CN205016337U - A oil conservater for oil -immersed transformer - Google Patents
A oil conservater for oil -immersed transformer Download PDFInfo
- Publication number
- CN205016337U CN205016337U CN201520665354.8U CN201520665354U CN205016337U CN 205016337 U CN205016337 U CN 205016337U CN 201520665354 U CN201520665354 U CN 201520665354U CN 205016337 U CN205016337 U CN 205016337U
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- China
- Prior art keywords
- oil
- cabinet body
- transformer
- bellows
- cystidium
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- Expired - Fee Related
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Abstract
The utility model provides an oil conservater for oil -immersed transformer, include with the inside intercommunication of transformer and be arranged in holding transformer oil cabinet body (1), set up at cabinet body (1) and have the cystidium that changes the volume size, set up to with the cystidium hookup and the drive cystidium changes the drive arrangement of volume size, reduce and when resulting in transformer oil volume contraction when the inside temperature of transformer, under drive arrangement acts on, messenger's cystidium volume grow, when the inside temperature rise of vary voltage and when leading to transformer oil volume expansion, the drive arrangement effect down, make the cystidium volume diminish, keep cabinet body (1) internal pressure invariable, prevent the insulating properties's that inhales cracking that moisture leads to transformer oil and reduce the transformer because of the negative pressure phenomenon, no longer only use cabinet body (1), has consequently improved the security performance of transformer and has prolonged life -span of transformer.
Description
One, technical field
The utility model relates to a kind of oil conservator, especially a kind of oil conservator for oil-filled transformer.
Two, background technology
When transformer runs, need to carry out thermal release by transformer oil, thus ensure transformer security of operation, therefore the oil conservator for oil-filled transformer is a kind of important transformer part, existing in the oil conservator of oil-filled transformer, it is all also the cabinet of general container type, when consuming along with the transformer oil in oil conservator, oil-filled transformer runs under micro-vacuum state, the moisture air can be sucked from positions, gap such as rubber cushion connections, thus accelerate the cracking of transformer oil; Also make bushing end occur negative pressure, and suck air and moisture, reduce the insulation property of transformer.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of oil conservator for oil-filled transformer, therefore improves the security performance of transformer and extends the life-span of transformer.
For achieving the above object, the technical scheme that the utility model is taked is: include to be communicated with inside transformer and for hold transformer oil cabinet body, be arranged in cabinet body and have change volume size cystidium, be set to connect with cystidium and drive cystidium to change the drive unit of volume size.
Owing to devising cabinet body, cystidium and drive unit, when causing transformer oil volume contraction when the reduction of inside transformer temperature, under drive unit effect, cystidium volume is made to become large; When causing transformer oil volumetric expansion when the rising of transformation internal temperature, under drive unit effect, make cystidium smaller volume, keep cabinet body internal pressure constant, prevent because negative pressure causes transformer oil to suck moisture, cause the phenomenon of the insulation property of transformer oil cracking and reduction transformer, no longer only use cabinet body, therefore improve the security performance of transformer and extend the life-span of transformer.
The utility model devises, and the mode being steady state value according to the pressure of maintenance transformer oil connects cystidium and drive unit with cabinet body.
The utility model devises, and cabinet body is set to sealed container body and is set to be communicated with transformer volume chamber.
The utility model devises, and cystidium is set to pneumatophore or bellows, and drive unit is set to pneumatic type drive unit, fluid pressure type drive unit, mechanical type driving apparatus or electric driving device.
The utility model devises, drive unit is set to include relief valve, pressure-reducing valve, gas bomb, inflator pump and unidirectional valve, pneumatophore is arranged in cabinet body and pneumatophore is set to connect with the madial wall of cabinet body, a port part of pneumatophore is set to be communicated with relief valve and another port part of pneumatophore is set to be communicated with the output port of unidirectional valve, and the input port of unidirectional valve is placed through pressure-reducing valve and is communicated with gas bomb and gas bomb is set to be communicated with the output port of inflator pump.
The utility model devises, and drive unit is set to telescoping cylinder, and telescoping cylinder is arranged in bellows and the anchor portion of telescoping cylinder is set to connect with cabinet body, the retractable ends of telescoping cylinder is set to connect with the top ends of bellows.
The utility model devises, and drive unit is set to leading screw, and leading screw is arranged in bellows and leading screw is set to connect with cabinet body rotary type, leading screw is set to connect with the top ends screw-type of bellows.
The utility model devises, and drive unit is set to solenoid, solenoid is arranged in bellows and one of them solenoid is set to connect with cabinet body, wherein another solenoid be set to connect with the top ends of bellows.
The utility model devises, and pneumatophore or bellows are set to along arranged distribution on the madial wall of cabinet body.
The utility model devises, and cabinet body is set to the circumferential distribution along transformer and is provided with bellows, relief valve, pressure-reducing valve, gas bomb, inflator pump and unidirectional valve at least one cabinet body.
The utility model devises, and cabinet body is set to be vertical distribution with transformer and pneumatophore or bellows are set to connect with the madial wall of the upper end end face of cabinet body.
In the technical program, the mode of the change volume size of cystidium refers to shrinks and expansion.
In the technical program, keep that the pressure of transformer oil is the cabinet body of steady state value, cystidium and drive unit be important technical characteristic, in the technical field of the oil conservator for oil-filled transformer, have novelty, creativeness and practicality, the term in the technical program is all to make an explanation with patent documentation in the art and to understand.
Four, accompanying drawing explanation
[0019]fig. 1 is the schematic diagram of first embodiment of the present utility model:
Fig. 2 is the schematic diagram of the 3rd and the 5th embodiment of the present utility model:
Fig. 3 is the schematic diagram of the 4th embodiment of the present utility model.
Five, embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is first embodiment of the present utility model, illustrates the present embodiment by reference to the accompanying drawings, includes cabinet body 1, pneumatophore 2, relief valve 3, pressure-reducing valve 4, gas bomb 5, inflator pump 6 and unidirectional valve 7,
Pneumatophore 2 is arranged in cabinet body 1 and pneumatophore 2 is set to connect with the madial wall of cabinet body 1, a port part of pneumatophore 2 is set to be communicated with relief valve 3 and another port part of pneumatophore 2 is set to be communicated with the output port of unidirectional valve 7, and the input port of unidirectional valve 7 is placed through pressure-reducing valve 4 and is communicated with gas bomb 5 and gas bomb 5 is set to be communicated with the output port of inflator pump 6.
In the present embodiment, cabinet body 1 is set to sealed container body and is set to be communicated with transformer volume chamber.
When inside transformer temperature reduces and causes transformer oil volume contraction, by the gases at high pressure in gas bomb 5 by pressure-reducing valve 4 and unidirectional valve 7 to pneumatophore 2 insufflation gas, make pneumatophore 2 volume become large, keep cabinet body 1 internal pressure constant; When causing transformer oil volumetric expansion when the rising of transformation internal temperature, pneumatophore 2 mesohigh air enters in air by unidirectional valve 7, make pneumatophore 2 smaller volume, keep cabinet body 1 internal pressure constant, when the air pressure in gas bomb 5 is reduced to certain value, automatic startup inflator pump 6, supplements gases at high pressure in gas bomb 5.
Second embodiment of the present utility model, includes cabinet body 1, bellows, relief valve 3, pressure-reducing valve 4, gas bomb 5, inflator pump 6 and unidirectional valve 7,
Bellows is set to alternative pneumatophore 2.
Bellows is arranged in cabinet body 1 and bellows is set to connect with the madial wall of cabinet body 1, a port part of bellows is set to be communicated with relief valve 3 and another port part of bellows is set to be communicated with the output port of unidirectional valve 7, and the input port of unidirectional valve 7 is placed through pressure-reducing valve 4 and is communicated with gas bomb 5 and gas bomb 5 is set to be communicated with the output port of inflator pump 6.
3rd embodiment of the present utility model, include cabinet body 1, bellows and telescoping cylinder, telescoping cylinder is arranged in bellows and the anchor portion of telescoping cylinder is set to connect with cabinet body 1, the retractable ends of telescoping cylinder is set to connect with the top ends of bellows.
When causing transformer oil volume contraction when the reduction of inside transformer temperature, telescoping cylinder extends, and makes bellows volume become large, keeps cabinet body 1 internal pressure constant; When causing transformer oil volumetric expansion when the rising of transformation internal temperature, telescoping cylinder shrinks, and makes bellows smaller volume, keeps cabinet body 1 internal pressure constant.
4th embodiment of the present utility model, includes cabinet body 1, bellows and leading screw, and leading screw is arranged in bellows and leading screw is set to connect with cabinet body 1 rotary type, leading screw is set to connect with the top ends screw-type of bellows.
When causing transformer oil volume contraction when the reduction of inside transformer temperature, leading screw rotates, and makes bellows volume become large, keeps cabinet body 1 internal pressure constant; When causing transformer oil volumetric expansion when the rising of transformation internal temperature, leading screw rotates, and makes bellows smaller volume, keeps cabinet body 1 internal pressure constant.
5th embodiment of the present utility model, include cabinet body 1, bellows and solenoid, solenoid be arranged in bellows and one of them solenoid is set to connect with cabinet body 1, wherein another solenoid be set to connect with the top ends of bellows.
When causing transformer oil volume contraction when the reduction of inside transformer temperature, two solenoids produce repulsive forces, make bellows volume become large, keep cabinet body 1 internal pressure constant; When causing transformer oil volumetric expansion when the rising of transformation internal temperature, two solenoids produce attractions, make bellows smaller volume, keep cabinet body 1 internal pressure constant.
6th embodiment of the present utility model, pneumatophore 2 or bellows are set to along arranged distribution on the madial wall of cabinet body 1.
7th embodiment of the present utility model, cabinet body 1 is set to the circumferential distribution along transformer and is provided with bellows, relief valve 3, pressure-reducing valve 4, gas bomb 5, inflator pump 6 and unidirectional valve 7 at least one cabinet body 1.
8th embodiment of the present utility model, cabinet body 1 is set to be vertical distribution with transformer and pneumatophore 2 or bellows are set to connect with the madial wall of the upper end end face of cabinet body 1.
In the above-described embodiments, the breather valve be communicated with cabinet body 1 can also be provided with, pressure monitoring device and controller can also be included for embodiment one, two, three and five, according to the pressure signal of cabinet body 1, start pressure-reducing valve 4, telescoping cylinder and solenoid by controller and carry out work, thus drive contraction and the expansion of pneumatophore 2 or bellows.
The utility model has lower feature:
1, owing to devising cabinet body 1, cystidium and drive unit, when inside transformer temperature reduces and causes transformer oil volume contraction, under drive unit effect, make cystidium volume become large; When causing transformer oil volumetric expansion when the rising of transformation internal temperature, under drive unit effect, make cystidium smaller volume, keep cabinet body 1 internal pressure constant, the phenomenon of the cracking preventing transformer oil and the insulation property reducing transformer, no longer only use cabinet body 1, therefore improve the security performance of transformer and extend the life-span of transformer.
2, owing to devising pneumatophore 2 or bellows, volume variable is large, large to the adjustable range of cabinet body 1.
3, owing to devising pneumatic type drive unit, mechanical type driving apparatus or electric driving device, the transformer needs of different places are applicable to.
4, owing to devising cabinet body 1, by the design to cabinet body 1 quantity, the transformer of different size is applicable to.
5, owing to devising cabinet body 1, it is vertical distribution that cabinet body 1 is set to transformer, improves the action effect of pneumatophore 2 or bellows.
6, owing to devising technical characteristic of the present utility model, in the effect of the set separately and each other of technical characteristic, by test show, property indices of the present utility model be existing property indices be at least 1.7 times, by assessment there is good market value.
What also have other is all one of embodiment of the present utility model with the technical characteristic keeping that the pressure of transformer oil is the cabinet body 1 of steady state value, cystidium and drive unit connect, and each technical characteristic of the above embodiment can combine arbitrarily, for meeting the requirement of Patent Law, patent regulation and guidelines for examination, no longer the embodiment of all possible combination of each technical characteristic in above-described embodiment is all described.
Therefore in the oil conservator technical field of oil-filled transformer, every include to be communicated with inside transformer and for hold transformer oil cabinet body 1, be arranged in cabinet body 1 and have change volume size cystidium, be set to connect with cystidium and drive cystidium to change the technology contents of the drive unit of volume size all in protection range of the present utility model.
Claims (10)
1., for an oil conservator for oil-filled transformer, it is characterized in that: include to be communicated with inside transformer and for hold transformer oil cabinet body (1), be arranged in cabinet body (1) and have change volume size cystidium, be set to connect with cystidium and drive cystidium to change the drive unit of volume size.
2. the oil conservator for oil-filled transformer according to claim 1, is characterized in that: the mode being steady state value according to the pressure of maintenance transformer oil connects cystidium and drive unit with cabinet body (1).
3. the oil conservator for oil-filled transformer according to claim 1, is characterized in that: cabinet body (1) is set to sealed container body and is set to be communicated with transformer volume chamber.
4. the oil conservator for oil-filled transformer according to claim 3, it is characterized in that: cystidium is set to pneumatophore (2) or bellows, drive unit is set to pneumatic type drive unit, fluid pressure type drive unit, mechanical type driving apparatus or electric driving device.
5. the oil conservator for oil-filled transformer according to claim 4, it is characterized in that: drive unit is set to include relief valve (3), pressure-reducing valve (4), gas bomb (5), inflator pump (6) and unidirectional valve (7), pneumatophore (2) is arranged in cabinet body (1) and pneumatophore (2) is set to connect with the madial wall of cabinet body (1), a port part of pneumatophore (2) is set to be communicated with relief valve (3) and another port part of pneumatophore (2) is set to be communicated with the output port of unidirectional valve (7), the input port of unidirectional valve (7) is placed through pressure-reducing valve (4) and is communicated with gas bomb (5) and gas bomb (5) is set to be communicated with the output port of inflator pump (6).
6. the oil conservator for oil-filled transformer according to claim 4, it is characterized in that: drive unit is set to telescoping cylinder, telescoping cylinder is arranged in bellows and the anchor portion of telescoping cylinder is set to connect with cabinet body (1), the retractable ends of telescoping cylinder is set to connect with the top ends of bellows.
7. the oil conservator for oil-filled transformer according to claim 4, it is characterized in that: drive unit is set to leading screw, leading screw is arranged in bellows and leading screw is set to connect with cabinet body (1) rotary type, leading screw is set to connect with the top ends screw-type of bellows.
8. the oil conservator for oil-filled transformer according to claim 4, it is characterized in that: drive unit is set to solenoid, solenoid be arranged in bellows and one of them solenoid is set to connect with cabinet body (1), wherein another solenoid be set to connect with the top ends of bellows.
9. the oil conservator for oil-filled transformer according to claim 4, is characterized in that: pneumatophore (2) or bellows are set to be set to be vertical distribution with transformer and pneumatophore (2) or bellows are set to connect with the madial wall of the upper end end face of cabinet body (1) along arranged distribution on the madial wall of cabinet body (1) or cabinet body (1).
10. the oil conservator for oil-filled transformer according to claim 4, is characterized in that: cabinet body (1) is set to the circumferential distribution along transformer and is provided with bellows, relief valve (3), pressure-reducing valve (4), gas bomb (5), inflator pump (6) and unidirectional valve (7) at least one cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520665354.8U CN205016337U (en) | 2015-08-31 | 2015-08-31 | A oil conservater for oil -immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520665354.8U CN205016337U (en) | 2015-08-31 | 2015-08-31 | A oil conservater for oil -immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205016337U true CN205016337U (en) | 2016-02-03 |
Family
ID=55214929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520665354.8U Expired - Fee Related CN205016337U (en) | 2015-08-31 | 2015-08-31 | A oil conservater for oil -immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205016337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161254A (en) * | 2015-08-31 | 2015-12-16 | 山东五岳电器有限公司 | Oil conservator for oil-immersed transformer |
-
2015
- 2015-08-31 CN CN201520665354.8U patent/CN205016337U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161254A (en) * | 2015-08-31 | 2015-12-16 | 山东五岳电器有限公司 | Oil conservator for oil-immersed transformer |
| CN105161254B (en) * | 2015-08-31 | 2017-08-11 | 山东五岳电器有限公司 | Oil conservater for oil-filled transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20190831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |