CN206697427U - A kind of miniature circuit breaker for being easy to automated production - Google Patents
A kind of miniature circuit breaker for being easy to automated production Download PDFInfo
- Publication number
- CN206697427U CN206697427U CN201720429563.1U CN201720429563U CN206697427U CN 206697427 U CN206697427 U CN 206697427U CN 201720429563 U CN201720429563 U CN 201720429563U CN 206697427 U CN206697427 U CN 206697427U
- Authority
- CN
- China
- Prior art keywords
- shell
- connector
- circuit breaker
- bimetal leaf
- tab
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7427—Adjusting only the electrothermal mechanism
- H01H71/7436—Adjusting the position (or prestrain) of the bimetal
Landscapes
- Breakers (AREA)
Abstract
It the utility model is related to a kind of miniature circuit breaker for being easy to automated production, including shell, operating mechanism, electric heating system, arc quenching system, contact system, electric heating system includes run-on tab, bimetal leaf, connector, run-on tab is installed in shell, one end of run-on tab is extended in the arc-chutes of arc quenching system, the lower end spot welding of bimetal leaf is connected on the other end of run-on tab, the upper end of bimetal leaf is connected on moving contact by copper braid over braid, the lower end spot welding of connector is connected on the lower end of bimetal leaf, one end of adjusting screw is contradicted on the lower end of connector, the regulation bellmouth orifice being connected with the other end of adjusting screw is provided with shell, it is in truncated cone-shaped to adjust bellmouth orifice, it is R to adjust opening radius of the bellmouth orifice close to adjusting screw one end1, regulation opening radius of the bellmouth orifice away from adjusting screw one end is R2, and R1Less than R2.The utility model has the advantages of simple in construction, stable and reliable for performance, production efficiency is high.
Description
Technical field
It the utility model is related to breaker technical field, and in particular to a kind of miniature circuit breaker for being easy to automated production.
Background technology
At present, Modularized miniature circuit break due to its small volume, breaking capacity is high and clamping-rail is easy for installation, extensive use
In utilities building and private residence as electrical equipment point, close a floodgate, overload, short-circuit protection are used.Miniature circuit breaker should pass through verification before dispatching from the factory
Equipment, full validation detection is carried out to its protection feature, to ensure the reliability of its work.However, existing miniature circuit breaker
The structure design of electric heating system is unreasonable, causes the verification of miniature circuit breaker mainly based on desk checking so that production
It is less efficient, and desk checking also easily causes the unstable of product performance, and assembling inconvenience also be present in existing miniature circuit breaker
The defects of victory, arc extinction performance difference.
The content of the invention
The defects of the purpose of this utility model is to overcome prior art, there is provided it is a kind of it is simple in construction, stable and reliable for performance,
Arc extinction performance is strong, production efficiency is high and is easy to the miniature circuit breaker of automated production.
To achieve the above object, the utility model uses a kind of miniature circuit breaker for being easy to automated production, including shell,
Operating mechanism, electric heating system, arc quenching system, contact system, described operating mechanism, electric heating system, arc quenching system, contact system
It is separately positioned in the inner chamber of shell, described contact system includes moving contact, the static contact set with operating mechanism linkage, institute
The electric heating system stated includes run-on tab, bimetal leaf, connector, and described run-on tab is installed in shell, described run-on tab
One end extend in the arc-chutes of arc quenching system, the lower end spot welding of described bimetal leaf is connected to the other end of run-on tab
On, the upper end of bimetal leaf is connected on moving contact by copper braid over braid, and the lower end spot welding of described connector is connected to double gold
On the lower end for belonging to piece, corresponded in described shell and bimetallic adjusting part is provided with the lower end of connector, bimetallic regulation
Nut that component includes being fixed in shell, it is arranged on adjusting screw in nut, one end of adjusting screw is contradicted in connector
On lower end, the regulation bellmouth orifice being connected with the other end of adjusting screw is provided with described shell, the regulation bellmouth orifice is in
Truncated cone-shaped, opening radius of the regulation bellmouth orifice close to adjusting screw one end is R1, regulation bellmouth orifice is away from adjusting screw one end
Opening radius is R2, and R1Less than R2。
The beneficial effect of said structure is：What the miniature circuit breaker was engaged by being provided with shell with calibration equipment
Bellmouth orifice is adjusted, adjustment bar of the regulation bellmouth orifice to calibration equipment plays guiding, positioning action, in verification, calibration equipment
Adjustment bar can fast and accurately be directed at adjusting screw by adjusting bellmouth orifice, adjustment bar drives adjusting screw to rotate, and adjusts spiral shell
Nail promotes bimetal leaf action, so as to realize the rapid automatized verification of calibration equipment, while production efficiency is improved, also protects
The accuracy of verification has been demonstrate,proved, has been advantageous to be lifted the reliability of miniature circuit breaker.
Especially, it is in "] that the upper end of described connector, which is provided with a cross sectional shape, " wire connecting portion of shape, the wire connecting portion with
Connector is integral type structure, be provided with described wire connecting portion a cross sectional shape in " support member of [" shape, the support member with
Wire connecting portion is mutually spliced and forms a terminals sub-portion in box shape.By being provided with wire connecting portion, wire connecting portion on the coupling
It is integral type structure with connector, is easy to automated production, improves production efficiency, also reduce manufacturing cost；And wire connecting portion
Support member is inside provided with, support member can effectively improve the mechanical strength of whole terminals sub-portion, improve the miniature circuit breaker work
The reliability of work.
Especially, two raised clamping portions are provided with the both sides of described wire connecting portion, each clamping portion does not clamp
In buckling groove on shell and form the clamping of connector and shell.By being provided with clamping portion in wire connecting portion consequently facilitating
The assembling of connector and shell, the reliability of connector and cage connection is ensure that, improve the production effect of the miniature circuit breaker
Rate.
Especially, the bending striking that a basic configuration is in inverted U is provided with described run-on tab at moving contact
Portion, bending striking portion are provided with an insulating trip formed with a grasping part in the grasping part, the insulating trip is by static contact
Separate with bimetal leaf.By being provided with insulating trip on run-on tab, insulating trip can stop that electric arc sprays to bimetal leaf, from
And electric arc can be rapidly introduced into arc-chutes by arc striking piece, electric arc is quickly extinguished, so as to improve going out for the miniature circuit breaker
Arc ability.
Especially, corresponded on described connector and a U-shaped fixed part, fixed part are provided with the lower section of wire connecting portion
It is integral type structure with connector, there is a raised Access Division respectively on the both sides of the fixed part, each Access Division is blocked respectively
In the neck on shell and form the clamping of connector and shell.By being provided with clamping on the fixed part of connector
Portion, consequently facilitating the assembling of connector and shell, improve the production efficiency of the miniature circuit breaker.
Brief description of the drawings
Fig. 1 is the utility model embodiment stereogram.
Fig. 2 is the utility model embodiment cut-away view.
Fig. 3 is Fig. 2 front view.
Fig. 4 is the stereogram of the utility model embodiment run-on tab.
Fig. 5 is the stereogram of the utility model embodiment support member.
Fig. 6 is the utility model embodiment support member and connector assembling figure.
Embodiment
As shown in figs. 1 to 6, the utility model embodiment is a kind of miniature circuit breaker for being easy to automated production, including outer
Shell 10, operating mechanism 11, electric heating system 20, arc quenching system 12, contact system 13, described operating mechanism 11, electric heating system 20,
Arc quenching system 12, contact system 13 are separately positioned in the inner chamber of shell 10, and described contact system 13 includes and operating mechanism
Moving contact 131, the static contact 132 that 11 linkages are set, described electric heating system 20 include run-on tab 21, bimetal leaf 22, connection
Part 23, described run-on tab 21 are installed in shell 10, and one end of described run-on tab 21 extends in the arc extinguishing of arc quenching system 12
In room 121, the lower end spot welding of described bimetal leaf 22 is connected on the other end of run-on tab 21, and the upper end of bimetal leaf 22 leads to
Cross copper braid over braid 24 to be connected on moving contact 132, the lower end spot welding of described connector 23 is connected to the lower end of bimetal leaf 22
On.As it can be seen in figures 5 and 6, it is in "] that the upper end of described connector 23, which is provided with a cross sectional shape, " wire connecting portion 231 of shape, this connects
Line portion 231 and connector 23 are integral type structure, and it is in " the branch of [" shape that a cross sectional shape is provided with described wire connecting portion 231
Support member 25, the support member 25 splice with the phase of wire connecting portion 231 and form a terminals sub-portion 232 in box shape.By joining
Wire connecting portion is provided with fitting, wire connecting portion and connector are integral type structure, are easy to automated production, improve production efficiency,
Also reduce manufacturing cost；And support member is provided with wire connecting portion, support member can effectively improve the machinery of whole terminals sub-portion
Intensity, improve the reliability of miniature circuit breaker work.Be provided with the both sides of described wire connecting portion 231 two it is raised
Clamping portion 2311, each clamping portion 2311 are installed on the buckling groove on shell 10 Nei and form the card of connector 23 and shell 10 respectively
Connect.By being provided with clamping portion in wire connecting portion consequently facilitating the assembling of connector and shell, ensure that connector connects with shell
The reliability connect, improve the production efficiency of the miniature circuit breaker.At the lower section that wire connecting portion 231 is corresponded on described connector 23
It is provided with a U-shaped fixed part 232, fixed part 232 and connector 23 are integral type structure, the both sides of the fixed part 232
Upper to have a raised Access Division 2321 respectively, each Access Division 2321 is installed on the neck on shell 10 Nei and forms connection respectively
The clamping of fitting 23 and shell 10.By being provided with Access Division on the fixed part of connector, consequently facilitating connector and shell
Assembling, improve the production efficiency of the miniature circuit breaker.
As shown in Figures 2 and 3, corresponded in described shell 10 and be provided with bimetallic adjusting part at the lower end of connector 23
26, the bimetallic adjusting part 26 include be fixed in shell 10 nut 261, be arranged on adjusting screw 262 in nut 261,
One end of adjusting screw 262 is contradicted on the lower end of connector 23, is provided with described shell 10 another with adjusting screw 262
The regulation bellmouth orifice 101 that one end is connected, the regulation bellmouth orifice 101 are in truncated cone-shaped, and regulation bellmouth orifice 101 is close to adjusting screw
The opening radius of 262 one end is R1, regulation opening radius of the bellmouth orifice 262 away from the one end of adjusting screw 262 is R2, and R1It is less than
R2.The regulation bellmouth orifice that the miniature circuit breaker is engaged by being provided with shell with calibration equipment, the regulation bellmouth orifice pair
The adjustment bar of calibration equipment plays guiding, positioning action, and in verification, the adjustment bar of calibration equipment can be fast by adjusting bellmouth orifice
Speed, adjusting screw is accurately directed at, adjustment bar drives adjusting screw to rotate, and adjusting screw promotes bimetal leaf action, so as to real
The rapid automatized verification of existing calibration equipment, while production efficiency is improved, also ensure that the accuracy of verification, is advantageous to carry
Rise the reliability of miniature circuit breaker.As shown in Figure 2,3, 4, it is provided with one at moving contact 131 on described run-on tab 21
Basic configuration is in the bending striking portion 211 of inverted U, and bending striking portion 211 is formed with a grasping part 212, the grasping part
An insulating trip 27 is provided with 212, the insulating trip 27 separates static contact 132 and bimetal leaf 22.By in striking
Insulating trip is provided with plate, insulating trip can stop that electric arc sprays to bimetal leaf, be gone out so as to which electric arc can be rapidly introduced into by arc striking piece
In arc chamber, electric arc is quickly extinguished, so as to improve the arc extinguishing ability of the miniature circuit breaker.
Claims (5)
1. a kind of miniature circuit breaker for being easy to automated production, including shell, operating mechanism, electric heating system, arc quenching system, contact
System, described operating mechanism, electric heating system, arc quenching system, contact system are separately positioned in the inner chamber of shell, and described touches
Head system includes moving contact, the static contact set with operating mechanism linkage, it is characterised in that：Described electric heating system includes striking
Plate, bimetal leaf, connector, described run-on tab are installed in shell, and one end of described run-on tab extends in arc quenching system
Arc-chutes in, the lower end spot welding of described bimetal leaf is connected on the other end of run-on tab, and the upper end of bimetal leaf passes through
Copper braid over braid is connected on moving contact, and the lower end spot welding of described connector is connected on the lower end of bimetal leaf, and described is outer
Corresponded in shell and bimetallic adjusting part is provided with the lower end of connector, the bimetallic adjusting part includes being fixed in shell
Nut, adjusting screw in nut is arranged on, one end of adjusting screw contradicts on the lower end of connector, set on described shell
There is the regulation bellmouth orifice being connected with the other end of adjusting screw, the regulation bellmouth orifice is in truncated cone-shaped, and regulation bellmouth orifice is close to tune
The opening radius for saving screw one end is R1, regulation opening radius of the bellmouth orifice away from adjusting screw one end is R2, and R1Less than R2。
2. the miniature circuit breaker according to claim 1 for being easy to automated production, it is characterised in that：Described connector
It is in "] that upper end, which is provided with a cross sectional shape, " wire connecting portion of shape, the wire connecting portion and connector are integral type structure, described wiring
A cross sectional shape is provided with portion in " support member of [" shape, it is in square frame that the support member, which mutually splices with wire connecting portion and forms one,
The terminals sub-portion of shape.
3. the miniature circuit breaker according to claim 2 for being easy to automated production, it is characterised in that：Described wire connecting portion
Two raised clamping portions are provided with both sides, each clamping portion is not installed on the buckling groove on shell Nei and forms connector
With the clamping of shell.
4. the miniature circuit breaker according to claim 1 for being easy to automated production, it is characterised in that：On described run-on tab
The bending striking portion that a basic configuration is in inverted U is provided with moving contact, bending striking portion is empty formed with a clamping
Between, an insulating trip is provided with the grasping part, the insulating trip separates static contact and bimetal leaf.
5. the miniature circuit breaker according to claim 1 or 2 for being easy to automated production, it is characterised in that：Described connection
Corresponded on part and a U-shaped fixed part is provided with the lower section of wire connecting portion, fixed part and connector are integral type structure, and this is solid
Determine that there is a raised Access Division respectively on the both sides in portion, each Access Division is installed on the neck on shell Nei and forms connection respectively
The clamping of fitting and shell.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069561 | 2017-01-17 | ||
| CN2017200695616 | 2017-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206697427U true CN206697427U (en) | 2017-12-01 |
Family
ID=59434773
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720429563.1U Active CN206697427U (en) | 2017-01-17 | 2017-04-21 | A kind of miniature circuit breaker for being easy to automated production |
| CN201710265353.8A Pending CN106997830A (en) | 2017-01-17 | 2017-04-21 | A kind of miniature circuit breaker for being easy to automated production |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710265353.8A Pending CN106997830A (en) | 2017-01-17 | 2017-04-21 | A kind of miniature circuit breaker for being easy to automated production |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN206697427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997830A (en) * | 2017-01-17 | 2017-08-01 | 上海永继电气股份有限公司 | A kind of miniature circuit breaker for being easy to automated production |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054067A (en) * | 2017-12-06 | 2018-05-18 | 俊朗电气有限公司 | A kind of small-sized automatic reclosing |
| CN110349794B (en) * | 2019-06-20 | 2021-09-10 | 公牛集团股份有限公司 | Circuit breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3514390A1 (en) * | 1985-04-20 | 1986-10-23 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Line protection circuit breaker |
| IT1275641B1 (en) * | 1994-10-18 | 1997-10-17 | Bticino Spa | THERMAL PROTECTION GROUP FOR AUTOMATIC SWITCH |
| CN202616153U (en) * | 2012-05-18 | 2012-12-19 | 东莞基业电气设备有限公司 | Small circuit breaker |
| CN202616160U (en) * | 2012-06-07 | 2012-12-19 | 江苏普华力拓电器股份有限公司 | Miniature breaker overcurrent electrical apparatus release |
| CN203966999U (en) * | 2014-08-04 | 2014-11-26 | 浙江人民电器有限公司 | A kind of miniature circuit breaker |
| CN205542643U (en) * | 2016-01-28 | 2016-08-31 | 浙江兰德电器有限公司 | Miniature circuit breaker |
| CN205406436U (en) * | 2016-02-16 | 2016-07-27 | 浙江正泰电器股份有限公司 | Bimetallic element's of circuit breaker fixed knot constructs |
| CN206697427U (en) * | 2017-01-17 | 2017-12-01 | 上海永继电气股份有限公司 | A kind of miniature circuit breaker for being easy to automated production |
-
2017
- 2017-04-21 CN CN201720429563.1U patent/CN206697427U/en active Active
- 2017-04-21 CN CN201710265353.8A patent/CN106997830A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997830A (en) * | 2017-01-17 | 2017-08-01 | 上海永继电气股份有限公司 | A kind of miniature circuit breaker for being easy to automated production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106997830A (en) | 2017-08-01 |
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| GR01 | Patent grant |