CN209375499U - A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit - Google Patents
A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit Download PDFInfo
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- CN209375499U CN209375499U CN201821572305.XU CN201821572305U CN209375499U CN 209375499 U CN209375499 U CN 209375499U CN 201821572305 U CN201821572305 U CN 201821572305U CN 209375499 U CN209375499 U CN 209375499U
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Abstract
The utility model discloses a kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuits, it is characterized in that, including a high frequency electric source, several sampling plates, the end LL of the high frequency electric source and NN terminate alternating current 220VAC, one end GDD of the high frequency electric source is grounded, another end GDD and OUT terminal connect the both ends of a silica gel line, a high-frequency magnetic and the induction power supply connecting with high-frequency magnetic and the optocoupler connecting with induction power supply output end are provided on each sampling plate, the output end of the optocoupler is connected to the optical signal feedback end of the high frequency electric source by optical fiber；The silica gel line passes through all high-frequency magnetics.The utility model transfers its energy to induction power supply using high voltage silica gel line and high-frequency magnetic, and the stress levels of isolation reach 42000V.The sampled signal of induction power supply is also fed back to high frequency electric source using optocoupler and optical fiber by the utility model, achievees the purpose that the output power and output voltage of stable high frequency electric source.
Description
Technical field
The utility model relates to mesohigh solid state motor soft starter technical field more particularly to a kind of mesohigh solid-state electricity
Machine soft starter high-frequency isolation power supply circuit.
Background technique
Soft starter is a kind of motor control assembly, collection electric machine soft starting, soft stop, light-load energy saving and a variety of protection function
It can Yu Yiti.
General mesohigh solid state motor soft starter is sampled using voltage transformer, since voltage transformer exists
Resonance is easy over-voltage.
The utility model has carried out beneficial exploration and trial thus, has found result of the above problems, below will
The scheme to be introduced is generated under this background.
Utility model content
The technical problem to be solved by the utility model is to provide in one kind with defect in view of the deficiencies of the prior art
High-voltage solid-state motor soft starter high-frequency isolation power supply circuit.
The technical issues of the utility model is solved can be realized using following technical scheme:
A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit, which is characterized in that including a high frequency electric source,
Several sampling plates, the end LL of the high frequency electric source and NN terminate alternating current 220VAC, and an end GDD of the high frequency electric source is grounded,
Another end GDD and OUT terminal connect the both ends of a silica gel line, and a high-frequency magnetic is provided on each sampling plate and is connected with high-frequency magnetic
The induction power supply connect and the optocoupler connecting with induction power supply output end, the output end of the optocoupler are connected to described by optical fiber
The optical signal feedback end of high frequency electric source；The silica gel line passes through all high-frequency magnetics.
In a preferred embodiment of the utility model, the stress levels of the silica gel line are greater than 42000V.
In a preferred embodiment of the utility model, the output voltage of the high frequency transformer of the high frequency electric source it is big
It is small determine high-frequency magnetic number.
Due to using technical solution as above, the utility model is passed energy using high voltage silica gel line and high-frequency magnetic
It is handed to induction power supply, the stress levels of isolation reach 42000V.The utility model also utilizes optocoupler and optical fiber by induction power supply
Sampled signal feeds back to high frequency electric source, achievees the purpose that the output power and output voltage of stable high frequency electric source.With the prior art
It compares, the utility model has the beneficial effects that: structure is more reasonable, there is perfect defencive function, output voltage stabilization, line
Wave is smaller, and isolation voltage is high, and total quality is firm, long service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
The utility model is further described in face.
A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit as shown in Figure 1, including a high frequency electric source
100, several sampling plates 200, the end LL of high frequency electric source 100 and NN terminate alternating current 220VAC, an end GDD of high frequency electric source 100
Ground connection, another end GDD and OUT terminal connect the both ends of a silica gel line 300, and the stress levels of silica gel line 300 are greater than 42000V.
A high-frequency magnetic 410 and the induction power supply connecting with high-frequency magnetic 410 are provided on each sampling plate 400 (in figure
Be not shown) and the optocoupler (not shown) that is connect with induction power supply output end, the output end of optocoupler connected by optical fiber 500
To the optical signal feedback end of high frequency electric source 100；Silica gel line 300 passes through all high-frequency magnetics 410.The high frequency of high frequency electric source 100
The size of the output voltage of transformer determine high-frequency magnetic 410 number.Optocoupler be used to feedback-induced power supply output power and
Output voltage.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit, which is characterized in that if including a high frequency electric source,
Dry sampling plate, the end LL of the high frequency electric source and NN terminate alternating current 220VAC, and an end GDD of the high frequency electric source is grounded, separately
One end GDD and OUT terminal connect the both ends of a silica gel line, are provided with a high-frequency magnetic on each sampling plate and connect with high-frequency magnetic
Induction power supply and the optocoupler that is connect with induction power supply output end, the output end of the optocoupler height is connected to by optical fiber
The optical signal feedback end of frequency power；The silica gel line passes through all high-frequency magnetics.
2. a kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit as described in claim 1, which is characterized in that
The stress levels of the silica gel line are greater than 42000V.
3. a kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit as described in claim 1, which is characterized in that
The size of the output voltage of the high frequency transformer of the high frequency electric source determine high-frequency magnetic number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572305.XU CN209375499U (en) | 2018-09-26 | 2018-09-26 | A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572305.XU CN209375499U (en) | 2018-09-26 | 2018-09-26 | A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375499U true CN209375499U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821572305.XU Active CN209375499U (en) | 2018-09-26 | 2018-09-26 | A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167534A (en) * | 2018-09-26 | 2019-01-08 | 上海雷诺尔科技股份有限公司 | A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit |
-
2018
- 2018-09-26 CN CN201821572305.XU patent/CN209375499U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167534A (en) * | 2018-09-26 | 2019-01-08 | 上海雷诺尔科技股份有限公司 | A kind of mesohigh solid state motor soft starter high-frequency isolation power supply circuit |
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| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 201800 Building 1, 188 Lane 3968, Chengbei Road, Jiading District, Shanghai Patentee after: SHANGHAI RENLE SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 201800, 1, 3980 North Road, Shanghai, Jiading District Patentee before: SHANGHAI RENLE SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |