CN211877316U - Device for detecting sealing performance of sealing element - Google Patents
Device for detecting sealing performance of sealing element Download PDFInfo
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- CN211877316U CN211877316U CN202020883913.3U CN202020883913U CN211877316U CN 211877316 U CN211877316 U CN 211877316U CN 202020883913 U CN202020883913 U CN 202020883913U CN 211877316 U CN211877316 U CN 211877316U
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Abstract
A device for detecting the sealing performance of a sealing element comprises a water tank, an inlet and outlet water pipe system, a power supply, a lead, a positive plate of the power supply, a voltage test point and a voltage detection system; the water inlet and outlet pipe system comprises a water outlet pipe and a water inlet pipe; the sealing element to be detected is placed in the water tank, the water outlet end of the water inlet pipe is connected with the water inlet end of the sealing element to be detected, and the water outlet end of the sealing element to be detected is connected with the water inlet end of the water outlet pipe; the positive power plate is arranged inside the liquid inlet end of the water inlet pipe and is electrically connected with the positive electrode of the power supply through a lead; the negative electrode of the power supply is electrically connected with the voltage detection system; the voltage test point is arranged at the bottom of the water tank and is electrically connected with the voltage detection system through a lead. In the utility model, the sealing performance of the plastic part is detected by adopting the conductivity of water, so that the leakage condition of the sealing element to be detected can be detected quickly; even if the sealing element to be detected has small leakage, the detection system can rapidly judge the leakage condition of the plastic part according to the size of the leaked voltage.
Description
Technical Field
The utility model relates to a detecting instrument technical field especially relates to a device for detecting sealing member sealing performance.
Background
At present, the tightness detection method for the sealing element mainly comprises air tightness detection, pressure difference detection, manual observation detection and the like.
For example, in the differential pressure method for detecting micro-leakage and the detection accuracy analysis (Gong from the Gong tree \ Von epitaxy) of the micro-leakage, a physical model and a mathematical model of the leakage are established aiming at the micro-leakage detection problem of the disc type hydraulic brake, a differential pressure type micro-leakage detection principle is provided based on the model, a detection error source is analyzed, and a corresponding error compensation method is provided.
However, the above method requires a long detection time, is not efficient, and is not suitable for rapid detection, and particularly, in the case where the sealing member has only a minute leak, it takes a long time to detect the sealing performance.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a device for detecting sealing member sealing performance can detect the leakage condition of treating the sealing member fast.
(II) technical scheme
In order to solve the problems, the utility model provides a device for detecting the sealing performance of a sealing element, which comprises a water tank, a water inlet and outlet pipe system, a power supply, a lead, a power positive plate, a voltage test point and a voltage detection system;
the water inlet and outlet pipe system comprises a water outlet pipe and a water inlet pipe; the sealing element to be detected is placed in the water tank, the water outlet end of the water inlet pipe is connected with the water inlet end of the sealing element to be detected, and the water outlet end of the sealing element to be detected is connected with the water inlet end of the water outlet pipe;
the positive power plate is arranged inside the liquid inlet end of the water inlet pipe and is electrically connected with the positive electrode of the power supply through a lead; the negative electrode of the power supply is electrically connected with the voltage detection system;
the voltage test point is arranged at the bottom of the water tank and is electrically connected with the voltage detection system through a lead
Preferably, the sealing member to be detected is an insulating plastic member.
The utility model adopts the conductivity of water to detect the sealing performance of the plastic part, and can quickly detect the leakage condition of the sealing element to be detected; even if the sealing element to be detected has small leakage, the detection system can rapidly judge the leakage condition of the plastic part according to the size of the leaked voltage.
