252 results about "Microwave detection" patented technology

The invention provides a device and method for microwave nondestructive testing of a PE pipeline electric melting joint, the device comprises a walking module, a signal module and a control module, the walking module comprises a fixed part and a moving part, the fixed part comprises a plurality of pipeline clamps, and the pipeline clamps wrap the periphery of a PE pipeline; any two pipeline clamps are connected through a clamp connecting fitting, the moving part comprises a rotary moving mechanism, an X-axis moving mechanism and a Z-axis moving mechanism, and the signal module and the control module are connected and both installed on the walking module. According to the method, the defect detection precision is improved, the detection safety is enhanced, online real-time monitoring is realized, manual intervention is reduced, the adaptability and flexibility are improved, and comprehensive data support is provided.

The invention discloses an intelligent directional irradiation module and an illumination control method.The intelligent directional irradiation module comprises a bottom plate, a plurality of LED light source modules, a microwave detection module, an infrared detection module, a lens moving module and a control module are arranged on the bottom plate, and the distance between the LED light source modules and an irradiated object and the outline of the irradiated object are obtained; the received distance data and contour data are compared with preset target parameters, the lens moving module is controlled to work according to a comparison result, the focal length is adjusted, the size of a light-emitting beam of the LED light source module is changed, an illuminated object is highlighted, white balance on the illuminated surface of the object is reduced, and overexposure is controlled; therefore, the local detail features of the illuminated object are clearly presented, and the illumination effect and the illumination quality of local illumination are improved.

The invention relates to the technical field of radiator monitoring, and particularly discloses a radiator heat dissipation performance dynamic test system, which is characterized in that a heat source simulation body is arranged on a heat transfer interface of a radiator, and a high-fidelity dynamic electric power load is applied to the heat source simulation body to simulate an actual working condition; radiating a microwave detection signal to a space where the heat source simulator is located and receiving a multi-path scattering response signal; the three-dimensional dielectric constant dynamic distribution of the heat source simulation body is reconstructed by solving the inverse scattering problem fused with the space-time constraint; according to the material dielectric constant-temperature relation mapping, three-dimensional temperature field dynamic distribution is generated; and finally, intelligently identifying and extracting a migration track and a temperature change curve of the highest temperature point in the space from the continuous time sequence temperature field data, and taking the migration track and the temperature change curve as a direct evaluation basis for the dynamic heat dissipation performance of the radiator. According to the method, lossless, full-field, real-time visualization and quantitative analysis of the migration process of the dynamic hot spots in the hidden heat source are realized, and the authenticity of the dynamic heat test is improved.

The invention relates to the technical field of metering devices, and provides a multi-well type metering device which comprises a well selection switching mechanism, a metering mechanism, a liquid discharge pipe and a microwave detection mechanism used for detecting the water content of crude oil. The well selection switching mechanism comprises a plurality of single-well oil pipes connected with wells, a distribution barrel connected with the single-well oil pipes and a valve seat arranged in the distribution barrel and fixedly connected with the distribution barrel, a plurality of circulating openings are formed in the valve seat in a circumferential mode, and the interiors of the single-well oil pipes communicate with the interiors of the corresponding circulating openings correspondingly. A well selection pipe communicating with the interior of the circulation opening is rotationally connected to the interior of the distribution cylinder, the side face of the well selection pipe abuts against the side face of the valve seat, one side of the well selection pipe is connected with a rotating motor, the rotating motor is fixed to the side face of the distribution cylinder, and the other side of the well selection pipe is connected with an oil conveying pipeline. The problem that in the prior art, a metering device can only measure a single well is solved, and the problem that when the water content is detected, workers need to run to multiple directions for sampling is solved.

The invention discloses a cable trench fireproof cover plate performance detection device and method based on multi-band electromagnetic waves. The device comprises a microwave detection module, a terahertz imaging module, a high-precision two-dimensional mechanical scanning platform, a synchronous control and data fusion unit and a comprehensive data analysis platform. The microwave module is used for transmitting and receiving 1-10GHz electromagnetic waves to realize deep structure detection; the terahertz module works at a frequency band of 0.1-3 THz and is used for acquiring near-surface time-domain spectral information. And the scanning platform drives the modules to perform two-dimensional rasterization scanning on the surface of the cover plate. And the synchronous control and data fusion unit coordinates the time sequence action of each module to ensure the time-space consistency of data acquisition. And the comprehensive data analysis platform performs fusion processing on the multi-source data through an inversion and imaging algorithm to generate a comprehensive evaluation report covering internal macroscopic defects, near-surface microdefects and coating thickness. According to the invention, through collaborative integration of microwave and terahertz technologies, multi-scale and integrated nondestructive testing and performance evaluation of the fireproof cover plate from a deep layer to a surface layer are realized.

The invention provides a Rydberg atom microwave detection system and method based on entangled light noise reduction, and relates to the technical field of microwave quantum. The method comprises the steps that idler frequency light and probe light with entanglement characteristics are generated, the probe light excites Rydberg atoms from a ground state to an excited state, and the idler frequency light is used for carrying noise information; the idle frequency light and the detection light are reflected into an atomic gas chamber in a non-coaxial mode, the coupling light is reflected into the atomic gas chamber, and Rydberg atoms are excited to a Rydberg first energy level from an excited state; microwaves carrying microwave information are emitted into the atom gas chamber, the microwaves are used for exciting Rydberg atoms from the first Rydberg energy level to the second Rydberg energy level so that the detection light can carry the microwave information, and finally the idler frequency light and the detection light enter the detection device so that noise information can be filtered out, and the detected microwave information can be obtained. According to the invention, loss of entanglement characteristics of the two beams of light can be effectively avoided, Rydberg atom microwave detection based on entangled light is realized, and the sensitivity of Rydberg atom microwave detection is improved.

The microwave detection robot comprises a first mounting seat, an electric telescopic rod is hinged to the first mounting seat, a second mounting seat is hinged to the output end of the electric telescopic rod, and machine body assemblies are mounted on the second mounting seat and the first mounting seat; the double-body assembly is designed, the robot is attached to a to-be-detected surface through airflow generated by a first impeller, negative pressure suction force is generated in a ring groove through a second impeller, and the negative pressure suction force is transmitted to the moving wheel assembly through a pipeline structure, so that the road holding force of the moving wheel assembly is enhanced, and the load capacity of the robot is improved; the angle between the two machine body assemblies is adjusted through the electric telescopic rods, so that the robot has the obstacle crossing ability, and the adaptability of the robot during operation in the complex environment is improved; the environment compensation module adopts an intelligent algorithm to compensate original microwave signals, so that the problem of low detection result precision caused by environmental factor interference is solved.

The invention relates to the technical field of defect detection, in particular to a defect detection method and system based on a microwave frequency crystal resonator, and the method comprises the steps: forming a microwave probe through a microwave frequency crystal resonator array, placing a to-be-detected material below the microwave probe, and setting a scanning area and scanning step lengths in two directions on the surface of the material; controlling the probe to perform point-by-point scanning according to step length, and collecting a plurality of reflection coefficients of each sampling point to form an echo signal matrix; performing singular value decomposition on the matrix, applying an adjustable coefficient to a first singular value and a second singular value, and adaptively selecting an optimal coefficient according to imaging quality to reconstruct an echo signal; performing two-dimensional Fourier transform on the reconstructed matrix, constructing a spatial filter in combination with probe spacing and defect depth to perform phase compensation, performing two-dimensional Fourier transform to obtain a defect image, and performing threshold segmentation on the defect image to obtain a binary image only containing defects; and analyzing the connected regions to obtain the gravity center position of each defect and the defect area determined by the pixel number and the single pixel area. The problems of serious clutter interference, insufficient defect imaging contrast ratio, difficulty in quantitative evaluation of defect size and the like in the existing microwave detection can be solved.

The invention relates to the technical field of polyethylene pipeline welded joint defect detection, in particular to a polyethylene pipeline welded joint microwave detection device and method based on a separable annular guide rail. The detection device comprises a profile support, an axial movement control device, a separable annular guide rail assembly and a circumferential detection device. The detection method comprises the steps that the clamping jaw type control mechanism drives the motor to be connected with the semi-annular guide rail; the ultrasonic distance sensor array measures the relative position of the annular guide rail and the polyethylene pipeline in real time, and a distance model of the annular guide rail and the polyethylene pipeline is established; calculating the adjusting distance of the microwave probe, and pushing the microwave probe by an electric push rod according to the adjusting distance; performing axial line scanning analysis to obtain an axial coordinate of the welding joint; different scanning modes such as spot scanning are executed according to different detection signals; the electric push rod adaptively adjusts the distance of the microwave probe according to the distance model. The device has the characteristics of stability, reliability, high adaptability to pipelines with different pipe diameters, high detection efficiency and the like.

The invention discloses a complementary split ring type antenna sensor for noninvasive blood glucose multi-frequency detection. The complementary split ring type antenna sensor comprises a metal radiation layer, a dielectric layer and a microstrip transmission line, the invention provides a detection method based on a microwave detection (MDT) principle, and the detection method comprises the following steps of: firstly, carrying out a microwave detection (MDT) on the basis of the microwave detection (MDT) principle; the device has the advantages of noninvasive property, high penetrating power, real-time continuous monitoring and the like. According to the present invention, by using a complementary split ring (CSRR) structure, the size design of the antenna sensor is significantly reduced, and a plurality of different resonance modes are successfully excited. A multi-frequency detection mode is adopted, and the robustness and sensitivity of blood glucose concentration detection are improved. The antenna sensor is compact in structure, simple in manufacturing process and low in cost, and has high application value in the field of medical detection. The antenna sensor provided by the invention can monitor the blood glucose concentration in real time, and has the capability of resisting environmental interference (pressure deformation).

The invention discloses a target RCS intelligent prediction method and device based on an SAR image, and a storage medium, relates to the field of microwave detection, and is used for improving the generalization ability of target RCS detection based on the SAR image. According to the method, the SAR image and the total RCS of the sample model are acquired, each group of scattering centers of the sample model in the SAR image are extracted, the first echo data and the second echo data are acquired after the echo signals of the scattering centers are superposed and stacked, the RCS of the second echo data is acquired based on the RCS calibration result, and then the PINN is trained to acquire the prediction model. And predicting the total RCS according to the SAR image of the target to be measured by using the prediction model. The method has good RCS prediction accuracy and generalization performance.

The invention discloses a liquid food pollutant microwave sensing detection method and system based on machine learning, and the method specifically comprises the steps: building a theoretical model for microwave detection of liquid food pollutants, and designing an antenna unit structure; defining a detection area on the conveyor belt and setting a sampling point position, calculating a phase difference from each antenna unit to the sampling point position, and designing a compensation phase of each antenna unit; an array antenna is built in the simulation software, and the focusing effect of the array antenna is verified; the FPGA control panel is designed for the array antenna, the upper computer is used for controlling the working state of each antenna unit, and the upper computer, the FPGA control panel and the antenna board are integrated to form the detection device. Testing the food before and after being polluted, and constructing a test data set of scattering parameters of the food before and after being polluted; and establishing a machine learning model to detect whether pollutants exist in the liquid food or not and the pollution type. According to the invention, the success rate of food pollutant detection is improved, the detection range is wider, and the detection capability is stronger.

The invention provides a microwave detection method and device for PE pipe hot-melting weld defects, and the method comprises the following steps: 1) taking a hot-melting weld of a PE pipe and a base material near the weld as detection objects, and carrying out axial and circumferential microwave scanning to obtain a reflection coefficient of each position point; 2) carrying out two-dimensional space Fourier transform on the reflection coefficient of each position point; 3) carrying out phase correction on the converted data in the depth direction; 4) carrying out two-dimensional space inverse Fourier transform on the corrected data to obtain a reflection coefficient of the target; 5, image reconstruction is carried out on the reflection coefficient of the target, and information of the defects in the PE pipe hot-melt welding seam is obtained.According to the scheme, the method has the advantages that the defects can be detected, the defect positions can be determined, and conclusion obtaining does not excessively depend on personnel skills.

The invention discloses a multi-reflection enhanced Rydberg atom microwave measurement device, which relates to the technical field of microwave receiving and detection, and comprises a non-metal shell, a base, a detection light optical fiber input interface, a coupling light optical fiber input interface, a detection light module, a coupling light module, an interaction module and a third photoelectric detector, the nonmetal shell and the base are used for installing and fixing all elements; the detection light optical fiber input interface and the coupling light optical fiber input interface emit detection light and coupling light; the detection light module and the coupling light module are respectively arranged on a detection light path and a coupling light path, and the detection light and the coupling light are modulated and then enter the interaction module; the detection light and the coupling light are reflected for multiple times in the interaction module, and the third photoelectric detector receives the detection light leaving the interaction module; according to the invention, the interaction between light path multi-reflection enhanced light and atoms is utilized to effectively enhance the electromagnetic induction transparency effect, so that the sensitivity of the atomic microwave detection device for measuring the electric field is improved.

The application discloses an online grain moisture detection device and method, which comprises a rack, a volume standard mechanism installed on the rack, a horizontal conveying belt, a baffle, a stepping motor and a plurality of partitions, the stepping motor is connected with the horizontal conveying belt and drives the horizontal conveying belt to move, the baffle is located on both sides of the horizontal conveying belt, the plurality of partitions are arranged on the horizontal conveying belt and respectively enclosed with the baffle to form closed cavities, a microwave detector is installed above the volume standard mechanism, a quantitative feeding mechanism is connected with the volume standard mechanism through a material distributing mechanism, the material distributing mechanism is arranged in an inclined mode, and a controller is connected with the quantitative feeding mechanism, the material distributing mechanism, the stepping motor and the microwave detector respectively. The application further discloses an online grain moisture detection method.

The invention relates to the technical field of quantum precision measurement, in particular to a quantum detection system and method, which are used for detecting a to-be-detected microwave field generated by an external microwave radiation device and comprise a quantum probe, a light source, a bias magnetic field module, a fluorescence detection module and a data processing module. According to the scheme, the quantum microwave detection method and system capable of measuring the external microwave field are designed according to the corresponding relation between the diamond NV color center and the microwave-light-magnetic field, accurate measurement of the microwave field can be achieved on the basis of the quantum precision measurement technology, the energy level splitting degree of the diamond NV color center can be adjusted by arranging the bias magnetic field module, and the detection accuracy is improved. Therefore, the measurable frequency range of the diamond NV color center is expanded, and the applicability of the device is improved.

A concrete structure reinforcement corrosion detection method based on a random forest algorithm and microwave scattering parameters comprises the following steps: building a microwave detection platform, and carrying out fixed frequency sweep detection on a reinforced concrete structure to obtain S parameter data with reinforcement corrosion condition information; dividing the S parameter data into a training set and a test set; extracting frequency and S parameter data of the reinforcing steel bars under different corrosion degrees, and training the random forest algorithm model by taking the frequency and S parameter data as input features and the reinforcing steel bar corrosion depth as output features; and performing microwave detection on the reinforced concrete structure, and inputting the obtained frequency and S parameter data into the trained random forest algorithm model to obtain the corrosion depth of the reinforcing steel bar. According to the concrete structure reinforcement corrosion detection method based on the random forest algorithm and the microwave scattering parameters, prediction of the reinforcement corrosion depth is achieved, and the method has the advantage of being high in accuracy.

The present application belongs to the technical field of concrete preparation detection, and particularly relates to a concrete aggregate water content detection device, which comprises a base and a rack installed above the base. A controller is installed on the side wall of the rack. The device further comprises a through hole opened in the top of the base, a support seat slidably connected inside the through hole, and a weighing mechanism installed inside the through hole for supporting the support seat. A flat hopper is arranged above the base and located on the side of the feed end direction of the support seat. The rack is provided with an adjusting drive mechanism for driving the vertical movement of the flat hopper. A microwave detection unit is arranged on one side of the flat hopper. The present application can perform online detection of the water content of concrete aggregate, improve the detection accuracy by combining weight detection and thickness control, reduce single detection interference error by cross verification of multiple sensing data, and improve data reliability to support subsequent dynamic batching.

1. Name of the product in this design: Sensor. 2. Application of this design: To achieve automatic control of lighting fixtures by detecting human and vehicle activities or light through microwave detection, for use in tri-proof lamps, incandescent lamps, fluorescent lamps, LED lamps, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a cold welding and over-welding microwave detection method and device for a PE pipe hot-melt weld, and the method comprises the steps: carrying out the axial microwave scanning of the PE pipe weld meeting the requirements across the weld to obtain a series of reference comparison data, scanning the base metal of the to-be-detected PE pipe weld to obtain the parameters of the base metal, carrying out the circumferential scanning, and carrying out the welding of the to-be-detected PE pipe weld; the method comprises the following steps of: finding out a corresponding suspected point, axially scanning the suspected point to obtain a target data matrix for judging cold welding and over welding, solving a measurement parameter by combining a corresponding algorithm, comparing the measurement parameter with an optimal parameter of a normal PE pipe welding seam, and making a final judgment according to a comparison result. The provided device is used for guaranteeing the detection precision, and the detection method and device can accurately identify cold welding and over-welding defects, can be suitable for PE pipes of different manufacturers and different specifications, and are higher in identification efficiency.

The utility model provides an intelligent device based on microwave detection, the intelligent device based on microwave detection comprises a mounting plate and an antenna, the mounting plate is provided with a metal surface formed on one surface of the mounting plate and is provided with an antenna port, the antenna is arranged in the antenna port, and an expansion reference ground can be formed by means of the metal surface. Therefore, the reference ground area of the antenna is expanded, and the occupied area of the antenna on the mounting plate can be reduced.

This invention discloses a microwave detection method for wellbore rock humidity in gas drilling, comprising the following steps: S1: Establishing a near-bit annular space microwave propagation model based on the annular structure of the gas drilling well and the properties of the rock wall interface; S2: Establishing a microwave reflection coefficient calculation model for the wellbore rock wall interface based on the near-bit annular space microwave propagation model; S3: Establishing a quantitative calculation model for the change in microwave reflection coefficient of the wellbore rock wall under low humidity conditions near the drill bit, based on the microwave reflection coefficient calculation model; S4: Establishing a simulation model for microwave reflection of the wellbore rock wall under low humidity conditions based on the quantitative calculation model; S5: Performing simulations across the entire frequency band according to the simulation model to determine the most reasonable band for the microwave detection method of wellbore rock humidity in gas drilling. This invention enables effective ultra-fast dynamic monitoring of humidity changes during drilling in low humidity ranges.

The invention relates to an online detection device and method for the moisture content of an aromatic line of a cigarette filter stick. The device comprises a guide assembly, one end of which is used for guiding an incense line impregnated with perfume from a perfume barrel, and the other end of which is used for guiding the incense line out to a filter stick forming cigarette gun; the guide assembly is used for folding the incense lines into a plurality of strands of non-intersecting incense lines and conducting the incense lines; the microwave resonant cavity is used for transmitting a microwave detection signal with a preset microwave frequency to an incense line area in the cavity; the radio frequency detection module is used for detecting a microwave response signal of the incense line area aiming at the microwave detection signal and acquiring a water content map of the incense line according to the microwave response signal; the data processing module is used for comparing the water content map of the incense line with a standard water content map corresponding to a preset microwave frequency to obtain the water content of the incense line in the incense line area; according to the water content of the incense lines in the incense line area and the length of the incense lines in the incense line area, the water content of the incense lines in the incense line area is obtained. The device can improve the detection accuracy of the water content.

The embodiment of the invention discloses a pulse synchronization method and device based on a microwave detection system, equipment and a medium. The method comprises the following steps: receiving an emission signal of an external radar, and preprocessing the emission signal to obtain amplitude data and phase data; performing pulse measurement on the amplitude data to determine a pulse width, and performing frequency calculation on the phase data to determine a pulse frequency; judging whether the pulse width and the pulse frequency both trigger pulse synchronization processing or not according to a preset pulse parameter range; and if the pulse width, the pulse frequency and the pulse period are triggered, a pulse period is obtained, the pulse width, the pulse frequency and the pulse period are judged through a state machine, and pulse data synchronized with the external radar are determined. By implementing the method provided by the embodiment of the invention, the problem that the microwave detection data of the pulse radar signal cannot be synchronously acquired in the prior art can be solved.

The invention provides a self-adaptive anti-interference composite induction alarm method, and relates to the technical field of self-adaptive anti-interference, and the method comprises the steps: carrying out the modal decomposition of a vibration signal through a vibration decomposition model, calculating a vibration signal decomposition optimization index, carrying out the optimization of a parameter of a recognition model according to the vibration signal decomposition optimization index, and carrying out the recognition of the vibration signal. The method comprises the following steps: acquiring target characteristics of a modal component, calculating dynamic unfamiliar attributes in a time period formed by multiple window times through a sliding window method, detecting a to-be-early-warned region by setting microwave emission initial parameters, performing time-frequency domain analysis on an echo signal, and calculating the detection quality of the echo signal, thereby realizing early warning of the to-be-early-warned region. The method comprises the following steps: optimizing microwave emission parameters through a microwave optimization model, obtaining an optimal echo signal, establishing a feature recognition model, respectively outputting feature recognition data, carrying out composite early warning, and automatically adjusting diffraction waves for detection when an obstacle shielding a microwave signal appears in microwave detection.

This invention discloses a method for monitoring the hydration process of concrete using near-field microwaves, relating to the field of concrete forming monitoring. The invention first prepares concrete samples according to the specified method for the corresponding concrete. Then, the probe of the near-field microwave detection device is inserted 0.5-1 mm below the sample surface to obtain the resonant frequency fr, quality factor Q, phase P, and transmission coefficient S. 21 The curves corresponding to fr(t), Q(t), P(t) and S are... 21 (t); Differentiating each curve yields f'(t), Q'(t), P'(t), and S'(t); Zeros in f'(t), Q'(t), P'(t), and S'(t) represent critical points of state change during concrete hydration. Zeros in f'(t), Q'(t), P'(t), and S'(t) are determined respectively; the critical points of state change during concrete hydration are determined by averaging one or more of the curves f'(t), Q'(t), P'(t), and S'(t). Compared with existing technologies, this invention has the advantages of simple operation, low cost, adjustable detection accuracy, fast response speed, in-situ detection capability, and strong universality.

The application provides an anti-interference microwave detection method and a microwave detection device, wherein the anti-interference microwave detection method can avoid using multiple filtering methods to accurately eliminate interference signals in the corresponding Doppler intermediate frequency signals, which have any frequency relationship with the local oscillator signal of the microwave detection device, such as the same frequency, adjacent frequency and multiple frequency, so as to guarantee the integrity of the Doppler intermediate frequency signals and the accuracy of the feedback of the Doppler intermediate frequency signals to the movement of the object in the corresponding detection space, which is beneficial to realize the combined detection of action characteristics such as human movement, micro movement, breathing and heartbeat, and the detection function of the microwave detection device is rich and suitable for intelligent detection applications with multiple functions.

The application discloses a kind of microwave perception detection method and system of liquid food pollutant based on machine learning, specifically: the theoretical model of microwave detection liquid food pollutant is established, antenna unit structure is designed;Detection area is demarcated on conveyor belt and sampling point position is set, the phase difference of each antenna unit to sampling point position is calculated, and the compensation phase of each antenna unit is designed;Array antenna is built in simulation software, and the focusing effect of array antenna is verified;FPGA control board is designed for array antenna, and the working state of each antenna unit is controlled using host computer, and the detection device is formed by integrating host computer, FPGA control board and antenna board;Test food before and after being contaminated, and construct the test data set of scattering parameters before and after food contamination;Machine learning model is established to detect whether liquid food is contaminated and the type of pollution.The application improves the success rate of food pollutant detection, and the detection range is wider and the detection capacity is stronger.

The present invention provides a microwave detection module with an extended beam angle, wherein the microwave detection module with an extended beam angle has a target detection direction and can form a radiation space stretched in the radial direction of the target detection direction, correspondingly improving the plane beam angle of the radiation space so that the radiation space has a cylindrical shape within a corresponding detection distance range. When the microwave detection module with an extended beam angle is used for directional detection of human activities, the actual detection space of the microwave detection module with an extended beam angle corresponding to the radiation space can match the corresponding target detection space, thereby improving the detection stability of the microwave detection module with an extended beam angle.

The invention discloses a microwave detector and detection method for porcelain insulator production, which relates to the field of microwave detection technology, including a chassis, etc., the chassis is rotatably connected with a rotating module, the rotating module is fixedly connected with a microwave generating module, the rotating module is used to place porcelain insulators, the chassis is fixedly connected with a pair of infrared thermal imaging acquisition modules, the chassis is fixedly connected with a pair of electric slide rails, the paired electric slide rails are slidably connected with a mobile top frame, the chassis is fixedly connected with a pair of mounting racks, the mounting rack is slidably connected with a first top block, the rotating module is slidably connected with a mobile rack, the mobile rack is fixedly connected with a second top block distributed equidistantly around the circumference, and a fixing assembly is provided on the second top block. The invention can lift and clamp the porcelain insulator upward through the second top block and the pressing rack and other components, so as to prevent the porcelain insulator from transferring part of its own heat to the rotating module due to heat conduction after being heated by microwaves, thereby affecting the collected data and test results of the infrared thermal imaging acquisition module.