CN203607270U - Double-throw load switch - Google Patents
Double-throw load switch Download PDFInfo
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- CN203607270U CN203607270U CN201320799059.2U CN201320799059U CN203607270U CN 203607270 U CN203607270 U CN 203607270U CN 201320799059 U CN201320799059 U CN 201320799059U CN 203607270 U CN203607270 U CN 203607270U
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- ground connection
- strutting piece
- main switch
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Abstract
The utility model discloses a double-throw load switch. The double-throw load switch comprises a front fixing plate, a rear fixing plate, a first box body side plate, a second box body side plate, a first brake separating reed, a second brake separating reed, a first supporting piece, a second supporting piece, a third supporting piece, a first main switch contact, a second main switch contact and a third main switch contact. The first box body side plate and the second box body side plate are arranged on the external side of the rear fixing plate. One end of the first brake separating reed is fixed on a first grounding operation shaft, and the other end is fixed on the first box body side plate. One end of the second brake separating reed is fixed on a second grounding operation shaft, and the other end is fixed on the second box body side plate. The first supporting piece, the second supporting piece and the third supporting piece are arranged between the front fixing plate and the rear fixing plate. The first main switch contact is fixed on the third supporting piece. The second main switch contact is fixed on the first supporting piece. The third main switch contact is fixed on the second supporting piece. An effect of enhancing switching reliability of a double-power-supply is achieved via the double-throw load switch.
Description
Technical field
The utility model relates to field of switches, in particular to a kind of Double-throwing load switch.
Background technology
Along with the national economic development, power supply reliability has become the factor that people value in practice very much, and the reliability of power supply is had to more and more higher requirement.
In electric load, three stage loads generally allow single power supply, are having the situation of dual power supply, for subsequent use each other between duplicate supply.In the time of power failure dead electricity, the important load that is stopped power supply switches to another power supply, guarantees that this load continues to obtain electric energy.In engineering, to not allowing the load of interruption of power supply that two-way or power supply more than two-way will be provided, between two-way power supply, reliable conversion is particularly important for power supply reliability.
At present, in dual power supply, mainly adopt two on-load switches to realize duplicate supply switching.In use procedure, two on-load switches carry out duplicate supply switching, easily cause two-way incoming power to close a floodgate simultaneously, and reliability is low, easily produces hidden danger.
For the low problem of the switching reliability of duplicate supply in prior art, effective solution is not yet proposed at present.
Utility model content
Main purpose of the present utility model is to provide a kind of Double-throwing load switch, to solve the low problem of switching reliability of duplicate supply.
To achieve these goals, according to an aspect of the present utility model, provide a kind of Double-throwing load switch.Comprise according to Double-throwing load switch of the present utility model: front shoe; Rear fixed plate; The first box side and the second box side, be arranged on rear fixed plate outside; The first sluice separating spring, the first ground connection operating axis is fixed in one end, and the other end is fixed on the first box side; The second sluice separating spring, the second ground connection operating axis is fixed in one end, and the other end is fixed on the second box side; The first strutting piece, the second strutting piece and the 3rd strutting piece, be arranged in the middle of front shoe and rear fixed plate; The first main switch contact, is fixed on the 3rd strutting piece; The second main switch contact, is fixed on the first strutting piece; The 3rd main switch contact, is fixed on the second strutting piece.
Further, Double-throwing load switch also comprises: the first insulator, is fixed on the 3rd strutting piece; The second insulator, is fixed on the first strutting piece; The 3rd insulator, is fixed on the second strutting piece.
Further, Double-throwing load switch also comprises: the first arc-chute, is fixed on the second main switch contact; The second arc-chute, is fixed on the 3rd main switch contact.
Further, the first main switch contact and the first insulator form the first assembly, three group of first assembly is equidistantly fixed on the 3rd strutting piece, the second main switch contact, the second insulator and the first arc-chute form the second assembly, three group of second assembly is equidistantly fixed on the first strutting piece, the 3rd main switch contact, the 3rd insulator and the second arc-chute form the 3rd assembly, and three group of the 3rd assembly is equidistantly fixed on the second strutting piece.
Further, Double-throwing load switch also comprises: connector; Operating mechanism output shaft, is connected with the first main switch contact by connector.
Further, Double-throwing load switch also comprises: the first ground connection blade; The first ground connection operating axis, is connected with the first ground connection blade, for driving the first ground connection blade to rotate centered by the first ground connection operating axis; The second ground connection blade; The second ground connection operating axis, is connected with the second ground connection blade, for driving the second ground connection blade to rotate centered by ground connection operating axis.
Further, Double-throwing load switch also comprises: the first ground connection blade and the first ground connection operating axis are fastening; The second ground connection blade and the second ground connection operating axis are fastening.
Further, front shoe, rear fixed plate, the first strutting piece, the second strutting piece are welded into as a whole switch frame.
Further, Double-throwing load switch also comprises: the first main busbar, one end of the first main busbar be fixed on shown in the second main switch contact, the first arc-chute and the second insulator; The second main busbar, the 3rd main switch contact, the second arc-chute and the 3rd insulator are fixed in one end of the second main busbar.
Further, Double-throwing load switch also comprises: the first grounding contact, is fixed on the first main busbar; The second grounding contact, is fixed on the second main busbar.
By the utility model, adopt Double-throwing load switch to comprise: front shoe, rear fixed plate, the first box side and the second box side, be arranged on rear fixed plate outside, the first sluice separating spring, the first ground connection operating axis is fixed in one end, and the other end is fixed on the first box side, the second sluice separating spring, the second ground connection operating axis is fixed in one end, and the other end is fixed on the second box side, the first strutting piece, the second strutting piece and the 3rd strutting piece, be arranged in the middle of front shoe and rear fixed plate, the first main switch contact, is fixed on the 3rd strutting piece, the second main switch contact, is fixed on the first strutting piece, and the 3rd main switch contact, be fixed on the second strutting piece, between front shoe and rear fixed plate, the first strutting piece is set, the second strutting piece and the 3rd strutting piece, in order to support respectively the second main switch contact, the 3rd main switch contact and the first main switch contact, the first main switch contact can be rotated centered by its fixing one end, and then realize the switching between two-way incoming power, while having avoided two on-load switches to carry out duplicate supply switching, the problem that easily causes two-way incoming power simultaneously to close a floodgate, solve the low problem of switching reliability of duplicate supply, and then reach the effect of the switching reliability that improves duplicate supply.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the front view of the Double-throwing load switch of the utility model embodiment; And
Fig. 2 is according to the vertical view of the Double-throwing load switch of the utility model embodiment.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Term " first ", " second " etc. in specification of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and needn't be used for describing specific order or precedence.Should be appreciated that the data of such use are suitably exchanging in situation, so that embodiment of the present utility model described herein.In addition, term " comprises " and " having " and their any distortion, is intended to be to cover not exclusive comprising.
Provide a kind of Double-throwing load switch according to the utility model embodiment, for the switching of duplicate supply.
Fig. 1 is according to the front view of the Double-throwing load switch of the utility model embodiment.As shown in Figure 1, this Double-throwing load switch 1 comprises: front shoe 2, rear fixed plate 3, the first box side 23, the second box side 24, the first sluice separating spring 11, the second sluice separating spring 20, the first strutting piece 12, the second strutting piece 13, the 3rd strutting piece 14, the first main switch contact 6, the second main switch contact 7 and the 3rd main switch contact 8.
The first box side 23 and the second box side 24 are all arranged on rear fixed plate 3 outsides.The first ground connection operating axis 5 is fixed in one end of the first sluice separating spring 11, and the other end is fixed on the first box side 23.The second ground connection operating axis 17 is fixed in one end of the second sluice separating spring 20, and the other end is fixed on the second box side 24.The first strutting piece 12, the second strutting piece 13 and the 3rd strutting piece 14, be arranged in the middle of front shoe 2 and rear fixed plate 3.The first main switch contact 6 is fixed on the 3rd strutting piece 14, and wherein the first main switch contact 6 is main switch knife blade contact.One end of the first main switch contact 6 is fixed, and centered by this fixing one end, rotates, and realizes two-way and carries out the switching of power supply.The second main switch contact 7 is fixed on the first strutting piece 12.The 3rd main switch contact 8 is fixed on the second strutting piece 13.Front shoe 2 is front, and rear fixed plate 3 is rear, and the first strutting piece 12, the second strutting piece 13 and the 3rd strutting piece 14 are arranged in the middle of front shoe 2, rear fixed plate 3.The first strutting piece 12 is for supporting the second main switch contact 7, the second strutting pieces 13 for supporting the 3rd main switch contact 8, the three strutting pieces 14 for supporting the first main switch contact 6.
The second main switch contact 7 and the 3rd main switch contact 8 are incoming power contact, and wherein, the second main switch contact 7 is first via incoming power contact, for connecting first via incoming power; The 3rd main switch contact 8 is the second road incoming power, for connecting the second road incoming power.The first main switch contact 6 is movable contact, can centered by its fixing one end, rotate, thereby make it have primary importance and the second place.When the first main switch contact 6 is during in primary importance, the first main switch contact 6 contacts with the second main switch contact 7, the power supply of first via incoming power; When the first main switch contact 6 is during in the second place, the first main switch contact 6 contacts with the 3rd main switch contact 8, the second road incoming power power supply.And be fixed on the first box side 23, the second sluice separating springs 20 by the first sluice separating spring 11 and be fixed on the second box side 24, can grounding contact be set at the first sluice separating spring 11 and the second sluice separating spring 20 1 sides, in order to be grounded a point closing operation.
According to the utility model embodiment, between front shoe 2 and rear fixed plate 3, the first strutting piece 12, the second strutting piece 13 and the 3rd strutting piece 14 are set, in order to support respectively the second main switch contact 7, the 3rd main switch contact 8 and the first main switch contact 6, the first main switch contact 6 can be rotated centered by its fixing one end, in the time that the first main switch contact 6 rotates to diverse location, the second main switch contact 7 or the 3rd main switch contact 8 contact respectively, and then realize the switching between two-way incoming power.According to the Double-throwing load switch 1 of the present embodiment, rotate to different positions by one end of the first main switch contact 6 and realize the switching between two-way incoming power, while having avoided two on-load switches to carry out duplicate supply switching, the problem that easily causes two-way incoming power simultaneously to close a floodgate, solve the low problem of switching reliability of duplicate supply, and then reached the effect that improves the switching reliability of duplicate supply.
Shown in Fig. 1, Fig. 2, Double-throwing load switch 1 also comprises the 4th strutting piece 15, and wherein, the first strutting piece 12, the second strutting piece 13, the 3rd strutting piece 14 and the 4th strutting piece 15 are all arranged in the middle of front shoe 2, rear fixed plate 3.
Preferably, the Double-throwing load switch 1 of the utility model embodiment also comprises: the first insulator, the second insulator and the 3rd insulator.The first insulator is fixed on the 3rd strutting piece 14.The first insulator can be for making junction and the external insulation of the first main switch contact 6 and the 3rd strutting piece 14.The second insulator is fixed on the first strutting piece 12.The second insulator can be for making junction and the external insulation of the second main switch contact 7 and the first strutting piece 12.The 3rd insulator is fixed on the second strutting piece 13.The 3rd insulator can be for making junction and the external insulation of the 3rd main switch contact 8 and the second strutting piece 13.
According to the utility model embodiment, adopt the first insulator, the second insulator and the 3rd insulator to make isolation completely between two-way high voltage source, thereby make Double-throwing load switch 1 there is very high safety and reliability, guaranteed Double-throwing load switch 1 security of operation.
Preferably, the Double-throwing load switch 1 of the utility model embodiment also comprises: the first arc-chute and the second arc-chute.The first arc-chute is fixed on the second main switch contact 7.The second arc-chute is fixed on the 3rd main switch contact 8.The first arc-chute is arranged on the second main switch contact 7, and the second arc-chute is arranged on the 3rd main switch contact 8.In two incoming power contact parts, arc-chute is all installed, when turned to the second road incoming power by first via incoming power or while turning to first via incoming power by the second road incoming power, when moving contact rotates arc-chute, electric arc extinguished, and arcing fault occurs while avoiding two electrical source exchanges.
The first main switch contact 6 and the first insulator form the first assembly, three group of first assembly is equidistantly fixed on the 3rd strutting piece 14, the second main switch contact 7, the second insulator and the first arc-chute form the second assembly, three group of second assembly is equidistantly fixed on the first strutting piece 12, the 3rd main switch contact 8, the 3rd insulator and the second arc-chute form the 3rd assembly, and three group of the 3rd assembly is equidistantly fixed on the second strutting piece 13.
Preferably, the Double-throwing load switch 1 of the utility model embodiment also comprises: connector 16, operating mechanism output shaft 4.
Operating mechanism output shaft 4 is connected with the first main switch contact 6 by connector 16.Operating mechanism output shaft 4 is connected to motion with the first main switch contact 6 by connector 16 and is connected.Move by operating mechanism output shaft 4, drive connector 16 to move, because connector 16 is connected with the first main switch contact 6 motions, so connector 16 drives the first main switch contact 6 to be rotated with A Dian Wei center.
Preferably, the Double-throwing load switch 1 of the utility model embodiment also comprises: the first ground connection blade 9, the first ground connection operating axis 5, the second ground connection blade 18 and the second ground connection operating axis 17.
The first ground connection operating axis 5 is connected with the first ground connection blade 9, and this first ground connection operating axis 5 is for driving the first ground connection blade 9 to rotate centered by the first ground connection operating axis 5.The first ground connection blade 9 and the first ground connection operating axis 5 are fastening.In conjunction with known shown in Fig. 1 and Fig. 2, the level left side of the first ground connection operating axis 5 in the second main switch contact 7.The first ground connection blade 9 divides closing operation for the ground connection of first via incoming power.Drive the first ground connection blade 9 to rotate centered by the first ground connection operating axis 5 by the first ground connection operating axis 5, make the first ground connection blade 9 in different positions, thereby the ground connection of realizing first via incoming power is divided closing operation.
The second ground connection operating axis 17 is connected with the second ground connection blade 18, and this second ground connection operating axis 17 is for driving the second ground connection blade 18 to rotate centered by the second ground connection operating axis 17.The second ground connection blade 18 and the second ground connection operating axis 17 are fastening.In conjunction with known shown in Fig. 1 and Fig. 2, the vertical below of the first ground connection operating axis 5 in the first main switch contact 6.The second ground connection blade 18 divides closing operation for the ground connection of the second road incoming power.Drive the second ground connection blade 18 to rotate centered by the second ground connection operating axis 17 by the second ground connection operating axis 17, make the second ground connection blade 18 in different positions, thereby the ground connection of realizing the second road incoming power is divided closing operation.
Preferably, Double-throwing load switch 1 also comprises: the first box side 23, the second box side 24, the first sluice separating spring 11 and the second sluice separating spring 20.The first ground connection operating axis 5 is fixed in one end of the first sluice separating spring 11, and the other end is fixed on the first box side 23.The second ground connection operating axis 17 is fixed in one end of the second sluice separating spring 20, and the other end is fixed on the second box side 24.
In addition, front shoe 2, rear fixed plate 3, the first strutting piece 12, the second strutting piece 13 are welded into as a whole switch frame.Wherein front shoe 2 is front, rear fixed plate 3 is rear, the first strutting piece 12, the second strutting piece 13, the 3rd strutting piece 14 and the 4th strutting piece 15 are placed welding before and after middle (as shown in Figure 1), thereby front shoe 2, rear fixed plate 3 are connected into an entirety.
According to the utility model embodiment, by each parts being welded into the switch frame of an adult, adopting a switch to realize the handoff functionality of two-way incoming power, thereby guaranteed that switch well moves, and saved manufacturing cost.
Also comprise the first main busbar 21 and the second main busbar 22 according to the Double-throwing load switch 1 of the utility model embodiment.
The second main switch contact 7, the first arc-chute and the second insulator are fixed in one end of the first main busbar 21.The 3rd main switch contact 8, the second arc-chute and the 3rd insulator are fixed in one end of the second main busbar 22.
Also comprise the first grounding contact 10 and the second grounding contact 19 according to the Double-throwing load switch 1 of the utility model embodiment.The first grounding contact 10 is fixed on the first main busbar 21.The second grounding contact 19 is fixed on the second main busbar 22.
The first grounding contact 10 is fixed on the first main busbar 21, the rear end of ground connection operating axis 5 is fixed in first sluice separating spring 11 one end, and the other end is fixed on the first box side 23; The level below of the second ground connection operating axis 17 in the first main switch contact 6, ground connection blade 18 and the second ground connection operating axis 17 are fastening, the second grounding contact 19 is fixed on the second main busbar 22, the rear end of the second ground connection operating axis 17 is fixed in second sluice separating spring 20 one end, and the other end is fixed on the second box side 24.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a Double-throwing load switch, is characterized in that, comprising:
Front shoe (2);
Rear fixed plate (3);
The first box side (23) and the second box side (24), be arranged on described rear fixed plate (3) outside;
The first sluice separating spring (11), the first operational grounding axle (5) is fixed in one end, and the other end is fixed on described the first box side (23);
The second sluice separating spring (20), the second operational grounding axle (17) is fixed in one end, and the other end is fixed on described the second box side (24);
The first strutting piece (12), the second strutting piece (13) and the 3rd strutting piece (14), be arranged in the middle of described front shoe (2) and described rear fixed plate (3);
The first main switch contact (6), is fixed on described the 3rd strutting piece (14);
The second main switch contact (7), is fixed on described the first strutting piece (12); And
The 3rd main switch contact (8), is fixed on described the second strutting piece (13).
2. Double-throwing load switch according to claim 1, is characterized in that, also comprises:
The first insulator, is fixed on described the 3rd strutting piece (14);
The second insulator, is fixed on described the first strutting piece (12); And
The 3rd insulator, is fixed on described the second strutting piece (13).
3. Double-throwing load switch according to claim 2, is characterized in that, also comprises:
The first arc-chute, is fixed on described the second main switch contact (7); And
The second arc-chute, is fixed on described the 3rd main switch contact (8).
4. Double-throwing load switch according to claim 3, is characterized in that,
Described the first main switch contact (6) and described the first insulator form the first assembly, and described in three groups, the first assembly is equidistantly fixed on described the 3rd strutting piece (14) above,
Described the second main switch contact (7), described the second insulator and described the first arc-chute form the second assembly, and described in three groups, the second assembly is equidistantly fixed on described the first strutting piece (12) above,
Described the 3rd main switch contact (8), described the 3rd insulator and described the second arc-chute form the 3rd assembly, and described in three groups, the 3rd assembly is equidistantly fixed on described the second strutting piece (13).
5. Double-throwing load switch according to claim 4, is characterized in that, also comprises:
Connector (16); And
Operating mechanism output shaft (4), is connected with described the first main switch contact (6) by described connector (16).
6. Double-throwing load switch according to claim 5, is characterized in that, also comprises:
The first ground connection blade (9); And
The second ground connection blade (18),
Wherein, described the first ground connection operating axis (5) is connected with described the first ground connection blade (9), be used for driving described the first ground connection blade (9) to rotate centered by described the first ground connection operating axis (5), described the second ground connection operating axis (17) is connected with described the second ground connection blade (18), for driving described the second ground connection blade (18) to rotate centered by described ground connection operating axis (17).
7. Double-throwing load switch according to claim 6, is characterized in that, also comprises:
Described the first ground connection blade (9) is fastening with described the first ground connection operating axis (5); And
Described the second ground connection blade (18) is fastening with described the second ground connection operating axis (17).
8. Double-throwing load switch according to claim 1, is characterized in that, described front shoe (2), described rear fixed plate (3), described the first strutting piece (12), described the second strutting piece (13) are welded into as a whole switch frame.
9. Double-throwing load switch according to claim 3, is characterized in that, also comprises:
The first main busbar (21), one end of described the first main busbar (21) be fixed on shown in the second main switch contact (7), described the first arc-chute and described the second insulator; And
The second main busbar (22), described the 3rd main switch contact (8), described the second arc-chute and described the 3rd insulator are fixed in one end of described the second main busbar (22).
10. Double-throwing load switch according to claim 9, is characterized in that, also comprises:
The first grounding contact (10), is fixed on described the first main busbar (21); And
The second grounding contact (19), is fixed on described the second main busbar (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799059.2U CN203607270U (en) | 2013-12-05 | 2013-12-05 | Double-throw load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799059.2U CN203607270U (en) | 2013-12-05 | 2013-12-05 | Double-throw load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607270U true CN203607270U (en) | 2014-05-21 |
Family
ID=50719934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320799059.2U Withdrawn - After Issue CN203607270U (en) | 2013-12-05 | 2013-12-05 | Double-throw load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646800A (en) * | 2013-12-05 | 2014-03-19 | 北京双杰电气股份有限公司 | Double-throw load switch |
-
2013
- 2013-12-05 CN CN201320799059.2U patent/CN203607270U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646800A (en) * | 2013-12-05 | 2014-03-19 | 北京双杰电气股份有限公司 | Double-throw load switch |
| CN103646800B (en) * | 2013-12-05 | 2015-10-28 | 北京双杰电气股份有限公司 | Double-throwing load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20151028 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |