CN207909678U - A kind of dry-type transformer - Google Patents
A kind of dry-type transformer Download PDFInfo
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- CN207909678U CN207909678U CN201721680837.0U CN201721680837U CN207909678U CN 207909678 U CN207909678 U CN 207909678U CN 201721680837 U CN201721680837 U CN 201721680837U CN 207909678 U CN207909678 U CN 207909678U
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Abstract
A kind of dry-type transformer provided by the utility model, including iron core；High-tension coil is connect by folder with the iron core, and the leading-out terminal of the high-tension coil is electrically connected with high-voltage terminal；Low-voltage coil is connect by folder with the iron core, and the leading-out terminal of the low-voltage coil is electrically connected with low voltage terminal；Tapping device is connect with the high-tension coil；At least described high-voltage terminal is arranged on the inside of dry-type transformer in the high-voltage terminal, low voltage terminal.By making electrification body portion be arranged on the inside of dry-type transformer, to be not readily susceptible to the erosion of salt fog on the inside of dry-type transformer at least high-voltage terminal setting in high-voltage terminal, low voltage terminal.
Description
Technical field
The utility model is related to transformer technology fields, and in particular to a kind of transformer.
Background technology
Transformer is the important equipment in power generation, power supply and electricity consumption enterprise, and the structure of transformer directly influences power supply
Quality and safety.Epoxy cast transformer has many advantages, such as that moisture-proof, fire-retardant, anti-breaking capability is strong, can go deep into load centre, often
It is used in airport, hospital and skyscraper.
Chinese patent literature CN200710011286.3 discloses a kind of epoxy cast dry transformer, including low pressure around
Group, two sections of high-voltage windings, iron core, upper and lower yoke, upper clamping piece, lower clamping piece；The inner layer of entire coil has low pressure winding, outer layer to have
Two sections of high-voltage windings, low pressure winding use copper foil coiling, interlayer to be provided with the insulating layer of DMD resin prepreg stains, and high-voltage winding is each
The initial coil of layer winding is located at one end of entire coil, and the initial coil of each layer winding of high-voltage winding is located at the one of entire coil
End, starting for every layer of initial circle of high-voltage winding are connected with complete head of next layer the last circle, the number of turns of every layer of winding by
Inner layer outer layers are successively successively decreased, and are in antiparallelogram structure, one layer of soft type grid cloth is installed between adjacent two layers；It is whole to be situated between
Matter is epoxide resin material；The outer interlayer of winding at entire coil both ends is installed with solvent-free grid material.
The leakage cruelly of the electrification body portion of the high and low pressure terminals of above-mentioned transformer in the prior art on the outside, is easy by salt
The erosion of mist needs frequent inspection to safeguard, is not suitable for using under the adverse circumstances such as humidity.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome the high and low of dry-type transformer in the prior art
The live part leakage cruelly for crimping line end is easy the defect that is corroded by salt fog outside, and being not readily susceptible to salt fog to providing one kind invades
The dry-type transformer of erosion.
In order to solve the above technical problems, the utility model provides a kind of dry-type transformer, including：Iron core；High-tension coil leads to
It crosses folder to connect with the iron core, and the leading-out terminal of the high-tension coil is electrically connected with high-voltage terminal；Low-voltage coil passes through folder
Part is connect with the iron core, and the leading-out terminal of the low-voltage coil is electrically connected with low voltage terminal；Tapping device, with the high pressure
Coil connects；At least described high-voltage terminal is arranged on the inside of dry-type transformer in the high-voltage terminal, low voltage terminal.
The high-tension coil, low-voltage coil are epoxy resin casting coil.
The high-tension coil is paper bag coiling line coiling.
The low-voltage coil is copper foil or NOMEX paper covered wire coilings.
The high-voltage terminal is embedded in the high-tension coil, integrated poured with the high-tension coil.
The tapping device is arranged in capsul, and the capsul is detachably connected with dry-type transformer.
The core exterior surface is uniformly coated with epoxy iron core paint.
