CN205230929U - Take vacuum interrupter's multi -functional electric capacity jacket pipe - Google Patents

Take vacuum interrupter's multi -functional electric capacity jacket pipe Download PDF

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Publication number
CN205230929U
CN205230929U CN201520827654.1U CN201520827654U CN205230929U CN 205230929 U CN205230929 U CN 205230929U CN 201520827654 U CN201520827654 U CN 201520827654U CN 205230929 U CN205230929 U CN 205230929U
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China
Prior art keywords
sleeve pipe
vacuum interrupter
insulation core
pipe insulation
capacitance plate
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CN201520827654.1U
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Chinese (zh)
Inventor
王欢
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Beijing Ruiheng Xinyuan Investment Co Ltd
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Beijing Ruiheng Xinyuan Investment Co Ltd
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Abstract

The utility model provides a take vacuum interrupter's multi -functional electric capacity jacket pipe, one end that includes sleeve pipe insulation core body two binding post s of cladding outside vacuum interrupter is drawn forth from sleeve pipe insulation core body both ends respectively, two binding post's the other end can vacuum interrupter internal contact and separation realize the closed of circuit with divide disconnected. The utility model discloses a take vacuum interrupter's multi -functional electric capacity jacket pipe not only has the sleeve pipe function, still has the circuit breaker function, sets up the break -make that vacuum interrupter realized the circuit in the sleeve pipe insulation core body, can simplify the structure of high -voltage switch, switch board, reduces the equipment volume, reduces the cost of equipment.

Description

With the Multifunctional capacitor molded cannula of vacuum interrupter
Technical field
The utility model belongs to High-Voltage Electrical Appliances field, relates to a kind of Multifunctional capacitor molded cannula with vacuum interrupter, can be used as sleeve pipe and high-voltage switch gear.
Background technology
The break-make that existing power distribution station, transformer station adopt high-pressure vacuum breaker to carry out circuit usually controls, existing vacuum circuit-breaker is generally made up of several large parts such as casing, vacuum interrupters, up and down post insulator cylinder, lead terminal, flange, current transformer, insulated tension pole, there is the function such as switch, current measurement, there is the problem that volume is large, complex structure, cost are high, installation and maintenance is complicated.Universal along with modern intelligent grid, more and more needs electric equipment to simplify and function i ntegration, modularization, equipment is installed, runs, maintenance is more simple and convenient.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, provides the Multifunctional capacitor molded cannula of the band vacuum interrupter that a kind of structure is simple, cost is low, easy to maintenance, not only has sleeve pipe function, also have circuit breaker function.The functions such as line current signal, voltage signal and high pressure power taking energy can also be provided in addition.
For achieving the above object, the utility model have employed following technical scheme:
A kind of Multifunctional capacitor molded cannula with vacuum interrupter, comprise the capacitive based sleeve pipe insulation core body 4 be coated on outside vacuum interrupter 7, one end of two binding posts 1 is drawn from sleeve pipe insulation core body 4 two ends respectively, and the other end of two binding posts 1 can be contacting and separating and realize the closed of circuit and disjunction in vacuum interrupter 7.
A preferred embodiment of the present utility model, the capacitance plate group 5 that the capacitance plate being embedded the multiple coaxial setting be arranged alternately with insulating barrier in sleeve pipe insulation core body 4 is formed, wherein outermost capacitance plate is earthing 50.
Further, capacitance plate group 5 comprises the mask capacitor screen 53 of the main capacitance screen 51 forming main capacitance C1, the derided capacitors screen 52 forming derided capacitors C2 and formation mask capacitor C3; Main capacitance C1 and the derided capacitors C2 capacitor voltage divider providing voltage signal to export in series, mask capacitor C3 plays shielding protection effect.
Another preferred embodiment of the present utility model, in sleeve pipe insulation core body 4, be embedded with two capacitance plate groups, 5, two capacitance plate groups 5 be separately positioned on sleeve pipe insulation core body 4 two ends, the earthing 50 of two capacitance plate groups 5 connects.
Further, the capacitance plate of the multiple coaxial setting of each capacitance plate group 5 becomes steps skew to arrange from one end of sleeve pipe insulation core body 4 toward the middle part being provided with vacuum interrupter 7 from inside to outside gradually vertically.
Further, described vacuum interrupter 7 is arranged on the middle part in the cavity of sleeve pipe insulation core body 4, the two ends of vacuum interrupter 7 are provided with arc control device flange 8, two capacitance plate groups 5 are embedded the position around two arc control device flanges 8 in sleeve pipe insulation core body 4 two ends respectively, and each capacitance plate in each capacitance plate group 5 is all around an arc control device flange 8 of correspondence.
Further, two capacitance plate groups 5 in described sleeve pipe insulation core body 4 constitute main capacitance C1, derided capacitors C2 and mask capacitor C3 respectively, main capacitance C1 and the derided capacitors C2 capacitor voltage divider providing voltage signal to export in series, mask capacitor C3 plays shielding protection effect; Two ends after the main capacitance C1 of one of them capacitance plate group 5 connects with derided capacitors C2 and the two ends of mask capacitor C3 are connected with the binding post of Multifunctional capacitor molded cannula one end and earth potential E respectively; Two ends after another capacitance plate group 5 main capacitance C1 and derided capacitors C2 connect and the two ends of mask capacitor C3 are connected with the binding post of the Multifunctional capacitor molded cannula other end and earth potential E respectively; Current Transformer Secondary coil 6 is enclosed within the scope of the earthing of outer two the capacitance plate groups 5 of sleeve pipe insulation core body 4.
Preferably, the outer also cover of described sleeve pipe insulation core body 4 has insulation full skirt 3, is provided with isostatic pressing orchid 2 at the two ends of sleeve pipe insulation core body 4.
Preferably, one or more Current Transformer Secondary coil 6 is had at the outer also cover of sleeve pipe insulation core body 4.
Another preferred embodiment of the present utility model, described vacuum interrupter 7 is arranged on the middle part in the cavity of sleeve pipe insulation core body 4, the two ends of vacuum interrupter 7 are provided with arc control device flange 8, two capacitance plate groups 5 are embedded the position around two arc control device flanges 8 in sleeve pipe insulation core body 4 two ends respectively, each capacitance plate in each capacitance plate group 5 is all around an arc control device flange 8 of correspondence, and multiple capacitance plates of each capacitance plate group 5 become steps skew to arrange from one end of sleeve pipe insulation core body 4 toward the middle part being provided with vacuum interrupter 7 from inside to outside gradually vertically; Current Transformer Secondary coil 6 is enclosed within the position of the outer corresponding vacuum interrupter 7 of pipe insulation core body 4, and the two ends outside sleeve pipe insulation core body 4 are also overlapped respectively two full skirts 3 that insulate, and is provided with isostatic pressing orchid 2 at the two ends of sleeve pipe insulation core body 4.
The Multifunctional capacitor molded cannula of band vacuum interrupter of the present utility model, not only there is sleeve pipe function, also there is circuit breaker function, the break-make that vacuum interrupter realizes circuit is set in sleeve pipe insulation core body, the structure of high-voltage switch gear, control cubicle can be simplified, reduction equipment volume, reduces the cost of equipment.In addition, in sleeve pipe insulation core body, also form mask capacitor and capacitor voltage divider, outside is provided with current transformer, increases monitoring function, makes that power equipment is integrated, modularization and intellectuality, and not only convenient for maintaining is changed, and energy-conserving and environment-protective more.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model condenser type Multifunctional capacitor molded cannula;
Fig. 2 is the structural representation of the utility model sleeve pipe insulation core body;
Fig. 3 is the utility model circuit theory diagrams.
Embodiment
Below in conjunction with the embodiment that accompanying drawing 1 to 3 provides, further illustrate the embodiment of the Multifunctional capacitor molded cannula of band vacuum interrupter of the present utility model.The Multifunctional capacitor molded cannula of band vacuum interrupter of the present utility model is not limited to the description of following examples.
As shown in Figure 1-2, a kind of Multifunctional capacitor molded cannula with vacuum interrupter of the present utility model, comprises vacuum interrupter 7, capacitive sleeve pipe insulation core body 4, the isostatic pressing orchid 2 being arranged on sleeve pipe insulation core body 4 two ends, the insulation full skirt 3 be enclosed within outside sleeve pipe insulation core body 4; Described vacuum interrupter 7 is coated with sleeve pipe insulation core body 4, one end of two binding posts 1 is drawn from sleeve pipe insulation core body 4 two ends respectively, the other end of two binding posts 1 can be contacting and separating and realize the closed of circuit and disjunction in vacuum interrupter 7, insulated tension pole or operating mechanism can drive at least one binding post 1 to move and realize being contacting and separating of two binding posts 1, have one or more Current Transformer Secondary coil 6 at sleeve pipe insulation core body 4 overcoat.The capacitance plate group 5 that the capacitance plate being embedded the multiple coaxial setting be arranged alternately with insulating barrier in sleeve pipe insulation core body 4 is formed, wherein outermost capacitance plate is earthing 50, and capacitance plate group 5 can play shielding protection effect to high-tension line.The mask capacitor screen 53 that capacitance plate group 5 comprises the main capacitance screen 51 forming main capacitance C1, the derided capacitors screen 52 forming derided capacitors C2 and forms mask capacitor C3; Main capacitance C1 and derided capacitors C2 capacitor voltage divider in series, to provide voltage signal to export for measuring voltage, mask capacitor C3 plays shielding protection effect.
The Multifunctional capacitor molded cannula of band vacuum interrupter of the present utility model, not only there is sleeve pipe function, also there is circuit breaker function, the break-make that vacuum interrupter realizes circuit is set in sleeve pipe insulation core body, the structure of high-voltage switch gear, control cubicle can be simplified, reduction equipment volume, reduces the cost of equipment.Be arranged on by vacuum interrupter in the sleeve pipe with capacitive screen structure, binding post is installed at two ends, is realized the function of circuit breaker by the parts such as insulated tension pole and operating mechanism; Isostatic pressing orchid is provided with, to improve the electric field at sleeve pipe two ends at sleeve pipe two ends; Main capacitance C1 and derided capacitors C2 is set and forms capacitor voltage divider, export for measuring voltage to provide voltage signal; If mask capacitor C3 is not affected by the external environment to ensure the stability of voltage measurement signal; Within the scope of the earthing of jacket exterior, install secondary coil, measure current signal and high voltage current-taking function in order to provide.
As Figure 2-3, the preferred embodiment of a kind of Multifunctional capacitor molded cannula with vacuum interrupter of the present utility model, two capacitance plate groups 5 are embedded with in a sleeve pipe insulation core body 4, two capacitance plate groups 5 are symmetricly set on sleeve pipe insulation core body 4 two ends respectively, the earthing 50 of two capacitance plate groups 5 connects, and the capacitance plate of the multiple coaxial setting of each capacitance plate group 5 becomes steps skew to arrange from one end of sleeve pipe insulation core body 4 toward the middle part being provided with vacuum interrupter 7 from inside to outside gradually vertically.Further; described vacuum interrupter 7 is arranged on the middle part in the cavity of sleeve pipe insulation core body 4; the two ends of vacuum interrupter 7 are provided with arc control device flange 8; two capacitance plate groups 5 are embedded the position around two arc control device flanges 8 in sleeve pipe insulation core body 4 two ends respectively, each capacitance plate in each capacitance plate group 5 all around an arc control device flange 8 of correspondence to play shielding protection effect.A Current Transformer Secondary coil 6 is had at sleeve pipe insulation core body 4 overcoat, Current Transformer Secondary coil 6 is enclosed within the scope of sleeve pipe insulation core body 4 external ground screen, preferably, Current Transformer Secondary coil 6 can be enclosed within the position of the outer corresponding vacuum interrupter 7 of pipe insulation core body 4.Two ends outside sleeve pipe insulation core body 4 are also overlapped respectively two full skirts 3 that insulate, and insulation full skirt 3 adopts electrically insulating silicone rubber to make.
Two capacitance plate groups 5 in described sleeve pipe insulation core body 4 constitute main capacitance C1, derided capacitors C2 and mask capacitor C3 respectively, and main capacitance C1 and derided capacitors C2 forms capacitor voltage divider, for measuring voltage, and its shielding action of mask capacitor C3.As shown in Figure 3, the electrical schematic diagram of the condenser type Multifunctional capacitor molded cannula of band vacuum interrupter of the present utility model, the two ends after the main capacitance C1 of one of them capacitance plate group 5 connects with derided capacitors C2 and the two ends of mask capacitor C3 are connected with the binding post of Multifunctional capacitor molded cannula one end and earth potential E respectively; Two ends after another capacitance plate group 5 main capacitance C1 and derided capacitors C2 connect and the two ends of mask capacitor C3 are connected with the binding post of the Multifunctional capacitor molded cannula other end and earth potential E respectively; Current Transformer Secondary coil CT, namely Current Transformer Secondary coil 6 is enclosed within outside sleeve pipe insulation core body 4, and the binding post at Multifunctional capacitor molded cannula two ends is contacting and separating and forms switch DL under insulated tension pole or operating mechanism effect in vacuum interrupter 7; Two capacitance plate groups 5 are symmetrical arranged, no matter which binding post band electric forming high voltage end U can measuring voltage.Certainly multiple capacitance plate group 5 can also be set in a sleeve pipe insulation core body 4, but preferably two, namely can from two ends measuring voltage, shielding insulation protection can be carried out to the binding post at two ends, arc control device flange 8 respectively again.
The sleeve structure of band vacuum interrupter of the present utility model is simple, produce the sleeve pipe with many group capacitive screen structure, vacuum interrupter is fixed in sleeve pipe, after installing current transformer, insulation full skirt, isostatic pressing orchid, binding post and insulated tension pole, namely obtains the condenser type Multifunctional capacitor molded cannula that a brace has circuit breaker function.The main capacitance C1 be embedded in sleeve pipe insulation core body 4 is shielded by one group of coaxial circles cylindrical metallic or semicoductor capacitor to form, and multiple cylindric capacitance plate or semicoductor capacitor shield main capacitance C1 in series; Derided capacitors C2 is the one group of capacitance plate compared with high capacitance continuing coiling outward at the capacitance plate of the outermost of main capacitance C1 or lay; Mask capacitor C3 is manufacturing main capacitance C1, derided capacitors C2 while, from binding post to the coiling of earthing end or the mutually nestable again capacitance plate of the mutually insulated that lays, form main capacitance C1, the capacitance plate of derided capacitors C2 and mask capacitor C3 to be embedded in sleeve pipe insulation core body 4 and coiling or laid successively.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.

Claims (10)

1. the Multifunctional capacitor molded cannula with vacuum interrupter, it is characterized in that: comprise and be coated on vacuum interrupter (7) capacitive based sleeve pipe insulation core body (4) outward, one end of two binding posts (1) is drawn from sleeve pipe insulation core body (4) two ends respectively, and the other end of two binding posts (1) can be contacting and separating and realize the closed of circuit and disjunction in vacuum interrupter (7).
2. the Multifunctional capacitor molded cannula according to claim 1 with vacuum interrupter, it is characterized in that: the capacitance plate group (5) that the capacitance plate being embedded the multiple coaxial setting be arranged alternately with insulating barrier in sleeve pipe insulation core body (4) is formed, wherein outermost capacitance plate is earthing (50).
3. the Multifunctional capacitor molded cannula according to claim 2 with vacuum interrupter, is characterized in that: capacitance plate group (5) comprises main capacitance screen (51) forming main capacitance C1, the derided capacitors forming derided capacitors C2 screen (52) and forms mask capacitor screen (53) of mask capacitor C3; Main capacitance C1 and the derided capacitors C2 capacitor voltage divider providing voltage signal to export in series, mask capacitor C3 plays shielding protection effect.
4. the Multifunctional capacitor molded cannula according to claim 2 with vacuum interrupter, it is characterized in that: in sleeve pipe insulation core body (4), be embedded with two capacitance plate groups (5), two capacitance plate groups (5) are separately positioned on sleeve pipe insulation core body (4) two ends, and the earthing (50) of two capacitance plate groups (5) connects.
5. the Multifunctional capacitor molded cannula according to claim 4 with vacuum interrupter, is characterized in that: the capacitance plate of the multiple coaxial setting of each capacitance plate group (5) becomes steps skew to arrange from one end of sleeve pipe insulation core body (4) toward the middle part being provided with vacuum interrupter (7) from inside to outside gradually vertically.
6. the Multifunctional capacitor molded cannula according to claim 4 with vacuum interrupter, it is characterized in that: described vacuum interrupter (7) is arranged on the middle part in the cavity of sleeve pipe insulation core body (4), the two ends of vacuum interrupter (7) are provided with arc control device flange (8), two capacitance plate groups (5) are embedded the position around two arc control device flanges (8) in sleeve pipe insulation core body (4) two ends respectively, and each capacitance plate in each capacitance plate group (5) is all around an arc control device flange (8) of correspondence.
7. the Multifunctional capacitor molded cannula according to claim 4 with vacuum interrupter, it is characterized in that: two capacitance plate groups (5) in described sleeve pipe insulation core body (4) constitute main capacitance C1, derided capacitors C2 and mask capacitor C3 respectively, main capacitance C1 and the derided capacitors C2 capacitor voltage divider providing voltage signal to export in series, mask capacitor C3 plays shielding protection effect; Two ends after the main capacitance C1 of one of them capacitance plate group (5) connects with derided capacitors C2 and the two ends of mask capacitor C3 are connected with the binding post of Multifunctional capacitor molded cannula one end and earth potential E respectively; Two ends after another capacitance plate group (5) main capacitance C1 and derided capacitors C2 connect and the two ends of mask capacitor C3 are connected with the binding post of the Multifunctional capacitor molded cannula other end and earth potential E respectively; Current Transformer Secondary coil (6) is enclosed within the scope of the earthing of sleeve pipe insulation core body (4) two capacitance plate groups (5) outward.
8. according to the Multifunctional capacitor molded cannula of the arbitrary described band vacuum interrupter of claim 1-7, it is characterized in that: described sleeve pipe insulation core body (4) is also overlapped outward insulation full skirt (3), is provided with isostatic pressing orchid (2) at the two ends of sleeve pipe insulation core body (4).
9. according to the Multifunctional capacitor molded cannula of the arbitrary described band vacuum interrupter of claim 1-7, it is characterized in that: also overlapping outward at sleeve pipe insulation core body (4) has one or more Current Transformer Secondary coil (6).
10. the Multifunctional capacitor molded cannula according to claim 7 with vacuum interrupter, it is characterized in that: described vacuum interrupter (7) is arranged on the middle part in the cavity of sleeve pipe insulation core body (4), the two ends of vacuum interrupter (7) are provided with arc control device flange (8), two capacitance plate groups (5) are embedded the position around two arc control device flanges (8) in sleeve pipe insulation core body (4) two ends respectively, each capacitance plate in each capacitance plate group (5) is all around an arc control device flange (8) of correspondence, multiple capacitance plates of each capacitance plate group (5) become steps skew to arrange from one end of sleeve pipe insulation core body (4) toward the middle part being provided with vacuum interrupter (7) from inside to outside gradually vertically, Current Transformer Secondary coil (6) is enclosed within the position of pipe insulation core body (4) corresponding vacuum interrupter (7) outward, also overlap respectively at sleeve pipe insulation core body (4) two ends outward and have two full skirts (3) that insulate, be provided with isostatic pressing orchid (2) at the two ends of sleeve pipe insulation core body (4).
CN201520827654.1U 2015-10-23 2015-10-23 Take vacuum interrupter's multi -functional electric capacity jacket pipe Active CN205230929U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017067494A1 (en) * 2015-10-23 2017-04-27 北京瑞恒新源投资有限公司 Multifunctional capacitance type sleeve having vacuum arc-extinguishing chamber

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017067494A1 (en) * 2015-10-23 2017-04-27 北京瑞恒新源投资有限公司 Multifunctional capacitance type sleeve having vacuum arc-extinguishing chamber
CN106611680A (en) * 2015-10-23 2017-05-03 北京瑞恒新源投资有限公司 A multifunctional capacitance-type bushing with a vacuum arc-extinguishing chamber
CN106611680B (en) * 2015-10-23 2019-08-23 北京瑞恒新源投资有限公司 Multifunctional capacitor molded cannula with vacuum interrupter
US10453633B2 (en) 2015-10-23 2019-10-22 Beijing Ruiheng Xinyuan Investment Co., Ltd Multifunctional capacitive-type sleeve with vacuum arc-extinguishing chamber

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