Capacitor inner core withstand voltage test device

Abstract

The utility model discloses a capacitor inner core withstand voltage test device, which comprises a base module, a driving module and a test module, the driving module is arranged on the base module, and the test module is arranged on the driving module. The base module comprises a top plate, a bottom plate, a first supporting column, a second supporting column, a third supporting column and a fourth supporting column, and the first supporting column, the second supporting column, the third supporting column and the fourth supporting column are all installed between the top plate and the bottom plate. The capacitor inner core withstand voltage test device disclosed by the utility model performs linkage through the base module, the driving module and the test module, and performs automatic withstand voltage detection on the installed capacitor inner core in cooperation with the pressurization test equipment, manual connection is not needed, and the capacitor inner core withstand voltage test device has the advantages of high safety, stable structure, high efficiency and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of capacitor core withstand voltage testing, and in particular relates to a capacitor core withstand voltage testing device. Background Art

[0002] A capacitor is a device that holds electric charge. It is composed of two conductors close to each other with a non-conductive insulating medium in between. The ability to hold electric charge is usually referred to as capacitance. Capacitors are one of the electronic components used in large quantities in electronic equipment. The capacitor core needs to be tested for withstand voltage by testing equipment during production.

[0003] In the prior art capacitance test, it is necessary to manually connect the two ends of the inner core to the pressure test equipment and perform the test, which is inefficient and prone to danger.

[0004] Therefore, further improvements are made to the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a capacitor core withstand voltage test device, which is linked by a base module, a drive module and a test module, and cooperates with a pressurized test device to automatically perform a withstand voltage test on the installed capacitor core without manual connection. It has the advantages of high safety, stable structure and high efficiency.

[0006] To achieve the above purpose, the utility model provides a capacitor core withstand voltage test device, comprising a base module, a drive module and a test module, wherein the drive module is installed on the base module and the test module is installed on the drive module, wherein:

[0007] The base module comprises a top plate, a bottom plate, a first support column, a second support column, a third support column and a fourth support column, wherein the first support column, the second support column, the third support column and the fourth support column are all installed between the top plate and the bottom plate;

[0008] The driving module comprises a fixing plate, a first guide rod, a second guide rod, a cylinder mounting seat, a driving cylinder, a driving plate, a first guide sleeve and a second guide sleeve, wherein the fixing plate is fixedly mounted on the top plate, the first guide rod and the second guide rod are fixedly mounted between the fixing plate and the cylinder mounting seat, the driving cylinder is mounted on the cylinder mounting seat, the first end of the driving plate is mounted on the first guide rod through the first guide sleeve and the second end of the driving plate is mounted on the second guide rod through the second guide sleeve, and the driving plate is connected to the driving end of the driving cylinder;

[0009] The test module includes a probe mounting block, a first probe unit and a second probe unit, the probe mounting block is fixedly mounted on the driving board and the first probe unit and the second probe unit are both mounted on the probe mounting block, the first probe unit and the second probe unit each include a pressurized probe, a probe cover, a spring and a connecting block, the top end of the pressurized probe is inserted into the bottom opening of the probe cover and a card block is provided at the top end of the pressurized probe, the size of the card block is larger than the bottom opening (so that the pressurized probe cannot fall from the probe cover), the connecting block is fixedly mounted on the top opening of the probe cover, the spring is built into the probe cover and the spring is located between the card block and the connecting block, and the connecting block is provided with a through hole for wiring (the wire enters the through hole and is electrically connected to the pressurized probe).

[0010] As a further preferred technical solution of the above technical solution, the driving module also includes a limit unit, the limit unit includes a limit seat and a limit sensor, the limit seat is fixedly installed on the fixed plate, the limit sensor is fixedly installed on the limit seat and the limit sensor is located below the driving plate.

[0011] As a further preferred technical solution of the above technical solution, the top plate is installed with a test seat (the test seat can be installed with a test carrier, so that the capacitor core is installed on the test carrier, and the connector is aligned with the two pressurized probes).

[0012] As a further preferred technical solution of the above technical solution, the test socket is fixedly mounted on the top plate through a positioning pin.

[0013] As a further preferred technical solution of the above technical solution, insulating sleeves are provided at the connections between the first support column, the second support column, the third support column and the fourth support column and the top plate respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a capacitor core withstand voltage test device.

[0015] Figure 2 The utility model is a structural schematic diagram of a first probe unit and a second probe unit of a capacitor core withstand voltage test device.

[0016] Figure 3 The utility model is a cross-sectional view of a first probe unit and a second probe unit of a capacitor core withstand voltage test device.

[0017] The reference numerals include: 100, base module; 110, top plate; 111, test seat; 120, bottom plate; 112, positioning pin; 130, first support column; 131, insulating sleeve; 140, second support column; 150, third support column; 160, fourth support column; 200, drive module; 210, fixing plate; 220, first guide rod; 230, second guide rod; 240, cylinder mounting seat; 250, drive cylinder; 260, drive plate ; 270, first guide sleeve; 280, second guide sleeve; 290, limit unit; 291, limit seat; 292, limit sensor; 300, test module; 310, probe mounting block; 320, first probe unit; 321, pressurized probe; 3211, clamping block; 322, probe sleeve; 3221, bottom opening; 3222, top opening; 323, spring; 324, connecting block; 3241, through hole; 330, second probe unit. DETAILED DESCRIPTION

[0018] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0019] The utility model discloses a capacitor core withstand voltage test device. The specific embodiments of the utility model are further described below in conjunction with preferred embodiments.

[0020] In the embodiments of the present invention, those skilled in the art note that the pressurized testing equipment and the like involved in the present invention may be regarded as prior art.

[0021] Preferred embodiments.

[0022] The utility model discloses a capacitor core withstand voltage test device, comprising a base module 100, a driving module 200 and a testing module 300, wherein the driving module 200 is installed on the base module 100 and the testing module 300 is installed on the driving module 200, wherein:

[0023] The base module 100 includes a top plate 110, a bottom plate 120, a first support column 130, a second support column 140, a third support column 150 and a fourth support column 160, wherein the first support column 130, the second support column 140, the third support column 150 and the fourth support column 160 are all installed between the top plate 110 and the bottom plate 120;

[0024] The driving module 200 includes a fixing plate 210, a first guide rod 220, a second guide rod 230, a cylinder mounting seat 240, a driving cylinder 250, a driving plate 260, a first guide sleeve 270 and a second guide sleeve 280, wherein the fixing plate 210 is fixedly mounted on the top plate 110, the first guide rod 220 and the second guide rod 230 are fixedly mounted between the fixing plate 210 and the cylinder mounting seat 240, the driving cylinder 250 is mounted on the cylinder mounting seat 240, the first end of the driving plate 260 is mounted on the first guide rod 220 through the first guide sleeve 270 and the second end of the driving plate 260 is mounted on the second guide rod 230 through the second guide sleeve 280, and the driving plate 260 is connected to the driving end of the driving cylinder 250;

[0025] The test module 300 includes a probe mounting block 310, a first probe unit 320 and a second probe unit 330. The probe mounting block 310 is fixedly mounted on the driving board 260 and the first probe unit 320 and the second probe unit 330 are both mounted on the probe mounting block 310. The first probe unit 320 and the second probe unit 330 each include a pressurized probe 321, a probe cover 322, a spring 323 and a connecting block 324. The top end of the pressurized probe 321 is inserted into the bottom opening 322 of the probe cover 322. The top of the pressurizing probe 321 is provided with a block 3211, the size of the block 3211 is larger than the bottom opening 3221 (so that the pressurizing probe cannot fall from the probe cover), the connecting block 324 is fixedly installed at the top opening 3222 of the probe cover 322, the spring 323 is built into the probe cover 322 and the spring 323 is located between the block 3211 and the connecting block 324, and the connecting block 324 is provided with a through hole 3241 for the wire to be routed (the wire enters the through hole and is electrically connected to the pressurizing probe).

[0026] Specifically, the driving module 200 also includes a limit unit 290, and the limit unit 290 includes a limit seat 291 and a limit sensor 292. The limit seat 291 is fixedly installed on the fixed plate 210, and the limit sensor 292 is fixedly installed on the limit seat 291 and the limit sensor 292 is located below the driving plate 260 (to prevent the driving cylinder from over-driving the driving plate downward).

[0027] More specifically, the top plate 110 is installed with a test socket 111 (the test socket can be installed with a test vehicle, so that the capacitor core is installed on the test vehicle, and the connector is aligned with two pressure probes).

[0028] Furthermore, the test seat 111 is fixedly mounted on the top plate 110 via a positioning pin 112 .

[0029] Furthermore, insulating sleeves 131 are provided at the connection locations of the first support column 130 , the second support column 140 , the third support column 150 , and the fourth support column 160 with the top plate 110 .

[0030] For this utility model:

[0031] The two end wires of the pressure test equipment are connected to the two pressure probes through the conduction of the connection block. After the capacitor core is installed, the cylinder is started so that the cylinder drives the driving plate to move downward and move steadily on the first / second guide rod so that the two pressure probes touch the two connection ends of the capacitor core, and it is energized and pressurized, and then tested;

[0032] When the pressure probe touches the inner core, due to the action of the spring, the pressure probe will not contact the inner core too hard, and the spring will be compressed to provide a buffer to protect the probe and the inner core.

[0033] It is worth mentioning that the technical features such as the pressurized testing equipment involved in this utility model patent application should be regarded as the prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field and should not be regarded as the invention point of this utility model patent. This utility model patent will not be further elaborated.

[0034] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A capacitor core withstand voltage test device, characterized in that: It comprises a base module, a driving module and a testing module, wherein the driving module is mounted on the base module and the testing module is mounted on the driving module, wherein: The base module comprises a top plate, a bottom plate, a first support column, a second support column, a third support column and a fourth support column, wherein the first support column, the second support column, the third support column and the fourth support column are all installed between the top plate and the bottom plate; The driving module comprises a fixing plate, a first guide rod, a second guide rod, a cylinder mounting seat, a driving cylinder, a driving plate, a first guide sleeve and a second guide sleeve, wherein the fixing plate is fixedly mounted on the top plate, the first guide rod and the second guide rod are fixedly mounted between the fixing plate and the cylinder mounting seat, the driving cylinder is mounted on the cylinder mounting seat, the first end of the driving plate is mounted on the first guide rod through the first guide sleeve and the second end of the driving plate is mounted on the second guide rod through the second guide sleeve, and the driving plate is connected to the driving end of the driving cylinder; The test module includes a probe mounting block, a first probe unit and a second probe unit, the probe mounting block is fixedly mounted on the driving board and the first probe unit and the second probe unit are both mounted on the probe mounting block, the first probe unit and the second probe unit both include a pressurized probe, a probe cover, a spring and a connecting block, the top end of the pressurized probe is inserted into the bottom opening of the probe cover and a card block is provided at the top end of the pressurized probe, the size of the card block is larger than the bottom opening, the connecting block is fixedly mounted on the top opening of the probe cover, the spring is built into the probe cover and the spring is located between the card block and the connecting block, and the connecting block is provided with a through hole for wiring.

2. A capacitor core withstand voltage test device according to claim 1, characterized in that: The driving module further includes a limit unit, which includes a limit seat and a limit sensor. The limit seat is fixedly mounted on the fixing plate, and the limit sensor is fixedly mounted on the limit seat and is located below the driving plate.

3. A capacitor core withstand voltage test device according to claim 2, characterized in that: The top plate is equipped with a test socket.

4. A capacitor core withstand voltage test device according to claim 3, characterized in that: The test seat is fixedly mounted on the top plate via a positioning pin.

5. A capacitor core withstand voltage test device according to claim 4, characterized in that: Insulating sleeves are provided at the connection places between the first supporting column, the second supporting column, the third supporting column and the fourth supporting column and the top plate respectively.

Images