CN201465883U - Medium voltage vacuum breaker with function of state on-line monitoring - Google Patents
Medium voltage vacuum breaker with function of state on-line monitoring Download PDFInfo
- Publication number
- CN201465883U CN201465883U CN2009200692295U CN200920069229U CN201465883U CN 201465883 U CN201465883 U CN 201465883U CN 2009200692295 U CN2009200692295 U CN 2009200692295U CN 200920069229 U CN200920069229 U CN 200920069229U CN 201465883 U CN201465883 U CN 201465883U
- Authority
- CN
- China
- Prior art keywords
- circuit
- breaker
- camera
- line monitoring
- output
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a medium voltage vacuum breaker with function of state on-line monitoring and is characterized in that the left rib plate in the breaker frame is provided with a real-time monitoring and diagnosing system circuit, a Hall sensor is sheathed in the brake separating loop, the energy storing loop and the brake closing loop, two divider resistors are connected in parallel on the operating power source, a first camera and a second camera are arranged above the second and fourth compartments of the breaker, a displacement sensor is arranged on the operating mechanism, a temperature sensor is attached on the contact arm, the output ends of the, the divider resistors, the two cameras, and the displacement sensor are connected with the real-time monitoring and diagnosing system circuit by respective interface circuits, the output end of the temperature sensor is connected with the input end of a signal collecting module, the output end of the signal collecting module is connected with input end of the real-time monitoring and diagnosing system circuit by a pair of wireless transceiving modules. The utility model has the advantages that the medium voltage vacuum breaker with function of state on-line monitoring has failure self-diagnosing function, reliably avoids occurrence of accidents and exacerbation of problems, and ensures stability of the electric power system.
Description
Technical field
The utility model relates to a kind of middle pressure vacuum circuit-breaker of carrier state on-line monitoring function, has self operating state is carried out real time on-line monitoring and fault self-diagnosis function, belongs to the switchgear technical field in the high pressure power transmission and distribution process.
Background technology
Circuit breaker is a most important control device in the electric power system, also is the most frequent equipment that moves, and it has higher failure rate in running, is easy to cause power grid accident and cause great economic loss in case circuit breaker breaks down.Present widely used circuit breaker maintenance mode has periodic inspection, trouble hunting.Periodic inspection lacks specific aim, tends to cause the man power and material to waste greatly, simultaneously because excessive maintenance also might bring new potential safety hazard; Trouble hunting is the fault and the defective of discovering device early.Above-mentioned two kinds of repair methods all exist irrationality and limitation.
According to the statistics and analysis of domestic and international authoritative electric power research department to vacuum circuit-breaker accident over the years, the accident that is caused by operating mechanism and subsidiary loop element accounts for more than 70%, and major part is because bad the causing of mechanical property refused branch, refused to close or misoperation etc.Therefore, if some important parameters to the mechanical property that comprises medium voltage breaker carry out long-continued on-line monitoring, not only can improve the online running status of equipment, and, can judge whether to exist the tendency of fault, thereby prolong the maintenance cycle of equipment by analyzing the variation of various important parameters, improve usage ratio of equipment, ensure the fail safe of electric power system, reduce the expense of maintaining, for power equipment is given security to the repair based on condition of component transition by periodic inspection.
At present, a large amount of middle pressure vacuum circuit-breakers that use, its internal electric control loop is very simple, only comprises divide-shut brake, energy storage control circuit and relevant auxiliary switch and simple overcurrent dropout protection.Owing to self do not possess fault detection capability, for circuit breaker built-in function mechanism mechanical breakdown, go investigation in the time of can only leaning on periodic inspection, and the potential safety hazard that exists, can only go to judge by experience.Defectives such as automaticity is low even existing monitoring device also exists, measure error is big, technology is immature, and mostly be discrete monitoring means, each parameter measurement unit lacks organic the combination with circuit breaker, can not provide complete organic criterion for failure diagnosis.When reality is used, between circuit breaker and measuring unit, be connected with a large amount of control and data wire, not only influence attractive in appearancely, and influenced the reliability of system.
The utility model content
The purpose of this utility model provides a kind of middle pressure vacuum circuit-breaker of carrier state on-line monitoring function.
In order to achieve the above object, the technical solution of the utility model has provided a kind of middle pressure vacuum circuit-breaker of carrier state on-line monitoring function, comprise circuit breaker frame, the back side in circuit breaker frame is provided with contact arm, aviation plug is connected on the circuit breaker frame, in circuit breaker frame, be provided with operating mechanism, the switching winding loop, the energy storage coil loop, closing coil loop and operating power, it is characterized in that, in circuit breaker frame, be provided with real-time monitoring and diagnosis circuit system on the floor of left side, in the switching winding loop, suit Hall element in energy storage coil loop and the closing coil loop, be parallel with two divider resistances respectively at above-mentioned three circuit operation power rectifier outputs, above circuit breaker second and the 4th compartment, be respectively equipped with first camera and second camera, three displacement transducers vertically are installed respectively on the circuit breaker frame base plate side by side, on contact arm, post temperature sensor, Hall element, divider resistance, first camera, the output of second camera and displacement transducer is connected to the input of real-time monitoring and diagnosis circuit system by interface treatment circuit separately, the output of temperature sensor connects the input of temperature signal collection module, and the output of temperature signal collection module is connected to the input of real-time monitoring and diagnosis circuit system by a pair of radio receiving transmitting module.
The utility model compared with prior art, in existing, embed on the basis of the original framework of pressure vacuum circuit-breaker real-time monitoring and diagnosis circuit system, Hall element, first camera, second camera and displacement transducer are installed, make it to become an organic reliable integral body, not only attractive in appearance but also reliable.Owing to adopted real-time monitoring and diagnosis system based on DSP, can carry out real time on-line monitoring to the operating state of circuit breaker, has the Fault Identification function, when producing the fault tendency, the characteristic parameter that extracts changes and presets the failure symptom storehouse when matching, system promptly can send warning, remind the operation maintenance personnel timely and accurately equipment to be safeguarded, thereby significantly reduce the periodic inspection number of times, maintenance cost and economic loss that interruption maintenance caused have been saved, reduce the possibility that improper or unnecessary maintenance causes fault, prolonged the useful life of circuit breaker; Simultaneously, also, reliably avoid the generation of accident and the deterioration of problem, guaranteed the stability of electric power system owing to pinpoint the problems in bud.
The utility model has the advantages that: significantly reduce the periodic inspection number of times, maintenance cost and economic loss that interruption maintenance caused have been saved, reduced the possibility that improper or unnecessary maintenance causes fault, prolonged the useful life of circuit breaker, reliably avoid the generation of accident and the deterioration of problem, guaranteed the stability of electric power system.
Description of drawings
The outward appearance end view of the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function that Fig. 1 provides for the utility model;
The schematic internal view of the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function that Fig. 2 provides for the utility model;
The inner frame schematic diagram of the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function that Fig. 3 provides for the utility model;
Fig. 4 is the circuit block diagram of real-time monitoring and diagnosis system;
Fig. 5 A is the circuit block diagram of current acquisition part;
Fig. 5 B is the circuit block diagram of voltage acquisition part;
Fig. 6 is the connection block diagram of a temperature rise monitoring means;
Fig. 7 is the structural representation of a temperature rise monitoring means installation insulation assembly;
Fig. 8 is the operating mechanism right view;
Fig. 9 is the scheme of installation of displacement transducer;
Figure 10 is the structural representation of displacement transducer.
Embodiment
Specify the utility model below in conjunction with accompanying drawing and embodiment.
Embodiment
As shown in Figure 1, the outward appearance end view of the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function that provides for the utility model, from see in appearance circuit breaker that the utility model provides with common press vacuum circuit-breaker identical, all be to be extended with contact arm 2 at the back of circuit breaker frame 1.(sequence number is opposite with accompanying drawing 1 herein, and it is consistent that the proposed amendments accompanying drawing makes it! )
As shown in Figures 2 and 3, the schematic internal view of the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function that provides for the utility model, most of parts of the circuit breaker that the utility model provides are identical with common middle pressure vacuum circuit-breaker, also be provided with operating mechanism 4 in circuit breaker frame 1 inside, switching winding loop 5, energy storage coil loop 6, closing coil loop 7 and operating power thereof, on circuit breaker frame 1, be connected with aviation plug 3, and circuit breaker frame 1 is divided into five compartments from left to right successively, different is, on the left side floor of the utility model in circuit breaker frame 1 real-time monitoring and diagnosis circuit system 8 is installed, replaced the common middle original control Driver Circuit of vacuum circuit-breaker of pressing simultaneously, and the order of connection and function of equal value with complete compatibility. the utility model is assemblied in IK-VP342S10 type the one CCD camera 9 that ikowa company produces in circuit breaker second compartment, install the oblique lower right side of camera lens, be used to monitor the adhesive and the spindle drive connecting lever rotation situation of separating brake tripping coil electromagnet, second camera is assemblied in circuit breaker the 4th compartment, install the oblique lower right side of camera lens, be used to monitor closing coil electromagnetic actuation situation and stored energy mechanism, motion conditions such as combined floodgate cam. simultaneously, the moving image that fixed light source 12. above-mentioned objects have been installed in the second and the 4th compartment is through on the CCD chip of lens focus to the camera, CCD is according to the electric charge of the power accumulation corresponding proportion of light, the electric charge of each pixel accumulation is under the video time sequence control, pointwise moves outward, through filtering, amplify, after ADC handles, form digital video signal, its pixel converts the HIS color model to by RGB, signal after the conversion is passed to real-time monitoring and diagnosis circuit system 8, the real time record separating brake, close a floodgate, the view data of stored energy operating mechanism motion process. with the spring operating mechanism is example, the course of work of its fault image recognition is: intercept video image information from the video flowing that is write down, and view data carried out preliminary treatment, remove and disturb, noise, then handle through image gray processing, with 8 gray-scale maps of 24 true color image conversion imagings, pass through smoothing processing again, the laggard capable image segmentation of figure image intensifying, adopt the region growing split plot design, to obtain the target area feature, and with the storage be that the fault data information storehouse that the basis is set up compares with a large amount of experiments and simulation study, the final state of judging current spring operating mechanism motion process. can judge whether to occur mechanism-trouble by a series of contrasting, as mechanism's bite, branch/closing coil electromagnetic actuation fault, energy storage deficiency etc.
Switching winding loop 5 and closing coil loop 7 current waveforms have reflected that electromagnet itself reaches locking a door or the working condition in operating process such as valve and chain contact of being controlled.Switching winding and closing coil duration of work, corresponding different motion situation unshakable in one's determination of each time period, clocklike changing appears in current waveform.The current waveform in energy storage coil loop 6 has reflected the working condition of motor body and spring energy agency.The current waveform of monitoring above-mentioned three loops is very crucial to the hidden failure of diagnosis circuit breaker.The DC50EB type Hall element that the utility model adopts Zhongxu Electronics Tech Co., Ltd. to produce is gathered the current signal in three loops.The Hall element that respectively the DC simulation signal in these three loops is passed separately during installation gets final product.In order the signal that collects to be exported to real-time monitoring and diagnosis circuit system 8, need be shown in Fig. 5 A, the build-out resistor that resistance of cross-over connection is 100 Ω between the output of Hall element and ground, convert the current signal that induces to adaptation DSP suitable level, insert filter amplification circuit again and carry out filtering and amplify conditioning, then pass to the ADC built-in function unit of DSP.
The voltage signal in switching winding loop 5, energy storage coil loop 6 and closing coil loop 7 has then reflected the ring current state of supply, its collection is fairly simple, export positive and negative two ends and connect two resistance at operating power rectifier bridge voltage, taking the mode of dividing potential drop to sample gets final product, its concrete mode of connection is shown in Fig. 5 B, at 220V working power rectification output end and connecting resistance R1 and adjustable resistance R2, and the resistance R 1 that connects and adjustable resistance R2 between insert filter amplification circuit, signal is nursed one's health, then signal is inputed to the DSP AD conversion unit.
The utility model is in order accurately to measure the travel parameters of each phase contact of circuit breaker, the roughly installation site that displacement transducer 11. displacement transducers 11 have been installed on operating mechanism 4 as shown in Figure 8, what this figure illustrated is the right view of operating mechanism 4, this operating mechanism 4 is identical with routine, also comprise transmission crank arm 13, be linked with transmission connecting plate 14 and insulated tension pole 15 respectively at the two ends of transmission crank arm 13, on transmission connecting plate 14, be provided with transmission component 16, on insulated tension pole 15, be provided with vacuum extinction chamber component 17, different is, the utility model in left side, the lower end of insulated tension pole 15 or the right side displacement transducer 11 that the KL50 type produced by German novotechnik company is transformed has been installed, its concrete mounting means as shown in Figure 9, three-phase displacement transducer 11 is vertically mounted on (signal is a phase wherein) on framework 1 base plate side by side, and in the end of moving contact of breaker insulated tension pole 15, " L " type metal working part 18 with two symmetries tightly encases formation " ㄩ " shape with it, with latch 20 in the installing hole of two " L " type metal working parts 18 and pull bar 15 ends, both sides at latch 20 are used block piece 21 respectively, connector 19 left parts encase, cause the displacement of latch 20 with restriction divide-shut brake vibration, between transducer 11 and insulated tension pole 15, both be connected with connector 19.
As shown in figure 10, be the structural representation of displacement transducer 11, comprise slide block 22, rail plate 23, conductive plastics substrate 24, brush 25 and encapsulating shell 26.Be provided with a slot at slide block 22 left parts, be embedded with elastic brush 25 at slide block 22 right parts, contact with the accurate conductive plastics substrate 24 that places its right side groove, conductive plastics substrate 24 contact-making surfaces become rectangle, left surface at encapsulating shell 26 has a rectangular channel, be provided with the semi-circular guide rail 23 of two symmetries in encapsulating shell 26 inside, easy on and off slides but slide block 22 is placed in one.Insert in the slot of slide block 22 left parts by above-mentioned connector 19, realize the interlock of insulated tension pole 15 and slide block of sensor 22.Be subjected to the restriction of circuit breaker frame 1 bottom space, the transducer total length should be less than 50mm, and the actual effective travel that requires to measure of circuit breaker is 20mm, and the precision that requires to measure reaches 0.002mm, dedicated bit displacement sensor linear precision height, the long service life developed satisfy Testing requirement fully.
As shown in Figure 4, the circuit block diagram for real-time monitoring and diagnosis circuit system comprises dsp processor, adopts the TMS320F2812 type dsp chip of TI company, handles to finish data acquisition at a high speed and task.For acquired signal, need to adopt the interface circuit of various signals, the input of DSP Main Processor Unit connects filtering amplification modulate circuit respectively for this reason, interface circuit, the output of wireless receiving module (the nRF905 cake core that adopts Nordic VLSI company to produce) and DSP graphics processing unit (adopting the TM320C32 chip of TI company), the output of DSP Main Processor Unit connects the input of external display unit by aviation plug 3, the input of filter amplification circuit connects the output of Hall element and divider resistance, the input of interface circuit connects the output of displacement transducer 11, and the input of DSP graphics processing unit connects the output of first camera 9 and second camera 10.
Simultaneously, in order to debug and the initialization whole system, special-purpose debugging interface can be set on circuit breaker, when the circuit breaker manufacturing is finished, after transducer installs and fixes and finishes, by with the initial condition of dispatching from the factory that the circuit breaker debugging interface suitably connects and circuit breaker can be measured and preserve to short circuit automatically, for calculating and the variation of analysis circuit breaker characteristic provides initial data.On DSP core system basis, can also expand 1 485 communication interface and record the wave system system.Record wave system system adopts the EEPROM of 64k, by software administration with refresh, effectively nearest 1000 exception records of saved system and the service data more than 30 days (are preserved the data of longer time for needs, then can upload measurement data, be responsible for storage by general-purpose computing system by communication interface.The parameter record wave energy of circuit breaker system action can be preserved the detailed data and the analysis processing result of nearest 100 actions by circuit breaker monitoring, diagnosing unit interior liabilities).
The installation of temperature sensor is referring to Fig. 1, temperature sensor is attached on the contact arm 2 near the Mume flower contact side, in order to allow DSP collect temperature signal, need build circuit as shown in Figure 6, the input of the output connection temperature signal collection module of temperature sensor, the output of temperature signal collection module is by the wireless receiving module pairing on wireless sending module (the nRF905 cake core that adopts Nordic VLSI company to produce) and the real-time monitoring and diagnosis circuit system 8.The LM35 that temperature sensor selects for use National Semiconductor company to produce, it converts the temperature signal at contact arm Mume flower contact place to the correspondent voltage signal, input to the inner ADC unit (10 acquisition precisions) of the ATMEGA48 type single-chip microcomputer that uses as the temperature signal collection module, digital signal after the conversion transfers to wireless sending module based on nRF905 through the USART serial ports, by it signal is sent to the wireless reception module of pairing with it, and signal finally being transferred to the DSP Main Processor Unit. the working power of the temperature signal collection part in the present embodiment adopts the suspended power supply of being made especially by silicon steel sheet, it is sleeved on the circuit breaker contact arm, the supplying temperature information acquisition circuit, power taking is convenient safe and reliable again. for circuit and the suspended power supply that a temperature rise monitoring means information gathering is sent part all is installed in the insulating sleeve of contact arm 2, installation insulation assembly has as shown in Figure 7 been made in special die sinking, suspended power supply is placed in the installing sleeve left part, and twists solid with threaded collar; The single chip circuit plate is inserted in the top slot of installing sleeve, then use screw fastening; Radio receiving transmitting module is assigned in the slot of the side of installing sleeve, and it is fastening with screw. under the situation that Mume flower contact and insulating sleeve unload, insulation assembly is placed on the contact arm also with four screws clamp, then temperature sensor is close to and is installed on six contact arms, near the Mume flower contact side, refill Mume flower contact and insulating sleeve at last.
Claims (7)
1. the middle pressure vacuum circuit-breaker of a carrier state on-line monitoring function, comprise circuit breaker frame (1), be provided with contact arm (2) at the back side of circuit breaker frame (1), aviation plug (3) is connected on the circuit breaker frame (1), in circuit breaker frame (1), be provided with operating mechanism (4), switching winding loop (5), energy storage coil loop (6), closing coil loop (7) and operating power, it is characterized in that, in circuit breaker frame (1), be provided with real-time monitoring and diagnosis circuit system (8) on the floor in left side, in switching winding loop (5), suit Hall element in energy storage coil loop (6) and closing coil loop (7), be parallel with two divider resistances respectively at above-mentioned three circuit operation power rectifier outputs, above circuit breaker second and the 4th compartment, be respectively equipped with first camera (9) and second camera (10), the vertical side by side respectively three-phase displacement transducer (11) of installing in appropriate location, circuit breaker frame (1) bottom, on contact arm (2), post temperature sensor, Hall element, divider resistance, first camera (9), the output of second camera (10) and displacement transducer (11) is connected to the input of real-time monitoring and diagnosis circuit system (8) by interface treatment circuit separately, the output of temperature sensor connects the input of temperature signal collection module, and the output of temperature signal collection module connects the input of real-time monitoring and diagnosis circuit system (8) by a pair of radio receiving transmitting module.
2. the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function as claimed in claim 1 is characterized in that, is provided with light source (12) in described circuit breaker frame (1).
3. the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function as claimed in claim 1, it is characterized in that, described real-time monitoring and diagnosis circuit system (8) comprises the DSP Main Processor Unit, the input of DSP Main Processor Unit connects filter amplification circuit respectively, interface circuit, the output of wireless receiving module and DSP graphics processing unit, the output of DSP Main Processor Unit connects the input of external display unit, the input of filter amplification circuit connects the output of described Hall element and described divider resistance, the input of interface circuit connects the output of described displacement transducer (11), the input of wireless receiving module connects the output of described wireless sending module, and the input of DSP graphics processing unit connects the output of described first camera (9) and second camera (10).
4. as the middle pressure vacuum circuit-breaker of claim 1 or 3 described a kind of carrier state on-line monitoring functions, it is characterized in that described first camera (9) and second camera (10) are the CCD camera.
5. the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function as claimed in claim 1, it is characterized in that, described operating mechanism (4) comprises transmission crank arm (13), be linked with transmission connecting plate (14) and insulated tension pole (15) respectively at the two ends of transmission crank arm (13), on transmission connecting plate (14), be provided with transmission component (16), be provided with vacuum extinction chamber component (17) on insulated tension pole (15), described displacement transducer (11) is located at the left side or the right side of the lower end of insulated tension pole (15).
6. the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function as claimed in claim 1, it is characterized in that, described three-phase displacement transducer (11) comprises encapsulating shell (26), in encapsulating shell (26), be provided with left part the slide block of slot (22) is arranged, be embedded with elastic brush (25) at slide block (22) right part, elastic brush (25) contacts with accurate conductive plastics substrate (24), is provided with semi-circular guide rail (23) in the contact position of slide block (22) both sides and housing (26).
7. the middle pressure vacuum circuit-breaker of a kind of carrier state on-line monitoring function as claimed in claim 6, it is characterized in that, be enclosed with " L " type metal working part (18) of two symmetries in the lower end of described insulated tension pole (15), insert by connector (19) in the slot of displacement transducer slide block (22) left part, realize the interlock of insulated tension pole (15) and displacement transducer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200692295U CN201465883U (en) | 2009-03-23 | 2009-03-23 | Medium voltage vacuum breaker with function of state on-line monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200692295U CN201465883U (en) | 2009-03-23 | 2009-03-23 | Medium voltage vacuum breaker with function of state on-line monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465883U true CN201465883U (en) | 2010-05-12 |
Family
ID=42393231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200692295U Expired - Lifetime CN201465883U (en) | 2009-03-23 | 2009-03-23 | Medium voltage vacuum breaker with function of state on-line monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465883U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893686A (en) * | 2010-06-11 | 2010-11-24 | 河南电力试验研究院 | Digital radiography-based breaker operating characteristic on-line detection device and method |
| CN102269650A (en) * | 2011-05-06 | 2011-12-07 | 厦门Abb开关有限公司 | Online monitoring device of mechanical characteristics of vacuum circuit breaker |
| CN102355051A (en) * | 2011-07-21 | 2012-02-15 | 常州森隆电力科技有限公司 | On-line monitoring system of breaker and on-line monitoring method thereof |
| CN101515520B (en) * | 2009-03-23 | 2012-05-30 | 上海南华兰陵电气有限公司 | Intelligent self-diagnosis medium-pressure vacuum circuit breaker |
| CN102565686A (en) * | 2011-12-07 | 2012-07-11 | 上海工程技术大学 | Embedded type intelligent vacuum circuit breaker for real-time monitoring |
| CN103633618A (en) * | 2013-10-26 | 2014-03-12 | 安徽龙波电气有限公司 | Electrified on-line monitoring and protecting device for intelligent high-voltage vacuum circuit breaker |
| CN104483116A (en) * | 2014-12-05 | 2015-04-01 | 北京合锐赛尔电力科技股份有限公司 | On-line monitoring device applied to intelligent ring main unit |
| CN104597398A (en) * | 2015-01-31 | 2015-05-06 | 哈尔滨理工大学 | Intelligent pluggable circuit breaker and monitoring and pre-warning system thereof |
| WO2016074171A1 (en) * | 2014-11-12 | 2016-05-19 | Abb Technology Ltd | Pivot supporting structure and circuit breaker |
| CN106092556A (en) * | 2016-08-17 | 2016-11-09 | 云南电网有限责任公司电力科学研究院 | A kind of chopper pallet action monitoring device and method |
| CN108133873A (en) * | 2018-01-17 | 2018-06-08 | 杭州之江开关股份有限公司 | Breaker under-voltage reclosing output device of the electrical signal and its operating method |
| CN110687444A (en) * | 2019-11-07 | 2020-01-14 | 广东电网有限责任公司 | Device and method for testing switching-on and switching-off average speed of 10kV vacuum circuit breaker |
| CN110703079A (en) * | 2019-10-15 | 2020-01-17 | 常熟理工学院 | Device for detecting attraction of recovery contactor |
| CN111044896A (en) * | 2019-12-23 | 2020-04-21 | 云南恒协科技有限公司 | Strut type circuit breaker on-line monitoring system |
| CN116481795A (en) * | 2023-06-21 | 2023-07-25 | 成都汉度科技有限公司 | Sensor assembly for drop monitoring and drop-out fuse |
-
2009
- 2009-03-23 CN CN2009200692295U patent/CN201465883U/en not_active Expired - Lifetime
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515520B (en) * | 2009-03-23 | 2012-05-30 | 上海南华兰陵电气有限公司 | Intelligent self-diagnosis medium-pressure vacuum circuit breaker |
| CN101893686A (en) * | 2010-06-11 | 2010-11-24 | 河南电力试验研究院 | Digital radiography-based breaker operating characteristic on-line detection device and method |
| CN101893686B (en) * | 2010-06-11 | 2012-10-24 | 河南电力试验研究院 | Digital radiography-based breaker operating characteristic on-line detection device and method |
| CN102269650A (en) * | 2011-05-06 | 2011-12-07 | 厦门Abb开关有限公司 | Online monitoring device of mechanical characteristics of vacuum circuit breaker |
| CN102355051A (en) * | 2011-07-21 | 2012-02-15 | 常州森隆电力科技有限公司 | On-line monitoring system of breaker and on-line monitoring method thereof |
| CN102565686A (en) * | 2011-12-07 | 2012-07-11 | 上海工程技术大学 | Embedded type intelligent vacuum circuit breaker for real-time monitoring |
| CN103633618A (en) * | 2013-10-26 | 2014-03-12 | 安徽龙波电气有限公司 | Electrified on-line monitoring and protecting device for intelligent high-voltage vacuum circuit breaker |
| CN106662616B (en) * | 2014-11-12 | 2019-05-10 | Abb瑞士股份有限公司 | Pivoting supporting structure and breaker |
| US10211018B2 (en) | 2014-11-12 | 2019-02-19 | Abb Schweiz Ag | Pivot supporting structure and circuit breaker |
| WO2016074171A1 (en) * | 2014-11-12 | 2016-05-19 | Abb Technology Ltd | Pivot supporting structure and circuit breaker |
| CN106662616A (en) * | 2014-11-12 | 2017-05-10 | Abb瑞士股份有限公司 | Pivot supporting structure and circuit breaker |
| CN104483116B (en) * | 2014-12-05 | 2017-07-28 | 北京合锐赛尔电力科技股份有限公司 | A kind of on-Line Monitor Device and method applied on intelligent ring main unit |
| CN104483116A (en) * | 2014-12-05 | 2015-04-01 | 北京合锐赛尔电力科技股份有限公司 | On-line monitoring device applied to intelligent ring main unit |
| CN104597398A (en) * | 2015-01-31 | 2015-05-06 | 哈尔滨理工大学 | Intelligent pluggable circuit breaker and monitoring and pre-warning system thereof |
| CN106092556A (en) * | 2016-08-17 | 2016-11-09 | 云南电网有限责任公司电力科学研究院 | A kind of chopper pallet action monitoring device and method |
| CN108133873A (en) * | 2018-01-17 | 2018-06-08 | 杭州之江开关股份有限公司 | Breaker under-voltage reclosing output device of the electrical signal and its operating method |
| CN108133873B (en) * | 2018-01-17 | 2024-03-19 | 杭州之江开关股份有限公司 | Circuit breaker undervoltage reclosing electric signal output device and operation method thereof |
| CN110703079A (en) * | 2019-10-15 | 2020-01-17 | 常熟理工学院 | Device for detecting attraction of recovery contactor |
| CN110687444A (en) * | 2019-11-07 | 2020-01-14 | 广东电网有限责任公司 | Device and method for testing switching-on and switching-off average speed of 10kV vacuum circuit breaker |
| CN111044896A (en) * | 2019-12-23 | 2020-04-21 | 云南恒协科技有限公司 | Strut type circuit breaker on-line monitoring system |
| CN116481795A (en) * | 2023-06-21 | 2023-07-25 | 成都汉度科技有限公司 | Sensor assembly for drop monitoring and drop-out fuse |
| CN116481795B (en) * | 2023-06-21 | 2023-08-29 | 成都汉度科技有限公司 | Sensor assembly for drop monitoring and drop-out fuse |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201465883U (en) | Medium voltage vacuum breaker with function of state on-line monitoring | |
| CN101515520B (en) | Intelligent self-diagnosis medium-pressure vacuum circuit breaker | |
| CN202126470U (en) | Power cable insulation online monitoring device | |
| CN107783034B (en) | Single-column type high-voltage isolating switch state online monitoring device and method | |
| CN109217468A (en) | A kind of intelligent terminal box and electricity consumption observing and controlling and auditing system | |
| CN108761277A (en) | A kind of cable and junction malfunction indicator and on-line monitoring system | |
| CN109724710A (en) | High-tension switch cabinet touch-screen type micro radio temperature monitoring device and monitoring method | |
| CN102323461A (en) | Unit multi-user intelligent electric energy meter box | |
| CN106768018B (en) | Site installs the on-line monitoring and diagnostic system and method for second power equipment | |
| CN204287418U (en) | A kind of circuit breaker switch state pick-up unit | |
| CN212007767U (en) | Power transformer mechanical state detection system | |
| CN216160816U (en) | Multi-loop power consumption detection monitoring control terminal | |
| CN207423261U (en) | A kind of terminal box real-time monitoring device and system | |
| CN207114676U (en) | The short circuit of EKL cable-types and earth-fault indicator | |
| CN206223901U (en) | A kind of fuse on-line monitoring system | |
| CN215261858U (en) | Power equipment state diagnostic device | |
| CN115113002A (en) | Distribution network visual comprehensive monitoring device based on transient current fault positioning | |
| CN213275792U (en) | Online measurement equipment for nuclear power station electric head parameters | |
| CN210803624U (en) | Fast-assembly live-line operation electric measurement Internet of things sensor | |
| CN207782378U (en) | A kind of novel intelligent electricity consumption monitoring protective device | |
| CN211121906U (en) | Circuit breaker mechanical characteristic on-line monitoring device based on multisensor | |
| CN208688687U (en) | A kind of information centralized processor | |
| CN113162057A (en) | Intelligent ammeter box and control method thereof | |
| CN110780232A (en) | Automatic change looped netowrk cabinet intelligent integrated on-line monitoring device | |
| CN111351999A (en) | Electronic intelligent equipment detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090323 |