CN218274397U - Three-station air insulation isolating switch - Google Patents
Three-station air insulation isolating switch Download PDFInfo
- Publication number
- CN218274397U CN218274397U CN202221998528.9U CN202221998528U CN218274397U CN 218274397 U CN218274397 U CN 218274397U CN 202221998528 U CN202221998528 U CN 202221998528U CN 218274397 U CN218274397 U CN 218274397U
- Authority
- CN
- China
- Prior art keywords
- contact
- mounting plate
- driving shaft
- moving
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a three station air insulation isolator belongs to electrical equipment technical field, and this three station air insulation isolator includes: the first static contact is arranged on the shell; the driving shaft is rotatably arranged on the shell, and a transmission crank arm is arranged along the radial direction of the driving shaft; the moving contact is connected with the transmission crank arm through a connecting rod, one end of the moving contact is connected with the first fixed contact through a rotating shaft, and the driving shaft is used for driving the moving contact to rotate around the rotating shaft; the second fixed contact is arranged on the shell; and the moving contact rotates around the rotating shaft to move one end of the moving contact far away from the first fixed contact between the second fixed contact and the grounding contact. When the upper end of the moving contact rotates to the front upper part of the first fixed contact, the distances from the moving contact to the second fixed contact and the grounding contact exceed 130mm, and the reliability of the open-circuit state of the three-station air-insulated isolating switch is ensured.
Description
Technical Field
The utility model belongs to the technical field of the electrical equipment technique and specifically relates to a three station air insulation isolator is related to.
Background
The three-position isolating switch is provided with a switch-on position, a switch-off position and a grounding position. Therefore, the three-position isolating switch integrates the functions of the lattice force switch and the grounding switch, and can realize mechanical locking, prevent the main loop from being electrified and closing the grounding knife, and avoid misoperation.
Therefore, the three-position isolating switch is widely applied to the ring main unit, but the structure of the new generation of switchgear gas charging cabinet is compact, and the distance between the knife and the two contacts in the isolation state is too small to meet the requirement of insulation when the existing three-position isolating switch structure is in the gas charging cabinet.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an solve one of the technical problem who exists among the prior art at least, for this reason, the utility model provides a three-station air insulation isolator can satisfy the distance requirement of isolation state lower tool and contact in aerifing the cabinet.
According to the utility model discloses three station air insulated disconnecting switch, include: the first fixed contact is arranged on the shell; the driving shaft is rotatably arranged on the shell, and a transmission crank arm is arranged along the radial direction of the driving shaft; the moving contact is connected with the transmission crank arm through a connecting rod, one end of the moving contact is connected with the first fixed contact through a rotating shaft, and the driving shaft is used for driving the moving contact to rotate around the rotating shaft; the second fixed contact is arranged on the shell; and the moving contact rotates around the rotating shaft to move one end of the moving contact far away from the first fixed contact between the second fixed contact and the grounding contact.
According to the utility model discloses three station air insulation isolator has following beneficial effect at least: when the upper end of moving contact rotated to the preceding top of first static contact, the moving contact all exceeded 130mm apart from the distance of second static contact and ground contact, ensured this three station air insulation isolator open circuit state's reliability, and guaranteed this three station air insulation isolator compact structure, shared space is little, adapts to the novel demand of aerifing the cabinet.
According to the utility model discloses a some embodiments, the casing includes first mounting panel and second mounting panel, first mounting panel and second mounting panel parallel arrangement, and first static contact, drive shaft, moving contact, second static contact and ground contact all set up between first mounting panel and second mounting panel.
According to the utility model discloses a some embodiments, all seted up the switch position peephole on first mounting panel and the second mounting panel, the switch position peephole is used for observing the position of moving contact.
According to the utility model discloses a some embodiments are provided with first mount pad between first mounting panel and the second mounting panel, and first static contact is provided with threely, and the length direction equipartition that three first static contact was followed first mount pad is on first mount pad.
According to the utility model discloses a some embodiments are provided with the second mount pad between first mounting panel and the second mounting panel, and the second static contact is provided with threely, and the length direction equipartition that the second mount pad was followed to three second static contact is on the second mount pad.
According to the utility model discloses a some embodiments are provided with the third mount pad between first mounting panel and the second mounting panel, and ground contact is provided with threely, and three ground contact is along the length direction equipartition that the third mount pad is in on the third mount pad.
According to the utility model discloses a some embodiments have three transmission connecting lever along the axial equipartition in the drive shaft, and the moving contact is provided with threely, and three moving contact is connected with three transmission connecting lever through the connecting rod respectively.
According to the utility model discloses a some embodiments, the connecting rod is circular-arcly, and the both ends of connecting rod are rotationally connected with transmission connecting lever and moving contact respectively.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of a three-position air-insulated disconnecting switch according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a left side sectional view of fig. 1.
Reference numerals:
a housing 100; a first mounting plate 110; a second mounting plate 120; switch position peephole 130; a first mount 140; a second mount 150; a third mount 160;
a first stationary contact 200;
a drive shaft 300; a transmission crank arm 310;
a movable contact 400; a connecting rod 410; a rotating shaft 420;
a second stationary contact 500;
the ground contact 600.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
A three-position air-insulated disconnector according to an embodiment of the invention is described with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the utility model discloses three station air insulation isolator of embodiment includes: the first static contact comprises a shell 100 and a first static contact 200, wherein the first static contact 200 is arranged on the shell 100; a driving shaft 300, the driving shaft 300 being rotatably provided on the housing 100, a transmission crank arm 310 being provided along a radial direction of the driving shaft 300; the moving contact 400, the moving contact 400 is connected with the transmission crank arm 310 through a connecting rod 410, one end of the moving contact 400 is connected with the first fixed contact 200 through a rotating shaft 420, and the driving shaft 300 is used for driving the moving contact 400 to rotate around the rotating shaft 420; a second stationary contact 500, the second stationary contact 500 being disposed on the housing 100; the grounding contact 600 is arranged on the housing 100, and the movable contact 400 rotates around the rotating shaft 420 to move one end of the movable contact 400 far away from the first fixed contact 200 between the second fixed contact 500 and the grounding contact 600.
As shown in fig. 1 to 3, the first mounting plate 110 is located on the left side of the housing 100, the second mounting plate 120 is located on the right side of the housing 100, the first mounting plate 110 and the second mounting plate 120 are arranged in parallel, the first mounting base 140, the second mounting base 150 and the third mounting base 160 are all in a shape of a strip, the first mounting base 140, the second mounting base 150 and the third mounting base 160 are all arranged between the first mounting plate 110 and the second mounting plate 120 along the left-right direction, the first mounting base 140, the second mounting base 150 and the third mounting base 160 are parallel to each other, three first fixed contacts 200 are evenly distributed on the first mounting base 140 along the left-right direction, three second fixed contacts 500 are evenly distributed on the second mounting base 150 along the left-right direction, three ground contacts 600 are evenly distributed on the third mounting base 160 along the left-right direction, and the first fixed contacts 200, the second fixed contacts 500 and the ground contacts 600 are located in the same plane parallel to the first mounting plate 110.
The driving shaft 300 is arranged between the first mounting plate 110 and the second mounting plate 120, the driving shaft 300 is parallel to the first mounting seat 140, three transmission crank arms 310 are arranged on the driving shaft 300, and the transmission crank arms 310 extend along the radial direction of the driving shaft 300 towards the direction far away from the axle center of the driving shaft 300. The connecting rod 410 is arc-shaped, the rear end of the connecting rod 410 is rotatably connected with the transmission crank arm 310, and the front end of the connecting rod 410 is rotatably connected with the middle section of the movable contact 400.
