CN202616129U - Sulphur hexafluoride circuit breaker - Google Patents
Sulphur hexafluoride circuit breaker Download PDFInfo
- Publication number
- CN202616129U CN202616129U CN2012202049644U CN201220204964U CN202616129U CN 202616129 U CN202616129 U CN 202616129U CN 2012202049644 U CN2012202049644 U CN 2012202049644U CN 201220204964 U CN201220204964 U CN 201220204964U CN 202616129 U CN202616129 U CN 202616129U
- Authority
- CN
- China
- Prior art keywords
- control device
- arc control
- arc
- transmission pole
- cavity
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/022—Details particular to three-phase circuit breakers
- H01H2033/024—Details particular to three-phase circuit breakers with a triangular setup of circuit breakers
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a sulphur hexafluoride circuit breaker, comprising an arc-extinguishing chamber accommodating cavity, and a mechanism box located below the arc-extinguishing chamber accommodating cavity, wherein the arc-extinguishing chamber accommodating cavity comprises an accommodating cavity body formed by a housing; three phases of arc-extinguishing chambers are arranged in the accommodating cavity body, wherein the three phases of arc-extinguishing chambers are triangularly arrayed in the accommodating cavity body; the movable contact rod of each arc-extinguishing chamber is connected with a transmission rod which extends from the mechanism box and penetrates in the arc-extinguishing chamber via a connection rod; and the transmission rod is driven by a mechanism output shaft, so as to drive the connection rod and the movable contact rods of the arc-extinguishing chambers to move up and down.
Description
[technical field]
The utility model is about high pressure and ehv power transmission switchgear field, particularly about the sulfur hexafluoride breaker field.
[background technology]
Sulfur hexafluoride breaker is used at high pressure and ehv power transmission system break road device widely; But, society increases the competitiveness of high-tension apparatus along with constantly developing and reduce cost; The inevitable requirement high-tension apparatus is towards the low-cost development of miniaturization; This technological innovation is under this requires, and the change design reduces the operating mechanism power output.
See also shown in Figure 1ly, it shows the structural representation of existing circuit breaker, and as shown in Figure 1, existing circuit breaker mainly comprises: mechanism's force-output shaft 11, transmission pole 12, device interior conversion force-output shaft 13, device interior transmission pole 14 and arc control device 15.Existing circuit breaker is by 11 rotations of mechanism's output work lead agency force-output shaft; Mechanism's force-output shaft 11 drives transmission pole 12 motions; Transmission pole 12 moves up and down, and drive device interior conversion force-output shaft 13 moves, wherein device interior conversion force-output shaft 13 is a connecting lever with two support arms, and transmission pole 14 drives one of them support arm; Driving whole connecting lever rotates around fulcrum; Another support arm then is connected with device interior transmission pole 14 and drives 14 motions of device interior transmission pole, and device interior transmission pole 14 drives arc control device 15 again and moves up and down, and plays high-tension apparatus and cut-offs the effect that close arc extinguishing function and pass.
The needed merit of the divide-shut brake of existing this circuit breaker has external manipulation mechanism to provide, but wherein in transmission energy lossy, therefore be necessary existing circuit breaker is improved.
[utility model content]
The purpose of the utility model is to provide a kind of circuit breaker that can reduce the loss of operating work energy.
For reaching aforementioned purpose; A kind of sulfur hexafluoride breaker of the utility model; The mechanism case that it comprises the arc control device host cavity and is positioned at arc control device host cavity below, wherein the arc control device host cavity comprises by what shell formed and accommodates cavity, in accommodating cavity, is provided with the three-phase arc control device; Wherein the three-phase arc control device are triangularly arranged said accommodating in the cavity; The movable feeler lever of each arc control device is connected with the transmission pole that extends from mechanism case and run through into arc control device through connecting rod, and transmission pole is by drive mechanism, and the movable feeler lever that drives connecting rod and arc control device moves up and down.
According to an embodiment of the utility model, the movable feeler lever of said arc control device and connecting rod are positioned at the cavity of accommodating arc control device, and said transmission pole one end is positioned at the cavity of accommodating arc control device, and the other end is positioned at mechanism case.
According to an embodiment of the utility model, around the penetrating via of the above transmission pole of mechanism case, be provided with sealing device.
According to an embodiment of the utility model, said connecting rod is that an end is vertical with the arc control device movable feeler lever, the straight-bar that the other end is vertical with transmission pole.
The circuit breaker of the utility model adopts the connecting rod of straight-bar to drive arc control device; Reduced the center roller switching energy device in the existing circuit breaker; Reduce wherein unnecessary transmission consumed work; Thereby just can reduce the operating mechanism power output, can reduce on the basis of original operating mechanism power output and be about 5%.And the mode of the three-phase arc control device of the utility model employing rounded projections arranged, can save the space, help the miniaturization of breaker structure.
[description of drawings]
Fig. 1 is the structural representation of existing circuit breaker.
Fig. 2 is the part-structure cutaway view of the circuit breaker of the utility model.
Fig. 3 is the plan structure figure of arc control device of the circuit breaker of the utility model.
Fig. 4 is the structural representation of the circuit breaker of the utility model.
[embodiment]
Below in conjunction with accompanying drawing the utility model is done further explain.
Alleged here " embodiment " or " embodiment " are meant special characteristic, structure or the characteristic that can comprise at least one implementation of the utility model.Different in this manual local " in one embodiment " that occur not are all to refer to same embodiment, neither be independent or optionally mutually exclusive with other embodiment embodiment.
See also shown in Figure 2ly, it shows the part-structure cutaway view of the circuit breaker of the utility model.Because the main contents of the utility model relate to the transmission mechanism of circuit breaker, so the part-structure of the upper end of the circuit breaker shown in the figure does not illustrate fully.As shown in Figure 3, the circuit breaker of the utility model it comprise the arc control device host cavity 21 of upper end and the mechanism case 22 of lower end.
Please combine Fig. 2 and shown in Figure 3; The arc control device host cavity 21 of the circuit breaker of the utility model comprises by what shell formed accommodates cavity 211; In accommodating cavity 211, be provided with three-phase arc control device 212; As shown in Figure 2, overlook the arc control device 212 of said three-phase positional alignment triangular in shape in host cavity 21 from the top.With respect to the mode that the three-phase arc control device are arranged side by side in same chamber, the rounded projections arranged mode of the utility model more can be saved the space, helps the miniaturization of breaker structure.
Please continue to consult shown in Figure 2, the driving arc control device of the circuit breaker of the utility model close a floodgate and the transmission mechanism that breaks off comprises movable feeler lever 23, connecting rod 24, transmission pole 25 and driving mechanism 26 etc.
Wherein movable feeler lever 23 is positioned at the cavity 21 of accommodating arc control device 212 with connecting rod 24, and an end of transmission pole 25 is positioned at arc control device host cavity 21, and the other end is positioned at mechanism case 22.
Wherein an end of movable feeler lever 23 links to each other with the moving contact of arc control device 212, and the other end of movable feeler lever 23 is connected with an end of connecting rod 24.The other end of connecting rod 24 is connected with an end of transmission pole 25.Wherein connecting rod 24 is an end and the movable feeler lever 23 vertical other end and transmission pole 25 straight-bars connected vertically of being connected.The other end of transmission pole 25 links to each other with mechanism case 22 interior driving mechanisms 26, actuating force is provided for driving mechanism 26 by external manipulation mechanism (not shown).Wherein on mechanism case 22, the passage that transmission pole 25 passes the mechanism case place is provided with hermetically-sealed construction 27.Specify no longer one by one about mechanism case 22 inner concrete detailed structure the utility model.
During work; Driving mechanism 26 in the external manipulation mechanism driving mechanism case; Driving mechanism 26 drives transmission pole 25 and moves up and down, and transmission pole 25 moves up and down, and drives connecting rod 24 and vertically moves up and down; Connecting rod 24 takes movable feeler lever 23 to and moves up and down, and movable feeler lever 23 drives the combined floodgate and the shutoff of the moving contact realization circuit breaker of arc control device.
See also Fig. 2 and combine shown in Figure 4; The circuit breaker of the utility model, wherein transmission pole 25 and 24 vertical connections of connecting rod, connecting rod 24 and 23 vertical connections of movable feeler lever; External force drives transmission pole 25 and moves up and down; The connecting rod 24 direct movable feeler levers 23 that drive through straight-bar move up and down, and have reduced the center roller switching energy device (connecting lever that promptly has two support arms) of the rotation in the existing circuit breaker, reduce wherein unnecessary transmission consumed work; Thereby just can reduce the operating mechanism power output, can reduce on the basis of original operating mechanism power output and be about 5%.
Above-mentioned explanation has fully disclosed the embodiment of the utility model.It is pointed out that any change that the technical staff that is familiar with this field does the embodiment of the utility model does not all break away from the scope of claims of the utility model.Correspondingly, the scope of the claim of the utility model also is not limited only to previous embodiment.
Claims (4)
1. sulfur hexafluoride breaker; It comprises the arc control device host cavity and is positioned at the mechanism case of arc control device host cavity below; Wherein the arc control device host cavity comprises by what shell formed and accommodates cavity; In accommodating cavity, be provided with the three-phase arc control device, wherein the three-phase arc control device are triangularly arranged said accommodating in the cavity, and the movable feeler lever of each arc control device is connected with the transmission pole that extends from mechanism case and run through into arc control device through connecting rod; Transmission pole is by drive mechanism, and the movable feeler lever that drives connecting rod and arc control device moves up and down.
2. sulfur hexafluoride breaker as claimed in claim 1 is characterized in that: the movable feeler lever of said arc control device and connecting rod are positioned at the cavity of accommodating arc control device, and said transmission pole one end is positioned at the cavity of accommodating arc control device, and the other end is positioned at mechanism case.
3. sulfur hexafluoride breaker as claimed in claim 1 is characterized in that: around the penetrating via of the above transmission pole of mechanism case, be provided with sealing device.
4. sulfur hexafluoride breaker as claimed in claim 1 is characterized in that: said connecting rod is that an end is vertical with the arc control device movable feeler lever, the straight-bar that the other end is vertical with transmission pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202049644U CN202616129U (en) | 2012-05-08 | 2012-05-08 | Sulphur hexafluoride circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202049644U CN202616129U (en) | 2012-05-08 | 2012-05-08 | Sulphur hexafluoride circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202616129U true CN202616129U (en) | 2012-12-19 |
Family
ID=47349803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202049644U Expired - Fee Related CN202616129U (en) | 2012-05-08 | 2012-05-08 | Sulphur hexafluoride circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202616129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646544A (en) * | 2012-05-08 | 2012-08-22 | 无锡恒驰电器制造有限公司 | Sulfur hexafluoride breaker |
-
2012
- 2012-05-08 CN CN2012202049644U patent/CN202616129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646544A (en) * | 2012-05-08 | 2012-08-22 | 无锡恒驰电器制造有限公司 | Sulfur hexafluoride breaker |
| CN102646544B (en) * | 2012-05-08 | 2015-11-25 | 江苏南瑞恒驰电气装备有限公司 | Sulfur hexafluoride breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20150508 |
|
| EXPY | Termination of patent right or utility model |