Integrated management control system for power supply of modules of thermal infrared detection system

Abstract

The invention relates to the technical field of power supply integrated management control, in particular to a power supply integrated management control system for all modules of a thermal infrared detection system. The method comprises the following steps: a power supply conversion unit converts a direct-current power supply into multi-path voltage and detects surge current at a power supply inlet; the distribution management unit distributes multiple paths of voltage to different modules and provides multi-voltage conversion and stable output for specific modules; the protection suppression unit is used for controlling current surge, constructing a self-adaptive electromagnetic shielding layer by using a Fermi shielding effect, and suppressing electromagnetic interference in multi-module power supply; the intelligent monitoring unit calculates fractal dimensions and establishes a fault fractal graph to monitor the working state of each power supply module in real time; and the redundancy switching unit is used for providing a redundancy power supply for the thermal infrared detection system. The module power supply integrated management control system of the thermal infrared detection system realizes electromagnetic environment interference suppression through a self-adaptive electromagnetic shielding technology of a Fermi shielding effect, and constructs a fault fractal graph to monitor the operation state of each module in real time.

Description

Technical Field

[0001] The invention relates to the technical field of integrated power supply management and control, and in particular to an integrated power supply management and control system for modules of a thermal infrared detection system. Background Art

[0002] The integrated power supply management and control system of each module of the thermal infrared detection system is designed to improve the system's anti-electromagnetic interference capability and fault monitoring accuracy. It monitors the power supply stability and operating status of each module by suppressing electromagnetic interference in real time and dynamically monitoring the operating status of the module. The integrated power supply management and control system of each module of the thermal infrared detection system solves the problem of interference suppression caused by the non-fixed spectrum and variable frequency of complex interference signals through adaptive electromagnetic shielding technology based on the fermion shielding effect, realizes dynamic tracking of the frequency and phase of the interference signal and real-time reverse phase shielding, and ensures the purity and stability of the system power supply.

[0003] The existing power supply integrated management and control system is usually difficult to achieve efficient anti-interference in a multi-frequency, multi-source complex electromagnetic interference environment. In addition, due to the fluctuation of power supply load between modules and the dynamic change of interference frequency, it will lead to the problem that the interference signal is difficult to completely suppress, the module working status monitoring is delayed, and potential faults cannot be warned in time. Therefore, a comprehensive power supply management and control system for each module of the thermal infrared detection system is designed. Summary of the invention

[0004] The purpose of the present invention is to provide a comprehensive management and control system for power supply of each module of a thermal infrared detection system, so as to solve the problems raised in the above background technology that the interference signal is difficult to completely suppress, the module working status monitoring is delayed, and the potential fault cannot be warned in time due to the fluctuation of power supply load between modules and the dynamic change of interference frequency.

[0005] To achieve the above object, the present invention provides a comprehensive management and control system for power supply of each module of a thermal infrared detection system, comprising:

[0006] A power conversion unit, which is used to convert an external 28V DC power supply into a multi-channel voltage required by the thermal infrared detection system and detect the power supply inlet surge current for the first time;

[0007] Also included is a distribution management unit, which is used to distribute multi-channel voltages to different modules of the thermal infrared detection system and provide multi-voltage conversion and stable output for specific modules;

[0008] It also includes a protection suppression unit, which is used to control current surges and construct an adaptive electromagnetic shielding layer using the fermion shielding effect to suppress electromagnetic interference in multi-module power supply;

[0009] It also includes an intelligent monitoring unit, which monitors the voltage, current and temperature of each module in real time, calculates the fractal dimension and establishes a fault fractal diagram to monitor the working status of each power module in real time;

[0010] It also includes a redundant switching unit, which is used to provide a redundant power supply for the thermal infrared detection system and automatically switch to the redundant power supply when the input power fails.

[0011] As a further improvement of the technical solution, the power conversion unit includes a DC / DC converter, an EMI filter module and a first-level current surge suppression module;

[0012] The DC / DC converter is used to convert the external input 28V DC power supply into different voltages required by the thermal infrared detection system, including +5V, +12V, +15V, and -15V DC power supplies;

[0013] The EMI filter module suppresses electromagnetic interference generated during power conversion by suppressing high-frequency electromagnetic waves and noise;

[0014] The EMI filter module includes a low-pass filter circuit and anti-interference devices, which are specifically designed to filter EMI signals within the frequency range;

[0015] The first-level current surge suppression module is the first-level surge suppression of the system, located at the system entrance, and is used to suppress the surge current at the external power supply entrance.

[0016] As a further improvement of the technical solution, the distribution management unit includes a current distribution module, a multi-voltage conversion module and an overcurrent protection module;

[0017] The current distribution module distributes the current to each module according to the load requirements of different modules, and measures and adjusts the current flow direction in real time through the current monitoring circuit;

[0018] The multi-voltage conversion module is responsible for providing different voltage outputs for the infrared driving board and the image processing board;

[0019] The overcurrent protection module monitors the flow of current in the system in real time. When the current exceeds a preset safety threshold, the protection mechanism is automatically triggered by cutting off the power supply through a fuse.

[0020] As a further improvement of the technical solution, the protection suppression unit includes a second-level current surge suppression module and an electromagnetic interference shielding module;

[0021] The second-level current surge suppression module is the second-level surge suppression of the system, which is used to perform secondary filtering on the current passing through the first-level current surge suppression module to suppress surges with smaller current fluctuations and longer durations;

[0022] The electromagnetic interference shielding module constructs an adaptive electromagnetic shielding layer through the fermion shielding effect to dynamically suppress electromagnetic interference in the thermal infrared detection system.

[0023] As a further improvement of the technical solution, the electromagnetic interference shielding module constructs an adaptive electromagnetic shielding layer through the fermion shielding effect to dynamically suppress the electromagnetic interference in the thermal infrared detection system. The specific method steps are as follows:

[0024] S3.1, monitor electromagnetic signals in real time through sensor array, collect The frequency of the interfering signal , Amplitude and Phase , and calculate the total interference signal ;

[0025] S3.2. Using Discrete Fourier Transform to Calculate the Total Interference Signal Perform spectrum analysis to identify the main interference signal frequency components And strength , determine the shielding frequency range;

[0026] S3.3. Based on the shielding frequency range, using the idea of ​​fermion shielding effect, we construct the anti-phase shielding field of the interference signal and obtain the total signal of the anti-phase shielding field ;

[0027] S3.4, based on the total interference signal and the total signal of the anti-phase shielding field Total system information Number;

[0028] S3.5. Use feedback control strategy to adjust the total signal of the reverse shielding field in real time Shielding parameters, dynamically suppress electromagnetic interference in thermal infrared detection systems, and calculate shielding efficiency Verify shielding effectiveness.

[0029] As a further improvement of the technical solution, in S3.1, the electromagnetic signal is monitored in real time by the sensor array to collect the The frequency of the interfering signal , Amplitude and Phase , and calculate the total interference signal , the specific method is as follows:

[0030] ;

[0031] ;

[0032] Among them, the is the label of the interference signal; For the Interference signal; is the total number of interference signals; for time point;

[0033] In S3.2, the total interference signal is transformed by discrete Fourier transform. Perform spectrum analysis to identify the main interference signal frequency components And strength , determine the shielding frequency range, the specific method is as follows:

[0034] ;

[0035] ;

[0036] in, is the index of the frequency component; The spectrum The complex representation of the frequency components; is the sampling period; is the total number of sampling points; is the complex exponential basis function in discrete Fourier transform; is the main interference signal frequency component; is the lower limit of the shielding frequency range; The upper limit of the shielding frequency range.

[0037] As a further improvement of the technical solution, in S3.3, based on the shielding frequency range, the idea of ​​fermion shielding effect is used to construct the anti-phase shielding field of the interference signal, and the total signal of the anti-phase shielding field is obtained. , the specific method is as follows:

[0038] Construct an anti-phase shielding field of the interference signal:

[0039] ;

[0040] Calculate the total signal of the anti-phase shielding field :

[0041] ;

[0042] in, for

[0043] In S3.4, based on the total interference signal and the total signal of the anti-phase shielding field Total system information The specific method is as follows:

[0044] ;

[0045] By using the sine superposition formula we can get:

[0046] ;

[0047] Simplified:

[0048] ;

[0049] Indicates that the interference signal is completely canceled.

[0050] As a further improvement of the technical solution, in S3.5, a feedback control strategy is used to adjust the total signal of the reverse shielding field in real time. Shielding parameters, dynamically suppress electromagnetic interference in thermal infrared detection systems, and calculate shielding efficiency Verify the shielding effect. The specific method is as follows:

[0051] Feedback control strategy:

[0052] ;

[0053] ;

[0054] ;

[0055] in, The real-time measured The amplitude of the interference signal; The real-time measured The frequency of the interfering signal; The real-time measured The phase of the interfering signal; After real-time update A method for adjusting the amplitude of the shielding signal; After real-time update Adjust the frequency of the shielding signal; After real-time update A phase adjustment of the shielding signal;

[0056] Shielding efficiency :

[0057] ;

[0058] in, is the shielding efficiency; is the starting test time; To terminate the test time.

[0059] As a further improvement of the technical solution, the intelligent monitoring unit monitors the voltage, current and temperature of each module in real time, calculates the fractal dimension and establishes a fault fractal diagram to monitor the working status of each power module in real time. The specific method steps are as follows:

[0060] S4.1. Collect the voltage, current and temperature signals of each module in real time through sensors and record them as time signals , and standardize it;

[0061] ;

[0062] in, Number the system module; is the total number of system modules; For the Modules in Time signal of time point; For the Modules in Voltage at a point in time; For the Modules in The current at a point in time; For the Modules in Temperature at a point in time;

[0063] The time signal Normalize to a standardized time signal :

[0064] ;

[0065] ;

[0066] ;

[0067] in, For the The signal mean of each module; For the The signal standard deviation of each module; is the total sampling time;

[0068] S4.2. For the standardized signal of each module, the fractal dimension is calculated using the box counting method;

[0069] The time signal The time series is divided into intervals of equal length, each interval length is ;

[0070] Statistical time signal The number of points in each interval , ;

[0071] Calculate the The fractal dimension of the module :

[0072] ;

[0073] in, is the resolution scale of the box counting method;

[0074] S4.3. Based on fractal dimension , build a fault fractal graph ;

[0075] Defining the normal range of fractal dimension ;

[0076] The module status is divided into normal Two types of faults :

[0077] ;

[0078] Generate Fault fractal diagram of modules :

[0079] ;

[0080] S4.4, monitor the system status in real time according to the fault fractal diagram and establish trigger alarm rules;

[0081] .

[0082] As a further improvement of the technical solution, the redundant switching unit includes a power detection module and a power switching module;

[0083] The power detection module monitors the power of each module in real time to determine whether the system has a fault. The specific method is as follows:

[0084] If the power continues to drop to the set minimum value within the set time, a power failure signal is triggered;

[0085] The power switching module receives a power failure signal and quickly switches to a redundant power supply when an input power failure occurs. The specific method is as follows:

[0086] After receiving the fault signal, the input power is immediately disconnected and the redundant power supply is switched on. The switching process response time is Less than the preset upper limit response time ;

[0087] After the input power returns to normal, switch back to the input power to complete the "return" operation.

[0088] Compared with the prior art, the present invention has the following beneficial effects:

[0089] 1. In the integrated power supply management and control system of each module of this thermal infrared detection system, an adaptive electromagnetic shielding layer is constructed based on the fermion shielding effect, which can suppress multi-frequency and multi-source electromagnetic interference in complex environments in real time. The frequency, amplitude and phase of the interference signal are detected by the sensor array, and the spectrum characteristics are extracted by discrete Fourier transform. A shielding field signal with an anti-phase to the interference signal is generated, and with the help of feedback control strategy, the shielding field parameters are dynamically adjusted to achieve accurate cancellation of electromagnetic interference and ensure the purity and stability of the system power supply.

[0090] 2. In the integrated management and control system for power supply of each module of the thermal infrared detection system, by calculating the fractal dimension and establishing a fault fractal diagram, the module status is classified in combination with the normal range of the fractal dimension, and the operating status of each module is monitored in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0091] Figure 1 It is the overall flow chart of the present invention;

[0092] The meaning of each number in the figure is:

[0093] 1. Power conversion unit; 2. Distribution management unit; 3. Protection suppression unit; 4. Intelligent monitoring unit; 5. Redundant switching unit. DETAILED DESCRIPTION

[0094] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0095] Example

[0096] See also Figure 1 As shown, a comprehensive management and control system for power supply of each module of a thermal infrared detection system is provided, including:

[0097] A power conversion unit 1, which is used to convert an external 28V DC power supply into a multi-channel voltage required by the thermal infrared detection system and detect the power supply inlet surge current for the first time;

[0098] In this embodiment, the power conversion unit 1 includes a DC / DC converter, an EMI filter module and a first-level current surge suppression module;

[0099] The DC / DC converter is used to convert the external input 28V DC power supply into different voltages required by the thermal infrared detection system, including +5V, +12V, +15V, and -15V DC power supplies;

[0100] The DC / DC converter has surge resistance, can withstand high voltage shocks in a short period of time, and has startup current control and short-circuit protection functions;

[0101] The EMI filter module suppresses electromagnetic interference generated during power conversion by suppressing high-frequency electromagnetic waves and noise;

[0102] The EMI filter module includes a low-pass filter circuit and anti-interference devices, which are specifically designed to filter EMI signals within the frequency range;

[0103] The first-level current surge suppression module is the first-level surge suppression of the system, located at the system entrance, and is used to suppress the surge current at the external power supply entrance.

[0104] The first-stage current surge suppression module includes a current limiting circuit and a soft-start function to avoid current overshoot during power-on, as well as an input undervoltage lockout function to automatically cut off the output when the input voltage is insufficient to protect system components.

[0105] It also includes a distribution management unit 2, which is used to distribute multi-channel voltages to different modules of the thermal infrared detection system and provide multi-voltage conversion and stable output for specific modules;

[0106] In this embodiment, the distribution management unit 2 includes a current distribution module, a multi-voltage conversion module and an overcurrent protection module;

[0107] The current distribution module distributes the current to each module according to the load requirements of different modules, and measures and adjusts the current flow direction in real time through the current monitoring circuit;

[0108] The multi-voltage conversion module is responsible for providing different voltage outputs for the infrared driving board and the image processing board;

[0109] The overcurrent protection module monitors the flow of current in the system in real time. When the current exceeds a preset safety threshold, the protection mechanism is automatically triggered by cutting off the power supply through a fuse.

[0110] It also includes a protection suppression unit 3, which is used to control current surges and construct an adaptive electromagnetic shielding layer using the fermion shielding effect to suppress electromagnetic interference in multi-module power supply;

[0111] In this embodiment, the protection suppression unit 3 includes a second-level current surge suppression module and an electromagnetic interference shielding module;

[0112] The second-level current surge suppression module is the second-level surge suppression of the system, which is used to perform secondary filtering on the current passing through the first-level current surge suppression module to suppress surges with smaller current fluctuations and longer durations;

[0113] The second-level current surge suppression module is located after the first-level current surge suppression module. As the second line of defense, it protects different modules of the thermal infrared detection system from unstable power supply through distributed design. It forms hierarchical protection with the first-level current surge suppression module to improve the overall surge resistance of the system, focusing on the current fluctuations within the system and surges caused by load switching or interference between modules.

[0114] The electromagnetic interference shielding module constructs an adaptive electromagnetic shielding layer through the fermion shielding effect to dynamically suppress electromagnetic interference in the thermal infrared detection system.

[0115] The electromagnetic interference shielding module constructs an adaptive electromagnetic shielding layer through the fermion shielding effect to dynamically suppress electromagnetic interference in the thermal infrared detection system. The specific method steps are as follows:

[0116] S3.1, monitor electromagnetic signals in real time through sensor array, collect The frequency of the interfering signal , Amplitude and Phase , and calculate the total interference signal ;

[0117] S3.2. Using Discrete Fourier Transform to Calculate the Total Interference Signal Perform spectrum analysis to identify the main interference signal frequency components And strength , determine the shielding frequency range;

[0118] S3.3. Based on the shielding frequency range, using the idea of ​​fermion shielding effect, we construct the anti-phase shielding field of the interference signal and obtain the total signal of the anti-phase shielding field ;

[0119] S3.4, based on the total interference signal and the total signal of the anti-phase shielding field Total system information Number;

[0120] S3.5. Use feedback control strategy to adjust the total signal of the reverse shielding field in real time Shielding parameters, dynamically suppress electromagnetic interference in thermal infrared detection systems, and calculate shielding efficiency Verify shielding effectiveness.

[0121] In this embodiment S3.1, the electromagnetic signal is monitored in real time by the sensor array to collect the The frequency of the interfering signal , Amplitude and Phase , and calculate the total interference signal , the specific method is as follows:

[0122] ;

[0123] ;

[0124] Among them, the is the label of the interference signal; For the Interference signal; is the total number of interference signals; for time point;

[0125] In this embodiment S3.2, the total interference signal is transformed by discrete Fourier transform. Perform spectrum analysis to identify the main interference signal frequency components And strength , determine the shielding frequency range, the specific method is as follows:

[0126] ;

[0127] ;

[0128] in, is the index of the frequency component; The spectrum The complex representation of the frequency components; is the sampling period; is the total number of sampling points; is the complex exponential basis function in discrete Fourier transform; is the main interference signal frequency component; is the lower limit of the shielding frequency range; The upper limit of the shielding frequency range.

[0129] In this embodiment S3.3, based on the shielding frequency range, the idea of ​​fermion shielding effect is used to construct the anti-phase shielding field of the interference signal, and the total signal of the anti-phase shielding field is obtained. , the specific method is as follows:

[0130] Construct an anti-phase shielding field of the interference signal:

[0131] ;

[0132] Calculate the total signal of the anti-phase shielding field :

[0133] ;

[0134] in, for

[0135] In this embodiment S3.4, based on the total interference signal and the total signal of the anti-phase shielding field Total system information The specific method is as follows:

[0136] ;

[0137] By using the sine superposition formula we can get:

[0138] ;

[0139] Simplified:

[0140] ;

[0141] Indicates that the interference signal is completely canceled.

[0142] In this embodiment S3.5, a feedback control strategy is used to adjust the total signal of the reverse shielding field in real time. Shielding parameters, dynamically suppress electromagnetic interference in thermal infrared detection systems, and calculate shielding efficiency Verify the shielding effect. The specific method is as follows:

[0143] Feedback control strategy:

[0144] ;

[0145] ;

[0146] ;

[0147] in, The real-time measured The amplitude of the interference signal; The real-time measured The frequency of the interfering signal; The real-time measured The phase of the interfering signal; After real-time update A method for adjusting the amplitude of the shielding signal; After real-time update Adjust the frequency of the shielding signal; After real-time update A phase adjustment of the shielding signal;

[0148] Shielding efficiency :

[0149] ;

[0150] in, is the shielding efficiency; is the starting test time; To terminate the test time.

[0151] It also includes an intelligent monitoring unit 4, which monitors the voltage, current and temperature of each module in real time, calculates the fractal dimension and establishes a fault fractal diagram to monitor the working status of each power module in real time;

[0152] In this embodiment, the intelligent monitoring unit 4 monitors the voltage, current and temperature of each module in real time, calculates the fractal dimension and establishes a fault fractal diagram to monitor the working status of each power module in real time. The specific method steps are as follows:

[0153] S4.1. Collect the voltage, current and temperature signals of each module in real time through sensors and record them as time signals , and standardize it;

[0154] ;

[0155] in, Number the system module; is the total number of system modules; For the Modules in Time signal of time point; For the Modules in Voltage at a point in time; For the Modules in The current at a point in time; For the Modules in Temperature at a point in time;

[0156] The time signal Normalize to a standardized time signal :

[0157] ;

[0158] ;

[0159] ;

[0160] in, For the The signal mean of each module; For the The signal standard deviation of each module; is the total sampling time;

[0161] S4.2. For the standardized signal of each module, the fractal dimension is calculated using the box counting method;

[0162] The time signal The time series is divided into intervals of equal length, each interval length is ;

[0163] Statistical time signal The number of points in each interval , ;

[0164] Calculate the The fractal dimension of the module :

[0165] ;

[0166] in, is the resolution scale of the box counting method;

[0167] S4.3. Based on fractal dimension , build a fault fractal graph ;

[0168] Defining the normal range of fractal dimension ;

[0169] The module status is divided into normal Two types of faults :

[0170] ;

[0171] Generate Fault fractal diagram of modules :

[0172] ;

[0173] S4.4, monitor the system status in real time according to the fault fractal diagram and establish trigger alarm rules;

[0174] .

[0175] In this embodiment, by calculating the fractal dimension and establishing a fault fractal graph, the complexity and stability of the operating status of each module can be accurately quantified, status classification can be provided, and the health status of the module can be monitored in real time.

[0176] It also includes a redundant switching unit 5, which is used to provide a redundant power supply for the thermal infrared detection system and automatically switch to the redundant power supply when the input power fails;

[0177] In this embodiment, the redundant switching unit 5 includes a power detection module and a power switching module;

[0178] The power detection module monitors the power of each module in real time to determine whether the system has a fault. The specific method is as follows:

[0179] If the power continues to drop to the set minimum value within the set time, a power failure signal is triggered;

[0180] The power switching module receives a power failure signal and quickly switches to a redundant power supply when an input power failure occurs. The specific method is as follows:

[0181] After receiving the fault signal, the input power is immediately disconnected and the redundant power supply is switched on. The switching process response time is Less than the preset upper limit response time ;

[0182] After the input power returns to normal, switch back to the input power to complete the "return" operation.

[0183] In this embodiment, the upper limit response time is preset ; Under normal conditions, monitor the standby status of the redundant power supply to ensure that the working parameters of the redundant power supply are normal.

[0184] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A comprehensive management and control system for power supply of each module of a thermal infrared detection system, characterized in that: include: A power conversion unit (1), the power conversion unit (1) is used to convert an external 28V DC power supply into a multi-channel voltage required by the thermal infrared detection system, and to detect a power supply inlet surge current for the first time; A distribution management unit (2), the distribution management unit (2) being used to distribute multi-channel voltages to different modules of the thermal infrared detection system, and to provide multi-voltage conversion and stable output for specific modules; A protection suppression unit (3), the protection suppression unit (3) is used to control current surges and utilize the fermion shielding effect to construct an adaptive electromagnetic shielding layer to suppress electromagnetic interference in multi-module power supply; An intelligent monitoring unit (4), the intelligent monitoring unit (4) monitors the voltage, current and temperature of each module in real time, calculates the fractal dimension and establishes a fault fractal diagram to monitor the working state of each power module in real time; A redundant switching unit (5), the redundant switching unit (5) being used to provide a redundant power supply for the thermal infrared detection system and automatically switching to the redundant power supply when an input power supply fails.

2. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 1 is characterized in that: The power conversion unit (1) comprises a DC / DC converter, an EMI filter module and a first-stage current surge suppression module; The DC / DC converter is used to convert the external input 28V DC power supply into different voltages required by the thermal infrared detection system, including +5V, +12V, +15V, and -15V DC power supplies; The EMI filter module suppresses electromagnetic interference generated during power conversion by suppressing high-frequency electromagnetic waves and noise; The EMI filter module includes a low-pass filter circuit and anti-interference devices, which are specifically designed to filter EMI signals within the frequency range; The first-level current surge suppression module is the first-level surge suppression of the system, located at the system entrance, and is used to suppress the surge current at the external power supply entrance.

3. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 1 is characterized in that: The distribution management unit (2) comprises a current distribution module, a multi-voltage conversion module and an overcurrent protection module; The current distribution module distributes the current to each module according to the load requirements of different modules, and measures and adjusts the current flow direction in real time through the current monitoring circuit; The multi-voltage conversion module is responsible for providing different voltage outputs for the infrared driving board and the image processing board; The overcurrent protection module monitors the flow of current in the system in real time. When the current exceeds a preset safety threshold, the protection mechanism is automatically triggered by cutting off the power supply through a fuse.

4. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 1 is characterized in that: The protection suppression unit (3) comprises a second-level current surge suppression module and an electromagnetic interference shielding module; The second-level current surge suppression module is the second-level surge suppression of the system, which is used to perform secondary filtering on the current passing through the first-level current surge suppression module to suppress surges with smaller current fluctuations and longer durations; The electromagnetic interference shielding module constructs an adaptive electromagnetic shielding layer through the fermion shielding effect to dynamically suppress electromagnetic interference in the thermal infrared detection system.

5. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 4 is characterized in that: The electromagnetic interference shielding module constructs an adaptive electromagnetic shielding layer through the fermion shielding effect to dynamically suppress electromagnetic interference in the thermal infrared detection system. The specific method steps are as follows: S3.1, monitor electromagnetic signals in real time through sensor array, collect The frequency of the interfering signal , Amplitude and Phase , and calculate the total interference signal ; S3.

2. Using Discrete Fourier Transform to Calculate the Total Interference Signal Perform spectrum analysis to identify the main interference signal frequency components And strength , determine the shielding frequency range; S3.

3. Based on the shielding frequency range, using the idea of ​​fermion shielding effect, we construct the anti-phase shielding field of the interference signal and obtain the total signal of the anti-phase shielding field ; S3.4, based on the total interference signal and the total signal of the anti-phase shielding field Total system information Number; S3.

5. Use feedback control strategy to adjust the total signal of the reverse shielding field in real time Shielding parameters, dynamically suppress electromagnetic interference in thermal infrared detection systems, and calculate shielding efficiency Verify shielding effectiveness.

6. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 5 is characterized in that: In S3.1, the electromagnetic signal is monitored in real time by the sensor array to collect the The frequency of the interfering signal , Amplitude and Phase , and calculate the total interference signal , the specific method is as follows: ； ； Among them, the is the label of the interference signal; For the Interference signal; is the total number of interference signals; for time point; In S3.2, the total interference signal is transformed by discrete Fourier transform. Perform spectrum analysis to identify the main interference signal frequency components And strength , determine the shielding frequency range, the specific method is as follows: ； ； in, is the index of the frequency component; The spectrum The complex representation of the frequency components; is the sampling period; is the total number of sampling points; is the complex exponential basis function in discrete Fourier transform; is the main interference signal frequency component; is the lower limit of the shielding frequency range; The upper limit of the shielding frequency range.

7. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 6 is characterized by: In S3.3, based on the shielding frequency range, the idea of ​​fermion shielding effect is used to construct the anti-phase shielding field of the interference signal, and the total signal of the anti-phase shielding field is obtained. , the specific method is as follows: Construct an anti-phase shielding field of the interference signal: ； Calculate the total signal of the anti-phase shielding field : ； in, for In S3.4, based on the total interference signal and the total signal of the anti-phase shielding field Total system information The specific method is as follows: ； By using the sine superposition formula, we can get: ； Simplified: ； Indicates that the interference signal is completely canceled.

8. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 7 is characterized in that: In S3.5, a feedback control strategy is used to adjust the total signal of the reverse shielding field in real time. Shielding parameters, dynamically suppress electromagnetic interference in thermal infrared detection systems, and calculate shielding efficiency Verify the shielding effect. The specific method is as follows: Feedback control strategy: ； ； ； in, The real-time measured The amplitude of the interference signal; The real-time measured The frequency of the interfering signal; The real-time measured The phase of the interfering signal; After real-time update A method for adjusting the amplitude of the shielding signal; After real-time update Adjust the frequency of the shielding signal; After real-time update A phase adjustment of the shielding signal; Shielding efficiency : ； in, is the shielding efficiency; is the starting test time; To terminate the test time.

9. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 1 is characterized in that: The intelligent monitoring unit (4) monitors the voltage, current and temperature of each module in real time, calculates the fractal dimension and establishes a fault fractal diagram to monitor the working status of each power module in real time. The specific method steps are as follows: S4.

1. Collect the voltage, current and temperature signals of each module in real time through sensors and record them as time signals , and standardize it; ； in, Number the system module; is the total number of system modules; For the Modules in Time signal of time point; For the Modules in Voltage at a point in time; For the Modules in The current at a point in time; For the Modules in Temperature at a point in time; The time signal Normalize to a standardized time signal : ； ； ； in, For the The signal mean of each module; For the The signal standard deviation of each module; is the total sampling time; S4.

2. For the standardized signal of each module, the fractal dimension is calculated using the box counting method; The time signal The time series is divided into intervals of equal length, each interval length is ; Statistical time signal The number of points in each interval , ; Calculate the The fractal dimension of the module : ； in, is the resolution scale of the box counting method; S4.

3. Based on fractal dimension , build a fault fractal graph ; Defining the normal range of fractal dimension ; The module status is divided into normal Two types of faults : ； Generate Fault fractal diagram of modules : ； S4.4, monitor the system status in real time according to the fault fractal diagram and establish trigger alarm rules; 。 10. The integrated management and control system for power supply of each module of the thermal infrared detection system according to claim 1, characterized in that: The redundant switching unit (5) comprises a power detection module and a power switching module; The power detection module monitors the power of each module in real time to determine whether the system has a fault. The specific method is as follows: If the power continues to drop to the set minimum value within the set time, a power failure signal is triggered; The power switching module receives a power failure signal and quickly switches to a redundant power supply when an input power failure occurs. The specific method is as follows: After receiving the fault signal, the input power is immediately disconnected and the redundant power supply is switched on. The switching process response time is Less than the preset upper limit response time ; After the input power returns to normal, switch back to the input power to complete the "return" operation.

Images