CN210272010U - Dry-type transformer cooling system and dry-type transformer system - Google Patents
Dry-type transformer cooling system and dry-type transformer system Download PDFInfo
- Publication number
- CN210272010U CN210272010U CN201920465744.9U CN201920465744U CN210272010U CN 210272010 U CN210272010 U CN 210272010U CN 201920465744 U CN201920465744 U CN 201920465744U CN 210272010 U CN210272010 U CN 210272010U
- Authority
- CN
- China
- Prior art keywords
- dry
- port
- heat exchange
- communicated
- type transformer
- 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
Images
Abstract
The utility model discloses a dry-type transformer cooling system and dry-type transformer system, including refrigerant refrigerating system and the water cooling system who is connected with the dry-type transformer, the water cooling system includes first heat transfer device, refrigerant refrigerating system is connected with first heat transfer device to make the refrigerant of refrigerant refrigerating system and the hot-medium in the first heat transfer device carry out the heat exchange; the cooling water of the dry-type transformer can be quickly cooled through the heat exchange of the refrigerant in the first heat exchange device.
Description
Technical Field
The utility model relates to a dry-type transformer field, in particular to dry-type transformer cooling system and dry-type transformer system.
Background
At present, an air-water cooler is additionally arranged inside a dry-type transformer box body of the water-cooled dry-type transformer for offshore wind power, and the air-water cooler circulates to an external water-air cooler through a closed water path to dissipate heat in the transformer box body, so that the heat dissipation problem under the condition of high protection level is solved; in order to reduce the power generation cost of offshore wind power, the characteristics of climate with high wind speed and small wind resistance, which are different from the land environment (the height of land topography is fluctuated, and the wind speed is slowed down), are better utilized, a generator set with larger capacity and a fan with larger diameter are popularized and operated, the capacity of a transformer is also larger and larger, the loss of the transformer is also larger and larger, and an effective heat dissipation method is more and more important.
The existing water-cooled dry-type transformer for offshore wind power is provided with a cooling water outlet and a cooling water inlet, cooling water is discharged from the cooling water outlet after cooling the dry-type transformer, enters a water-air cooler, reduces the temperature of the water-air cooler through an external cooling fan, and is input into the dry-type transformer through the cooling water inlet to be cooled, and the cooling water circulates.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a dry-type transformer cooling system, the temperature that can solve the cooling water among the dry-type transformer cooling system descends and does not obviously lead to among the dry-type transformer box high temperature, the bulky problem of transformer.
The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: a dry-type transformer cooling system comprising:
the water cooling system is connected with the dry type transformer and comprises a first heat exchange device;
the refrigerant refrigeration system is connected with the first heat exchange device so that the refrigerant of the refrigerant refrigeration system and the heat medium in the first heat exchange device exchange heat.
The refrigerant refrigeration system comprises a control device, a compression device and a second heat exchange device, wherein the control device controls the compression device to act so that the refrigerant can sequentially pass through the compression device, the second heat exchange device and the first heat exchange device.
Further, still include refrigeration expansion valve and high-pressure reservoir, be provided with first inlet and liquid outlet on the high-pressure reservoir, first inlet and second heat transfer device intercommunication, the liquid outlet communicates with refrigeration expansion valve's one end, and refrigeration expansion valve's the other end and first heat transfer device intercommunication.
The compressor further comprises a first reversing valve, a second reversing valve and a heating expansion valve, wherein the first reversing valve is provided with a first port, a second port, a third port and a fourth port, the second reversing valve is provided with a first reversing port, a second reversing port and a third reversing port, the compressor is provided with a first air inlet and a first air outlet, the first air inlet is communicated with the first port, the second port is communicated with the first heat exchange device, the third port is communicated with the second heat exchange device, the first air inlet is communicated with the first air outlet through the fourth port, the first reversing port is communicated with a liquid outlet of a high-pressure liquid storage device, the second reversing port is communicated with one end of the cooling expansion valve, the third reversing port is communicated with one end of the heating expansion valve, the other end of the heating expansion valve is communicated with the second heat exchange device, a first liquid inlet of the high-pressure liquid storage device is communicated with the first heat exchange device, one-way valves are arranged between the heating expansion valve and the first liquid inlet of the high-pressure liquid storage device and between the first heat exchange device and the first liquid inlet of the high-pressure liquid storage device, and the control device can control the first reversing valve and the second reversing valve to act so as to change the flow direction of the refrigerant.
And a drying filter is arranged between the liquid outlet of the high-pressure liquid accumulator and the first reversing port of the second reversing valve.
An economizer is arranged between the drying filter and the first reversing port of the second reversing valve.
And a liquid separating pipe is arranged between the heating expansion valve and the second heat exchange device.
And the steam-liquid separator is provided with a second air inlet and a second air outlet, the second air inlet is communicated with the fourth port, and the second air outlet is communicated with the first air inlet.
The dry type transformer system comprises a dry type transformer and a dry type transformer cooling system, wherein a second cooling liquid inlet and a second cooling liquid outlet are formed in the dry type transformer, a first cooling liquid inlet and a first cooling liquid outlet are formed in the first heat exchange device, the second cooling liquid outlet is communicated with the first cooling liquid inlet, and the second cooling liquid inlet is communicated with the first cooling liquid outlet.
And the pump station is arranged between the second cooling liquid outlet of the dry-type transformer and the first cooling liquid inlet of the first heat exchange device.
The utility model has the advantages that: the utility model discloses a refrigerant refrigerating system and the water cooling system who is connected with dry-type transformer, the water cooling system includes first heat transfer device, refrigerant refrigerating system is connected with first heat transfer device to make the refrigerant of refrigerant refrigerating system and the hot-medium in the first heat transfer device carry out the heat exchange; the cooling water of the dry-type transformer can be quickly cooled through the heat exchange of the refrigerant in the first heat exchange device.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of a dry-type transformer system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a refrigerant refrigeration system according to an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1-2, a dry-type transformer cooling system includes:
the water cooling system 16 is connected with the dry-type transformer 13, and the water cooling system 16 comprises a first heat exchange device 2;
and the refrigerant refrigeration system 17 is characterized in that the refrigerant refrigeration system 1 is connected with the first heat exchange device 2, so that the refrigerant of the refrigerant refrigeration system 1 exchanges heat with the heat medium in the first heat exchange device 2.
The refrigerant refrigeration system 17 comprises a control device, a compression device 1 and a second heat exchange device 3, wherein the control device controls the compression device 1 to act so that the refrigerant can sequentially pass through the compression device 1, the second heat exchange device 3 and the first heat exchange device 2.
The utility model discloses an embodiment, controlling means realizes the circulation of refrigerant in refrigerant refrigerating system through the operating condition of control compressor arrangement 1, and the refrigerant carries out heat exchange in first heat transfer device 2 and second heat transfer device 3, realizes cooling down dry-type transformer 13 exhaust coolant liquid fast, ensures that the temperature of the coolant liquid that circulates into dry-type transformer 13 once more can not be too high, and the temperature in the dry-type transformer 13 box is in reasonable within range, is favorable to reducing dry-type transformer 13's volume.
As preferred, the utility model discloses an embodiment still includes refrigeration expansion valve 5 and high-pressure reservoir 7, be provided with first inlet and liquid outlet on the high-pressure reservoir 7, first inlet and second heat transfer device 3 intercommunication, liquid outlet and refrigeration expansion valve 5's one end intercommunication, refrigeration expansion valve 5's the other end and first heat transfer device 2 intercommunication.
The high-pressure liquid storage device 7 stores high-pressure and low-temperature refrigerants cooled by the second heat exchange device 3, and the refrigerants in the high-pressure liquid storage device 7 are reduced in pressure by the refrigeration expansion valve 5 to become low-temperature and low-pressure refrigerants. And then the cooling liquid enters the first heat exchange device 2 to absorb the heat of the cooling liquid discharged by the dry type transformer 13, and the cooling liquid is evaporated into a gaseous state to take away the heat of the cooling liquid, so that the aim of reducing the temperature of the cooling liquid is fulfilled.
Preferably, the present invention further comprises a first direction valve 4, a second direction valve 6 and a heating expansion valve 8, wherein the first direction valve 4 is provided with a first port, a second port, a third port and a fourth port, the second direction valve 6 is provided with a first direction port, a second direction port and a third direction port, the compression device 1 is provided with a first air inlet and a first air outlet, the first air inlet is communicated with the first port, the second port is communicated with the first heat exchange device 2, the third port is communicated with the second heat exchange device 3, the first air inlet is communicated with the first air outlet through the fourth port, the first direction port is communicated with the liquid outlet of the high pressure reservoir 7, the second direction port is communicated with one end of the cooling expansion valve 5, the third direction port is communicated with one end of the heating expansion valve 8, the other end of the heating expansion valve 8 is communicated with the second heat exchange device 3, the first liquid inlet of the high-pressure liquid storage device 7 is communicated with the first heat exchange device 2, the one-way valves 10 are respectively arranged between the heating expansion valve 8 and the first liquid inlet of the high-pressure liquid storage device 7 and between the first heat exchange device 2 and the first liquid inlet of the high-pressure liquid storage device 7, the control device can control the first reversing valve 4 and the second reversing valve 6 to act so as to change the flow direction of the refrigerant, so that the cooling system has a cooling mode and a heating mode, the control device can realize the direction of the refrigerant entering the high-pressure liquid storage device 7 in the heating mode or the cooling mode by controlling the on-off of the one-way valve 10,
the first reversing valve 4 is preferably a four-way valve which is respectively communicated with the first heat exchange device 2, the first air outlet of the compression device 1, the first air outlet of the compression device 2 and the second heat exchange device 3, and the control device changes the circulation direction of the refrigerant by controlling the on-off of each valve of the four-way valve; the second reversing valve 6 is respectively communicated with the refrigeration expansion valve 5, the high-pressure liquid reservoir 7 and the heating expansion valve 8, and the control device can control the on-off of each valve of the second reversing valve 6 to change the circulating direction of the refrigerant.
In a refrigeration mode, a refrigerant is compressed by the compression device 1 to become a high-temperature high-pressure state, passes through the four-way valve, reaches the second heat exchange device 3, is cooled by the second heat exchange device 3 to become a low-temperature high-pressure state, enters the high-pressure liquid storage device 7 for storage, then passes through the second reversing valve 6 to reach the refrigeration expansion valve 5, the refrigeration expansion valve 5 reduces the pressure of the low-temperature high-pressure refrigerant, so that the refrigerant becomes a low-temperature low-pressure state, then enters the first heat exchange device 2 to absorb the heat of the cooling liquid to become the high-temperature low-pressure refrigerant, and finally returns to the compression device 1 from the first air inlet of the compression.
In the heating mode, the refrigerant is compressed by the compression device 1 to become a high-temperature and high-pressure state, passes through the four-way valve, reaches the first heat exchange device 2, releases heat in the first heat exchange device 2 to heat the cooling liquid to become a low-temperature and low-pressure state, passes through the high-pressure liquid storage device 7, reaches the second reversing valve 6, then reaches the heating expansion valve 8, is decompressed by the heating expansion valve 8 to become a gas state by evaporation in the second heat exchange device 3, and finally returns to the compression device 1, and the cycle is repeated.
In part of areas, the air temperature is low in winter, and cooling liquid in the dry-type transformer can be frozen and solidified, so that a heating mode is added, the cooling liquid is heated firstly, and is converted into a refrigerating mode after being cooled and liquefied into a liquid state, and the cooling liquid discharged by the dry-type transformer is cooled.
A drying filter 11 is arranged between the liquid outlet of the high-pressure liquid storage device 7 and the first reversing port of the second reversing valve 6; the drying filter 11 is used for drying and filtering the refrigerant, and filtering out moisture in the refrigerant, so that the state conversion efficiency of the refrigerant in the first heat exchange device 2 or the second heat exchange device 3 is higher, and the conversion effect is best.
An economizer 15 is arranged between the drying filter 11 and the first reversing port of the second reversing valve 6; the economizer 15 can improve the working efficiency of the compression device 1 and improve the refrigerant circulation efficiency.
A liquid separating pipe 9 is arranged between the heating expansion valve 8 and the second heat exchange device 3; the liquid separating pipe 9 is provided with a plurality of fine branch pipes, which is beneficial to heating the refrigerant in the second heat exchange device 3 after the refrigerant is pressurized by the heating expansion valve 8, so that the heating speed is higher.
Further, the device also comprises a gas-liquid separator 12, wherein a second gas inlet and a second gas outlet are arranged on the gas-liquid separator 12, the second gas inlet is communicated with the fourth port, and the second gas outlet is communicated with the first gas inlet; the gas-liquid separator 12 is used for separating gas and liquid in the refrigerant, the gas is used for recycling, and the liquid is discharged.
Referring to fig. 1, the dry type transformer system includes a dry type transformer 13 and a dry type transformer cooling system, a second cooling liquid inlet and a second cooling liquid outlet are arranged on the dry type transformer 13, a first cooling liquid inlet and a first cooling liquid outlet are arranged on the first heat exchanging device 2, the second cooling liquid outlet is communicated with the first cooling liquid inlet, and the second cooling liquid inlet is communicated with the first cooling liquid outlet.
Further, a pumping station 14 is further included, and the pumping station 14 is arranged between the second cooling liquid outlet of the dry-type transformer 13 and the first cooling liquid inlet of the first heat exchange device 2.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. Dry-type transformer cooling system characterized by, includes:
the water cooling system (16) is connected with the dry type transformer (13), and the water cooling system (16) comprises a first heat exchange device (2);
the refrigerant refrigeration system (17), the refrigerant refrigeration system (17) is connected with the first heat exchange device (2) so that the refrigerant of the refrigerant refrigeration system (17) and the heat medium in the first heat exchange device (2) exchange heat.
2. Dry-type transformer cooling system according to claim 1, characterized in that: the refrigerant refrigeration system (17) comprises a control device, a compression device (1) and a second heat exchange device (3), wherein the control device controls the compression device (1) to act so that a refrigerant can sequentially pass through the compression device (1), the second heat exchange device (3) and the first heat exchange device (2).
3. Dry-type transformer cooling system according to claim 2, characterized in that: still include refrigeration expansion valve (5) and high-pressure reservoir (7), be provided with first inlet and liquid outlet on high-pressure reservoir (7), first inlet and second heat transfer device (3) intercommunication, the liquid outlet communicates with the one end of refrigeration expansion valve (5), and the other end and the first heat transfer device (2) intercommunication of refrigeration expansion valve (5).
4. Dry transformer cooling system according to claim 3, characterized in that: the refrigeration compressor further comprises a first reversing valve (4), a second reversing valve (6) and a heating expansion valve (8), wherein the first reversing valve (4) is provided with a first port, a second port, a third port and a fourth port, the second reversing valve (6) is provided with a first reversing port, a second reversing port and a third reversing port, the compression device (1) is provided with a first air inlet and a first air outlet, the first air inlet is communicated with the first port, the second port is communicated with the first heat exchange device (2), the third port is communicated with the second heat exchange device (3), the first air inlet is communicated with the first air outlet through the fourth port, the first reversing port is communicated with a liquid outlet of the high-pressure liquid storage device (7), the second reversing port is communicated with one end of the refrigeration expansion valve (5), the third reversing port is communicated with one end of the heating expansion valve (8), and the other end of the heating expansion valve (8) is communicated with the second heat exchange device (3), the first liquid inlet of the high-pressure liquid storage device (7) is communicated with the first heat exchange device (2), one-way valves (10) are arranged between the heating expansion valve (8) and the first liquid inlet of the high-pressure liquid storage device (7) and between the first heat exchange device (2) and the first liquid inlet of the high-pressure liquid storage device (7), and the control device can control the first reversing valve (4) and the second reversing valve (6) to act so as to change the flow direction of a refrigerant.
5. Dry transformer cooling system according to claim 4, characterized in that: and a drying filter (11) is arranged between the liquid outlet of the high-pressure liquid storage device (7) and the first reversing port of the second reversing valve (6).
6. Dry transformer cooling system according to claim 5, characterized in that: an economizer (15) is arranged between the drying filter (11) and the first reversing port of the second reversing valve (6).
7. Dry transformer cooling system according to claim 4, characterized in that: a liquid separating pipe (9) is arranged between the heating expansion valve (8) and the second heat exchange device (3).
8. Dry transformer cooling system according to claim 4, characterized in that: the gas-liquid separator is characterized by further comprising a gas-liquid separator (12), wherein a second gas inlet and a second gas outlet are formed in the gas-liquid separator (12), the second gas inlet is communicated with the fourth port, and the second gas outlet is communicated with the first gas inlet.
9. Dry-type transformer system, its characterized in that: dry-type transformer cooling system comprising a dry-type transformer (13) and any one of claims 1 to 8, wherein the dry-type transformer (13) is provided with a second cooling liquid inlet and a second cooling liquid outlet, the first heat exchanging device (2) is provided with a first cooling liquid inlet and a first cooling liquid outlet, the second cooling liquid outlet is communicated with the first cooling liquid inlet, and the second cooling liquid inlet is communicated with the first cooling liquid outlet.
10. Dry transformer system according to claim 9, characterized in that: the dry-type transformer cooling system further comprises a pump station (14), wherein the pump station (14) is arranged between the second cooling liquid outlet of the dry-type transformer (13) and the first cooling liquid inlet of the first heat exchange device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465744.9U CN210272010U (en) | 2019-04-08 | 2019-04-08 | Dry-type transformer cooling system and dry-type transformer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465744.9U CN210272010U (en) | 2019-04-08 | 2019-04-08 | Dry-type transformer cooling system and dry-type transformer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210272010U true CN210272010U (en) | 2020-04-07 |
Family
ID=70021856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920465744.9U Active CN210272010U (en) | 2019-04-08 | 2019-04-08 | Dry-type transformer cooling system and dry-type transformer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210272010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060844A (en) * | 2019-04-08 | 2019-07-26 | 广东瑞智电力科技有限公司 | Dry-type transformer refrigeration system and dry-type transformer system |
-
2019
- 2019-04-08 CN CN201920465744.9U patent/CN210272010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060844A (en) * | 2019-04-08 | 2019-07-26 | 广东瑞智电力科技有限公司 | Dry-type transformer refrigeration system and dry-type transformer system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100451492C (en) | Integrated air-conditioning system of solar-assisted soil source CO2 trans-critical heat pump | |
| CN102645060B (en) | Multi-split air conditioning system | |
| CN104235978B (en) | Cold storage and heat storage type air conditioner | |
| CN103129348A (en) | Electric vehicle heat pump system | |
| CN206670103U (en) | A kind of cooling unit with auxiliary cold source | |
| CN103129349A (en) | Electric vehicle air conditioner system | |
| CN106595112A (en) | Solar heat accumulation type two-stage compressed air source heat pump system and operation method thereof | |
| CN204943957U (en) | A kind of air injection enthalpy-increasing air-cooled cold (heat) water unit | |
| CN210272010U (en) | Dry-type transformer cooling system and dry-type transformer system | |
| CN206637881U (en) | Cooling cycle system | |
| CN204202062U (en) | With the water-cooled cooling water air conditioner unit of ice-reserving function | |
| CN210821747U (en) | Heat dissipation loop of automobile heat pump air conditioner and air conditioning system thereof | |
| CN1137359C (en) | Lithium bromide absorption type refrigerator suitable for large temp differnece and able to fully utilize energy | |
| CN217900220U (en) | Evaporation condensation heat pump unit with hydraulic module | |
| CN218677306U (en) | Automobile battery thermal management system | |
| CN204787377U (en) | Diaphragm compressor's artifical refrigerating system | |
| CN203478742U (en) | Bidirectional throttling system of air-cooled heat pump unit | |
| CN215983354U (en) | Secondary refrigerant circulating system | |
| CN115289714A (en) | Evaporation condensation heat pump unit with hydraulic module and control method thereof | |
| CN211926186U (en) | Air conditioning system | |
| CN210463294U (en) | Mobile air conditioner | |
| CN204555419U (en) | Air-conditioning system | |
| CN105953337A (en) | Ice heat storage air conditioning unit and control method thereof | |
| CN206755436U (en) | A kind of ice-storage air-conditioning system | |
| CN205783481U (en) | Ice thermal storage air conditioning unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Patentee after: Guangdong Mingyang Electric Co.,Ltd. Address before: No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Patentee before: Guangdong Mingyang Electric Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |