CN206250114U - A kind of double acting porcelain knob breaker - Google Patents
A kind of double acting porcelain knob breaker Download PDFInfo
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- CN206250114U CN206250114U CN201621433518.5U CN201621433518U CN206250114U CN 206250114 U CN206250114 U CN 206250114U CN 201621433518 U CN201621433518 U CN 201621433518U CN 206250114 U CN206250114 U CN 206250114U
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Abstract
A kind of double acting porcelain knob breaker of the utility model, by the phase composition of A, B and C tri-;Each phase includes grading ring, arc-chutes, the body, capacitor, support insulator, mechanism, base and transmission system;Symmetrically arranged arc-chutes are fixed on base by the body and post insulator insulating sublayer;The arc-chutes that end sets grading ring are self extinguishing type arc extinguishing, including double acting contact transmission device and double air chambers for being equipped with;Capacitor is located at correspondence arc-chutes side and in horizontal positioned;Double acting contact transmission device includes drive end and Partner;Drive end includes coaxially connected spout and moving arcing contact, and notch setting is in the front end of moving arcing contact;Partner includes the static arc contact being coaxially disposed with moving arcing contact, is connected to the draw bar on spout, and the reverse transmission being connected with static arc contact end and draw bar end respectively;Reverse transmission be used for by the motion of draw bar it is parallel with power and reverse pass to static arc contact.
Description
Technical field
The utility model is related to high voltage electric switch field, specially a kind of double acting porcelain knob breaker.
Background technology
With the high speed development of China's power industry, also increasingly increase for power transmission and distribution cost-effectiveness requirement.Porcelain knob is exchanged
Breaker is main in power network effect of both control and protection.First is control action, according to operation of power networks needs, is used
Primary cut-out puts into a part of power equipment or circuit or out of service.Second is protective effect, and primary cut-out may be used also
Faulty component is quickly cut off from power network with power equipment or device fails, it is ensured that the no failure part in power network
Normal operation.In a word, primary cut-out can cut-off, close and Inhaul operation circuit normal current, also can be in the stipulated time
Interior carrying, such as abnormal current for closing and cut-offfing regulation, overload current and short circuit current.
The producer of the double acting porcelain knob breaker of current domestic production cans be counted on one's fingers, and existing voltage class is 550kV high pressures
AC circuit breaker it is relatively costly, the speed of the action of contact is slow, and needs to expend more operating work, thus cut-off compared with
Unstable properties are caused during high current.
Utility model content
For problems of the prior art, the utility model provides a kind of double acting porcelain knob breaker, the phase of contact
Fast to speed, the operating work of mechanism is small, and product cost is low.
The utility model is to be achieved through the following technical solutions:
A kind of double acting porcelain knob breaker, by the phase composition of A, B and C tri-;It is each it is mutually T-shaped arrangement and be double break mouth structure;
Each phase includes grading ring, arc-chutes, the body, capacitor, support insulator, mechanism, base and transmission system;
Symmetrically arranged arc-chutes are fixed on base by the body and post insulator insulating sublayer;End sets grading ring
Arc-chutes are self extinguishing type arc extinguishing, including double acting contact transmission device and double air chambers for being equipped with;Capacitor is located at correspondence and goes out
Arc chamber side and in horizontal positioned;
Described double acting contact transmission device includes drive end and Partner;Drive end includes coaxially connected spout and moves
Arcing contact, notch setting is in the front end of moving arcing contact;Partner includes the static arc contact being coaxially disposed with moving arcing contact, is connected to
Draw bar on spout, and the reverse transmission being connected with static arc contact end and draw bar end respectively;Reverse drive
Device be used for by the motion of draw bar it is parallel with power and reverse pass to static arc contact;
The mechanism is fixed on base, and the output end of in-house setting is connected by transmission system with drive end.
Preferably, described reverse transmission uses gear;The end of static arc contact end and draw bar is respectively provided with
The tooth bar engaged with gear.
Preferably, described reverse transmission includes trundle and shift fork;Trundle one end is fixed on draw bar, separately
The shift fork head connection of one end and shift fork;The outside of shift fork matrix is provided with and sets the tooth that tooth bar is engaged with static arc contact end.
Preferably, described mechanism uses electric spring operation machine.
Preferably, chassis interior is hung under mechanism, described transmission system includes the mechanism's output toggle arm being sequentially connected, the
One connecting plate, insulated tension pole, the second connecting plate, V-type connecting lever and the 3rd connecting plate;Mechanism's output toggle arm is connected with the output end of mechanism, even
Plate is connected with the drive end in corresponding double acting contact transmission device, and described mechanism controls double acting contact to be driven by transmission system
Device cut-offs, and when insulated tension pole is moved straight up, arc-chutes do separating brake motion, when insulated tension pole is moved straight down
When, arc-chutes do combined floodgate motion.
Further, mechanism's output toggle arm rotates secondary and first connecting plate one end and connects by pin, and the other end of the first connecting plate leads to
One end connection that pin rotates secondary and insulated tension pole is crossed, the other end of insulated tension pole is connected by one end that pin rotates secondary and the second connecting plate
Connect, the other end of the second connecting plate is rotated by pin and V-type connecting lever is connected, V-type connecting lever rotates secondary and connecting plate and connects by pin, V-type
Connecting lever rotates pair and is fixed on the body by pin, and connecting plate rotates pair and is directly connected with the pull bar of drive end by pin.
Preferably, in the side of base, described transmission system includes the mechanism's output toggle arm being sequentially connected to arrangement of mechanism,
Pull bar, the outer connecting lever of crank arm box, connecting lever in crank arm box, connecting plate, insulated tension pole, the second connecting plate, V-type connecting lever and the 3rd connecting plate;Mechanism
Output toggle arm is connected with the output end of mechanism, and connecting plate is connected with the drive end in corresponding double acting contact transmission device, described machine
Structure controls cut-offfing for double acting contact transmission device by transmission system, and when insulated tension pole is moved straight up, arc-chutes do
Close a floodgate and move, when insulated tension pole is moved straight down, arc-chutes do separating brake motion.
Further, mechanism's output toggle arm rotates secondary and pull bar one end and connects by pin, and the other end of pull bar is rotated by pin
The galianconism connection of the outer connecting lever of secondary and crank arm box, the outer connecting lever of crank arm box carries out same rotating shaft and connects by connecting lever in circular shaft and crank arm box,
Connecting lever rotates secondary one end with the first connecting plate and connects by pin in crank arm box, and the other end of the first connecting plate rotates secondary and exhausted by pin
One end connection of edge pull bar, the other end of insulated tension pole is connected by one end that pin rotates secondary and the second connecting plate, the second connecting plate
The other end is rotated by pin and V-type connecting lever is connected, and V-type connecting lever rotates secondary and connecting plate and connects by pin, and V-type connecting lever is rotated by pin
Pair is fixed on the body, and connecting plate then rotates pair and is directly connected with the pull bar of drive end by pin.
Compared with prior art, the utility model has following beneficial technique effect:
The double acting porcelain knob breaker of the utility model, arc-chutes use self extinguishing type arc quenching principle, are touched using double acting in structure
Head transmission device;The relative velocity of contact can be improve by the setting of double acting contact, the operating work of mechanism is significantly reduced,
Configuration electric spring mechanism makes product cost have very big decline, reliable in the performance for cut-off high current, while also phase
That answers reduces the cost of product.
Brief description of the drawings
Fig. 1 is the three-phase structure schematic diagram of breaker described in the utility model example.
Fig. 2 a are the phase structure schematic diagram of breaker described in the utility model example 1.
Fig. 2 b are the top view of Fig. 2 a.
Fig. 2 c are the phase structure schematic diagram of breaker described in the utility model example 2.
Fig. 2 d are the top view of Fig. 2 c.
Fig. 3 is the drive system structure schematic diagram described in the utility model example 1.
Fig. 4 is the structural representation of the arc-chutes described in the utility model example 1.
Fig. 5 is the drive system structure schematic diagram described in the utility model example 2.
Fig. 6 is the structural representation of the arc-chutes described in the utility model example 2.
In figure:Grading ring 1, arc-chutes 2, the body 3, capacitor 4, support insulator 5, mechanism 6, base 7, transmission system 8,
Mechanism's output toggle arm 9, the first connecting plate 10, insulated tension pole 11, the second connecting plate 12, V-type connecting lever 13, the 3rd connecting plate 14, static arc contact
15, spout 16, moving arcing contact 17, draw bar 18, gear 19, trundle 20, shift fork 21, connecting rod 22, the outer connecting lever 23 of crank arm box is turned
Connecting lever 24 in arm case.
Specific embodiment
The utility model is described in further detail with reference to specific embodiment, described is to the utility model
Explanation rather than restriction.
Example 1
A kind of double acting porcelain knob breaker of the utility model, as shown in figure 1, by the phase composition of A, B, C tri-;Each phase is integrally tied
The T-shaped arrangement of structure, and be double break mouth structure, as shown in Figure 2 a and 2 b, including grading ring 1, arc-chutes 2, the body 3, electric capacity
Device 4, support insulator 5, mechanism 6, base 7, transmission system 8.Support insulator 5 is arranged in the top of base 7, it is ensured that product has
Enough insulation against ground distances.Arc-chutes 2 and the body 3 are arranged in the top of support insulator 5, and simple structure is aesthetic in appearance.It is described
Support insulator 5 is two nodule structures.Mechanism 6 is arranged in the side of base 7.
As shown in figure 3, when transmission system 8 in the utility model works, mechanism's output toggle arm 9 rotates secondary with the by pin
One end connection of one connecting plate 10, the other end of the first connecting plate 10 is connected by one end that pin rotates secondary and insulated tension pole 11, insulation
The other end of pull bar 11 is connected by one end that pin rotates secondary and the second connecting plate 12, and the other end of the second connecting plate 12 is rotated by pin
Connected with V-type connecting lever 13, V-type connecting lever 13 rotates secondary and connecting plate 14 and connects by pin, V-type connecting lever 13 rotates pair and is fixed on by pin
On the body 3, connecting plate 14 then rotates pair and is directly connected with the pull bar of drive end by pin, forms transmission system 8.
When mechanism exports certain angle lead agency 9 counterclockwise rotates of output toggle arm, it passes through the first connecting plate 10
Insulated tension pole 11 is promoted vertically up to move, when insulated tension pole 11 is vertically up moved, it drives left and right
Two V-type connecting levers 13 counterclockwise and are rotated clockwise respectively, so that two pull bars of drive end are respectively to dextrad
A left side moves horizontally, that is, complete the sub-switching operation of breaker;Conversely, when mechanism's output toggle arm 9 is rotated clockwise, then it is complete
Into the closing operation of breaker.
The arc-chutes 2 of breaker described in the utility model use self extinguishing type arc quenching principle, are passed using double acting contact in structure
Dynamic device and the design of double air chambers, mechanism 6 use electric spring operation machine.
As shown in figure 4, the double acting operation principle of arc-chutes 2 is as follows in the utility model:Spout 16 is moved right during combined floodgate,
The tooth bar of the associated end of draw bar 18 promotes gear 19 to rotate clockwise, and static arc contact 15 is pressed into left motion, directly
To in-place closing.During separating brake, movable contact system promotes gear 19 to rotate counterclockwise to left movement, spout 16 and draw bar 18, makes
The separating brake to the right of static arc contact 15, with the counter motion of moving arcing contact 17.On the one hand double acting contact transmission device improves sound arc and touches
The relative velocity of head, on the other hand significantly reduces the operating work of mechanism.
Example 2
A kind of double acting porcelain knob breaker of the utility model, as shown in figure 1, by the phase composition of A, B, C tri-;Each phase is integrally tied
The T-shaped arrangement of structure, and be double break mouth structure, as shown in Fig. 2 c and Fig. 2 d, including grading ring 1, arc-chutes 2, the body 3, electric capacity
Device 4, support insulator 5, mechanism 6, base 7, transmission system 8.Support insulator 5 is arranged in the top of base 7, it is ensured that product has
Enough insulation against ground distances.Arc-chutes 2 and the body 3 are arranged in the top of support insulator 5, and simple structure is aesthetic in appearance.It is described
Support insulator 5 is two nodule structures.Mechanism 6 is arranged in inside base 7.
As shown in figure 5, when the transmission system 8 in the utility model works, mechanism's output toggle arm 9 is rotated secondary and drawn by pin
The one end of bar 22 is connected, and the other end of pull bar 22 is connected by the galianconism that pin rotates the outer connecting lever 23 of secondary and crank arm box, is turned outside crank arm box
Arm 23 carries out same rotating shaft and connects by connecting lever 24 in circular shaft and crank arm box, and connecting lever 24 rotates pair and first and connects by pin in crank arm box
One end connection of plate 10, the other end of the first connecting plate 10 is connected by one end that pin rotates secondary and insulated tension pole 11, insulated tension pole
11 other end is connected by one end that pin rotates secondary and the second connecting plate 12, and the other end of the second connecting plate 12 is rotated and V by pin
Type connecting lever 13 is connected, and V-type connecting lever 13 rotates secondary and connecting plate 17 and connects by pin, and V-type connecting lever 13 rotates pair and is fixed on body by pin
On shell 3, connecting plate 17 then rotates pair and is directly connected with the pull bar of drive end by pin, forms transmission system 8.
When mechanism exports certain angle lead agency 9 counterclockwise rotates of output toggle arm, it passes through pull bar 22 and promotes
Connecting lever 24 turns clockwise in the outer connecting lever 23 of crank arm box and crank arm box, when connecting lever 24 turns clockwise in crank arm box, its arm band
Dynamic insulated tension pole 11 is vertically up moved, and when insulated tension pole 11 is vertically up moved, it drives left and right two
Individual V-type connecting lever 13 counterclockwise and is rotated clockwise respectively, so that two pull bars of drive end are distinguished to the right to the left
Move horizontally, that is, complete the closing operation of breaker;Conversely, when mechanism's output toggle arm 9 is rotated clockwise, then completing
The sub-switching operation of breaker.
The arc-chutes 2 of breaker described in the utility model use self extinguishing type arc quenching principle, are passed using double acting contact in structure
Dynamic device and the design of double air chambers, mechanism 6 use electric spring operation machine.
As shown in fig. 6, the double acting operation principle of arc-chutes 2 is as follows in the utility model:Spout 16 is moved right during combined floodgate,
The synchronous shift fork 21 of promotion to the right of trundle 20 on associated draw bar 18 is rotated clockwise and for static arc contact 15 to press to a left side
Fang Yundong, until in-place closing.During separating brake, movable contact system is promoted to left movement, spout 16 through draw bar 18 and trundle 20
Shift fork 21 is rotated counterclockwise, and makes the separating brake to the right of static arc contact 15, with the counter motion of moving arcing contact 17.Double acting contact transmission device one
Aspect improves the relative velocity of sound arcing contact, on the other hand significantly reduces the operating work of mechanism.
A kind of double acting porcelain knob AC circuit breaker of the utility model, it mainly has of both control and protection in power network
Effect, can cut-off, close and Inhaul operation circuit normal current, also can at the appointed time carry, close and cut-off rule
Fixed abnormal current, so as to improve the reliability of transmission system and the availability of energy.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be considered as
Belong to the claims of the utility model by being submitted to and determine scope of patent protection.
Claims (8)
1. a kind of double acting porcelain knob breaker, it is characterised in that by the phase composition of A, B and C tri-;Each mutually T-shaped arrangement and for double
Fracture texture;Each phase includes grading ring (1), arc-chutes (2), the body (3), capacitor (4), support insulator (5), mechanism
(6), base (7) and transmission system (8);
Symmetrically arranged arc-chutes (2) are insulated by the body (3) and support insulator (5) and are fixed on base (7);End is set
The arc-chutes (2) of grading ring (1) are self extinguishing type arc extinguishing, including double acting contact transmission device and double air chambers for being equipped with;Electricity
Container (4) is positioned at correspondence arc-chutes (2) side and in horizontal positioned;
Described double acting contact transmission device includes drive end and Partner;Drive end includes coaxially connected spout (16) and moves
Arcing contact (17), spout (16) is arranged on the front end of moving arcing contact (17);Partner includes being coaxially disposed with moving arcing contact (17)
Static arc contact (15), be connected to the draw bar (18) on spout (16), and respectively with static arc contact (15) end and traction
The reverse transmission of bar (18) end connection;Reverse transmission is used for the motion of draw bar (18) is parallel with power and reverse
Pass to static arc contact (15);
The mechanism (6) is fixed on base (7), and the output end set inside mechanism (6) passes through transmission system (8) and drive end
Connection.
2. a kind of double acting porcelain knob breaker according to claim 1, it is characterised in that described reverse transmission is adopted
With gear (19);The end of static arc contact (15) end and draw bar (18) is respectively provided with the tooth bar engaged with gear (19).
3. a kind of double acting porcelain knob breaker according to claim 1, it is characterised in that described reverse transmission bag
Include trundle (20) and shift fork (21);Trundle (20) one end is fixed on draw bar (18), and the other end and shift fork (21) are dialled
Jaw is connected;The outside of shift fork (21) matrix is provided with and sets the tooth that tooth bar is engaged with static arc contact (15) end.
4. a kind of double acting porcelain knob breaker according to claim 1, it is characterised in that described mechanism (6) is using electricity
Dynamic spring operating mechanism.
5. a kind of double acting porcelain knob breaker according to claim 1, it is characterised in that base (7) is hung under mechanism (6)
Inside, described transmission system (8) includes mechanism's output toggle arm (9) for being sequentially connected, the first connecting plate (10), insulated tension pole
(11), the second connecting plate (12), V-type connecting lever (13) and the 3rd connecting plate (14);Mechanism's output toggle arm (9) and the output end of mechanism (6)
Connection, connecting plate (14) is connected with the drive end in corresponding double acting contact transmission device, and described mechanism (6) is by transmission system
(8) cut-offfing for double acting contact transmission device is controlled, and when insulated tension pole (11) is moved straight up, arc-chutes do separating brake fortune
Dynamic, when insulated tension pole (11) is moved straight down, arc-chutes do combined floodgate motion.
6. a kind of double acting porcelain knob breaker according to claim 5, it is characterised in that mechanism's output toggle arm (9) passes through
Pin rotates the connection of secondary and the first connecting plate (10) one end, and the other end of the first connecting plate (10) rotates secondary and insulated tension pole (11) by pin
One end connection, the other end of insulated tension pole (11) rotates one end connection of secondary and the second connecting plate (12), the second connecting plate by pin
(12) the other end is rotated by pin and V-type connecting lever (13) is connected, and V-type connecting lever (13) rotates secondary and connecting plate (14) even by pin
Connect, V-type connecting lever (13) rotates pair and is fixed on the body (3) by pin, connecting plate (14) rotates secondary direct and drive end by pin
Pull bar is connected.
7. a kind of double acting porcelain knob breaker according to claim 1, it is characterised in that mechanism (6) is arranged in base (7)
Side, described transmission system (8) includes mechanism's output toggle arm (9) for being sequentially connected, pull bar (22), the outer connecting lever of crank arm box
(23), connecting lever (24) in crank arm box, connecting plate (13), insulated tension pole (11), the second connecting plate (12), V-type connecting lever (13) and the 3rd connects
Plate (14);Mechanism's output toggle arm (9) is connected with the output end of mechanism (6), connecting plate (17) with corresponding double acting contact transmission device
Drive end connection, described mechanism (6) controls cut-offfing for double acting contact transmission device by transmission system (8), and when insulation
When pull bar (11) is moved straight up, arc-chutes do combined floodgate motion, and when insulated tension pole (11) is moved straight down, arc-chutes divide
Lock is moved.
8. a kind of double acting porcelain knob breaker according to claim 7, it is characterised in that mechanism's output toggle arm (9) passes through
Pin rotates the connection of secondary and pull bar (22) one end, and the other end of pull bar (22) rotates the short of the outer connecting lever (23) of secondary and crank arm box by pin
Arm is connected, and the outer connecting lever (23) of crank arm box carries out same rotating shaft and connects by connecting lever (24) in circular shaft and crank arm box, connecting lever in crank arm box
(24) rotate secondary one end with the first connecting plate (10) by pin to connect, the other end of the first connecting plate (10) rotates secondary and exhausted by pin
One end connection of edge pull bar (11), the other end of insulated tension pole (11) is connected by one end that pin rotates secondary and the second connecting plate (12)
Connect, the other end of the second connecting plate (12) is rotated by pin and V-type connecting lever (13) is connected, V-type connecting lever (13) by pin rotate it is secondary and
Connecting plate (17) is connected, and V-type connecting lever (13) rotates pair and is fixed on the body (3) by pin, and connecting plate (17) then rotates secondary straight by pin
Connect and be connected with the pull bar of drive end.
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CN201621433518.5U CN206250114U (en) | 2016-12-23 | 2016-12-23 | A kind of double acting porcelain knob breaker |
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CN201621433518.5U CN206250114U (en) | 2016-12-23 | 2016-12-23 | A kind of double acting porcelain knob breaker |
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CN201621433518.5U Active CN206250114U (en) | 2016-12-23 | 2016-12-23 | A kind of double acting porcelain knob breaker |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107658175A (en) * | 2017-09-21 | 2018-02-02 | 中国西电电气股份有限公司 | A kind of arc-chutes for primary cut-out |
CN109786175A (en) * | 2018-12-26 | 2019-05-21 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of porcelain knob breaker dynamic micro-model of interior visible |
CN112534530A (en) * | 2018-08-07 | 2021-03-19 | 西门子能源全球有限公司 | Switching device and transmission unit for a switching device |
-
2016
- 2016-12-23 CN CN201621433518.5U patent/CN206250114U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107658175A (en) * | 2017-09-21 | 2018-02-02 | 中国西电电气股份有限公司 | A kind of arc-chutes for primary cut-out |
CN107658175B (en) * | 2017-09-21 | 2020-08-25 | 中国西电电气股份有限公司 | Arc extinguish chamber for high-voltage circuit breaker |
CN112534530A (en) * | 2018-08-07 | 2021-03-19 | 西门子能源全球有限公司 | Switching device and transmission unit for a switching device |
CN112534530B (en) * | 2018-08-07 | 2024-03-08 | 西门子能源全球有限公司 | Switching device and transmission unit for switching device |
CN109786175A (en) * | 2018-12-26 | 2019-05-21 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of porcelain knob breaker dynamic micro-model of interior visible |
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