CN201535805U - Live detection system for direct-current insulators of ultrahigh-voltage lines - Google Patents
Live detection system for direct-current insulators of ultrahigh-voltage lines Download PDFInfo
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- CN201535805U CN201535805U CN2009202283103U CN200920228310U CN201535805U CN 201535805 U CN201535805 U CN 201535805U CN 2009202283103 U CN2009202283103 U CN 2009202283103U CN 200920228310 U CN200920228310 U CN 200920228310U CN 201535805 U CN201535805 U CN 201535805U
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- 239000012212 insulator Substances 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 230000005684 electric field Effects 0.000 claims abstract description 51
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
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- 238000000034 method Methods 0.000 claims description 11
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- 238000005259 measurement Methods 0.000 abstract description 5
- 230000009194 climbing Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 3
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- 230000003321 amplification Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004171 remote diagnosis Methods 0.000 description 1
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Abstract
The utility model relates to a live detection system for direct-current insulators of ultrahigh-voltage lines, which consists of a harmonic electric field measuring instrument and a PDA palm computer; wireless transmission is adopted between the PDA palm computer and the harmonic electric field measuring instrument; the harmonic electric field measuring instrument comprises a capacitance type harmonic electric field sensor, a measuring circuit, a wireless communication circuit, a detection attachment and a handheld recorder analyzer, the capacitance type harmonic electric field sensor is coupled with a longitudinal harmonic electric field around an insulator, the acquired harmonic electric field signal is processed by a signal-conditioning circuit and then converted into a digital signal by an A/D sampler, and an MCU records and stores a sampling result into a Flash memory after receiving a measurement signal transmitted by a logic circuit; when a detection instrument passes by the skirt of the insulator, a trigger circuit is triggered, the logic circuit transmits the measurement signal, and a wireless communication module carries out remote communication between the harmonic electric field detection instrument and the handheld recorder analyzer. Since the system has a wireless detection data communication function, the detection instrument can be remotely controlled, real-time information exchange between a tower operator and a ground diagnosing operator is realized, and thereby frequent tower climbing is avoided.
Description
Technical field
The utility model relates to a kind of extra high voltage line D.C. isolation subband electro-detection instrument.
Background technology
The present HVDC (High Voltage Direct Current) transmission line electric pressure of China is all more than 500kV, the electric weight that transmits is huge, require very strict to security performance, and in similar geographical environment, all to do the time spent than ac high voltage even more serious for the metal termination of insulator corrosion and pollution level under the high direct voltage effect, the spoilage of insulator is also higher, and therefore, the charged detection technique of research super high voltage direct current electricity transmission line insulator is necessary.
At present, the research of insulator manufacturing, runnability aspect such as antifouling is mainly concentrated in the research of extra high voltage line D.C. isolation, for the fault correlation detection technology of insulator carry out deep not enough.Domestic the disclosing in the document scope of reporting of examine, though the charged checkout equipment of high-voltage transmission line insulator electric field method has bibliographical information, but mainly concentrate on the charged detection technique of transmission line of alternation current insulator, do not see the collection that relates to harmonic electric field, and have the bibliographical information of detector of extra high voltage line D.C. isolation of radio communication function.
The utility model content
The purpose of this utility model is to overcome the prior art deficiency, provide a kind of extra high voltage line insulator charged detection system, it is used for the insulation status of insulator on on-the-spot charged detection ± 500kV and the above grade DC power transmission line, can discern the interior insulation conductive defect and the null value porcelain insulator of composite insulator.
For achieving the above object, the utility model proposes technical scheme is:
The charged detection system of a kind of high-tension insulator of the utility model comprises hardware system device, software systems and related accessories.Described hardware system device is made up of harmonic electric field measuring instrument 1, PDA palm PC 2, described harmonic electric field measuring instrument 1 is by condenser type harmonic electric field sensor 3, metering circuit 4, and radio communication circuit 5, harmonic electric field detector 6 and hand-held recorder analyser 7 are formed; This device also comprises signal conditioning circuit 8, A/D sampling thief 9, microcontroller 10MCU, logical circuit 11, Flash storer 12 and trigger circuit 13 and action button 14; Adopt wireless transmission between PDA palm PC 2 and the harmonic electric field measuring instrument 1; Described software systems comprise palm PC program and two parts of PC program; Vertical harmonic electric field around the described condenser type harmonic electric field sensor 3 coupling insulators, the harmonic electric field signal that obtains is converted into digital signal by 9 samplings of A/D sampling thief after signal conditioning circuit 8 is handled, microcontroller (MCU) 10 is noted sampled result and is stored Flash storer 12 into after receiving the measuring-signal that logical circuit sends; When detector process insulator full skirt, trigger circuit 13 are triggered, logical circuit 11 sends measuring-signal, the telecommunication that radio communication circuit 5 is realized between harmonic electric field detector 6 and the hand-held recorder analyser 7, and described logical circuit 11 carries out control operation by action button 14.
