CN205900267U - Dry power transformer - Google Patents
Dry power transformer Download PDFInfo
- Publication number
- CN205900267U CN205900267U CN201620615481.1U CN201620615481U CN205900267U CN 205900267 U CN205900267 U CN 205900267U CN 201620615481 U CN201620615481 U CN 201620615481U CN 205900267 U CN205900267 U CN 205900267U
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- CN
- China
- Prior art keywords
- winding
- dry
- power transformer
- type power
- pressure winding
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a dry power transformer, including winding, iron core, low voltage winding, high voltage winding, fan, base, punch holder, lower plate and the transformer box body, dry power transformer has threely the winding, there is one deck vacuum impregnation's insulated paint the winding outside, the winding from top to bottom respectively with the punch holder with the lower plate links to each other, be equipped with temperature sensor and over -temperature alarm device on the winding, above the fan with the lower plate links to each other, now fixes on the base, be equipped with the alarm device that opens the door on the transformer box body, the beneficial effects of the utility model are that be furnished with frequency conversion fan cooling, the radiating effect is good, and the energy saving is equipped with the alarm device that opens the door on the transformer box body, chamber door open by mistake leads to in the time of can effectually preventing to move casualties, and the security is higher.
Description
Technical field
This utility model belongs to power domain, especially relates to a kind of dry-type power transformer.
Background technology
Power transformer is divided into dry-type power transformer and oil-immersed power transformer, dry-type power according to its methods for cooling
Transformator is little compared to oil-immersed power transformer pollution, and is not susceptible to fire and blast, and during operation, noise is little, it is low to be lost,
So being widely used in the industries such as factory, electric station.But, operationally chamber door is opened current dry-type power transformer
When there is potential safety hazard, the not good deficiency of radiating effect.
Such as patent cn201210547495 wind water cooling dry-type rectifier transformer, discloses a kind of wind water cooling dry rectifier and becomes
Depressor, including edema due to wind pathogen chiller cabinet, dry-type transformer cabinet and pre-magnetizing transformer case, described dry-type transformer cabinet includes dry type
Rectifier transformer, cabinet, high pressure winding cable install module, low pressure winding cable installs module, pre-magnetizing device cable is installed
Module, condensation-proof heater, fixing busbar insulated terminal, wind path plate and temperature sensor, described edema due to wind pathogen chiller passes through
Sealing connecting strip is arranged on the side of dry-type transformer cabinet, is provided with ventilation unit and edema due to wind pathogen cooler, preliminary filling magnetic variation inside it
Depressor cabinet is arranged on the opposite side of dry-type transformer cabinet.Whole device modularity, generalization, compact conformation, ventilation and heat performance
Get well, be conveniently replaceable, easy to maintain.
Content of the invention
The purpose of this utility model is to provide a kind of dry-type power transformer, is furnished with frequency conversion fan and cools down, good heat dissipation effect,
Energy saving, transformer-cabinet is provided with open alarm device, and when can effectively prevent from running, chamber door opens by mistake the personnel leading to
Injures and deaths, safety is higher.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of dry-type power transformer, including winding,
Iron core, low pressure winding, high pressure winding, blower fan, base, train wheel bridge, lower plate and transformer-cabinet are it is preferable that described dry type is electric
Power transformator has three described windings, has one layer of vacuum-impregnated insullac outside described winding, described winding up and down respectively with
Described train wheel bridge is connected with described lower plate, and described winding is provided with temperature sensor and excess temperature alarm device, on described blower fan
Face is connected with described lower plate, is fixed on below on described base, described transformer-cabinet is provided with open alarm device.
Preferably, described winding includes described iron core, described low pressure winding, described high pressure winding and insulating barrier, described low
Pressure winding and described high pressure winding are entwined around form with paper tinsel by coil, have between described low pressure winding and described high pressure winding
One layer of described insulating barrier.
Preferably, described blower fan is frequency conversion fan, chain control and described temperature sensor between, can according to described around
Rotation speed of fan described in group temperature adjust automatically, cools down to described winding.
Preferably, it is formed around vent outside described casing, be conducive to described transformator radiating.
Preferably, by being electrically connected with high-voltage terminal sleeve pipe and low-pressure line-outgoing set between described train wheel bridge and described winding
Pipe.
This utility model has the advantages and positive effects that: due to adopting technique scheme, the good insulating of winding,
Corrosion-resistant, antistatic, the frequency conversion fan below winding shows that according to the temperature in winding temperature sensor automatically adjusting blower fan turns
Speed cools down radiating to it, and radiating effect is more preferable, energy saving, and transformer-cabinet is provided with open alarm device, if transformator fortune
During row someone open transformer-cabinet then can report to the police immediately, can effectively prevent run when chamber door open by mistake the personnel leading to
Injures and deaths, safety is higher.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model winding；
Fig. 3 be this utility model casing structural representation.
In figure: 1, winding；2nd, train wheel bridge；3rd, lower plate；4th, blower fan；5th, base；6th, iron core；7th, low pressure winding；8th, high pressure
Winding；9th, insulating barrier；10th, temperature sensor；11st, excess temperature alarm device；12nd, open alarm device；13rd, high-voltage terminal sleeve pipe；
14th, low-pressure line-outgoing sleeve pipe；15th, casing；16th, vent.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, to specific embodiment of the present utility model, as involved
Mutual alignment between the shape of each component, construction, each several part and annexation, the effect of each several part and operation principle etc. make into
The detailed description of one step.
Embodiment: as shown in Figure 1, 2, 3, this utility model provides a kind of dry-type power transformer, including winding 1, iron core
6th, low pressure winding 7, high pressure winding 8, blower fan 4, base 5, train wheel bridge 2, lower plate 3 and transformer-cabinet 15 are it is preferable that described electricity
Power transformator has three windings 1, has one layer of vacuum-impregnated insullac outside winding 1, winding about 1 respectively with train wheel bridge 2 and
Lower plate 3 is connected, and winding 1 is provided with temperature sensor 10 and excess temperature alarm device 11, and blower fan 4 is connected with lower plate 3 above, under
Face is fixed on base 5, and transformer-cabinet 15 is provided with open alarm device 12.
Preferably, winding 1 includes iron core 6, low pressure winding 7, high pressure winding 8 and insulating barrier 9, low pressure winding 7 and high voltage winding
Group 8 is entwined around form with paper tinsel by coil, has a layer insulating 9 between low pressure winding 7 and high pressure winding 8.
Preferably, blower fan 4 is frequency conversion fan, chain control and temperature sensor 10 between, can according to winding 1 temperature certainly
Dynamic adjustment blower fan 4 rotating speed, cools down to winding 1.
Preferably, it is formed around vent 16 outside casing 15, be conducive to transformator to radiate.
Preferably, gone out by being electrically connected with high-voltage terminal sleeve pipe 13 and low pressure between described train wheel bridge 2 and described winding 1
Thread casing 14.
This utility model has the advantages and positive effects that: due to adopting technique scheme, the good insulating of winding,
Corrosion-resistant, antistatic, the frequency conversion fan below winding shows that according to the temperature in winding temperature sensor automatically adjusting blower fan turns
Speed cools down radiating to it, and radiating effect is more preferable, energy saving, and transformer-cabinet is provided with open alarm device, if transformator fortune
During row someone open transformer-cabinet then can report to the police immediately, can effectively prevent run when chamber door open by mistake the personnel leading to
Injures and deaths, safety is higher.
Above embodiment of the present utility model is described in detail, but described content has been only of the present utility model preferable
Embodiment is it is impossible to be considered for limiting practical range of the present utility model.All according to this utility model application range made equal
Deng change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (5)
1. a kind of dry-type power transformer, including winding, iron core, low pressure winding, high pressure winding, blower fan, base, train wheel bridge, under
Clamping plate and transformer-cabinet it is characterised in that: described dry-type power transformer has three described windings, has one outside described winding
The vacuum-impregnated insullac of layer, described winding is connected with described train wheel bridge and described lower plate up and down respectively, and described winding sets
There are temperature sensor and excess temperature alarm device, be connected with described lower plate above described blower fan, be fixed on below on described base,
Described transformer-cabinet is provided with open alarm device.
2. a kind of dry-type power transformer according to claim 1 it is characterised in that: described winding include described iron core,
Described low pressure winding, described high pressure winding and insulating barrier, described low pressure winding and described high pressure winding by coil with paper tinsel around form
It is entwined, between described low pressure winding and described high pressure winding, have one layer of described insulating barrier.
3. a kind of dry-type power transformer according to claim 1 it is characterised in that: described blower fan is frequency conversion fan, with
Chain control between described temperature sensor, can according to described winding temperature adjust automatically rotation speed of fan, to described around
Group is cooled down.
4. a kind of dry-type power transformer according to claim 1 it is characterised in that: be formed around leading to outside described casing
Air port, is conducive to described transformator radiating.
5. a kind of dry-type power transformer according to claim 1 it is characterised in that: described train wheel bridge and described winding it
Between by being electrically connected with high-voltage terminal sleeve pipe and low-pressure line-outgoing sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615481.1U CN205900267U (en) | 2016-06-17 | 2016-06-17 | Dry power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615481.1U CN205900267U (en) | 2016-06-17 | 2016-06-17 | Dry power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900267U true CN205900267U (en) | 2017-01-18 |
Family
ID=57768726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620615481.1U Expired - Fee Related CN205900267U (en) | 2016-06-17 | 2016-06-17 | Dry power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205900267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11640871B2 (en) | 2017-11-08 | 2023-05-02 | Mitsubishi Electric Corporation | Transformer and power conversion device |
-
2016
- 2016-06-17 CN CN201620615481.1U patent/CN205900267U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11640871B2 (en) | 2017-11-08 | 2023-05-02 | Mitsubishi Electric Corporation | Transformer and power conversion device |
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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: 20170118 Termination date: 20200617 |