CN202042818U - Three-phase integrated compact type solid insulation high-voltage AC vacuum switch cabinet - Google Patents

Three-phase integrated compact type solid insulation high-voltage AC vacuum switch cabinet Download PDF

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Publication number
CN202042818U
CN202042818U CN2011201236634U CN201120123663U CN202042818U CN 202042818 U CN202042818 U CN 202042818U CN 2011201236634 U CN2011201236634 U CN 2011201236634U CN 201120123663 U CN201120123663 U CN 201120123663U CN 202042818 U CN202042818 U CN 202042818U
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CN
China
Prior art keywords
switch
moving contact
isolating switch
vacuum
breaker
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Expired - Fee Related
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CN2011201236634U
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Chinese (zh)
Inventor
沈继贤
张增起
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HEBEI XIANGBIAN ELECTRICAL APPLIANCE CO Ltd
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HEBEI XIANGBIAN ELECTRICAL APPLIANCE CO Ltd
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Priority to CN2011201236634U priority Critical patent/CN202042818U/en
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Abstract

A three-phase integrated compact type solid insulation high-voltage AC vacuum switch cabinet comprises a chest body, wherein an isolating switch, a vacuum breaker, a ground-switch, a left cable inlet and outlet end, a right cable inlet and outlet end, and operating mechanisms which are mounted in the chest body; the isolating switch, the ground-switch, and an insulation base are mounted on the framework of the chest body; the insulation base comprises a T-shaped conducting rod, and the upper end of the T-shaped conducting rod is served as the static contact of the isolating switch and the lower end of that is served as the static contact of the ground-switch; the right cable inlet and outlet end is fixed and encapsulated on the right side at the lower end of the vacuum breaker; the left end of the T-shaped conducting rod is served as the left cable inlet and outlet end; the vacuum breaker and a spring energy storage operating mechanism are connected; and the isolating switch and the ground-switch are connected with a lock type manual operating mechanism. The vacuum switch cabinet has the advantages that the electrified areas of all switch components are encapsulated by a solid insulating material, so that the use is safer; and compared with the products with the same performances and a voltage grade lower than or equal to 40.5kV, the volume of the vacuum switch cabinet is reduced by 50% to 80%, the weight of that is reduced by 30% to 60%, and the raw material is saved by over 20% to 30%.

Description

Three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle
Technical field
The utility model relates to high voltage switchgear, refers to a kind of three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle especially.
Background technology
Three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle is mainly used in being subjected to electricity, sending electricity of secondary substation, reactive power automatic compensation device and the large-scale high-tension motor starting etc. of industrial and mineral enterprises and institutions distribution and electric industry system, carries out the usefulness of control protection, monitoring.
At present, the charged position existence of switch element is exposed in the three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, and the poor stability of use has Danger Electric shock risk.Because creep distance is less, in order to satisfy insulating requirements, overall volume is bigger, so weight is also bigger, raw material expend many, and occupation area of equipment is big.When dividing the outdoor high-voltage cable distribution box etc. of adapted especially for outdoor cabinet type transformer station, outdoor switching station or city cable, often can not satisfy customer requirements.
The utility model content
The purpose of this utility model is to overcome above defective, provide a kind of charged position not exposed, use safer, can satisfy insulating requirements, reduce overall volume, weight, consumptive material and occupation area of equipment again, be applicable to the three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle of outdoor cabinet type transformer station, outdoor switching station and outdoor high-voltage cable distribution box.
For achieving the above object, the three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle that the utility model provides, comprise casing, interior dress isolating switch, vacuum circuit-breaker, earthed switch, a left side, right cable turnover line end and operating mechanism, described casing is provided with skeleton, described skeleton is installed on the side plate of described casing, isolating switch and earthed switch are installed on the described skeleton, one insulating base also is installed on the described skeleton, described insulating base comprises a horizontal T shape conducting rod, admittedly be enclosed in the described insulating base side by side about described vacuum circuit-breaker and T shape conducting rod, the upper end of described T shape conducting rod is as the fixed contact of described isolating switch, the lower end of described T shape conducting rod is as the fixed contact of described earthed switch, the moving contact of described isolating switch is installed in the top of described insulating base, the moving contact of described earthed switch is installed in the below of described insulating base, right cable turnover line end is enclosed in the right side of described vacuum circuit-breaker lower end admittedly, described vacuum circuit-breaker is connected with described right cable turnover line end, the left end of described T shape conducting rod is as left cable turnover line end, described operating mechanism comprises spring energy-storage operating mechanism and locking type isolating switch and earthed switch manual-operating mechanism, described vacuum circuit-breaker is connected with described spring energy-storage operating mechanism, and described isolating switch is connected with described locking type isolating switch and earthed switch manual-operating mechanism respectively with earthed switch.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, wherein said vacuum circuit-breaker comprises vacuum circuit-breaker fixed contact and the vacuum circuit-breaker moving contact in vacuum extinction pipe and its inner chamber, described vacuum circuit-breaker fixed contact matches with the moving contact of described isolating switch, described vacuum circuit-breaker moving contact is connected with insulated tension pole, and described insulated tension pole is connected with described spring energy-storage operating mechanism.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, wherein said isolating switch is provided with isolating switch support and the U-shaped moving contact that is installed on the described isolating switch support, the first end of described U-shaped movable contact matches with described vacuum circuit-breaker fixed contact, the described U-shaped moving contact other end matches with the upper end of described T shape conducting rod, the end of described U-shaped moving contact is respectively equipped with the connection petal, described isolating switch support is installed on the side plate of described casing, and described U-shaped moving contact is connected with described locking type isolating switch and earthed switch manual-operating mechanism.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, wherein said earthed switch is provided with earthed switch support and the earthed switch moving contact that is installed on the described earthed switch support, described earthed switch moving contact is provided with the ground connection petal that matches with the lower end of described T shape conducting rod, described earthed switch support is installed on the side plate of described casing, and described earthed switch moving contact is connected with described locking type isolating switch and earthed switch manual-operating mechanism.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, wherein said locking type isolating switch and earthed switch manual-operating mechanism are provided with the public operation axle and the divide-shut brake energy-stored spring of described isolating switch and earthed switch, described public operation axle be installed in described casing before, on the rear cross beam, the front end of described public operation axle is the hexagonal column type, on the described public operation axle connecting lever is installed, the other end of described connecting lever and divide-shut brake energy-stored spring are hinged and connected, and described U-shaped moving contact and earthed switch moving contact pass through switch spindle separately, pull bar and connecting lever and described public operation axle are hinged and connected.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, wherein said cable turnover line end is provided with right cable turnover line interbus seat and the cable turnover line interbus seat that fuses with described insulating base, described right cable turnover line end is enclosed in the described right cable turnover line interbus seat admittedly, the left end of described T shape conducting rod is enclosed in the described cable turnover line interbus seat admittedly, and described left cable turnover line end is equipped with current transformer.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, the top of wherein said insulating base is provided with mounting bracket, and is connected with the side plate of described casing by mounting bracket.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, wherein said left cable turnover line interbus seat also is connected with lightning arrester.
The utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle is owing to set up insulating base, high pressure components and parts by the discrete layout of standalone feature in the conventional high-tension switch cubicle are adopted being placed in the insulating base of concentrated three-phase unification, formed a solid insulation package assembling.Because the solid insulating material encapsulation is all adopted at the charged position of all switch elements, charged position is exposed, uses saferly, does not have Danger Electric shock risk.Charged position creep distance is big, has both satisfied insulating requirements, has reduced overall volume again.The volume of comparing similar performance product reduces 50-80%, weight saving 30-60%.Save more than the raw material 20%-30%, reduce occupation area of equipment.Therefore, this product can be used for outdoor cabinet type transformer station, outdoor switching station and outdoor high-voltage cable distribution box.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings
Fig. 1 is that the master of the utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle looks cutaway view;
Fig. 2 is the front view (removing the cabinet door) of locking type isolating switch and earthed switch manual-operating mechanism;
Fig. 3 is that the master of insulating base body looks cutaway view;
Fig. 4 is that the master after insulating base is installed looks cutaway view;
Fig. 5 is that cutaway view is looked on the right side after insulating base is installed;
Fig. 6 is that cutaway view is looked on the left side after insulating base is installed.
Embodiment
Consult Fig. 1, the utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle comprises casing 1, interior dress isolating switch 20, vacuum circuit-breaker 50, earthed switch 30, left cable turnover line end 61, right cable turnover line end 41 and operating mechanism.Operating mechanism comprises spring energy-storage operating mechanism 7 and locking type isolating switch and earthed switch manual-operating mechanism 8.
Casing 1 is provided with skeleton 2, and skeleton 2 is contained on the side plate 3 of casing 1.By mounting bracket 4 insulating base 10 is installed on the skeleton 2.In conjunction with Fig. 3 and Fig. 4, the fixed contact 31 of the fixed contact 21 of isolating switch 20, vacuum circuit-breaker 50, earthed switch 30 and right cable turnover line end 41 and left cable turnover line end 61 are enclosed in the insulating base 10 admittedly.
In conjunction with Fig. 3 to Fig. 6, be provided with a horizontal T shape conducting rod 11 in the insulating base 10, the upper end of T shape conducting rod 11 is as static contact isolation switch 21, and the lower end of T shape conducting rod 11 is as earthed switch fixed contact 31, and the left end of T shape conducting rod 11 is as left cable turnover line end 61.
Vacuum circuit-breaker 50 comprises vacuum circuit-breaker fixed contact 51 and the vacuum circuit-breaker moving contact 52 in vacuum extinction pipe and its inner chamber.Vacuum circuit-breaker moving contact 52 is connected with right cable turnover line end 41.Vacuum circuit-breaker fixed contact 51 matches with the isolating switch moving contact, and vacuum circuit-breaker moving contact 52 is connected with insulated tension pole 53, and insulated tension pole 53 is connected with spring energy-storage operating mechanism 7.
Isolating switch 20 is provided with isolating switch support 24 and is installed on the isolating switch support 24 U-shaped moving contact 22.Isolating switch support 24 is installed on the side plate 2 of casing 1.U-shaped moving contact 22 1 ends match with vacuum circuit-breaker fixed contact 51, U-shaped moving contact 22 other ends are that static contact isolation switch 21 matches with the upper end of T shape conducting rod, the end of U-shaped moving contact 22 is respectively equipped with the some petals 23 that match with fixed contact, and U-shaped moving contact 22 is connected with locking type isolating switch and earthed switch manual-operating mechanism 8.
Earthed switch 30 is provided with earthed switch support 34 and the earthed switch moving contact 32 that is installed on the earthed switch support 34.Earthed switch support 34 is installed on the side plate 2 of casing 1.It is some ground connection petals 33 that earthed switch fixed contact 31 matches that earthed switch moving contact 32 is provided with the lower end of T shape conducting rod, and earthed switch moving contact 32 is connected with locking type isolating switch and earthed switch manual-operating mechanism 8.
Consult Fig. 2, locking type isolating switch and earthed switch manual-operating mechanism 8 are provided with the public operation axle 81 of isolating switch and earthed switch, public operation axle 81 is installed in above the forward and backward crossbeam of casing 1, the front end of public operation axle 81 is the hexagonal column type, and operating grip can carry out breaking-closing operating after inserting.Locking type isolating switch and earthed switch manual-operating mechanism 8 are provided with divide-shut brake energy-stored spring 82, and connecting lever 83 is installed on the public operation axle 81, and the other end of connecting lever 83 and divide-shut brake energy-stored spring 82 are hinged and connected.U-shaped moving contact 22 and earthed switch moving contact 32 are hinged and connected by switch spindle, pull bar and connecting lever and public operation axle 81 separately.After on the outer end that operating grip is installed to public operation axle 81, by operating grip rotation public operation axle 81, divide-shut brake energy-stored spring 82 is with compressed energy-storage, after divide-shut brake energy-stored spring 82 is rotated in place, energy discharges, and makes switch carry out the on/off switch motion.Because the structure of this locking each other, make isolating switch 20 or earthed switch 30 can only have one group of switch to be in closing position separately among both, realized the function of locking each other.
Cable turnover line end is provided with right cable turnover line interbus seat 40 and the left cable turnover line interbus seat 60 that fuses with insulating base 10, and right cable turnover line end 41 is enclosed in the right cable turnover line interbus seat 40 admittedly.The left end 61 of T shape conducting rod is enclosed in the left cable turnover line interbus seat 60 admittedly.Left side cable turnover line end 61 is equipped with current transformer 5.Left side cable turnover line interbus seat 60 also is connected with lightning arrester 6.
In the embodiment of the utility model three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle:
A. vacuum circuit-breaker and earthed switch, isolating switch are realized locking each other:
On the casing of three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, be provided with the observation window that to observe isolating switch and earthed switch state, can with the naked eye see isolating switch and the residing divide-shut brake of earthed switch position by observation window.Simultaneously, when the vacuum circuit breaker is in "on" position, the installing hole of operating grip will be capped, and operating grip can't be inserted, purpose that can not disconnecting switch operation when reaching vacuum circuit-breaker and closing a floodgate.Behind the vacuum breaker open operation, the operator delthyrium will be opened, and this moment can disconnecting switch operation.As above said, isolating switch and earthed switch have same operating axis, when isolating switch closes a floodgate, the earthed switch automatic brake separating, in the time of the disjunction isolating switch, earthed switch closes a floodgate, the two mutual locking, can only have one of them to be in "on" position between the two, ensuring equipment can not close a floodgate when earthed switch is in ground state.
It should be noted that: because long cable section of ingoing line is electriferous state at ordinary times, the switch cubicle inlet wire side that therefore is used for long cable section of ingoing line does not install earthed switch additional.
B. because device interior adopts all insulation structure, the position that people institute can touch all is insulated the material sealing, and these position outer surfaces scribble the semiconductor protection layer of ground connection, so can not cause operating personnel's electric shock accidents, have improved safe class.Allowing to open the routine that chamber door carries out in the equipment operation observes.The chamber door of outside can only be opened by the professional.
The above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection range of claims of the present utility model.

Claims (8)

1. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle, comprise casing (1), interior dress isolating switch (20), vacuum circuit-breaker (50), earthed switch (30), right cable turnover line end (41), left side cable turnover line end (61) and operating mechanism, it is characterized in that: be provided with skeleton (2) in the described casing (1), described skeleton (2) is installed on the side plate (3) of described casing (1), described isolating switch (20) and earthed switch (30) are installed on the described skeleton (2), one insulating base (10) is installed on the described skeleton (2), described insulating base (10) comprises a horizontal T shape conducting rod (11), admittedly be enclosed in side by side in the described insulating base (10) about described vacuum circuit-breaker (50) and T shape conducting rod (11), the upper end of described T shape conducting rod (11) is as the fixed contact (21) of described isolating switch (20), the lower end of described T shape conducting rod (11) is as the fixed contact (31) of described earthed switch (30), the moving contact (22) of described isolating switch (20) is installed in the top of described insulating base (10), the moving contact (32) of described earthed switch (30) is installed in the below of described insulating base (10), described right cable turnover line end (41) is enclosed in the right side of described vacuum circuit-breaker (50) lower end admittedly, described vacuum circuit-breaker (50) is connected with described right cable turnover line end (41), the left end of described T shape conducting rod (11) is as left cable turnover line end (61), described operating mechanism comprises spring energy-storage operating mechanism (7) and locking type isolating switch and earthed switch manual-operating mechanism (8), described vacuum circuit-breaker (50) is connected with described spring energy-storage operating mechanism (7), and described isolating switch (20) is connected with described locking type isolating switch and earthed switch manual-operating mechanism (8) respectively with earthed switch (30).
2. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle as claimed in claim 1, it is characterized in that: wherein said vacuum circuit-breaker (50) comprises vacuum circuit-breaker fixed contact (51) and the vacuum circuit-breaker moving contact (52) in vacuum extinction pipe and its inner chamber, described vacuum circuit-breaker fixed contact (51) matches with the moving contact (52) of described isolating switch, described vacuum circuit-breaker moving contact (52) is connected with insulated tension pole (53), and described insulated tension pole (53) is connected with described spring energy-storage operating mechanism (7).
3. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle as claimed in claim 1 or 2, it is characterized in that: wherein said isolating switch (20) is provided with isolating switch support (24) and is installed in U-shaped moving contact (22) on the described isolating switch support (24), described U-shaped moving contact (22) one ends match with described vacuum circuit-breaker fixed contact (51), described U-shaped moving contact (22) other end matches with the upper end of described T shape conducting rod (11), the end of described U-shaped moving contact (22) is respectively equipped with and connects petal (23), described isolating switch support (24) is installed on the side plate (3) of described casing (1), and described U-shaped moving contact (22) is connected with described locking type isolating switch and earthed switch manual-operating mechanism (8).
4. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle as claimed in claim 3, it is characterized in that: wherein said earthed switch (30) is provided with earthed switch support (34) and is installed in earthed switch moving contact (32) on the described earthed switch support (34), described earthed switch moving contact (32) is provided with the ground connection petal (33) that matches with the lower end of described T shape conducting rod (11), described earthed switch support (34) is installed on the side plate (3) of described casing (1), and described earthed switch moving contact (32) is connected with described locking type isolating switch and earthed switch manual-operating mechanism (8).
5. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle as claimed in claim 4, it is characterized in that: wherein said locking type isolating switch and earthed switch manual-operating mechanism (8) are provided with the public operation axle (81) and the divide-shut brake energy-stored spring (82) of described isolating switch (20) and earthed switch (30), described public operation axle (81) be installed in described casing (1) before, on the rear cross beam, the front end of described public operation axle (81) is the hexagonal column type, connecting lever (83) is installed on the described public operation axle (81), the other end of described connecting lever (83) and described divide-shut brake energy-stored spring (82) are hinged and connected, and described U-shaped moving contact (22) and earthed switch moving contact (32) pass through switch spindle separately, pull bar and connecting lever and described public operation axle (81) are hinged and connected.
6. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle as claimed in claim 5, it is characterized in that: wherein said right cable turnover line end (41) is provided with the right cable turnover line interbus seat (40) that fuses with described insulating base (10), described left cable turnover line end (61) is provided with the left cable turnover line interbus seat (60) that fuses with described insulating base (10), described right cable turnover line end (41) is enclosed in the described right cable turnover line interbus seat (40) admittedly, described left cable turnover line end (61) is enclosed in the described left cable turnover line interbus seat (60) admittedly, and described left cable turnover line end (61) is equipped with current transformer (5).
7. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle as claimed in claim 6 is characterized in that: the top of wherein said insulating base (10) is provided with mounting bracket (4) and is connected with the side plate (3) of described casing (1) by mounting bracket (4).
8. three-phase coenosarc compact solid insulation HVAC vacuum switch cubicle as claimed in claim 7 is characterized in that: wherein said left cable turnover line interbus seat (60) also is parallel with lightning arrester (6).
CN2011201236634U 2011-04-25 2011-04-25 Three-phase integrated compact type solid insulation high-voltage AC vacuum switch cabinet Expired - Fee Related CN202042818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201236634U CN202042818U (en) 2011-04-25 2011-04-25 Three-phase integrated compact type solid insulation high-voltage AC vacuum switch cabinet

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Application Number Priority Date Filing Date Title
CN2011201236634U CN202042818U (en) 2011-04-25 2011-04-25 Three-phase integrated compact type solid insulation high-voltage AC vacuum switch cabinet

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CN202042818U true CN202042818U (en) 2011-11-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290731A (en) * 2011-04-25 2011-12-21 张增起 Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet
CN105305284A (en) * 2015-12-01 2016-02-03 高亮敏 Solid ring main unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290731A (en) * 2011-04-25 2011-12-21 张增起 Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet
CN102290731B (en) * 2011-04-25 2013-10-30 张增起 Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet
CN105305284A (en) * 2015-12-01 2016-02-03 高亮敏 Solid ring main unit

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111116

Termination date: 20140425