CN116223993A - Insulation voltage-withstanding testing device for electric component - Google Patents
Insulation voltage-withstanding testing device for electric component Download PDFInfo
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- CN116223993A CN116223993A CN202310162239.8A CN202310162239A CN116223993A CN 116223993 A CN116223993 A CN 116223993A CN 202310162239 A CN202310162239 A CN 202310162239A CN 116223993 A CN116223993 A CN 116223993A
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- insulation
- metal sliding
- conveying belt
- voltage withstand
- sliding rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses an insulation voltage-withstand testing device of an electrical component, which comprises an insulation voltage-withstand tester, a conveying mechanism and a detecting mechanism, wherein a first binding post and a second binding post are arranged on the insulation voltage-withstand tester; the conveying mechanism comprises a conveying belt which is arranged in an annular shape, and two ends of the conveying belt are respectively connected with the power assembly; the upper surface of the conveying belt is provided with a plurality of metal contact pieces at equal intervals along the length direction of the conveying belt, and the bottom ends of the metal contact pieces are connected with first power-on wires and connected with first binding posts of an insulation voltage withstand tester through the first power-on wires. According to the invention, the insulation voltage test operation of the electrical component can be realized without the need of an operator to contact with the insulation voltage tester, so that the potential safety hazard of the operator in the working process is effectively eliminated.
Description
Technical Field
The invention relates to the field of electrical safety, in particular to an insulation voltage withstand test device for an electrical component.
Background
At present, the electric products need to be subjected to insulation voltage withstand tests after production. In the test flow, an insulation pressure-resistant instrument is generally adopted for manual test, and when the test is carried out, a tester needs to directly contact with the connector and the tool, and because the insulation pressure-resistant instrument outputs high pressure, potential safety hazards are easy to exist in the test process or in misoperation, so that the personal safety of the tester is seriously threatened; meanwhile, in the aspect of personnel safety, the insulating pad and the insulating glove are required to be protected, the protective articles are required to be regularly checked, and once the protective pad and the glove are damaged but no active defense measures are provided, potential safety hazards exist; therefore, it is necessary to study an insulation and voltage withstand test apparatus for an electrical component to improve it.
Disclosure of Invention
The invention aims to solve the problems and provide an insulation voltage withstand test device of an electric component, which has a simple structure and is convenient to use.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the insulation voltage withstand testing device of the electrical component comprises an insulation voltage withstand tester, a conveying mechanism and a detecting mechanism, wherein a first binding post and a second binding post are arranged on the insulation voltage withstand tester; the conveying mechanism comprises a conveying belt which is arranged in an annular shape, and two ends of the conveying belt are respectively connected with the power assembly; the upper surface of the conveying belt is provided with a plurality of metal contact pieces at equal intervals along the length direction of the conveying belt, and the bottom ends of the metal contact pieces are connected with first power-on wires and connected with first binding posts of an insulation voltage withstand tester through the first power-on wires.
Further, the power assembly comprises a first power roller and a second power roller, the first power roller and the second power roller are fixedly connected to the ground through a fixing frame, the first power roller and the second power roller are symmetrically arranged at two ends of the length direction of the conveying belt, two ends of the conveying belt are respectively sleeved on the outer sides of the first power roller and the second power roller, a power motor is fixedly connected to the fixing frame, and the power motor is in transmission connection with the first power roller or the second power roller.
Further, the detection mechanism comprises two support frames, wherein the two support frames are arranged side by side along the conveying direction of the conveying belt, a movable assembly is arranged between the two support frames, and the movable assembly is connected with the two support frames through a lifting assembly; the movable assembly is connected with one end of a second communication wire, and the other end of the second communication wire is connected with a second binding post of the insulation voltage withstand tester.
Further, the movable assembly comprises a metal sliding rod and a metal sliding sleeve, the metal sliding rod is positioned above the conveying belt, the length direction of the metal sliding rod is consistent with the conveying direction of the conveying belt, two ends of the metal sliding rod are connected with the lifting assembly, and one end of the metal sliding rod is connected with one end of the second communication wire; the metal sliding sleeve is sleeved on the metal sliding rod and can slide along the length direction of the metal sliding rod, and the bottom end of the metal sliding sleeve is connected with an elastic bending piece; when the lifting mechanism is pressed down, the bottom end of the elastic bending piece is contacted with the top end of the electrical component to be tested, and the elastic bending piece is in a compressed state.
Further, the elastic bending piece is an elastic metal sheet arranged in a lightning shape, and the bottom end of the elastic metal sheet is arranged in a horizontal shape.
Further, the metal sliding rod is in a rectangular column shape, and a rectangular hole corresponding to the outer diameter of the metal sliding rod is formed in the metal sliding sleeve and sleeved on the metal sliding rod through the rectangular hole.
Further, the first limiting plate of fixedly connected with respectively at metal slide bar length direction's both ends, second limiting plate are provided with reset spring between first limiting plate and the second limiting plate, and reset spring cover is established in the metal slide bar outside, and reset spring's one end contacts with first limiting plate, and reset spring's the other end contacts with the one end of metal sliding sleeve, and the other end of metal sliding sleeve contacts with the second limiting plate.
Further, the lifting assembly comprises two lifting cylinders which are symmetrically arranged, the two lifting cylinders are respectively and fixedly connected to the two supporting frames, the cylinder push rods of the two lifting cylinders are downwards arranged, and the bottom end heads of the two cylinder push rods are respectively connected with the two end heads of the length direction of the metal slide rod.
Further, fixedly connected with photoelectric sensor on the support frame, photoelectric sensor is located the direction front end of delivery of conveyer belt and photoelectric sensor orientation conveyer belt up end.
Further, the insulation voltage withstand test device also comprises a controller and an alarm, wherein the controller is respectively connected with the photoelectric sensor, the lifting cylinder, the power motor, the insulation voltage withstand tester and the alarm.
Compared with the prior art, the invention has the advantages and positive effects that:
when the device is used, an operator only needs to place the electric component to be tested at the upper end of the transmission belt and enable the electric component to be tested to be in contact with the metal contact piece at the end face of the transmission belt, then the electric component to be tested moves to the lower part of the detection mechanism along with the transmission belt, the lifting component in the detection mechanism drives the movable component to be pressed down, the elastic bending piece on the movable component is in contact with the upper end of the electric component to be tested, and therefore the upper end and the lower end of the electric component to be tested are respectively connected with the second binding post and the first binding post of the insulation voltage withstand tester, and the insulation voltage withstand tester can conduct insulation voltage withstand test operation; meanwhile, the electrical component to be tested keeps in contact with the metal contact piece and the elastic bending piece in the process of moving along with the transmission belt until the insulation voltage withstand tester finishes the insulation voltage withstand test operation of the electrical component to be tested; the whole device has a simple structure, and can realize the insulation and voltage resistance test operation of the electric component without the need of an operator to contact with the insulation and voltage resistance tester, thereby effectively eliminating the potential safety hazard of the operator in the working process; and the device can be completely applied to an automatic production line through the design of the conveying belt, and the insulation voltage withstand test procedure is carried out through automatic operation, so that the inspection rate of the electrical components is effectively improved, and convenience is brought to the production operation of the electrical components.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a test flow chart I of the present invention;
FIG. 3 is a second test flow chart of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this invention.
As shown in fig. 1, 2 and 3, the embodiment discloses an insulation and voltage resistance testing device for an electrical component, which comprises an insulation and voltage resistance tester, a conveying mechanism and a detection mechanism, wherein a first binding post and a second binding post are arranged on the insulation and voltage resistance tester, the conveying mechanism is electrically connected with the first binding post of the insulation and voltage resistance tester, and the detection mechanism is connected with the second binding post of the insulation and voltage resistance tester;
the conveying mechanism comprises a conveying belt 1, wherein the conveying belt 1 is arranged in an annular shape, and two ends of the conveying belt 1 are respectively connected with the power assembly; the upper surface of the conveyer belt 1 is provided with a plurality of metal contact pieces 4 at equal intervals along the length direction of the conveyer belt 1, and the bottom ends of the plurality of metal contact pieces 4 are connected with first power-on wires 5 and are connected with a first binding post of an insulation voltage withstand tester through the first power-on wires 5.
The power assembly comprises a first power roller 2 and a second power roller 3, wherein the first power roller 2 and the second power roller 3 are fixedly connected to the ground through a fixing frame 6, the first power roller 2 and the second power roller 3 are symmetrically arranged at two ends of the length direction of the conveying belt 1, two ends of the conveying belt 1 are respectively sleeved on the outer sides of the first power roller 2 and the second power roller 3, a power motor is fixedly connected to the fixing frame 6, and the power motor is in transmission connection with the first power roller 2 or the second power roller 3.
The power assembly drives the conveying belt to rotate when working, and an operator can realize the connection between the electric component to be tested and the first wiring post in the insulation voltage withstand tester only by enabling the bottom end of the electric component to be tested to be in contact with the metal contact piece when placing the electric component to be tested; in general, the bottom end of the electrical component to be tested is of a metal structure, and the top end of the electrical component to be tested is of an insulating structure; in addition, for the electric component with the upper end and the lower end being of insulating structures, the fixing clamp can be arranged on the metal contact piece on the transmission belt and clamped with the metal structure in the middle of the electric component through the fixing clamp.
The detection mechanism comprises two support frames 7, wherein the two support frames 7 are arranged side by side along the conveying direction of the conveying belt 1, a movable assembly is arranged between the two support frames 7, and the movable assembly is connected with the two support frames 7 through a lifting assembly; the movable assembly is connected with one end of a second communication wire 13, and the other end of the second communication wire 13 is connected with a second binding post of the insulation voltage withstand tester.
The lifting assembly comprises two lifting cylinders 8 which are symmetrically arranged, the two lifting cylinders 8 are respectively and fixedly connected to the two supporting frames 7, cylinder push rods of the two lifting cylinders 8 are downwards arranged, and bottom end heads of the two cylinder push rods are respectively connected with two end heads of the two ends of the metal slide rod 9 in the movable assembly.
The movable assembly comprises a metal sliding rod 9 and a metal sliding sleeve 10, wherein the metal sliding rod 9 is positioned above the conveying belt 1, the length direction of the metal sliding rod 9 is consistent with the conveying direction of the conveying belt 1, the metal sliding rod 9 is in a rectangular column shape, both ends of the metal sliding rod 9 are connected with lifting cylinders, and one end of the metal sliding rod 9 is connected with one end of a second communication wire 13; the metal sliding sleeve 10 is provided with a rectangular hole corresponding to the outer diameter of the metal sliding rod 9 and sleeved on the metal sliding rod 9 through the rectangular hole, the metal sliding sleeve 10 can slide along the length direction of the metal sliding rod 9, the bottom end of the metal sliding sleeve 10 is connected with an elastic bending piece 11, the elastic bending piece 11 is an elastic metal sheet arranged in a lightning shape, and the bottom end of the elastic metal sheet is arranged horizontally; when the lifting mechanism is pressed down, the bottom end of the elastic bending piece 11 is contacted with the top end of the electric component 15 to be tested, and the elastic bending piece 11 is in a compressed state.
The two ends of the metal slide bar 9 in the length direction are fixedly connected with a first limiting plate 901 and a second limiting plate 902 respectively, a reset spring 12 is arranged between the first limiting plate 901 and the second limiting plate 902, the reset spring 12 is sleeved outside the metal slide bar 9, one end of the reset spring 12 is contacted with the first limiting plate 901, the other end of the reset spring 12 is contacted with one end of the metal sliding sleeve 10, and the other end of the metal sliding sleeve 10 is contacted with the second limiting plate 902.
When the electric component to be tested moves below the elastic bending piece along with the conveying belt, the lifting cylinder drives the metal sliding rod, the metal sliding sleeve and the elastic bending piece to move downwards, the bottom end of the elastic bending piece is compressed and closely contacts with the top end of the electric component to be tested (shown in fig. 2), under the action of friction force of the metal sliding rod and the elastic bending piece, the metal sliding sleeve can slide on the metal sliding rod and compress the reset spring (shown in fig. 3) along with the movement of the electric component to be tested, at the moment, the upper end and the lower end of the electric component to be tested are contacted with two binding posts of the insulation voltage withstand tester, and the insulation voltage withstand tester can conduct insulation voltage withstand test operation in the movement process of the insulation voltage withstand tester; after the test is finished, the lifting cylinder is controlled to perform lifting action, the metal sliding rod, the metal sliding sleeve and the elastic bending piece move upwards, the elastic bending piece is separated from the electrical component to be tested, at the moment, under the action of the reset spring, the metal sliding sleeve and the elastic bending piece can be extruded to return to the original position by the reset spring, and the next detection operation of the electrical component to be tested is waited; the whole operation process is simple and quick, and convenience is brought to insulation and voltage resistance test work of the electrical components.
The supporting frame 7 is fixedly connected with a photoelectric sensor 14, the photoelectric sensor 14 is positioned at the front end of the conveying belt 1 in the conveying direction, and the photoelectric sensor 14 faces the upper end face of the conveying belt 1.
The insulation voltage withstand test device also comprises a controller and an alarm, wherein the controller is respectively connected with the photoelectric sensor 14, the lifting cylinder 8, the power motor, the insulation voltage withstand tester and the alarm.
The electric component to be tested on the conveyor belt can be detected in advance through the photoelectric sensor, so that the lifting cylinder can make lifting action, the controller can control the lifting cylinder and the power motor according to the insulation voltage resistance tester and the detection signal of the photoelectric sensor, and when the insulation voltage resistance tester detects that the insulation voltage resistance test of the electric component to be tested is unqualified, the controller alarms through the alarm, and operators screen out the unqualified electric component.
When the device is used, an operator only needs to place the electric component to be tested at the upper end of the transmission belt and enable the electric component to be tested to be in contact with the metal contact piece at the end face of the transmission belt, then the electric component to be tested moves to the lower part of the detection mechanism along with the transmission belt, the lifting component in the detection mechanism drives the movable component to be pressed down, the elastic bending piece on the movable component is in contact with the upper end of the electric component to be tested, and therefore the upper end and the lower end of the electric component to be tested are respectively connected with the second binding post and the first binding post of the insulation voltage withstand tester, and the insulation voltage withstand tester can conduct insulation voltage withstand test operation; meanwhile, the electrical component to be tested keeps in contact with the metal contact piece and the elastic bending piece in the process of moving along with the transmission belt until the insulation voltage withstand tester finishes the insulation voltage withstand test operation of the electrical component to be tested; the whole device has a simple structure, and can realize the insulation and voltage resistance test operation of the electric component without the need of an operator to contact with the insulation and voltage resistance tester, thereby effectively eliminating the potential safety hazard of the operator in the working process; and the device can be completely applied to an automatic production line through the design of the conveying belt, and the insulation voltage withstand test procedure is carried out through automatic operation, so that the inspection rate of the electrical components is effectively improved, and convenience is brought to the production operation of the electrical components.
Claims (10)
1. The utility model provides an electric component's withstand voltage testing arrangement that insulates against voltage tester, is provided with first terminal, second terminal, its characterized in that including the withstand voltage tester of insulating against voltage tester: the insulation voltage withstand test device also comprises a conveying mechanism and a detection mechanism, wherein the conveying mechanism is electrically connected with the first binding post of the insulation voltage withstand tester, and the detection mechanism is connected with the second binding post of the insulation voltage withstand tester; the conveying mechanism comprises a conveying belt which is arranged in an annular shape, and two ends of the conveying belt are respectively connected with the power assembly; the upper surface of the conveying belt is provided with a plurality of metal contact pieces at equal intervals along the length direction of the conveying belt, and the bottom ends of the metal contact pieces are connected with first power-on wires and connected with first binding posts of an insulation voltage withstand tester through the first power-on wires.
2. The insulation and voltage withstand test device for an electrical component according to claim 1, wherein: the power assembly comprises a first power roller and a second power roller, the first power roller and the second power roller are fixedly connected to the ground through a fixing frame, the first power roller and the second power roller are symmetrically arranged at two ends of the length direction of the conveying belt, two ends of the conveying belt are respectively sleeved on the outer sides of the first power roller and the second power roller, a power motor is fixedly connected to the fixing frame, and the power motor is in transmission connection with the first power roller or the second power roller.
3. The insulation and voltage withstand test device for an electrical component according to claim 2, wherein: the detection mechanism comprises two support frames, wherein the two support frames are arranged side by side along the conveying direction of the conveying belt, a movable assembly is arranged between the two support frames, and the movable assembly is connected with the two support frames through a lifting assembly; the movable assembly is connected with one end of a second communication wire, and the other end of the second communication wire is connected with a second binding post of the insulation voltage withstand tester.
4. A dielectric withstand voltage testing apparatus for electrical parts according to claim 3, wherein: the movable assembly comprises a metal sliding rod and a metal sliding sleeve, the metal sliding rod is positioned above the conveying belt, the length direction of the metal sliding rod is consistent with the conveying direction of the conveying belt, two ends of the metal sliding rod are connected with the lifting assembly, and one end of the metal sliding rod is connected with one end of the second power-on wire; the metal sliding sleeve is sleeved on the metal sliding rod and can slide along the length direction of the metal sliding rod, and the bottom end of the metal sliding sleeve is connected with an elastic bending piece; when the lifting mechanism is pressed down, the bottom end of the elastic bending piece is contacted with the top end of the electrical component to be tested, and the elastic bending piece is in a compressed state.
5. The insulation and voltage withstand test device for electric parts according to claim 4, wherein: the elastic bending piece is an elastic metal sheet arranged in a lightning shape, and the bottom end of the elastic metal sheet is arranged in a horizontal shape.
6. The insulation and voltage withstand test device for electric parts according to claim 5, wherein: the metal sliding rod is rectangular and columnar, and a rectangular hole corresponding to the outer diameter of the metal sliding rod is formed in the metal sliding sleeve and sleeved on the metal sliding rod through the rectangular hole.
7. The insulation and voltage withstand test device for electric parts according to claim 6, wherein: the two ends of the length direction of the metal sliding rod are fixedly connected with a first limiting plate and a second limiting plate respectively, a reset spring is arranged between the first limiting plate and the second limiting plate, the reset spring is sleeved outside the metal sliding rod, one end of the reset spring is contacted with the first limiting plate, the other end of the reset spring is contacted with one end of the metal sliding sleeve, and the other end of the metal sliding sleeve is contacted with the second limiting plate.
8. The insulation and voltage withstand test device for electric parts according to claim 7, wherein: the lifting assembly comprises two lifting cylinders which are symmetrically arranged, the two lifting cylinders are respectively and fixedly connected to the two supporting frames, cylinder push rods of the two lifting cylinders are downwards arranged, and bottom end heads of the two cylinder push rods are respectively connected with two end heads of the length direction of the metal slide rod.
9. The insulation and voltage withstand test device for electric parts according to claim 8, wherein: the photoelectric sensor is fixedly connected to the supporting frame and located at the front end of the conveying belt in the conveying direction, and faces the upper end face of the conveying belt.
10. The insulation and voltage withstand test device for electric parts according to claim 9, wherein: the insulation voltage withstand test device also comprises a controller and an alarm, wherein the controller is respectively connected with the photoelectric sensor, the lifting cylinder, the power motor, the insulation voltage withstand tester and the alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310162239.8A CN116223993A (en) | 2023-02-24 | 2023-02-24 | Insulation voltage-withstanding testing device for electric component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310162239.8A CN116223993A (en) | 2023-02-24 | 2023-02-24 | Insulation voltage-withstanding testing device for electric component |
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| CN116223993A true CN116223993A (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310162239.8A Pending CN116223993A (en) | 2023-02-24 | 2023-02-24 | Insulation voltage-withstanding testing device for electric component |
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| CN111190085A (en) * | 2020-02-27 | 2020-05-22 | 广东惠而浦家电制品有限公司 | High-voltage automatic testing mechanism |
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| CN111521921A (en) * | 2020-05-19 | 2020-08-11 | 宁夏电力能源科技有限公司 | Method and device for automatically springing and pressing test electrode |
| CN212989538U (en) * | 2020-02-27 | 2021-04-16 | 广东惠而浦家电制品有限公司 | High-voltage automatic testing mechanism |
| CN113092968A (en) * | 2021-04-14 | 2021-07-09 | 哈尔滨理工大学 | Automatic testing system for AC/DC breakdown field intensity of film sample |
| CN113333322A (en) * | 2021-05-12 | 2021-09-03 | 深圳易润达工业设计有限公司 | Contact piece detection device with sorting structure for processing computer memory bank |
| CN215177676U (en) * | 2021-05-18 | 2021-12-14 | 陕西天烁精密机械有限公司 | Testing arrangement is used in aircraft support processing |
| CN218068185U (en) * | 2022-04-08 | 2022-12-16 | 合肥速为机电设备科技有限公司 | Fork truck fills electrical insulation detection device of machine |
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2023
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205317891U (en) * | 2015-12-31 | 2016-06-15 | 天津曼科科技有限公司 | Automatic withstand voltage test system |
| CN108335991A (en) * | 2018-04-02 | 2018-07-27 | 格润智能光伏南通有限公司 | A kind of pressure-resistant automatic testing equipment of solar double-glass assemblies insulation |
| CN210982655U (en) * | 2019-09-27 | 2020-07-10 | 苏州工业园区凯恩电子科技有限公司 | Automatic monitoring devices of voltage resistance |
| CN111190085A (en) * | 2020-02-27 | 2020-05-22 | 广东惠而浦家电制品有限公司 | High-voltage automatic testing mechanism |
| CN212989538U (en) * | 2020-02-27 | 2021-04-16 | 广东惠而浦家电制品有限公司 | High-voltage automatic testing mechanism |
| CN111521921A (en) * | 2020-05-19 | 2020-08-11 | 宁夏电力能源科技有限公司 | Method and device for automatically springing and pressing test electrode |
| CN113092968A (en) * | 2021-04-14 | 2021-07-09 | 哈尔滨理工大学 | Automatic testing system for AC/DC breakdown field intensity of film sample |
| CN113333322A (en) * | 2021-05-12 | 2021-09-03 | 深圳易润达工业设计有限公司 | Contact piece detection device with sorting structure for processing computer memory bank |
| CN215177676U (en) * | 2021-05-18 | 2021-12-14 | 陕西天烁精密机械有限公司 | Testing arrangement is used in aircraft support processing |
| CN218068185U (en) * | 2022-04-08 | 2022-12-16 | 合肥速为机电设备科技有限公司 | Fork truck fills electrical insulation detection device of machine |
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