Safe magnetic energy isolation power supply conversion system

Abstract

The invention relates to the technical field of electric leakage protection, and particularly discloses a safe magnetic energy isolation power supply conversion system, which comprises a generator end and a receiving conversion output end which are oppositely arranged, and is characterized in that a display control board automatically sends an instruction to a main driving board after being started; the main driving board carries out rectification, voltage reduction and voltage stabilization on the accessed mains supply to form high-frequency voltage, and a high-frequency alternating magnetic field is generated through the magnetic energy generation coil panel. The magnetic energy receiving wire coil of the receiving conversion output end generates induction voltage with the same frequency after inducting the high-frequency alternating magnetic field, one path of induction voltage is processed by the variable-frequency inversion filter circuit to form safety voltage output outwards, and the other path of induction voltage supplies power to the acquisition control board so as to control the variable-frequency inversion filter circuit. Meanwhile, the generator end and the receiving conversion output end are both provided with cooling fans for auxiliary heat dissipation so as to ensure the heat stability of the generator end and the receiving conversion output end. Therefore, power supply is performed after air magnetic energy induction, the output end does not form a loop with the commercial power, and the risk of electric leakage is thoroughly avoided.

Description

Technical Field

[0001] The present application relates to the technical field of leakage protection, and more specifically, to a safe magnetic energy isolation power conversion system. Background Art

[0002] With the advancement of science and technology and the improvement of the quality of life, the types and frequency of use of household appliances, commercial appliances / equipment, and outdoor electrical appliances have increased significantly. At present, most household, commercial appliances / equipment, and outdoor electrical appliances are basically directly connected to the mains for power supply. Although this traditional power access method is convenient, it has significant safety hazards. Most electrical products do not fully consider safety mechanisms such as leakage protection when they are designed, which leads to electric shock accidents caused by leakage when the appliance itself fails or the user operates improperly.

[0003] Leakage may not only damage electrical equipment, but also pose a direct threat to the human body, especially in humid environments or in the presence of conductive materials, the risk of leakage increases exponentially. Especially for electrical appliances used outdoors, bad weather such as wind and rain further increase the risk of equipment leakage. At present, some existing products with leakage protection functions on the market usually rely on physical circuit breaking mechanisms and still have their own reliability issues. For example, the leakage protector may fail due to aging, damage or design defects during long-term use. Once the protection device fails, it cannot effectively prevent leakage accidents.

[0004] Therefore, in order to provide a more reliable and safer environment for the use of electrical appliances, a safe magnetic energy isolation power conversion system is desired. Summary of the invention

[0005] In order to solve the above technical problems, the present application is proposed. The embodiment of the present application provides a safe magnetic energy isolation power conversion system, which includes a generator end and a receiving conversion output end that are relatively arranged. The generator end includes a main drive board, a display control board, and a magnetic energy generating coil disk. After the display control board is started, it automatically sends instructions to the main drive board. The main drive board forms a high-frequency voltage after rectifying and stabilizing the connected mains power, and generates a high-frequency alternating magnetic field through the magnetic energy generating coil disk. The magnetic energy receiving coil at the receiving conversion output end generates an induced voltage of the same frequency after induction of the high-frequency alternating magnetic field. One path is processed by the frequency conversion inverter filter circuit to form a safe voltage for external output, and the other path is used to power the acquisition control board to control the frequency conversion inverter filter circuit. At the same time, both the generator end and the receiving conversion output end are equipped with a cooling fan for auxiliary heat dissipation to ensure its thermal stability. In this way, the output end will not form a loop with the mains power after the air-isolated magnetic energy induction, and the risk of electric shock caused by leakage is completely avoided.

[0006] Accordingly, according to one aspect of the present application, a safe magnetic energy isolation power conversion system is provided, comprising:

[0007] A generator terminal and a receiving conversion output terminal are arranged opposite to each other;

[0008] Wherein, the generator end includes a main drive board with a mains power input end, a display control board, and a magnetic energy generating coil disk;

[0009] The main driving board is used to supply power to the display control board, and the display control board is used to apply instructions to control the main driving board;

[0010] The receiving conversion output end includes a magnetic energy induction coil and a variable frequency inverter filter circuit, wherein the variable frequency inverter filter circuit is used to process the induced voltage generated by the magnetic energy induction coil to form the voltage and frequency required by the external device, and the variable frequency inverter filter circuit has an electric energy output end.

[0011] Compared with the prior art, the safe magnetic energy isolation power conversion system provided by the present application includes a relatively arranged magnetic energy generator end and a magnetic energy receiving conversion output end, the generator end includes a main drive board, a display control board, and a magnetic energy generating coil disk, and the display control board automatically sends instructions to the main drive board after starting, and the main drive board forms a high-frequency voltage after rectifying and stepping down the main power to generate a high-frequency alternating magnetic field through the magnetic energy generating coil disk. The magnetic energy receiving coil at the receiving conversion output end generates an induced voltage of the same frequency after induction of the high-frequency alternating magnetic field, one way is processed by the frequency conversion inverter filter circuit to form a safe voltage required for external output, and the other way is powered by the acquisition control board to control the frequency conversion inverter filter circuit and communicate with the host, etc. At the same time, the generator end and the receiving conversion output end are both equipped with a cooling fan for auxiliary heat dissipation to ensure its thermal stability. In this way, the output end will not form a loop with the main power after powering by induction of air-space magnetic energy, and the risk of electric shock caused by leakage is completely avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] By describing the embodiments of the present application in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0013] Figure 1 Schematic diagram of the principle of a safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0014] Figure 2This is a schematic diagram of a safe magnetic energy isolation power conversion system according to an embodiment of the present application, in which a generator end and a receiving conversion end are respectively placed in two different housings.

[0015] Figure 3 This is a schematic diagram of placing a generator end and a receiving conversion end in different cavity spaces within the same integral shell in a safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0016] Figure 4 It is a schematic diagram of a circular plane mutual inductance disk in a safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0017] Figure 5 It is a schematic diagram of a circular curved surface or a special form of mutual inductance disk in a safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0018] Figure 6 Schematic diagram of the magnetic mutual inductance of internal and external coils in a safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0019] Figure 7 4 is a block diagram of a heat dissipation control unit in a safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0020] Figure 8 Schematic diagram of data flow of a heat dissipation control unit in a safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0021] Fig. 9 The block diagram is a temperature characteristic dynamic transmission subunit in the safe magnetic energy isolation power conversion system according to an embodiment of the present application.

[0022] Among them, 1. Main drive board; 2. Display control board; 3. First auxiliary cooling fan; 4. Magnetic energy generating coil disk; 5. Infrared transmitting / receiving tube; 6. Collection control board; 7. Induction coil disk; 8. Frequency conversion filter circuit; 9. Universal socket; 10. Second auxiliary cooling fan; 11. A terminal wiring; 12. B terminal wiring; 13. C terminal wiring; 14. D terminal wiring; 15. Generator end shell; 16. Receiver conversion output end shell; 17. Overall shell assembly; 100. Dissipation Thermal control unit; 110, working temperature monitoring subunit; 120, local time domain temperature feature extraction subunit; 130, temperature feature dynamic transmission subunit; 131, feature jump degree calculation secondary subunit; 132, message transmission space span calculation secondary subunit; 133, feature transmission significance measurement secondary subunit; 134, gated screening secondary subunit; 135, feature modulation aggregation secondary subunit; 140, fan speed gear recommendation subunit; 150, fan speed control subunit. DETAILED DESCRIPTION

[0023] As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "an" and / or "the" do not refer to the singular and may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of the steps and elements that have been clearly identified, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements.

[0024] Although the present application makes various references to certain modules in the system according to the embodiments of the present application, any number of different modules can be used and run on the user terminal and / or server. The modules are only illustrative, and different aspects of the system and method can use different modules.

[0025] Flowcharts are used in the present application to illustrate the operations performed by the system according to the embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed accurately in order. On the contrary, various steps may be processed in reverse order or simultaneously as required. Meanwhile, other operations may also be added to these processes, or a certain step or several steps of operations may be removed from these processes.

[0026] Below, the exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited to the exemplary embodiments described here.

[0027] It is worth noting that in this application, all actions to obtain data are carried out in compliance with the relevant data protection laws and policies of the country where the data is located, and with the authorization given by the owner of the corresponding device.

[0028] In response to the technical problems described in the above background technology, the present application proposes a safe magnetic energy isolation power conversion system, which includes a relatively arranged magnetic energy generator end and a magnetic energy receiving conversion output end, wherein the generator end includes a main drive board with a mains input end, a display control board, and a magnetic energy generating coil disk; the main drive board is used to power the display control board, and the display control board is used to apply instructions to control the main drive board; the magnetic energy receiving conversion output end includes a magnetic energy induction wire disk and a variable frequency inverter filter circuit, wherein the variable frequency inverter filter circuit is used to process the induced voltage generated by the magnetic energy induction wire disk to form the voltage and frequency required by the external device, and the variable frequency inverter filter circuit has an electric energy output end.

[0029] In the above-mentioned safe magnetic energy isolation power conversion system, the generator end and the receiving conversion output end are placed in different housing spaces, or separately integrated into one housing space (different cavities, non-contact). When current passes through the generator end, a magnetic field is generated. The coil at the receiving end generates voltage under the induction of the changing magnetic field, and forms current when loaded. After subsequent circuit processing, the required power supply voltage and frequency are output. The specific working principle is as follows:

[0030] like Figure 1 As shown, after the mains input terminal at the generator end is connected to the power supply, the main drive board 1 rectifies, regulates and stabilizes the input current to form the voltage required by the display control board 2, thereby supplying power to the display control board 2, and the whole machine is tested to be in standby state. The display control board 2 has a default self-start or manual operation button. After the start button of the display control board 2 is activated, the display control board 2 sends the start instruction to the main drive board 1, and the magnetic energy generation drive circuit of the main drive board 1 starts to work to convert the rectified direct current of the mains into high-frequency alternating current acting on the magnetic energy generation coil disk 4, and the magnetic energy generation coil disk 4 generates a magnetic field under the action of the high-frequency alternating current. At this time, after the induction coil disk 7 at the output end of the receiving converter senses the magnetic field generated by the magnetic generation coil disk, under the action of the magnetic field generated by the magnetic energy generation coil disk 4, an induced voltage of the same frequency is generated, wherein one path of the induced voltage is modulated, filtered and waveform shaped by the variable frequency inverter filter circuit 8 to form the voltage and frequency required by the external device, so as to output a safe voltage to the outside. At the same time, the receiving conversion output end also includes a collection control board 6, and the other path of the induced voltage is used to power the collection control board 6. The collection detection board is designed with voltage, current, and working temperature sensing functions, which are used to control the operating state of the variable frequency inverter filter circuit 8, and communicate with the generator end display control board 2 through wireless communication methods such as infrared transmitting / receiving tubes 5. In addition, the generator end and the receiving conversion output end are both equipped with cooling fans for auxiliary heat dissipation to ensure thermal stability when working at various power ends, so as to ensure stable operation of the equipment.

[0031] In the above-mentioned safe magnetic energy isolation power conversion system, the display control board 2 is one of the control parts of the converter, which has the functions of starting / stopping work, input power supply voltage, and frequency detection, and can start the output end adaptive input end power supply function when necessary, and also has the extended functions of output voltage adjustment, output frequency adjustment, power control, overcurrent, overheating protection, etc. and Bluetooth / WIFI networking. The main drive board 1 at the generator end has the functions of rectification, IGBT driving and protection, and can provide the stable voltage required by the display control board 2 and the voltage required for the magnetic energy generation coil disk to generate magnetic energy, and provide the specified working frequency according to the instruction. The first auxiliary cooling fan 3 is at the generator end, and the magnetic energy generation coil disk 4 and the main drive board 1 are cooled, and the second auxiliary cooling fan 10 is at the magnetic energy receiving and conversion end, and the high-power rectifier and inverter in the variable frequency inverter filter circuit 8 are cooled. The magnetic energy generation coil disk 4 and the main drive board 1 are electrically connected through the A-end wiring 11 and the B-end wiring 12, and the magnetic energy generation coil disk 4 converts the high-frequency voltage from the main drive board 1 into magnetic field energy. The infrared transmitting / receiving tube 5 is used for the feedback and command signals of the magnetic energy receiving conversion end and the magnetic energy generator end. The acquisition control board 6 and the induction coil disk 7 are electrically connected through the C-end connection 13 and the D-end connection 14. The acquisition control board 6 is used to adjust and stabilize the high-frequency voltage of the induction coil disk 7 (common) or the independent receiving coil disk, and then output the power required by the control circuit. It also has the functions of signal collection and command transmission, and realizes the control of the variable frequency inverter filter circuit 8. The variable frequency inverter filter circuit 8 includes rectifying the voltage induced by the induction coil disk 7, and outputting the voltage and frequency of the required waveform through the DC-AC conversion circuit, such as conventional mains electricity, and the output is the same as the mains electricity. The sine wave voltage and frequency can also be used as a DC output. The universal socket 9 can be conveniently used for external electrical appliances to connect to power.

[0032] In one embodiment of the present application, the generator end and the receiving conversion output end are respectively located in different housing spaces, such as Figure 2 As shown, the generator end is located in the generator end housing shell 15, and the receiving conversion output end is located in the receiving conversion output end housing shell 16. When in use, control operations can be performed by just approaching.

[0033] In another embodiment of the present application, the generator end and the receiving conversion output end are located in the same housing space, such as Figure 3 As shown, the generator end and the receiving conversion output end are both located in the overall housing assembly 17, and the two outputs are completely isolated from each other without direct electrical contact. At the same time, power conversion is achieved after induction through a wire reel at a certain distance.

[0034] In one embodiment of the present application, the mutual magnetic inductance of the wire reel includes but is not limited to the following forms:

[0035] (1) Figure 4 As shown, circular plane mutual inductance coil type, square, triangle or various special-shaped plane coil mutual inductance;

[0036] (2) Figure 5 As shown, circular curved surface or special form mutual inductance coil type, square, triangle or various special curved surface or special form coil mutual inductance;

[0037] (3) Figure 6 As shown, the magnetic mutual induction modes of the inner and outer coils include inner and outer circles, squares, triangles and various structural forms of inner and outer mutual induction modes.

[0038] In one embodiment of the present application, the input power source is AC power, or may be other types of power sources.

[0039] In addition, considering that in the power conversion process, the main drive board 1 at the generator end, the magnetic energy generation drive circuit and other components, as well as the frequency conversion inversion filter circuit 8, the acquisition control board 6 and other components at the receiving conversion output end will generate heat due to the passage of current. If the heat cannot be dissipated in time, it will cause the temperature of the component to rise, thereby affecting its performance, such as the conductivity of semiconductor devices, the stability of capacitors, etc. will be negatively affected, and long-term high temperature may also accelerate component aging and shorten service life. Therefore, in order to reduce the system failure and shutdown risks caused by temperature factors, the present application further arranges a first auxiliary cooling fan 3 at the generator end, and arranges a second auxiliary cooling fan 10 at the receiving conversion output end, accelerates air flow by the cooling fan, takes away heat, and makes the component work within a suitable temperature range, ensuring that its performance is stable and prolongs service life.

[0040] In particular, considering that the traditional fan speed control method mainly relies on manual setting and regulation, it is difficult to accurately adjust according to the actual working temperature changes, which may lead to poor heat dissipation effect or excessive energy consumption. Based on this, the present application further integrates a heat dissipation control unit in the acquisition control board, and through real-time acquisition and analysis of the working temperature data of the device, the fan speed gear is intelligently adjusted based on the time series change trend of the working temperature to ensure that the device can maintain the best heat dissipation effect under different workloads and environments.

[0041] Specifically, taking the second auxiliary cooling fan as an example, Figure 7 4 is a block diagram of a heat dissipation control unit in a safe magnetic energy isolation power conversion system according to an embodiment of the present application. Figure 8 This is a schematic diagram of data flow in a heat dissipation control unit in a safe magnetic energy isolation power conversion system according to an embodiment of the present application. Figure 7 and Figure 8As shown, the heat dissipation control unit 100 includes: a working temperature monitoring subunit 110, which is used to obtain a time queue of the working temperature collected by a temperature sensor; a local time domain temperature feature extraction subunit 120, which is used to perform time series encoding based on the local time domain on the time queue of the working temperature to obtain a sequence of local time series implicitly associated feature vectors of the working temperature; a temperature feature dynamic transmission subunit 130, which is used to perform information dynamic transmission on the sequence of local time series implicitly associated feature vectors of the working temperature to obtain a working temperature time series dynamic propagation coding vector; a fan speed gear recommendation subunit 140, which is used to determine the recommended result of the fan speed gear based on the working temperature time series dynamic propagation coding vector; a fan speed control subunit 150, which is used to control the fan speed of the second auxiliary heat dissipation fan based on the recommended result of the fan speed gear.

[0042] In the above-mentioned safe magnetic energy isolation power conversion system, the working temperature monitoring subunit 110 is used to obtain the time queue of the working temperature collected by the temperature sensor. It should be understood that by monitoring the working temperature of the receiving conversion output end in real time through the built-in temperature sensor, forming a time queue of the working temperature, the temperature change information of the receiving conversion output end in different working stages can be obtained in real time, and the temperature change situation can be accurately grasped to better control the speed of the second auxiliary cooling fan.

[0043] Specifically, first of all, choosing a suitable temperature sensor is crucial for accurately collecting the working temperature. Common types of temperature sensors on the market include thermocouples, resistance temperature detectors (RTDs), thermistors, and digital temperature sensors. Each type of sensor has its own unique advantages and disadvantages and is suitable for different application scenarios. For example, thermocouples have a wide measurement range and are suitable for high temperature environments; while RTDs are known for their high accuracy and stability and are more suitable for precision measurement occasions. For household appliances, considering the cost-effectiveness and ease of installation, cost-effective digital temperature sensors or thermistors are usually selected.

[0044] After determining the sensor type, it is also very important to arrange these sensors properly. Ideally, multiple sensor points should be set near the key heat-generating components of the device to fully cover the areas where heat may be generated. For example, placing sensors in locations such as power modules, processors, transformers, IGBTs and heat sinks can effectively monitor the main heat sources. In addition, sensors should be installed at the air inlets and outlets of the equipment to understand the impact of air flow on heat dissipation. In this way, more complete and representative temperature distribution information can be obtained, providing a solid foundation for subsequent data analysis.

[0045] In the above-mentioned safe magnetic energy isolation power conversion system, the local time domain temperature feature extraction subunit 120 is used to perform time series encoding based on the local time domain on the time queue of the working temperature to obtain a sequence of implicitly associated feature vectors of the local time series of the working temperature. In a specific example of the present application, the local time domain temperature feature extraction subunit 120 is used to: divide the time queue of the working temperature into equal time length sequences to obtain a sequence of local time series subsequences of the working temperature; input each local time series subsequence of the working temperature in the sequence of local time series subsequences of the working temperature into a temperature sequence encoder based on the LSTM-RNN hybrid model to obtain a sequence of implicitly associated feature vectors of the local time series of the working temperature.

[0046] It should be understood that, considering that the time queue of the complete working temperature may have a long time span, it will lead to excessive calculation in the data analysis process and it is difficult to accurately capture the detailed information of the temperature change. Therefore, the present application further divides the time queue of the working temperature into multiple equal-length local time series subsequences of the working temperature, so as to more finely analyze the temperature change trend and subtle fluctuations in the local time period, provide more targeted data segments for subsequent temperature data analysis, and improve the accuracy and efficiency of fan speed control.

[0047] Next, a temperature sequence encoder based on a LSTM-RNN hybrid model is used to perform time encoding on each local time series subsequence of the working temperature to obtain a sequence of implicitly associated feature vectors of the local time series of the working temperature. It should be known that the RNN (recurrent neural network) model and the LSTM (long short-term memory network) model have strong advantages in processing time series data, and can effectively capture the time series dependencies and long-term trends of temperature changes. Among them, the LSTM model can maintain and transmit key information over a long time span through its unique gating mechanism, while the RNN model is good at processing sequence dependencies in the short term. Based on this, by using the LSTM-RNN hybrid model to process each local time series subsequence of the working temperature, the advantages of the LSTM model and the RNN model can be comprehensively utilized to more comprehensively capture the implicit features in the temperature data, such as the temperature rising trend, the rate of decline, the amplitude of fluctuation, etc., and convert the original temperature data into a more representative feature representation, that is, a sequence of implicitly associated feature vectors of the local time series of the working temperature, thereby providing a more reliable data basis for the subsequent fan speed control.

[0048] In the above-mentioned safe magnetic energy isolation power conversion system, the temperature characteristic dynamic transmission subunit 130 is used to dynamically transmit information of the sequence of the implicitly associated characteristic vectors of the local timing of the working temperature to obtain the dynamic propagation coding vector of the working temperature timing. It should be understood that since the sequence of the implicitly associated characteristic vectors of the local timing of the working temperature respectively represents the temperature change characteristics of the equipment in each local time period, in order to further consider the overall change trend and long-term impact of the equipment working temperature, the present application further performs information transmission dynamic aggregation processing on the sequence of the implicitly associated characteristic vectors of the local timing of the working temperature to obtain a comprehensive characteristic representation of the global temperature change trend of the equipment, thereby ensuring that the overall thermal state of the equipment can be comprehensively considered during the fan speed control process to avoid misjudgment caused by local temperature fluctuations. Among them, Fig. 9 FIG. 1 is a block diagram of a temperature characteristic dynamic transmission subunit in a safe magnetic energy isolation power conversion system according to an embodiment of the present application. Fig. 9 As shown, the temperature feature dynamic transmission subunit 130 includes: a feature jump degree calculation secondary subunit 131, which is used to calculate the feature jump degree of each working temperature local time series implicitly associated feature vector in the sequence of the working temperature local time series implicitly associated feature vectors to obtain a sequence of working temperature local time series feature jump degrees; a message transmission space span calculation secondary subunit 132, which is used to calculate the message transmission space span of each working temperature local time series implicitly associated feature vector in the sequence of the working temperature local time series implicitly associated feature vectors to obtain a sequence of working temperature local time series feature message transmission space spans; a feature transmission significance measurement secondary subunit 133, which is used to measure the message transmission significance of each working temperature local time series implicitly associated feature vector in the sequence of the working temperature local time series implicitly associated feature vectors. The characteristic jump degree and message transmission space span of the local timing implicitly associated feature vector of the working temperature are used to calculate the message transmission significance factor of each local timing implicitly associated feature vector of the working temperature to obtain a sequence of message transmission significance factors of the local timing characteristics of the working temperature; the gated screening secondary subunit 134 is used to input the sequence of message transmission significance factors of the local timing characteristics of the working temperature into the gated transmission unit to obtain a sequence of message transmission significance weights of the local timing characteristics of the working temperature; the characteristic modulation aggregation secondary subunit 135 is used to use the sequence of message transmission significance weights of the local timing characteristics of the working temperature as the sequence of weights, and calculate the weighted sum of the sequence of the local timing implicitly associated feature vector of the working temperature to obtain the working temperature timing dynamic propagation coding vector.

[0049] Specifically, the characteristic jump degree calculation secondary subunit 131 is expressed by the formula:

[0050] J={v1,v2,...,v i ,...,v n}

[0051]

[0052]

[0053] Where J represents the sequence of implicitly associated feature vectors of the local time series of the operating temperature, v1, v2, v i and v n represent the first, second, i-th and n-th working temperature local time series implicitly associated feature vectors in the sequence of the working temperature local time series implicitly associated feature vectors respectively, n is the number of feature vectors in the sequence of the working temperature local time series implicitly associated feature vectors, represents the eigenvalue of the jth position in the i-th working temperature local time series implicit correlation eigenvector, L is the eigenscale value of the i-th working temperature local time series implicit correlation eigenvector, u i is the local time domain characteristic intensity factor of the implicit correlation characteristic vector of the local time series of the i-th operating temperature, u i+1 represents the local time domain characteristic intensity factor of the implicit correlation characteristic vector of the local time series of the i+1th operating temperature, t i Represents the characteristic jump degree of the implicit correlation characteristic vector of the i-th operating temperature local time series.

[0054] That is, the present application takes into account that during the power conversion process, the change in component temperature is not smooth and continuous, and may suddenly increase or decrease due to instantaneous load changes, circuit anomalies, etc. Therefore, in order to keenly capture abnormal temperature fluctuations, the present application first calculates the characteristic jump degree of each operating temperature local time series implicit correlation feature vector to measure the relative degree of change of adjacent local time domain temperature features. It should be understood that in the process of information transmission encoding of the sequence of the operating temperature local time series implicit correlation feature vectors, each operating temperature local time series implicit correlation feature vector interacts with its adjacent time domain features in a time sequence relationship to transmit information. If the characteristic jump degree of a local time domain temperature feature is large, it means that there is a large temperature fluctuation or anomaly, and it is necessary to focus on and strengthen its impact in the subsequent information transmission encoding process.

[0055] Specifically, the message transmission space span calculation secondary subunit 132 is expressed by the formula:

[0056] s i =Count(v i →v n )

[0057] Among them, s i represents the message transmission space span of the implicit correlation feature vector of the local timing of the i-th operating temperature, Count(v i→v n ) represents the v i and the v n The number of eigenvectors between them.

[0058] That is, the present application takes into account that the influence of early temperature data on the current thermal state of the device may gradually weaken relative to the current time. Therefore, the present application further quantifies the information influence of each local time domain temperature feature relative to the current time point by calculating the message transmission space span of each local time series implicit correlation feature vector of the operating temperature. Specifically, the temperature feature with a smaller message transmission space span indicates that its influence on the current thermal state is more direct and significant, so it should be given a higher weight in the information aggregation process, while the temperature feature with a larger message transmission space span should have its weight reduced accordingly. In this way, the contribution of each local time domain temperature feature to the current thermal state can be more accurately reflected, so as to dynamically adjust its weight in the information transmission process, thereby improving the accuracy of information aggregation.

[0059] Specifically, the feature transfer significance measurement secondary subunit 133 is expressed by the formula:

[0060]

[0061] Among them, α and β are preset weight parameters, which are used to balance the influence of feature jump degree and message transmission space span. i represents the message transfer significance factor of the i-th operating temperature local timing implicit correlation eigenvector.

[0062] That is, in order to comprehensively consider the two important factors of feature jump degree and message transmission space span, and more accurately measure the importance of each working temperature local time series implicit correlation feature vector in the message transmission process, the present application further calculates the message transmission significance factor based on the feature jump degree and message transmission space span of each working temperature local time series implicit correlation feature vector, so that in the subsequent message transmission process, more focus can be placed on the temperature change characteristics and significant temperature fluctuations in recent time periods, avoiding interference from irrelevant or minor information, thereby improving the efficiency and accuracy of the entire message transmission network and providing a more reliable basis for the precise control of fan speed.

[0063] Specifically, the gated screening secondary subunit 134 is expressed by the formula:

[0064]

[0065] Among them, softmax(·) is the normalized exponential function, mask[·] is the gated mask function, τ is the gated threshold, and w i For the v iThe local timing characteristics of the operating temperature message pass significant weight.

[0066] Specifically, the characteristic modulation aggregation secondary subunit 135 is expressed by the formula:

[0067]

[0068] Among them, v f Represents the operating temperature timing dynamic propagation encoding vector.

[0069] That is, the present application further introduces a gating mechanism to perform gating screening on the message transmission significance factors of each local time series implicitly associated feature vector of the working temperature, generate a sequence of message transmission significance weights of the local time series feature of the working temperature, and use this to perform weighted aggregation on the original sequence of the local time series implicitly associated feature vector of the working temperature, thereby selectively strengthening the important local time domain temperature features, while suppressing those with less impact or irrelevant feature representations, and generating a working temperature time series dynamic propagation coding vector. In this way, the temperature change trend can be fully grasped, while considering the transition changes between the local time domain temperature features in the global time domain, so as to more accurately reflect the actual thermal state of the equipment.

[0070] In the above-mentioned safe magnetic energy isolation power conversion system, the fan speed gear recommendation subunit 140 is used to determine the recommendation result of the fan speed gear based on the operating temperature time series dynamic propagation coding vector. In a specific example of the present application, the fan speed gear recommendation subunit 140 is used to: input the operating temperature time series dynamic propagation coding vector into a classifier-based speed controller to obtain the recommendation result of the fan speed gear. Specifically, the classifier-based speed controller constructs a mapping relationship between the temperature time series change characteristics and the fan speed gear by learning and training a large amount of historical temperature data and fan speed control experience, so that when receiving the operating temperature time series dynamic propagation coding vector, it can quickly determine the appropriate fan speed gear and output the recommendation result based on the temperature change information contained in the operating temperature time series dynamic propagation coding vector.

[0071] In a preferred example of the present application, the operating temperature timing dynamic propagation coding vector is passed through a classifier-based speed controller to obtain a recommendation result of a fan speed gear, including:

[0072] First, the median eigenvalue, the maximum eigenvalue and the minimum eigenvalue in the operating temperature timing dynamic propagation coding vector are determined, and the median eigenvalue is divided by the difference between the maximum eigenvalue and the minimum eigenvalue to obtain the operating temperature timing dynamic propagation coding distribution probability value, which is expressed as follows:

[0073] p=vmid / (v max -v min )

[0074] Among them, p represents the distribution probability value of the dynamic propagation code of the operating temperature timing, v mid represents the median eigenvalue in the dynamic propagation encoding vector of the operating temperature time series, v max and v min They represent the maximum eigenvalue and the minimum eigenvalue in the dynamic propagation encoding vector of the operating temperature timing respectively;

[0075] Secondly, the working temperature timing dynamic propagation coding vector is normalized to the maximum value to obtain the working temperature timing dynamic propagation coding probability feature vector, and the power function of each eigenvalue of the working temperature timing dynamic propagation coding probability feature vector is calculated with one minus the working temperature timing dynamic propagation coding distribution probability value as the exponent to obtain the first working temperature timing dynamic propagation coding convergence feature vector, which is expressed as follows:

[0076] V1=V ⊙(1-p)

[0077] Where V1 represents the convergence feature vector of the first working temperature timing dynamic propagation coding, V represents the working temperature timing dynamic propagation coding vector, (·) ⊙(1-p) represents a power function whose exponent is one minus the operating temperature timing dynamic propagation code distribution probability value;

[0078] Next, the power function of each eigenvalue of the point difference eigenvector between the unit eigenvector and the operating temperature time series dynamic propagation coding probability eigenvector is calculated with the operating temperature time series dynamic propagation coding distribution probability value as an exponent to obtain the second operating temperature time series dynamic propagation coding convergence eigenvector, which is expressed as follows:

[0079]

[0080] Wherein, V2 represents the second operating temperature timing dynamic propagation coding convergence eigenvector, I represents the unit eigenvector, represents the vector spread, (·) ⊙p It represents that the power function of each eigenvalue in the eigenvector is calculated with the operating temperature time series dynamic propagation code distribution probability value as an exponent;

[0081] Then, the operating temperature time series dynamic propagation coding probability feature vector is multiplied by the difference between one minus the operating temperature time series dynamic propagation coding distribution probability value to obtain a first operating temperature time series dynamic propagation coding limited feature vector, which is expressed as:

[0082] V3=V⊙(1-p)

[0083] Wherein, V3 represents the first operating temperature time series dynamic propagation coding limited feature vector, ⊙ represents vector dot product;

[0084] Next, the point difference feature vector is multiplied by the operating temperature time series dynamic propagation coding distribution probability value to obtain a second operating temperature time series dynamic propagation coding limited feature vector, which is expressed as:

[0085]

[0086] Wherein, V4 represents the second operating temperature timing dynamic propagation coding limited feature vector;

[0087] Then, after multiplying the first working temperature timing dynamic propagation coding convergence feature vector by the second working temperature timing dynamic propagation coding convergence feature vector, the optimized working temperature timing dynamic propagation coding vector is obtained by multiplying the first working temperature timing dynamic propagation coding limit feature vector by the first working temperature timing dynamic propagation coding limit feature vector, which is expressed as follows:

[0088]

[0089] Where V′ represents the optimized operating temperature timing dynamic propagation encoding vector, Represents vector point addition;

[0090] Finally, the optimized operating temperature timing dynamic propagation encoding vector is passed through a classifier-based speed controller to obtain a recommended result of the fan speed gear.

[0091] Here, the present application takes into account that each working temperature local time series implicit correlation feature vector in the sequence of the working temperature local time series implicit correlation feature vectors respectively represents the working temperature local time domain temperature implicit correlation coding features. When performing feature sequence message transmission based on feature jump degree, due to the fluctuation of feature jump degree calculation accuracy caused by multi-scale coding of the working temperature time series, the working temperature time series dynamic propagation coding vector will have a probability convergence and divergence based on the dynamic propagation of different local time series features, thereby affecting the accuracy of the recommended result of the fan speed gear obtained by the speed controller based on the classifier.

