation regulation strategy of the coil in the effective area; The intelligent regulation unit comprises: a data feedback subunit for sending charging feedback information to an electronic device in the effective area corresponding to the heat dissipation abnormal heat-emitting part, obtaining a feedback signal, analyzing the feedback signal to determine default charging setting data, and based on the default charging setting data, determining an adjustable range of charging parameters of the electronic device; a strategy generation subunit for generating a maximum heat dissipation regulation instruction when it is determined that there is a heat dissipation abnormal heat-emitting part, and sending the maximum heat dissipation regulation instruction to the heat dissipation control module to adjust the heat dissipation parameters of the heat dissipation devices to a maximum value; based on the current temperature data, determining the accumulated heat of the heat dissipation abnormal heat-emitting part, and according to a joint correlation relationship, combining the current heat dissipation efficiency, determining the heat dissipation efficiency of the heat dissipation devices under the maximum value state of the heat dissipation parameters; based on the heat dissipation efficiency under the maximum value state and the accumulated heat under the current environmental parameters, combining the heat generation of the coil corresponding to the normal heat-emitting part, obtaining a heat dissipation difference, based on the heat dissipation difference, combining the adjustable range of the charging parameters of the electronic device, determining the best charging parameters of the electronic device; 2. The temperature monitoring device of a wireless charger according to claim 1, wherein, based on the heat dissipation efficiency under the maximum value state and the actual heat generation of the wireless charger, predicting the best charging parameter maintenance time, and generating the heat dissipation regulation strategy. The data acquisition module comprises: a temperature data acquisition unit for acquiring temperature data of each key heat-emitting part based on temperature sensors distributed on the key heat-emitting parts of the wireless charger; The power data acquisition unit is used to acquire the real-time electrical parameters of the coils in the effective area corresponding to each key heat-generating part; The heat dissipation data acquisition unit is used to collect real-time heat dissipation parameters of the heat dissipation device; The data conversion unit is used to digitize temperature data, real-time electrical parameters, and real-time heat dissipation parameters before sending them to the microcontroller.

3. The temperature monitoring device of a wireless charger according to claim 1, wherein, The strategy generation subunit includes: The heat dissipation device efficiency determination subunit is used to acquire historical operating data of the heat dissipation device built into the wireless charger, and classify the historical operating data based on environmental parameters to obtain multiple first historical operating data groups. Based on the preset operating parameter classification results of the heat dissipation device, the data in multiple first historical operating data groups are marked with operating level to obtain the second historical operating data group. The historical working parameters within each second historical working data group that are identical or have differences within a preset range are obtained and aligned. The historical actual temperature change data of the key heating parts corresponding to each historical working parameter and their corresponding working time are obtained and synchronized. By comparing the alignment results, the cooling efficiency corresponding to different starting temperatures under the same environmental parameters is obtained, and the preset working parameters corresponding to different starting temperatures are determined. Based on preset working parameters, the data within the second historical working data group are clustered to obtain multiple first cluster datasets. The data within the first cluster datasets are compared to obtain the first correlation between the starting temperature and the cooling efficiency. Based on the starting temperature, the data in the second working data group are clustered to obtain multiple second cluster datasets. The data in the second cluster datasets are compared to obtain the second correlation between the starting temperature and the cooling efficiency. Based on the first and second association relationships, generate a joint association relationship; Based on the current temperature data, determine the current heat dissipation efficiency of the heat dissipation device corresponding to the heat dissipation parameters. Combined with the joint correlation, determine the heat dissipation efficiency of the heat dissipation device under the maximum value state.

4. The temperature monitoring device of a wireless charger according to claim 1, wherein, The heat dissipation control module includes: The power adjustment strategy generation subunit is used to determine the adjustable thermal power range of charging based on the current change within the adjustable range of charging parameters and in combination with preset material parameters. The quotient of the difference between the heat dissipation difference and the upper and lower limits of the adjustable charging power range is used as the power adjustment index. When the power adjustment index is greater than a preset threshold, the charging current value corresponding to the lower limit of the adjustable charging power is used as the optimal charging current. Combined with the default charging setting data of the electronic device, the optimal charging voltage corresponding to the optimal charging current during the charging process of the electronic device is determined, and the optimal charging voltage is used as the optimal charging parameter. Otherwise, based on the current electrical parameters and the default charging settings data of the electronic device, determine the change range of electrical parameters between the current charging state of the electronic device and its corresponding secondary state. Based on the change range of electrical parameters and the preset material parameters, determine the change range of the coil's thermal power. The heat power variation range of the coil is compared with the heat dissipation difference to obtain a heat difference value. When the heat difference value is greater than zero and exceeds a preset range, a charging current value corresponding to a lower limit value of the adjustable charging power is taken as an optimal charging current. In combination with default charging setting data of the electronic device, an optimal charging voltage corresponding to the optimal charging current in the charging process of the electronic device is determined, and the optimal charging voltage is taken as an optimal charging parameter. When the heat difference value exceeds the preset range, an electrical parameter corresponding to a secondary state corresponding to the current charging state is taken as an optimal electrical parameter. Otherwise, the current electrical parameter remains unchanged.

5. The temperature monitoring device of a wireless charger according to claim 1, wherein, The policy generation subunit comprises: The optimal charging parameter is obtained, and the regulated heat generation efficiency of the coil in the wireless charger is predicted in combination with preset material parameters. Based on the heat generation efficiency and the heat dissipation efficiency of the heat dissipation device in the maximum state, an efficiency difference is obtained. Based on the accumulated heat and the efficiency difference, a parameter retention time is calculated, and it is judged whether the parameter retention time is greater than a preset maximum retention time. If yes, the preset maximum retention time is taken as the optimal charging parameter retention time. Otherwise, the parameter retention time is taken as the optimal charging parameter retention time.

6. The temperature monitoring device of a wireless charger according to claim 1, wherein, The wireless communication module comprises: The interaction unit is configured to receive charging device information of a user and adjust the charging parameters of the wireless charger according to the charging device information. The display unit is configured to transmit the temperature data and the temperature regulation data of the wireless charger to an APP terminal for display by using a wireless communication technology.

7. A temperature monitoring method applied to a temperature monitoring device of the wireless charger according to any one of claims 1 to 6, characterized in that, It comprises: Temperature data of key heating parts of the wireless charger, real-time electrical parameters of corresponding areas, and real-time heat dissipation parameters of heat dissipation devices are collected. Based on the temperature data, it is judged whether there is a heat dissipation abnormality in each key heating part. If there is, a heat dissipation regulation strategy is generated based on the current temperature of the heat dissipation abnormal heating key part, in combination with the current electrical parameter and the current heat dissipation parameter of the heat dissipation device. Based on the heat dissipation regulation strategy, the electrical parameters of the corresponding positions of the wireless charger and the heat dissipation parameters of the heat dissipation devices in the wireless charger are regulated. The temperature data and the temperature regulation data of the wireless charger are transmitted to an APP terminal for display by using a wireless communication technology.

8. A wireless charger, comprising: The temperature monitoring device of any one of claims 1-6 is included.

Images