The folder is made of resistant material.
The low voltage terminal is drawn for total incapsulation copper bar, is connect equipped with what suitable low-voltage cable connecting terminal was suitably inserted into
Mouthful.
Technical solutions of the utility model have the following advantages that：
1. a kind of dry-type transformer provided by the utility model, at least high-voltage connection in high-voltage terminal, low voltage terminal
End is arranged on the inside of dry-type transformer, and electrification body portion is arranged on the inside of dry-type transformer, it is not easy to be corroded by salt fog.
2. a kind of dry-type transformer provided by the utility model, the high-tension coil, low-voltage coil are poured with epoxy resin
Coil, insulation performance are preferable.
3. a kind of dry-type transformer provided by the utility model, the high-voltage terminal are embedded in the high-tension coil,
It is integrated poured with the high-tension coil, electrical body is partially enclosed in high-tension coil, the dry-type transformer can be prevented by salt
Mist corrodes.
4. a kind of dry-type transformer provided by the utility model, the tapping device is arranged in capsul, the sealing
Shell is detachably connected with dry-type transformer, and dismounting is simple, good seal performance.
5. a kind of dry-type transformer provided by the utility model, the core exterior surface is uniformly coated with epoxy iron core paint,
It can reach antirust noise reduction purpose.
6. a kind of dry-type transformer provided by the utility model, the folder are made of resistant material, have good
Corrosion resistance.
7. a kind of dry-type transformer provided by the utility model, the low voltage terminal is drawn for total incapsulation copper bar, is equipped with
The interface for being suitble to low-voltage cable connecting terminal to be suitably inserted into, facilitates the plug of low-voltage cable.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view of the dry-type transformer provided in the embodiments of the present invention 1；
Fig. 2 is the right view of dry-type transformer shown in FIG. 1；
Fig. 3 is the front view for the dry-type transformer that the embodiments of the present invention 2 provide；
Fig. 4 is the right view of dry-type transformer shown in Fig. 3.
Reference sign：
1- iron cores；2- folders；3- high-voltage terminals；
4- high-tension coils；5- tapping devices；6- low-voltage coils；
7- low voltage terminals.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
A kind of specific implementation mode of dry-type transformer as shown in Figs. 1-2, including iron core 1, high-tension coil 4, low-voltage line
Circle 6, tapping device 5, high-voltage terminal 3, low voltage terminal 7.
The high-tension coil 4 is connect by folder 2 with the iron core 1, and the leading-out terminal of the high-tension coil 4 and the height
Line end 3 is crimped to be electrically connected；The low-voltage coil 6 is connect by folder 2 with the iron core 1, and the leading-out terminal of the low-voltage coil 6
It is electrically connected with the low voltage terminal 7；The tapping device 5 is connect with the high-tension coil 4；The high-voltage terminal 3, low pressure
At least described high-voltage terminal 3 is arranged on the inside of dry-type transformer in terminals 7.
By being arranged at least described high-voltage terminal 3 in the high-voltage terminal 3, the low voltage terminal 7 in dry type
On the inside of transformer, electrification body portion is set to be arranged on the inside of dry-type transformer, to be not readily susceptible to the erosion of salt fog.
In the present embodiment, the high-tension coil 4, low-voltage coil 6 are epoxy resin casting coil, this kind of dry-type transformer
Good insulation preformance.
In the present embodiment, the high-voltage terminal 3 is embedded in the high-tension coil 4, whole with the high-tension coil 4
Cast, electrical body is partially enclosed in high-tension coil 4, it can prevent the dry-type transformer from being corroded by salt fog.The low pressure connects
Line end 7 also can be equally embedded in the high-voltage terminal 3 in low-voltage coil 6, integrated poured with the low-voltage coil 6.
As shown in Fig. 2, to prevent the electrical body of the tapping device 5 from being corroded by salt fog, the tapping device 5 is arranged
In capsul, the capsul is detachably connected with dry-type transformer, and dismounting is simple, good seal performance.
In the present embodiment, 1 outer surface of the iron core is uniformly coated with epoxy iron core paint, can reach antirust noise reduction purpose.
The folder 2 is made of resistant material, has good corrosion resistance.
It is installed on dismounting for convenience of low-voltage cable, in the present embodiment, the low voltage terminal 7 is that total incapsulation copper bar draws
Go out, equipped with the interface that suitable low-voltage cable connecting terminal is suitably inserted into, facilitates the plug of low-voltage cable.
Embodiment 2
Difference lies in as shown in Figure 3-4, the high-tension coil 4 is paper bag coiling line for the present embodiment and above-described embodiment
Coiling, the low-voltage coil 6 are copper foil or NOMEX paper covered wire coilings.Also other kinds of dry type is can be replaced to become
Depressor.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Among the protection domain that variation is created still in the utility model.
Claims (8)
1. a kind of dry-type transformer, which is characterized in that including：
Iron core；
High-tension coil is connect by folder with the iron core, and the leading-out terminal of the high-tension coil is electrically connected with high-voltage terminal；
Low-voltage coil is connect by folder with the iron core, and the leading-out terminal of the low-voltage coil is electrically connected with low voltage terminal；
Tapping device is connect with the high-tension coil；
At least described high-voltage terminal is arranged on the inside of dry-type transformer in the high-voltage terminal, low voltage terminal, the height
Crimping line end is embedded in the high-tension coil, integrated poured with the high-tension coil.
2. a kind of dry-type transformer according to claim 1, which is characterized in that the high-tension coil, low-voltage coil are ring
Oxygen resin-cast coil.
3. a kind of dry-type transformer according to claim 1, which is characterized in that the high-tension coil be paper bag coiling line around
Coil processed.
4. a kind of dry-type transformer according to claim 3, which is characterized in that the low-voltage coil is copper foil or NOMEX
Paper covered wire coiling.
5. a kind of dry-type transformer according to claim 1, which is characterized in that the tapping device is arranged in capsul
Interior, the capsul is detachably connected with dry-type transformer.
6. a kind of dry-type transformer according to claim 1, which is characterized in that the core exterior surface is uniformly coated with ring
Oxygen iron core paint.
7. a kind of dry-type transformer according to claim 6, which is characterized in that the folder uses resistant material system
At.
8. a kind of dry-type transformer according to any one of claim 1-4, which is characterized in that the low voltage terminal is
Total incapsulation copper bar is drawn, the interface being suitably inserted into equipped with suitable low-voltage cable connecting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680837.0U CN207909678U (en) | 2017-12-06 | 2017-12-06 | A kind of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680837.0U CN207909678U (en) | 2017-12-06 | 2017-12-06 | A kind of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909678U true CN207909678U (en) | 2018-09-25 |
Family
ID=63571517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721680837.0U Active CN207909678U (en) | 2017-12-06 | 2017-12-06 | A kind of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880401A (en) * | 2019-11-28 | 2020-03-13 | 广州中车骏发电气有限公司 | Dry-type transformer |
| WO2023221387A1 (en) * | 2022-05-17 | 2023-11-23 | 海南金盘智能科技股份有限公司 | High-voltage sealed dry-type transformer |
| CN117672691A (en) * | 2024-01-31 | 2024-03-08 | 深圳市中变电力设备有限公司 | Dry-type power transformer |
-
2017
- 2017-12-06 CN CN201721680837.0U patent/CN207909678U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880401A (en) * | 2019-11-28 | 2020-03-13 | 广州中车骏发电气有限公司 | Dry-type transformer |
| WO2023221387A1 (en) * | 2022-05-17 | 2023-11-23 | 海南金盘智能科技股份有限公司 | High-voltage sealed dry-type transformer |
| CN117672691A (en) * | 2024-01-31 | 2024-03-08 | 深圳市中变电力设备有限公司 | Dry-type power transformer |
| CN117672691B (en) * | 2024-01-31 | 2024-04-05 | 深圳市中变电力设备有限公司 | Dry-type power transformer |
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