CN208903799U - A kind of low-loss large capacity oil-immersed transformer - Google Patents
A kind of low-loss large capacity oil-immersed transformer Download PDFInfo
- Publication number
- CN208903799U CN208903799U CN201821406996.6U CN201821406996U CN208903799U CN 208903799 U CN208903799 U CN 208903799U CN 201821406996 U CN201821406996 U CN 201821406996U CN 208903799 U CN208903799 U CN 208903799U
- Authority
- CN
- China
- Prior art keywords
- water tank
- accommodating cavity
- oil
- cabinet
- partition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of low-loss large capacity oil-immersed transformers, belong to transformer technology field, including fuel tank, transformation component and the cooling device being fixed in fuel tank, weldering is equipped with partition in cabinet, partition will be divided into the second accommodating cavity of the first accommodating cavity and sealing of sealing in cabinet, oil liquid is filled in first accommodating cavity, the lateral wall lower end of partition is equipped with flowline, the lateral wall upper end of partition is equipped with oil inlet pipe, flowline is equipped with first pump housing, cooling device includes being fixed in the second accommodating cavity in the water tank of sealing, for coolant liquid in cooling water tank cooler and be fixed on detour coil pipe in water tank, flowline connect conducting with one end of detour coil pipe, oil inlet pipe connect conducting with the other end of detour coil pipe；The cooling effect of the utility model oil liquid is more preferable, and cooling efficiency is higher, and advantageously reducing saving bit by bit for internal heat causes to increase excessive wear situation, and cooling device is external, can preferably reduce occupying for inner space, improve internal capacity.
Description
Technical field
The utility model relates to transformer technology fields, more particularly to a kind of low-loss large capacity oil immersed type transformation
Device.
Background technique
With the development of China's modernization construction, application of the transformer in national economy and the every field of scientific research
More and more extensive, not only large-scale power grid, the electronic product itself for being equipped with electronic circuit also largely use various different function
Transformer；Wherein oil-immersed transformer is one of the important equipment in industrial and mining enterprises and civil buildings power supply-distribution system, knot
Structure composition is mainly iron core, winding, fuel tank, conservator, insulating sleeve, tap switch and gas relay etc., and wherein iron core is to become
The magnetic circuit part of depressor, when operation, will generate magnetic hystersis loss and eddy-current loss and generate heat, to reduce heating loss and reducing volume
And weight, iron core, which uses, to be less than the high cold rolled grain grain-oriented Si steel sheet of 0.35mm magnetic capacity and constitutes, although by iron core into
Row improves to reach the low-loss purpose of drop, is still there are magnetic hystersis loss and eddy-current loss and the case where generate heat, thus
It needs to carry out radiating treatment to the heat dissipation of generation in time, avoids thermal accumlation and influence internal components so that situation is lost more
Add serious；Existing oil filled transformer, by radiating mode be that internal oil liquid is recycled using pump so that internal
Oil circulation is flowed and is radiated, and such radiating mode is slow, and radiating efficiency is bad；Also have and be directly arranged in fuel tank internal
Heat-dissipating pipe is radiated using heat-dissipating pipe, and such mode needs to occupy fuel tank internal installation space, to reduce transformer
Whole volume, in addition the heat dissipation of heat-dissipating pipe is more local, it is difficult to Homogeneouslly-radiating.
Utility model content
In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of low-loss
Large capacity oil-immersed transformer realizes the oil circulation in the first accommodating cavity by first pump housing, the oil liquid in the first accommodating cavity
After the extraction of first pump housing, withdrawing oil again after cooling is realized in heat exchange occurs with the coolant liquid in water tank when detour coil pipe
In case, to realize the cooling processing of oil liquid, and realizes that the cooling of coolant liquid is supplemented by cooler, improve the cooling of oil liquid
Efficiency and cooling effect；Generally, the cooling effect of oil liquid is more preferable, and cooling efficiency is higher, advantageously reduces internal heat
Save bit by bit and lead to increase excessive wear situation, and it is cooling device is external, can preferably reduce occupying for inner space, mention
High internal capacity.
For this purpose, the utility model uses following technical scheme: including fuel tank, the transformation being fixed in the fuel tank
Component and cooling device, the transformation component include iron core, winding, insulation and lead with iron core winding cooperation, institute
Stating fuel tank includes the case lid of cabinet and sealing cover on the top of the box, is fixed on the case lid and the cabinet connects
The bottom weldering of logical conservator, the cabinet is equipped with several fixing seats for being used to support the cabinet；
Weldering is equipped with partition in the cabinet, and the partition will be divided into the first accommodating cavity and the sealing of sealing in the cabinet
Second accommodating cavity, first accommodating cavity is interior to be filled with oil liquid, the iron core, the winding, the insulation and the lead
It is respectively positioned in first accommodating cavity and is dipped in the oil liquid；
The lateral wall lower end of the partition is equipped on the lateral wall of the flowline, the partition that are connected to first accommodating cavity
End is equipped with the oil inlet pipe for being connected to first accommodating cavity, and the flowline is equipped with first pump housing, and the cooling device includes solid
Due in the water tank of sealing, the cooler that is fixed at the top of the case lid and being fixed in the water tank in second accommodating cavity
Detour coil pipe, the water tank is interior to be filled with coolant liquid, and the bottom that the water tank is stretched out in one end of the detour coil pipe forms first
Connector, the other end of the detour coil pipe stretch out top formation second connector of the institute like water tank, the flowline with it is described
The connection conducting of first connector, the oil inlet pipe connect conducting with second connector；
The one side wall lower end of the water tank, which is equipped with, to be connected to the water tank and stretches out the outlet pipe outside the cabinet, the water tank
Top be equipped with the water inlet pipe for being connected to the water tank, the outlet pipe is connected by the water inlet end of the first connecting tube and the cooler
Connect conducting, the water inlet pipe connect conducting with the water outlet of the cooler by the second connecting tube, in first connecting tube
Equipped with second pump housing.
Optionally, the water tank is between the flowline and the oil inlet pipe, the one side wall of the water tank with it is described
The inner wall of cabinet is bonded, and another side wall of the water tank is bonded with the partition, and weldering is equipped with for branch in second accommodating cavity
The support plate of the water tank is supportted, the support plate is equipped with the first avoid holes passed through for first connector.
Optionally, the case lid sets second accommodating cavity position in lid and is equipped with second passed through for second connecting tube
Avoid holes.
It optionally, further include controller, the flowline is equipped with the first temperature control valve, and the outlet pipe is equipped with the
Two temperature control valves, first temperature control valve, the second temperature control valve, first pump housing, second pump housing
It is electrically connected with the controller.
Optionally, thermal insulation layer is equipped on the lateral wall of the water tank.
The utility model has the following beneficial effects: the utility model realizes that the oil liquid in the first accommodating cavity follows by first pump housing
Ring, the oil liquid in the first accommodating cavity is after the extraction of first pump housing, by heat occurs with the coolant liquid in water tank when detour coil pipe
Exchange flows back in fuel tank again after realizing cooling, to realize the cooling processing of oil liquid, and realizes coolant liquid by cooler
Cooling supplement, improves the cooling efficiency and cooling effect of oil liquid；Generally, the cooling effect of oil liquid is more preferable, cooling efficiency
Higher, advantageously reducing saving bit by bit for internal heat causes to increase excessive wear situation, and cooling device is external, can be preferable
Reduction inner space occupy, improve internal capacity.
Detailed description of the invention
Fig. 1 is a kind of low-loss large capacity oil-immersed transformer overall structure that specific embodiment of the present invention provides
Schematic diagram.
Fig. 2 is the location A enlarged diagram of Fig. 1.
In figure: 1, fuel tank；11, cabinet；12, case lid；121, conservator；111, fixing seat；13, partition；131, flowline；
132, oil inlet pipe；2, transformation component；100, the first accommodating cavity；200, the second accommodating cavity；31, water tank；311, outlet pipe；312, into
Water pipe；32, detour coil pipe；321, the first connector；322, the second connector；33, cooler；34, support plate；341, it first keeps away
Allow hole；41, first pump housing；42, second pump housing；51, the first temperature control valve；52, second temperature control valve.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
A kind of low-loss large capacity oil immersed type that Fig. 1 schematically illustrates specific embodiment of the present invention offer becomes
Depressor overall structure diagram, Fig. 2 schematically illustrate the location A enlarged diagram of Fig. 1.
As shown in Figure 1, including fuel tank 1, the transformation component 2 and cooling device being fixed in fuel tank 1, transformation component 2 includes
Iron core, winding, insulation and lead with iron core winding cooperation, fuel tank 1 include that cabinet 11 and sealing cover are set to 11 top of cabinet
On case lid 12, the conservator 121 being connected to cabinet 11 is fixed on case lid 12, the bottom weldering of cabinet 11 is equipped with several for branch
Support the fixing seat 111 of cabinet 11；Specifically, conservator 121 is a kind of Fuel Tanking Unit of for transformer, when the body of transformer oil
For product with the variation of oil temperature and when expand or shrink, conservator 121 plays oil storage and repairing, can guarantee in fuel tank 1 full of oil.
As shown in Figure 1, weldering is equipped with partition 13 in cabinet 11, partition 13 will be divided into the first accommodating cavity of sealing in cabinet 11
100 and sealing the second accommodating cavity 200, be filled with oil liquid, iron core, winding, insulation and the equal position of lead in the first accommodating cavity 100
In in the first accommodating cavity 100 and being dipped in oil liquid；Specifically, 13 material of partition can be the low magnetic as 11 material of cabinet
Property material is made, and will be divided into the first accommodating cavity 100 and the second accommodating cavity 200 of sealing inside cabinet 11 by partition 13, and first
Accommodating cavity 100 is main chamber, and for filling oil liquid and installation transformation component 2, and the second accommodating cavity 200 is for installing cooling device
In device, protected convenient for the device to cooling device, can also reduce the heat loss in cooling procedure, improved heat and hand over
Change efficiency.
As shown in Figure 1, the lateral wall lower end of partition 13 is equipped with the flowline 131, partition 13 for being connected to the first accommodating cavity 100
Lateral wall upper end is equipped with the oil inlet pipe 132 of the first accommodating cavity 100 of connection, and flowline 131 is equipped with first pump housing 41, cooling device
Including the water tank 31 being fixed in the second accommodating cavity 200 in sealing, the cooler 33 being fixed at the top of case lid 12 and it is fixed on water
Detour coil pipe 32 in case 31, is filled with coolant liquid in water tank 31, and the bottom that water tank 31 is stretched out in one end of detour coil pipe 32 forms the
One connector 321, the other end of detour coil pipe 32 stretch out top formation second connector 322 of the institute like water tank 31, flowline 131
Conducting is connect with the first connector 321, oil inlet pipe 132 connect conducting with the second connector 322；Specifically, pass through the first pump
Body 41 extracts the oil liquid in the first accommodating cavity 100 out, and delivers into detour coil pipe 32, and that circulates in detour coil pipe 32 is same
When with the coolant liquid in water tank 31 realize heat exchange, to realize cooling, come back to the by the oil liquid after cooling of water tank 31
In one accommodating cavity 100, heat dissipation is completed；Detour coil pipe 32 can be the easily heat conducting pipe tool such as copper pipe and be made, the first connector 321 with go out
Conducting is attached by pipe connections between oil pipe 131, between the second connector 322 and flowline 131.
As shown in Figure 1, the one side wall lower end of water tank 31 is equipped with joining water box 31 and stretches out the outlet pipe 311 outside cabinet 11,
The top of water tank 31 is equipped with the water inlet pipe 312 of joining water box 31, and outlet pipe 311 passes through the water inlet of the first connecting tube and cooler 33
End connection conducting, water inlet pipe 312 connect conducting with the water outlet of cooler 33 by the second connecting tube, and the first connecting tube is equipped with
Second pump housing 42；Specifically, since the coolant liquid after heat exchange can be gradually warmed up, cause heat exchange effect to weaken, lead to thus
Subcooler 33 realizes the secondary cooling of coolant liquid and recycling, can guarantee that stablizing for heat exchange carries out in this way；Second pump
Coolant liquid extraction in water tank 31 is sent into cooler 33 and is sent back in water tank 31 again after the cooling of subcooler 33 by body 42, out
Conducting is attached by pipe connections between water pipe 311 and the first connecting tube, between water inlet pipe 312 and the second connecting tube；
Coolant liquid in the present embodiment can be cooling water.
The course of work of the utility model: because of reasons such as magnetic hystersis losses when iron core and winding in transformation component 2 work
The heat of generation is absorbed by the oil liquid in the first accommodating cavity 100, so that the temperature of oil liquid improves, it at this time will by first pump housing 41
Oil liquid is extracted out out of first accommodating cavity 100 and is sent into the water tank 31 equipped with coolant liquid, detour coil pipe of the oil liquid in water tank 31
Heat exchange occurs to realize cooling with coolant liquid when 32 circulation, the oil liquid after cooling is through the first accommodating cavity of reflux of oil inlet pipe 132
In 100, so that the oil liquid bulk temperature of the first accommodating cavity 100 reduces, to realize heat dissipation.
Generally speaking, the utility model realizes the oil circulation in the first accommodating cavity 100 by first pump housing 41, and first holds
The oil liquid in chamber 100 is set after the extraction of first pump housing 41, by heat occurs with the coolant liquid in water tank 31 when detour coil pipe 32
Exchange flows back in fuel tank 1 again after realizing cooling, to realize the cooling processing of oil liquid, and realizes coolant liquid by cooler 33
Cooling supplement, improve the cooling efficiency and cooling effect of oil liquid；Generally, the cooling effect of oil liquid is more preferable, cooling effect
Rate is higher, and advantageously reducing saving bit by bit for internal heat leads to increase excessive wear situation, and cooling device is external, can be compared with
Good reduction inner space occupies, and improves internal capacity.
Optionally, as shown in Fig. 2, water tank 31 is between flowline 131 and oil inlet pipe 132, the one side wall of water tank 31 with
The inner wall of cabinet 11 is bonded, and another side wall of water tank 31 is bonded with partition 13, and weldering, which is equipped with, in the second accommodating cavity 200 is used to support water
The support plate 34 of case 31, support plate 34 are equipped with the first avoid holes 341 passed through for the first connector 321；Specifically, pass through
The support plate 34 that sets is welded to install water tank 31, water tank 31 can be directly placed in support plate 34, easy for installation, in addition support plate
The first avoid holes 341 being arranged on 34 facilitate the stretching of the first connector 321.
Optionally, case lid 12 sets 200 position of the second accommodating cavity in lid and is equipped with the second avoid holes passed through for the second connecting tube
(not shown)；Specifically, as shown in Figure 1, the second connecting tube one end connect water inlet pipe 312, the second connecting tube it is another
End stretches out case lid 12 by the second avoid holes and connect conducting with the water outlet of cooler 33.
It optionally, further include controller, flowline 131 is equipped with the first temperature control valve 51, and outlet pipe 311 is equipped with the
Two temperature control valves 52, the first temperature control valve 51, second temperature control valve 52, first pump housing 41, second pump housing 42 with control
Device electrical connection processed；Specifically, it is used to detect the temperature of 100 inner fluid of the first accommodating cavity by the first temperature control valve 51 of setting
Degree opens the first temperature control valve 51 by controller when the oil liquid temperature in the first accommodating cavity 100 reaches the temperature of setting
And start first pump housing 41 and realize that oil circulation is cooling, and the second temperature control valve 52 being arranged be able to detect it is cold in water tank 31
But liquid temperature conditions opens second temperature control by controller when the coolant temperature in water tank 31 reaches the temperature of setting
Valve 52 and second pump housing 42 of starting realize the cooling cycle of coolant liquid, can preferably save energy consumption.
Optionally, thermal insulation layer is equipped on the lateral wall of water tank 31；Specifically, it can be reduced by setting thermal insulation layer cold
But liquid and extraneous generation heat exchange, to improve the cooling efficiency of oil liquid, wherein thermal insulation layer can be glass layer, asbestos layer
One of Deng.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (4)
1. a kind of low-loss large capacity oil-immersed transformer, it is characterised in that:
Including fuel tank (1), the transformation component (2) and cooling device that are fixed in the fuel tank (1), transformation component (2) packet
Iron core, winding, insulation and lead with iron core winding cooperation are included, the fuel tank (1) includes cabinet (11) and sealing cover
Case lid (12) on the cabinet (11) top is fixed with the oil being connected to the cabinet (11) on the case lid (12)
It rests the head on (121), the bottom weldering of the cabinet (11) is equipped with several fixing seats (111) for being used to support the cabinet (11)；
Weldering is equipped with partition (13) in the cabinet (11), and the partition (13) is held be divided into sealing in the cabinet (11) first
The second accommodating cavity (200) of chamber (100) and sealing is set, is filled with oil liquid, the iron core, institute in first accommodating cavity (100)
Winding, the insulation and the lead is stated to be respectively positioned in first accommodating cavity (100) and be dipped in the oil liquid；
The lateral wall lower end of the partition (13) is equipped with flowline (131), the partition for being connected to first accommodating cavity (100)
(13) lateral wall upper end is equipped with the oil inlet pipe (132) for being connected to first accommodating cavity (100), sets on the flowline (131)
Have first pump housing (41), the cooling device includes being fixed in second accommodating cavity (200) in the water tank (31) sealed, admittedly
Cooler (33) at the top of the case lid (12) and the detour coil pipe (32) being fixed in the water tank (31), the water tank
(31) coolant liquid is filled in, the first connector is formed on the bottom that the water tank (31) is stretched out in one end of the detour coil pipe (32)
(321), the second connector (322) are formed on the top that the other end of the detour coil pipe (32) stretches out the water tank (31), described
Flowline (131) connect conducting, the oil inlet pipe (132) and second connector (322) with first connector (321)
Connection conducting；
The one side wall lower end of the water tank (31), which is equipped with, to be connected to the water tank (31) and stretches out the outlet pipe of the cabinet (11) outside
(311), the top of the water tank (31) is equipped with the water inlet pipe (312) for being connected to the water tank (31), and the outlet pipe (311) passes through
First connecting tube connect conducting with the water inlet end of the cooler (33), and the water inlet pipe (312) passes through the second connecting tube and institute
The water outlet connection conducting of cooler (33) is stated, first connecting tube is equipped with second pump housing (42)；
It further include controller, the flowline (131) is equipped with the first temperature control valve (51), sets on the outlet pipe (311)
Have second temperature control valve (52), first temperature control valve (51), the second temperature control valve (52), first pump
Body (41), second pump housing (42) are electrically connected with the controller.
2. a kind of low-loss large capacity oil-immersed transformer as described in claim 1, it is characterised in that:
The water tank (31) is between the flowline (131) and the oil inlet pipe (132), the one side wall of the water tank (31)
It is bonded with the inner wall of the cabinet (11), another side wall of the water tank (31) is bonded with the partition (13), and described second holds
It sets weldering in chamber (200) and is equipped with the support plate (34) for being used to support the water tank (31), the support plate (34) is equipped with described in confession
The first avoid holes (341) that first connector (321) passes through.
3. a kind of low-loss large capacity oil-immersed transformer as described in claim 1, it is characterised in that:
The case lid (12) sets the second accommodating cavity (200) position in lid and keeps away equipped with supply second connecting tube to pass through second
Allow hole.
4. a kind of low-loss large capacity oil-immersed transformer as described in claim 1, it is characterised in that:
Thermal insulation layer is equipped on the lateral wall of the water tank (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406996.6U CN208903799U (en) | 2018-08-29 | 2018-08-29 | A kind of low-loss large capacity oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406996.6U CN208903799U (en) | 2018-08-29 | 2018-08-29 | A kind of low-loss large capacity oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903799U true CN208903799U (en) | 2019-05-24 |
Family
ID=66570687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821406996.6U Active CN208903799U (en) | 2018-08-29 | 2018-08-29 | A kind of low-loss large capacity oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837893A (en) * | 2020-12-31 | 2021-05-25 | 沈颖澜 | Transformer with built-in cooling structure and capable of synchronously removing moisture |
-
2018
- 2018-08-29 CN CN201821406996.6U patent/CN208903799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837893A (en) * | 2020-12-31 | 2021-05-25 | 沈颖澜 | Transformer with built-in cooling structure and capable of synchronously removing moisture |
| CN112837893B (en) * | 2020-12-31 | 2022-05-13 | 台州华义电子科技有限公司 | Transformer with built-in cooling structure and capable of synchronously removing moisture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103390485B (en) | A kind of strong cold transformer of liquid nitrogen and refrigerating method thereof | |
| CN202840973U (en) | 110KV energy-saving environment-friendly oil immersed integral high-power rectifying device cooled without water | |
| CN208903799U (en) | A kind of low-loss large capacity oil-immersed transformer | |
| CN210668002U (en) | Oil-immersed power transformer for residential area | |
| CN207572189U (en) | A kind of radiator of transformer | |
| CN206991891U (en) | A kind of oil-filled transformer of more fuel tank radiatings | |
| CN203377060U (en) | Liquid nitrogen severe-cold transformer | |
| CN208806123U (en) | A kind of oil tank for oil immersion type transformer | |
| CN209034252U (en) | A kind of evaporating and cooling electromagnetic blender of forced circulation | |
| CN202734568U (en) | Water-cooling structure of medium frequency furnace | |
| CN212809994U (en) | Auxiliary heat dissipation device for dustproof transformer | |
| CN213042760U (en) | Dustproof radiating box transformer of photovoltaic | |
| CN210865810U (en) | Connecting system of transformer and water cooler | |
| CN106057419A (en) | Transformer oil tank | |
| CN208889418U (en) | A kind of buried oil-immersed transformer of energy-saving radiating | |
| CN203588807U (en) | Heat exchange structure of rectifier transformer | |
| CN205564469U (en) | Transformer is electroplated to oily water -cooling | |
| CN206505801U (en) | The sleeping dress water-cooling structure of oil-immersed type transformer | |
| CN211613055U (en) | Oil-water composite electromagnetic iron remover | |
| CN212461330U (en) | Dry-type transformer | |
| CN204792340U (en) | Bottom heat dissipation type transformer cooling device | |
| CN220821266U (en) | Oil immersed transformer | |
| CN219458458U (en) | Casing protection mechanism of static var generator | |
| CN207572205U (en) | A kind of transformer | |
| CN209525992U (en) | A kind of high-power transformer of good heat dissipation effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |