CN106710956A - Outdoor vacuum circuit breaker - Google Patents

Outdoor vacuum circuit breaker Download PDF

Info

Publication number
CN106710956A
CN106710956A CN201510780576.9A CN201510780576A CN106710956A CN 106710956 A CN106710956 A CN 106710956A CN 201510780576 A CN201510780576 A CN 201510780576A CN 106710956 A CN106710956 A CN 106710956A
Authority
CN
China
Prior art keywords
casing
circuit breaker
vacuum circuit
isolation
insulating cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510780576.9A
Other languages
Chinese (zh)
Inventor
薛海忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China (tianjin) Electric Power Equipment Manufacturing Co
Original Assignee
China (tianjin) Electric Power Equipment Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China (tianjin) Electric Power Equipment Manufacturing Co filed Critical China (tianjin) Electric Power Equipment Manufacturing Co
Priority to CN201510780576.9A priority Critical patent/CN106710956A/en
Publication of CN106710956A publication Critical patent/CN106710956A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements

Landscapes

  • Gas-Insulated Switchgears (AREA)

Abstract

The invention relates to an outdoor vacuum circuit breaker. The outdoor vacuum circuit breaker comprises a casing, wherein one side of the casing is provided with a closing and opening indicating device, an opening handle and a wiring plug, wherein the casing is internally provided with a permanent magnetic operation mechanism, an isolation main shaft stretches out of the casing and is connected with an operation handle, an upper end of the casing is provided with three circuit breakers with equal preset intervals, upper ends of the circuit breakers are respectively provided with outgoing end wiring boards, the circuit breakers are respectively connected with an isolation blade, the other ends of the isolation blades are connected with insulators and are connected with incoming end wiring boards, the isolation blades are connected with insulation pull rods, an outer side of an insulator is provided with a current transformer, the circuit breakers comprise upper insulation cylinders and lower insulation cylinders, and the upper insulation cylinders and the lower insulation cylinders are connected through soft connection mechanisms. The outdoor vacuum circuit breaker is advantaged in that holding force is provided through the permanent magnetic operation mechanism to make the switch stay at the closing and opening position, use frequency of mechanical parts is reduced, a mechanical driving chain is short, and switch reliability and mechanical service life are improved.

Description

A kind of outdoor vacuum circuit breaker
Technical field
The invention belongs to breaker technical field, and in particular to a kind of outdoor vacuum circuit breaker.
Background technology
Outdoor high-voltage vacuum vacuum circuit breaker, is rated voltage 24KV, 50HZ AC three-phase Control protection equipment in high voltage distribution network.It is mainly used in the load electricity for breaking, closing in power circuit Stream, overload current and short circuit current, it is adaptable to protected in transformer station and industrial and mining enterprises' distribution system It is used with control.Recently, with the continuous expansion and the swift and violent increasing of power load of China's urban distribution network It is long, at the same for rural power grids supply line head, line loss is big the characteristics of, original 10kV voltages Grade distribution has been difficult to meet power reguirements, gradually exposes that its power supply distance is excessive, line loss per unit High, quality of voltage such as is difficult to meet the requirements the weakness.And powered with increasing using 20kV voltage class Plus power supply capacity, guarantee quality of voltage, the electric energy loss of reduction power network, the construction cost of saving power network Etc. a series of advantages.So it is the inexorable trend of development to be powered using 20kV voltage distribution grades, It is imperative.But existing outdoor vacuum circuit breaker operating mechanism is complicated, it is impossible to meet circuit It is required that.
The content of the invention
A kind of outdoor vacuum circuit breaker is provided it is an object of the invention to solve above-mentioned technical problem.
To achieve the above object, the present invention is adopted the following technical scheme that:
A kind of outdoor vacuum circuit breaker, including rectangular-shaped casing, the casing side are provided with division and refer to Showing device, separating brake handle, connection plug, are provided with permanent-magnet operating mechanism in the casing, isolation main shaft is stretched Go out outside the casing and attended operation handle, the default identical distance in upper end interval of the casing is provided with three Individual breaker, the breaker upper end is respectively equipped with leading-out terminal terminal plate, and the breaker connects one respectively Individual isolation blade, the other end connecting insulator of the isolation blade, and end of incoming cables terminal plate is connected, institute Isolation blade connection insulated tension pole is stated, current transformer is provided with the outside of the insulator;The breaker It is divided into upper portion insulating cylinder and bottom insulating cylinder two parts, described upper portion insulating cylinder passes through with bottom insulating cylinder Flexible connection mechanism is connected, and arc-chutes are provided with the upper portion insulating cylinder of the breaker.
The center spacing of three breakers is 340mm.
The lower end both sides of the casing are provided with the installing plate with bolt hole.
By including rectangular-shaped casing, the casing side is provided with point outdoor vacuum circuit breaker of the present invention Instruction device, separating brake handle, connection plug are closed, permanent-magnet operating mechanism, isolation master are provided with the casing Shaft extension goes out outside the casing and attended operation handle, and the default identical distance in upper end interval of the casing sets There are three breakers, the breaker upper end is respectively equipped with leading-out terminal terminal plate, and the breaker connects respectively An isolation blade, the other end connecting insulator of the isolation blade are connect, and connect end of incoming cables terminal plate, The isolation blade connection insulated tension pole, current transformer is provided with the outside of the insulator;The open circuit Device is divided into upper portion insulating cylinder and bottom insulating cylinder two parts, and described upper portion insulating cylinder leads to bottom insulating cylinder Cross flexible connection mechanism to be connected, be provided with arc-chutes in the upper portion insulating cylinder of the breaker so that structure is more For compact, and indicate display obvious, confining force is provided especially by permanent-magnet operating mechanism, protect switch Hold in folding position, reduce the use of mechanical part, mechanical drive train is short, substantially increases switch Reliability and mechanical life.
Brief description of the drawings
Fig. 1 is the schematic front view of outdoor vacuum circuit breaker provided in an embodiment of the present invention;
Fig. 2 show the schematic side view of outdoor vacuum circuit breaker provided in an embodiment of the present invention
In figure:1 is operation handle, and 2 is isolation main shaft, and 3 is separating brake handle, and 4 is division instruction device, 5 is connection plug, and 6 is current transformer, and 7 is insulator, and 8 is isolating frame, and 9 is insulated tension pole, 10 to carry out line end terminal plate, and 11 is isolation blade, and 12 is trip line end terminal plate, and 13 is breaker.
Specific embodiment
Below, substantive distinguishing features of the invention and advantage are further described with reference to example, but this hair It is bright to be not limited to listed embodiment.
It is shown in Figure 1, a kind of outdoor vacuum circuit breaker, including rectangular-shaped casing, the casing Side is provided with division instruction device 4, separating brake handle 3, connection plug 5, and permanent magnetism behaviour is provided with the casing Make mechanism, isolation main shaft 2 is stretched out outside the casing and attended operation handle 1, between the upper end of the casing Three breakers 13 are provided with every default identical distance, the breaker upper end is respectively equipped with outlet terminated line Plate 12, the breaker connects an isolation blade 11, the other end connection of the isolation blade respectively Insulator 7, and end of incoming cables terminal plate 10 is connected, the isolation blade connection insulated tension pole 9 is described exhausted The outside of edge is provided with current transformer 7;Bottom is provided with isolating frame between the breaker and insulator 8, the breaker is divided into upper portion insulating cylinder and two parts of bottom insulating cylinder, described upper portion insulating cylinder It is connected together by flexible connection mechanism with bottom insulating cylinder, wherein, it is exhausted on the top of the breaker Arc-chutes are provided with edge cylinder.
Wherein, the center spacing of three breakers is 340mm.
Specifically, the lower end both sides of the casing are provided with the installing plate with bolt hole.
Outdoor high-voltage alternating-current vacuum breaker of the present invention be three-phase alternating current 50Hz, rated voltage be 24kV Outdoor switch device, it is adaptable to the various loads of different nature of folding and frequent operation occasion, fit For the power equipment construction and transformation of city net, rural power grids, mine and railway etc..
The insulation of this breaker is reliable, and electric life is long, non-maintaining, is particularly well-suited to wanting for frequent operation place Ask, more preferably installed and used when maintenance, the ability of maintenance not strong rural power grids, also can dividing as power network Duan Kaiguan, after installing controller additional, is capable of achieving distribution automation.
The present invention be adapted to China's national situation outdoor high voltage switchgear, with miniaturization, it is non-maintaining, Intelligent the features such as.The product is pollution-free to surrounding environment simultaneously, is Green Product.
Outdoor vacuum circuit breaker of the present invention is by the way that including rectangular-shaped casing, the casing side is provided with division Instruction device, separating brake handle, connection plug, are provided with permanent-magnet operating mechanism in the casing, isolate main shaft Stretch out outside the casing and attended operation handle, the default identical distance in upper end interval of the casing is provided with Three breakers, the breaker upper end is respectively equipped with leading-out terminal terminal plate, and the breaker is connected respectively One isolation blade, the other end connecting insulator of the isolation blade, and end of incoming cables terminal plate is connected, The isolation blade connection insulated tension pole, current transformer is provided with the outside of the insulator;The open circuit Device is divided into upper portion insulating cylinder and bottom insulating cylinder two parts, and described upper portion insulating cylinder leads to bottom insulating cylinder Cross flexible connection mechanism to be connected, be provided with arc-chutes in the upper portion insulating cylinder of the breaker so that structure is more For compact, and indicate display obvious, confining force is provided especially by permanent-magnet operating mechanism, protect switch Hold in folding position, reduce the use of mechanical part, mechanical drive train is short, substantially increases switch Reliability and mechanical life.
The above is only the preferred embodiment of the present invention, it is noted that general for the art For logical technical staff, under the premise without departing from the principles of the invention, some improvement and profit can also be made Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (3)

1. a kind of outdoor vacuum circuit breaker, it is characterised in that including rectangular-shaped casing, the casing Side is provided with division instruction device, separating brake handle, connection plug, and permanent magnet operating machine is provided with the casing Structure, isolation main shaft is stretched out outside the casing and attended operation handle, the default phase in upper end interval of the casing Same distance is provided with three breakers, and the breaker upper end is respectively equipped with leading-out terminal terminal plate, described disconnected Road device connect respectively one isolation blade, the other end connecting insulator of the isolation blade, and connect into Line end terminal plate, the isolation blade connects insulated tension pole, and Current Mutual Inductance is provided with the outside of the insulator Device;The breaker is divided into upper portion insulating cylinder and bottom insulating cylinder two parts, described upper portion insulating cylinder with Bottom insulating cylinder is connected by flexible connection mechanism, and arc extinguishing is provided with the upper portion insulating cylinder of the breaker Room.
2. outdoor vacuum circuit breaker according to claim 1, it is characterised in that three open circuits The center spacing of device is 340mm.
3. outdoor vacuum circuit breaker according to claim 2, it is characterised in that under the casing End both sides are provided with the installing plate with bolt hole.
CN201510780576.9A 2015-11-13 2015-11-13 Outdoor vacuum circuit breaker Pending CN106710956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510780576.9A CN106710956A (en) 2015-11-13 2015-11-13 Outdoor vacuum circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510780576.9A CN106710956A (en) 2015-11-13 2015-11-13 Outdoor vacuum circuit breaker

Publications (1)

Publication Number Publication Date
CN106710956A true CN106710956A (en) 2017-05-24

Family

ID=58930712

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510780576.9A Pending CN106710956A (en) 2015-11-13 2015-11-13 Outdoor vacuum circuit breaker

Country Status (1)

Country Link
CN (1) CN106710956A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118553573A (en) * 2024-07-26 2024-08-27 数邦电力科技有限公司 Power protection device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203277209U (en) * 2013-05-25 2013-11-06 浙江伏尔特电器有限公司 Outdoor vacuum circuit breaker
CN204242927U (en) * 2014-10-22 2015-04-01 河南省三禾电气有限公司 A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker
CN204577316U (en) * 2015-05-15 2015-08-19 浙江鑫茂电力科技有限公司 A kind of outdoor intelligent vacuum circuit breaker of measurement and relay protection one
CN205248174U (en) * 2015-11-13 2016-05-18 中豪(天津)电力科技股份有限公司 Outdoor vacuum circuit breaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203277209U (en) * 2013-05-25 2013-11-06 浙江伏尔特电器有限公司 Outdoor vacuum circuit breaker
CN204242927U (en) * 2014-10-22 2015-04-01 河南省三禾电气有限公司 A kind of outdoor vacuum permanent magnet type vacuum circuit-breaker
CN204577316U (en) * 2015-05-15 2015-08-19 浙江鑫茂电力科技有限公司 A kind of outdoor intelligent vacuum circuit breaker of measurement and relay protection one
CN205248174U (en) * 2015-11-13 2016-05-18 中豪(天津)电力科技股份有限公司 Outdoor vacuum circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118553573A (en) * 2024-07-26 2024-08-27 数邦电力科技有限公司 Power protection device

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PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170524

WD01 Invention patent application deemed withdrawn after publication