CN105680362B - A kind of permanent magnet type vacuum circuit-breaker - Google Patents

Abstract

The invention discloses gas-filling cabinet sealing insulation vacuum breaker, belong to vacuum high-pressure field of circuit breakers.The breaker includes Shell of circuit breaker, breaker body, operating mechanism and control module, further includes basement, breaker chamber, measuring room, control room, and bus-bar room；Basement, breaker chamber are located at lower part, the middle part of incoming line cabinet respectively, and measuring room is located at control room in front of the top of incoming line cabinet, and bus-bar room is located at the upper back of incoming line cabinet；The double no-load voltage ratio voltage transformers of double winding and high-tension fuse are installed in basement；Breaker, three winding current transformer, arrester, and sensor are installed in breaker chamber；Decompression calculagraph, Multifunctional measuring instrument are installed in measuring room；Electric energy prepaid devices, and protection control device are installed in control room；Disconnecting switch and bus bar are installed in bus-bar room.The present invention has also been specifically designed auxiliary locator and chassis vehicle adjusting apparatus, so that breaker performance is more superior.

Description

A kind of permanent magnet type vacuum circuit-breaker

Technical field

The present invention relates to a kind of breaker, particularly a kind of indoor fixed side dress vacuum high-pressure breaker, belongs to high pressure Appliance field.

Background technology

Electric system is a very big real-time working system, and the working method of electric system has feature by oneself, it generates electricity, becomes Electricity, transmission of electricity, electricity consumption are completed in a flash same.It is more and more wider with the coverage of network system, the capacity of electric power unit Increasing, the requirement for electricity consumption is higher and higher, particular, it is important that power industry is most it is emphasised that security, it is desirable to electric power System can be coordinated with very complete automatic control mode.

Advanced control system is allowed finally to realize control, it is important measures to be equipped with more new breaker.Mesh The switch elements such as preceding common indoor high-voltage vacuum circuit breaker, indoor high-voltage isolating switch and indoor hv earthing switch, are to hand over Flow the important electric elements in metal enclosed switchgear (i.e. high-tension switch cabinet).

Vacuum circuit breaker uses vacuum interrupter, using vacuum as arc extinguishing and dielectric, has high vacuum.When Dynamic/static contact during powered separating brake, will produce vacuum arc, simultaneously as the spy of contact under operating mechanism effect between contact Different structure, can also produce appropriate longitudinal magnetic field in the gap of contact, promote vacuum arc to remain diffused, and make electric arc Contact surface burning is evenly distributed on, maintains low arc voltage, in electric current natural zero-crossing, remaining ion, electronics and gold Belong to steam can be compound within the time of the microsecond order of magnitude or to condense upon in contact surface and shielding case, arc-chutes port it is exhausted strong Degree is resumed quickly, so that electric arc is off achieving the purpose that disjunction.Due to controlling vacuum arc using longitudinal magnetic field, so very Empty breaker has powerful drop-out current ability.

Pole is the necessary component of breaker, and pole generally uses following structure：Pole is at least by true Empty arc-chutes, main conductive circuit, insulating supporting organic assembling form；The insulator of integrated sealing uses APG by epoxy resin Technique cast forms.Indoor high-voltage vacuum circuit breaker uses solid insulation structure, by vacuum interrupter, main conductive circuit, insulation Support etc. is organically combined into an integrated solid sealed pole.Insulator is formed by epoxy resin using the cast of APG techniques, is integrated The design of pole thoroughly avoids the mealiness aggregation of arc extinguishing chamber surface, and arc-chutes have been designed to exposed structure, no It only ensure that high reliability, and realize miniaturization and economy.Integrated solid sealed pole can solve the environment of vacuum circuit breaker Commpensation And Adaptation, it is widely used.

And permanent magnet type breaker also has a variety of operating mechanisms, permanent-magnet manipulating mechanism, which includes at least, a kind of bistable magnetic circuit Device, at least two magnetizing coils and can powered dynamic iron core, and be configured with manual switching-off device.Indoor high-voltage vacuum breaks Road device adapted permanent-magnet manipulating mechanism, the mechanism utilize a kind of bistable magnetic circuit system, use two dynamic iron of magnetizing coil driving Core moves to corresponding extreme position, and the magnetic field energy provided using two pieces of permanent magnets, is allowed to be maintained at extreme position.Swash Send out magnetizing coil one of and be allowed to produce the driving force for being more than remaining retentivity, you can move the dynamic iron core of permanent-magnet manipulating mechanism Make.When control system breaks down, manual switching-off device breaking circuit breaker can be used.Permanent-magnet manipulating mechanism eliminates traditional mechanism The mechanical devices such as the energy storage of rapid wear, lock, simplify structure, number of parts reduces more than 70% compared with traditional mechanism, so that greatly Big reliability and the service life for improving mechanism.Using capacitance as operation power, traditional mechanism is avoided to large capacity Special electric Since source and accessory power supply fluctuation degree mechanism action characteristic influence.The MS1 types permanent-magnet manipulating mechanism of performance brilliance can be grown Phase frequent operation, long lifespan is up to 100,000 times.Permanent-magnet manipulating mechanism uses all-electronic intelligent power control unit, can use extensively Controlled in the splitting or integrating lock of various permanent-magnet manipulating mechanisms.Intelligent power control unit is generally at least by main switch power supply, control electricity Source, capacitor group, push-pull drive switch mosfet device, divide-shut brake position detector, photoelectric isolating device composition.

It is the current situation on breaker and its composition above, although the comparison of operation and control technology development is smart It is close, but the device such as vacuum circuit breaker and the switchgear comprising vacuum circuit breaker and component, still remain following deficiency：

(1) its overall structure is mostly positive-installed arrangement, i.e., the arranged direction of three-phase galvanic circle is opened with AC metal closed Close the positive into parallel relation of equipment.In installation and operation, very big space is not only taken, also to expend substantial amounts of copper conductor It is electrically connected, causes that alternating-current closed switch equipment volume is big, galvanic circle is long, tie point is more, energy consumption is big, is manufactured into The problems such as this height, poor operational reliability.Therefore the rational structure and functional regional division formed with switchgear, it appears quite heavy Will.Breaker is frequently not individualism, how by breaker and other component reasonable Arrangements, is formed compact, small-sized The combined electrical apparatus of change is worth thinking deeply.

(2) pole is the critical elements of breaker, its unfailing performance directly affects the efficiency of breaker, and current pole Performance is in urgent need of strengthening.

(3) in breaker and its existing switchgear, there is the bullets such as many tripping springs, tension spring, energy-stored spring Spring class device, and one in these springs once comes off, or relaxation, it will make the functional failure of device in combination, It will also result in the unstable of breaker or failure, it can be seen that, how effectively to monitor, judge whether spring is in normal work The problem of being very important in breaker use as state.

(4) all multicomponent devices are assembled in switchgear, the process of dispatch from the factory in these components installation or maintenance assembling In, there are an orientation problem, how to design a kind of simple, efficient positioning auxiliary apparatus so that above-mentioned installation or Assembling becomes handy.

(5) many switchgears are designed to that its underpart includes chassis vehicle, how to ensure chassis vehicle in difference for movable type Application ground can held stationary/level.

(6) permanent magnet mechanism controller is the key control unit of permanent magnetic actuator vacuum circuit breaker, commonly uses permanent magnetic actuator vacuum The intelligence degree of controller is not high, route protection and monitoring function deficiency, point, combined floodgate bridge-type IGBT drive circuit is generally through light It is electrically isolated and by digital signal processor drive control (IGBT is insulated gate bipolar transistor), and storage capacitor generally passes through Charging circuit charges, and the design of such a mode can be cost-effective, but drive signal exists in terms of anti-interference and reliability Deficiency, be easy to cause IGBT units cannot reliably turn-on and turn-off, directly affect the performance of divide-shut brake.

The content of the invention

Present invention seek to address that above-mentioned problems of the prior art, improve the performance of breaker, improve efficiency, save Cost.

The present invention adopts the following technical scheme that：

A kind of permanent magnet type vacuum circuit-breaker, it is characterised in that：Described fixed side dress breaker include Shell of circuit breaker, Breaker body, operating mechanism and control module.

Further, the breaker body is permanent magnet type breaker body.

Further, combined electrical apparatus cabinet is further included, combined electrical apparatus cabinet includes incoming line cabinet (1), and incoming line cabinet is subdivided into basement (2), breaker chamber (3), measuring room (4), control room (5), and bus-bar room (6)；Basement (2), breaker chamber (3) difference position In the lower part of incoming line cabinet (1), middle part, measuring room (4) is located at control room (5) in front of the top of incoming line cabinet (1), bus-bar room (6) Upper back positioned at incoming line cabinet (1)；The double no-load voltage ratio voltage transformers (7) of double winding and high-voltage fuse are installed in basement (2) Disconnected device (8)；Breaker (9), three winding current transformer (10), arrester (11), and sensing are installed in breaker chamber (3) Device (12)；Decompression calculagraph (13), Multifunctional measuring instrument (14) are installed in measuring room (4)；Electricity is installed in control room (5) Energy prepaid devices (15), and protection control device (16)；Disconnecting switch (17) and bus bar are installed in bus-bar room (6).

Further, auxiliary locator, including horizon rule, miter square are further included, horizon rule and miter square connect in termination Connect, the two is in vertical state；There is scale on horizon rule and miter square, scale minimum is divided into 0.5mm；In the scale of horizon rule Direction sets horizontal direction sliding slot, and sliding block is placed in sliding slot, slip ruler vertically downward is connected on sliding block, slides ruler and miter square It is parallel, and slip ruler, miter square are located at the homonymy of horizon rule, sliding ruler has scale, and scale minimum is divided into 0.5mm；Horizon rule Cross section include right side recess, be accommodating space B (38), for accommodating sliding block, the cross section of horizon rule includes left side recess, For accommodating space A (37), for placing circular locator with holes, locator vertical direction has a center line, center line It is parallel with the graduation mark of horizon rule；The center hole size of locator is adapted with the screw size that need to be installed, or with needing to mark The size of note position is adapted, and centre bore can allow screw to pass through；Locator is arranged to multiple, and the free end of horizon rule is set Dismountable stopper is put, stopper is pulled down, you can replace the locator of different sizes and type, the cunning of different size can also be replaced Dynamic ruler.

Further, sliding ruler also has the accommodating space A of horizon rule, and for accommodating multiple locators with holes, it is certainly Also there is dismountable stopper by holding.

Further, sliding block can be integral with miter square；Each component can use iron or cobalt or nickel manufacture, and at least within One of have magnetism.

Further, the middle part of horizon rule, miter square middle part, slide the middle part of ruler, it is at least one in above-mentioned position Levelling tube is set, for observing the horizontally or vertically state of relevant position.

Further, chassis vehicle adjusting apparatus is further included, chassis vehicle adjusting apparatus includes the bearing support on top, and under The move portion in portion；Chassis vehicle adjusting apparatus overall appearance is rectangle；

Further, the bearing support is formed from steel, and top is platform, and insulation rubber cushion, insulating cement are set on platform Pad completely covers platform；The corner upper surface of platform, sets circle air level respectively, and four round air levels are to pass through debugging and calibration, Form one sensing；The corner of platform is respectively arranged below pillar, and the pillar is divided into upper supporting column and lower supporting rod, on upper supporting column End is rotatablely connected with platform, and upper supporting column can rotate freely, and the lower end outer surface of upper supporting column has the screw thread of 1-3mm depth, under The upper end outer surface of pillar has same screw thread, and by the sleeve with same internal thread, upper supporting column is connected with lower supporting rod, Upper supporting column and lower supporting rod have certain interval in sleeve；The lower supporting rod lower part is flexibly connected with move portion, lower supporting rod It can rotate freely；There is knob on the upper supporting column and/or lower supporting rod, or for clamping and then being turned for throw Dynamic screens, the screens are adapted with the clip position of throw in shape.

Further, move portion is multidirectional traveling wheel, and multidirectional traveling wheel has banking stop；Four move portions are in the horizontal direction It is upper to be connected two-by-two by stiffener, form firm supporting structure；Multidirectional traveling wheel is with ground contact portion using insulation High molecular material be made, the high molecular material has high rigidity.

The beneficial effect of measuring system of the present invention is：

(1) rational arrangement space, designs of good performance, compact, breaker suitable for miniaturization and its opens Cabinet is closed, meets indoor application demand.

(2) propose that more preferably pole column structure, performance is better than traditional structure, and by rare earth modified, its performance significantly carries Rise.

(3) advanced grating scale range measurement principle application is come in, with reference to the application environment of spring, devise strong applicability, The high calibration of accuracy and checking device, it is ensured that the effective monitoring of spring element in whole device.

(4) a kind of simple, practical positioning auxiliary apparatus is devised, which goes out with breaker and its switchgear Factory, helps user, the efficient installation elements of maintenance person.

(5) by designing accurate chassis vehicle adjusting apparatus, can not only chassis vehicle be made flexibly to move, but also can guarantee that chassis vehicle In absolute formation state.

(6) devise a kind of controller, the providing outdoor subscriber of sustainable stabilization automatically terminate singlephase earth fault and The effect of automatism isolation phase fault, so that it is guaranteed that the Electrical Safety of non-faulting user；Driven using hybrid integrated IGBT Device, can improve the reliability of IGBT driving unit turn-on and turn-off, so as to ensure that the reliability of permanent magnet mechanism divide-shut brake；Tool The perfect communication functions such as standby wireless remote control, telecommunication.

Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate attached drawing describe in detail as after. The embodiment of the present invention is shown in detail by following embodiments and its attached drawing.Many places of the present invention are only to making improved portion Divide and be described, and other undeclared parts can be realized by the state of the art, that is, undeclared part passes through now There is technology realization, herein without describing in detail.

Brief description of the drawings

Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the front view that a kind of side fills vacuum circuit breaker.

Fig. 2 is a kind of profile of gas holder permanent magnet type breaker.

Fig. 3 is a kind of combined electrical apparatus layout drawing comprising breaker.

Fig. 4 is a kind of breaker schematic diagram.

Fig. 5 is a kind of organigram of pole.

Fig. 6 is a kind of A-A sectional views of pole.

Fig. 7 is a kind of cross section of the horizon rule of auxiliary locator.

Fig. 8 is a kind of overall structure block diagram of breaker controller.

Fig. 9 is a kind of permanent magnetic drive modular structure block diagram of controller.

In figure, reference numeral corresponding content is：1 --- incoming line cabinet, 2 --- basement, 3 --- breaker chamber, 4 --- meter Amount room, 5 --- control room, 6 --- bus-bar room, 7 --- the double no-load voltage ratio voltage transformers of double winding, 8 --- high-tension fuse, 9 --- breaker, 10 --- three winding current transformer, 11 --- arrester, 12 --- sensor, 13 --- decompression timing Instrument, 14 --- Multifunctional measuring instrument, 15 --- electric energy prepaid devices, 16 --- protection control device, 17 --- keep apart Close, 18 --- five anti-interlocking gears, 19 --- babinet, 20 --- circuit breaker operation mechanism, 21 --- connecting rod, 22 --- skeleton is close Seal, 23 --- mounting hole, 24 --- installing plate, 25 --- gasket, 26 --- insulated tension pole, 27 --- pole, 28 --- upper conduction rack, 29 --- static contact, 30 --- moving contact, 31 --- lower conduction rack, 32 --- roller, 33 --- vacuum Arc-chutes, 34 --- heat sink, 35 --- sealing casting matrix, 36 --- air flow passage, 37 --- accommodating space A, 38 --- accommodating space B, 39 --- central control module, 40 --- display and operation module, 41 --- communication module, 42 --- Permanent magnetic drive module, 43 --- switching value monitoring modular, 44 --- analogue collection module, 45 --- divide-shut brake control unit, 46 --- Charge Management unit.

Embodiment

The technology implementation process of the present invention is described further with reference to the accompanying drawings and examples.

Embodiment 1：

The present embodiment mainly introduces a kind of high-voltage circuitbreaker, the high-voltage circuitbreaker, including Shell of circuit breaker, breaker Body, operating mechanism and control module.

Further, the breaker body is vacuum circuit breaker body.

Further, metal skirt is additionally provided with the Shell of circuit breaker, control module is located in metal skirt.

Further, the control module includes intelligent control circuit module, arc extinguishing control module, power protection mould Block, divide-shut brake count monitoring switch module.

Further, metal skirt is equipped with multiple heat emission holes.

Embodiment 2：

The present embodiment carries out on the basis of previous embodiment.Special declaration is needed, the present embodiment is not only fitted For the content described in the application, other breakers not on the books in the application are equally applicable to, are had very strong general Property.

The present embodiment is a kind of combined electrical apparatus cabinet, as shown in figure 3, including incoming line cabinet 1, incoming line cabinet is subdivided into basement 2, breaks Road device room 3, measuring room 4, control room 5, and bus-bar room 6；

Basement 2, breaker chamber 3 are located at lower part, the middle part of incoming line cabinet respectively, and measuring room 4 is located at incoming line cabinet with control room 5 In front of 1 top, bus-bar room 6 is located at the upper back of incoming line cabinet 1；

The double no-load voltage ratio voltage transformers 7 of double winding and high-tension fuse 8 are installed in basement 2；

Breaker 9, three winding current transformer 10, arrester 11, and sensor 12 are installed in breaker chamber 3；

Decompression calculagraph 13, Multifunctional measuring instrument 14 are installed in measuring room 4；

Electric energy prepaid devices 15, and protection control device 16 are installed in control room 5；

Disconnecting switch 17 and bus bar are installed in bus-bar room 6.

Further, the main shaft of the disconnecting switch 17 and operating mechanism are connected directly.

Further, the breaker 9 is connected with disconnecting switch 17 by five anti-interlocking gears 18.

Further, the breaker 9 is permanent magnet type breaker.

Embodiment 3：

The present embodiment be on the basis of a kind of foregoing embodiment or any two above example combination on the basis of Carry out.Special declaration is needed, the present embodiment is applicable not only to the content described in the application, is equally applicable to the application In other breakers not on the books, there is very strong versatility.

As shown in figure 4, a kind of high-pressure vacuum breaker, is particularly suitable for fixed type inflatable cabinet, including babinet 19, babinet 19 Interior setting circuit breaker operation mechanism 20, the pole 27 being connected with circuit breaker operation mechanism 20.

Further, the outside of the babinet 19 is provided with the installing plate 24 for installing pole, installing plate 24 with Fixed type inflatable cabinet connects, and installing plate 24 is equipped with the mounting hole 23 being connected with fixed type inflatable cabinet.

Further, one layer of gasket 25 is equipped between installing plate 24 and the pole 27.

Further, 21 phase of connecting rod is passed through between circuit breaker operation mechanism 20 and the insulated tension pole 26 of pole 27 Even, which is provided with backbone sealing ring 22 with 19 contact site of babinet.

Embodiment 4：

The present embodiment be on the basis of a kind of foregoing embodiment or any two above example combination on the basis of Carry out.Special declaration is needed, the present embodiment is applicable not only to the content described in the application, is equally applicable to the application In other breakers not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment designs a kind of Pole Of Vacuum Circuit Breakers, and as seen in figs. 5-6, pole includes above leading Electric frame 28, lower conduction rack 31, vacuum interrupter 33, the static contact in vacuum interrupter 33 are set between upper and lower conduction rack 29, static contact 29 is connected with upper conduction rack 28, the moving contact 30 to move up and down in vacuum interrupter 33, and moving contact 30 is with Conduction rack 31 keeps connection.Upper and lower conduction rack and 33 outer wall of vacuum interrupter are coated with sealing pour mass 35, positioned at vacuum extinction Air flow passage 36 is provided with the sealing pour mass of the periphery of room 33.

Further, it is provided with heat sink 34 on the upper conduction rack 28.

Further, drop shot is further included, the part that upper drop shot stretches out vacuum interrupter 33 is located at lower conduction rack It is conductively connected in hole seat, both it using roller type.

Further, 33 inner wall of vacuum interrupter is ceramic wall, is set between ceramic wall and the sealing pour mass 35 of periphery There is buffer pad, buffer pad is made of silica gel.

Further, a gas storage chamber is connected with the one side wall of the arc-chutes.

Further, at least one pressure relief valve is provided between the arc-chutes and gas storage chamber.

Further, the valve set between the arc-chutes and gas storage chamber is two one-way relief valves.

Further, it is provided with drier in the gas storage chamber.

Embodiment 5：

The present embodiment be on the basis of a kind of foregoing embodiment or any two above example combination on the basis of Carry out.Special declaration is needed, the present embodiment is applicable not only to the content described in the application, is equally applicable to the application In other breakers not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduces the modification operation/method carried out to pole, and modified object can both include pole Various parts in column entirety or pole.The method for mixing Rare Earth Elements Determination, specific step are introduced in the present embodiment It is rapid as follows：

(1)Zn(CH₃COO)₂·6H₂O is dissolved in deionized water, the zinc solution 100mL that concentration is 0.25mol/L is made, in zinc Y (the NO of doping 5at% in situ in solution₃)₃·6H₂O, stirs 5-15min.

(2) step (1) resulting solution is added drop-wise in the NaOH solution that 100mL molar concentrations are 3mol/L, ultrasonic 30- 60min, is transferred in 300mL autoclaves, reacts 10-15h at 100 DEG C.

(3) after step (2) gained sediment is washed repeatedly with distilled water, absolute ethyl alcohol successively, doping is made in 85 DEG C of drying The Zinc oxide powder of yttrium is spare.

(4) Zinc oxide powder of 10mg doping yttriums is taken to be placed in agate mortar, it is 1 to add volume ratio:3 absolute ethyl alcohol with Deionized water mixed liquor, is ground into slurry, is then evenly applied on the pole through hydrochloric acid and ethanol cleaning treatment, standing is dried in the air It is dry 10 it is small when more than, (3 DEG C/min of heating rate) roasts 1h at 450 DEG C, and aging for a week on agingtable is placed on after taking-up, Then encapsulate.

After tested, the sealing performance of pole improves more than 3 times compared to conventional pole, and stablizes with good Property.

Embodiment 6：

The present embodiment be on the basis of a kind of foregoing embodiment or any two above example combination on the basis of Carry out.Special declaration is needed, the present embodiment is applicable not only to the content described in the application, is equally applicable to the application In other breakers not on the books, combined electrical apparatus, there is very strong versatility.

In addition to above-mentioned doping yttrium (i.e. single rare earth element), other rare earth elements can also be adulterated, can also Adulterate a variety of rare earth elements at the same time.Comprise the following steps that：

(1)ZnCl₂Deionized water is dissolved in, the zinc solution 100mL that concentration is 0.15mol/L is made, it is in situ in zinc solution Adulterate the Sm (NO of 3at%₃)₃Ce (the NO of 6H2O and 1at%₃)₃·6H₂O, stirs 5-15min.

(2) step (1) resulting solution is added drop-wise in the urea liquid that 100mL molar concentrations are 0.18mol/L, magnetic agitation 10min, is transferred in 300mL autoclaves, reacts 24h at 85 DEG C.

(3) after step (2) gained sediment is washed repeatedly with distilled water, absolute ethyl alcohol successively, 85 DEG C of drying, and in air In 300 DEG C of roasting 1h, the Zinc oxide powder that compound samarium cerium is made is spare.

(4) zinc oxide or Zinc oxide powder for taking the compound samarium ceriums of 18mg are placed in agate mortar, and it is 1 to add volume ratio:1.5 Absolute ethyl alcohol and deionized water mixed liquor, be ground into slurry, be then evenly applied on hydrochloric acid and the pole of Ethanol Treatment, Standing dry 10 it is small when more than, (2 DEG C/min of heating rate) roasts 1h at 450 DEG C, is placed on after taking-up on agingtable old Change one week, then encapsulate.

After tested, the sealing performance of pole improves more than 3 times compared to conventional pole, and stablizes with good Durability.

Embodiment 7：

The present embodiment be on the basis of a kind of foregoing embodiment or any two above example combination on the basis of Carry out.Special declaration is needed, the present embodiment is applicable not only to the content described in the application, is equally applicable to the application In other breakers not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduces a kind of spring monitoring device, for monitoring in breaker and switch-box in miscellaneous part The operating status of existing spring, specific implementation are as follows：

Spring can find fixed position, for installing the ruler of grating scale there are a telescopic direction in its telescopic direction Body stent, is connected through a screw thread or welds between grating scale stent and switchgear (either miscellaneous part).Grating scale is installed In blade stent.The reading head bracket of miniaturization is fixedly connected with a certain circle steel wire of spring, is installed on reading head bracket Reading head.

On blade stent, reading head bracket, the mounting hole of ellipse is both provided with, by the oval mounting hole, The position of grating scale, reading head is adjusted, passes through adjusting so that blade direction and telescopic spring direction be highly consistent, Reading head can accurately read the position on grating scale.

Integrated micro process chip, control chip, wireless transmitter on reading head so that the data of reading head collection Neighbouring or distal end control centre can be transmitted in real time, and control centre is monitored and analyzed to these data, judges bullet The state of spring.Such as loss of data, then it represents that spring comes off, and data exceed normal range (NR), then it represents that relaxing of spring, etc..

As an improvement of said structure and/or method, spring prison can further be improved using following structure Control the accuracy of device.On the basis of said structure, another reading head bracket is set on other one circle steel wire, position is set Put parallel with foregoing reading head backing positions, same sets reading head on reading head bracket.It is worth noting that, two The gap length of a reading head bracket should be more than or equal to 1/3rd of spring total length, while less than or equal to the four of spring total length / tri-.Two reading heads are directed at same grating scale blade.Likewise, by integrated micro process chip, control chip, Wireless transmitter, the data transfer of collection is gone out.

In this way, two groups of data can be collected, there is defined difference between two kinds of data values, when this difference is beyond fair During scope perhaps, then it represents that spring has loose sign, should timely overhaul at this time or directly replace spring.

Further as such scheme is improved, and is set blade stent respectively in the both sides of spring, is installed on blade stent Grating scale, in the both sides of spring, has installation reading head bracket on the steel wire of certain intervals, reading head is installed on reading head bracket. The gap length of two reading head brackets should be more than or equal to 1/3rd of spring total length, while less than or equal to spring total length 3/4ths.In this way, can be formed two groups can independent operating grating scale combination, realize the compound of data and calibration, Ke Yigeng Add and accurately the operating status of spring is monitored.

Embodiment 8：

The present embodiment be on the basis of a kind of foregoing embodiment or any two above example combination on the basis of Carry out.Special declaration is needed, the present embodiment is applicable not only to the content described in the application, is equally applicable to the application In other breakers not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduces a kind of auxiliary locator, which is used for the installation for aiding in all kinds of parts, specific skill Art scheme is as follows：

Auxiliary locator, including horizon rule, miter square, horizon rule are connected with miter square in termination, the two perpendicular shape State.There is scale on horizon rule and miter square, scale minimum is divided into 0.5mm；

Horizontal direction sliding slot is set in the scale direction of horizon rule, sliding block is placed in sliding slot, is connected vertically downward on sliding block Slip ruler, slide that ruler is parallel with miter square, and slide the homonymy that ruler, miter square are located at horizon rule, slip ruler has scale, scale Minimum is divided into 0.5mm；

The cross section of horizon rule is as shown in fig. 7, right side recess is accommodating space B (38), for accommodating sliding block, left side recess For accommodating space A (37), the circular locator with holes for placing (can be suspension or absorption), locator vertical direction There is a center line, center line is parallel with the graduation mark of horizon rule, and convenient alignment；The center hole size of locator is pacified with needing The screw size of dress is adapted, or with needing the size of mark position to be adapted, centre bore can allow screw by also may be used To allow marker pen to pass through；Locator is arranged to multiple, and the free end of horizon rule sets dismountable stopper, and stopper is pulled down, The locator of i.e. replaceable different sizes and type, can also replace the slip ruler of different size.

As an improvement sliding ruler also has the accommodating space A of above-mentioned horizon rule, for accommodating multiple positioning with holes Device, its free end also have dismountable stopper.

As an improvement sliding block and miter square can be integral.The right side recess tight fit of sliding block and horizon rule.

As an improvement above-mentioned each component can use iron-cobalt-nickel to manufacture, and at least one has magnetism.

As an improvement the middle part of horizon rule, miter square middle part, slide the middle part of ruler, in above-mentioned position at least One setting levelling tube, for observing the horizontally or vertically state of relevant position.

The auxiliary locator of said structure, overall slabbing, is arranged on the groove of on the outside of switchgear cabinet or inner side It is interior, to save space.During the installation of element, screw etc. can easily be set using auxiliary locator as above Spacing between locating element, and the spacing between multiple positions can be set at the same time；If necessary to drill, mark need to be only used Note pen is marked in the centre bore of locator with holes, the auxiliary locator, simple, flexible, practical, contributes to Improve the installation effectiveness of element.

Embodiment 9：

The present embodiment be on the basis of a kind of foregoing embodiment or any two above example combination on the basis of Carry out.Special declaration is needed, the present embodiment is applicable not only to the content described in the application, is equally applicable to the application In other breakers not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduces a kind of chassis vehicle adjustment suitable for breaker and combinations thereof electric appliance, switchgear, babinet Device, the device are also breaker and combinations thereof electric appliance, switchgear, the support of babinet, mobile device, and concrete technical scheme is such as Under：

Chassis vehicle adjusting apparatus includes the bearing support on top, and the move portion of lower part.

As improving and selection, chassis vehicle adjusting apparatus overall appearance can be with rectangle, cube, or other are common outer Shape isogonism is trapezoidal, square, I-shaped, U-shaped.

The bearing support is formed from steel, and top is platform, and insulation rubber cushion is set on platform, and insulation rubber cushion completely covers flat Platform.Corner (or the corresponding position of other appearances) upper surface of platform, sets circle air level respectively, and four round air levels are warp Debugging and calibration are crossed, forms one sensing.The corner of platform is respectively arranged below pillar, and the pillar is divided into upper supporting column and lower branch Column, upper supporting column upper end are rotatablely connected with platform, and upper supporting column can rotate freely, and the lower end outer surface of upper supporting column has 1-3mm depths The screw thread of degree, the upper end outer surface of lower supporting rod have same screw thread, by the sleeve with same internal thread, by upper supporting column and Lower supporting rod connects, and upper supporting column and lower supporting rod have certain interval in sleeve.The lower supporting rod lower part and move portion activity Connection, lower supporting rod can rotate freely.There is knob on the upper supporting column and/or lower supporting rod, or for for the rotation such as spanner Instrument clamps and then the screens that is rotated, and clip position of the screens in shape with the throw such as spanner is adapted.

The upper and lower pillar rotates freely, and including at least its in the vertical direction is freely rotated, that is, makes Upper and lower pillar being capable of precession, back-out sleeve.

The move portion can be multidirectional traveling wheel, or other motion structures.

As an improvement multidirectional traveling wheel has banking stop, banking stop lifts, and multidirectional traveling wheel freely rolls, spacing Piece is stepped on, and multidirectional traveling wheel can not roll.

As an improvement four move portions are connected two-by-two by stiffener in the horizontal direction, firm branch is formed Support structure.

As an improvement multidirectional traveling wheel is made with ground contact portion of the high molecular material of insulation, it is described High molecular material have high rigidity.

As an improvement being provided with chassis vehicle and propulsive mechanism below breaker body, the breaker body is set Put on propulsive mechanism, propulsive mechanism is set on a chassis, and the bottom of chassis vehicle is equipped with chassis vehicle adjusting apparatus.

The chassis vehicle can be used alone, and be limited from propulsive mechanism thereon, breaker body or babinet.

The above-mentioned chassis vehicle of the adjustable type with insulation, leveling etc./chassis vehicle adjusting apparatus is in the following way Carry out leveling：Chassis vehicle, which is moved to, needs position, and the banking stop of multidirectional traveling wheel is stepped on so that multidirectional traveling wheel must not Roll.The circle air level on the platform of bearing support is observed, bubble is such as not in the circular lines of middle part, then needs to be adjusted. Regulation rule is, when which angle bubble be inclined to, then by rotating the corresponding upper and lower pillar in the angle, decline the Angle Position, leads to It is gradually placed in the middle to cross repeatedly adjustment, bubble.

By technical solution above, it can cause chassis vehicle insulation, level, be beneficial to security appliance.

Embodiment 10：

As shown in figure 8, a kind of controller suitable for permanent magnet type vacuum circuit-breaker, it includes communication module 41, is controlled by DSP The central control module 39 that the dual controller of device and ARM chip processed is formed, and the power module of electric power, the power supply mould are provided PT power supplys can be selected in block.Concrete technical scheme is as follows：

Central control module 39 is made of two high-performance microprocessors, realize it is anti-tripping, three times reclosing, manually point The functions such as lock locking, under-voltage protection, overcurrent, quick-break, delay quick-break, detect circuit transient fault and permanent fault, eliminate wink When influence of the failure to circuit, isolate permanent fault section, it is automatic to recover the power supply of non-faulting section power grid.

The analogue collection module 44 being electrically connected respectively with the dsp controller, switching value prison are further included in this controller Survey module 43 and permanent magnetic drive module 42, and the display being electrically connected with the ARM chips and operation module 40 and described Communication module 41.

The analogue collection module 44 gather A phase currents, B phase currents, C phase currents, zero-sequence current, AC voltages between phases with And capacitance voltage, dsp controller by monitoring the value of line voltage distribution electric current in real time and relatively judging line fault by definite value, So as to carry out respective handling；By gathering the value of capacitance voltage, compared with threshold value, less than threshold value locking without division Lock, higher than threshold value, lock release, realizes capacitance voltage defencive function.

The switching value monitoring modular 43 is used to detect the on off state of vacuum circuit breaker, receives divide-shut brake control signal, And signal is reached into central control module 39, this central control module 39 controls connected module remotely to be monitored or held Row breaking-closing operating.

As shown in figure 9, the permanent magnetic drive module 42 includes divide-shut brake control unit 45 and Charge Management unit 46.

The divide-shut brake control unit 42 includes bus transceiver, the hybrid integrated being electrically connected with the dsp controller IGBT actuator units and the IGBT driving units driven by hybrid integrated IGBT actuator units, the bus transceiver It is electrically connected with the hybrid integrated IGBT actuator units, the divide-shut brake of the IGBT driving units control relay；

The display and operation module 40 are included by the display screen of ARM chip controls, operation keyboard, indicator light and power supply Switch；Display screen is dot matrix type liquid crystal display, and operation keyboard has 12 buttons, and the function of expression is respectively：Up/down/left/right is moved Position, confirm, exit, setting, inquiring about, is separating brake, combined floodgate, reset, spare；9 indicator lights represent operation, separating brake, combined floodgate, event respectively The functional status such as barrier, decompression, energy storage, locking, GSM, spare；PT power supplys are opened, dsp controller can there will be electric side PT to cut automatically It is changed to power supply；Battery feed switch is opened, under power down mode, ensures dsp controller normal work.

The communication module 41 is including that can be remotely controlled for the communication interface of RS232/RS485, GSM short messages unit and nearby Unit, and the GSM drive circuits of the GSM short messages unit are to have selected TC35 communication module groups, remote control unit is selected nearby NT-E13D models.

The present invention is that the prior art is improved, therefore the prior art has been used for reference in implementation process, as space is limited, not right Prior art part is described in detail；Every unmentioned technology segment of the present invention, can use the prior art to realize.

The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (6)

1. a kind of permanent magnet type vacuum circuit-breaker, it fills breaker, including Shell of circuit breaker, breaker body, behaviour for fixed side Make mechanism and control module；The breaker body is permanent magnet type breaker body；It is characterized in that, further include combined electrical apparatus Cabinet, combined electrical apparatus cabinet include incoming line cabinet (1), and incoming line cabinet is subdivided into basement (2), breaker chamber (3), measuring room (4), control room And bus-bar room (6) (5),；Basement (2), breaker chamber (3) are located at lower part, the middle part of incoming line cabinet (1), measuring room (4) respectively It is located at control room (5) in front of the top of incoming line cabinet (1), bus-bar room (6) is located at the upper back of incoming line cabinet (1)；Basement (2) The double no-load voltage ratio voltage transformers (7) of double winding and high-tension fuse (8) are inside installed；Breaker is installed in breaker chamber (3) (9), three winding current transformer (10), arrester (11), and sensor (12)；Decompression timing is installed in measuring room (4) Instrument (13), Multifunctional measuring instrument (14)；Electric energy prepaid devices (15), and protection control dress are installed in control room (5) Put (16)；Disconnecting switch (17) and bus bar are installed in bus-bar room (6)；Further include auxiliary locator, the auxiliary positioning Device includes horizon rule, miter square, and horizon rule is connected with miter square in termination, the two is in vertical state；Horizon rule and miter square On have scale, scale minimum is divided into 0.5mm；Horizontal direction sliding slot is set in the scale direction of horizon rule, is placed in sliding slot Sliding block, slip ruler vertically downward is connected on sliding block, and it is parallel with miter square to slide ruler, and slip ruler, miter square are located at horizon rule Homonymy, slide ruler have scale, scale minimum is divided into 0.5mm；The cross section of horizon rule includes right side recess, is accommodating space B (38), for accommodating sliding block, the cross section of horizon rule includes left side recess, is accommodating space A (37), with holes for placing Circular locator, locator vertical direction have a center line, and center line is parallel with the graduation mark of horizon rule；In locator Heart hole size is adapted with the screw size that need to be installed, or with needing the size of mark position to be adapted, centre bore can hold Perhaps screw passes through；Locator is arranged to multiple, and the free end of horizon rule sets dismountable stopper；It is solid used by breaker Sealed pole is modified by mixing rare earth element.

2. permanent magnet type vacuum circuit-breaker according to claim 1, it is characterised in that：It is also accommodating with horizon rule to slide ruler Space A, for accommodating multiple locators with holes, its free end also has dismountable stopper.

3. permanent magnet type vacuum circuit-breaker according to claim 2, it is characterised in that：Sliding block can be integral with miter square； Each component can use iron or cobalt or nickel manufacture, and at least one has magnetism.

4. permanent magnet type vacuum circuit-breaker according to claim 3, it is characterised in that：In the middle part of horizon rule, miter square Portion, the middle part for sliding ruler, at least one setting levelling tube in above-mentioned position, for observing relevant position horizontally or vertically State.

5. according to the permanent magnet type vacuum circuit-breaker any one of claim 1-4, it is characterised in that：Further include chassis vehicle tune Engagement positions, chassis vehicle adjusting apparatus include the bearing support on top, and the move portion of lower part；Chassis vehicle adjusting apparatus is overall outer See as rectangle；The bearing support is formed from steel, and top is platform, and insulation rubber cushion is set on platform, and insulation rubber cushion completely covers flat Platform；The corner upper surface of platform, sets circle air level respectively, and four round air levels are by debugging and calibration, form a body-sensing Should；The corner of platform is respectively arranged below pillar, and the pillar is divided into upper supporting column and lower supporting rod, and upper supporting column upper end is rotated with platform Connection, upper supporting column can rotate freely, screw thread of the lower end outer surface with 1-3mm depth of upper supporting column, outside the upper end of lower supporting rod Surface has same screw thread, and by the sleeve with same internal thread, upper supporting column is connected with lower supporting rod, upper supporting column and lower branch Column has certain interval in sleeve；The lower supporting rod lower part is flexibly connected with move portion, and lower supporting rod can rotate freely；Institute Stating has knob on upper supporting column and/or lower supporting rod, or the screens for clamping and then being rotated for throw, which exists It is adapted in shape with the clip position of throw.

6. permanent magnet type vacuum circuit-breaker according to claim 5, it is characterised in that：Move portion is multidirectional traveling wheel, multidirectional Traveling wheel has banking stop；Four move portions are connected two-by-two by stiffener in the horizontal direction, form firm support knot Structure；Multidirectional traveling wheel is made with ground contact portion of the high molecular material of insulation, and the high molecular material has high hard Degree.