CN106842009B - A kind of contacts for vacuum-break switches disjunction detection means - Google Patents

Abstract

The present invention relates to a kind of contacts for vacuum-break switches disjunction detection means, controller and the longitudinal slide unit device with disjunction detection means and level(l)ing device are provided with spring mechanism box, longitudinal slide unit device upper end is hinged on spring mechanism box, lower end is hinged on spring mechanism box by level(l)ing device, disjunction detection means includes the bearing containing outer ring and inner ring, the 3rd motor that driving wheel is installed in output shaft is provided with outer ring, horizon sensor and slip ring, driving wheel coordinates with inner ring to be driven, inner ring medial surface is provided with generating laser and laser pickoff corresponding thereto, it is additionally provided with left limit switch, right limit is switched and the mounting seat with spring needle, spring needle is slidably connected with slip ring, the control line of component is connected with spring needle successively on inner ring, each component is electrically connected with controller.The detection means measurement accuracy that the present invention is provided is high, and measurement is accurate, and measurement process is safe.

Description

A kind of contacts for vacuum-break switches disjunction detection means

Technical field

The invention belongs to electric device maintenance technical field, the shell and radome for being particularly based on vacuum interrupter are transparent The vacuum circuit breaker of glass, proposes a kind of contacts for vacuum-break switches disjunction detection means.

Background technology

With expanding economy, science and technology and the raising of the level of IT application and global resources and environmental problem become increasingly conspicuous, The reliable power supply of power network becomes extremely important to user.Carrying forward vigorously power network intellectuality turns into current China's power grid construction situation Under new challenge.The entirety that strong intelligent grid is made up of various power equipments after intelligent, the intelligence of so-called power equipment Change the change for not representing the equipment general principle, and refer to equipment and its status visualization of appurtenances and observing and controlling numeral Change.Sensor, controller and its interface have turned into the indispensable part of smart machine.Widely popularize at present based on reliable Property maintenance be according to equipment state and reliability proposition a kind of new evaluation criteria, be the improvement to repair based on condition of component.It is required that The working condition of electric apparatus continuously can be fed back to staff by novel detection device.

High-pressure vacuum breaker is the important executive component of power system, is the large-scale electricity for being only second to generator and transformer Power equipment, it is completed to switch operation operation during normal operation, and equipment or circuit are accessed power network or out of service, plays operation control Effect；The energy fast shut-off faulty line when equipment and line failure, it is ensured that no failure part is normally run, plays operation and protects Shield is acted on.

But, high-pressure vacuum breaker is also to collect the most a kind of important electric power of failure, maintenance, the parameter measurement frequency to set It is standby, there is very high fault rate in running, easily cause power grid accident, cause larger economic loss, therefore to its reliability Propose very high requirement.

If short-circuit adhesion occurs when moving contact and the static contact disjunction of vacuum circuit breaker, or there is between contact arcing The burr of generation, even if sending trip signal, due to not having electrical isolation or disjunction between contact apart from too small, to breaker outgoing line Various operations bring fatal hidden danger behind end, breaker dynamic/static contact disjunction detection turn into one it is in the urgent need to address the problem of.

Chinese patent mandate publication number CN1595188A discloses a kind of contacts for vacuum-break switches based on vibrations analysis and closed The online test method of the conjunction, comprises the following steps：1) installation site and installation direction of selection shock sensor；2) set Sampling order, sample frequency, sampling length and triggering mode are simultaneously stored to sampled data；3) vibration data is pre-processed； 4) type and length of mobile window function are chosen, is analyzed using short-time energy algorithm；5) threshold value is selected, determines that three touch The on-off time of head；6) on-off time triggered according to three-phase calculates combined floodgate aeration and opening time.

Vacuum circuit breaker can produce vibrations in operation and natural environment, and the testing result on sensor produces influence, together When shock sensor vibrations use can destroy the structural strength of breaker, with vibrations, the framework of vacuum circuit breaker can be gradually Loosely, potential danger is caused in use, while can more influence the measurement structure of sensor after framework is loose, causes system Erroneous judgement.

Chinese patent mandate publication number CN104140008A discloses a kind of contacts for vacuum-break switches division gate position detection Method and apparatus, when this method is due to contacts for vacuum-break switches division, the electric capacity on radome can change, pass through inspection The copper foil induction field size of vacuum circuit breaker surface radome position is surveyed, to calculate the size of radome capacitance, so that really Determine the division gate position of contact；The device is made up of copper foil, electric-field sensor, detection process unit, and the copper foil is attached at very Empty breaker surface, and it is contour with radome, copper foil is connected on the input of detection process unit through wire.

The vacuum interrupter of vacuum circuit breaker, with each break-make of breaker, can all produce electric arc, during generation electric arc all Can be along with substantial amounts of metallic vapour and charging point, the radome in vacuum extinction room can carry metal steam pockety Vapour and charging point, cause the pollution of radome, when being detected with the method, and metallic vapour and charging point can be with breakers Disjunction increased frequency and increase, cause accuracy of measurement to decline, until division gate position can not be measured accurately.

Chinese patent mandate publication number CN105137344A discloses a kind of detection side of contact of breaker electrical reliability Method, including：Step 1) measurement circuit breaker operation mechanism on/off switch before and after move distance S1；Step 2) in the single-phase arc extinguishing of breaker Room two ends are continuously applied a direct current, measure arc-chutes both end voltage Ui in real time and flow through the electric current Ii of arc-chutes；Step 3) Make the change curve of voltage Ui, electric current Ii with time t from drive mechanism motion start time, specifically include voltage Ui- times t bent Line and electric current Ii- time t curves；Step 4) the corresponding time T1 in first highest peak position is found out, calculate the reality of dynamic and static contact Open away from S2 on border；Step 5) judge the ablation degree of arc extinguishing chamber contact.

The method needs to connect outer lead on conducting rod to apply direct current, during the normal use of breaker, The presence of outer lead can cause the reduction of breaker integral insulation intensity, direct current electro-detection can only judge contact whether disjunction, no It can judge whether contact disjunction situation meets the requirements, i.e., whether in place disjunction.

The content of the invention

The present invention is filled for the background technology technical problem to be solved there is provided a kind of contacts for vacuum-break switches disjunction detection Put, measurement accuracy is high, measurement is accurate, and measurement process is safe.

The present invention solves the technical scheme that is used of its above mentioned problem：A kind of contacts for vacuum-break switches disjunction detection dress Put, controller and longitudinal slide unit device are provided with the spring mechanism box of vacuum circuit breaker, set on longitudinal slide unit device There are disjunction detection means and level(l)ing device.

The longitudinal slide unit device is arranged on spring mechanism box towards the side of vacuum interrupter, the vacuum interrupter Shell and radome are constituted using clear glass, and the upper end of longitudinal slide unit device is hinged on spring mechanism box, and lower end passes through water Heibei provincial opera regulating device is hinged on spring mechanism box.

The disjunction detection means includes the bearing being arranged on longitudinal slide unit device, and the bearing is set in vacuum extinction Outdoor, the bearing includes the outer ring and inner ring with central shaft, and the outer ring upper side is provided with the 3rd motor and horizontal sensor Driving wheel is installed, the driving wheel is engaged transmission with inner ring upper side, described interior on device, the output shaft of the 3rd motor Circle medial surface is provided with generating laser, and the inner ring medial surface and generating laser relative position are provided with laser pick-off Device, the laser that the generating laser is projected is provided with and institute on the inner ring by the center directive laser pickoff of inner ring State the left limit switch and right limit switch of the 3rd motor homonymy, with the rotation of inner ring, left limit switch and right limit switch Triggering device can mutually be touched with driving wheel respectively, the outer ring downside be provided with annular slip ring, the inner ring downside It is provided with mounting seat, the mounting seat and is provided with spring needle, the spring needle matches and is slidably connected with the slip ring.

The control line that the generating laser, laser pickoff, left limit switch and right limit are switched is separately fixed at axle The downside of inner ring is held, and the spring needle terminals being consecutively connected in the mounting seat, signal passes through spring needle and slip ring is passed It is defeated into controller.

The level(l)ing device includes the second motor being hinged on spring mechanism box, the output shaft of second motor On be provided with the second leading screw, second leading screw slide set the second sliding block, second sliding block be hinged on longitudinal slide unit dress Put.

3rd motor, horizon sensor, generating laser, laser pickoff, left limit switch, right limit switch and Second motor is electrically connected with controller respectively.

It is preferred that, the longitudinal slide unit device includes being provided with parallel first on longitudinal carrier, the longitudinal carrier Leading screw and the first guide rod, the first motor is provided with the first leading screw end, sets adjustable on first guide rod Upper limit position switch and lower position switch, slide on first leading screw and the first guide rod and are provided with the first sliding block, the bearing Outer ring be arranged on the first sliding block, the upper limit position switch, lower position switch and the first motor electrically connect with controller respectively Connect.

It is preferred that, in order to avoid after vacuum circuit breaker normal work and disjunction detect in disturb, the bearing and Driving wheel is constituted using insulating materials.

It is preferred that, in order to be alarmed in time to control centre after improper disjunction is detected, containing logical in the controller Believe module.

It is preferred that, in order to be able to the disjunction situation and deformation in comprehensive detection contact disjunction face, using the driving wheel as Summit is switched with left limit and right limit switchs constituted angle and is less than 90 degree.

It is preferred that, it is provided with force cell, the dynamometry between the vacuum interrupter moving conductive rod and transmission device Insulate and connect between sensor and moving conductive rod, the force cell can measure pulling force and pressure, the force cell It is electrically connected with controller.

Implement the invention has the advantages that：

1st, to existing vacuum circuit breaker constructions moment-less influence, detection means is set in vacuum extinction outside, detected Journey does not produce influence to the insulating properties of breaker, safe in measurement process using neutralizing；

2nd, multiple sensors auxiliary detection breaker division state is utilized, it is to avoid single Detection results are not good, improve survey Measure the accuracy of result；

3rd, the disjunction situation between contact is judged according to laser signal, may determine that incessantly whether disjunction, can also judge Whether the distance for going out disjunction meets normal disjunction requirement, improves the accuracy of measurement result, effectively the hair of reduction wrong report accident It is raw；

4th, according to the measurement result of force cell, stress size and disjunction stress time in breaking course judge Disjunction situation between contact, while the accuracy of laser detection can also be verified, a variety of testing results are mutually authenticated, it is to avoid by mistake Report.

Brief description of the drawings

Below in conjunction with drawings and Examples, the invention will be further described；

Fig. 1 is the structural representation of the preferred embodiment of the present invention；

Fig. 2 is the disjunction detection means schematic diagram of the preferred embodiment of the present invention；

Fig. 3 is the longitudinal slide unit schematic device of the preferred embodiment of the present invention；

Fig. 4 is the disjunction detection means close-up schematic view of the preferred embodiment of the present invention.

In accompanying drawing：

100th, spring mechanism box, 110, insulated tension pole, 120, triangle connecting lever, 130, force cell,

200th, vacuum interrupter, 210, moving conductive rod, 211, moving contact, 220, static conductive rod, 221, static contact,

310th, longitudinal carrier, the 320, first leading screw, the 330, first guide rod, 331, upper limit position switch, 332, lower position switch, 340th, the first motor, the 350, first sliding block,

400th, bearing,

410th, outer ring, the 411, the 3rd motor, 412, driving wheel, 413, horizon sensor, 414, slip ring,

420th, inner ring, 421, generating laser, 422, laser pickoff, 423, left limit switch, 424, right limit switch, 425th, mounting seat, 426, spring needle,

501st, the second motor, the 502, second leading screw, the 503, second sliding block；

Embodiment

In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.

Furthermore, it is necessary to explanation, unless stated otherwise or is pointed out, the otherwise term that may relate in specification The description such as " first ", " second ", " the 3rd ", " on ", " under " is used only for distinguishing each device in specification, element, step Deng without logical relation or ordinal relation for being intended to indicate that between each device, element, step etc..

The correlation word of " forward direction work " " reverse operation " of the 3rd motor 411 and the first motor 340 is only for description Convenience, the carrying out practically direction of motor is not represented.

As shown in figure 1, a kind of contacts for vacuum-break switches disjunction detection means, including the spring mechanism box with transmission device 100 and vacuum interrupter 200, the shell and radome of vacuum interrupter 200 are constituted using clear glass, in spring mechanism box 100 side, being provided with towards the side of vacuum interrupter 200 on longitudinal slide unit device, longitudinal slide unit device includes disjunction inspection Device and level(l)ing device are surveyed, the direction of motion of longitudinal slide unit device, the i.e. direction of motion of disjunction detection means are gone out with vacuum Arc chamber 200 is parallel, and the upper end of longitudinal slide unit device is hinged on spring mechanism box 100, and lower end is cut with scissors by level(l)ing device It is connected on spring mechanism box 100.

Wherein, as shown in figure 3, longitudinal slide unit device include longitudinal carrier 310, be provided with longitudinal carrier 310 with very Empty arc-chutes 200 parallel the first leading screw 320 and the first guide rod 330, the first motor is provided with the end of the first leading screw 320 340, adjustable upper limit position switch 331 and lower position switch 332 are installed at the two ends of the first guide rod 330, in the first leading screw 320 The first sliding block 350 is provided with being slided on the first guide rod 330, the first sliding block 350 can be with fortune above and below the rotation of the first leading screw 320 It is dynamic.

Level(l)ing device includes the second motor 501 being hinged on spring mechanism box 100, the output of the second motor 501 It is provided with axle on the second leading screw 502, the second leading screw 502 and is slidably fitted with the second sliding block 503, the second sliding block 503 and longitudinal direction branch The lower end of frame 310 is hinged.

As shown in Fig. 2 being provided with the bearing for being divided into inner ring 420 and outer ring 410 of a plastic material on the first sliding block 350 400, bearing 400 is set in the outside of vacuum interrupter 200, in order between the detection contact of vacuum interrupter 200 as accurate as possible Whether disjunction, the central shaft of bearing 400 and the center overlapping of axles of vacuum interrupter 200.

It is provided with the 3rd motor 411, the output shaft of the 3rd motor 411 and is provided with the upper side of outer ring 410 of bearing 400 Driving wheel 412, driving wheel 412 is constituted using friction pulley, the side phase frictional rotation of outer ring 410 of driving wheel 412 and bearing 400.

Driving wheel 412 can also be gear, and the gear matched is provided with the one side that outer ring 410 is in contact, is passed through The rotation of inner ring 420 is realized in the engagement of gear.

A horizon sensor 413 is also equipped with outer ring 410, horizon sensor 413 and level(l)ing device pass through The Level tune of the upper side or downside of bearing 400 is realized in the control of controller, at the upper side or downside for maintaining bearing 400 In horizontality.

Generating laser 421 is provided with the medial surface of inner ring 420 of bearing 400, relative with generating laser 421 Laser pickoff 422, the laser directive laser pickoff 422 that generating laser 421 is sent are provided with the medial surface of inner ring 420.

Left limit switch 423 and right limit switch 424, left limit switch are installed on the side of 400 inner ring of bearing 420 423 and right limit switch 424 with driving wheel 412 be in homonymy, when driving wheel 412 rotate drive inner ring 420 rotate after, driving wheel 412 trigger units that can switch 424 with left limit switch 423 and right limit respectively are mutually touched, right when rotated in order to meet laser Vacuum interrupter 200 carries out complete cutting scanning, it is necessary to be that summit is opened with left limit switch 423 and right limit with driving wheel 412 Close 424 angles constituted and be less than 90 degree, the i.e. anglec of rotation of inner ring 420 more than 180 degree.

As shown in figure 4, being provided with slip ring 414 in the downside of 400 outer ring of bearing 410, the setting of slip ring 414 exceeds left limit The scope of the big arc formed between switch 423 and right limit switch 424, mounting seat is provided with the side of 400 inner ring of bearing 420 425, mounting seat 425 is located in phase the same side, mounting seat 425 with slip ring 414 is provided with spring needle 426, spring needle 426 and slip ring 414 correspond, and the electrical connection mutually slided, generating laser 421, laser pickoff on the inner ring 420 of bearing 400 422nd, the control line of left limit switch 423 and right limit switch 424 is fixed on the downside of inner ring 420 and is all consecutively connected to On the terminals of spring needle 426, electrically connected by the slip of spring needle 426 and slip ring 414, by the electricity of above-mentioned each electronic component Signal is transferred in controller.

Force cell 130 is set between the moving conductive rod 210 and transmission device of vacuum interrupter 200 simultaneously, that is, existed Force cell 130 is installed, between force cell 130 and moving conductive rod 210 between moving conductive rod 210 and triangle connecting lever 120 Insulation connection, force cell 130 can measure pulling force and pressure.

Controller is arranged on the guidance panel of the inside of spring mechanism box 100 or vacuum circuit breaker, is contained in controller Communication module.

Above mentioned upper limit position switch 331, lower position switch 332, the first motor 340, the 3rd motor 411, level Sensor 413, generating laser 421 and laser pickoff 422 are electrically connected with controller respectively.

Further, in order to detect the disjunction of every group of vacuum interrupter 200, in every group of vacuum interrupter of vacuum circuit breaker 200 outsides set a set of contacts for vacuum-break switches disjunction detection means.

Further, for a better understanding of the present invention, the detection method of the present invention is additionally provided, is comprised the following steps：

Step 1：Adjust the position of first sliding block 350：

The range of movement of the first sliding block 350 is adjusted by upper limit position switch 331 and lower position switch 332 so that vacuum is broken After the normal disjunction of road device, when the first sliding block 350 is located at upper limit position switch 331, the laser that generating laser 421 is sent is touched with dynamic First 211 disjunction face is mutually neat, and being capable of directive laser pickoff 422；First sliding block 350 is located at lower position switch 332, laser The disjunction face of the laser that transmitter 421 is sent and static contact 221 is mutually neat, and being capable of directive laser pickoff 422.

Step 2：Initial state：

In vacuum circuit breaker normal work, the first sliding block 350 is located at lower position switch 332, the first motor 340, the Two motors 501, the 3rd motor 411, generating laser 421 and laser pickoff 422 do not work.

Step 3：Horizontal adjustment：

After the completion of vacuum circuit breaker disconnection, controller judges that disjunction is detected according to the testing result of horizon sensor 413 Whether device is in horizontality.

If in horizontality, carrying out next step；

If being not at horizontality, the controller control forward or reverse of the second motor 501, the second sliding block 503 of adjustment exists Position on second leading screw 502, and then the angle of longitudinal slide unit device and disjunction detection means is adjusted, make at disjunction detection means In horizontality, next step is then carried out.

Step 4：The detection in the disjunction face of static contact 221：

The controller control motor 411 of generating laser 421 and the 3rd is respectively started, and generating laser 421 sends laser and penetrated To laser pickoff 422, the 3rd motor 411 under the control of the controller, forward and reverse alternate rotation, i.e.,：Inner ring 420 is in the 3rd electricity Do reciprocal not less than the rotating of 180 degree scope between left limit switch 423 and right limit switch 424 under the drive of machine 411 Motion, judges 221 points of section part laser conducting situations of static contact.

Step 5：Detection between moving contact 211 and the disjunction face of static contact 221：

Controller control the first motor 340 rotate forward, the first sliding block 350 under the turning effort of the first leading screw 320 to Upper motion, the 3rd motor 411 does forward and reverse alternate rotation not less than 180 degree scope, while generating laser 421 sends laser The direction of directive laser pickoff 422, judges the laser signal reception condition of laser pickoff 422.

Step 6：The detection in the disjunction face of moving contact 211：

After the first sliding block 350 moves to upper limit position switch 331, the first motor 340 is stopped, the 3rd motor 411 after The continuous forward and reverse alternate rotation done not less than 180 degree scope, generating laser 421 sends laser directive laser pickoff 422, sentenced Disconnected 211 points of section part laser conducting situations of moving contact.

Step 7：Recover initial state：

After the first sliding block 350 moves to upper limit position switch 331 and completes the detection in the disjunction face of moving contact 211, controller The first motor 340 is controlled to invert, while the 3rd motor, generating laser 421 and laser pickoff 422411 are stopped, first Sliding block 350 returns to the first motor 340 after lower position switch 332 and is stopped, and waits the inspection of contacts for vacuum-break switches disjunction next time Survey.

Step 8：Result judgement：

a：If the first sliding block 350 laser pickoff 422 at lower position switch 332 does not occur can't detect laser letter Number situation, and the first sliding block 350 reach upper limit position switch 331 after laser pickoff 422 occur not detecting laser signal Situation, controller judges it is that the disjunction of moving contact 211 distance is not enough；

b：If laser pickoff 422 does not have in upper limit position switch 331 and the gamut of lower position switch 332 The situation of laser signal is received, then controller judges it is that sintering adhesion occurs for moving contact 211 and static contact 221, without disjunction；

c：If not detecting occurs at upper limit position switch 331 and (or) lower position switch 332 in laser pickoff 422 The situation of laser signal, moves in other scopes in contact and the situation that can't detect laser signal does not occur, then controller is sentenced Disconnected is that scaling loss deformation occurs for moving contact 211 and (or) the disjunction face of static contact 221.

Preferably, force cell stress is detected：

In vacuum circuit breaker disconnection process, transmission device stress, i.e.,：Insulated tension pole 110 pulls triangle connecting lever 120, three Angle connecting lever 120 drive moving conductive rod 210 upwards move, separate moving contact 211 and static contact 221, before separation, neutralize after During, the power of force cell 130 in real time between measurement moving conductive rod 210 and triangle connecting lever 120, and signal is passed into control Device；

In vacuum circuit breaker normal work, the stress of force cell 130 is pressure, is terminated since separation to separation During stress pulling force is switched to by pressure, normal separation terminates rear force cell 130 and not stressed, and controller is according to force-measuring sensing The stress maximum of device 130 and stress time judge the disjunction situation between moving contact of breaker 211 and static contact 221；

If controller judges that the stress maximum that force cell 130 is detected is more than normal disjunction maximum, and (or) disjunction terminates rear stress for pulling force and continue constant, and (or) to be shown as on the breaking course time stress duration big In normal break, it is that moving contact 211 is sintered with static contact 221 that controller, which judges, is not turned off.

Preferably, system alarm：

If controller judges that moving contact 211 and the disjunction of static contact 221 are abnormal, controller is alarmed by communication module, is shown Abort situation and information, notify staff to be checked.

In summary, only presently preferred embodiments of the present invention, not for limiting the scope of the present invention, by above-mentioned Description, relevant staff can carry out various change without departing from the scope of the technological thought of the present invention' completely More and modification.The technical scope of this invention is not limited to the content on specification, all claimed ranges under this invention Described shape, construction, feature and spiritual so-called equivalent changes and modifications, all should include and scope of the presently claimed invention It is interior.

Claims (6)

1. a kind of contacts for vacuum-break switches disjunction detection means, it is characterised in that：

Controller and longitudinal slide unit device are provided with the spring mechanism box (100) of vacuum circuit breaker, in longitudinal slide unit device On be provided with disjunction detection means and level(l)ing device,

The longitudinal slide unit device is arranged on spring mechanism box (100) towards the side of vacuum interrupter (200), and the vacuum is gone out The shell and radome of arc chamber (200) are constituted using clear glass, and the upper end of longitudinal slide unit device is hinged on spring mechanism box (100) on, lower end is hinged on spring mechanism box (100) by level(l)ing device,

The disjunction detection means includes the bearing (400) being arranged on longitudinal slide unit device, and the bearing (400) is set in very Outside, the bearing (400) includes the outer ring (410) and inner ring (420) with central shaft to empty arc-chutes (200),

Outer ring (410) upper side is provided with the 3rd motor (411) and horizon sensor (413), the 3rd motor (411) Output shaft on driving wheel (412) is installed, the driving wheel (412) is engaged transmission with inner ring (420) upper side,

Inner ring (420) medial surface is provided with generating laser (421), in the inner ring (420) medial surface and Laser emission Device (421) relative position is provided with laser pickoff (422), and the laser that the generating laser (421) is projected passes through inner ring (420) center directive laser pickoff (422),

The left limit being provided with the inner ring (420) with the 3rd motor (411) homonymy switchs (423) and right limit is switched (424), with the rotation of inner ring (420), left limit switch (423) and right limit switch (424) triggering device can respectively with Driving wheel (412) is mutually touched,

Outer ring (410) downside is provided with the slip ring (414) of annular, and inner ring (420) downside is provided with mounting seat (425) spring needle (426), is provided with the mounting seat (425), the spring needle (426) matches with the slip ring (414) And be slidably connected,

The generating laser (421), laser pickoff (422), left limit switch (423) and right limit switch the control of (424) Line processed is separately fixed at the downside of bearing (400) inner ring (420), and the spring being consecutively connected in the mounting seat (425) Pin (426) terminals, signal is transferred in controller by spring needle (426) and slip ring (414),

The level(l)ing device includes the second motor (501) being hinged on spring mechanism box (100), second motor (501) it is provided with to slide on the second leading screw (502), second leading screw (502) on output shaft and the second sliding block (503) is set, Second sliding block (503) is hinged on longitudinal slide unit device,

3rd motor (411), horizon sensor (413), generating laser (421), laser pickoff (422), left limit (423), right limit switch (424) and the second motor (501) is switched to be electrically connected with controller respectively.

2. contacts for vacuum-break switches disjunction detection means as claimed in claim 1, it is characterised in that：

The longitudinal slide unit device includes being provided with parallel first on longitudinal carrier (310), the longitudinal carrier (310) Thick stick (320) and the first guide rod (330), are provided with the first motor (340), described first in the first leading screw (320) end Adjustable upper limit position switch (331) and lower position switch (332) are set on guide rod (330), in first leading screw (320) and Slided on first guide rod (330) and be provided with the first sliding block (350), the outer ring (410) of the bearing (400) is arranged on the first sliding block (350) on, the upper limit position switch (331), lower position switch (332) and the first motor (340) electrically connect with controller respectively Connect.

3. contacts for vacuum-break switches disjunction detection means as claimed in claim 1, it is characterised in that：

The bearing (400) and driving wheel (412) are constituted using insulating materials.

4. contacts for vacuum-break switches disjunction detection means as claimed in claim 1, it is characterised in that：

Contain communication module in the controller.

5. contacts for vacuum-break switches disjunction detection means as claimed in claim 1, it is characterised in that：

It is less than 90 with the angle that the driving wheel (412) is made up of summit and left limit switch (423) and right limit switch (424) Degree.

6. contacts for vacuum-break switches disjunction detection means as claimed in claim 1, it is characterised in that：

Vacuum interrupter (200) moving conductive rod (210) is provided with force cell (130) between transmission device, described Insulate and be connected between force cell (130) and moving conductive rod (210), the force cell (130) can measure pulling force and Pressure, the force cell (130) is electrically connected with controller.