CN102683091B - 24KV inflatable cabinet load switch - Google Patents
24KV inflatable cabinet load switch Download PDFInfo
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- CN102683091B CN102683091B CN201210149166.0A CN201210149166A CN102683091B CN 102683091 B CN102683091 B CN 102683091B CN 201210149166 A CN201210149166 A CN 201210149166A CN 102683091 B CN102683091 B CN 102683091B
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- contact
- main shaft
- grounding
- conducting rods
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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, espespecially a kind of 24KV inflatable cabinet load switch.
Background technology
The alternate centre-to-centre spacing of existing gas isolated 24KV inflatable cabinet load switch is larger, and single-phase volume is also larger, and therefore its entirety is bigger than normal, and when being arranged in gas-filling cabinet, the volume of stainless steel gas tank is relatively just large, and manufacturing cost is increased.
Summary of the invention
The object of the present invention is to provide a kind of 24KV inflatable cabinet load switch, its parts simple in structure are few, the small and exquisite layout of overall volume succinct, the box volume of placing it is reduced greatly, saved cost.
To achieve these goals, technical solution of the present invention is: a kind of 24KV inflatable cabinet load switch, comprise the main shaft by operating mechanism control, wherein also comprise switch skeleton, described switch skeleton comprises be made up of insulating material upper, lower contact bearing and being connected in, before lower contact bearing, the front panel that the metal material of rear side is made and rear board, on described, on lower contact bearing, by vertical after forward direction and interval three upper conducting rods and three lower conducting rods are installed respectively, three described upper conducting rods are corresponding up and down with three lower conducting rods, the lower end of three described upper conducting rods connects respectively three upper static contacts, the top of three described lower conducting rods is respectively equipped with lower fixed contact, described lower fixed contact is by the lower stationary contact being connected with lower conducting rod upper end, the connecting plate tilting to upper right side being connected with lower stationary contact and the grounding contact end that is positioned at connecting plate upper end form, three described lower fixed contacts are all with front, rear board is parallel, between described front panel left upper portion and rear board left upper portion, be connected with the earth lug that metal material is made, the medial surface of described earth lug by forward direction after interval be connected with three grounding contacts, the line suspending between end and the grounding contact end of each lower fixed contact of each described grounding contact is crossed the axis of main shaft, and vertical with the axis of main shaft, described main shaft is installed on, between lower contact bearing, before described main shaft, before rear end is supported on respectively, on rear board, on described main shaft, be connected with three moving contacts by perpendicular separation after forward direction, each described moving contact upper, the upper of main shaft passed respectively in lower end, below, each described moving contact all passes through the axis of main shaft, the two ends of each described moving contact equal the distance of each upper static contact to main shaft to the distance of main shaft, equal the lower stationary contact of each lower fixed contact, grounding connection end is to the distance of main shaft, equal the distance of each grounding contact to main shaft.
24KV inflatable cabinet load switch of the present invention, the top of wherein said front panel offers the first observation window that can see upper static contact, grounding contact, and the bottom of described front panel offers the second observation window that can see lower fixed contact.
24KV inflatable cabinet 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 lower fixed contact to the angle between the vertical line of main-shaft axis.
24KV inflatable cabinet load switch of the present invention, the front end sleeve of wherein said main shaft is on front support packing ring, described front support packing ring is installed on front panel, and the rear end of described main shaft is installed on rear flange and supports above, and described rear flange supports and is secured by bolts on rear board.
24KV inflatable cabinet load switch of the present invention, on wherein said main shaft by being interval with three rectangular through-hole after forward direction, the center line of each described through hole is vertical with the axis of main shaft, in the front and back walls of each described through hole, two making leaf springs of symmetrical connection, fix a described moving contact between two described making leaf springs.
24KV inflatable cabinet load switch of the present invention, before and after wherein said moving contact is by two, the symmetrical sheet metal being in contact with one another forms, each described sheet metal is by two arc the first brace of arranging left and right respectively and the second brace being connected between two the first braces forms, described in front side on the leading flank of two of sheet metal the first braces, on the trailing flank of two the first braces of lower end and backside metal sheet, lower end is respectively equipped with groove, the longitudinal section of described making leaf spring is c-shaped, described making leaf spring upper, lower end is respectively equipped with two and is left, the fork sheet of right layout, each fork sheet on two described making leaf springs is fastened in respectively in the each groove on two sheet metals.
24KV inflatable cabinet load switch of the present invention, wherein the upper and lower end of each described through hole is respectively equipped with hole seat, the upper and lower end of two making leaf springs of the upper and lower end of each described moving contact and clamping moving contact lays respectively at the inner chamber of each hole seat, between described main shaft and hole seat, is provided with several reinforcements.
24KV inflatable cabinet load switch of the present invention, wherein three described grounding contacts are bolted respectively on described earth lug.
24KV inflatable cabinet load switch of the present invention, wherein three described upper and lower conducting rods are bolted respectively on upper and lower contact bearing.
Adopt after such scheme, 24KV inflatable cabinet load switch of the present invention by switch skeleton, be installed on the inner and main shaft that rotated by operating mechanism control of switch skeleton, be fixed on three moving contacts on main shaft, as a switch skeleton part and for connecting 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 upper and lower conducting rod and is installed on earth lug medial surface forms, it is simple in structure, parts are few, the small and exquisite layout of its overall volume is succinct, the box volume of placing it is reduced greatly, saved cost.
Brief description of the drawings
Fig. 1 is the front view of 24KV inflatable cabinet load switch of the present invention at closing position;
Fig. 2 is that 24KV inflatable cabinet 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 inflatable cabinet load switch of the present invention at closing position;
Fig. 4 is the front view of 24KV inflatable cabinet load switch of the present invention at open position;
Fig. 5 is the front view of 24KV inflatable cabinet load switch of the present invention at earthing position;
Fig. 6 is the annexation front view between the intraskeletal main shaft of switch of the present invention and moving contact;
Fig. 7 is the annexation vertical view between the intraskeletal main shaft of switch of the present invention and moving contact;
Fig. 8 is the annexation right view between the intraskeletal main shaft of switch of the present invention and 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 making leaf spring structural front view of the present invention;
Figure 12 is making leaf spring structure side view of the present invention.
Below in conjunction with accompanying drawing, by embodiment, the present invention is described further.
Embodiment
Refer to shown in Fig. 1 to Fig. 3 the structural representation of 24KV inflatable cabinet load switch closing position of the present invention.Comprise switch skeleton 1 and the main shaft 2 by operating mechanism control.Switch skeleton 1 comprises upper contact head bearing 3, the lower contact bearing 4 of being made up of insulating material and is bolted in front panel 5 and the rear board of upper contact head bearing 3, lower contact bearing 4 forward and backward sides.Upper contact head bearing 3 with on lower contact bearing 4, be bolted three upper conducting rods 6 and lower conducting rods 7 by vertical after forward direction and interval respectively.Three upper conducting rods 6 are corresponding up and down with the position of three lower conducting rods 7.On three, the inner chamber of switch skeleton 1 is stretched into respectively in the lower end of conducting rod 6 and the upper end of three lower guide rods 7.The lower end of three upper conducting rods 6 connects respectively three upper static contacts 8.The top of three lower conducting rods 7 is respectively equipped with lower fixed contact 9.Lower fixed contact 9 is made up of the lower stationary contact 27 being connected with lower conducting rod 7 upper ends, the connecting plate 28 tilting to upper right side being connected with lower stationary contact 27 and grounding contact end 29 one that are positioned at connecting plate 28 upper ends.Three lower fixed contacts 9 are all parallel with front and back panels.Upper static contact 8 is between 20 degree-120 degree to the vertical join line of main shaft 2 and the grounding contact end 29 of lower fixed contact 9 to the angle of the vertical join line of main shaft 2.
The top of front panel 5 offers the first observation window 22 that can see upper static contact 8, grounding contact 10.The bottom of front panel 5 offers the second observation window 23 that can see lower fixed contact 9.Between front panel 5 left upper portion and rear board left upper portion, be welded with the earth lug 24 that metal material is made.After the medial surface of earth lug 24 is by forward direction, interval has been bolted three grounding contacts 10.The line suspending between end and the grounding contact end 29 of each lower 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 lower stationary contact 27 of each lower 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.
Main shaft 2 is installed between upper contact head bearing 3 and lower contact bearing 4.The front end sleeve of main shaft 2 is on front support packing ring 20, and front support packing ring 20 is embedded in the hole of front panel 5, and the rear end of main shaft 2 is installed on rear flange and supports on 21, and rear flange supports 21 and is secured by bolts on rear board.
Shown in Fig. 6, Fig. 7 and Fig. 8, on main shaft 2, be processed with three rectangular through-hole 13 by interval after forward direction.The center line of each through hole 13 is vertical with the axial line of main shaft 2.In the front and back walls of each through hole 13, be symmetrically connected with between 14, two making leaf springs 14 of two making leaf springs and fix a moving contact 12, the upper and lower end of each moving contact 12 passes respectively the above and below of main shaft 2.The upper and lower end of each through hole 13 is connected with respectively the hole seat 25 that cross section is rectangle.The upper and lower end of two making leaf springs 14 of the upper and lower end of each moving contact 12 and clamping moving contact 12 lays respectively at the inner chamber of each hole seat 25.Between main shaft 2 and hole seat 25, be connected with several reinforcements 26, to improve the intensity of main shaft.
Shown in Fig. 9 and Figure 10, before and after moving contact 12 is by two, the sheet metal 15 of symmetry and contact forms.Each sheet metal 15 is by two arc the first brace 16 of arranging left and right respectively and the second brace 17 being connected between two the first braces 16 forms.Be positioned at the leading flank upper and lower end of two the first braces 16 of the sheet metal 15 of front side and the trailing flank upper and lower end that is positioned at two the first braces 16 of the sheet metal 15 of rear side and be processed with respectively groove 18.Shown in Fig. 2 and 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 respectively two fork sheets 19 that are left and right layout.Each fork sheet 19 on two making leaf springs 14 is fastened in respectively in the each groove 18 on two sheet metals 15, and two sheet metals 15 are sandwiched in the middle of two making leaf springs 14.
When combined floodgate, 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 lower fixed contacts 9 respectively.
In the time that main shaft 2 clockwise rotates about 50-60 and spends under operating mechanism effect, main shaft 2 drives three moving contacts 12 on it to clockwise rotate 50-60 degree, now the upper end of three moving contacts 12 departs from the lower fixed contact 9 of lower end disengaging of 8, three moving contacts 12 of three upper static contacts.As shown in Figure 4, now on-load switch becomes open position from closing position.
In the time that main shaft 2 continues 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 lower fixed contacts 9 respectively.As shown in Figure 5, now on-load switch becomes earthing position from open position.
When operating mechanism action, while driving main shaft 2 to rotate counterclockwise about 50-60 and spend, while being the position shown in Fig. 4, the two ends of three moving contacts 12 on main shaft 2 depart from respectively three grounding contacts 10 and lower fixed contact 9, make on-load switch become open position from earthing position.
When operating mechanism action, while driving main shaft 2 to continue to rotate counterclockwise, the two ends of three moving contacts 12 on main shaft 2 contact with three upper static contacts 8 with three lower fixed contacts 9 respectively.Now as shown in Figure 1, for on-load switch becomes closing position from open position.
24KV inflatable cabinet load switch of the present invention is by switch skeleton 1, be installed on the main shaft 2 that switch skeleton 1 is inner and rotated by operating mechanism control, be fixed on three moving contacts 12 on main shaft 2, as switch skeleton 1 part and for connecting the upper contact head bearing 3 of upper conducting rod 6, connect the lower contact bearing 4 of lower conducting rod 7, be connected in the upper static contact 8 on conducting rod 6, the grounding contact 10 that is connected in the lower fixed contact 9 on lower conducting rod 7 and is installed on earth lug 24 medial surfaces forms, it is simple in structure, parts are few, the small and exquisite layout of its overall volume is succinct, the box volume of placing it is reduced greatly, save cost.And the first observation window 22 and the second observation window 23 are set on front panel 5, can just can not see three service positions of this 24KV inflatable cabinet load switch by outer light source, i.e. closing position, open position and earthing position.
The above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing 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 (1)
1. a 24KV inflatable cabinet load switch, comprise the main shaft (2) by operating mechanism control, it is characterized in that: also comprise switch skeleton (1), described switch skeleton (1) comprises be made up of insulating material upper, lower contact bearing (3, 4) and be connected in, lower contact bearing (3, 4) front, front panel (5) and rear board that the metal material of rear side is made, on described, lower contact bearing (3, 4) on, by vertical after forward direction and interval three upper conducting rods (6) and three lower conducting rods (7) are installed respectively, three described upper conducting rods (6) are corresponding up and down with three lower conducting rods (7), the lower end of three described upper conducting rods (6) connects respectively three upper static contacts (8), the top of three described lower conducting rods (7) is respectively equipped with lower fixed contact (9), described lower fixed contact (9) is by the lower stationary contact (27) being connected with lower conducting rod (7) upper end, the connecting plate (28) tilting to upper right side being connected with lower stationary contact (27) and the grounding contact end (29) that is positioned at connecting plate (28) upper end form, three described lower fixed contacts (9) are all with front, rear board is parallel, between described front panel (5) left upper portion and rear board left upper portion, be connected with the earth lug (24) that metal material is made, the medial surface of described earth lug (24) by forward direction after interval be connected with three grounding contacts (10), the line suspending between end and the grounding contact end (29) of each lower fixed contact (9) of each described grounding contact (10) is crossed the axis of main shaft (2), and vertical with the axis of main shaft (2), described main shaft (2) is installed on, lower contact bearing (3, 4) between, before described main shaft (2), before rear end is supported on respectively, on rear board, described main shaft (2) is upper is connected with three moving contacts (12) by perpendicular separation after forward direction, each described moving contact (12) upper, the upper of main shaft (2) passed respectively in lower end, below, each described moving contact (12) all passes through the axis of main shaft (2), the two ends of each described 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 lower stationary contact (27) of each lower fixed contact (9), grounding connection end (29) is to the distance of main shaft (2), equal the distance of each grounding contact (10) to main shaft (2), the top of described front panel (5) offers the first observation window (22) that can see upper static contact (8), grounding contact (10), and the bottom of described front panel (5) offers the second observation window (23) that can see lower fixed contact (9), described 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 lower fixed contact (9) to the angle between the vertical line of main shaft (2) axis, the front end sleeve of described main shaft (2) is on front support packing ring (20), described front support packing ring (20) is installed on front panel (5), the rear end of described main shaft (2) is installed on rear flange and supports (21) above, and described rear flange supports (21) and is secured by bolts on rear board, described main shaft (2) is upper by being interval with three rectangular through-hole (13) after forward direction, the center line of each described through hole (13) is vertical with the axis of main shaft (2), in the front and back walls of each described through hole (13), symmetrical two making leaf springs (14) that connect, fix a described moving contact (12) between two described making leaf springs (14), before and after described moving contact (12) is by two, the symmetrical sheet metal being in contact with one another (15) forms, each described sheet metal (15) is by two arc the first brace (16) of arranging left and right respectively and the second brace (17) being connected between two the first braces (16) forms, on the leading flank of two first braces (16) of sheet metal described in front side (15), on the trailing flank of two first braces (16) of lower end and backside metal sheet (15), lower end is respectively equipped with groove (18), the longitudinal section of described making leaf spring (14) is c-shaped, described making leaf spring (14) upper, lower end is respectively equipped with two and is left, the fork sheet (19) of right layout, each fork sheet (19) on two described making leaf springs (14) is fastened in respectively in the each groove (18) on two sheet metals (15), the upper and lower end of each described 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 described moving contact (12) and clamping moving contact (12) lays respectively at the inner chamber of each hole seat (25), between described main shaft (2) and hole seat (25), is provided with several reinforcements (26), three described grounding contacts (10) are bolted respectively on described earth lug (24), three described upper and lower conducting rods (6,7) are bolted respectively on upper and lower contact bearing (3,4).
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 CN102683091A (en) | 2012-09-19 |
| CN102683091B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099656B (en) * | 2016-06-07 | 2018-07-31 | 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 |
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| Publication number | Publication date |
|---|---|
| CN102683091A (en) | 2012-09-19 |
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