CN102683091A - 24KV inflatable cabinet load switch - Google Patents
24KV inflatable cabinet load switch Download PDFInfo
- Publication number
- CN102683091A CN102683091A CN2012101491660A CN201210149166A CN102683091A CN 102683091 A CN102683091 A CN 102683091A CN 2012101491660 A CN2012101491660 A CN 2012101491660A CN 201210149166 A CN201210149166 A CN 201210149166A CN 102683091 A CN102683091 A CN 102683091A
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- contact
- main shaft
- load switch
- grounding
- switch
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- Elimination Of Static Electricity (AREA)
Abstract
The invention relates to a 24KV inflatable cabinet load switch, belonging to the technical field of electric switches. The 24KV inflatable cabinet load switch comprises a switch skeleton, wherein the switch skeleton comprises an upper contact support, a lower contact support, a front panel and a rear panel, the upper contact support and the lower contact support are respectively connected with three upper conducting rods and three lower conducting rods, the upper conducting rods and the lower conducting rods are corresponding up and down, the lower end of each upper conducting rod is connected with an upper static contact, the upper end of each lower conducting rod is connected with a lower static contact, a grounding connection plate is arranged between the upper parts at the left sides of the front panel and the rear panel, the inner side of the grounding connection plate is connected with three grounding contacts, the suspension end of each grounding contact is vertical to a connecting line between grounding contacts of each lower static contact and penetrates through the axis of a spindle, the spindle is supported on the front panel and the rear panel, the spindle is vertically connected with three movable contacts at intervals, when the switch is turned on, the two ends of each movable contact are respectively contacted with each upper static contact and each lower static contact, when the spindle rotates clockwise, the two ends of each movable contact are respectively contacted with each lower static contact and each grounding contact. The 24KV inflatable cabinet load switch disclosed by the invention has a simple structure, less components, small volume and simple layout, volume of a box body which is used for containing the 24KV inflatable cabinet load switch disclosed by the invention is reduced, and manufacturing cost is saved.
Description
Technical field
The present invention relates to a kind of electric switch technical field, refer to a kind of 24KV inflation cabinet on-load switch especially.
Background technology
The alternate centre-to-centre spacing of existing gas isolated 24KV inflation cabinet on-load switch is bigger, and single-phase volume is also bigger, so its integral body is bigger than normal, and when being installed in the inflation cabinet, the volume of stainless steel gas tank makes the manufacturing cost increase relatively greatly.
Summary of the invention
The object of the present invention is to provide a kind of 24KV inflation cabinet on-load switch, its parts simple in structure are few, the small and exquisite layout of overall volume succinct, make the casing volume of placing it reduce greatly, saved the cost cost.
To achieve these goals; Technical solution of the present invention is: a kind of 24KV inflation cabinet on-load switch; Comprise main shaft by operating mechanism control; Wherein also comprise the switch skeleton; Said switch skeleton comprises front panel and the rear board that upper and lower contact bearing of being processed by insulating material and the metal material that is connected in the forward and backward side of upper and lower contact bearing are processed, and respectively by three upward conducting rod and three the following conducting rods of being equipped with at vertical behind the forward direction and interval, three said upward conducting rods are corresponding up and down with three following conducting rods on the said upper and lower contact bearing; Three said lower ends of going up conducting rod connect three upper static contacts respectively; The tops of three said down conducting rods are respectively equipped with down fixed contact, and said fixed contact down is by the following stationary contact that is connected with following conducting rod upper end, constituting to the connecting plate of upper right side inclination and the grounding contact end that is positioned on the connecting plate of being connected with following stationary contact, three said under fixed contact all parallel with front and back panels; Be connected with the earth lug that metal material is processed between said front panel left upper portion and the rear board left upper portion; The medial surface of said earth lug is connected with at interval three grounding contacts after by forward direction, and the line between the grounding contact end of suspend end and each time fixed contact of each said grounding contact is crossed the axis of main shaft, and with the axis normal of main shaft; Said main shaft is installed between the upper and lower contact bearing; The front and back ends of said main shaft is supported on respectively on the front and back panels, is connected with three moving contacts by perpendicular separation behind the forward direction on the said main shaft, and the upper and lower end of each said moving contact passes the above and below of main shaft respectively; Each said moving contact all passes through the axis of main shaft; The two ends of each said moving contact equal the distance of each upper static contact to main shaft to the distance of main shaft, equal the following stationary contact, ground connection link of each time fixed contact distance to main shaft, equal the distance of each grounding contact to main shaft.
24KV inflation cabinet on-load switch of the present invention, the top of wherein said front panel offers first observation window that can see upper static contact, grounding contact, and the bottom of said front panel offers can see second observation window of fixed contact down.
24KV inflation cabinet on-load switch of the present invention, wherein said upper static contact is 20 degree-120 degree to the vertical line of main-shaft axis and the grounding contact end of following fixed contact to the angle between the vertical line of main-shaft axis.
24KV inflation cabinet on-load switch of the present invention; The front end sleeve of wherein said main shaft is on preceding supporting bead; Supporting bead is installed on the front panel before said, and the rear end of said main shaft is installed on rear flange and supports, and said rear flange supports through bolt on rear board.
24KV inflation cabinet on-load switch of the present invention; On the wherein said main shaft by being interval with three rectangular through-hole behind the forward direction; The center line of each said through hole and the axis normal of main shaft; Symmetry connects two making leaf springs on the front and back walls of each said through hole, fixing said moving contact between two said making leaf springs.
24KV inflation cabinet on-load switch of the present invention; The sheet metal that is in contact with one another of symmetry was formed before and after wherein said moving contact was by two; Arc first brace of arranging about each said sheet metal is by two respectively and second brace that is connected between two first braces are formed; The trailing flank upper and lower end of the leading flank upper and lower end of two first braces of the said sheet metal in front side and two first braces of backside metal sheet is respectively equipped with groove; The longitudinal section of said making leaf spring is c-shaped; The upper and lower end of said making leaf spring is respectively equipped with two fork sheets that are left and right layout, and the sheet of respectively pitching on two said making leaf springs is fastened in respectively in each groove on two sheet metals.
24KV inflation cabinet on-load switch of the present invention; Wherein the upper and lower end of each said through hole is respectively equipped with the hole seat; The upper and lower end of two making leaf springs of the upper and lower end of each said moving contact and chucking moving contact lays respectively at the inner chamber of each hole seat, is provided with several reinforcements between said main shaft and the hole seat.
24KV inflation cabinet on-load switch of the present invention, wherein three said grounding contacts are connected on the said earth lug through bolt respectively.
24KV inflation cabinet on-load switch of the present invention, wherein three said upper and lower conducting rods are connected on the upper and lower contact bearing through bolt respectively.
After adopting such scheme; 24KV of the present invention inflation cabinet on-load switch through the switch skeleton, be installed on the inner and main shaft that rotate by operating mechanism control of switch skeleton, be fixed in three moving contacts on the main shaft, as a switch skeleton part and be used to connect the upper and lower contact bearing of upper and lower conducting rod, the grounding contact that is connected in the upper and lower fixed contact on the upper and lower conducting rod and is installed on the earth lug medial surface is formed; It is simple in structure, parts are few; Succinct, the feasible casing volume of placing it of the small and exquisite layout of its overall volume reduces greatly, has saved the cost cost.
Description of drawings
Fig. 1 is the front view of 24KV inflation cabinet on-load switch of the present invention at closing position;
Fig. 2 is that 24KV inflation cabinet on-load switch of the present invention is looked cutaway view on the right side of closing position;
Fig. 3 is the vertical view of 24KV inflation cabinet on-load switch of the present invention at closing position;
Fig. 4 is the front view of 24KV inflation cabinet on-load switch of the present invention in the separating brake position;
Fig. 5 is the front view of 24KV inflation cabinet on-load switch of the present invention at earthing position;
Fig. 6 is the annexation front view between intraskeletal main shaft of switch of the present invention and the moving contact;
Fig. 7 is the annexation vertical view between intraskeletal main shaft of switch of the present invention and the moving contact;
Fig. 8 is the annexation right view between intraskeletal main shaft of switch of the present invention and the moving contact;
Fig. 9 is the sheet metal structure front view of moving contact of the present invention;
Figure 10 is the sheet metal structure right view of moving contact of the present invention;
Figure 11 is a making leaf spring structural front view of the present invention;
Figure 12 is a making leaf spring structure side view of the present invention.
Below in conjunction with accompanying drawing, the present invention is done further explanation through embodiment.
Embodiment
See also Fig. 1 to shown in Figure 3, the structural representation of 24KV inflation cabinet on-load switch closing position of the present invention.Comprise switch skeleton 1 and the main shaft of controlling by operating mechanism 2.Switch skeleton 1 comprises the upper contact head bearing 3 processed by insulating material, contact bearing 4 and be connected in upper contact head bearing 3, the front panel 5 and the rear board of contact bearing 4 forward and backward sides down through bolt down.Be connected with three and go up conducting rods 6 and following conducting rods 7 by the bolt that passes through vertical behind the forward direction and at interval respectively on upper contact head bearing 3 and the following contact bearing 4.Three upward conducting rod 6 is corresponding up and down with the position of three following conducting rods 7.The lower end of three last conducting rods 6 and the upper end of three lower guide rods 7 are stretched into the inner chamber of switch skeleton 1 respectively.Three lower ends of going up conducting rod 6 connect three upper static contacts 8 respectively.The top of three following conducting rods 7 is respectively equipped with down fixed contact 9.Following fixed contact 9 is made up of the following stationary contact 27 that is connected with following conducting rod 7 upper ends, the connecting plate 28 that tilts to the upper right side that is connected with following stationary contact 27 and grounding contact end 29 one that are positioned at connecting plate 28 upper ends.Three following fixed contacts 9 are all parallel with front and back panels.The angle of upper static contact 8 to the grounding contact end 29 of the vertical join line of main shaft 2 and following fixed contact 9 to the vertical join line of main shaft 2 is between 20 degree-120 degree.
The top of front panel 5 offers first observation window 22 that can see upper static contact 8, grounding contact 10.The bottom of front panel 5 offers can see second observation window 23 of fixed contact 9 down.Be welded with the earth lug 24 that metal material is processed between front panel 5 left upper portion and the rear board left upper portion.At interval the bolt that passes through is connected with three grounding contacts 10 after the medial surface of earth lug 24 is by forward direction.Line between the grounding contact end 29 of suspend end and each time fixed contact 9 of each grounding contact 10 is crossed the axial line of main shaft 2, and vertical with the axial line of main shaft 2.The two ends of each moving contact 12 equal the distance of each upper static contact 8 to main shaft 2 to the distance of main shaft 2, equal the following stationary contact 27 of each time fixed contact 9, the distance that grounding contact end 29 arrives main shaft 2, equal the distance of each grounding contact 10 to main shaft 2.
In conjunction with Fig. 6, Fig. 7 and shown in Figure 8, be processed with three rectangular through-hole 13 by interval behind the forward direction on the main shaft 2.The center line of each through hole 13 is vertical with the axial line of main shaft 2.Be symmetrically connected with fixing moving contact 12 between 14, two making leaf springs 14 of two making leaf springs on the front and back walls of each through hole 13, the upper and lower end of each moving contact 12 passes the above and below of main shaft 2 respectively.The upper and lower end of each through hole 13 is connected with the hole seat 25 that cross section is a rectangle respectively.The upper and lower end of two making leaf springs 14 of the upper and lower end of each moving contact 12 and chucking moving contact 12 lays respectively at the inner chamber of each hole seat 25.Be connected with several reinforcements 26 between main shaft 2 and the hole seat 25, to improve the intensity of main shaft.
In conjunction with Fig. 9 and shown in Figure 10, the sheet metal 15 of symmetry and contact was formed before and after moving contact 12 was by two.Arc first brace of arranging about each sheet metal 15 is by two respectively 16 and second brace 17 that is connected between two first braces 16 are formed.Leading flank upper and lower end and the trailing flank upper and lower end of two first braces 16 that is positioned at the sheet metal 15 of rear side of two first braces 16 that is positioned at the sheet metal 15 of front side is processed with groove 18 respectively.In conjunction with Fig. 2 and shown in Figure 12, the longitudinal section of making leaf spring 14 is c-shaped.The upper and lower end of making leaf spring 14 is processed with two fork sheets 19 that are left and right layout respectively.The sheet 19 of respectively pitching on two making leaf springs 14 is fastened in respectively in each groove 18 on two sheet metals 15, and two sheet metals 15 are sandwiched in the middle of two making leaf springs 14.
During combined floodgate, with reference to shown in Figure 1, the upper end of three moving contacts 12 contacts with three upper static contacts 8 respectively, and the lower end of three moving contacts 12 contacts with the link of three following fixed contacts 9 respectively.
When main shaft 2 clockwise rotates about 50-60 when spending under the operating mechanism effect; Three moving contacts 12 that main shaft 2 drives on it clockwise rotate the 50-60 degree; The lower end of 8, three moving contacts 12 of the upper end of three moving contacts 12 three upper static contacts of disengaging breaks away from fixed contact 9 down at this moment.As shown in Figure 4, this moment, on-load switch became the separating brake position by closing position.
When main shaft 2 continued to clockwise rotate, the two ends of three moving contacts 12 can contact with grounding contact end 29 and three grounding contacts 10 of three following fixed contacts 9 respectively.As shown in Figure 5, this moment, on-load switch became earthing position by the separating brake position.
When the operating mechanism action; When driving main shaft 2 and rotating counterclockwise about 50-60 and spend; When being position shown in Figure 4, the two ends of three moving contacts 12 on the main shaft 2 break away from three grounding contacts 10 and following fixed contact 9 respectively, make on-load switch become the separating brake position by earthing position.
When the operating mechanism action, when drive main shaft 2 continued to rotate counterclockwise, the two ends of three moving contacts 12 on the main shaft 2 contacted with three upper static contacts 8 with three following fixed contacts 9 respectively.This moment is as shown in Figure 1, for on-load switch becomes closing position by the separating brake position.
24KV of the present invention inflation cabinet on-load switch through switch skeleton 1, be installed on the inner and main shaft 2 that rotate by operating mechanism control of switch skeleton 1, be fixed in three moving contacts 12 on the main shaft 2, as switch skeleton 1 part and be used to connect conducting rod 6 upper contact head bearing 3, connect under the following contact bearing 4, the grounding contact 10 that is connected in upper static contact 8 on the conducting rod 6, is connected in down the following fixed contact 9 on the conducting rod 7 and is installed on earth lug 24 medial surfaces of conducting rod 7 form; It is simple in structure, parts are few; Succinct, the feasible casing volume of placing it of the small and exquisite layout of its overall volume reduces greatly, has saved the cost cost.And first observation window 22 and second observation window 23 are set on the plate 5 in front, can just can not see three service positions of this 24KV inflation cabinet on-load switch, i.e. closing position, separating brake position and earthing position through outer light source.
The above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (9)
1. a 24KV inflates the cabinet on-load switch; Comprise main shaft (2) by operating mechanism control; It is characterized in that: also comprise switch skeleton (1); Said switch skeleton (1) comprises the upper and lower contact bearing of being processed by insulating material (3,4) and is connected in front panel (5) and the rear board that the metal material of the forward and backward side of upper and lower contact bearing (3,4) is processed; Said upper and lower contact bearing (3; 4) respectively by vertical behind the forward direction and being equipped with three and going up conducting rod (6) and three following conducting rods (7) at interval, three said, and to go up conducting rod (6) corresponding up and down with three following conducting rods (7) on, and three said upward lower ends of conducting rod (6) connect three upper static contacts (8) respectively; Three said tops of conducting rod (7) down are respectively equipped with down fixed contact (9); Said down fixed contact (9) by the following stationary contact (27) that is connected with following conducting rod (7) upper end, be connected with following stationary contact (27) to the connecting plate (28) of upper right side inclination and be positioned at grounding contact end (29) formation on the connecting plate (28), three said under fixed contact (9) all parallel with front and back panels, be connected with the earth lug (24) that metal material is processed between said front panel (5) left upper portion and the rear board left upper portion; The medial surface of said earth lug (24) is connected with at interval three grounding contacts (10) after by forward direction; The line between the end and the grounding contact end (29) of each time fixed contact (9) of suspending of each said grounding contact (10) is crossed the axis of main shaft (2), and with the axis normal of main shaft (2), said main shaft (2) is installed on upper and lower contact bearing (3; 4) between; The front and back ends of said main shaft (2) is supported on respectively on the front and back panels, and said main shaft (2) is gone up and is connected with three moving contacts (12) by perpendicular separation behind the forward direction, and the upper and lower end of each said moving contact (12) passes the above and below of main shaft (2) respectively; Each said moving contact (12) all passes through the axis of main shaft (2); The two ends of each said moving contact (12) equal the distance of each upper static contact (8) to main shaft (2) to the distance of main shaft (2), equal the following stationary contact (27) of each time fixed contact (9), the distance that ground connection link (29) arrives main shaft (2), equal the distance of each grounding contact (10) to main shaft (2).
2. 24KV inflation cabinet on-load switch as claimed in claim 1; It is characterized in that: the top of said front panel (5) offers first observation window (22) that can see upper static contact (8), grounding contact (10), and the bottom of said front panel (5) offers can see second observation window (23) of fixed contact (9) down.
3. 24KV inflation cabinet on-load switch as claimed in claim 2 is characterized in that: said upper static contact (8) is 20 degree-120 degree to the vertical line of main shaft (2) axis and the grounding contact end (29) of following fixed contact (9) to the angle between the vertical line of main shaft (2) axis.
4. 24KV inflation cabinet on-load switch as claimed in claim 3; It is characterized in that: the front end sleeve of said main shaft (2) is on preceding supporting bead (20); Supporting bead (20) is installed on the front panel (5) before said; The rear end of said main shaft (2) is installed on rear flange and supports on (21), and said rear flange supports (21) and passes through bolt on rear board.
5. 24KV inflation cabinet on-load switch as claimed in claim 4; It is characterized in that: said main shaft (2) is gone up by being interval with three rectangular through-hole (13) behind the forward direction; The axis normal of the center line of each said through hole (13) and main shaft (2); Symmetry connects two making leaf springs (14) on the front and back walls of each said through hole (13), a fixing said moving contact (12) between two said making leaf springs (14).
6. 24KV inflation cabinet on-load switch as claimed in claim 5; It is characterized in that: the sheet metal that is in contact with one another (15) of symmetry was formed before and after said moving contact (12) was by two; Arc first brace of arranging about each said sheet metal (15) is by two respectively (16) and second brace (17) that is connected between two first braces (16) are formed; The trailing flank upper and lower end of the leading flank upper and lower end of two first braces (16) of the said sheet metal in front side (15) and two first braces (16) of backside metal sheet (15) is respectively equipped with groove (18); The longitudinal section of said making leaf spring (14) is c-shaped; The upper and lower end of said making leaf spring (14) is respectively equipped with two fork sheets (19) that are left and right layout, and the sheet (19) of respectively pitching on two said making leaf springs (14) is fastened in respectively in each groove (18) on two sheet metals (15).
7. 24KV inflation cabinet on-load switch as claimed in claim 6; It is characterized in that: the upper and lower end of each said through hole (13) is respectively equipped with hole seat (25); The upper and lower end of two making leaf springs (14) of the upper and lower end of each said moving contact (12) and chucking moving contact (12) lays respectively at the inner chamber of each hole seat (25), is provided with several reinforcements (26) between said main shaft (2) and the hole seat (25).
8. 24KV inflation cabinet on-load switch as claimed in claim 7, it is characterized in that: three said grounding contacts (10) are connected on the said earth lug (24) through bolt respectively.
9. 24KV inflation cabinet on-load switch as claimed in claim 8, it is characterized in that: three said upper and lower conducting rods (6,7) are connected on the upper and lower contact bearing (3,4) through bolt respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149166.0A CN102683091B (en) | 2012-05-14 | 2012-05-14 | 24KV inflatable cabinet load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149166.0A CN102683091B (en) | 2012-05-14 | 2012-05-14 | 24KV inflatable cabinet load switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102683091A true CN102683091A (en) | 2012-09-19 |
| CN102683091B CN102683091B (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210149166.0A Active CN102683091B (en) | 2012-05-14 | 2012-05-14 | 24KV inflatable cabinet load switch |
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| Country | Link |
|---|---|
| CN (1) | CN102683091B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099656A (en) * | 2016-06-07 | 2016-11-09 | 广州泰鼎电气有限公司 | High-voltage AC switch cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0485306A1 (en) * | 1990-11-06 | 1992-05-13 | Schneider Electric Sa | Multiphase rotating switch |
| CN2728057Y (en) * | 2004-06-25 | 2005-09-21 | 宁波天安（集团）股份有限公司 | Load switch of gas filled type ring net switching device |
| CN102361248A (en) * | 2011-09-05 | 2012-02-22 | 北京合锐赛尔电力科技有限公司 | SF6 (sulfur hexafluoride) load switch inflating cabinet (12kV/24kV) with visual windows |
| CN202662520U (en) * | 2012-05-14 | 2013-01-09 | 北京合锐清合电气有限公司 | Load switch of 24-KV inflating cabinet |
-
2012
- 2012-05-14 CN CN201210149166.0A patent/CN102683091B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0485306A1 (en) * | 1990-11-06 | 1992-05-13 | Schneider Electric Sa | Multiphase rotating switch |
| CN2728057Y (en) * | 2004-06-25 | 2005-09-21 | 宁波天安（集团）股份有限公司 | Load switch of gas filled type ring net switching device |
| CN102361248A (en) * | 2011-09-05 | 2012-02-22 | 北京合锐赛尔电力科技有限公司 | SF6 (sulfur hexafluoride) load switch inflating cabinet (12kV/24kV) with visual windows |
| CN202662520U (en) * | 2012-05-14 | 2013-01-09 | 北京合锐清合电气有限公司 | Load switch of 24-KV inflating cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099656A (en) * | 2016-06-07 | 2016-11-09 | 广州泰鼎电气有限公司 | High-voltage AC switch cabinet |
| CN106099656B (en) * | 2016-06-07 | 2018-07-31 | 广州泰鼎电气有限公司 | High-voltage AC switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102683091B (en) | 2014-09-10 |
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