The number of the moving contacts 400 is three, the three moving contacts 400 are arranged in parallel, and the lower end of the moving contact 400 is connected with the first fixed contact 200 through the rotating shaft 420, so that the moving contact 400 can rotate around the rotating shaft 420, the driving shaft 300 rotates, and the upper end of the moving contact 400 is driven by the connecting rod 410 to swing between the second fixed contact 500 and the grounding contact 600. Controlling the rotation of the driving shaft 300 to swing the upper end of the movable contact 400 to the second fixed contact 500, wherein the three-station air-insulated disconnecting switch is in a closed-circuit state; controlling the rotation of the driving shaft 300 to enable the upper end of the movable contact 400 to swing to the position of the grounding contact 600, and at the moment, the three-station air insulation isolating switch is in a grounding state; the rotation of the driving shaft 300 is controlled, the upper end of the movable contact 400 swings to a position between the second fixed contact 500 and the grounding contact 600, the distance between the upper end of the movable contact 400 and the second fixed contact 500 exceeds 130mm, the distance between the upper end of the movable contact 400 and the grounding contact 600 also exceeds 130mm, and at the moment, the three-station air-insulated disconnecting switch is in a circuit-breaking state. Because the connecting rod 410 is circular-arc, consequently when moving contact 400 upper end swings to ground contact 600, moving contact 400 can not take place to interfere with connecting rod 410 yet, and connecting rod 410 is difficult for taking place to kick-back when swinging to second static contact 500 and ground contact 600, has guaranteed the reliability of this three station air insulation isolator access state and ground connection state, and has guaranteed this three station air insulation isolator compact structure, and shared space is little, adapts to the demand of novel gas insulated switchgear.
The second fixed contact 500 is located above the first fixed contact 200, and the grounding contact 600 is located in front of the first fixed contact 200, so that when the upper end of the movable contact 400 rotates to the front upper side of the first fixed contact 200, the distances from the movable contact 400 to the second fixed contact 500 and the grounding contact 600 exceed 130mm, and the reliability of the open-circuit state of the three-station air-insulated disconnecting switch is ensured.
In some embodiments of the present invention, switch position peepholes 130 are disposed on both the first mounting plate 110 and the second mounting plate 120, and the switch position peepholes 130 are used for observing the position of the moving contact 400. As shown in fig. 1, a service person and an operator can observe the position of the upper end of the movable contact 400 through the switch position peephole 130, thereby determining the state of the switch.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (8)
1. The utility model provides a three station air insulation isolator which characterized in that includes:
a housing (100) for the housing,
a first fixed contact (200), wherein the first fixed contact (200) is arranged on the shell (100);
a driving shaft (300), wherein the driving shaft (300) is rotatably arranged on the shell (100), and a transmission crank arm (310) is arranged along the radial direction of the driving shaft (300);
the moving contact (400), the moving contact (400) is connected with the transmission crank arm (310) through a connecting rod (410), one end of the moving contact (400) is connected with the first fixed contact (200) through a rotating shaft (420), and the driving shaft (300) is used for driving the moving contact (400) to rotate around the rotating shaft (420);
a second stationary contact (500), wherein the second stationary contact (500) is disposed on the housing (100);
the grounding contact (600), the grounding contact (600) is arranged on the housing (100), and the moving contact (400) rotates around the rotating shaft (420) to enable one end, away from the first fixed contact (200), of the moving contact (400) to move between the second fixed contact (500) and the grounding contact (600).
2. The three-position air-insulated disconnecting switch according to claim 1, wherein the housing (100) comprises a first mounting plate (110) and a second mounting plate (120), the first mounting plate (110) and the second mounting plate (120) are arranged in parallel, and the first fixed contact (200), the driving shaft (300), the movable contact (400), the second fixed contact (500) and the grounding contact (600) are arranged between the first mounting plate (110) and the second mounting plate (120).
3. The three-position air-insulated isolating switch of claim 2, characterized in that the first mounting plate (110) and the second mounting plate (120) are both provided with switch position peepholes (130), and the switch position peepholes (130) are used for observing the position of the movable contact (400).
4. The three-station air-insulated disconnecting switch according to claim 2, wherein a first mounting seat (140) is arranged between the first mounting plate (110) and the second mounting plate (120), three first fixed contacts (200) are arranged, and the three first fixed contacts (200) are uniformly distributed on the first mounting seat (140) along the length direction of the first mounting seat (140).
5. The three-station air-insulated disconnecting switch according to claim 4, wherein a second mounting seat (150) is disposed between the first mounting plate (110) and the second mounting plate (120), three second fixed contacts (500) are disposed, and the three second fixed contacts (500) are uniformly distributed on the second mounting seat (150) along the length direction of the second mounting seat (150).
6. The three-position air-insulated disconnecting switch according to claim 5, characterized in that a third mounting seat (160) is arranged between the first mounting plate (110) and the second mounting plate (120), three ground contacts (600) are arranged, and the three ground contacts (600) are uniformly distributed on the third mounting seat (160) along the length direction of the third mounting seat (160).
7. The three-position air insulation disconnecting switch according to claim 6, wherein three transmission crank arms (310) are uniformly distributed on the driving shaft (300) along the axial direction, three moving contacts (400) are arranged, and the three moving contacts (400) are respectively connected with the three transmission crank arms (310) through the connecting rod (410).
8. The three-position air insulation disconnecting switch according to claim 1, wherein the connecting rod (410) is arc-shaped, and two ends of the connecting rod (410) are respectively rotatably connected with the transmission crank arm (310) and the movable contact (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221998528.9U CN218274397U (en) | 2022-07-29 | 2022-07-29 | Three-station air insulation isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221998528.9U CN218274397U (en) | 2022-07-29 | 2022-07-29 | Three-station air insulation isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218274397U true CN218274397U (en) | 2023-01-10 |
Family
ID=84764864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221998528.9U Active CN218274397U (en) | 2022-07-29 | 2022-07-29 | Three-station air insulation isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218274397U (en) |
-
2022
- 2022-07-29 CN CN202221998528.9U patent/CN218274397U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6005208A (en) | Industrial draw-out circuit breaker electrical connection indication | |
| EP3259769B1 (en) | Electrical switching apparatus, and interface assembly and display apparatus therefor | |
| MX2012007571A (en) | Remote drive for disconnector/isolator used in switchgear. | |
| US3296565A (en) | Motor-driven switch operating mechanism with indicating means | |
| CN218274397U (en) | Three-station air insulation isolating switch | |
| CN113644581B (en) | Environment-friendly gas-insulated combined electrical apparatus ring main unit | |
| CN209217565U (en) | A kind of insulated switching installation | |
| JPH08168125A (en) | Switchgear | |
| US3126756A (en) | Switch operating means | |
| CN213546188U (en) | Three-station operating mechanism | |
| CN110535057B (en) | GIS equipment provided with isolating/grounding switch opening and closing in-place indicating device | |
| CN219800694U (en) | Mechanical interlocking device, isolating switch, grounding switch and three-station switch | |
| CN214152781U (en) | Electrical cabinet | |
| CN218274486U (en) | Residual current protection moulded case circuit breaker | |
| CN214254234U (en) | Three-station operating mechanism of isolating switch | |
| CN220122468U (en) | Voltage transformer cabinet | |
| CN218602332U (en) | Compact type solid-sealed pole type circuit breaker | |
| CN210925856U (en) | Exempt from to transfer and connect and be equipped with this cubical switchboard that exempts from to transfer and connect | |
| CN219696290U (en) | Electronic moulded case circuit breaker | |
| CN218414382U (en) | Anti-misoperation device of isolating switch | |
| CN216671438U (en) | Breaking position lock for circuit breaker | |
| CN111180286B (en) | Plastic case circuit breaker with good power-on and power-off stability | |
| CN212411975U (en) | Permanent magnet circuit breaker | |
| CN112185746A (en) | Three-station operating device | |
| CN211479928U (en) | Gas insulation looped netowrk cabinet isolating mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |