CN209675068U - Transformer cooling device - Google Patents
Transformer cooling device Download PDFInfo
- Publication number
- CN209675068U CN209675068U CN201921295294.XU CN201921295294U CN209675068U CN 209675068 U CN209675068 U CN 209675068U CN 201921295294 U CN201921295294 U CN 201921295294U CN 209675068 U CN209675068 U CN 209675068U
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- Prior art keywords
- cabinet
- transformer
- air
- cooling device
- relief valve
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Abstract
The utility model discloses a kind of transformer cooling devices, are related to transformer technology field, and main purpose is to improve the cooling efficiency of transformer.The main technical schemes of the utility model are as follows: a kind of transformer cooling device, the device include: cooling end and relief portion；Cooling end includes cabinet and circulating water pipe, and cabinet is wrapped in transformer, and circulating water pipe is attached at cabinet, for reducing the temperature of cabinet；Relief portion includes air inlet pipe, relief valve and pressure reducing mechanism, and relief valve is set to box inside, and the side wall of cabinet is run through in one end of air inlet pipe, and the other end is connected to the import of relief valve, and pressure reducing mechanism is connected to cabinet, for extracting the intracorporal air of case out.
Description
Technical field
The utility model relates to transformer technology field more particularly to a kind of transformer cooling devices.
Background technique
In the process of running, the high temperature air of generation drains into interior to high-voltage frequency converter, causes room temperature to rise rapidly, no
The raw temperature enrichment of stopping pregnancy.The air-conditioning of indoor location need to increase load and just be able to satisfy requirement.
In this way, the indoor high temperature air of frequency converter can not timely and effective discharge it is outdoor, the load of air-conditioning is also bigger, air-conditioning
Damage rate is larger.
This just needs a kind of new device, is aerated cooling processing, the ventilation of the transformer room Lai Tigao to transformer room
Cooling effect.
Utility model content
In view of this, the present invention provides a kind of transformer cooling device, main purpose is to improve the cooling of transformer
Efficiency.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
The utility model provides a kind of transformer cooling device, which includes: cooling end and relief portion；The cooling
Portion includes cabinet and circulating water pipe, and the cabinet is wrapped in transformer, and the circulating water pipe is attached at the cabinet, for reducing
The temperature of the cabinet；The relief portion includes air inlet pipe, relief valve and pressure reducing mechanism, and the relief valve is set to the cabinet
The side wall of the cabinet is run through in inside, one end of the air inlet pipe, and the other end is connected to the import of the relief valve, the decompression
Mechanism is connected to the cabinet, for extracting the intracorporal air of the case out.
It the purpose of this utility model and solves its technical problem also following technical measures can be used to further realize.
Optionally, the relief valve is located at the lower box, and the pressure reducing mechanism includes escape pipe and air inducing component, institute
The one end for stating escape pipe is connected to the roof of the cabinet, and the other end is connected to the air inducing component, for draining gas to institute
It states outside cabinet.
Optionally, one end of the escape pipe is protruded into the cabinet, and is connected with stream guidance fan housing, and the stream guidance fan housing covers
It is placed on the upper end of transformer, for guiding the intracorporal air-flow of the case.
Optionally, the circulating water pipe is helically wound around the side wall of the cabinet.
Optionally, the side wall of the cabinet is equipped with switch gate, and the air inlet pipe is connected to the switch gate, the switch gate
Edge be equipped with sealing joint strip.
It optionally, further include pressure sensor, the pressure sensor is connected to the cabinet, for described in real-time display
The intracorporal gas pressure value of case, the air inducing component is equipped with frequency converter, for adjusting the output power of the air inducing component.
Optionally, the air inducing component is axial flow blower.
Optionally, the air inducing component is vacuum pump.
By above-mentioned technical proposal, the utility model is at least had the advantage that
Firstly, the circulating water pipe drainage cycle water is flowed along the cabinet exterior, and takes away transformer and pass to cabinet
Heat, reduce the bulk temperature of cabinet；The differential pressure of atmospheric pressure of relief valve control cabinet inside and outside, meanwhile, pressure reducing mechanism extracts institute out
The intracorporal air of case is stated, guarantees that the intracorporal air pressure of the case is always less than the air pressure outside cabinet, the intracorporal saturated vapor of case
Pressure is less than the standard atmospheric pressure outside cabinet, and because relief valve effect, the pressure difference holding inside and outside cabinet is basically unchanged, institute
It is reduced with the condensation point of air in cabinet, so intracorporal air of case will not drop to 100 DEG C or less because of the intracorporal temperature of case
And condense at once, while also formed according to this through cabinet outside, ensure that with the air-flow of pressure reducing mechanism, the air-flow in relief valve, cabinet
The intracorporal air circulation of case, while also taking 100 DEG C of air below out of cabinet, avoid condensed water from being attached to the table of transformer
Face.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of transformer cooling device provided by the embodiment of the utility model.
Appended drawing reference in Figure of description includes: cabinet 1, circulating water pipe 2, air inlet pipe 3, relief valve 4, escape pipe 5, draws
Wind part 6, stream guidance fan housing 7, switch gate 8, pressure sensor 9, transformer 10.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to specific embodiment, structure, feature and its function according to the present utility model application
Effect, detailed description is as follows.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the transformer cooling device that one embodiment of the utility model provides comprising: cooling end and
Relief portion；Cooling end includes cabinet 1 and circulating water pipe 2, and cabinet 1 is wrapped in transformer, and circulating water pipe 2 is attached at cabinet 1, is used for
Reduce the temperature of cabinet 1；Relief portion includes air inlet pipe 3, relief valve 4 and pressure reducing mechanism, and relief valve 4 is set to 1 inside of cabinet, into
The side wall of cabinet 1 is run through in one end of tracheae 3, and the other end is connected to the import of relief valve 4, and pressure reducing mechanism is connected to cabinet 1, is used for
Extract the air in cabinet 1 out.
The transformer cooling device course of work is as follows:
2 drainage cycle water of circulating water pipe is flowed along 1 outer wall of cabinet, and takes away the heat that transformer passes to cabinet 1, is reduced
The bulk temperature of cabinet 1；Relief valve 4 controls the differential pressure of atmospheric pressure inside and outside cabinet 1, meanwhile, pressure reducing mechanism extracts the sky in cabinet 1 out
Gas guarantees that the air pressure in cabinet 1 is always less than the air pressure outside cabinet 1, and the saturated vapour pressure in cabinet 1 is less than the mark outside cabinet 1
Quasi- atmospheric pressure, and because relief valve 4 effect, the pressure difference holding inside and outside cabinet 1 is basically unchanged, so air in cabinet 1
Condensation point reduce, the air in such cabinet 1 will not condense at once because the temperature in cabinet 1 drops to 100 DEG C or less,
Also formed simultaneously according to this it is outer through cabinet 1, in relief valve 4, cabinet 1 with the air-flow of pressure reducing mechanism, which ensure that in cabinet 1
Air circulation, while also taking 100 DEG C of air below out of cabinet 1, avoid condensed water from being attached to the surface of transformer.
In the technical solution of the utility model, on the one hand, the cooling effect due to recirculated water to cabinet 1；On the other hand,
Moving air also takes away the hot-air in cabinet 1, improves the cooling efficiency of transformer；Meanwhile also avoiding the table of transformer
Condensed water is adhered in face, avoids the generation because of water electric leakage accident.
Specifically, relief valve 4 uses API type safety valve 526CC, guarantee the pressure difference of 4 front and back of relief valve, guarantees cabinet 1
Under the premise of inner air and outer air flows, cabinet 1 is inside and outside to form pressure difference, guarantees the decline of saturated vapour pressure in cabinet 1.
As shown in Figure 1, in a specific embodiment, relief valve 4 is located at 1 lower part of cabinet, pressure reducing mechanism includes 5 He of escape pipe
Air inducing component 6, one end of escape pipe 5 are connected to the roof of cabinet 1, and the other end is connected to air inducing component 6, for draining gas extremely
Outside cabinet 1.
In the present embodiment, relief valve 4 is located at 1 lower inside of cabinet, i.e., air is first discharged to 1 lower part of cabinet, and is risen
It rises to 1 top of cabinet, is finally released from escape pipe 5, meet the characteristic that air rises naturally, and during air-flow rises, stream
The heat of transformer generation is taken away on the surface for crossing transformer.
As shown in Figure 1, in a specific embodiment, one end of escape pipe 5 is protruded into cabinet 1, and is connected with stream guidance fan housing
7, stream guidance fan housing 7 is covered in the upper end of transformer 10, for guiding the air-flow in cabinet 1.
In the present embodiment, the lower edge of stream guidance fan housing 7 is located at the upper end of transformer 10, is just air-flow along cabinet 1
Side wall rises to the roof of cabinet 1, also reflux cabinet finally can be discharged through stream guidance fan housing 7 to the lower edge of stream guidance fan housing 7 downwards
1；The air of downward reflux also functions to certain cooling effect to the upper end of transformer.
In a specific embodiment, circulating water pipe 2 is helically wound around the side wall of cabinet 1.
In the present embodiment, circulating water pipe 2 hovers above the side wall of cabinet 1.Firstly, multi-turn circulating water pipe 2 can cover
Each side wall of cabinet 1, while recirculated water is also increased along the time of 1 wall flow of cabinet, it ensure that recirculated water and cabinet 1 change
The time of heat, it ensure that the heat exchange efficiency of recirculated water.
As shown in Figure 1, in a specific embodiment, the side wall of cabinet 1 is equipped with switch gate 8, and air inlet pipe 3 is connected to switch gate
8, the edge of switch gate 8 is equipped with sealing joint strip.
In the present embodiment, the edge of switch gate 8 is equipped with sealing strip, when turning off the switch door 8, guarantees the side of switch gate 8
The air-tightness of edge avoids air from entering in cabinet 1 through 8 edge of switch gate, avoids damage to relief valve 4 and controls 1 inside and outside differential pressure of cabinet
Machining function.
Specifically, air inlet pipe 3 is fixedly connected on switch gate 8, and relief valve 4 is connected to air inlet pipe 3, when relief valve 4 needs
When maintenance, door 8 is turned on the switch, relief valve 4 is just moved to outside cabinet 1 with switch gate 8, convenient for the disassembly operation of relief valve 4.
As shown in Figure 1, further including pressure sensor 9 in a specific embodiment, pressure sensor 9 is connected to cabinet 1,
For the gas pressure value in real-time display cabinet 1, air inducing component 6 is equipped with frequency converter, for adjusting the output work of air inducing component 6
Rate.
In the present embodiment, specifically, pressure sensor 9 is fixedly connected on the side wall of cabinet 1, frequency converter, which is connected to, to be drawn
The terminal box of 6 motor of wind part；The present apparatus is additionally provided with PLC controller simultaneously, and PLC controller is electrically connected in pressure sensor
9 and frequency converter, the level value of minimum negative pressure in corresponding cabinet 1 is stored in PLC controller, and (the minimum negative pressure corresponds to cabinet 1
The maximum differential pressure that can bear)；The electric signal that PLC controller is transmitted according to pressure sensor 9 controls frequency converter, and then controls
The output power of air inducing component 6, when pressure reaches minimum negative pressure in cabinet 1, air inducing component 6 stops output power, so that it may
The maximum value that can bear the negative regulation in cabinet 1 in the mechanical structure of cabinet 1, on the one hand ensure that the negative pressure of cabinet 1
Value, on the one hand will not make the mechanical structure of cabinet 1 be damaged.
In a specific embodiment, air inducing component 6 is axial flow blower.
In the present embodiment, axial flow blower leads to the air-flow in cabinet 1 outside cabinet 1, is commonly used equipment, also in market
On be readily available, maintenance cost is relatively low.
In a specific embodiment, air inducing component 6 is vacuum pump.
In the present embodiment, vacuum pump and frequency converter combination, the revolving speed of vacuum pump can achieve accurately to be controlled very much, right
The control of pressure value in cabinet 1 can achieve accurately to be controlled very much, and the pressure value in cabinet 1 can be made to reach 1 structure of cabinet
The limiting value that can bear.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of transformer cooling device characterized by comprising
Cooling end, the cooling end include cabinet and circulating water pipe, and the cabinet is wrapped in transformer, and the circulating water pipe attaches
In the cabinet, for reducing the temperature of the cabinet；
Relief portion, the relief portion include air inlet pipe, relief valve and pressure reducing mechanism, and the relief valve is set in the cabinet
The side wall of the cabinet is run through in side, one end of the air inlet pipe, and the other end is connected to the import of the relief valve, the negative booster
Structure is connected to the cabinet, for extracting the intracorporal air of the case out.
2. transformer cooling device according to claim 1, which is characterized in that the relief valve is located under the cabinet
Portion, the pressure reducing mechanism include escape pipe and air inducing component, and one end of the escape pipe is connected to the roof of the cabinet, another
End is connected to the air inducing component, for draining outside gas to the cabinet.
3. transformer cooling device according to claim 2, which is characterized in that the case is protruded into one end of the escape pipe
In vivo, and it is connected with stream guidance fan housing, the stream guidance fan housing is covered in the upper end of transformer, for guiding the intracorporal gas of the case
Stream.
4. transformer cooling device according to claim 1, which is characterized in that the circulating water pipe is helically wound around described
The side wall of cabinet.
5. transformer cooling device according to any one of claims 1 to 4, which is characterized in that the side wall of the cabinet is set
There is switch gate, the air inlet pipe is connected to the switch gate, and the edge of the switch gate is equipped with sealing joint strip.
6. transformer cooling device according to claim 2 or 3, which is characterized in that it further include pressure sensor, the pressure
Force snesor is connected to the cabinet, and for the intracorporal gas pressure value of case described in real-time display, the air inducing component, which is equipped with, to be become
Frequency device, for adjusting the output power of the air inducing component.
7. transformer cooling device according to claim 2, which is characterized in that the air inducing component is axial flow blower.
8. transformer cooling device according to claim 2, which is characterized in that the air inducing component is vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295294.XU CN209675068U (en) | 2019-08-12 | 2019-08-12 | Transformer cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295294.XU CN209675068U (en) | 2019-08-12 | 2019-08-12 | Transformer cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209675068U true CN209675068U (en) | 2019-11-22 |
Family
ID=68575908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921295294.XU Active CN209675068U (en) | 2019-08-12 | 2019-08-12 | Transformer cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209675068U (en) |
-
2019
- 2019-08-12 CN CN201921295294.XU patent/CN209675068U/en active Active
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