CN217212997U - High-voltage discharge device for testing gas insulativity - Google Patents
High-voltage discharge device for testing gas insulativity Download PDFInfo
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- CN217212997U CN217212997U CN202220251214.6U CN202220251214U CN217212997U CN 217212997 U CN217212997 U CN 217212997U CN 202220251214 U CN202220251214 U CN 202220251214U CN 217212997 U CN217212997 U CN 217212997U
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Abstract
The utility model relates to a high-voltage discharge device for testing gas insulation. The device includes test platform, and the last vacuum test cavity that is equipped with of test platform is equipped with the air inlet connector on the vacuum test cavity and gives vent to anger the joint, is provided with first electrode pole and second electrode pole relatively on the vacuum test cavity, and the tip of first electrode pole is equipped with first electrode, and the tip of second electrode pole is equipped with the second electrode. The vacuum test cavity is provided with a first loading port for loading the first electrode rod, a vacuum corrugated pipe is arranged at the first loading port, and the vacuum corrugated pipe is hermetically connected with a first insulating sleeve outside the first electrode rod through a sleeve. And the test platform is provided with an adjusting structure for adjusting the first electrode rod to be close to or far away from the second electrode rod. Adjust the distance between first electrode and the second electrode trace through removing first electrode pole, not only can measure insulating gas's safe distance, be applicable to different insulating gas's test moreover, application scope is wide, has fine development prospect.
Description
Technical Field
The utility model relates to a gas insulation tests technical field, concretely relates to a high-pressure discharge equipment for testing gas insulation.
Background
Gas insulation has high breakdown field strength, and can quickly recover the insulation performance after breakdown, so that the insulation on many electrical equipment adopts gas insulation, such as metal closed combined electrical appliances, metal closed transmission lines, transformers, gas insulated pipelines and other electrical equipment. In order to ensure safe operation of electrical equipment, it is necessary to have a full understanding of the breakdown characteristics of the insulating gas and the corresponding breakdown mechanism.
The Chinese patent application with application publication number CN 110763968A discloses a full-angle visual gas breakdown testing system, which comprises a testing cavity formed by an upper cover, an organic glass tank body and a lower cover in a sealing mode, wherein an air inlet pipe and an air outlet pipe are arranged on the testing cavity, a copper core rod is arranged on the upper cover, an electrode insulator is arranged outside the copper core rod, and a high-voltage electrode is arranged at one end, extending into the testing cavity, of the copper core rod. The lower cover is provided with an electrode fixing piece, and the part of the electrode fixing piece sealed in the test cavity is provided with a flat copper electrode opposite to the high-voltage electrode. The organic glass jar body can supply the visual test of multi-angle, can cooperate high-speed camera to shoot the phenomenon of discharging.
However, the distance between the two electrodes of the above-mentioned test system is fixed, and the distance between the two electrodes is not adjustable in a small amount, so that the insulation performance breakdown test can be performed only for a specific distance of a specific gas, and the application range is greatly limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-voltage discharge device for testing gas insulation to solve between two electrodes that exist among the prior art the problem that the distance can not be adjusted and result in application scope to receive very big restriction.
In order to achieve the above object, the utility model discloses a high-voltage discharge device for testing gas insulation adopts following technical scheme: a high-voltage discharge device for testing gas insulativity comprises a test platform, a vacuum test cavity is arranged on the test platform, an air inlet joint and an air outlet joint are arranged on the vacuum test cavity, a first electrode rod and a second electrode rod are oppositely arranged on the vacuum test cavity, a first electrode is arranged at the end part of the first electrode rod extending into the vacuum test cavity, a second electrode is arranged at the end part of the second electrode rod extending into the vacuum test cavity, the vacuum test cavity is provided with a first loading port for loading a first electrode rod, a vacuum corrugated pipe is arranged at the first loading port on the outer wall of the vacuum test cavity, a first insulating sleeve is sleeved on the outer side of the first electrode rod, one end of the vacuum corrugated pipe, which is far away from the vacuum test cavity, is fixedly sealed and sleeved on the first insulating sleeve, and an adjusting structure for adjusting the first electrode rod to be close to or far away from the second electrode rod is arranged on the test platform.
The vacuum corrugated pipe is connected with a first vacuum pipe joint, and the vacuum corrugated pipe is connected to the first insulating sleeve through the first vacuum pipe joint in a sealing mode.
The vacuum test cavity comprises a barrel body, a barrel cover is detachably matched with the barrel body in a sealing mode, a transparent observation window is arranged on the barrel cover, and a transparent shooting window is arranged on the side wall of the barrel body.
The number of the transparent shooting windows is two and the transparent shooting windows are arranged oppositely, and each transparent shooting window is arranged along the horizontal radial direction perpendicular to the movement direction of the first electrode rod and is opposite to the first electrode and the second electrode.
The second electrode rod is sleeved with a second insulating sleeve, a second loading port for mounting a second electrode is formed in the vacuum testing cavity, a second vacuum pipe joint is arranged at the second loading port, and the second vacuum pipe joint is connected with the second insulating sleeve in a sealing mode.
The adjusting structure comprises a base, a first adjusting block is arranged on the base in a horizontal guiding mode along the moving direction of the first electrode rod, a first lead screw is arranged on the base in a rotating mode, the first lead screw is in threaded connection with the first adjusting block, and the first adjusting block is used for being connected with the first electrode rod through a connecting structure.
The connecting structure comprises a second adjusting block which is arranged on the first adjusting block in a guiding and moving mode along the moving direction of the first lead screw which is horizontally perpendicular to the first adjusting block, a second lead screw is arranged on the first adjusting block in a rotating mode, and the second lead screw is in threaded connection with the second adjusting block.
The electrode is characterized in that a third adjusting block is arranged on the second adjusting block in a guiding and moving mode along the vertical direction, a third lead screw is arranged on the second adjusting block in a rotating mode, the third lead screw is in threaded connection with the third adjusting block, an insulating rod is arranged at the end portion of the first electrode rod, and the insulating rod is connected with the third adjusting block.
Each lead screw is provided with a hand wheel or driven by a corresponding driving motor.
The utility model has the advantages that: can drive first electrode pole motion through adjusting the structure, vacuum bellows carries out corresponding flexible along with first electrode pole during first electrode pole motion, guarantees the sealing performance of vacuum test cavity, adjusts the distance between first electrode and the second electrode trace through removing first electrode pole, not only can measure insulating gas's safe distance, is applicable to different insulating gas's test moreover, and application scope is wide, and convenient to use has fine development prospect.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a high-voltage discharge device for testing gas insulation according to the present invention;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
fig. 6 is a schematic structural diagram of an electrode in a second embodiment of a high-voltage discharge device for testing gas insulation according to the present invention;
fig. 7 is a schematic structural diagram of an electrode in a third embodiment of a high-voltage discharge device for testing gas insulation according to the present invention.
Detailed Description
The utility model discloses an embodiment one for testing gas insulation's high voltage discharge device, as shown in fig. 1-5, including test platform 1, test platform 1 is last to be provided with base 2, is provided with vacuum test cavity 3 on the base, is provided with on the vacuum test cavity to admit air and connects 6 and give vent to anger and connect 8, admits air and is connected and is provided with manometer 7, still is provided with evacuation mouth 9 on the joint of giving vent to anger. The vacuum test cavity is oppositely provided with a first electrode rod 22 and a second electrode rod 23, and each electrode rod is a copper rod. The first electrode rod is provided with a first wire nose 15, and the second electrode rod is provided with a second wire nose 16. The end of the first electrode rod extending into the vacuum test cavity is provided with a first electrode 24, and the end of the second electrode rod extending into the vacuum test cavity is provided with a second electrode 25. The shape of the two electrodes in this embodiment is a disk-shaped electrode. The electrodes and the electrode rod are detachably connected and can adopt threaded connection.
The vacuum test cavity comprises a barrel body 4, a barrel cover 5 is detachably matched with the barrel body in a sealing mode, the barrel cover is hinged to the upper end of the barrel body, a handle 20 is arranged on the barrel cover, and the barrel cover is matched with the barrel body in a sealing mode and is connected with the barrel body through screws. The air inlet connector, the air outlet connector, the first electrode rod and the second electrode rod are all arranged on the barrel. A transparent viewing window 19 is provided in the lid. The side wall of the barrel is provided with a transparent shooting window 21 which is used for being matched with a high-speed camera. The number of the transparent shooting windows is two and the transparent shooting windows are arranged oppositely, and each transparent shooting window is arranged along the horizontal radial direction perpendicular to the movement direction of the first electrode rod and is opposite to the first electrode and the second electrode.
The vacuum testing cavity is provided with a first loading port for loading a first electrode rod, a vacuum corrugated pipe 11 is arranged at the first loading port on the outer wall of the vacuum testing cavity, a first insulating sleeve 10 is fixedly sleeved on the outer side of the first electrode rod, and one end of the vacuum corrugated pipe, far away from the vacuum testing cavity, is fixedly sleeved on the first insulating sleeve in a sealing manner. The vacuum bellows is connected with a first vacuum pipe joint 12, and the vacuum bellows is connected to the first insulating sleeve through the first vacuum pipe joint in a sealing mode. The second electrode rod 23 is sleeved with a second insulating sleeve 13, a second loading port for mounting a second electrode is formed in the vacuum testing cavity, a second vacuum pipe joint 14 is arranged at the second loading port, and the second vacuum pipe joint is connected with the second insulating sleeve in a sealing mode.
The test platform is provided with an adjusting structure 17 for adjusting the first electrode rod to approach or depart from the second electrode rod. The adjusting structure comprises a base 26, a first adjusting block 27 is installed on the base along the horizontal direction of the moving direction of the first electrode rod, a first lead screw 28 is arranged on the base in a rotating mode, the first lead screw is in threaded connection with the first adjusting block, and the first adjusting block is used for being connected with the first electrode rod through a connecting structure. The connecting structure comprises a second adjusting block 29 which is arranged on the first adjusting block in a guiding and moving mode along the direction which is horizontally perpendicular to the moving direction of the first lead screw, a second lead screw 30 is arranged on the first adjusting block in a rotating mode, and the second lead screw is in threaded connection with the second adjusting block. The second adjusting block is provided with a third adjusting block 31 which moves in an up-and-down direction, the second adjusting block is provided with a third lead screw 32 in a rotating mode, and the third lead screw is in threaded connection with the third adjusting block. The end of the first electrode rod is provided with an insulating rod 18, which is connected with a third adjusting block. Each lead screw is provided with a hand wheel 33.
When the electrode holder is used, the barrel cover is opened, the two electrodes are respectively connected to the corresponding electrode rods, and the barrel cover is covered and fixedly connected through screws. The vacuum pumping port is used for vacuum pumping, then tested gas is introduced through the gas inlet connector and the gas outlet connector, and the first wire nose and the second wire nose are used for being connected with a cable to achieve power-on or power-off between the two electrodes. The first electrode rod is driven to move towards the second electrode rod through the adjusting structure, distance micro-adjustment between the two electrodes is carried out, the insulating property of gas introduced under different distances can be tested, and then the safety distance of the insulating gas is measured. When different tested gases are aimed at, the steps are repeated, and the use is more convenient.
The second embodiment of the high-voltage discharge device for testing gas insulation of the present invention, as shown in fig. 6, is different from the first embodiment only in the shape of the electrode, and the two electrodes in this embodiment all adopt the electrodes with spherical structures.
The second embodiment of the high-voltage discharge device for testing gas insulation of the present invention, as shown in fig. 7, is different from the first embodiment only in the shape of the electrode, and in this embodiment, the two electrodes all adopt the electrodes of the needle-like structure.
In other embodiments of the present invention, each lead screw may not be provided with a hand wheel, and each lead screw is driven by a corresponding driving motor; each electrode and the electrode rod can also be connected in an inserting way; the electrodes and the electrode rods can also be arranged together in a tight fit manner; the connecting structure may have only the function of adjustment in the direction of the first electrode rod towards or away from the second electrode rod, without providing other two-directional adjustment.
Claims (9)
1. The utility model provides a high-voltage discharge device for testing gas insulation nature, includes test platform, the last vacuum test cavity that is provided with of test platform, the last air inlet joint that is provided with of vacuum test cavity and the joint of giving vent to anger, the last first electrode pole and the second electrode pole of being provided with relatively of vacuum test cavity, the tip that stretches into the inside first electrode pole of vacuum test cavity is provided with first electrode, the tip that stretches into the inside second electrode pole of vacuum test cavity is provided with second electrode, its characterized in that: be provided with the first loading mouth that supplies first electrode bar to pack into on the vacuum test cavity, be provided with the vacuum bellows in first loading mouth department on the vacuum test cavity outer wall, first electrode bar outside cover is equipped with first insulating sleeve, and the vacuum bellows is kept away from the one end fixed seal suit of vacuum test cavity and is sheathe in first insulating sleeve, is provided with the regulation structure that is used for adjusting first electrode bar and is close to or keeps away from towards the second electrode bar on the test platform.
2. The high-voltage discharge device for testing gas insulation according to claim 1, wherein: the vacuum corrugated pipe is connected with a first vacuum pipe joint, and the vacuum corrugated pipe is connected to the first insulating sleeve through the first vacuum pipe joint in a sealing mode.
3. The high-voltage discharge device for testing gas insulation according to claim 1, wherein: the vacuum test cavity comprises a barrel body, a barrel cover is detachably matched with the barrel body in a sealing mode, a transparent observation window is arranged on the barrel cover, and a transparent shooting window is arranged on the side wall of the barrel body.
4. The high-voltage discharge device for testing gas insulation according to claim 3, wherein: the number of the transparent shooting windows is two and the transparent shooting windows are arranged oppositely, and each transparent shooting window is arranged along the horizontal radial direction perpendicular to the movement direction of the first electrode rod and is opposite to the first electrode and the second electrode.
5. The high-voltage discharge device for testing gas insulation according to claim 1, wherein: the second electrode rod is sleeved with a second insulating sleeve, a second loading port for mounting a second electrode is formed in the vacuum testing cavity, a second vacuum pipe joint is arranged at the second loading port, and the second vacuum pipe joint is connected with the second insulating sleeve in a sealing mode.
6. The high-voltage discharge device for testing gas insulation according to any one of claims 1 to 5, wherein: the adjusting structure comprises a base, a first adjusting block is arranged on the base in a horizontal guiding mode along the moving direction of the first electrode rod, a first lead screw is arranged on the base in a rotating mode, the first lead screw is in threaded connection with the first adjusting block, and the first adjusting block is used for being connected with the first electrode rod through a connecting structure.
7. The high-voltage discharge device for testing gas insulation according to claim 6, wherein: the connecting structure comprises a second adjusting block which is arranged on the first adjusting block in a guiding and moving mode along the moving direction of the first lead screw which is horizontally perpendicular to the first adjusting block, a second lead screw is arranged on the first adjusting block in a rotating mode, and the second lead screw is in threaded connection with the second adjusting block.
8. The high-voltage discharge device for testing gas insulation according to claim 7, wherein: the electrode is characterized in that a third adjusting block is arranged on the second adjusting block in a guiding and moving mode along the vertical direction, a third lead screw is arranged on the second adjusting block in a rotating mode, the third lead screw is in threaded connection with the third adjusting block, an insulating rod is arranged at the end portion of the first electrode rod, and the insulating rod is connected with the third adjusting block.
9. The high-voltage discharge device for testing gas insulation according to claim 8, wherein: each lead screw is provided with a hand wheel or driven by a corresponding driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220251214.6U CN217212997U (en) | 2022-01-29 | 2022-01-29 | High-voltage discharge device for testing gas insulativity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220251214.6U CN217212997U (en) | 2022-01-29 | 2022-01-29 | High-voltage discharge device for testing gas insulativity |
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| CN217212997U true CN217212997U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220251214.6U Active CN217212997U (en) | 2022-01-29 | 2022-01-29 | High-voltage discharge device for testing gas insulativity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308553A (en) * | 2022-09-14 | 2022-11-08 | 常州博瑞电力自动化设备有限公司 | Gas insulation test equipment |
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2022
- 2022-01-29 CN CN202220251214.6U patent/CN217212997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308553A (en) * | 2022-09-14 | 2022-11-08 | 常州博瑞电力自动化设备有限公司 | Gas insulation test equipment |
| CN115308553B (en) * | 2022-09-14 | 2023-08-04 | 常州博瑞电力自动化设备有限公司 | Gas insulation test equipment |
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