88 results about "Interference protection" patented technology

The invention relates to the related technical field of dust detection, and provides a mining induced charge and light scattering fusion dust detection device and method.The dust detection device comprises a workbench, a sampling assembly and a detection assembly, and the sampling assembly comprises a sampling air pump, a conical airflow homogenizer and a closed sampling cavity; the detection assembly comprises an annular sliding rail, a light scattering detection module and an electrostatic induction detection module; the dust detection method comprises the following steps: S1, device initialization and zero calibration; s2, sampling preparation of dust-containing airflow; s3, dual-module synchronous signal acquisition; s4, data processing and temperature and humidity compensation; s5, carrying out anti-interference protection assembly; and S6, data fusion and result output. S7, device cleaning and standby; through cooperative work of the double detection modules, dust detection signals in different concentration intervals are accurately captured, wide-range coverage from low concentration to high concentration is achieved, and synchronous monitoring of dust concentration and particle size characteristics is achieved.

The invention relates to the technical field of energy consumption control, and discloses a computing power equipment energy consumption optimization self-adaptive control method and system and a program product, and the method comprises the steps: obtaining an initial operation environment parameter set of computing power equipment; based on the initial operation environment parameter set, calculating through a data fusion algorithm to obtain a target environment evaluation value; based on the initial operation environment parameter set and the target environment evaluation value, determining a temperature control mode and an anti-interference protection mode of the computing power equipment; controlling a temperature adjusting device to adjust the temperature of the computing power equipment by using the temperature control mode to obtain a temperature adjusting result of the computing power equipment; an anti-interference protection mode is utilized to control the protection device to adjust external disturbance of the computing power equipment, and an interference adjustment result of the computing power equipment is obtained; and controlling the energy consumption and redundancy management module to adjust the energy consumption and redundancy of the computing power equipment by using the temperature adjustment result and the interference adjustment result to obtain an energy consumption optimization self-adaptive control result of the computing power equipment, thereby realizing self-adaptive energy consumption optimization.

The invention discloses a triode array reliability test method and a test circuit thereof, and belongs to the technical field of transistor test. The test method comprises a triode working point confirmation method, a reliability test power confirmation method, a reliability test circuit setting method, a reliability test circuit state monitoring method and a reliability test circuit anti-interference protection method. The test circuit comprises an NPN triode, a B pole voltage reference circuit, a B pole / voltage source constant current bias circuit, a B pole reverse breakdown prevention protection circuit, an E pole constant current bias circuit, an open circuit / poor contact display circuit, a short circuit display circuit and an anti-interference protection circuit. The problems that in the prior art, whether the aging power of the triodes reaches the standard or not cannot be judged, open-circuit or short-circuit triodes cannot be screened out in time, the total aging current is large when batch products are aged under the same power source, and the direct-current aging power of the products fluctuates due to external noise interference or crosstalk between the products are solved. The method is widely applied to reliability test technologies of transistors and transistor arrays.

The present application relates to a kind of arch trolley and its arm frame anti-interference control method, scheme is through judging the angle difference of pitch direction between any two arm frames, in the case where the angle difference of pitch direction between two arm frames is less than set angle, when one of the arm frames reaches the interference region relative to another arm frame, the movement of the arm frame is limited;The interference region is, when one of the arm frames is rotated to another arm frame direction, the region after reaching the critical position where the interference between two arm frames occurs.The scheme of the present application makes the arm frame limit control more flexible, easy to adjust, can realize the dynamic limit of arm frame anti-interference between arm frames during arm frame operation, realizes the anti-interference protection during the use of arm frame, effectively improves the safety and support efficiency of tunnel construction, and provides safety guarantee for the intelligent control such as remote control and remote control of arch trolley.

The invention provides a method and system for ionospheric scintillation interference protection in meteorological satellite ground data reception, and relates to the technical field of meteorological satellites, and the method comprises the steps: carrying out the real-time correlation judgment of the pitch angle and azimuth angle data of a satellite receiving station antenna and the pitch angle and azimuth angle data of a matched ionospheric scintillation index; generating different levels of risk early warning information by integrating the correlation between the pitch angle and the azimuth angle of the satellite receiving station antenna and the ionospheric scintillation index risk; based on the risk early warning information, intelligent decision making is carried out; according to the intelligent decision, the ionospheric scintillation risk index is intelligently adjusted to identify the inspection period; and in the intelligent protection working state, the satellite ground station is intelligently commanded and dispatched to carry out ionospheric scintillation protection. According to the invention, the reliability and anti-interference capability of satellite-ground communication can be improved.

The invention belongs to the technical field of radar interference protection, and particularly discloses a radar main lobe interference cancellation system and method based on situation awareness, and the system comprises a data collection module which is used for collecting an echo signal of a receiving link; the data preprocessing module is used for carrying out data preprocessing on the echo signals so as to construct a data set for interference sensing; the interference sensing module is used for performing time sequence sensing on the echo signals based on a trained online sensing model to obtain time sequence information of the echo signals; the online sensing model is obtained based on data set training; the weight decision module is used for selecting a weight state according to the time sequence information of the echo signal; and the interference cancellation module is used for cancelling main lobe interference of the main channel echo signal by using the sampling channel echo signal, performing judgment in combination with a weight state, and reserving a useful signal in the echo signal. According to the invention, main lobe interference can be suppressed, and meanwhile, the probability of deleting useful signals by mistake is remarkably reduced.

The application belongs to the technical field of satellite communication interference protection, and specifically discloses an interference cancellation device and method for a Ka and Ku frequency band multi-mode satellite communication ground station, wherein the device comprises: a sampling antenna module, which is used for collecting Ku / Ka frequency band sampling signals from space; a radio frequency receiving module, which is used for selecting the polarization direction of the sampling signals based on the polarization mode of the satellite communication antenna and converting the sampling signals into sampling intermediate frequency signals; a sampling signal selection module, which is used for dividing the sampling intermediate frequency signals into sub-signals and selecting different frequency band sub-signals based on the working frequency band of the satellite communication terminal; and a signal processing module, which is used for obtaining interference cancellation output signals free of interference by performing interference cancellation on the fth satellite communication signal through an adaptive filtering algorithm based on N-path target frequency band sampling intermediate frequency sub-signals. The application is suitable for the satellite communication ground station for realizing Ka / Ku dual-band multi-mode communication through a radio frequency switch matrix shared satellite communication antenna, and realizes mutual decoupling of anti-interference processing between different satellite communication terminals.

The invention provides an interference protection template generation method for conversion from an optical image to an SAR image, and relates to the technical field of light-SAR image conversion, and the method comprises the steps: obtaining a to-be-converted optical image of a target region; inputting the optical image to be converted into a pre-training SAR image generator, and converting to obtain a target SAR image; the target SAR image is used as an interference protection template to be sent to an interference target party; the pre-training SAR image generator is trained by adopting a CycleGAN architecture, and the pre-training SAR image generator is a network model fusing a Pixel ViT structure and a UNet structure; the overall loss function of the CycleGAN architecture is constructed by adopting perception loss, pixel loss and cyclic consistency loss; a discriminator in the CycleGAN architecture is provided with a batch head module. On the basis, the generation quality and effect of the interference protection template are integrally improved, and the acquisition cost of the interference protection template is reduced.

The application provides a power negative surge interference protection circuit, comprising: a forward voltage isolation unit electrically connected to an input channel; a primary protection unit electrically connected to the forward voltage isolation unit; a discharge switch unit electrically connected to the forward voltage isolation unit; a detection delay unit electrically connected to the discharge switch unit; an enabling unit electrically connected to the detection delay unit; a power supply unit electrically connected to the enabling unit and the discharge switch unit; an enabling maintenance circuit electrically connected to the enabling unit and the power supply unit; and an anti-reverse connection circuit electrically connected to the primary protection unit and the discharge switch unit. The circuit can realize multi-channel multiplexing and absorb a high energy level negative surge protection circuit.

The invention provides a transient interference protection device integrating protection and filtering functions. Belongs to the technical field of passive protection devices, electronic equipment electrostatic protection and electromagnetic interference suppression. The device comprises a functional TVS diode module, an L-C filter network module and a three-pin packaging structure which are integrated integrally, and the design and manufacturing process of the device comprises the following steps: carrying out characteristic analysis on a direct-current power supply port to obtain a port signal transmission frequency range and transient interference (including surge and static electricity) type data; functional consideration is carried out on junction capacitance characteristics of the TVS diode, TVS junction capacitance parameters matched with port characteristics are designed, and functional TVS diode module design data are generated; a functional TVS diode and an L-C filter network are integrated, a traditional discrete device combination is replaced, the space occupation of a circuit board is reduced, the component purchasing and assembling cost is reduced, the integration degree of the whole machine is greatly improved, and schematic diagram design and layout are simpler and more efficient.

1. Name of the product in this design: AC power filter (lightning strike and interference protection filter). 2. Purpose of this design: For transmitting alternating current. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses an electrical system of a magnetic suspension air compressor. The electrical system comprises a three-phase power supply input module, an anti-interference protection module, a high-voltage power supply protection module, a low-voltage dual-power supply module and a fault detection response module, the output end of the three-phase power supply input module is respectively connected with a surge protector and an EMC filter in the anti-interference protection module; the output of the EMC filter is connected with an input reactor, a protection assembly and a phase failure protector in the high-voltage power supply protection module, the input reactor is connected with a frequency converter, the frequency converter is connected with a magnetic suspension motor through an output reactor, and the protection assembly is connected with a high-voltage auxiliary component; a direct-current bus of the frequency converter is connected with the magnetic suspension bearing controller and the DCDC switching power supply, the DCDC outputs two paths of low-voltage electricity to the integral control unit and the low-voltage execution part respectively, and the signal ends of the phase failure protector and the protection assembly are both connected with the integral control unit. Therefore, the defects of electric design of the magnetic suspension air compressor in anti-interference, fault protection and detection and power supply reliability are overcome, and the magnetic suspension air compressor is suitable for industrial severe working conditions.

The utility model relates to the technical field of factory chemical instrument, especially a factory anti -interference protection device and system. Factory anti -interference protection device, fixedly arranged in the outside of instrument body, include, support subassembly, including fixedly arranged in the lower side of the connecting pipe of instrument body, fixedly arranged in the support pipe of connecting pipe lower extreme, the connecting pipe with support pipe each other vertical, first sleeve, set up in the outside of damping assembly and its upper end with shell screw thread cooperation, the damping assembly, including fixedly arranged in the second sleeve of support pipe upper end outer wall, set up between first sleeve and the elastic member of second sleeve. The device can effectively reduce the influence that various high -voltage electrical equipment, high -voltage switch etc. produce strong magnetic field change to instrument sensor, has guaranteed the stability and reliability of on -the -spot instrument, the setting of apron makes the device whole convenient dismounting and overhauling, can be applicable to multiple types of instrument.

The application belongs to the technical field of communication interference protection, and specifically discloses a cross-time-scale interference cancellation real-time decision system, wherein a radio frequency quadrature receiving module is used for receiving interference and communication mixed signals in space, processing and digitizing the interference and communication mixed signals, and obtaining digital baseband signals of multiple IQ two-way channels; a parallelization multi-domain fusion cancellation algorithm module is used for suppressing interference signals in the digital baseband signals of the multiple IQ two-way channels through multiple cancellation algorithms, and obtaining cancellation output signals corresponding to the multiple cancellation algorithms respectively; a cancellation effect real-time evaluation module is used for performing interference detection on the cancellation output signals corresponding to the multiple cancellation algorithms respectively, and obtaining evaluation results corresponding to the multiple cancellation algorithms respectively; and a cancellation algorithm real-time decision module is used for determining an optimal cancellation algorithm in the multiple cancellation algorithms based on the evaluation results corresponding to the multiple cancellation algorithms respectively, and outputting a cancellation output signal corresponding to the optimal cancellation algorithm.

The invention relates to the field of wind power control optimization, and particularly discloses a wind power master control PLC anti-interference method and system based on a self-shielding filtering algorithm, which abandons the traditional thought of adding hardware, and uses a current feedback signal homologous with an interference source (variable pitch driver) as an original reference. The method is characterized in that the signal is not directly used, but a software-defined shielding layer is constructed through unique interference feature extraction and purification steps, and pure interference features capable of accurately representing noise are intelligently extracted from an original reference signal, so that a high-quality virtual noise reference is generated. On the basis, the adaptive filtering algorithm can accurately estimate and eliminate actual interference components from a main signal (a blade angle signal). According to the method, on the premise of not increasing any hardware cost and system delay, real-time and high-precision anti-interference protection on key control signals is realized by utilizing the existing data flow in the PLC.

This invention discloses a control system and its circuit based on dual-axis electromagnetic brake drive, including a power supply and protection unit, a dual-axis brake drive unit, a dual-axis brake detection unit, and a drive isolation unit. Through the synergy and combination of the above units, four key technologies are formed: integrated symmetrical dual-axis drive, dual-signal redundant enable logic, isolated precision monitoring, and multi-level anti-interference protection. These technologies work together to overcome bottlenecks and achieve the goals of high-precision, high-reliability, and high-safety control. Its advantages include: (1) The symmetrical dual-channel architecture significantly reduces the timing deviation of dual-axis braking, improving positioning accuracy and equipment stability; (2) The innovative redundant logic can achieve PLD-level safety and eliminate the risk of over-cutting; (3) The use of an isolated detection unit greatly improves voltage sampling accuracy and anti-interference; (4) The circuit structure of the multi-level protection network is adaptable to more complex industrial environments.

An anti-interference protection circuit for a power semiconductor switch test comprises a differential sampling module, a turn-off module and a window threshold judgment module, and an output signal of the differential sampling module enters a window left input end of the window threshold judgment module after being delayed by a delay module. The output signal of the differential sampling module further enters the window right input end of the window threshold value judgment module, the output end of the window threshold value judgment module is connected with the input end of the turn-off module, and when it is detected that the left side signal and the right side signal of the window are both larger than threshold voltage, the window threshold value judgment module outputs a turn-off signal. The differential sampling module collects a voltage signal, generates a time window reference through a time delay circuit composed of a voltage follower, obtains an initial sampling value and a time delay sampling value respectively, and synchronously compares the two paths of sampling signals with a preset threshold voltage through threshold judgment to decide whether to cut off or not. According to the invention, the interference of current peak in the power semiconductor switch test is prevented, and the original function of the overcurrent protection circuit is reserved.

The utility model relates to the technical field of capacitive touch screens, in particular to a capacitive touch screen structure with an anti-interference function, which comprises a frame body, a clamping plate is fixedly mounted on one side of the frame body, a clamping groove is arranged on the clamping plate, an overflow groove is arranged on one side of the frame body close to the clamping plate, and the overflow groove is communicated with the clamping plate. Tempered glass is fixedly installed on the side, away from the overflow groove, of the frame body, an insulating film is fixedly installed at the joint of the tempered glass and the frame body, a display mechanism is arranged in the frame body and comprises first OCA, the first OCA is fixedly installed in the frame body, the tempered glass is fixedly installed on one side of the first OCA, and the second OCA is fixedly installed on the other side of the frame body. Impedance loss is reduced through the ITO layer assembly, backlight energy consumption is reduced through the light guide plate, the overall service life is prolonged through self-repairing of the self-repairing insulating layer, the dynamic shielding film, the self-repairing insulating layer and the metal back plate are integrated through the OCA glue assembly to be grounded in a multi-point mode, triple anti-interference protection is achieved, and the service life is prolonged. And the touch precision and the display stability are still kept in a complex electromagnetic environment.

The utility model provides a low-voltage power cable with a special-shaped conductor structure, which comprises a special-shaped insulating sleeve and a circular conductor, a metal shielding layer is fixedly connected onto the inner wall of the special-shaped insulating sleeve, a polyvinyl chloride protective sleeve is fixedly connected onto the inner wall of the metal shielding layer, and a special-shaped conductor is fixedly connected onto the inner wall of the polyvinyl chloride protective sleeve. The outer wall of the special-shaped insulation sleeve is movably sleeved with an alloy wedging sleeve, the outer wall of the alloy wedging sleeve is fixedly connected with a rubber buffer layer, and the left side of the alloy wedging sleeve is provided with a through hole. Through the shape design of the special-shaped insulating sleeve and the special-shaped conductor, the whole structure is of a flat strip-shaped structure, is easy to bend and high in flexibility, facilitates laying work, can save space, can carry out anti-interference protection on the special-shaped conductor through the design of the metal shielding layer, and can carry out anti-interference protection on the special-shaped conductor through the design of the alloy wedging sleeve. The device can be installed at the exposed laying position of the special-shaped insulation sleeve, and targeted compression resistance protection is carried out on the part of the special-shaped insulation sleeve.

The application relates to a compliance non-intrusive industrial control firmware over-extraction method. The method comprises the following steps: collecting physical signals of an industrial control device in operation through a non-contact sensor, analyzing and positioning a triggering time of a firmware protection mechanism in combination with a compliance constraint model, wherein the compliance constraint model comprises a fault injection power constraint, a firmware extraction time length constraint and an electromagnetic interference intensity constraint; according to the positioned protection mechanism triggering time, injecting a fault signal into the industrial control device to interfere with the operation of the protection mechanism, so as to realize bypassing of the protection mechanism; establishing communication with a storage chip of the industrial control device through a non-contact interface, and reading firmware binary data in the storage chip; and processing the firmware binary data to obtain firmware data that can be used for security evaluation. The non-contact collection and communication realize non-damage extraction of the device, the compliance constraint model guarantees industrial environment adaptability, and precise protection bypassing and efficient data processing improve extraction efficiency and compatibility.

The invention discloses an anti-interference protection circuit and method for an air conditioner compressor power device and an air conditioner. The anti-interference protection circuit comprises a current signal acquisition module, a differential amplification module, a protection judgment module and a control chip. The current signal acquisition module is connected to a current output pin of an intelligent power module (IPM) of an air conditioner compressor and acquires the total current of the IPM. Carrying out differential amplification on the collected total current signal through a differential amplification module; the protection judgment module outputs a classification protection signal to a CIN pin of the IPM and the control chip based on the total current signal after differential amplification; and the control chip sends a corresponding control signal to an intelligent power module (IPM) of the air conditioner compressor based on the classification protection signal. While the error protection problem caused by interference is solved, frequency limiting and reducing processing is carried out before shutdown, and the operation reliability of the unit is improved.

The utility model relates to communication network protection technical field, and disclose a kind of communication network anti-interference protection device, including equipment shielding protection mechanism, self-adapting heat dissipation mechanism, flow type auxiliary heat dissipation mechanism, wire harness auxiliary shielding mechanism, equipment shielding protection mechanism includes metal shield, metal shield is equipped with mounting groove, metal shield two end side edge lower middle part is equipped with slot, utilize the metal material quality of metal shield.The utility model is equipped with mounting groove on metal shield, and the electromagnetic shielding space is constructed using high-strength metal material quality by the metal shield of equipment shielding protection mechanism, the shielding wire shell of wire harness auxiliary shielding mechanism is combined, and the communication wire harness is shielded, from equipment main body to wire harness all-around block outside electromagnetic interference, improve communication network anti-interference ability, and shielding wire shell and metal shield are adapted to be connected by slot, guarantee the linking stability of overall protection structure.

This application belongs to the field of interference protection and specifically discloses a radar non-cooperative interference cancellation device and method. The device includes: a sampling antenna module for sampling interference signals in the radar space; a switch matrix module for selecting the signals received by M sampling antenna units and sending them to the sampling channel module; a sampling channel module for converting the received M sampling signals to an intermediate frequency; an analog-to-digital conversion module for digitizing the interference sampling intermediate frequency signal and the radar receiving intermediate frequency signal and sending them to the interference perception module and signal processing module; an interference perception module for determining whether there is interference in the radar receiving signal; a signal processing module for performing interference cancellation processing on the signal of the radar receiving link; and a channel calibration module for performing full-link amplitude and phase calibration on the M sampling channels. Through this application, a dynamic closed loop of interference perception, decision-making and behavior is realized, solving the non-cooperative interference problem faced by radar.

The utility model relates to the technical field of equipment cabinets, and discloses an electromagnetic shielding equipment cabinet, which comprises an equipment cabinet, a top cover, a cabinet door and a sealing element, the top cover is fixed on the equipment cabinet, the side part of the top cover is provided with an exhaust groove, and after the temperature generated in the equipment cabinet is specially processed by the top cover, on the premise of ensuring the electromagnetic shielding effectiveness, the electromagnetic shielding efficiency is improved. A necessary heat dissipation channel is provided for internal equipment of the cabinet, a frame is fixed in the cabinet, the front side of the cabinet is rotatably connected with a cabinet door, the cabinet door is movably connected in the frame, and the cabinet door is matched with a door frame at the front side of the cabinet. When the cabinet door and the cabinet are closed, the first electromagnetic shielding strip on the inner side is tightly attached to the inner side and the outer side of the side plate through clamping of the first sealing frame and the side plate, so that protection measures are improved on the basis of anti-electromagnetic interference of a traditional cabinet, meanwhile, the second sealing frame is attached to the frame, the second electromagnetic shielding strip is tightly attached to the frame, and the anti-electromagnetic interference performance of the cabinet is improved. Therefore, double-layer anti-interference protection measures are realized, and the electromagnetic shielding capability of the electromagnetic shielding cabinet is remarkably improved.

The utility model relates to the technical field of wireless communication equipment, and discloses an anti-interference protective shell for wireless communication equipment, which comprises a base, the upper part of the base is provided with a shell, the two sides of the lower part of the shell are fixedly connected with convex blocks, the two convex blocks are internally provided with dismounting assemblies, and the right side of the outer part of the shell is provided with a ventilation assembly. The upper part of the base is provided with a spectrum spreader; the dismounting and mounting assembly comprises a fixing rod, the fixing rod is fixedly connected to the interiors of the two protruding blocks, moving plates are slidably connected to the two sides of the exterior of the fixing rod, cross rods are fixedly connected to the front sides of the exteriors of the two moving plates, inserting blocks are fixedly connected to the exteriors of the two moving plates, and springs are fixedly connected to the middles of the two moving plates. According to the utility model, the protective shell of the wireless communication equipment is convenient to mount and dismount, bolts do not need to be unscrewed or screwed one by one during maintenance, and the operation is simple, convenient and time-saving and labor-saving.

The present application discloses a method, apparatus, device, and storage medium for interference protection of a toaster. The method includes: upon detecting that the toaster is powered on, determining a reaction mode of the photosensitive diode based on voltage parameters of the photosensitive diode provided in the toaster within a first preset time period; if the reaction mode of the photosensitive diode indicates an abnormality in the photosensitive diode, determining a voltage intensity mode of the toaster based on voltage values of the toaster obtained within a second preset time period; if the voltage intensity mode indicates an abnormality in the voltage of the toaster, detecting whether there is a problem with the components of the toaster; if it is detected that there is no problem with the components of the toaster, determining a corresponding protection state of the toaster based on the voltage intensity mode, determining protection parameters based on the protection state and the voltage intensity mode, and executing corresponding protection measures on the toaster based on the protection parameters. The technical solution provided by the present application can automatically detect the toaster and determine protection parameters.

The invention provides a key detection circuit and key detection equipment and system, and the circuit carries out the interference filtering of a signal transmitted by a front end through an interference protection unit, transmits an interference filtering signal to a sampling judgment unit, carries out the multiple sampling of the interference filtering signal based on the sampling judgment unit, and records the number of effective levels. According to the key detection circuit, the effectiveness of the key is judged on the basis of the number of the effective levels, so that the key detection circuit designed in the scheme can resist interference of external interference signals through a key detection mode that the effectiveness of the key is judged by matching filtering of the front-end interference signals with the number of the effective levels obtained by sampling in the rear-end interference filtering signals; according to the key detection circuit, the key recognition rate is improved, the key misjudgment probability or the key failure rate is reduced, meanwhile, time delay does not need to be set for judgment of effective signals, and on the basis that the key recognition rate is improved, the key detection circuit designed in the scheme can further improve the response speed of key effectiveness detection.

The invention belongs to the technical field of aerial cableway detection equipment, and particularly relates to a ray detection device for an aerial cableway based on an unmanned aerial vehicle. Comprising an unmanned aerial vehicle body, an unmanned aerial vehicle control terminal, a cold cathode X-ray detection host, a cold cathode X-ray emission module, a cold cathode X-ray detection module, a first wireless signal transceiver module and a second wireless signal transceiver module, the bottom end of the unmanned aerial vehicle body is fixedly connected with a mounting bracket, and the bottom end of the mounting bracket is fixedly connected with a horizontal moving mechanism. According to the high-altitude ropeway nondestructive testing system, efficient, stable and high-precision nondestructive testing of the high-altitude ropeway is completed through full-process cooperative work of airborne end accurate in-position, high-altitude ropeway rigid limiting, autonomous moving scanning, synchronous cleaning protection, real-time imaging detection, airflow interference protection and data wireless return, and the high-altitude ropeway nondestructive testing system is adaptive to outdoor high-altitude complex working environments; the core problems of tedious operation, weak anti-interference capability, poor imaging stability, incomplete detection coverage and the like in the prior art are solved.

The utility model relates to the technical field of vehicle-mounted wire harnesses, in particular to an electromagnetic shielding vehicle-mounted wire harness, which comprises a wire main body, the wire main body comprises a battery cell, the outer wall of the battery cell is wrapped with a first insulating sheath, the outer wall of the first insulating sheath is wrapped with a single woven shielding layer, and the outer wall of the single woven shielding layer is wrapped with a second insulating sheath. The outer wall of the single braided shielding layer is wrapped with a second insulating sheath, and the single braided shielding layer is used for shielding low-frequency interference of the battery cell; the contact piece terminals are electrically connected to the two ends of the electric wire main body respectively; and the shielding sheath wraps the outer part of the electric wire main body, and the shielding sheath is used for high-frequency interference shielding of the electric wire main body. According to the utility model, the single braided shielding layer and the rubber sheath are wrapped outside the traditional wire, so that the low-frequency anti-interference performance of the wire can be improved, and meanwhile, the shielding sheath is jointly wrapped outside the plurality of wires, so that the high-frequency anti-interference protection of the wire is further realized.

The invention discloses a double-coil charging method and device which are applied to a charging system comprising a double-coil charging end and a charging receiving end. A charging receiving end tracks and attenuates electromagnetic interference signals of a charging link through self-adaptive processing, a double-coil charging end distributes independent signal transmission time periods of a transmitting coil of the double-coil charging end through a multiple access technology, and meanwhile useful charging signal transmission frequency bands are dispersed through a spread spectrum technology. And generating a disturbance signal to randomize the carrier phase of the useful charging signal. The double-coil charging end continuously monitors the charging state and the electromagnetic environment change, and cooperatively adjusts the anti-interference parameters of the two parties to adapt to the dynamic interference scene. According to the method, a multi-dimensional anti-interference protection system is constructed, signal conflicts among coils and external interference are effectively avoided, coherence between interference signals and useful charging signals is effectively prevented from being damaged, signal transmission and receiving stability is guaranteed, active adaptation to a complex electromagnetic environment is achieved, and reliable charging of robots in hotels, hospitals, shopping malls and other scenes is guaranteed.