[0092] Based on this, the present application uses the cross entropy form power series of the distribution analytic probability of the working temperature time series dynamic propagation coding vector as the probability distribution convergence limit to perform regression probability convergence approximation on the basis of the combination of the feature set distribution and the probability density distribution of the working temperature time series dynamic propagation coding vector, so as to avoid the conservative convergence control of the fatal potential divergence of the working temperature time series dynamic propagation coding vector, further use the probability distribution cross entropy of the working temperature time series dynamic propagation coding vector as the objective function to guide the limited recovery strategy, so as to achieve the common agility of convergence of the probability convergence and divergence of the working temperature time series dynamic propagation coding vector to the probability density distribution space, and improve the accuracy of the recommended result of the fan speed gear obtained by the working temperature time series dynamic propagation coding vector through the classifier-based speed controller.

[0093] In the above-mentioned safe magnetic energy isolation power conversion system, the fan speed control subunit 150 is used to control the fan speed of the second auxiliary cooling fan based on the recommended result of the fan speed gear. That is, after determining the fan speed gear, the system sends a control signal to the second auxiliary cooling fan to adjust its speed accordingly to achieve the optimal heat dissipation effect. In this way, not only can the performance degradation or damage of the equipment caused by excessive temperature be effectively avoided, but the fan speed can also be dynamically adjusted according to the temperature changes monitored in real time to ensure that the best heat dissipation state can be maintained under any working conditions.

[0094] Specifically, first, after determining the recommended fan speed level, the main controller will generate a specific control instruction based on this information. The instruction is usually a digital or analog signal representing the target fan speed value. In order for the fan motor to understand and execute this instruction, the drive circuit inside the control system will be responsible for converting the signal from the main controller into a form suitable for driving the fan motor. This may involve voltage level conversion or pulse width modulation (PWM) signal generation, depending on the technical specifications and control requirements of the fan motor.

[0095] For fans using PWM technology, the main controller adjusts the speed by changing the width of the pulses applied to the fan motor. PWM is an efficient speed regulation method that provides fine speed control without significantly affecting efficiency. When the PWM signal is sent to the fan motor, the electronic components inside the motor adjust the rotation speed according to the received pulse width: a wider pulse means a higher duty cycle, resulting in a faster speed; conversely, a narrow pulse corresponds to a lower speed. This method allows the fan to be flexibly adjusted under different working conditions to meet the cooling needs without wasting energy.

[0096] In addition, in order to ensure that the fan operates as expected and can adapt to the changing working environment, modern control systems are usually equipped with real-time feedback mechanisms. For example, the fan may be equipped with a Hall effect sensor or other type of speed detection device to monitor the actual speed of the fan and feed the data back to the main controller. In this way, if there is a deviation between the actual speed of the fan and the set value, the main controller can make timely adjustments based on this feedback information to ensure that the fan always maintains an ideal operating state.

[0097] Safety considerations are also an important part of controlling fan speed. Considering that the fan is one of the important safety components in household appliances, especially in preventing overheating, it is necessary to ensure that it works stably and reliably. To this end, the control system will take measures in both hardware design and software algorithms, such as setting reasonable protection thresholds. When abnormal conditions such as fan failure or overtemperature are detected, corresponding actions are automatically taken, such as stopping the device or triggering an alarm, to avoid potential safety hazards.

[0098] In summary, the safe magnetic energy isolation power conversion system based on the embodiment of the present application is explained, which includes a relatively arranged generator end and a receiving conversion output end, the generator end includes a main drive board, a display control board, and a magnetic energy generating coil disk. After the display control board is started, it automatically sends instructions to the main drive board, and the main drive board forms a high-frequency voltage after rectifying and stepping down the main power to generate a high-frequency alternating magnetic field through the magnetic energy generating coil disk. The magnetic energy receiving coil at the receiving conversion output end generates an induced voltage of the same frequency after induction of the high-frequency alternating magnetic field, one way is processed by the frequency conversion inverter filter circuit to form a safe voltage for external output, and the other way is powered by the acquisition control board to control the frequency conversion inverter filter circuit. At the same time, the generator end and the receiving conversion output end are both equipped with a cooling fan for auxiliary heat dissipation to ensure its thermal stability. In this way, the output end will not cause a loop with the main power after the air-insulated magnetic energy induction, and the risk of electric shock caused by leakage is completely avoided.

[0099] The basic principle of the present invention is described above in conjunction with specific embodiments. However, it should be pointed out that the advantages, strengths, effects, etc. mentioned in the present invention are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. must be possessed by each embodiment of the present invention. In addition, the specific details of the above embodiments are only for the purpose of illustration and facilitation of understanding, rather than limitation, and the above details do not limit the present invention to being implemented by adopting the above specific details.

[0100] In the above embodiments, the description of each embodiment has its own emphasis. For the parts that are not described or recorded in detail in a certain embodiment, please refer to the relevant description of other embodiments. In the several embodiments provided by the present invention, it should be understood that the disclosed system and method can be implemented in other ways. For example, the system embodiment described above is only schematic. For example, the unit division is only a logical function division, and there may be other division methods in actual implementation. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the scheme of this embodiment.

[0101] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference to a figure in a claim should not be considered as limiting the claim to which it relates.

[0102] In addition, it is obvious that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. The multiple units stated in the system claims can also be implemented by one unit through software or hardware.

[0103] Finally, it should be noted that the above description has been given for the purpose of illustration and description. In addition, the above embodiments are only used to illustrate the technical solution of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A safe magnetic energy isolation power conversion system, characterized in that: include: A generator terminal and a receiving conversion output terminal are arranged opposite to each other; Wherein, the generator end includes a main drive board with a mains input end, a display control board, and a magnetic energy generating coil disk; the main drive board is used to power the display control board and realize the generation of the magnetic energy generating coil disk based on instructions, and the display control board is used to apply instructions to control the main drive board; The receiving conversion output end includes a magnetic energy induction coil and a variable frequency inverter filter circuit, wherein the variable frequency inverter filter circuit is used to process the induced voltage generated by the magnetic energy induction coil to form the voltage and frequency required by the external device, and the variable frequency inverter filter circuit has an electric energy output end.

2. The safe magnetic energy isolation power conversion system according to claim 1, characterized in that: After the AC power input terminal is connected to a power source, the main drive board rectifies, reduces the voltage and stabilizes the input current to form the voltage required by the display control board, thereby powering the display control board; after the start button of the display control board is activated, the display control board sends a start instruction to the main drive board, and the magnetic energy generating drive circuit of the main drive board starts working to convert the AC power into direct current, and converts the direct current into high-frequency alternating current acting on the magnetic energy generating coil disk, and the magnetic energy generating coil disk generates a magnetic field under the action of the high-frequency alternating current.

3. The safe magnetic energy isolation power conversion system according to claim 2, characterized in that: The magnetic energy induction coil generates an induced voltage under the action of the magnetic field generated by the magnetic energy generating coil disk, wherein one path of the induced voltage is rectified, frequency modulated, filtered and waveform shaped through the variable frequency inverter filter circuit to form the voltage and frequency required by the external device.

4. The safe magnetic energy isolation power conversion system according to claim 3, characterized in that: The receiving conversion output end also includes an acquisition control board, wherein another path of the induced voltage is used to power the acquisition control board, and the acquisition control board is used to control the variable frequency inverter filter circuit.

5. The safe magnetic energy isolation power conversion system according to claim 4, characterized in that: The generator end also includes a first auxiliary cooling fan, and the receiving conversion output end also includes a second auxiliary cooling fan.

6. The safe magnetic energy isolation power conversion system according to claim 5, characterized in that: The generator end and the receiving conversion output end are respectively located in different housing spaces.

7. The safe magnetic energy isolation power conversion system according to claim 6, characterized in that: The acquisition control board further includes a heat dissipation control unit, and the heat dissipation control unit is used to control the fan speed of the second auxiliary heat dissipation fan; Wherein, the heat dissipation control unit further comprises: A working temperature monitoring subunit, used to obtain a time queue of working temperature collected by a temperature sensor; A local time domain temperature feature extraction subunit, used for performing time series encoding based on the local time domain on the time queue of the working temperature to obtain a sequence of implicitly associated feature vectors of the local time series of the working temperature; A temperature characteristic dynamic transmission subunit, used for dynamically transmitting information on the sequence of implicitly associated characteristic vectors of the local time series of the working temperature to obtain a dynamic propagation coding vector of the working temperature time series; A fan speed gear recommendation subunit, configured to determine a recommendation result of a fan speed gear based on the operating temperature timing dynamic propagation coding vector; The fan speed control subunit is used to control the fan speed of the second auxiliary heat dissipation fan based on the recommendation result of the fan speed gear.

8. The safe magnetic energy isolation power conversion system according to claim 7, characterized in that: The local time-domain temperature feature extraction subunit is used to: The time queue of the working temperature is divided into sequences of equal time length to obtain a sequence of local time series subsequences of the working temperature; Each of the operating temperature local time series subsequences in the sequence of the operating temperature local time series subsequences is input into a temperature sequence encoder based on an LSTM-RNN hybrid model to obtain a sequence of implicitly associated feature vectors of the operating temperature local time series.

9. The safe magnetic energy isolation power conversion system according to claim 8, characterized in that: The temperature characteristic dynamic transmission subunit comprises: The characteristic jump degree calculation secondary subunit is used to calculate the characteristic jump degree of each working temperature local time series implicitly associated characteristic vector in the sequence of the working temperature local time series implicitly associated characteristic vectors to obtain a sequence of working temperature local time series characteristic jump degrees; A message passing space span calculation secondary subunit is used to calculate the message passing space span of each working temperature local timing implicit correlation feature vector in the sequence of working temperature local timing implicit correlation feature vectors to obtain a sequence of working temperature local timing feature message passing space spans; The feature transfer significance measurement secondary subunit is used to calculate the message transfer significance factor of each working temperature local time series implicit association feature vector in the sequence of the working temperature local time series implicit association feature vector based on the feature jump degree and message transfer space span of each working temperature local time series implicit association feature vector to obtain a sequence of working temperature local time series feature message transfer significance factors; A gated screening secondary subunit, used for inputting the sequence of significant factors of the working temperature local time series characteristic message transmission into a gated transmission unit to obtain a sequence of significant weights of the working temperature local time series characteristic message transmission; The feature modulation aggregation secondary subunit is used to use the sequence of significant weights of the working temperature local timing feature message transmission as the sequence of weights, calculate the weighted sum of the sequence of implicitly associated feature vectors of the working temperature local timing to obtain the working temperature timing dynamic propagation coding vector.

10. The safe magnetic energy isolation power conversion system according to claim 9, characterized in that: The fan speed gear recommendation subunit is used to: The operating temperature time series dynamic propagation coding vector is input into a speed controller based on a classifier to obtain a recommendation result of the fan speed gear.

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