CN116298738A

CN116298738A - High-voltage test capacitor device

Info

Publication number: CN116298738A
Application number: CN202310588793.2A
Authority: CN
Inventors: 曹佶; 朱开开; 周泽文
Original assignee: Zhejiang Hangke Instrument Co ltd
Current assignee: Zhejiang Hangke Instrument Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-06-23

Abstract

The invention discloses a high-voltage test capacitor device which comprises a base cabinet, a control assembly, a test assembly and a driving assembly, wherein the test assembly comprises an aging box, an integrated power supply for outputting high voltage, an aging rack and a plurality of aging boxes which are in sliding connection with the aging rack, the driving assembly comprises a driving box, a driving rack and a plurality of driving boxes which are in sliding connection with the driving rack, the control assembly, the aging box and the driving box are respectively arranged at the upper end of the base cabinet, the integrated power supply is arranged in the base cabinet, the aging box comprises a plurality of test pieces for mounting capacitors to be tested, the test pieces comprise an insulating container filled with oil and a discharger for applying high voltage, the discharger is inserted into the insulating container, a driving plate is arranged in the driving box, and the discharger is electrically connected with the integrated power supply and the control assembly. The high-voltage-resistant capacitor can be used for testing the high-voltage resistance of the capacitor, and is high in safety.

Description

High-voltage test capacitor device

Technical Field

The invention relates to the field of electronic component testing, in particular to a high-voltage test capacitor device.

Background

Generally, the capacitor is easy to block direct current, but as the voltage of the direct current increases, the capacitor is broken down successively, especially, some capacitors with poor quality are broken down more easily, so the voltage resistance test of the capacitor is a necessary process.

The existing high-voltage capacitor testing device is not high in testing voltage due to the fact that high voltage is dangerous, and cannot test high-voltage resistance of the capacitor.

There are also few devices that can test capacitance at high voltage, but the safety is not high.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a high-voltage test capacitor device which can test the high-voltage resistance of a capacitor and has high safety.

The invention adopts the following technical scheme:

the utility model provides a high-voltage test capacitor device, includes base cabinet, control assembly, test assembly and drive assembly, test assembly includes ageing oven, is used for exporting high-voltage integrated power supply, ageing rack and with ageing rack sliding connection's a plurality of ageing boxes, drive assembly include drive oven, drive rack and with drive rack sliding connection's a plurality of drive boxes, control assembly ageing oven with the drive oven sets up respectively the upper end of base cabinet, integrated power supply sets up in the base cabinet, ageing box includes a plurality of test pieces that are used for installing the electric capacity that awaits measuring, the test piece is including the insulated container that is loaded with oil and be used for applying high-voltage discharger, the discharger inserts in the insulated container, be provided with the drive plate in the drive box, the discharger with integrated power supply electric connection, the drive plate respectively with integrated power supply with control assembly electric connection.

Preferably, the two dischargers are arranged, one discharger is connected with the positive electrode of the capacitor to be tested, the other discharger is connected with the negative electrode of the capacitor to be tested, the insulating container comprises a containing wall and a rotary table for blocking the insulating container, a bulge is arranged on the rotary table, a notch corresponding to the bulge is arranged on the containing wall, the upper end of the containing wall is provided with an arc-shaped opening which is favorable for the rotary table to rotate, and the upper end of the discharger is fixedly connected with the rotary table.

Preferably, the aging box further comprises an aging bottom plate, a plurality of first side plates and a first cover plate, the plurality of first side plates are connected end to end and are respectively fixed on the periphery of the aging bottom plate, the first cover plate is fixed at the upper ends of the plurality of first side plates, and the containing wall is fixed on the first side plates.

Preferably, the ageing rack comprises a first side frame, a plurality of insulating partition boards and a plurality of insulating baffle boards, wherein the insulating partition boards are respectively arranged at the upper end and the lower end of the first side frame, the insulating baffle boards are fixed on two sides of the first side frame, and the ageing box is connected with the first side frame in a sliding manner through the ageing bottom board.

Preferably, the discharger comprises an insulating cylinder and a conductive piece rotationally connected with the insulating cylinder, a discharging end is arranged at the lower end of the conductive piece, and the discharger is electrically connected with the capacitor to be tested through the discharging end.

Preferably, a plurality of elastic sheets are arranged at the contact position of the discharge end and the capacitor to be tested, and the elastic sheets extend into the insulating cylinder.

Preferably, the driving box further comprises a driving bottom plate, an adapter plate, a second cover plate and a plurality of second side plates, the plurality of second side plates are connected end to end and fixed on the periphery of the driving bottom plate respectively, the second cover plate is fixed at the upper end of the second side plate, the adapter plate is fixed on the side edge of the second side plate, the driving plate is arranged in the driving box, and the driving plate is electrically connected with the integrated power supply through the adapter plate.

Preferably, the driving frame comprises a second side frame, the driving box is in sliding connection with the second side frame through the driving bottom plate, and a shielding plate is arranged between the driving box and the aging box.

Preferably, an integrated power supply and an insulation sleeve wire are arranged in the base cabinet, and the integrated power supply is electrically connected with the control assembly, the test assembly and the driving assembly respectively through the insulation sleeve wire.

Preferably, the control assembly comprises a control box, an industrial personal computer, a display screen and a key board, wherein the industrial personal computer is arranged in the control box, the display screen and the key board are respectively fixed on the side wall of the control box, the display screen and the key board are respectively electrically connected with the industrial personal computer, and the driving board is electrically connected with the industrial personal computer.

Compared with the prior art, the invention has the beneficial effects that:

the application discloses a high-voltage test capacitor device, it includes ageing oven and test piece, is filled with inactive nitrogen gas in this ageing oven, is difficult for discharging under high voltage, breaks down and high temperature oxidation, does benefit to high voltage test. The test piece comprises an insulating container and a discharger arranged in the insulating container, oil is filled in the insulating container, the oil can insulate and prevent the high voltage released by the discharger from breaking down the test piece, the temperature can be reduced, and the high voltage resistance test can be carried out on the capacitor to be tested.

In addition, the test piece sets up on the ageing box, the drive plate sets up in the drive box, integrated power supply sets up in the base cabinet can prevent that high voltage electric leakage from burning out the drive box, and high voltage test is in insulating container goes on, has further improved the security.

Drawings

FIG. 1 is a schematic diagram of a high voltage test capacitor device according to the present invention;

FIG. 2 is a schematic perspective view of an aging rack according to the present invention;

FIG. 3 is a schematic perspective view of an aging box according to the present invention;

FIG. 4 is a schematic plan view of a test piece according to the present invention;

FIG. 5 is a cross-sectional view at A in FIG. 4;

fig. 6 is a schematic perspective view of the discharger of the present invention;

fig. 7 is a schematic plan view of the discharger of the present invention;

FIG. 8 is a cross-sectional view at A in FIG. 7;

fig. 9 is a schematic perspective view of a driving case according to the present invention.

In the figure: 10. a testing component; 11. an aging box; 12. an aging rack; 121. a first side frame; 122. an insulating baffle; 123. an insulating separator; 13. an aging box; 131. a first cover plate; 132. a first side plate; 133. aging the bottom plate; 134. a heat radiation hole; 14. a test piece; 141. an insulating container; 142. a turntable; 143. a container wall; 144. a notch; 145. a protrusion; 146. a cavity; 15. a discharger; 151. a discharge end; 152. an elastic sheet; 153. a wire inlet hole; 154. an insulating cylinder; 155. a conductive member; 20. a drive assembly; 21. a drive box; 22. a drive box; 221. a second cover plate; 222. a second side plate; 223. a driving bottom plate; 224. an adapter plate; 30. a control assembly; 31. a control box; 40. a bottom cabinet; 41. an integrated power supply; 42. an insulated sleeve wire; 50. and a capacitor to be measured.

Detailed Description

So that the manner in which the above recited features, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized below, may be had by reference to the appended drawings.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "transverse", "longitudinal", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in fig. 1 to 5, a high voltage test capacitor device disclosed in the present application includes a base cabinet 40, a control assembly 30, a test assembly 10 and a driving assembly 20, the test assembly 10 includes a burn-in box 11, an integrated power source 41 for outputting a high voltage, a burn-in rack 12 and a plurality of burn-in boxes 13 slidably connected with the burn-in rack 12, the driving assembly 20 includes a driving box 21, a driving rack (not shown) and a plurality of driving boxes 22 slidably connected with the driving rack, the control assembly 30, the burn-in box 11 and the driving box 21 are respectively disposed at an upper end of the base cabinet 40, the integrated power source 41 is disposed in the base cabinet 40, the burn-in boxes 13 includes a plurality of test pieces 14, the test pieces 14 include an insulating container 141 for carrying a capacitor 50 to be tested and two dischargers 15 for applying a high voltage to the capacitor 50 to be tested, the dischargers 15 are inserted into the insulating container 141, a driving board (not shown) is disposed in the driving boxes 22, the power source 41 is electrically connected with the integrated power source 41 and the control assembly 41 are respectively electrically connected with the integrated power source 41.

The application discloses a high voltage test capacitor device, it includes ageing case 11 and test piece 14, is filled with inactive nitrogen gas in this ageing case 11, is difficult for discharging under high voltage, breaks down and high temperature oxidation, and the price of nitrogen gas is affordable, does benefit to the high voltage test. The test piece 14 comprises an insulating container 141 and a discharger 15 arranged on the insulating container 141, wherein oil is filled in a containing cavity 146 of the insulating container 141, and can insulate the oil to prevent high voltage released by the discharger 15 from breaking through the test piece 14, and has the function of cooling down, so that the capacitor to be tested can be tested for high voltage resistance.

In addition, the test piece 14 is arranged on the aging box 13, the driving plate is arranged in the driving box 22, the integrated power supply 41 is arranged in the bottom cabinet 40, so that the driving box can be prevented from being burnt out by high-voltage leakage, and the high-voltage test is performed in the insulating container 141, so that the safety is further improved.

The control component 30 is configured to send a test command to the driving component 20, the driving component 20 converts the test command into a test signal (high voltage signal) to the integrated power source 41, the integrated power source 41 outputs a corresponding high voltage to the testing component 10 according to the test signal, and performs a high voltage test on the capacitor 50 to be tested, and the driving component 20 can also function as a switch.

In a preferred embodiment, as shown in fig. 1, an integrated power source 41 and an insulated sleeve wire 42 are disposed in the base cabinet 40, and the integrated power source 41 is electrically connected to the control assembly 30, the test assembly 10 and the driving assembly 20 through the insulated sleeve wire 42. The control assembly 30 comprises a control box 31, an industrial personal computer, a display screen and a key board, wherein the industrial personal computer is arranged in the control box 31, the display screen and the key board are respectively fixed on the side wall of the control box 31, the display screen and the key board are respectively electrically connected with the industrial personal computer, and the driving board is electrically connected with the industrial personal computer.

In the above embodiment, the integrated power supply 41 may output a corresponding high voltage to the test piece 14 according to the test information sent by the driving board, so as to perform a high voltage test on the capacitor 50 to be tested. The insulated sheath wire 42 is a thick wire provided with an insulated sheath, and can prevent high voltage leakage. The user can input a test instruction to the industrial personal computer through the key board, and the industrial personal computer is used for sending the test instruction, analyzing the test result and storing the test information. The display screen is used for displaying test information and the running state of the high-voltage test capacitor device.

In a preferred embodiment, as shown in fig. 2 to 3, the burn-in frame 12 includes a first side frame 121, a plurality of insulating spacers 123 and a plurality of insulating baffles 122, the plurality of insulating spacers 123 are respectively disposed at upper and lower ends of the first side frame 121, the insulating baffles 122 are fixed on both sides of the first side frame 121, and the burn-in box 13 is slidably coupled with the first side frame 121 through the burn-in base plate 133. The aging box 13 further includes an aging bottom plate 133, a plurality of first side plates 132, and a first cover plate 131, where the plurality of first side plates 132 are connected end to end and fixed on the periphery of the aging bottom plate 133, the first cover plate 131 is fixed on the upper ends of the plurality of first side plates 132, and the accommodating wall 143 is fixed on the first side plates 132.

In the above embodiment, the insulating spacer 123 and the insulating barrier 122 can prevent the aging rack 12 from contacting the aging box 11 to possibly leak electricity, thereby improving safety. In order to facilitate the sliding and mounting of the burn-in cartridge 13, a slide way is provided on the inner side of the first side frame 121. In order to facilitate the installation of the test piece 14, the first cover plate 131 is provided with an installation hole, and the test piece 14 is installed in the installation hole. In order to better protect the test piece 14, the test piece 14 is mounted in a cavity defined by the aged bottom plate 133 and the plurality of first side plates 132. For better heat dissipation, the first side plate 132 is further provided with heat dissipation holes 134.

In a preferred embodiment, as shown in fig. 4 to 8, two of the dischargers 15 are provided, one of the dischargers 15 is connected to the positive electrode of the capacitor 50 to be tested, the other discharger 15 is connected to the negative electrode of the capacitor 50 to be tested, the insulating container 141 includes a container wall 143 and a rotary disc 142 for sealing the insulating container 141, the upper end of the container wall 143 is provided with an arc opening for facilitating the rotation of the rotary disc 142, the rotary disc 142 is provided with a protrusion 145, the container wall 143 is provided with a recess 144 corresponding to the protrusion 145, and the upper end of the discharger 15 is fixedly connected to the rotary disc 142. The discharger 15 comprises an insulating cylinder 154 and a conductive member 155 rotatably connected with the insulating cylinder 154, a discharging end 151 is arranged at the lower end of the conductive member 155, and the discharger 15 is electrically connected with the capacitor 50 to be tested through the discharging end 151. A plurality of elastic pieces 152 are arranged at the contact position of the discharge end 151 and the capacitor 50 to be tested, and the elastic pieces extend into the insulating cylinder 154.

In the above embodiment, in order to facilitate the installation of the turntable 142, the turntable may be rotated on the arc-shaped opening, and the turntable 142 is firmly engaged with the upper end of the receiving wall 143 when rotated to the state that the protrusion 145 is overlapped with the recess 144. The conductive member 155 may be electrically connected to the integrated power source 41 through the insulated sleeve wire 42, the high voltage power output by the integrated power source 41 is transmitted to the conductive member 155 through the insulated sleeve wire 42, and the conductive member 155 releases the high voltage power to the capacitor 50 to be tested through the discharge end 151. The insulated sleeve wire 42 may be electrically connected to the conductive member 155 through the wire inlet 153, and the conductive member 155 may be rotatably connected to the insulating cylinder 154. In order to facilitate the clamping connection between the discharge end 151 and the capacitor 50 to be tested, a plurality of elastic pieces 152 are disposed at the contact position between the discharge end 151 and the capacitor 50 to be tested. In order to prevent the conductive member 155 from shaking, the elastic piece 152 is also in contact with the inner wall of the lower end of the insulating cylinder 154, so that the discharge end 151 is engaged with the lower end of the insulating cylinder 154. Preferably, the elastic piece 152 is a metal reed, and the discharge end 151 is a metal conductive column.

In a preferred embodiment, the driving rack (not shown) includes a second side frame, the driving box 22 is slidably connected to the second side frame through the driving base plate 223, and a shielding plate (not shown) is disposed between the driving box 22 and the burn-in box 13. As shown in fig. 9, the driving box 22 further includes a driving bottom plate 223, an adapter plate 224, a second cover plate 221, and a plurality of second side plates 222, where the plurality of second side plates 222 are connected end to end and are respectively fixed on the periphery of the driving bottom plate 223, the second cover plate 221 is fixed at the upper end of the second side plate 222, the adapter plate 224 is fixed on the side edge of the second side plate 222, the driving plate is disposed in the driving box 22, and the driving plate is electrically connected with the integrated power source 41 through the adapter plate 224.

In the above embodiment, the driving box 22 is slidably connected to the second side frame, so as to facilitate installation of a driving board, and the shielding board can prevent static electricity generated by high voltage electricity in the aging box 13 from interfering with the driving board, and the shielding board is fixed on an end face of the driving box 21 close to the aging box 11. The driving plate is disposed in the driving box 22 surrounded by the driving bottom plate 223 and the plurality of second side plates 222, and the second side plates 222 may be electrostatic shielding plates. The adapter plate 224 is provided with a plurality of holes for installing the insulated sleeve wire 42.

In summary, the high voltage test capacitor device disclosed in the present application can prevent high temperature oxidation by the safe aging box 11, and the insulated sleeve wire 42, the aging box 13 and the driving box 22 can prevent electric leakage, reduce electrostatic shielding, and improve safety for high voltage test. And the high voltage test is performed in the insulating container 141, further improving safety.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-voltage test capacitor device, includes base cabinet, control assembly, test assembly and drive assembly, its characterized in that: the test assembly comprises an aging box filled with nitrogen, an integrated power supply for outputting high voltage, an aging frame and a plurality of aging boxes connected with the aging frame in a sliding mode, the driving assembly comprises a driving box, a driving frame and a plurality of driving boxes connected with the driving frame in a sliding mode, the control assembly, the aging box and the driving box are respectively arranged at the upper end of the base cabinet, the integrated power supply is arranged in the base cabinet, the aging boxes comprise a plurality of test pieces for installing capacitors to be tested, each test piece comprises an insulating container filled with oil and a discharger for applying high voltage, the discharger is inserted into the insulating container, a driving plate is arranged in the driving box, and the discharger is electrically connected with the integrated power supply and the control assembly respectively.

2. The high voltage test capacitor device of claim 1, wherein: the two arresters are connected with the positive electrode of the capacitor to be tested, the other arrester is connected with the negative electrode of the capacitor to be tested, the insulating container comprises a containing wall and a rotary table for blocking the insulating container, a bulge is arranged on the rotary table, a notch corresponding to the bulge is arranged on the containing wall, the upper end of the containing wall is provided with an arc-shaped opening which is favorable for the rotary table to rotate, and the upper end of the arrester is fixedly connected with the rotary table.

3. The high voltage test capacitor device of claim 2, wherein: the aging box further comprises an aging bottom plate, a plurality of first side plates and a first cover plate, wherein the first side plates are connected end to end and are respectively fixed on the periphery of the aging bottom plate, the first cover plate is fixed at the upper ends of the first side plates, and the containing wall is fixed on the first side plates.

4. A high voltage test capacitor device according to claim 3, wherein: the ageing rack comprises a first side frame, a plurality of insulating partition boards and a plurality of insulating baffle boards, wherein the insulating partition boards are respectively arranged at the upper end and the lower end of the first side frame, the insulating baffle boards are fixed on two sides of the first side frame, and the ageing box is connected with the first side frame in a sliding mode through the ageing bottom board.

5. The high voltage test capacitor device of claim 1, wherein: the discharger comprises an insulating cylinder and a conductive piece rotationally connected with the insulating cylinder, wherein the lower end of the conductive piece is provided with a discharge end, and the discharger is electrically connected with a capacitor to be measured through the discharge end.

6. The high voltage test capacitor device of claim 5 wherein: and a plurality of elastic sheets are arranged at the contact position of the discharge end and the capacitor to be tested, and extend into the insulating cylinder.

7. The high voltage test capacitor device of claim 1, wherein: the driving box further comprises a driving bottom plate, an adapter plate, a second cover plate and a plurality of second side plates, the second side plates are connected end to end and are respectively fixed on the periphery of the driving bottom plate, the second cover plate is fixed at the upper end of the second side plate, the adapter plate is fixed on the side edge of the second side plate, the driving plate is arranged in the driving box, and the driving plate is electrically connected with the integrated power supply through the adapter plate.

8. The high voltage test capacitor device of claim 7 wherein: the driving frame comprises a second side frame, the driving box is in sliding connection with the second side frame through the driving bottom plate, and a shielding plate is arranged between the driving box and the aging box.

9. The high voltage test capacitor device of claim 1, wherein: and an insulating sleeve wire is further arranged in the bottom cabinet, and the integrated power supply is respectively and electrically connected with the control assembly, the testing assembly and the driving assembly through the insulating sleeve wire.

10. The high voltage test capacitor device of claim 1, wherein: the control assembly comprises a control box, an industrial personal computer, a display screen and a key board, wherein the industrial personal computer is arranged in the control box, the display screen and the key board are respectively fixed on the side wall of the control box, the display screen and the key board are respectively electrically connected with the industrial personal computer, and the driving board is electrically connected with the industrial personal computer.