49 results about "Current Leakage Testing" patented technology

This utility model discloses a circuit breaker, belonging to the field of low-voltage electrical technology. The circuit breaker includes a contact structure and a leakage current test circuit. The contact structure includes a first moving contact and a conductive rod electrically connected to the first moving contact. The leakage current test circuit includes a test resistor and a spring contact. The test resistor has a first lead, and the first lead and the end of the conductive rod facing the spring contact are both abutted against and electrically connected to the first surface of the spring contact. The circuit breaker provided by this utility model adopts a lap-connection power extraction method to electrically connect the test resistor and the first moving contact, so as to realize the leakage current test circuit extracting power from the first end of the test resistor, effectively reducing the use of wires, that is, reducing the number of wire connection points and soldering points, reducing the risk of short circuit and leakage current test circuit failure, facilitating assembly, and effectively reducing manufacturing costs.

The embodiment of the invention discloses a semiconductor device, a manufacturing method, a power module, a power conversion circuit and a vehicle. The semiconductor device comprises an interlayer dielectric layer electric leakage test structure located in a test area, wherein the interlayer dielectric layer electric leakage test structure comprises a semiconductor body with a first surface and a second surface which are oppositely arranged; a first insulating layer; a plurality of second insulating layers arranged at intervals; a plurality of first electrode layers; the interlayer dielectric layer is provided with a first through hole and a second through hole; the test electrode layer comprises a first test electrode and a second test electrode; the first test electrode is connected with the first electrode layer through the first through hole; the second test electrode is connected with the first insulating layer through the second through hole; and the third through hole is used for isolating the first test electrode from the second test electrode. The interlayer dielectric layer electric leakage test structure is arranged, voltage control is provided through the test electrode layer, the electric leakage condition is tested, the same effect as that of a monitoring chip area is achieved, and the reliability of the semiconductor device is improved.

The invention provides an automobile controller testing mechanism which enables all function tests to be accurately and reliably carried out after a controller is arranged on the testing mechanism, saves testing time and improves testing accuracy. The device comprises a test installation plate which comprises a bottom limiting frame and two side positioning clamps, the bottom limiting frame is used for reliably positioning the bottom edge of the automobile controller, and the two side positioning clamps are used for installing and positioning the automobile controller in a profiling positioning area of the test installation plate; a liquid inlet port; a liquid outlet port; a high-voltage test interface; a low-voltage test interface; and an electric leakage test interface. A liquid inlet port is formed in the position, corresponding to a liquid inlet of the automobile controller, of the upper part of the test mounting plate, and a liquid outlet port is formed in the position, corresponding to a liquid outlet, of the automobile controller; the upper part of the test mounting plate is provided with a low-voltage test interface corresponding to the low-voltage connecting end of the automobile controller, and is provided with a high-voltage test interface corresponding to the high-voltage connecting end; the center of the front surface of the test mounting plate is provided with an electric leakage test interface.

The invention provides an electric leakage safety detection system for electronic and electric appliances, and relates to the technical field of electric leakage detection, the electric leakage safety detection system comprises a mounting seat, a detector is fixed on the surface of the mounting seat, two connecting plugs are arranged on the bottom surface of the detector, a connecting wire is fixed at the outer end of each connecting plug, and a contact head is fixed at the other end of each connecting wire. The bottom of the mounting seat is provided with a detection assembly, the detection assembly comprises an annular sliding rail, the top of the annular sliding rail is fixedly connected with the mounting seat, two sliding blocks are slidably mounted in the annular sliding rail, the contact head is mounted on the surfaces of the sliding blocks, and the contact head is close to the three-wire plug through a pushing assembly. After the plug is clamped, the plug is pulled out of the socket to be close to the detector, two contact heads in the detection assembly make contact with metal sheets of the three-wire plug, electric leakage testing is carried out on the three-wire plug, direct manual contact with the plug can be avoided in the process, and meanwhile electric leakage detection is more convenient by pulling out the plug to be close to the detector.

The utility model relates to the technical field of electrical products, in particular to a sealed leakage protection plug. The utility model provides a sealed electric leakage protection plug, which comprises an upper cover, a bottom cover, bolts, a circuit board, a power line, a starting button, a sliding rod and a starting assembly, the upper cover is connected with the bottom cover through a plurality of bolts, the circuit board is arranged in the upper cover, and the power line electrically connected with the circuit board is arranged between the upper cover and the right side of the bottom cover. A starting button is arranged on the upper cover in a sliding mode, a sliding rod is fixedly connected to the bottom of the starting button, two inserting pieces penetrate through the bottom cover, and a starting assembly used for connecting an inserting piece circuit is arranged between the circuit board and the bottom cover. The sealing cover plate presses the silica gel sheet so that the upper cover is sealed with the electric leakage test button and the start button, and the purpose of sealing and water proofing of the plug is achieved.

An electrical leakage test structure and an electrical leakage testing method are disclosed. The electrical leakage test structure comprises: a substrate; a first well region and a second well region, which are both formed in the substrate; a first shallow trench isolation structure formed between the second and first well regions; a first source / drain region formed in the first well region; a plurality of second source / drain regions formed in the second well region; and a test gate formed on the substrate. In the electrical leakage testing method, a plurality of electrical leakage test structures with different designed dimensions are tested to perform leakage current evaluation on each electrical leakage test structure, and a designed dimension vs. leakage current relationship is developed based on the leakage current evaluation on each electrical leakage test structure, which reflects whether the internal design of a corresponding semiconductor device is associated with any problem such as parasitic leakage.

The invention provides a light emitting diode and a light emitting device. The light-emitting diode comprises a substrate, wherein the substrate is provided with a first surface and a second surface which are oppositely arranged; a semiconductor laminated layer, a first electrode and a second electrode are arranged above the first surface of the substrate; a third electrode is arranged below the second surface of the substrate; the polarity of the first electrode is opposite to that of the second electrode, and the polarity of the first electrode is opposite to that of the third electrode; the first electrode and the second electrode are conducted with the test circuit; the first electrode and the third electrode are conducted with the working circuit. The first electrode and the second electrode are arranged on the same surface of the light-emitting diode, so that after the light-emitting diode is cut and before the light-emitting diode is packaged, a mature and popular standard spot measurement device in the industry can be used for directly carrying out rapid and lossless electric leakage test on the light-emitting diode, defective products are effectively screened out, and the yield and the reliability of the products are improved.

The application discloses a mine switch leakage testing device and a use method thereof, and belongs to the field of mine switch leakage testing devices. The device comprises a quick plug connecting post, a power switch SA, a knob S1, a knob S2, a millisecond timer JSQ, a testing button QA-1, a testing button QA-2, a power indicator lamp HL, a transformer BK and resistors R1-R5. The device can test the reduction of the insulation of the load side of a switch, test whether the switch protection is in action when a human body contacts a live body, test the leakage locking resistance value of the switch, and comprehensively test the performance of the protector, the protection components and the protection circuit.

The invention relates to the technical field of solar cells, and provides an electric leakage test method and device for a solar cell and a storage medium, and the method comprises the steps: obtaining a plurality of gray images of the solar cell; the illumination intensities corresponding to the grayscale images are different; for each grayscale image, determining a related parameter of a first pixel point and a related parameter of a second pixel point of the grayscale image; the first pixel points are pixel points in a target color gradation range; the second pixel points are pixel points outside the target color gradation range; the related parameters comprise an average gray value and the number of pixel points; according to the related parameters of the first pixel points and the related parameters of the second pixel points of each gray level image, determining the parallel resistance of the solar cell; and under the condition that the parallel resistor is out of the preset range, determining that the solar cell leaks electricity. Therefore, the problem of voltage bias of the metal probe and the electrode in the electric leakage test of 0BB and pseudo 0BB type solar cells can be solved, and the reliability of the electric leakage test of the solar cells is further improved.

The invention provides an electric leakage test structure and method, and belongs to the technical field of semiconductors, and a first to-be-tested structure and a second to-be-tested structure each comprise a first electrode and a second electrode; each of the first interconnection structure and the second interconnection structure comprises a first interconnection piece and a second interconnection piece; a distance is formed between the first interconnection piece of the first interconnection structure and the first electrode of the first to-be-tested structure, and the second interconnection piece of the first interconnection structure is electrically connected with the second electrode of the first to-be-tested structure; the first interconnection piece and the second interconnection piece of the second interconnection structure are electrically connected with the first electrode and the second electrode of the second to-be-tested structure respectively; the first interconnector and the second interconnector are respectively used for receiving a first voltage and a second voltage, and the absolute value of the first voltage is greater than that of the second voltage. The leakage current obtained by the test can eliminate parasitic leakage current, the test result is close to the real leakage current of the to-be-tested structure, the test accuracy is remarkably improved, and the space of a cutting channel can be saved.

The utility model discloses an electric leakage test lamp holder seat for a bulb, which is uniformly fixed on a transmission chain and comprises a chain fixing plate seat, a test lamp holder fixed on the chain fixing plate seat and a short-circuit switch fixed on the chain fixing plate seat, and the short-circuit switch is electrically connected with the test lamp holder; a concave cavity with an opening in the top face is formed in the chain fixing plate base, and a U-shaped groove hole communicated with the concave cavity is formed in the top face of the chain fixing plate base. The test lamp holder and the chain fixing plate seat are sequentially overlapped and are fixed through a screw rod; and the bottom surface of the chain fixing plate seat is fixed on the conveying chain. According to the utility model, the structure arrangement is reasonable, the continuous test operation can be realized in the conveying process of the conveying chain, the test efficiency is improved, the test lamp holder and the short-circuit switch are arranged on the top surface of the chain fixing plate seat, and whether the chain is short-circuited is detected through the short-circuit switch, so that the short-circuit detection efficiency and precision are improved, and the production cost is reduced. The overall structure is simple, and the detection cost can be reduced.

The present application relates to a kind of for the judgment method of the micro-discharge risk of traveling wave tube collector, belong to the technical field of high-power electric vacuum device research;Obtain the voltage difference of two adjacent electrodes of traveling wave tube collector;The leakage test of different high voltage is carried out to any two adjacent electrodes of traveling wave tube collector, obtain the data of voltage difference and current, convert the data of voltage difference and current into new data expression form;According to new data expression form, draw data curve;The data in data curve is segmented linear fitting, obtains positive slope straight line and negative slope straight line;And find the corresponding abscissa value of each inflection point, obtain the voltage value V of inflection point corresponding;Judge the risk size of micro-discharge between the two adjacent electrodes;And complete the risk size of micro-discharge of entire traveling wave tube collector;The result of the present application can be used to evaluate the possibility of micro-discharge of traveling wave tube, carry out early screening to the micro-discharge of traveling wave tube, improve the screening efficiency of traveling wave tube product.

This application relates to the general field of electrical variable measurement technology, specifically to a leakage current testing method for a mine-use combined low-voltage power supply system. The method includes: slicing a data sequence collected within a preset time period to obtain multiple sub-sequences corresponding to slice windows; performing feature extraction on the sub-sequences corresponding to each target circuit in operation to obtain the system characteristics of the mine-use combined low-voltage power supply system within the slice window; determining a target scene based on the matching results of the system characteristics of the slice window with multiple preset scene features; performing theoretical capacitance current separation on the zero-sequence current contained in the sub-sequences of the circuit based on the target scene to obtain the residual current at each sampling point in the sub-sequences of the circuit; and determining the leakage current test result of the mine-use combined low-voltage power supply system within the slice window corresponding to the sub-sequence based on the changing trend of the residual current in the sub-sequences of the circuit.

The invention discloses an integrated circuit test method, and belongs to the technical field of semiconductors, and the method comprises the steps: 1, feeding: preparing a to-be-detected product; 2, performing a conventional electrical test on the product: placing the product in a temperature testing machine to complete the conventional electrical test; 3, AOI detection: detecting whether the product identification or appearance is damaged, and screening test waste products; and step 4, FT2 testing: performing open and short circuit testing and electric leakage testing on the product through a testing machine. According to the invention, by developing a test machine platform program and adding open and short circuit test and electric leakage test, abnormal units with packaging cracks are screened out before the product enters the carrier tape, and test escape is avoided.

A leakage test module, comprising a leakage test circuit and a circuit board powered by a main circuit, the leakage test circuit comprising a test button, a first elastic member and a second elastic member, the first elastic member and the second elastic member cooperating to form a breaking point of the leakage test circuit, the first elastic member being in contact with the second elastic member when the test button is pressed and the first elastic member is elastically deformed, the leakage test circuit further comprising a terminal block, the second elastic member being connected with the terminal block and the circuit board, and the terminal block being connected with the main circuit as a common power supply terminal of the leakage test circuit and the circuit board. A circuit breaker, comprising a housing and at least one circuit breaker pole arranged in the housing, and further comprising the leakage test module as described above. The terminal block is used as a power supply terminal of the circuit board and the leakage test circuit, and the second elastic member not only forms the breaking point but also connects the circuit board and the terminal block together, thereby reducing the amount of wires used, and having the advantages of simple structure, high reliability and small space occupation.

A circuit breaker comprises a shell and an electric leakage protection module, the electric leakage protection module comprises an electric leakage testing mechanism and a circuit board, the electric leakage testing mechanism comprises a testing button and an electric leakage testing loop, the testing button is in sliding fit with the shell, and the electric leakage testing loop is connected into a phase L-pole main circuit and an N-pole main circuit in the shell. The electric leakage test loop comprises a conductive elastic piece and a static contact piece which form a breakpoint, two electricity taking grooves are formed in the edge of the circuit board, the first electricity taking end of the conductive elastic piece and the second electricity taking end of the static contact piece are clamped in the two electricity taking grooves respectively and electrically connected with the circuit board, and the test button is connected with the conductive elastic piece. And the test button drives the movable contact part of the conductive elastic sheet to be close to or far away from the static contact part of the static contact sheet. According to the utility model, the conductive elastic sheet and the static contact sheet which form the breakpoints are respectively clamped in the clamping grooves at the edge of the circuit board, and the conductive elastic sheet and the static contact sheet are directly connected with the circuit board to take electricity, so that wires connected between the conductive elastic sheet and the circuit board and between the static contact sheet and the circuit board are omitted, and the number of the wires is reduced.

The utility model belongs to the technical field of solar photovoltaic module testing, and particularly relates to a wet electric leakage testing water tank which comprises a rack, a water tank body is supported on the rack, a side frame used for installing an air cylinder fixing plate is arranged at the corner of the rack, a lifting assembly is installed on the air cylinder fixing plate, and the lifting assembly is connected with a water tank body. An air cylinder in the lifting assembly is in driving connection with a bracket, and the bracket is located on the inner side of the water tank. The steel structure rack formed by welding is adopted, so that the stability and the bearing capacity of the whole structure are ensured; the bracket is driven by the air cylinder to ascend and descend, the function that the solar cell chip is automatically submerged into water to be tested is achieved, the detection efficiency is improved, and the risk that unnecessary physical damage is caused to the chip is reduced.

The invention discloses a circuit breaker, and belongs to the technical field of low-voltage apparatuses, the circuit breaker comprises a contact structure and an electric leakage test loop, and the contact structure comprises a first moving contact and a conductive rod electrically connected with the first moving contact; the electric leakage test loop comprises a test resistor and an elastic piece, the test resistor is provided with a first pin, and the first pin and one end, facing the elastic piece, of the conductive rod abut against and are electrically connected with the first face of the elastic piece. According to the circuit breaker provided by the invention, the test resistor and the first moving contact are electrically connected in a lap-joint electricity taking mode, so that electricity taking of the electric leakage test loop at the first end of the test resistor is realized, use of wires is effectively reduced, namely, wire connection points and welding points are reduced, risks of short circuit and failure of the electric leakage test loop are reduced, and the circuit breaker is convenient to assemble and high in reliability. And the manufacturing cost is effectively reduced.

The invention relates to a method for judging the tiny discharge risk of a traveling wave tube collector, and belongs to the technical field of high-power electric vacuum device research. Obtaining a voltage difference between two adjacent electrodes of the traveling wave tube collector; the method comprises the following steps: carrying out electric leakage test on any two adjacent electrodes of a traveling wave tube collector under different high voltages to obtain voltage difference and current data, and converting the voltage difference and current data into a new data expression form; drawing a data curve according to the new data expression form; performing segmented straight line fitting on data in the data curve to obtain a positive slope straight line and a negative slope straight line; finding out abscissa values corresponding to the inflection points, and obtaining voltage values V corresponding to the inflection points; judging the risk of micro discharge between the two adjacent electrodes; and judging the risk of micro discharge of the whole traveling wave tube collector. The result of the invention can be used for evaluating the possibility of micro discharge of the traveling wave tube, screening the micro discharge of the traveling wave tube in advance, and improving the screening efficiency of traveling wave tube products.

The utility model discloses a rapid detection device for a heater of an injection molding machine, and the device is characterized in that when a leakage current test is carried out on a heating ring, a leakage current detection box is moved to a range in which detection is convenient, and then two groups of conductive contact assemblies are taken down from a clamping part in a box cover, and are respectively clamped at the two ends of the outer side wall of the heating ring; then the connecting wire wound into a circle is taken down from the hanging column, the connecting wire is connected to the leakage current tester and the two sets of conductive contact assemblies, then the rechargeable battery and the inverter are started to provide a 220V power supply for the leakage current tester, then the leakage current tester is started to carry out leakage current testing on the heating ring, and after detection is completed, the charging battery and the inverter are started to charge the heating ring. The two conductive contact assemblies are detached and installed on the other heating ring, leakage current testing is carried out until leakage current detection of all the heating rings is completed, the device can move along with the heating rings in the detection process so as to facilitate detection, and therefore the device can carry out rapid leakage current detection on the heating rings on the screw charging barrel of the injection molding machine.

A gas engine ignition coil high-voltage sheath voltage-withstanding electric leakage testing device comprises an equipment platform and a rotary material disc installed on the equipment platform, and a gluing unit configured to glue on the installation surface of an ignition coil, a pressure-withstanding electric leakage testing unit and a pressure-withstanding electric leakage testing unit are sequentially arranged around the rotary material disc; the sleeving unit is configured to sleeve the ignition coil with the high-voltage sheath; the test unit is configured to test whether the high-voltage sheath leaks electricity or not; and the material distributing unit is configured to automatically distinguish the qualified products from the unqualified products according to the test result of the test unit. According to the gas engine ignition coil high-voltage sheath voltage-withstanding electric leakage testing device, high voltage is applied to check dielectric defects in high-voltage sheath insulation, the coil is protected from being damaged, the spring is connected to a high-voltage direct-current power source to be grounded, and therefore electric stress cannot be generated on a coil winding when a fault occurs. The test equipment can realize automatic high-voltage sheath assembly and high-voltage sheath voltage withstanding test, and can automatically eliminate defective products.

The present invention relates to a leakage test method for an intelligent power module, comprising: S1, providing an intelligent power module, which comprises a control chip, an inverter unit and a pin assembly, wherein the inverter unit comprises an upper bridge arm circuit connected to a U / V / W phase output terminal and the control chip, and a lower bridge arm circuit connected to a NU / NV / NW phase output terminal and the control chip; S2, short-circuiting the U phase output terminal with a bootstrap voltage VBU, the V phase output terminal with a bootstrap voltage VBV, and the W phase output terminal with a bootstrap voltage VBW; S4, starting a 15V low-voltage power supply and a 5V low-voltage power supply; S5, starting a high-voltage power supply DC to apply a 600V voltage from the U / V / W phase output terminal to the NU / NV / NW phase output terminal; S6, completing the leakage test after reading the leakage values ​​of the U phase output terminal, the V phase output terminal, the W phase output terminal, the NU phase output terminal, the NV phase output terminal and the NW phase output terminal through a monitoring device; and S7, disconnecting a relay and a power supply in sequence. The method provided by the present invention not only improves the product test yield, but also ensures the reliability and test safety of the product.

The invention provides a display mother board, an electric leakage test method and a display panel, and relates to the technical field of display, the display mother board comprises a first area and a second area, the first area comprises a plurality of areas for setting the display panel, the second area comprises a test transistor and a test capacitor, and a plurality of switch transistors in the display panel and the test transistor are manufactured by adopting the same process; a first pole plate of the test capacitor receives fixed potential, a second pole plate is connected with a first node, an output end of the test transistor and a test signal line are connected with the first node, and the test signal line is configured to transmit an electric signal of the first node in a detection stage; in the detection stage, the test transistor is cut off. By arranging the test capacitor, the charge stored in the test capacitor can increase the leakage current effect of the test transistor in the detection stage, and the leakage current of the test transistor can be accurately represented.

The utility model discloses a fault testing device used for a power cable, comprising a host, one side of the host is provided with a control panel, one end of the host is provided with an electric leakage tester main body, and the electric leakage tester main body is provided with a second bluetooth antenna. According to the utility model, the electric leakage detection head and the like are installed; every time the electric leakage detection head detects an electric leakage point on the power cable, the electric leakage detection head sends a detected signal to the host, a control module in the host controls the two electric telescopic rods symmetrically distributed on the two sides of the electric leakage detection head to be started, and mini marking pens at the output ends of the electric leakage detection head are driven to stretch out to draw a mark on the power cable. And the output end of the electric telescopic rod retracts, so that continuous detection and marking of a plurality of electric leakage points on the whole power cable are realized, subsequent unified processing of faults on the power cable is facilitated, and the use efficiency is improved.

The invention provides a circuit, an instrument and a method for testing a leakage protection function of an alternating current charging pile of an electric vehicle. The circuit comprises an alternating current charging socket, a single chip microcomputer U, a charging analog circuit, a leakage analog circuit, a measurement module M1, a measurement module M2 and a measurement module M3. The charging simulation circuit is used for simulating alternating current output of a charging pile, and the electric leakage simulation circuit is used for simulating an AC type electric leakage state and an A type electric leakage state. By arranging the electric vehicle charging simulation circuit, the electric leakage simulation circuit, the measuring circuit, the switching device and the driving execution mechanism, an AC type electric leakage state and an A type electric leakage state can be simulated, current values and time values of AC type electric leakage protection and A type electric leakage protection are tested, and whether charging pile electric leakage protection is effective or not is judged; the electric leakage protection performance of the charging pile can be simulated and detected in the actual charging process, alternating current charging testing and electric leakage testing are integrated, the structural design is reasonable, use is convenient and fast, and high practicability is achieved.

A processing system is adapted to execute a method for testing power leakage of a circuit. The method includes: obtaining a plurality of undefined nets according to a netlist and power mode information; obtaining a trace path according to the undefined nets and the power mode information; and determining whether there is a risk of power leakage in the trace path, and outputting a testing result.

An electric leakage protection circuit breaker, an electric leakage tripper module and a circuit breaker module are disclosed, the electric leakage tripper module comprises an electric leakage protection housing and a mounting seat arranged in the electric leakage protection housing, two groups of contact mechanisms are respectively arranged on two sides of the mounting seat, and each of the two groups of contact mechanisms comprises a movable contact member, a static contact member and a driving member. The driving pieces are used for controlling the contact and separation of the corresponding movable contact pieces and static contact pieces, the two groups of contact mechanisms are respectively a first contact mechanism and a second contact mechanism, and the first contact mechanism is linked with the circuit breaker module and is connected in series to a power supply loop for supplying power to an electronic component board of the electric leakage release module and / or an electric leakage release. When the main circuit of the circuit breaker module is opened, the power supply circuit is disconnected; the second contact mechanism is connected in series to a test loop used for generating an electric leakage test signal and is used for generating the electric leakage test signal, and electric leakage test and reverse wiring protection functions can be respectively realized through the two groups of contact mechanisms.

The present application discloses a leakage circuit breaker, comprising a partition and a test circuit mounted on the partition, a first terminal, a second terminal, and a test button; the first terminal and the second terminal are respectively one and the other of the live wire input terminal and the neutral wire output terminal, or respectively one and the other of the neutral wire input terminal and the live wire output terminal; the test circuit comprises a first circuit and a second circuit, the first circuit is electrically connected to the first terminal, and the second circuit is electrically connected to the second terminal, and under normal conditions, the first circuit and the second circuit are disconnected, and under a leakage test state, the test button pressed activates at least a portion of the second circuit, so that the first circuit and the second circuit are connected. In the leakage circuit breaker disclosed in the present application, the test circuit draws power through the input terminal of one of the live wire and the neutral wire and the output terminal of the other, so that the normal operation of the transformer in the leakage test state can be ensured without passing through the transformer, thereby reducing the difficulty of circuit assembly.

The utility model relates to a spring coating electric leakage testing mechanism which comprises a base, a supporting plate is arranged on one side of the base, a mounting plate is arranged on the upper side of the supporting plate, an electrode base is detachably arranged on the base, and a pressing device capable of moving up and down is arranged on the mounting plate right above the electrode base. Two signal terminals are arranged on the upper surface of the base, one signal terminal is electrically connected with the pressing device through a first wire, the other signal terminal is electrically connected with the electrode base through a second wire, and the two signal terminals are connected with an external current detection device; during use, the test spring is arranged on the electrode base, and the pressing device moves downwards to compress the spring, so that a circuit on one side of the test electrode is communicated with a circuit on one side of the pressing device through the spring to form a closed loop.

The present invention discloses a measurement system for a MAG signal generator and a calibration method thereof. A plurality of leakage test beads are uniformly and fixedly arranged on the inner wall of the spiral sleeve. A spiral rod is fixedly arranged on the left side of the inner cavity of the functional cylinder. The present invention relates to the technical field of signal generators. The measurement system for the MAG signal generator and the calibration method thereof, through the mutual cooperation of the accommodation box, the winding drum, the leakage test beads and the lamp ring, can wind up the transmission wire when it is not in use. During the process, by observing whether the lamp ring is lit, it can be timely judged whether the surface of the transmission wire is damaged and leaking electricity, which is convenient for subsequent normal use and eliminates the error caused by the damage and leakage of the transmission wire. Through the cooperation of the spur gear, the gear ring, the spiral rod and the flexible fiber, the dust adhered to the surface of the transmission wire to be wound into the accommodation box can be timely swept away, ensuring the cleanliness of the surface of the transmission wire and avoiding affecting the leakage detection of the surface of the transmission wire.