CN207038427U - One kind can survey vacuum vacuum circuit breaker - Google Patents
One kind can survey vacuum vacuum circuit breaker Download PDFInfo
- Publication number
- CN207038427U CN207038427U CN201720650216.1U CN201720650216U CN207038427U CN 207038427 U CN207038427 U CN 207038427U CN 201720650216 U CN201720650216 U CN 201720650216U CN 207038427 U CN207038427 U CN 207038427U
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- vacuum
- vacuum interrupter
- pole
- spring
- circuit breaker
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Abstract
The utility model discloses one kind can survey vacuum vacuum circuit breaker, including vacuum interrupter and spring action mechanism box, outlet terminal is installed on the upside of the vacuum interrupter, pole is installed at left and right sides of the vacuum interrupter, pole is installed at the left side lower surface of the pole, the lower right side of the pole, which is provided with, to be flexible coupling, the downside being flexible coupling is provided with touch spring close to the middle position of vacuum interrupter, and the downside middle position of the touch spring is provided with insulated tension pole；It is safe and convenient to use, noise is small during operation, the arc extinguishing in the container of sealing, and electric arc and hot gases are not exposed, due to oil-free, therefore the danger without fire and blast combustion fire, detection vacuum plant is carried, the air pressure of vacuum chamber can be monitored, the reliability of vacuum chamber is ensured, when can ensure breaker closing short trouble, accident does not occur for energy precision maneuver, can avoid the scope of expansion accident.
Description
Technical field
The utility model belongs to power switch technical field, and in particular to one kind can survey vacuum vacuum circuit breaker.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can closed, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is divided into primary cut-out by its use range
With low-voltage circuit breaker, high-low pressure identification of boundaries is relatively fuzzyyer, and more than 3kV typically is referred to as into High-Voltage Electrical Appliances.Breaker can be used to
Electric energy is distributed, infrequently starts asynchronous motor, the implementations such as power circuit and motor are protected, when they occur seriously
When overload or the failure such as short-circuit and under-voltage can automatic shutdown circuit, its function is equivalent to Fuse switch with crossing underheat relay
The combination of device etc..And it is latter in disjunction fault current as need not change parts.At present, obtained a wide range of applications.
Vacuum circuit breaker arc extinguishing is reliable but is not easy to monitor vacuum in operation, causes arc quenching effect poor, influences equipment
Performance.
The content of the invention
The purpose of this utility model is that vacuum vacuum circuit breaker can be surveyed by providing one kind, to solve in above-mentioned background technology
The vacuum circuit breaker arc extinguishing of proposition is reliable but is not easy to monitor vacuum in operation, causes arc quenching effect poor, influences equipment
Can problem.
To achieve the above object, the utility model provides following technical scheme：One kind can survey vacuum vacuum circuit breaker, bag
Vacuum interrupter and spring action mechanism box are included, the upper left side of the vacuum interrupter is provided with outlet terminal, the vacuum
Pole is installed on the outside of arc-chutes, pole is installed at the left side lower surface of the pole, the lower right side of the pole is set
Have and be flexible coupling, the downside being flexible coupling is provided with touch spring, the contact bullet close to the middle position of vacuum interrupter
The downside middle position of spring is provided with insulated tension pole, and the lower end of the insulated tension pole is close to the right side lower end position of vacuum interrupter
The place of putting is provided with both arms pull bar, and spring action mechanism box is arranged on the right side of vacuum interrupter, the downside of the drive shaft
Drive shaft is installed at the right positions of both arms pull bar, the upside of the drive shaft is close to the centre of spring action mechanism box
Opening position is provided with trip gear, and the upside middle position of the vacuum interrupter is provided with upper contact head, the vacuum extinction
The upper inside surface of room is provided with sealing ring close to the opening position of upper contact head, and the downside middle position of the vacuum interrupter is set
Lower contact is equipped with, the right side of the vacuum interrupter is provided with pressure valve, the right side of the pressure valve on the right side of upper contact head
Piston push rod is provided with, piston spring is provided with the left of the piston push rod, pressure is provided with the right side of the piston push rod
Instrument, separation layer is provided between vacuum interrupter and spring action the mechanism box.
Preferably, linked between the insulated tension pole and tripping spring by axis of rotation.
Preferably, it is slidably connected between the upper contact head and vacuum interrupter, between the lower contact and vacuum interrupter
It is slidably connected.
Preferably, sealing links between the vacuum interrupter and sealing ring.
Preferably, connected between the piston push rod and vacuum interrupter by spring slide.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
Convenient, noise is small during operation, and the arc extinguishing in the container of sealing, electric arc and hot gases are not exposed, due to oil-free, therefore without fire and
The danger of blast combustion fire, carries detection vacuum plant, can monitor the air pressure of vacuum chamber, ensured the reliability of vacuum chamber,
When can ensure breaker closing short trouble, accident does not occur for energy precision maneuver, can avoid the scope of expansion accident.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of vacuum chamber of the present utility model；
In figure：The upper outlet terminals of 1-, 2- vacuum interrupters, 3- poles, 4- lower wire ends, 5- are flexible coupling, 6- contact bullets
Spring, 7- insulated tension poles, 8- tripping springs, 9- both arms pull bar, 10- drive shafts, 11- trip gears, 12- spring actions mechanism box,
Contact under 13- sealing rings, 14- upper contact heads, 15-, 16- piston springs, 17- piston push rods, 18- manometers, 19- pressure valves,
20- separation layers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of technical scheme：One kind can survey vacuum vacuum circuit breaker, bag
Vacuum interrupter 2 and spring action mechanism box 12 are included, the upper left side of vacuum interrupter 2 is provided with outlet terminal 1, vacuum extinction
The outside of room 2 is provided with pole 3, and pole 4 is provided with the left side lower surface of pole 3, and the lower right side of pole 4, which is provided with, to be flexible coupling
5,5 downside of being flexible coupling is provided with touch spring 6 close to the middle position of vacuum interrupter 2, among the downside of touch spring 6
Opening position is provided with insulated tension pole 7, and the lower end of insulated tension pole 7 is provided with double at the right side lower end position of vacuum interrupter 2
Arm brace 9, spring action mechanism box 12 are arranged on the right side of vacuum interrupter 2, and the downside of drive shaft 10 is close to both arms pull bar 9
Drive shaft 10 is installed, the upside of drive shaft 10 is provided with close to the middle position of spring action mechanism box 12 at right positions
Trip gear 11, the upside middle position of vacuum interrupter 2 are provided with upper contact head 14, the upper inside surface of vacuum interrupter 2
Opening position close to upper contact head 14 is provided with sealing ring 13, and the downside middle position of vacuum interrupter 2 is provided with lower contact 15,
The right side of vacuum interrupter 2 is provided with pressure valve 19 close to the right side of upper contact head 14, and the right side of pressure valve 19 is provided with piston and pushed away
Bar 17, the left side of piston push rod 17 are provided with piston spring 16, and the right side of piston push rod 17 is provided with manometer 18, and vacuum is gone out
Separation layer 20 is provided between arc chamber 2 and spring action mechanism box 12.
In order that control of the spring action mechanism box to contact is obtained, in the present embodiment, it is preferred that insulated tension pole 7 and separating brake
Linked between spring 8 by axis of rotation.
In order that the accuracy of two contact actions up and down is obtained, in the present embodiment, it is preferred that upper contact head 14 and vacuum interrupter
It is slidably connected between 2, is slidably connected between lower contact 15 and vacuum interrupter 2.
In order that the air-tightness of vacuum chamber must be ensured, in the present embodiment, it is preferred that vacuum interrupter 2 and sealing ring 13 it
Between seal link.
In order that the pressure of vacuum chamber must be reflected, in the present embodiment, it is preferred that piston push rod 17 and vacuum interrupter 2
Between connected by spring slide.
Vacuum interrupter 2 in the utility model is the core component of mesohigh power switch, and its main function is to pass through
The excellent insulating properties of vacuum makes after mesohigh circuitry cuts power supply that rapid blow-out and electric current can be suppressed in pipe, avoids accident and accident
Generation.
Operation principle and process for using of the present utility model：After the utility model installs, accessed by upper outlet terminal 1
Circuit, lower wire end 4 pick out line terminal, and the piston of upper right side is extruded by external pressure in vacuum interrupter 2, by living
Spring 16 is filled in toward extrapolation, ensures stress balance, the side of manometer 18 measures pressure, embodies the pressure value in vacuum chamber indirectly.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. one kind can survey vacuum vacuum circuit breaker, including vacuum interrupter（2）With spring action mechanism box（12）, its feature exists
In：The vacuum interrupter（2）Upper left side outlet terminal is installed（1）, the vacuum interrupter（2）Outside be provided with
Pole（3）, the pole（3）Left side lower surface at pole is installed（4）, the pole（4）Lower right side be provided with soft company
Connect（5）, it is described to be flexible coupling（5）Downside close to vacuum interrupter（2）Middle position touch spring is installed（6）, it is described
Touch spring（6）Downside middle position insulated tension pole is installed（7）, the insulated tension pole（7）Lower end gone out close to vacuum
Arc chamber（2）Right side lower end position at be provided with both arms pull bar（9）, spring action mechanism box（12）Installed in vacuum extinction
Room（2）Right side, drive shaft（10）Downside close to both arms pull bar（9）Right positions at drive shaft is installed（10）, driving
Axle（10）Upside close to spring action mechanism box（12）Middle position trip gear is installed（11）, the vacuum extinction
Room（2）Upside middle position upper contact head is installed（14）, the vacuum interrupter（2）Upper inside surface close to upper contact head
（14）Opening position be provided with sealing ring（13）, the vacuum interrupter（2）Downside middle position be provided with lower contact
（15）, the vacuum interrupter（2）Right side close to upper contact head（14）Right side be provided with pressure valve（19）, the pressure valve
（19）Right side be provided with piston push rod（17）, the piston push rod（17）Left side be provided with piston spring（16）, the work
Fill in push rod（17）Right side be provided with manometer（18）, the vacuum interrupter（2）With spring action mechanism box（12）Between
It is provided with separation layer（20）.
2. one kind according to claim 1 can survey vacuum vacuum circuit breaker, it is characterised in that：The insulated tension pole（7）
With tripping spring（8）Between linked by axis of rotation.
3. one kind according to claim 1 can survey vacuum vacuum circuit breaker, it is characterised in that：The upper contact head（14）With
Vacuum interrupter（2）Between be slidably connected, the lower contact（15）With vacuum interrupter（2）Between be slidably connected.
4. one kind according to claim 1 can survey vacuum vacuum circuit breaker, it is characterised in that：The vacuum interrupter
（2）With sealing ring（13）Between seal link.
5. one kind according to claim 1 can survey vacuum vacuum circuit breaker, it is characterised in that：The piston push rod（17）
With vacuum interrupter（2）Between connected by spring slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650216.1U CN207038427U (en) | 2017-06-06 | 2017-06-06 | One kind can survey vacuum vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650216.1U CN207038427U (en) | 2017-06-06 | 2017-06-06 | One kind can survey vacuum vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038427U true CN207038427U (en) | 2018-02-23 |
Family
ID=61471050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720650216.1U Active CN207038427U (en) | 2017-06-06 | 2017-06-06 | One kind can survey vacuum vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170640A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | One kind can survey vacuum vacuum circuit breaker |
| CN108711533A (en) * | 2018-05-04 | 2018-10-26 | 卓维电力科技有限公司 | One kind can lock vacuum circuit breaker |
-
2017
- 2017-06-06 CN CN201720650216.1U patent/CN207038427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170640A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | One kind can survey vacuum vacuum circuit breaker |
| CN108711533A (en) * | 2018-05-04 | 2018-10-26 | 卓维电力科技有限公司 | One kind can lock vacuum circuit breaker |
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| GR01 | Patent grant |