CN201788888U - Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode - Google Patents
Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode Download PDFInfo
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- CN201788888U CN201788888U CN2010202860635U CN201020286063U CN201788888U CN 201788888 U CN201788888 U CN 201788888U CN 2010202860635 U CN2010202860635 U CN 2010202860635U CN 201020286063 U CN201020286063 U CN 201020286063U CN 201788888 U CN201788888 U CN 201788888U
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Abstract
The utility model relates to a single-phase vacuum breaker with double arc-extinguishing chambers for controlling a transmission mode, which comprises a mounting plate. The lower part of the mounting plate is provided with a control box. The vertical direction of a through hole of the mounting plate is provided with a vacuum arc-extinguishing chamber embedded pole. Two arc-extinguishing chambers are arranged in the vacuum arc-extinguishing chamber embedded pole. The vacuum arc-extinguishing chamber embedded pole is connected with a mounting disk and is fixed on the mounting plate. Both the arc-extinguishing chambers are connected with outgoing lines. Moving contacts of the two arc-extinguishing chambers are connected with an electrical connecting piece. Both the moving contacts below nuts of the two arc-extinguishing chambers are respectively sleeved with a disk spring, a three-way part and a nut part. The three-way parts are connected with an insulating pull rod. The insulating pull rod is connected with a permanent-magnetic control mechanism. The permanent-magnetic control mechanism is connected with the control box. The utility model adopts the vacuum arc-extinguishing chamber embedded pole to insulate the arc-extinguishing chambers from the insulating pull rod in a sealing mode. The ends of the moving contacts of the arc-extinguishing chambers are connected by the electrical connecting piece to form a series double-fracture mode. The disk springs are touched and pressed in the piston-type transmission mode so as to greatly prolong the mechanical service life of the breaker.
Description
Technical field:
The utility model relates to the circuit breaker of appliance field, particularly a kind of single-phase vacuum circuit breaker of controlling two arc control device of the kind of drive.
Background technology
How to improve vacuum circuit-breaker useful life, make it few maintenance in long-time running, non-maintaining, even maintenance, and can keep safe and reliable running status, be important topic in the High-Voltage Electrical Appliances design.Exchange the single-phase high voltage vacuum circuit-breaker and be widely used in power domain, and as the usefulness and the electric railway traction power supply field of electric locomotive line vacuum circuit breaker railway.The high-pressure vacuum breaker that adopts mostly is single vacuum interrupter at present, and the double break of employing mouth horizontal vacuum circuit breaker is also arranged, and the former needs large opening, and is high-speed, has a strong impact on the useful life of vacuum interrupter like this; The momentum that the latter need apply driving mechanism rotate to change direction by connecting lever, and in the rotation process of connecting lever, pivoting friction and sliding friction are bigger, so energy has certain loss, and part life has certain influence.The type of drive of circuit breaker mainly adopts spring mechanism or pneumatic gearing mode.The vacuum circuit-breaker that spring mechanism drives mainly is made up of vacuum interrupter, quadric chain, slider-rocker mechanism, energy-stored spring, insulated tension pole, rotation connecting lever, pull operation mechanism, its operation principle is: when operating mechanism closes a floodgate, the main shaft output arm clockwise rotates, be transferred to second group of four mechanism by first group of quadric chain, become rectilinear motion by slider-rocker mechanism at last.During separating brake, the separating brake holding device of operating mechanism is untied, and circuit breaker drives breaker open operation under the tripping spring effect.Spring mechanism has the shortcoming of himself, and number of spare parts is many, and the machining accuracy height is made the assembly technology complexity, and reliability is difficult for guaranteeing that circuit breaker deciliter time dispersiveness is bigger that the life-span is generally at 1～30,000 time.
Pneumatic vacuum circuit-breaker mainly is made up of vacuum interrupter, spring, insulated tension pole, transmission levers, gas circuit, divide-shut brake air valve, gas circuit divide-shut brake actuating bar, gas circuit piston, main air valve, driving cylinder, air accumulator, its operation principle is: the combined floodgate electromagnetically operated valve gets, compressed air enters the transmission cylinder by air accumulator, piston drives initiatively contact feed motion, the energy-stored spring compressed energy-storage, hold-in winding gets in the holding position, the electromagnetically operated valve dead electricity, the air of transmission cylinder is discharged, and feed motion finishes; The separating brake process is the hold-in winding dead electricity, and piston drives the action of main contact separating brake under the energy-stored spring effect, and spring recovers.The shortcoming of this circuit breaker is, the running part very complicated, and part is more, and the screens phenomenon often takes place, and the pneumatic circuit maintaining is more loaded down with trivial details, and it is shorter to repair journey.
In recent years, also at the vacuum circuit-breaker of two arc control device series connection of development and permanent magnet mechanism driving connecting lever frame mode, constitutional detail was easy to wear in some company, and need periodic maintenance and replacing at 30,000 times designed life.
Summary of the invention
In order to overcome the defective of above-mentioned prior art, the purpose of this utility model is to provide a kind of single-phase vacuum circuit breaker of controlling two arc control device of the kind of drive, have the life-span long, volume is little, in light weight, maintenance part few, non-maintaining and safe and efficient energy-conservation characteristics.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of single-phase vacuum circuit breaker of controlling two arc control device of the kind of drive, comprise the mounting panel 14 that is provided with through hole, one side of mounting panel 14 belows is provided with control cabinet 21, the vertical direction of mounting panel 14 through holes is provided with the vacuum interrupter pole 3 of hollow, vacuum interrupter pole 3 and mounting disc 13 are connected and are fixed on the upper surface of mounting panel 14, be provided with first arc control device 2 and second arc control device 4 in the vacuum interrupter pole 3, first lead-out wire 1 is connected with the quiet end of first pair of arc control device 2, second lead-out wire 6 is connected with the quiet end of second arc control device 4, be connected with electrical connector 5 on the moving contact of first arc control device 2 and on the moving contact of second arc control device 4, nut 7 is fixing with electrical connector 5, the moving contact of two arc control device nut 7 belows all is socketed with disk spring 8, three-way piece 9 and nut piece 10, the central port of three-way piece 9 is connected with insulated tension pole 11 1 ends, the other end of insulated tension pole 11 is connected with permanent-magnet manipulating mechanism 18, and the signal input part of permanent-magnet manipulating mechanism 18 is connected with the signal output part of control cabinet 21.
Described permanent-magnet manipulating mechanism 18 tops one side be provided with closing position near sensitive switch 15 and separating brake position near sensitive switch 16.
Described permanent-magnet manipulating mechanism 18 bottoms are provided with manual switching-off device 19 and fulcrum 20.
The utility model can be used for the single-phase medium voltage breaker of interchange of electric power system, also can be used as a kind of electric locomotive line vacuum circuit breaker and electric railway traction power supply ground single-phase pressure vacuum circuit-breaker of interchange of being used for; Its characteristics are to adopt vacuum interrupter pole 3 with arc control device and insulated tension pole 11 sealed insulations, electrical connector 5 links to each other arc control device movable contact head end, constitute the series connection double break form, press disk spring 8 by the kind of drive in the form of piston, act on respectively on the moving contact of two vacuum interrupters.Modulation permanent magnet mechanism size of current Based Intelligent Control transmission speed and moment more rationally satisfy switching characteristic, prolong the mechanical endurance of circuit breaker greatly.Permanent-magnet manipulating mechanism is equipped with deciliter position near sensitive switch, and the bottom is provided with hand-operating device.Through evidence, the utility model is simple in structure, and moving parts is few, and is safe and reliable, reach mechanical endurance more than 250,000 times, and freedom from repairs, the few maintenance is convenient to change.
Description of drawings
Fig. 1 is a structure principle chart of the present utility model.
Fig. 2 is the partial enlarged drawing at P place among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are described in detail.
With reference to Fig. 1, Fig. 2, a kind of single-phase vacuum circuit breaker of controlling two arc control device of the kind of drive, comprise the mounting panel 14 that is provided with through hole, the two ends of mounting panel 14 are installing holes 12, one side of mounting panel 14 belows is provided with control cabinet 21, the vertical direction of mounting panel 14 through holes is provided with the vacuum interrupter pole 3 of hollow, vacuum interrupter pole 3 and mounting disc 13 usefulness bolted are connected and are fixed on the upper surface of mounting panel 14, be provided with first arc control device 2 and second arc control device 4 in the vacuum interrupter pole 3, first lead-out wire 1 is connected with the quiet end of first arc control device 2, second lead-out wire 6 is connected with the quiet end of second arc control device 4, be connected with electrical connector 5 on the moving contact of first arc control device 2 and on the moving contact of second arc control device 4, nut 7 is fixing with electrical connector 5, the moving contact of two arc control device nut 7 belows all is socketed with disk spring 8, three-way piece 9 and nut piece 10, nut piece 10 passes through in three-way piece 9 cavitys, has guide effect, nut piece 10 has lubrication groove, form nut piece 10 and can in three-way piece 9, do the motion of piston type straight line, pressed disk spring 8; The central port of three-way piece 9 is connected with insulated tension pole 11 threaded one ends, and the other end of insulated tension pole 11 is connected by bolt 17 with the flange of permanent-magnet manipulating mechanism 18, and the signal input part of permanent-magnet manipulating mechanism 18 is connected with the signal output part of control cabinet 21.
Described permanent-magnet manipulating mechanism 18 tops one side be provided with closing position near sensitive switch 15 and separating brake position near sensitive switch 16.
Described permanent-magnet manipulating mechanism 18 bottoms are provided with manual switching-off device 19 and fulcrum 20.
Operation principle of the present utility model is: the breaker closing process, control cabinet 21 sends the order of closing a floodgate, give the closing coil energising of permanent-magnet manipulating mechanism 18, and the size and the time of passing through the intelligent modulation electric current, the transmission speed of control permanent-magnet manipulating mechanism 18 and the size of moment, permanent-magnet manipulating mechanism 18 drives insulated tension pole 11 and three-way piece 9 is made upwards rectilinear motion, three-way piece 9 presses disk spring 8, disk spring 8 presses nut 7, the moving contact of electrical connector 5 and two arc control device is rectilinear motion upwards together, after moving contact and fixed contact close a floodgate, permanent-magnet manipulating mechanism 18 drives insulated tension pole 11 and three-way piece 9 continues to move upward, 8 energy storage of three-way piece 9 compression disk springs, apply confining force for two arc control device moving contacts, combined floodgate puts in place, and combined floodgate fine motion position switch 15 gets electric, the outage of permanent-magnet manipulating mechanism 18 closing coils, indicator light shows breaker closing, and making process finishes.
The separating brake process is two kinds of situations: a kind of is circuit breaker separating brake under the operate as normal rated current, control cabinet 21 sends the separating brake order, give the energising of permanent-magnet manipulating mechanism 18 switching windings, and the size and the time of passing through the intelligent modulation electric current, the size of control permanent magnet mechanism transmission speed and moment, permanent-magnet manipulating mechanism 18 drives insulated tension pole 11 and three-way piece 9 downward moving linearlies, disk spring 8 energy storage discharge, three-way piece 9 drives nut piece 10 and moves downward, nut piece 10 attaching nuts 7, electrical connector 5 and two downward together rectilinear motions of arc control device moving contact, moving contact separates with fixed contact, control opening velocity and buffering, and separating brake puts in place, separating brake fine motion position switch 16, the outage of permanent-magnet manipulating mechanism switching winding, the separating brake indicator light shows breaker open operation, the separating brake process finishes; Another kind of situation is, circuit breaker is separating brake when overcurrent or short trouble, and control cabinet 21 sends the separating brake order, gives the permanent-magnet manipulating mechanism switching winding logical maximum current, no longer modulates, and guarantees the reliable high speed separating brake of circuit breaker, and sequence of motion as previously mentioned.
Circuit breaker is nonserviceabled down, normally debug under the separating brake action situation and at circuit breaker, when overhauling, be provided with manual switching-off device 19 and fulcrum 20 in permanent-magnet manipulating mechanism 18 bottoms, use special-purpose ripping bar, with fulcrum 20 is fulcrum, insert in manual switching-off device 19 holes, utilize fulcrum 20 and lever principle to move up and down, can drive circuit breaker by insulated tension pole 11 and divide closing operation.
Claims (3)
1. single-phase vacuum circuit breaker of controlling two arc control device of the kind of drive, comprise the mounting panel (14) that is provided with through hole, one side of mounting panel (14) below is provided with control cabinet (21), it is characterized in that, the vertical direction of mounting panel (14) through hole is provided with the vacuum interrupter pole (3) of hollow, vacuum interrupter pole (3) and mounting disc (13) are connected and are fixed on the upper surface of mounting panel (14), be provided with first arc control device (2) and second arc control device (4) in the vacuum interrupter pole (3), first lead-out wire (1) is connected with the quiet end of first pair of arc control device (2), second lead-out wire (6) is connected with the quiet end of second arc control device (4), be connected with electrical connector (5) on the moving contact of first arc control device (2) and on the moving contact of second arc control device (4), nut (7) is fixing with electrical connector (5), the moving contact of two arc control device nuts (7) below all is socketed with disk spring (8), three-way piece (9) and nut piece (10), the central port of three-way piece (9) is connected with insulated tension pole (11) one ends, the other end of insulated tension pole (11) is connected with permanent-magnet manipulating mechanism (18), and the signal input part of permanent-magnet manipulating mechanism (18) is connected with the signal output part of control cabinet (21).
2. a kind of single-phase vacuum circuit breaker of controlling two arc control device of the kind of drive according to claim 1, it is characterized in that, described permanent-magnet manipulating mechanism (18) top one side be provided with closing position near sensitive switch (15) and separating brake position near sensitive switch (16).
3. a kind of single-phase vacuum circuit breaker of controlling two arc control device of the kind of drive according to claim 1 is characterized in that, described permanent-magnet manipulating mechanism (18) bottom is provided with manual switching-off device (19) and fulcrum (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202860635U CN201788888U (en) | 2010-08-05 | 2010-08-05 | Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202860635U CN201788888U (en) | 2010-08-05 | 2010-08-05 | Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788888U true CN201788888U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202860635U Expired - Lifetime CN201788888U (en) | 2010-08-05 | 2010-08-05 | Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode |
Country Status (1)
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|---|---|
| CN (1) | CN201788888U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916687A (en) * | 2010-08-05 | 2010-12-15 | 西安通大思源电器有限公司 | Driving mode control-based single-phase vacuum circuit breaker of double arc-extinguishing chamber |
| CN102779682A (en) * | 2012-08-03 | 2012-11-14 | 库柏(宁波)电气有限公司 | Vacuum circuit breaker |
| CN103050324A (en) * | 2012-12-17 | 2013-04-17 | 大连理工大学 | Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| CN103700539A (en) * | 2014-01-10 | 2014-04-02 | 常州太平洋电力设备(集团)有限公司 | Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet |
| CN104576175A (en) * | 2014-12-22 | 2015-04-29 | 苏州施源特电气有限公司 | High-voltage double-break circuit breaker |
| CN106771925A (en) * | 2017-01-04 | 2017-05-31 | 广西银河迪康电气有限公司 | Vacuum interrupter fracture resistance test frock is pressed in one kind |
| CN111192769A (en) * | 2018-03-28 | 2020-05-22 | 平高集团有限公司 | Adjustable stroke operating mechanism assembly and circuit breaker |
-
2010
- 2010-08-05 CN CN2010202860635U patent/CN201788888U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916687A (en) * | 2010-08-05 | 2010-12-15 | 西安通大思源电器有限公司 | Driving mode control-based single-phase vacuum circuit breaker of double arc-extinguishing chamber |
| CN102779682A (en) * | 2012-08-03 | 2012-11-14 | 库柏(宁波)电气有限公司 | Vacuum circuit breaker |
| CN103050324A (en) * | 2012-12-17 | 2013-04-17 | 大连理工大学 | Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| CN103700539A (en) * | 2014-01-10 | 2014-04-02 | 常州太平洋电力设备(集团)有限公司 | Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet |
| CN103700539B (en) * | 2014-01-10 | 2015-12-16 | 常州太平洋电力设备(集团)有限公司 | For cutting the vacuum circuit-breaker of Capacitor banks gas insulation switch cabinet |
| CN104576175A (en) * | 2014-12-22 | 2015-04-29 | 苏州施源特电气有限公司 | High-voltage double-break circuit breaker |
| CN106771925A (en) * | 2017-01-04 | 2017-05-31 | 广西银河迪康电气有限公司 | Vacuum interrupter fracture resistance test frock is pressed in one kind |
| CN111192769A (en) * | 2018-03-28 | 2020-05-22 | 平高集团有限公司 | Adjustable stroke operating mechanism assembly and circuit breaker |
| CN111192769B (en) * | 2018-03-28 | 2021-11-16 | 平高集团有限公司 | Adjustable stroke operating mechanism assembly and circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |