CN208690122U - Two position switch for Cubicle Gas-Insulated Switchgear - Google Patents
Two position switch for Cubicle Gas-Insulated Switchgear Download PDFInfo
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- CN208690122U CN208690122U CN201821181109.XU CN201821181109U CN208690122U CN 208690122 U CN208690122 U CN 208690122U CN 201821181109 U CN201821181109 U CN 201821181109U CN 208690122 U CN208690122 U CN 208690122U
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- operating mechanism
- static contact
- gas tank
- gas
- position switch
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Abstract
The utility model discloses a kind of two position switch for Cubicle Gas-Insulated Switchgear, belong to medium pressure gas insulated metal closed switch equipment technical field.The utility model includes gas tank, moving contact, static contact, insulation spindle and operating mechanism, moving contact and static contact are set in gas tank, insulation spindle is rotatably mounted in gas tank, moving contact is fixed on insulation spindle, static contact includes the static contact for connecting the static contact and connection earth-return circuit of major loop, insulation spindle rotates under the driving of operating mechanism, connects moving contact with the static contact for connecting major loop, or connects with the static contact for connecting earth-return circuit.The utility model sets two position switch in medium pressure gas insulated metal closed switch equipment, connects major loop or earth-return circuit.Avoid existing connection type when doing Insulation Test, the main mutual inductor of voltage for needing to connect major loop is removed；When avoiding the replacement and maintenance of voltage transformer, major loop needs to power off.
Description
Technical field
The invention belongs to medium pressure gas insulated metal closed switch equipment technical fields, and in particular to one kind is exhausted for gas
Two position switch of edge metal enclosed switchgear.
Background technique
External voltage transformer is generally used in existing medium pressure gas insulated metal closed switch equipment, and voltage is mutual
Sensor and major loop are fixedly connected modes, need to be by voltage transformer and master when doing major loop Insulation Test (industrial frequency withstand voltage)
Circuit isolation, existing method is first to remove voltage transformer or extract the fuse in voltage transformer out, after finishing test
The main mutual inductor installation of voltage is gone back again or the fuse installation of voltage transformer is gone back.Separately do voltage transformer replacement or
Major loop need to be closed when maintenance, when especially voltage transformer is mounted on incoming line cabinet, incoming line cabinet is deactivated, and entire electric substation is caused to close
It closes.
The use of voltage transformer two position switch of gas-insulated, will thoroughly solve problem above, need to decide back
Only two position switch need to be switched to ground connection position i.e. from connection position when the Insulation Test on road, when voltage transformer is updated or safeguarded
Can, but due to voltage transformer be connected to ground connection position after, replacement, maintenance voltage transformer when it is safer.
Summary of the invention
It is opened it is an object of the present invention to provide a kind of convenient for two stations for Cubicle Gas-Insulated Switchgear of operation
It closes.
Specifically, the present invention adopts the following technical solutions realize: including gas tank, moving contact, static contact, insulation master
Axis and operating mechanism, moving contact and static contact are set in gas tank, and insulation spindle is rotatably mounted in gas tank, and moving contact is solid
Due on insulation spindle, static contact includes the static contact for connecting the static contact and connection earth-return circuit of major loop, and insulation spindle exists
Rotated under the driving of operating mechanism, make moving contact and connect major loop static contact connect, or with connect the quiet of earth-return circuit
Contact connection.
Furthermore, static contact includes equal wedge and spring leaf；Equal wedge is equipped with groove, and spring leaf both ends are respectively inwards
It is whole C-shaped after side is equivalent, it is embedded in spring leaf in the groove of equal wedge.
Furthermore, it is provided with voltage transformer outside gas tank, moving contact is connected with voltage transformer.
Furthermore, insulation spindle is equipped with two or more moving contacts, is correspondingly provided with two groups or two groups
Above static contact.
Furthermore, operating mechanism is rotary operating mechanism, including shaft, intermeshing first gear and second
Gear, first gear are fixed on insulation spindle, and second gear is fixed on one end of shaft, and the other end of shaft is worn from gas tank
Out, shaft rotates under the driving of external motivating force, connects moving contact with the static contact for connecting major loop, or connect with connection
The static contact of earth-return connects.
Furthermore, first gear and second gear are bevel gear.
Furthermore, operating mechanism is disconnecting link formula operating mechanism, including pull rod, connecting rod and drawing handle, the one of pull rod
End is fixed on insulation spindle, and one end of the other end and connecting rod is hinged, and the other end of connecting rod is pierced by from gas tank, and connecting rod drives in outside
Pushed and pulled under the driving of power, make moving contact and connect the static contact of major loop to connect, or with the static contact that connect earth-return circuit
Connection.
Furthermore, it is provided with sealing flange on gas tank,
When operating mechanism is rotary operating mechanism, the other end of shaft is reached by sealing flange across gas tank outer
Portion；
When operating mechanism is disconnecting link formula operating mechanism, the other end of connecting rod is reached by sealing flange across gas tank outer
Portion.
Furthermore, the end of shaft is additionally provided with operation handle,
When operating mechanism is rotary operating mechanism, operation handle is rotating handle, passes through rotating handle drive shaft
Rotation.
When operating mechanism is disconnecting link formula operating mechanism, operation handle is drawing handle, passes through drawing handle drive link
Push-and-pull.
Furthermore, gas tank uses metal material, fills insulating gas in gas tank.
Beneficial effects of the present invention are as follows: the present invention sets two stations in medium pressure gas insulated metal closed switch equipment and opens
It closes, connects major loop or earth-return circuit.It avoids existing connection type when doing Insulation Test, needs to connect the voltage of major loop
Main mutual inductor is removed；When avoiding the replacement and maintenance of voltage transformer, major loop needs to power off.The present invention is simple, safety, operation
It is convenient.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is the structural schematic diagram that the present invention is connect with voltage transformer.
Fig. 3 is the working state schematic representation that the present invention is rotary operating mechanism.
Fig. 4 is the working state schematic representation of the invention to connect major loop when rotary operating mechanism.
Fig. 5 is the working state schematic representation of the invention to connect earth-return circuit when rotary operating mechanism.
Fig. 6 is the working state schematic representation of the invention to connect major loop when door brake style operating mechanism.
Fig. 7 is the working state schematic representation of the invention to connect earth-return circuit when door brake style operating mechanism.
Fig. 8 is the structural schematic diagram of static contact of the present invention.
Label in figure: 11- moving contact, the equal wedge of 121-, 122- spring leaf, 13- insulation spindle, 141- second gear,
142- shaft, 143- rotating handle, 144- first gear, 151- pull rod, 152- connecting rod, 153- drawing handle, 16- bracket, 2-
Gas tank, 3- sealing flange.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Embodiment 1:
One embodiment of the present of invention is a kind of two position switch for Cubicle Gas-Insulated Switchgear, ginseng
According to shown in Fig. 1 include gas tank 2, moving contact 11, static contact, insulation spindle 13 and operating mechanism.The moving contact 11 and static contact 2
It is set in gas tank 2, moving contact 11 is fixed on insulation spindle 13, and is rotated synchronously with insulation spindle 13.The insulation master
Axis 13 is process by insulating materials, and insulation spindle 13 is rotatably mounted in gas tank 2 by bracket 16, is set on insulation spindle 13
There are two or more than two moving contact 11 (the present embodiment is illustrated with three situations), be correspondingly provided with two groups or two groups
Above static contact (the case where the present embodiment is with three groups are illustrated).
Static contact can be using structure as shown in Figure 8, and the static contact includes equal wedge 121 and spring leaf 122；Institute
Equal wedge 121 is stated equipped with groove, side converts into rear whole C-shaped, the spring leaf 122 respectively inwards at 122 both ends of spring leaf
It is inside embedded in the groove of the equal wedge 121.The static contact includes the static contact and connection earth-return circuit for connecting major loop
Static contact, the insulation spindle 13 rotates under the driving of operating mechanism, makes moving contact 11 and the static contact for connecting major loop
Connection, or connected with the static contact for connecting earth-return circuit.
Gas tank 2 is formed by metal material processing, and insulating gas is filled in gas tank 2, and insulating gas can be SF6, N2, CO2, do
Dry air etc..It is provided with voltage transformer outside the gas tank 2 as shown in Figure 2, the moving contact 11 connects electricity by flexible circuit conductor
Press mutual inductor.
The present invention is not particularly limited the structure of operating mechanism, and the present embodiment carries out in detail by taking rotary operating mechanism as an example
It describes in detail bright.As shown in Fig. 3, Fig. 4 and Fig. 5, the operating mechanism is rotary operating mechanism, including shaft 142, intermeshing
First gear 144 and second gear 141, first gear 144 are fixed on insulation spindle 13, and second gear 141 is fixed on shaft
The other end of 142 one end, shaft 142 is pierced by from gas tank 2, and shaft 142 rotates under the driving of external motivating force, makes touching
First 11 connect with the static contact for connecting major loop, or connect with the static contact for connecting earth-return circuit.As one kind of the invention
Preferred embodiment, the first gear 144 and second gear 141 are bevel gear.Sealing flange is provided on the gas tank 2
3, the other end of the shaft 142 passes through gas tank 2 by sealing flange 3 and reaches outside.The end of the shaft 142 is also set up
There is operation handle, the operation handle is rotating handle 143, is rotated by 143 drive shaft 142 of rotating handle.
Embodiment 2:
Another embodiment of the invention, working principle and implementation 1 are essentially identical, have and embodiment 1 is essentially identical
Gas tank 2, moving contact 11, static contact and insulation spindle 13, different mainly operating mechanisms.
The present invention is not particularly limited the structure of operating mechanism, and the present embodiment carries out in detail by taking disconnecting link formula operating mechanism as an example
It describes in detail bright.As shown in Figure 6 and Figure 7, the disconnecting link formula operating mechanism includes pull rod 151, connecting rod 152 and drawing handle 153,
One end of pull rod 151 is fixed on insulation spindle 13, and one end of the other end and connecting rod 152 is hinged, connecting rod 152) the other end from
Gas tank 2 is pierced by, and connecting rod 152 pushes and pulls under the driving of external motivating force, connects moving contact 11 with the static contact for connecting major loop,
Or it is connected with the static contact for connecting earth-return circuit.Sealing flange 3, the other end of the connecting rod 152 are provided on the gas tank 2
Gas tank 2, which is passed through, by sealing flange 3 reaches outside.The end of the shaft 142 is additionally provided with operation handle, the manipulator
Handle is drawing handle 153, is pushed and pulled by 153 drive link 152 of drawing handle.
Although the present invention has been described by way of example and in terms of the preferred embodiments, embodiment is not for the purpose of limiting the invention.Not
It is detached from the spirit and scope of the present invention, any equivalent change or retouch done also belongs to the protection scope of the present invention.Cause
This protection scope of the present invention should be based on the content defined in the claims of this application.
Claims (10)
1. a kind of two position switch for Cubicle Gas-Insulated Switchgear, it is characterised in that: including gas tank (2), move
Contact (11), static contact, insulation spindle (13) and operating mechanism, the moving contact (11) and static contact (12) are set to gas tank
(2) in, the insulation spindle (13) is rotatably mounted in gas tank (2), and the moving contact (11) is fixed on insulation spindle
(13) on, the static contact includes the static contact for connecting the static contact and connection earth-return circuit of major loop, the insulation spindle
(13) it is rotated under the driving of operating mechanism, connects moving contact (11) with the static contact for connecting major loop, or connect with connection
The static contact of earth-return connects.
2. two position switch according to claim 1 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
The static contact includes equal wedge (121) and spring leaf (122)；The equal wedge (121) is equipped with groove, the spring leaf
(122) side is equivalent rear whole C-shaped respectively inwards at both ends, is embedded at the recessed of the equal wedge (121) in the spring leaf (122)
In slot.
3. two position switch according to claim 1 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
It is provided with voltage transformer outside the gas tank (2), the moving contact (11) is connected with voltage transformer.
4. two position switch according to claim 1 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
The insulation spindle (13) is equipped with two or more moving contacts (11), is correspondingly provided with the quiet of two groups or more
Contact.
5. two position switch according to claim 1 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
The operating mechanism is rotary operating mechanism, including shaft (142), intermeshing first gear (144) and second gear
(141), first gear (144) is fixed on insulation spindle (13), and second gear (141) is fixed on one end of shaft (142), is turned
The other end of axis (142) is pierced by from gas tank (2), and shaft (142) rotates under the driving of external motivating force, make moving contact (11) with
The static contact connection of major loop is connected, or is connected with the static contact for connecting earth-return circuit.
6. two position switch according to claim 5 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
The first gear (144) and second gear (141) are bevel gear.
7. two position switch according to claim 5 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
The operating mechanism is disconnecting link formula operating mechanism, including pull rod (151), connecting rod (152) and drawing handle (153), pull rod
(151) one end is fixed on insulation spindle (13), and the other end and the one end of connecting rod (152) are hinged, the other end of connecting rod (152)
Be pierced by from gas tank (2), connecting rod (152) pushes and pulls under the driving of external motivating force, make moving contact (11) with connect the quiet of major loop
Contact connection, or connected with the static contact for connecting earth-return circuit.
8. two position switch according to claim 7 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
Sealing flange (3) are provided on the gas tank (2),
When operating mechanism is rotary operating mechanism, the other end of the shaft (142) passes through gas tank by sealing flange (3)
(2) outside is reached；
When operating mechanism is disconnecting link formula operating mechanism, the other end of the connecting rod (152) passes through gas tank by sealing flange (3)
(2) outside is reached.
9. two position switch according to claim 7 for Cubicle Gas-Insulated Switchgear, it is characterised in that:
The end of the shaft (142) is additionally provided with operation handle,
When operating mechanism is rotary operating mechanism, the operation handle is rotating handle (143), passes through rotating handle
(143) drive shaft (142) rotates；
When operating mechanism is disconnecting link formula operating mechanism, the operation handle is drawing handle (153), passes through drawing handle
(153) drive link (152) pushes and pulls.
10. two position switch according to claim 1 for Cubicle Gas-Insulated Switchgear, feature exist
In: the gas tank (2) uses metal material, fills insulating gas in gas tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181109.XU CN208690122U (en) | 2018-07-24 | 2018-07-24 | Two position switch for Cubicle Gas-Insulated Switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181109.XU CN208690122U (en) | 2018-07-24 | 2018-07-24 | Two position switch for Cubicle Gas-Insulated Switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690122U true CN208690122U (en) | 2019-04-02 |
Family
ID=65882070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821181109.XU Active CN208690122U (en) | 2018-07-24 | 2018-07-24 | Two position switch for Cubicle Gas-Insulated Switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752103A (en) * | 2018-07-24 | 2020-02-04 | 江苏大全长江电器股份有限公司 | Two-position switch for gas-insulated metal-enclosed switchgear |
-
2018
- 2018-07-24 CN CN201821181109.XU patent/CN208690122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752103A (en) * | 2018-07-24 | 2020-02-04 | 江苏大全长江电器股份有限公司 | Two-position switch for gas-insulated metal-enclosed switchgear |
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