CN105680362A - Permanent magnet vacuum circuit breaker - Google Patents

Abstract

The invention discloses a sealed insulating vacuum circuit breaker for an inflating cabinet, and belongs to the field of vacuum high-voltage circuit breakers. The circuit breaker comprises a circuit breaker shell, a circuit breaker body, an operating mechanism and a control module, and also comprises a wire incoming room, a circuit breaker room, a metering room, an instrument room and a busbar room, wherein the wire incoming room and the circuit breaker room are positioned at the lower part and the middle part of a wire incoming cabinet respectively, the metering room and the instrument room are positioned in the front of the upper part of the wire incoming cabinet, and the busbar room is positioned at the back of the upper part of the wire incoming cabinet; a double-winding double-ratio voltage transformer and a high-voltage fuse are mounted in the wire incoming room; a circuit breaker, a three-winding current transformer, a lightning arrester and a sensor are mounted in the circuit breaker room; a loss-voltage timing instrument and a multifunctional metering instrument are mounted in the metering room; an electric energy prepaying device and a protection control device are mounted in the instrument room; and an isolating switch and busbars are mounted in the busbar room. According to the circuit breaker, an auxiliary positioning device and a chassis truck adjusting device are further specially designed, so that the performance of the circuit breaker is superior.

Description

A kind of permanent magnet type vacuum circuit-breaker

Technical field

The present invention relates to a kind of chopper, particularly a kind of indoor fixed side dress vacuum high-pressure chopper, belongs to High-Voltage Electrical Appliances field.

Background technology

Power system is a very big real time operation system, and the working method of power system has feature by oneself, and its generating, power transformation, transmission of electricity, electricity consumption are with completing in a flash. Along with the coverage of network system is increasingly wider, the capacity of electric power unit is increasing, and the requirement for electricity consumption is more and more higher, particular, it is important that power industry is it is emphasised that safety, it is desirable to power system can be coordinated with very complete automatic control mode.

The control system allowing advanced person is finally capable of controlling, and being equipped with comparatively novel chopper is important measures. The switch elements such as public at present indoor high-voltage vacuum circuit breaker, indoor high-voltage isolating switch and indoor hv earthing switch, are the important electric elements in ac metal closing switch gear (i.e. high-tension switch cabinet).

Vacuum circuit breaker adopts vacuum interrupter, using vacuum as arc extinguishing and dielectric, has high vacuum. when dynamic/static contact charged separating brake under operating mechanism effect, vacuum arc will be produced between contact, simultaneously, special construction due to contact, the gap of contact also can produce suitable longitudinal magnetic field, vacuum arc is promoted to remain diffused, and make electric arc be evenly distributed on contact surface burning, maintain low arc voltage, when electric current natural zero-crossing, the ion of residual, electronics and metallic vapour just can compounds or condense upon on contact surface and radome within the time of the microsecond order of magnitude, the exhausted intensity of arc-chutes port is quickly resumed, thus electric arc is off reaching the purpose of disjunction. owing to adopting longitudinal magnetic field to control vacuum arc, so vacuum circuit breaker has powerful drop-out current ability.

Pole is the necessary component of chopper, and pole is generally adopted following structure: pole is at least being formed by vacuum interrupter, main conductive circuit, insulating supporting organic assembling; The insulator of integrated sealing is adopted the cast of APG technique to form by epoxy resin.Indoor high-voltage vacuum circuit breaker adopts solid insulation structure, and vacuum interrupter, main conductive circuit, insulating supporting etc. are organically combined into an integrated solid sealed pole. Insulator is adopted the cast of APG technique to form by epoxy resin, and the design of integrated solid sealed pole avoids the mealiness on arc-chutes surface thoroughly and assembles, and arc-chutes have been designed to exposed structure, not only ensure that high reliability, and achieve miniaturization and economy. Integrated solid sealed pole can solve the environmental resistance problem of vacuum circuit breaker, and it is widely used.

And permanent magnet type breaker also has multiple operating mechanism, permanent-magnet manipulating mechanism at least includes a kind of bistable magnetic circuit device, at least two magnetizing coil and can powered dynamic iron core, and be configured with manual switching-off device. Indoor high-voltage vacuum circuit breaker adapted permanent-magnet manipulating mechanism, this mechanism utilizes a kind of bistable magnetic circuit system, use two magnetizing coils to drive dynamic iron cores to move to corresponding extreme position, and utilize the magnetic field energy that two pieces of permanent magnets provide, so as to be maintained at extreme position. Excite one of them magnetizing coil so as to produce the driving force more than residue retentivity, the dynamic iron core action of permanent-magnet manipulating mechanism can be made. When controlling system malfunctions, available manual switching-off device breaking circuit breaker. Permanent-magnet manipulating mechanism eliminates the machinerys such as the energy storage of traditional mechanism rapid wear, snap close, simplifies structure, and number of parts relatively traditional mechanism decreases more than 70%, thus substantially increasing reliability and the life-span of mechanism. Adopt electric capacity as operation power supply, it is to avoid traditional mechanism is on since Large Copacity power source special and the impact of accessory power supply fluctuation degree mechanism action characteristic. The MS1 type permanent-magnet manipulating mechanism of performance brilliance can operate by long term frequent, and the life-span is up to 100,000 times. Permanent-magnet manipulating mechanism adopts all-electronic intelligent power control unit, and the splitting or integrating lock that can be widely used in various permanent-magnet manipulating mechanism controls. Intelligent power control unit is general to be at least made up of master switch power supply, control power supply, Capacitor banks, push-pull drive switch mosfet device, divide-shut brake position detector, photoelectric isolating device.

Below it is all the current situation about chopper and composition thereof, although operation and to control the comparison of technical development accurate, but vacuum circuit breaker and comprise device and the assembly such as switch cubicle of vacuum circuit breaker, still there is following deficiency:

(1) its overall structure mostly is positive-installed layout, and namely the arranged direction of three-phase galvanic circle becomes parallel relation with the front of ac metal closing switch gear. When installation and operation, not only take very big space, also to expend substantial amounts of copper conductor to be electrically connected, cause the problems such as alternating-current closed switch equipment volume is big, galvanic circle length, junction point are many, energy resource consumption is big, manufacturing cost is high, operational reliability is poor. Therefore reasonably constitute and the structure of switch cubicle and functional regional division, it appears fairly heavy want. Chopper is frequently not individualism, and how by chopper and other components and parts reasonable Arrangement, forming combined electrical apparatus compact, miniaturization is worth thinking.

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

(3) in the switch cubicle of chopper and existence thereof, there is the spring-like devices such as many such as tripping spring, extension spring, energy-stored springs, and in these springs is once come off, or it is lax, the functional failure of device in combination will be made, will also result in the instability of chopper or inefficacy, it can be seen that, how effectively monitoring, judging whether spring is in normal duty is the very important problem during chopper uses.

(4) in switch cubicle, all multicomponent devices are assembled, dispatch from the factory at these components and parts and install or in the process of maintenance assembling, all there is an orientation problem, how to design one and position appurtenance simply, efficiently so that above-mentioned installation or assembling become handy.

(5) many switch cubicles are designed to for movable type, and its underpart comprises chassis, how to ensure that chassis all can held stationary/level on different application ground.

(6) permanent magnet mechanism controller is the key control unit of permanent magnetic actuator vacuum circuit breaker, the intelligence degree of conventional permanent magnetic actuator vacuum controller is not high, route protection and monitoring function are not enough, point, combined floodgate bridge-type IGBT drive circuit is generally through Phototube Coupling and by digital signal processor driving control (IGBT is insulated gate bipolar transistor), and storage capacitor charges typically via charging circuit, the design of this kind of mode can save cost, but drive signal Shortcomings in anti-interference and reliability, being easily caused IGBT unit can not reliably turn-on and turn-off, directly affect the performance of divide-shut brake.

Summary of the invention

Present invention seek to address that above-mentioned problems of the prior art, improve the performance of chopper, improve usefulness, 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 chopper includes Shell of circuit breaker, breaker body, operating mechanism and control module.

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

Further, also include combined electrical apparatus cabinet, 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) lay respectively at the bottom of incoming line cabinet (1), middle part, measuring room (4) and control room (5) are positioned at the front, top of incoming line cabinet (1), and bus-bar room (6) is positioned at the upper back of incoming line cabinet (1); The double; two no-load voltage ratio voltage transformer (7) of double winding and high-tension fuse (8) are installed in basement (2); Chopper (9), three winding current transformer (10), spark gap (11) and sensor (12) are installed in breaker chamber (3); Decompression chronograph (13), Multifunctional measuring instrument (14) are installed in measuring room (4); Electric energy prepaid devices (15) is installed in control room (5), and protection controls device (16); Isolation switch (17) and bus bar are installed in bus-bar room (6).

Further, also including auxiliary locator, connect in termination including horizon rule, miter square, horizon rule and miter square, the two is in vertical state; All having scale on horizon rule and miter square, scale is minimum is divided into 0.5mm; Horizontal direction chute is set in the scale direction of horizon rule, places slide block in chute, slide block connects slip chi vertically downward, slip chi is parallel with miter square, and slip chi, miter square are positioned at the homonymy of horizon rule, slip chi has scale, and scale is minimum is divided into 0.5mm; The cross section of horizon rule includes right side recess, for accommodation space B (38), for holding slide block, the cross section of horizon rule includes left side recess, for accommodation space A (37), for placing circular localizer with holes, localizer vertical direction has a centrage, and centrage is parallel with the graduation mark of horizon rule; The center hole size of localizer is suitable with the screw size that need to install or suitable with the size needing mark position, and centre bore can allow that screw passes through; Localizer is set to multiple, and the free end of horizon rule arranges dismountable stopper, and stopper is pulled down, i.e. the localizer of replaceable different size and type, it is also possible to change the slip chi of different size.

Further, slip chi also has the accommodation space A of horizon rule, and for holding multiple localizer with holes, its free end also has dismountable stopper.

Further, slide block and miter square one; Each parts can adopt ferrum or cobalt or nickel manufacture, and at least one has magnetic.

Further, the middle part of horizon rule, the middle part of miter square, slip chi middle part, at least one in above-mentioned position arranges levelling tube, for observing the horizontally or vertically state of relevant position.

Further, also including chassis adjusting apparatus, chassis adjusting apparatus includes the bearing support on top and the moving part of bottom; Chassis adjusting apparatus overall appearance is rectangle;

Further, described bearing support is formed from steel, and top is platform, and platform arranges insulation rubber cushion, and insulation rubber cushion completely covers platform; The corner upper surface of platform, is respectively provided with round air level, and four round air levels are for through debugging and calibration, forming one sensing; The corner of platform is respectively arranged below pillar, described pillar is divided into upper supporting column and lower supporting rod, upper supporting column upper end and platform are rotationally connected, upper supporting column can rotate freely, the lower end outer surface of upper supporting column has the screw thread of the 1-3mm degree of depth, and the upper end outer surface of lower supporting rod has same screw thread, by the sleeve with same female thread, upper supporting column and lower supporting rod being connected, upper supporting column and lower supporting rod have certain interval in sleeve; Described lower supporting rod bottom is flexibly connected with moving part, and lower supporting rod can rotate freely; Described upper supporting column and/or lower supporting rod have knob, or for clamping for throw and then carrying out the screens rotated, this screens is suitable with the clip position of throw in shape.

Further, moving part is multidirectional road wheel, and multidirectional road wheel has banking stop; Four moving parts are connected between two by stiffener in the horizontal direction, form firm supporting construction; Multidirectional road wheel and ground contact portion all adopt the macromolecular material of insulation to make, and described macromolecular material all has high rigidity.

The measurement system of the present invention provides the benefit that:

(1) rational arrangement space, designs of good performance, compact, it is adaptable to the chopper of miniaturization and switch cubicle thereof, meets indoor application demand.

(2) proposing pole column structure more preferably, performance is better than traditional structure, and by rare earth modified, its performance is substantially improved.

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

(4) devising a kind of simple, practical location appurtenance, this apparatus dispatches from the factory with chopper and switch cubicle thereof, helps user, the efficient installation elements of maintenance person.

(5) by designing accurate chassis adjusting apparatus, chassis both can have been made to move flexibly, can guarantee that again that chassis was in absolute formation state.

(6) devising a kind of controller, sustainable stable outdoor subscriber is provided automatically terminates singlephase earth fault and the effect of automatism isolation phase fault, so that it is guaranteed that the Electrical Safety of non-faulting user; Adopt hybrid integrated IGBT driver, it is possible to improve the reliability of IGBT driver element turn-on and turn-off, thus ensure that the reliability of permanent magnet mechanism divide-shut brake; Possesses the communication function that wireless remote control, telecommunication etc. are perfect.

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 description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.The specific embodiment of the present invention is shown in detail in by following example and accompanying drawing thereof. The part making improvement is only described by many places of the present invention, and other undeclared parts can realize by the state of the art, that is undeclared part is by existing techniques in realizing, is not described in detail at this.

Accompanying drawing explanation

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:

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

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

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

Fig. 4 is a kind of chopper schematic diagram.

Fig. 5 is the organigram of a kind of pole.

Fig. 6 is the A-A sectional view of a kind of pole.

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

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

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

In figure, accompanying drawing labelling corresponding content is: 1 incoming line cabinet, 2 basements, 3 breaker chambers, 4 measuring rooms, 5 control rooms, 6 bus-bar rooms, the double, two no-load voltage ratio voltage transformer of 7 double windings, 8 high-tension fuses, 9 choppers, 10 three winding current transformers, 11 spark gaps, 12 sensors, 13 decompression chronographs, 14 Multifunctional measuring instrument, 15 electric energy prepaid devices, 16 protections control device, 17 isolation switches, 18 5 anti-interlocking gears, 19 casings, 20 circuit breaker operation mechanisms, 21 connecting rods, 22 backbone sealing rings, 23 installing holes, 24 installing plates, 25 sealing gaskets, 26 insulated tension poles, 27 poles, conduction rack on 28, 29 static contacts, 30 moving contacts, 31 times conduction racks, 32 rollers, 33 vacuum interrupters, 34 fin, 35 sealing casting matrixs, 36 air flow passage, 37 accommodation space A, 38 accommodation space B, 39 central control modules, 40 displays and operation module, 41 communication modules, 42 permanent magnetic drive modules, 43 switching value monitoring modulars, 44 analogue collection modules, 45 divide-shut brake control units, 46 Charge Management unit.

Detailed description of the invention

Below in conjunction with drawings and Examples, the technology implementation process of the present invention is described further.

Embodiment 1:

The present embodiment mainly introduces a kind of primary cut-out, and described primary cut-out, including Shell of circuit breaker, breaker body, operating mechanism and control module.

Further, described breaker body is vacuum circuit breaker body.

Further, in described Shell of circuit breaker, it is additionally provided with metal skirt, controls module and be located in metal skirt.

Further, described control module includes intelligent control circuit module, arc extinguishing controls module, power source protective module, divide-shut brake counting monitoring switch module.

Further, metal skirt is provided with multiple louvre.

Embodiment 2:

The present embodiment is to carry out on the basis of previous embodiment. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, there is very strong versatility.

The present embodiment is a kind of combined electrical apparatus cabinet, as it is shown on figure 3, include incoming line cabinet 1, 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 lay respectively at the bottom of incoming line cabinet, middle part, and measuring room 4 and control room 5 are positioned at the front, top of incoming line cabinet 1, and bus-bar room 6 is positioned at the upper back of incoming line cabinet 1;

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

Chopper 9, three winding current transformer 10, spark gap 11 and sensor 12 are installed in breaker chamber 3;

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

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

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

Further, main shaft and the operating mechanism of described isolation switch 17 are joined directly together.

Further, described chopper 9 is connected by five anti-interlocking gears 18 with isolation switch 17.

Further, described chopper 9 is permanent magnet type breaker.

Embodiment 3:

The present embodiment is on the basis of aforementioned a kind of embodiment or carries out on the basis of any two above example combination. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, there is very strong versatility.

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

Further, described casing 19 arranged outside has the installing plate 24 for installing pole, and installing plate 24 is connected with fixed type inflatable cabinet, and installing plate 24 is provided with the installing hole 23 being connected with fixed type inflatable cabinet.

Further, one layer of sealing gasket 25 it is provided with between installing plate 24 and described pole 27.

Further, being connected by a connecting rod 21 between circuit breaker operation mechanism 20 and the insulated tension pole 26 of pole 27, this connecting rod 21 is provided with backbone sealing ring 22 with casing 19 contact site.

Embodiment 4:

The present embodiment is on the basis of aforementioned a kind of embodiment or carries out on the basis of any two above example combination. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, combined electrical apparatus, there is very strong versatility.

A kind of Pole Of Vacuum Circuit Breakers of the present embodiment design, as seen in figs. 5-6, pole includes conduction rack 28, lower conduction rack 31, vacuum interrupter 33 is set between upper and lower conduction rack, it is positioned at the static contact 29 of vacuum interrupter 33, static contact 29 is connected with upper conduction rack 28, the moving contact 30 moved up and down in vacuum interrupter 33, and moving contact 30 keeps being connected with lower conduction rack 31. Upper and lower conduction rack and vacuum interrupter 33 outer wall are coated with sealing pour mass 35, and the sealing pour mass being positioned at vacuum interrupter 33 periphery is provided with air flow passage 36.

Further, described upper conduction rack 28 is provided with fin 34.

Further, also including drop shot, upper drop shot stretches out the part of vacuum interrupter 33 and is positioned at the hole seat of lower conduction rack, adopts roller type to be conductively connected both it.

Further, vacuum interrupter 33 inwall be ceramic wall, ceramic wall and periphery sealing pour mass 35 between be provided with buffer pad, buffer pad adopt silica gel make.

Further, a sidewall of described arc-chutes is connected to a gas storage chamber.

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

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

Further, it is provided with desiccant in described gas storage chamber.

