CN103219193A - High-voltage load switch - Google Patents
High-voltage load switch Download PDFInfo
- Publication number
- CN103219193A CN103219193A CN2013101022855A CN201310102285A CN103219193A CN 103219193 A CN103219193 A CN 103219193A CN 2013101022855 A CN2013101022855 A CN 2013101022855A CN 201310102285 A CN201310102285 A CN 201310102285A CN 103219193 A CN103219193 A CN 103219193A
- Authority
- CN
- China
- Prior art keywords
- isolation
- switch
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a high-voltage load switch, which comprises an underframe, an isolation shaft, an earthing switch and a plurality of function switches fixedly arranged on the underframe, wherein each function switch mainly comprises a static contact, an isolation disconnecting link, an insulator, a vacuum arc extinguish chamber and a fuse; the inner side of each isolation disconnecting link is hinged with an isolation draw bar; each isolation draw bar is connected to the related isolation shaft by a rocking bar; each fuse is provided with a tripping device; the movable end of each vacuum arc extinguish chamber is connected with an isolation push bar via an L-shaped connecting bar; the position of the center hinging end of each L-shaped connecting bar is fixed; and each isolation push bar is connected with a divide-shut brake switch on the lower end of the isolation push bar. In the above mode, the high-voltage load switch is provided, a mode that the vacuum arc extinguish chambers and the isolation shaft are indirectly connected is adopted by aiming at the disadvantages of the traditional load switch, the service life of each vacuum arc extinguish chamber is guaranteed, and the cost is lowered from the view of users.
Description
Technical field
The present invention relates to the electromechanical controlling device field, particularly relate 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 of 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.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 causes the damage influence life-span to arc control device easily, and common high voltage load switch control panel causes operate miss easily, hides potential safety hazard deeply; Once more, the place that mainly is in transmission connection of high voltage load switch is frequent because of activity, and fatigue strength is bigger, can greatly influence useful life.
Summary of the invention
The technical problem that the present invention 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 present invention adopts provides a kind of high voltage load switch, comprising: underframe, isolate 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 by rocking bar isolates on the axle; Described fuse is provided with trip gear; The movable end of described vacuum interrupter is connected with the insulation push rod by L type connecting rod, and the hinged end position in 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 invention has the beneficial effects as follows: a kind of high voltage load switch is provided, at the shortcoming of existing on-load switch, adopt vacuum interrupter to connect the mode that links to each other with isolating 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 present invention;
Fig. 2 is the internal structure schematic diagram of a kind of high voltage load switch of the present invention;
Fig. 3 is that schematic diagram is looked on the right side of a kind of high voltage load switch of the present invention;
The mark of each parts is as follows in the accompanying drawing: 1, underframe; 2, isolate 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, insulation bracing frame; 12, copper bar mother; 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 invention is described in detail, thereby protection scope of the present invention is made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
See also accompanying drawing 1 to Fig. 3, the embodiment of the invention comprises:
A kind of high voltage load switch comprises: underframe 1, isolate 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 with insulator by insulation bracing frame 11; 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 by rocking bar 7 isolates on the axle 2; 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 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 present invention adopts vacuum interrupter to connect the mode that links to each other with isolating 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 taking place; 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 embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention 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 invention.
Claims (4)
1. high voltage load switch comprises: underframe (1), isolate 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 by rocking bar (7) isolates on the axle (2); 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: each link on described isolation switch (42) and the insulated tension pole (5) is articulated joint (13).
4. a kind of high voltage load switch according to claim 1 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 |
|---|---|---|---|
| CN2013101022855A CN103219193A (en) | 2013-03-27 | 2013-03-27 | High-voltage load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101022855A CN103219193A (en) | 2013-03-27 | 2013-03-27 | High-voltage load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103219193A true CN103219193A (en) | 2013-07-24 |
Family
ID=48816886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101022855A Pending CN103219193A (en) | 2013-03-27 | 2013-03-27 | High-voltage load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103219193A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745874A (en) * | 2013-11-12 | 2014-04-23 | 天津威乐斯机电有限公司 | Indoor high-voltage vacuum load switch-fuse combined electrical apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034264A (en) * | 1974-04-02 | 1977-07-05 | Siemens Aktiengesellschaft | Arrangement for detecting a deficient operational capability of a vacuum switching vessel |
| CN201060788Y (en) * | 2007-06-26 | 2008-05-14 | 山东泰开真空开关有限公司 | Indoor high-tension vacuum load switch-fuse combined electrical apparatus |
| CN203205331U (en) * | 2013-03-27 | 2013-09-18 | 苏州长量电器有限公司 | High-voltage load switch |
-
2013
- 2013-03-27 CN CN2013101022855A patent/CN103219193A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034264A (en) * | 1974-04-02 | 1977-07-05 | Siemens Aktiengesellschaft | Arrangement for detecting a deficient operational capability of a vacuum switching vessel |
| CN201060788Y (en) * | 2007-06-26 | 2008-05-14 | 山东泰开真空开关有限公司 | Indoor high-tension vacuum load switch-fuse combined electrical apparatus |
| CN203205331U (en) * | 2013-03-27 | 2013-09-18 | 苏州长量电器有限公司 | High-voltage load switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103745874A (en) * | 2013-11-12 | 2014-04-23 | 天津威乐斯机电有限公司 | Indoor high-voltage vacuum load switch-fuse combined electrical apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201956268U (en) | Indoor solid-sealed type high-voltage vacuum circuit breaker | |
| CN105185649A (en) | Indoor high-voltage load switch device and method for turning off load current | |
| CN203205331U (en) | High-voltage load switch | |
| CN101162659A (en) | Switch installation used for electrical power system | |
| CN209691637U (en) | A kind of isolated vacuum circuit breaker for installing mechanical locking device | |
| CN103219193A (en) | High-voltage load switch | |
| CN104143464B (en) | Earthed switch assembly unit and high-speed grounding switch thereof | |
| CN202276065U (en) | Indoor high-voltage alternating current vacuum load switch-fuse combined electric appliance | |
| CN201918340U (en) | Small-sized circuit breaker | |
| CN104752090A (en) | High-voltage disconnecting switch convenient to maintain | |
| CN202110995U (en) | Vacuum disconnector | |
| CN202601502U (en) | Outdoor high-voltage alternating current vacuum breaker | |
| CN104143466B (en) | A kind of earthed switch assembly unit and its high-speed grounding switch | |
| CN202502955U (en) | Circuit breaker device | |
| CN202939878U (en) | Circuit switching device of 10kV distribution network demonstration system | |
| CN201570420U (en) | Indoor high-voltage three-position disconnecting switch | |
| CN201956257U (en) | Outdoor alternating-current high-voltage disconnecting switch | |
| CN201812736U (en) | Bipolar vacuum circuit breaker for gas-insulated metal-enclosed switching device | |
| CN205039112U (en) | Novel high -voltage switch | |
| CN215119852U (en) | Ring main unit of gas insulated vacuum circuit breaker | |
| CN205610080U (en) | Solid insulation metal enclosed switchgear | |
| CN203607270U (en) | Double-throw load switch | |
| CN203242554U (en) | Vacuum circuit breaker | |
| CN106558444B (en) | A kind of novel high-pressure switch | |
| CN203119374U (en) | Miniaturized split solid insulation ring main unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130724 |