CN207367759U - A kind of polysilicon is suppressed with low-voltage lead of dry structure - Google Patents
A kind of polysilicon is suppressed with low-voltage lead of dry structure Download PDFInfo
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- CN207367759U CN207367759U CN201721506684.8U CN201721506684U CN207367759U CN 207367759 U CN207367759 U CN 207367759U CN 201721506684 U CN201721506684 U CN 201721506684U CN 207367759 U CN207367759 U CN 207367759U
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- copper bar
- voltage lead
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Abstract
A kind of polysilicon is suppressed fixes insulator with low-voltage lead of dry structure, including extraction copper bar, low-voltage lead parallel connection sealing-in copper bar, low-voltage lead supporting insulator and extraction copper bar；Its low pressure winding forms an entirety, high mechanical strength after coiling, cast, curing；Add and strengthen the fixed insulator for drawing copper bar, can be to avoid Insulator detection；Between low-voltage coil lead-out wire plus reinforcement is fixed in epoxy resin bonded fiber, can be to avoid the deformation of low-voltage coil lead-out wire and damage in insulation during short circuit.
Description
Technical field
The utility model belongs to transformer technology field, and in particular to a kind of polysilicon is suppressed to be drawn with dry-type transformer low pressure
Cable architecture.
Background technology
At present, existing polysilicon is suppressed with low-voltage lead of dry structure, substantially continues to use common dry-type distribution
The low voltage lead structure of transformer.Its existing main problem is：When high-pressure side output voltage is 12 kV, 10.5kV, this
When short-circuit impedance it is very low, generally 2% ~ 3%, if short circuit occurs, low voltage lead structure can be made to be easy to deform, be broken and
Cause damage.
Utility model content
Suppressed the purpose of this utility model is that designing a kind of polysilicon with low-voltage lead of dry structure, it can
Deficiencies of the prior art is solved, is a kind of transformer low-voltage lead structure simple in structure, easy to implement.
The technical solution of the utility model：A kind of polysilicon is suppressed to be existed with low-voltage lead of dry structure, its feature
Include drawing copper bar, low-voltage lead parallel connection sealing-in copper bar, low-voltage lead supporting insulator in it and draw copper bar fixation insulator；
Wherein, it is fixedly connected with extraction copper bar on low-voltage lead parallel connection sealing-in copper bar；The low-voltage lead parallel connection sealing-in copper bar passes through low pressure
Leads support insulator is fixed；The extraction copper bar is fixed by drawing copper bar fixation insulator；Low-voltage lead envelope in parallel
Copper bar is connect to be connected with low-voltage coil lead-out wire X, a4, a3 respectively；The epoxy filled between described low-voltage coil lead-out wire X, a4, a3
Glass-cloth board.
The low-voltage lead parallel connection sealing-in copper bar is hierarchy, there is three layers, respectively with low-voltage coil lead-out wire X, a4, a3
Connection；The low-voltage lead sealing-in copper bar fixes support at its left, center, right three with 3 low-voltage lead supporting insulators respectively.
The extraction copper bar has 5, corresponds to lead-out wire X, a1, a2, a3, a4 respectively.
The corresponding copper bar and the sectional area of low-voltage lead sealing-in copper bar of drawing of described lead-out wire X, a4, a3 is 6*60 mm2,
Corresponding output 12kV, 10.5kV respectively.
The copper bar of drawing fixes the embedded nut of insulator using the nut of M16, extraction copper bar fixation insulator diameter
For Φ 80.
The low pressure winding of the transformer is the structure using poured with epoxy resin form.
The low pressure winding of the transformer is generally fourth gear, and winding sets three taps；Two low pressure windings are in parallel.
The superiority of the utility model：1st, low pressure winding forms an entirety after coiling, cast, curing, just as glass
Steel, has very strong mechanical strength；2nd, the low-voltage lead sealing-in copper bar of lead-out wire X, a4, a3 uses insulator at left, center, right three
Fixed support, low-voltage lead form an entirety；3rd, add and strengthen the fixed insulator for drawing copper bar, when can be to avoid short circuit
The Insulator detection of fixed low-voltage lead；4th, add epoxy resin bonded fiber to be fixed between low-voltage coil lead-out wire X, a4, a3 to add
By force, can be to avoid the deformation of low-voltage coil lead-out wire and damage in insulation during short circuit.
Brief description of the drawings
Fig. 1 is that a kind of polysilicon involved by the utility model is suppressed and shown with the overall structure of low-voltage lead of dry structure
It is intended to.
Fig. 2 is the side view that a kind of polysilicon involved by the utility model suppresses with low-voltage lead of dry structure.
In figure, 1 draws copper bar for low-voltage lead；2 be sealing-in copper bar in parallel；3 be low-voltage lead supporting insulator；4 be to draw
Go out copper bar and fix insulator；5 be epoxy resin bonded fiber；X, a1, a2, a3, a4 are lead-out wire.
Embodiment
Embodiment：A kind of polysilicon is suppressed with low-voltage lead of dry structure（See Fig. 1, Fig. 2）, it is characterised in that it
Including drawing copper bar 1, low-voltage lead parallel connection sealing-in copper bar 2, low-voltage lead supporting insulator 3 and drawing copper bar fixation insulator 4；
Wherein, it is fixedly connected on low-voltage lead parallel connection sealing-in copper bar 2 and draws copper bar 1；The low-voltage lead parallel connection sealing-in copper bar 2 is by low
Voltage lead wires supporting insulator 3 is fixed；The extraction copper bar 1 is fixed by drawing copper bar fixation insulator 4；The low-voltage lead is simultaneously
Connection sealing-in copper bar 2 is connected with low-voltage coil lead-out wire X, a4, a3 respectively；Filled between described low-voltage coil lead-out wire X, a4, a3
Epoxy resin bonded fiber 5.
The low-voltage lead parallel connection sealing-in copper bar 2 is hierarchy（See Fig. 1, Fig. 2）, have three layers, respectively with low-voltage coil
Lead-out wire X, a4, a3 are connected；The low-voltage lead sealing-in copper bar 2 is supported at its left, center, right three with 3 low-voltage leads respectively
Insulator 3 fixes support.
The extraction copper bar 1 has 5（See Fig. 1）, lead-out wire X, a1, a2, a3, a4 are corresponded to respectively.
The corresponding copper bar 1 and the sectional area of low-voltage lead sealing-in copper bar 2 of drawing of described lead-out wire X, a4, a3 is 6*60
mm2, it is corresponding respectively to export 12kV, 10.5kV.
The extraction copper bar fixes insulator 4（See Fig. 1, Fig. 2）Embedded nut use M16 nut, draw copper bar consolidate
Determine a diameter of Φ 80 of insulator 4.
The low pressure winding of the transformer is the structure using poured with epoxy resin form.
The low pressure winding of the transformer is generally fourth gear, and winding sets three taps；Two low pressure windings are in parallel.
The present invention is described in further detail with reference to the accompanying drawings and examples.
Following embodiments are nonlimiting examples of the invention.
A kind of polysilicon is suppressed with low-voltage lead of dry structure（See Fig. 1）, including 1 extraction copper bar x, a1 ~ a4；2
Sealing-in copper bar x, a1 in parallel ~ a4；3 x, a4, a3 sealing-in copper bar supporting insulators.And copper bar x, a1 ~ a4 sections will be drawn and increased to
6X60mm2, for x, a4, a3 supporting insulator at left, center, right setting three, whole low-voltage lead forms an entirety, effective to add
The strong mechanical strength of low-voltage lead.
A kind of polysilicon is suppressed with low-voltage lead of dry structure（See Fig. 2）, including 4 x, a1 ~ a4 draws copper bar and consolidates
Determine insulator；5 low-voltage coils draw the epoxy resin bonded fiber filled between x, a4, a3.Copper bar is drawn when generation is short-circuit to fix absolutely
Edge and low-voltage coil lead-out wire are weak links, are easily gone wrong.Copper bar will now be drawn and fix insulator diameter by Φ 60
Increase to Φ 80 and its embedded nut increases to M16 by M12 and effectively raises intensity；Low-voltage coil is drawn between x, a4, a3
The deformation of x, a4, a3 low-voltage coil lead-out wire, damage in insulation when the epoxy resin bonded fiber of filling avoids short circuit.
It is understood that embodiment of above, which is merely to illustrate that a kind of polysilicon of the utility model is suppressed, uses dry type
Transformer low-voltage lead structure and the illustrative embodiments used, but the present invention is not limited thereto.For in the art
Those of ordinary skill for, do not depart from this utility model spirit and essence in the case of, various modifications can be made
And improvement, these variations and modifications are also considered as the scope of protection of the utility model.
Claims (7)
1. a kind of polysilicon is suppressed with low-voltage lead of dry structure, it is characterised in that it includes extraction copper bar, low pressure is drawn
Line parallel connection sealing-in copper bar, low-voltage lead supporting insulator and extraction copper bar fix insulator；Wherein, low-voltage lead parallel connection sealing-in copper
Extraction copper bar is fixedly connected with row；The low-voltage lead parallel connection sealing-in copper bar is fixed by low-voltage lead supporting insulator；It is described
Draw copper bar and fixed by drawing copper bar fixation insulator；The low-voltage lead parallel connection sealing-in copper bar is drawn with low-voltage coil respectively
Line X, a4, a3 are connected；The epoxy resin bonded fiber filled between described low-voltage coil lead-out wire X, a4, a3.
2. a kind of polysilicon is suppressed with low-voltage lead of dry structure according to claim 1, it is characterised in that described
Low-voltage lead parallel connection sealing-in copper bar is hierarchy, there is three layers, is connected respectively with low-voltage coil lead-out wire X, a4, a3；It is described low
Voltage lead wires sealing-in copper bar fixes support at its left, center, right three with 3 low-voltage lead supporting insulators respectively.
3. a kind of polysilicon is suppressed with low-voltage lead of dry structure according to claim 1, it is characterised in that described
Drawing copper bar has 5, corresponds to lead-out wire X, a1, a2, a3, a4 respectively.
4. a kind of polysilicon is suppressed with low-voltage lead of dry structure according to claim 2, it is characterised in that described
The corresponding copper bar and the sectional area of low-voltage lead sealing-in copper bar of drawing of lead-out wire X, a4, a3 is 6*60 mm2, corresponding output respectively
12kV、10.5kV。
5. a kind of polysilicon is suppressed with low-voltage lead of dry structure according to claim 1, it is characterised in that described
Draw copper bar and fix the embedded nut of insulator using the nut of M16, a diameter of Φ 80 of extraction copper bar fixation insulator.
6. a kind of polysilicon is suppressed with low-voltage lead of dry structure according to claim 1, it is characterised in that described
The low pressure winding of transformer is the structure using poured with epoxy resin form.
7. a kind of polysilicon is suppressed with low-voltage lead of dry structure according to claim 1, it is characterised in that described
The low pressure winding of transformer is generally fourth gear, and winding sets three taps；Two low pressure windings are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506684.8U CN207367759U (en) | 2017-11-13 | 2017-11-13 | A kind of polysilicon is suppressed with low-voltage lead of dry structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506684.8U CN207367759U (en) | 2017-11-13 | 2017-11-13 | A kind of polysilicon is suppressed with low-voltage lead of dry structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207367759U true CN207367759U (en) | 2018-05-15 |
Family
ID=62344017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721506684.8U Expired - Fee Related CN207367759U (en) | 2017-11-13 | 2017-11-13 | A kind of polysilicon is suppressed with low-voltage lead of dry structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207367759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378187A (en) * | 2018-11-24 | 2019-02-22 | 福州天宇电气股份有限公司 | One kind is dry to become transformer resistance to shorting structure and its assembly method |
-
2017
- 2017-11-13 CN CN201721506684.8U patent/CN207367759U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378187A (en) * | 2018-11-24 | 2019-02-22 | 福州天宇电气股份有限公司 | One kind is dry to become transformer resistance to shorting structure and its assembly method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20191113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |