CN102136766A - Cable inducing voltage stabilizing power supply device - Google Patents
Cable inducing voltage stabilizing power supply device Download PDFInfo
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- CN102136766A CN102136766A CN2011101176271A CN201110117627A CN102136766A CN 102136766 A CN102136766 A CN 102136766A CN 2011101176271 A CN2011101176271 A CN 2011101176271A CN 201110117627 A CN201110117627 A CN 201110117627A CN 102136766 A CN102136766 A CN 102136766A
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Abstract
The invention discloses a voltage stabilizing power supply circuit for supplying power by utilizing cable inducing voltage. The circuit comprises a mutual inductor 101, a rectifying circuit 102, a Boost circuit 103, a control circuit 104 and output, wherein the mutual inductor 101 is connected to the rectifying circuit 102; a rectifying bridge is linked to the Boost circuit 103 and linked to the control circuit 104 by the output and the input ends of the Boost circuit; and the control circuit 104 is fed back to the control circuit 104. The invention has the characteristics of simple structure, wide voltage stabilizing range, automatic start, and the like and can be applied to a high-voltage cable monitoring system.
Description
Technical field
The present invention relates to a kind of cable induction stabilized voltage supply device, belong to Power Electronic Circuit and electric apparatus monitoring field.
Background technology
In the electric apparatus monitoring field, especially to the status monitoring of high-tension cable, how to give the power supply of cable auxiliary device is a stubborn problem always.A kind of method preferably is directly to utilize the electric current that flows through on the cable, obtains electric energy by instrument transformer, and supplies with external equipment.But the power supply that instrument transformer obtains is a current source, and general device all needs voltage fed, how efficiently current source to be converted to the key issue that voltage source becomes this method.
Summary of the invention
At the problems referred to above, the present invention just provides a kind of cable induction stabilized voltage supply device.A kind of cable induction stabilized voltage supply device, it comprises a circuit at least, and this circuit is by instrument transformer 101, rectification circuit 102, Boost circuit 103, with control circuit 104 and output, five parts are formed, and instrument transformer 101 is connected to rectification circuit 102, rectifier bridge is linked to Boost circuit 103, through the output of Boost circuit, output is linked to control circuit 104, and control circuit 104 feeds back to control circuit 104 again.Instrument transformer 101 comprises current transformer T101.Rectification circuit 102 comprises the first diode D201, the second diode D202, the 3rd diode D203, the 4th diode D204; One TVS manages D205, a capacitor C 201.The Boost circuit comprises an inductance L 301, one field effect transistor Q301.Control circuit 104 comprises first resistance R, 401, the second resistance R, 402, the three resistance R 403; One control chip U401, a power supply V401.
The end of above-mentioned current transformer T101 is connected with the positive pole of the first diode D201 of rectification circuit 102, is connected with the negative pole of the second diode D202; The other end of current transformer T101 is connected with the positive pole of the 3rd diode D203 of rectification circuit 102, is connected with the negative pole of the 4th diode D204; The negative pole of the first diode D201 is connected with the negative pole of the 3rd diode D203, and the positive pole of the second diode D202 is connected with the positive pole of the 4th diode D204.The negative pole of the 3rd diode D203 is connected with first capacitor C, 201 1 ends with TVS pipe D205 negative pole, and the positive pole of the 4th diode D204 is connected with first capacitor C, 201 1 ends with the positive pole of TVS pipe D205, and the positive pole of the second diode D202 is connected with GND;
First capacitor C, 201 1 ends are connected with first inductance L, 301 1 ends, the other end of first inductance L 301 is connected with the drain electrode of the first field effect transistor Q301, the drain electrode of the first field effect transistor Q301 is connected with the positive pole of the first diode D301, and the source electrode of first field effect transistor is connected with GND; The negative pole of the first diode D301 is connected with an end of first capacitor C 301, the other end of first capacitor C 301 is connected with GND, one end of first resistance R 401 and load is connected with the negative pole of the first diode D301, one end of one end of the other end of first resistance R 401 and second resistance R 402 and the 3rd resistance R 403 and the positive input terminal of the first control chip U401 connect altogether, other end of second resistance R 402 and load is connected with GND, one end of the other end of the 3rd resistance R 403 and first resistance R 301 and the output of the first control chip U401 connect altogether, and the gate pole of the first field effect transistor Q301 is connected with the other end of first resistance R 301; The OUT end of the first power supply V401 is connected with the positive source of the first chip U401, the OUT end of the first reference voltage VREF is connected with the negative input end of the first chip U401, and the GND of the GND of the first power supply V401 and the first reference voltage VREF and power cathode and the GND of the first chip U401 connect altogether.
Foregoing circuit is by the electric current on the current transformer induction cable, through over commutation, the Boost circuit boosts, and control circuit is transformed into the current source of current transformer induction the voltage source of wide region, have wide range of applications, cable appurtenance is directly powered becomes possibility.
Description of drawings
Accompanying drawing 1 is circuit theory diagrams of the present invention;
Accompanying drawing 2 is the circuit connection diagram in the preferred embodiment for the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further described.
The objective of the invention is to solve the powerup issue of the attached checkout gear of cable.By the current transformer induction electric energy, change-over circuit and control circuit obtain wide-range voltage, replace directly laying the method for power line.
Accompanying drawing 1 is circuit catenation principle figure of the present invention, and this circuit is by instrument transformer 101, rectification circuit 102, and Boost circuit 103 and control circuit 104 and output, five parts are formed.Instrument transformer 101 is connected to rectification circuit (rectifier bridge) 102, and rectifier bridge is linked to Boost circuit 103, and through the output of Boost circuit, output is linked to control circuit 104, and control circuit 104 feeds back to control circuit 104 again.
Accompanying drawing 2 is the preferred embodiment of the present invention, is the further execution mode of accompanying drawing 1.
Referring to accompanying drawing 2, the circuit connection mode of technical scheme provided by the invention is as follows: instrument transformer 101 comprises current transformer T101; Rectification circuit 102 comprises the first diode D201, the second diode D202, the 3rd diode D203, the 4th diode D204; One TVS manages D205, a capacitor C 201; The Boost circuit comprises an inductance L 301, one field effect transistor Q301; Control circuit 104 comprises first resistance R, 401, the second resistance R, 402, the three resistance R 403; One control chip U401, a power supply V401.
The end of current transformer T101 is connected with the positive pole of the first diode D201 of rectification circuit 102, is connected with the negative pole of the second diode D202; The other end of current transformer T101 is connected with the positive pole of the 3rd diode D203 of rectification circuit 102, is connected with the negative pole of the 4th diode D204; The negative pole of the first diode D201 is connected with the negative pole of the 3rd diode D203, and the positive pole of the second diode D202 is connected with the positive pole of the 4th diode D204.The negative pole of the 3rd diode D203 is connected with first capacitor C, 201 1 ends with TVS pipe D205 negative pole, and the positive pole of the 4th diode D204 is connected with first capacitor C, 201 1 ends with the positive pole of TVS pipe D205, and the positive pole of the second diode D202 is connected with GND.
First capacitor C, 201 1 ends are connected with first inductance L, 301 1 ends, the other end of first inductance L 301 is connected with the drain electrode of the first field effect transistor Q301, the drain electrode of the first field effect transistor Q301 is connected with the positive pole of the first diode D301, and the source electrode of first field effect transistor is connected with GND.The negative pole of the first diode D301 is connected with an end of first capacitor C 301, the other end of first capacitor C 301 is connected with GND, one end of first resistance R 401 and load is connected with the negative pole of the first diode D301, one end of one end of the other end of first resistance R 401 and second resistance R 402 and the 3rd resistance R 403 and the positive input terminal of the first control chip U401 connect altogether, other end of second resistance R 402 and load is connected with GND, one end of the other end of the 3rd resistance R 403 and first resistance R 301 and the output of the first control chip U401 connect altogether, and the gate pole of the first field effect transistor Q301 is connected with the other end of first resistance R 301; The OUT end of the first power supply V401 is connected with the positive source of the first chip U401, the OUT end of the first reference voltage VREF is connected with the negative input end of the first chip U401, and the GND of the GND of the first power supply V401 and the first reference voltage VREF and power cathode and the GND of the first chip U401 connect altogether.
By the foregoing description as can be seen, the present invention can bring following technique effect: this circuit is by the electric current on the current transformer induction cable, through over commutation, the Boost circuit boosts, and control circuit is transformed into the current source of current transformer induction the voltage source of wide region, have wide range of applications, cable appurtenance is directly powered becomes possibility.
Method and system of the present invention is not limited to the embodiment described in the embodiment, and those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to technological innovation scope of the present invention equally.
Claims (6)
1. cable induction stabilized voltage supply device, it comprises a circuit at least, and this circuit is by instrument transformer 101, rectification circuit 102, Boost circuit 103, with control circuit 104 and output, five parts are formed, and it is characterized in that: instrument transformer 101 is connected to rectification circuit 102, rectifier bridge is linked to Boost circuit 103, through the output of Boost circuit, output is linked to control circuit 104, and control circuit 104 feeds back to control circuit 104 again.
2. a kind of cable induction stabilized voltage supply device as claimed in claim 1 is characterized in that: described instrument transformer 101 comprises current transformer T101.
3. a kind of cable induction stabilized voltage supply device as claimed in claim 2 is characterized in that: described rectification circuit 102 comprises the first diode D201, the second diode D202, the 3rd diode D203, the 4th diode D204; One TVS manages D205, a capacitor C 201.
4. a kind of cable induction stabilized voltage supply device as claimed in claim 3 is characterized in that: described Boost circuit comprises an inductance L 301, one field effect transistor Q301.
5. a kind of cable induction stabilized voltage supply device as claimed in claim 4 is characterized in that: described control circuit 104 comprises first resistance R, 401, the second resistance R, 402, the three resistance R 403; One control chip U401, a power supply V401.
6. a kind of cable induction stabilized voltage supply device as claimed in claim 5 is characterized in that: the end of current transformer T101 is connected with the positive pole of the first diode D201 of rectification circuit 102, is connected with the negative pole of the second diode D202; The other end of current transformer T101 is connected with the positive pole of the 3rd diode D203 of rectification circuit 102, is connected with the negative pole of the 4th diode D204; The negative pole of the first diode D201 is connected with the negative pole of the 3rd diode D203, and the positive pole of the second diode D202 is connected with the positive pole of the 4th diode D204; The negative pole of the 3rd diode D203 is connected with first capacitor C, 201 1 ends with TVS pipe D205 negative pole, and the positive pole of the 4th diode D204 is connected with first capacitor C, 201 1 ends with the positive pole of TVS pipe D205, and the positive pole of the second diode D202 is connected with GND;
First capacitor C, 201 1 ends are connected with first inductance L, 301 1 ends, the other end of first inductance L 301 is connected with the drain electrode of the first field effect transistor Q301, the drain electrode of the first field effect transistor Q301 is connected with the positive pole of the first diode D301, and the source electrode of first field effect transistor is connected with GND; The negative pole of the first diode D301 is connected with an end of first capacitor C 301, the other end of first capacitor C 301 is connected with GND, one end of first resistance R 401 and load is connected with the negative pole of the first diode D301, one end of one end of the other end of first resistance R 401 and second resistance R 402 and the 3rd resistance R 403 and the positive input terminal of the first control chip U401 connect altogether, other end of second resistance R 402 and load is connected with GND, one end of the other end of the 3rd resistance R 403 and first resistance R 301 and the output of the first control chip U401 connect altogether, and the gate pole of the first field effect transistor Q301 is connected with the other end of first resistance R 301; The OUT end of the first power supply V401 is connected with the positive source of the first chip U401, the OUT end of the first reference voltage VREF is connected with the negative input end of the first chip U401, and the GND of the GND of the first power supply V401 and the first reference voltage VREF and power cathode and the GND of the first chip U401 connect altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101176271A CN102136766A (en) | 2011-05-09 | 2011-05-09 | Cable inducing voltage stabilizing power supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101176271A CN102136766A (en) | 2011-05-09 | 2011-05-09 | Cable inducing voltage stabilizing power supply device |
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| CN102136766A true CN102136766A (en) | 2011-07-27 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564493A (en) * | 2011-10-28 | 2012-07-11 | 江苏省电力公司连云港供电公司 | Online monitoring system for galloping of overhead power transmission line |
| CN102570855A (en) * | 2011-10-27 | 2012-07-11 | 江苏省电力公司连云港供电公司 | Power supply device for taking electricity from high-voltage side in induction manner |
| CN102820712A (en) * | 2012-08-27 | 2012-12-12 | 哈尔滨工业大学 | Current induction type power supply of power grid monitoring device |
| CN103001334A (en) * | 2012-11-14 | 2013-03-27 | 广东电网公司佛山供电局 | Suspension power extraction device and suspension power extraction method |
| CN105515219A (en) * | 2014-12-05 | 2016-04-20 | 浙江图维电力科技有限公司 | Current transformer-based series resonance electricity-acquiring DC source |
| CN106169809A (en) * | 2015-12-07 | 2016-11-30 | 浙江群力电气有限公司 | A kind of switch cubicle modular power |
| CN112075019A (en) * | 2018-05-01 | 2020-12-11 | 株式会社村田制作所 | Buck matrix rectifier with boost switch and operation thereof during one phase loss |
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| CN101111987A (en) * | 2005-02-25 | 2008-01-23 | 罗姆股份有限公司 | Step-up/step-down regulator circuit and liquid crystal display device using the same |
| CN101697430A (en) * | 2009-11-12 | 2010-04-21 | 上海交通大学 | Power control method based CT electricity getting device of high voltage transmission line |
| CN202026163U (en) * | 2011-05-09 | 2011-11-02 | 浙江图维电力科技有限公司 | Cable sensing voltage stabilizing power supply device |
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2011
- 2011-05-09 CN CN2011101176271A patent/CN102136766A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101111987A (en) * | 2005-02-25 | 2008-01-23 | 罗姆股份有限公司 | Step-up/step-down regulator circuit and liquid crystal display device using the same |
| CN101697430A (en) * | 2009-11-12 | 2010-04-21 | 上海交通大学 | Power control method based CT electricity getting device of high voltage transmission line |
| CN202026163U (en) * | 2011-05-09 | 2011-11-02 | 浙江图维电力科技有限公司 | Cable sensing voltage stabilizing power supply device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570855A (en) * | 2011-10-27 | 2012-07-11 | 江苏省电力公司连云港供电公司 | Power supply device for taking electricity from high-voltage side in induction manner |
| CN102570855B (en) * | 2011-10-27 | 2013-11-06 | 江苏省电力公司连云港供电公司 | Power supply device for taking electricity from high-voltage side in induction manner |
| CN102564493A (en) * | 2011-10-28 | 2012-07-11 | 江苏省电力公司连云港供电公司 | Online monitoring system for galloping of overhead power transmission line |
| CN102564493B (en) * | 2011-10-28 | 2015-02-04 | 国家电网公司 | Online monitoring system for galloping of overhead power transmission line |
| CN102820712A (en) * | 2012-08-27 | 2012-12-12 | 哈尔滨工业大学 | Current induction type power supply of power grid monitoring device |
| CN102820712B (en) * | 2012-08-27 | 2014-12-24 | 哈尔滨工业大学 | Current induction type power supply of power grid monitoring device |
| CN103001334A (en) * | 2012-11-14 | 2013-03-27 | 广东电网公司佛山供电局 | Suspension power extraction device and suspension power extraction method |
| CN103001334B (en) * | 2012-11-14 | 2016-06-08 | 广东电网公司佛山供电局 | A kind of suspension electricity getting device |
| CN105515219A (en) * | 2014-12-05 | 2016-04-20 | 浙江图维电力科技有限公司 | Current transformer-based series resonance electricity-acquiring DC source |
| CN106169809A (en) * | 2015-12-07 | 2016-11-30 | 浙江群力电气有限公司 | A kind of switch cubicle modular power |
| CN112075019A (en) * | 2018-05-01 | 2020-12-11 | 株式会社村田制作所 | Buck matrix rectifier with boost switch and operation thereof during one phase loss |
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| CB03 | Change of inventor or designer information |
Inventor after: Huang Qiang Inventor after: Wu Chengcai Inventor after: Gao Ming Inventor after: Zhou Rencai Inventor after: Wang Hanjie Inventor after: He Xianhua Inventor before: Huang Qiang Inventor before: Wu Chengcai |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HUANG QIANG WU CHENGCAI TO: HUANG QIANG WU CHENGCAI GAO MING ZHOU RENCAI WANG HANJIE HE XIANHUA |
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Application publication date: 20110727 |