CN106710975B - Plug in circuit breaker - Google Patents
Plug in circuit breaker Download PDFInfo
- Publication number
- CN106710975B CN106710975B CN201510772574.5A CN201510772574A CN106710975B CN 106710975 B CN106710975 B CN 106710975B CN 201510772574 A CN201510772574 A CN 201510772574A CN 106710975 B CN106710975 B CN 106710975B
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- Prior art keywords
- plug
- circuit breaker
- outlet
- terminal plate
- shell
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Classifications
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- 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
- H01H71/08—Terminals; Connections
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Abstract
A kind of plug in circuit breaker; it includes shell (1); wire inlet mechanism (2), outlet mechanism (3), operating mechanism (4), arc-extinguishing mechanism (5), short current protective mechanism (6) and overload protecting mechanism (7); a kind of plug in circuit breaker that the present invention designs; it disclosure satisfy that plug in circuit breaker occupied space is than narrow in DC circuit, the requirement that especially patching operations end firmly must be consistent with inlet wire direction.Entire plug in circuit breaker galvanic circle and interface requirements path are short, reduce plug in circuit breaker volume, have saved plug in circuit breaker installation cost.
Description
Technical field
The invention belongs to Low Voltage Electrical Apparatus, are exactly specifically to be related to a kind of plug in circuit breaker for DC circuit.
Background technology
Plug in circuit breaker is divided into high pressure plug in circuit breaker and low pressure plug in circuit breaker by its use scope.Low pressure is inserted
Enter formula breaker and be also known as automatic switch, it is a kind of existing manual switch effect, and can carry out automatically decompression, under-voltage, overload and
The electric appliance of short-circuit protection.It can be used to distribute electric energy, infrequently start asynchronous motor, real to power circuit and motor etc.
Row protection, when serious overload or short circuit and the failures such as under-voltage occurs in they can automatic shutdown circuit, function is equivalent to
Fuse switch and the combination for crossing underheat relay etc., and parts need not be generally changed after disjunction fault current,
It has had been widely used.
Plug in circuit breaker divides according to the installation method：There are plug-in type, fixed and drawer type, plug in circuit breaker to use energy
The safety that electrical equipment uses industry is enough effectively improved, with plug in circuit breaker making extensively on various electrical equipments
With, in order to meet the installation needs of various different electrical equipments, the structure of plug in circuit breaker also develop to it is of all kinds, at present
In layout of the existing tradition plug in circuit breaker product in installation site, operating device is installed in operation on the left of cabinet,
And low pressure plug in circuit breaker input port and output port and plug in circuit breaker ontology, plug in circuit breaker install fixing card
Button bit is set on the right side of operation installation cabinet, but with the development of the matched electrical equipment technology of plug in circuit breaker,
Certain small space installation plug in circuit breaker cannot achieve operating device on the left of operation installation cabinet, and low pressure is inserted into
Formula breaker input port and output port and plug in circuit breaker ontology, plug in circuit breaker installation fixed card buckle position are being grasped
Make the purpose on the right side of installation cabinet, needs to be laid out again when existing this traditional plug in circuit breaker is installed if necessary
External connecting leads and copper bar, occupied space is big, and switching is of high cost.
Invention content
It is specific the purpose of the present invention is being mounted on for the existing plug in circuit breaker referred in above-mentioned background technology
Small space needs to be laid out external connecting leads and copper bar again, and occupied space is big, technological deficiency of high cost of transferring.Again it sets
A kind of plug in circuit breaker is counted, disclosure satisfy that plug in circuit breaker occupied space especially connects than narrow in DC circuit
Line operating side exert oneself with inlet wire direction must be consistent requirement.Entire plug in circuit breaker galvanic circle and interface requirements path
It is short, plug in circuit breaker volume is reduced, plug in circuit breaker installation cost has been saved.
Technical solution
In order to achieve the above technical purposes, the present invention designs a kind of plug in circuit breaker, it includes shell, wire inlet mechanism,
Outlet mechanism, operating mechanism, arc-extinguishing mechanism, short current protective mechanism and overload protecting mechanism, the operating mechanism top are connected with
Button mechanism, button mechanism are mounted in the mounting groove of housing top end, and outlet mechanism is installed mounted in the outlet mechanism of housing top end
In slot, outlet mechanism is located on the left of button mechanism, and arc-extinguishing mechanism is located at below operating mechanism, and short current protective mechanism is mounted in outlet machine
It is located on the left of operating mechanism below structure, short current protective mechanism is located above arc-extinguishing mechanism, in short current protective mechanism and outlet mechanism
Connecting terminal connection, overload protecting mechanism is located at arc-extinguishing mechanism right side, and wire inlet mechanism is located at overload protecting mechanism and arc extinguishing machine
It is mounted in the inlet wire mounting groove of shell bottom end below structure, wire inlet mechanism is connected with overload protecting mechanism, it is characterised in that：Institute
It includes plug-in terminal plate, pluggable signal terminal plate and spring to state wire inlet mechanism, and end of incoming cables conductor connections are plug-in
Connection.
Further, the operating mechanism, arc-extinguishing mechanism, short current protective mechanism and overload protecting mechanism are mounted in case body
It is interior.
Further, the shell includes base and cover.
Further, the outlet mechanism includes outlet terminal and outlet terminal plate, and the outlet terminal includes wire frame, whirlpool
Wheel, upper limit bit slice, lower limit bit slice and special-shaped screw, upper limit bit slice and lower limit bit slice overlap respectively be installed on wire frame upper bottom surface and
In the bayonet slot of bottom surface, special-shaped screw passes through the limit hole of upper limit bit slice and lower limit on piece and can turn in limit hole
Dynamic, turbine both ends are located at special-shaped screw side in the mounting hole on wire frame, and special-shaped screw can be dialled during rotating
Dynamic turbine rotation is to adjust the size of turbine opening.
Further, the short current protective mechanism includes terminal plate, yoke plate, armature, mandril and spring, the yoke occur
Plate coats outlet terminal plate, and yoke plate is fitted together with outlet terminal plate, and armature is located at the side of outlet terminal plate, and armature resists
Mandril, via of the mandril on outlet terminal plate and yoke plate can push the dropout part of operating mechanism, be set on mandril
Spring.
Further, the overload protecting mechanism includes plug-in terminal plate, connecting plate, bimetallic element and adjusting screw,
The connecting plate is installed on the back of plug-in terminal plate, and adjusting screw is in the adjustment hole of connecting plate, bimetallic element
One end be inserted into the installation slotted eye at terminal plate back and be fixed together with connecting plate, adjusting screw passes through adjustment hole that can adjust
Save the initial position of bimetallic element.
Further, the yoke plate is integral type with arc plate is led.
Further, the special-shaped screw passes through mounting hole one end of lower limit on piece to be equipped with limiting slot, split washer installation
In limiting slot, special-shaped screw is made to be merely able to rotate；
Turbine rotation can be stirred by itself screw thread during the special-shaped screw rotation to adjust turbine opening
Size.
Further, the upper limit bit slice and the limit hole of lower limit on piece are coaxial.
Further, the armature lower end dress can rotate on the shell around junction.
Advantageous effect
A kind of plug in circuit breaker that the present invention designs, disclosure satisfy that plug in circuit breaker occupied space in DC circuit
Than narrow, especially patching operations end exert oneself with inlet wire direction must be consistent requirement.Entire plug in circuit breaker conduction is returned
Road and interface requirements path are short, reduce plug in circuit breaker volume, have saved plug in circuit breaker installation cost.
Description of the drawings
Attached drawing 1 is the exploded view of the present invention.
Attached drawing 2 is mounting structure schematic diagram of the present invention.
Attached drawing 3 is internal structure schematic diagram of the present invention.
Attached drawing 4 is outlet mechanism product figure in the present invention.
Attached drawing 5 is outlet mechanism structural schematic diagram in the present invention.
Attached drawing 6 is short current protective mechanism product figure in the present invention.
Attached drawing 7 is short current protective mechanism structural schematic diagram in the present invention.
Attached drawing 8 is overload protecting mechanism and wire inlet mechanism product figure in the present invention.
Attached drawing 9 is overload protecting mechanism and wire inlet mechanism structural schematic diagram in the present invention.
Attached drawing 10 is button mechanism product figure in the present invention.
Attached drawing 11 is button mechanism structural schematic diagram in the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention will be further described.
Embodiment
As shown in attached drawing 1~3, a kind of plug in circuit breaker, it includes shell 1, wire inlet mechanism 2, outlet mechanism 3, operation
Mechanism 4, arc-extinguishing mechanism 5, short current protective mechanism 6 and overload protecting mechanism 7,4 top of the operating mechanism are connected with button mechanism
8, button mechanism 8 is mounted in the mounting groove 101 on 1 top of shell, and outlet mechanism of the outlet mechanism 3 mounted in 1 top of shell is installed
In slot 102, outlet mechanism 3 is located at 8 left side of button mechanism, and arc-extinguishing mechanism 5 is located at 4 lower section of operating mechanism, and short current protective mechanism 6 fills
It is located at 4 left side of operating mechanism below outlet mechanism 3, short current protective mechanism 6 is located above arc-extinguishing mechanism, short current protective mechanism 6
It is connect with the connecting terminal 3a in outlet mechanism 3, overload protecting mechanism 7 is located at 5 right side of arc-extinguishing mechanism, and wire inlet mechanism 2 was located at
It carries protection mechanism 7 and 5 lower section of arc-extinguishing mechanism is mounted in the inlet wire mounting groove 103 of 1 bottom end of shell, wire inlet mechanism 2 is protected with overload
Shield mechanism 7 is connected, and the operating mechanism 4, arc-extinguishing mechanism 5, short current protective mechanism 6 and overload protecting mechanism 7 are mounted in 1 shell of shell
In vivo.
The specifically described shell 1 includes pedestal 1a and lid 1b.
The outlet mechanism 3 includes outlet terminal 3a and outlet terminal plate 3b, the outlet terminal as shown in figs. 4 and 5
3a include wire frame 3a1, turbine 3a2, upper limit bit slice 3a3, lower limit bit slice 3a4 and special-shaped screw 3a5, upper limit bit slice 3a3 and under
Banking stop 3a4 is overlapped respectively to be installed in the bayonet slot 3a101,3a101 ' of wire frame 3a1 upper bottom surfaces and bottom surface, special-shaped screw
3a5 passes through upper limit bit slice 3a3 and limit hole on lower limit bit slice 3a4 and can be rotated in limit hole, and the both ends turbine 3a2 are mounted in
It is located at the sides special-shaped screw 3a5 in mounting hole 3a02 on wire frame 1, whirlpool can be stirred during special-shaped screw 3a5 rotations
Wheel 3a2 rotations are to adjust the size of turbine opening.It is square that the outlet mechanism 3 can make the connecting terminal operating side of breaker exert oneself
To with wiring direction in approximately the same plane direction, it is only necessary to a direction in space can complete patching operations, save breaker
Wiring space, while larger pressure is generated on wiring direction using screw thread rotation.
Preferably, the special-shaped screw 3a5 passes through mounting hole one end on lower limit bit slice 3a4 to be equipped with limiting slot, opening gear
Circle is mounted in limiting slot, and special-shaped screw 3a5 is made to be merely able to rotate, and can pass through itself during special-shaped screw 3a5 rotations
Screw thread stirs turbine 3a2 rotations to adjust the size of turbine opening.Limit on the upper limit bit slice 3a3 and lower limit bit slice 3a4
Position hole is coaxial.
As seen in figs. 6 and 7, the short current protective mechanism 6 includes terminal plate 3b, yoke plate 601, armature 602, top occur
Bar 603 and spring 604, the yoke plate 602 are integral type with arc plate 605 is led.The yoke plate 601 coats outlet terminal plate
3b, yoke plate 601 are fitted together by rivet and outlet terminal plate 3b riveteds, and armature 602 is located at the side of outlet terminal plate 3b,
Armature 602 resists mandril 603, and mandril 603 passes through the via on outlet terminal plate 3b and yoke plate 601 that can push operating mechanism
4 dropout part is set with spring 604 on mandril 603.602 lower end of the armature can rotate on shell 1 around junction.
Short current protective mechanism does in the clapper-type electromagnetic mechanism, compared with coil type electromagnetic mechanism volume smaller, and then reduces breaker volume.
As shown in figs. 8 and 9, the wire inlet mechanism 2 includes plug-in terminal plate 201,202 and of pluggable signal terminal plate
Spring 203, end of incoming cables conductor connections connect for plug-in.The overload protecting mechanism 7 include plug-in terminal plate 201,
Connecting plate 701, bimetallic element 702 and adjusting screw 703, the connecting plate 701 are installed on the back of the body of plug-in terminal plate 201
Portion, adjusting screw 703 in the adjustment hole 70101 of connecting plate 701, be inserted into terminal plate 201 and carry on the back by one end of bimetallic element 702
It is fixed together in the installation slotted eye in portion and with connecting plate 701, adjusting screw 703 passes through adjustment hole 70101 that can adjust double gold
Belong to the initial position of element 702.To adjust time-delay characteristics.Overload protecting mechanism 7 becomes one with wire inlet mechanism 2, can be with
Without using being flexible coupling, solder joint is reduced, low-temperature-rise is dropped, also reduces breaker volume.
As shown in attached drawing 10 and 11, the button mechanism 8 includes button 801, sliding block 802, indicator 803,804 and of push rod
Button compression spring 805, button slot 101 of the button 801 on shell 1 is interior and can be reciprocal back and forth up and down in button slot 101
Movement, 803 upper end of indicator are inserted into the instruction slot 80101 in button 801, and 803 side of indicator is equipped with cylindrical shaft 80301,
Cylindrical shaft 80301 stretches into the cylinder axis hole 80102 that 801 lower end of button is correspondingly arranged, and indicator 803 can be around cylindrical shaft
80301 pivots, button 801 expose shell 801 one side on be provided with indicator hole 80103, indicator 803 is located at indicator hole
80103 one side is equipped with opening and closing state and shows label 80302, and indicator 803 is during 80301 pivot of cylindrical shaft
Opening and closing state shows that label 80302 is shown by indicator hole 80103 respectively, and indicator 803 stretches out transmission protrusion
80303, transmission protrusion 80303 stretches into the driving groove 80201 on sliding block 802, and the limit on sliding block 802 is stretched out in 803 lower end of indicator
The pillar segment that position slot 80202 resists push rod 804 can make push rod 804 that elastic deformation occur downwards, and 804 upper end of push rod is mounted in shell
On 1, for button compression spring 805 on shell 1,805 one end of button spring connects indicator 803.Button mechanism 8 is by breaker
Close a floodgate, separating brake action and the instruction of combined floodgate gate-dividing state it is integrated, make breaker that can be realized pair using the action of a button
The operation and instruction of breaker closing separating brake action.
The formula breaker that the present invention designs disclosure satisfy that breaker occupied space is than narrow in alternating current circuit, especially
It is the requirement that patching operations end firmly must be consistent with inlet wire direction.Entire breaker galvanic circle and interface requirements path are short,
Breaker volume is reduced, breaker installation cost has been saved.
Structure, ratio, size etc. depicted in the present embodiment institute accompanying drawings, only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the present invention, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influencing the present invention
Under raw effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre ", " clockwise ", " counterclockwise " use
Language is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune
It is whole, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
Claims (9)
1. a kind of plug in circuit breaker, it includes shell (1), wire inlet mechanism (2), outlet mechanism (3), operating mechanism (4), arc extinguishing
Mechanism (5), short current protective mechanism (6) and overload protecting mechanism (7), operating mechanism (4) top are connected with button mechanism
(8), button mechanism (8) is mounted in the mounting groove (101) on shell (1) top, and outlet mechanism (3) is mounted in shell (1) top
In outlet mechanism mounting groove (102), outlet mechanism (3) is located on the left of button mechanism (8), and arc-extinguishing mechanism (5) is located at operating mechanism
(4) lower section, short current protective mechanism (6) are located at below outlet mechanism (3) on the left of operating mechanism (4), short current protective mechanism (6)
Above arc-extinguishing mechanism, short current protective mechanism (6) is connect with the connecting terminal (3a) in outlet mechanism (3), overload protection machine
Structure (7) is located on the right side of arc-extinguishing mechanism (5), and wire inlet mechanism (2) is located at installation below overload protecting mechanism (7) and arc-extinguishing mechanism (5)
In the inlet wire mounting groove (103) of shell (1) bottom end, wire inlet mechanism (2) is connected with overload protecting mechanism (7), and feature exists
In：The wire inlet mechanism (2) includes plug-in terminal plate (201), pluggable signal terminal plate (202) and spring (203), inlet wire
Conductor connections are held to be connected for plug-in；
The outlet mechanism (3) includes outlet terminal (3a) and outlet terminal plate (3b), and the outlet terminal (3a) includes wiring
Frame (3a1), turbine (3a2), upper limit bit slice (3a3), lower limit bit slice (3a4) and special-shaped screw (3a5), upper limit bit slice (3a3) and
Lower limit bit slice (3a4) overlaps respectively to be installed in the bayonet slot (3a101,3a101 ') of wire frame (3a1) upper bottom surface and bottom surface,
Special-shaped screw (3a5) passes through upper limit bit slice (3a3) and limit hole on lower limit bit slice (3a4) and can be rotated in limit hole,
The both ends turbine (3a2) are located at the side special-shaped screw (3a5), special-shaped screw in the mounting hole (3a02) on wire frame (1)
(3a5) can stir turbine (3a2) rotation to adjust the size of turbine opening during rotating.
2. a kind of plug in circuit breaker as described in claim 1, it is characterised in that：The operating mechanism (4), arc-extinguishing mechanism
(5), short current protective mechanism (6) and overload protecting mechanism (7) are in shell (1) shell.
3. a kind of plug in circuit breaker as described in claim 1, it is characterised in that：The shell (1) include pedestal (1a) and
It covers (1b).
4. a kind of plug in circuit breaker as described in claim 1, it is characterised in that：The short current protective mechanism (6) includes
Line terminal plate (3b), yoke plate (601), armature (602), mandril (603) and spring (604), yoke plate (601) cladding
Outlet terminal plate (3b), yoke plate (601) are fitted together with outlet terminal plate (3b), and armature (602) is located at outlet terminal plate
The side of (3b), armature (602) resist mandril (603), and mandril (603) passes through on outlet terminal plate (3b) and yoke plate (601)
Via can push the dropout parts of operating mechanism (4), be set with spring (604) on mandril (603).
5. a kind of plug in circuit breaker as described in claim 1, it is characterised in that：The overload protecting mechanism (7) includes inserting
Formula terminal plate (201), connecting plate (701), bimetallic element (702) and adjusting screw (703) are pulled out, the connecting plate (701) is solid
Surely it is mounted in the back of plug-in terminal plate (201), adjusting screw (703) is interior mounted in the adjustment hole (70101) of connecting plate (701),
One end of bimetallic element (702) is inserted into the installation slotted eye at terminal plate (201) back and is fixed on one with connecting plate (701)
It rises, adjusting screw (703) can adjust the initial position of bimetallic element (702) across adjustment hole (70101).
6. a kind of plug in circuit breaker described in claim 4, it is characterised in that：The yoke plate (602) and lead arc plate (605)
For integral type.
7. a kind of plug in circuit breaker described in claim 1, it is characterised in that：The special-shaped screw (3a5) passes through lower limit
Mounting hole one end on piece (3a4) is equipped with limiting slot, and split washer is mounted in limiting slot, and special-shaped screw (3a5) is made to be merely able to
Rotation；
Turbine (3a2) rotation can be stirred during special-shaped screw (3a5) rotation by itself screw thread to adjust whirlpool
Take turns the size of opening.
8. a kind of plug in circuit breaker described in claim 1, it is characterised in that：The upper limit bit slice (3a3) and lower limit bit slice
Limit hole on (3a4) is coaxial.
9. a kind of plug in circuit breaker described in claim 4, it is characterised in that：Armature (602) lower end is mounted in shell (1)
On can be rotated around junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772574.5A CN106710975B (en) | 2015-11-12 | 2015-11-12 | Plug in circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772574.5A CN106710975B (en) | 2015-11-12 | 2015-11-12 | Plug in circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106710975A CN106710975A (en) | 2017-05-24 |
| CN106710975B true CN106710975B (en) | 2018-11-02 |
Family
ID=58918848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510772574.5A Active CN106710975B (en) | 2015-11-12 | 2015-11-12 | Plug in circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710975B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993900B (en) * | 2017-10-26 | 2023-12-12 | 上海良信电器股份有限公司 | Plug-in miniature circuit breaker |
| CN107833799B (en) * | 2017-10-26 | 2024-09-20 | 上海良信电器股份有限公司 | Fixing and unlocking mechanism of plug-in circuit breaker |
| CN109686626B (en) * | 2018-12-28 | 2024-05-07 | 浙江正泰电器股份有限公司 | Small-sized circuit breaker |
| CN109637907B (en) * | 2018-12-28 | 2024-05-14 | 浙江正泰电器股份有限公司 | Small-sized circuit breaker |
| CN113823537B (en) * | 2021-10-28 | 2024-01-30 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Tripping protection device of circuit breaker |
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| CN102623259A (en) * | 2012-02-27 | 2012-08-01 | 温州创伟永吉电气有限公司 | Quick wiring type breaker |
| CN102623260A (en) * | 2012-02-27 | 2012-08-01 | 温州创伟永吉电气有限公司 | Rapid wiring type breaker |
| CN102881528A (en) * | 2012-09-25 | 2013-01-16 | 上海诺雅克电气有限公司 | Circuit breaker |
| CN205303371U (en) * | 2015-11-12 | 2016-06-08 | 上海良信电器股份有限公司 | Plug -in type breaker |
| CN106340429A (en) * | 2015-07-16 | 2017-01-18 | 上海良信电器股份有限公司 | Plug-in circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6894594B2 (en) * | 2003-06-20 | 2005-05-17 | Eaton Corporation | Circuit breaker including a cradle and a pivot pin therefor |
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2015
- 2015-11-12 CN CN201510772574.5A patent/CN106710975B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623259A (en) * | 2012-02-27 | 2012-08-01 | 温州创伟永吉电气有限公司 | Quick wiring type breaker |
| CN102623260A (en) * | 2012-02-27 | 2012-08-01 | 温州创伟永吉电气有限公司 | Rapid wiring type breaker |
| CN102881528A (en) * | 2012-09-25 | 2013-01-16 | 上海诺雅克电气有限公司 | Circuit breaker |
| CN106340429A (en) * | 2015-07-16 | 2017-01-18 | 上海良信电器股份有限公司 | Plug-in circuit breaker |
| CN205303371U (en) * | 2015-11-12 | 2016-06-08 | 上海良信电器股份有限公司 | Plug -in type breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106710975A (en) | 2017-05-24 |
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