CN104410002B - A kind of intelligent solid insulation ring main unit - Google Patents
A kind of intelligent solid insulation ring main unit Download PDFInfo
- Publication number
- CN104410002B CN104410002B CN201410737212.8A CN201410737212A CN104410002B CN 104410002 B CN104410002 B CN 104410002B CN 201410737212 A CN201410737212 A CN 201410737212A CN 104410002 B CN104410002 B CN 104410002B
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- Prior art keywords
- temperature transducer
- signal
- temperature
- main unit
- ring main
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- 238000009413 insulation Methods 0.000 title claims abstract description 16
- 239000007787 solid Substances 0.000 title claims abstract description 15
- 230000008054 signal transmission Effects 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000003750 conditioning effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Locating Faults (AREA)
Abstract
A kind of intelligent solid insulation ring main unit, it is characterised in that including ring main unit body, temperature transducer group, mechanical property sensor, signal transmission system, background processor；The temperature transducer group, mechanical property sensor are arranged on ring main unit body, and the temperature transducer group, mechanical property sensor are connected with the signal input part of signal transmission system, and the signal output part of signal transmission system is connected with background processor；The temperature transducer group includes bus temperature transducer, isolation temperature transducer, breaker temperature transducer, cable temperature transducer；The bus temperature transducer is arranged on bus, the isolation temperature transducer is arranged in disconnecting switch, the breaker temperature transducer is installed on-board the circuit breaker, the cable temperature transducer is arranged on inlet-outlet line cable, and intelligent solid insulation ring main unit of the invention realizes safely and steadily running for solid insulation ring main unit.
Description
Technical field
The present invention relates to power domain, more particularly to a kind of ring main unit.
Background technology
The shortcoming of existing market like product is as follows：One is that the like product having does not have In-Line Temperature Measure System and mechanical property
On-line monitoring system, it is impossible to the running status of real time on-line monitoring solid insulation ring main unit, it is impossible to control failure in rudiment
In, prevent trouble before it happens；Two be that although the product having has In-Line Temperature Measure System and mechanical property on-line monitoring system, but simply single
Pure collection signal, is transferred to administrative staff, it is impossible to accomplish intelligentized on-line early warning, inline diagnosis, and three be many similar
The temperature measurement on-line of product uses wired, active technique, installs highly inconvenient, due to there is the presence of wire possibly even to draw
Play the phenomenon such as electric discharge, flashover, thus need badly it is a kind of correct judgement can be provided rapidly according to the signal collected, and make phase
The action answered, it is to avoid the reliable solid insulation ring main unit of the generation of accident.
The content of the invention
It is used to solve above-mentioned technical problem it is an object of the invention to provide a kind of intelligent solid insulation ring main unit.
A kind of intelligent solid insulation ring main unit, including ring main unit body, temperature transducer group, mechanical property sensor, letter
Number Transmission system, background processor；The temperature transducer group, mechanical property sensor are arranged on corresponding in ring main unit body
It is connected on part with the signal input part of signal transmission system, the signal output part and background process of the signal transmission system
Device is electrically connected, and the background processor is connected with ring main unit body.
The temperature transducer group includes bus temperature transducer, isolation temperature transducer, breaker temperature transducer, electricity
Cable temperature transducer；
The bus temperature transducer is arranged on bus, and the isolation temperature transducer is arranged in disconnecting switch, institute
State breaker temperature transducer to install on-board the circuit breaker, the cable temperature transducer is arranged on inlet-outlet line cable；
The mechanical property sensor is arranged on the end of breaker adjusting screw rod.
The temperature transducer group can choose wired temperature sensor or radio temperature sensor.
The mechanical property sensor selects angular displacement sensor.
Intelligence solid insulation ring main unit of the invention, the addition of In-Line Temperature Measure System can to the wire tie point of ring main unit and
The temperature conditions of contact carries out 24 hours unremitting on-line checkings, can pinpoint the problems at any time, process problem controls failure
In rudiment.Equally, mechanical property sensor is able to record that the conjunction each time point operation of breaker, analyzes relevant physical parameter,
And contrast judgement is made, administrative staff can recognize the running status of ring main unit by data.
Temperature measurement on-line sensor can use passive wireless technologies, and passive techniques need not use battery either to sense power taking,
It is completely non-maintaining, using more convenient.Wireless technology can be prevented because transmission is led with the wire transmission technology of abandoning tradition
The phenomenons such as electric discharge, flashover that line is caused.
Mechanical property sensor is directly connected with the end of breaker, without by part by secondary turn of the motion of breaker
Change, it is more directly reliable, install and also more facilitate, it is only necessary to fasten clamp nut.
The intelligent solid insulation ring main unit of the present invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is intelligent solid insulation ring main unit theory diagram；
Fig. 2 is intelligent solid insulation ring main unit structural representation.
Embodiment
As shown in figure 1, present invention intelligence solid insulation ring main unit, including ring main unit body 1, temperature transducer group, machinery
Property sensor 6, signal transmission system, background processor；The temperature transducer group, mechanical property sensor 6 are arranged on ring
On net cabinet body 1, the temperature transducer group, mechanical property sensor 6 are connected with the signal input part of signal transmission system,
The signal output part of signal transmission system is connected with background processor；
The temperature transducer group includes bus temperature transducer 2, isolation temperature transducer 3, breaker temperature transducer
4th, cable temperature transducer 5；
As shown in Fig. 2 bus temperature transducer 2 is arranged on bus 8, isolation temperature transducer 3 is arranged on disconnecting switch
On, breaker temperature transducer 4 is installed on-board the circuit breaker, and cable temperature transducer 5 is arranged on inlet-outlet line cable 7；It is mechanical special
Property sensor 6 be arranged on breaker adjusting screw rod end；Temperature transducer group can choose wired temperature sensor or nothing
Line temperature sensor, mechanical property sensor 6 selects angular displacement sensor；Bus temperature transducer 2 is used to monitor bus in real time
Temperature, isolated temperature sensor 3 be used in real time monitor disconnecting switch temperature, breaker temperature transducer 4 be used in real time supervise
The temperature of breaker is surveyed, cable temperature transducer 5 is used to monitor cable temperature in real time, and mechanical property sensor 6 is disconnected for monitoring
The on/off switch speed of road device, the excess of stroke, open away from critical mechanical properties parameters such as, springs.
Signal transmission system includes signal conditioning circuit, signaling conversion circuit, communication interface circuit, signal conditioning circuit
Signal input part connects temperature transducer group and mechanical property sensor group 6, the signal output part connection letter of signal conditioning circuit
The signal input part of number change-over circuit, the signal input part of the signal output part connection communication interface circuit of signaling conversion circuit.
Signal conditioning circuit gathers the signal of each sensor, is amplified for the analog signal collected, the processing, the number of delivering letters such as shaping
Sensing circuit carries out analog-to-digital conversion and is converted to data signal；Directly sent through necessary matching treatment for the data signal collected
Background processor processing, background processor generates final data result according to preset algorithm computing, result of calculation is connect by 485
The communication interface such as mouth or network transfers data to host computer.
Background processor uses the microcontroller of 32 Cortex M4 cores of the Kinetis series of Freescale companies
(model MK60DN512VLL10), integrates a variety of peripheral hardwares, analog-to-digital conversion such as high speed 16 ADC, DSP core, COMs
Precision is high, and control, computing capability are strong.
In practical application, temperature transducer group monitors various temperature changes in real time, and is translated into electric signal and passes through
Signal transmission system (can using wireless, wired etc.) passes to background processor, and background processor is by the temperature signal of collection
Contrast, which is made, with the historical signal in database judges (or contrasting judgement with design temperature maximum), once can beyond setting value
To be alarmed by background system, anticipation in advance and prevention ring main unit failure can directly control ring main unit body 1 to break when urgent
Electricity；
Temperature transducer group is from imported with original packaging/A grades of PT100 thin film thermoelectrics resistance, additional electroceramics (95 porcelain) insulating heat-conductive set
Pipe carries out armouring, additionally installation environment temperature and humidity sensing device assembly can be used to monitor looped network in real time in ring main unit body 1
The real time temperature and humidity of the internal environment of cabinet body 1, above-mentioned environment humidity sensor is from sensirion companies of Switzerland one
Change digital hygro sensor-SHT15.
Mechanical property sensor 6 is arranged on breaker adjusting screw rod end, real-time online detection open circuit by clamp nut
The each conjunction transfer of device is made, and monitoring on/off switch speed, the excess of stroke, opens away from critical mechanical properties parameters such as, springs, and by above physics
Parameter is converted into data signal and passes to background processor by signal transmission system (can be using wireless, wired etc.), equally
Historical signal in the signal and database of collection is made contrast and judged by background processor, when the data and data that monitor in real time
Historical signal in storehouse illustrates that breaker has a potential safety hazard in terms of mechanical property when not matching that, background processor according to
Pre-set programs make alarm, play a part of anticipation in advance and prevention ring main unit failure；
Mechanical property sensor uses angular displacement sensor, and the angular displacement sensor is using model S3806-2000BM's
0.5% precision can be reached in rotary encoder, useful range.
On/off switch tachometric survey：The pulse signal that the rotary encoder for being connected to breaker main shaft by measurement is exported, is obtained
Its number of pulses and pulse width variations situation are taken, with reference to precision clock inside background processor, divide-shut brake stroke and speed is calculated
Degree.
The excess of stroke：Switch is under gate-dividing state reaches certain numerical value when processor detects any signals all the way of 3 road CT
When, the difference that current PRF counts to umber of pulse when main shaft stops operating is recorded, by conversion, overrun distance is drawn.
Open away from：Switch is under "on" position, is less than certain numerical value when processor detects any signals all the way of 3 road CT
When, record the difference that current PRF counts to umber of pulse when main shaft stops operating, by conversion, draw out away from.
Spring：By detecting 3 road CT signal, record detects first time signal to the time of signal stabilization state, obtained
Go out bounce time.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (1)
1. a kind of intelligent solid insulation ring main unit, including ring main unit body (1), it is characterised in that also including temperature transducer group,
Mechanical property sensor (6), signal transmission system, background processor；The temperature transducer group, mechanical property sensor (6)
It is connected in ring main unit body (1) on corresponding part with the signal input part of signal transmission system, the signal is passed
The signal output part of defeated system is electrically connected with background processor, and the background processor is connected with ring main unit body (1)；
The temperature transducer group includes bus temperature transducer (2), isolation temperature transducer (3), breaker temperature transducer
(4), cable temperature transducer (5)；
The bus temperature transducer (2) is arranged on bus, and the isolation temperature transducer (3) is arranged in disconnecting switch,
The breaker temperature transducer (4) is installed on-board the circuit breaker, and the cable temperature transducer (5) is arranged on inlet-outlet line cable
On；
The mechanical property sensor (6) is arranged on the end of breaker adjusting screw rod；
Temperature transducer group chooses wired temperature sensor or radio temperature sensor；
The mechanical property sensor (6) selects angular displacement sensor；
Bus temperature transducer (2) is used for the temperature for monitoring bus in real time, and isolated temperature sensor (3) is used to monitor isolation in real time
The temperature of switch, breaker temperature transducer (4) is used for the temperature of real-time monitoring breaker, and cable temperature transducer (5) is used for
Monitoring cable temperature in real time, mechanical property sensor (6) is used for the on/off switch speed of monitoring breaker, the excess of stroke, opens and closed away from, spring
Key mechanical property parameter；
Signal transmission system includes signal conditioning circuit, signaling conversion circuit, communication interface circuit, the signal of signal conditioning circuit
Input connects temperature transducer group and mechanical property sensor (6), and the signal output part connection signal of signal conditioning circuit turns
Change the signal input part of circuit, the signal input part of the signal output part connection communication interface circuit of signaling conversion circuit；
Signal conditioning circuit gathers the signal of each sensor, is amplified for the analog signal collected, Shape correction, delivers letters
Number sensing circuit carries out analog-to-digital conversion and is converted to data signal；It is direct through necessary matching treatment for the data signal that collects
Background processor is sent to handle, background processor generates final data result according to preset algorithm computing, and result of calculation is passed through into 485
Interface or network communication interface transfer data to host computer；
Background processor is using the microcontroller of 32 Cortex M4 cores of the Kinetis series of Freescale companies, type
Number be MK60DN512VLL10；
Temperature transducer group monitors various temperature changes in real time, and is translated into electric signal and is transmitted by signal transmission system
To background processor, the historical signal in the temperature signal and database of collection is made contrast and judged by background processor, once
Alarmed beyond setting value by background system, anticipation in advance and prevention ring main unit failure can directly control ring main unit when urgent
Body (1) is powered off；
Temperature transducer group carries out armouring from imported with original packaging/A grades of PT100 thin film thermoelectrics resistance, additional porcelain insulation thermal conducting sleeve,
Additionally it is used to monitor the inner loop of ring main unit body 1 in real time in the interior installation environment temperature and humidity sensing device assembly of ring main unit body (1)
The real time temperature and humidity in border, above-mentioned environment humidity sensor select sensirion companies of Switzerland integrated digital humiture
Sensor-SHT15；
Mechanical property sensor (6) is arranged on breaker adjusting screw rod end, real-time online detection breaker by clamp nut
Each conjunction transfer is made, and monitoring on/off switch speed, the excess of stroke, opens away from, spring critical mechanical properties parameter, and by above physical parameter
It is converted into data signal and background processor is passed to by signal transmission system, same background processor is by the signal and number of collection
Contrast is made according to the historical signal in storehouse to judge, is said when the historical signal in the data and database monitored in real time is not matched that
There is potential safety hazard in bright breaker, background processor is made alarm according to pre-set programs, played in advance in terms of mechanical property
Anticipation and the effect of prevention ring main unit failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737212.8A CN104410002B (en) | 2014-12-05 | 2014-12-05 | A kind of intelligent solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737212.8A CN104410002B (en) | 2014-12-05 | 2014-12-05 | A kind of intelligent solid insulation ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104410002A CN104410002A (en) | 2015-03-11 |
| CN104410002B true CN104410002B (en) | 2017-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410737212.8A Active CN104410002B (en) | 2014-12-05 | 2014-12-05 | A kind of intelligent solid insulation ring main unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN104410002B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451191B (en) * | 2016-11-14 | 2019-06-14 | 国家电网公司 | an inflatable cabinet |
| CN114552477A (en) * | 2022-03-16 | 2022-05-27 | 北京清畅电力技术股份有限公司 | A structure of double-sided isolating knife switch for ring main unit with integrated online monitoring function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2633109B1 (en) * | 1988-06-20 | 1990-09-21 | Merlin Gerin | HIGH VOLTAGE SHIELDED STATION WITH DOUBLE SET OF POWER BARS |
| CN202042819U (en) * | 2011-03-10 | 2011-11-16 | 平高集团有限公司 | An intelligent metal-enclosed switchgear |
| CN202759183U (en) * | 2012-08-16 | 2013-02-27 | 北京清畅电力技术股份有限公司 | Intelligent solid insulating switch cabinet |
| CN202978078U (en) * | 2012-12-07 | 2013-06-05 | 福建森达电气有限公司 | Intelligent-type medium-voltage whole-set switch device |
| CN203787830U (en) * | 2014-03-31 | 2014-08-20 | 成都鑫新光成套电器有限公司 | Composite monitoring intelligent armored withdrawable high-voltage switch cabinet |
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| Publication number | Publication date |
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| CN104410002A (en) | 2015-03-11 |
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