Application processing method of advanced device for space navigation in power supply product
By precisely adapting advanced aerospace devices and combining circuit topology design and optimization, manufacturing and assembly processes, and strict testing and quality control, we have solved the shortcomings of aerospace power products in device selection, circuit design, and manufacturing and assembly, achieving high-efficiency and high-reliability power supply to adapt to the harsh environment of space.
Patent Information
- Application Number
- CN202510862234.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-25
- Publication Date
- 2025-09-23
AI Technical Summary
Existing aerospace power supply products are unable to meet the high-efficiency performance and high-reliability requirements of modern aerospace missions in terms of device selection, circuit design, manufacturing and assembly, and testing quality control, especially the lack of stability in the harsh environment of space.
We use precisely adapted advanced aerospace devices, combined with circuit topology design and optimization, manufacturing and assembly processes, and strict testing and quality control. This includes device selection and evaluation, circuit design and optimization, manufacturing and assembly processes, and testing and quality control to ensure device compatibility, circuit redundancy, and efficient energy conversion. We conduct comprehensive performance and reliability testing through reflow soldering, potting technology, and magnetic component processing.
It achieves efficient energy conversion and stable and reliable power supply for power supply products, improves reliability and stability in space environment, reduces the probability of failure, and ensures the smooth progress of space missions.
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of power supply products, and in particular to an application and processing method of advanced aerospace devices in power supply products. Background Art
[0002] In the aerospace sector, satellites, space stations, and other aerospace equipment place extremely high demands on power supply products for performance, reliability, and stability. These products must accommodate a wide range of bus voltages (30V, 42V, 100V, etc.), power levels (from low-power charging and discharging modules to high-power payload power supplies), and diverse application scenarios (satellite payloads, onboard phased arrays, etc.). Furthermore, the harsh space environment, characterized by high-intensity radiation (TID: 20Krad (si) to 100Krad (si)) and extreme temperature fluctuations (the common space temperature range of -55°C to +125°C), poses significant challenges to power supply products.
[0003] However, ensuring efficient performance, high reliability, and stability in the complex mission requirements and harsh space environments is a critical challenge in the development and production of aerospace power products. Traditional power products suffer from shortcomings in device selection, circuit design, manufacturing and assembly, and testing quality control, making them difficult to meet the demands of modern aerospace missions. New application processing methods are urgently needed to address these challenges. Summary of the Invention
[0004] (1) Technical problems solved In response to the shortcomings of the existing technology, the present invention provides an application and processing method for advanced aerospace devices in power supply products, which has the advantages of precise adaptation and high efficiency. It solves the problem that traditional power supply products have shortcomings in device selection, circuit design, manufacturing and assembly, and testing quality control, and are difficult to meet the needs of modern aerospace missions.
[0005] (2) Technical solution To achieve the above-mentioned precise adaptation and high-efficiency performance goals, the present invention provides the following technical solutions: Preferably, the application and processing method of advanced aerospace devices in power products includes S1 device selection and evaluation, S2 circuit design and optimization, S3 manufacturing and assembly process, and S4 testing and quality control, characterized in that: the S1 device selection and evaluation includes S101 determining power product requirements, S102 screening suitable advanced aerospace devices, and S103 evaluating device compatibility; Among them, S2 circuit design and optimization includes S201 circuit topology design based on advanced devices, S202 system integration and optimization, and S203 reliability design and redundancy backup; Among them, S3 manufacturing and assembly process includes S301 electronic assembly process, S302 potting technology application and S303 magnetic component production and processing; Among them, S4 testing and quality control includes S401 performance testing, S402 reliability testing and S403 quality inspection and control.
[0006] Preferably, the step S101 determines the power supply product requirements: Based on the power supply requirements of different aerospace missions, such as satellite power supply, the bus voltage, power and application scenarios must be considered, and the specific functions and performance indicators of the power supply must be clarified, such as output voltage range, current, ripple, and efficiency parameter requirements; S102 screens and adapts advanced aerospace components: For high radiation environments (TID: 20Krad (si) ~ 100Krad (si)), select devices with radiation-resistant characteristics, specific semiconductor devices. These devices can work stably in harsh space radiation environments, reducing performance degradation or failures caused by radiation; Pay attention to the reliability and stability indicators of the device, select aerospace-grade devices with high reliability, reduce the failure probability of power products in the complex environment of space, and ensure long-term stable operation; S103 evaluates device compatibility: Compatibility testing is performed on selected advanced aerospace devices to test their compatibility with other electronic components in power products in terms of electrical characteristics, physical dimensions and thermal performance, ensuring that the pin spacing and mounting method of the new devices match the circuit board design to avoid installation difficulties or poor electrical connections.
[0007] Preferably, the circuit topology design of S201 is based on advanced devices: Select the appropriate circuit topology based on the power supply product's functions and the characteristics of the selected advanced aerospace devices. For power supplies requiring high efficiency, adopt quasi-resonant, ZVS (zero voltage switching), and LCC topologies, leveraging the advantages of advanced devices to improve power efficiency. The efficiency of some modules can reach 91% - 94%. S202 system integration and optimization: Integrate multiple advanced aerospace devices into the power supply system to ensure coordinated operation between the devices. In the customized high- and low-voltage hybrid multi-channel secondary power supply, rationally arrange output modules of different voltage levels, as well as corresponding control and protection circuits, to achieve stable output of 10-40 different voltages (3.3V, ±5V, ±12V, ±24V, ±150V, -1200V); S203 reliability design and redundancy backup: To improve the reliability of power products in aerospace environments, redundant backup circuits are designed. For example, parallel or backup modules are used in key circuits. When the main module fails, the backup module automatically switches to work, ensuring uninterrupted operation of the power system. Add overvoltage, overcurrent, and overheating protection circuits, and optimize the protection parameters based on the characteristics of advanced aerospace devices. For example, the overvoltage and overcurrent protection thresholds are accurately set based on the voltage and current carrying capacity of the selected device, ensuring the normal operation of the power supply system while protecting the device.
[0008] Preferably, the S301 electronic assembly process: A combination of reflow soldering and manual soldering is used to install electronic components. For advanced aerospace components with dense pins and high soldering precision requirements, reflow soldering is preferred to ensure soldering quality and reliability. For some special components or parts that require manual adjustment, manual soldering is used, and anti-static technical specifications are strictly followed to prevent static damage to the components. S302 potting technology application: For advanced aerospace components and circuits in the high-voltage section, high-voltage transformer potting technology, high-voltage component full potting technology, or ultra-high voltage potting technology is used. For key components and circuits in titanium pump high-voltage power supplies (3kV-10kV) and high-stability high-voltage power supplies (1kV-100kV), the potting process is used to improve their electrical insulation performance and resistance to environmental interference. Among them, the selection of suitable potting materials requires that the potting materials have good electrical insulation performance, high and low temperature resistance and mechanical properties. During the potting process, ensure that the potting materials are evenly filled to avoid bubbles or voids that affect the potting effect; S303 magnetic component production and processing: We use magnetic component insulation design and winding technology to produce magnetic components that meet the requirements. According to the parameter requirements of the power circuit, we accurately design the number of turns, wire diameter and core material of the magnetic components to ensure that the performance of the magnetic components meets the energy conversion and filtering requirements of the power supply. The finished magnetic components are screened and their inductance, permeability, and DC resistance parameters are tested to eliminate unqualified products and ensure the consistency and reliability of the magnetic components.
[0009] Preferably, the S401 performance test: After the power supply product is manufactured, it is subjected to comprehensive performance testing. Test items include testing of basic performance parameters such as input voltage range (such as 36V-46V), output voltage / current / ripple (such as +5VD / 3A / 50mV), and efficiency (such as efficiency indicators of more than 90% for different modules) to ensure that the power supply product meets the design requirements; Among them, the environmental adaptability tests of power supply products are carried out by simulating aerospace environmental conditions such as temperature, humidity, air pressure, and radiation. For example, the performance stability of the power supply is tested in high and low temperature environments (the common aerospace temperature range of -55°C to +125°C) to verify whether advanced aerospace devices can operate normally in extreme environments. S402 reliability test: Conduct reliability tests, such as aging tests, vibration tests, and shock tests. Aging tests simulate the long-term operating conditions of power supply products and identify potential fault hazards in advance. Vibration and shock tests verify the power supply product's ability to withstand vibration and shock during space flight, ensuring the reliability and stability of the connection between advanced aerospace devices and the entire power supply system. Among them, problems encountered during the testing process are analyzed and improved. For performance problems or failures caused by advanced aerospace components, the device selection, circuit design or manufacturing process are optimized to improve the overall reliability of the power supply product. S403 Quality Inspection and Control: Establish a strict quality inspection process, conduct quality inspections at every stage from raw material procurement to final product delivery, conduct strict incoming inspections on advanced aerospace components, verify component models, parameters, and quality certification documents, and ensure that component quality meets requirements; Among them, during the production process, real-time monitoring and inspection are carried out on key processes and quality control points, such as welding quality inspection and potting quality inspection, to ensure the consistency and stability of product quality, identify, isolate and handle unqualified products, analyze the reasons for unqualified products, and take corresponding corrective and preventive measures to prevent unqualified products from flowing into the next process or leaving the factory.
[0010] Preferably, the S102 screens suitable advanced aerospace devices, taking into account the electrical performance of the devices to ensure that their parameters meet the power supply design requirements, such as the voltage resistance and current carrying capacity of the power device must match the voltage and current levels of the power supply; for high-power pulse power supply modules, devices that can withstand high-power pulses are selected to meet the power requirements of 500W average and 4kW pulse.
[0011] Preferably, the S103 evaluates device compatibility, simulates the actual working environment, performs electrical performance testing on the device combination, and verifies whether different devices will generate interference when working together, such as signal interference and electromagnetic interference, to ensure the stability and reliability of the entire power supply system.
[0012] Preferably, the S201 is designed based on the circuit topology of advanced devices. When designing the circuit, the parameters of advanced aerospace devices, such as switching speed and on-resistance, are fully considered to optimize circuit parameters, reduce energy loss, and increase power density. For example, by reasonably selecting magnetic elements and capacitor and inductor parameters, efficient energy conversion is achieved in conjunction with advanced devices.
[0013] Preferably, the S202 system integration and optimization uses key technologies of analog to digital conversion - standard circuits, digital stand-alone machines, and module integration to optimize the power supply system and improve the accuracy and stability of the power supply through digital control. For example, the bias power supply adopts real-time digital signal 300M and high-precision 20-bit D / A control to achieve output control of voltage of tens of V, current of 2A, and 1PPM accuracy.
[0014] Preferably, the S301 electronic assembly process ensures that the installation position of advanced aerospace devices is accurate and firmly fixed during the structural assembly process, and adopts appropriate fixing materials and methods to avoid loosening or displacement of devices due to vibration and impact factors in the space environment.
[0015] (3) Beneficial effects Compared with the prior art, the present invention provides a method for processing and applying advanced aerospace devices in power supply products, which has the following beneficial effects: 1. The application and processing method of this advanced aerospace device in power supply products achieves precise adaptation and high-efficiency performance: through in-depth analysis of the specific power supply requirements of different aerospace missions, accurate screening of suitable advanced aerospace devices, and combining their characteristics to carry out circuit topology design and parameter optimization, it can give full play to the advantages of advanced devices and realize efficient energy conversion of power supply products. For example, by adopting quasi-resonant, ZVS or LCC topology structures, the efficiency of some modules can reach 91%-94%, effectively meeting the strict requirements of aerospace equipment for high power efficiency. At the same time, it ensures the stability of output voltage and current, and controls the ripple within a very small range (commonly within 50mV), providing a stable and reliable power supply for various aerospace equipment.
[0016] 2. The application and processing method of the advanced aerospace devices in power supply products achieves high reliability and stability: the advanced devices with anti-radiation characteristics are selected, and redundant backup circuits and optimized protection circuits are designed, which greatly improves the reliability and stability of power supply products in the harsh environment of space. The anti-radiation devices can effectively resist radiation damage and reduce the probability of performance degradation or failure; the redundant backup circuit can automatically switch when the main module fails to ensure uninterrupted operation of the power supply system; the overvoltage, overcurrent, and overheating protection circuits can accurately set the protection threshold according to the characteristics of the device, comprehensively protecting the device and the power supply system, reducing the impact of the space environment on the power supply products, and ensuring the smooth progress of the aerospace mission.
[0017] 3. The application and processing method of this advanced aerospace device in power supply products achieves high-quality manufacturing and assembly: the electronic assembly process that combines reflow soldering and manual soldering, as well as targeted potting technology and magnetic component production and processing methods, improves the manufacturing quality of the product. Reflow soldering ensures the soldering accuracy and reliability of pin-intensive devices, and manual soldering meets the installation requirements of special devices. At the same time, it strictly follows anti-static technical specifications to effectively prevent static electricity from damaging the devices. High-voltage potting technology improves the electrical insulation performance and resistance to environmental interference of high-voltage devices and circuits. Precise design and screening of magnetic components ensure that their performance meets power supply requirements, thereby improving the stability and reliability of the entire power supply product.
[0018] 4. The application and processing method of this advanced aerospace device in power supply products implements strict testing and quality assurance: comprehensive performance testing, reliability testing, and strict quality inspection and control processes ensure the consistency and stability of product quality. Testing through simulated aerospace environments can detect potential problems in advance and optimize and improve them in a timely manner to avoid product failures in actual use. Strict factory inspection and production process monitoring effectively prevent unqualified products from entering the next link, thereby improving the overall quality of the product and reducing the risks and costs of aerospace projects. DETAILED DESCRIPTION
[0019] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] The present invention provides a technical solution, specifically, a method for applying and processing advanced aerospace devices in power supply products, including the following specific method steps: S1 device selection and evaluation: S101 Determine power supply product requirements: Based on the power supply requirements of different aerospace missions, for example, satellite power supplies need to consider bus voltage (30V, 42V, and 100V are common levels), power (ranging from low-power discharge and charging modules to high-power charge and discharge modules), and application scenarios (satellite payloads, onboard phased arrays). The specific functions and performance indicators of the power supply should be clarified, such as the output voltage range (such as -5V to +30V and 1V to 30V for customized single-function secondary power supplies), current (such as +5V1 / 0.7A and +12V / 3.2A), ripple (commonly within 50mV), and efficiency (≥90% or higher, such as 93% and 94% for some modules). S102 screens and adapts advanced aerospace components: For high-radiation environments (TID: 20Krad (si) ~ 100Krad (si)), select devices with radiation-hardened characteristics, such as specific semiconductor devices (such as FBG10N05A Rad Hard e-GaN). These devices can operate stably in harsh space radiation environments, reducing performance degradation or failures caused by radiation; Consider the device's electrical performance to ensure its parameters meet the power supply design requirements. For example, the power device's withstand voltage and current carrying capacity must match the power supply's voltage and current levels. For high-power pulse power modules, select devices that can withstand high-power pulses to meet the power requirements of 500W average and 4kW pulses. Pay attention to the reliability and stability indicators of the device, select aerospace-grade devices with high reliability, reduce the failure probability of power products in the complex environment of space, and ensure long-term stable operation; S103 evaluates device compatibility: Conduct compatibility testing on selected advanced aerospace devices, testing their compatibility with other electronic components in power products in terms of electrical characteristics, physical dimensions, and thermal performance. For example, ensure that the pin spacing and mounting method of the new device match the circuit board design to avoid installation difficulties or poor electrical connections. Among them, the actual working environment is simulated to conduct electrical performance tests on the device combination to verify whether different devices will cause interference when working together, such as signal interference and electromagnetic interference, to ensure the stability and reliability of the entire power supply system; S2 circuit design and optimization: S201 circuit topology design based on advanced devices: Select the appropriate circuit topology based on the power supply product's functions and