CN203746739U - Integrated intelligent medium-voltage breaker - Google Patents
Integrated intelligent medium-voltage breaker Download PDFInfo
- Publication number
- CN203746739U CN203746739U CN201320825165.3U CN201320825165U CN203746739U CN 203746739 U CN203746739 U CN 203746739U CN 201320825165 U CN201320825165 U CN 201320825165U CN 203746739 U CN203746739 U CN 203746739U
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- Prior art keywords
- breaker
- measuring
- medium voltage
- intelligent medium
- circuit breaker
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 238000012806 monitoring device Methods 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 17
- 238000013459 approach Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model provides an integrated intelligent medium-voltage breaker. The integrated intelligent medium-voltage breaker comprises a breaker body, and also comprises an intelligent terminal and a monitoring device which are installed in the breaker body. The monitoring device comprises a displacement sensor used for measuring moving parts in the breaker, a current transformer used for measuring currents, a proximity switch used for measuring the motion position of an insulated pull bar in the breaker, a pressure sensor used for measuring the pressure of a contact of the breaker and a temperature measuring device used for measuring the temperature of the breaker.
Description
[technical field]
The utility model relates to intelligent breaker, particularly a kind of integral intelligent vacuum circuit-breaker.
[background technology]
Intelligent grid is the wind vane that world today's power system development is changed, and is the important trend of 21 century electric power scientific and technical innovation and development.Intelligent grid be actually by transmission of electricity, distribution whole system improve a level, by the such concept of intelligent grid make our operation of power networks more reliable, safer, more continuous.Intelligent grid requires from generating, transmission of electricity to the whole electrical network of distribution, comprises that system and components and parts are reliable, safety, can ensure continuity, the fail safe of power supply, and this switching devices industry is also had higher requirement.
The research and development of intellectualized switchgear, highlight the fusion of multi-field professional technique, in middle pressure field, switchgear is taking vacuum switch as main, comprise vacuum circuit-breaker, vacuum load switch, vacuum contactor etc., reliability is high, volume is little, lightweight, low noise owing to having for vacuum switch, in whole life cycle, accomplishing the series of advantages such as non-maintaining and be widely used in the every field such as power industry, industrial and mining enterprises, railway transportation, is one of indispensable important equipment of electric power industry development.Will relate to the problems such as insulation, electric field in middle pressure field, at present, vacuum switch is if vacuum circuit-breaker is mainly as the core executive component use of switchgear assembly, and the intellectuality of medium-pressure electricity supply system mainly relies on intelligent Medium voltage switch or circuit breaker complete set of equipments to realize.Due to intelligent Medium voltage switch or circuit breaker complete set of equipments, adopt multiple elements complete come practical function, single element is manufactured by different manufacturers again, the coupling of system often cannot reach optimum state, the coordination reliability of product is poor.And the assembly volume of plurality of devices is large, high material consumption, manufactures, and commissioning test, Maintenance and Repair workload are large, and technical requirement is high.Therefore, have that product cost is high, the processing of internal signal repeated acquisition, product poor anti jamming capability, mutual information flow are huge, hardware resource repeats to arrange, search problem a series of problems such as difficulty.In addition, switchgear inner parameter is difficult to obtain, and is difficult to judge the service life state of switchgear and calculates service interval.Therefore, adopt microcomputer core cell, in conjunction with advanced measurement and sensor technology, the mode of its integrated design is combined to intellectualized switchgear inside, make it have comprehensive intelligent functions.Comprise protection, measurement, control and monitoring.
[utility model content]
Technical problem to be solved in the utility model is to provide a kind of integral intelligent medium voltage breaker, and the running status with this to circuit breaker is monitored.
The utility model is by the following technical solutions:
Integral intelligent medium voltage breaker, comprise breaker body, be arranged on intelligent terminal and monitoring device in breaker body, described monitoring device comprises the displacement transducer for moving component in monitoring breaker, for measuring the current transformer of electric current, for the approach switch of monitoring breaker location status, for measuring the pressure sensor of contact of breaker pressure, and for measuring the temperature measuring equipment of breaker temperature.
Described displacement transducer comprises angular displacement sensor and linear displacement transducer, described angular displacement sensor is arranged on mechanism driving parts for measuring the rotation of breaker main shaft, and described linear displacement transducer is arranged on the insulated tension pole of circuit breaker for measuring the motion of insulated tension pole.
Described current transformer is arranged on circuit breaker major loop for measuring electric current.
Described pressure sensor is arranged on the driving-chain of circuit breaker for measuring contact pressure.
Described temperature measuring equipment comprises temperature sensor, and described temperature sensor is arranged on the contact arm up and down of circuit breaker.
Described temperature sensor is installed on Mume flower contact root place on contact arm, and power supply CT and temperature transmitter module are arranged on the centre position of contact arm.
On the panel of described circuit breaker, be provided with the LCDs with touch function.
Layout structure before and after described circuit breaker adopts, is matched in middle pressure metal enclosed switchgear.
The utlity model has following beneficial effect: the utility model is provided with intelligent terminal and monitoring device in breaker body, wherein, monitoring device comprises the displacement transducer of measuring moving component in circuit breaker, measure the approach switch of movement position, measure the pressure sensor of stressing conditions, the temperature measuring equipment of measuring breaker temperature, the running status with this to circuit breaker is monitored and is controlled.
[brief description of the drawings]
Fig. 1 is the structural representation of the utility model integral intelligent medium voltage breaker.
In figure:
1, temperature measuring equipment, 2, current transformer, 3, pressure sensor,
4, approach switch, 5, linear displacement transducer, 6, angular displacement sensor,
7, intelligent terminal.
[embodiment]
The technical solution adopted in the present invention is that a kind of intelligent medium voltage breaker, has Long-distance Control, on-line monitoring and measurement, self diagnosis and self-protection function, comprises fracture state monitoring device and electric chassis truck.Fracture state monitoring device comprises breaker mechanic property monitoring device and temperature measurement on-line device.The communication function of fracture state monitoring device and tension management equipment is to realize by single connection.
Layout structure before and after vacuum circuit-breaker adopts, is matched in middle pressure metal enclosed switchgear.Circuit breaker chassis vehicle; Chassis vehicle adopts electric/manual mode to drive.Circuit breaker uses permanent-magnet manipulating mechanism, and mechanism adopts upper and lower arrangement.
Circuit breaker is built-in with the required transducer of fracture monitoring device; Circuit breaker supports the use electronic current mutual inductor or low power consumption current instrument transformer; Circuit breaker has supporting temperature rise monitoring sensor.
The agent set of the protection of intelligent breaker, control, measurement, monitoring integration device is built in circuit breaker frame.Circuit breaker has the function of phase selection operation.
Described protection, control, measurement, monitoring integration device, with circuit breaker integrated design, are integrated in breaker body by function height such as protection, control, measurement, monitorings, realize information resources and share, and reduce signal repeated acquisition; Meanwhile, process on the spot with regard to earth signal, improve device responds speed and antijamming capability.In addition, on circuit breaker panel, with the instrument on the alternative traditional switch cubicle of the LCDs with touch function, indicator light, part button etc., greatly reduce the workload of the secondary connection of switch cabinet, make product Installation and Debugging simple and convenient; Adopt IEC61850 or IEC60870-5-103 to communicate by letter with computer monitoring center, realized veritably measurement digitlization, controlled networking, the intelligent demand of status visualization, function integration, information interaction; Measurement function comprises amplitude and the phase place of three-phase power voltage, breaker fracture state, handcart position state, circuit breaker position state.
Defencive function can be realized all defencive functions including fast tripping protection, inverse time protection, overcurrent protection, overload protection, under-voltage protection, overvoltage protection, low-frequency load reduction, three-phase single shot reclosing, CT broken string, PT broken string, open-phase protection etc., and realizes concrete function and can configure by user's request;
Control function, realize and comprise electronic control to chassis vehicle, earthed switch, lock-in control, and the phase selection operation that realizes circuit breaker is controlled;
Measurement function, realizes the measurement to electric weight and position quantity;
Monitoring function, realizes the monitoring to mechanical property on-line monitoring, supply voltage, the monitoring of operating current.
Communication function is supported IEC60870-5-103 communication protocol and IEC61850 communication protocol simultaneously.
Function height such as protection, control, measurement, monitorings is integrated in breaker body by the present invention.Utilization is built in intelligent terminal 7 in circuit breaker frame and realizes information resources and share, and reduces signal repeated acquisition; Meanwhile, process on the spot with regard to earth signal, improve device responds speed and antijamming capability.
Monitoring device mainly comprises displacement transducer, current transformer 2, approach switch 4, pressure sensor 3, temperature measuring equipment 1, and described temperature measuring equipment is temperature sensor.
Displacement transducer comprises angular displacement sensor 6 and linear displacement transducer 5.The rotational parameters of breaker main shaft, on mechanism driving parts, is measured in the installation site of angular displacement sensor 6; Linear displacement transducer 5 is arranged on insulated tension pole, measures the kinematic parameter of insulated tension pole.
Current transformer 2 is arranged under pole on contact arm, and coil is installed on contact arm root place under each phase pole.
Pressure sensor 4, for measuring monitoring point pressure, is further judged fracture state, is arranged on the drive disk assembly of breaker mechanism.
Approach switch 4 is for the movement position of monitoring breaker.
Temperature measuring equipment 1 is arranged on upper and lower contact arm, position as shown in Figure 1, temperature sensor is installed on Mume flower contact root place on contact arm, and power supply CT and wireless temperature transmitter module are arranged on the centre position of contact arm, and the temperature measurement on-line device on other contact arms is installed with the same manner.
The above, it is only preferred embodiment of the present invention, therefore can not limit the scope that the utility model is implemented with this, the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (8)
1. an integral intelligent medium voltage breaker, it is characterized in that: comprise breaker body, be arranged on intelligent terminal (7) and monitoring device in breaker body, described monitoring device comprises for the displacement transducer of moving component in monitoring breaker (5,6), for measuring the current transformer (2) of electric current, for the approach switch (4) of monitoring breaker location status, for measuring the pressure sensor (3) of contact of breaker pressure, and for measuring the temperature measuring equipment (1) of breaker temperature.
2. integral intelligent medium voltage breaker as claimed in claim 1, it is characterized in that: described displacement transducer comprises angular displacement sensor (6) and linear displacement transducer (5), described angular displacement sensor (6) is arranged on mechanism driving parts for measuring the rotation of breaker main shaft, and described linear displacement transducer is arranged on the insulated tension pole of circuit breaker for measuring the motion of insulated tension pole.
3. integral intelligent medium voltage breaker as claimed in claim 1, is characterized in that: described current transformer is arranged on circuit breaker major loop for measuring electric current.
4. integral intelligent medium voltage breaker as claimed in claim 1, is characterized in that: described pressure sensor is arranged on the driving-chain of circuit breaker for measuring contact pressure.
5. integral intelligent medium voltage breaker as claimed in claim 1, is characterized in that: described temperature measuring equipment comprises temperature sensor, described temperature sensor is arranged on the contact arm up and down of circuit breaker.
6. integral intelligent medium voltage breaker as claimed in claim 5, is characterized in that: described temperature sensor is installed on Mume flower contact root place on contact arm, and power supply CT and temperature transmitter module are arranged on the centre position of contact arm.
7. integral intelligent medium voltage breaker as claimed in claim 1, is characterized in that: on the panel of described circuit breaker, be provided with the LCDs with touch function.
8. integral intelligent medium voltage breaker as claimed in claim 1, is characterized in that: layout structure before and after described circuit breaker adopts, is matched in middle pressure metal enclosed switchgear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825165.3U CN203746739U (en) | 2013-12-13 | 2013-12-13 | Integrated intelligent medium-voltage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825165.3U CN203746739U (en) | 2013-12-13 | 2013-12-13 | Integrated intelligent medium-voltage breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746739U true CN203746739U (en) | 2014-07-30 |
Family
ID=51346506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825165.3U Expired - Lifetime CN203746739U (en) | 2013-12-13 | 2013-12-13 | Integrated intelligent medium-voltage breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269320A (en) * | 2014-09-24 | 2015-01-07 | 北京合纵科技股份有限公司 | Novel high-voltage switch on-off transmission device |
| CN105118728A (en) * | 2015-09-19 | 2015-12-02 | 宁波铭德电气科技有限公司 | Intelligent vacuum circuit breaker |
| CN106026409A (en) * | 2016-08-02 | 2016-10-12 | 广州普瑞电力控制系统设备有限公司 | Integrated intelligent pole top switch |
-
2013
- 2013-12-13 CN CN201320825165.3U patent/CN203746739U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269320A (en) * | 2014-09-24 | 2015-01-07 | 北京合纵科技股份有限公司 | Novel high-voltage switch on-off transmission device |
| CN105118728A (en) * | 2015-09-19 | 2015-12-02 | 宁波铭德电气科技有限公司 | Intelligent vacuum circuit breaker |
| CN105118728B (en) * | 2015-09-19 | 2018-07-24 | 宁波铭德电气科技有限公司 | A kind of intelligent vacuum circuit breaker |
| CN106026409A (en) * | 2016-08-02 | 2016-10-12 | 广州普瑞电力控制系统设备有限公司 | Integrated intelligent pole top switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 7, Tang Xing Road, Xi'an high tech Zone, Shaanxi Province Co-patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA XD GROUP CO.,LTD. Address before: No. 7, Tang Xing Road, Xi'an high tech Zone, Shaanxi Province Co-patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA XD Group |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710075 Shaanxi city of Xi'an province high tech Zone No. 7 Tang Xing Lu Patentee after: CHINA XD GROUP CO.,LTD. Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an province high tech Zone No. 7 Tang Xing Lu Patentee before: CHINA XD GROUP CO.,LTD. Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220606 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an province high tech Zone No. 7 Tang Xing Lu Patentee before: CHINA XD GROUP CO.,LTD. Patentee before: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |