CN205487641U - Dry -type transformer - Google Patents
Dry -type transformer Download PDFInfo
- Publication number
- CN205487641U CN205487641U CN201620048333.6U CN201620048333U CN205487641U CN 205487641 U CN205487641 U CN 205487641U CN 201620048333 U CN201620048333 U CN 201620048333U CN 205487641 U CN205487641 U CN 205487641U
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- transformer
- fagging
- dry
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Abstract
The utility model relates to the technical field of transformers, especially, relate to a dry -type transformer, including transformer ware body, wherein transformer ware body includes air -cooled system and iron core assembly, air -cooled system configuration in transformer bottom wherein, and for the transformer provides coolant, wherein iron core assembly includes high -pressure coil, low voltage coil and hold -down bars, wherein draws forth the high tension lead on the high -pressure coil and is connected with high voltage insulator, the last low -voltage lead of drawing forth of low voltage coil is connected with system configuration 0, the transformer ware still be provided with ware body insulation system on one's body, the utility model provides a flow of dry -type transformer through increasing the air, the temperature rise that has effectively reduced the coil reaches the mesh of cooling and the timely heat with the transformer is moving the in -process production takes the transformer outside to to come lowering the temperature to increase the injury to transformer itself through increasing temperature alarm device and setting up insulation system.
Description
Technical field
The present invention relates to transformer technology field, particularly relate to a kind of dry-type transformer.
Background technology
Dry-type transformer relies on cross-ventilation to cool down, and is generally used for local lighting, electronic circuit.The isallobaric device of plant equipment, in power system, general steam turbine transformator, boiler transformator, ash disposal transformator, dust removing transformer, desulfurization transformator etc. are all dry-type transformers, and no-load voltage ratio is 6000V/400V and 10KV/400V, for the load of band rated voltage 380V.Briefly dry-type transformer refers to iron core and winding is not immersed in the transformator in insulating oil.Wherein, dry-type transformer, it is dependent on cross-ventilation and cools down, iron core and winding are not immersed in insulating oil.The safe operation of dry-type transformer and service life, it is heavily dependent on the safe and reliable of Transformer Winding insulation, winding temperature exceedes insulation tolerable temperature makes insulation breakdown, it is the one of the main reasons causing transformator cisco unity malfunction, and traditional dry-type transformer lacks detection and warning device, and side reflects, insulation processing between high-low pressure is bad, the operation safety of transformator will be directly affected, and affect the service life of transformator, affect the power quality of user.
Summary of the invention
In order to solve above technical problem, it is therefore intended that solve that insulation effect in background technology is bad, the problem of alarm free function, the following is concrete technical scheme:
A kind of dry-type transformer, including transformer body, wherein transformer body includes air cooling system and iron core assembly, wherein air cooling system is arranged at transformer bottom, cooling medium is provided for transformator, wherein iron core assembly includes high-tension coil, low-voltage coil and hold-down bars, wherein draws high-voltage connection on high-tension coil and is connected with high-tension insulator, low-voltage coil is drawn low-voltage lead and is connected with low tension insulator；Device body insulation structure it is additionally provided with on described transformer body.
Further, upper part of transformer body is provided with the resistance thermometer for detecting resistance temperature, and wherein resistance thermometer includes temperature sensor and temperature display controller.
Further, high-tension coil, low-voltage coil are that epoxy resin adds quartz sand filling cast, glass fiber reinforced epoxy resin cast, multiply glass fiber epoxy resin-impregnated wound form.
Further, the insulation of device body includes insulating cylinder, is wherein provided with fagging and regulation imposite in insulating cylinder, and wherein insulating cylinder top is provided with nail pressing, and bottom is provided with silicagel pad.
Further, insulation pressing includes insulation pressing and lower insulation pressing, wherein goes up insulation pressing and is arranged on insulating cylinder top, nail pressing top, and lower insulation pressing is arranged on the silicagel pad bottom of insulating cylinder bottom.
Further, fagging includes the first fagging, the second fagging, the 3rd fagging, the 4th fagging, wherein the first fagging is arranged on low-voltage coil side, the second fagging is arranged between low-voltage coil and high-tension coil, 3rd fagging is arranged on high-tension coil side, and wherein the 3rd fagging opposite side is provided with the 4th fagging.
Further, air cooling system includes blower rack and the blower fan being arranged on blower rack.
Beneficial effect: the present invention provide dry-type transformer by increase air flowing, effectively reduce the temperature rise of coil and timely the heat that transformator produces in running taken to outside transformator, reach the purpose of cooling, and reduce the temperature increase injury to transformator itself by increase temperature alarming device with arranging insulation system.
Accompanying drawing explanation
Fig. 1 is invention machine body structure schematic diagram front view；
Fig. 2 is machine body structure schematic diagram side view of the present invention；
Fig. 3 is device body insulation structure schematic diagram of the present invention；
Fig. 4 is high-pressure side of the present invention wiring diagram；
Fig. 5 is low-pressure side wiring diagram of the present invention；
Fig. 6 is air cooling system structural representation of the present invention；
Wherein: 1, transformer body 2, iron core assembly 3, air cooling system 4, resistance thermometer 5, device body insulation structure 6, high-tension coil 7, low-voltage coil 8, high-tension insulator 9, low tension insulator 31, blower fan 32, blower rack the 51, first fagging the 52, second fagging the 53, the 3rd fagging the 54, the 4th fagging 55, nail pressing 56, silicagel pad 57, upper insulation pressing 58, lower insulation pressing.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model will be further described.
Embodiment 1
A kind of dry-type transformer, including transformer body 1, wherein transformer body includes air cooling system 3 and iron core assembly 2, wherein air cooling system 3 is arranged at transformer bottom, cooling medium is provided for transformator, wherein iron core assembly includes high-tension coil 6, low-voltage coil 7 and hold-down bars, wherein draws high-voltage connection on high-tension coil 6 and is connected with high-tension insulator 8, low-voltage coil 7 is drawn low-voltage lead and is connected with low tension insulator 9；It is additionally provided with device body insulation structure 5 on described transformer body 1, wherein, upper part of transformer body is provided with the resistance thermometer 4 for detecting resistance temperature, resistance thermometer includes temperature sensor and temperature display controller, wherein, high-tension coil 6, low-voltage coil 7 add quartz sand for epoxy resin and fill cast, glass fiber reinforced epoxy resin cast, multiply glass fiber epoxy resin-impregnated wound form.
Embodiment 2
The insulation of device body includes insulating cylinder, insulating cylinder is wherein provided with fagging and regulation imposite, wherein insulating cylinder top is provided with nail pressing 55, bottom is provided with silicagel pad 56, wherein insulation pressing includes insulation pressing 57 and lower insulation pressing 58, wherein go up insulation pressing 57 and be arranged on insulating cylinder top, nail pressing 55 top, lower insulation pressing 58 is arranged on silicagel pad 56 bottom of insulating cylinder bottom, its middle supporting plate includes the first fagging 51, second fagging 52, 3rd fagging 53, 4th fagging 54, wherein the first fagging 51 is arranged on low-voltage coil 7 side, second fagging 52 is arranged between low-voltage coil 7 and high-tension coil 6, 3rd fagging 53 is arranged on high-tension coil 6 side, wherein the 3rd fagging 53 opposite side is provided with the 4th fagging 54.
Embodiment 3
Air cooling system includes blower rack and the blower fan 31 being arranged on blower rack 32.
The present invention, by making to carry out between high-tension coil and low-voltage coil multi-level insulation processing by device body insulation structure increase fagging, makes insulation effect more preferable；The temperature of transformator can be exercised supervision and control by increasing temperature-detecting device, add the ability processing risk.
Claims (7)
1. a dry-type transformer, including transformer body, wherein transformer body includes air cooling system and iron core assembly, it is characterized in that, described air cooling system is arranged at transformer bottom, provides cooling medium for transformator, and wherein iron core assembly includes high-tension coil, low-voltage coil and hold-down bars, wherein draw high-voltage connection on high-tension coil to be connected with high-tension insulator, low-voltage coil is drawn low-voltage lead and is connected with low tension insulator；Device body insulation structure it is additionally provided with on described transformer body.
A kind of dry-type transformer the most according to claim 1, it is characterised in that described upper part of transformer body is provided with the resistance thermometer for detecting resistance temperature, and wherein resistance thermometer includes temperature sensor and temperature display controller.
A kind of dry-type transformer the most according to claim 1, it is characterised in that described high-tension coil, low-voltage coil are that epoxy resin adds quartz sand filling cast, glass fiber reinforced epoxy resin cast, multiply glass fiber epoxy resin-impregnated wound form.
A kind of dry-type transformer the most according to claim 1, it is characterised in that described device body insulation structure includes insulating cylinder, is wherein provided with fagging and regulation imposite in insulating cylinder, wherein insulating cylinder top is provided with nail pressing, and bottom is provided with silicagel pad.
A kind of dry-type transformer the most according to claim 4, it is characterized in that, the insulation pressing being provided with on described insulating cylinder, described insulation pressing includes insulation pressing and lower insulation pressing, wherein going up insulation pressing and be arranged on insulating cylinder top, nail pressing top, lower insulation pressing is arranged on the silicagel pad bottom of insulating cylinder bottom.
A kind of dry-type transformer the most according to claim 4, it is characterized in that, described fagging includes the first fagging, the second fagging, the 3rd fagging, the 4th fagging, wherein the first fagging is arranged on low-voltage coil side, the second fagging is arranged between low-voltage coil and high-tension coil, 3rd fagging is arranged on high-tension coil side, and wherein the 3rd fagging opposite side is provided with the 4th fagging.
A kind of dry-type transformer the most according to claim 1, it is characterised in that described air cooling system includes blower rack and the blower fan being arranged on blower rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048333.6U CN205487641U (en) | 2016-01-19 | 2016-01-19 | Dry -type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048333.6U CN205487641U (en) | 2016-01-19 | 2016-01-19 | Dry -type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487641U true CN205487641U (en) | 2016-08-17 |
Family
ID=56670229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620048333.6U Expired - Fee Related CN205487641U (en) | 2016-01-19 | 2016-01-19 | Dry -type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513751A (en) * | 2016-01-19 | 2016-04-20 | 聊城昌佳变电设备有限公司 | Dry type transformer |
| CN117649988A (en) * | 2024-01-29 | 2024-03-05 | 陕西华星科技股份有限公司 | High-energy pulse wire-wound resistor |
-
2016
- 2016-01-19 CN CN201620048333.6U patent/CN205487641U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513751A (en) * | 2016-01-19 | 2016-04-20 | 聊城昌佳变电设备有限公司 | Dry type transformer |
| CN117649988A (en) * | 2024-01-29 | 2024-03-05 | 陕西华星科技股份有限公司 | High-energy pulse wire-wound resistor |
| CN117649988B (en) * | 2024-01-29 | 2024-04-09 | 陕西华星科技股份有限公司 | High-energy pulse wire-wound resistor |
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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 |
Granted publication date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |