CN203444948U - Transformer - Google Patents
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- CN203444948U CN203444948U CN201320578500.4U CN201320578500U CN203444948U CN 203444948 U CN203444948 U CN 203444948U CN 201320578500 U CN201320578500 U CN 201320578500U CN 203444948 U CN203444948 U CN 203444948U
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- Prior art keywords
- wire
- lead
- transformer
- paper insulation
- zero line
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Abstract
The utility model discloses a transformer. The transformer comprises a first insulating part, a primary winding, a second insulating part and a secondary winding, wherein the primary winding is provided with a first fire wire lead and a first neutral wire lead which are fixed on the first insulating part in parallel; the secondary winding is provided with a second fire wire lead and a second neutral wire lead which are fixed on the second insulating part in parallel. By adopting the transformer, the problem that the transformer is susceptible to short circuit in the prior art is solved, and further the effect of reducing fault rate in production and customer service of the transformer can be realized.
Description
Technical field
The utility model relates to electric equipment field, in particular to a kind of transformer.
Background technology
In prior art, the lead-out wire of the armature winding of transformer and secondary winding tap place (zero live wire), easily because of the inner cabling environmental stress lack of standardization, vibrated of transformer or pull former thereby displacements such as pulling lead-in wire, cause tap two pins to touch and cause together transformer short circuit fault.
For the problem of the easy short circuit of transformer in correlation technique, effective solution is not yet proposed at present.
Utility model content
Main purpose of the present utility model is to provide a kind of transformer, to solve the problem of the easy short circuit of transformer in prior art.
To achieve these goals, according to the utility model, provide a kind of transformer, having comprised: the first insulating part; Armature winding, has the first live wire lead-in wire and the first zero line lead-in wire, and wherein, the first live wire lead-in wire and the first zero line lead-in wire are fixed on the first insulating part side by side; The second insulating part; And secondary winding, there is the second live wire lead-in wire and the second zero line lead-in wire, wherein, the second live wire lead-in wire and the second zero line lead-in wire are fixed on the second insulating part side by side.
Further, the number of secondary winding is a plurality of, and wherein, the second live wire lead-in wire and the second zero line lead-in wire of each secondary winding are all fixed on the second insulating part side by side.
Further, the first insulating part is first bar paper insulation part, and the second insulating part is second bar paper insulation part.
Further, the first live wire lead-in wire and the first zero line lead-in wire all have insulating barrier, wherein, the insulating barrier of the first live wire lead-in wire is fixed on first bar paper insulation part, the insulating barrier of the first zero line lead-in wire is fixed on first bar paper insulation part, and the second live wire lead-in wire and the second zero line lead-in wire all have insulating barrier, wherein, the insulating barrier of the second live wire lead-in wire is fixed on second bar paper insulation part, and the insulating barrier of the second zero line lead-in wire is fixed on second bar paper insulation part.
Further, the insulating barrier of the first live wire lead-in wire and first bar paper insulation part are fixed together by miscible, the insulating barrier of the first zero line lead-in wire and first bar paper insulation part are fixed together by miscible, the insulating barrier of the second live wire lead-in wire and second bar paper insulation part are fixed together by miscible, and the insulating barrier of the second zero line lead-in wire and second bar paper insulation part are fixed together by miscible.
Further, the fusing point of the insulating barrier of the fusing point of the insulating barrier of the first live wire lead-in wire and the first zero line lead-in wire is all greater than the fusing point of first bar paper insulation part, and the fusing point of the insulating barrier of the fusing point of the insulating barrier of the second live wire lead-in wire and the second zero line lead-in wire is all greater than the fusing point of second bar paper insulation part.
Further, first bar paper insulation part and second bar paper insulation part are PVC piece bar paper insulation part.
The utility model adopts the transformer of following structure: the first insulating part; Armature winding, has the first live wire lead-in wire and the first zero line lead-in wire, and wherein, the first live wire lead-in wire and the first zero line lead-in wire are fixed on the first insulating part side by side; The second insulating part; And secondary winding, there is the second live wire lead-in wire and the second zero line lead-in wire, wherein, the second live wire lead-in wire and the second zero line lead-in wire are fixed on the second insulating part side by side.By fixedly the first insulating part of armature winding lead-in wire is set in transformer, the second insulating part with fixed secondary winding, realized the lead-in wire of primary winding and secondary winding tap place has effectively been fixed, avoid lead-in wire to occur displacement, and then avoid tap two pins to touch causing together transformer short-circuit, solved the problem of the easy short circuit of transformer in prior art, and then reached and reduce transformer production and the effect of failure rate after sale.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the armature winding lead-out wire of the transformer of the utility model embodiment;
Fig. 2 is according to the schematic diagram of the secondary winding lead-out wire of the transformer of the utility model the first embodiment; And
Fig. 3 is according to the schematic diagram of the secondary winding lead-out wire of the transformer of the utility model the second embodiment.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
The utility model embodiment provides a kind of transformer, below transformer that the utility model embodiment is provided be specifically introduced:
The transformer that the utility model embodiment provides mainly comprises the first insulating part 11, the second insulating part 21, armature winding and secondary winding, Fig. 1 is according to the schematic diagram of the armature winding lead-out wire of the transformer of the utility model embodiment, Fig. 2 is according to the schematic diagram of the secondary winding lead-out wire of the transformer of the utility model the first embodiment, as depicted in figs. 1 and 2, armature winding has first live wire lead-in wire the 121 and first zero line lead-in wire 122, wherein, first live wire lead-in wire the 121 and first zero line lead-in wire 122 is fixed on the first insulating part 11 side by side, and the vertical range between first live wire lead-in wire the 121 and first zero line lead-in wire 122 is more than or equal to the electrical safety distance of armature winding.Secondary winding has second live wire lead-in wire the 221 and second zero line lead-in wire 222, wherein, second live wire lead-in wire the 221 and second zero line lead-in wire 222 is fixed on the second insulating part 21 side by side, and the vertical range between the second live wire lead-in wire the 221 and second zero line lead-in wire 222 is more than or equal to the electrical safety distance of secondary winding.
It should be noted that, the bond pad locations of enamelled wire in Fig. 1 on 13 expression armature windings on transformer framework, 14 represent the power line in armature winding, the bond pad locations of enamelled wire in Fig. 2 on 23 expression secondary winding on transformer framework, 24 represent the power line in secondary winding, wherein, the voltage that power line connects is that even 380V is not etc. for 110V, 220V.
The transformer that the utility model embodiment provides, by fixedly the first insulating part of armature winding lead-in wire is set in transformer, the second insulating part with fixed secondary winding, realized the lead-in wire of primary winding and secondary winding tap place has effectively been fixed, avoid lead-in wire to occur displacement, and then avoid tap two pins to touch causing together transformer short-circuit, solved the problem of the easy short circuit of transformer in prior art, and then reached and reduce transformer production and the effect of failure rate after sale.
Particularly, in the utility model embodiment, the first insulating part 11 can be first bar paper insulation part, the second insulating part 21 can be second bar paper insulation part, wherein, first live wire lead-in wire the 121 and first zero line lead-in wire 122 all has insulating barrier, second live wire lead-in wire the 221 and second zero line lead-in wire 222 also all has insulating barrier, each lead-in wire is mainly by its insulating barrier, to be fixed on mode on insulating part to be fixed on correspondingly on insulating part, , for first live wire lead-in wire the 121 and first zero line lead-in wire 122 fixed forms that are fixed on side by side on the first insulating part 11, mainly: the insulating barrier of the first live wire lead-in wire 121 is fixed on first bar paper insulation part, the insulating barrier of the first zero line lead-in wire 122 is fixed on first bar paper insulation part, for second live wire lead-in wire the 221 and second zero line lead-in wire 222 fixed forms that are fixed on side by side on the second insulating part 21, mainly: the insulating barrier of the second live wire lead-in wire 221 is fixed on second bar paper insulation part, the insulating barrier of the second zero line lead-in wire 222 is fixed on second bar paper insulation part.
Wherein, the fixed form of insulating barrier and piece bar paper insulation part is mainly miscible fixed form, the insulating barrier of the first live wire lead-in wire 121 and first bar paper insulation part are fixed together by miscible, the insulating barrier of the first zero line lead-in wire 122 and first bar paper insulation part are fixed together by miscible, the insulating barrier of the second live wire lead-in wire 221 and second bar paper insulation part are fixed together by miscible, and the insulating barrier of the second zero line lead-in wire 222 and second bar paper insulation part are fixed together by miscible.In the utility model embodiment, the fusing point of insulating part is lower than the fusing point of its fixing lead wire insulation layer,, the fusing point of the insulating barrier of the fusing point of the insulating barrier of the first live wire lead-in wire 121 and the first zero line lead-in wire 122 is all greater than the fusing point of first bar paper insulation part, and the fusing point of the insulating barrier of the fusing point of the insulating barrier of the second live wire lead-in wire 221 and the second zero line lead-in wire 222 is all greater than the fusing point of second bar paper insulation part.The insulating part fixedly mode of respective lead can be realized by following operation:
In last procedure of lead-in wire crimping, piece is clung to the fusing point that paper insulation part is heated to this piece bar paper insulation part, the 3S of hot pressing simultaneously can make piece bar paper insulation part and the adhesion of lead wire insulation layer fix, thereby has guaranteed the electrical safety distance between two lead-out wires.
It should be noted that, in actual production process, the size of piece bar paper insulation part and size are determined by size and the size of transformer framework, the size and the size that guarantee piece bar paper insulation part match with size and the size of transformer framework, and without burr, can just fit and put into skeleton line bag and do not leak outside, do not prick limit.
Preferably, in the utility model embodiment, first bar paper insulation part and second bar paper insulation part are polyvinyl chloride (polyvinylchloride, be called for short PVC) piece bar paper insulation part, correspondingly, in last procedure of lead-in wire crimping, it is that hot pressing is fixed piece bar paper insulation part and the adhesion of lead wire insulation layer that PVC piece bar paper insulation part is heated to 90 ℃ of left and right.
Because the heatproof of primary winding and secondary winding lead-in wire is generally 100 ℃ on the upper side, mostly be 105 ℃, so, the fusing point of the fusing point of first bar paper insulation part and second bar paper insulation part all needs to meet not the heatproof higher than transformer lead, by first bar paper insulation part and second bar paper insulation part are all set to PVC piece bar paper insulation part, utilize PVC heat fusion joint low, and the plasticising of PVC high polymer and effective range has miscible characteristic mutually, when being heated to 90 ℃ of left and right, can fix with the adhesion of lead wire insulation layer, thereby in the electrical safety distance guaranteeing between lead-out wire, guarantee not destroy the insulating barrier of transformer lead, further avoid transformer to break down.
The number of the secondary winding that the transformer that the utility model embodiment provides comprises can be for a plurality of, Fig. 3 is according to the schematic diagram of the secondary winding lead-out wire of the transformer of the utility model the second embodiment, as shown in Figure 3, be with the difference of the secondary winding lead-out wire of the transformer of the utility model the first embodiment shown in Fig. 2, in Fig. 2, secondary winding is one group, two groups of secondary winding in Fig. 3, have been schematically shown, wherein, second live wire lead-in wire the 221 and second zero line lead-in wire 222 of each secondary winding is all fixed on the second insulating part 21 side by side.For thering is the transformer of 3 groups, 4 groups or more groups of secondary winding, second live wire lead-in wire the 221 and second zero line lead-in wire 222 that is equally each secondary winding is all fixed on the second insulating part 21 side by side, and the vertical range between the live wire of each group lead-in wire and zero line lead-in wire is more than or equal to the electrical safety distance of secondary winding, and the vertical range between adjacent winding is also more than or equal to corresponding electrical safety distance.
