CN217238276U - Organic silicon gel breakdown voltage detection device - Google Patents
Organic silicon gel breakdown voltage detection device Download PDFInfo
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- CN217238276U CN217238276U CN202220782934.5U CN202220782934U CN217238276U CN 217238276 U CN217238276 U CN 217238276U CN 202220782934 U CN202220782934 U CN 202220782934U CN 217238276 U CN217238276 U CN 217238276U
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Abstract
The utility model discloses an organosilicon gel breakdown voltage detection device, when detecting the breakdown voltage of organosilicon gel, need arrange detection device in transformer oil and detect, including the mounting bracket, the setting is on the mounting bracket and two electrodes of variation in size and setting are on the mounting bracket and be used for adjusting the regulation structure of interval between two electrodes, can be through the interval of adjusting two electrodes of structure control for the extrusion deformation that organosilicon gel sample received on the thickness direction is controllable, can test the sample test sheet of different thickness, can extrude the sample test sheet of different thickness into same thickness, be favorable to obtaining accurate breakdown voltage numerical value and calculation electric breakdown strength.
Description
Technical Field
The utility model relates to an organosilicon technical field especially relates to an organosilicon gel breakdown voltage detection device.
Background
With the continuous development of electronic industry technology, electronic modules tend to be miniaturized and have high power, so that the requirements on gel materials for electronic elements are higher and higher, and the organic silicon gel has the advantages of insulation, heat conduction, high temperature resistance, aging resistance and the like as an important electronic packaging material, and is an essential packaging material.
At present, the surface breakdown voltage strength of the organic silicon gel material mainly adopts a solid insulating material electrical strength testing machine, but the existing electrical strength testing machine is difficult to realize the testing accuracy, which mainly comprises the following steps: the formed and cured organic silicon gel has good ductility, when a conventional electrical strength tester is used for detection, an organic silicon gel sample is positioned between metal electrodes at the upper position and the lower position, the metal electrodes above the organic silicon gel sample can extrude the organic silicon gel sample under the action of gravity, so that the organic silicon gel sample has large deformation in the thickness direction, the actual thickness during the test cannot be accurately estimated, the uncertainty of the thickness during the test process influences the test value of the breakdown voltage to a certain extent, and when the breakdown voltage strength is calculated, the test result between samples with thickness difference cannot be accurately estimated due to the inaccuracy of the actual thickness, and the test significance is lost. Meanwhile, the data obtained by detecting the electrical properties of the obtained organic silicon gel has larger discreteness and inaccurate result, and is not suitable for the tests of evaluating the properties of the organic silicon gel, such as surface breakdown voltage strength and the like. Therefore, it is highly desirable to design a device suitable for detecting the electrical breakdown strength of silicone gel.
The utility model discloses just make based on above-mentioned condition.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides one kind and can adjust the interval between the two electrodes for the organic silicon gel sample extrusion deformation that receives is controllable in the thickness direction, thereby can accurately test out organic silicon gel breakdown voltage detection device of organic silicon gel sample electric breakdown performance.
The utility model discloses a realize through following technical scheme:
the utility model provides an organic silicon gel breakdown voltage detection device, when the breakdown voltage that detects organic silicon gel, need arrange detection device in transformer oil and detect, include the mounting bracket, set up on the mounting bracket and two electrodes of variation in size and set up on the mounting bracket and be used for adjusting the regulation structure of interval between two electrodes.
The device for detecting the breakdown voltage of the organic silicon gel comprises a mounting frame, a first mounting plate, a second mounting plate and a guide rail arranged between the first mounting plate and the second mounting plate.
According to the organic silicon gel breakdown voltage detection device, the adjusting structure comprises the movable plate which is arranged on the guide rail and can slide along the guide rail and the pushing structure for pushing the movable plate, and the two electrodes are respectively arranged on the first mounting plate and the movable plate.
According to the organic silicon gel breakdown voltage detection device, the first mounting plate and the movable plate are vertically placed in the transformer oil, and the movable plate moves transversely to adjust the distance between the two electrodes.
According to the device for detecting the breakdown voltage of the organic silicon gel, the pushing structure comprises the pressing frame arranged on the movable plate and the screw rod in threaded connection with the second mounting plate.
According to the organic silicon gel breakdown voltage detection device, one end of the screw rod is rotatably connected to the pressing frame, and the screw rod is provided with the limiting part for limiting the screw rod to exit from the pressing frame.
According to the organic silicon gel breakdown voltage detection device, the first mounting plate and the movable plate are provided with mounting grooves for embedding and mounting the electrodes, and a gap exists between the wall of the mounting groove and the electrodes.
According to the device for detecting the breakdown voltage of the organic silicon gel, two opposite side surfaces of the two electrodes are respectively flush with the inner side surface of the first mounting plate and the inner side surface of the movable plate.
According to the organic silicon gel breakdown voltage detection device, the two electrodes are respectively provided with the electrode connector lug penetrating through the first mounting plate and the movable plate, and the mounting frame is provided with the graduated scale for measuring the distance between the two electrodes.
According to the device for detecting the breakdown voltage of the organic silicon gel, the mounting frame, the adjusting structure, the limiting part and the graduated scale are all made of insulating materials.
Compared with the prior art, the utility model discloses there is following advantage:
1. the distance between the two electrodes can be controlled by adjusting the structure, so that the extrusion deformation of the organic silicon gel sample in the thickness direction can be controlled, the sample test sheets with different thicknesses can be tested, the sample test sheets with different thicknesses can be extruded to be the same thickness, and the accurate breakdown voltage value and the calculated electric breakdown strength can be obtained.
2. A gap exists between the groove wall of the mounting groove and the electrodes, so that the two electrodes are fully soaked in the transformer oil medium, and the measurement result is prevented from being influenced by the contact with other parts.
3. Two opposite side surfaces of the two electrodes are respectively flush with the inner side surface of the first mounting plate and the inner side surface of the movable plate, so that the two electrodes can better extrude a test sample and regulate and control the deformation of the test sample in the thickness direction.
4. The mounting frame is provided with a graduated scale for measuring the distance between the two electrodes, so that the thickness of the test sample during detection is measured.
5. The mounting rack, the adjusting structure, the limiting block and the graduated scale are made of insulating materials, and the safety of the device is improved.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in FIGS. 1 to 2, when the breakdown voltage of the silicone gel 1 is detected, the detection device needs to be placed in transformer oil for detection, and the detection device comprises a mounting rack 2, two electrodes 3 which are arranged on the mounting rack 2 and have different sizes, and an adjusting structure which is arranged on the mounting rack 2 and is used for adjusting the distance between the two electrodes 3.
Two electrodes 3 symmetry sets up on mounting bracket 2, through the interval of adjusting two electrodes 3 of structure control for the extrusion deformation that 1 sample of organosilicon gel received on the thickness direction is controllable, can test the sample test piece of different thickness, can extrude the sample test piece of different thickness into same thickness, is favorable to obtaining accurate breakdown voltage numerical value and calculates the electric breakdown strength.
The mounting bracket 2 includes a first mounting plate 21, a second mounting plate 22, and a guide rail 23 provided between the first mounting plate 21 and the second mounting plate 22. The adjusting structure comprises a movable plate 24 which is arranged on the guide rail 23 and can slide along the guide rail 23 and a pushing structure for pushing the movable plate 24, the two electrodes 3 are respectively arranged on the first mounting plate 21 and the movable plate 24, and the movable plate 24 is pushed by the pushing structure to slide along the guide rail 23, so as to adjust the distance between the two electrodes 3.
In one embodiment, the first mounting plate 21 and the second mounting plate 22 are rectangular, so that the detection device can be placed more stably, and the guide rails 23 are 4 and are respectively connected to 4 corners of the first mounting plate 21 and the second mounting plate 22, so that the movable plate 24 slides along the guide rails 23 more stably.
The pushing structure comprises a pressing frame 41 arranged on the movable plate 24 and a screw rod 42 which is in threaded connection with the second mounting plate 22. One end of the screw rod 42 is rotatably connected to the pressing frame 41, and a limiting member 8 for limiting the screw rod 42 to exit from the pressing frame 41 is arranged on the screw rod 42. The pressing frame 41 is U-shaped and fixed on the movable plate 24 by screws made of insulating materials, and the screw rod 42 is screwed to change the position of the movable plate 24, so that the movable plate 24 moves more stably, the pushing point of the screw rod 42 should be as close to the symmetric center of the movable plate 24 as possible, the pressing frame 41 is pushed by the screw rod 42 to push the movable plate 24, and the screw rod 42 is prevented from pushing against the terminal of the electrode 3. The stop member 8 may be a nut or a pin made of an insulating material.
The screw rod 42 is further provided with a locking nut 9 for locking the screw rod 42 after the movable plate 24 moves to the designated position, and the locking nut 9 is tightened to further limit the screw rod 42 to rotate outwards, so that the position of the electrode 3 is limited to move during testing, and the accuracy of the detection of the sample test piece is further influenced.
The first mounting plate 21 and the movable plate 24 are provided with mounting grooves for embedding and mounting the electrodes 3, and a gap 5 is formed between the wall of the mounting groove and the electrodes 3. The two electrodes 3 can be fully soaked in the transformer oil medium, and the influence on the measurement result caused by the contact with other parts is avoided. Two opposite side surfaces of the two electrodes 3 are respectively flush with the inner side surface of the first mounting plate 21 and the inner side surface of the movable plate 24. The two electrodes 3 can better press the test sample and regulate and control the deformation of the test sample in the thickness direction.
In one embodiment, the material of the two electrodes 3 is brass, the two electrodes 3 are made into a cylindrical shape, and the axes of the two electrodes 3 are in a straight line.
The two electrodes 3 are respectively provided with electrode terminals 6 penetrating the first mounting plate 21 and the movable plate 24. A voltage is generated by switching the two electrodes 3 into a circuit.
Be equipped with the scale 7 that is used for measuring interval between two electrodes 3 on the mounting bracket 2 to measure the thickness of test sample when detecting, also can adjust according to the interval of two electrodes 3 of thickness that scale 7 measured simultaneously.
In one embodiment, the first mounting plate 21 and the movable plate 24 are placed in the transformer oil in a standing manner, and the movable plate 24 moves laterally to adjust the distance between the two electrodes 3, so that the influence of gravity on the thickness direction of the silicone gel sample is avoided.
In another embodiment, the first mounting plate 21 and the movable plate 24 are placed in the transformer oil transversely, the movable plate 24 moves vertically to adjust the distance between the two electrodes 3, and the movable plate 24 pulls the upper electrode 3, so that the influence of the gravity of the electrode 3 on the thickness direction of the silicone gel sample is avoided.
Thereby the security of installation frame 2, regulation structure, locating part 8 and scale 7 are made by insulating material and have improved the device. The insulating material may be aramid fiber, glass fiber, insulating resin, or the like.
Claims (10)
1. The utility model provides an organic silicon gel breakdown voltage detection device, when detecting the breakdown voltage of organic silicon gel (1), need place detection device in transformer oil and detect which characterized in that: the electrode adjusting device comprises an installation frame (2), two electrodes (3) which are arranged on the installation frame (2) and have different sizes, and an adjusting structure which is arranged on the installation frame (2) and is used for adjusting the distance between the two electrodes (3).
2. The silicone gel breakdown voltage detection device of claim 1, wherein: the mounting frame (2) comprises a first mounting plate (21), a second mounting plate (22) and a guide rail (23) arranged between the first mounting plate (21) and the second mounting plate (22).
3. The silicone gel breakdown voltage detection device of claim 2, characterized in that: the adjusting structure comprises a movable plate (24) which is arranged on the guide rail (23) and can slide along the guide rail (23) and a pushing structure for pushing the movable plate (24), and the two electrodes (3) are respectively arranged on the first mounting plate (21) and the movable plate (24).
4. The silicone gel breakdown voltage detection device of claim 3, wherein: the first mounting plate (21) and the movable plate (24) are vertically placed in the transformer oil, and the movable plate (24) moves transversely to adjust the distance between the two electrodes (3).
5. The silicone gel breakdown voltage detection device of claim 4, wherein: the pushing structure comprises a pressing frame (41) arranged on the movable plate (24) and a screw rod (42) in threaded connection with the second mounting plate (22).
6. The silicone gel breakdown voltage detection device of claim 5, wherein: one end of the screw rod (42) is rotatably connected to the pressing frame (41), and a limiting part (8) used for limiting the screw rod (42) to exit from the pressing frame (41) is arranged on the screw rod (42).
7. The silicone gel breakdown voltage detection device of claim 3, wherein: the electrode mounting structure is characterized in that mounting grooves for enabling the electrodes (3) to be embedded and mounted are formed in the first mounting plate (21) and the movable plate (24), and gaps (5) exist between the groove walls of the mounting grooves and the electrodes (3).
8. The silicone gel breakdown voltage detection device of claim 7, wherein: two opposite side surfaces of the two electrodes (3) are respectively flush with the inner side surface of the first mounting plate (21) and the inner side surface of the movable plate (24).
9. The silicone gel breakdown voltage detection device of claim 7, wherein: two electrodes (3) on be equipped with electrode connector lug (6) that run through first mounting panel (21) and fly leaf (24) respectively, be equipped with scale (7) that are used for measuring interval between two electrodes (3) on mounting bracket (2).
10. A silicone gel breakdown voltage detection apparatus as claimed in any one of claims 1 to 9, wherein: the mounting rack (2), the adjusting structure, the limiting part (8) and the graduated scale (7) are all made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220782934.5U CN217238276U (en) | 2022-04-06 | 2022-04-06 | Organic silicon gel breakdown voltage detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220782934.5U CN217238276U (en) | 2022-04-06 | 2022-04-06 | Organic silicon gel breakdown voltage detection device |
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| CN217238276U true CN217238276U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220782934.5U Active CN217238276U (en) | 2022-04-06 | 2022-04-06 | Organic silicon gel breakdown voltage detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129804A (en) * | 2023-05-11 | 2023-11-28 | 国网安徽省电力有限公司马鞍山供电公司 | Epoxy resin electrical property testing device |
-
2022
- 2022-04-06 CN CN202220782934.5U patent/CN217238276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117129804A (en) * | 2023-05-11 | 2023-11-28 | 国网安徽省电力有限公司马鞍山供电公司 | Epoxy resin electrical property testing device |
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