69 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 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 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 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.

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 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 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.

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 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.

The invention provides a canal ship high-precision trajectory reconstruction and collision risk dynamic prediction device, which comprises a multi-source data acquisition module, a high-precision trajectory reconstruction module, a collision risk dynamic prediction module, a main control and communication module and an early warning output and man-machine interaction module, a video image acquisition unit in the multi-source data acquisition module comprises a multi-mode sensing tower main body, the top end of the multi-mode sensing tower main body is fixedly connected with a mounting seat, a damping box is fixedly connected above the mounting seat, a vertical block is arranged above the damping box, a first servo motor is fixedly mounted at the bottom of the vertical block, and a second servo motor is fixedly mounted at the bottom of the vertical block. And a damping assembly is arranged between the bottom of the first servo motor and the damping box. Interference of ship vibration, wind power and the like is effectively counteracted through the damping assembly of the multi-mode sensing tower, automatic lens cleaning is achieved through the protection cleaning assembly, it is ensured that video images are clear in the rain, fog and dust environment, and the problem that performance of traditional video equipment is reduced in severe weather is solved.

The invention discloses a laser-arc hybrid welding monitoring device and method for spectral band photoelectricity and images, and relates to the field of laser-arc hybrid welding monitoring. The laser-arc hybrid welding monitoring device comprises a welding platform assembly, a welding execution assembly, a spectrum-image cooperative monitoring assembly and an anti-interference protection assembly; the welding platform assembly comprises a welding base used for bearing a workpiece to be welded, and a welding part is placed on the welding base. The welding execution assembly comprises a welding gun and a laser emitting unit. According to the laser-arc hybrid welding monitoring device and method for the spectral band photoelectricity and the image, the anti-splashing air curtain is combined with the protection lens, and lens pollution is greatly reduced; and the temperature is accurately controlled through the spiral circulating cooling pipe, so that overheating of the sensor is avoided, and continuous work of the device is realized.

The invention discloses an anti-interference filter assembly, and relates to the technical field of anti-interference filters. According to the anti-interference filter, the insulating layer and the anti-interference coating are arranged on the inner wall of the shell in a matched manner, so that a multi-layer anti-interference barrier is conveniently formed, the overall anti-interference effect of the shell is improved, and all-directional anti-interference protection of the filter can be realized; through the cooperation of the heat-conducting grease, the heat-conducting fins and the turbine blades, the heat generated during the working of the filter can be quickly conducted and dissipated; establishing a heat balance equation through an analysis module, and reversely deducing a real temperature in combination with parameters such as the heating power of the probes and the thermal resistance between the probes; according to the method, the real temperature of the component can be accurately obtained, key temperature information is provided for evaluating the performance of the component and predicting potential faults, the problem of overheating or supercooling of the component can be found in time, and stable operation of a filter assembly is guaranteed; the relation between the energy consumption and the temperature of the element is defined, and heat dissipation and energy-saving control can be more accurately carried out according to the energy consumption change rule of different temperature intervals.

The utility model discloses an anti-interference protection device for an electronic fuse, relates to the technical field of electronic fuses, and particularly aims to solve the problems that in the prior art, operation is tedious, and too many small parts exist, so that the steps are complex in the using process, the storage difficulty is increased, and the use cost is high. In order to solve the problems that a structure for buffering and protecting the bottom of an electronic fuse is not arranged, a first shell and a second shell which are hinged to each other are arranged, and an anti-interference buffering layer, a buffering base and a fastening assembly are further arranged, the technical means formed by the multiple technical characteristics is adopted; and the effects of quickly mounting the electronic fuze and carrying out damping and buffering protection on the electronic fuze are achieved.

The invention provides a train satellite positioning unsupervised deception detection method based on a zero deception sample. The method comprises the following steps: extracting satellite signal related statistical features, constructing a satellite signal feature sequence diagram by taking time as a dimension, and generating a label-free zero-cheating training feature sample set, a label-free zero-cheating verification feature sample set and a test feature sample set by utilizing the satellite signal feature sequence diagram; training the diffusion reconstruction network by using the label-free'zero-cheating 'training feature sample set, and verifying the diffusion reconstruction network by using the verification feature sample set and the test feature sample set to obtain a trained diffusion reconstruction network; inputting the signal characteristic time sequence diagram of the train in the in-transit operation process into the diffusion reconstruction network, calculating a reconstruction error index value, and judging whether the train is subjected to spoofing attack or not based on the reconstruction error index value. According to the invention, real-time detection of deception signals in the train operation process is realized, and effective support is provided for interference protection of a train positioning system.

This application discloses a motor anti-interference protection circuit based on relay-based high-voltage control, relating to the field of industrial motor control technology. By connecting a 220V AC relay module to the output of the motor protector, low-voltage control is upgraded to high-voltage control, and an independently wired 220V AC current control circuit drives an AC contactor. This solution utilizes the high noise immunity of the 220V high-voltage signal and the physical isolation effect of the relay to completely solve the signal distortion problem caused by electromagnetic interference in traditional motor protection, while maintaining compatibility with the original protector's functions. It has low modification costs and is suitable for anti-interference retrofitting of industrial motor control systems.

The invention discloses a pattern sewing machine auxiliary device for garment production, and relates to the technical field of pattern sewing machines, the pattern sewing machine auxiliary device comprises a workbench, the workbench is fixedly provided with a slide rail rod through an electric telescopic rod, and the slide rail rod is slidably provided with a control block. Through cooperation of the first torsion spring, the shifting rod and the shifting fork, the upper die automatically rotates to avoid a machine needle track at the last sewing stage, the needle breaking risk is fundamentally eradicated, by means of a flexible pressing structure of the pressing block and the spring piece, the fixing requirements of small standard pieces with different thicknesses are met, the standard pieces are prevented from being crushed or shifted, and the production efficiency is improved. The oblique angle of the push rod triggers rigid connection with the clamping assembly, synchronous sliding of the control block and the moving piece is achieved, it is ensured that the label piece and lining cloth are accurately sewn according to a preset track, automatic operation and anti-interference protection of the clothes label nailing process are achieved, the problems of potential safety hazards caused by manual pressing of the label piece and needle breakage caused by collision of a machine needle to an upper mold are effectively solved, and the production efficiency is improved. And a turning rod is matched with a second torsional spring, so that the standard parts are prevented from sliding off during feeding, and finished products can be conveniently taken out.

The invention discloses an electromagnetic environment detection system and method for a blade server. The electromagnetic environment detection system comprises a conducted interference monitoring board integrated in the server. The conducted interference monitoring board comprises an interference extraction unit, a single-chip microcomputer and a state indicating lamp. The input end of the interference extraction unit is connected with a live wire and a zero wire of a power supply filter in a server case, and extracts an electric signal representing conducted interference intensity from a power supply line; the single chip microcomputer performs digital signal processing on the electric signal, compares an obtained interference comprehensive value with a preset threshold value, and judges the state grade of electromagnetic interference; the state indicating lamp is connected with a GPIO port of the single-chip microcomputer and indicates corresponding interference states in different flicker modes. Real-time monitoring, intelligent evaluation and graded early warning of conducted interference of a power supply line are achieved, passive post-restart emergency processing is converted into active pre-interference protection, and stable operation of a blade server and continuous execution of key tasks under the maneuvering deployment condition are effectively guaranteed.

The invention relates to the field of material control, in particular to a feeding control system which comprises a multi-scale detection module for acquiring material particle size distribution and weight data in real time, an impact force resistance sensing system arranged at the bottom of a weighing hopper for detecting and processing impact, and a digital twin fusion engine coupled with the multi-scale detection module and the impact force resistance sensing system. The self-adaptive control module receives output signals of the system to adjust PID control parameters in a grading mode, the executing mechanism responds to instructions to adjust the material conveying speed and the material flow path, and the system further comprises multiple structures and mechanisms such as a triple detection framework, a specific impact recognition circuit and a discrete element behavior model. The system achieves the effects of high-precision detection of material data, effective response to impact load, realization of virtual and real data interaction and synchronization, self-adaptive adjustment of control parameters according to material fluidity, precise adjustment of material conveying and material flow paths, fault self-healing, anti-interference protection and the like, and improves the accuracy, stability and reliability of feeding control.