CN202736654U - Box type transformer - Google Patents
Box type transformer Download PDFInfo
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- CN202736654U CN202736654U CN 201220429433 CN201220429433U CN202736654U CN 202736654 U CN202736654 U CN 202736654U CN 201220429433 CN201220429433 CN 201220429433 CN 201220429433 U CN201220429433 U CN 201220429433U CN 202736654 U CN202736654 U CN 202736654U
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- water jacket
- water
- box type
- type transformer
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Abstract
The utility model provides a box type transformer which is applied to the field of power distribution. The box type transformer is provided with a transformer body. The transformer body comprises an iron core, a low-voltage coil and a high-voltage coil arranged from inside to outside. The box type transformer is characterized by further comprising a cooling system consisting of water jackets. The water jackets include an inner water jacket, a middle water jacket and an outer water jacket, wherein the inner water jacket is arranged between the iron core and the low-voltage coil, the middle water jacket is arranged between the low-voltage coil and the high-voltage coil, the inner water jacket and the middle water jacket are arranged on the transverse side or longitudinal side of an overlook section of the transformer body only, the outer water jacket is arranged on the outer side of the high-voltage coil, and covers the transverse side and the longitudinal side of the overlook section of the transformer body, the inner water jacket, the middle water jacket and the outer water jacket are all connected with an upper water tank and a lower water tank, and both the upper water tank and the lower water tank are connected with a radiator. The box type transformer is good in heat dissipation effect, high in insulation performance and easy to process.
Description
Technical field
The utility model relates to the controller switching equipment field, more particularly, relates to a kind of box type transformer.
Background technology
Fast development along with distribution system, box type transformer with its have that more traditional transformer station's volume is little, operating cost is low, flexible for installation, loss is low, noise is low, long service life, can go deep into the advantages such as load center, construction period be short, developed fast, now become one of staple product in the distribution system.
Along with further developing of distribution system, the power load increase year after year needs jumbo transformer to satisfy instructions for use.Under this demand environment, jumbo box type transformer demand also constantly increases, and the radiating mode of box type transformer commonly used mainly contains at present: the transformer oil self-loopa cooling of oil-filled transformer, the cooling of the cross-ventilation of dry-type transformer.But the radiating effect of above two kinds of types of cooling is very limited, is difficult to satisfy the heat radiation requirement of high-power transformer.Therefore, now being badly in need of the better box type transformer of a kind of heat sinking function satisfies the demands.
The utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, and the box type transformer that a kind of good heat dissipation effect, insulation property are strong, be easy to process is provided.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of box type transformer, be provided with transformer body, and transformer body comprises iron core, low-voltage coil and the high-tension coil that from inside to outside arranges; It is characterized in that: also comprise cooling system, described cooling system is comprised of water jacket; Described water jacket comprises inner water sleeve, middle water jacket and outer water jacket; Described inner water sleeve is arranged between iron core and the low-voltage coil, and described middle water jacket is arranged between low-voltage coil and the high-tension coil, described inner water sleeve, middle water jacket only be arranged on transformer body overlook face the cross section cross side or vertically on the side; Described outer water jacket is arranged on the outside of high-tension coil, and at the cross side of the face of overlooking of transformer body with vertically on the side setting is arranged all; Described inner water sleeve, middle water jacket, outer water jacket all link to each other with lower header with upper water box; Described upper water box, lower header all link to each other with radiator.Inner water sleeve, middle water jacket only be arranged on transformer body the face of overlooking cross side or vertically on the side, this can strengthen radiating effect when shortening the magnetic circuit size; And outer water jacket is at the cross side of the face of overlooking of transformer body with vertically on the side setting is arranged all, guaranteed enough large radiating surface.
Described inner water sleeve, middle water jacket, outer water jacket all are electrically connected with earth potential.Since use earth potential, thus low to the requirement of the water in the cooling system, only need to use the water (preventing incrustation) of processing through softening, and different from water-cooling pattern in the market, need to use the higher distilled water of resistivity.
Preferred scheme is: the top of described inner water sleeve, middle water jacket, outer water jacket is connected by the upper water sleeve connector with upper water box, and the bottom of described inner water sleeve, middle water jacket, outer water jacket is connected by the lower water jacket connector with lower header; Between described inner water sleeve, middle water jacket, outer water jacket and the upper water sleeve connector and and the lower water jacket connector between connection be provided with insulation strip.
Described radiator refers to gilled radiator.Be provided with the logical pipeline of current in the gilled radiator.
Also comprise dipperstick, described dipperstick is connected with upper water box.
Preferred scheme is: also comprise solid insulating layer; Described solid insulating layer is arranged between water jacket and the transformer body.Use solid insulation, have good insulation property and electric property, Reliability Enhancement, the bad phenomenon of the impurity that can in the course of processing, not occur, bubble and interlayer etc.
Described inner water sleeve, middle water jacket, outer water jacket all refer to the water jacket that metal material is made.
Described solid insulating layer refers to the solid insulating layer that poured with epoxy resin is made.
In the described cooling system water is housed, described water refers to the water through softening processing.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, the utility model box type transformer is provided with cooling system, and cooling system adopts water-cycling mode, good heat dissipation effect;
2, the inner water sleeve of the utility model box type transformer, middle water jacket only be arranged on transformer body the face of overlooking cross side or vertically on the side, this can strengthen radiating effect when shortening the magnetic circuit size; And outer water jacket is at the cross side of the face of overlooking of transformer body with vertically on the side setting is arranged all, guaranteed enough large radiating surface;
3, the utility model box type transformer uses solid insulation, has good insulation property and electric property, Reliability Enhancement, the bad phenomenon of the impurity that can not occur in the course of processing, bubble and interlayer etc.
Description of drawings
Fig. 1 is the schematic diagram figure of the face of overlooking of the transformer body of the utility model box type transformer;
Fig. 2 is A-A section sectional view among Fig. 1;
Wherein, 1 is that iron core, 2 is that low-voltage coil, 3 is that high-tension coil, 4.1 is that inner water sleeve, 4.2 is that middle water jacket, 4.3 is that outer water jacket, 5 is that upper water sleeve connector, 6 is that upper water box, 7 is that radiator, 8 is that lower header, 9 is that lower water jacket connector, 10 is that insulation strip, 11 is dipperstick.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Embodiment one
The schematic diagram of the face of overlooking of the transformer body of box type transformer of the present utility model as shown in Figure 1, its A-A section sectional view is as shown in Figure 2.The transformer body of this box type transformer comprises the iron core 1, low-voltage coil 2 and the high-tension coil 3 that from inside to outside arrange.Special feature of the present utility model is, the cooling of transformer adopting water-cooling pattern; Namely be provided with water jacket, water jacket comprises inner water sleeve 4.1, middle water jacket 4.2 and outer water jacket 4.3.Inner water sleeve 4.1 is arranged between iron core 1 and the low-voltage coil 2, and only is arranged on the cross side of the face of overlooking of transformer body; Middle water jacket 4.2 is arranged between low-voltage coil 2 and the high-tension coil 3, and only is arranged on the cross side of the face of overlooking of transformer body; Outer water jacket 4.3 is arranged on the outside of high-tension coil 3, and at the cross side of the face of overlooking of transformer body with vertically on the side setting is arranged all.Inner water sleeve 4.1,4.2 of middle water jackets be arranged on transformer body the face of overlooking cross side or vertically on the side, this can shorten the magnetic circuit size when guaranteeing radiating effect; And outer water jacket 4.3 is in order to guarantee that radiating surface is enough large at the cross side of the face of overlooking of transformer body with vertically on the side setting is arranged all.
Inner water sleeve 4.1, middle water jacket 4.2, outer water jacket 4.3 all link to each other with lower header 8 with upper water box 6; Described upper water box 6, lower header 8 all link to each other with radiator 7.The top of inner water sleeve 4.1, middle water jacket 4.2, outer water jacket 4.3 is connected by upper water sleeve connector 5 with upper water box 6, and the bottom of described inner water sleeve 4.1, middle water jacket 4.2, outer water jacket 4.3 is connected by lower water jacket connector 9 with lower header 8.
Inner water sleeve 4.1, middle water jacket 4.2, outer water jacket 4.3 are made by the sheet metal material, and the metal material good heat conductivity makes heat obtain more efficient conduction, and metal material preferably adopts stainless steel material.
Radiator 7 refers to gilled radiator.
Water is housed in the cooling system, dispels the heat by self-loopa or the forced circulation mode of water.The water circuit path is as follows: water jacket → upper water sleeve connector 5 → upper water box 6 → radiator 7 → lower header 8 → lower water jacket connector 9 → water jacket.
The water cooling principle of the utility model transformer is: after the water heat absorption, flow to by upper connector, upper water box, upper tube connector the radiator outside the casing from water jacket top, water through supercooling, flow back in the water jacket by lower tube connector, lower header, lower water jacket connector in radiator again.
Inner water sleeve 4.1, middle water jacket 4.2, outer water jacket 4.3 are electrically connected with earth potential.Since use earth potential, thus low to water quality requirement, be easy to processing, only need to use the water of processing through softening, the softening water of processing can prevent incrustation.At present, transformer has the interior water-cooling pattern of employing to cool off, and interior water-cooling pattern is to adopt hollow copper wire coiled coil, is connected with cooling water in the copper cash, because water is charged, so interior water-cooling pattern need to use the higher distilled water of resistivity.The hollow parts internal diameter of copper cash is little in addition, and length is long, and radiating effect is poor.
Between inner water sleeve 4.1, middle water jacket 4.2, outer water jacket 4.3 and the upper water sleeve connector 5 and and lower water jacket connector 9 between connection be provided with insulation strip 10, thereby the capable of preventing short circuit phenomenon.
Can also be outside equipped with dipperstick 11 at casing, dipperstick 11 extend in the casing and is connected with upper water box 6, to show the water level information of cooling system.
Adopt the benefit of the water circulation type of cooling to be: 1, the viscosity of water is widely less than the viscosity than oil, and its flow heat dissipation efficient is also good more than oil; 2, water is nonflammable, so than oil-filled transformer safety and reliability; 3, there is not the environmental pollution problem in water in the manufacturing process of transformer body; 4, the cost of water is low, can bring larger economic benefit; 5, specific heat of water holds large.
Box type transformer adopts the mode of solid-state insulation, namely is provided with solid insulating layer between water jacket and transformer body; Solid insulating layer preferably adopts poured with epoxy resin to make.This solid insulating layer is after transformer body and water jacket install, and pours into a mould with epoxy resin and makes.
Adopt the benefit of solid-state insulation to be: to facts have proved that solid insulation has obvious superiority than fluid insulation, gas-insulated in indexs such as puncture voltage, volt-second characteristic and local discharge tests, and from adding impurity, bubble and the interlayer etc. that cause man-hour to the impact of device body electric field, solid insulation is influenced less than other two kinds of insulating material institute, has higher reliability.
Embodiment two
The difference part of present embodiment and embodiment one is, the high and low pressure winding coiled of transformer is circular or oval, interior, domestic and abroad water jacket is shaped as suitable with it arc, fill with solid insulating layer in space between water jacket and iron core, low-voltage coil, the high-tension coil, and other structure of box type transformer is with embodiment one.
Above-described embodiment is the utility model execution mode commonly used; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (9)
1. a box type transformer is provided with transformer body, and transformer body comprises iron core, low-voltage coil and the high-tension coil that from inside to outside arranges; It is characterized in that: also comprise cooling system, described cooling system is comprised of water jacket; Described water jacket comprises inner water sleeve, middle water jacket and outer water jacket; Described inner water sleeve is arranged between iron core and the low-voltage coil, and described middle water jacket is arranged between low-voltage coil and the high-tension coil, described inner water sleeve, middle water jacket only be arranged on transformer body the face of overlooking cross side or vertically on the side; Described outer water jacket is arranged on the outside of high-tension coil, and at the cross side of the face of overlooking of transformer body with vertically on the side setting is arranged all; Described inner water sleeve, middle water jacket, outer water jacket all link to each other with lower header with upper water box; Described upper water box and lower header are connected by radiator.
2. box type transformer according to claim 1, it is characterized in that: described inner water sleeve, middle water jacket, outer water jacket all are electrically connected with earth potential.
3. box type transformer according to claim 1, it is characterized in that: the top of described inner water sleeve, middle water jacket, outer water jacket is connected by the upper water sleeve connector with upper water box, and the bottom of described inner water sleeve, middle water jacket, outer water jacket is connected by the lower water jacket connector with lower header; Between described inner water sleeve, middle water jacket, outer water jacket and the upper water sleeve connector and and the lower water jacket connector between connection be provided with insulation strip.
4. box type transformer according to claim 1, it is characterized in that: described radiator refers to gilled radiator.
5. box type transformer according to claim 1, it is characterized in that: also comprise dipperstick, described dipperstick is connected with upper water box.
6. box type transformer according to claim 1 is characterized in that: also comprise solid insulating layer; Described solid insulating layer is arranged between water jacket and the transformer body.
7. each described box type transformer according to claim 1-6 is characterized in that: described inner water sleeve, middle water jacket, outer water jacket all refer to the water jacket that metal material is made.
8. box type transformer according to claim 6, it is characterized in that: described solid insulating layer refers to the solid insulating layer that poured with epoxy resin is made.
9. box type transformer according to claim 2 is characterized in that: in the described cooling system water is housed, described water refers to the water processed through softening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429433 CN202736654U (en) | 2012-08-27 | 2012-08-27 | Box type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429433 CN202736654U (en) | 2012-08-27 | 2012-08-27 | Box type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736654U true CN202736654U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220429433 Expired - Fee Related CN202736654U (en) | 2012-08-27 | 2012-08-27 | Box type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202736654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676017A (en) * | 2019-09-24 | 2020-01-10 | 中广核中科海维科技发展有限公司 | High-frequency high-voltage high-power transformer |
-
2012
- 2012-08-27 CN CN 201220429433 patent/CN202736654U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676017A (en) * | 2019-09-24 | 2020-01-10 | 中广核中科海维科技发展有限公司 | High-frequency high-voltage high-power transformer |
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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: 20130213 Termination date: 20200827 |