CN205263268U - High voltage circuit breaker contact temperature rise and life -span on -line monitoring system - Google Patents
High voltage circuit breaker contact temperature rise and life -span on -line monitoring system Download PDFInfo
- Publication number
- CN205263268U CN205263268U CN201521043693.9U CN201521043693U CN205263268U CN 205263268 U CN205263268 U CN 205263268U CN 201521043693 U CN201521043693 U CN 201521043693U CN 205263268 U CN205263268 U CN 205263268U
- Authority
- CN
- China
- Prior art keywords
- circuit
- receiving
- microprocessor
- measuring
- high voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a high voltage circuit breaker contact temperature rise and life -span on -line monitoring system, including measuring circuit, receiving circuit and background data administrative center, adopt wireless mode transmit data information between measuring circuit and the receiving circuit, can adopt wiredly between receiving circuit and the background data administrative center, also can adopt wireless transmit data information, the measuring circuit is fixed on high voltage circuit breaker touches the arm, is in the high -pressure side, receiving circuit fixes on high voltage circuit breaker instrument room cabinet door, is in the low -pressure end, the administrative center in the transformer substation is placed by background data administrative center, utilizes wireless temperature transducer, combines hollow coil type current transformer realization circuit breaker machinery and electrical life's prediction, has extremely important meaning to the safe operation that ensures electric power system.
Description
Technical field
The utility model relates to a kind of High Voltage Circuit Breaker Contacts temperature rise and life-span on-line monitoring system, and circuit breaker failure is found in timeA kind of very important supplementary means is provided.
Background technology
High-tension switch gear, as the visual plant in power plant, transformer station, plays a part to close and cut-off electric power, is used for realityNow carry and switch electric load and exit faulty equipment and line segment from power system, thereby ensure safe operation of power system.Intelligent high voltage switch device state comprehensive monitor system is according to China's intelligent grid construction requirements, moves for high-tension switch gearThe potential safety hazard existing in management, the brand-new system of effectively monitoring and controlling and research and develop, its collection affects high-voltage switch gear and establishesOn-line monitoring, analysis and the judgement of standby safe operation critical data, Intelligent control, the function such as visual, in one, have realizedHigh-caliber technological leapfrogging.
The survey showed that for international conference on large HV electric systems, and the fault of secondary circuit (controlling and subsidiary loop) immediately occupies after mechanical breakdownSecond. Control and subsidiary loop account for 29% of primary cut-out major failure, account for 20% of minor failure. The secondary of switchgearThe traditional electromagnetic mechanical structure of the many employings in loop, the function possessing is very limited, cannot adapt to the need of modern power network developmentWant. This structural behaviour is poor, and characteristic is inconsistent, and volume is large, and cost is high, and function singleness is difficult to form large-scale automated system.Therefore, the linear quadratic control of high-tension switch gear is inevitable moves towards intelligent from traditional electromagnetic mechanical type, and it is grid automation developmentNeed, be also the inevitable development trend that improves high-tension switch gear reliability, in order to understand Life cycle inner high voltage switchgearHealth status, must monitor the machinery and the electric parameter that affect switchgear health status, the utility model proposes for this reasonA kind of High Voltage Circuit Breaker Contacts temperature rise and life-span on-line monitoring system, utilize wireless temperature-measuring sensor, in conjunction with tubular wire ring type electricityCurrent transformer is realized the prediction of breaker mechanical and electrical endurance, and the safe operation that ensures power system is had to very important meaningJustice.
Utility model content
Technical problem to be solved in the utility model is, how to utilize wireless temperature-measuring sensor, mutual in conjunction with tubular wire ring type electric currentSensor, realizes circuit breaker failure and finds in time and life prediction.
For solving the problems of the technologies described above, the utility model provides a kind of High Voltage Circuit Breaker Contacts temperature rise and life-span on-line monitoring system,Comprise measuring circuit, receiving circuit and background data management centre; Between measuring circuit and receiving circuit, adopt wireless mode transmissionData message; Between receiving circuit and background data management centre, can adopt wiredly, also can adopt wireless data information;Measuring circuit is fixed on primary cut-out contact arm, in high-pressure side; Receiving circuit is fixed on primary cut-out control room cabinet door,In low-pressure end; Background data management centre is placed on substation management centre.
Measuring circuit comprises current sensor, temperature sensor, measurement module, power taking CT; Current sensor and temperature sensorOutput be connected with the A/D end of measurement module respectively; The output of power taking CT is connected with the power end of measurement module; Electric current passesSensor, temperature sensor, measurement module, power taking CT are all fixed on circuit breaker contact arm; Current sensor is punching tubular wireLoop current transformer, is sleeved on circuit breaker contact arm; Power taking CT core section 20-30 square millimeter, material is silicon strip, getsElectricity CT coil is the coiling of 300-500 circle enamel-covered wire; Temperature sensor is thermistor, when installation, near contact heat generating spot, surveysTemperature scope 0-150 DEG C.
Measurement module comprises measuring circuit wireless sending module, measuring circuit wireless receiving module, measuring circuit microprocessor, logicalLetter indicator lamp, power supply processing circuit, breaker numbering toggle switch, circuit breaker contact arm numbering toggle switch; Measuring circuit is wirelessThe input of sending module is connected with the I/O mouth of measuring circuit microprocessor; The output of measuring circuit wireless receiving module and surveyThe I/O mouth of amount circuit microprocessor connects; The communication input of indicator lamp and the I/O mouth of measuring circuit microprocessor are connected; ElectricityThe output of source treatment circuit is connected with the power end of measuring circuit microprocessor; The input of power supply processing circuit and power taking CT'sOutput connects; The output of breaker numbering toggle switch and circuit breaker contact arm numbering toggle switch respectively with the micro-place of measuring circuitThe I/O mouth of reason device connects.
Receiving circuit comprises receiving circuit wireless sending module, receiving circuit wireless receiving module, ambient temperature and humidity sensor, reportAlert circuit, receiving circuit microprocessor, display circuit, power circuit, key circuit, communication interface circuit; Receiving circuit withoutThe input of line sending module is connected with the I/O mouth of receiving circuit microprocessor; The output of receiving circuit wireless receiving module withThe I/O mouth of receiving circuit microprocessor connects; The A/D end of the output of ambient temperature and humidity sensor and receiving circuit microprocessorConnect; The input of warning circuit is connected with the I/O mouth of receiving circuit microprocessor; Display circuit input and receiving circuit are micro-The I/O mouth of processor connects; The output of power circuit is connected with the power end of receiving circuit microprocessor; Key circuit defeatedGoing out end is connected with the I/O mouth of receiving circuit microprocessor; The input/output terminal of communication interface circuit and receiving circuit microprocessorCommunication interface connects.
Background data management centre can be carried out statistical analysis to all circuit breaker contact arm temperature rises of transformer station and electric current, and breaker is dividedClosing moment electric current carries out current squaring integration, obtains accumulated value, prediction breaker vacuum bulb electric life; Accumulative total breaker deciliterLock number of times, prediction breaker vacuum bulb mechanical life.
Power circuit adopts alternating current-direct current 110-220V power supply.
Wireless sending module and wireless receiving module tranmitting frequency are 315-960MHz, and power is less than 10mW.
Receiving circuit can receive at most temperature and the current information of 12 measuring circuits.
Good effect of the present utility model is: (1) utilizes current sensor measurement circuit-breaker switching on-off moment electric current, and carries out electricityStream integrated square, obtains accumulated value, prediction breaker vacuum bulb electric life; (2) accumulative total circuit-breaker switching on-off number of times, prediction is disconnectedRoad device vacuum bubbles mechanical life; (3).
Brief description of the drawings
Fig. 1 is High Voltage Circuit Breaker Contacts temperature rise and life-span on-line monitoring system principle assumption diagram.
Fig. 2 is measuring circuit principle assumption diagram.
Fig. 3 is measurement module principle assumption diagram.
Fig. 4 is receiving circuit principle assumption diagram.
Detailed description of the invention
As shown in Figure 1, a kind of High Voltage Circuit Breaker Contacts temperature rise and life-span on-line monitoring system, comprise measuring circuit, receive electricityRoad and background data management centre; Between measuring circuit and receiving circuit, adopt wireless mode data information; Receiving circuit andBetween background data management centre, can adopt wiredly, also can adopt wireless data information; Measuring circuit is fixed on high pressureOn circuit breaker contact arm, in high-pressure side; Receiving circuit is fixed on primary cut-out control room cabinet door, in low-pressure end; BackstageControl data corporation is placed on substation management centre.
As shown in Figure 2, measuring circuit comprises current sensor, temperature sensor, measurement module, power taking CT; Current senseThe output of device and temperature sensor is connected with the A/D end of measurement module respectively; The output of power taking CT and the power supply of measurement moduleEnd connects; Current sensor, temperature sensor, measurement module, power taking CT are all fixed on circuit breaker contact arm; Current sensorFor punching hollow coil current transformer, be sleeved on circuit breaker contact arm; Power taking CT core section 20-30 square millimeter, materialMaterial is silicon strip, and power taking CT coil is the coiling of 300-500 circle enamel-covered wire; Temperature sensor is thermistor, when installation closeContact heat generating spot, temperature-measuring range 0-150 DEG C.
As shown in Figure 3, measurement module comprises measuring circuit wireless sending module, measuring circuit wireless receiving module, measures electricityRoad microprocessor, communication indicator lamp, power supply processing circuit, breaker numbering toggle switch, circuit breaker contact arm numbering toggle switch;The input of measuring circuit wireless sending module is connected with the I/O mouth of measuring circuit microprocessor; Measuring circuit wireless receiving moduleOutput be connected with the I/O mouth of measuring circuit microprocessor; The communication input of indicator lamp and the I/O of measuring circuit microprocessorMouth connects; The output of power supply processing circuit is connected with the power end of measuring circuit microprocessor; The input of power supply processing circuitBe connected with the output of power taking CT; The output of breaker numbering toggle switch and circuit breaker contact arm numbering toggle switch respectively with surveyThe I/O mouth of amount circuit microprocessor connects.
As shown in Figure 4, receiving circuit comprises receiving circuit wireless sending module, receiving circuit wireless receiving module, environment temperatureHumidity sensor, warning circuit, receiving circuit microprocessor, display circuit, power circuit, key circuit, communication interface electricityRoad; The input of receiving circuit wireless sending module is connected with the I/O mouth of receiving circuit microprocessor; Receiving circuit wireless receivingThe output of module is connected with the I/O mouth of receiving circuit microprocessor; Output and the receiving circuit of ambient temperature and humidity sensor are micro-The A/D end of processor connects; The input of warning circuit is connected with the I/O mouth of receiving circuit microprocessor; Display circuit inputEnd is connected with the I/O mouth of receiving circuit microprocessor; The output of power circuit is connected with the power end of receiving circuit microprocessor;The output of key circuit is connected with the I/O mouth of receiving circuit microprocessor; The input/output terminal of communication interface circuit and reception electricityThe communication interface of road microprocessor connects.
Background data management centre can be carried out statistical analysis to all circuit breaker contact arm temperature rises of transformer station and electric current, and breaker is dividedClosing moment electric current carries out current squaring integration, obtains accumulated value, prediction breaker vacuum bulb electric life; Accumulative total breaker deciliterLock number of times, prediction breaker vacuum bulb mechanical life.
Power circuit adopts alternating current-direct current 110-220V power supply.
Wireless sending module and wireless receiving module tranmitting frequency are 315-960MHz, and power is less than 10mW.
Receiving circuit can receive at most temperature and the current information of 12 measuring circuits.
Claims (7)
1. High Voltage Circuit Breaker Contacts temperature rise and life-span on-line monitoring system, is characterized in that: comprise measuring circuit, receiving circuitAnd background data management centre; Between measuring circuit and receiving circuit, adopt wireless mode data information; Receiving circuit andBetween background data management centre, can adopt wiredly, or adopt wireless data information; Measuring circuit is fixed on high pressureOn circuit breaker contact arm, in high-pressure side; Receiving circuit is fixed on primary cut-out control room cabinet door, in low-pressure end; AfterPlatform control data corporation is placed on substation management centre.
2. High Voltage Circuit Breaker Contacts temperature rise according to claim 1 and life-span on-line monitoring system, is characterized in that: surveyAmount circuit comprises current sensor, temperature sensor, measurement module, power taking CT; Current sensor and temperature sensor defeatedGoing out end is connected with the A/D end of measurement module respectively; The output of power taking CT is connected with the power end of measurement module; Electric current passesSensor, temperature sensor, measurement module, power taking CT are all fixed on circuit breaker contact arm; Current sensor is punching skyWire-core coil current transformer, is sleeved on circuit breaker contact arm; Power taking CT core section 20-30 square millimeter, material is siliconSteel band, power taking CT coil is the coiling of 300-500 circle enamel-covered wire; Temperature sensor is thermistor, when installation, touches closeHair focus, temperature-measuring range 0-150 DEG C.
3. High Voltage Circuit Breaker Contacts temperature rise according to claim 2 and life-span on-line monitoring system, is characterized in that: surveyAmount module comprises that measuring circuit wireless sending module, measuring circuit wireless receiving module, measuring circuit microprocessor, communication refer toShow lamp, power supply processing circuit, breaker numbering toggle switch, circuit breaker contact arm numbering toggle switch; Measuring circuit is wirelessSend the input of module and the I/O mouth of measuring circuit microprocessor to be connected; The output of measuring circuit wireless receiving module and surveyThe I/O mouth of amount circuit microprocessor connects; The communication input of indicator lamp and the I/O mouth of measuring circuit microprocessor are connected;The output of power supply processing circuit is connected with the power end of measuring circuit microprocessor; The input of power supply processing circuit and power takingThe output of CT connects; The output of breaker numbering toggle switch and circuit breaker contact arm numbering toggle switch is electric with measurement respectivelyThe I/O mouth of road microprocessor connects.
4. High Voltage Circuit Breaker Contacts temperature rise according to claim 1 and life-span on-line monitoring system, is characterized in that: connectReceive circuit and comprise receiving circuit wireless sending module, receiving circuit wireless receiving module, ambient temperature and humidity sensor, the electricity of reporting to the policeRoad, receiving circuit microprocessor, display circuit, power circuit, key circuit, communication interface circuit; Receiving circuit is wirelessThe input of sending module is connected with the I/O mouth of receiving circuit microprocessor; The output of receiving circuit wireless receiving module withThe I/O mouth of receiving circuit microprocessor connects; The A/D of the output of ambient temperature and humidity sensor and receiving circuit microprocessorEnd connects; The input of warning circuit is connected with the I/O mouth of receiving circuit microprocessor; Display circuit input and reception electricityThe I/O mouth of road microprocessor connects; The output of power circuit is connected with the power end of receiving circuit microprocessor; Button electricityThe output on road is connected with the I/O mouth of receiving circuit microprocessor; Input/output terminal and the receiving circuit of communication interface circuit are micro-The communication interface of processor connects.
5. High Voltage Circuit Breaker Contacts temperature rise according to claim 4 and life-span on-line monitoring system, is characterized in that: electricitySource circuit adopts alternating current-direct current 110-220V power supply.
6. according to the High Voltage Circuit Breaker Contacts temperature rise described in claim 3 or 4 and life-span on-line monitoring system, it is characterized in that:Wireless sending module and wireless receiving module tranmitting frequency are 315-960MHz, and power is less than 10mW.
7. High Voltage Circuit Breaker Contacts temperature rise according to claim 1 and life-span on-line monitoring system, is characterized in that: connectReceive temperature and current information that circuit can receive at most 12 measuring circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043693.9U CN205263268U (en) | 2015-12-15 | 2015-12-15 | High voltage circuit breaker contact temperature rise and life -span on -line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043693.9U CN205263268U (en) | 2015-12-15 | 2015-12-15 | High voltage circuit breaker contact temperature rise and life -span on -line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205263268U true CN205263268U (en) | 2016-05-25 |
Family
ID=56004790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521043693.9U Active CN205263268U (en) | 2015-12-15 | 2015-12-15 | High voltage circuit breaker contact temperature rise and life -span on -line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205263268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425147A (en) * | 2015-12-15 | 2016-03-23 | 江苏德春电力科技有限公司 | High-voltage circuit breaker contact temperature rise and service life online monitoring system |
| CN107731631A (en) * | 2017-11-27 | 2018-02-23 | 中山路得斯空调有限公司 | A kind of air-break with operating current instruction |
-
2015
- 2015-12-15 CN CN201521043693.9U patent/CN205263268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425147A (en) * | 2015-12-15 | 2016-03-23 | 江苏德春电力科技有限公司 | High-voltage circuit breaker contact temperature rise and service life online monitoring system |
| CN107731631A (en) * | 2017-11-27 | 2018-02-23 | 中山路得斯空调有限公司 | A kind of air-break with operating current instruction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105425147A (en) | High-voltage circuit breaker contact temperature rise and service life online monitoring system | |
| CN201522541U (en) | Transformer substation electrical equipment on-line monitoring system | |
| CN203732254U (en) | Circuit breaker mechanical characteristic online monitoring device | |
| CN202141524U (en) | Switch cabinet temperature monitoring system based on wireless network | |
| CN202759183U (en) | Intelligent solid insulating switch cabinet | |
| CN205263268U (en) | High voltage circuit breaker contact temperature rise and life -span on -line monitoring system | |
| CN203339659U (en) | Single-phase electric leakage protection and power supply automation recovery device | |
| CN202041599U (en) | Fault indicator for line arrester with gaps | |
| CN202870258U (en) | Online electric abrasion detecting system of vacuum circuit breaker | |
| CN205092661U (en) | High tension switchgear remote monitering system | |
| CN103197180A (en) | Intelligent component used for gas insulated switchgear (GIS)/ breaker | |
| CN104678756A (en) | Novel intelligent comprehensive power transformation and distribution monitoring system | |
| CN202276192U (en) | Switch cabinet temperature monitor and intelligent operation and control device | |
| CN203799465U (en) | Power transformer with operating state alarm | |
| CN111952105B (en) | Full-range high-precision remote transmission type sulfur hexafluoride gas density relay | |
| CN201868949U (en) | Substation equipment box temperature monitoring device | |
| CN205246796U (en) | Used leakance electricity fault detection of transformer substation device | |
| CN103151196A (en) | State indicating instrument of three-working-position operating mechanism of high-voltage switch cabinet and state indicating method thereof | |
| CN204030295U (en) | A kind of power distribution cabinet with electrocution-proof protection function | |
| CN104009547A (en) | Motoring device for breaker remote operation function and transformer substation remote operation system | |
| CN202796400U (en) | Intelligent dry-type transformer | |
| CN202111526U (en) | Intelligent monitoring device used for high-voltage switch device | |
| CN206850522U (en) | A kind of transformer station's power supply switching undisturbed device | |
| CN202771588U (en) | Stand-by power supply alarm system | |
| CN105823574A (en) | Wireless temperature measurement device for monitoring temperature of arm contact of circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213138 Jiangsu province Changzhou new North Menghe River town of Fumin Industrial Park Tang Jia Er Road No. 58 Patentee after: Jiangsu spring power Polytron Technologies Inc Address before: 213138 Jiangsu province Changzhou new North Menghe River town of Fumin Industrial Park Tang Jia Er Road No. 58 Patentee before: Jiangsu Dechun Power Electric Co., Ltd. |