CN205122512U - Novel prepayment miniature circuit breaker - Google Patents
Novel prepayment miniature circuit breaker Download PDFInfo
- Publication number
- CN205122512U CN205122512U CN201520583527.1U CN201520583527U CN205122512U CN 205122512 U CN205122512 U CN 205122512U CN 201520583527 U CN201520583527 U CN 201520583527U CN 205122512 U CN205122512 U CN 205122512U
- Authority
- CN
- China
- Prior art keywords
- lever
- extension spring
- conducting rod
- main extension
- circuit breaker
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model belongs to the circuit breaker field is to current circuit breaker dropout dumb and a novel prepayment miniature circuit breaker who provides. Including circuit breaker unit and prepayment dropout unit, prepayment dropout unit includes the casing, a conductive ro, the driving part, tripping device, the electromagnetism release, the electronic control system, the arc extinguishing system, defeated entry control signal terminal of electronic control system configuration and output feedback signal terminal, tripping device includes main extension spring, a lever, torsional spring and moving contact, be equipped with the two conducting rod location bosss that correspond on the conducting rod, conducting rod one end is bent downwards, be equipped with a positioning groove who is used for the welding contact in the part of bending, the L utmost point power of electronic control system is got electricity adoption welded pipe and is led electrical pillar and be connected, the welded pipe lower part is established one and is used for welding spacing location annular boss, the utility model discloses the tripping device flexible movements are reliable, little, the low power dissipation of product internal resistance, and product life is long, and reliable performance is higher.
Description
Technical field
The utility model belongs to field of circuit breakers, particularly relates to a kind of novel prepayment miniature circuit breaker.
Background technology
The tripping mechanism of existing circuit breaker is dumb, and easy appearance is not threaded off phenomenon, causes subscriber arrearage also can continue to use, can not play the object preventing user from not paying the electricity charge.
Utility model content
The purpose of this utility model is dumb for existing circuit breaker tripping and a kind of novel prepayment miniature circuit breaker that is that provide.
The utility model is achieved by the following technical solution:
A kind of novel prepayment miniature circuit breaker, comprise breaker unit and pre-payment trip unit, described pre-payment trip unit comprises housing, conducting rod, driving link, tripping mechanism, magnetictrip, electronic control system, arc quenching system, electronic control system arranges input control signal terminal and output feedback signal terminal, described tripping mechanism comprises main extension spring, lever, torsion spring and moving contact, lever is movably connected on housing by an axle, torsion spring set is connected on this axle, and one end is fixed on axle, the other end is overlapped on lever, lever one end connects main extension spring, the lever other end is moving contact, main extension spring one end is connected on reference column, reference column is fixed on housing.
Lever is provided with an inside groove snapped in for main extension spring, and on lever, be provided with the extension spring positioning boss that restriction main extension spring moves, described main extension spring one end is semicircle poroid, the other end is two right-angle bending hook-type and carries out hinged with the inside groove on lever, main extension spring is fixed, the moving contact on lever and lever integral structure by the extension spring positioning boss of two on interior trough rim.
Described conducting rod unitary design, conducting rod is provided with the conducting rod positioning boss of two correspondences, both sides, conducting rod positioning boss termination are provided with the fillet being convenient to locate engaging, conducting rod one end downward bending, dogleg section is provided with one for the detent of solder contacts, there is at dogleg section end the rhombus chamfering structure of the transfer being beneficial to electric arc.
The L pole power supply power taking of electronic control system adopts welded pipe to be connected with conductive pole, and described welded pipe bottom establishes one for the location annular boss of welded limiting, and described conductive pole is Z-shaped structure.
The beneficial effects of the utility model: the flexible movements of the utility model tripping mechanism are reliable, and product internal resistance is little, low in energy consumption, and life of product is long, and unfailing performance is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of circuit breaker entirety;
Fig. 2 is the internal structure schematic diagram of pre-payment trip unit;
The structural representation of Fig. 3 tripping mechanism;
Fig. 4 is the structural representation of conducting rod;
Fig. 5 is the syndeton schematic diagram of welded pipe and conductive pole.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
Embodiment
As Figure 1-Figure 5, a kind of novel prepayment miniature circuit breaker, comprise breaker unit 1 and pre-payment trip unit 2, described pre-payment trip unit 2 comprises housing, conducting rod 25, driving link 21, tripping mechanism 22, magnetictrip 24, electronic control system 26, arc quenching system 27, electronic control system arranges input control signal terminal and output feedback signal terminal, it should be noted that, described tripping mechanism comprises main extension spring 23, lever 2220, torsion spring 30 and moving contact 2210, lever is movably connected on housing by an axle, torsion spring set is connected on this axle, and torsion spring 30 one end is fixed on axle, the other end is overlapped on lever, lever one end connects main extension spring, the lever other end is moving contact 2210, main extension spring 23 one end is connected on reference column 2110, reference column 2110 is fixed on housing.
It should be noted that further on lever 2220, to be provided with an inside groove snapped in for main extension spring 23, and on lever 2220, be provided with the extension spring positioning boss 2221 that restriction main extension spring 23 moves, described main extension spring 23 one end is semicircle poroid, the other end is two right-angle bending hook-type and carries out hinged with the inside groove on lever 2220, main extension spring is fixed, the moving contact 2210 on lever 2220 and lever 2220 integral structure by the extension spring positioning boss 2221 of two on interior trough rim.Described conducting rod 25 unitary design, conducting rod 25 is provided with the conducting rod positioning boss 2510 of two correspondences, both sides, conducting rod positioning boss 2510 termination are provided with the fillet being convenient to locate engaging, conducting rod 25 one end downward bending, dogleg section is provided with one for the detent 2520 of solder contacts 28, there is at dogleg section end rhombus chamfering 2530 structure of the transfer being beneficial to electric arc.
Further it should be noted that the L pole power supply power taking of electronic control system 26 adopts welded pipe 2610 to be connected with conductive pole 29, described welded pipe 2610 bottom establishes one for the location annular boss 2611 of welded limiting, and described conductive pole 29 is Z-shaped structure.
When circuit breaker moves to combined floodgate direction by driving link 21 is stressed, tripping mechanism 22 is driven to move, continue mobile driving link 21 when moving to lockup state, breaker closing circuit ON, now moving contact 2210 moves to and contacts with the contact 28 on conducting rod 25, described conducting rod 25 is engaged with housing by positioning boss 2510 locates, described contact 28 and conducting rod 25 utilize groove 2520 to weld and locate, by the twisting force of the main torsion spring of mechanism, between moving contact 2210 and contact 28, there is certain contact.Electronic control system is provided with input control signal terminal and output feedback signal terminal, when input precharging control signal disappears, electronic control system 26 detect and transfer instruction to magnetictrip 24, iron core in magnetictrip 24 drives tripping mechanism 22 to flick rapidly by the effect of main extension spring 23 pulling force instantaneously in dropout by push rod, described main extension spring 23 one end is semi-circular hole 2310 shape, penetrate housing reference column 2110 to locate, the other end is two right-angle bending hook-type and carries out hinged with the inside groove on lever 2220, fixed by two positioning boss 2221 on inside groove both sides, output feedback signal terminal output signal is fed back circuit-breaker switching on-off state, output signal is had to be "on" position, non-output signal is gate-dividing state.The L pole power supply of described electronic control system 26 is connected by welded pipe 2610, welded pipe 2610 is weldingly fixed in electronic control system 26 by location annular boss 2611, conductive pole 29V shape bending end inserts in welded pipe 2610, and the other end inserts the circuit breaker power taking of L pole.While moving contact 2210 flicks rapidly, have breaking arc produce, and along with the distance flicked continues to increase, electric arc is elongated, when moving contact 2210 flicks to off-state, electric arc can cause end rhombus chamfering 2530 along the bending contact-making surface of conducting rod 25, and and then electric arc is concentrated fast and entered arc quenching system 27 inside division cooling extinguishing.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, simple change and the replacement of those ordinary skill in the art are all within protection range of the present utility model.
Claims (1)
1. a novel prepayment miniature circuit breaker, comprise breaker unit (1) and pre-payment trip unit (2), described pre-payment trip unit (2) comprises housing, conducting rod (25), driving link (21), tripping mechanism (22), magnetictrip (24), electronic control system (26), arc quenching system (27), electronic control system arranges input control signal terminal and output feedback signal terminal, it is characterized in that: described tripping mechanism comprises main extension spring (23), lever (2220), torsion spring (30) and moving contact (2210), lever is movably connected on housing by an axle, torsion spring set is connected on this axle, and torsion spring (30) one end is fixed on axle, the other end is overlapped on lever, lever one end connects main extension spring, the lever other end is moving contact (2210), main extension spring (23) one end is connected on reference column (2110), reference column (2110) is fixed on housing,
Lever (2220) is provided with an inside groove snapped in for main extension spring (23), and on lever (2220), be provided with the extension spring positioning boss (2221) that restriction main extension spring (23) moves, described main extension spring (23) one end is semicircle poroid, the other end is two right-angle bending hook-type and carries out hinged with the inside groove on lever (2220), by the fixing main extension spring of the extension spring positioning boss (2221) of two on interior trough rim, the moving contact (2210) on lever (2220) and lever (2220) integral structure;
Described conducting rod (25) unitary design, conducting rod (25) is provided with the conducting rod positioning boss (2510) of two correspondences, conducting rod positioning boss (2510) both sides, termination are provided with the fillet being convenient to locate engaging, conducting rod (25) one end downward bending, dogleg section is provided with one for the detent (2520) of solder contacts (28), there is at dogleg section end rhombus chamfering (2530) structure of the transfer being beneficial to electric arc;
The L pole power supply power taking of electronic control system (26) adopts welded pipe (2610) to be connected with conductive pole (29), described welded pipe (2610) bottom establishes one for the location annular boss (2611) of welded limiting, and described conductive pole (29) is in Z-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583527.1U CN205122512U (en) | 2015-08-05 | 2015-08-05 | Novel prepayment miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583527.1U CN205122512U (en) | 2015-08-05 | 2015-08-05 | Novel prepayment miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205122512U true CN205122512U (en) | 2016-03-30 |
Family
ID=55578096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520583527.1U Withdrawn - After Issue CN205122512U (en) | 2015-08-05 | 2015-08-05 | Novel prepayment miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205122512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070609A (en) * | 2015-08-05 | 2015-11-18 | 浙江凯发电气股份有限公司 | Novel prepaid miniature circuit breaker |
-
2015
- 2015-08-05 CN CN201520583527.1U patent/CN205122512U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070609A (en) * | 2015-08-05 | 2015-11-18 | 浙江凯发电气股份有限公司 | Novel prepaid miniature circuit breaker |
| CN105070609B (en) * | 2015-08-05 | 2018-01-16 | 浙江凯发电气有限公司 | A kind of pre-payment miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20180116 |