CN101951002A - Electric field induction type signal detection circuit power supply of high-voltage system - Google Patents
Electric field induction type signal detection circuit power supply of high-voltage system Download PDFInfo
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- CN101951002A CN101951002A CN 201010295744 CN201010295744A CN101951002A CN 101951002 A CN101951002 A CN 101951002A CN 201010295744 CN201010295744 CN 201010295744 CN 201010295744 A CN201010295744 A CN 201010295744A CN 101951002 A CN101951002 A CN 101951002A
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Abstract
The invention relates to an electric field induction type signal detection circuit power supply of a high-voltage system, which comprises a conducting bar, a first insulating body, a first electrode, a second insulating body, a second electrode, a power supply circuit, a diode, a chargeable battery and a high-voltage signal detection circuit, wherein the first electrode and the second electrode of each phase induce an electric field of the conducting bar of a corresponding phase, the voltage of the difference of the strength of the electric field of the first electrode of each phase and the strength of the electric field of the second electrode of each phase is processed by the power supply circuit and can supply power for charging the chargeable battery through the diode and supply for the high-voltage signal detection circuit to be used as the power supply of the high-voltage signal detection circuit. The invention has the characteristics of safety, reliability, small volume, low cost, convenient installation and the like.
Description
Technical field
The present invention relates to a kind of high-voltage system electric field induction signal deteching circuit power supply, belong to high-voltage power system on-line monitoring technique field.
Background technology
The used power supply major part of high-voltage system parameter online circuit adopts the scheme of bus core-theaded type current transformer at present, but this scheme is installed inconvenient, particularly there is little galvanic areas, power supply capacity is not enough to support the high-pressure side circuit in this galvanic areas, promptly circuit can't operate as normal in this zone, the patent No. is that 96243255.5 Chinese utility model patent " the little power consumption not function of solar energy type Fibre Optical Sensor " is the Zhang Peiming by University of Fuzhou, open a kind of power supply that adopts solar cell as the high-pressure section circuit of high-voltage system parameter online of swimming invention, can address the above problem, but, make this scheme can't be applied to high-tension switch cabinet owing to do not have light or do not have enough light intensity in the high-tension switch cabinet.
Summary of the invention
The purpose of this invention is to provide a kind of high-voltage system electric field induction signal deteching circuit power supply, it adopts the principle of high-voltage system electric field induction to provide the high-pressure side at the line detection circuit power supply, has safety, reliably, characteristics such as volume is little, and cost is low, and is easy for installation.
The object of the present invention is achieved like this, a kind of high-voltage system electric field induction signal deteching circuit power supply, comprise busbar A, the first insulator C, the first electrode D, the second insulator E, the second electrode F, power circuit B, diode I, rechargeable battery H, high-voltage signal testing circuit G, it is characterized in that: the first insulator C of every phase places on the busbar A, the first electrode D places on the first insulator C, the second insulator E places on the first electrode D, the second electrode F places on the second insulator E, power circuit B places on the busbar A, the first electrode D is electrically connected at the input of power circuit B, the second electrode F is electrically connected at another input of power circuit B, the anode of the cathode output end of power circuit B and diode I, the positive pole of the negative electrode of diode I and rechargeable battery H, high-voltage signal testing circuit G positive power source terminal joins, the negative pole of the cathode output end of power circuit B and rechargeable battery H, high-voltage signal testing circuit G negative power end joins, the first electrode D of every phase and the second electrode F respond to the electric field of the corresponding A of busbar mutually, the voltage of the difference of the electric field strength of the first electrode D of every phase and the electric field strength of the second electrode F is after power circuit B handles, offer rechargeable battery H charging by diode I, offer the power supply of high-voltage signal testing circuit G simultaneously as high-voltage signal testing circuit G.
Description of drawings
Fig. 1 is the structural representation block diagram of the embodiment of the invention one.
Fig. 2 is embodiments of the invention two schematic diagrames.
Fig. 3 is embodiments of the invention three schematic diagrames.
Fig. 4 is embodiments of the invention four schematic diagrames.
Embodiment
Below in conjunction with drawings and Examples the present invention is described further.
As shown in Figure 1, a kind of high-voltage system electric field induction signal deteching circuit power supply, comprise busbar A, insulator C, electrode D, insulator E, the second electrode F, power circuit B, diode I, rechargeable battery H, high-voltage signal testing circuit G, it is characterized in that: the first insulator C of every phase places on the busbar A, the first electrode D places on the first insulator C, the second insulator E places on the first electrode D, the second electrode F places on the second insulator E, power circuit B places on the busbar A, the first electrode D is electrically connected at the input of power circuit B, the second electrode F is electrically connected at another input of power circuit B, the anode of the cathode output end of power circuit B and diode I, the positive pole of the negative electrode of diode I and rechargeable battery H, high-voltage signal testing circuit G positive power source terminal joins, the negative pole of the cathode output end of power circuit B and rechargeable battery H, high-voltage signal testing circuit G negative power end joins, the first electrode D of every phase and the second electrode F respond to the electric field of the corresponding A of busbar mutually, the voltage of the difference of the electric field strength of the first electrode D of every phase and the electric field strength of the second electrode F is after power circuit B handles, offer rechargeable battery H charging by diode I, offer the power supply of high-voltage signal testing circuit G simultaneously as high-voltage signal testing circuit G.
At this, in the preferred embodiment of the present invention, described busbar A is the three-phase busbar.
When high-voltage system moves, first electrode of tested phase busbar correspondence is with in second electrode is in the electric field of this corresponding tested busbar mutually respectively, but first electrode is different with the second electrode place electric field strength, first electrode, 1 place's electric field strength is greater than the second electrode place electric field strength, with the voltage of the difference of the electric field strength of first electrode and second electrode 2 after power circuit is handled, offer the rechargeable battery charging by diode, offer the power supply of high-voltage signal testing circuit simultaneously as the high-voltage signal testing circuit.
Please continue referring to Fig. 2, Fig. 2 is the structural representation of preferred embodiment 2 of the present invention, and as we know from the figure, the first electrode D of every phase can directly place on the busbar A, saves the first insulator C.
Fig. 3 is the structural representation of preferred embodiment 3 of the present invention, as we know from the figure, the busbar A of its every phase is as electrode, save the first insulator C and the first electrode D, it comprises busbar A, the second insulator E, the second electrode F, power circuit B, diode I, rechargeable battery H, high-voltage signal testing circuit G, every phase second insulator E places on the busbar A, the second electrode F places on the second insulator E, and power circuit B places on the busbar A, and busbar A is electrically connected at the input of power circuit B, the second electrode F is electrically connected at another input of power circuit B, high-voltage signal testing circuit G is at the ground end, and the second electrode F of every phase responds to the electric field of corresponding phase busbar A, and the voltage of the difference of the busbar A of every phase and the electric field strength of the second electrode F is after power circuit B handles, offer rechargeable battery H charging by diode I, offer the power supply of high-voltage signal testing circuit G simultaneously as high-voltage signal testing circuit G.
What deserves to be mentioned is that each phase structure of the present invention is not limited to the foregoing description, its phase structure can also be any one among above-mentioned three embodiment.For example among Fig. 4 each is exactly the structure that adopts above-mentioned three kinds of embodiment respectively mutually, therefore, of the present invention each can be any one of above-mentioned three kinds of structures mutually.
Characteristics such as seen, the present invention adopts the principle of high-voltage system electric field induction to carry out voltage measurement, realizes the intelligent measure of the high-voltage system voltage of electric field induction signal wireless emission, has safety, and is reliable, and volume is little, and cost is low, and is easy for installation.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (4)
1. high-voltage system electric field induction signal deteching circuit power supply, comprise busbar (A), first insulator (C), first electrode (D), second insulator (E), second electrode (F), power circuit (B), diode (I), rechargeable battery (H), high-voltage signal testing circuit (G), it is characterized in that: first insulator (C) of every phase places on the busbar (A), first electrode (D) places on first insulator (C), second insulator (E) places on first electrode (D), second electrode (F) places on second insulator (E), power circuit (B) places on the busbar (A), first electrode (D) is electrically connected at the input of power circuit (B), second electrode (F) is electrically connected at another input of power circuit (B), the anode of the cathode output end of power circuit (B) and diode (I), the positive pole of the negative electrode of diode (I) and rechargeable battery (H), high-voltage signal testing circuit (G) positive power source terminal joins, the negative pole of the cathode output end of power circuit (B) and rechargeable battery (H), high-voltage signal testing circuit (G) negative power end joins, the electric field of first electrode (D) of every phase and second electrode (F) the corresponding busbar mutually of induction (A), the voltage of the difference of the electric field strength of first electrode (D) of every phase and the electric field strength of second electrode (F) is after power circuit (B) is handled, offer rechargeable battery (H) charging by diode (I), offer the power supply of high-voltage signal testing circuit (G) simultaneously as high-voltage signal testing circuit (G).
2. high-voltage system electric field induction signal deteching circuit power supply according to claim 1 is characterized in that: described busbar (A) is three-phase conducting wire row.
3. high-voltage system electric field induction signal deteching circuit power supply according to claim 1 and 2 is characterized in that: first electrode (D) of every phase directly places on the busbar (A), saves first insulator (C).
4. high-voltage system electric field induction signal deteching circuit power supply according to claim 1 and 2, it is characterized in that: the busbar of every phase (A) is as electrode, save first insulator (C) and first electrode (D), it comprises busbar (A), second insulator (E), second electrode (F), power circuit (B), diode (I), rechargeable battery (H), high-voltage signal testing circuit (G), every phase second insulator (E) places on the busbar (A), second electrode (F) places on second insulator (E), power circuit (B) places on the busbar (A), busbar (A) is electrically connected at the input of power circuit (B), second electrode (F) is electrically connected at another input of power circuit (B), the anode of the cathode output end of power circuit (B) and diode (I), the positive pole of the negative electrode of diode (I) and rechargeable battery (H), high-voltage signal testing circuit (G) positive power source terminal joins, the negative pole of the cathode output end of power circuit (B) and rechargeable battery (H), high-voltage signal testing circuit (G) negative power end joins, the electric field of first electrode (D) of every phase and second electrode (F) the corresponding busbar mutually of induction (A), the voltage of the difference of the electric field strength of first electrode (D) of every phase and the electric field strength of second electrode (F) is after power circuit (B) is handled, offer rechargeable battery (H) charging by diode (I), offer the power supply of high-voltage signal testing circuit (G) simultaneously as high-voltage signal testing circuit (G).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010295744 CN101951002A (en) | 2010-09-29 | 2010-09-29 | Electric field induction type signal detection circuit power supply of high-voltage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010295744 CN101951002A (en) | 2010-09-29 | 2010-09-29 | Electric field induction type signal detection circuit power supply of high-voltage system |
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| CN101951002A true CN101951002A (en) | 2011-01-19 |
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| CN 201010295744 Pending CN101951002A (en) | 2010-09-29 | 2010-09-29 | Electric field induction type signal detection circuit power supply of high-voltage system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380725B1 (en) * | 2000-02-15 | 2002-04-30 | Nxtphase Corporation | Voltage sensor |
| CN101515001A (en) * | 2009-04-07 | 2009-08-26 | 福州博峰智能电器有限公司 | Electric field induction intelligent instrument for measuring high voltage |
| CN201854050U (en) * | 2010-09-29 | 2011-06-01 | 福州大学 | Power supply of electric field induction type signal detection circuit of high-voltage system |
-
2010
- 2010-09-29 CN CN 201010295744 patent/CN101951002A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380725B1 (en) * | 2000-02-15 | 2002-04-30 | Nxtphase Corporation | Voltage sensor |
| CN1418312A (en) * | 2000-02-15 | 2003-05-14 | 尼克斯特法斯公司 | Voltage sensor |
| CN101515001A (en) * | 2009-04-07 | 2009-08-26 | 福州博峰智能电器有限公司 | Electric field induction intelligent instrument for measuring high voltage |
| CN201854050U (en) * | 2010-09-29 | 2011-06-01 | 福州大学 | Power supply of electric field induction type signal detection circuit of high-voltage system |
Non-Patent Citations (1)
| Title |
|---|
| 《电子测量与仪器学报》 20051231 林荣文等 一种新型高压电器在线温度监测方案 第19卷, 第6期 2 * |
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Application publication date: 20110119 |