CN203205331U - High-voltage load switch - Google Patents
High-voltage load switch Download PDFInfo
- Publication number
- CN203205331U CN203205331U CN 201320145004 CN201320145004U CN203205331U CN 203205331 U CN203205331 U CN 203205331U CN 201320145004 CN201320145004 CN 201320145004 CN 201320145004 U CN201320145004 U CN 201320145004U CN 203205331 U CN203205331 U CN 203205331U
- Authority
- CN
- China
- Prior art keywords
- switch
- isolation
- load switch
- voltage load
- high voltage
- 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.)
- Expired - Fee Related
Links
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 239000012212 insulator Substances 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a high-voltage load switch comprising a base rack, an isolation shaft, a grounding switch, and a number of function switches which are fixed on the base rack, wherein each function switch mainly comprises a static contact head, an isolation switch, an insulator, a vacuum arc-extinguishing chamber and a fuse. An insulation pull rod is hinged onto an inner side of the of the isolation switch, the insulation pull rod is connected onto the isolation shaft through a rocking rod, the fuse is provided with a tripping device, a moving end of the vacuum arc-extinguishing chamber is connected with an insulation push rod through an L-shaped connecting rod, a position of a central hinged end of the L-shaped connecting rod is fixed, and the insulation push rod is connected with an on-off brake switch arranged at a lower end of the insulation push rod. Through the above mode, the high-voltage load switch is provided. In order to overcome a defect of a conventional load switch, a mode that the vacuum arc-extinguishing chamber and the isolation shaft are indirectly connected is adopted. Thus, the service life of the vacuum arc-extinguishing chamber is guaranteed, and expenditure and cost are saved from the angle of a user.
Description
Technical field
The utility model relates to the electromechanical controlling device field, particularly relates to a kind of high voltage load switch.
Background technology
High voltage load switch is the control apparatus of a kind of function between primary cut-out and high voltage isolator.Because high voltage load switch has the arc extinguishing characteristics, can break-make certain load current and overload electric current, so it is often used for controlling power transformer, and connects with high-tension fuse and to be used in conjunction with.Discloseder row high voltage load switches adopt arc control device directly to link to each other with main shaft mostly at present, permanent opening and closing movement easily affects the life-span to the arc control device injury, and common high voltage load switch control panel easily causes operate miss, deeply hides potential safety hazard; Again, the place that mainly is in transmission connection of high voltage load switch is because of frequent activity, and fatigue strength is larger, can greatly affect useful life.
Summary of the invention
The technical problem that the utility model mainly solves provides a kind of high voltage load switch, and it is reasonable in design, and is simple in structure, can ensure operator's life safety, and effectively once added the useful life of high voltage load switch.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts provides a kind of high voltage load switch, comprising: underframe, isolation axle, earthed switch and be fixed on some functional switches on the underframe; Each functional switch mainly comprises: fixed contact, isolation switch, insulator, vacuum interrupter and fuse; Described isolation switch hinged inside has insulated tension pole, and insulated tension pole is connected on the isolation axle by rocking bar; Described fuse is provided with trip gear; The movable end of described vacuum interrupter is connected with the insulation push rod by the L-type connecting rod, and the hinged end position in the center of L-type connecting rod is fixed; Described insulation push rod is connected with the on-off switch of its lower end.
Preferably, described underframe is provided with five anti-locking devices of control wind-powered electricity generation on-load switch.
Preferably, each link on described isolation switch and the insulated tension pole is articulated joint.
Preferably, described insulation push rod end is provided with the back-moving spring of axial tension.
The beneficial effects of the utility model are: a kind of high voltage load switch is provided, for the shortcoming of existing on-load switch, adopt vacuum interrupter to connect the mode that links to each other with the isolation between centers, ensure the useful life of vacuum interrupter, from user's angle, reduced the cost cost.
Description of drawings
Fig. 1 is the structural representation of a kind of high voltage load switch of the utility model;
Fig. 2 is the internal structure schematic diagram of a kind of high voltage load switch of the utility model;
Fig. 3 is that schematic diagram is looked on the right side of a kind of high voltage load switch of the utility model;
The mark of each parts is as follows in the accompanying drawing: 1, underframe; 2, isolation axle; 3, earthed switch; 4, functional switch; 5, insulated tension pole; 6, insulation push rod; 7, rocking bar; 8, trip gear; 9, L-type connecting rod; 10, five anti-locking devices; 11, insulating carriage; 12, copper bar is female; 13, articulated joint; 14, back-moving spring; 41, fixed contact; 42, isolation switch; 43, insulator; 44, vacuum interrupter; 45, fuse.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection range of the present utility model is made more explicit defining.
See also accompanying drawing 1 to Fig. 3, the utility model embodiment comprises:
A kind of high voltage load switch comprises: underframe 1, isolation axle 2, earthed switch 3 and be fixed on some functional switches 4 on the underframe; Each functional switch 4 mainly comprises: fixed contact 41, isolation switch 42, insulator 43, vacuum interrupter 44 and fuse 45; Described vacuum interrupter is fixed by insulating carriage 11 and insulator; Be connected with copper bar mother 12 between insulator and the insulator; Described isolation switch 42 hinged inside have insulated tension pole 5, and insulated tension pole is connected on the isolation axle 2 by rocking bar 7; Described fuse 45 is provided with trip gear 8; The movable end of described vacuum interrupter 44 is connected with insulation push rod 6 by L-type connecting rod 9, and the hinged end position in the center of L-type connecting rod is fixed; Described insulation push rod 6 is connected with the on-off switch of its lower end.Described underframe 1 is provided with five anti-locking devices 10 of control wind-powered electricity generation on-load switch.Each link on described isolation switch and the insulated tension pole is articulated joint 13.Described insulation push rod 6 ends are provided with the back-moving spring 14 of axial tension.
A kind of high voltage load switch of the utility model adopts vacuum interrupter to connect the mode that links to each other with the isolation between centers, ensures the useful life of vacuum interrupter; Simultaneously, five anti-locking device lockings are adopted in the operation of earthed switch and isolation switch, can greatly improve coefficient of safety, prevent that security incident from occuring; In the drive mechanism of isolation switch, adopt the connected mode of universal wheel, can reduce the fatigue strength of transmission mechanism.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model description to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (4)
1. high voltage load switch comprises: underframe (1), isolation axle (2), earthed switch (3) and be fixed on some functional switches (4) on the underframe (1); Each functional switch (4) mainly comprises: fixed contact (41), isolation switch (42), insulator (43), vacuum interrupter (44) and fuse (45); Described isolation switch (42) hinged inside has insulated tension pole (5), and insulated tension pole (5) is connected on the isolation axle (2) by rocking bar (7); Described fuse (45) is provided with trip gear (8); It is characterized in that: the movable end of described vacuum interrupter (44) is connected with insulation push rod (6) by L-type connecting rod (9), and the hinged end position in center of L-type connecting rod (9) is fixed; Described insulation push rod (6) is connected with the on-off switch of its lower end.
2. a kind of high voltage load switch according to claim 1 is characterized in that: described underframe (1) is provided with five anti-locking devices (10) of control wind-powered electricity generation on-load switch.
3. a kind of high voltage load switch according to claim 1 is characterized in that: described isolation switch (42) is articulated joint (13) with each link on the insulated tension pole (5).
4. a kind of high voltage load switch according to claim 1, it is characterized in that: described insulation push rod (6) end is provided with the back-moving spring (14) of axial tension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145004 CN203205331U (en) | 2013-03-27 | 2013-03-27 | High-voltage load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145004 CN203205331U (en) | 2013-03-27 | 2013-03-27 | High-voltage load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205331U true CN203205331U (en) | 2013-09-18 |
Family
ID=49149412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320145004 Expired - Fee Related CN203205331U (en) | 2013-03-27 | 2013-03-27 | High-voltage load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203205331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219193A (en) * | 2013-03-27 | 2013-07-24 | 苏州长量电器有限公司 | High-voltage load switch |
| CN109755065A (en) * | 2017-11-03 | 2019-05-14 | 江苏明及电气股份有限公司 | A kind of arc-extinguishing mechanism for on-load switch |
-
2013
- 2013-03-27 CN CN 201320145004 patent/CN203205331U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219193A (en) * | 2013-03-27 | 2013-07-24 | 苏州长量电器有限公司 | High-voltage load switch |
| CN109755065A (en) * | 2017-11-03 | 2019-05-14 | 江苏明及电气股份有限公司 | A kind of arc-extinguishing mechanism for on-load switch |
| CN109755065B (en) * | 2017-11-03 | 2023-10-24 | 江苏明及电气股份有限公司 | Arc extinguishing mechanism for load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20180327 |