Radio communication circuit described in the utility model adopts the nRF401 chip, and circuit working is supported TTL, RS232 level at 433MHz, has 200 meters transmission range.
Palm PC program described in the utility model is used for on-the-spot demonstration, the storage that detects data, and the vertical harmonic electric field detection curve of formation insulator carries out fault judgement for on-the-spot detection technique personnel; Described PC program is finished browsing data, management and reporting printing.
PDA palm PC program part detection data and PC software data are shared in the software systems described in the utility model.
The utility model is based on the exploitation of harmonic electric field method principle.The harmonic electric field method is to judge the insulation fault of insulator according to the shape of insulator longitudinal electric field distribution curve.The harmonic electric field law theory shows that it is smooth continuously that the sub-electric field of good insulation vertically distributes along insulator, when the insulator defectiveness, Electric Field Distribution will distort, therefore, the standard electric curve of field distribution by with zero defect the time is compared, and can find the defective of insulator.
The utility model is used for the insulation status of insulator on on-the-spot charged detection+500kV and above each electric pressure DC power transmission line, can discern the interior insulation conductive defect and the null value porcelain insulator of composite insulator.
The utility model can be realized following function:
1, harmonic electric field method charged detection extra high voltage line porcelain insulator and composite insulator;
2, have and detect the data radio communication function, can realize the Long-distance Control of detector, and realize the real-time information exchange between the operating personnel and ground diagnostic personnel on the tower, avoided repeatedly stepping on tower;
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is a radio communication circuit schematic diagram described in the utility model.
Fig. 3 is an electric field measuring apparatus circuit diagram described in the utility model.
Mark among the figure: 1-harmonic electric field measuring instrument; The 2-PDA palm PC; 3-condenser type harmonic electric field sensor; The 4-metering circuit; The 5-radio communication circuit; 6-harmonic electric field detector; 7-hand-held recorder analyser; The 8-signal conditioning circuit; The 9-A/D sampling thief; The 10-microcontroller; The 11-logical circuit; The 12-Flash storer; The 13-trigger circuit; The 14-action button.
Embodiment
The charged detection system of a kind of high-tension insulator of the utility model comprises hardware system device, software systems and related accessories composition, as shown in Figure 1.Described hardware system device comprises harmonic electric field measuring instrument 1, PDA palm PC 2, and wherein PDA palm PC 2 and harmonic electric field measuring instrument 1 are connected by null modem cable; Described software systems comprise palm PC program and two parts of PC program; Described harmonic electric field measuring instrument 1 is by arc condenser type harmonic electric field sensor 3, metering circuit 4, and radio communication circuit 5, harmonic electric field detector 6 and hand-held recorder analyser 7 are formed; As shown in Figure 2, the longitudinal electric field around the arc condenser type harmonic electric field sensor 3 coupling insulators wherein, the electric field signal that obtains is sampled through A/D sampling thief 9 after signal conditioning circuit 8 is handled and is converted into digital signal, and MCU10 notes the sampled result of A/D sampling and stores F1ash storer 12 into after receiving the measuring-signal that logical circuit 11 sends; When detector 6 process insulator full skirts, sampling trigger circuit 13 are triggered, and logical circuit 11 sends measuring-signal.
Described in addition microcontroller 10 has also comprised data processing unit, instruction process unit; Described signal conditioning circuit 8 is through the process of prime amplification, bandpass filtering, half-wave rectification and DC filtering, carry out the data command exchange by radio communication circuit 5 with communication between electric field detector 6 and the PDA palm PC 2, described PDA palm PC 2 is made up of data processing unit, instruction generation unit, man-machine interaction excuse, data storage, data download interface and data presentation interface.
Electric field measuring apparatus circuit diagram described in the utility model as shown in Figure 3.
Palm PC program described in the utility model is used for on-the-spot demonstration, the storage that detects data, and formation insulator longitudinal electric field detection curve carries out fault judgement for on-the-spot detection technique personnel; Described PC program is finished browsing data, management and reporting printing.
PDA palm PC program part detection data and PC software data are shared in the software systems described in the utility model.
Operation steps of the present utility model is:
The first step: assemble detection system.
Second step: open electric field detection probe power switch.The bright connection of red power light moment after the switch opens, green indicating lamp dodges once, buzzer call one, and self check finishes, and probe enters holding state.
The 3rd step: press the measurement button, the green light pilot lamp is bright, buzzer call one, and probe enters the measurement waiting status, can begin to measure.
The 4th step: with insulating bar probe is put into insulator chain one end, in put procedure, does not trigger the circuit of photoelectric tube.
The 5th the step: will pop one's head in along the insulator axis be close to insulator surface at the uniform velocity smooth sliding to the other end.In sliding process, be attended by buzzer call sound.
The 6th step: probe is fetched, pressed the measurement button, promptly finish this time detection.Probe is preserved data automatically, and returns holding state.After data were preserved successfully, hummer can pipe, and green indicating lamp extinguishes.
The 7th step: operation " para tape electro-detection " application software, realization detects the wireless transmission and the remote diagnosis of data
The 8th step: repeated for the 3rd～6 step, detect other insulator.
Claims (4)
1. extra high voltage line D.C. isolation subband electric detection means, it is characterized in that, comprise: harmonic electric field measuring instrument (1), PDA palm PC (2), described harmonic electric field measuring instrument (1) is by condenser type harmonic electric field sensor (3), metering circuit (4), and radio communication circuit (5), harmonic electric field detector (6) and hand-held recorder analyser (7) are formed; Described device also comprises signal conditioning circuit (8), A/D sampling thief (9), microcontroller (10), logical circuit (11), Flash storer (12) and trigger circuit (13) and action button (14);
Vertical harmonic electric field around described condenser type harmonic electric field sensor (3) the coupling insulator, the harmonic electric field signal that obtains is converted into digital signal by A/D sampling thief (9) sampling after signal conditioning circuit (8) is handled, microcontroller (10) is noted sampled result and is stored Flash storer (12) into after receiving the measuring-signal that logical circuit sends; When detector process insulator full skirt, trigger circuit (13) are triggered, logical circuit (11) sends measuring-signal, radio communication circuit (5) is realized the telecommunication between harmonic electric field detector (6) and the hand-held recorder analyser (7), and described logical circuit (11) carries out control operation by action button (14).
2. extra high voltage line D.C. isolation subband electric detection means as claimed in claim 1 is characterized in that, adopts wireless transmission between described PDA palm PC and the harmonic electric field measuring instrument.
3. extra high voltage line D.C. isolation subband electric detection means as claimed in claim 2 is characterized in that: described microcontroller (10) adopts the CygnalF330 processor chips.
4. extra high voltage line D.C. isolation subband electric detection means as claimed in claim 1 or 2 is characterized in that: described radio communication circuit (5) adopts the nRF401 chip, and circuit working is supported TTL, RS232 level at 433MHz, has 200 meters transmission range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202283103U CN201535805U (en) | 2009-09-23 | 2009-09-23 | Live detection system for direct-current insulators of ultrahigh-voltage lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202283103U CN201535805U (en) | 2009-09-23 | 2009-09-23 | Live detection system for direct-current insulators of ultrahigh-voltage lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535805U true CN201535805U (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202283103U Expired - Lifetime CN201535805U (en) | 2009-09-23 | 2009-09-23 | Live detection system for direct-current insulators of ultrahigh-voltage lines |
Country Status (1)
| Country | Link |
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| CN (1) | CN201535805U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158586A (en) * | 2015-09-11 | 2015-12-16 | 兰州空间技术物理研究所 | Active space electric field detection sensor built-in circuit |
| CN105403815A (en) * | 2015-10-27 | 2016-03-16 | 沈阳工程学院 | Insulator live detection system and method based on wireless ad hoc network communication |
| CN106168639A (en) * | 2016-08-05 | 2016-11-30 | 佛山市威格特电气设备有限公司 | High voltage power frequence electric field detecting system based on Bluetooth communication and method |
| CN106226665A (en) * | 2016-08-30 | 2016-12-14 | 武汉科迪奥电力科技有限公司 | High-voltage transmission line insulator distributed electric field detector and detecting system |
| CN106707122A (en) * | 2016-12-30 | 2017-05-24 | 武汉市欧睿科技有限公司 | Insulator detector |
| CN110940893A (en) * | 2019-12-13 | 2020-03-31 | 西安锐驰电器有限公司 | DC line fault detection system and method |
-
2009
- 2009-09-23 CN CN2009202283103U patent/CN201535805U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158586A (en) * | 2015-09-11 | 2015-12-16 | 兰州空间技术物理研究所 | Active space electric field detection sensor built-in circuit |
| CN105403815A (en) * | 2015-10-27 | 2016-03-16 | 沈阳工程学院 | Insulator live detection system and method based on wireless ad hoc network communication |
| CN106168639A (en) * | 2016-08-05 | 2016-11-30 | 佛山市威格特电气设备有限公司 | High voltage power frequence electric field detecting system based on Bluetooth communication and method |
| CN106226665A (en) * | 2016-08-30 | 2016-12-14 | 武汉科迪奥电力科技有限公司 | High-voltage transmission line insulator distributed electric field detector and detecting system |
| CN106707122A (en) * | 2016-12-30 | 2017-05-24 | 武汉市欧睿科技有限公司 | Insulator detector |
| CN110940893A (en) * | 2019-12-13 | 2020-03-31 | 西安锐驰电器有限公司 | DC line fault detection system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUPER HIGH VOLTAGE ELECTRIC SCIENCE AND TECHNOLOGY |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tu Min Inventor after: He Yaowen Inventor after: Du Yong Inventor after: Yao Hong Inventor after: Shen Xiaojun Inventor before: Shen Xiaojun Inventor before: Yao Hong Inventor before: Wang Qiangqiang Inventor before: Liu Yadong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHEN XIAOJUN YAO HONG WANG QIANGQIANG LIU YADONG TO: TU MIN HE YAOWEN DU YONG YAO HONG SHEN XIAOJUN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101213 Address after: 430070 Hubei city of Wuhan province Xiongchu Road No. 229 building four B zone Chunlin court room 2203 Co-patentee after: Hubei Super Power & Ultrahigh Pressure Electric Power Technology Development Co., Ltd. Patentee after: Wuhan Power Tech Co., Ltd. Address before: 430070 Hubei city of Wuhan province Xiongchu Road No. 229 building four B zone Chunlin court room 2203 Patentee before: Wuhan Power Tech Co., Ltd. |
|
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tu Ming Inventor after: He Yaowen Inventor after: Du Yong Inventor after: Yao Hong Inventor after: Shen Xiaojun Inventor before: Tu Min Inventor before: He Yaowen Inventor before: Du Yong Inventor before: Yao Hong Inventor before: Shen Xiaojun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: TU MIN HE YAOWEN DU YONG YAO HONG SHEN XIAOJUN TO: TU MING HE YAOWEN DU YONG YAO HONG SHEN XIAOJUN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20190108 Address after: 430000 Block A, Unit 22 and Room 3 of Chunlin Courtyard Complex Building, 229-1 Xiongchu Street, Hongshan District, Wuhan City, Hubei Province Co-patentee after: State Grid Corporation of China Patentee after: Wuhan Power Tech Co., Ltd. Co-patentee after: Hubei Electric Power Co., Ltd. maintenance company Co-patentee after: Hubei Chaoneng Electric Power Co., Ltd. Address before: 430070 Room 2203, Four Blocks B, Chunlin Courtyard, 229 Xiongchu Avenue, Wuhan City, Hubei Province Co-patentee before: Hubei Super Power & Ultrahigh Pressure Electric Power Technology Development Co., Ltd. Patentee before: Wuhan Power Tech Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100728 |
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| CX01 | Expiry of patent term |