CN204068716U - A kind of microwave variable frequency power supply auxiliary power supply structure - Google Patents
A kind of microwave variable frequency power supply auxiliary power supply structure Download PDFInfo
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- CN204068716U CN204068716U CN201420519616.5U CN201420519616U CN204068716U CN 204068716 U CN204068716 U CN 204068716U CN 201420519616 U CN201420519616 U CN 201420519616U CN 204068716 U CN204068716 U CN 204068716U
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- auxiliary winding
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Abstract
The utility model embodiment discloses a kind of microwave variable frequency power supply auxiliary power supply structure, the power supply of winding as master control low voltage circuit and the resistant series of the present large quantity of transformer increase by second auxiliary winding replacement are assisted in transformer increase by first, reliability improves, save this part circuit of divider resistance, save cost, simplify circuit, expand interelement room on PCB, strengthen safe distance, circuit safety improves, the signal that second auxiliary winding directly will detect after transformer output rectifying and wave-filtering, save large quantity resistance, first auxiliary winding is that governor circuit is powered, the power supply circuits made of high-power cement resistor step-down at present can be saved, product efficiency is higher.
Description
Technical field
The utility model relates to field transformer, particularly relates to a kind of microwave variable frequency power supply auxiliary power supply structure.
Background technology
Microwave current variable frequency power supply Phase Detecting Device mainly adopts resistant series dividing potential drop to carry out the detection of signal, then sampling desired signal input master control IC is carried out computing, its fundamental diagram, circuit shortcoming as shown in Figure 1:
1, resistance number ratio is more
2, failure likelihood is larger
3, when PCB size is certain, PCB layout is complicated
4, line length walked by input branch road, is easy to disturbed
5, the application of the resistance of large quantity, to examine signal global error larger, testing result is inaccurate.
Utility model content
The utility model embodiment technical problem to be solved is, provides a kind of more reliable, microwave variable frequency power supply auxiliary power supply structure that efficiency is higher.
Described microwave variable frequency power supply auxiliary power supply structure, comprise skeleton body, described skeleton body is provided with armature winding and secondary winding, described secondary winding side is also provided with Filament Winding, described armature winding both sides are respectively arranged with the first auxiliary winding and the second auxiliary winding, described second auxiliary winding is used for the signal that directly will detect from transformer output rectifying and wave-filtering, save large quantity resistance, described first auxiliary winding is used for powering for governor circuit, can save the power supply circuits made of high-power cement resistor step-down at present.。
Implement the utility model embodiment, there is following beneficial effect:
The utility model embodiment microwave variable frequency power supply auxiliary power supply structure, the power supply of winding as master control low voltage circuit and the resistant series of the present large quantity of transformer increase by second auxiliary winding replacement are assisted in transformer increase by first, reliability improves, save this part circuit of divider resistance, save cost, simplify circuit, expand interelement room on PCB, strengthen safe distance, circuit safety improves, the signal that second auxiliary winding directly will detect after transformer output rectifying and wave-filtering, save large quantity resistance, first auxiliary winding is that governor circuit is powered, the power supply circuits made of high-power cement resistor step-down at present can be saved, product efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment existing structure schematic diagram;
Fig. 2 is the utility model example structure schematic diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model embodiment microwave variable frequency power supply auxiliary power supply structure, comprise skeleton body, skeleton body is provided with armature winding and secondary winding, secondary winding side is also provided with Filament Winding, armature winding both sides are respectively arranged with the first auxiliary winding and the second auxiliary winding, second auxiliary winding is used for the signal that directly will detect from transformer output rectifying and wave-filtering, save large quantity resistance, first auxiliary winding is used for powering for governor circuit, can save the power supply circuits made of high-power cement resistor step-down at present.
The utility model embodiment microwave variable frequency power supply auxiliary power supply structure, the power supply of winding as master control low voltage circuit and the resistant series of the present large quantity of transformer increase by second auxiliary winding replacement are assisted in transformer increase by first, reliability improves, save this part circuit of divider resistance, save cost, simplify circuit, expand interelement room on PCB, strengthen safe distance, circuit safety improves, the signal that second auxiliary winding directly will detect after transformer output rectifying and wave-filtering, save large quantity resistance, first auxiliary winding is that governor circuit is powered, the power supply circuits made of high-power cement resistor step-down at present can be saved, product efficiency is higher.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (1)
1. a microwave variable frequency power supply auxiliary power supply structure, it is characterized in that: comprise skeleton body, described skeleton body is provided with armature winding and secondary winding, described secondary winding side is also provided with Filament Winding, described armature winding both sides are respectively arranged with the first auxiliary winding and the second auxiliary winding, described second auxiliary winding is used for the signal that directly will detect from transformer output rectifying and wave-filtering, save large quantity resistance, described first auxiliary winding is used for powering for governor circuit, can save the power supply circuits made of high-power cement resistor step-down at present.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519616.5U CN204068716U (en) | 2014-09-10 | 2014-09-10 | A kind of microwave variable frequency power supply auxiliary power supply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519616.5U CN204068716U (en) | 2014-09-10 | 2014-09-10 | A kind of microwave variable frequency power supply auxiliary power supply structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068716U true CN204068716U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420519616.5U Active CN204068716U (en) | 2014-09-10 | 2014-09-10 | A kind of microwave variable frequency power supply auxiliary power supply structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068716U (en) |
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2014
- 2014-09-10 CN CN201420519616.5U patent/CN204068716U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Beijiao town Shunde District Guangdong city Foshan province 528300 neighborhood along the river road eleven No. 25 Shunde Sanle Innovation Industry Park Patentee after: Guangdong Shang Shang Electronic Technology Co., Ltd. Address before: Beijiao town Shunde District Guangdong city Foshan province 528300 neighborhood along the River Road No. 25 in two, A building third, four floor Patentee before: Foshan Shunde Shangyan Electronic Technology Co., Ltd. |