CN203859056U - Intelligent vacuum circuit breaker - Google Patents
Intelligent vacuum circuit breaker Download PDFInfo
- Publication number
- CN203859056U CN203859056U CN201420283501.0U CN201420283501U CN203859056U CN 203859056 U CN203859056 U CN 203859056U CN 201420283501 U CN201420283501 U CN 201420283501U CN 203859056 U CN203859056 U CN 203859056U
- Authority
- CN
- China
- Prior art keywords
- circuit
- circuit breaker
- signal
- intelligent
- chip
- 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 - Fee Related
Links
Abstract
An intelligent vacuum circuit breaker comprises a vacuum circuit breaker unit and is characterized in that the intelligent vacuum circuit breaker further comprises an intelligent controller; the intelligent controller comprises a computer main control circuit serving as a core part; the computer main control circuit is connected with a signal detecting circuit, a switching-on and switching-off driving circuit, a serial port communication circuit and a fault display circuit; and the serial port communication circuit is connected with an I2C storage circuit and an outer interface circuit. The intelligent vacuum circuit breaker is provided with the functions such as self-diagnosis, automatic protection, early maintenance and information transfer and is capable of detecting whether each parameter of the circuit breaker is in accord with technical requirements when the vacuum circuit breaker is put into operation, so that various faults caused by parameter changes in the operation process of the circuit breaker are avoided, power failures caused by the circuit breaker faults are avoided for a power supply system, and serious production and equipment accidents caused by the power failures are avoided. The intelligent vacuum circuit breaker is simple in structure, convenient to operate and maintain, low in manufacturing cost and reliable in operation, and the intelligent vacuum circuit breaker can be widely applied to fields of power generation, power transformation and 3-35 KV electric power systems of power consumption enterprises.
Description
Technical field
The utility model relates to vacuum circuit-breaker, is a kind of intelligent vacuum circuit breaker.
Background technology
Vacuum circuit-breaker is the visual plant that plays control and protective effect in power system operation; also be unique equipment of realizing electric function with mechanical movement in power transmission and transforming equipment; the primary substation in power plant in power construction, the enterprises such as all kinds of transformer stations of power grid construction and power transmission engineering and metallurgy, mine, oil all need a large amount of high voltage switchgears.Existing vacuum circuit-breaker function singleness; only has cut-out function; when putting into operation, control loop is not had autodiagnosis, automatically protects, safeguarded in early days and information transfer function, can not meet generating, power transformation and the requirement of the 3-35KV of electricity consumption enterprise electric power system to vacuum circuit-breaker.
Summary of the invention
Technical problem to be solved in the utility model is, overcome the deficiencies in the prior art, the circuit of existing simple function is organically combined and improved, provide a kind of intelligent degree high, rational in infrastructure, convenient operating maintenance, reliable, multiple functional, the intelligent vacuum circuit breaker of applied range.
Solving the technical scheme that its technical problem adopts is: a kind of intelligent vacuum circuit breaker, comprise vacuum circuit-breaker, it is characterized in that, also comprise intelligent controller, described intelligent controller comprises that computer governor circuit is core component, computer governor circuit is connected with signal deteching circuit, on/off switch drive circuit, serial communication circuit, fault display circuit respectively, serial communication circuit respectively with I
2c memory circuit is connected with external interface circuit.
The micro-chip processor CPU of described computer governor circuit adopt have control open into, output the microprocessor of 16 bit with the MB90F548G of Fujitsu of communication function.
Described signal deteching circuit comprises that switching signal circuit, sub-gate signal circuit, closing position signal circuit, open position signal circuit and under-voltage detection signal circuit are connected with the input of the micro-chip processor CPU of computer governor circuit respectively, switching signal circuit, sub-gate signal circuit, closing position signal circuit, open position signal circuit are identical with the structure of under-voltage detection signal circuit, include resistance and are connected with optocoupler.
Described on/off switch drive circuit comprises that combined floodgate drive circuit and separating brake drive circuit are all connected with the output of the micro-chip processor CPU of computer governor circuit, and combined floodgate drive circuit is identical with the structure of separating brake drive circuit, and driving the model of chip is M57962AL.
Described serial communication circuit comprises optocoupler U14 and serial port chip U2, by optocoupler U14 output output signal, be connected to the input signal end of serial port chip U2, serial port chip U2 is connected with the micro-chip processor CPU of computer governor circuit, output signal as serial port chip U2, the model of serial port chip U2 is MAX3232, and the model of optocoupler U14 is TLP521.
Described I
2the model of the storage chip U3 of C memory circuit is 24C64, is micro-chip processor CPU storage and the transmission data of computer governor circuit.
Described fault display circuit comprises closing operation fault display circuit, sub-switching operation fault display circuit, under-voltage detection failure display circuit and the position of the switch fault display circuit that structure is identical.
Intelligent breaker of the present utility model compared with prior art; owing to adopting contactless element and intelligent controller to match; when putting into operation, there is autodiagnosis, automatically protection, safeguard and the function such as information transmission in early days; whether control loop parameters when putting into operation that can detect circuit breaker meets specification requirement; both avoided due to parameter, changing the generation of caused various faults because circuit breaker is in operation, avoided again because circuit breaker failure causes and has a power failure and because the generation of great production and the equipment breakdown of causing that have a power failure to electric power system.The present invention has simple in structure, operation, easy to maintenance, and the advantage such as cost is low, reliable, is widely used in the 3-35KV electric power system of generating, power transformation and electricity consumption enterprise, and alternative all vacuum circuit-breakers.
Accompanying drawing explanation
Fig. 1 is intelligent vacuum circuit breaker structural representation of the present utility model;
Fig. 2 is that schematic diagram is looked on the right side of Fig. 1;
Fig. 3 is power circuit 3 schematic diagrams of intelligent controller 16;
Fig. 4 is computer governor circuit 4 schematic diagrams of intelligent controller 16;
Fig. 5 is signal deteching circuit 5 schematic diagrams of intelligent controller 16;
Fig. 6 is on/off switch drive circuit 6 schematic diagrams of intelligent controller 16;
Fig. 7 is serial communication circuit 7 schematic diagrams of intelligent controller 16;
Fig. 8 is the I of intelligent controller 16
2c memory circuit 8 schematic diagrams;
Fig. 9 is external interface circuit 9 schematic diagrams of intelligent controller 16;
Figure 10 is fault display circuit 10 schematic diagrams of intelligent controller 16;
Figure 11 is intelligent controller 16 schematic block circuit diagram.
In figure: 3 power circuits, 4 computer governor circuits, 5 signal deteching circuits, 5-1 is under-voltage detection signal circuit, 5-2 sub-gate signal circuit, 5-3 switching signal circuit, 5-4 open position signal circuit, 5-5 closing position signal circuit, 6 on/off switch drive circuits, 6-1 combined floodgate drive circuit, 6-2 separating brake drive circuit, 7 serial communication circuits, 8 I
2c memory circuit, 9 external interface circuits, 10 fault display circuits, 10-1 closing operation fault show circuit, 10-2 sub-switching operation fault show circuit, 10-3 is under-voltage detection failure show circuit, 10-4 position of the switch fault display circuit, 11 housings, 12 chargers, 14 close a minute indicating device, 15 permanent-magnet manipulating mechanisms, 16 intelligent controllers, 18 umbilical connectors, 19 auxiliary switches, 20 hands close handle, 21 counters, 22 spline spindles, 23 oil bumpers, 24 tripping springs, 25 insulators, 26 insulator pull bars, 27 transmission crank arm, 28 connecting plates, 29 main connecting levers, 30 mechanism's connecting plates, 31 manual switching-off devices.
Embodiment
The utility model is described in further detail to utilize drawings and Examples below.
With reference to Fig. 1, Fig. 2 and Figure 11, intelligent vacuum circuit breaker of the present utility model consists of two large divisions, and vacuum circuit-breaker is identical with the vacuum circuit breaker constructions of prior art, and intelligent controller 16 is core content of the present invention.Vacuum circuit-breaker is included in the permanent-magnet manipulating mechanism 15 arranging on housing 11, the moving armature of permanent-magnet manipulating mechanism 15 and mechanism's connecting plate 30 are hinged, mechanism's connecting plate 30 is hinged with main connecting lever 29, main connecting lever 29 is hinged with connecting plate 28, connecting plate 28 is hinged with transmission crank arm 27, and transmission crank arm 27 is hinged with insulator pull bar 26.Open position: through mechanism connecting plate 30 drive main connecting lever 29 while moving downward under the effect in electromagnetic force of the moving armature of permanent magnet mechanism 15, take spline spindle 22 as rotational support, through connecting plate 28, act on transmission crank arm 27 again, transmission crank arm 27 acts on insulator pull bar by the motion of bearing pin pivot point lever, insulator pull bar is moved upward and act on vacuum interrupter.During closing position, when moving upward under the effect of electromagnetic force, the moving armature of permanent magnet mechanism 15 drives main connecting lever 19 through mechanism's connecting plate 20, take high accuracy splined shaft 12 as rotational support, through connecting plate 18, act on transmission crank arm 27 again, transmission crank arm 27 acts on insulator pull bar 26 by the motion of bearing pin pivot point lever, insulator pull bar 26 is moved downward and act on vacuum interrupter.During open position, the moving armature that makes insulator pull bar 26, transmission crank arm 27, connecting plate 18, main connecting lever 19, mechanism's connecting plate 20, permanent magnet mechanism 15 at the elastic force of oppositely electric power, combined floodgate touch spring and tripping spring 24 energy storage is return successively.Also be provided with manual switching-off device 31 for the emergency opening operation in secondary operation power failure situation.
Intelligent controller 16 is placed on the housing of vacuum circuit-breaker, intelligent controller 16 comprises that computer governor circuit 4 is for core component, computer governor circuit 4 is connected with signal deteching circuit 5, on/off switch drive circuit 6, serial communication circuit 7, fault display circuit 10 respectively, serial communication circuit 7 respectively with I
2c memory circuit 8 is connected with external interface circuit 9.
With reference to Fig. 3, the power circuit 3 of intelligent controller 16 comprises AC/DC universal power module XR25/5-24, DC-DC power module SR5S5,3.3V voltage stabilizing chip AS2815.External power source, filter capacitor C21-C23, inductance L 1, XR25/5-24 input are electrically connected to; output output dual path isolation stabilized voltage power supply 5V and 24V; 5V power supply, filter capacitor C24, C25, inductance L 2, SR5S5 isolation stabilized voltage power supply input are electrically connected to; output, filter capacitor C28-C30, inductance L 4 are electrically connected to output DC3.3V, and diode D13 oppositely accesses AS2815 input/output terminal and plays a protective role.The principle of work and power: this distributed electrical source power supply system can be changed input signal output.Input, output and working power three isolate mutually, and every part power supply is separately for each self-loop provides power supply, even if a road power failure can not affect the normal operation of other partial circuits, makes the more safe and reliable work of system.XR25 output 5V is U2-U5 after capacitor C 15-C20 filtering, U10-U17 power supply, and the micro-chip processor CPU for computer governor circuit 4 provides power supply signal simultaneously; 24V is separately for IGBT driver module is powered in output; AS2815 output 3.3V power supply aims at the micro-chip processor CPU power supply of computer governor circuit 4.
With reference to Fig. 4, the computer governor circuit 4 of intelligent controller 16 comprises that micro-chip processor CPU and peripheral circuit form.As micro-chip processor CPU and the whole photoelectricity isolation of peripheral total interface of computer governor circuit 4 cores of intelligent controller 16, actuating force is strong, and reliability is high.Computer governor circuit 4 adopts large capacity IGBT, and crest voltage can reach 600V, and peak current can reach 160A, and with resistance-capacitance absorption.Intelligent controller 16 adopts passive or active opening into voltage, photoelectricity isolation, and antijamming capability is strong.Intelligent controller 16 all adopts technical grade raw material, guarantee to use in equipment wide temperature range,-40 ℃-+70 ℃, the micro-chip processor CPU of computer governor circuit 4 adopts the microprocessor of 16 bit of the MB90F548G of Fujitsu, by micro-chip processor CPU control respectively open into, output, communicate by letter.26,27 pin of the micro-chip processor CPU of computer governor circuit 4 are electrically connected to external crystal-controlled oscillation Y1; 37,38,63,64,89,90 pin respectively with filter capacitor C9, C10, C11, C12, C13, C14 are electrically connected to; 62 pin are electrically connected to the VIN2 pin of U14; 61 pin are electrically connected to 12 pin of U2; 60 pin are electrically connected to 7 pin of U3; 59 pin are electrically connected to 8 pin of U3; 58 pin are electrically connected to the VIN1 pin of U4; 56 pin are electrically connected to the VIN1 pin of U16; 55 pin are electrically connected to the VIN1 pin of U17; 98 pin are electrically connected to R14; 97 pin are electrically connected to the VIN1 pin of U10; 96 pin are electrically connected to R19; 95 pin are electrically connected to the VIN1 pin of U12; 94 pin are electrically connected to the VIN1 pin of U15; 93 pin are electrically connected to the VIN1 pin of U5; 36 pin are electrically connected to LED3; 35 pin are electrically connected to LED4's; 34 pin are electrically connected to LED5; 33 pin are electrically connected to LED6.
With reference to Fig. 5, the signal deteching circuit 5 of intelligent controller 16 comprises switching signal circuit 5-3, sub-gate signal circuit 5-2, closing position signal circuit 5-5, open position signal circuit 5-4 and under-voltage detection signal circuit 5-1.Described switching signal circuit 5-3 is identical with the structure of sub-gate signal circuit 5-2, closing position signal circuit 5-5, open position signal circuit 5-4, the switching signal circuit 5-3 of take is example, it comprises that switching signal is electrically connected to optocoupler U16 input VIN1 through resistance R 27,5V power supply is electrically connected to optocoupler U16 output VOC through resistance R 26, and VIN2 and output VOE be ground connection respectively.When switching signal 5-3 obtains electric, by resistance R 27, form loop with optocoupler U16 input VL1 and VL2, and make optocoupler U16 output, now output VOC and VOE form loop, make VOC end become from high level the IO mouth that low level signal sends the micro-chip processor CPU of computer governor circuit 4 to, i.e. 56 pin, carry out signal processing by the micro-chip processor CPU of computer governor circuit 4; Under-voltage detection signal circuit 5-1 is electrically connected to and is formed by diode D1, resistance R 6, optocoupler U4; suitably adjust the resistance size of R6; just the threshold voltage of under-voltage protecting circuit can be set easily; input VL1 and VL2 once supply voltage lower than the optocoupler U4 of threshold voltage under-voltage protecting circuit 5-1 disconnect; thereby make output form open circuit; VOC end output high level signal is given the IO mouth of the micro-chip processor CPU of computer governor circuit 4; i.e. 58 pin, carry out signal processing by the micro-chip processor CPU of computer governor circuit 4.
With reference to Fig. 6, the combined floodgate drive circuit 6-1 of the intelligent controller 16 of intelligent controller 16 is identical with the circuit connection structure of separating brake drive circuit 6-2, the combined floodgate drive circuit 6-1 of take is example: driving chip U11 is M57962AL, they are 13 years old, 14 pin are control signal end, 5V is electrically connected to IO mouth 14 pin of the micro-chip processor CPU of computer governor circuit 4 through LED 1, resistance R 4 and triode Q1 are electrically connected to IO mouth 13 pin of the micro-chip processor CPU of access computer governor circuit 4, when 98 pin of the micro-chip processor CPU of computer governor circuit 4 are sent low level signal, + 5V, LED 1, triode Q1, GND forms loop, the access of+24V both positive and negative polarity drives 4,6 pin of chip U11, by the pressure regulation protective circuit that formed by capacitor C 32, C33, voltage-stabiliser tube D3-D7, resistance R 15, the R16 stable output required power supply+14V of IGBT and-10V, drive IGBT, insulated gate bipolar transistor Q3 carries out work.IGBT drives and adopts modular to drive, and driving chip M57962AL is the thick film integrated circuit of Japanese mitsubishi electric for driving IGBT module to design.The operating voltage of its driver is 24V.At the photoelectrical coupler of the high isolated high voltage of the inner integrated 2500V of driver module, overcurrent protection electric current and overcurrent protection terminal, have closure short-circuit protection function.Driving chip M57962AL is a high-speed driving circuit, and driving time is only 1.5us.
With reference to Fig. 7, the serial communication circuit 7 of intelligent controller 16 comprises the signal isolation circuit that resistance R 3, optocoupler U14 and resistance R 2 form, 11 pin that are connected to serial port chip U2 by optocoupler U14 output output signal are as input signal end, the IO mouth of 12 pin of serial port chip U2 and the micro-chip processor CPU of computer governor circuit, 56 pin are connected, as the output signal of serial port chip U2, thereby make the micro-chip processor of host computer and computer governor circuit carry out two-way communication; The be electrically connected to form peripheral circuit of the normal work of serial port chip U2 of capacitor C 4-C8 and serial port chip U2.Serial port chip U2 is MAX3232; Optocoupler U14 is TLP521, and the signal transmission that it acts between circuit, makes it front end and load is isolated completely, and object is to increase fail safe, reduces circuit and disturbs, and simplifies circuit design.Isolation voltage reaches 2500 Vrms, meets system needs completely.
With reference to Fig. 8, the I of intelligent controller 16
2c memory circuit 8 comprises that resistance R 4, R5, storage chip U3 form electrical connection, and resistance R 4, R5 are used as pull-up resistor, guarantees the correctness of signal transmission.The significant data of needs storage, 7,8 pin by storage chip U3 deposit in storage chip U3 the micro-chip processor CPU of computer governor circuit 4.Thereby significant data is preserved the in the situation that of dead electricity, and when the micro-chip processor CPU of computer governor circuit 4 needs these data, then the micro-chip processor CPU to computer governor circuit 4 transmits by 7,8 pin of storage chip U3.Storage chip U3 model is that 24C64 is the memory device based on I2C-BUS, follows two-wire system agreement, and it is convenient that it has interface, volume is little, data power down such as does not lose at the feature, can store 64K byte data, in instrument and meter and industrial automatic control, gets a lot of applications.
With reference to Fig. 9, the external interface circuit 9 of intelligent controller 16 comprises switching signal, sub-gate signal, on/off switch signal common port altogether, auxiliary switch HQ+, auxiliary switch TQ+, power switch HQ, separating brake power supply TQ, on/off switch power supply common port HQ-, TQ-, supply voltage 220V, power supply ground VGND.On/off switch signal common port, on/off switch power supply common port and power supply the common ground that is connected; The earth is connected to circuit breaker metal shell; Switching signal is electrically connected to switching signal circuit 5-3; Sub-gate signal is electrically connected to sub-gate signal circuit 5-2; Auxiliary switch HQ+ is electrically connected to closing position signal circuit 5-5; Auxiliary switch TQ+ is electrically connected to open position signal circuit 5-4; Power switch HQ is electrically connected to combined floodgate drive circuit 6-1; Separating brake power supply TQ is electrically connected to separating brake drive circuit 6-2.
With reference to Figure 10, the fault display circuit 10 of intelligent controller 16 comprises 36 pin of the micro-chip processor CPU of DC5V, resistance R 30, LED 3, the computer governor circuit 4 closing operation fault display circuit 10-1 that is electrically connected to form; 35 pin of the micro-chip processor CPU of DC5V, resistance R 31, LED 4, the computer governor circuit 4 sub-switching operation fault display circuit 10-2 that is electrically connected to form; 34 pin of the micro-chip processor CPU of DC5V, resistance R 32, LED 5, the computer governor circuit 4 under-voltage detection failure display circuit 10-3 that is electrically connected to form; 33 pin of the micro-chip processor CPU of DC5V, resistance R 33, LED 6, computer governor circuit 4 position of the switch fault display circuit 10-4 that is electrically connected to form.The structure of above 4 fault display circuits is identical, the closing operation fault display circuit 10-1 closing operation fault show circuit of take is example: when the 36 pin output low level of the micro-chip processor CPU of computer governor circuit 4, fault display lamp, be that light-emitting diode lights, the position that facilitates alert fault to occur.
Intelligent controller function of the present utility model is as follows:
(1) on/off switch abbreviated functional description: after having outside on/off switch signal access to plant, the micro-chip processor CPU of computer governor circuit 4 judges the correctness of signal, if correctly from controlling pin output through optocoupler, drive the conducting of IGBT gate pole, thereby make the coil energized circuit conducting of breaker permanent magnet control mechanism 15 carry out on/off switch operation;
(2) open into function: open into function and mainly refer to switch position signal and manual opening-closing order, after collecting by switch auxiliary contact, by light every, enter the position of the micro-chip processor CPU identification switch of computer governor circuit 4;
(3) communication function: carry RS232 serial communication interface, can directly be connected with computer, under host computer debugging software, its parameter and definite value are arranged.The baud rate of communication is made as 9600;
(4) fault display circuit comprises closing operation fault display circuit, sub-switching operation fault display circuit, under-voltage detection failure display circuit and position of the switch fault display circuit.Can realize respectively that closing operation is unsuccessful, sub-switching operation is unsuccessful, alarm when abnormal of under-voltage detection failure and the position of the switch;
(5) anti-bouncing function: when the state that switch knob is pressed and continue to be kept pressing, device can close a floodgate after collecting the order of closing a floodgate immediately, but device still having detected the order existence of closing a floodgate after a delay time.Intelligent controller in this time driving switch separating brake immediately.
Intelligent vacuum circuit breaker of the present utility model has: rapidity adds the effect of reliability, make vacuum circuit-breaker control loop all in the monitoring state, no matter vacuum circuit-breaker at the voltage of closing position or its control circuit of open position all among monitoring, as long as changing, parameters surpasses set point, device itself just passes through voice, light mode is notified operating personnel, thereby avoided only after circuit breaker breaks down, keeping in repair or changing phenomenon, greatly extended the useful life of vacuum circuit-breaker, also stopped the large economic loss of tool that the generation because of vacuum circuit-breaker internal fault causes to user.
The fault that intelligent vacuum circuit breaker of the present utility model can look-ahead occurs possibly, and before occurring, fault notify user to carry out ahead of time maintenance and repair with the form of voice and light, if user does not process, when parameter reaches set point, intelligent controlling device is out of service from being about to circuit breaker.Thereby avoided the generation of major accident.
Claims (7)
1. an intelligent vacuum circuit breaker, comprise vacuum circuit-breaker, it is characterized in that, also comprise intelligent controller, described intelligent controller comprises that computer governor circuit is core component, computer governor circuit is connected with signal deteching circuit, on/off switch drive circuit, serial communication circuit, fault display circuit respectively, serial communication circuit respectively with I
2c memory circuit is connected with external interface circuit.
2. intelligent vacuum circuit breaker according to claim 1, is characterized in that, the micro-chip processor CPU of described computer governor circuit adopt have control open into, output the microprocessor of 16 bit with the MB90F548G of Fujitsu of communication function.
3. intelligent vacuum circuit breaker according to claim 1, it is characterized in that, described signal deteching circuit comprises that switching signal circuit, sub-gate signal circuit, closing position signal circuit, open position signal circuit and under-voltage detection signal circuit are connected with the input of the micro-chip processor CPU of computer governor circuit respectively, switching signal circuit, sub-gate signal circuit, closing position signal circuit, open position signal circuit are identical with the structure of under-voltage detection signal circuit, include resistance and are connected with optocoupler.
4. intelligent vacuum circuit breaker according to claim 1, it is characterized in that, described on/off switch drive circuit comprises that combined floodgate drive circuit and separating brake drive circuit are all connected with the output of the micro-chip processor CPU of computer governor circuit, combined floodgate drive circuit is identical with the structure of separating brake drive circuit, and driving the model of chip is M57962AL.
5. intelligent vacuum circuit breaker according to claim 1, it is characterized in that, described serial communication circuit comprises optocoupler U14 and serial port chip U2, by optocoupler U14 output output signal, be connected to the input signal end of serial port chip U2, serial port chip U2 is connected with the micro-chip processor CPU of computer governor circuit, as the output signal of serial port chip U2, the model of serial port chip U2 is MAX3232, and the model of optocoupler U14 is TLP521.
6. intelligent vacuum circuit breaker according to claim 1, is characterized in that, described I
2the model of the storage chip U3 of C memory circuit is 24C64, is micro-chip processor CPU storage and the transmission data of computer governor circuit.
7. intelligent vacuum circuit breaker according to claim 1, it is characterized in that, described fault display circuit comprises closing operation fault display circuit, sub-switching operation fault display circuit, under-voltage detection failure display circuit and the position of the switch fault display circuit that structure is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283501.0U CN203859056U (en) | 2014-05-30 | 2014-05-30 | Intelligent vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283501.0U CN203859056U (en) | 2014-05-30 | 2014-05-30 | Intelligent vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859056U true CN203859056U (en) | 2014-10-01 |
Family
ID=51608898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420283501.0U Expired - Fee Related CN203859056U (en) | 2014-05-30 | 2014-05-30 | Intelligent vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971984A (en) * | 2014-05-30 | 2014-08-06 | 吉林瀚丰电气有限公司 | Intelligent vacuum circuit breaker |
-
2014
- 2014-05-30 CN CN201420283501.0U patent/CN203859056U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971984A (en) * | 2014-05-30 | 2014-08-06 | 吉林瀚丰电气有限公司 | Intelligent vacuum circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107171431B (en) | Uninterrupted power regulating equipment, uninterrupted power regulating system and uninterrupted power regulating control method | |
| CN103441508A (en) | Multipurpose low-voltage intelligent capacitor | |
| CN202735457U (en) | Device for detecting state of temporary ground wire | |
| CN204631220U (en) | A kind of breaker operating characteristic on-Line Monitor Device | |
| CN103971984A (en) | Intelligent vacuum circuit breaker | |
| CN203859056U (en) | Intelligent vacuum circuit breaker | |
| CN204696029U (en) | Monostable permanent magnetic mechanism controller and there is its vacuum circuit-breaker | |
| CN203812798U (en) | Distribution network system pole-mounted vacuum circuit breaker additionally provided with electronic position display device | |
| CN203761134U (en) | ATS-based dual power source station electricity consumption wire inlet screen for wind electric power generating field | |
| CN102664122B (en) | Controller for vacuum-breaker permanent-magnet operating mechanism | |
| CN102683111A (en) | Intelligent composite AC contactor | |
| CN205666214U (en) | Rapid interrupter type circuit breaker | |
| CN204835696U (en) | Switching of power device based on DCS | |
| CN201813165U (en) | Intelligent control and protection compound switch | |
| CN202649754U (en) | Novel electric operation control device | |
| CN202888715U (en) | Switch-cabinet control unit and switch cabinet | |
| CN203367136U (en) | Controller with permanent-magnet mechanism | |
| CN202585180U (en) | Circuit breaker interlocking mechanism | |
| CN203466121U (en) | Large current output intelligence control device used for electromagnetic thrust actuating mechanism | |
| CN106410658B (en) | A kind of electronic type of distribution terminal is anti-jump and switching on and off monitoring arrangement | |
| CN205900465U (en) | Miniature circuit breaker | |
| CN205159233U (en) | But circuit breaker of hot plugging controller | |
| CN205844398U (en) | High-voltage fence false alarm prevention device | |
| CN203504136U (en) | Novel breaker | |
| CN203589834U (en) | Alternating current main standby power supply intelligent switching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20190530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |