CN201549436U - Novel monopole phase control permanent-magnet mechanism vacuum switch - Google Patents
Novel monopole phase control permanent-magnet mechanism vacuum switch Download PDFInfo
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- CN201549436U CN201549436U CN2009202456475U CN200920245647U CN201549436U CN 201549436 U CN201549436 U CN 201549436U CN 2009202456475 U CN2009202456475 U CN 2009202456475U CN 200920245647 U CN200920245647 U CN 200920245647U CN 201549436 U CN201549436 U CN 201549436U
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Abstract
The utility model provides a novel monopole phase control permanent-magnet mechanism vacuum switch which is used for industrial mine enterprises, power plants and electric power substations for controlling and protecting single phase alternating current capacitor load and electric inductance load, and in particular to a railway phase control permanent-magnet mechanism vacuum switch which is applicable to opening and closing, breaking and protection of high pressure traction lines of electrified railway traction electric power substations and switching station. The novel monopole phase control permanent-magnet mechanism vacuum switch utilizes a permanent-magnet mechanism as an operating mechanism, and realizes high precision brake closing of mechanical switches. The novel monopole phase control permanent-magnet mechanism vacuum switch comprises a vacuum arc extinguishing chamber with excellent insulation performance and arc extinguishing performance, and a permanent-magnet operating mechanism which has long service life and high reliability, and comprises a stroke excess spring and a brake separating spring, an electronic current mutual inductor integrally designed on the switch, and the like. The monopole phase control permanent-magnet mechanism vacuum switch integrates and utilizes switch technique, electric power technique, sensor technique electronic testing and control software project technique, adopts advanced permanent-magnet operating mechanisms, realizes reliability and stability of brake opening and closing of the switch, guarantees the accuracy of phase selection brake closing, and greatly improves the testing precision and working efficiency.
Description
Technical field
One pole phased permanent magnet mechanism vacuum switch of the present utility model relates to the high-voltage electrical equipment field, a kind of usefulness that is applicable to industrial and mining enterprises, power plant and electric substation's control and protection monophase ac capacitance load and inductive load; Close the pass that is particularly useful for traction substation of electric railway, switching station high pressure traction circuit, the phased permanent magnetism vacuum switch of railway of disjunction and protection.
Background technology
At present; the high-voltage switch gear of domestic 12KV and above electric pressure; an important problem is exactly when suiting inductive or capacity load; instantaneous voltage can occur and shove more greatly; this is not only unfavorable to the insulation system of power equipment; can cause that also protective device produces misoperation, influences the stability of electric power system.Moreover in electrical network, high-voltage switch gear adopts the spring energy-storage operating mechanism more, because its complicated in mechanical structure, parts are many, intermediate link is many, and in addition can not integral sealing, make and adhere to dirt or the serious operating mechanism of corrosion easily produces misoperation or " getting stuck " malfunctioning phenomenon, influence normal power supply; And the anti-fatigue performance of spring is poor, the life-span short (10, about 000 time), dispersed big, poor controllability of operating time, failure rate height, make power supply quality be subjected to very big influence in fail safe and reliability, the volume of switch of spring mechanism is big in addition, can not satisfy the novel switched requirement of big capacity, intellectuality, miniaturization development far away.Though the permanent magnet mechanism switch released of domestic market replaces spring mechanism in recent years, thereby, add that arc control device and inter-agency connecing in succession are difficult to guarantee the combined floodgate precision because of its excess of stroke spring and sluice separating spring have increased the switch whole height in the mechanism outside.
Summary of the invention
In order to overcome the shortcoming of prior art, one pole phased permanent magnet mechanism vacuum switch purpose of the present utility model is to overcome problems such as switch suited instability in the past, precision is low, dispersiveness is big, poor controllability, failure rate height, and a kind of novel one pole phased permanent magnet mechanism vacuum switch is provided.Its intelligent control module can make switch close at the designated phase place of system voltage waveform and close, implement synchronous break-make, the transient process of electric power system has been shortened in shoving and overvoltage when avoiding producing operation, improve the stability of the quality of power supply and electric power system, and guaranteed the precision of closing a floodgate; Vacuum interrupter directly is connected by insulated tension pole with permanent-magnet operating mechanism, the parts of original intermediate link have been reduced, excess of stroke spring and sluice separating spring design in the permanent magnet mechanism cavity, saved installation dimension, simplified the structure of switch, shortened the switch setting height(from bottom) greatly, made the life-span of switch reach 300, more than 000 time, guaranteed the fail safe and the reliability of switch on/off switch.
For achieving the above object, the utility model one pole phased permanent magnet mechanism vacuum switch is achieved by the following technical programs:
A kind of novel one pole phased permanent magnet mechanism vacuum switch mainly is made up of insulating cylinder, vacuum interrupter, insulated tension pole, permanent-magnet manipulating mechanism, electronic current mutual inductor and switch framework; The vacuum interrupter that is arranged in the insulating cylinder links to each other on same axis with the output shaft of permanent-magnet manipulating mechanism successively by insulated tension pole; Permanent-magnet manipulating mechanism is installed in the switch framework; Electronic current mutual inductor is fixed on the switch framework, and simultaneously electronic current mutual inductor is hollow is placed under the switch insulation tube on the outlet sleeve.
The utility model beneficial effect:
This one pole phased permanent magnet mechanism vacuum switch can be implemented in any electrical degree of customer requirements and close a floodgate, and can accurately control the phase angle of closing a floodgate.Combined floodgate stability reaches ± 0.3ms, has solved unstable, the problems such as precision is low, dispersiveness is big, poor controllability, failure rate height of switch combined floodgate in the past, helps improving the integral level that China's High-Voltage Electrical Appliances are made.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is a permanent-magnet manipulating mechanism structural representation in the utility model.
Fig. 3 is an electronic current mutual inductor structural representation in the utility model.
Embodiment
For further understanding feature, technological means and the specific purposes that reached, the function of the utility model one pole phased permanent magnet mechanism vacuum switch, describe in further detail below in conjunction with accompanying drawing and embodiment.
(1) one pole phased permanent magnet mechanism vacuum switch as shown in Figure 1, a kind of novel one pole phased permanent magnet mechanism vacuum switch, mainly by insulating cylinder 1, vacuum interrupter 2, insulated tension pole 3, permanent-magnet manipulating mechanism 4, electronic current mutual inductor 5, switch framework 6 is formed.The vacuum interrupter 2 that is arranged in the insulating cylinder 1 links to each other on same axis with permanent magnet mechanism output shaft 7 successively by insulated tension pole 3, and the required contact stage clip 16 of switch is built in the permanent-magnet operating mechanism cavity with sluice separating spring 14.Electronic current mutual inductor 5 is fixed on the switch framework 6, and simultaneously electronic current mutual inductor 5 is hollow is placed under the switch insulation tube on the outlet sleeve, promptly under the switch punching of outlet contact arm by current transformer 5, the direct measuring system primary side current of this instrument transformer signal.Be placed with contact stage clip 16 and sluice separating spring 14 in the operating mechanism cavity of this switch adapted, switch external is not established contact stage clip 16 and sluice separating spring 14.After intelligent cell receives the divide-shut brake control signal, the divide-shut brake electric current and voltage is put on the solenoid of permanent-magnet manipulating mechanism 4, produce electromagnetic force, promote the moving iron core of permanent-magnet manipulating mechanism 4, output shaft by permanent-magnet manipulating mechanism 4 drives 2 motions of insulated tension pole driving vacuum interrupter again, thereby drives the purpose that the arc control device moving contact is realized the switch divide-shut brake.The phased permanent magnet mechanism vacuum switch meets GB GB1984-2003 " high-voltage AC switches " and industry standard JB3855-1996, the switch master-plan is a handcart-type, vacuum interrupter is in the epoxy resins insulation tube, insulating cylinder is fixed on the switch framework, all the other parts (controller, permanent-magnet operating mechanism, electronic current mutual inductor, buffering lubricating cup etc.) also are fixed on the switch framework, switch framework is fixed by bolts on the dolly of chassis, so structure is firmly compact, is convenient to the handcart switch cabinet of packing into.
(2) novel Monostable permanent magnetism operating mechanism as shown in Figure 2, permanent-magnet manipulating mechanism mainly is made of mechanism output mandrel 7, banking stop 8, mechanism's fixed head 9, static iron core inner ring 10, solenoid 11, static iron core outer ring 12, moving unshakable in one's determination 13, sluice separating spring 14, permanent magnet 15, contact stage clip 16 etc.Permanent magnet 15 is fixed between static iron core inner ring 10 and the static iron core outer ring 12, and static iron core inner ring 10 and static iron core outer ring 12 are fixed by bolts on mechanism's fixed head 9.Design cavity at mechanism's static iron core inner ring 10 respectively with moving 13 inside center unshakable in one's determination and be used to place sluice separating spring 14 and contact stage clip 16.In operating process, give solenoid 11 lead-in wires by forward and reverse electric pulse current, solenoid 11 will produce the synthetic magnetic force in the magnetic field that is produced by the magnetic field of its foundation and permanent magnet 15 itself, promote moving iron core 13 componental movement of making a match, and connect by mechanism's output mandrel 7 drive switches, switch is done the on/off switch action.
(3) electronic current mutual inductor as shown in Figure 3, electronic current mutual inductor is by no iron core inductance coil 17, insulation column 18, integral amplifier 19 3 parts are formed, the hidden danger of have no magnetic saturation, frequency response range is wide, transient characterisitics good, insulation system simply, does not exist second open circuit or short circuit etc., can export with digital signal, fundamentally solved the additive error that instrument transformer is produced in the current signal transmission course, help transformer station and realize data sharing, can satisfy the automation of transformation substations demand of higher degree.
Products characteristics:
Switch adopts phase control closing technology, microelectric technique and permanent magnet mechanism technology, and these technology are combined application, adopt simultaneously vacuum degree high (≤1 * 10-3Pa) vacuum interrupter has the following advantages:
A) sealing-in formula pottery or glass evacuated arc control device in the middle of the switch adapted, adopt contact material of chrome copper alloy, the cup shape and longitudinal magnetic field structure of contact terminal, the electrical wear speed of its contact is little, and electric life is long, the withstand voltage level height of contact, the medium dielectric strength is stable, recover rapidly behind the arc, Chopping Current is low, and connecting-disconnecting function is strong;
B) adopt permanent-magnet manipulating mechanism, keep by permanent magnet suction in "on" position, only need be when sub-switching operation to the logical little electric current of pulse of coil, energy consumption is low, and is rational in infrastructure, and transmission is simple, and motion is steadily closed a floodgate reliably.
C) switching control section is the controller of all-electronin control type, can realize the accurate control to motion parts, and secondary line is simple, and volume is little, and cost is low;
D) (excess of stroke spring of conventional switch and sluice separating spring were in the mechanism outside inside the contact stage clip of switch and sluice separating spring designed in the permanent magnet mechanism cavity, installation dimension is big), permanent magnet mechanism directly is connected by insulated tension pole with vacuum interrupter, shortened the distance of motion parts, avoid making the mechanism shaft bending influence the on/off switch of switch because of disalignment up and down, improve switch mechanical endurance and reliability, reached the purpose of few maintenance, freedom from repairs.
E) permanent-magnet manipulating mechanism has simple in structurely, and the life-span is long, the advantage that reliability is high.Because permanent-magnet operating mechanism adopts the electronic logic module controls, and by power electronic element in real time the exciting current of operating coil influence operating characteristics, it provides the operating mechanism platform of a high flexible.Based on this platform, by different control system, can realize closing closing operation fast synchronously, realize the integrated and intelligent of height.Along with the further raising of electronic devices and components reliability, the application that permanent-magnet manipulating mechanism will be more extensively and profoundly.
Particularly the utility model has guaranteed the effect that it is excellent with the employing of lower member:
1, adopts the high performance and long service life vacuum interrupter.This vacuum interrupter makes the phased permanent magnet mechanism vacuum switch have excellent insulation property and arc extinction performance.Arc control device are installed in the epoxy resins insulation tube, can prevent that not only vacuum interrupter is subjected to the destruction of external factor, and can improve the external insulation level of arc control device; Arc control device adopt contact material of chrome copper alloy, the cup shape and longitudinal magnetic field structure of contact terminal, and the electrical wear speed of its contact is little, and electric life is long, the withstand voltage level height of contact, the medium dielectric strength is stable, recovers rapidly behind the arc, and Chopping Current is low, and connecting-disconnecting function is strong.Adopt the vacuum interrupter of condition of high vacuum degree to come blow-out and insulation, compare with other medium and to have the dielectric strength height, the fireballing characteristics of medium recovery, the bellows of vacuum interrupter is through special processing in addition, and adopting synchronously simultaneously, the pass technology of closing has improved machinery and electrical endurance greatly.
2, adopt the permanent-magnet manipulating mechanism of built-in contact stage clip and sluice separating spring.The permanent-magnet manipulating mechanism design that breaks traditions is positioned over the contact stage clip and the sluice separating spring of vacuum switch in mechanism's cavity, has shortened the switch installation dimension, has simplified the installing component of switch.Switch keeps by permanent magnet suction in "on" position, only needs when sub-switching operation the logical little electric current of pulse of coil; Energy consumption is low, and motion steadily.The permanent-magnet manipulating mechanism control section is all-electronin control, can realize the accurate control to motion parts, and it is simple to connect circuit, and volume is little.
3, intelligent cell.High performance unit can be according to the voltage signal of outside input as reference signal, and control phased permanent magnet mechanism vacuum switch is in time accurately finished the divide-shut brake of switch preestablishing voltage-phase (electrical degree).
4, electronic current mutual inductor.The hidden danger that electronic current mutual inductor has no magnetic saturation, frequency response range is wide, transient characterisitics good, insulation system simply, does not exist second open circuit or short circuit etc., can export with digital signal, direct measuring system primary side current, and this signal is offered intelligent cell, do the usefulness of analysis.
In sum, the present invention is preferred embodiment, and the present invention as above-mentioned patent specification and graphic content, makes sample and through use test, proves really to reach its purpose of expecting and effect that practical value is unquestionable.
Above illustrated embodiment is only with for conveniently illustrating the present invention, be not that the present invention is done any pro forma restriction, can not with the scope of qualification the invention process, have in the technical field under any and know the knowledgeable usually, if in the scope that does not break away from technical characterictic that the present invention carries, utilize disclosed technology contents to do the local equivalent embodiment that changes or modify, and do not break away from technical characterictic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (2)
1. a novel one pole phased permanent magnet mechanism vacuum switch mainly is made up of insulating cylinder (1), vacuum interrupter (2), insulated tension pole (3), permanent-magnet manipulating mechanism (4), electronic current mutual inductor (5) and switch framework (6); The vacuum interrupter (2) that it is characterized in that being arranged in the insulating cylinder (1) links to each other on same axis with the output shaft 7 of permanent-magnet manipulating mechanism (4) successively by insulated tension pole (3); Permanent-magnet manipulating mechanism (4) is installed in the switch framework (6); Electronic current mutual inductor (5) is fixed on the switch framework (6), and simultaneously electronic current mutual inductor (5) is hollow is placed under the switch insulation tube (1) on the outlet sleeve.
2. novel one pole phased permanent magnet mechanism vacuum switch according to claim 1 is characterized in that: be placed with contact stage clip (16) and sluice separating spring (14) in permanent-magnet manipulating mechanism (4) cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202456475U CN201549436U (en) | 2009-11-26 | 2009-11-26 | Novel monopole phase control permanent-magnet mechanism vacuum switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202456475U CN201549436U (en) | 2009-11-26 | 2009-11-26 | Novel monopole phase control permanent-magnet mechanism vacuum switch |
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| CN201549436U true CN201549436U (en) | 2010-08-11 |
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| CN2009202456475U Expired - Fee Related CN201549436U (en) | 2009-11-26 | 2009-11-26 | Novel monopole phase control permanent-magnet mechanism vacuum switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244100A (en) * | 2019-07-04 | 2019-09-17 | 浙江深华颖智能科技有限公司 | A kind of intelligent depth fusion switch and its production equipment |
-
2009
- 2009-11-26 CN CN2009202456475U patent/CN201549436U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244100A (en) * | 2019-07-04 | 2019-09-17 | 浙江深华颖智能科技有限公司 | A kind of intelligent depth fusion switch and its production equipment |
| CN110244100B (en) * | 2019-07-04 | 2024-06-14 | 浙江深华颖智能科技有限公司 | Intelligent deep fusion switch and production equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHAANXI KERUI BAOTONG PERMANENT MAGNETIC SWITCH CO Free format text: FORMER OWNER: BAOJI SYNCHRONOUS ELECTRICAL APPLIANCE CO., LTD. Effective date: 20110920 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 721006 BAOJI, SHAANXI PROVINCE TO: 712000 XIANYANG, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110920 Address after: 712000 enterprise research and development center, Tsinghua Science and technology zone, Xianyang, Shaanxi, No. 4 Patentee after: Shaanxi CREE same permanent magnet switch Co., Ltd. Address before: 721006 No. 13 Ying Da Road, hi tech Zone, Shaanxi, Baoji Patentee before: Baoji Synchronous Electrical Appliance Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: BAOJI SYNCHRONOUS ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: SHAANXI CREAT BAOTONG PERMANENT MAGNETIC SWITCH CO., LTD. Effective date: 20130306 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 712000 XIANYANG, SHAANXI PROVINCE TO: 721006 BAOJI, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130306 Address after: 721006 No. 13 Ying Da Road, hi tech Development Zone, Shaanxi, Baoji Patentee after: Baoji Synchronous Electrical Appliance Co., Ltd. Address before: 712000 enterprise research and development center, Tsinghua Science and technology zone, Xianyang, Shaanxi, No. 4 Patentee before: Shaanxi CREE same permanent magnet switch Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20181126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |