Device for detecting air tightness of capacitor

By designing a lifting mechanism and a testing mechanism suitable for capacitor airtightness testing equipment, the problem of batch testing of multi-size capacitors was solved, achieving efficient and accurate airtightness testing and meeting the needs of capacitors of different sizes.

CN223741891UActive Publication Date: 2025-12-30GANSU ZHONGCHAORONG NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520403005.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-12-30
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Existing capacitor airtightness testing equipment cannot simultaneously meet the batch testing needs of capacitors of multiple sizes, and traditional structures have poor applicability when testing capacitors of different sizes.

Method used

A capacitor air tightness testing device was designed, comprising a base, a lifting mechanism, and a testing mechanism. The lifting plate drives the air nozzle to connect with the liquid injection hole of the positive terminal of the capacitor, and the air tightness is judged by a pressure gauge. A pressure regulating valve is used to control the pressure, which can be adapted to the testing of capacitors of different sizes.

Benefits of technology

It enables batch airtightness testing of capacitors of various sizes, improving testing efficiency and accuracy, reducing defective products, and its structural design facilitates operation and replacement.

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Abstract

The utility model relates to the field of air tightness detection, in particular to capacitor air tightness detection equipment, which comprises a base, a lifting mechanism and a detection mechanism. The lifting mechanism comprises a lifting plate and a driving part used for driving the lifting plate to lift, and the lifting plate is located above the capacitor fixing disc; the detection mechanism comprises a plurality of air pipes and air nozzles which are connected one by one, the air nozzles are installed on the lifting plate, and air pressure meters are installed on the air pipes. By adopting the technical scheme, the requirement of detecting the air tightness of capacitors with multiple sizes in batches can be met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the airtightness detection field, concretely relates to capacitor airtightness detection equipment. BACKGROUND

[0002] The airtightness detection of capacitor, the main test mode is single station test at present, causes the small number of detection in short time, cannot satisfy the test requirement, and the detection equipment at present is connected when the injection hole of air nozzle and capacitor, mostly adopts lever plus air cylinder structure, that is, the air cylinder drives the one end of lever to rise, the other end of lever drops and drives air nozzle and injection hole to connect, like this is not applicable when carrying out airtightness detection to different size, such as different height capacitor. UTILITARY MODEL CONTENT

[0003] The utility model intends to provide capacitor airtightness detection equipment to solve the problem of batch detection airtightness of multi -size capacitor.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: capacitor airtightness detection equipment, including base, lifting mechanism and detection mechanism, be provided with capacitor fixed disc on the base, lifting mechanism includes lifting plate and the driving piece for driving lifting plate to lift, and lifting plate is located above capacitor fixed disc, detection mechanism includes several one -to -one connection's air pipe and air nozzle, and air nozzle is installed on lifting plate, and installs the air pressure gauge on air pipe.

[0005] The technical effect of the scheme is: after positioning batch capacitor and placing on capacitor fixed disc, driving piece drives lifting plate to move downwards to make air nozzle and capacitor positive pole post injection hole butt joint, observes whether the air pressure of air pressure gauge changes after aeration to judge whether capacitor has side leakage, can realize batch detection airtightness of capacitor simultaneously, and realizes airtightness detection to different size, such as different height capacitor.

[0006] Preferably, as an improvement, the detection mechanism further includes a connector having a plurality of connection holes, and the connection holes are connected one by one with the air nozzles through the air pipes.

[0007] The technical effect of the scheme is: after the gas flows to the connector, it is divided into each air nozzle through each air pipe, which is conducive to the standard arrangement of the air pipe.

[0008] Preferably, as an improvement, the air pipe is provided with a pressure regulating valve.

[0009] The technical effect of the scheme is: inaccurate test pressure will affect the test data of the measured capacitor and a large number of defective products may be produced in the subsequent process, so the pressure can be controlled to 3MPa for detection by the pressure regulating valve.

[0010] Preferably, as an improvement, the capacitor fixing disc is detachably arranged on the base, and the capacitor fixing disc is arranged with positioning holes for placing capacitors in a matrix.

[0011] The technical effect of the scheme is that after the capacitor fixing disc is installed in place, the capacitor is placed in the positioning hole for detection, and the air nozzle is connected with the positive pole of the capacitor during the leakage detection process.

[0012] Preferably, as an improvement, the capacitor fixing disc is arranged with a sliding groove, and the base is arranged with a guide rail along the width direction of the base.

[0013] The technical effect of the scheme is that the capacitor fixing disc can be replaced according to the type of the capacitor.

[0014] Preferably, as an improvement, the driving member includes a motor, a lead screw and a guide rod, the motor and the guide rod are fixedly arranged on the base, the lead screw is connected with the output shaft of the motor, the lifting plate is threadedly connected with the lead screw and the lifting plate is slidably connected with the guide rod.

[0015] Preferably, as an improvement, the driving member includes a motor, a lead screw and a guide rod, the motor and the guide rod are fixedly arranged on the base, the lead screw is connected with the output shaft of the motor, the lifting plate is threadedly connected with the lead screw and the lifting plate is slidably connected with the guide rod.

[0016] Preferably, as an improvement, the driving member includes a motor, a lead screw and a guide rod, the motor and the guide rod are fixedly arranged on the base, the lead screw is connected with the output shaft of the motor, the lifting plate is threadedly connected with the lead screw and the lifting plate is slidably connected with the guide rod.

[0017] Preferably, as an improvement, the air nozzle is made of silica gel.

[0018] The technical effect of the scheme is that the capacitor can be better attached. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic view of the embodiment of the utility model;

[0020] Figure 2 It is a front view of the embodiment of the utility model. DETAILED DESCRIPTION

[0021] The following will be further described in detail through specific embodiments:

[0022] The reference signs in the drawings of the specification include: base 1, guide rod 2, guide rail 3, capacitor fixing disc 4, capacitor 5, air nozzle 6, air pipe 7, frame 8, side panel 9, connector 10, air pressure gauge 11.

[0023] The embodiment is basically as shown in the drawings: Figure 1 , 2 As shown in the drawings: Figure 1 , 2The capacitor airtightness detection equipment shown, including base 1, lifting mechanism, detection mechanism and shell, the shell includes frame 8 and the side panel 9 through bolt fixation in the frame 8 left and right two ends and the frame 8 rear side, the base 1 is bolted on the frame 8.

[0024] The base 1 is provided with capacitor fixing disc 4, specifically, the base 1 is bolted with guide rail 3 along its width direction, the capacitor fixing disc 4 is provided with sliding groove, the capacitor fixing disc 4 is slidably connected with the guide rail 3 through the sliding groove; the capacitor fixing disc 4 is provided with ten positioning holes for placing capacitor 5 in matrix, the positioning hole is the station.

[0025] The lifting mechanism includes lifting plate and driving part, the lifting plate is located above the capacitor fixing disc 4; the driving part is two groups, each is located at one end of the capacitor fixing disc 4, each group of driving part includes stepper motor, screw rod and guide rod 2, the stepper motor is bolted and installed on the base 1, the guide rod 2 is vertically arranged and welded with the base 1, the screw rod is threadedly connected with the lifting plate and coaxially connected with the output shaft of the motor, such as welding, the lifting plate is provided with through hole, the guide rod 2 passes through the through hole and the lifting plate is slidably connected with the guide rod 2.

[0026] The detection mechanism includes air source, connector 10 and ten air pipes 7 and ten air nozzles 6, the air source selects air compressor, the connector 10 is communicated with the air source, the connector 10 is provided with ten connecting holes, the connecting holes are connected with the air nozzles 6 one by one through the air pipes 7; the air pipe 7 is provided with air pressure gauge 11 and pressure regulating valve, the air nozzle 6 is installed on the lifting plate, the air nozzle 6 selects silica gel material.

[0027] The above is only the embodiment of the present application, the specific technical scheme and / or common knowledge of the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the technical scheme of the present application, a number of deformations and improvements can be made, which should be regarded as the protection scope of the present application, which will not affect the effect and practicability of the present application. The protection scope of the present application should be subject to the content of its claims, the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A capacitor hermeticity inspection apparatus, characterized by: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

2. The capacitor hermeticity inspection apparatus according to claim 1, characterized by: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

3. The capacitor hermeticity inspection apparatus according to claim 2, characterized by: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

4. The apparatus according to any one of claims 1 or 3, wherein: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

5. The capacitor hermeticity inspection apparatus according to claim 4, characterized by: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

6. The apparatus according to any one of claims 1 or 5, wherein: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

7. The capacitor hermeticity inspection apparatus according to claim 6, characterized by: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

8. The apparatus for detecting the hermeticity of a capacitor according to any one of claims 1 or 7, wherein: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.

9. The capacitor hermeticity inspection apparatus of claim 8, wherein: The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix. The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix. The capacitor fixing disc is detachably arranged on the base, and the positioning holes for placing capacitors are arranged on the capacitor fixing disc in a matrix.