CN217845530U - Aluminum electrolytic capacitor air tightness testing device - Google Patents
Aluminum electrolytic capacitor air tightness testing device Download PDFInfo
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- CN217845530U CN217845530U CN202221449650.0U CN202221449650U CN217845530U CN 217845530 U CN217845530 U CN 217845530U CN 202221449650 U CN202221449650 U CN 202221449650U CN 217845530 U CN217845530 U CN 217845530U
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Abstract
The utility model is suitable for the technical field of capacitance detection equipment, and provides an air tightness testing device of an aluminum electrolytic capacitor; the aluminum electrolytic capacitor airtightness testing device comprises: a heating device, a container and a temperature detection component; the container is filled with detection liquid for detection, the heating device is used for heating the container, and the temperature detection component is used for detecting the temperature of the detection liquid in the container; the detection liquid is glycerol. The utility model provides a capacitor air tightness testing device and method which can reduce errors and improve the testing accuracy; the damage to the capacitor body is reduced, and the product cannot be damaged in the test; the glycerol is used, so that the test accuracy is improved; and the temperature detection part is used for controlling the test temperature in real time, so that the test stability is improved.
Description
Technical Field
The utility model relates to a capacitance detection equipment technical field specifically is an aluminium electrolytic capacitor gas tightness testing arrangement.
Background
The prior air tightness test method of the prior art department is as follows: placing the capacitor into a beaker filled with red ink, standing for 5min in a vacuum-90 kpa environment, and taking out and drying; disassembling the dried capacitor and checking whether the red ink permeates into the capacitor; if the red ink permeates into the capacitor, the air tightness NG is judged; however, this approach is inefficient for capacitors in the event of irreparable damage to the electronics caused by the incoming water; the surface tension of water is large, and water molecules are likely to block leakage, so that test errors can be caused; the air tightness testing device for the aluminum electrolytic capacitor is provided in order to solve the technical problem by excessively depending on manual judgment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aluminium electrolytic capacitor gas tightness testing arrangement to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an aluminum electrolytic capacitor airtightness testing device, comprising: a heating device, a container and a temperature detection component; the container is filled with detection liquid for detection, the heating device is used for heating the container, and the temperature detection component is used for detecting the temperature of the detection liquid in the container; the detection liquid is glycerol.
As a further aspect of the present invention: the heating device comprises a heating resistor.
As a further aspect of the present invention: the container is a glass container.
As a further aspect of the present invention: the temperature detection component is arranged in the container in a hanging mode and can be arranged in the container in a hanging mode through the support.
As the utility model discloses further scheme again: the support is fixedly arranged on the base, and the end part of the support is arranged in the container.
Compared with the prior art, the beneficial effects of the utility model are that: the capacitor air tightness testing device and method for reducing errors and improving testing accuracy are provided; the damage to the capacitor body is reduced, and the product cannot be damaged in the test;
the glycerol is used, so that the test accuracy is improved; and the temperature detection part is used for controlling the test temperature in real time, so that the test stability is improved.
Drawings
Fig. 1 is a schematic structural diagram of an aluminum electrolytic capacitor airtightness testing device.
In the figure: 1-heating device, 2-bracket, 3-temperature detecting component, 4-container, 5-base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, in embodiment 1 of the present invention, for a structure diagram of an aluminum electrolytic capacitor airtightness testing apparatus provided in an embodiment of the present invention, the aluminum electrolytic capacitor airtightness testing apparatus includes: a heating device 1, a container 4 and a temperature detection member 3; the container 4 is filled with a detection liquid, the heating device 1 is used for heating the container 4, and the temperature detection component 3 is used for detecting the temperature of the detection liquid in the container 4.
Specifically, the detection liquid in the container 4 is heated to a specified temperature through the heating device 1, the aluminum electrolytic capacitor is placed in the container 4, the temperature of the product rises, the gas in the product of the capacitor expands, and if the gas tightness of the capacitor is poor, the gas overflows in an oil bath to form continuous small bubbles, so that the gas tightness of the capacitor is tested.
The detection liquid is glycerol. The surface tension of the glycerol is smaller than that of water, the boiling point of the glycerol is higher than that of the water, the glycerol is not easy to volatilize, and the temperature is more stable.
The utility model provides a capacitor air tightness testing device and method which can reduce the error and improve the testing accuracy;
the utility model reduces the damage to the capacitor body, and the product can not be damaged in the test;
the utility model uses glycerin, which improves the accuracy of the test;
the utility model discloses use temperature-sensing probe real-time control test temperature, improve test stability.
As another preferred embodiment of the present invention, the heating device 1 may be a heating resistor or an induction cooker. The container 4 may be a glass container.
As another preferred embodiment of the present invention, the temperature detecting component 3 is suspended inside the container 4, and the temperature detecting component 3 can be suspended in the container 4 through the bracket 2. Avoiding contact with the walls of the container 4. The temperature detection part 3 may be a temperature sensor.
As another preferred embodiment of the present invention, the support 2 is fixedly mounted on the base 5, the end of the support 2 is disposed inside the container 4, so that the temperature detecting component 3 is suspended in the container 4.
The utility model discloses a theory of operation is:
the container 4 is filled with a proper amount of glycerin, the surface tension of the glycerin is smaller than that of water, the boiling point of the glycerin is higher than that of the water, the glycerin is not easy to volatilize, and the temperature is more stable. When the aluminum electrolytic capacitor is placed in glycerol at 150 ℃, the temperature of the product rises, gas inside the product of the capacitor expands, and if the air tightness of the capacitor is poor, the gas overflows in an oil bath to form continuous small bubbles, so that the air tightness of the capacitor is tested.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The aluminum electrolytic capacitor airtightness testing device is characterized by comprising: a heating device, a container and a temperature detection component; the container is filled with detection liquid for detection, the heating device is used for heating the container, and the temperature detection component is used for detecting the temperature of the detection liquid in the container; the detection liquid is glycerol.
2. The aluminum electrolytic capacitor airtightness testing apparatus according to claim 1, wherein the heating means includes a heating resistor.
3. The aluminum electrolytic capacitor airtightness testing apparatus according to claim 1, wherein the container is a glass container.
4. The aluminum electrolytic capacitor airtightness testing device according to claim 1, wherein the temperature detection member is provided in a suspended manner inside the container, and the temperature detection member can be provided in the container in a suspended manner through a bracket.
5. The aluminum electrolytic capacitor airtightness testing apparatus according to claim 4, wherein the support is fixedly mounted on the base, and the end of the support is disposed inside the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221449650.0U CN217845530U (en) | 2022-06-11 | 2022-06-11 | Aluminum electrolytic capacitor air tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221449650.0U CN217845530U (en) | 2022-06-11 | 2022-06-11 | Aluminum electrolytic capacitor air tightness testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217845530U true CN217845530U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221449650.0U Active CN217845530U (en) | 2022-06-11 | 2022-06-11 | Aluminum electrolytic capacitor air tightness testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217845530U (en) |
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2022
- 2022-06-11 CN CN202221449650.0U patent/CN217845530U/en active Active
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