CN101515001B - 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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- CN101515001B CN101515001B CN2009101114206A CN200910111420A CN101515001B CN 101515001 B CN101515001 B CN 101515001B CN 2009101114206 A CN2009101114206 A CN 2009101114206A CN 200910111420 A CN200910111420 A CN 200910111420A CN 101515001 B CN101515001 B CN 101515001B
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- 230000005684 electric field Effects 0.000 title claims abstract description 34
- 230000006698 induction Effects 0.000 title claims abstract description 18
- 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, heaviness; Cost is high, particularly can not non-cpntact measurement voltage, therefore; Reliability is not high, carries out the research of a large amount of optical voltage sensors in addition yet, like Liu Feng etc. 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 optical voltage sensor technology exists that is that all right, technical sophistication, and 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, realizes 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 objective of the invention is to realize like this, a kind of electric field induction intelligent instrument for measuring high voltage comprises 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), and electrode (D) places on the insulator (C), and 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), and electrode (D) is electrically connected at the input end of signal Processing and radio transmitter (B), and 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) be end on ground; 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 through signal Processing and radio transmitter (B), and wireless signal receives with processes and displays circuit (G) and receives the signal that each phase signals processing and radio transmitter (B) are 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 accompanying drawing and embodiment the present invention is done and to further describe.
As shown in Figure 1, a kind of electric field induction intelligent instrument for measuring high voltage comprises 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), and electrode (D) places on the insulator (C), and insulator (E) places on the electrode (D); Electrode (F) places on the insulator (E), and signal Processing and radio transmitter (B) place on the busbar (A), and 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 receive with processes and displays circuit (G) on ground end, the electrode of every phase (D) and electrode (F) are responded to the electric field of corresponding busbar mutually (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 through 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 handles, and obtains 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 corresponding electrode 1 of tested phase busbar 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 sent the electrode 1 and the electric field intensity signal of electrode 2 into signal Processing and radio transmitter greater than electrode 2 place's electric field intensity, and the signal after signal Processing and radio transmitter are handled and will be handled the voltage signal between the two is launched through 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, from figure, can know that 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, from figure, can know that 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), and electrode (F) places on the insulator (E), and 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), and wireless signal reception and processes and displays circuit (G) be end on ground, 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 through 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 handles, and obtains 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 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.
It is thus clear that the present invention 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, have safety, reliable, characteristics such as volume is little, and cost is low, and function is strong.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (4)
1. electric field induction intelligent instrument for measuring high voltage; Comprise that busbar (A), first insulator (C), first electrode (D), second insulator (E), second electrode (F), signal Processing and radio transmitter (B), wireless signal receive and processes and displays 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), and second electrode (F) places on second insulator (E), and signal Processing and radio transmitter (B) place on the busbar (A); First electrode (D) is electrically connected at the input end of signal Processing and radio transmitter (B); Second electrode (F) is electrically connected at another input end of signal Processing and radio transmitter (B), wireless signal receive with processes and displays circuit (G) on ground end, first electrode (D) of every phase and second electrode (F) are responded to the electric field of corresponding busbar mutually (A); The voltage signal of the difference of the electric field intensity of first electrode (D) of every phase and the electric field intensity of second electrode (F) is launched through 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 handles, and obtains 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: first electrode (D) of every phase directly places on the busbar (A), saves first 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 first insulator (C) and first electrode (D); It comprises that busbar (A), second insulator (E), second electrode (F), signal Processing and radio transmitter (B), wireless signal receive and processes and displays circuit (G); Every phase second insulator (E) places on the busbar (A), and second electrode (F) places on second insulator (E), and 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); Second electrode (F) is electrically connected at another input end of signal Processing and radio transmitter (B), and wireless signal reception and processes and displays circuit (G) be end on ground, the electric field of second electrode (F) the corresponding phase busbar of induction (A) of every phase; The busbar of every phase (A) is launched through signal Processing and radio transmitter (B) with the voltage signal of the difference of the electric field intensity of second 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 handles, and obtains each phase phase voltage and line voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101114206A CN101515001B (en) | 2009-04-07 | 2009-04-07 | Electric field induction intelligent instrument for measuring high voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101114206A CN101515001B (en) | 2009-04-07 | 2009-04-07 | Electric field induction intelligent instrument for measuring high voltage |
Publications (2)
| Publication Number | Publication Date |
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| CN101515001A CN101515001A (en) | 2009-08-26 |
| CN101515001B true CN101515001B (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101114206A Expired - Fee Related CN101515001B (en) | 2009-04-07 | 2009-04-07 | Electric field induction intelligent instrument for measuring high voltage |
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Families Citing this family (5)
| 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 |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2513108Y (en) * | 2001-12-08 | 2002-09-25 | 大连理工大学 | Capacity dividing electric field probe |
| CN1412567A (en) * | 2001-10-15 | 2003-04-23 | 张树华 | Capacitive divided voltage sensor |
-
2009
- 2009-04-07 CN CN2009101114206A patent/CN101515001B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412567A (en) * | 2001-10-15 | 2003-04-23 | 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 |
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| CN101515001A (en) | 2009-08-26 |
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