5169 results about "Tester device" patented technology

The invention relates to the technical field of integrated circuit test and calibration, and discloses a chip test and calibration method and a chip tester. The chip test calibration method is applied to a chip test module and specifically comprises the following steps that S101, a starting signal sent by a user terminal is received, environment initialization operation is executed, and after initialization is completed, a system automatically enters a standby mode and waits for an external trigger signal or a user instruction; and S102, synchronously capturing input and output signal waveforms of the tested chip at a preset sampling frequency through a high-precision current sensor and a voltage sampling circuit. Through a dynamic parameter acquisition and real-time compensation technology, a voltage reference error is effectively reduced, the temperature control precision is superior to + / -0.3 DEG C, signal distortion caused by environmental interference is effectively inhibited, a multi-dimensional calibration model is combined with time domain, frequency domain and statistical characteristic analysis, nonlinear errors and system drift can be dynamically corrected, and the system performance is improved. And the attenuation error of a test signal transmission path is lower than 0.02 dB.

The invention discloses an electronic communication cable detection device in the technical field of cable detection, and the device comprises a workbench, an insulation tester and a dielectric loss tester, the workbench is provided with a darkroom, the axial side wall of the darkroom is symmetrically provided with ports, the ports are internally and fixedly connected with window shades, and the interior of the darkroom is fixedly connected with a defect detection assembly. A roller assembly is fixedly connected to the outer side wall of the darkroom, multi-stage clamping assemblies located on the two sides of the darkroom are symmetrically and fixedly connected to the top of the workbench, a controller is fixedly connected to the workbench, and the flaw detection assembly, the roller assembly, the multi-stage clamping assemblies, the insulation tester and the dielectric loss tester are all in signal connection with the controller. According to the invention, through multi-stage screw-in self-adaption to cables with different diameter specifications, the clamping stability is ensured, and the pressure sensor cooperates with the electrical performance detection instrument and the camera to integrate various detections, so that the detection cost is reduced, the detection accuracy is improved, and the cable to be detected is prevented from being damaged in the detection process.

A method for planning and executing a test of a DUT includes receiving a test description from a user via a GUI, where the test description identifies the DUT and an objective of the test; composing a prompt for querying a large language model (LLM) based on the test description, where LLM includes a trained machine learning algorithm; sending the prompt to the LLM via an API; determining, using the LLM, a test plan for executing the test to be performed in response to the prompt to achieve the objective of the test based on the test description and general testing information, where the test plan identifies a type of test, test instruments for performing the test, a test procedure using the instrument, and parameters of the DUT to be measured according to the test procedure; providing, via the GUI, the test plan to the user for testing the DUT.

The invention provides a cable fault detection method based on an intelligent cable fault test device and a test device, and the method comprises the steps: synchronously connecting a fault cable and an adjacent healthy cable through a cable fault tester, and enabling the fault cable to be connected with the adjacent healthy cable when a high-voltage pulse is applied; and synchronously capturing an active reflection signal of the fault cable and a passive coupling induction signal of the healthy cable. Through cross-cable signal feature comparison, a real fault signal is accurately identified, a roughly measured fault distance is calculated according to the real fault signal, and fuzziness of traditional waveform interpretation is overcome. According to the spectrum characteristics of the real fault signal, the optimal filtering parameter is adaptively configured for the acoustic-magnetic synchronous positioning instrument, and the signal-to-noise ratio of the accurate fixed point is improved. And accurate point positioning is carried out near the rough measurement distance, and secondary verification is carried out at the corresponding position of the healthy cable, so that closed-loop positioning of the fault is completed in a mode of confirming that no sound magnetic signal exists. According to the invention, accurate extraction and positioning guidance of fault features are realized, and the accuracy and efficiency of cable fault detection are greatly improved.

The present invention relates to an in-situ micro-nano impact indentation testing instrument, falling within the technical field of material micromechanical testing. The instrument comprises a nitrogen generation module, an environmental chamber, a high / low temperature loading module, an “optical-infrared” in-situ monitoring module, an “electromagnetic-piezoelectric” coupling impact module, etc. After the nitrogen is introduced into the environmental chamber and the test area is determined by microscopic imaging, the “electromagnetic-piezoelectric” coupling impact module can drive an indenter to indent a specimen. An acoustic emission sensor embedded in the high / low temperature loading module can monitor the surface crack propagation of the specimen. The “optical-infrared” in-situ monitoring module can perform real-time high-speed optical imaging and infrared imaging on the impact indentation process. The present invention can perform micro-nano impact indentation testing on the material at high or low temperatures.

The invention discloses a novel concrete pavement hardness detection device, and belongs to the technical field of detection. The invention discloses a novel concrete pavement hardness detection device, and belongs to the technical field of road engineering detection. The device comprises a springback tester, an ultrasonic tester and an analysis system, and equipment credibility parameters are generated through a springback confidence model (quantitative impact energy / angular deviation) and an ultrasonic confidence model (quantitative frequency / probe centering error); combining a pavement characteristic model (analyzing water content / temperature / steel bar density) to output an environment adaptation coefficient; further dynamically calculating a springback risk coefficient and an ultrasonic risk coefficient based on a risk model (fused vibration / carbonization depth); and finally, outputting a calibration intensity value through the intensity correction model. The method solves the defects of weak anti-interference capability and insufficient precision of a traditional method, effectively improves the detection efficiency, and is suitable for high-precision scenes such as expressways and airport runways.

According to the power cable multi-defect nondestructive testing method and system based on the broadband impedance spectrum, impedance characteristics of a cable under different frequencies are measured, frequency domain data are converted into time domain data through inverse Fourier transform, and accurate positioning and evaluation of internal defects of the cable are achieved; the invention discloses a power cable multi-defect nondestructive testing method based on a broadband impedance spectrum. The method comprises the following steps: step 1, signal output and acquisition; the method comprises the steps that a broadband impedance spectrum tester is used for outputting a broadband sine wave voltage signal, frequency domain measurement data are collected, and the frequency domain measurement data are impedance data of a cable under different frequencies; 2, carrying out time-frequency conversion; converting the frequency domain measurement data into time domain data through inverse Fourier transform, generating a time-amplitude curve, and analyzing the electrical characteristics of the cable; 3, establishing a defect identification model; analyzing the electrical characteristics of the cable at different frequencies by using the transmission line model, and evaluating the state of the cable; step 4, defect positioning and evaluation; and 5, displaying and analyzing a result.

The invention relates to the technical field of resistance test equipment, in particular to a portable loop resistance tester, which comprises a test and acquisition module used for acquiring current and voltage signal data of a tested product, analyzing a loop contact state and calculating a loop resistance value and impedance characteristic parameters; the control and output module is used for performing high-precision constant-current output and self-adaptive adjustment; the interaction and printing module is used for receiving a user operation instruction and displaying current and voltage signal data and a resistance value of a tested product, and meanwhile, printing is performed through a built-in thermal printer according to the user instruction; the power supply module is used for stably supplying power to equipment; and the intelligent diagnosis module is in butt joint with the cloud case library, automatically diagnoses related defect types influencing the loop resistance test, and generates a health assessment report. Therefore, the problems of small current output, insufficient sampling precision, single operation mode and the like in the prior art are solved.

The invention discloses an insulation state evaluation method for a voltage transformer online monitoring device, and the method comprises the following steps: obtaining an original dielectric loss angle tangent value through a dielectric loss tester, and collecting the temperature and relative humidity through an environment sensor; performing temperature and humidity compensation on the collected dielectric loss angle tangent value to obtain a compensated dielectric loss angle tangent value; performing trend prediction on the compensated dielectric loss angle tangent value based on an autoregressive integral moving average model to obtain a predicted value; judging an abnormal state by comparing a predicted value with a dynamic threshold value; performing risk assessment by integrating the equipment state parameters, and outputting a corresponding maintenance decision according to an assessment result; according to the invention, the interference of environmental factors on the measurement of the dielectric loss angle tangent value is eliminated, and the measurement accuracy is improved; the abnormal change trend of the dielectric loss value is found in advance through trend prediction, and early warning is realized.

The embodiment of the invention provides a seat leather testing method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a seat leather material, an opponent material, a seat foaming material and a profiling structure used by a vehicle in response to a vehicle design demand; then carrying out corresponding bonding connection treatment on the seat leather material, the opponent material, the seat foaming material and the profiling structure, and starting a friction abnormal sound tester to carry out a friction test on the seat leather material so as to determine a friction loudness value of the seat leather material; according to the method, the friction loudness value of the seat leather material is calculated, and the durability result of the seat leather material is determined according to the friction loudness value, so that the use condition of the seat leather in the whole life cycle of the whole vehicle is simulated on the friction abnormal sound tester in advance, and the possible abnormal sound problem can be accurately identified in the early stage of seat development; the situation that temporary measures with limited effects are taken in the mass production stage is avoided, the research and development cost of the whole vehicle is reduced, and the overall quality and market competitiveness of products are improved.

The invention discloses an automatic feeding and discharging precise straightening system for stainless steel plates. The automatic feeding and discharging precise straightening system comprises a feeding table, a feeding mechanical arm, a straightening machining table, a discharging mechanical arm, a qualified product discharging table and a defective product discharging table which are sequentially arranged from front to back. The feeding table is used for providing a stainless steel plate to be machined, a laser scanner is arranged above the feeding table, the feeding mechanical arm is used for carrying the stainless steel plate on the feeding table to the straightening machining table, the straightening machining table is used for conducting straightening machining on the stainless steel plate, and a flatness tester is arranged at the rear end of the straightening machining table; the discharging mechanical arm is used for carrying the stainless steel plate on the straightening machining table to the qualified product discharging table or the defective product discharging table. The qualified product discharging table and the defective product discharging table each comprise a discharging table body, and carrying trolleys are arranged in the discharging table bodies and used for carrying stainless steel plates. The automatic feeding and discharging device can achieve automatic feeding and discharging, conveying and automatic positioning of plates are achieved, the straightening effect is improved, and qualified products and defective products are conveyed and output respectively.

The utility model discloses an integrated test control system of a power module. The integrated test control system comprises an NTC test loop and an insulation test loop. The system also comprises a change-over switch. The insulation voltage-withstanding tester passes through the NTC test loop and then leads out an NTC test terminal. An insulation test terminal is led out from the insulation voltage-withstanding tester through an insulation test loop; and the insulation test terminal and the NTC test terminal are respectively connected to the test end of the power module to be tested through the change-over switch. Compared with the prior art, the testing device has the advantages that two testing procedures are integrated together, different testing procedures can be rapidly switched through the change-over switch, NTC testing and insulation testing can be rapidly completed, testing efficiency is improved, the procedures of insulation testing and NTC isolation testing are simplified, and operation efficiency is improved.

A trailer test module of a vehicle is electrically connected between a trailer tow electrical connector of the vehicle and a wiring harness of the vehicle that carries electrical signals for a trailer such that when the electrical connector of the trailer is attached to the trailer tow electrical connector, the trailer tow electrical connector is between the trailer test module and the electrical connector of the trailer. The trailer test module includes circuitry that replicates an electrical load of the trailer.

A test system has ovens configured to hold devices under test (DUTs), DUT switches, each connected to the DUTs in an oven, splitters, each splitter connected to a DUT switch, an instrument switch connected to one output of each splitter, the other output of each splitter connected to a test instrument, and one or more processors to control the instrument switch to select one of the DUT switches connected to an oven, control the selected DUT switch to connect each DUT in the oven to a channel of the test and measurement instrument, use machine learning to tune the DUT to a set of parameters until the DUT passes or fails, repeat the connecting, tuning, and testing of each DUT until all DUTs in an oven have been tested, and repeat the selection and control of the DUT switches until each DUT in each oven has been tuned and tested.

The utility model discloses a paper cup tester which comprises a swinging and rotating unit, and the swinging and rotating unit comprises a supporting seat, a swinging seat and a fixing support used for placing a paper cup. The fixed support is arranged on the swing seat, and the fixed support can rotate relative to the swing seat; the swing seat is rotationally connected with the supporting seat so as to adjust the included angle between the fixing support and the horizontal plane; the first driving mechanism is used for driving the fixed support to rotate, and the second driving mechanism is used for driving the swing seat to swing relative to the supporting seat. During use, a paper cup filled with water and covered with a cup cover is placed on the fixing support, and the front-back swing angle is controlled through rotation of the swing base relative to the supporting base. And the fixed support on the swinging seat can rotate on the swinging seat, so that all cup edges of the paper cup can be in contact with liquid. Compared with the manual inclination and rotation of the paper cup, the paper cup tester provided by the utility model can enable the operation to be more standard and normative, and has better consistency during multiple tests.

The invention provides a performance testing device and method for relay protection, belongs to the technical field of circuit testing equipment, and solves the technical problems that the working intensity of operation and maintenance personnel is high due to the fact that an existing road is rugged and equipment is heavy, the temperature is high in summer, and mechanical equipment and the maintenance personnel are overheated due to the too high temperature. The performance testing device for relay protection comprises a moving box and an equipment cavity formed in the moving box, a mounting frame is rotationally connected in the equipment cavity, a relay protection tester is arranged on the mounting frame, a limiting plate is slidably connected to the mounting frame, and a regulation and control assembly for controlling the limiting plate to move is arranged on the mounting frame. And the limiting plate and the inner wall of the mounting frame clamp and fix the relay protection tester, and the bottom of the moving box is slidably connected with a driving box. The device has the advantages that the mobility of the device is achieved, the damping effect is achieved during moving, vibration to the device is reduced, and wind power can be generated to cool the device when the device is transferred and advances.

The invention discloses a chip RF calibration method and system based on an artificial intelligence model, electronic equipment and a storage medium. The chip RF calibration method comprises the steps that S1, a mathematical model is constructed; constructing a chip RF calibration artificial intelligence AI mathematical model; the general-purpose tester is remotely controlled, the general-purpose tester extracts constellation diagram data of different DUTs in a non-air interference state by using VSA, and feature extraction is carried out through AI; s2, a model training step; a deep learning model with the minimum error is obtained through model training; taking the obtained deep learning model as a mathematical model for predicting RF correction parameters; step S3, an RF parameter prediction step; and predicting the RF parameters of the chip by using the constructed mathematical model. According to the chip RF calibration method and system based on the artificial intelligence model, the electronic equipment and the storage medium, RF calibration parameters of various chips can be accurately predicted in real time.

The invention relates to a wide-range multichannel high-resistance tester, which belongs to the technical field of electronic measurement, and is characterized in that each measurement channel is connected with a resistor to be measured; the upper computer executes measurement control and data processing on the wide-range multi-channel high-resistance tester; the ARM processor sends the test instruction to the FPGA processor; the FPGA processor is used for controlling the wide-range switching module and the channel switching module; the channel switching module is used for switching a measurement channel needing to be measured; each current sampling unit collects a current signal of the to-be-measured resistor passing through the corresponding measurement channel; the range switching module adopts a self-adaptive range switching algorithm to select an optimal range; the amplification circuit amplifies the current test signal; the ADC module converts the amplified current test signal into a current digital signal; and the FPGA processor calculates the resistance value of the resistor to be measured on the corresponding measurement channel according to the current digital signal. The invention has the characteristics of wide measuring range, high efficiency and high stability.

The invention discloses a multi-station parallel test automation device for a high-voltage mutual inductor, and relates to the technical field of mutual inductor testing, the multi-station parallel test automation device comprises a test base, a high-voltage test board and an annular station, the upper end of the test base is provided with a test frame, the upper end of the test frame is provided with a first electric push rod, and the rear end of the test frame is provided with a tester; a moving plate is arranged at the upper end of the high-voltage testing table and arranged at the lower side output end of the first electric push rod, a testing groove is formed in the lower end of the high-voltage testing table, a plurality of high-voltage conductive contact fingers distributed in an annular array are arranged in the testing groove in a sliding mode, and a plurality of electromagnetic adjusting assemblies corresponding to the high-voltage conductive contact fingers are arranged on the side wall of the testing groove. The electromagnetic adjusting assembly is used for driving the high-voltage conductive contact finger to slide, and a plurality of uniformly distributed guide rods are arranged between the moving plate and the test base; the annular station is rotationally arranged on the upper side of the test base, the annular station is located on the lower side of the high-pressure test board, and at least two sets of clamp assemblies are arranged on the annular station.

A calibration method of calibrating a test instrument includes the following: consecutively connecting a set of calibration standards to at least one port and performing a calibration measurement for each calibration standard connected, thereby obtaining a first set of measurement data; determining, based on a multi-port error model and the first set of measurement data, a plurality of error terms of the multi-port error model, wherein at least one of the error terms includes a product of two error parameters; connecting an additional calibration standard to the at least one port; performing a calibration measurement with the additional calibration standard connected, thereby obtaining a second set of measurement data; and determining the two error parameters based on the second set of measurement data. Further, a calibration system is described.

The invention discloses a battery performance testing system based on a deep-sea low-temperature ultrahigh-pressure environment, and belongs to the field of battery performance testing, the battery performance testing system comprises a console and a testing cabin, and a watertight connector is arranged in the testing cabin; through cooperative use of the console, the test cabin, the watertight connector, the electrochemical tester, the distributed optical fiber sensor and the macroscopic monitoring module, the limitation of single function in the prior art is broken through, the watertight connector guarantees electrochemical parameter transmission, and the distributed optical fiber sensor is implanted into a battery cell to realize internal strain temperature monitoring. And the macroscopic monitoring module covers appearance and size monitoring through integrated design of a fixing ring, and data of electrochemical performance of the battery, microcosmic material state (such as internal strain and temperature of the battery cell) and macroscopic galvanic pile structure change (such as appearance bulge and size compression) can be synchronously acquired through cooperation of the three modules, so that multiscale data support from microcosmic to macroscopic is provided for research personnel.

The invention relates to the technical field of generator test equipment, and particularly discloses a comprehensive test platform for a generator. The bearing assembly, the hoisting assembly and the testing instrument are installed on the vehicle body, the bearing assembly comprises two bearing arms and a driving mechanism, and weighing sensors are installed on the bearing arms and can be far away from and close to each other; the test instrument can obtain related test data based on weighing data fed back by the weighing sensor. The comprehensive test platform for the generator can move, can automatically complete loading and unloading of the diesel generator, does not need assistance of other equipment, and remarkably reduces the requirements for site conditions; data such as the whole machine weight, the fuel consumption rate and the operation stability can be measured, the test items are rich, and the functions are complete; and the transfer frequency in the comprehensive test process can be effectively reduced. After the test is completed, the diesel generator can be transferred and loaded to another test device, which is efficient and fast; and meanwhile, the method has the technical advantages of good applicability, easiness in implementation, relatively low cost and the like.

The invention discloses a gear calibration method for a 3D Hall type combination switch, and the method comprises the steps: starting an upper computer, notifying a six-axis force control robot and a CAN bus tester to prepare, enabling the robot to insert a test sleeve into a switch driving lever, and calibrating the test sleeve to a switch center; the six-axis force control robot pokes a poking rod to test a first gear, collects a force-angle-time array and X / Y / Z magnetic field data of a 3D Hall sensor, calculates alph and beta angles, constructs a correlation array and sends the correlation array to an upper computer; the upper computer generates a multi-dimensional curve graph, analyzes the maximum operating force F1 and the angle S1, finds out a force control point F3 and an angle S3 which are equivalent to the F1 after the S1, and determines the trigger time T3 and calibration data alpha < ph3 >, beta < 3 >, X3, Y3 and Z3; repeating the steps to obtain calibration data of each gear, and after the upper computer is verified to be qualified, writing a product by the CAN bus tester to complete calibration; and 6, the axial force control robot tests all gears, and the CAN bus tester detects the triggering condition and verifies the calibration effectiveness. Problems of early triggering, delayed triggering and the like of the switch can be avoided, and the gear function is accurately triggered.

The invention relates to a KRG system instrument channel test method, a computer storage medium and control equipment. The method comprises the following steps: S10, acquiring test parameters of a to-be-tested instrument channel; s20, a ramp voltage signal is output to a processing calculation module of a to-be-tested instrument channel according to the test parameters and a preset linear formula; s30, acquiring an output end signal of a threshold trigger corresponding to the to-be-tested instrument channel; s40, judging whether the signal at the output end of the threshold trigger jumps or not; s50, when the output end signal jumps, the voltage value of the ramp voltage signal at the jumping moment is recorded as the action voltage; and S60, judging whether the instrument channel to be tested is qualified or not according to the action voltage. According to the invention, the instrument channel to be tested can obtain the ramp voltage signal required by the test through the software program, then the instrument channel is tested, and the method has the advantages of small manual operation amount, low human error risk and high test accuracy.

The utility model discloses a fracturing wellhead water hammer wave tester, which relates to the technical field of petroleum physical exploration, and comprises a wellhead oil pipe buckle joint, a copper gasket, a pressure gauge and a connecting plug, the wellhead oil pipe buckle joint is connected with a wellhead; the copper gasket is arranged between the wellhead oil pipe buckling head and the pressure gauge and is used for sealing and buffering between the wellhead oil pipe buckling head and the pressure gauge; the pressure gauge is used for monitoring wellhead pressure changes in real time; the connecting plug is used for connecting the pressure gauge with an external data processing system. Based on the tester provided by the invention, the pressure change generated during underground fracturing can be accurately and reliably monitored.

The invention discloses a calibration method and a calibration system. A calibration method for calibrating a test instrument comprising at least one port, at least one signal analysis module and at least one signal generator module is described. The at least one signal analysis module and the at least one signal generator module are each connected to the at least one port. The calibration method comprises the steps of: successively connecting a set of calibration standards to at least one port, and performing a calibration measurement for each connected calibration standard, thereby obtaining a first set of measurement data; determining a plurality of error terms of the multi-port error model based on the multi-port error model and the first set of measurement data, where at least one of the error terms includes a product of two error parameters; connecting an additional calibration standard to the at least one port; performing a calibration measurement if the additional calibration standard has been connected, thereby obtaining a second set of measurement data; and determining two error parameters based on the second set of measurement data.

The utility model relates to a calibration device based on a petroleum moisture content tester, which belongs to the technical field of petroleum detection equipment and comprises a flash tank, the flash tank comprises a shell, a buoy is slidably connected in the shell, a guide rod is fixedly connected to the upper end of the buoy and penetrates through the upper end of the shell, and an exhaust component is communicated with the side wall of the shell. A liquid outlet is formed in the lower end of the flash tank, the inner side wall of the shell is fixedly connected with a double-layer O-shaped sealing ring, and the floating barrel is in contact with the double-layer O-shaped sealing ring; the exhaust assembly comprises an exhaust funnel communicated with the flash tank, a floating block is slidably connected to the interior of the exhaust funnel, the upper side wall and the lower side wall of the floating block are fixedly connected with limiting circular plates, and a plurality of water conveying holes are formed in the limiting circular plates. The phenomena of missing detection, reading recording errors and the like are fundamentally eradicated, original data can be traced and checked, and the accuracy of quantity value traceability of the online water content meter is guaranteed.

The invention relates to the field of performance testing of high-precision fiber-optic gyroscopes, and discloses an automatic testing method and system for the extinction ratio of a high-precision fiber-optic gyroscope, and the method comprises the following steps: constructing a signal light path and a reference light path, and combining the output light of the signal light path and the reference light path into a combined light signal in an orthogonal polarization state; integrally measuring the extinction ratio of the combined optical signal by using an extinction ratio tester to obtain a measured value; the control unit compares the measured value with a target value of 0dB and generates a control instruction based on a difference value; the voltage controller automatically adjusts the voltage of the integrated optical modulator in the signal light path according to the instruction, and iterative optimization is carried out through closed-loop feedback until the actually measured extinction ratio reaches a target value; and finally recording and solidifying the optimal voltage value. According to the invention, single and accurate extinction ratio overall measurement is used for replacing two times of error-prone independent optical power measurement, full-automatic closed-loop control is realized, the precision, efficiency and consistency of optical power balance are remarkably improved, and the skill requirements on operators are reduced.

The invention relates to a transformer direct current resistance tester. The transformer direct current resistance tester comprises a box body, an operation panel and a wiring terminal arranged on the operation panel, the limiting mechanism is used for limiting pulling-out of the detection line; the driving mechanism is used for controlling the limiting mechanism to contact and limit the detection line; the limiting mechanism comprises a limiting plate which is movably arranged on the operation panel; the transmission assembly is used for controlling the movement direction and position of the limiting plate; the wiring port and the detection port are both arranged on the limiting plate, the end part of a detection line penetrates through the wiring port to be connected with the wiring end, and the detection port is used for the detection line to penetrate through; the transmission assembly is used for enabling the detection opening in the limiting plate to move to the position above the end of the detection line. According to the invention, the detection line is limited, so that the effect of improving the safety performance after external power failure is achieved.

The utility model provides glass limit failure testing equipment which comprises a supporting frame, a plurality of C-shaped clamps are arranged on the edge of the supporting frame at intervals, the supporting frame comprises a supporting plate, a plurality of discharging holes are formed in the supporting plate in a penetrating mode, a waste collecting groove is formed in the bottom of the supporting plate, the waste collecting groove is communicated with the discharging holes, and the C-shaped clamps are connected with the supporting plate. According to the utility model, through the arrangement of the discharge hole, the waste material collecting groove, the communication hole, the drawing box and the opening, glass particles fall into the drawing box through the discharge hole and the waste material collecting groove, so that the glass particles in the drawing box can be conveniently recycled; therefore, workers can concentrate and recycle the glass particles conveniently, pollution to the working environment is avoided, and the working efficiency is improved.