CN215641611U - A withstand voltage test machine for aluminium electrolytic capacitor production - Google Patents
A withstand voltage test machine for aluminium electrolytic capacitor production Download PDFInfo
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- CN215641611U CN215641611U CN202121358050.9U CN202121358050U CN215641611U CN 215641611 U CN215641611 U CN 215641611U CN 202121358050 U CN202121358050 U CN 202121358050U CN 215641611 U CN215641611 U CN 215641611U
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Abstract
The utility model discloses a voltage withstand test machine for aluminum electrolytic capacitor production, which relates to the field of capacitor production and comprises a machine main body, wherein an alarm lamp is arranged at the top of the machine main body, a baffle plate is connected to the outer surface of the machine main body, explosion-proof glass is arranged on the outer surface of the baffle plate, and an insulating assembly is arranged below the outer surface of the machine main body. According to the utility model, by the aid of the first protection plate, the second springs, the smoke sensor, the vacuum pump and the buffer cushion, power generated by explosion is absorbed by the first protection plate and the second protection plate during capacitor explosion, most of scattered fragments can collide against the first protection plate and the second protection plate, the first protection plate and the second protection plate are respectively driven by the push rod and the push plate to compress after being stressed, and then the first protection plate and the second protection plate are respectively driven by the second springs to reset through the push rod and the push plate so as to cope with next explosion, so that the protection performance of the machine is improved.
Description
Technical Field
The utility model relates to the field of capacitor production, in particular to a withstand voltage tester for aluminum electrolytic capacitor production.
Background
The capacitor is called capacitor for short, and is also a main element forming an electronic circuit, and can store electric energy, and has the characteristics of charging, discharging, alternating current communication and direct current isolation, and is one of indispensable basic elements for a great number of various electronic devices, various capacitors can play different roles in the circuit, such as coupling, direct current isolation, bypass, rectification filtering, high-frequency filtering, tuning, energy storage, frequency division and the like, the capacitor is selected according to the voltage, frequency, signal waveform, alternating current and direct current components and temperature and humidity conditions in the circuit, the aluminum electrolytic capacitor is one of the capacitors, and because the aluminum electrolytic capacitor is used in the circuit, if the voltage resistance is insufficient due to defects in the production process, the whole circuit can be failed, and therefore, when the aluminum electrolytic capacitor is produced, the voltage resistance of the capacitor needs to be detected.
The existing voltage-withstand testing machine for aluminum electrolytic capacitor production is generally simple in structure and poor in protection effect, some capacitors with poor quality are prone to explosion and fire when being tested, fragments of electrical elements fly in the testing machine after explosion and are prone to damaging the inner wall of the machine, meanwhile, the capacitors are prone to igniting and losing flammable objects such as insulating sleeves outside power lines in the machine, and the existing voltage-withstand testing machine for aluminum electrolytic capacitor production is prone to being damaged by static electricity due to the fact that the number of the electrical appliances and the number of the electrical elements inside the machine are large, meanwhile, the electrical elements are detected, and therefore the machine is prone to generating a large amount of static electricity and is inconvenient to remove, and workers are prone to being damaged by static electricity when working.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims to provide a withstand voltage tester for aluminum electrolytic capacitor production, so as to solve the technical problems of poor protection effect and more static electricity.
In order to achieve the purpose, the utility model provides the following technical scheme: a withstand voltage test machine for aluminum electrolytic capacitor production comprises a machine main body, wherein an alarm lamp is installed at the top of the machine main body, a baffle is connected to the outer surface of the machine main body, explosion-proof glass is installed on the outer surface of the baffle, an insulating assembly is arranged below the outer surface of the machine main body, a motor, a smoke sensor and a threaded sleeve are installed above the inner portion of the machine main body respectively, a lead screw penetrates through the bottom of the threaded sleeve, the output end of the motor is connected with a transmission piece, a transmission belt is connected between the transmission piece and the threaded sleeve, a workbench and two guide rods are connected below the inner portion of the machine main body respectively, clamps are connected to two sides of the top of the workbench, a linkage block is connected between the two guide rods, the top of the linkage block is connected with one end of the lead screw, and a probe is installed at the bottom of the linkage block, and protective components are arranged on two sides of the bottom of the linkage block.
Through adopting above-mentioned technical scheme, insulating assembly steps on the insulation board with the foot through the staff, thereby prevents that the staff both feet from contacting ground and reducing the static injury, and ground plug reduces the static in the machine main part with most electrostatic discharge simultaneously, and the power that protective assembly produced through first guard plate and second guard plate absorption capacitance explosion.
Further, the insulation assembly comprises a slide rail connected to the lower portion of the outer surface of the machine body and a grounding plug installed on the lower portion of one side of the machine body, a slide block is connected to the inside of the slide rail, a shell is connected to the outer surface of the slide block, a pressure sensor is installed inside the shell, an insulation board is connected to the top of the shell, supporting blocks are connected to two sides of the bottom of the insulation board, first springs are connected to two sides of the bottom of the supporting blocks, an electric push rod is installed on the lower portion inside the shell, and an output end of the electric push rod is connected with a roller.
Through adopting above-mentioned technical scheme, the staff steps on the insulation board with the foot, thereby prevent that staff's both feet from contacting ground and reducing the static injury, ground plug reduces the static in the machine main part with most electrostatic discharge simultaneously, the staff is through the supporting shoe with first spring compression when stepping on the insulation board, the bottom contact pressure sensor of insulation board simultaneously, the supporting shoe supports the insulation board when with first spring compression and prevents that weight from too big causing pressure sensor damage, first spring passes through the supporting shoe drive insulation board and resets when staff's foot moves, pressure sensor loses pressure simultaneously and sends out the signal of telecommunication to control panel, control panel receives the signal of telecommunication after the automatic warning light of opening, remind the staff to notice static.
Further, the protection component is including setting up in the inside first filter screen of one side of machine main part, second filter screen and vacuum pump, connecting in the push pedal of machine main part inner wall and setting up in push rod and the cushion of linkage piece bottom both sides, one side of push pedal and the outside of push rod all are connected with the second spring, the opposite side of push pedal is connected with the second guard plate, the one end of push rod is connected with first guard plate.
By adopting the technical scheme, the power generated by explosion is absorbed by the first protection plate and the second protection plate when the capacitor explodes, most fragments flying at the same time can collide against the first protection plate and the second protection plate, the first protection plate and the second protection plate displace after being stressed, the first protection plate and the second protection plate drive the plurality of second springs to compress through the push rod and the push plate respectively, then the plurality of second springs drive the first protection plate and the second protection plate to reset through the push rod and the push plate respectively so as to deal with next explosion, meanwhile, the buffer cushion prevents the first protection plate from impacting the linkage block after being stressed and moving, the damage to the machine main body when the capacitor explodes is reduced, the smoke is detected through the smoke sensor when the capacitor catches fire, then the smoke sensor automatically sends an electric signal to the control panel, and the vacuum pump, the alarm lamp and the alarm are automatically started after the control panel receives the electric signal, vacuumizing in the machine main part after the vacuum pump starts, thereby reducing the oxygen in the machine main part and making flame extinguish, blocking the piece that produces after the electric capacity explosion through first filter screen and second filter screen during the evacuation, preventing that the piece from getting into the vacuum pump, warning light and siren start the back and remind the staff electric capacity to catch fire.
Furthermore, the back of the sliding block is connected with the sliding rail in a sliding mode, the outer surface of the sliding block is connected with the shell in a sliding mode, the insulating plate is connected with the shell in a sliding mode, and the roller is connected with the shell in a sliding mode.
Through adopting above-mentioned technical scheme, electric putter closes back output drive gyro wheel and moves down, and the slider slides downwards in the shell simultaneously, and later staff's accessible gyro wheel adjusts the shell position, and the shell leads through slide rail and slider when adjusting the position.
Furthermore, the second spring is provided with a plurality ofly, just the second guard plate is provided with threely, the aperture of second filter screen is less than the aperture of first filter screen.
Through adopting above-mentioned technical scheme, most fragments that fly apart can hit on first guard plate and second guard plate, displacement behind first guard plate and the second guard plate atress, first guard plate and second guard plate drive a plurality of second spring compression through push rod and push pedal respectively simultaneously, later a plurality of second springs pass through push rod and push pedal and drive first guard plate and second guard plate respectively and reset in order to deal with next explosion, block the piece that produces behind the electric capacity explosion through first filter screen and second filter screen during the evacuation, prevent that the piece from getting into in the vacuum pump.
Furthermore, the push plate is connected with the machine body in a sliding mode, and the push rod is connected with the linkage block in a sliding mode.
Through adopting above-mentioned technical scheme, most fragments that fly apart can hit on first guard plate and second guard plate, and first guard plate and second guard plate atress back displacement, first guard plate and second guard plate drive a plurality of second spring compressions through push rod and push pedal respectively simultaneously, and later a plurality of second springs pass through push rod and push pedal and drive first guard plate and second guard plate respectively and reset in order to deal with next explosion.
Further, alarm and control panel are installed respectively to one side of machine main part, just vacuum pump, smoke transducer, warning light, alarm, pressure sensor, electric putter, probe and motor all with control panel electric connection.
Through adopting above-mentioned technical scheme, the staff opens or closes the vacuum pump through control panel, smoke transducer, the warning light, the siren, pressure sensor, electric putter, probe and motor, the motor starts the back output drive transmission spare and rotates, it is rotatory to drive the thread bush through the drive belt after the transmission spare is rotatory, the rotatory back lead screw of thread bush moves down, drive the probe through the linkage piece simultaneously and move down and carry out pressure detection to electric capacity, with data transmission to control panel after the probe starts.
In summary, the utility model mainly has the following beneficial effects:
1. according to the utility model, by the aid of the first protection plate, the second springs, the smoke sensor, the vacuum pump and the buffer cushion, power generated by explosion is absorbed by the first protection plate and the second protection plate when a capacitor is exploded, most of fragments scattered at the same time can collide against the first protection plate and the second protection plate, the first protection plate and the second protection plate are respectively driven by the push rod and the push plate to compress by the second springs after being stressed, then the first protection plate and the second protection plate are respectively driven by the second springs through the push rod and the push plate to reset to cope with next explosion, the buffer cushion prevents the first protection plate from being stressed to impact the linkage block, damage to a machine main body when the capacitor is exploded is reduced, smoke is detected by the smoke sensor when the capacitor is ignited, then the smoke sensor automatically sends an electric signal to the control panel to start the vacuum pump, the alarm lamp and the alarm, the vacuum pump vacuumizes the interior of the machine main body after the vacuum pump is started, oxygen in the machine body is reduced, so that flame is easily extinguished, and the alarm lamp and the alarm are started to remind workers that the capacitor is on fire, so that the protection performance of the machine is improved;
2. the utility model firstly steps feet on the insulating plate through a worker through the grounding plug, the insulating plate, the pressure sensor, the supporting block, the first spring, the roller and the electric push rod to prevent the electric shock accident caused by the contact of the two feet of the worker with the ground, meanwhile, the grounding plug releases most of static electricity to reduce the static electricity in the machine body, a worker compresses the first spring through the supporting block when stepping on the insulating plate, meanwhile, the insulating plate contacts with the pressure sensor, the supporting block compresses the first spring and supports the insulating plate at the same time to prevent the pressure sensor from being damaged due to overlarge weight, the first spring drives the insulating plate to reset through the supporting block when the feet of the staff are moved, meanwhile, the pressure sensor loses pressure and sends an electric signal to the control panel to turn on the alarm lamp, so that the worker is reminded of paying attention to static electricity, the static electricity is reduced, and the static electricity is prevented from damaging the worker.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic side sectional view of the housing of the present invention;
fig. 4 is an enlarged view of the structure at a in fig. 2 according to the present invention.
In the figure: 1. a machine main body; 2. a baffle plate; 3. explosion-proof glass; 4. a screw rod; 5. an alarm light; 6. an alarm; 7. a control panel; 8. an insulating assembly; 801. a slide rail; 802. a housing; 803. an insulating plate; 804. a slider; 805. a pressure sensor; 806. a support block; 807. a first spring; 808. a roller; 809. an electric push rod; 810. a ground plug; 9. a guard assembly; 901. a first guard plate; 902. a second spring; 903. a second guard plate; 904. pushing the plate; 905. a smoke sensor; 906. a first filter screen; 907. a second filter screen; 908. a vacuum pump; 909. a push rod; 910. a cushion pad; 10. a work table; 11. a guide bar; 12. a linkage block; 13. a clamp; 14. a probe; 15. a motor; 16. a transmission member; 17. a transmission belt; 18. and (4) a threaded sleeve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
A voltage withstand test machine for aluminum electrolytic capacitor production is disclosed, as shown in figures 1-4, comprising a machine body 1, a warning light 5 is installed at the top of the machine body 1, a baffle 2 is connected to the outer surface of the machine body 1, explosion-proof glass 3 is installed on the outer surface of the baffle 2, an insulating component 8 is arranged below the outer surface of the machine body 1 to reduce static electricity, a motor 15, a smoke sensor 905 and a threaded sleeve 18 are respectively installed above the inside of the machine body 1, a lead screw 4 penetrates through the bottom of the threaded sleeve 18, a transmission piece 16 is connected to the output end of the motor 15, a transmission belt 17 is connected between the transmission piece 16 and the threaded sleeve 18, a workbench 10 and two guide rods 11 are respectively connected below the inside of the machine body 1, clamps 13 are respectively connected to both sides of the top of the workbench 10, a linkage block 12 is connected between the two guide rods 11, and the top of the linkage block 12 is connected with one end of the lead screw 4, probe 14 is installed to the bottom of linkage piece 12, the bottom both sides of linkage piece 12 are provided with protection component 9, prevent that the electric capacity explosion from damaging machine main part 1, siren 6 and control panel 7 are installed respectively to one side of machine main part 1, and vacuum pump 908, smoke transducer 905, warning light 5, siren 6, pressure sensor 805, electric putter 809, probe 14 and motor 15 all with control panel 7 electric connection, the staff opens or closes vacuum pump 908 through control panel 7, smoke transducer 905, warning light 5, siren 6, pressure sensor 805, electric putter 809, probe 14 and motor 15.
Referring to fig. 1 to 3, the insulation assembly 8 includes a sliding rail 801 connected to the lower portion of the outer surface of the machine body 1 and a ground plug 810 installed at the lower portion of one side of the machine body 1, a sliding block 804 is connected to the inside of the sliding rail 801, an outer shell 802 is connected to the outer surface of the sliding block 804, a pressure sensor 805 is installed inside the outer shell 802, an insulation plate 803 is connected to the top of the outer shell 802, support blocks 806 are connected to both sides of the bottom of the insulation plate 803, first springs 807 are connected to both sides of the bottom of the support blocks 806, an electric push rod 809 is installed inside the outer shell 802, a roller 808 is connected to the output end of the electric push rod 809, the back of the sliding block 804 is slidably connected to the sliding rail 801, the outer surface of the sliding block 804 is slidably connected to the outer shell 802, the insulation plate 803 is slidably connected to the outer shell 802, and a worker steps on the insulation plate 803 with his feet to prevent the worker from contacting the ground surface to reduce static damage, while the grounding plug 810 discharges most of the static electricity to reduce the static electricity in the machine body 1.
Referring to fig. 2 and 4, the protection assembly 9 includes a first filter 906, a second filter 907 and a vacuum pump 908 disposed at one side of the interior of the machine body 1, a push plate 904 connected to the inner wall of the machine body 1, and push rods 909 and cushion pads 910 disposed at both sides of the bottom of the linkage block 12, wherein one side of the push plate 904 and the exterior of the push rods 909 are both connected with second springs 902, the other side of the push plate 904 is connected with a second protection plate 903, one end of the push rods 909 is connected with a first protection plate 901, the second springs 902 are provided in plurality, and three second protection plates 903 are arranged, the aperture of the second filter 907 is smaller than that of the first filter 906, the push plate 904 is connected with the machine body 1 in a sliding manner, the push rod 909 is connected with the linkage block 12 in a sliding manner, the power generated by the explosion is absorbed by the first protection plate 901 and the second protection plate 903 when the capacitor explodes, while most of the scattered chips collide against the first and second guard plates 901 and 903.
The implementation principle of the embodiment is as follows: firstly, a worker steps on an insulating plate 803 to prevent two feet of the worker from contacting the ground so as to reduce electrostatic damage, meanwhile, a grounding plug 810 releases most of the static electricity to reduce the static electricity in the machine body 1, the worker compresses a first spring 807 through a supporting block 806 when stepping on the insulating plate 803, simultaneously, the bottom of the insulating plate 803 contacts a pressure sensor 805, the supporting block 806 compresses the first spring 807 and supports the insulating plate 803 to prevent the pressure sensor 805 from being damaged due to overlarge weight, when the worker moves the feet, the first spring 807 drives the insulating plate 803 to reset through the supporting block 806, simultaneously, the pressure sensor 805 loses pressure to send an electric signal to a control panel 7, the control panel 7 automatically turns on an alarm lamp 5 after receiving the electric signal to remind the worker of paying attention to the static electricity, then the worker turns on a baffle 2, after the baffle 2 is turned on, the worker places a capacitor to be detected on a workbench 10, then, a worker fixes the capacitor through the clamp 13, the worker closes the baffle 2 after fixing the capacitor, the worker opens the motor 15 and the probe 14 through the control panel 7, the output end drives the transmission piece 16 to rotate after the motor 15 is started, the transmission piece 16 drives the threaded sleeve 18 to rotate through the transmission belt 17 after rotating, the screw rod 4 moves downwards after the threaded sleeve 18 rotates, the probe 14 is driven to move downwards through the linkage block 12 to carry out pressure detection on the capacitor, the probe 14 transmits data to the control panel 7 after being started, meanwhile, the motor 15 is automatically closed, the worker can watch the working process through the explosion-proof glass 3 during detection, the power generated by explosion is absorbed through the first protection plate 901 and the second protection plate 903 when the capacitor explodes, meanwhile, most of scattered fragments can collide against the first protection plate 901 and the second protection plate 903, and the first protection plate 901 and the second protection plate 903 displace after being stressed, meanwhile, the first protection plate 901 and the second protection plate 902 drive the plurality of second springs 902 to compress through the push rod 909 and the push plate 904 respectively, then the plurality of second springs 902 drive the first protection plate 901 and the second protection plate 903 to reset through the push rod 909 and the push plate 904 respectively so as to cope with the next explosion, meanwhile, the buffer 910 prevents the first protection plate 901 from impacting the linkage block 12 after being forced to move, the damage to the machine body 1 during the capacitor explosion is reduced, smoke is detected through the smoke sensor 905 during the capacitor fire, then the smoke sensor 905 automatically sends out an electric signal to the control panel 7, the control panel 7 automatically starts the vacuum pump 908, the alarm lamp 5 and the alarm 6 after receiving the electric signal, the vacuum pump 908 vacuumizes the interior of the machine body 1 after being started, oxygen in the machine body 1 is reduced, so that the flame is easily extinguished, and debris generated after the capacitor explosion is blocked through the first filter screen 906 and the second filter screen 907 during the vacuumization, prevent during debris gets into vacuum pump 908, warning light 5 and siren 6 remind the staff electric capacity to catch fire after starting, the staff passes through control panel 7 after the detection achievement and opens motor 15 and make probe 14 upwards remove, later the staff opens baffle 2 and takes out the electric capacity and prepare next work, staff accessible control panel 7 closes electric putter 809 when the work is over, output drive gyro wheel 808 moves down after electric putter 809 closes, slider 804 slides down in shell 802 simultaneously, later the staff accessible gyro wheel 808 adjusts shell 802 position, shell 802 leads through slide rail 801 and slider 804 when adjusting the position.
Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.
Claims (7)
1. A withstand voltage test machine for aluminum electrolytic capacitor production, includes machine main part (1), its characterized in that: alarm lamp (5) is installed at the top of machine main body (1), the surface of machine main body (1) is connected with baffle (2), the surface mounting of baffle (2) has explosion-proof glass (3), the surface below of machine main body (1) is provided with insulating subassembly (8), motor (15), smoke sensor (905) and thread bush (18) are installed respectively to the inside top of machine main body (1), lead screw (4) has been run through to the bottom of thread bush (18), the output of motor (15) is connected with driving medium (16), be connected with drive belt (17) between driving medium (16) and thread bush (18), the inside below of machine main body (1) is connected with workstation (10) and two guide bars (11) respectively, the top both sides of workstation (10) all are connected with anchor clamps (13), two be connected with linkage block (12) between guide bar (11), just the top of linkage block (12) is connected with the one end of lead screw (4), probe (14) are installed to the bottom of linkage block (12), the bottom both sides of linkage block (12) are provided with protection component (9).
2. The withstand voltage tester for aluminum electrolytic capacitor production of claim 1, characterized in that: insulating subassembly (8) including connecting in slide rail (801) of machine main part (1) surface below and installing in ground connection plug (810) of machine main part (1) one side below, the internal connection of slide rail (801) has slider (804), the surface connection of slider (804) has shell (802), the internally mounted of shell (802) has pressure sensor (805), the top of shell (802) is connected with insulation board (803), the bottom both sides of insulation board (803) all are connected with supporting shoe (806), the bottom both sides of supporting shoe (806) all are connected with first spring (807), electric putter (809) are installed to the inside below of shell (802), the output of electric putter (809) is connected with gyro wheel (808).
3. The withstand voltage tester for aluminum electrolytic capacitor production of claim 1, characterized in that: the protection assembly (9) is including setting up in first filter screen (906), second filter screen (907) and vacuum pump (908) of the inside one side of machine main part (1), connecting in push pedal (904) of machine main part (1) inner wall and setting up in push rod (909) and cushion (910) of linkage block (12) bottom both sides, one side of push pedal (904) and the outside of push rod (909) all are connected with second spring (902), the opposite side of push pedal (904) is connected with second guard plate (903), the one end of push rod (909) is connected with first guard plate (901).
4. The withstand voltage tester for aluminum electrolytic capacitor production of claim 2, characterized in that: the back of the sliding block (804) is connected with the sliding rail (801) in a sliding mode, the outer surface of the sliding block (804) is connected with the shell (802) in a sliding mode, the insulating plate (803) is connected with the shell (802) in a sliding mode, and the roller (808) is connected with the shell (802) in a sliding mode.
5. The withstand voltage tester for aluminum electrolytic capacitor production of claim 3, characterized in that: the second spring (902) is provided with a plurality of, and second guard plate (903) is provided with three, the aperture of second filter screen (907) is less than the aperture of first filter screen (906).
6. The withstand voltage tester for aluminum electrolytic capacitor production of claim 3, characterized in that: the push plate (904) is connected with the machine body (1) in a sliding mode, and the push rod (909) is connected with the linkage block (12) in a sliding mode.
7. The withstand voltage tester for aluminum electrolytic capacitor production of claim 3, characterized in that: alarm (6) and control panel (7) are installed respectively to one side of machine main part (1), just vacuum pump (908), smoke transducer (905), warning light (5), alarm (6), pressure sensor (805), electric putter (809), probe (14) and motor (15) all with control panel (7) electric connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121358050.9U CN215641611U (en) | 2021-06-18 | 2021-06-18 | A withstand voltage test machine for aluminium electrolytic capacitor production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121358050.9U CN215641611U (en) | 2021-06-18 | 2021-06-18 | A withstand voltage test machine for aluminium electrolytic capacitor production |
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| CN215641611U true CN215641611U (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128416A (en) * | 2022-08-30 | 2022-09-30 | 苏州清研精准汽车科技有限公司 | Voltage resistance testing device and method |
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2021
- 2021-06-18 CN CN202121358050.9U patent/CN215641611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128416A (en) * | 2022-08-30 | 2022-09-30 | 苏州清研精准汽车科技有限公司 | Voltage resistance testing device and method |
| CN115128416B (en) * | 2022-08-30 | 2022-11-18 | 苏州清研精准汽车科技有限公司 | Voltage resistance testing device and method |
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