the characteristics of the selected advanced aerospace components. For example, for power supplies requiring high efficiency (such as customized single-function secondary power supplies), adopt quasi-resonant, ZVS (zero voltage switching), or LCC topologies to leverage the advantages of advanced components to improve power efficiency. Some modules can achieve efficiencies of 91% to 94%. When designing circuits, the parameters of advanced aerospace devices, such as switching speed and on-resistance, are fully considered. Circuit parameters are optimized to reduce energy loss and increase power density. For example, efficient energy conversion can be achieved by properly selecting magnetic components and capacitor and inductor parameters in combination with advanced devices. S202 system integration and optimization: Integrate multiple advanced aerospace components into the power supply system to ensure coordinated operation. For example, in a customized high- and low-voltage hybrid multi-channel secondary power supply, rationally arrange output modules of different voltage levels, along with corresponding control and protection circuits, to achieve stable outputs of 10 to 40 different voltages (3.3V, ±5V, ±12V, ±24V, ±150V, -1200V). The power supply system is optimized by applying key technologies such as analog-to-digital conversion – standard circuits, digital stand-alone devices, and module integration – to improve the accuracy and stability of the power supply through digital control. For example, the bias power supply uses a real-time digital signal of 300M and a high-precision 20-bit D / A control to achieve output control of tens of volts, 2A, and 1PPM accuracy. S203 reliability design and redundancy backup: To improve the reliability of power products in aerospace environments, redundant backup circuits are designed. For example, parallel or backup modules are used in key circuits. When the main module fails, the backup module automatically switches to work, ensuring uninterrupted operation of the power system. Add overvoltage, overcurrent, and overheating protection circuits, and optimize protection parameters based on the characteristics of advanced aerospace devices. For example, based on the voltage and current capabilities of the selected device, the overvoltage and overcurrent protection thresholds are precisely set to protect the device while ensuring the normal operation of the power system. S3 manufacturing and assembly process: S301 electronic assembly process: A combination of reflow soldering and manual soldering is used to install electronic components. For advanced aerospace components with dense pins and high soldering precision requirements, reflow soldering is preferred to ensure soldering quality and reliability. For some special components or parts that require manual adjustment, manual soldering is used, and anti-static technical specifications are strictly followed to prevent static damage to the components. During the structural assembly process, ensure that advanced aerospace components are accurately installed and securely fixed, using appropriate fixing materials and methods to prevent loosening or displacement of components due to vibration and impact in the space environment. S302 potting technology application: For advanced aerospace components and circuits in the high-voltage section, high-voltage transformer potting technology, high-voltage component full potting technology, or ultra-high voltage potting technology is used. For example, for key components and circuits in titanium pump high-voltage power supplies (3kV-10kV) and high-stability high-voltage power supplies (1kV-100kV), the potting process is used to improve their electrical insulation performance and resistance to environmental interference; Among them, the selection of suitable potting materials requires that the potting materials have good electrical insulation performance, high and low temperature resistance and mechanical properties. During the potting process, ensure that the potting materials are evenly filled to avoid bubbles or voids that affect the potting effect; S303 magnetic component production and processing: We use magnetic component insulation design and winding technology to produce magnetic components that meet the requirements. According to the parameter requirements of the power circuit, we accurately design the number of turns, wire diameter and core material of the magnetic components to ensure that the performance of the magnetic components meets the energy conversion and filtering requirements of the power supply. Screen the manufactured magnetic components and eliminate unqualified products by testing their inductance, magnetic permeability, and DC resistance parameters to ensure the consistency and reliability of the magnetic components; S4 Testing and Quality Control: S401 performance test: After the power supply product is manufactured, it is subjected to comprehensive performance testing. Test items include testing of basic performance parameters such as input voltage range (such as 36V-46V), output voltage / current / ripple (such as +5VD / 3A / 50mV), and efficiency (such as efficiency indicators of more than 90% for different modules) to ensure that the power supply product meets the design requirements; Among them, the environmental adaptability tests of power supply products are carried out by simulating aerospace environmental conditions such as temperature, humidity, air pressure, and radiation. For example, the performance stability of the power supply is tested in high and low temperature environments (the common aerospace temperature range of -55°C to +125°C) to verify whether advanced aerospace devices can operate normally in extreme environments. S402 reliability test: Conduct reliability tests, such as aging tests, vibration tests, and shock tests. Aging tests simulate the long-term operating conditions of power supply products and identify potential fault hazards in advance. Vibration and shock tests verify the power supply product's ability to withstand vibration and shock during space flight, ensuring the reliability and stability of the connection between advanced aerospace devices and the entire power supply system. Among them, problems encountered during the testing process are analyzed and improved. For performance problems or failures caused by advanced aerospace components, the device selection, circuit design or manufacturing process are optimized to improve the overall reliability of the power supply product. S403 Quality Inspection and Control: Establish a strict quality inspection process, conduct quality inspections at every stage from raw material procurement to final product delivery, conduct strict incoming inspections on advanced aerospace components, verify component models, parameters, and quality certification documents, and ensure that component quality meets requirements; During the production process, key processes and quality control points are monitored and inspected in real time, such as welding quality inspection and potting quality inspection, to ensure the consistency and stability of product quality. Unqualified products are marked, isolated and handled, the reasons for unqualified products are analyzed, and corresponding corrective and preventive measures are taken to prevent unqualified products from flowing into the next process or leaving the factory. Furthermore, this method achieves precise adaptation and high-efficiency performance: by deeply analyzing the specific power supply requirements of different space missions, accurately selecting suitable advanced aerospace devices, and combining their characteristics to design circuit topologies and optimize parameters, it can fully leverage the advantages of advanced devices and achieve efficient energy conversion in power supply products. For example, by adopting quasi-resonant, ZVS, or LCC topologies, the efficiency of some modules can reach 91%-94%, effectively meeting the strict high-efficiency requirements of aerospace equipment. At the same time, it ensures stable output voltage and current, and keeps ripple within a very small range (commonly within 50mV), providing a stable and reliable power supply for various aerospace equipment. Furthermore, this method achieves high reliability and stability: the selection of advanced devices with radiation-resistant characteristics, and the design of redundant backup circuits and optimized protection circuits greatly improve the reliability and stability of power supply products in the harsh environment of space. Radiation-resistant devices can effectively resist radiation damage and reduce the probability of performance degradation or failure. The redundant backup circuit can automatically switch when the main module fails, ensuring uninterrupted operation of the power supply system. The overvoltage, overcurrent, and overheating protection circuits can accurately set protection thresholds according to device characteristics, comprehensively protecting devices and power systems, reducing the impact of the space environment on power supply products and ensuring the smooth progress of space missions. Furthermore, this method achieves high-quality manufacturing and assembly: the electronic assembly process that combines reflow soldering and manual soldering, as well as targeted potting technology and magnetic component production and processing methods, improves the manufacturing quality of the product. Reflow soldering ensures the soldering accuracy and reliability of pin-intensive components, and manual soldering meets the installation requirements of special components. At the same time, strict adherence to anti-static technical specifications effectively prevents static damage to components. High-voltage potting technology improves the electrical insulation performance and resistance to environmental interference of high-voltage components and circuits. Precise design and screening of magnetic components ensure that their performance meets power supply requirements, thereby improving the stability and reliability of the entire power supply product. Furthermore, this method achieves rigorous testing and quality assurance: comprehensive performance testing, reliability testing, and strict quality inspection and control processes ensure the consistency and stability of product quality. Testing through simulated aerospace environments can detect potential problems in advance and optimize and improve them in a timely manner to avoid product failures in actual use. Strict factory inspection and production process monitoring effectively prevent unqualified products from entering the next link, thereby improving the overall quality of the product and reducing the risks and costs of aerospace engineering.
[0021] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. Application and processing methods of advanced aerospace devices in power products, including S1 device selection and evaluation, S2 circuit design and optimization, S3 manufacturing and assembly processes, and S4 testing and quality control, characterized by: The S1 device selection and evaluation includes S101 determining power product requirements, S102 screening for suitable advanced aerospace devices, and S103 evaluating device compatibility; Among them, S2 circuit design and optimization includes S201 circuit topology design based on advanced devices, S202 system integration and optimization, and S203 reliability design and redundancy backup; Among them, S3 manufacturing and assembly process includes S301 electronic assembly process, S302 potting technology application and S303 magnetic component production and processing; Among them, S4 testing and quality control includes S401 performance testing, S402 reliability testing and S403 quality inspection and control.
2. The method for applying and processing advanced aerospace devices in power supply products according to claim 1, characterized in that: The S101 determines the power supply product requirements: Based on the power supply requirements of different aerospace missions, such as satellite power supply, the bus voltage, power and application scenarios must be considered, and the specific functions and performance indicators of the power supply must be clarified, such as output voltage range, current, ripple, and efficiency parameter requirements; S102 screens and adapts advanced aerospace components: For high radiation environments (TID: 20Krad (si) ~ 100Krad (si)), select devices with radiation-resistant characteristics, specific semiconductor devices. These devices can work stably in harsh space radiation environments, reducing performance degradation or failures caused by radiation; Pay attention to the reliability and stability indicators of the device, select aerospace-grade devices with high reliability, reduce the failure probability of power products in the complex environment of space, and ensure long-term stable operation; S103 evaluates device compatibility: Compatibility testing is performed on selected advanced aerospace devices to test their compatibility with other electronic components in power products in terms of electrical characteristics, physical dimensions and thermal performance, ensuring that the pin spacing and mounting method of the new devices match the circuit board design to avoid installation difficulties or poor electrical connections.
3. The method for applying and processing advanced aerospace devices in power supply products according to claim 1, characterized in that: The S201 is designed based on the circuit topology of advanced devices: Select the appropriate circuit topology based on the power supply product's functions and the characteristics of the selected advanced aerospace devices. For power supplies requiring high efficiency, adopt quasi-resonant, ZVS (zero voltage switching), and LCC topologies, leveraging the advantages of advanced devices to improve power efficiency. The efficiency of some modules can reach 91% - 94%. S202 system integration and optimization: Integrate multiple advanced aerospace devices into the power supply system to ensure coordinated operation between the devices. In the customized high- and low-voltage hybrid multi-channel secondary power supply, rationally arrange output modules of different voltage levels, as well as corresponding control and protection circuits, to achieve stable output of 10-40 different voltages (3.3V, ±5V, ±12V, ±24V, ±150V, -1200V); S203 reliability design and redundancy backup: To improve the reliability of power products in aerospace environments, redundant backup circuits are designed. For example, parallel or backup modules are used in key circuits. When the main module fails, the backup module automatically switches to work, ensuring uninterrupted operation of the power system. Add overvoltage, overcurrent, and overheating protection circuits, and optimize the protection parameters based on the characteristics of advanced aerospace devices. For example, the overvoltage and overcurrent protection thresholds are accurately set based on the voltage and current carrying capacity of the selected device, ensuring the normal operation of the power supply system while protecting the device.
4. The method for applying and processing advanced aerospace devices in power supply products according to claim 1, characterized in that: The S301 electronic assembly process: A combination of reflow soldering and manual soldering is used to install electronic components. For advanced aerospace components with dense pins and high soldering precision requirements, reflow soldering is preferred to ensure soldering quality and reliability. For some special components or parts that require manual adjustment, manual soldering is used, and anti-static technical specifications are strictly followed to prevent static damage to the components. S302 potting technology application: For advanced aerospace components and circuits in the high-voltage section, high-voltage transformer potting technology, high-voltage component full potting technology, or ultra-high voltage potting technology is used. For key components and circuits in titanium pump high-voltage power supplies (3kV-10kV) and high-stability high-voltage power supplies (1kV-100kV), the potting process is used to improve their electrical insulation performance and resistance to environmental interference. Among them, the selection of suitable potting materials requires that the potting materials have good electrical insulation performance, high and low temperature resistance and mechanical properties. During the potting process, ensure that the potting materials are evenly filled to avoid bubbles or voids that affect the potting effect; S303 magnetic component production and processing: We use magnetic component insulation design and winding technology to produce magnetic components that meet the requirements. According to the parameter requirements of the power circuit, we accurately design the number of turns, wire diameter and core material of the magnetic components to ensure that the performance of the magnetic components meets the energy conversion and filtering requirements of the power supply. The finished magnetic components are screened and their inductance, permeability, and DC resistance parameters are tested to eliminate unqualified products and ensure the consistency and reliability of the magnetic components.
5. The method for applying and processing advanced aerospace devices in power supply products according to claim 1 is characterized in that: The S401 performance test: After the power supply product is manufactured, it is subjected to comprehensive performance testing. Test items include testing of basic performance parameters such as input voltage range (such as 36V-46V), output voltage / current / ripple (such as +5VD / 3A / 50mV), and efficiency (such as efficiency indicators of more than 90% for different modules) to ensure that the power supply product meets the design requirements; Among them, the environmental adaptability tests of power supply products are carried out by simulating aerospace environmental conditions such as temperature, humidity, air pressure, and radiation. For example, the performance stability of the power supply is tested in high and low temperature environments (the common aerospace temperature range of -55°C to +125°C) to verify whether advanced aerospace devices can operate normally in extreme environments. S402 reliability test: Conduct reliability tests, such as aging tests, vibration tests, and shock tests. Aging tests simulate the long-term operating conditions of power supply products and identify potential fault hazards in advance. Vibration and shock tests verify the power supply product's ability to withstand vibration and shock during space flight, ensuring the reliability and stability of the connection between advanced aerospace devices and the entire power supply system. Among them, problems encountered during the testing process are analyzed and improved. For performance problems or failures caused by advanced aerospace components, the device selection, circuit design or manufacturing process are optimized to improve the overall reliability of the power supply product. S403 Quality Inspection and Control: Establish a strict quality inspection process, conduct quality inspections at every stage from raw material procurement to final product delivery, conduct strict incoming inspections on advanced aerospace components, verify component models, parameters, and quality certification documents, and ensure that component quality meets requirements; Among them, during the production process, real-time monitoring and inspection are carried out on key processes and quality control points, such as welding quality inspection and potting quality inspection, to ensure the consistency and stability of product quality, identify, isolate and handle unqualified products, analyze the reasons for unqualified products, and take corresponding corrective and preventive measures to prevent unqualified products from flowing into the next process or leaving the factory.
6. The method for applying and processing advanced aerospace devices in power supply products according to claim 2, characterized in that: The S102 screens suitable advanced aerospace components, taking into account their electrical performance to ensure that their parameters meet the power supply design requirements. For example, the withstand voltage and current carrying capacity of the power components must match the voltage and current levels of the power supply. For high-power pulse power modules, devices that can withstand high-power pulses are selected to meet the power requirements of 500W average and 4kW pulses.
7. The method for applying and processing advanced aerospace devices in power supply products according to claim 2, characterized in that: The S103 evaluates device compatibility, simulates the actual working environment, performs electrical performance tests on the device combination, and verifies whether different devices will cause interference when working together, such as signal interference and electromagnetic interference, to ensure the stability and reliability of the entire power supply system.
8. The method for applying and processing advanced aerospace devices in power supply products according to claim 2, characterized in that: The S201 is designed based on the circuit topology of advanced devices. When designing the circuit, the parameters of advanced aerospace devices, such as switching speed and on-resistance, are fully considered to optimize circuit parameters, reduce energy loss, and increase power density. For example, by reasonably selecting magnetic components and capacitor and inductor parameters, efficient energy conversion is achieved in combination with advanced devices.
9. The method for applying and processing advanced aerospace devices in power supply products according to claim 2, characterized in that: The S202 system integration and optimization utilizes key technologies for analog-to-digital conversion—standard circuits, digital standalone devices, and module integration—to optimize the power supply system and improve the precision and stability of the power supply through digital control. For example, the bias power supply utilizes real-time digital signals at 300M and high-precision 20-bit D / A control to achieve output control of tens of volts, 2A, and 1PPM accuracy.
10. The method for applying and processing advanced aerospace devices in power supply products according to claim 2, characterized in that: The S301 electronic assembly process ensures that advanced aerospace components are accurately positioned and securely fixed during the structural assembly process, using appropriate fixing materials and methods to prevent loosening or displacement of components due to vibration and impact in the space environment.