CN101515001A - Electric field induction intelligent instrument for measuring high voltage - Google Patents
Electric field induction intelligent instrument for measuring high voltage Download PDFInfo
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- CN101515001A CN101515001A CNA2009101114206A CN200910111420A CN101515001A CN 101515001 A CN101515001 A CN 101515001A CN A2009101114206 A CNA2009101114206 A CN A2009101114206A CN 200910111420 A CN200910111420 A CN 200910111420A CN 101515001 A CN101515001 A CN 101515001A
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- 230000005684 electric field Effects 0.000 title claims abstract description 35
- 230000006698 induction Effects 0.000 title claims abstract description 21
- 239000012212 insulator Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
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Abstract
The invention relates to an electric field induction intelligent instrument for measuring high voltage, comprising a conductive bar (A), an insulator (C), an electrode (D), an insulator (E) and an electrode (F), a signal processing and wireless transmitting circuit (B), and a wireless signal receiving and processing circuit (G). The voltage signal of the difference in electric field strength between the electrode (D) and the electrode (F) of each phase is transmitted by the signal processing and wireless transmitting circuit (B), the wireless signal receiving and processing circuit (G) receives and processes the signal transmitted from the signal processing and wireless transmitting circuit (B) of each phase, accordingly, phase voltage and line voltage of each phase can be obtained. The invention can intelligently measures the voltage of a high voltage system in a non-contact manner, and has advantages of safety, reliability, small volume, low cost, strong function, and the like.
Description
Technical field
The present invention relates to a kind of electric field induction intelligent instrument for measuring high voltage, belong to the high-voltage power field of instrumentation technology.
Background technology
So far high-voltage system voltage measuring instrument product mainly is to adopt electromagnetic potential transformer to add high-tension voltmeter, because the problem of High-Voltage Insulation, the volume of electromagnetic potential transformer is big, heavy, the cost height, particularly can not non-cpntact measurement voltage, therefore, reliability is not high, also carry out the research of a large amount of optical voltage sensors in addition, at " electrotechnics journal " paper that the 5th phase delivered in 2008 " research of optics high voltage potential transformer sensing head " or the like, it is ripe that the optical voltage sensor technology exists that is that all right, technical sophistication as Liu Feng etc., measuring accuracy is low, therefore shortcomings such as cost height, are applied so far.The high voltage measuring of high-voltage system is insoluble problem all the time.
Summary of the invention
The purpose of this invention is to provide a kind of electric field induction intelligent instrument for measuring high voltage, it adopts the principle of high-voltage system electric field induction to carry out voltage measurement, realize the intelligent measure of the high-voltage system voltage of electric field induction signal wireless emission, has safety, reliably, characteristics such as volume is little, and cost is low, and function is strong.
The object of the present invention is achieved like this, a kind of electric field induction intelligent instrument for measuring high voltage, comprise busbar (A), insulator (C), electrode (D), insulator (E), electrode (F), signal Processing and radio transmitter (B), wireless signal receives and processes and displays circuit (G), it is characterized in that: the insulator of every phase (C) places on the busbar (A), electrode (D) places on the insulator (C), insulator (E) places on the electrode (D), electrode (F) places on the insulator (E), signal Processing and radio transmitter (B) place on the busbar (A), electrode (D) is electrically connected at the input end of signal Processing and radio transmitter (B), electrode (F) is electrically connected at another input end of signal Processing and radio transmitter (B), wireless signal reception and processes and displays circuit (G) are at the ground end, the electric field of the electrode of every phase (D) and electrode (F) the corresponding busbar mutually of induction (A), the voltage signal of the difference of the electric field intensity of the electric field intensity of the electrode of every phase (D) and electrode (F) is launched by signal Processing and radio transmitter (B), wireless signal receives with processes and displays circuit (G) and receives the signal that each phase signals is handled and radio transmitter (B) is launched, and handle, obtain each phase phase voltage and line voltage.
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 synoptic diagram.
Fig. 3 is embodiments of the invention three synoptic diagram.
Fig. 4 is embodiments of the invention four synoptic diagram.
Embodiment
Below in conjunction with drawings and Examples the present invention is described further.
As shown in Figure 1, a kind of electric field induction intelligent instrument for measuring high voltage, comprise busbar (A), insulator (C), electrode (D), insulator (E), electrode (F), signal Processing and radio transmitter (B), wireless signal receives and processes and displays circuit (G), it is characterized in that: the insulator of every phase (C) places on the busbar (A), electrode (D) places on the insulator (C), insulator (E) places on the electrode (D), electrode (F) places on the insulator (E), signal Processing and radio transmitter (B) place on the busbar (A), electrode (D) is electrically connected at the input end of signal Processing and radio transmitter (B), electrode (F) is electrically connected at another input end of signal Processing and radio transmitter (B), wireless signal reception and processes and displays circuit (G) are at the ground end, the electric field of the electrode of every phase (D) and electrode (F) the corresponding busbar mutually of induction (A), the voltage signal of the difference of the electric field intensity of the electric field intensity of the electrode of every phase (D) and electrode (F) is launched by signal Processing and radio transmitter (B), wireless signal receives with processes and displays circuit (G) and receives the signal that each phase signals is handled and radio transmitter (B) is launched, and handle, obtain each phase phase voltage and line voltage.
At this, in the preferred embodiment of the present invention, described busbar (A) is the three-phase busbar.
When high-voltage system moves, the electrode 1 of tested phase busbar correspondence is with in electrode 2 is in the electric field of this corresponding tested busbar mutually respectively, but electrode 1 is different with electrode 2 place's electric field intensity, electrode 1 place's electric field intensity is greater than electrode 2 place's electric field intensity, the electrode 1 and the electric field intensity signal of electrode 2 are sent into signal Processing and radio transmitter, signal after signal Processing and radio transmitter are handled and will be handled the voltage signal between the two is launched by the wireless transmit device, the wireless signal reception receives with the processes and displays circuit and transmits, and obtains each phase phase voltage and line magnitude of voltage through processes and displays.
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 electrode of every phase (D) can directly place on the busbar (A), saves insulator (C).
Fig. 3 is the structural representation of preferred embodiment 3 of the present invention, as we know from the figure, the busbar of its every phase (A) is as electrode, save insulator (C) and electrode (D), it comprises busbar (A), insulator (E), electrode (F), signal Processing and radio transmitter (B), wireless signal receives and processes and displays circuit (G), every phase insulator (E) places on the busbar (A), electrode (F) places on the insulator (E), signal Processing and radio transmitter (B) place on the busbar (A), busbar (A) is electrically connected at the input end of signal Processing and radio transmitter (B), electrode (F) is electrically connected at another input end of signal Processing and radio transmitter (B), wireless signal reception and processes and displays circuit (G) are at the ground end, the electric field of the electrode of every phase (F) the corresponding phase busbar of induction (A), the busbar of every phase (A) is launched by signal Processing and radio transmitter (B) with the voltage signal of the difference of the electric field intensity of electrode (F), wireless signal receives with processes and displays circuit (G) and receives the signal that each phase signals is handled and radio transmitter (B) is launched, and handle, obtain each phase phase voltage and line voltage.
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 function is strong.
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 (5)
1. electric field induction intelligent instrument for measuring high voltage, comprise busbar (A), insulator (C), electrode (D), insulator (E), electrode (F), signal Processing and radio transmitter (B), wireless signal receives and processes and displays circuit (G), it is characterized in that: the insulator of every phase (C) places on the busbar (A), electrode (D) places on the insulator (C), insulator (E) places on the electrode (D), electrode (F) places on the insulator (E), signal Processing and radio transmitter (B) place on the busbar (A), electrode (D) is electrically connected at the input end of signal Processing and radio transmitter (B), electrode (F) is electrically connected at another input end of signal Processing and radio transmitter (B), wireless signal reception and processes and displays circuit (G) are at the ground end, the electric field of the electrode of every phase (D) and electrode (F) the corresponding busbar mutually of induction (A), the voltage signal of the difference of the electric field intensity of the electric field intensity of the electrode of every phase (D) and electrode (F) is launched by signal Processing and radio transmitter (B), wireless signal receives with processes and displays circuit (G) and receives the signal that each phase signals is handled and radio transmitter (B) is launched, and handle, obtain each phase phase voltage and line voltage.
2. electric field induction intelligent instrument for measuring high voltage according to claim 1 is characterized in that: described busbar (A) is three-phase conducting wire row.
3. electric field induction intelligent instrument for measuring high voltage according to claim 1 and 2 is characterized in that: the electrode of every phase (D) directly places on the busbar (A), saves insulator (C).
4. electric field induction intelligent instrument for measuring high voltage according to claim 1 and 2, it is characterized in that: the busbar of every phase (A) is as electrode, save insulator (C) and electrode (D), it comprises busbar (A), insulator (E), electrode (F), signal Processing and radio transmitter (B), wireless signal receives and processes and displays circuit (G), every phase insulator (E) places on the busbar (A), electrode (F) places on the insulator (E), signal Processing and radio transmitter (B) place on the busbar (A), busbar (A) is electrically connected at the input end of signal Processing and radio transmitter (B), electrode (F) is electrically connected at another input end of signal Processing and radio transmitter (B), wireless signal reception and processes and displays circuit (G) are at the ground end, the electric field of the electrode of every phase (F) the corresponding phase busbar of induction (A), the busbar of every phase (A) is launched by signal Processing and radio transmitter (B) with the voltage signal of the difference of the electric field intensity of electrode (F), wireless signal receives with processes and displays circuit (G) and receives the signal that each phase signals is handled and radio transmitter (B) is launched, and handle, obtain each phase phase voltage and line voltage.
5. according to claim 1,2,3 or 4 described electric field induction intelligent instrument for measuring high voltage, it is characterized in that: the structure of described each phase can be any one of said structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009101114206A CN101515001B (en) | 2009-04-07 | 2009-04-07 | Electric field induction intelligent instrument for measuring high voltage |
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CN2009101114206A CN101515001B (en) | 2009-04-07 | 2009-04-07 | Electric field induction intelligent instrument for measuring high voltage |
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CN101515001A true CN101515001A (en) | 2009-08-26 |
CN101515001B CN101515001B (en) | 2012-02-15 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101951002A (en) * | 2010-09-29 | 2011-01-19 | 福州大学 | Electric field induction type signal detection circuit power supply of high-voltage system |
CN101852823B (en) * | 2010-02-08 | 2012-04-18 | 广东电网公司电力科学研究院 | Non-contact type voltage measuring device and non-contact type voltage measuring method |
CN104297600A (en) * | 2014-10-21 | 2015-01-21 | 国家电网公司 | Transformer voltage wireless measurement device |
CN104502689A (en) * | 2015-01-12 | 2015-04-08 | 谭成忠 | Current sensor without conductor connection |
CN113449324A (en) * | 2021-07-23 | 2021-09-28 | 福州博峰智能电器有限公司 | Electric field induction type high-voltage intelligent voltage measuring instrument |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1162709C (en) * | 2001-10-15 | 2004-08-18 | 张树华 | Capacitive divided voltage sensor |
CN2513108Y (en) * | 2001-12-08 | 2002-09-25 | 大连理工大学 | Capacity dividing electric field probe |
-
2009
- 2009-04-07 CN CN2009101114206A patent/CN101515001B/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101852823B (en) * | 2010-02-08 | 2012-04-18 | 广东电网公司电力科学研究院 | Non-contact type voltage measuring device and non-contact type voltage measuring method |
CN101951002A (en) * | 2010-09-29 | 2011-01-19 | 福州大学 | Electric field induction type signal detection circuit power supply of high-voltage system |
CN104297600A (en) * | 2014-10-21 | 2015-01-21 | 国家电网公司 | Transformer voltage wireless measurement device |
CN104502689A (en) * | 2015-01-12 | 2015-04-08 | 谭成忠 | Current sensor without conductor connection |
CN113449324A (en) * | 2021-07-23 | 2021-09-28 | 福州博峰智能电器有限公司 | Electric field induction type high-voltage intelligent voltage measuring instrument |
CN113449324B (en) * | 2021-07-23 | 2022-05-17 | 福州博峰智能电器有限公司 | Electric field induction type high-voltage intelligent voltage measuring instrument |
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CN101515001B (en) | 2012-02-15 |
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