CN105356350A - Insulated protector in universal breaker - Google Patents
Insulated protector in universal breaker Download PDFInfo
- Publication number
- CN105356350A CN105356350A CN201510777001.1A CN201510777001A CN105356350A CN 105356350 A CN105356350 A CN 105356350A CN 201510777001 A CN201510777001 A CN 201510777001A CN 105356350 A CN105356350 A CN 105356350A
- Authority
- CN
- China
- Prior art keywords
- dividing plate
- push pedal
- jack
- partition
- seat
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/24—Shutters or guards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
Abstract
The invention discloses an insulated protector in a universal breaker. The protector comprises a contact casing formed by connecting a backseat with a separator plate seat, the separator plate seat is provided with six jack arranged in two rows, an isolator is arranged outside the separator plate seat and comprises a first separator plate and a second separator plate, and each separator plate is provided with through holes at positions corresponding to the jacks; when a conductive busbar is inserted into the jacks, the first separator plate and the second separator plate move to positions that the through holes of the separator plates just face the corresponding jacks, so that the conductive busbar penetrates the through holes and jacks and is connected with a bridge-shaped contact; and after that the conductive busbar is withdrawn from the jacks, the first separator plate and the second separator plate move to positions that jacks in the upper and lower rows are enclosed. According to the structure of the protector, it can be ensured that when the breaker body is in a disconnected position, the conductive busbar is reliably insulated from the bridge-shaped contact, and the protection performance is high.
Description
Technical field
The present invention relates to omnipotent breaker field of structural design, be specifically related to insulation protecting device in a kind of omnipotent breaker.
Background technology
Omnipotent breaker is also known as frame-type circuit breaker: can connect, carry and electric current under disjunction normal circuit condition, also can connect under the improper circuit condition of regulation, a kind of mechanical switch electrical equipment of carrying certain hour and breaking current.When the breaker body of omnipotent breaker is electrically connected with drawout chassis, breaker body moves inwardly into by disjunction position the bridge shape hoe grafting that on-position makes conductive bus bar and drawout chassis on it, when cut-out breaker body is electrically connected with drawout chassis, breaker body outwards moves to disjunction position by on-position makes the conductive bus bar on breaker body be separated with the bridge-shaped contact on drawout chassis.Existing omnipotent breaker Problems existing is, limit by breaker structure, when breaker body is in disjunction position, conductive bus bar and bridge-shaped contact insulate and are only air insulation, and air insulation clearance is little, this just causes insulating protection poor-performing, there is potential potential safety hazard.
Summary of the invention
To this, the present invention aims to provide a kind of when breaker body is in disjunction position, insulation protecting device in the superior reliable omnipotent breaker of insulation property between conductive bus bar and bridge-shaped contact.
The technical scheme realizing the object of the invention is:
Insulation protecting device in a kind of omnipotent breaker, comprise the contact shell connected and composed by back seat and dividing plate seat, described dividing plate seat is provided with the jack being suitable for connecting through the bridge-shaped contact corresponding with in contact shell for conductive bus bar on breaker body, six described jacks are that two rows are arranged, outside removable being provided with of described dividing plate seat exits jack described in described jack rear enclosed at described conductive bus bar, and the spacer assembly opened when described conductive bus bar inserts described jack.
In technique scheme, described spacer assembly comprises and is removably set on described dividing plate seat outside and the first relatively independent dividing plate and second partition, and be suitable for the push pedal assembly driving described first dividing plate and described second partition movement, on described first dividing plate and described second partition, the position corresponding with each jack is provided with perforation, when described conductive bus bar inserts described jack, described push-rod assembly drives described first dividing plate and described second partition to move to the position that on it, perforation is just right with corresponding jack respectively, be connected with described bridge-shaped contact through described perforation and described jack for described conductive bus bar, after described conductive bus bar exits described jack, described push-rod assembly drives described first dividing plate and described second partition to move to the position of the jack of the row of closing and the jack of lower row respectively.
In technique scheme, described dividing plate seat both sides external edge forms the guiding groove being suitable for guiding the movement in the vertical direction of described first dividing plate and described second partition, and the dual-side of described first dividing plate and described second partition lays respectively in the guiding groove of respective side.
In technique scheme, described push pedal assembly comprises the push pedal seat be located at inside described dividing plate seat, described push pedal seat is provided with the push pedal stopper slot arranged perpendicular to described dividing plate seat, be provided with in described push pedal stopper slot for drive described first dividing plate and described second partition in the vertical direction movement push pedal and provide the spring of outside elastic force for described push pedal, described dividing plate seat, on described first dividing plate and described second partition, the position corresponding with described push pedal stopper slot is respectively arranged with the first resigning hole for described push pedal activity, second resigning hole and the 3rd resigning hole, the both sides of described push pedal form respectively be suitable for coordinating with first guide groove at described second resigning hole edge first guide raised line and be suitable for coordinating with second guide groove at described 3rd resigning hole edge second guide raised line, the first tilting section and the second tilting section that described first guides raised line and described second to guide relative position on raised line to be respectively equipped with has angle with described push pedal moving direction, the front end of described first tilting section is connected with the first straightway arranged along push pedal length direction, described first tilting section is inclined upwardly from front to back gradually, the front end of described second tilting section is connected with the second straightway arranged along push pedal length direction, described second tilting section is downward-sloping gradually from front to back, described first dividing plate is driven to move in the vertical direction to make to be coordinated with described first tilting section by the first guide groove when described push pedal is moved, coordinated by described second guide groove and described second tilting section drives described second partition to move towards the direction contrary with described first dividing plate moving direction in the vertical direction simultaneously, the rear end of described push pedal namely form near one end of described back seat for spacing its keep out boss.
The present invention has positive effect: in omnipotent breaker of the present invention in insulation protecting device, outside removable being provided with of described dividing plate seat exits jack described in described jack rear enclosed at described conductive bus bar, and the spacer assembly opened when described conductive bus bar inserts described jack, so, when breaker body is in disjunction position, conductive bus bar and bridge-shaped contact can effectively be separated by the existence of spacer assembly, thus superior reliable insulation property between conductive bus bar and bridge-shaped contact can be guaranteed, and then eliminate potential potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the three-dimensional view of insulation protecting device in omnipotent breaker in the present invention;
Fig. 2 is the cutaway view of insulation protecting device in omnipotent breaker shown in Fig. 1;
Fig. 3 is the explosive view of insulation protecting device in omnipotent breaker shown in Fig. 1;
Fig. 4 is in the present invention, the structural representation of described push pedal;
Fig. 5 is for from structural representation during push pedal shown in another angle views Fig. 4;
Fig. 6 is in the present invention, the structural representation of described first dividing plate and described second partition.
Reference numeral shown in figure is: 1-back seat; 2-dividing plate seat; 21-jack; 22-guiding groove; 23-spring; 24-push pedal seat; 25-push pedal stopper slot; 26-first resigning hole; 3-first dividing plate; 31-second resigning hole; 32-first guide groove; 4-second partition; 41-the 3rd resigning hole; 42-second guide groove; 5-bores a hole; 6-push pedal; 61-first guides raised line; 62-second guides raised line; 63-keeps out boss; 64-first tilting section; 65-second tilting section; 66-first straightway; 67-second straightway.
Embodiment
Do to illustrate to the concrete structure of insulation protecting device in omnipotent breaker in the present invention below in conjunction with Figure of description:
Insulation protecting device in a kind of omnipotent breaker, be fixed on drawout chassis, its structure as shown in Figure 1 to Figure 3, comprise the contact shell connected and composed by back seat 1 and dividing plate seat 2, described dividing plate seat 2 is provided with the described jack 21 of jack 21, six being suitable for connecting through the bridge-shaped contact (not shown) corresponding with in contact shell for conductive bus bar (not shown) on breaker body and arranges in two rows; Outside removable being provided with of described dividing plate seat 2 exits jack 21 described in described jack 21 rear enclosed at described conductive bus bar, and the spacer assembly opened when described conductive bus bar inserts described jack 21.By adopting the structure in the present embodiment, when breaker body is in disjunction position, conductive bus bar and bridge-shaped contact can effectively be separated by the existence of spacer assembly, thus can guarantee superior reliable insulation property between conductive bus bar and bridge-shaped contact, and then eliminate potential potential safety hazard.
Spacer assembly described in the present embodiment comprises and is removably set on described dividing plate seat 2 outside and the first relatively independent dividing plate 3 and second partition 4, and be suitable for the push pedal assembly driving described first dividing plate 3 and described second partition 4 movement, on described first dividing plate 3 and described second partition 4, the position corresponding with each jack 21 is provided with perforation 5, when described conductive bus bar inserts described jack 21, described push-rod assembly drives described first dividing plate 3 and described second partition 4 to move to the position just right with corresponding jack 21 of perforation 5 on it respectively, be connected with described bridge-shaped contact through described perforation 5 and described jack 21 for described conductive bus bar, after described conductive bus bar exits described jack 21, described push-rod assembly drives described first dividing plate 3 and described second partition 4 to move to the position of the jack 21 of the row of closing and the jack 21 of lower row respectively, namely corresponding jack 21 is blocked by the movement of the first dividing plate 3 and second partition 4, blocked the jack 21 of upper row by described first dividing plate 3 in such scheme, the jack 21 of lower row is blocked by described second partition 4, the designs simplification of this spacer assembly is reasonable, cost is low, and there is good result of use.
Further, described dividing plate seat 2 both sides external edge in the present embodiment forms the guiding groove 22 being suitable for guiding the movement in the vertical direction of described first dividing plate 3 and described second partition 4, the dual-side of described first dividing plate 3 and described second partition 4 lays respectively in the guiding groove 22 of respective side, so, described first dividing plate 3 and described second partition 4 pass through move in the vertical direction respectively thus close described jack 21 when breaker body is in separation point position and open described jack 21 when breaker body is in on-position under the guiding of guiding groove 22, its designs simplification is reasonable.
Further again, referring to Fig. 3 to Fig. 6, described push pedal assembly in the present embodiment comprises the dividing plate seat 2 be located at inside described push pedal seat 21, described dividing plate seat 2 can be fixed on inside described push pedal seat 21, also can be one-body molded with dividing plate seat 2, described push pedal seat 24 is provided with the push pedal stopper slot 25 arranged perpendicular to described dividing plate seat 2, be provided with in described push pedal stopper slot 25 for drive described first dividing plate 3 and described second partition 4 in the vertical direction movement push pedal 6 and provide the spring 23 of outside elastic force for described push pedal 6, described dividing plate seat 2, on described first dividing plate 3 and described second partition 4, the position corresponding with described push pedal stopper slot 25 is respectively arranged with the first resigning hole 26 for described push pedal 6 activity, second resigning hole 31 and the 3rd resigning hole 41, the both sides of described push pedal 6 form respectively be suitable for coordinating with first guide groove 32 at described second resigning hole 31 edge first guide raised line 61 and be suitable for coordinating with second guide groove 42 at described 3rd resigning hole 41 edge second guide raised line 62, the first tilting section 64 and the second tilting section 65 that described first guides raised line 61 and described second to guide relative position on raised line 62 to be respectively equipped with has angle with described push pedal 6 moving direction, the front end (one end near breaker body) of described first tilting section 64 is connected with the first straightway 66 arranged along push pedal 6 length direction, described first tilting section 64 is inclined upwardly from front to back gradually, the front end (one end near breaker body) of described second tilting section 65 is connected with the second straightway 67 arranged along push pedal 6 length direction, described second tilting section 65 is downward-sloping gradually from front to back, described first dividing plate 3 is driven to move in the vertical direction to make to be coordinated with described first tilting section 64 by the first guide groove 32 when described push pedal 6 is moved, coordinated by described second guide groove 42 and described second tilting section 65 drives described second partition 4 to move towards the direction contrary with described first dividing plate 3 moving direction in the vertical direction simultaneously, the rear end of described push pedal 6 namely near one end of described back seat 1 also namely away from one end of described breaker body form for spacing its keep out boss 63.Adopt said structure can realize breaker body and to the moving process of disjunction position, control the first dividing plate 3 from disjunction position in the process of on-position movement with from on-position and second partition 4 moves, thus close and open described jack 21, its designs simplification is feasible, cheap, insulation effect is good.
Specific works process is as follows: first when breaker body is in disjunction position, described push pedal 6 under the effect of described spring 23 through described first resigning hole 26, second resigning hole 31 and the 3rd resigning hole 41 are against on described breaker body, now the jack 21 of upper row is blocked by the first dividing plate 3, the jack 21 of corresponding lower row is blocked by described second partition 4, when described breaker body is moved to on-position by disjunction position, described push pedal 6 is promoted move inward and compress described spring 23 by breaker body, in the process, the first tilting section 64 on described first guiding raised line 61 can promote the first dividing plate 3 time mobile in described first guide groove 32 and move down, the second tilting section 65 simultaneously on described second guiding raised line 62 promotes described second partition 4 time mobile in described second guide groove 42 and moves up, and before described conductive bus bar enters described jack 21, make the perforation 5 on the first dividing plate 3 and second partition 4 move to the position just right with corresponding jack 21, enter for conductive bus bar, along with breaker body continues to advance to on-position, first straightway 66 of described first guiding raised line 61 enters the first guide groove 32, second straightway 67 of described second guiding raised line 62 enters the second guide groove 42, thus the first dividing plate 3 and described second partition 4 no longer move when guaranteeing that breaker body continues to advance, namely guarantee that conductive bus bar enters the rear perforation 5 of jack 21 and is in the position just right with jack 21 always, when breaker body is moved to disjunction position by on-position, described push pedal 6 outwards movement under the effect of described spring 23, when conductive bus bar exits completely in jack 21, described first guides the first tilting section 64 on raised line 61 when through described first guide groove 32, promote the first dividing plate 3 moves up, simultaneously described second guide the second tilting section 65 on raised line 62 when through described second guide groove 42, promote described second partition 4 to move down, when described breaker body moves to disjunction position or before by completely closed for described jack 21.
As a kind of distressed structure of above-described embodiment, in practical operation, described spacer assembly also can adopt the spacer assembly only comprising one piece of dividing plate moving up and down, and can its action of Non-follow control, to arrive the object closing and open jack 21.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (4)
1. insulation protecting device in an omnipotent breaker, comprise the contact shell connected and composed by back seat (1) and dividing plate seat (2), described dividing plate seat (2) is provided with the jack (21) being suitable for connecting through the bridge-shaped contact corresponding with in contact shell for conductive bus bar on breaker body, and six described jacks (21) are arranged in two rows; It is characterized in that, outside removable being provided with of described dividing plate seat (2) exits jack (21) described in described jack (21) rear enclosed at described conductive bus bar, and the spacer assembly opened when described conductive bus bar inserts described jack (21).
2. insulation protecting device in omnipotent breaker according to claim 1, it is characterized in that, described spacer assembly comprises and is removably set on described dividing plate seat (2) outside and relatively independent the first dividing plate (3) and second partition (4), and be suitable for the push pedal assembly driving described first dividing plate (3) and described second partition (4) movement, described first dividing plate (3) and the upper position corresponding with each jack (21) of described second partition (4) are provided with bore a hole (5), when described conductive bus bar inserts described jack (21), described push-rod assembly drives described first dividing plate (3) and described second partition (4) to move to the position that on it, perforation (5) is just right with corresponding jack (21) respectively, be connected with described bridge-shaped contact through described perforation (5) and described jack (21) for described conductive bus bar, after described conductive bus bar exits described jack (21), described push-rod assembly drives described first dividing plate (3) and described second partition (4) to move to the position of the jack (21) of the row of closing and the jack (21) of lower row respectively.
3. insulation protecting device in omnipotent breaker according to claim 2, it is characterized in that, described dividing plate seat (2) both sides external edge forms the guiding groove (22) being suitable for guiding the movement in the vertical direction of described first dividing plate (3) and described second partition (4), and the dual-side of described first dividing plate (3) and described second partition (4) lays respectively in the guiding groove (22) of respective side.
4. insulation protecting device in omnipotent breaker according to claim 3, it is characterized in that, described push pedal assembly comprises the push pedal seat (24) being located at described dividing plate seat (2) inner side, described push pedal seat (24) is provided with the push pedal stopper slot (25) arranged perpendicular to described dividing plate seat (2), be provided with in described push pedal stopper slot (25) for drive described first dividing plate (3) and described second partition (4) in the vertical direction movement push pedal (6) and provide the spring (23) of outside elastic force for described push pedal (6), described dividing plate seat (2), described first dividing plate (3) and the upper position corresponding with described push pedal stopper slot (25) of described second partition (4) are respectively arranged with for movable the first resigning hole (26) of described push pedal (6), second resigning hole (31) and the 3rd resigning hole (41), the both sides of described push pedal (6) form respectively be suitable for coordinating with first guide groove (32) at described second resigning hole (31) edge first guide raised line (61) and be suitable for coordinating with second guide groove (42) at described 3rd resigning hole (41) edge second guide raised line (62), described first guides raised line (61) and described second to guide the upper relative position of raised line (62) to be respectively equipped with the first tilting section (64) and the second tilting section (65) that have angle with described push pedal (6) moving direction, the front end of described first tilting section (64) is connected with the first straightway (66) arranged along push pedal (6) length direction, described first tilting section (64) is inclined upwardly from front to back gradually, the front end of described second tilting section (65) is connected with the second straightway (67) arranged along push pedal (6) length direction, described second tilting section (65) is downward-sloping gradually from front to back, described first dividing plate (3) is driven to move in the vertical direction to make to be coordinated with described first tilting section (64) by the first guide groove (32) when described push pedal (6) is mobile, coordinated by described second guide groove (42) and described second tilting section (65) drives described second partition (4) to move towards the direction contrary with described first dividing plate (3) moving direction in the vertical direction simultaneously, the rear end of described push pedal (6) namely form near one end of described back seat (1) for spacing its keep out boss (63).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510777001.1A CN105356350A (en) | 2015-11-13 | 2015-11-13 | Insulated protector in universal breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510777001.1A CN105356350A (en) | 2015-11-13 | 2015-11-13 | Insulated protector in universal breaker |
Publications (1)
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CN105356350A true CN105356350A (en) | 2016-02-24 |
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Family Applications (1)
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CN201510777001.1A Pending CN105356350A (en) | 2015-11-13 | 2015-11-13 | Insulated protector in universal breaker |
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CN (1) | CN105356350A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106206182A (en) * | 2016-08-10 | 2016-12-07 | 湖北世纪森源电气集团有限公司 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
CN108365553A (en) * | 2018-05-18 | 2018-08-03 | 上海良信电器股份有限公司 | Omnipotent breaker safety door |
CN113302808A (en) * | 2019-01-17 | 2021-08-24 | Ls电气株式会社 | Safety baffle of leading-out air circuit breaker |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201113283Y (en) * | 2007-09-14 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂) | Safety shield switch device for drawer-type breaker |
CN101692536A (en) * | 2009-09-03 | 2010-04-07 | 杭州之江开关股份有限公司 | Sliding device of drawout breaker safe closing plate |
CN202840340U (en) * | 2012-09-11 | 2013-03-27 | 杭州之江开关股份有限公司 | Underframe of drawout chassis of universal breaker |
-
2015
- 2015-11-13 CN CN201510777001.1A patent/CN105356350A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201113283Y (en) * | 2007-09-14 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂) | Safety shield switch device for drawer-type breaker |
CN101692536A (en) * | 2009-09-03 | 2010-04-07 | 杭州之江开关股份有限公司 | Sliding device of drawout breaker safe closing plate |
CN202840340U (en) * | 2012-09-11 | 2013-03-27 | 杭州之江开关股份有限公司 | Underframe of drawout chassis of universal breaker |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106206182A (en) * | 2016-08-10 | 2016-12-07 | 湖北世纪森源电气集团有限公司 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
CN106206182B (en) * | 2016-08-10 | 2018-07-20 | 湖北世纪森源电气集团有限公司 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
CN108365553A (en) * | 2018-05-18 | 2018-08-03 | 上海良信电器股份有限公司 | Omnipotent breaker safety door |
CN113302808A (en) * | 2019-01-17 | 2021-08-24 | Ls电气株式会社 | Safety baffle of leading-out air circuit breaker |
JP2022518215A (en) * | 2019-01-17 | 2022-03-14 | エルエス、エレクトリック、カンパニー、リミテッド | Safety shutter of drawer type aerial circuit breaker |
EP3913756A4 (en) * | 2019-01-17 | 2022-03-16 | Ls Electric Co., Ltd. | Safety shutter of withdrawable air circuit breaker |
US11515102B2 (en) | 2019-01-17 | 2022-11-29 | Ls Electric Co., Ltd. | Safety shutter of withdrawable air circuit breaker |
JP7331114B2 (en) | 2019-01-17 | 2023-08-22 | エルエス、エレクトリック、カンパニー、リミテッド | Safety shutter for drawer type air circuit breaker |
CN113302808B (en) * | 2019-01-17 | 2023-10-13 | Ls电气株式会社 | Safety baffle of extraction type air circuit breaker |
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