Embodiment 5:

The present embodiment is on the basis of aforementioned a kind of embodiment or carries out on the basis of any two above example combination. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduces modified operation/method that pole is carried out, and modified object both can include pole entirety, it is also possible to be the various parts in pole. Introducing the method mixing Rare Earth Elements Determination in the present embodiment, concrete step is as follows:

(1)Zn(CH₃COO)₂·6H₂O is dissolved in deionized water, makes the zinc solution 100mL that concentration is 0.25mol/L, the Y (NO of the 5at% that adulterates at zinc solution situ₃)₃·6H₂O, stirs 5-15min.

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

(3) step (2) gained precipitate successively with distilled water, absolute ethanol washing repeatedly after, the Zinc oxide powder that doped with yttrium is made in 85 DEG C of drying is standby.

(4) Zinc oxide powder taking 10mg doped with yttrium is placed in agate mortar, add dehydrated alcohol and deionized water mixed liquor that volume ratio is 1:3, grind pulping, then it is evenly applied on the pole that hydrochloric acid and ethanol cleaning process, standing dries more than 10 hours, at 450 DEG C, (3 DEG C/min of heating rate) roasting 1h, is placed on one week of aging on agingtable, then encapsulates after taking-up.

After tested, the sealing property of pole is compared the pole of routine and is improved more than 3 times, and has good stability.

Embodiment 6:

The present embodiment is on the basis of aforementioned a kind of embodiment or carries out on the basis of any two above example combination. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, combined electrical apparatus, there is very strong versatility.

Except above-mentioned doped with yttrium (namely single rare earth element), it is also possible to adulterate other rare earth elements, it is also possible to adulterate multiple rare earth element simultaneously. Specifically comprise the following steps that

(1)ZnCl₂It is dissolved in deionized water, makes the zinc solution 100mL that concentration is 0.15mol/L, the Sm (NO of the 3at% that adulterates at zinc solution situ₃)₃Ce (the NO of 6H2O and 1at%₃)₃·6H₂O, stirs 5-15min.

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

(3) step (2) gained precipitate successively with distilled water, absolute ethanol washing repeatedly after, 85 DEG C of drying, and 300 DEG C of roasting 1h in atmosphere, the Zinc oxide powder making compound samarium cerium is standby.

(4) zinc oxide or the Zinc oxide powder that take 18mg compound samarium cerium are placed in agate mortar, add dehydrated alcohol and deionized water mixed liquor that volume ratio is 1:1.5, grind pulping, then it is evenly applied on the pole of hydrochloric acid and Ethanol Treatment, standing dries more than 10 hours, at 450 DEG C, (2 DEG C/min of heating rate) roasting 1h, is placed on one week of aging on agingtable, then encapsulates after taking-up.

After tested, the sealing property of pole is compared the pole of routine and is improved more than 3 times, and has and well stablize ruggedness.

Embodiment 7:

The present embodiment is on the basis of aforementioned a kind of embodiment or carries out on the basis of any two above example combination. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduces a kind of spring supervising device, and for monitoring the running status of spring existing in miscellaneous part in chopper and switch-box, concrete implementation is as follows:

Can there is a telescopic direction in spring, find fixed position, for installing the blade support of grating scale, be threaded connection or weld between grating scale support with switch cubicle (or miscellaneous part) in its telescopic direction. Grating scale is installed on blade support. The fixing read head support connecting miniaturization on a certain circle steel wire of spring, installs read head on read head support.

On blade support, read head support, it is provided with the installing hole of ellipse, by the installing hole of this ellipse, make grating scale, the position of read head can regulate, by regulating so that blade direction is highly consistent with telescopic spring direction, read head can accurately read the position on grating scale.

On read head, integrated microization processes chip, control chip, wireless transmitter so that the transmission that the data that read head gathers can be real-time is to neighbouring or far-end control centre, and these data are monitored and analyze by control centre, it is judged that the state of spring. Such as, loss of data, then it represents that spring comes off, data exceed normal range, then it represents that relaxing of spring, etc.

As an improvement of said structure and/or method, following structure is adopted can further to improve the degree of accuracy of spring supervising device. On the basis of said structure, enclosing other one and arrange another read head support on steel wire, arrange position and parallel with aforesaid read head backing positions, same arranges read head on read head support. It should be noted that the gap length of two read head supports should be more than or equal to 1/3rd of spring total length, simultaneously less than or equal to 3/4ths of spring total length. Two read heads are directed at same grating scale blade. Same, process chip, control chip, wireless transmitter by integrated microization, the data of collection are transferred out.

So, just can collect two groups of data, there is between two kinds of data values the difference of regulation, when this difference is beyond the scope allowed, then it represents that spring has lax sign, now should overhaul timely or directly change spring.

As the further improvement of such scheme, it is respectively provided with blade support in the both sides of spring, blade support is installed grating scale, in the both sides of spring, have installation read head support on the steel wire of certain intervals, read head support is installed read head. The gap length of two read head supports should be more than or equal to 1/3rd of spring total length, simultaneously less than or equal to 3/4ths of spring total length. So, just can be formed two groups can independent operating grating scale combination, it is achieved the compound of data and calibration, it is possible to more accurately the running status of spring is monitored.

Embodiment 8:

The present embodiment is on the basis of aforementioned a kind of embodiment or carries out on the basis of any two above example combination. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduces a kind of auxiliary locator, and this device is for assisting the installation of all kinds of part, and concrete technical scheme is as follows:

Auxiliary locator, connects in termination including horizon rule, miter square, horizon rule and miter square, and the two is in vertical state.All having scale on horizon rule and miter square, scale is minimum is divided into 0.5mm;

Horizontal direction chute is set in the scale direction of horizon rule, places slide block in chute, slide block connects slip chi vertically downward, slip chi is parallel with miter square, and slip chi, miter square are positioned at the homonymy of horizon rule, slip chi has scale, and scale is minimum is divided into 0.5mm;

The cross section of horizon rule is as shown in Figure 7, right side recess is accommodation space B (38), for holding slide block, left side recess is accommodation space A (37), the circular localizer with holes for placing (can be hang or absorption), localizer vertical direction has a centrage, and centrage is parallel with the graduation mark of horizon rule, and aligns easily; The center hole size of localizer is suitable with the screw size that need to install or suitable with the size needing mark position, and centre bore can allow that screw passes through, it is also possible to allow that marker pen passes through; Localizer is set to multiple, and the free end of horizon rule arranges dismountable stopper, and stopper is pulled down, i.e. the localizer of replaceable different size and type, it is also possible to change the slip chi of different size.

Improving as one, slip chi also has the accommodation space A of above-mentioned horizon rule, and for holding multiple localizer with holes, its free end also has dismountable stopper.

Improving as one, slide block and miter square can be one. The right side recess tight fit of slide block and horizon rule.

Improving as one, above-mentioned each parts can adopt iron-cobalt-nickel manufacture, and at least one has magnetic.

Improve as one, the middle part of horizon rule, the middle part of miter square, slip chi middle part, at least one in above-mentioned position arranges levelling tube, for observing the horizontally or vertically state of relevant position.

The auxiliary locator of said structure, overall slabbing, it is arranged on outside switchgear cabinet or in the groove of inner side, to save space. In the process of the installation of element, adopt auxiliary locator as above that the spacing between the locating elements such as screw can be set easily, and the spacing between multiple position can be set simultaneously; If needing boring, marker pen only need to be used to carry out labelling in the centre bore of localizer with holes, described auxiliary locator, simple, flexible, practical, it is favorably improved the installation effectiveness of element.

Embodiment 9:

The present embodiment is on the basis of aforementioned a kind of embodiment or carries out on the basis of any two above example combination. Need the content that special declaration, the present embodiment are applicable not only in the application to record, other choppers that to be equally applicable in the application not on the books, combined electrical apparatus, there is very strong versatility.

The present embodiment mainly introduce a kind of suitable in chopper and combined electrical apparatus thereof, switch cubicle, casing chassis adjusting apparatus, this device is also chopper and combined electrical apparatus, switch cubicle, the support of casing, mobile device, and concrete technical scheme is as follows:

Chassis adjusting apparatus includes the bearing support on top and the moving part of bottom.

As improving and selecting, chassis adjusting apparatus overall appearance can rectangle, cube, or other common profile isogonisms are trapezoidal, square, I shape, U-shaped.

Described bearing support is formed from steel, and top is platform, and platform arranges insulation rubber cushion, and insulation rubber cushion completely covers platform. The corner of platform (or other outward appearances corresponding position) upper surface, is respectively provided with round air level, and four round air levels are for through debugging and calibration, forming one sensing.The corner of platform is respectively arranged below pillar, described pillar is divided into upper supporting column and lower supporting rod, upper supporting column upper end and platform are rotationally connected, upper supporting column can rotate freely, the lower end outer surface of upper supporting column has the screw thread of the 1-3mm degree of depth, and the upper end outer surface of lower supporting rod has same screw thread, by the sleeve with same female thread, upper supporting column and lower supporting rod being connected, upper supporting column and lower supporting rod have certain interval in sleeve. Described lower supporting rod bottom is flexibly connected with moving part, and lower supporting rod can rotate freely. Having knob on described upper supporting column and/or lower supporting rod, or for for throw clampings such as spanners and then carry out the screens rotated, this screens is suitable with the clip position of the throw such as spanner in shape.

Rotating freely of described upper and lower pillar, at least includes making its in the vertical direction freely rotatable, namely enables upper and lower pillar precession, screws out sleeve.

Described moving part can be multidirectional road wheel, or other motion structures.

Improving as one, multidirectional road wheel has banking stop, and banking stop lifts, and multidirectional road wheel freely rolls, and banking stop is stepped on, and multidirectional road wheel can not roll.

Improving as one, four moving parts are connected between two by stiffener in the horizontal direction, form firm supporting construction.

Improving as one, multidirectional road wheel and ground contact portion all adopt the macromolecular material of insulation to make, and described macromolecular material all has high rigidity.

Improving as one, breaker body is arranged below chassis and propulsive mechanism, and described breaker body is arranged on propulsive mechanism, and propulsive mechanism is arranged on a chassis, and the bottom of chassis is provided with chassis adjusting apparatus.

Described chassis can be used alone, and is not limited by propulsive mechanism thereon, breaker body or casing.

The above-mentioned adjustable type chassis/chassis adjusting apparatus with functions such as insulation, leveling is to carry out leveling in the following way: chassis is moved to needs position, is stepped on by the banking stop of multidirectional road wheel so that multidirectional road wheel must not roll. Observing the round air level on the platform of bearing support, bubble as being not in the circular lines of middle part, then needs to be adjusted. Regulation rule is, when which angle bubble be partial to, then and corresponding by rotating this angle upper and lower pillar, make this Angle Position decline, by repeatedly adjusting, bubble is placed in the middle gradually.

By technical scheme above, it is possible to make chassis insulation, level, be of value to security appliance.

Embodiment 10:

As shown in Figure 8, a kind of controller suitable in permanent magnet type vacuum circuit-breaker, the central control module 39 that it includes communication module 41, dual controller by dsp controller and ARM chip is constituted, and the power module of electric power is provided, described power module can be selected for PT power supply. Concrete technical scheme is as follows:

Central control module 39 is made up of two high-performance microprocessors; achieve anti-tripping operation, No. three reclosings, manual brake separating locking, under-voltage protections, cross the functions such as stream, quick-break, time delay quick-break; detection circuit transient fault and permanent fault; eliminate the transient fault impact on circuit; isolation permanent fault section, automatically recovers non-faulting section electrical network and powers.

This controller also includes the analogue collection module 44, switching value monitoring modular 43 and the permanent magnetic drive module 42 that electrically connect with described dsp controller respectively, and the display being electrically connected with described ARM chip and operation module 40 and described communication module 41.

Described analogue collection module 44 gathers A phase current, B phase current, C phase current, zero-sequence current, AC voltage between phases and capacitance voltage, dsp controller is by the value of real-time Monitoring Line voltage x current and is relatively judged line fault by definite value, thus carrying out respective handling; By gathering the value of capacitance voltage, compare with threshold value, do not carry out divide-shut brake lower than threshold value locking, higher than threshold value, lock release, it is achieved capacitance voltage defencive function.

Described switching value monitoring modular 43 is for detecting the on off state of vacuum circuit breaker, receiving divide-shut brake control signal, and signal is reached central control module 39, this central control module 39 controls connected module and carries out remotely monitoring or perform breaking-closing operating.

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

Described divide-shut brake control unit 42 includes the bus transceiver, hybrid integrated IGBT actuator unit and the IGBT driver element by the driving of this hybrid integrated IGBT actuator unit that electrically connect with described dsp controller, described bus transceiver electrically connects with described hybrid integrated IGBT actuator unit, and described IGBT driver element controls the divide-shut brake of relay;

Described display and operation module 40 include being subject to the display screen of ARM chip controls, operation keyboard, display lamp and on and off switch; Display screen is dot matrix type liquid crystal display screen, and operation keyboard has 12 buttons, the function of expression be respectively as follows: up/down/left/right shift, confirm, exit, arrange, inquire about, separating brake, combined floodgate, reset, standby; 9 display lamps represent operation, separating brake, combined floodgate, fault, decompression, energy storage, locking, GSM, the functional status such as standby respectively; Opening PT power supply, dsp controller can will have electric side PT to switch to power supply automatically; Open storage battery source switch, under power down mode, it is ensured that dsp controller normal operation.

Described communication module 41 includes being the communication interface of RS232/RS485, GSM short message unit and RCU nearby, and the GSM drive circuit of described GSM short message unit is for having selected TC35 communication module group, and RCU has selected NT-E13D model nearby.

Prior art has been improved by the present invention, therefore has used for reference prior art in implementation process, as space is limited, prior art part is not described in detail; The NM technology segment of every present invention, all can adopt existing techniques in realizing.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (9)

1. a permanent magnet type vacuum circuit-breaker, it is characterised in that: described permanent magnet type vacuum circuit-breaker includes Shell of circuit breaker, breaker body, operating mechanism and control module.

2. permanent magnet type vacuum circuit-breaker according to claim 1, it is characterised in that: described breaker body is permanent magnet type breaker body.

3. permanent magnet type vacuum circuit-breaker according to claim 1 and 2, it is characterized in that: also include combined electrical apparatus cabinet, combined electrical apparatus cabinet includes incoming line cabinet (1), 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) lay respectively at the bottom of incoming line cabinet (1), middle part, measuring room (4) and control room (5) are positioned at the front, top of incoming line cabinet (1), and bus-bar room (6) is positioned at the upper back of incoming line cabinet (1);The double; two no-load voltage ratio voltage transformer (7) of double winding and high-tension fuse (8) are installed in basement (2); Chopper (9), three winding current transformer (10), spark gap (11) and sensor (12) are installed in breaker chamber (3); Decompression chronograph (13), Multifunctional measuring instrument (14) are installed in measuring room (4); Electric energy prepaid devices (15) is installed in control room (5), and protection controls device (16); Isolation switch (17) and bus bar are installed in bus-bar room (6).

4. permanent magnet type vacuum circuit-breaker according to claim 3, it is characterised in that: also including auxiliary locator, connect in termination including horizon rule, miter square, horizon rule and miter square, the two is in vertical state; All having scale on horizon rule and miter square, scale is minimum is divided into 0.5mm; Horizontal direction chute is set in the scale direction of horizon rule, places slide block in chute, slide block connects slip chi vertically downward, slip chi is parallel with miter square, and slip chi, miter square are positioned at the homonymy of horizon rule, slip chi has scale, and scale is minimum is divided into 0.5mm; The cross section of horizon rule includes right side recess, for accommodation space B (38), for holding slide block, the cross section of horizon rule includes left side recess, for accommodation space A (37), for placing circular localizer with holes, localizer vertical direction has a centrage, and centrage is parallel with the graduation mark of horizon rule; The center hole size of localizer is suitable with the screw size that need to install or suitable with the size needing mark position, and centre bore can allow that screw passes through; Localizer is set to multiple, and the free end of horizon rule arranges dismountable stopper, and stopper is pulled down, i.e. the localizer of replaceable different size and type, it is also possible to change the slip chi of different size.

5. permanent magnet type vacuum circuit-breaker according to claim 4, it is characterised in that: slip chi also has the accommodation space A of horizon rule, and for holding multiple localizer with holes, its free end also has dismountable stopper.

6. permanent magnet type vacuum circuit-breaker according to claim 5, it is characterised in that: slide block and miter square one; Each parts can adopt ferrum or cobalt or nickel manufacture, and at least one has magnetic.

7. permanent magnet type vacuum circuit-breaker according to claim 6, it is characterised in that: the middle part of horizon rule, the middle part of miter square, slip chi middle part, at least one in above-mentioned position arranges levelling tube, for observing the horizontally or vertically state of relevant position.

8. the permanent magnet type vacuum circuit-breaker according to any one of claim 4-7, it is characterised in that: also including chassis adjusting apparatus, chassis adjusting apparatus includes the bearing support on top and the moving part of bottom; Chassis adjusting apparatus overall appearance is rectangle;

Described bearing support is formed from steel, and top is platform, and platform arranges insulation rubber cushion, and insulation rubber cushion completely covers platform; The corner upper surface of platform, is respectively provided with round air level, and four round air levels are for through debugging and calibration, forming one sensing; The corner of platform is respectively arranged below pillar, described pillar is divided into upper supporting column and lower supporting rod, upper supporting column upper end and platform are rotationally connected, upper supporting column can rotate freely, the lower end outer surface of upper supporting column has the screw thread of the 1-3mm degree of depth, and the upper end outer surface of lower supporting rod has same screw thread, by the sleeve with same female thread, upper supporting column and lower supporting rod being connected, upper supporting column and lower supporting rod have certain interval in sleeve; Described lower supporting rod bottom is flexibly connected with moving part, and lower supporting rod can rotate freely; Described upper supporting column and/or lower supporting rod have knob, or for clamping for throw and then carrying out the screens rotated, this screens is suitable with the clip position of throw in shape.

9. permanent magnet type vacuum circuit-breaker according to claim 8, it is characterised in that: moving part is multidirectional road wheel, and multidirectional road wheel has banking stop; Four moving parts are connected between two by stiffener in the horizontal direction, form firm supporting construction; Multidirectional road wheel and ground contact portion all adopt the macromolecular material of insulation to make, and described macromolecular material all has high rigidity.