CN108400054A - A kind of outdoor vacuum circuit breaker control system - Google Patents
A kind of outdoor vacuum circuit breaker control system Download PDFInfo
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- CN108400054A CN108400054A CN201810301842.9A CN201810301842A CN108400054A CN 108400054 A CN108400054 A CN 108400054A CN 201810301842 A CN201810301842 A CN 201810301842A CN 108400054 A CN108400054 A CN 108400054A
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- Prior art keywords
- circuit breaker
- control box
- vacuum circuit
- divide
- operation control
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- 230000005540 biological transmission Effects 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 42
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 14
- 239000012212 insulator Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 description 14
- 229920000647 polyepoxide Polymers 0.000 description 14
- 230000006870 function Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H02J13/0075—
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of outdoor vacuum circuit breaker control systems, including installing vacuum circuit breaker on utility poles, voltage transformer, control terminal and switch mechanism, the tip shelf of the electric pole is equipped with power transmission line, the vacuum circuit breaker and voltage transformer access cable by user and are connect with the power transmission line, the control terminal is electrically connected by controlling cable with the control terminal, the vacuum circuit breaker includes three-phase pillar, operation control box and the operating mechanism being arranged in the operation control box, the operating mechanism is sequentially connected with the switch mechanism, the operating mechanism is electrically connected with the control terminal, it is fixedly mounted in operation control box in the bottom end of the three-phase pillar, it is plugged with current transformer on the centre of the three-phase pillar.The present invention can carry out empty breaker presence detection and carry out Intelligence Diagnosis, control and protection, and more comprehensive solution is provided for the intelligence of vacuum circuit breaker.
Description
Technical field
The invention belongs to power switch control technology fields, more particularly to a kind of outdoor vacuum circuit breaker control system.
Background technology
Vacuum circuit breaker is used for closing load current in electric system, overload current, short circuit current in a power distribution system,
Protection and control action are played suitable for substation, urban and rural power grids and industrial and mining enterprises' distribution system, is high pressure electric line
In major electrical equipment element, it is made of vacuum interrupter, actuating executing agency, control mechanism, holder and other components, tradition
Outdoor high-voltage vacuum breaker do not have an intelligent control function, but the Standard type high-voltage alternating used in power distribution network at present is true
Empty breaker generally uses three-phase cylinder vacuum breaker, and structure is also complicated, and Reliability of Microprocessor is poor, since operating mechanism has to
The switch being located in arc-chutes is pulled, so vacuum circuit breaker is set on outdoor electric pole on certain altitude position so that open circuit
The control of device divide-shut brake is troublesome in poeration；At the same time, cannot be found in time when damage parts part break down, when need into
When row vacuum circuit breaker overhauls, maintenance personal needs to lift pole, is repaired after babinet is dismantled, and leaves operation in this way
With regard to very little, manual operation is inconvenient in the space of personnel's operation, and when operation was not only laborious but also time-consuming.Development with society and technology
Progress, especially State Grid Corporation of China propose the target of " intelligent grid ", and current equipment can not meet wanting of using
It asking, is mainly shown as maintenance difficult, the personnel of needing repairing climb to corresponding position and are detected repair, and repair is extremely inconvenient,
For realize real time monitoring and quickly breaking-closing operating have certain limitation be unfavorable for according to line condition arrange parameter with
And corresponding function setting, to be difficult to adapt to the intelligent management of modern power network.
Invention content
The purpose of the present invention is to provide a kind of outdoor vacuum circuit breaker control system, control system energy according to the present invention
Presence detection is carried out to empty breaker, and Intelligence Diagnosis, control and protection are carried out for singlechip controller part, it can be to prison
The data measured are analyzed and are handled；Have automatic protection, auto-control, running state monitoring, intellectualized operation, communication etc.
Function；More comprehensive solution party is provided for the intelligent control of vacuum circuit breaker.To achieve the above object, type of the present invention is adopted
With following technique effect：
According to an aspect of the invention, there is provided a kind of outdoor vacuum circuit breaker control system, including it is mounted on electric wire
The tip shelf of vacuum circuit breaker, voltage transformer, control terminal on bar 1 and switch mechanism, the electric pole is equipped with power transmission line,
The vacuum circuit breaker and voltage transformer access cable by user and are connect with the power transmission line, and the control terminal passes through
It controls cable to be electrically connected with the control terminal, the vacuum circuit breaker includes three-phase pillar, operation control box and setting
Operating mechanism in the operation control box, the operating mechanism are sequentially connected with the switch mechanism, the operating mechanism
It is electrically connected, is fixedly mounted in operation control box in the bottom end of the three-phase pillar, in three-phase pillar with the control terminal
Top be equipped with connecting terminal, intermediate in the three-phase pillar draws an outlet conductive pole, is inserted on the outlet conductive pole
It is connected to current transformer, the voltage transformer and current transformer are electrically connected by cable and the control terminal respectively
It connects, the outlet conductive pole is connect by switch mechanism and cable with the control terminal 4.
Preferably, the upper support frame for protruding horizontally up and being fixedly mounted in electric pole middle and upper part and externally both sides, it is described true
Empty breaker and voltage transformer are separately mounted to the both ends of upper support frame, below the upper support frame and from top to bottom successively
Flat anchor ear and lower bracing frame are installed on utility poles, are also equipped between the both ends of the upper support frame and flat anchor ear
Inclined shore bar, the control terminal are mounted in the lower bracing frame.
Preferably, include singlechip controller, power-supply controller of electric, electric quantity acquisition unit, voltameter in the control terminal
Measure circuit, data transmission interface, control output interface, GPRS wireless communication controllers and electricity display unit, the power supply control
Device processed, data transmission interface, control output interface circuit, GPRS wireless communication controllers and electricity display unit respectively with it is described
Singlechip controller connects, and the electric quantity acquisition unit is connect by electric quantity metering circuit with the singlechip controller, described
Output interface is controlled to be electrically connected with the operating mechanism.
Preferably, the operating mechanism includes the isolated operation hand being arranged in machine operation control box left or right side
Handle, with the isolation knife main shaft of the isolated operation handle horizontal vertical and in the machine operation control box and along its length
The isolation transmission shaft and interlocking transmission shaft, the isolated operation handle of setting are connected to operation control box by isolation knife main shaft,
There are divide-shut brake handle, energy accumulation handle and combined floodgate to refer to successively in the front setting of the operation control box close to isolated operation handle one end
Show that structure, the divide-shut brake handle, energy accumulation handle and close indication structure and isolated operation handle are sequentially connected, the disconnecting link machine
Structure is connect with the isolation knife spindle drive；
The three-phase pillar extends downwardly into machine operation control box is isolated transmission shaft driven connection with described, and the interlocking passes
It stretches out in moving axis slave operation control box and is connect with one end of the interlocking connecting lever, the other end of the interlocking connecting lever is isolated with described
Knife main shaft connects, and one end of the isolation transmission shaft is rotatably connected on the side of machine operation control box, institute by interlocking transmission shaft
The other end for stating isolation transmission shaft is rotatably connected on the other side of machine operation control box, and the isolation transmission shaft is driven far from interlocking
The both sides up and down of axis one end are connected with divide-shut brake spring, U-shaped connecting seat and divide-shut brake spring main shaft, one end of the divide-shut brake spring
It is connect with the open end of the U-shaped connecting seat by pivot pin clamp spring, the blind end of the U-shaped connecting seat is fixed with operation control box to be connected
Connect, the both ends of the divide-shut brake spring main shaft be fixed in the operation control box and with transmission shaft is isolated in vertical state, institute
The rotation of divide-shut brake handle is stated to be fixed in operation control box and transmission shaft driven connection is isolated with described by divide-shut brake manual shaft,
The energy accumulation handle rotation is fixed in machine operation control box and is connected by energy storage manual shaft with transmission shaft driven is isolated, in institute
The both sides up and down for stating interlocking transmission shaft are respectively arranged with breaking coil, tripping connecting pin and the divide-shut brake of the breaking coil
Manual shaft is electrically connected, and the output end of the breaking coil is electrically connected with the control output interface.
Said program is it is further preferred that the control output interface includes isolation drive module, divide-shut brake drive module
And delay control switch, the output end of the singlechip controller pass sequentially through isolation drive module, divide-shut brake drive module and
Delay control switch is electrically connected with the breaking coil.
Said program at the interlocking transmission shaft and operation control box rotation connection it is further preferred that be additionally provided with sealing
Rubber cushion, the one end of the isolation transmission shaft far from interlocking transmission shaft are connected by adjusting gasket and machine operation control box rotation
It connects.
Said program is it is further preferred that the divide-shut brake manual shaft passes through the copper that is fixed on the side wall of operation control box
Set is connected together, and support ear is provided on the copper sheathing, which is screwed in the side wall of the operation control box
On, in the divide-shut brake manual shaft and ecto-entad is disposed with clamp spring and multiple sealing rubber rings, and the divide-shut brake is manual
Axis is connected together by the inner sealing of clamp spring and sealing rubber ring and copper sheathing.
Said program is it is further preferred that the switch mechanism includes that blade, isolation knife insulated column and insulator, institute is isolated
It states insulator to be inclined at upwards in machine operation control box, the isolation blade is connected to the top of outlet conductive pole and insulator
Between end, the isolation blade is connect with the line terminals on the insulator, and one end of the isolation knife insulated column passes through isolation
Blade is connect with the outlet conductive pole, and the other end of the isolation knife insulated column is connect with the isolation knife spindle drive.
Said program is it is further preferred that the height of the control terminal from the ground is 3m~3.5m.
Said program fixes company it is further preferred that the user accesses cable by insulating clamp and the power transmission line
It connects.
In conclusion due to present invention employs above-mentioned technical proposal, the present invention has the following technical effects：
(1), vacuum circuit breaker of the invention, it is simple in structure, component of machine is reduced, accurate realize is protected, highly reliable,
It maintains easily simultaneously, opening/closing operation mechanism is arranged the present invention is only equipped in a side of transmission case body, mechanism case
It is driven adjusting part, compact-sized, space availability ratio is higher, and saves material, and due to opening/closing operation mechanism case
It is provided separately within the side of mechanism case, belongs to the face to oppose up and down with pillar mounting surface, so leaving the sky of operating personnel's operation for
Between it is just very big, manual operation is extremely convenient, does not need resolution stand, only needs the side plate of opening mechanism case that can be adjusted to transmission
Component repairs, and can carry out site examining and repairing or replacement operation mechanism, dimension by free easily opening mechanism case on column
It repaiies very convenient.
(2), breaker of the invention uses the pillar of three-phase pillar full-closed structure, break performance steady on babinet
Fixed, the class of insulation is high, has strong and stable drop-out current ability, suitable for various distribution systems, vacuum of the invention
Breaker is of low cost, easy to operate, is operated by drag hook, and people, which stands on the ground, can complete conversion operation, while can also keep away
Exempt to damage vacuum circuit breaker.
(3), of the invention to carry out presence detection to vacuum circuit breaker, carrying out intelligence for singlechip controller part examines
The data monitored can be analyzed and handled by disconnected, control and protection；Have automatic protection, auto-control, operating status prison
Depending on functions such as, intellectualized operation, communications；More comprehensive solution is provided for the intelligence of vacuum circuit breaker.
(4), the present invention has zero-sequence current detection function, improves the accuracy of singlephase earth fault judgement, occupies sky
Between it is small, need not climb to and carry out operation and maintenance on electric pole, can not only carry out automatic divide-shut brake, can be with can be by manual
Carry out breaking-closing operating so that maintenance makes more convenient, and operation and control are according to simple.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of outdoor vacuum circuit breaker control system of the present invention；
Fig. 2 is the positive structure diagram of the vacuum circuit breaker of the present invention；
Fig. 3 is the side structure schematic view of the vacuum circuit breaker of the present invention；
Fig. 4 is the control principle drawing of the control terminal of the present invention；
Fig. 5 is vertical view-schematic cross-sectional view of the vacuum circuit breaker of the present invention；
Fig. 6 is the attachment structure schematic diagram of the divide-shut brake manual shaft and operation control box of the present invention.
Fig. 7 is side view-schematic cross-sectional view of the vacuum circuit breaker of the present invention；
In attached drawing, electric pole 1, vacuum circuit breaker 2, voltage transformer 3, control terminal 4, power transmission line 5, user's access cable
Line 6, control cable 7, upper support frame 8, flat anchor ear 9, lower bracing frame 10, inclined shore bar 11, hangers 12, casing 13, three
Phase pillar 20, operation control box 21, connecting terminal 22, outlet conductive pole 23, current transformer 24, isolated operation handle 25, point
Switch lever 26, energy accumulation handle 27, close indication structure 28, auxiliary switch 29, isolation knife main shaft 30 interlock connecting lever 31, interlocking
Transmission shaft 32, seal gasket 33, breaking coil 34, combined floodgate manual shaft 40, copper sheathing 41, support ear 42, the support ear 42, screw
43, clamp spring 44, sealing rubber ring 45, eccentric drive shaft 46, divide-shut brake main shaft 47, energy storage manual shaft 50, insulating clamp 65, isolation biography
Moving axis 100, divide-shut brake spring 101, U-shaped connecting seat 102, divide-shut brake spring main shaft 103, pivot pin clamp spring 101a, adjusting gasket
Blade 120, isolation knife insulated column 121, insulator 122, epoxy resin upper supporting column 200, epoxy resin lower supporting rod is isolated in 101b
201, vacuum interrupter 202, connection clip 203, U-shaped soft copper connector 204, insulated tension pole 205, excess of stroke spring 206, drive rod
207, U-shaped guide groove 208, guide rod 209, drive link 210, vacuum interrupter set 211, singlechip controller 400, power supply control
Device 401, electric quantity acquisition unit 402, electric quantity metering circuit 403, data transmission interface 404, control output interface 405, GPRS without
Line communication controler 406, electricity display unit 407.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details listed in specification are only to be
Making reader, there are one thorough explanations to one or more aspects of the present invention, even without these specific details can also
Realize the aspects of the invention.
As shown in Figure 1, Figure 2 and Figure 3, according to an aspect of the invention, there is provided a kind of outdoor vacuum circuit breaker controls
System includes vacuum circuit breaker 2, voltage transformer 3, control terminal 4 and switch mechanism on electric pole 1, the electricity
The tip shelf of line bar 1 is equipped with power transmission line 5, the vacuum circuit breaker 2 and voltage transformer 3 and accesses cable 6 and institute by user
The connection of power transmission line 5 is stated, the user accesses cable 6 and is fixedly connected with the power transmission line 5 by insulating clamp 65, the control
Terminal 4 is electrically connected by controlling cable 7 with the control terminal 4, and the vacuum circuit breaker 2 includes three-phase pillar 20, behaviour
The operating mechanism made control cabinet 21 and be arranged in the operation control box 21, the operating mechanism are driven with the switch mechanism
Connection, the operating mechanism are electrically connected with the control terminal 4, and operation is fixedly mounted in the bottom end of the three-phase pillar 20
On control cabinet 21, it is equipped with connecting terminal 22 on the top of three-phase pillar 20, intermediate in the three-phase pillar 20 draws an outlet
Conducting rod 23, is plugged with current transformer 24 on the outlet conductive pole 23, and the voltage transformer 3 and current transformer 24 divide
It is not electrically connected by cable and the control terminal 4, the outlet conductive pole 23 passes through switch mechanism and cable and institute
The connection of control terminal 4 is stated, it is described in the upper support frame 8 that 1 middle and upper part of electric pole and externally both sides protrude horizontally up and be fixedly mounted
Vacuum circuit breaker 2 and voltage transformer 3 are separately mounted to the both ends of upper support frame 8, below the upper support frame 8 and from up to
Under flat anchor ear 9 and lower bracing frame 10 are installed on electric pole 1 successively, at the both ends of the upper support frame 8 and flat anchor ear 9
Between be also equipped with inclined shore bar 11, the control terminal 4 is mounted in the lower bracing frame 10, the control terminal 4 from
The height on ground is 3m~3.5m.It is respectively arranged with hangers 12 on four angles above the operation control box 21, with convenient
Whole operation control cabinet 21 is mounted on upper support frame 8, the control cable 7 penetrates the casing being fixed on electric pole 1
13 are supported fixation, and 7 threading 13 (metal sleeve or plastic bushing carry out) of control cable introduces in control terminal 4,
Prevent control cable 7 from shaking and being damaged.
As shown in figure 4, including singlechip controller 400, power-supply controller of electric 401, electric quantity acquisition list in the control terminal 4
Member 402, electric quantity metering circuit 403, data transmission interface 404, control output interface 405,406 and of GPRS wireless communication controllers
Electricity display unit 407, the power-supply controller of electric 401, data transmission interface 404, control output interface circuit 405, GPRS without
Line communication controler 406 and electricity display unit 407 are connect with the singlechip controller 400 respectively, the electric quantity acquisition list
Member 402 is connect by electric quantity metering circuit 403 with the singlechip controller 400, the control output interface 405 and the behaviour
Motivation structure is electrically connected；Data transmission interface 404 is network transport interface or RS485 data transmission interfaces, for connecting electric energy
Table is to realize that also there is GPRS wireless communication functions, user can pass through for power monitoring and the monitoring with electric line, the present invention
SMS or computer background mode operate execution control instruction, and singlechip controller is made to execute separating brake or reclosing command, use
Family is operated without climbing on electric pole in use inquiry, arrange parameter, the functions such as divide-shut brake, and operation control can be completed on ground
System；The voltage of the acquisition output of voltage transformer 3 is sent into power-supply controller of electric 401, and power operation life is provided for singlechip controller 400
Enable required voltage；402 output end of electric quantity acquisition unit is connect with the load side of user's supply and distribution network, electric quantity acquisition unit
402 other than current transformer, further includes zero sequence current mutual inductor and single-phase current transformer, and electric quantity acquisition unit 402 is defeated
It is sent into after the filtered circuit of electric current that goes out, balance amplifying circuit, and display alarm behaviour is carried out by electricity display unit 407
Work, current transformer output current and the corresponding analog quantity of zero-sequence current and zero sequence analog quantity, then respectively to the electricity
Flow field simulation amount and the zero sequence analog quantity carry out gauge check, realize that power transmission line is exported to the electric current and zero sequence of user power utilization equipment
The detection and judgement of electric current, then singlechip controller is according to the corresponding division of detection and analysis result output control instruction execution
Lock acts, and singlechip controller 400 controls breaker by execution and carries out inrush phenomenon, overcurrent, short circuit, under-voltage, mistake to circuit
Pressure protection, ensures that the safe operation of circuit, and anti-jump and blocking function can be arranged by singlechip controller in this way, and
Vacuum circuit breaker is configured as manual divide-shut brake, the usable manual divide-shut brake when substation is without accessory power supply, when in electricity
Automatic divide-shut brake can be carried out after accumulator is set in source controller 401.
In the present invention, shown in as shown in Figure 1, Figure 2, Fig. 3 and Fig. 5, the operating mechanism includes that setting operates control in the machine
The isolated operation handle 25 of 21 left or right side of case processed, with the isolation knife main shaft 30 of 25 horizontal vertical of isolated operation handle with
And in the machine operation control box 21 and the isolation transmission shaft 100 and interlocking transmission shaft 32 that are arranged along its length, it is described every
Operation control box 21 is connected to by isolation knife main shaft 30 from operation handle 25, in the operation close to 25 one end of isolated operation handle
The front setting of control cabinet 21 has divide-shut brake handle 26, energy accumulation handle 27 and close indication structure 28, the divide-shut brake hand successively
Handle 26, energy accumulation handle 27 and close indication structure 28 and isolated operation handle 25 are sequentially connected, the switch mechanism with it is described every
It is sequentially connected from knife main shaft 30, the switch mechanism includes isolation blade 120, isolation knife insulated column 121 and insulator 122, institute
Insulator 122 is stated to be inclined at upwards in machine operation control box 21, the isolation blade 120 be connected to outlet conductive pole 23 with
Between the top of insulator 122, the isolation blade 120 is connect with the line terminals on the insulator 122, and the isolation knife is exhausted
One end of edge column 121 by be isolated blade 120 connect with the outlet conductive pole 23, the isolation knife insulated column 121 it is another
End is sequentially connected with the isolation knife main shaft 30；The three-phase pillar 20, which extends downwardly into, is isolated in machine operation control box 21 with described
Transmission shaft 100 is sequentially connected, and one with the interlocking connecting lever 31 is stretched out in the 32 slave operation control box 21 of interlocking transmission shaft
End connection, the other end of the interlocking connecting lever 31 are connect with the isolation knife main shaft 30, and one end of the isolation transmission shaft 100 passes through
Interlocking transmission shaft 32 is rotatably connected on the side of machine operation control box 21, the other end rotation connection of the isolation transmission shaft 100
In the other side of machine operation control box 21, up and down both sides connection of the isolation transmission shaft 100 far from 32 one end of interlocking transmission shaft
There are divide-shut brake spring 101, U-shaped connecting seat 102 and divide-shut brake spring main shaft 103, one end of the divide-shut brake spring 101 passes through pivot pin
Clamp spring 101a is connect with the open end of the U-shaped connecting seat 102, and the blind end and operation control box 21 of the U-shaped connecting seat 102 are solid
Seal gasket 33 is additionally provided at fixed connection, the interlocking transmission shaft 32 and 21 rotation connection of operation control box, the isolation passes
The one end of moving axis 100 far from interlocking transmission shaft 32 is rotatablely connected by adjusting gasket 101b and the machine operation control box 21, institute
The both ends for stating divide-shut brake spring main shaft 103 be fixed in the operation control box 21 and with transmission shaft 100 is isolated in vertical state,
The rotation of divide-shut brake handle 26 is fixed in operation control box 21 and transmission shaft is isolated with described by divide-shut brake manual shaft 40
100 be sequentially connected, the energy accumulation handle 27 rotation be fixed in machine operation control box 21 and by energy storage manual shaft 50 be isolated
Transmission shaft 100 is sequentially connected, and breaking coil 34, the tripping line are respectively arranged in the both sides up and down of the interlocking transmission shaft 32
The tripping connecting pin of circle 34 is electrically connected with the divide-shut brake manual shaft 40, and the divide-shut brake manual shaft 40 is by being fixed on operation
Copper sheathing 41 on the side wall of control cabinet 21 is connected together, and support ear 42 is provided on the copper sheathing 41, which passes through spiral shell
Silk 43 is fixed on the side wall of the operation control box 21, and in the divide-shut brake manual shaft 40 and ecto-entad is disposed with
Clamp spring 44 and multiple sealing rubber rings 45, the inside that the divide-shut brake manual shaft 40 passes through clamp spring 44 and sealing rubber ring 45 and copper sheathing 41
Sealing is connected together, and the output end of the breaking coil 34 is electrically connected with the control output interface 405；The control output
Interface 405 include isolation drive module, divide-shut brake drive module and delay control switch, the singlechip controller 400 it is defeated
Outlet passes sequentially through isolation drive module, divide-shut brake drive module and delay control switch and electrically connects with the breaking coil 34
It connects, realizes the delay of combined floodgate surge, to eliminate combined floodgate or separating brake erroneous judgement, improve reliability and anti-interference, the isolation is driven
Dynamic model block is photoelectrical coupler, and divide-shut brake drive module is Darlington driving circuit, reduces burning of the inrush phenomenon to contact surface
Damage, not will produce point discharge in the contact surface of breaking coil, eliminates repeated breakdown when cut-offfing capacity current and inductance current
The appearance of phenomenon；And there is the ability for cut-offfing and carrying high current simultaneously, the voltage transformer 3 is according to the electricity of acquisition testing
Size is pressed to carry out break-make control to the auxiliary switch 29 (and close to 103 right side of divide-shut brake spring main shaft) in operation control box 21,
Power-supply controller of electric is set to provide working power protection for entire vacuum circuit breaker.
In the present invention, as shown in figs. 1,2,3 and 7, the three-phase pillar 20 includes in enclosed construction one
The epoxy resin upper supporting column 200 and epoxy resin lower supporting rod 201 of setting are had resistance to using epoxy resin solids insulation column cylinder
High/low temperature, UV resistant, ageing-resistant feature；In the excessive of the epoxy resin upper supporting column 200 and epoxy resin lower supporting rod 201
Place is provided with wire outlet seat 212, and outlet conductive pole 23, which is put in inside three-phase pillar 20 after row goes out, passes through wire outlet seat 212 to fix, institute
It states upper connecting terminal 22 to be arranged on the top of the epoxy resin upper supporting column 200, be provided in epoxy resin upper supporting column 200 true
Empty arc-chutes 202 are respectively arranged with connection in the internal connection of epoxy resin upper supporting column 200 and epoxy resin lower supporting rod 201
Folder 203 and a pair of U-shaped soft copper connector 204, are provided with insulated tension pole 205, excess of stroke spring in epoxy resin lower supporting rod 201
206 and drive rod 207, which is arranged by vacuum interrupter set 211 in epoxy resin upper supporting column 200
In sealed chamber, in order to ensure good air-tightness, global formation casing may be used in the sky arc-chutes set 211, described true
The lower end of empty arc-chutes 202 passes sequentially through connection clip 203 and U-shaped soft copper connector 204 and the upper end of the insulated tension pole 205 connects
It connects, the lower end of the insulated tension pole 204 is connect by excess of stroke spring 206 with the upper end of drive rod 207, the drive rod 207
Lower end is connect with the operation control box 21, more particularly, U-shaped is led what the lower end of drive rod 207 offered that Open Side Down
To slot 208, the guide rod 209 extended downwardly is provided in U-shaped guide groove 208, the guide rod 209 by drive link 210 with
It is movably arranged on the isolation transmission shaft 100 being arranged in operation control box 21 to connect, the present invention is opened by the realization of vacuum interrupter 202
Lock operates；When rotating clockwise or counterclockwise divide-shut brake handle 26, isolation knife main shaft 30 drive isolation knife insulated column 121 and every
It acts from blade 120, closes a floodgate to make the connecting terminal of isolation blade 120 and insulator 122 carry out hinged realize up and down
Or after switching-off action, while isolation knife main shaft 30 interlocks connecting lever 31 by driving and isolation transmission shaft 100 is driven to rotate, guide rod
209 slide up and down in U-shaped guide groove 208, make guide rod 209 that excess of stroke spring 206 be pushed to be squeezed into drive rod 207
Row is realized after being closed and is closed a floodgate, or so that guide rod 209 is slided down under the action of excess of stroke spring 206, leaves U-shaped guide groove 208
It realizes and opens a sluice gate.When needing emergency hand divide-shut brake, rotation divide-shut brake handle 26 passes through combined floodgate manual shaft 40, eccentric drive shaft
46, the energy-stored spring 51 on divide-shut brake main shaft 47 and driving energy storage manual shaft 50 is shunk or elongation carries out energy storage, combined floodgate manual shaft
40 are contacted or are separated with the breaking coil 34 by abduction rod arm, and singlechip controller 400 passes through isolation drive module, divide-shut brake
Drive module and delay control switch are electrically connected with the breaking coil 34, and the contact-making switch of breaking coil 34 is made to be attracted
Or disconnect, to make the reset of divide-shut brake handle 26 close a floodgate, at the same time isolation transmission shaft 100 is also made to drive U-shaped guide groove
208 mutually act with guide rod 209, realize combined floodgate or breaking-closing operating.The outlet conductive pole 23 is stretched under epoxy resin and is propped up
It is connect with the connection terminal of the insulated tension pole 205 in column 201, the current transformer 24 is by current transformer and zero-sequence current
Mutual inductor forms, while the electric current and zero-sequence current of outlet conductive pole 23, the pair of U-shaped soft copper connector 204 are flowed through in acquisition
Opening be in opposite and be arranged, the connection terminal of the insulated tension pole 205 navigates between the opening of U-shaped soft copper connector 204
It is connect afterwards with the connection clip 203, covers 202 in the present invention using vacuum as the vacuum interrupter of arc extinguishing and dielectric, have
High vacuum degree.When vacuum circuit breaker is when charging separating brake, vacuum arc will be will produce between contact, simultaneously as contact
Gap in also will produce longitudinal magnetic field appropriate, promote vacuum arc to remain diffused, and electric arc is made to be evenly distributed in
Contact surface is burnt, and maintains low arc voltage, in electric current natural zero-crossing, remaining ion, electronics and metallic vapour are micro-
It can be compound in the time of number of seconds magnitude or condenses upon in contact surface and shielding case, vacuum interrupter covers the medium of 202 fractures
Dielectric strength is resumed quickly, achievees the purpose that disjunction to which electric arc is off.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of outdoor vacuum circuit breaker control system, it is characterised in that：Include vacuum circuit breaker on electric pole 1,
The tip shelf of voltage transformer, control terminal and switch mechanism, the electric pole is equipped with power transmission line, the vacuum circuit breaker and electricity
Pressure mutual inductor accesses cable by user and is connect with the power transmission line, and the control terminal is by controlling cable and the control
Terminal electrical connection processed, the vacuum circuit breaker includes three-phase pillar, operation control box and setting in the operation control box
Operating mechanism, the operating mechanism and the switch mechanism be sequentially connected, and the operating mechanism and the control terminal are electrical
Connection, is fixedly mounted in the bottom end of the three-phase pillar in operation control box, and terminals are equipped on the top of three-phase pillar
Son, intermediate in the three-phase pillar draw an outlet conductive pole, and current transformer is plugged on the outlet conductive pole, described
Voltage transformer and current transformer are electrically connected by cable and the control terminal respectively, and the outlet conductive pole passes through
Switch mechanism and cable are connect with the control terminal 4.
2. a kind of outdoor vacuum circuit breaker control system according to claim 1, it is characterised in that：In electric pole middle and upper part
And the upper support frame that externally both sides protrude horizontally up and are fixedly mounted, the vacuum circuit breaker and voltage transformer are separately mounted to
The both ends of upper support frame are equipped with below the upper support frame and on utility poles flat anchor ear and lower branch successively from top to bottom
Support, is also equipped with inclined shore bar between the both ends of the upper support frame and flat anchor ear, and the control terminal is mounted on
In the lower bracing frame.
3. a kind of outdoor vacuum circuit breaker control system according to claim 1 or 2, it is characterised in that：The control is eventually
It is defeated including singlechip controller, power-supply controller of electric, electric quantity acquisition unit, electric quantity metering circuit, data transmission interface, control in end
Outgoing interface, GPRS wireless communication controllers and electricity display unit, the power-supply controller of electric, data transmission interface, control output
Interface circuit, GPRS wireless communication controllers and electricity display unit are connect with the singlechip controller respectively, the electricity
Collecting unit is connect by electric quantity metering circuit with the singlechip controller, the control output interface and the operating mechanism
Electrical connection.
4. a kind of outdoor vacuum circuit breaker control system according to claim 3, it is characterised in that：The operating mechanism packet
It includes and is arranged in the isolated operation handle of machine operation control box left or right side, with the isolated operation handle horizontal vertical
Isolation knife main shaft and in the machine operation control box and the isolation transmission shaft that is arranged along its length and interlocking transmission shaft, institute
It states isolated operation handle and operation control box is connected to by isolation knife main shaft, in the operation and control close to isolated operation handle one end
The front setting of case has divide-shut brake handle, energy accumulation handle and a close indication structure successively, the divide-shut brake handle, energy accumulation handle and
Close indication structure is sequentially connected with isolated operation handle, and the switch mechanism is connect with the isolation knife spindle drive；
The three-phase pillar extends downwardly into machine operation control box is isolated transmission shaft driven connection, the interlocking transmission shaft with described
It stretches out in slave operation control box and is connect with one end of the interlocking connecting lever, the other end of the interlocking connecting lever and the isolation knife master
Axis connection, one end of the isolation transmission shaft are rotatably connected on the side of machine operation control box by interlocking transmission shaft, it is described every
The other end from transmission shaft is rotatably connected on the other side of machine operation control box, and the isolation transmission shaft is far from interlocking transmission shaft one
The both sides up and down at end are connected with divide-shut brake spring, U-shaped connecting seat and divide-shut brake spring main shaft, one end of the divide-shut brake spring and pass through
Pivot pin clamp spring is connect with the open end of the U-shaped connecting seat, and the blind end of the U-shaped connecting seat is fixedly connected with operation control box,
The both ends of the divide-shut brake spring main shaft be fixed in the operation control box and with transmission shaft is isolated in vertical state, described point
Switch lever rotation is fixed in operation control box and is connected with the transmission shaft driven of being isolated by divide-shut brake manual shaft, described
Energy accumulation handle rotation is fixed in machine operation control box and is connected by energy storage manual shaft with transmission shaft driven is isolated, described
The both sides up and down of lock transmission shaft are respectively arranged with breaking coil, and the tripping connecting pin of the breaking coil and the divide-shut brake are manual
Axis is electrically connected, and the output end of the breaking coil is electrically connected with the control output interface.
5. a kind of outdoor vacuum circuit breaker control system according to claim 4, it is characterised in that：The control output connects
Mouth includes isolation drive module, divide-shut brake drive module and delay control switch, and the output end of the singlechip controller is successively
It is electrically connected by isolation drive module, divide-shut brake drive module and delay control switch and the breaking coil.
6. a kind of outdoor vacuum circuit breaker control system according to claim 4, it is characterised in that：The interlocking transmission shaft
Be additionally provided with seal gasket at operation control box rotation connection, the one end of the isolation transmission shaft far from interlocking transmission shaft passes through
Adjusting gasket is rotatablely connected with the machine operation control box.
7. a kind of outdoor vacuum circuit breaker control system according to claim 4, it is characterised in that：The divide-shut brake is manual
Axis is connected together by the copper sheathing being fixed on the side wall of operation control box, and support ear is provided on the copper sheathing, the support ear
It is screwed on the side wall of the operation control box, in the divide-shut brake manual shaft and ecto-entad is disposed with
Clamp spring and multiple sealing rubber rings, the divide-shut brake manual shaft engage company by clamp spring and sealing rubber ring with the inner sealing of copper sheathing
It connects.
8. a kind of outdoor vacuum circuit breaker control system according to claim 4, it is characterised in that：The switch mechanism packet
Include isolation blade, isolation knife insulated column and insulator, the insulator are inclined at upwards in machine operation control box, it is described every
It is connected between outlet conductive pole and the top of insulator from blade, the isolation blade connects with the line terminals on the insulator
It connects, one end of the isolation knife insulated column is connect by the way that blade is isolated with the outlet conductive pole, the isolation knife insulated column
The other end is connect with the isolation knife spindle drive.
9. a kind of outdoor vacuum circuit breaker control system according to claim 4, it is characterised in that：The control terminal from
The height on ground is 3m~3.5m.
10. a kind of outdoor vacuum circuit breaker control system according to claim 4, it is characterised in that：User's access
Cable is fixedly connected by insulating clamp with the power transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301842.9A CN108400054A (en) | 2018-04-04 | 2018-04-04 | A kind of outdoor vacuum circuit breaker control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301842.9A CN108400054A (en) | 2018-04-04 | 2018-04-04 | A kind of outdoor vacuum circuit breaker control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108400054A true CN108400054A (en) | 2018-08-14 |
Family
ID=63099708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810301842.9A Pending CN108400054A (en) | 2018-04-04 | 2018-04-04 | A kind of outdoor vacuum circuit breaker control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108400054A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110571916A (en) * | 2019-09-29 | 2019-12-13 | 北京潞电电气设备有限公司 | 0.4kV double-power switching device and switch |
| CN111650413A (en) * | 2020-04-14 | 2020-09-11 | 江苏三口井信息科技有限公司 | Metering and protecting system and method of intelligent miniature circuit breaker |
| CN112837978A (en) * | 2021-01-21 | 2021-05-25 | 潘建星 | High-voltage circuit breaker switch with overload power-off alarm function |
| CN114203481A (en) * | 2022-02-16 | 2022-03-18 | 晟望电气有限公司 | Vacuum circuit breaker on post |
| CN117007227A (en) * | 2023-09-28 | 2023-11-07 | 国网湖北省电力有限公司 | Power distribution network frame bearing capacity on-line monitoring system |
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