CN203773010U - Partial discharge on-line monitoring instrument based on switch cabinet charge indicator - Google Patents
Partial discharge on-line monitoring instrument based on switch cabinet charge indicator Download PDFInfo
- Publication number
- CN203773010U CN203773010U CN201420095575.1U CN201420095575U CN203773010U CN 203773010 U CN203773010 U CN 203773010U CN 201420095575 U CN201420095575 U CN 201420095575U CN 203773010 U CN203773010 U CN 203773010U
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- switch cabinet
- circuit
- measuring instrument
- display device
- partial discharge
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- 238000012544 monitoring process Methods 0.000 title abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses a partial discharge on-line monitoring instrument based on a switch cabinet charge indicator. The monitoring instrument comprises an instrument case and an integrated circuit unit inside the instrument case, and the integrated circuit nit comprises a central processor, and a partial discharge signal amplification circuit, a partial discharge signal processing circuit, a discharge indicating function circuit, a liquid crystal display circuit, an over voltage protection circuit, a failure warning circuit and a network communication circuit, which are connected with the central processor. The monitoring instrument can perform voltage monitoring and partial discharge monitoring on a switch cabinet, and has high practical application values and popularization standards.
Description
Technical field
The utility model relates to on-line monitoring instrument, relates more specifically to a kind of office based on switch cabinet electrified display device and is placed on line measuring instrument.
Background technology
Charged display device is generally arranged on inlet wire bus, isolating switch, main transformer, switch cubicle, GIS combined electrical apparatus and other need to show the place whether high pressure is charged, prevents electric misoperation.Charged display device is simple in structure, a cheap indispensable device that has become switch cubicle at present.PD meter is fast-developing in the last few years a kind of electric test instrument, and PD meter is applicable to the partial discharge quantity test of the various high voltage electric equipments such as motor, transformer, mutual inductor, cable, sleeve pipe, electric capacitor, high-voltage switch gear, Zinc-Oxide Arrester.Switch cabinet partial discharge monitoring instrument also has some application, but the general volume of this class PD meter is larger, expensive, is difficult to realize large scale application.And adopt the mode of patrolling and examining to be difficult to meet the requirement of intelligent grid for switch cubicle Real-Time Monitoring.Therefore, need to provide a kind of novel on-line monitoring instrument.
Utility model content
First technical matters to be solved in the utility model is to provide a kind of office based on switch cabinet electrified display device and is placed on line measuring instrument.
For solving above-mentioned first technical matters, the utility model adopts following technical proposals:
Office based on switch cabinet electrified display device is placed on line measuring instrument and comprises: the integrated circuit unit in meter case and shell, described integrated circuit unit comprises central processing unit and connected Partial discharge signal amplifying circuit, Partial discharge signal treatment circuit, charged Presentation Function circuit, liquid crystal display circuit, excess voltage protection, failure alarm circuit and network communications circuits.
The front panel of described meter case is provided with LCDs, nuclear phase hole and action button.
The rear panel of described meter case is provided with for the connection terminal of butt coupling capacitive transducer and the network communication interface of output signal.
Described liquid crystal display circuit is connected with described LCDs.
Described connection terminal is connected with the coupling capacitance in high-tension switch cabinet.
In described LCDs, be provided with the voltage sign for the charged situation of display switch cabinet three-phase supply.
In described LCDs, with pC value demonstration office high-volume, sensitivity is 1pC, for the built-in electrical insulation state of display switch cabinet.
The beneficial effects of the utility model are as follows:
(1) proposed charged display device to put with office the theory that measuring instrument combines together.
(2) cost of monitoring is put in reduction office greatly, can promote the standard configuration that becomes switch cubicle.
(3) on liquid crystal display, show electriferous state simultaneously and show office's value of putting with pC value.
(4) this instrument possesses the blocking function of electrification display, and not only whether demonstration is charged, also can judge for switch cubicle no-voltage, under-voltage, normal voltage, superpotential, self-inspection fault.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Figure 1 shows that the structural representation that is placed on line measuring instrument based on the office of switch cabinet electrified display device;
Figure 2 shows that the office based on switch cabinet electrified display device is placed on line measuring instrument application implementation illustration;
Figure 3 shows that internal integrated circuit cellular construction schematic diagram.
Embodiment
In order to be illustrated more clearly in the utility model, below in conjunction with preferred embodiments and drawings, the utility model is described further.Parts similar in accompanying drawing represent with identical Reference numeral.It will be appreciated by those skilled in the art that specifically described content is illustrative and nonrestrictive below, should not limit protection domain of the present utility model with this.
Be illustrated in figure 1 the structural representation that is placed on line measuring instrument based on the office of switch cabinet electrified display device, this measuring instrument 1 comprises shell 2, internal integrated circuit plate 3, LCDs 4, nuclear phase hole 5, action button 6, connection terminal 7, network communication interface 8.Described shell 2 adopts insulating material cast to form, good looking appearance, and topological design is reasonable.
Internal integrated circuit unit 3 is made up of central processing unit and connected Partial discharge signal amplifying circuit, Partial discharge signal treatment circuit, charged Presentation Function circuit, liquid crystal display circuit, excess voltage protection, failure alarm circuit and network communications circuits.As shown in Figure 3.Wherein central processing unit adopts single-chip microcomputer as core processor; Partial discharge signal amplifying circuit, is amplified by integrated operational amplifier the high frequency Partial discharge signal collecting; Partial discharge signal treatment circuit carries out digitized processing in conjunction with analog-to-digital conversion chip to the Partial discharge signal after amplifying; Charged Presentation Function circuit is made up of resitstance voltage divider, modulus conversion chip etc., is the voltage for measuring switch cubicle, and this voltage signal is processed; Liquid crystal display circuit is made up of lcd drive chip, is used for driving the current charged situation drawn game of liquid crystal display display switch cabinet to put Real-Time Monitoring value.Excess voltage protection is made up of protective resistance, discharge tube, fast recovery diode, Transient Suppression Diode etc., is in the time that instrument moves, to run into the safety that can ensure other elements when superpotential is impacted; Failure alarm circuit is made up of Sheffer stroke gate module and relay, for judging that switch cubicle no-voltage, under-voltage, normal voltage, superpotential, the drawn game of self-inspection fault alarm put warning; Network communications circuits is made up of communication module and communication interface, for carrying out communication and networking with other equipment.
In LCDs 4, can show the electriferous state of high-tension switch cabinet three-phase bus, can show in real time office's value of putting of this high-tension switch cabinet, be presented on liquid crystal display with pC value, sensitivity is 1pC.
As shown in Figure 2, on front panel, there is nuclear phase hole 5, can connect nuclear phase instrument.Can connection standard Partial discharge signal generator 10, office's value of putting of liquid crystal screen display is calibrated.Can also connect hand-held type local-discharge logging 11, the waveform of putting of playing a game carries out deep analysis.Put and occur in above which of ABC three-phase by the electric discharge collection of illustrative plates office of analysis, can also judge electric discharge type according to collection of illustrative plates: internal discharge (occurring in insulator inside), surface-discharge (occurring in insulator surface), corona discharge (occurring in around the conductor being surrounded by gas).
Action button 6 on front panel is used for the office of setting and puts the parameters such as alarm threshold value.
Connection terminal 7 on rear panel is used for respectively butt coupling capacitive transducer, live locking signal output point, office and puts alerting signal output point, instrument fault output point.
Network communication interface 8 on rear panel can send out the office value of putting and the magnitude of voltage that collect by network communication interface, multiple instrument can network consisting, realizes the network savvy of intelligent grid.
This instrument has the function of display switch cabinet no-voltage, under-voltage, normal voltage, superpotential, self-inspection fault, also can connect the more capacitive transducer of high precision and degree of stability and form high-precision voltage divider, accurate display switch cabinet current voltage value in instrument.
Obviously; above-described embodiment of the present utility model is only for the utility model example is clearly described; and be not the restriction to embodiment of the present utility model; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here cannot give all embodiments exhaustively, everyly belong to apparent variation or the still row in protection domain of the present utility model of variation that the technical solution of the utility model extends out.
Claims (7)
1. the office based on switch cabinet electrified display device is placed on line measuring instrument; it is characterized in that; this measuring instrument comprises: the integrated circuit unit in meter case and shell, described integrated circuit unit comprises central processing unit and connected Partial discharge signal amplifying circuit, Partial discharge signal treatment circuit, charged Presentation Function circuit, liquid crystal display circuit, excess voltage protection, failure alarm circuit and network communications circuits.
2. the office based on switch cabinet electrified display device according to claim 1 is placed on line measuring instrument, it is characterized in that, the front panel of described meter case is provided with LCDs, nuclear phase hole and action button.
3. the office based on switch cabinet electrified display device according to claim 2 is placed on line measuring instrument, it is characterized in that, the rear panel of described meter case is provided with for the connection terminal of butt coupling capacitive transducer and the network communication interface of output signal.
4. the office based on switch cabinet electrified display device according to claim 3 is placed on line measuring instrument, it is characterized in that, described liquid crystal display circuit is connected with described LCDs.
5. the office based on switch cabinet electrified display device according to claim 3 is placed on line measuring instrument, it is characterized in that, described connection terminal is connected with the coupling capacitance in high-tension switch cabinet.
6. the office based on switch cabinet electrified display device according to claim 4 is placed on line measuring instrument, it is characterized in that, is provided with the voltage sign for the charged situation of display switch cabinet three-phase supply in described LCDs.
7. the office based on switch cabinet electrified display device according to claim 4 is placed on line measuring instrument, it is characterized in that, in described LCDs, with pC value demonstration office high-volume, sensitivity is 1pC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095575.1U CN203773010U (en) | 2014-03-04 | 2014-03-04 | Partial discharge on-line monitoring instrument based on switch cabinet charge indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095575.1U CN203773010U (en) | 2014-03-04 | 2014-03-04 | Partial discharge on-line monitoring instrument based on switch cabinet charge indicator |
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| CN203773010U true CN203773010U (en) | 2014-08-13 |
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| CN201420095575.1U Expired - Lifetime CN203773010U (en) | 2014-03-04 | 2014-03-04 | Partial discharge on-line monitoring instrument based on switch cabinet charge indicator |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502821A (en) * | 2014-12-29 | 2015-04-08 | 河海大学常州校区 | Capacitive sensor based on-line switch cabinet partial discharge monitoring system and method |
| CN104880652A (en) * | 2015-05-28 | 2015-09-02 | 深圳供电局有限公司 | Electrified partial discharge test system of switch cabinet and voltage signal extraction device thereof |
| CN105606666A (en) * | 2015-09-08 | 2016-05-25 | 海南电力技术研究院 | Gas sensor based portable switch cabinet partial discharge detection device and method |
| WO2016193507A1 (en) | 2015-06-05 | 2016-12-08 | Ormazabal Protection & Automation, S.L.U. | System for detecting and indicating partial discharges and voltage |
| CN107024619A (en) * | 2017-04-19 | 2017-08-08 | 国家电网公司 | A kind of switch cubicle phase checking device |
| CN108303595A (en) * | 2018-03-14 | 2018-07-20 | 云南电网有限责任公司电力科学研究院 | A kind of neutral point capacitive current testing methods based on alien frequencies phase current, apparatus and system |
| CN108333438A (en) * | 2018-03-14 | 2018-07-27 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108535528A (en) * | 2018-03-14 | 2018-09-14 | 云南电网有限责任公司电力科学研究院 | A kind of neutral point capacitive current testing methods based on frequency sweep method, apparatus and system |
| CN108548982A (en) * | 2018-03-14 | 2018-09-18 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108548983A (en) * | 2018-03-14 | 2018-09-18 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108646125A (en) * | 2018-03-14 | 2018-10-12 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108767789A (en) * | 2018-07-20 | 2018-11-06 | 河南森源电气股份有限公司 | Electrification shows concentration bus duct and electrical power trans mission/distribution system |
| CN110927540A (en) * | 2019-12-09 | 2020-03-27 | 国网上海市电力公司 | A C-GIS Intelligent Partial Discharge Monitoring Device Based on Live Display |
| CN114200257A (en) * | 2021-11-19 | 2022-03-18 | 山东电工配网科技发展有限公司 | A kind of ring net box local place on-line monitor |
| CN114660425A (en) * | 2022-03-29 | 2022-06-24 | 常州新电自动化设备有限公司 | Fault indication system with temperature measurement and partial discharge detection functions |
| CN114942370A (en) * | 2022-05-24 | 2022-08-26 | 珠海铠泽科技有限公司 | Method and device for replacing high-voltage live display and realizing partial discharge online monitoring |
-
2014
- 2014-03-04 CN CN201420095575.1U patent/CN203773010U/en not_active Expired - Lifetime
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502821A (en) * | 2014-12-29 | 2015-04-08 | 河海大学常州校区 | Capacitive sensor based on-line switch cabinet partial discharge monitoring system and method |
| CN104880652A (en) * | 2015-05-28 | 2015-09-02 | 深圳供电局有限公司 | Electrified partial discharge test system of switch cabinet and voltage signal extraction device thereof |
| CN104880652B (en) * | 2015-05-28 | 2018-06-22 | 深圳供电局有限公司 | Electrified partial discharge test system of switch cabinet and voltage signal extraction device thereof |
| WO2016193507A1 (en) | 2015-06-05 | 2016-12-08 | Ormazabal Protection & Automation, S.L.U. | System for detecting and indicating partial discharges and voltage |
| CN107810422A (en) * | 2015-06-05 | 2018-03-16 | 奥马萨瓦尔防护与自动化有限公司 | System for detecting and indicating shelf depreciation and voltage |
| US20180156857A1 (en) * | 2015-06-05 | 2018-06-07 | Ormazabal Protection & Automation, S.L.U. | System for detecting and indicating partial discharges and voltage |
| CN107810422B (en) * | 2015-06-05 | 2021-05-04 | 奥马萨瓦尔防护与自动化有限公司 | Systems for detecting and indicating partial discharges and voltages |
| US10520539B2 (en) | 2015-06-05 | 2019-12-31 | Ormazabal Protection & Automation, S.L.U. | System for detecting and indicating partial discharges and voltage in high-voltage electric power distribution systems |
| CN105606666A (en) * | 2015-09-08 | 2016-05-25 | 海南电力技术研究院 | Gas sensor based portable switch cabinet partial discharge detection device and method |
| CN105606666B (en) * | 2015-09-08 | 2018-06-22 | 海南电力技术研究院 | A kind of portable switch cabinet partial discharge detection device and method based on gas sensor |
| CN107024619A (en) * | 2017-04-19 | 2017-08-08 | 国家电网公司 | A kind of switch cubicle phase checking device |
| CN108646125A (en) * | 2018-03-14 | 2018-10-12 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108548983A (en) * | 2018-03-14 | 2018-09-18 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108535528A (en) * | 2018-03-14 | 2018-09-14 | 云南电网有限责任公司电力科学研究院 | A kind of neutral point capacitive current testing methods based on frequency sweep method, apparatus and system |
| CN108333438A (en) * | 2018-03-14 | 2018-07-27 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108646125B (en) * | 2018-03-14 | 2020-02-07 | 云南电网有限责任公司电力科学研究院 | Method, device and system for testing capacitance current |
| CN108548983B (en) * | 2018-03-14 | 2020-02-07 | 云南电网有限责任公司电力科学研究院 | Method, device and system for testing capacitance current |
| CN108548982B (en) * | 2018-03-14 | 2020-03-10 | 云南电网有限责任公司电力科学研究院 | Method, device and system for testing capacitive current |
| CN108548982A (en) * | 2018-03-14 | 2018-09-18 | 云南电网有限责任公司电力科学研究院 | A kind of test method of capacitance current, apparatus and system |
| CN108333438B (en) * | 2018-03-14 | 2020-04-10 | 云南电网有限责任公司电力科学研究院 | Method, device and system for testing capacitance current |
| CN108303595B (en) * | 2018-03-14 | 2020-04-10 | 云南电网有限责任公司电力科学研究院 | Capacitive current testing method, device and system based on pilot frequency phase current |
| CN108303595A (en) * | 2018-03-14 | 2018-07-20 | 云南电网有限责任公司电力科学研究院 | A kind of neutral point capacitive current testing methods based on alien frequencies phase current, apparatus and system |
| CN108767789B (en) * | 2018-07-20 | 2023-10-20 | 河南森源电气股份有限公司 | Live display intensive bus duct and power transmission and distribution system |
| CN108767789A (en) * | 2018-07-20 | 2018-11-06 | 河南森源电气股份有限公司 | Electrification shows concentration bus duct and electrical power trans mission/distribution system |
| CN110927540A (en) * | 2019-12-09 | 2020-03-27 | 国网上海市电力公司 | A C-GIS Intelligent Partial Discharge Monitoring Device Based on Live Display |
| CN114200257A (en) * | 2021-11-19 | 2022-03-18 | 山东电工配网科技发展有限公司 | A kind of ring net box local place on-line monitor |
| CN114660425A (en) * | 2022-03-29 | 2022-06-24 | 常州新电自动化设备有限公司 | Fault indication system with temperature measurement and partial discharge detection functions |
| CN114942370A (en) * | 2022-05-24 | 2022-08-26 | 珠海铠泽科技有限公司 | Method and device for replacing high-voltage live display and realizing partial discharge online monitoring |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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Owner name: GAO HAITAO Free format text: FORMER OWNER: GUOLIAN SICHUANG (BEIJING) TECHNOLOGY CO., LTD. Effective date: 20141224 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141224 Address after: 100018, room 4, building 1-401, building 181, Jing Jing home, Chaoyang District, Beijing Patentee after: Gao Haitao Address before: 100018, room 4, building 1-401, building 181, Jing Jing home, Chaoyang District, Beijing Patentee before: GLSC (BEIJING) TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200403 Address after: 100018, room 4, building 1-401, building 181, Jing Jing home, Chaoyang District, Beijing Patentee after: GLSC (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 100018, room 4, building 1-401, building 181, Jing Jing home, Chaoyang District, Beijing Patentee before: Gao Haitao |
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| CX01 | Expiry of patent term |