CN208045246U - A kind of cooling system of dry-type transformer - Google Patents
A kind of cooling system of dry-type transformer Download PDFInfo
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- CN208045246U CN208045246U CN201820251863.XU CN201820251863U CN208045246U CN 208045246 U CN208045246 U CN 208045246U CN 201820251863 U CN201820251863 U CN 201820251863U CN 208045246 U CN208045246 U CN 208045246U
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- dry
- cooling
- type transformer
- cooling system
- control systems
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Abstract
The utility model provides a kind of cooling system of dry-type transformer, include the cooling blower of multiple parallel connections, each air-cooler is connect with a breaker respectively, the auxiliary node of breaker is electrically connected with main equipment room DCS control systems, cooling blower is being equipped with cooling device close to the side of transformer, and cooling device includes finned tube, and finned tube both ends are connected to by pipeline with radiator, it is filled with coolant liquid in pipe, keeps coolant liquid in pipe internal circulation flow by coolant circulation unit.It is electrically connected with main equipment room DCS control systems by breaker, increases switch abnormal alarm signal, convenient for the operating status of real time monitoring cooling blower.First with sundries such as sand and dust in electrostatic precipitation net filtration outside air, air is cooled down by cooling device, then radiator is placed in underground water, is taken away heat using underground water.The utility model not only high degree of automation, easy to operate, highly practical, and good cooling results, non-secondary pollution, energy conservation and environmental protection are with good economic efficiency.
Description
Technical field
The utility model is related to Dry-Transformer Technology fields, and in particular to a kind of cooling system of dry-type transformer.
Background technology
Transformer is the important equipment of electric system, and reliability service has weight to the safety of electric system, economical operation
Big meaning can usually cause serious economic loss, or even destroy the stabilization of operation of power networks once breaking down.Dry type transformation
In the process of running, due to electromagnetic action, winding will produce amount of heat to device, need to be by the air that is flowed around it come cold
It is but, no that it will cause the serious accidents for burning dry-type transformer.
The conventional scheme of dry-type transformer cooling system is the cooling blower that heat transmission is installed on dry-type transformer at present,
Cold wind is directly blown into the coil high and low pressure cooling air channel of transformer, heat dissipation effect is apparent, can ensure the normal operation of transformer
And extend its service life.Exposed high speed rotation fan blade is dangerous at work for existing cooling blower, and air inlet is not free
Gas purifies protective device, does not handle the dust in sucking air, after long-play, the dust inside cooling blower
Accumulation it is more and more, can seriously influence the operation of cooling blower, cooling effect is bad, high energy consumption, noise are big, and service life is short
Equal shortcomings.In addition, hot positive value peak times of power consumption summer, dry-type transformer load is big, and the heat of generation is high, and outdoor
Air themperature is higher, causes heat dissipation problem of the dry-type transformer in summer operation extremely prominent, frequently results in transformer tripping,
Seriously affect the safe temperature operation of electric system.For this purpose, provide a kind of cooling system of dry-type transformer, not only cooling effect
It is good, heat dissipation problem when dry-type transformer summer operation, and high degree of automation can have been properly settled, it is easy to operate, it is energy saving
Environmental protection is current those skilled in the art technical problem urgently to be resolved hurrily.
Invention content
The technical problem to be solved by the utility model is to provide a kind of cooling systems of dry-type transformer, not only cooling to imitate
Fruit is good, can properly settle heat dissipation problem when dry-type transformer summer operation, improve dry-type transformer operation stability and
Reliability, and high degree of automation, easy to operate, energy conservation and environmental protection.
In order to solve the above technical problems, technical solution used by the utility model is：A kind of cooling of dry-type transformer
System includes the cooling blower of multiple parallel connections, and each air-cooler is connect with a breaker respectively, the auxiliary node of breaker and master
Computer room DCS control systems are electrically connected, and cooling blower is being equipped with cooling device close to the side of transformer；
The cooling device includes finned tube, and finned tube both ends are connected to radiator by pipeline, are filled in pipe
Coolant liquid keeps coolant liquid in pipe internal circulation flow by coolant circulation unit.
Further include infrared temperature detection device, infrared temperature detection device is electrically connected with DCS control systems in preferred scheme
It connects, the temperature for monitoring dry-type transformer.
In preferred scheme, the cooling blower in the side far from transformer at least provided with one layer of electrostatic precipitation net,
Electrostatic precipitation net is to be detachably connected with cooling blower.
In preferred scheme, the cooling blower is frequency conversion fan, and frequency conversion fan is electrically connected with DCS control systems.
In preferred scheme, the finned tube is seamless metal finned tube.
In preferred scheme, the radiator includes metal coil pipe, and metal coil pipe is placed in underground water.
In preferred scheme, the radiator is equipped with temperature sensor, and temperature sensor is electrically connected with DCS control systems
It connects, the temperature for monitoring coolant liquid.
In preferred scheme, the coolant liquid is ultra-pure water.
In preferred scheme, the coolant circulation unit includes screw pump, and screw pump is electrically connected with DCS control systems
It connects.
The utility model provides a kind of cooling system of dry-type transformer and passes through breaker and host using the above structure
Room DCS control systems electrical connection increases switch abnormal alarm signal and is conducive to grasp convenient for the operating status of real time monitoring wind turbine
Make the tendency information that personnel capture failure in time.Electrostatic precipitation net can not only be handled the sand and dust in sucking air, also be made
For the protective device of high speed rotation fan blade, the safety of cooling blower is improved, air is cooled down by cooling device, will be dissipated
Thermal is placed in underground water, is taken away heat using underground thermostatted water, good cooling results are without polluted underground water, energy-saving ring
It protects.The utility model has not only properly settled heat dissipation problem when dry-type transformer summer operation, improves dry-type transformer operation
Stability and reliability, and have many advantages, such as high degree of automation, easy to operate and highly practical, also there is good warp
Benefit of helping and social benefit.In addition, the cooling system is not limited to the cooling of dry-type transformer, other electronic equipments are applied also for
Cooling, have wide range of applications.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of cooling blower in the utility model；
Fig. 2 is the structural schematic diagram of cooling device in the utility model；
Fig. 3 is the structural schematic diagram of electrostatic precipitation net in the utility model；
Fig. 4 is scheme of installation of the utility model in dry-type transformer；
Fig. 5 is the control structure schematic diagram of the utility model；
In figure：Cooling blower 1, DCS control systems 2, cooling device 3, finned tube 4, radiator 5, coolant liquid cycle dress
Set 6, infrared temperature detection device 7, electrostatic precipitation net 8, temperature sensor 9, dry-type transformer 10.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to embodiment pair
The utility model is described in further detail, and embodiment is merely to illustrate the utility model, is not limited to the model of the utility model
It encloses.
As in Fig. 1-5, a kind of cooling system of dry-type transformer includes the cooling blower 1 of multiple parallel connections, each air-cooler point
It is not connect with a breaker, the auxiliary node of breaker is electrically connected with main equipment room DCS control systems 2, and cooling blower 1 is close
The side of transformer is equipped with cooling device 3, and the cooling device 3 includes finned tube 4, and 4 both ends of finned tube are by pipeline and dissipate
Thermal 5 is connected to, and coolant liquid is filled in pipe, keeps coolant liquid in pipe internal circulation flow by coolant circulation unit 6.Open circuit
Device can be used to distribute electric energy, avoid continually starting motor, be protected to implementations such as power circuit and motor, serious when occurring
It can automatic shutdown circuit when overload or short circuit and the failures such as under-voltage.It is electrically connected, is increased with DCS control systems 2 by breaker
Abnormal alarm signal is switched, convenient for the operating status of real time monitoring cooling blower, is conducive to operating personnel and captures failure in time
Tendency information.Using the coolant liquid in cooling device 3, first air is quickly cooled down by finned tube 4, improves cooling system
Cooling effect, it is ensured that dry-type transformer is steady in a long-term, Effec-tive Function.
Further include infrared temperature detection device 7, infrared temperature detection device 7 and DCS control systems 2 in preferred scheme
Electrical connection, the temperature for monitoring dry-type transformer.When the temperature of dry-type transformer reaches different assigned temperatures, DCS controls
System 2 processed automatically controls cooling blower in parallel and starts or stops, energy saving.
In preferred scheme, the cooling blower 1 is in the side far from transformer at least provided with one layer of electrostatic precipitation net
8, electrostatic precipitation net（8）With cooling blower（1）To be detachably connected.Electrostatic precipitation net 8 is made of stainless steel, with warp
Transformed low-voltage dc power supply connection.Electrostatic precipitation net 8 can be handled the sand and dust in sucking air, also be revolved as high speed
The protective device for turning fan blade effectively prevent the sundries such as extraneous sand and dust to enter inside cooling blower 1, avoid causing wind turbine burn and
Fan blade is broken, and is caused any property loss, is improved the safety of cooling blower.It is detachably connected and ash conveniently is cleared up to electrostatic precipitation net 8
Dirt or repair.
In preferred scheme, the cooling blower 1 is frequency conversion fan, and frequency conversion fan is electrically connected with DCS control systems 2.
According to the temperature of dry-type transformer, DCS control systems 2 automatically control the rotating speed of cooling blower 1, real under the premise of ensuring safety
Existing economical operation.
In preferred scheme, the finned tube 4 is seamless metal finned tube, not only improves heat transfer efficiency, promotes cooling
Effect, and prevent coolant liquid leakage from generating secondary pollution.
In preferred scheme, the radiator 5 includes metal coil pipe, and metal coil pipe is placed in underground water, utilizes the summer
Ground water temperature is relatively low when season, and convenient for taking away the heat of coolant liquid, good cooling results have properly settled dry-type transformer summer fortune
Heat dissipation problem when row, and non-secondary pollution, energy conservation and environmental protection.It can be according to the actual conditions of transformer station, by metal coil pipe
It is placed in the water in river or gutter, the heat of radiator 5 is taken away.
In preferred scheme, the radiator 5 is equipped with temperature sensor 9, temperature sensor 9 and DCS control systems 2
Electrical connection, the temperature for monitoring coolant liquid.In winter when the temperature difference of coolant liquid and air reaches designated value, DCS controls system
System 2 automatically controls coolant circulation unit 6 and starts or stops, energy saving.It, can be with and when coolant temperature variation is little
Secondary-confirmation cooling blower 1 is out of service.
In preferred scheme, the coolant liquid is ultra-pure water, and not only specific heat is big, at low cost, can avoid in cooling device 3
In-tube fouling causes to block, it is ensured that cooling device 3 is steady in a long-term, Effec-tive Function, and will not be polluted ultra-pure water is revealed
Environment, it is more environmentally-friendly efficient.
In preferred scheme, the coolant circulation unit 6 includes screw pump, and screw pump is electrically connected with DCS control systems 2
It connects.There is suction capacity, flow trim, high efficient and reliable and long lifespan using screw pump, it can be by coolant liquid from being placed in underground water
Finned tube 4 is uniformly inputted in radiator 5, realizes that coolant liquid, without revealing, avoids the need for frequently supplementing in pipe internal circulation flow
Coolant liquid reduces operating cost.According to the temperature of dry-type transformer, DCS control systems 2 automatically control the startup of screw pump or stop
Only, economical operation is realized.
In preferred scheme, the cooling blower 1 is mounted on the surface or side of dry-type transformer 10, exhaust outlet position
In the lower section of dry-type transformer 10, strengthens cross-ventilation and further increase cooling effect.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim include the technical solution of claim record
The equivalents of middle technical characteristic are protection domain.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (9)
1. a kind of cooling system of dry-type transformer includes the cooling blower of multiple parallel connections（1）, it is characterised in that：Each air-cooler
It is connect respectively with a breaker, auxiliary node and the main equipment room DCS control systems of breaker（2）Electrical connection, cooling blower（1）
It is being equipped with cooling device close to the side of transformer（3）；
The cooling device（3）Including finned tube（4）, finned tube（4）Both ends pass through pipeline and radiator（5）Connection, pipe
It is interior to be filled with coolant liquid, pass through coolant circulation unit（6）Keep coolant liquid in pipe internal circulation flow.
2. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：Further include that infrared temperature is visited
Survey device（7）, infrared temperature detection device（7）With DCS control systems（2）Electrical connection, the temperature for monitoring dry-type transformer.
3. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：The cooling blower（1）
In the side far from transformer at least provided with one layer of electrostatic precipitation net（8）, electrostatic precipitation net（8）With cooling blower（1）It is removable
Unload connection.
4. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：The cooling blower（1）
For frequency conversion fan, frequency conversion fan and DCS control systems（2）Electrical connection.
5. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：The finned tube（4）For
Seamless metal finned tube.
6. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：The radiator（5）
Including metal coil pipe, metal coil pipe is placed in underground water.
7. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：The radiator（5）
Equipped with temperature sensor（9）, temperature sensor（9）With DCS control systems（2）Electrical connection, the temperature for monitoring coolant liquid.
8. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：The coolant liquid is ultrapure
Water.
9. a kind of cooling system of dry-type transformer according to claim 1, it is characterized in that：The coolant liquid cycle dress
It sets（6）Including screw pump, screw pump and DCS control systems（2）Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251863.XU CN208045246U (en) | 2018-02-12 | 2018-02-12 | A kind of cooling system of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251863.XU CN208045246U (en) | 2018-02-12 | 2018-02-12 | A kind of cooling system of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045246U true CN208045246U (en) | 2018-11-02 |
Family
ID=63953094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820251863.XU Expired - Fee Related CN208045246U (en) | 2018-02-12 | 2018-02-12 | A kind of cooling system of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967727A (en) * | 2019-04-28 | 2019-07-05 | 安徽合力股份有限公司合肥铸锻厂 | A kind of high temperature casting atomization air cooling system |
-
2018
- 2018-02-12 CN CN201820251863.XU patent/CN208045246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967727A (en) * | 2019-04-28 | 2019-07-05 | 安徽合力股份有限公司合肥铸锻厂 | A kind of high temperature casting atomization air cooling system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |