CN214068581U - Vacuum oil injection device for capacitor - Google Patents
Vacuum oil injection device for capacitor Download PDFInfo
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- CN214068581U CN214068581U CN202023125075.2U CN202023125075U CN214068581U CN 214068581 U CN214068581 U CN 214068581U CN 202023125075 U CN202023125075 U CN 202023125075U CN 214068581 U CN214068581 U CN 214068581U
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- oiling
- capacitor
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Abstract
The utility model discloses a condenser vacuum oiling device, including the vacuum vessel, be connected with the exhaust tube on the vacuum vessel, be provided with the oil groove among the vacuum vessel, be connected with defeated oil pipe on the oil groove, be connected with a plurality of notes oil pipe on the oil groove, be connected with the notes oil valve on the notes oil pipe, still include transition pipe, the one end of transition pipe is used for connecting the oiling mouth on the condenser, and the other end of transition pipe is used for connecting notes oil pipe, is connected with an album oil cover on the transition pipe, and the transition pipe passes an album oil cover. The utility model discloses an insulating oil that overflows in capacitor case can be collected to the collection oil cover to the insulating oil that makes to overflow can reuse, has reduced the waste of insulating oil.
Description
Technical Field
The utility model relates to a condenser makes technical field, in particular to condenser vacuum oiling device.
Background
The capacitor is a protruding foil type element formed by winding and flattening a polypropylene film and a soft aluminum foil, a plurality of elements and insulating pieces are packed into a plurality of cores by packing belts according to different technical requirements, then connecting pieces or cooling water pipes are welded on the end surfaces of the elements in a tin soldering mode, and the elements can be put into a rectangular oil tank body formed by bending a metal plate, and then the capacitor is vacuumized and filled with capacitor insulating oil.
As shown in fig. 1, the existing vacuum oil injection device for the capacitor comprises a vacuum container 1, an air exhaust pipe 3 is connected to a vacuum container 2, the air exhaust pipe is connected to an air exhaust pump, an oil groove 5 is arranged in the vacuum container, an oil delivery pipe 4 is connected to the oil groove 5, the oil delivery pipe 4 penetrates through the vacuum container, a plurality of oil injection pipes 6 are connected to the oil groove, and oil injection valves 7 are connected to the oil injection pipes 6. When carrying out the vacuum oiling to the condenser, put into vacuum vessel earlier the condenser, then on being connected to the oiling mouth on the condenser with the one end of notes oil pipe, then open the oiling valve, close vacuum vessel, pump into vacuum vessel through the exhaust tube, then input insulating oil to the oil groove in through defeated oil pipe, insulating oil pours into the condenser into through notes oil pipe into, after the condenser is filled with oil, normal atmospheric pressure resumes in the vacuum vessel, opens vacuum vessel, closes the oiling valve to pull out the oil pipe from the oil filler point on the condenser. The vacuum oil injection device for the capacitor has the advantages of simple and convenient operation and capability of meeting the requirement of higher vacuum degree, but the device has the following defects when in use: because the welding that bends by the metal sheet during capacitor case forms, capacitor case can outwards expand under vacuum state, lead to capacitor case inside volume under vacuum state to be greater than the internal volume under the normal atmospheric pressure state, this just leads to capacitor case to fill insulating oil in vacuum state after, when atmospheric pressure in the vacuum container resumes normal atmospheric pressure and pulls out the oiling pipe, capacitor case can resume normal state, lead to capacitor case internal volume to dwindle, unnecessary insulating oil just can spill over from the oiling mouth and flow to the vacuum container in the capacitor case like this, this just leads to insulating oil to have great waste.
Disclosure of Invention
The invention aims to solve the problem that when an existing vacuum oil injection device for a capacitor is used and an oil injection pipe is pulled out after the capacitor is filled with insulating oil, the insulating oil in a shell of the capacitor overflows from an oil injection port to cause insulating oil waste, and provides the vacuum oil injection device for the capacitor, which can effectively solve the problem.
The utility model aims at realizing through the following technical scheme: the utility model provides a condenser vacuum oiling device, includes the vacuum vessel, is connected with the exhaust tube on the vacuum vessel, is provided with the oil groove in the vacuum vessel, is connected with defeated oil pipe on the oil groove, is connected with a plurality of notes oil pipe on the oil groove, is connected with the notes oil valve on the notes oil pipe, still includes the transition pipe, and the one end of transition pipe is used for connecting the oiling mouth on the condenser, and the other end of transition pipe is used for connecting notes oil pipe, is connected with an album oil cover on the transition pipe, and the transition pipe passes an album oil cover.
The utility model discloses when using, connect the one end of transition pipe on the oiling mouth of condenser earlier, make the opening of collection oil cover up, then put into the vacuum vessel with the condenser, it links to each other to manage with the oiling, close the vacuum vessel, take out into the vacuum state in with the vacuum vessel, then fill in insulating oil to the condenser, the back is accomplished in the oiling, resume normal atmospheric pressure in the vacuum vessel, open the vacuum vessel, close the oiling valve, and pull out the oiling pipe from the transition pipe, unnecessary insulating oil can spill over from the last port of transition pipe and flow to in the collection oil cover in the capacitor case this moment, then take off from the oiling mouth with the transition pipe, the insulating oil of collecting in the collection oil cover can reuse. The utility model discloses an insulating oil that overflows in capacitor case can be collected to the collection oil cover to the insulating oil that makes to overflow can reuse, has reduced the waste of insulating oil.
Preferably, the oil extractor further comprises an oil collecting device, wherein the oil collecting device comprises an oil collecting tank, a vacuum pump and a main oil pumping pipe, the vacuum pump is connected with the oil collecting tank through a connecting pipe, one end of the main oil pumping pipe is connected with the oil collecting tank, the other end of the main oil pumping pipe extends into the vacuum container, the main oil pumping pipe is connected with an oil pumping valve, the main oil pumping pipe is connected with a plurality of branch oil pumping pipes, and the branch oil pumping pipes are connected with the bottom of the oil collecting hood. When the overflowed insulating oil flows into the oil collecting cover, the oil pumping valve is opened, and the vacuum pump is opened, so that the insulating oil in the oil collecting cover can flow into the oil collecting tank for storage through the oil pumping branch pipe and the oil pumping main pipe under the action of the vacuum pump, and the overflowed insulating oil is convenient to collect.
Preferably, the oil collecting tank is connected with an oil outlet pipe, and the oil outlet pipe is connected with an oil outlet valve. The oil outlet pipe is arranged on the oil collecting tank, so that the insulating oil in the oil collecting tank can be conveniently taken out.
Preferably, the upper end of the transition pipe is provided with an upper threaded joint, the lower end of the transition pipe is provided with a lower threaded joint, and one end, away from the oil groove, of the oil injection pipe is provided with a threaded pipe joint matched with the upper threaded joint. Be provided with the internal thread on the inner wall of the oil filler point of condenser, lower screwed joint threaded connection on the transition pipe is in the oil filler point, and last screwed joint on the transition pipe links to each other with the screwed pipe joint of notes oil pipe.
Preferably, the side surface of the transition pipe is provided with a flange, and the lower end surface of the flange is provided with a sealing ring. When the transition pipe is connected to the oil filler port of the capacitor, the seal ring of the flange provided on the lower end face of the flange can be brought into close contact with the surface of the capacitor case, thereby improving the sealability of the connection.
Preferably, the seal ring is made of rubber.
The utility model has the advantages that: the utility model discloses an insulating oil that overflows in capacitor case can be collected to the collection oil cover to the insulating oil that makes to overflow can reuse, has reduced the waste of insulating oil.
Drawings
Fig. 1 is a schematic structural view of a conventional vacuum oiling device for a capacitor.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of a transition duct.
In the figure: 1. the device comprises a capacitor, 2, a vacuum container, 3, an air exhaust pipe, 4, an oil delivery pipe, 5, an oil groove, 6, an oil injection pipe, 7, an oil injection valve, 8, a transition pipe, 9, an oil collection cover, 10, an oil pumping branch pipe, 11, an oil pumping main pipe, 12, an oil pumping valve, 13, an oil collection tank, 14, an oil outlet pipe, 15, an oil outlet valve, 16, a vacuum pump, 17, a connecting pipe, 18, a flange, 19 and a sealing ring.
Detailed Description
The invention will be further described with reference to the following detailed description and accompanying drawings.
Example 1:
as shown in fig. 1 to 3, the vacuum oil filling device for the capacitor comprises a vacuum container 2, a transition pipe 8 and an oil collecting device. The vacuum container 2 is connected with an exhaust tube 3, and the exhaust tube 3 is connected with an air extractor. An oil groove 5 is arranged in the vacuum container 2, an oil delivery pipe 4 is connected to the oil groove 5, and the oil delivery pipe 4 penetrates through the vacuum container 2. The oil delivery pipe 4 is connected to an external oil supply device. The oil groove 5 is connected with a plurality of oil injection pipes 6, the oil injection pipes 6 are connected with oil injection valves 7,
the upper end of the transition pipe 8 is provided with an upper threaded joint, and the lower end of the transition pipe 8 is provided with a lower threaded joint. The lower end of the transition pipe 8 is used for connecting an oil filling opening on the capacitor 1. The inner wall of the oil filling port is provided with internal threads. The upper end of the transition pipe 8 is used for connecting the oil filling pipe 6. And one end of the oil filling pipe 6, which is far away from the oil groove 5, is provided with a threaded pipe joint matched with the upper threaded joint. The side surface of the transition pipe 8 is provided with a flange 18, and the lower end surface of the flange 18 is embedded with a sealing ring 19. The seal ring 19 is made of rubber. An oil collecting hood 9 is connected to the transition pipe 8, and the transition pipe 8 penetrates through the oil collecting hood 9. A flange 18 is located at the lower end of the oil scoop 9.
The oil collecting device comprises an oil collecting tank 13, a vacuum pump 16 and a pumping main pipe 11, wherein the vacuum pump 16 is connected with the oil collecting tank 13 through a connecting pipe 17, one end of the pumping main pipe 11 is connected with the oil collecting tank 13, and the other end of the pumping main pipe extends into the vacuum container 2. The oil pumping main pipe 11 is connected with an oil pumping valve 12. The oil pumping main pipe 11 is connected with a plurality of oil pumping branch pipes 10, and the oil pumping branch pipes 10 are connected with the bottom of the oil collecting cover 9. The oil collecting tank 13 is connected with an oil outlet pipe 14, and the oil outlet pipe 14 is connected with an oil outlet valve 15.
The utility model discloses when using, connect the one end of transition pipe on the oiling mouth of condenser earlier, make the opening of collection oil cover up, then put into the vacuum vessel with the condenser, it links to each other to annotate oil pipe and transition pipe, close the vacuum vessel, take out into the vacuum state in with the vacuum vessel, then fill in insulating oil to the condenser, the back is accomplished in the oiling, resume normal atmospheric pressure in the vacuum vessel, open the vacuum vessel, close the oiling valve, and pull out oiling pipe from transition pipe, unnecessary insulating oil can spill over and flow to in the collection oil cover from the last port of transition pipe in the capacitor shell this moment, the insulating oil of collecting in the collection oil cover can reuse. When the overflowed insulating oil flows into the oil collecting cover, the oil pumping valve is opened, and the vacuum pump is opened, so that the insulating oil in the oil collecting cover can flow into the oil collecting tank for storage through the oil pumping branch pipe and the oil pumping main pipe under the action of the vacuum pump, and the overflowed insulating oil is convenient to collect. The utility model discloses an insulating oil that overflows in capacitor case can be collected to the collection oil cover to the insulating oil that makes to overflow can reuse, has reduced the waste of insulating oil.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (6)
1. The utility model provides a condenser vacuum oiling device, includes the vacuum vessel, is connected with the exhaust tube on the vacuum vessel, is provided with the oil groove among the vacuum vessel, is connected with defeated oil pipe on the oil groove, is connected with a plurality of oiling pipe on the oil groove, is connected with oiling valve, its characterized in that on the oiling pipe: the transition pipe is connected with an oil collecting cover, and the transition pipe penetrates through the oil collecting cover.
2. The vacuum oiling device for capacitor according to claim 1, further comprising an oil collecting device, wherein the oil collecting device comprises an oil collecting tank, a vacuum pump and a main oil pumping pipe, the vacuum pump is connected with the oil collecting tank through a connecting pipe, one end of the main oil pumping pipe is connected with the oil collecting tank, the other end of the main oil pumping pipe extends into the vacuum container, the main oil pumping pipe is connected with an oil pumping valve, the main oil pumping pipe is connected with a plurality of branch oil pumping pipes, and the branch oil pumping pipes are connected with the bottom of the oil collecting hood.
3. The vacuum oiling device for capacitor as defined in claim 2 wherein the oil collecting tank is connected with an oil outlet pipe, and the oil outlet pipe is connected with an oil outlet valve.
4. The vacuum oiling device for capacitor as defined in claim 1 wherein the upper end of the transition pipe is provided with an upper threaded joint, the lower end of the transition pipe is provided with a lower threaded joint, and the end of the oiling pipe away from the oil sump is provided with a threaded joint that mates with the upper threaded joint.
5. The vacuum oiling device for capacitor as defined in claim 1, wherein the transition pipe is provided with a flange at its side surface, and a sealing ring is provided on the lower end surface of the flange.
6. The vacuum oiling apparatus for capacitor as defined in claim 5, wherein the sealing ring is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023125075.2U CN214068581U (en) | 2020-12-22 | 2020-12-22 | Vacuum oil injection device for capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023125075.2U CN214068581U (en) | 2020-12-22 | 2020-12-22 | Vacuum oil injection device for capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214068581U true CN214068581U (en) | 2021-08-27 |
Family
ID=77386488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023125075.2U Active CN214068581U (en) | 2020-12-22 | 2020-12-22 | Vacuum oil injection device for capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214068581U (en) |
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2020
- 2020-12-22 CN CN202023125075.2U patent/CN214068581U/en active Active
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