The utility model discloses according to detection state and voltage detection system preset voltage limit value, acquire the testing result: when the voltage detected by the voltage detection system does not change or changes insignificantly, the sealing performance of the sealing element to be detected is judged to be good, and leakage does not occur; when the voltage detection system detects that the voltage in the water tank is increased and the increased value is smaller than the voltage limit value, judging that the sealing element to be detected has micro leakage, and leading the voltage in the sealing element to be detected into the water tank through the micro leakage water; and when the voltage increase value detected by the voltage detection system is larger than the voltage limit value, judging that the sealing member to be detected has leakage.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for detecting sealing performance of a sealing member according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the device for detecting the sealing performance of a sealing member according to the present invention includes a water tank 3, an inlet and outlet water pipe system, a power supply 6, a lead, a positive power plate 4, a voltage test point 5, and a voltage detection system 7;
the water inlet and outlet pipe system comprises a water outlet pipe 1 and a water inlet pipe 2; the sealing element to be detected is placed in the water tank 3, the water outlet end of the water inlet pipe 2 is connected with the water inlet end of the sealing element to be detected, and the water outlet end of the sealing element to be detected is connected with the water inlet end of the water outlet pipe 1;
the positive power plate 4 is arranged inside the liquid inlet end of the water inlet pipe 2, and the positive power plate 4 is electrically connected with the positive electrode of the power supply 6 through a lead; the negative electrode of the power supply 6 is electrically connected with the voltage detection system 7;
the voltage test point 5 is arranged at the bottom of the water tank, and the voltage test point 5 is electrically connected with the voltage detection system 7 through a lead.
In an alternative embodiment, the seal to be tested is a plastic piece.
The utility model discloses in, can detect the leakage condition of waiting to detect the sealing member fast.
In an alternative embodiment, a method for testing the sealing performance of a seal is provided, the testing method comprising the steps of:
s1: water is filled in the sealing element to be detected; applying a forward voltage inside the sealing element to be detected;
s2: soaking a sealing element to be detected in a water tank 3, leading the voltage in the water tank 3 to a voltage test point 5, and detecting the voltage in the water tank 3 by a voltage detection system 7 through the voltage test point 5;
s3: according to the detection state and the preset voltage limit value of the voltage detection system 7, obtaining a detection result:
when the voltage detected by the voltage detection system 7 is not changed or the change is not obvious, the sealing performance of the sealing element to be detected is judged to be good, and leakage does not occur;
when the voltage detection system 7 detects that the voltage in the water tank 3 is increased and the increased value is smaller than the voltage limit value, the sealing element to be detected is judged to have micro leakage, and the voltage in the sealing element to be detected is led into the water tank 3 through the micro leakage water;
when the voltage increase value detected by the voltage detection system 7 is larger than the voltage limit value, the leakage of the sealing member to be detected is judged.
The utility model discloses in, the sealing performance of the conductivity detection working of plastics of water, even wait to detect the sealing member as long as there is small leakage, detecting system also can judge the leakage condition of working of plastics rapidly according to the size of the voltage of leaking.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (2)
1. A device for detecting the sealing performance of a sealing element is characterized by comprising a water tank (3), an inlet and outlet water pipe system, a power supply (6), a lead, a positive power supply plate (4), a voltage test point (5) and a voltage detection system (7);
the water inlet and outlet pipe system comprises a water outlet pipe (1) and a water inlet pipe (2); the sealing element to be detected is placed in the water tank (3), the water outlet end of the water inlet pipe (2) is connected with the water inlet end of the sealing element to be detected, and the water outlet end of the sealing element to be detected is connected with the water inlet end of the water outlet pipe (1);
the positive power plate (4) is arranged inside the liquid inlet end of the water inlet pipe (2), and the positive power plate (4) is electrically connected with the positive electrode of the power supply (6) through a lead; the negative electrode of the power supply (6) is electrically connected with the voltage detection system (7);
the voltage test point (5) is arranged at the bottom of the water tank, and the voltage test point (5) is electrically connected with the voltage detection system (7) through a lead.
2. The device for testing the sealing performance of a sealing element according to claim 1, wherein the sealing element to be tested is an insulating plastic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883913.3U CN211877316U (en) | 2020-05-22 | 2020-05-22 | Device for detecting sealing performance of sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883913.3U CN211877316U (en) | 2020-05-22 | 2020-05-22 | Device for detecting sealing performance of sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211877316U true CN211877316U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020883913.3U Active CN211877316U (en) | 2020-05-22 | 2020-05-22 | Device for detecting sealing performance of sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211877316U (en) |
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2020
- 2020-05-22 CN CN202020883913.3U patent/CN211877316U/en active Active
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