CN204010918U - A kind of cooling device for dry-type transformer - Google Patents
A kind of cooling device for dry-type transformer Download PDFInfo
- Publication number
- CN204010918U CN204010918U CN201420478663.XU CN201420478663U CN204010918U CN 204010918 U CN204010918 U CN 204010918U CN 201420478663 U CN201420478663 U CN 201420478663U CN 204010918 U CN204010918 U CN 204010918U
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- China
- Prior art keywords
- cooling chamber
- dry
- type transformer
- control module
- cooling
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 80
- 239000003507 refrigerant Substances 0.000 claims abstract description 34
- 239000002826 coolant Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 238000005057 refrigeration Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a kind of cooling device for dry-type transformer, comprise cooling chamber, refrigerating system and control module, described cooling chamber is divided into upper casing and lower casing, described upper casing top has for dry-type transformer high, the circular hole that low-tension bushing passes, described sleeve pipe passes circular hole part by sealing ring tight seal, described dry-type transformer is fixed in cooling chamber cavity, in described cooling chamber, circulated coolant media, described refrigerating system is carried out kind of refrigeration cycle to coolant media, to meet the requirement of the cooling dry-type transformer of coolant media, bottom, described cooling chamber side is provided with the inlet valve into refrigerant, another top to side of cooling chamber is provided with out the outlet valve of refrigerant, top, cooling chamber side is also provided with temperature sensor, described control module is electrically connected at the refrigerant compressor in temperature sensor and refrigerating system, described control module is according to the online temperature value of temperature sensor measurement transmission, the work of nonstick system of control cold compressor.
Description
Technical field
The utility model relates to a kind of cooling device for dry-type transformer.
Background technology
Dry-type transformer is in running, under the effect of electricity and magnetic, its winding and iron core can generate heat, design and operation mode due to dry-type transformer uniqueness, himself radiating effect is very poor, now as can not be in time heat taken away, to cause dry-type transformer to burn the even serious accident of blast, the type of cooling of conventional dry transformer is to be dried by fan, or naturally cooling, these two kinds of type of cooling cooling effectivenesss are very low, the scope that cools is very little, be subject to such environmental effects large, often cause dry-type transformer copper iron loss large, overload and Short Circuit withstand current capacity are little, the shortcomings such as the short and safe class of insulation life is not enough.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, a kind of cooling device for dry-type transformer and using method are provided, can take away safe, reliable, efficient, economically the heat energy that dry-type transformer in service produces, and can greatly reduce the copper iron loss of dry-type transformer, greatly improve its overload capacity and Short Circuit withstand current capacity, increase the service life, the safety of powerful guarantee electric power system, economical operation.
The scheme that technical solution problem of the present invention adopts is a kind of cooling device for dry-type transformer, comprise cooling chamber, refrigerating system and control module, it is characterized in that: described cooling chamber is divided into upper casing and lower casing, described upper casing top has for dry-type transformer high, the circular hole that low-tension bushing passes, described sleeve pipe passes circular hole part by sealing ring tight seal, described dry-type transformer is fixed in cooling chamber cavity, in described cooling chamber, circulated coolant media, described refrigerating system is carried out kind of refrigeration cycle to coolant media, to meet the requirement of the cooling dry-type transformer of coolant media, bottom, described cooling chamber side is provided with the inlet valve into refrigerant, another top to side of cooling chamber is provided with out the outlet valve of refrigerant, top, cooling chamber side is also provided with temperature sensor, described control module is electrically connected at the refrigerant compressor in temperature sensor and refrigerating system, described control module is according to the online temperature value of temperature sensor measurement transmission, the work of nonstick system of control cold compressor.
Further, described coolant media is SF
6medium.
Further, described refrigerating system is partly comprised of the coolant media circulating in refrigerant compressor, condenser, choke valve and cooling chamber, the outlet of described cooling chamber connects the import of refrigerant compressor, the outlet of described refrigerant compressor connects the import of condenser, the outlet of described condenser connects choke valve import, choke valve outlet connects the import of cooling chamber, and refrigerant compressor is electrically connected at control module.
Further, described upper casing and lower casing are made by insulating material, and described upper casing is closely connected by fastening bolt with lower casing.
Further, described control module can be PLC or other computer processor.
Compared with prior art, the present invention has following beneficial effect: the utlity model has safe and reliable, cooling effectiveness is high, overall operation economic dispatch huge advantage, can greatly reduce copper, the iron loss of operation dry-type transformer, improve dry-type transformer overload and Short Circuit withstand current capacity, extend dry-type transformer useful life, powerful guarantee dry-type transformer safe operation more.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model patent is further illustrated:
Fig. 1 is the dry-type transformer structural representation of the utility model embodiment;
Fig. 2 is the cooling chamber structural representation of the utility model embodiment;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is cooling chamber upper casing, lower casing and the sealing gasket schematic diagram of the utility model embodiment;
Fig. 5 is that the dry-type transformer of the utility model embodiment is arranged on schematic diagram in cooling chamber;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is the cooling device for dry-type transformer workflow schematic diagram of the utility model embodiment;
Fig. 8 is the control module Automatic Control Theory block diagram of the embodiment of the present invention.
In figure: 1-cooling chamber upper casing, 2-bobbin seal circle, the coolant media in 3-cooling chamber, 4-temperature sensor, sealing gasket between 5-cooling chamber upper and lower shell, 6-cooling chamber lower casing, 7-cooling chamber inlet valve, 8-choke valve, 9-condensator outlet, 10-condenser, 11-condenser inlet, 12-cooling blower, 13-refrigerant compressor, 14-cooling chamber outlet valve, 15-cooling chamber upper and lower shell fastening bolt, 16-cooling chamber cased perforated.
embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Fig. 1 ~ 8, a kind of cooling device for dry-type transformer, comprise cooling chamber, refrigerating system and control module, it is characterized in that: described cooling chamber is divided into upper casing and lower casing, described upper casing top has for dry-type transformer high, the circular hole that low-tension bushing passes, described sleeve pipe passes circular hole part by sealing ring tight seal, described dry-type transformer is fixed in cooling chamber cavity, in described cooling chamber, circulated coolant media, the heat that dry-type transformer in service is produced is taken away, described refrigerating system is carried out kind of refrigeration cycle to coolant media, to meet the requirement of the cooling dry-type transformer of coolant media, bottom, described cooling chamber side is provided with the inlet valve into refrigerant, another top to side of cooling chamber is provided with out the outlet valve of refrigerant, cooling chamber enters, outlet valve is safeguarded for needing when dry-type transformer, during maintenance and refrigerating system play buffer action, top, cooling chamber side is also provided with temperature sensor, described control module is electrically connected at the refrigerant compressor in temperature sensor and refrigerating system, described control module is according to the online temperature value of temperature sensor measurement transmission, according to the temperature approach setting in advance, the work of nonstick system of control cold compressor.
In the present embodiment, described refrigerating system is partly comprised of the coolant media circulating in refrigerant compressor, condenser, choke valve and cooling chamber, the outlet of described cooling chamber connects the import of refrigerant compressor, the outlet of described refrigerant compressor connects the import of condenser, the outlet of described condenser connects choke valve import, choke valve outlet connects the import of cooling chamber, and refrigerant compressor is electrically connected at control module.
In the present embodiment, described upper casing and lower casing are made by insulating material, and described upper casing is closely connected by fastening bolt with lower casing.
In the present embodiment, described control module can be PLC or other computer processor.
In the present embodiment, described coolant media can be SF
6medium can be also other applicable medium of doing refrigerant with insulation, breath combustion, higher thermal enthalpy.
In the present embodiment, described refrigeration work is: the heat that the coolant media in cooling chamber produces dry-type transformer in service is taken away, thereby cooling dry-type transformer, self is heated coolant media, coolant media after heat absorption is gone out from cooling chamber outlet valve, cooled compressor inlet sucks, in refrigerant compressor, be compressed into the coolant media gas of high pressure-temperature, this HTHP cold media gas extrudes from refrigerant compressor outlet, enter condenser to condenser inlet, HTHP cold media gas is condensed into high temperature refrigerant liquid in condenser, after this high temperature refrigerant liquid discharge condenser, flow to choke valve, by choke valve, reduce pressure throttling to cooling chamber, cooling medium liquid body through decompression after throttling divides and is evaporated to gas, cooling medium liquid evacuator body can absorb amount of heat, thereby make whole refrigerants cooling, enter cooling chamber, operating dry-type transformer is carried out to the cool cycles of next round.
In the present embodiment, described control module is electrically connected at temperature sensor and refrigerant compressor, control module is according to the online temperature value of temperature sensor measurement transmission, according to the temperature approach setting in advance, the work of nonstick system of control cold compressor, when cooling indoor temperature is above over the set point temperature difference, automatically start refrigerant compressor work, when cooling indoor temperature reaches the set point temperature difference when following, automatically stop refrigerant compressor work, remain that dry-type transformer works within the scope of applicable chilling temperature, control module can be PLC or other computer processor.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. a cooling device for dry-type transformer, comprise cooling chamber, refrigerating system and control module, it is characterized in that: described cooling chamber is divided into upper casing and lower casing, described upper casing top has for dry-type transformer high, the circular hole that low-tension bushing passes, described sleeve pipe passes circular hole part by sealing ring tight seal, described dry-type transformer is fixed in cooling chamber cavity, in described cooling chamber, circulated coolant media, described refrigerating system is carried out kind of refrigeration cycle to coolant media, to meet the requirement of the cooling dry-type transformer of coolant media, bottom, described cooling chamber side is provided with the inlet valve into refrigerant, another top to side of cooling chamber is provided with out the outlet valve of refrigerant, top, cooling chamber side is also provided with temperature sensor, described control module is electrically connected at the refrigerant compressor in temperature sensor and refrigerating system, described control module is according to the online temperature value of temperature sensor measurement transmission, the work of nonstick system of control cold compressor.
2. a kind of cooling device for dry-type transformer according to claim 1, is characterized in that: described coolant media is SF
6medium.
3. a kind of cooling device for dry-type transformer according to claim 1, it is characterized in that: described refrigerating system is partly comprised of the coolant media circulating in refrigerant compressor, condenser, choke valve and cooling chamber, the outlet of described cooling chamber connects the import of refrigerant compressor, the outlet of described refrigerant compressor connects the import of condenser, the outlet of described condenser connects choke valve import, choke valve outlet connects the import of cooling chamber, and refrigerant compressor is electrically connected at control module.
4. a kind of cooling device for dry-type transformer according to claim 1, is characterized in that: described upper casing and lower casing are made by insulating material, and described upper casing is closely connected by fastening bolt with lower casing.
5. a kind of cooling device for dry-type transformer according to claim 1, is characterized in that: described control module can be PLC or other computer processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478663.XU CN204010918U (en) | 2014-08-25 | 2014-08-25 | A kind of cooling device for dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478663.XU CN204010918U (en) | 2014-08-25 | 2014-08-25 | A kind of cooling device for dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010918U true CN204010918U (en) | 2014-12-10 |
Family
ID=52050881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478663.XU Expired - Fee Related CN204010918U (en) | 2014-08-25 | 2014-08-25 | A kind of cooling device for dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204010918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157403A (en) * | 2014-08-25 | 2014-11-19 | 国家电网公司 | Cooling device for dry-type transformer and using method |
| CN106653297A (en) * | 2016-10-10 | 2017-05-10 | 国网四川省电力公司德阳供电公司 | Automatic cooling system of transformer |
| CN110782191A (en) * | 2019-12-31 | 2020-02-11 | 汇网电气有限公司 | Cloud platform based power grid switch cabinet remote management method and system |
-
2014
- 2014-08-25 CN CN201420478663.XU patent/CN204010918U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157403A (en) * | 2014-08-25 | 2014-11-19 | 国家电网公司 | Cooling device for dry-type transformer and using method |
| CN106653297A (en) * | 2016-10-10 | 2017-05-10 | 国网四川省电力公司德阳供电公司 | Automatic cooling system of transformer |
| CN110782191A (en) * | 2019-12-31 | 2020-02-11 | 汇网电气有限公司 | Cloud platform based power grid switch cabinet remote management method and system |
| CN110782191B (en) * | 2019-12-31 | 2020-05-05 | 汇网电气有限公司 | Cloud platform based power grid switch cabinet remote management method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20210825 |