CN109192597A - Breaker and its double acting transmission device - Google Patents
Breaker and its double acting transmission device Download PDFInfo
- Publication number
- CN109192597A CN109192597A CN201811182552.3A CN201811182552A CN109192597A CN 109192597 A CN109192597 A CN 109192597A CN 201811182552 A CN201811182552 A CN 201811182552A CN 109192597 A CN109192597 A CN 109192597A
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- CN
- China
- Prior art keywords
- connecting plate
- double acting
- transmission device
- pilot hole
- rotational pin
- Prior art date
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Classifications
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- 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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
Abstract
The invention discloses a kind of breaker and its double acting transmission devices, wherein the double acting transmission device of breaker includes connecting rod, connecting plate and connecting plate transmission component, connecting plate transmission component includes the first connecting plate and second connecting plate hinged with the first connecting plate, one end on first connecting plate far from the second connecting plate is hinged by the first rotational pin and connecting rod, one end on second connecting plate far from the first connecting plate is hinged by the second rotational pin and slave end connector, and connecting plate is equipped with for the first mobile pilot hole of the first rotational pin and second pilot hole mobile for the second rotational pin.In double acting transmission device provided by the present application, since transmission component of winning in succession includes that the first connecting plate and second is won in succession, the length of the first connecting plate and the second connecting plate is adjusted according to transmission speed demand, so that transmission component movement velocity transmission of winning in succession is not by the effect of distance between slave end connector and master end connector, it can apply and realize and cut-off in voltage levels, the versatility of double acting transmission device improves.
Description
Technical field
The present invention relates to high-voltage switch gear transmission technical field, in particular to a kind of double acting transmission device of breaker.This hair
It is bright to further relate to a kind of breaker including above-mentioned double acting transmission device.
Background technique
Breaker is in power network line, realization power grid circuit closes and separated switching device, wherein double acting open circuit
Device can be moved in two parts of the contact contact of internal fracture, and in open-circuit operation, breaker fracture contact is led
Electricity composition is divided into main contact and arcing contact, and wherein main contact plays the role of logical rated current, when cut-offfing, main contact
It is first detached from, arcing contact does not depart from, and current channel is transferred on arcing contact from main contact, and and then arcing contact is detached from, and electric current is in arc
Contact forms electric arc when being detached from.
Traditional breaker includes master end connector, slave end connector and principal and subordinate side power is transferred to slave end company
The double acting transmission device of fitting position, wherein double acting transmission device includes the connecting rod being fixedly connected with master end connector and both ends
The connecting plate connecting respectively with connecting rod and slave end connector, wherein connecting rod and connecting plate are hinged.
However, only realizing transmission by connecting plate since master end connects connector and slave end connector, master end connects
Fitting and slave end connector speed transmission are by winning in succession between upper two and connecting rod hinge point and slave end connector hinge joint
Effect of distance can not realize in voltage levels and cut-off that the versatility of double acting transmission device is poor.
Therefore, the versatility for how improving double acting transmission device is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of double acting transmission device of breaker, the versatility of the double acting transmission device is mentioned
It is high.It is a further object of the present invention to provide a kind of breakers including above-mentioned double acting transmission device.
To achieve the above object, the present invention provides a kind of double acting transmission device of breaker, including connecting rod, further includes connection
Plate and connecting plate transmission component, the connecting plate transmission component include the first connecting plate and second connecting plate hinged with first connecting plate,
One end on first connecting plate far from second connecting plate is hinged by the first rotational pin and the connecting rod, second connecting plate
Upper one end far from first connecting plate is hinged by the second rotational pin and the slave end connector, and the connecting plate is equipped with
For the first mobile pilot hole of first rotational pin and second pilot hole mobile for second rotational pin.
Preferably, the connecting plate transmission component further includes limition orientation part, and the limition orientation part and the connecting plate are solid
Fixed connection, first connecting plate are equipped with the guide chute that can be moved along the limition orientation part.
Preferably, second rotational pin is located at first connecting plate and the second connecting plate hinge joint and described first turn
Between dynamic pin.
Preferably, the connecting plate is equipped with the third pilot hole for accommodating the connecting rod, and the connecting rod can be along institute
State the sliding of third pilot hole.
Preferably, the connecting plate is equipped with the 4th pilot hole for accommodating slave end connector, the 4th guiding
Hole, first pilot hole, second pilot hole and the setting of third pilot hole centerline parallel
Preferably, the guide chute is vertical bar type sliding slot.
Preferably, the connecting plate transmission component is two, and two connecting plate transmission components are arranged in the connecting plate
Opposite sides, the connecting rod are two, and two connecting rods are corresponded with two first connecting plates.
Preferably, two limition orientation part coaxial-symmetricals are respectively in the opposite sides of the connecting plate.
Preferably, two limition orientation parts are distributed in the opposite sides of second pilot hole.
Preferably, the angle of the first connecting plate and the first pilot hole is a；
When the separating brake angle initial state a is less than 45 °, when separating brake described in from the first fortune in the same direction of moving arcing contact and master end connector
Counter motion after dynamic；
When the separating brake angle initial state a is greater than 45 °, when separating brake described in it is reversed simultaneously from moving arcing contact and master end connector
Movement.
Preferably, first connecting plate changes with the angle a during rotation, and first rotational pin reaches the transmission of X point and becomes
Than maximum, wherein X point is that first rotational pin is moved to apart from shaft in sliding rail apart from shortest position, and it is public to be driven no-load voltage ratio
Formula is the formula for being driven no-load voltage ratio are as follows:Wherein n is no-load voltage ratio, and L is the first connecting plate length, and S is limition orientation
Distance of the part to X point.
A kind of breaker, including slave end connector, master end connector and double acting transmission device, the double acting transmission dress
It is set to double acting transmission device described in any of the above embodiments.
In the above-mentioned technical solutions, the double acting transmission device of breaker provided by the invention, including connecting rod, connecting plate and company
Plate transmission component, connecting plate transmission component include the first connecting plate and second connecting plate hinged with the first connecting plate, separate on the first connecting plate
One end of second connecting plate is hinged by the first rotational pin and connecting rod, and one end on the second connecting plate far from the first connecting plate passes through second turn
Dynamic pin is hinged with slave end connector, and connecting plate is equipped with for the first mobile pilot hole of the first rotational pin and supplies the second rotational pin
The second mobile pilot hole.When assembling breaker, one end on connecting rod far from the first connecting plate is connect with master end connector, the
Two rotational pins are connect with slave end connector.
As can be seen from the above description, in double acting transmission device provided by the present application, since transmission component of winning in succession includes the
One connecting plate and second is won in succession, and the length of the first connecting plate and the second connecting plate is adjusted according to transmission speed demand, moves speed so that winning in succession
Degree transmission can apply not by the effect of distance between slave end connector and active connector and realize and open in voltage levels
Disconnected, the versatility of double acting transmission device improves.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of breaker provided by the embodiment of the present invention；
Fig. 2 is the installation site figure of double acting transmission device provided by the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of double acting transmission device provided by the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of connecting plate provided by the embodiment of the present invention；
Fig. 5 is the side view of connecting plate shown in Fig. 4；
Fig. 6 is the structural schematic diagram of another kind connecting plate provided by the embodiment of the present invention；
Fig. 7 is the side view of connecting plate shown in Fig. 6；
Fig. 8 is the structural schematic diagram of connecting rod provided by the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of slave end connector provided by the embodiment of the present invention；
Figure 10 is the structural schematic diagram of the first connecting plate provided by the embodiment of the present invention；
Figure 11 is the structural schematic diagram of the second connecting plate provided by the embodiment of the present invention；
Figure 12 is the structural schematic diagram of master end connector provided by the embodiment of the present invention；
Figure 13 is structural schematic diagram when the first rotational pin provided by the embodiment of the present invention is located at X point；
Figure 14 is the stroke curve figure of master end connector and slave end connector provided by the embodiment of the present invention.
Wherein in Fig. 1-13: the master end 1- connector, 11- transmission connection ring, 12- spout, 13- active arcing contact, 14- pressure
Cylinder, 15- piston rod
2- double acting transmission device, 21- connecting rod, 22- connecting plate, the first pilot hole of 221-, the second pilot hole of 222-, 223-
Three pilot holes, the 4th pilot hole of 224-, the first rotational pin of 23-, the first connecting plate of 24-, 241- guide chute, the second connecting plate of 25-,
The second rotational pin of 26-, 27- limition orientation part；
3- slave end connector, 31- guiding connection device, 32- contact base, 33- are from moving arcing contact.
Specific embodiment
Core of the invention is to provide a kind of double acting transmission device of breaker, and the versatility of the double acting transmission device mentions
It is high.Another core of the invention is to provide a kind of breaker including above-mentioned double acting transmission device.
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and embodiment party
The present invention is described in further detail for formula.
Fig. 1 to Figure 14 is please referred to, in a specific embodiment, pair for the breaker that the specific embodiment of the invention provides
Dynamic transmission device, including connecting rod 21, connecting plate 22 and connecting plate transmission component, connecting plate transmission component include the first connecting plate 24 and with the
The second hinged connecting plate 25 of one connecting plate 24, on the first connecting plate 24 one end far from the second connecting plate 25 by the first rotational pin 23 with even
Bar 21 is hinged, and one end on the second connecting plate 25 far from the first connecting plate 24 is hinged by the second rotational pin 26 and slave end connector 3,
Connecting plate 22 is equipped with for the first mobile pilot hole 221 of the first rotational pin 23 and second guiding mobile for the second rotational pin 26
Hole 222.
When assembling breaker, one end on connecting rod 21 far from the first connecting plate 24 is connect with master end connector 1, and second turn
Dynamic pin 26 is connect with slave end connector 3.
As can be seen from the above description, it in the double acting transmission device provided by the application specific embodiment, is passed due to winning in succession
Dynamic component includes that the first connecting plate 24 and second win 25 in succession, in practical work process, adjusts first according to transmission speed demand and connects
The length of plate 24 and the second connecting plate 25, so that transmission component movement velocity transmission of winning in succession is not by slave end connector 3 and master end
Effect of distance between connector 1 can be applied and realize and cut-off in voltage levels, and the versatility of double acting transmission device mentions
It is high.
On the other hand, overall structure is simple, easy to disassemble.
Preferably, connecting plate transmission component further includes limition orientation part 27, and limition orientation part 27 is fixedly connected with connecting plate 22,
First connecting plate 24 is equipped with can be along the guide chute 241 that limition orientation part 27 moves.Guide chute 241 can be arc groove,
For the ease of the movement of the first connecting plate 24, it is preferable that guide chute 241 is vertical bar shaped slot, and guide chute 241 is matched with limition orientation part 27
It closes, therefore, the first connecting plate 24 can not only be rotated around limition orientation part 27, but also can also be slided, for the ease of first
Connecting plate 24 moves, it is preferable that limition orientation part 27 is bearing.
For the ease of the first connecting plate 24 and the second effectively transmission of connecting plate 25, it is preferable that the second rotational pin 26 is located at the first connecting plate
Between 24 and 25 hinge joint of the second connecting plate and the first rotational pin 23.
In order to improve kinetic stability, it is preferable that connecting plate 22 is equipped with the third pilot hole 223 for accommodating connecting rod 21,
Connecting rod 21 can be slided along third pilot hole 223.The transmission connection ring 11 of master end connector 1 is connected by bolt and connecting rod 21
It connects, connecting rod 21 slides in the third pilot hole 223 in transmission bracket, the connecting plate pin hole of the pin hole of connecting rod 21 and the first connecting plate 24
With sliding pin connection.
Specifically, as shown in Figure 1, in separating brake initial position, when the tilt angle of the first connecting plate 24 and level is less than 45 degree
When, from counter motion after moving arcing contact 33 and the first movement in the same direction of active arcing contact 13, when the first connecting plate 24 and horizontal tilt angle
When greater than 45 degree, from moving arcing contact 33 and 13 counter motion of active arcing contact, the application master end connector 1 is connect with slave end
Part 3 is first the same as reversed backward.
When master end connector 1 carries out separating brake movement as starting point using position shown in Fig. 1 and Fig. 2, slave end is driven to connect
Fitting 3 moves together, and the track of separating brake movement is that the slave moving arcing contact 33 of slave end connector 3 and master end connector 1 move
Direction is consistent, and then master end connector 1 carries out rapidly the movement opposite with 1 direction of motion of master end connector, stroke curve
See Figure.
Preferably, connecting plate 22 is equipped with the 4th pilot hole 224 for accommodating slave end connector 3, the 4th pilot hole
224, the first pilot hole 221, the second pilot hole 222 and the setting of 223 centerline parallel of third pilot hole.In order to avoid overall structure
It is thicker, it is preferable that the first pilot hole 221, the second pilot hole 222, third pilot hole 223 and the 4th pilot hole 224 guiding centre
It is not overlapped, it is preferable that the first pilot hole 221, the second pilot hole 222, third pilot hole 223 and 224 center line of the 4th pilot hole are flat
Row setting, connecting plate 22 are rectangular configuration, facilitate whole slide.
Specifically, the first pilot hole 221 and the second pilot hole 222 can be sliding groove structure, it can also be through-hole structure.
When work, the first connecting plate 24 can be slided along limition orientation part 27, and therefore, the first connecting plate 24 has change master end
The ability of 3 lever no-load voltage ratio of connector 1 and slave end connector, can be realized the effect of default key position high-speed motion, and first
The master end connector 1 of the connection of connecting plate 24 moves along a straight line, and the fortune rotated around limition orientation part 27 occurs for the first connecting plate 24
It is dynamic, while sliding motion occurs for the distance according to limition orientation part 27 along the first connecting plate 24 to straight line, sliding motion is first
The constraint lower slider of the guide chute 241 of connecting plate 24.The master end connector 1 of connection moves along a straight line, and the straight line and first connects
The limition orientation part 27 that plate 24 surrounds has nearest spacing, and nearest spacing is named as X in the point of straight line.The company of first connecting plate 24 connection
The master end connector 1 of bar 21 moves along a straight line, movement move from initial position to X point, and pass through X point, be finally parked in X point it
Afterwards, in this process, the active side length (position in the first connecting plate 24 connection master end to limition orientation part of the first connecting plate 24
27 distance) it shortens with close to X point, and the driven side length (position of the first connecting plate 24 connection slave end to driven side guide piece
Distance) with master end close to X point side length.As X point is crossed in master end, inverse change, the first connecting plate 24 occur for length variation
The peak of the movement velocity of the slave end of connection will appear in X point.It is achieved that when master end is moved near X point, from
Dynamic side high-speed reverse movement, master end distance X point farther out when move, slave end movement velocity will reduce.
Specifically, as shown in figure 13, the first connecting plate 24 changes with the angle a during rotation, the first rotational pin 23 reaches X point
It is maximum to be driven no-load voltage ratio, wherein X point is that the first rotational pin 23 is moved to apart from shaft 27 in sliding rail 221 apart from shortest position,
Transmission no-load voltage ratio formula is the formula for being driven no-load voltage ratio are as follows:Wherein n is no-load voltage ratio, and L is 24 length of the first connecting plate, S
The distance of X point is arrived for limit guide part 27.
In specific works, the centre that X point is installed the interval 9ms after the separation of the contact in interrupting process is attached
Closely, may be implemented breaker contact separation the interval 9ms in slave end high-speed motion, can be realized in 9ms needs open away from
It is required that.And other than 9ms, slave end is all low-speed motion, saves mechanism operating work.
In motion process, active arcing contact 13 and from the first movement in the same direction of moving arcing contact 33, the counter motion the characteristics of, with compared with
The slave moving arcing contact 33 of short length is just detached from after relatively large distance after the disengaging of active arcing contact 13, realizes longer driven arc touching
First 33 function reduces excercises work done.
Connecting rod 21 is long straight cylinder structure, and one end of connecting rod 21 is bolt hole, and bolt hole is in the end face of connecting rod 21, the other end
For the long rod structure of pinhole, bolt hole bolt and the transmission connection ring 11 of connecting rod 21 are fastenedly connected, and one end is in the first guiding
It is slided in hole 221.
For the ease of sliding, it is preferable that guide chute 241 is vertical bar type sliding slot.
On the basis of above scheme, it is preferable that connecting plate transmission component is two, and two connecting plate transmission components are arranged in connection
The opposite sides of plate 22, connecting rod 21 are two, and two connecting rods 21 are corresponded with two the first connecting plates 24.Connecting plate transmission component
It is one, bad to the connection reliability from moving arcing contact 33, connecting plate transmission component is set as two, and arranged crosswise balances
Slave end lateral force solves the problems, such as that reliability is not high.
As shown in Figure 6 and Figure 7, two 27 coaxial-symmetricals of limition orientation part are respectively in the opposite sides of connecting plate 22.
As shown in Figure 4 and Figure 5, two limition orientation parts 27 are distributed in the opposite sides of the second pilot hole 222.
A kind of breaker provided by the present application includes slave end connector 3, master end connector 1 and double acting transmission device 2,
Wherein, double acting transmission device 2 is any of the above-described kind of double acting transmission device 2.Double acting transmission device 2 is connection slave end connector 3
With the transfer mechanical movement device of master end connector 1, it is that the motion-promotion force in master end is passed into slave end, is mentioned for slave end
For the machine power transfer device of motion-promotion force.
Active side structure includes active arcing contact 13, spout 12, air cylinder 14, piston rod 15, transmission connection ring 11, is owned
Relative motion does not occur during the motion for part, and all parts are to be fixed to each other.Other than spout 12, remaining parts are metal
Manufacture.Spout 12 is insulating materials manufacture.The direction of motion is the axial movement of piston rod 15.
Driven side structure includes the driven arc touching from moving arcing contact 33, contact base 32, guiding connection device 31, motion process
First 33 and guiding connection device 31 move together, keep coaxial movement with master end, the direction of motion and active are in the same direction or incorgruous,
It is sliding motion in contact base 32 from moving arcing contact 33, contact base 32 is fixed device, has played guarantee from moving arcing contact
33 slide the effect of constraint in contact base 32.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (12)
1. a kind of double acting transmission device of breaker, including connecting rod (21), which is characterized in that further include connecting plate (22) and connecting plate
Transmission component, the connecting plate transmission component include the first connecting plate (24) and second connecting plate hinged with first connecting plate (24)
(25), one end on first connecting plate (24) far from second connecting plate (25) passes through the first rotational pin (23) and the connecting rod
(21) hingedly, on second connecting plate (25) far from first connecting plate (24) one end by the second rotational pin (26) with it is driven
Side connector is hinged, the connecting plate (22) be equipped with for mobile the first pilot hole (221) of first rotational pin (23) and
For mobile the second pilot hole (222) of second rotational pin (26).
2. double acting transmission device according to claim 1, which is characterized in that the connecting plate transmission component further includes that limit is led
To part (27), the limition orientation part (27) is fixedly connected with the connecting plate (22), and first connecting plate (24) is equipped with energy
Enough guide chutes (241) moved along the limition orientation part (27).
3. double acting transmission device according to claim 2, which is characterized in that the limition orientation part (27) is located at described the
Between one connecting plate (24) and the second connecting plate (25) hinge joint and first rotational pin (23).
4. double acting transmission device according to claim 1, which is characterized in that the connecting plate (22) is equipped with for accommodating
The third pilot hole (223) of the connecting rod (21), the connecting rod (21) can be slided along the third pilot hole (223).
5. double acting transmission device according to claim 4, which is characterized in that the connecting plate (22) is equipped with for accommodating
4th pilot hole (224) of slave end connector (3), it is the 4th pilot hole (224), first pilot hole (221), described
Second pilot hole (222) and the setting of third pilot hole (223) centerline parallel.
6. double acting transmission device according to claim 1, which is characterized in that the guide chute (241) is sliding for vertical bar type
Slot.
7. the double acting transmission device according to any one of claim 2-6, which is characterized in that the connecting plate transmission component is
Two, two connecting plate transmission components are arranged in the opposite sides of the connecting plate (22), and the connecting rod (21) is two, and two
A connecting rod (21) corresponds with two first connecting plates (24).
8. double acting transmission device according to claim 7, which is characterized in that two limition orientation parts (27) are coaxial right
Claim respectively in the opposite sides of the connecting plate (22).
9. double acting transmission device according to claim 7, which is characterized in that two limition orientation parts (27) are distributed in
The opposite sides of second pilot hole (222).
10. double acting transmission device according to claim 1, which is characterized in that the first connecting plate (24) and the first pilot hole
(221) angle is a；
When the separating brake angle initial state a is less than 45 °, when separating brake described in it is first same from moving arcing contact (33) and master end connector (1)
Counter motion after to movement；
When the separating brake angle initial state a is greater than 45 °, when separating brake described in from moving arcing contact (33) and master end connector (1) simultaneously
Counter motion.
11. double acting transmission device according to claim 10, which is characterized in that first connecting plate (24) is in rotation process
In change with the angle a, first rotational pin (23) reaches that X point transmission no-load voltage ratio is maximum, and wherein X point is first rotational pin (23)
It is moved in sliding rail (221) apart from shaft (27) apart from shortest position, being driven no-load voltage ratio formula is the formula for being driven no-load voltage ratio are as follows:Wherein n be no-load voltage ratio, L be the first connecting plate (24) length, S be limit guide part (27) arrive X point away from
From.
12. a kind of breaker, including slave end connector (3), master end connector (1) and double acting transmission device (2), feature
It is, the double acting transmission device (2) is double acting transmission device of any of claims 1-11 (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182552.3A CN109192597B (en) | 2018-10-11 | 2018-10-11 | Circuit breaker and double-acting transmission device thereof |
| PCT/CN2019/108968 WO2020073847A1 (en) | 2018-10-11 | 2019-09-29 | Circuit breaker and double-action transmission device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182552.3A CN109192597B (en) | 2018-10-11 | 2018-10-11 | Circuit breaker and double-acting transmission device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109192597A true CN109192597A (en) | 2019-01-11 |
| CN109192597B CN109192597B (en) | 2020-02-04 |
Family
ID=64947643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811182552.3A Active CN109192597B (en) | 2018-10-11 | 2018-10-11 | Circuit breaker and double-acting transmission device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109192597B (en) |
| WO (1) | WO2020073847A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073847A1 (en) * | 2018-10-11 | 2020-04-16 | 西安西电开关电气有限公司 | Circuit breaker and double-action transmission device thereof |
| CN114429882A (en) * | 2022-04-06 | 2022-05-03 | 宁波天安智能电网科技股份有限公司 | Double-acting switch device |
| WO2022121874A1 (en) * | 2020-12-09 | 2022-06-16 | 平高集团有限公司 | Double-acting arc-extinguishing chamber transmission structure |
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| CN104981887A (en) * | 2013-01-24 | 2015-10-14 | 阿尔斯通技术有限公司 | Electrical apparatus with dual movement of contacts comprising a return device with two levers |
| CN104704592A (en) * | 2013-02-07 | 2015-06-10 | 厦门华电开关有限公司 | Switch transmission mechanism and power switch |
| WO2015198640A1 (en) * | 2014-06-25 | 2015-12-30 | 株式会社日立製作所 | Gas circuit breaker |
| CN106504940A (en) * | 2016-12-23 | 2017-03-15 | 中国西电电气股份有限公司 | A kind of double acting contact transmission device of breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073847A1 (en) * | 2018-10-11 | 2020-04-16 | 西安西电开关电气有限公司 | Circuit breaker and double-action transmission device thereof |
| WO2022121874A1 (en) * | 2020-12-09 | 2022-06-16 | 平高集团有限公司 | Double-acting arc-extinguishing chamber transmission structure |
| CN114429882A (en) * | 2022-04-06 | 2022-05-03 | 宁波天安智能电网科技股份有限公司 | Double-acting switch device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109192597B (en) | 2020-02-04 |
| WO2020073847A1 (en) | 2020-04-16 |
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Effective date of registration: 20210113 Address after: Room 601, block a, No.7 tangxing Road, high tech Zone, Xi'an, Shaanxi 710000 Patentee after: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. Patentee after: CHINA XD ELECTRIC Co.,Ltd. Patentee after: GUANGZHOU XD HIGH PRESSURE ELECTRICAL MANUFACTURING Co.,Ltd. Address before: No.509 Daqing Road, Lianhu District, Xi'an City, Shaanxi Province Patentee before: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
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