CN203192578U - Novel frequency conversion isolation transformer - Google Patents
Novel frequency conversion isolation transformer Download PDFInfo
- Publication number
- CN203192578U CN203192578U CN 201320026847 CN201320026847U CN203192578U CN 203192578 U CN203192578 U CN 203192578U CN 201320026847 CN201320026847 CN 201320026847 CN 201320026847 U CN201320026847 U CN 201320026847U CN 203192578 U CN203192578 U CN 203192578U
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Abstract
The utility model relates to the field of transformers, in particular to a novel frequency conversion isolation transformer. The novel frequency conversion isolation transformer comprises an iron core, primary side coils and secondary side coils, wherein the iron core is provided with two stems, the number of the primary side coils and the number of the secondary side coils are respectively six, three primary side coils and three secondary side coils are wound on one stem of the iron core, the other three primary side coils and the other three secondary side coils are wound on the other stem, coils adjacent vertically are separated through cushion boards, supporting strips are arranged among the coils and the stems, the six primary side coils are connected in parallel and lead out two primary side leading-out terminals, the secondary side coils on the two stems are connected in parallel respectively, and the secondary side coils on each stem lead out two secondary side leading-out terminals. According to the novel frequency conversion isolation transformer, the winding mode is changed, the cushion boards are arranged among the coils, and the supporting strips are arranged among the coils and the iron core, so that the heat dissipation requirements of the transformer are fully met, and consistency of output voltage of two secondary sides is ensured.
Description
Technical field
The utility model relates to field transformer, is specifically related to a kind of novel frequency conversion isolating transformer that comprises a former limit winding and two secondary windings.
Background technology
The frequency conversion isolating transformer is a vitals of intelligent frequency-conversion power supply, is used for realizing the isolation output function of power supply.When intelligent frequency-conversion power supply run with load, need to guarantee heat radiation and the frequency conversion voltage adjusting precision of power supply, because of existing isolating transformer weak heat-dissipating, can not guarantee the consistency of two secondary outputs of transformer during intermediate frequency output.And modern intelligent frequency-conversion power requirement reference frequency output is wide, and the voltage accuracy height can guarantee high and low shift voltage output accuracy.Given this, press for a kind of good heat dissipation, the high frequency conversion isolating transformer of secondary output consistency.
Summary of the invention
For achieving the above object, the utility model provides a kind of frequency conversion isolating transformer with novel winding mode.
Novel frequency conversion isolating transformer provided by the utility model, comprise iron core, primary coil, secondary coil, iron core has two stems, primary coil and secondary coil respectively have six, wherein three primary coils and three secondary coils are wound on the stem of iron core, all the other coil windings are on another stem, and primary coil and secondary coil putting in order on two stems is primary coil, secondary coil, secondary coil, primary coil, primary coil, secondary coil from top to bottom; Separate by backing plate between the neighbouring coil, be provided with stay between coil and the stem; Six primary coils are in parallel also draws two former limit leading-out terminals, and it is in parallel and respectively draw two secondary leading-out terminals respectively to be positioned at two secondary coils on the stem.Separate by two backing plates that separate between the coil, form the vent passages between coil, it is fastening to use stay to separate around coil and the iron core, form the air channel between coil and iron core, when blower fan is dried from the side, wind enters from air channel between coil and coil, from air channel between coil and iron core the transformer heat is taken away, and helps the transformer heat radiation.Six primary coils of transformer are connected in parallel and draw two former limit leading-out terminals, after former limit leading-out terminal adds voltage, the voltage unanimity at each the primary coil two ends on the iron core, the voltage that secondary coil on two stems induces will be identical, two groups of secondary leading-out terminal voltages are identical, thereby guarantee the consistency of transformer secondary output voltage.
Further, the iron core two ends are fixed by the iron core folder, which is provided with lifting assembly and leading-out terminal and support epoxy plate, and former limit leading-out terminal and secondary leading-out terminal are fixed on leading-out terminal and support on the epoxy plate.
The utility model passes through to change winding configuration, and establishes backing plate between coil, establishes stay between coil and iron core, can fully satisfy the radiating requirements of isolating transformer, guarantees the consistency of two secondary output voltages.
Description of drawings
Below in conjunction with accompanying drawing execution mode of the present utility model is described in detail:
Fig. 1 is structural representation of the present utility model;
Among the figure, 1, former limit leading-out terminal, 2, iron core, 3, primary coil, 4, secondary coil, 5, backing plate, 6, stay, 7, the iron core folder, 8, the secondary leading-out terminal, 9, leading-out terminal supports epoxy plate, 10, the lifting assembly.
Embodiment
A kind of novel frequency conversion isolating transformer as shown in the figure, comprises iron core 2, six primary coils 3, six secondary coils 4, and iron core 2 two ends are fixing by iron core folder 7, which is provided with lifting assembly 10 and leading-out terminal and supports epoxy plate 9.Iron core 2 has two stems, and wherein three primary coils 3 and three secondary coils 4 are wound on the stem of iron core 2, and all the other coils are wound on another stem with the same manner.Primary coil 3 and secondary coil 4 putting in order on two stems is primary coil, secondary coil, secondary coil, primary coil, primary coil, secondary coil from top to bottom.Separate by backing plate 5 between the neighbouring coil, be provided with stay 6 between coil and the stem, separate fastening by stay.Six primary coils 3 are connected in parallel and draw two former limit leading-out terminals 1, three secondary coils 4 on 2 one stems of iron core are connected in parallel and draw two secondary leading-out terminals 8, secondary coil 4 on another stem is connected in parallel and draws two other secondary leading-out terminal 8, and former limit leading-out terminal 1 and secondary leading-out terminal 8 are separately fixed at leading-out terminal and support on the epoxy plate 9.
When this isolating transformer work, separate by two backing plates that separate between the coil, form the ventilation air channel between coil, it is fastening to use stay to separate around coil and the iron core, form the air channel between coil and iron core, when blower fan was dried from the side, wind entered from air channel between coil and coil, from air channel between coil and iron core the transformer heat is taken away, helped the transformer heat radiation.Six primary coils of transformer are connected in parallel and draw two former limit leading-out terminals, after former limit leading-out terminal adds voltage, the voltage unanimity at each the primary coil two ends on the iron core, the voltage that secondary coil on two stems induces will be identical, two groups of secondary leading-out terminal voltages are identical, thereby guarantee the consistency of transformer secondary output voltage.
Claims (2)
1. novel frequency conversion isolating transformer, comprise iron core (2), primary coil (3), secondary coil (4), iron core (2) has two stems, it is characterized in that: primary coil (3) and secondary coil (4) respectively have six, wherein three primary coils (3) and three secondary coils (4) are wound on the stem of iron core (2), all the other coil windings are on another stem, and primary coil (3) and secondary coil (4) putting in order on two stems are primary coil from top to bottom, secondary coil, secondary coil, primary coil, primary coil, secondary coil; Separate by backing plate (5) between the neighbouring coil, be provided with stay (6) between coil and the stem; Six primary coils (3) are in parallel and draw two former limit leading-out terminals (1), are positioned at two secondary coils (4) on the stem, two the secondary leading-out terminals (8) of also respectively drawing in parallel respectively.
2. novel frequency conversion isolating transformer according to claim 1, it is characterized in that: iron core (2) two ends are fixing by iron core folder (7), which is provided with lifting assembly (10) and leading-out terminal and support epoxy plate (9), former limit leading-out terminal (1) and secondary leading-out terminal (8) are fixed on leading-out terminal and support on the epoxy plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026847 CN203192578U (en) | 2013-01-18 | 2013-01-18 | Novel frequency conversion isolation transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026847 CN203192578U (en) | 2013-01-18 | 2013-01-18 | Novel frequency conversion isolation transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192578U true CN203192578U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320026847 Expired - Lifetime CN203192578U (en) | 2013-01-18 | 2013-01-18 | Novel frequency conversion isolation transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203192578U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916415A (en) * | 2015-05-29 | 2015-09-16 | 上海友邦电子有限公司 | Multi-output transformer suitable for printed circuit board (PCB) |
| CN105390251A (en) * | 2015-11-05 | 2016-03-09 | 苏州腾冉电气设备股份有限公司 | Rectifier transformer |
| CN108364762A (en) * | 2018-01-12 | 2018-08-03 | 苏州汇川技术有限公司 | Phase-shifting rectifier transformer |
-
2013
- 2013-01-18 CN CN 201320026847 patent/CN203192578U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916415A (en) * | 2015-05-29 | 2015-09-16 | 上海友邦电子有限公司 | Multi-output transformer suitable for printed circuit board (PCB) |
| CN105390251A (en) * | 2015-11-05 | 2016-03-09 | 苏州腾冉电气设备股份有限公司 | Rectifier transformer |
| CN108364762A (en) * | 2018-01-12 | 2018-08-03 | 苏州汇川技术有限公司 | Phase-shifting rectifier transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |