CN204144017U - Transformer Dry System - Google Patents
Transformer Dry System Download PDFInfo
- Publication number
- CN204144017U CN204144017U CN201420426277.6U CN201420426277U CN204144017U CN 204144017 U CN204144017 U CN 204144017U CN 201420426277 U CN201420426277 U CN 201420426277U CN 204144017 U CN204144017 U CN 204144017U
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- oil
- transformer
- pump
- heat
- transformer dry
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- 238000009825 accumulation Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005338 heat storage Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 241000208340 Araliaceae Species 0.000 claims description 13
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 13
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 13
- 235000008434 ginseng Nutrition 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model proposes a kind of Transformer Dry System, comprising: accumulation of heat mechanism, accumulation of heat mechanism has air inlet and air outlet; Heat exchanger; Transformer dry stove, transformer dry stove and accessory has oil-in and oil-out; Oil-feed oil circuit and oil return circuit, heat exchanger between oil-feed oil circuit and oil-in, to regulate the oil temperature of the conduction oil being entered transformer dry stove by oil-in; Oil pump; By the vacuum extractor of steam extraction in transformer dry stove; To the electrical control cabinet that accumulation of heat mechanism, oil pump and vacuum extractor control.The Transformer Dry System of the utility model embodiment, by accumulation of heat mechanism, accumulation of heat is carried out to air-flow, and with heat exchanger heat exchange, thus regulate the oil temperature entering the conduction oil of transformer dry stove, and by vacuum extractor, steam in transformer dry stove is extracted out, realize the drying process to transformer, energy savings, improve drying effect and the stability of a system, meet the insulating requirements of transformer to greatest extent.
Description
Technical field
The utility model relates to transformer technology field, particularly a kind of Transformer Dry System.
Background technology
The device body of transformer assemblies primarily of unshakable in one's determination and coil and insulating material, after assembling, before adding transformer oil, must through dry treatment process, to remove moisture in insulating material and gas, within the limit that its water content control is required in product quality, increase its insulation resistance, improve its flashover voltage, to ensure that transformer has enough dielectric strengths and service life.
But, in the related, the structural design of Transformer Dry System and set-up mode existing defects on the market, not only the heat efficiency is low, the stability of a system is low to cause Transformer Dry System, and electricity cost is high, also need special personnel guard, cause the waste of the energy, need further to improve.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.
For this reason, the purpose of this utility model is to propose a kind of energy energy savings, improves drying effect, reliable and stable Transformer Dry System.
For achieving the above object, the utility model proposes a kind of Transformer Dry System, comprising: for the accumulation of heat mechanism of accumulation of heat, described accumulation of heat mechanism has air inlet and air outlet; Heat exchanger, described heat exchanger is arranged between described air inlet and described air outlet; For the transformer dry stove of dry transformer, described transformer dry stove and accessory has oil-in and oil-out; Oil-feed oil circuit and oil return circuit, one end of described oil-feed oil circuit is connected with described oil-in, one end of described oil return circuit is connected with described oil-out, described heat exchanger between described oil-feed oil circuit and described oil-in, to regulate the oil temperature of the conduction oil being entered described transformer dry stove by described oil-in; Oil pump, described oil pump is connected with the other end of described oil return circuit with the other end of described oil-feed oil circuit respectively; Vacuum extractor, described vacuum extractor is connected with described transformer dry stove, to be extracted out by steam in described transformer dry stove; And electrical control cabinet, described electrical control cabinet is connected with described vacuum extractor with described accumulation of heat mechanism, oil pump respectively, to control described accumulation of heat mechanism, oil pump and described vacuum extractor.
According to the Transformer Dry System that the utility model proposes, by accumulation of heat mechanism, accumulation of heat is carried out to air-flow, and with heat exchanger heat exchange, thus regulate the oil temperature entering the conduction oil of transformer dry stove, and by vacuum extractor, steam in transformer dry stove is extracted out, realize the drying process to transformer, to remove moisture and gas, not only reduce electricity cost, energy savings, and improve drying effect and the stability of a system, meet the insulating requirements of transformer to greatest extent.
Further, described accumulation of heat mechanism comprises: heat storage; Air channel, described air channel is positioned at described heat storage, and the one end in described air channel is connected with described air inlet, and the other end in described air channel is connected with described air outlet; Heater, described heater is arranged in described heat storage; Blower fan, described blower fan is between described air inlet and described air outlet.
Further, above-mentioned Transformer Dry System also comprises: heat-insulation layer, and described heat-insulation layer is located on the periphery wall of described heat storage.
Further, above-mentioned Transformer Dry System also comprises: for detecting the top petrol tank of the oil mass of conduction oil, and described high temperature fuel tank is positioned on described oil return circuit; Self-absorption electric pump, described self-absorption electric pump and described electrical control cabinet, during the low on fuel of described conduction oil, described electrical control cabinet controls described self-absorption electric pump to filling heat-conductive oil in described oil return circuit.
Further, described vacuum extractor comprises: vacuum valve, and one end of described vacuum valve is connected with described transformer dry stove; Lobe pump, one end of described lobe pump is connected with the other end of described vacuum valve; Bypass valve, one end of described bypass valve is connected with one end of described vacuum valve; Pressure-reducing valve, one end of described pressure-reducing valve is connected with the other end of described bypass valve with the other end of described lobe pump respectively; And vacuum pump, one end of described vacuum pump is connected with the other end of described pressure-reducing valve.
Further, above-mentioned Transformer Dry System also comprises: ginseng air valve, and described ginseng air valve is arranged between described transformer dry stove and described vacuum valve; Air pump, described air pump is connected with described ginseng air valve.
Further, above-mentioned Transformer Dry System also comprises: drainer, and described drainer is between described ginseng air valve and described vacuum valve.
Further, above-mentioned Transformer Dry System also comprises: water pump, and one end of described water pump is connected with vacuum pump; Water tank, described water tank is connected with the other end of described water pump.
Preferably, described heater can be resistance wire.
Preferably, described blower fan can be air blast.
The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
The utility model above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural representation of the Transformer Dry System according to the utility model embodiment;
Fig. 2 is the structural representation of the Transformer Dry System according to the utility model specific embodiment.
Accompanying drawing illustrates:
Accumulation of heat mechanism 100, mains-supplied loop 1, electrical control cabinet 2 (800), heat storage 3, air inlet 4 (101), , heater 5, air outlet 6 (102), heat-insulation layer 7, electric heating current supply circuit 8, heat exchanger 9 (200), blower fan 10, oil pump 11 (600), top petrol tank 12, transformer dry stove 13 (300), drainer 14, ginseng air valve 15, vacuum valve 16, bypass valve 17, lobe pump 18, pressure-reducing valve 19, vacuum pump 20, water tank 21, water pump 22, cooling circuit 23, oil-feed oil circuit 24 (400), oil return circuit 25 (500), air pump 26, self-absorption electric pump 27, vacuum extractor 700, oil-in 301 and oil-out (302).
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
The Transformer Dry System proposed according to the utility model embodiment is described with reference to the accompanying drawings.With reference to shown in Fig. 1, this Transformer Dry System comprises: accumulation of heat mechanism 100, heat exchanger 200, transformer dry stove 300, oil-feed oil circuit 400, oil return circuit 500, oil pump 600, vacuum extractor 700 and electrical control cabinet 800.
Wherein, accumulation of heat mechanism 100 is for accumulation of heat, and accumulation of heat mechanism 100 has air inlet 101 and air outlet 102.Heat exchanger 200 is arranged between air inlet 101 and air outlet 102.Transformer dry stove 300 is for dry transformer, and transformer dry stove 300 has oil-in 301 and oil-out 302.One end of oil-feed oil circuit 400 is connected with oil-in 301, one end of oil return circuit 500 is connected with oil-out 302, heat exchanger 200 between oil-feed oil circuit 400 and oil-in 301, to regulate the oil temperature of the conduction oil being entered transformer dry stove 300 by oil-in 301.Oil pump 600 is connected with the other end of oil return circuit 500 with the other end of oil-feed oil circuit 400 respectively.Vacuum extractor 700 is connected with transformer dry stove 300, to be extracted out by steam in transformer dry stove 300.Electrical control cabinet 800 is connected with vacuum extractor 700 with accumulation of heat mechanism 100, oil pump 600 respectively, to control accumulation of heat mechanism 100, oil pump 600 and vacuum extractor 700.The system of the utility model embodiment carries out accumulation of heat by accumulation of heat mechanism, thus regulate the oil temperature of the conduction oil entered in transformer dry stove, and by vacuum extractor, steam in transformer dry stove is extracted out, drying is carried out to transformer, not only the heat efficiency is high, and reliable and stable, automatic unattended operation.
Particularly, in an embodiment of the present utility model, with reference to shown in Fig. 2, accumulation of heat mechanism 100 comprises: heat storage 3, air channel (obviously not illustrating in figure), heater 5 and blower fan 10.
Wherein, air channel is positioned at heat storage 3, and the one end in air channel is connected with air inlet 4 (i.e. air inlet 101 in Fig. 1), and the other end in air channel is connected with air outlet 6 (i.e. air outlet 102 in Fig. 1).Heater 5 is arranged in heat storage 3.Blower fan 10 is between air inlet 4 and air outlet 6.Particularly, the air-flow that blower fan 10 produces enters heat storage 3 from air inlet 4, heat storage 3 in after repeatedly round, enter heat exchanger 9 (i.e. heat exchanger 200 in Fig. 1) heat exchange by air outlet 6.
Preferably, in an embodiment of the present utility model, heater 5 can be resistance wire, and blower fan 10 can be air blast.
Further, in an embodiment of the present utility model, with reference to shown in Fig. 2, the system of the utility model embodiment also comprises: heat-insulation layer 7.Wherein, heat-insulation layer 7 is located on the periphery wall of heat storage 3, reaches heat insulation effect better to make heat storage.
Further, in an embodiment of the present utility model, with reference to shown in Fig. 2, the system of the utility model embodiment also comprises: top petrol tank 12 and self-absorption electric pump 27.
Wherein, top petrol tank 12 is for detecting the oil mass of conduction oil, and high temperature fuel tank 12 is arranged on oil return circuit 25 (i.e. Fig. 1 oil return circuit 500).Self-absorption electric pump 27 and electrical control cabinet 2 (i.e. electrical control cabinet 800 in Fig. 1), during the low on fuel of conduction oil, it is oily to filling heat-conductive in oil return circuit 25 that electrical control cabinet 2 controls self-absorption electric pump 27.
Further, in an embodiment of the present utility model, vacuum extractor 700 comprises: vacuum valve 16, lobe pump 18, bypass valve 17, pressure-reducing valve 19 and vacuum pump 20.
Wherein, one end of vacuum valve 16 is connected with transformer dry stove 13 (i.e. transformer dry stove 300 in Fig. 1).One end of lobe pump 18 is connected with the other end of vacuum valve 16.One end of bypass valve 17 is connected with one end of vacuum valve 16.One end of pressure-reducing valve 19 is connected with the other end of bypass valve 17 with the other end of lobe pump 18 respectively.One end of vacuum pump 20 is connected with the other end of pressure-reducing valve 19.
Particularly, in an embodiment of the present utility model, heat storage 3, heat-insulation layer 7, wind deflector (i.e. air channel), heat exchanger 9 (i.e. heat exchanger 200 in Fig. 1), blower fan 10 design for integral type.At Gu electricity Shi, heat to the heater 5 in heat storage 3 by electrical control cabinet 2, make the temperature value that heat storage 3 remains certain; When peak electricity, the air-flow produced by blower fan 10 enters heat storage 3 from air inlet 4, in heat storage 3 through repeatedly come and go after, entering heat exchanger 9 heat exchange by air outlet 6 makes oil temperature raise, conduction oil dispels the heat and makes the moisture in transformer become water vapour in transformer dry stove 13, outdoor is extracted out again by vacuum pump 20 and lobe pump 18, complete the drying work of transformer, the drying effect of transformer can be significantly improved under the prerequisite greatly reducing Transformer Dry System electricity cost, meet the insulating requirements of transformer to greatest extent.Wherein, the vacuum pump 20 selected according to the pressure intelligent of Pipeline Water steam of the Transformer Dry System of the utility model embodiment and lobe pump 18.
Further, in an embodiment of the present utility model, with reference to shown in Fig. 2, the system of the utility model embodiment also comprises: ginseng air valve 15 and air pump 26.Wherein, join air valve 15 to be arranged between transformer dry stove 13 and vacuum valve 16.
Further, in an embodiment of the present utility model, with reference to shown in Fig. 2, the system of the utility model embodiment also comprises: drainer 14.Wherein, drainer 14 is between ginseng air valve 15 and vacuum valve 16.
Further, in an embodiment of the present utility model, with reference to shown in Fig. 2, the system of the utility model embodiment also comprises: water pump 22 and water tank 21.Wherein, one end of water pump 22 is connected with vacuum pump 20, and water tank 21 is connected with the other end of water pump 22.
In addition, in an embodiment of the present utility model, with reference to shown in Fig. 2, the system of the utility model embodiment also comprises: mains-supplied loop 1, electric heating current supply circuit 8, be not described in detail at this.
In a specific embodiment of the present utility model, temperature sensor is inserted in the return air inlet of the wall of heat storage 3, the air outlet of heat exchanger 9, heat exchanger, oil-out, oil return opening, transformer dry stove 13, the temperature signal that temperature sensor spreads out of transfers to electrical control cabinet 2, carries out Based Intelligent Control to make electrical control cabinet 2.
Further, in an embodiment of the present utility model, the air inlet 4 of the Transformer Dry System of the utility model embodiment, oil-out arrange pressure sensor.Meanwhile, oil-out place is provided with flow sensor, and the Signal transmissions that pressure sensor and flow sensor spread out of, to electrical control cabinet, carries out Based Intelligent Control to make electrical control cabinet 2.
The operation principle of 2 pairs of the utility model specific embodiment is described in detail with reference to the accompanying drawings.Particularly, with reference to shown in Fig. 2, the first step, utilizes electrical control cabinet 2 to open air pump 26 and ginseng air valve 15 is opened, and then makes the gate of transformer dry stove 13 open wide, pushes away transformer in transformer dry stove 13, finally closes air pump 26 and ginseng air valve 15.Second step, whether the oil level in observation top petrol tank 12 arrives normal level, if do not arrive normal level, then needs to open self-absorption electric pump 27 toward oil circuit filling heat-conductive oil, if reach normal level, then open oil pump 11 (namely in Fig. 1 600) and conduction oil is circulated in oil circuit.3rd step, according to the needs of transformer dry stove 13 pairs of oil temperatures, the rotating speed utilizing the frequency converter of electrical control cabinet 2 to adjust blower fan 10 makes the air-flow of generation enter heat storage 3 from air inlet 4, in heat storage 3 through repeatedly come and go after, enter heat exchanger 9 heat exchange by air outlet 6, then make the oil temperature of heat exchanger 9 oil-out meet the demands.4th step, electrical control cabinet 2 is utilized to open bypass valve 17 and vacuum pump 20 vacuumizes, when the pressure of ducted water vapour arrives preset value, open vacuum valve 16 and lobe pump 18 intelligently, close bypass valve 17 and vacuum pump 20, first drainer 14 plays condensed steam in this course, and do not have the water vapour of condensation to have vacuum pump 20 and lobe pump 18 to extract outdoor out again, namely cooling circuit 23 carries out work.
According to the Transformer Dry System that the utility model embodiment proposes, by accumulation of heat mechanism, accumulation of heat is carried out to air-flow, and with heat exchanger heat exchange, thus regulate the oil temperature entering the conduction oil of transformer dry stove, and by vacuum extractor, steam in transformer dry stove is extracted out, realize the drying process to transformer, to remove moisture and gas, not only reduce electricity cost, energy savings, and improve drying effect and the stability of a system, meet the insulating requirements of transformer to greatest extent.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the application-specific integrated circuit (ASIC) of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (10)
1. a Transformer Dry System, is characterized in that, comprising:
For the accumulation of heat mechanism of accumulation of heat, described accumulation of heat mechanism has air inlet and air outlet;
Heat exchanger, described heat exchanger is arranged between described air inlet and described air outlet;
For the transformer dry stove of dry transformer, described transformer dry stove and accessory has oil-in and oil-out;
Oil-feed oil circuit and oil return circuit, one end of described oil-feed oil circuit is connected with described oil-in, one end of described oil return circuit is connected with described oil-out, described heat exchanger between described oil-feed oil circuit and described oil-in, to regulate the oil temperature of the conduction oil being entered described transformer dry stove by described oil-in;
Oil pump, described oil pump is connected with the other end of described oil return circuit with the other end of described oil-feed oil circuit respectively;
Vacuum extractor, described vacuum extractor is connected with described transformer dry stove, to be extracted out by steam in described transformer dry stove; And
Electrical control cabinet, described electrical control cabinet is connected with described vacuum extractor with described accumulation of heat mechanism, oil pump respectively, to control described accumulation of heat mechanism, oil pump and described vacuum extractor.
2. Transformer Dry System according to claim 1, is characterized in that, described accumulation of heat mechanism comprises:
Heat storage;
Air channel, described air channel is positioned at described heat storage, and the one end in described air channel is connected with described air inlet, and the other end in described air channel is connected with described air outlet;
Heater, described heater is arranged in described heat storage;
Blower fan, described blower fan is between described air inlet and described air outlet.
3. Transformer Dry System according to claim 2, is characterized in that, also comprises: heat-insulation layer, and described heat-insulation layer is located on the periphery wall of described heat storage.
4. Transformer Dry System according to claim 1, is characterized in that, also comprises:
For detecting the top petrol tank of the oil mass of conduction oil, described top petrol tank is positioned on described oil return circuit;
Self-absorption electric pump, described self-absorption electric pump and described electrical control cabinet, during the low on fuel of described conduction oil, described electrical control cabinet controls described self-absorption electric pump to filling heat-conductive oil in described oil return circuit.
5. Transformer Dry System according to claim 1, is characterized in that, described vacuum extractor comprises:
Vacuum valve, one end of described vacuum valve is connected with described transformer dry stove;
Lobe pump, one end of described lobe pump is connected with the other end of described vacuum valve;
Bypass valve, one end of described bypass valve is connected with one end of described vacuum valve;
Pressure-reducing valve, one end of described pressure-reducing valve is connected with the other end of described bypass valve with the other end of described lobe pump respectively; And
Vacuum pump, one end of described vacuum pump is connected with the other end of described pressure-reducing valve.
6. Transformer Dry System according to claim 5, is characterized in that, also comprises:
Ginseng air valve, described ginseng air valve is arranged between described transformer dry stove and described vacuum valve;
Air pump, described air pump is connected with described ginseng air valve.
7. Transformer Dry System according to claim 6, is characterized in that, also comprises:
Drainer, described drainer is between described ginseng air valve and described vacuum valve.
8. the Transformer Dry System according to any one of claim 1-7, is characterized in that, also comprises:
Water pump, one end of described water pump is connected with vacuum pump;
Water tank, described water tank is connected with the other end of described water pump.
9. Transformer Dry System according to claim 2, is characterized in that, described heater is resistance wire.
10. Transformer Dry System according to claim 2, is characterized in that, described blower fan is air blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426277.6U CN204144017U (en) | 2014-07-30 | 2014-07-30 | Transformer Dry System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426277.6U CN204144017U (en) | 2014-07-30 | 2014-07-30 | Transformer Dry System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204144017U true CN204144017U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420426277.6U Expired - Fee Related CN204144017U (en) | 2014-07-30 | 2014-07-30 | Transformer Dry System |
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| CN (1) | CN204144017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355155A (en) * | 2022-09-15 | 2022-11-18 | 重庆开山流体机械有限公司 | Lubricating oil temperature variable frequency control method for vacuum pump |
-
2014
- 2014-07-30 CN CN201420426277.6U patent/CN204144017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355155A (en) * | 2022-09-15 | 2022-11-18 | 重庆开山流体机械有限公司 | Lubricating oil temperature variable frequency control method for vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Qingqi Inventor after: Jiang Libing Inventor after: Ge Dan Inventor after: Jin Yanjiang Inventor after: Liu Xingyu Inventor after: Wang Chuanjun Inventor after: Yang Die Inventor after: Li Dashuang Inventor after: Xie Qiang Inventor after: Yang Baoqu Inventor before: Zhao Qingqi Inventor before: Li Wendong Inventor before: Jiang Libing Inventor before: Ge Dan Inventor before: Jin Yanjiang Inventor before: Liu Xingyu Inventor before: Wang Chuanjun Inventor before: Yang Die Inventor before: Li Dashuang Inventor before: Xie Qiang Inventor before: Yang Baoqu |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 |