For the more transformer of secondary winding, because lead-in wire is more, more easily because transformer short-circuit appears in touching of lead-in wire, by insulating part is set, greatly reduce the frequency that transformer short-circuit occurs.
As can be seen from the above description, the utility model has been realized reduction transformer production and failure rate after sale, improves the effect of transformer fail safe.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. a transformer, is characterized in that, comprising:
The first insulating part;
Armature winding, has the first live wire lead-in wire and the first zero line lead-in wire, and wherein, described the first live wire lead-in wire and described the first zero line lead-in wire are fixed on described the first insulating part side by side;
The second insulating part; And
Secondary winding, has the second live wire lead-in wire and the second zero line lead-in wire, and wherein, described the second live wire lead-in wire and described the second zero line lead-in wire are fixed on described the second insulating part side by side.
2. transformer according to claim 1, is characterized in that, the number of described secondary winding is a plurality of, and wherein, described in each, the described second live wire lead-in wire of secondary winding and described the second zero line lead-in wire are all fixed on described the second insulating part side by side.
3. transformer according to claim 1 and 2, is characterized in that, described the first insulating part is first bar paper insulation part, and described the second insulating part is second bar paper insulation part.
4. transformer according to claim 3, is characterized in that,
Described the first live wire lead-in wire and described the first zero line lead-in wire all have insulating barrier, and wherein, the insulating barrier of described the first live wire lead-in wire is fixed on described first bar paper insulation part, and the insulating barrier of described the first zero line lead-in wire is fixed on described first bar paper insulation part,
Described the second live wire lead-in wire and described the second zero line lead-in wire all have insulating barrier, and wherein, the insulating barrier of described the second live wire lead-in wire is fixed on described second bar paper insulation part, and the insulating barrier of described the second zero line lead-in wire is fixed on described second bar paper insulation part.
5. transformer according to claim 4, is characterized in that,
The insulating barrier of described the first live wire lead-in wire and described first bar paper insulation part are fixed together by miscible, and the insulating barrier of described the first zero line lead-in wire and described first bar paper insulation part are fixed together by miscible,
The insulating barrier of described the second live wire lead-in wire and described second bar paper insulation part are fixed together by miscible, and the insulating barrier of described the second zero line lead-in wire and described second bar paper insulation part are fixed together by miscible.
6. transformer according to claim 5, is characterized in that,
The fusing point of the insulating barrier of the fusing point of the insulating barrier of described the first live wire lead-in wire and described the first zero line lead-in wire is all greater than the fusing point of described first bar paper insulation part,
The fusing point of the insulating barrier of the fusing point of the insulating barrier of described the second live wire lead-in wire and described the second zero line lead-in wire is all greater than the fusing point of described second bar paper insulation part.
7. transformer according to claim 3, is characterized in that, described first bar paper insulation part and described second bar paper insulation part are PVC piece bar paper insulation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578500.4U CN203444948U (en) | 2013-09-17 | 2013-09-17 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578500.4U CN203444948U (en) | 2013-09-17 | 2013-09-17 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444948U true CN203444948U (en) | 2014-02-19 |
Family
ID=50095976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320578500.4U Expired - Fee Related CN203444948U (en) | 2013-09-17 | 2013-09-17 | Transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203444948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231378A (en) * | 2016-12-21 | 2018-06-29 | Tdk株式会社 | Coil device |
-
2013
- 2013-09-17 CN CN201320578500.4U patent/CN203444948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231378A (en) * | 2016-12-21 | 2018-06-29 | Tdk株式会社 | Coil 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: 20140219 Termination date: 20210917 |