CN105977086B - Trigger device and the high voltage isolator with the trigger device - Google Patents
Trigger device and the high voltage isolator with the trigger device Download PDFInfo
- Publication number
- CN105977086B CN105977086B CN201610575558.1A CN201610575558A CN105977086B CN 105977086 B CN105977086 B CN 105977086B CN 201610575558 A CN201610575558 A CN 201610575558A CN 105977086 B CN105977086 B CN 105977086B
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- CN
- China
- Prior art keywords
- trigger device
- elastic parts
- protective cover
- protective plate
- movable contact
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/64—Protective enclosures, baffle plates, or screens for contacts
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
A kind of trigger device includes rotating shaft, movable contact spring, elastic parts and protective cover, the movable contact spring is rotatably connected in the rotating shaft, one end of the elastic parts is pressed on the movable contact spring, the protective cover includes the first protective plate, and first protective plate blocks the elastic parts by first direction.The present invention also provides a kind of electronic installation with the fixing device.In the present invention, protective cover is provided with the elastic parts of trigger device, protective cover covers at the surrounding of elastic parts, to carry out windproof and rain proof for elastic parts, avoids because the damage of elastic parts makes to be burned the pressing of trigger device and static contact head device is not tight.The present invention also provides a kind of high voltage isolator with the trigger device.
Description
Technical field
The present invention relates to power supply unit field, more particularly to a kind of trigger device and the high pressure with the trigger device
Disconnecting switch.
Background technology
Vertical half scissor disconnecting switch is a kind of typical outdoor equipment, and this number of devices is more, is widely used.Due to
The presence of the factor such as the influence of the damp and hot weather of southern region of China, humidity, sweltering heat, aging, corrosion, mechanical fatigue can reduce open air
The service life of equipment, in some instances it may even be possible to cause loose contact heating, mechanical tripping, mechanical malfunction, trigger the electric thing of power system
Therefore wait malignant event.
During long-term operating maintenance, maintainer has found that the vertical half scissor disconnecting switch jaw types of 220kV are dynamic and touched
There is the problem of serious corrosion in key components and parts compression spring in head.Compression spring original design shares 8, per one side 4
It is individual, totally 2 side, each compression spring stress 280N ± 10%.The consequence of the serious corrosion of compression spring, can cause its stress not exist
In the range of 280N ± 10%, jaw type moving contact may be caused to be pressed with annular fixed contact not tight, moving contact contacts electricity with static contact
Hinder excessive, long-time high current, which flows through contact surface, can cause its heating, and then burn out contact surface, finally burn out whole moving contact with
Static contact.
The content of the invention
Based on this, it is necessary to which providing one kind prevents in high voltage isolator compression spring corrosion to improve power system security
The trigger device of coefficient.
It there is a need to and a kind of high voltage isolator with the trigger device is provided.
A kind of trigger device, it includes rotating shaft, movable contact spring, elastic parts and protective cover, and the movable contact spring is rotatable
Ground is connected in the rotating shaft, and one end of the elastic parts is pressed on the movable contact spring, and it is anti-that the protective cover includes first
Backplate, first protective plate are blocked in outside the elastic parts by first direction.
In one of the embodiments, the protective cover includes second be connected at an angle with first protective plate
Protective plate, second protective plate are blocked in outside the elastic parts by second direction.
In one of the embodiments, the protective cover also includes connecting with first protective plate and second protective plate
The connecting plate connect, the connecting plate are blocked in outside the elastic parts by third direction.
In one of the embodiments, the trigger device includes rotational coupling mechanism, and the rotational coupling mechanism turns
Dynamic to be connected in the rotating shaft, one end of the elastic parts is fixed on the rotational coupling mechanism, the elastic parts
The other end is pressed on the movable contact spring.
In one of the embodiments, the elastic parts includes elastic component, and the elastic component presses on the company of rotation
Between connection mechanism and the protective cover, first protective plate, second protective plate, the connecting plate and the company of rotation
Connection mechanism encloses to form the Fencing protection space for blocking the elastic component jointly.
In one of the embodiments, the rotational coupling mechanism includes the fixation being rotationally connected with the rotating shaft
Seat, the protective cover are arranged between the fixed seat and the movable contact spring, and the elastic component is axially disposed at the fixation
Between seat and the protective cover；Blocked parallel to the elastic component axis direction in the elastic component on the first protective plate edge
Top, the connecting plate and the first protective plate vertical connection simultaneously block in the elastic component one close to the movable contact spring
Face, second protective plate are the two panels for being connected to opposite sides between first protective plate and the connecting plate, two panels institute
State the second protective plate and the fixed seat is docked and blocked jointly in the both sides of the elastic component and bottom.
In one of the embodiments, the elastic parts includes holder, and the holder compresses along the elastic component
Direction is arranged on the connecting plate, and the elastic component is sheathed on one end of the holder and is connected to the fixed seat and institute
Between stating connecting plate, the other end of the holder protrudes from outside the connecting plate and clamps the movable contact spring.
In one of the embodiments, the holder is integrally formed with the protective cover.
In one of the embodiments, the protective cover is made up with the holder of quality of rubber materials.
A kind of high voltage isolator includes static contact head device and trigger device, movable contact spring described in the trigger device
It can be clamped under external force on the static contact head device, and the trigger device is trigger device described above.
In the present invention, protective cover is provided with the elastic parts of trigger device, protective cover covers at elastic parts
Surrounding, to carry out windproof and rain proof for elastic parts, the damage because of elastic parts is avoided to make trigger device and static contact head device
Pressing is not tight and is burned.
Brief description of the drawings
Fig. 1 is the structural representation of present pre-ferred embodiments trigger device；
Fig. 2 is the structural representation of another angle of trigger device shown in Fig. 1；
Fig. 3 is the schematic diagram for the protective cover that elastic component is provided with trigger device shown in Fig. 1；
Fig. 4 is the schematic diagram of protective cover in trigger device shown in Fig. 3.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Fig. 1 and Fig. 2 is referred to, a preferred embodiment of the present invention mesohigh disconnecting switch (not shown) includes static contact head device
(not shown) and the trigger device 100 being electrically connected with by switching mode and static contact head device.In this specific embodiment,
High voltage isolator is the vertical half scissor disconnecting switch for open air.
Trigger device 100 includes rotating shaft 10, movable contact spring 20, rotational coupling mechanism 30, elastic parts 40 (as shown in Figure 3)
And protective cover 50.Rotating shaft 10 is substantially rotatably connected in rotating shaft 10 in cylinder, movable contact spring 20.Rotational coupling mechanism 30
It is rotationally connected with rotating shaft 10, one end of elastic parts 40 is fixed on rotational coupling mechanism 30, and the other end presses on movable contact spring
On 20, for providing clamping force when movable contact spring 20 and static contact head device clamp.Protective cover 50 is covered on elastic parts 40, is used
In playing a part of for the windproof and rain proof of elastic parts 40, to protect elastic parts 40, avoiding the damage because of elastic parts 40 from making
Contact apparatus 100 is not tight with static contact head device pressing and is burned.
Specifically, rotating shaft 10 is two to be arranged in parallel in the axial direction, and movable contact spring 20 includes being respectively arranged at two turns
Two groups on axle 10, every group of movable contact spring 20 is rotationally connected with every rotating shaft 10, and quantity is four.Two groups of phases of movable contact spring 20
Two rotating shafts 10 are extended in the same direction, and can under external force to deviate from or opposite direction carry out folding, with clamping
Or unclamp static contact head device.
Rotational coupling mechanism 30 is rotationally connected with two rotating shafts 10, with when two groups of foldings under external force of movable contact spring 20
When, rotated around two rotating shafts 10.Rotational coupling mechanism 30 includes support frame 31, fixed seat 33 and cursor 35.It is specific at this
In embodiment, fixed seat 33 is arranged at two groups of outsides of movable contact spring 20, and quantity is two.Cursor 35 is articulated with each fixed seat
Between 33 opposite ends and support frame 31.
Specifically, support frame 31 is substantially in I fonts, and it includes body frame 310 and is arranged at the support of the opposite end of body frame 310
312.Body frame 310 parallel to the axis direction of rotating shaft 10 along between separating and be arranged at two groups of movable contact springs 20, and two supports 312 are along vertical
Two groups of head and the tail both ends of movable contact spring 20 are relatively arranged in the axis direction of rotating shaft 10.
Each fixed seat 33 is substantially in T fonts, and it includes the first fixed part 330, be connected with the first fixed part 330 second
Fixed part 332 and connecting shaft 334.First fixed part 330 is arranged at the outside of movable contact spring 20 along the axis direction of parallel shaft 10,
One end of second fixed part 332 is connected with the first fixed part 330, and the other end is rotationally connected with rotating shaft 10.Connecting shaft 334 is along flat
The axis direction of row rotating shaft 10 is arranged at the first fixed part 330 close to the side of movable contact spring 20, and be arranged in homonymy four are dynamic tactile
Between piece 20, with when movable contact spring 20 under external force around the shaft 10 carry out folding when, the fixed seat 31 of push-and-pull respective side.
Cursor 35 is articulated between the first fixed part 330 and the abutting end of support 312.In this way, work as movable contact spring 20 outside
When being closed a floodgate under power effect, both sides fixed seat 33 is pulled to be moved to opposite direction, the folder between cursor 35 and support 312
Angle is tapered into, and support frame 31 is overall to be risen to away from the direction of rotating shaft 10；When movable contact spring 20 is opened a sluice gate under external force,
Both sides fixed seat 33 is promoted to be moved to the direction mutually deviated from, the angle between cursor 35 and support 312 becomes larger, support frame
31 is overall to close to the decline of the direction of rotating shaft 10.
Please include elastic component 41 and holder 43 referring to Fig. 3, elastic parts 40 in the lump.Elastic component 41 presses on rotation connection
Between mechanism 30 and protective cover 50, and compressive state is in all the time, to provide clamping force for movable contact spring 20.Holder 43 is along elasticity
The compression direction of part 41 is arranged on protective cover 50, and its relative both ends protrudes from outside protective cover 50 respectively.In this specific implementation
In example, elastic component 41 is compression spring.
Please it is arranged in the lump referring to Fig. 4, protective cover 50 between fixed seat 33 and movable contact spring 20, and including the first protective plate
51st, the second protective plate 52 and connecting plate 53.Wherein, the first protective plate 51 is connected at an angle with the second protective plate 52, even
Fishplate bar 53 is connected between the first protective plate 51 and the second protective plate 52.First protective plate 51, the second protective plate 52 and connection
Plate 53 respectively in the first direction, second direction and third direction block outside elastic parts 40, it is and common with rotational coupling mechanism 30
It is same to enclose to form the Fencing protection space (not shown) for blocking elastic component 41.
Specifically, the first protective plate 51 and the vertical connection of connecting plate 53 are in inverted L shape, and it is anti-that the second protective plate 52 is connected to first
Relative both sides between backplate 51 and connecting plate 53.Holder 43 is arranged on connecting plate 53 along the compression direction of elastic component 41, its
Relative both ends protrude from outside connecting plate 53 respectively.Elastic component 41 is sheathed on holder 43 towards the first protective plate 51 vertically
One end, and be connected between the first fixed part 330 and connecting plate 53.
First protective plate 51 is blocked in the top of elastic component 41 (i.e. above-mentioned first party along parallel to the axis direction of elastic component 41
To), the vertical connection of 53 and first protective plate of connecting plate 51 simultaneously blocks one side (the i.e. elastic component in elastic component 41 close to movable contact spring 20
41 rears, also it is above-mentioned third direction), two panels the second protective plate 52 and the first fixed part 330 are docked and blocked jointly in elasticity
The both sides (i.e. the left and right sides of elastic component 41, be also above-mentioned second direction) of part 41 and bottom.
In this specific embodiment, holder 43 is integrally formed with connecting plate 53 in protective cover 50, to substitute original jaw type
The rubber pullover of elastic component 41 in trigger device 100, and holder 43 is that quality of rubber materials is made with protective cover 50.Other
In some embodiments, holder 43 can be also separately provided with protective cover 50, after elastic component 41 is sheathed on holder 43, protective cover
50 interference are arranged on holder 43 so that on the basis of original structure of trigger device 100 is not changed, increase protective cover 50
Elastic component 41 is protected.
In addition, the structure of protective cover 50 can as needed depending on, need to only play protective action to elastic component 41,
Such as protective cover 50 only sets the first protective plate 51, the first protective plate 51 is fixedly connected on the first fixed part 330, to be erected on
The top of elastic component 41, is not limited thereto.
Extending direction of the other end that holder 43 is protruded from outside connecting plate 53 along movable contact spring 20 offers in-line clip slot
430, with the corresponding movable contact spring 20 of clamping.In this specific embodiment, elastic parts 40 include respectively with eight movable contact springs 20 one by one
Corresponding eight, each holder 43 is held on corresponding movable contact spring 20.
Fig. 1 is refer to, trigger device 100 also includes the diversion rod 60 being arranged on movable contact spring 20, and diversion rod 60 is used for
The moment progress water conservancy diversion of conduction is contacted with static contact head device in movable contact spring 20, to protect movable contact spring 20 and static contact head device, is avoided
Burnt out because electric current is excessive.
In the present invention, protective cover 50 is provided with the elastic parts 40 of trigger device 100, protective cover 50 covers at bullet
Property component 40 surrounding, to for elastic parts 40 carry out windproof and rain proof, avoid the damage because of elastic parts 40 from filling moving contact
100 are put to press not tight with static contact head device and be burned；In addition, protective cover 50 is made of rubber, anti-aging and insulating properties
It is good；In addition, the rubber pullover of compression spring and real with compression spring in the alternative original jaw type trigger device 100 of protective cover 50
Now it is seamlessly connected, is fixed without other modes, assembling is simply and conveniently.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, multiple modification and improvement can also be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
- A kind of 1. trigger device, it is characterised in that：Including rotating shaft, movable contact spring, elastic parts and protective cover, the movable contact spring It is rotationally connected with the rotating shaft and diversion rod is set on the movable contact spring, one end of the elastic parts presses on described move On contact, the protective cover includes the first protective plate, and first protective plate is blocked in outside the elastic parts by first direction； The protective cover includes the second protective plate being connected at an angle with first protective plate, and second protective plate is by second Block in outside the elastic parts in direction；The protective cover also includes being connected with first protective plate and second protective plate Connecting plate, the connecting plate blocked in outside the elastic parts by third direction；The trigger device includes rotation connection Mechanism, the rotational coupling mechanism are rotationally connected with the rotating shaft, and the company of rotation is fixed in one end of the elastic parts On connection mechanism, the other end of the elastic parts is pressed on the movable contact spring；The elastic parts includes elastic component, the bullet Property part is pressed between the rotational coupling mechanism and the protective cover, first protective plate, second protective plate, described Connecting plate and the rotational coupling mechanism enclose to form the Fencing protection space for blocking the elastic component jointly；The rotation Bindiny mechanism includes the fixed seat being rotationally connected with the rotating shaft, and the protective cover is arranged at the fixed seat and moved with described Between contact, the elastic component is axially disposed between the fixed seat and the protective cover and is in compressive state all the time； Blocked parallel to the elastic component axis direction in the top of the elastic component, the connecting plate and institute on the first protective plate edge State the first protective plate vertical connection and block the one side in the elastic component close to the movable contact spring, second protective plate is company The two panels of opposite sides between first protective plate and the connecting plate is connected to, the second protective plate and the fixation described in two panels Seat is docked and blocked jointly in the both sides of the elastic component and bottom.
- 2. trigger device as claimed in claim 1, it is characterised in that：The elastic parts includes holder, the clamping Part is arranged on the connecting plate along the elastic component compression direction, and the elastic component is sheathed on one end of the holder and supported It is connected between the fixed seat and the connecting plate, the other end of the holder is protruded from outside the connecting plate and described in clamping Movable contact spring.
- 3. trigger device as claimed in claim 2, it is characterised in that：The holder is integrally formed with the protective cover.
- 4. trigger device as claimed in claim 2, it is characterised in that：The protective cover is with the holder by quality of rubber materials It is made.
- A kind of 5. high voltage isolator, it is characterised in that：Including static contact head device and trigger device, in the trigger device The movable contact spring is clamped on the static contact head device under external force, and the trigger device is the claims 1- Trigger device described in 4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575558.1A CN105977086B (en) | 2016-07-19 | 2016-07-19 | Trigger device and the high voltage isolator with the trigger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575558.1A CN105977086B (en) | 2016-07-19 | 2016-07-19 | Trigger device and the high voltage isolator with the trigger device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105977086A CN105977086A (en) | 2016-09-28 |
| CN105977086B true CN105977086B (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610575558.1A Active CN105977086B (en) | 2016-07-19 | 2016-07-19 | Trigger device and the high voltage isolator with the trigger device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105977086B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572539Y (en) * | 2002-09-28 | 2003-09-10 | 杜乐田 | Outdoor high voltage isolating switch |
| CN201340822Y (en) * | 2009-01-16 | 2009-11-04 | 丹东枫达电力设备制造有限公司 | Outdoor alternating-current high voltage isolating switch |
| CN201893247U (en) * | 2009-09-28 | 2011-07-06 | 伊顿公司 | Electrical switch device and shielding device for same |
| CN203760327U (en) * | 2014-04-02 | 2014-08-06 | 人民电器集团有限公司 | Movable contact protective cover |
| CN205943908U (en) * | 2016-07-19 | 2017-02-08 | 广州供电局有限公司 | Moving contact and have this moving contact's high voltage isolator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100881361B1 (en) * | 2007-07-12 | 2009-02-02 | 엘에스산전 주식회사 | Movable contactor for air circuit breaker with protecting mechanism of contact spring |
-
2016
- 2016-07-19 CN CN201610575558.1A patent/CN105977086B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572539Y (en) * | 2002-09-28 | 2003-09-10 | 杜乐田 | Outdoor high voltage isolating switch |
| CN201340822Y (en) * | 2009-01-16 | 2009-11-04 | 丹东枫达电力设备制造有限公司 | Outdoor alternating-current high voltage isolating switch |
| CN201893247U (en) * | 2009-09-28 | 2011-07-06 | 伊顿公司 | Electrical switch device and shielding device for same |
| CN203760327U (en) * | 2014-04-02 | 2014-08-06 | 人民电器集团有限公司 | Movable contact protective cover |
| CN205943908U (en) * | 2016-07-19 | 2017-02-08 | 广州供电局有限公司 | Moving contact and have this moving contact's high voltage isolator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105977086A (en) | 2016-09-28 |
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Effective date of registration: 20200921 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |