CN208580694U - A kind of novel vacuum circuit breaker - Google Patents
A kind of novel vacuum circuit breaker Download PDFInfo
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- CN208580694U CN208580694U CN201820976296.4U CN201820976296U CN208580694U CN 208580694 U CN208580694 U CN 208580694U CN 201820976296 U CN201820976296 U CN 201820976296U CN 208580694 U CN208580694 U CN 208580694U
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- connecting rod
- contact
- rod
- moving contact
- circuit breaker
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Abstract
The utility model discloses a kind of novel vacuum circuit breakers, contact is set in vacuum extinction room, contact includes static contact and moving contact, moving contact is equipped with moving contact connecting rod, static contact connects upper leading-out terminal, moving contact connects lower wire end, moving contact connects contact driving mechanism by moving contact connecting rod, contact driving mechanism includes electromagnetic actuator device and sequentially hinged first connecting rod, second connecting rod, third connecting rod and elastic rod, first connecting rod one end is equipped with sliding slot, sliding slot is articulated with the lower end of moving contact connecting rod by central axis, elastic rod is also articulated with elastic rod fixed point, electromagnetic actuator device includes coil and the dynamic iron core for being set to coil inside, dynamic iron core is articulated with the junction of third connecting rod and elastic rod, the middle part of third connecting rod is equipped with third connecting rod hinge joint, third connecting rod is also connected with the limit for limiting third connecting rod rotational angle Position device.Compared with the existing technology, the present embodiment structure is simple, and number of parts is less, can be effectively reduced failure rate.
Description
Technical field
The utility model relates to a kind of novel vacuum circuit breakers, belong to power supply engineering technical field.
Background technique
Nowadays, as domestic vacuum interrupter and vacuum circuit breaker technical level reach its maturity, China's vacuum circuit breaker
Yield be substantially incremented by every year, now in 40.5kV voltage class, vacuum circuit breaker has gradually replaced SF6 breaker.Height presses off
It closes industry yearbook data and shows that vacuum circuit breaker has occupy leading position in China Medium voltage switch or circuit breaker field.
SF6 breaker is compared, the sharpest edges of vacuum circuit breaker are the danger of not gas leakage, not will cause environment dirt
Dye；Meanwhile many advantages, such as good but also with arc extinction performance, electrical endurance is long, operational reliability is high.Therefore, vacuum circuit breaker
With its excellent performance, the extensive use of every profession and trade numerous producers and user has been obtained.
The advantage of vacuum circuit breaker mainly have safety reliable for operation, long service life, can frequent operation, noise be small, vacuum
Arc blowout effect is good, electric arc is not exposed, dangerous without fire explosion, maintenance workload is few etc..
The driving that the movable contact of vacuum circuit breaker has to pass through operating mechanism could be combined or separate with stationary contact, very
The operating mechanism of empty breaker must have sufficiently large switching force and closing power, can just obtain enough speed at instant of contacts touch ing, and
And breaker should be able to be maintained at closing position after combined floodgate by its supporting element, not because external shock or other reasons occur accidentally to divide
Lock.And function needed for laborsaving measure should being taken to make sub-switching operation in operating mechanism is small to the greatest extent.Current operating mechanism components are many
More, high failure rate is the main reason for influencing vacuum circuit breaker reliability.
Utility model content
To solve the deficiencies in the prior art, it is simple, reliable operation that the purpose of this utility model is to provide a kind of structures
Novel vacuum circuit breaker.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
A kind of novel vacuum circuit breaker, which is characterized in that including upper leading-out terminal, lower wire end, vacuum interrupter, contact and
Contact driving mechanism, the contact are set in vacuum extinction room, and the contact includes static contact and moving contact, the moving contact
Equipped with moving contact connecting rod, the static contact connects upper leading-out terminal, and the moving contact connects lower wire end, and the moving contact passes through dynamic
Contact connecting rod connects contact driving mechanism, and the contact driving mechanism includes electromagnetic actuator device and the first sequentially hinged company
Bar, second connecting rod, third connecting rod and elastic rod, described first connecting rod one end are equipped with sliding slot, and the sliding slot is hinged by central axis
In the lower end of moving contact connecting rod, the elastic rod is also articulated with elastic rod fixed point, and the electromagnetic actuator device includes coil
And it is set to the dynamic iron core of coil inside, the dynamic iron core is articulated with the junction of third connecting rod and elastic rod, and the third connects
The middle part of bar is equipped with third connecting rod hinge joint, and the third connecting rod is also connected with the dress of the limit for limiting third connecting rod rotational angle
It sets.
As a kind of prioritization scheme, the both ends of a kind of novel vacuum circuit breaker above-mentioned, central axis are connected by rolling bearing
Connect sliding slot.
As a kind of prioritization scheme, a kind of novel vacuum circuit breaker above-mentioned, limiting device is set on third connecting rod
Two retention beads in portion and lower part.
As a kind of prioritization scheme, a kind of novel vacuum circuit breaker above-mentioned, third connecting rod is additionally provided with manual operation device,
The third connecting rod hinge joint of manual operation device and third connecting rod is coaxial.
As a kind of prioritization scheme, a kind of novel vacuum circuit breaker above-mentioned, elastic rod include adjusting nut, telescopic rod and
Spring, telescopic rod are through at spring inner, and spring end connects adjusting nut, and adjusting nut can be adjusted along telescopic rod axis direction.
As a kind of prioritization scheme, the angle of a kind of novel vacuum circuit breaker above-mentioned, third connecting rod and horizontal direction is
15 degree.
The utility model it is achieved the utility model has the advantages that
In the elastic rod compression process with open-circuit operation of closing a floodgate, it can be realized under the action of electromagnetic operating device, when
By third connecting rod and elastic rod it is conllinear when, combined floodgate or open circuit can be realized under the elastic force effect of elastic rod, realize dynamic touching
Head fast moves.
Compared with the existing technology, the present embodiment structure is simple, and number of parts is less, can be effectively reduced failure rate.Work as electricity
It, can also tool rotation manual operating device realization combined floodgate or open circuit when magnetic actuating device can not work.
Detailed description of the invention
Fig. 1 is the utility model combined floodgate main view；
Fig. 2 is the utility model short circuit main view；
Fig. 3 is that the utility model first connecting rod with moving contact connecting rod connect top view；
Fig. 4 is the utility model manual operation device main view；
The meaning of appended drawing reference in figure: the upper leading-out terminal of 1-；2- lower wire end；3- vacuum interrupter；4- static contact；5- is dynamic
Contact；51- moving contact connecting rod；52- central axis；521- rolling bearing；6- first connecting rod；61- first connecting rod hinge joint；62- is sliding
Slot；7- second connecting rod；8- third connecting rod；81- third connecting rod hinge joint；82- retention bead；83- manual operation device；9- elasticity
Bar；91- elastic rod fixed point；92- adjusting nut；93- telescopic rod；10- coil；101- dynamic iron core.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
It is as shown in Figures 1 and 2: a kind of novel vacuum circuit breaker, including upper leading-out terminal 1, lower wire end 2, vacuum interrupter
3, contact and contact driving mechanism, contact are set in vacuum interrupter 3, and contact includes static contact 4 and moving contact 5, moving contact 5
Equipped with moving contact connecting rod 51, static contact 4 connects upper leading-out terminal 1, and moving contact 5 connects lower wire end 2, and moving contact 5 passes through moving contact
Connecting rod 51 connects contact driving mechanism, and contact driving mechanism includes electromagnetic actuator device and sequentially hinged first connecting rod 6, second
Connecting rod 7, third connecting rod 8 and elastic rod 9,6 one end of first connecting rod are equipped with sliding slot 62, and sliding slot 62 is articulated with dynamic by central axis 52
The lower end of contact connecting rod 51, elastic rod 9 are also articulated with elastic rod fixed point 91, and electromagnetic actuator device includes coil 10 and setting
Dynamic iron core 101 inside coil 10, dynamic iron core 101 are articulated with the junction of third connecting rod 8 Yu elastic rod 9, third connecting rod 8
Middle part is equipped with third connecting rod hinge joint 81, and third connecting rod 8 is also connected with the limiting device for limiting 8 rotational angle of third connecting rod.
It is as shown in Figure 3: to close a floodgate and resistance when short circuit operation to reduce the present embodiment, the both ends of central axis 52 are preferably logical
It crosses rolling bearing 521 and connects sliding slot 62.
The limiting device of the present embodiment is two retention beads 82 for being set to 8 top of third connecting rod and lower part, including upper
Protrusion and lower convexity.
As shown in Figure 4: electromagnetic actuator device (coil 10 and dynamic iron core 101) fails in order to prevent, and third connecting rod 8 is additionally provided with
Manual operation device 83, manual operation device 83 and the third connecting rod hinge joint 81 of third connecting rod 8 are coaxial, when needing closing by hand
Or when open circuit, combined floodgate or open circuit can be realized by tool rotation manual operating device 83.
The error of manufacture and fit in order to prevent, also for preventing using overlong time, the elasticity of elastic rod 9 is reduced,
The elastic force of elastic rod 9 can preferably be adjusted, and elastic rod 9 includes adjusting nut 92, telescopic rod 93 and spring, and telescopic rod 93 is worn
In spring inner, spring end connects adjusting nut 92, and when needing to adjust the elastic force of elastic rod 9, rotating adjusting nut 92 makes
It is adjusted along 93 axis direction of telescopic rod.
When combined floodgate or open circuit, the third connecting rod 8 of the present embodiment and the angle of horizontal direction are 15 degree, and the angle is by two
The relative position of retention bead 82 and third connecting rod 8 determines.
In use, when carrying out open-circuit operation, operate from Fig. 1 to Fig. 2 state, at this time third connecting rod 8 and retention bead 82
Lower convexity connection, the hinged place of third connecting rod 8 and elastic rod 9 is in upper end and presses open circuit when needing to carry out open-circuit operation
Button, coil 10 drive dynamic iron core 101 to move downward, and dynamic iron core 101 pushes third connecting rod 8 and the hinged place of elastic rod 9 downward
Movement, third connecting rod 8 are rotated clockwise with third connecting rod hinge joint 81 for axle center, pass sequentially through second connecting rod 7 and first connecting rod
6 pulling moving contact connecting rods 51 move downward, and then realize the separation of static contact 4 and moving contact 5, realize open-circuit operation.Above-mentioned
In the process, when third connecting rod 8 is turned to it is conllinear with elastic rod 9 when, can be real under the effect of 9 elastic force of elastic rod when being further continued for rotation
Existing quick rotation, until the upper projection contacts of third connecting rod 8 and retention bead 82, realization static contact 4 is quick with moving contact 5
Separation.
When carrying out closing operation, operate from Fig. 2 to Fig. 1 state, coil 10 drives dynamic iron core 101 to move upwards, third
Connecting rod 8 is rotated counterclockwise with third connecting rod hinge joint 81 for axle center, until third connecting rod 8 is contacted with the lower convexity of retention bead 82
(Fig. 1 state).
It, can also the realization of tool rotation manual operating device 83 combined floodgate or open circuit when electromagnetic operating device can not work.
In 9 compression process of elastic rod with open-circuit operation of closing a floodgate, it can be realized under the action of electromagnetic operating device, when
When conllinear with elastic rod 9 by third connecting rod 8, combined floodgate or open circuit can be realized under the elastic force effect of elastic rod 9, realize dynamic
Contact 5 fast moves.
Compared with the existing technology, the present embodiment structure is simple, and number of parts is less, can reduce failure rate.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (6)
1. a kind of novel vacuum circuit breaker, which is characterized in that including upper leading-out terminal (1), lower wire end (2), vacuum interrupter
(3), contact and contact driving mechanism, the contact are set in vacuum interrupter (3), the contact include static contact (4) and
Moving contact (5), the moving contact (5) are equipped with moving contact connecting rod (51), leading-out terminal (1) in static contact (4) connection, described dynamic
Contact (5) connects lower wire end (2), and the moving contact (5) connects contact driving mechanism, the touching by moving contact connecting rod (51)
Head driving mechanism includes electromagnetic actuator device and sequentially hinged first connecting rod (6), second connecting rod (7), third connecting rod (8) and bullet
Property bar (9), described first connecting rod (6) one end is equipped with sliding slot (62), and the sliding slot (62) is articulated with dynamic touching by central axis (52)
The lower end of head connecting rod (51), the elastic rod (9) are also articulated with elastic rod fixed point (91), and the electromagnetic actuator device includes
Coil (10) and be set to the internal dynamic iron core (101) of coil (10), the dynamic iron core (101) be articulated with third connecting rod (8) with
The middle part of the junction of elastic rod (9), the third connecting rod (8) is equipped with third connecting rod hinge joint (81), the third connecting rod (8)
It is also connected with the limiting device for limiting third connecting rod (8) rotational angle.
2. a kind of novel vacuum circuit breaker according to claim 1, which is characterized in that the both ends of the central axis (52) are logical
Cross rolling bearing (521) connection sliding slot (62).
3. a kind of novel vacuum circuit breaker according to claim 1, which is characterized in that the limiting device is to be set to
Two retention beads (82) on three-link (8) top and lower part.
4. a kind of novel vacuum circuit breaker according to claim 1, which is characterized in that the third connecting rod (8) is additionally provided with
Manual operation device (83), the manual operation device (83) and the third connecting rod hinge joint (81) of third connecting rod (8) are coaxial.
5. a kind of novel vacuum circuit breaker according to claim 1, which is characterized in that the elastic rod (9) includes adjusting
Nut (92), telescopic rod (93) and spring, the telescopic rod (93) are through at spring inner, and the spring end connects adjusting nut
(92), the adjusting nut (92) can be adjusted along telescopic rod (93) axis direction.
6. a kind of novel vacuum circuit breaker according to claim 1, which is characterized in that the third connecting rod (8) and level
The angle in direction is 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976296.4U CN208580694U (en) | 2018-06-25 | 2018-06-25 | A kind of novel vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976296.4U CN208580694U (en) | 2018-06-25 | 2018-06-25 | A kind of novel vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208580694U true CN208580694U (en) | 2019-03-05 |
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ID=65509171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820976296.4U Active CN208580694U (en) | 2018-06-25 | 2018-06-25 | A kind of novel vacuum circuit breaker |
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| CN (1) | CN208580694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785564A (en) * | 2020-07-09 | 2020-10-16 | 河南智开智能科技有限公司 | Novel protection type permanent magnetism vacuum circuit breaker |
-
2018
- 2018-06-25 CN CN201820976296.4U patent/CN208580694U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785564A (en) * | 2020-07-09 | 2020-10-16 | 河南智开智能科技有限公司 | Novel protection type permanent magnetism vacuum circuit breaker |
| CN111785564B (en) * | 2020-07-09 | 2022-07-12 | 河南智开智能科技有限公司 | Novel protection type permanent magnetism vacuum circuit breaker |
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