251 results about "Capacitive detection" patented technology

The invention discloses a multi-condition simulation capacitance detection relay life prediction method, system, equipment and medium, and relates to the technical field of relays, and the method comprises the steps: applying a plurality of simulation conditions to a relay through a programmable driving power supply, simulating the complex conditions in actual operation, and collecting the multi-dimensional parameters of the relay in real time in the execution process of the simulation conditions, extracting characteristic parameters from the collected multi-dimensional parameters, carrying out data preprocessing on the characteristic parameters, constructing a life prediction model, carrying out prediction calculation and reliability grade evaluation on the residual life of the relay by utilizing the life prediction model, and carrying out reliability grade evaluation on the residual life of the relay by monitoring capacitance change between contacts of the relay. And early performance degradation early warning is carried out in combination with a prediction result. According to the invention, through fusion of multi-working-condition simulation, hybrid modeling and capacitance detection, full-chain optimization from data acquisition, accurate prediction to early warning is realized, and the accuracy, timeliness and engineering application value of relay life prediction are improved.

The invention discloses a detection device and a detection system for harmonic oscillator capacitors of a hemispherical resonator gyroscope, and relates to the technical field of capacitor detection, the detection device comprises a signal detection circuit, a modulation compensation circuit, a differential amplification circuit and a control circuit, the signal detection circuit is connected with the output ends of the two harmonic oscillator capacitors; the modulation compensation circuit is correspondingly connected with two input ends of the signal detection circuit; the differential amplification circuit is correspondingly connected with two output ends of the signal detection circuit; the control circuit is configured to output modulation voltage to the two input ends of the modulation compensation circuit according to a voltage signal of the output end of the differential amplification circuit, and zero setting is carried out on voltage at the connecting positions of the two output ends of the modulation compensation circuit and the two input ends of the signal detection circuit. According to the invention, the modulation compensation circuit is adopted to enable the output ends of the two harmonic oscillator capacitors to work near zero voltage, the circuit has the characteristics of ultrahigh linearity, extremely low temperature drift, rapidness and stability, errors caused by power supply drift can be eliminated, and the detection precision is improved.

The utility model provides a capacitor withstand voltage tester which comprises a control system, a power supply, a high-voltage programmable power supply and a display module, the power supply, the high-voltage programmable power supply and the display module are connected to the control system, a main control module, a capacitor withstand voltage test module, a power conversion module and a communication module are arranged in the control system, and the capacitor withstand voltage test module, the power conversion module and the communication module are connected with the main control module; the capacitor withstand voltage test module is connected with the capacitor test clamp, the capacitor test clamp is connected with the high-voltage programmable power supply, the capacitor test clamp is used for placing a to-be-tested capacitor, the capacitor withstand voltage test module is used for carrying out withstand voltage test on the to-be-tested capacitor, and the high-voltage programmable power supply is used for providing a high-voltage voltage source and carrying out power supply voltage configuration through the communication module; the power supply conversion module is connected with a power supply and converts external power supply voltage into working voltage of each module, and the display module provides interface display. According to the invention, multiple channels of capacitors can be tested at the same time, the channels do not influence each other, the convenience of capacitor detection in the design and production process of automobile electronic control products is high, and the cost is low.

The invention discloses a reactive compensation equipment fault automatic early warning system based on an intelligent algorithm, which belongs to the technical field of intelligent power grids and comprises a fault data acquisition module, a feature processing module, a fault diagnosis and evaluation module and a visualization module. Matlab software, Simulink software, a configurable point fast Fourier transform algorithm, a fluorescence imaging technology, a capacitive detection technology and a related intelligent algorithm are combined, reactive power compensation equipment fault analysis is carried out from three angles of a lightning arrester, a capacitor and a reactor, and the fault of the reactive power compensation equipment is analyzed in a chart form. And the visual output of the output result of the reactive power compensation equipment fault diagnosis model is realized. According to the invention, intelligent and precise diagnosis and visual early warning of reactive power compensation equipment faults are realized by comprehensively collecting multi-dimensional data of the lightning arrester, the capacitor, the reactor and overall compensation.

A microelectromechanical sensor component. The component includes: a substrate; a movable sensor structure connected to the substrate and having a seismic mass portion and a deflection electrode arranged thereon; and at least one evaluation electrode arranged on the substrate. The deflection electrode is arranged so as to be movable relative to the evaluation electrode. The evaluation electrode is configured for capacitive detection of a deflection of the deflection electrode. The deflection electrode and the evaluation electrode form a comb structure. The deflection electrode has a plurality of deflection electrode fingers extending from a deflection electrode bar in the direction of the evaluation electrode. The evaluation electrode has a plurality of evaluation electrode fingers extending, parallel at least in portions to the deflection electrode fingers, from an evaluation electrode bar in the direction of the deflection electrode.

The application provides a capacitor detection circuit, method, chip and electronic equipment. The capacitor detection circuit comprises a capacitor collection module, a switch module and a target collection port. The capacitor collection module is electrically connected with the target collection port through the switch module, and a first capacitor sensing signal and a second capacitor sensing signal corresponding to the target collection port are obtained. The first capacitor sensing signal is a signal when the switch module is turned on, and the second capacitor sensing signal is a signal when the switch module is turned off. The capacitor collection module further determines a target capacitor sensing value according to the first capacitor sensing signal and the second capacitor sensing signal through a preset mode. Thus, the capacitor sensing value of a single target detection port avoiding temperature drift is detected by using only one signal collection port, the communication port occupation of the capacitor collection module is reduced, the capacitor detection cost is reduced, and the accuracy of the capacitor sensing value is ensured.

The invention relates to the technical field of automobile part welding, and particularly discloses a left front longitudinal beam outer plate subassembly detecting and fixing device which comprises a tool, a supporting rod, a capacitive detection switch, an acquisition module and a PLC system, the tool is used for installing a left front longitudinal beam outer plate subassembly, the tool accurately positions the left front longitudinal beam outer plate subassembly to ensure that a welding path is accurate, and the supporting rod is used for supporting the supporting rod. The supporting rod is installed at the upper end of the tool, the capacitive detection switch is installed at the upper end of the supporting rod and used for detecting a contact tube of the welding robot, the capacitive detection switch is in communication connection with the collecting module, the collecting module is used for collecting signals of the capacitive detection switch, and the collecting module is in communication connection with the PLC system. The acquisition module transmits a detection signal of the capacitive detection switch to the PLC system, the PLC system is used for controlling the operation of the welding robot, the PLC system is further electrically connected with an alarm module, the device can find the position deviation of the contact tube in time, the position of the contact tube can be conveniently corrected or replaced, and the welding quality is effectively improved.

A sensing and heating device for capacitive detection of an object in a motor vehicle includes a heater element having a first terminal and a second terminal, a heater circuit including a heating power source and a heater electronic control unit (HCU), the heater circuit configured to supply a heating current to the first and second terminals of the heater element, an AC decoupling element connected between the first and second terminals of the heater element and the heater circuit; and a capacitive sensing unit configured to use the heater element as a first antenna electrode, the capacitive sensing unit comprising a sensing circuit and a signal sensing circuit, the sensing circuit comprising a signal generating unit configured to apply an AC measurement signal to one of the first and second terminals of the heater element, the signal sensing circuit includes a current measurement device configured to sense a current flowing into the heater element in response to an applied AC measurement signal. The AC decoupling element includes a vehicle clock spring mounted between a steering wheel and a steering column of the vehicle.

The present application relates to the technical field of circuit, in particular to a non-mechanical touch button detection circuit and method.The non-mechanical touch button detection circuit provided by the present application comprises a plurality of external IO channels for connecting external sensors, a detection circuit main body comprising a plurality of function detection channels, at least including a capacitance detection channel and a pressure detection channel, and a programmable analog array switch configured to selectively switch any one or more of the external IO channels to the corresponding one or more function detection channels based on different detection modes, to realize multiplexing or combination of capacitance detection function, pressure detection function or capacitance and pressure fusion detection function.The present application realizes deep fusion and flexible reconstruction of capacitance detection and pressure detection through the programmable analog array switch, realizes automatic adaptation and time division multiplexing of a single chip to multiple detection modes, and improves the versatility, reliability and environmental adaptability of the touch button.

A drive apparatus for driving a semiconductor light-emitting device. The drive apparatus comprises an input interface, which is used for connecting to a mains input; and an output interface, which is connected in series to a linear drive circuit and is used for connecting to a semiconductor light-emitting device by means of the linear drive circuit. The drive apparatus further comprises: a mains frequency and voltage regulation circuit, which is coupled between the input interface and the linear drive circuit, and is used for performing power conversion at a mains frequency and changing the voltage amplitude of the mains input, which is provided to the linear drive circuit, wherein the mains frequency and voltage regulation circuit comprises a capacitor that is used for charging and discharging at the mains frequency; a detection circuit, which is used for detecting a signal related to the voltage of the mains input; and a control circuit, which is used for selectively activating or deactivating the mains frequency and voltage regulation circuit on the basis of the signal detected by the detection circuit.

The invention relates to a multifunctional liquid level detection method, which comprises the following steps of: 1, sending an instruction and initializing an MCU (Microprogrammed Control Unit) through an upper computer, and determining a detection task and an initial parameter; step 2, on the basis of the initialization parameters in the step 1, a sampling needle is put into a test tube to scan a capacitance detection module, and the capacitance detection module captures a capacitance change signal after the sampling needle is in contact with the liquid level; the sampling needle is of a double-needle-tube structure comprising a sampling needle tube and a mixing needle tube; 3, on the basis of the capacitance change signal in the step 2, liquid level position judgment and sample size state judgment are completed through MCU algorithm processing; and step 4, based on a sample size judgment result in the step 3, respectively completing mixing or direct sampling operation through function division and hardware cooperation of the sampling needle tube and the mixing needle tube. The method has the advantages that the accuracy is greatly improved, the anti-interference capacity is high, and the operation process is simplified.

The rocker assembly comprises a mounting seat, a rocker and a first capacitance detection assembly, the rocker is movably arranged on the mounting seat, and the first capacitance detection assembly comprises a dielectric plate, a first detection polar plate, a second detection polar plate and a compensation polar plate. The first detection polar plate, the second detection polar plate and the compensation polar plate are respectively fixed relative to the position of the mounting seat, the first detection polar plate and the second detection polar plate are arranged at intervals and form a detection capacitor, the dielectric plate is arranged between the first detection polar plate and the second detection polar plate, and the dielectric plate is linked with the rocker to be driven to move relative to the detection capacitor; the compensation polar plate and the first detection polar plate are arranged at an interval and form a compensation capacitor, the relative movement of the dielectric plate and the detection capacitor can cause the capacitance value change of the detection capacitor, and the compensation capacitor can be used for detecting the influence of environmental factors such as temperature and humidity on the capacitance value, so that the detection of the detection capacitor can be compensated. The motion detection precision of the rocker is ensured.

The invention relates to a system (1) for detecting an activation action within an activation area (200) for a vehicle (2), having a sensor mechanism (30) for capacitive detection (250) of an approach at least partially in the activation area (200) for detecting the activation action, a communication mechanism (10) for performing a communication (240) at least partially in the activation area (200), a monitoring mechanism (20) for initiating a suspension (230) and / or a restart (210) of the capacitive detection (250) depending on the communication (240).

The invention belongs to the technical field of electronic cigarettes, and particularly relates to an electronic cigarette recognition system and an electronic cigarette recognition method.The electronic cigarette recognition system comprises a capacitance detection module, a detection pad and a main control module; the detection pad is electrically connected with the signal input end of the capacitance detection module and configured to sense capacitance changes of the electronic cigarette body head portion, the electronic cigarette middle insulation portion and the electronic cigarette holder portion, convert the capacitance changes into capacitance signals and transmit the capacitance signals to the capacitance detection module. Capacitance changes of the electronic cigarette body head portion, the electronic cigarette middle insulation portion and the electronic cigarette holder portion are sensed through the detection pad, the capacitance detection module performs segmented collection and judgment based on the preset threshold ranges A, B and C, and the main control module outputs the control instruction according to the recognition result. The problems that in the prior art, manual starting experience is poor, the magnetic resistor contact type misjudgment rate is high, and the single threshold judgment accuracy of a traditional capacitor scheme is insufficient are solved.

The invention discloses a dendritic crystal in-situ quantitative detection system and detection method based on distributed micro-area capacitance detection in a battery, and aims to solve the problem that in the prior art, nondestructive, rapid, high-resolution and high-sensitivity in-situ detection of dendritic crystals in the battery is difficult to carry out. The detection method comprises the following steps: 1, compounding the capacitance detection film and the diaphragm to form a composite film, assembling the battery, and collecting the original capacitance value of each micro capacitor without dendritic crystals; 2, collecting the capacitance value of each micro capacitor on the capacitance detection film in the to-be-detected battery in the working process of the battery, calculating the capacitance change value, and obtaining the size of the dendritic crystal; and 3, adding the capacitance change values of all the micro capacitors to obtain the total lithium precipitation amount on the electrode plate and obtain dendritic crystal distribution information. The total dendritic crystal quantity and dendritic crystal growth and distribution information are obtained according to distributed micro-area capacitance signals, and the method has the characteristics of nondestructive in-situ detection, adjustable spatial resolution, high sensitivity and the like.

A full-bridge series resonant converter includes a full-bridge switch circuit, a transformer, a resonant tank, a sensing circuit, and a processing circuit. The full-bridge switch circuit includes a first switch leg and a second switch leg having a second lower switch. The resonant tank includes a resonant inductor, a magnetizing inductor, and a resonant capacitor. The sensing circuit is coupled between the resonant capacitor and a ground point of a primary side of the transformer for sensing a node voltage between the resonant capacitor and the ground point as a sensing voltage. The processing circuit counts a turned-on time of the second lower switch as a first half-cycle time based on the sensing voltage, and duplicates the first half-cycle time as a second half-cycle time for controlling the full-bridge switch circuit.

The application relates to the technical field of integrated circuits, in particular to an insulating medium capacitor detection structure and method, which comprises a substrate, a common electrode formed on the substrate and a capacitor to be detected, the capacitor to be detected is located in the common electrode of the enclosed structure, and the capacitor to be detected comprises a laminated polar plate one, an insulating medium layer to be detected and a polar plate two; the polar plate one is laterally extended at the edge to form a first lead-out part corresponding to the contact of a first signal pin of a GSG probe; the polar plate two is laterally extended at the edge to form a second lead-out part corresponding to the contact of a second signal pin of the GSG probe; and the common electrode is formed with a third lead-out part corresponding to the contact of a ground pin of the GSG probe. The application can guarantee the accuracy of capacitor measurement and realize the capacitor value measurement of the insulating medium capacitor detection structure with small size and low order of magnitude.

A method for detecting the complex capacitance of an electrochemical system and a system for detecting complex capacitance using said method are disclosed. A rheological state vector is used, a coordinate transformation is performed, and then a variable substitution operation is performed. Through the variable substitution operation, a state vector of an electrochemical signal is formed. A longitudinal normal vector for the state vector is formed, and the complex capacitance that changes instantaneously is derived.

The invention provides a switching power supply control device, method and system, electronic equipment and a storage medium. The switching power supply control device is connected with a switching power supply circuit; the switching power supply control device comprises a control module, a switch module, an acceleration capacitor, a detection module and a feedback module. When the switching power supply circuit is started, the acceleration capacitor is connected to the output positive electrode of the switching power supply circuit, so that the starting overshoot of the switching power supply circuit can be inhibited through the acceleration capacitor, the load regulation rate of the switching power supply circuit is monitored, and when the load regulation rate is detected to be too large, the switching power supply circuit is started. The acceleration capacitor is considered to influence the output stability of the switching power supply circuit, and at the moment, the acceleration capacitor is disconnected, so that the output voltage overshoot can be effectively inhibited, and stable output can be maintained under different load conditions.

The invention relates to the field of interactive data processing, in particular to a capacitive touch screen operation detection data instant feedback system and method. The touch data module is used for collecting original capacitance detection data on the capacitive touch screen and converting the original capacitance detection data into a touch data stream; the situation awareness module is used for obtaining a physical environment vibration level through a gyroscope and an accelerometer, and obtaining situation parameter data in combination with a user preference model generated by historical adjustment behaviors; the prediction identification module is used for obtaining target interaction elements through a prediction model; analyzing the hierarchical structure of the equipment view by utilizing the target interaction element, and outputting attribute data of the target element; the feedback adjustment module is used for selecting the basic waveform, performing adjustment in combination with the situation parameter data and generating a tactile driving signal; when the touch coordinates coincide with the accurate boundary coordinates, the prediction model is updated through feedback. According to the method, a closed-loop feedback system is constructed by predicting the user intention and combining the situation parameters, and the instantaneity, reality sense and intelligent level of interaction are improved.

The application relates to the technical field of hemispherical resonator gyroscopes, and provides a hemispherical resonator gyroscope scale nonlinearity error compensation method and system, which comprises the following steps: installing a hemispherical resonator gyroscope on a turntable, the input shaft of the hemispherical resonator gyroscope coincides with the rotating shaft of the turntable, controlling the turntable to rotate at two speeds with equal values and opposite directions respectively, recording the resonator gyroscope mode angle output by the hemispherical resonator gyroscope, based on the flat plate capacitance detection principle of the hemispherical resonator gyroscope, deducing an error model by combining the complete Taylor expansion, the Fourier series expansion and the binomial theorem with the relationship between the precession angular velocity and the mode angle of the hemispherical resonator gyroscope, performing multiple linear fitting according to the resonator gyroscope mode angle and the error model, solving the scale nonlinearity term according to the identifiable parameters of the nonlinearity error, and performing feedback compensation according to the scale nonlinearity term. The application can estimate the scale nonlinearity error and perform feedback compensation, thereby improving the output precision of the hemispherical resonator gyroscope.

A touch input device (1) comprises a plurality of transmission electrodes, a plurality of reception electrodes, a capacitance detection unit (12) that detects the capacitance generated between the transmission electrodes and the reception electrodes by mutual-capacitance sensing, a touch panel control unit (13) that comprises a touch operation detection unit (14) that detects a decrease in the capacitance detected by the capacitance detection unit (12) from an initial value to be a touch operation and a noise detection unit (15) that detects an increase in the capacitance detected by the capacitance detection unit from an initial value to be noise, and a touch information processing unit (16) that performs processing that corresponds to coordinate data from when the touch operation detection unit (14) has detected a touch operation. The touch information processing unit (16) invalidates at least a portion of the processing that corresponds to the coordinate data when the noise detected by the noise detection unit (15) has exceeded a first determination value. (Selected drawing: figure 1)

The application discloses a dual-mode underwater acoustic sensor and a preparation method thereof. The sensor structure comprises an SOI substrate, a sensitive structure comprising a middle mass block, a rectangular beam and a frame supporting the mass block through the rectangular beam, a piezoresistive detection unit comprising a piezoresistive resistor arranged at the end of each rectangular beam and a metal lead and an electrode connected into a Wheatstone bridge, and a capacitive detection unit comprising movable comb-tooth capacitive plates arranged around the mass block except the side of the rectangular beam and fixed comb-tooth capacitive plates arranged on the frame and intersecting with the movable comb-tooth capacitive plates. When an underwater acoustic signal causes the mass block to be offset, the rectangular beam is bent to cause the piezoresistive resistor to change in resistance value, and the facing area of the comb-tooth capacitive plates is changed to cause the capacitance to change, so that piezoresistive and capacitive dual-mode signal detection is realized. The application integrates the advantages of high precision of piezoresistance and strong temperature drift resistance of capacitance through integrated design, the comb-tooth capacitive mode can calibrate the piezoresistive mode, and the measurement accuracy, stability and robustness in a complex marine environment are significantly improved.

The embodiment of the application relates to the technical field of microelectronics, in particular to an actuator control method and system, an electronic device and a storage medium. The actuator control method comprises the following steps: obtaining a capacitance value of the actuator; obtaining position information of the actuator based on a preset position algorithm and the capacitance value; and controlling a working parameter of the actuator according to the position information when the position information does not satisfy a preset position condition. The working parameter of the actuator can be controlled according to the capacitance value of the actuator, so that the position of the actuator can be quickly and accurately detected based on capacitance detection, and the working parameter of the actuator is controlled according to the position of the actuator to quickly realize gain adjustment of the actuator.

The utility model discloses a capacitor antipole detection device, and belongs to the technical field of capacitor detection. The capacitor antipole detection device comprises a bottom frame, a conveying frame is installed at the top end of the bottom frame, belt rollers are rotationally connected to the two ends of the inner side of the conveying frame, a conveying belt sleeves the outer sides of the pair of belt rollers, a motor is installed on one side of the conveying frame, the output end of the motor is connected with one ends of the belt rollers, and a plurality of capacitor fixing bases are installed outside the conveying belt. A capacitor body is arranged on the inner side of the capacitor fixing base, an anti-pole detection mechanism is installed on the other side of the bottom frame, an alarm mechanism is installed on the other side of the bottom frame, the anti-pole detection mechanism comprises a first fixing plate, one side of the first fixing plate is fixedly connected with the other side of the conveying frame, and a vertical rod is installed at the top end of the first fixing plate. According to the utility model, the non-contact detection can be effectively realized, the pins of the capacitor are prevented from being bent, and the high practical value is realized.

An information handling system keyboard has plural adjacent keys of a number pad selectively extended to accept end user presses as inputs and selectively retracted to define a touchpad cursor input area. When the adjacent keys retract, a capacitive detection surface near the key cap upper surface detects finger touches with proximity sensing to receive finger touches as cursor inputs. The plural adjacent keys have ferromagnetic material, such as magnets, that retract the keys when a magnetic field is activated below the capacitive detection surface.

The invention provides a detection method and a content sharing method. When a mobile phone and other devices are detected to be close to a display screen of a PC, a tablet computer and other large-screen devices, rapid and accurate content interaction is achieved based on the close position, for example, the content of the position on the screen is shared to the mobile phone or the content shared by the mobile phone is displayed in the corresponding screen area, and the whole process is efficient and convenient to operate. In order to realize the approach detection, a hierarchical capacitance detection technology is introduced, a half-Idle mode between an Idle (idle) mode and an Active (active) mode is additionally arranged for a display screen touch integrated circuit (IC), and when specific events such as equipment unlocking occur, the IC is switched into the half-Idle mode to improve capacitance data acquisition frequency, and whether equipment approaches or not is preliminarily detected; once approaching is detected, the IC is switched into an Active mode to further improve the capacitance data acquisition frequency and accurately detect the approaching position, and content sharing is triggered accordingly, so that the high accuracy is guaranteed, and the equipment power consumption is effectively considered.

Provided are a detection apparatus (100) for an interventional surgical robot and an interventional medical sterile box (10). The detection apparatus (100) comprises: a capacitance detection assembly (101), a detection circuit (102) connected to the capacitance detection assembly (101), and a processor connected to the detection circuit (102). The capacitance detection assembly (101) is mounted outside a liquid cavity channel (111), and is used for detecting a capacitance signal in the liquid cavity channel (111) and sending the same to the processor. The processor is used for receiving the capacitance signal and determining, on the basis of the capacitance signal, whether a medical instrument (2) is present in the liquid cavity channel (111) at the mounting position of the capacitance detection assembly (101). By means of the detection of the position of the medical instrument (2), repeatedly performing a penetration operation of the medical instrument (2) is avoided, thereby improving the efficiency of interventional surgery.

The utility model relates to a kind of double electrode temperature compensation cooking equipment, including base and the panel for placing cookware, panel covers on base, base is built-in processing module, heating furnace tray, at least one capacitance detection module is equipped in the furnace tray interior space of heating furnace tray, each capacitance detection module has the detection electrode for sensing cookware, wherein at least one capacitance detection module is equipped with reference electrode for sensing the temperature around detection electrode, the distance of reference electrode top surface from panel is less than the distance of detection electrode top surface from panel to form height difference;Capacitance digital conversion circuit is built-in in base, capacitance digital conversion circuit is respectively coupled each electrode, for obtaining the single-end self-capacitance of each detection electrode and reference electrode or the differential self-capacitance of detection electrode and reference electrode formed;Processing module is coupled capacitance digital conversion circuit, for the detection signal of outputting whether there is cookware on double electrode temperature compensation cooking equipment according to the differential result of the self-capacitance of detection electrode and reference electrode.

The utility model relates to the technical field of ox horn capacitor production, and discloses ox horn capacitor detection equipment which comprises a workbench, one end of the workbench is provided with a feeding device and a first detection device matched with the feeding device, and the other end of the workbench is provided with an L-shaped plate. The L-shaped plate is provided with a material taking and moving device and a second detection device capable of detecting the ox horn capacitor. The workbench is provided with a good product discharging port and a defective product discharging port which are matched with the material taking and moving device. The feeding device comprises a feeding linear motor extending to the bottom of the L-shaped plate and supporting plates arranged on the two sides of the feeding linear motor, the supporting plates are provided with L-shaped limiting plates which are matched with each other and can place the ox horn capacitors, and the output end of the feeding linear motor is provided with a feeding telescopic rod. Compared with the prior art, the ox horn capacitor detection device has the advantages that the top, the bottom and the side wall of the ox horn capacitor can be displayed in front of the detection device, and the detection accuracy is good.