CN105958361A - AC high-voltage armored drawer type intelligent vacuum switch cabinet - Google Patents
AC high-voltage armored drawer type intelligent vacuum switch cabinet Download PDFInfo
- Publication number
- CN105958361A CN105958361A CN201610398219.0A CN201610398219A CN105958361A CN 105958361 A CN105958361 A CN 105958361A CN 201610398219 A CN201610398219 A CN 201610398219A CN 105958361 A CN105958361 A CN 105958361A
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- Prior art keywords
- switch
- cabinet
- contact
- bar
- vacuum
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
Abstract
The invention provides an AC high-voltage armored drawer type intelligent vacuum switch cabinet, relating to the field of high-voltage complete set electrical equipment. A cabinet body is divided into three layers by an upper baffle plate and a lower baffle plate, and an upper layer area, a middle layer area and a lower layer area are orderly provided with an isolating switch static contact box, a vacuum circuit breaker isolating switch combined electrical appliance, and an isolation switch lower static contact box. The combined electrical appliance is pulled out of or pushed into the front side of the switch cabinet in the form of a drawer car. An operating mechanism controls the upper and lower moving contact rods of the isolating switch of the vacuum circuit breaker isolating switch combined electrical appliance to be inserted into isolating switch upper and lower static contact boxes, and the switch-on operation of the isolating switch is realized, otherwise the switch-off operation of isolating switch is realized. The problems of the large front and back sizes of the cabinet body, a too wide cabinet body front side, a too long conduction loop, too long front and back sizes, the increase of circuit resistance, and the waste of original materials for many years are solved, and thus the volume of an air insulating mobile switch cabinet reaches at least 1/3 to 1/4 of a traditional switch cabinet.
Description
Technical field
The present invention relates to high pressure assembled electric equipment field, be specifically related to a kind of ac high-voltage armouring drawer type intelligent
Vacuum switch cabinet.
Background technology
Existing KYN28A-12 feeder switch cabinet, as shown in figure 16, each reference implication in Figure 16 is A to its structure
Busbar compartment, B breaker compartment, C cable compartment, D instrument compartment, 1 shell, 1.1 pressure releasing plates, 1.2 control cable cover,
2 branch bars, 3 buses, 4 static contact head devices, 5 spring contacts, 6 earthing switch blades, 7 current transformers, 8 voltage transformers, 9 handling
Formula dividing plate, 101 auxiliary switches, 102 movable curtain plates, 103 pull-out type handcart, 104 earthing switch blade operating mechanisms, 105 cables are close
Envelope terminal, 106 base plates, 107 screw bodies, 108 earthing main bus, 109 loading and unloading type horizontal baffles, 110 secondary plugs.
The switch cubicle of this structure, its major defect shows: volume is big, structure is complicated, it is necessary to open Qianmen by open circuit
Device pull-out just can isolate circuit, it is necessary to disassembles into single cabinet one by one and can change the wherein aspect such as a switch cubicle.
Meanwhile, it is excessive that front extraction causes cabinet anteroposterior dimension, and chopper left-right situs causes cabinet the front is over-extended, and bus
The galvanic circle being changed to be caused in tandem by left-right situs is long, and anteroposterior dimension is long, increases loop resistance and waste
Raw material.
Switch touching headstock in existing switch cubicle, major defect shows: contact off-center, and point cantact is not
Good, loop resistance is unstable, causes temperature rise unstable, it is difficult to bear dynamic and thermal stability electric current.Meanwhile, function singleness, structure is complicated.
Vacuum circuit breaker isolating switch combined electrical apparatus in existing switch cubicle, major defect shows: chopper and isolation
Moving contact one, by push and pull out carry out insulating contact deciliter, the problem which results in automation mechanized operation.
Summary of the invention
It is an object of the invention to provide a kind of ac high-voltage armouring drawer type intellectuality vacuum switch cabinet, above-mentioned for realizing
Purpose, present invention employs techniques below scheme:
A kind of ac high-voltage armouring drawer type intellectuality vacuum switch cabinet, including cabinet, uses upper spacer inside described cabinet
Being separated to form three layer function regions with lower clapboard, upper, middle and lower layer region is sequentially provided with disconnecting switch upper static contact box, vacuum is broken
Stationary contact head cartridge under road device isolating switch combined electrical apparatus, disconnecting switch；Vacuum circuit breaker isolating switch combined electrical apparatus is with drawer car
Form pulls out from the right-side-out of switch cubicle or advances inwards；Operating mechanism controls vacuum circuit breaker isolating switch combined electrical apparatus
The upper and lower movable contact rod of disconnecting switch inserts it under disconnecting switch upper static contact box, disconnecting switch in stationary contact head cartridge, it is achieved every
Leave the closing operation of pass；Otherwise then realize the sub-switching operation of disconnecting switch.
The interbus being connected with disconnecting switch upper static contact box extends, from cabinet side to the side vertical direction of cabinet
Hole slot position draw, be connected in adjacent cabinet thus with another switch cubicle formed parallel relationship.
Described vacuum circuit breaker isolating switch combined electrical apparatus is by vacuum switch pole, disconnecting switch and operating mechanism
Composition, the overall U-shaped of vacuum switch pole, top is the first transverse conductance bar, middle part be the first vertical electric conduction bar and
Second vertical electric conduction bar, bottom is the second transverse conductance bar, at the binding end of the first vertical electric conduction bar and the second vertical electric conduction bar
Indoor in vacuum extinction；Disconnecting switch is made up of the upper movable contact rod being vertically arranged and lower moving contact bar, the top of upper movable contact rod
End is provided with moving contact, and the bottom of lower moving contact bar is provided with lower moving contact, upper movable contact rod and lower moving contact bar respectively by one
3rd spring touch finger is connected with the first transverse conductance bar, the second transverse conductance bar respectively；Operating mechanism realize upper movable contact rod and
Lower moving contact bar close to each other or away from, it is achieved the separating brake of disconnecting switch or closing operation.
The bottom of upper movable contact rod and the top of lower moving contact bar are equipped with external thread sleeve, and a centre has outside sprocket wheel
Upper movable contact rod and lower moving contact bar are coated with by thread bush, and external thread sleeve stretches into inside the second insulating sheath；Operating mechanism realizes
Sprocket wheel rotates, and sprocket wheel drives external thread sleeve to rotate, then realize upper movable contact rod and lower moving contact bar is close to each other or away from.
The bottom of the second vertical electric conduction bar is placed in the second spring touch finger, and its bottom is in the second insulation full skirt, even
The insulated tension pole connecing the second vertical electric conduction bar is controlled by operating mechanism, it is achieved the first vertical electric conduction bar and the second vertical electric conduction bar
Separation and combination；The outside of the 3rd spring touch finger is provided with the 3rd Interposer contact seat, and the outside of the 3rd Interposer contact seat is provided with
Two insulating sheaths and the second insulative tiles.
Described disconnecting switch upper static contact box includes three the first Interposer contact seats, the interior grooves of the first Interposer contact seat
In equipped with the first spring touch finger, press before cabinet is backward A, B, C phase sequence at a certain distance order arrangement；First Interposer contact seat
Top is in cylinder, and surface is provided with the screw for installing interbus；The inner hollow of the first insulation full skirt, and bottom it
Outside be provided with multiple increase insulation creep distance ring-type full skirt.
Three the first Interposer contact seats are respectively arranged on the first insulating base by one first insulation full skirt, the first insulation
The top of full skirt is provided with the first insulative tiles, and the first insulative tiles has the opening being arranged symmetrically with, for the first Interposer contact
The interbus of the perpendicular layout of seat is walked.
Under described disconnecting switch, stationary contact head cartridge includes three the second Interposer contact seats, the inside of the second Interposer contact seat equipped with
4th spring touch finger；Three the second Interposer contact seats are respectively arranged on the second insulating base by one the 3rd insulation full skirt, the
The top of three insulation full skirts is provided with the first insulating sheath.
The line interface of power cable, the grafting port of spark gap and mutual induction of voltage it is additionally provided with on second insulating base
The grafting port of device, the inside of the second insulating base is additionally provided with three groups of conducting rings, and its effect is by the second Interposer contact seat and electricity
The binding post of power cable, spark gap and voltage transformer is joined to one another.
The bottom of the second insulating base is provided with stress set, power cable, spark gap or voltage transformer seif-citing rate set bottom
Entrance access, with stress overlap in binding post affixed after, by fastening standard component limit mounting, fastening standard component outer wall set
There is insulator cap.
Compared with existing KYN28A-12 feeder switch cabinet, ac high-voltage armouring drawer type intellectuality vacuum switch cabinet
Advantage shows:
1, volume is little, will realize the miniaturization of air switch cabinet.The size of former KYN28-12 feeder switch cabinet is 800 ×
1450 × 2300, new ac high-voltage armouring drawer type intellectuality vacuum switch cabinet only has 450 × 900 × 1650, is original volume
1/3-1/4.
2, former KYN28A-12 feeder switch cabinet be switched on Qianmen by chopper pull out, just can isolate circuit.New exchange
High pressure armouring drawer type intellectuality vacuum switch cabinet is then not required to open the door just to isolate circuit.
3, former KYN28A-12 feeder switch cabinet must be disassembled into single cabinet one by one and can change wherein one side switch
Cabinet, new ac high-voltage armouring drawer type intellectuality vacuum switch cabinet then need not.
Compared with the fixed contact pedestal of existing disconnecting switch, the advantage of disconnecting switch upper static contact seat shows:
1, original structure is single contact base function, connects branch bar.New construction then simplifies structure, is directly connected to main mother
Line, saves branch bus.
2, former contact base structure is not easy centring, contact off-center, and point cantact is bad, and loop resistance is unstable
Fixed, cause temperature rise unstable, it is difficult to bear dynamic and thermal stability electric current.New construction uses spring touch finger instead, and contact point is uniform, bears dynamic heat
Stabling current ability strengthens.
3, original structure is to push and pull out detection and isolation switch and the divide-shut brake position of earthed switch by circuit breaker cart, newly
Structure disconnecting switch, earthed switch divide-shut brake process can directly be observed, and be had obvious fracture and observation window, it is simple to identify every
Leave the divide-shut brake position closing earthed switch.
Compared with existing combined electrical apparatus, the advantage of vacuum circuit breaker isolating switch combined electrical apparatus shows:
1, original structure be chopper and isolation moving contact one, by push and pull out carry out insulating contact deciliter.New knot
Structure is that thread bush motor rotational band is moved chain and made thread bush rotate, and drives moving contact motion.Solve disconnecting switch automatization
Operational issue.
2, original structure isolation switch contact is to move in one direction, and new construction isolation switch contact is in the opposite direction
Motion.
3, the part that is conductively connected of original structure activity uses the conductor structure that is flexible coupling, and new construction uses spring touch finger structure,
Structure is simpler, and volume is smaller and more exquisite.
Compared with the fixed contact pedestal of existing disconnecting switch, under disconnecting switch, the advantage of fixed contact pedestal shows:
1, under original structure, fixed contact pedestal is independent function, is individually connected with branch bar, newly ties in addition to static contact function
Structure incorporates comprehensive function and is integrated, and has the functions such as connection line system, electrification display, spark gap, voltage transformer.
2, new construction makes volume reduce after intensive, and material is saved, and function increases.
Accompanying drawing explanation
Fig. 1 is the front view of ac high-voltage armouring drawer type intellectuality vacuum switch cabinet.
Fig. 2 is the H direction view in Fig. 1.
Fig. 3 is the I direction view in Fig. 1.
Fig. 4 is the structural representation of disconnecting switch upper static contact box.
Fig. 5 is that the A-A in Fig. 4 is to sectional view.
Fig. 6 is the structural representation of stationary contact head cartridge under disconnecting switch.
Fig. 7 is that the C-C in Fig. 6 is to sectional view.
Fig. 8 is that the D-D in Fig. 6 is to sectional view.
Fig. 9 is the E direction view in Fig. 6.
Figure 10 is the F direction view in Fig. 6.
Figure 11 is the structural representation of vacuum circuit breaker isolating switch combined electrical apparatus.
Figure 12 is the J direction view in Figure 11.
Figure 13 is that the B-B in Figure 11 is to sectional view.
Figure 14 is static contact under disconnecting switch upper static contact box, vacuum circuit breaker isolating switch combined electrical apparatus and disconnecting switch
Structural representation when box three matches.
Figure 15 is that the G-G in Figure 14 is to sectional view.
Figure 16 is existing KYN28A-12 feeder switch cabinet basic structure profile.
The implication of the reference in Fig. 1-15 is:
10-cabinet, 11-upper spacer, 12-lower clapboard, 13-slideway, 14-hole slot.
20-disconnecting switch upper static contact box, 21-the first insulating base, 22-the first Interposer contact seat, 23-screw, 24-
One spring touch finger, 25-first insulate full skirt, 27-the first insulative tiles, the ring-type full skirt of 28-.
30-vacuum circuit breaker isolating switch combined electrical apparatus.
The upper moving contact of 301-, 302-the 3rd Interposer contact seat, 303-the second insulative tiles, 304-the 3rd spring touch finger,
305-external thread sleeve, 306-the second insulating sheath, 308-external thread sleeve, 309-sprocket wheel, 311-lower moving contact bar, 312-second is horizontal
To conducting rod, 313-lower moving contact, 315-insulated tension pole, 316-second insulate full skirt, and 317-the second vertical electric conduction bar, 318-is true
Empty arc-chutes, 319-the second spring touch finger, 320-the first vertical electric conduction bar, 321-the first transverse conductance bar, the upper moving contact of 322-
Bar.
Stationary contact head cartridge under 40-disconnecting switch.
401-the second insulating base, 402-the first insulating sheath, 403-the 3rd insulate full skirt, 405-the second Interposer contact
Seat, 406-the 4th spring touch finger, 407-insulator cap, 408-fastens standard component, 409-conducting ring, 410-binding post, and 411-should
Power set, the line interface of 412-power cable, the grafting port of 413-voltage transformer, the grafting port of 414-spark gap.
Operating mechanism 50.
Detailed description of the invention
Below in conjunction with the accompanying drawings the optimal way of the present invention is described in further detail.
A kind of ac high-voltage armouring drawer type intellectuality vacuum switch cabinet, is substantially made up of six parts, respectively: vacuum is broken
Stationary contact head cartridge and turnover under road device isolating switch combined electrical apparatus module, open-type upper static contact box and bus base module, open-type
Line generalization functional module, bareing removable isolated bus module, high speed grounding switch module and Sheathed metal closed box.
The present invention is mainly reflected in stationary contact in vacuum circuit breaker isolating switch combined electrical apparatus module, open-type to the improvement of high-tension switch cabinet
Stationary contact head cartridge and line comprehensive function module under head cartridge and bus base module, open-type, by the structure to each functional module
Carry out appropriate design, solve front in air insulation movable switch cubicle for many years and extract the cabinet anteroposterior dimension mistake caused out
Greatly, the cabinet the front is over-extended that chopper left-right situs causes, and bus is changed to be caused in tandem by left-right situs
Galvanic circle is long, and anteroposterior dimension is long, increases the problem such as loop resistance and waste raw material.
Referring to Fig. 1-3, the cabinet 10 inside upper spacer 11 of switch cubicle and lower clapboard 12 are separated to form three layer function districts
Territory, is once more divided into two lower rooms with metal partion (metp) in top area, a inside equipped with controlling equipment, referred to as control room,
Another is referred to as bus-bar room equipped with bus.Zone line, equipped with vacuum circuit breaker isolating switch combined electrical apparatus, becomes switch gear room, under
Layer region is equipped with cable incoming-outgoing wire system, referred to as cable vault.
The top area of cabinet be provided with install controller automatic controller room, after automatic controller room cell on every
Equipped with disconnecting switch upper static contact box 20 on plate 11.The interbus being connected with disconnecting switch upper static contact box 20 is to the side of cabinet
Face vertical direction extends, and draws from hole slot 14 position of cabinet side, be connected in adjacent cabinet thus with another switch cubicle
Form parallel relationship, during cabinet in parallel, disassembling operations can be carried out.
The interlayer region of cabinet is provided with vacuum circuit breaker isolating switch combined electrical apparatus 30, mainly by vacuum switch, isolation
Switch and operating mechanism 50 are constituted.Vacuum circuit breaker isolating switch combined electrical apparatus 30 with drawer car form by being arranged on cabinet
The slideway 13 of internal wall easily pulls out from the front of switch cubicle or advances inwards.Operating mechanism 50 controls disconnecting switch
Upper and lower movable contact rod inserts it in upper and lower stationary contact head cartridge, it is achieved the closing operation of disconnecting switch；Otherwise then realize keeping apart
The sub-switching operation closed, vacuum circuit breaker isolating switch combined electrical apparatus 30 and disconnecting switch upper static contact box, the isolation of gate-dividing state
Matching relationship between the lower stationary contact head cartridge of switch refers to shown in Figure 14 and 15.
The lower region of cabinet, as a multi-functional cable vault, is provided with stationary contact head cartridge 40 and line under disconnecting switch
Comprehensive function module (not shown), under disconnecting switch, stationary contact head cartridge 40 is arranged on lower clapboard 12, and its underpart is provided with electric power
The line interface of cable and spark gap, the grafting port of voltage transformer.One piece of longitudinal direction can also be installed additional in cable vault
Dividing plate, installs voltage transformer or uninterruption power source by the cell being separated out, for control system as controlling power supply.
Figure 4 and 5 show the structural representation of disconnecting switch upper static contact box 20, and itself is made up of insulant
, internal equipped with three the first Interposer contact seats 22, equipped with the first spring touch finger in the interior grooves of the first Interposer contact seat 22
24, before cabinet is backward, press the order arrangement at a certain distance of A, B, C phase sequence.The top of the first Interposer contact seat 22 is in cylinder
Shape, surface is provided with the screw 23 for installing interbus.
Three the first Interposer contact seats 22 are respectively arranged on the first insulating base 21 by one first insulation full skirt 25, the
One insulation full skirt 25 top be provided with the first insulative tiles 27, the first insulative tiles 27 has the opening being arranged symmetrically with, for
The interbus of the first perpendicular layout of Interposer contact seat 22 is walked.
First insulation full skirt 25 inner hollow, and the outside bottom it be provided with multiple increase insulation creep distance ring-type full skirt
28。
When the upper movable contact rod of disconnecting switch penetrates bottom the first insulation full skirt 25, and offset with the first spring touch finger 24
When connecing, disconnecting switch upper static contact box 20 and vacuum circuit breaker isolating switch combined electrical apparatus 30 realize path.
Fig. 6-10 shows the structural representation of stationary contact head cartridge 40 under disconnecting switch, and itself is made up of insulant
, internal equipped with three the second Interposer contact seats 405, the inside of the second Interposer contact seat 405 is equipped with the 4th spring touch finger 406.
Three the second Interposer contact seats 405 are respectively arranged on the second insulating base 401 by one the 3rd insulation full skirt 403, and the 3rd is exhausted
The top of edge full skirt 403 is provided with the first insulating sheath 402.
When disconnecting switch lower moving contact bar from the 3rd insulation full skirt 403 top penetrate, and with the 4th spring touch finger 406 phase
During abutting, under disconnecting switch, stationary contact head cartridge 40 and vacuum circuit breaker isolating switch combined electrical apparatus 30 realize path.
Figure 11-13 shows the structural representation of vacuum circuit breaker isolating switch combined electrical apparatus 30, and it is solid by vacuum switch
Sealed pole, disconnecting switch and operating mechanism composition, operating mechanism control respectively vacuum switch and disconnecting switch point, close behaviour
Make.The overall U-shaped of vacuum switch pole, top is the first transverse conductance bar 321, and middle part is the first vertical electric conduction bar
320 and the second vertical electric conduction bar 317, bottom is the second transverse conductance bar 312, and the first vertical electric conduction bar 320 and second is vertically led
The binding end of electric pole 317 is in vacuum interrupter 318.
The bottom of the second vertical electric conduction bar 317 is placed in the second spring touch finger 319, and its bottom is in the second insulation full skirt
In 316, the insulated tension pole 315 connecting the second vertical electric conduction bar 317 is controlled by operating mechanism, it is achieved the first vertical electric conduction bar
320 and second vertical electric conduction bar 317 separation and combination.
Disconnecting switch is made up of the upper movable contact rod 322 being vertically arranged and lower moving contact bar 311, upper movable contact rod 322
Top is provided with moving contact 301, and the bottom of lower moving contact bar 311 is provided with lower moving contact 313, upper movable contact rod 322 and lower moving and touches
Head rod 311 is respectively by the 3rd spring touch finger 304 respectively with first transverse conductance bar the 321, second transverse conductance bar 312 even
Connect.
The outside of the 3rd spring touch finger 304 is provided with the 3rd Interposer contact seat 302, and the outside of the 3rd Interposer contact seat 302 sets
There is the second insulating sheath 306 and the second insulative tiles 303, while ensureing insulation, promote insulation creep distance further.
The bottom of upper movable contact rod 322 and the top of lower moving contact bar 311 are equipped with tool in the middle of external thread sleeve 305,
Upper movable contact rod 322 and lower moving contact bar 311 are coated with by the external thread sleeve 308 having sprocket wheel 309, and external thread sleeve 308 stretches into second
Insulating sheath 306 is internal.
3rd Interposer contact seat 302 is provided with the projection forbidding that lower moving contact 313 (upper moving contact 301) rotates, and is inserted into
In the groove of moving contact 313 (upper moving contact 301), make lower moving contact 313 (upper moving contact 301) to rotate, be merely able to according to
The direction of rotation of thread bush moves up and down.
Upper movable contact rod 322 stretches upwards when disconnecting switch is closed a floodgate, retracted downward during separating brake；Lower moving contact bar 311 closes
Stretch downwards during lock, upwards shrink during separating brake.When disconnecting switch needs Guan Bi, operating mechanism realizes sprocket wheel 309 and rotates, sprocket wheel
309 drive external thread sleeve 308 to rotate, and then realize upper movable contact rod 322 movable contact rod 311 up and down and are travel downwardly.
For upper disconnecting switch, upper moving contact 301 is i.e. inserted in the middle of the first of disconnecting switch upper static contact box 20
In contact base 22, it is achieved upper disconnecting switch closing operation, connect circuit.Otherwise, when disconnecting switch needs disjunction, upper moving contact
Bar 322 retracted downward, makes moving contact 301 depart from the first Interposer contact seat 22 of disconnecting switch upper static contact box 20, it is achieved on
The sub-switching operation of disconnecting switch, disconnecting circuit.
For lower disconnecting switch, lower moving contact 313 is i.e. inserted in the middle of second of stationary contact head cartridge 40 under disconnecting switch
In contact base 405, it is achieved lower disconnecting switch closing operation, connect circuit.Otherwise, when disconnecting switch needs disjunction, lower dynamic tactile
Head rod 311 upwards shrinks, and makes lower moving contact 313 depart from the second Interposer contact seat 405 of stationary contact head cartridge 40 under isolation disconnecting switch,
Realize the sub-switching operation of lower disconnecting switch, disconnecting circuit.Now, two moving contacts of disconnecting switch are electric to combination by income completely
The inside of device.
Seeing also Fig. 6-10, the second insulating base 401, as a kind of many merits mould module, is additionally provided with power cable above
Line interface 412, the grafting port 414 of spark gap and the grafting port 413 of voltage transformer.Entering with power cable
As a example by outlet interface 412, stress set 411 is installed in the bottom of the second insulating base 401, and power cable seif-citing rate overlapped for 411 ends
End entrance access, with stress set 411 in binding post 410 affixed after, by fastening standard component 408 limit mounting, fastening mark
The outer wall of quasi-part 408 is provided with insulator cap 407.
It addition, the inside of the second insulating base 401 is additionally provided with three groups of conducting rings 409, its effect is by the second Interposer contact
The binding post 410 of seat 405 and power cable, spark gap and voltage transformer is joined to one another.
It should be noted that under above-mentioned disconnecting switch upper static contact box and disconnecting switch, stationary contact head cartridge can be made as independent shape
State, both may be used in single-phase switch, it is also possible to as having in the heterogeneous construction of switch adjusting phase spacing function.
Ac high-voltage armouring drawer type intellectuality vacuum switch cabinet has carried out appropriate design in the effective space of switch cubicle
Arranging, solving front in air insulation movable switch cubicle for many years, to extract the cabinet anteroposterior dimension caused out excessive, chopper
The cabinet the front is over-extended that left-right situs causes, and bus is changed to the galvanic circle mistake that caused in tandem by left-right situs
Long, anteroposterior dimension is long, increases the problem such as loop resistance and waste raw material.Air insulation movable switch cubicle volume is made to reach
At least 1/3-1/4 of traditional switch cabinet.Meanwhile, switch cubicle designs fully according to air insulation theory, its air gap and insulation
Creep distance complies fully with air insulation requirement.
The beneficial effect of ac high-voltage armouring drawer type intellectuality vacuum switch cabinet mainly shows as follows:
1, compact conformation, modular designs, current class and electric pressure cover wide.
2, air-insulated design concept is respected completely.
3, chopper can extract replacing and maintenance easily out.
4, when one group of switch cubicle needs maintenance and changes, arbitrarily one side can individually be hung out wherein.
5, automatic assembly line can be realized produce.
6, without exposed conductor, run safer.
7, chopper need not be extracted out, disconnecting switch can be completed and earthed switch remotely operates, allow distribution automation become
Reality.
8, environmental suitability is strong, installs seal bootr additional and can improve the height above sea level of place of operation.
9, produce, use and overall process environmental protection out of service.
Above embodiment is only to be described the preferred embodiment of the present invention, not enters the scope of the present invention
Row limits, and on the premise of designing spirit without departing from the present invention, technical scheme is made by those of ordinary skill in the art
The various deformation gone out and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (10)
1. an ac high-voltage armouring drawer type intellectuality vacuum switch cabinet, including cabinet (10), it is characterised in that: described cabinet
(10) inside upper spacer (11) and lower clapboard (12) are separated to form three layer function regions, upper, middle and lower layer region be sequentially provided with every
Leave stationary contact head cartridge (40) under pass upper static contact box (20), vacuum circuit breaker isolating switch combined electrical apparatus (30), disconnecting switch；Very
Empty breaker and switch group closes electrical equipment (30) and from the right-side-out pull-out of switch cubicle or advances inwards with drawer car form；Behaviour
The upper and lower movable contact rod making the disconnecting switch that mechanism (50) controls vacuum circuit breaker isolating switch combined electrical apparatus (30) inserts it into
Under disconnecting switch upper static contact box (20), disconnecting switch in stationary contact head cartridge (40), it is achieved the closing operation of disconnecting switch；Otherwise then
Realize the sub-switching operation of disconnecting switch.
2. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 1, it is characterised in that: with keep apart
The interbus that pass upper static contact box (20) connects extends, from hole slot (14) position of cabinet side to the side vertical direction of cabinet
Put extraction, be connected in adjacent cabinet thus form parallel relationship with another switch cubicle.
3. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 1, it is characterised in that: described vacuum
Breaker and switch group closes electrical equipment (30) and is made up of, very vacuum switch pole, disconnecting switch and operating mechanism (50)
The overall U-shaped of empty switch pole, top is the first transverse conductance bar (321), and middle part is the first vertical electric conduction bar (320)
With the second vertical electric conduction bar (317), bottom is the second transverse conductance bar (312), the first vertical electric conduction bar (320) and second vertical
The binding end of conducting rod (317) is in vacuum interrupter (318)；Disconnecting switch is by the upper movable contact rod (322) being vertically arranged
Forming with lower moving contact bar (311), the top of upper movable contact rod (322) is provided with moving contact (301), lower moving contact bar (311)
Bottom be provided with lower moving contact (313), upper movable contact rod (322) and lower moving contact bar (311) and respectively touched by the 3rd spring
Refer to that (304) are connected with the first transverse conductance bar (321), the second transverse conductance bar (312) respectively；Move in operating mechanism (50) realization
Contact stem (322) and lower moving contact bar (311) is close to each other or away from, it is achieved the separating brake of disconnecting switch or closing operation.
4. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 3, it is characterised in that: upper moving contact
The bottom of bar (322) and the top of lower moving contact bar (311) are equipped with external thread sleeve (305), and a centre has sprocket wheel (309)
External thread sleeve (308) upper movable contact rod (322) and lower moving contact bar (311) are coated with, it is exhausted that external thread sleeve (308) stretches into second
Edge sheath (306) is internal；Operating mechanism (50) realizes sprocket wheel (309) and rotates, and sprocket wheel (309) drives external thread sleeve (308) to rotate,
Then realize upper movable contact rod (322) and lower moving contact bar (311) is close to each other or away from.
5. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 3, it is characterised in that: second is vertical
The bottom of conducting rod (317) is placed in the second spring touch finger (319), and its bottom is in the second insulation full skirt (316), connects
The insulated tension pole (315) of the second vertical electric conduction bar (317) is controlled by operating mechanism (50), it is achieved the first vertical electric conduction bar
(320) separation of and the second vertical electric conduction bar (317) and combination；The outside of the 3rd spring touch finger (304) is provided with in the middle of the 3rd and touches
Headstock (302), the outside of the 3rd Interposer contact seat (302) is provided with the second insulating sheath (306) and the second insulative tiles (303).
6. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 1, it is characterised in that: described isolation
Switch upper static contact box (20) includes three the first Interposer contact seats (22), fills in the interior grooves of the first Interposer contact seat (22)
There is the first spring touch finger (24), before cabinet is backward, presses the order arrangement at a certain distance of A, B, C phase sequence；First Interposer contact seat
(22) top is in cylinder, and surface is provided with the screw (23) for installing interbus；First insulation full skirt (25) interior
Portion's hollow, and the outside bottom it be provided with multiple increase insulation creep distance ring-type full skirt (28).
7. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 6, it is characterised in that: three first
Interposer contact seat (22) is respectively arranged on the first insulating base (21) by one first insulation full skirt (25), the first insulation full skirt
(25) top is provided with the first insulative tiles (27), and the first insulative tiles (27) has the opening being arranged symmetrically with, for first
The interbus of Interposer contact seat (22) perpendicular layout is walked.
8. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 1, it is characterised in that: described isolation
The lower stationary contact head cartridge (40) of switch includes three the second Interposer contact seats (405), and the inside of the second Interposer contact seat (405) is equipped with the
Four spring touch fingers (406)；Three the second Interposer contact seats (405) are respectively arranged on second by one the 3rd insulation full skirt (403)
On insulating base (401), the top of the 3rd insulation full skirt (403) is provided with the first insulating sheath (402).
9. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 8, it is characterised in that: the second insulation
The line interface (412) of power cable, the grafting port (414) of spark gap and mutual induction of voltage it is additionally provided with on pedestal (401)
The grafting port (413) of device, the inside of the second insulating base (401) is additionally provided with three groups of conducting rings (409), and its effect is by second
The binding post (410) of Interposer contact seat (405) and power cable, spark gap and voltage transformer is joined to one another.
10. ac high-voltage armouring drawer type intellectuality vacuum switch cabinet as claimed in claim 8, it is characterised in that: second is exhausted
The bottom of edge pedestal (401) is provided with stress set (411), power cable, spark gap or voltage transformer seif-citing rate set (411) bottom
Entrance access, affixed with the binding post (410) in stress set (411) after, by fastening standard component (408) limit mounting, tightly
Gu the outer wall of standard component (408) is provided with insulator cap (407).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398219.0A CN105958361B (en) | 2016-06-07 | 2016-06-07 | A kind of ac high-voltage armouring drawer type intelligence vacuum switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398219.0A CN105958361B (en) | 2016-06-07 | 2016-06-07 | A kind of ac high-voltage armouring drawer type intelligence vacuum switch cabinet |
Publications (2)
| Publication Number | Publication Date |
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| CN105958361A true CN105958361A (en) | 2016-09-21 |
| CN105958361B CN105958361B (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610398219.0A Active CN105958361B (en) | 2016-06-07 | 2016-06-07 | A kind of ac high-voltage armouring drawer type intelligence vacuum switch cabinet |
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| CN (1) | CN105958361B (en) |
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| CN106329377A (en) * | 2016-10-31 | 2017-01-11 | 江苏天港箱柜有限公司 | Compact switch cabinet |
| CN106486914A (en) * | 2016-11-25 | 2017-03-08 | 天津沃尔法电力设备有限公司 | Air insulation switch cubicle |
| CN107181194A (en) * | 2017-06-22 | 2017-09-19 | 广东紫光电气有限公司 | A kind of double isolation armouring mobile vacuum high-tension switch gears of straight cutting |
| CN109038347A (en) * | 2018-08-21 | 2018-12-18 | 南通东源电力智能设备有限公司 | A kind of intelligent environmental protection type Inflatable ring main unit |
| CN113964698A (en) * | 2021-11-24 | 2022-01-21 | 中车大连机车车辆有限公司 | High-pressure tank applicable to high-altitude environment and used for electric locomotive |
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| CN105958361B (en) | 2018-05-18 |
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