CN220253148U - Environment-friendly air insulation switch with insulation cover - Google Patents
Environment-friendly air insulation switch with insulation cover Download PDFInfo
- Publication number
- CN220253148U CN220253148U CN202321816691.3U CN202321816691U CN220253148U CN 220253148 U CN220253148 U CN 220253148U CN 202321816691 U CN202321816691 U CN 202321816691U CN 220253148 U CN220253148 U CN 220253148U
- Authority
- CN
- China
- Prior art keywords
- arc
- friendly air
- insulating cover
- insulated switch
- environmentally friendly
- 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.)
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Links
- 238000009413 insulation Methods 0.000 title claims description 16
- 238000002955 isolation Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses an environment-friendly air insulated switch with an insulating cover. The technical scheme adopted comprises the following steps: the side plates are oppositely arranged left and right, the upper cross beam, the main shaft and the lower cross beam are sequentially arranged between the side plates, the upper cross beam is provided with three-phase distributed fixed contacts, the main shaft is provided with three-phase distributed movable contacts, the lower end of the side plate is provided with an L-shaped insulating cover mounting beam, the bottom surface of the L-shaped insulating cover mounting beam is provided with a grounding conductive bar, the grounding conductive bar is provided with three-phase distributed grounding contacts, the side surface of the L-shaped insulating cover mounting beam is provided with an arc-shaped insulating cover for covering the grounding contacts, and a gap is reserved between the upper end of the arc-shaped insulating cover and the fixed contacts.
Description
Technical Field
The utility model belongs to the field of power equipment, and particularly relates to an environment-friendly air insulation switch.
Background
The gas-insulated metal-enclosed switchgear is an environment-friendly air-insulated switch for short, the whole cabinet body is combined with an air-insulated and sulfur hexafluoride gas compartment, the structure is compact, the expansion is realized, and the gas-insulated metal-enclosed switchgear is suitable for distribution automation. The structure of the environment-friendly air insulation switch comprises: the side plates are oppositely arranged left and right, an upper cross beam, a main shaft and a lower cross beam are sequentially arranged between the side plates, the upper cross beam is provided with three-phase distributed static contacts, and the main shaft is provided with three-phase distributed moving contacts. The defects of the traditional environment-friendly air insulation switch are that: when the air box is at the opening position, the distance between the isolation blade and the air box side plate is relatively short, and when the incoming cable is at the isolation end, the isolation blade is at high potential, and the air box side plate is easily discharged, so that accidents are caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an environment-friendly air insulated switch with an insulating cover.
In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: the side plates are oppositely arranged left and right, an upper beam, a main shaft and a lower beam are sequentially arranged between the side plates, a three-phase distributed fixed contact is arranged on the upper beam, and a three-phase distributed moving contact is arranged on the main shaft, and the device is characterized in that: the side plate lower extreme is equipped with "L" shape insulating boot installation roof beam's bottom surface installation ground connection conducting bar install the ground contact of three-phase distribution on the ground connection conducting bar, the side-mounting of "L" shape insulating boot installation roof beam has the arc insulating boot that covers the ground contact, arc insulating boot upper end with leave the clearance between the stationary contact.
The environment-friendly air insulated switch with the insulating cover is characterized in that: the main shaft is extended with an isolation arm wrapped on the moving contact, and the front end of the isolation arm is provided with a first arc-shaped positioning groove.
The environment-friendly air insulated switch with the insulating cover is characterized in that: and a second arc-shaped positioning groove is formed in the rear end of the main shaft, corresponding to the isolation arm.
The environment-friendly air insulated switch with the insulating cover is characterized in that: the arc insulating boot bottom integrated into one piece has the mounting panel, through the mounting panel with earhole board connection on the insulating boot installation roof beam of "L" shape.
The environment-friendly air insulated switch with the insulating cover is characterized in that: the arc-shaped insulating cover is transparent.
The environment-friendly air insulated switch with the insulating cover is characterized in that: the movable contact comprises an isolation blade which is arranged oppositely, the lower end of the isolation blade is rotatably arranged on the blade seat through a first screw rod, springs are arranged at the two ends of the first screw rod, a second screw rod is arranged at the upper end of the isolation blade, a group of disc springs which are arranged oppositely are arranged at the two ends of the second screw rod, and a positioning sleeve is arranged outside the disc springs.
The environment-friendly air insulated switch with the insulating cover is characterized in that: two bubble points are arranged on the inner side of the front end of the isolating blade.
The environment-friendly air insulated switch with the insulating cover is characterized in that: the side wall and the edge of the arc-shaped insulating cover are provided with reinforcing ribs.
The environment-friendly air insulation switch has the following advantages: 1. by arranging the insulating cover, the discharge space between the isolating blade and the side plate of the air box is blocked; 2. designed into a three-phase split structure, can adjust different phase intervals, the common ring main unit switch 150 can be used between different phase distances such as the phase distance between the conventional ring main unit switch 150 and the 180 normal pressure switch.
The utility model is further described below with reference to the drawings.
Drawings
FIG. 1 is a schematic diagram of the front structure of an environmentally friendly air insulated switch of the present utility model;
FIG. 2 is a schematic view of the back structure of the environmentally friendly air insulated switch of the present utility model;
FIG. 3 is a cross-sectional view of the environmentally friendly air insulated switch of the present utility model;
FIG. 4 is a schematic elevational view of the spindle of the present utility model;
FIG. 5 is a schematic view of the back structure of the spindle of the present utility model;
FIG. 6 is a schematic view of the structure of the insulating cover of the present utility model;
fig. 7 is a cross-sectional view of a moving contact of the present utility model.
Detailed Description
Referring to fig. 1 to 7, the environment-friendly air insulated switch with an insulating cover of the utility model comprises side plates 1 oppositely arranged left and right, and an upper beam 2, a main shaft 3 and a lower beam 4 which are sequentially arranged between the side plates 1. The upper beam 2 is provided with three-phase distributed fixed contacts 5 which are fastened by screws. The main shaft 3 is provided with moving contacts 6 distributed in three phases and fastened by screws. The lower end of the side plate 1 is provided with an L-shaped insulating cover mounting beam 7 which is fastened by screws. The ground conducting bars 8 are arranged on the bottom surface of the L-shaped insulating cover mounting beam 7, three-phase distributed ground contacts 9 are arranged on the ground conducting bars 8, and the ground contacts 9 are T-shaped. An arc-shaped insulating cover 10 covering the grounding contact 9 is arranged on the side face of the L-shaped insulating cover mounting beam 7, a gap 11 is reserved between the upper end of the arc-shaped insulating cover 10 and the fixed contact 5, and the gap 11 is arranged to observe the closing situation.
Preferably, the main shaft 3 extends with an isolation arm 13 wrapped on the moving contact 6, and the isolation arm 13 is enclosed by four sides to form a closed structure. The front end of the isolation arm 13 is provided with a first arc-shaped positioning groove 18, and the connecting mechanism at the upper end of the moving contact 6 is positioned through the first arc-shaped positioning groove 18. The spindle 3 is provided with a second arc-shaped positioning groove 19 corresponding to the rear end of the isolation arm 13, and is positioned by a connecting mechanism at the lower end of the second arc-shaped positioning groove 19. Through the positioning structure, the movable contact 6 can be more stably kept in the isolation arm 13, and then the isolation effect between adjacent movable contacts 6 is achieved, so that the safety is further improved.
Preferably, the bottom of the arc-shaped insulating cover 10 is integrally formed with a mounting plate 20, and the mounting plate 20 is connected with an ear hole plate 21 on the 'L' -shaped insulating cover mounting beam 7, so as to facilitate the mounting of the arc-shaped insulating cover 10 and keep stable.
Preferably, the arc-shaped insulating cover 10 is transparent, so as to facilitate observation of the motion condition of the moving contact 6.
Preferably, the moving contact 6 includes opposite isolating blades 22, the lower ends of the isolating blades 22 are rotatably mounted on a blade seat 24 through a first screw 23, and springs 25 are arranged at two ends of the first screw 23. The upper end of the isolating blade 22 is provided with a second screw rod 26, two ends of the second screw rod 26 are provided with a group of disc springs 27 which are arranged in a pairwise opposite mode, and a positioning sleeve 28 is arranged outside the disc springs 27. The movable contact 6 can be kept stable by the positioning sleeve 28 and the first arc-shaped positioning groove 18 in positioning fit. The disc spring 27 is used as an elastic member at the upper end of the isolating blade 22, so that the upper end of the isolating blade 22 is ensured to have clamping force, and the upper end of the isolating blade is prevented from being excessively closed towards the center, so that the isolating blade cannot be connected with the fixed contact 5.
Preferably, two bubble points 29 are provided on the inner side of the front end of the isolating blade 22, so that the isolating blade can better contact with the fixed contact 5.
Preferably, the side walls and edges of the arc-shaped insulating cover 10 are provided with reinforcing ribs 14 to improve the strength of the arc-shaped insulating cover 10.
The present utility model is not limited to the above-described preferred embodiments, but is not limited to the above-described embodiments, and any simple modification, equivalent changes and modification made by those skilled in the art can be made without departing from the scope of the present utility model, while still remaining within the scope of the present utility model.
Claims (8)
1. The utility model provides an environment-friendly air insulation switch of insulating boot in area, sets up curb plate (1) and installs in proper order including controlling relatively entablature (2), main shaft (3), bottom end rail (4) between curb plate (1), be equipped with static contact (5) that the three-phase distributes on entablature (2), be equipped with moving contact (6) that the three-phase distributes on main shaft (3), its characterized in that: the side plate (1) lower extreme is equipped with "L" shape insulating boot installation roof beam (7 "L" shape insulating boot installation roof beam's (7) bottom surface installation ground connection conducting bar (8) install ground connection contact (9) of three-phase distribution on the ground connection conducting bar (8), arc insulating boot (10) of cover ground connection contact (9) are installed to the side mounting of "L" shape insulating boot installation roof beam (7), arc insulating boot (10) upper end with leave clearance (11) between stationary contact (5).
2. The environmentally friendly air insulated switch with insulation cover according to claim 1, wherein: the main shaft (3) is extended with an isolation arm (13) wrapped on the moving contact (6), and the front end of the isolation arm (13) is provided with a first arc-shaped positioning groove (18).
3. The environmentally friendly air insulated switch with insulation cover according to claim 2, wherein: the main shaft (3) is provided with a second arc-shaped positioning groove (19) corresponding to the rear end of the isolation arm (13).
4. The environmentally friendly air insulated switch with insulation cover according to claim 1, wherein: the bottom of the arc-shaped insulating cover (10) is integrally formed with a mounting plate (20), and the mounting plate (20) is connected with an earhole plate (21) on the L-shaped insulating cover mounting beam (7).
5. The environmentally friendly air insulated switch with insulation cover according to claim 1, wherein: the arc-shaped insulating cover (10) is transparent.
6. The environmentally friendly air insulated switch with insulation cover according to claim 1, wherein: the movable contact (6) comprises an isolation blade (22) which is oppositely arranged, the lower end of the isolation blade (22) is rotatably arranged on a blade seat (24) through a first screw rod (23), springs (25) are arranged at two ends of the first screw rod (23), a second screw rod (26) is arranged at the upper end of the isolation blade (22), a group of disc springs (27) which are oppositely arranged are arranged at two ends of the second screw rod (26), and a positioning sleeve (28) is arranged outside the disc springs (27).
7. The environmentally friendly air insulated switch with insulation cover according to claim 6, wherein: two bubble points (29) are arranged on the inner side of the front end of the isolating blade (22).
8. The environmentally friendly air insulated switch with insulation cover according to claim 1, wherein: the side wall and the edge of the arc-shaped insulating cover (10) are provided with reinforcing ribs (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321816691.3U CN220253148U (en) | 2023-07-12 | 2023-07-12 | Environment-friendly air insulation switch with insulation cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321816691.3U CN220253148U (en) | 2023-07-12 | 2023-07-12 | Environment-friendly air insulation switch with insulation cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220253148U true CN220253148U (en) | 2023-12-26 |
Family
ID=89232152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321816691.3U Active CN220253148U (en) | 2023-07-12 | 2023-07-12 | Environment-friendly air insulation switch with insulation cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220253148U (en) |
-
2023
- 2023-07-12 CN CN202321816691.3U patent/CN220253148U/en active Active
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