CN205789677U - A kind of it is flexible coupling and attachment structure based on the switching-on resistance being flexible coupling Yu arc-chutes - Google Patents
A kind of it is flexible coupling and attachment structure based on the switching-on resistance being flexible coupling Yu arc-chutes Download PDFInfo
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- CN205789677U CN205789677U CN201620525598.0U CN201620525598U CN205789677U CN 205789677 U CN205789677 U CN 205789677U CN 201620525598 U CN201620525598 U CN 201620525598U CN 205789677 U CN205789677 U CN 205789677U
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Abstract
The utility model discloses and a kind of be flexible coupling and attachment structure based on the switching-on resistance being flexible coupling Yu arc-chutes, it is flexible coupling for connecting first component and second component, this is flexible coupling and includes conduction soft ribbons, the two ends of conduction soft ribbons are connected to the first and second union joints, for being connected with first component and second component, described first union joint and the second union joint are fastenedly connected by the first and second pressing plates and the first and second parts respectively.After this is flexible coupling and applies in chopper, when breaker mechanism operates, impulsive force is delivered to be flexible coupling by switching-on resistance contact, and the buffering that is flexible coupling falls impulsive force, so that impulsive force will not pass to switching-on resistance sheet, it is to avoid the impulsive force impact on combined floodgate resistor disc.
Description
[technical field]
This utility model relates to high-voltage switch gear transmission facility technical field, particularly relates to a kind of be flexible coupling and based on the combined floodgate being flexible coupling
Resistance and the attachment structure of arc-chutes.
[background technology]
Switching-on resistance is to absorb the device of produced switching overvoltage energy when primary cut-out closes in power system, according to electricity
The requirement of Force system, the SF6 chopper of general 363kV and above is all with switching-on resistance, in prior art, electricity
Resistance heap generally hangs and is fixed on arc-chutes flange, and the weight of this layout resistance heap then can all be added in arc-chutes framework and arc-chutes
On insulating supporting, when resistor disc quantity is a lot, resistor disc series connection length is the longest, and hang resistor disc stress is bad, resistor disc phase
Extruding can cause resistor disc squeezed broken mutually.It is to be directly connected between switching-on resistance fracture and switching-on resistance, belongs to and be rigidly connected, this
The enormous impact power that connected mode resistor disc can be come by resistance contact head transmission, has a significant impact resistor disc, it may appear that rupture, separately
Outward, this mode, the weight of resistance is all added on arc-chutes framework and arc-chutes insulating supporting, strong to framework and insulating supporting
Degree requires the highest, and arc-chutes bulk strength reliability reduces.
[summary of the invention]
This utility model is for the shortcoming overcoming prior art, it is provided that a kind of be flexible coupling and based on the switching-on resistance being flexible coupling with go out
The attachment structure of arc chamber, when switching-on resistance sheet series connection length can be avoided the longest, switching-on resistance sheet mutually extrudes the resistor disc quilt caused
Squeezing broken, be flexible coupling the resistance contact head direct impulsive force to resistor disc when can buffer mechanism's operation, thus avoids resistor disc to be hit
Broken and low with the requirement of strength of insulating supporting to arc-chutes framework.
One is flexible coupling, and is used for connecting first component and second component, and this is flexible coupling and includes that conduction soft ribbons, the two ends of conduction soft ribbons are divided
Lian Jie there be the first and second union joints, for being connected with first component and second component, described first union joint and the second union joint
It is fastenedly connected by the first and second pressing plates and the first and second parts respectively.
The first described pressing plate and the second pressing plate are fastenedly connected by screw and the first and second parts respectively.
The first and second described union joints are all that multilayer copper foil is made with conduction soft ribbons.
A kind of switching-on resistance and the attachment structure of arc-chutes, in SF6 chopper, including the switching-on resistance loop being connected in parallel
With arc-chutes major loop, wherein, switching-on resistance includes the resistance heap that multiple resistor disc connection in series-parallel forms, and one end of this resistance heap is passed through
First switching-on resistance flange is connected with outlet conductor, and the other end of this resistance heap passes through the second switching-on resistance Flange joint with combined floodgate
The switching-on resistance contact base of resistance contact head, described arc-chutes major loop is connected with outlet conductor by main circuit conductor, described second
Switching-on resistance flange is by the connection switching-on resistance contact base that is flexible coupling.
Connecting further on described switching-on resistance contact base has switching-on resistance contact to be connected to arc extinguishing by switching-on resistance contact-support
On the quiet side flange in room.
Described attachment structure has farther included switching-on resistance supporting construction, including closing a floodgate with the first switching-on resistance flange and second respectively
The switching-on resistance of resistance Flange joint supports.
Described arc-chutes main circuit conductor is directly connected with outlet conductor or arc-chutes main circuit conductor is by the first switching-on resistance method
Orchid is connected with outlet conductor.
When arc-chutes main circuit conductor is directly connected with outlet conductor, this arc-chutes main circuit conductor closes a floodgate with first by being flexible coupling
Resistance Flange joint.
Compared with prior art, this utility model at least has the advantages that this utility model is flexible coupling for connecting first
Parts and second component, this is flexible coupling and includes that conduction soft ribbons, the two ends of conduction soft ribbons are connected to the first and second union joints, use
In being connected with first component and second component, described first union joint and the second union joint are respectively by the first and second pressing plates and first
It is fastenedly connected with second component.After this is flexible coupling and applies in chopper, when breaker mechanism operates, impulsive force is by the electricity that closes a floodgate
Resistance contact is delivered to be flexible coupling, and the buffering that is flexible coupling falls impulsive force, so that impulsive force will not pass to switching-on resistance sheet, it is to avoid impact
The power impact on combined floodgate resistor disc.
This utility model attachment structure includes switching-on resistance loop and the arc-chutes major loop of parallel connection, and wherein, combined floodgate circuit includes many
The resistance heap of individual resistor disc connection in series-parallel composition, one end of this resistance heap is connected with outlet conductor by the first switching-on resistance flange, this electricity
The other end of resistance heap has switching-on resistance contact, described arc-chutes major loop to be led by major loop by the second switching-on resistance Flange joint
Body is connected with outlet conductor.So, when breaker mechanism operation is closed a floodgate, switching-on resistance contact closes a floodgate prior to arc-chutes contact, with
The switching-on resistance loop that switching-on resistance contact connects is connected, and is shifted to an earlier date by switching-on resistance in line attachment system, the overvoltage energy on circuit
Amount major part consumes on switching-on resistance sheet, and then arc-chutes contact closes a floodgate, and arc-chutes major loop is connected, by short for switching-on resistance loop
Road, switching-on resistance is out of service.
When this structure can avoid switching-on resistance sheet series connection length the longest, it is squeezed that switching-on resistance sheet mutually extrudes the resistor disc caused
Broken, and the resistance contact head direct impulsive force to resistor disc when can buffer mechanism's operation, thus it is broken to avoid resistor disc to be hit,
And it is low with the requirement of strength of insulating supporting to arc-chutes framework.
[accompanying drawing explanation]
Fig. 1 is embodiment 1 structural representation of the present utility model.
Fig. 2 is embodiment 2 structural representation of the present utility model.
Fig. 3 is the structural representation that 6-is flexible coupling.
Sequence number in figure: 1-outlet conductor, 2-the first switching-on resistance flange, 3-resistor disc, 4-the second switching-on resistance flange, 5-closes
Lock resistance insulation supports, and 6-is flexible coupling, 7-switching-on resistance contact base, 8-switching-on resistance contact-support, the quiet side flange of 9-arc-chutes,
10-switching-on resistance contact, 11-fracture insulating supporting, 12-arc-chutes framework, 13-main circuit conductor.
Below in conjunction with the accompanying drawings this utility model is further illustrated.
[detailed description of the invention]
This utility model solves its technical problem and be the technical scheme is that in SF6 potting breaker, switching-on resistance sheet 3
The switching-on resistance heap formed after connection in series-parallel uses independent insulating supporting structure, is assemblied in the switching-on resistance method of both sides by switching-on resistance heap
Lan Shang, then be supported on metal shell by two insulation supporting cylinders being fixed on switching-on resistance flange, switching-on resistance heap breaks with resistance
The electrical connection of mouth contact uses 6 connections that are flexible coupling, and main circuit conductor 13 side of arc-chutes connects the quiet side flange of arc-chutes 9, separately
Side or be directly connected with outlet conductor 1, or first with the switching-on resistance Flange joint of switching-on resistance heap side, then pass through outlet
Conductor 1 leads to circuit breaker external, it is achieved that the galvanic circle of whole arc-chutes.
When breaker mechanism operates, impulsive force is delivered to be flexible coupling 6 by switching-on resistance contact 10, and 6 bufferings that are flexible coupling fall impact
Power, so that impulsive force will not pass to switching-on resistance sheet 3, it is to avoid the impulsive force impact on combined floodgate resistor disc 3.Additionally close a floodgate electricity
Resistance heap has independent insulating supporting structure, and therefore, the weight of switching-on resistance heap is born by two insulation supporting cylinders completely, and arc-chutes
Framework 12 need not bear the weight of switching-on resistance heap, and requirement of strength reduces, and improves reliability.
Therefore, SF6 breaker closing resistance of the present utility model specifically includes resistance loop structure with the attachment structure of arc-chutes,
Resistance supporting construction and arc-chutes major loop structure.
Described switching-on resistance loop include outlet conductor 1, switching-on resistance flange, switching-on resistance sheet 3, be flexible coupling 6, close a floodgate electricity
Resistance contact-support 8, switching-on resistance contact base 7, and switching-on resistance contact 10.Switching-on resistance fracture is by being flexible coupling 6 and side
Switching-on resistance Flange joint, then the switching-on resistance flange through switching-on resistance heap to other side, then by outlet conductor and metal
The shell external world is connected.
It is the switching-on resistance insulating supporting 5 being assemblied in switching-on resistance heap two ends switching-on resistance flange that described switching-on resistance supports, this conjunction
Lock resistance insulation is supported on metal shell.
Described arc-chutes major loop is by arc-chutes dynamic/static contact, to the quiet side flange of arc-chutes 9, then will by main circuit conductor 13
The quiet side flange of arc-chutes 9 and the switching-on resistance Flange joint of side, then be connected externally to metal shell by outlet conductor 1, formed
The electric loop in parallel with switching-on resistance loop.
Described be flexible coupling 6 include first pressing plate the 16, second pressing plate 18, first union joint the 15, second union joint 19, conduction
Soft ribbons 17, and screw 14.Wherein, the first and second union joints 15,19 and conduction soft ribbons 17 be all multilayer copper foil make and
Three is structure as a whole, and when this is flexible coupling connection member A and part B, the first union joint 15 is by the first pressing plate 16 and spiral shell
Following closely be connected fixing with components A, the second union joint 19 is connected by the second pressing plate 18 and screw are fixing with part B.
Embodiment 1
Fig. 1 show embodiment 1 of the present utility model, including outlet conductor 1, and the first switching-on resistance flange 2, switching-on resistance sheet 3,
Second switching-on resistance flange 4, switching-on resistance insulating supporting 5, it is flexible coupling 6, switching-on resistance contact base 7, switching-on resistance contact-support
8, the quiet side flange of arc-chutes 9, switching-on resistance contact 10, fracture insulating supporting 11, arc-chutes framework 12, the major loop of arc-chutes
Conductor 13.
Switching-on resistance loop include outlet conductor the 1, first and second switching-on resistance flange 2,4, switching-on resistance sheet 3, be flexible coupling 6,
Switching-on resistance contact-support 8, switching-on resistance contact base 7, and switching-on resistance contact 10.After switching-on resistance sheet 3 connection in series-parallel connects
Forming switching-on resistance heap, the first and second switching-on resistance flanges 2,4 are separately positioned on both sides and the electrical connection of switching-on resistance heap, often
Individual switching-on resistance flange all includes vertical portion and horizontal part, and wherein, the vertical portion of the first switching-on resistance flange 2 is directly and outlet conductor
1 connects, and the vertical portion of the second switching-on resistance flange 46 is connected on switching-on resistance contact base 7 by being flexible coupling, this switching-on resistance
Contact base 7 is connected by switching-on resistance contact-support side flange quiet with arc-chutes 9, plays a supportive role.Switching-on resistance contact electrically connects
On this switching-on resistance contact base 7.It is to say, switching-on resistance contact base 7 is by being flexible coupling 6 and the second switching-on resistance flange 4
Connect, then through switching-on resistance sheet the 3 to the first switching-on resistance flange 2, then by being connected to going out on the first switching-on resistance flange 2
Line conductor 1 is connected externally to metal shell.
Switching-on resistance supports and includes being assemblied in the switching-on resistance insulating supporting 5 at switching-on resistance heap two ends, this switching-on resistance insulating supporting 5
It is supported on metal shell.That is: switching-on resistance sheet 3 is connected into resistance heap and is assemblied in the first switching-on resistance flange 2 and second at two ends
On switching-on resistance flange 4, the first and second switching-on resistance flanges 2,4 are fixedly supported on metal shell by two insulating supportings 5 again
On.
Arc-chutes major loop structure is by the quiet side flange of arc-chutes dynamic/static contact to arc-chutes 9, then by main circuit conductor 13 by arc extinguishing
The quiet side flange in room 9 is connected with the first switching-on resistance flange 2, then by being connected to the outlet conductor 1 on the first switching-on resistance flange 2
It is connected with the external world, forms the electric loop in parallel with switching-on resistance loop.
When breaker mechanism operation is closed a floodgate, switching-on resistance contact 10 closes a floodgate prior to arc-chutes contact, with switching-on resistance contact 10
The switching-on resistance loop connected is connected, and is shifted to an earlier date by switching-on resistance in line attachment system, and the overvoltage energy major part on circuit consumes
On switching-on resistance sheet, then arc-chutes contact closes a floodgate, and the arc-chutes major loop being connected with arc-chutes contact is connected, by switching-on resistance
Loop short circuit, switching-on resistance is out of service.
This utility model achieves and flexibly connects between switching-on resistance sheet 3 and switching-on resistance contact 10, when breaker mechanism operates,
Impulsive force is delivered to be flexible coupling by switching-on resistance contact 10 and 6 is fallen impulsive force by 6 bufferings that are flexible coupling, so that impulsive force will not be transmitted
To switching-on resistance sheet 3, it is to avoid the impulsive force impact on combined floodgate resistor disc 3.Additionally switching-on resistance heap has independent supporting construction,
Supported by insulating supporting 5, can meet big quantity resistor disc arrange demand, and the fracture insulating supporting 11 of arc-chutes with go out
Arc chamber framework 12 is not subject to the weight of switching-on resistance, and requirement of strength reduces, and improves Mechanical Reliability.
Embodiment 2
Fig. 2 show embodiment 2 of the present utility model, including outlet conductor 1, and the first switching-on resistance flange 2, switching-on resistance sheet 3,
Second switching-on resistance flange 4, switching-on resistance insulating supporting 5, it is flexible coupling 6, switching-on resistance contact base 7, switching-on resistance contact-support
8, the quiet side flange of arc-chutes 9, switching-on resistance contact 10, fracture insulating supporting 11, arc-chutes framework 12, arc-chutes major loop is led
Body 13.
Switching-on resistance loop include outlet conductor the 1, first and second switching-on resistance flange 2,4, switching-on resistance sheet 3, be flexible coupling 6,
Switching-on resistance contact-support 8, switching-on resistance contact base 7, and switching-on resistance contact 10.After switching-on resistance sheet 3 connection in series-parallel connects
Forming switching-on resistance heap, the first and second switching-on resistance flanges 2,4 are separately positioned on both sides and the electrical connection of switching-on resistance heap, often
Individual switching-on resistance flange all includes vertical portion and horizontal part, and wherein, the vertical portion of the first switching-on resistance flange 2 is by being flexible coupling 6
Being connected with arc-chutes main circuit conductor 13, arc-chutes main circuit conductor 13 is connected with outlet conductor 1, the second switching-on resistance flange 4
Vertical portion 6 be connected on switching-on resistance contact base 7 by being flexible coupling, this switching-on resistance contact base 7 is propped up by switching-on resistance contact
Support 8 side flanges 9 quiet with arc-chutes are connected, and play a supportive role.Switching-on resistance contact 10 is connected electrically in this switching-on resistance contact base 7
On.That is switching-on resistance contact 10 6 is connected with the second switching-on resistance flange 4 by being flexible coupling, then through switching-on resistance sheet
3 to the first switching-on resistance flange 2, then 6 be connected with main circuit conductor 13 by being flexible coupling, then by outlet conductor 1 and metal shell
Extraneous connected.
Switching-on resistance supports and includes being assemblied in the switching-on resistance insulating supporting 5 at switching-on resistance heap two ends, this switching-on resistance insulating supporting 5
It is supported on metal shell.I.e. switching-on resistance sheet 3 is connected into resistance heap and is assemblied in first switching-on resistance flange 2 and second conjunction at two ends
On lock resistance flange 4, the first and second switching-on resistance flanges 2,4 are fixedly supported on gold by two switching-on resistance insulating supportings 5 again
Belong on shell.
Arc-chutes major loop structure is by the quiet side flange of arc-chutes dynamic/static contact to arc-chutes 9, then by main circuit conductor 13 by arc extinguishing
The quiet side flange in room 9 is joined directly together with outlet conductor 1, then is connected with the external world, forms the electric loop in parallel with switching-on resistance loop.
When breaker mechanism operation is closed a floodgate, switching-on resistance contact closes a floodgate prior to arc-chutes contact, is connected with switching-on resistance contact 10
Switching-on resistance loop connect, switching-on resistance is shifted to an earlier date in line attachment system, overvoltage energy on circuit major part is with heat energy shape
Formula consumes on switching-on resistance sheet, and then arc-chutes contact closes a floodgate, by arc-chutes contact, quiet side flange 9, main circuit conductor 13
Connecting with the major loop of outlet conductor 1 composition, by the short circuit of switching-on resistance loop, switching-on resistance is out of service.
This utility model achieves and flexibly connects between switching-on resistance sheet 3 and switching-on resistance contact 10, when breaker mechanism operates,
Impulsive force is delivered to be flexible coupling by switching-on resistance contact 10 union joint of 6 one end, then passes to the middle soft ribbons that is flexible coupling, middle soft
Band buffering falls impulsive force, so that impulsive force is not transferred to switching-on resistance sheet 3, it is to avoid the impulsive force shadow to combined floodgate resistor disc 3
Ringing, additionally switching-on resistance heap has independent supporting construction, switching-on resistance insulating supporting 5 support, and can meet big quantity resistor disc
The demand arranged, and arc-chutes fracture insulating supporting 11 is not subject to the weight of switching-on resistance, requirement of strength with arc-chutes framework 12
Reduce, improve Mechanical Reliability.
The foregoing is only specific embodiment of the utility model, but architectural feature of the present utility model is not limited to this, any ability
The technical staff in territory is in field of the present utility model, and change or the modification made all are contained in the scope of the claims of the present utility model.
Claims (8)
1. one kind is flexible coupling, and is used for connecting first component and second component, it is characterised in that: these be flexible coupling (6) include conduction soft ribbons (17),
The two ends of conduction soft ribbons are connected to the first and second union joints (15,19), for being connected with first component and second component,
Described first union joint and the second union joint (15,19) respectively by the first and second pressing plates (16,18) with first and second
Part is fastenedly connected.
One the most according to claim 1 is flexible coupling, it is characterised in that: the first described pressing plate and the second pressing plate pass through spiral shell respectively
Nail is fastenedly connected with the first and second parts.
One the most according to claim 1 is flexible coupling, it is characterised in that: described the first and second union joints (15,19) with
Conduction soft ribbons (17) is all that multilayer copper foil is made.
4. an attachment structure based on the switching-on resistance being flexible coupling described in any one in claims 1 to 3 Yu arc-chutes, is used for
In SF6 chopper, it is characterised in that: include switching-on resistance loop and the arc-chutes major loop being connected in parallel, wherein, combined floodgate circuit
Including the resistance heap of multiple resistor discs (3) connection in series-parallel composition, one end of this resistance heap is passed through the first switching-on resistance flange (2) and is gone out
Line conductor (1) connects, and the other end of this resistance heap is connected with switching-on resistance contact (10) by the second switching-on resistance flange (4)
Switching-on resistance contact base (7), described arc-chutes major loop is connected with outlet conductor (1) by main circuit conductor (13), institute
The the second switching-on resistance flange (4) stated connects switching-on resistance contact base (7) by be flexible coupling (6).
A kind of SF6 breaker closing resistance the most according to claim 4 and the attachment structure of arc-chutes, it is characterised in that: described
Switching-on resistance contact base (7) upper connection further have switching-on resistance contact-support (8), switching-on resistance contact base (7) is by closing
Lock resistance contact head supports (8) side flange quiet with arc-chutes (9) and is connected.
A kind of SF6 breaker closing resistance the most according to claim 4 and the attachment structure of arc-chutes, it is characterised in that: described
Attachment structure has farther included switching-on resistance supporting construction, including respectively with the first switching-on resistance flange and the second switching-on resistance flange
The switching-on resistance connected supports (5).
A kind of SF6 breaker closing resistance the most according to claim 4 and the attachment structure of arc-chutes, it is characterised in that: described
Arc-chutes main circuit conductor (13) is directly connected with outlet conductor (1) or arc-chutes main circuit conductor (13) is by the first conjunction
Lock resistance flange is connected with outlet conductor (1).
A kind of SF6 breaker closing resistance the most according to claim 7 and the attachment structure of arc-chutes, it is characterised in that: when going out
When arc chamber main circuit conductor (13) is directly connected with outlet conductor (1), this arc-chutes main circuit conductor (13) is by being flexible coupling
It is connected with the first switching-on resistance flange (2).
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CN201620525598.0U CN205789677U (en) | 2016-06-01 | 2016-06-01 | A kind of it is flexible coupling and attachment structure based on the switching-on resistance being flexible coupling Yu arc-chutes |
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CN201620525598.0U CN205789677U (en) | 2016-06-01 | 2016-06-01 | A kind of it is flexible coupling and attachment structure based on the switching-on resistance being flexible coupling Yu arc-chutes |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112397264A (en) * | 2019-08-15 | 2021-02-23 | 西安西电开关电气有限公司 | Resistor string and resistor disc thereof |
CN113820554A (en) * | 2021-08-24 | 2021-12-21 | 华明川 | Method for weakening electrodynamic destructive power and improving large current impact resistance of lightning arrester |
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2016
- 2016-06-01 CN CN201620525598.0U patent/CN205789677U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112397264A (en) * | 2019-08-15 | 2021-02-23 | 西安西电开关电气有限公司 | Resistor string and resistor disc thereof |
CN113820554A (en) * | 2021-08-24 | 2021-12-21 | 华明川 | Method for weakening electrodynamic destructive power and improving large current impact resistance of lightning arrester |
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