CN109686623A - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
- Publication number
- CN109686623A CN109686623A CN201710970158.5A CN201710970158A CN109686623A CN 109686623 A CN109686623 A CN 109686623A CN 201710970158 A CN201710970158 A CN 201710970158A CN 109686623 A CN109686623 A CN 109686623A
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- CN
- China
- Prior art keywords
- access interface
- shell
- busbar
- connect
- control panel
- 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
- H01H71/08—Terminals; Connections
-
- 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
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
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- Breakers (AREA)
Abstract
The present invention relates to a kind of miniature circuit breakers, including, shell which is provided with access interface and draw port；The operating mechanism component being mounted on shell, the operating mechanism component are electrically connected or disconnect electric connection with port is drawn to control access interface, are arranged in the intracorporal control panel of shell, the detection of electrical leakage unit and electromagnetic system that connect with control panel；The detection of electrical leakage unit includes, the electric leakage induction coil for being arranged in shell and being connect with control panel, the at least two pieces of busbars for answering coil inside to pass through from leakage inductance, separated between two pieces of busbars by insulator, and connect respectively with two access interface being located on shell, two access interface are respectively used to connection firewire and electrical equipment.Miniature circuit breaker of the invention is integrated with detection of electrical leakage, earth leakage protective and short-circuit protection function, small in size, is easily installed use.
Description
Technical field
The present invention relates to a kind of Circuit breaker technology, especially a kind of miniature circuit breaker.
Background technique
Miniature circuit breaker is a kind of circuit control for being widely used in the various places such as industrial, commercial, high-rise and residential premises
System switch, generally there is a stringent limitation to the outer dimension of miniature circuit breaker, and detection of electrical leakage, earth leakage protective and short-circuit protection
Etc. function realization require setting coil, occupy volume it is larger, therefore, limited by volume, existing miniature circuit breaker
Function it is limited, it is general using will be multiple small in order to realize to functions such as the detection of electrical leakage, earth leakage protective and short-circuit protection of circuit
The integrated method used of type relay, to increase its function, which not only adds acquisition costs, and also not square when use
Just.
Given this present invention is proposed.
Summary of the invention
It is a kind of with detection of electrical leakage, earth leakage protective it is an object of the present invention to overcome the deficiencies of the prior art and provide
With the miniature circuit breaker of short-circuit protection function.
In order to realize the purpose, the present invention adopts the following technical scheme:
A kind of miniature circuit breaker, including,
Shell which is provided with access interface and draw port；
The operating mechanism component being mounted on shell, the operating mechanism component is to control access interface and draw port
It is electrically connected or disconnects and be electrically connected,
It is arranged in the intracorporal control panel of shell, further includes,
Detection of electrical leakage unit and electromagnetic system, the detection of electrical leakage unit and electromagnetic system are mounted in shell, and with control
Making sheet electrical connection.
Further, the electromagnetic system is electrically connected by detection of electrical leakage unit with access interface, passes through operating mechanism component
It is controllably electrically connected with extraction port, electromagnetic system is for driving operating mechanism component to act, to disconnect access interface and draw
Electric connection between port.
Further, the detection of electrical leakage unit includes the electric leakage induction coil for being arranged in shell and connecting with control panel,
At least two pieces of busbars for answering coil inside to pass through from leakage inductance pass through insulator between two pieces of busbars and separate, the access
Port is two, and is electrically connected respectively with two pieces of busbars.
Further, the detection of electrical leakage unit further includes conductive component；An at least busbar passes through conductive component and access
Port connection；Preferably, the conductive component is also connect with control panel, with for control panel power supply, the control panel passes through conducting wire
It is connect with zero curve.
Further, two pieces of busbars are respectively the first busbar and the second busbar；Two access interface are respectively to use
In the first access interface being connect with firewire and the second access interface for being connect with electrical equipment；First busbar from
Leakage inductance answers coil inside to run through, and the upper end is connect by conductive component with the first access interface, and lower end is connect with electromagnetic system,
Second busbar and the first busbar are spaced apart, and answer coil inside to extend through to from leakage inductance and connect with second
Inbound port contact, the second busbar are electrically connected with zero curve.
Further, the operating mechanism component, which has, makes the first access interface be electrically connected the first act bit with extraction port
It sets, and disconnects the second operating position that the first access interface is electrically connected with extraction port, the electromagnetic system is for driving operation
Mechanism assembly is switched to the second operating position from the first operating position.
Further, the electromagnetic system includes that earth leakage protective coil is wrapped in the short-circuit protection of earth leakage protective coil periphery
Coil, and it is movably disposed in the intracorporal armature component of shell, the armature component is by earth leakage protective coil or short-circuit protection
Its movement of the field drives of any generation of both coils, and band pneumatic operating mechanism component acts in its movement；The short circuit is protected
One end of protective ring is connect with the first busbar, and the other end is connect with operating mechanism component and earth leakage protective coil respectively, described
The other end of earth leakage protective coil is connect with control panel.
Further, the insulator is fixedly mounted in shell, is formed with thereon, for fixing the of the first access interface
One fixed structure, for fixing the second fixed structure of the second access interface, for fixing the third fixed knot of the second busbar
Structure and for fixing the 4th fixed structure of conductive component, the conductive component is fixedly connected with the first busbar.
Further, the first fixed structure and the second fixed structure are the deck of pair of parellel setting, the first incoming end
Mouthful and the second access interface be a metal plug socket, and corresponding in the deck, the third fixed structure is and second
The card slot of busbar cooperation, the second busbar are inserted into card slot, and the 4th fixed structure is bayonet, and the conductive component is worn
Bayonet is crossed to connect with the first access interface.
Further, the detection of electrical leakage unit is arranged close to access interface, and the electromagnetic system is located at detection of electrical leakage list
Side of the member far from access interface, and it is located at the intracorporal middle and lower part of shell, the operating mechanism component is located at the top of electromagnetic system,
The control panel is located at the upper side of detection of electrical leakage unit.
After technical solutions according to the invention, bring it is following the utility model has the advantages that
Original copper wire is substituted in miniature circuit breaker of the invention, inner utilization busbar, it is possible to reduce pad subtracts
The use of few flexible circuit conductor, occupancy is small in size, and on the other hand, the present invention is by being wrapped in earth leakage protective line for short-circuit protection coil
The periphery of circle, and circuit breaker internal space is optimized so that the present invention be integrated with simultaneously detection of electrical leakage, earth leakage protective and
The functions such as short-circuit protection substantially increase its convenience used, improve its application range.
Detailed description of the invention
Fig. 1: the main view removed after partial shell of the invention；
Fig. 2: for the Local map of Fig. 1；
Fig. 3: the structure chart under a wherein visual angle for detection of electrical leakage unit of the invention；
Fig. 4: the structure chart under another visual angle of detection of electrical leakage unit of the invention；
Fig. 5: the explosive view of detection of electrical leakage unit of the invention；
Fig. 6: circuit connection schematic diagram of the invention；
Wherein: 1, shell 2, access interface 3, extraction port 4, operating mechanism component 5, control panel 6, detection of electrical leakage
Unit 7, electromagnetic system 8, arc-control device 9, insulator 10, electrical equipment 21, the first access interface 22, the second incoming end
Mouth 41, movable contact 42, stationary contact 43, handle 44, jump mechanism 61, the first busbar 62, the second busbar 63, leakage
Electric induction coil 64, conductive component 71, earth leakage protective coil 72, short-circuit protection coil 73, armature component 91, first are solid
Determine structure 92, the second fixed structure 93, third fixed structure 94, the 4th fixed structure.
Specific embodiment
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
As shown in Figures 1 to 6, a kind of miniature circuit breaker, including, shell 1, the operating mechanism component being mounted on shell 1
4, the control panel 5 in shell 1 is set, the detection of electrical leakage unit 6 and electromagnetic system 7 connecting with control panel 5.On the shell 1
Equipped with access interface 2 and port 3 is drawn, the access interface 2 is two, respectively the first access interface 21 and the second incoming end
Mouth 22, first access interface 21 with firewire for connecting, and it is controllably electric with extraction port 3 to pass through operating mechanism component 4
Connection draws port 3 for connecting with electrical equipment 10, the electric current on firewire is imported electrical equipment 10.Described second connects
Inbound port 22 is connect for connecting with electrical equipment 10, and by conducting wire with zero curve, wherein the first access interface 21, exit
Mouth 3 and the second access interface 22 are series relationship.Electric current on firewire accesses breaker from the first access interface 21, then from drawing
Exit port 3, which is drawn, leads to electrical equipment 10, and electrical equipment 10 is connect by the second access interface 22 with zero curve.
Preferably, for rationally using the space in shell 1, two access interface 2 is arranged side by side, the detection of electrical leakage list
Member 6 is arranged close to access interface 2, and the electromagnetic system 7 is located at side of the detection of electrical leakage unit 6 far from access interface 2, and position
Middle and lower part in shell 1, the operating mechanism component 4 are located at the top of electromagnetic system 7, and the control panel 5 is located at electric leakage inspection
Survey the upper side of unit 6.
The operating mechanism component 4 has movable contact 41 and stationary contact 42, and the stationary contact 42 is fixed at shell 1
Interior, the movable contact 41 is configured to move with respect to stationary contact 42, and at least has the first act bit combined with stationary contact 42
The second operating position set and be detached from stationary contact 42.When movable contact 41 is combined with stationary contact 42, first access interface
21 are electrically connected with port 3 is drawn, when movable contact 41 and stationary contact 42 are detached from, first access interface 21 and extraction port 3
Disconnect connection.
The detection of electrical leakage unit 6 includes the electric leakage induction coil 63 for being arranged in shell 1 and connecting with control panel 5, from
At least two pieces of busbars for passing through inside electric leakage induction coil 63 are separated by insulator 9 between two pieces of busbars, and respectively with
Two access interface 2 being located on shell 1 are electrically connected.Preferably, the busbar is copper bar, it is important to note that existing
Breaker generally use copper wire from electric leakage induction coil 63 in pass through, this setup needs separately to weld more annealed copper wires,
And the present invention replaces original copper wire by setting busbar, wiring can be made simpler, and then reduce occupied space.
Specifically, two pieces of busbars are respectively the first busbar 61 and the second busbar 62, first busbar 61 from
Run through inside electric leakage induction coil 63, the upper end is connect by a conductive component 64 with the first access interface 21, lower end and electromagnetism
System 7 connects, and second busbar 62 and the first busbar 61 are spaced apart, and passes through inside electric leakage induction coil 63
It wears to extend to and be contacted with the second access interface 22, the second busbar 62 is electrically connected with zero curve.
Preferably, the insulator 9 is fixedly mounted in shell 1, is formed with thereon, for fixing the first access interface 21
First fixed structure 91, for fixing the second fixed structure 92 of the second access interface 22, for fixing the second busbar 62
Third fixed structure 93 and the 4th fixed structure 94 for fixing conductive component 64, the conductive component 64 and first it is conductive
Row 61 is fixedly connected.
Specifically, the first fixed structure 91 and the second fixed structure 92 are the deck of pair of parellel setting, and first connects
Inbound port 21 and the second access interface 22 are a metal plug socket, and corresponding in the deck, and the size of deck meets rigid
Metal plug socket is accommodated well, and by limiting metal plug socket inside it with the cooperation of shell 1.The third fixed structure 93
For the card slot cooperated with the second busbar 62, the upper end of card slot extends to the inside of the second fixed structure 92, so that second is conductive
Row 62 is inserted into metal plug socket, and the lower end of card slot extends to the upside of electric leakage induction coil 63, the second busbar 62
It is inserted into card slot, and extends along card slot.4th fixed structure 94 be bayonet, the conductive component 64 pass through bayonet with
The connection of first access interface 21 is equipped with screw on conductive component 64 to be fitted close with the bayonet.
The electromagnetic system 7 includes earth leakage protective coil 71, is wrapped in the short-circuit protection line of 71 periphery of earth leakage protective coil
Circle 72, and the armature component 73 being movably disposed in shell 1, the armature component 73 is by earth leakage protective coil 71 or short
Its movement of the field drives of any generation of both coils 72 is protected on road, and band pneumatic operating mechanism component 4 acts in its movement, with
It is detached from movable contact 41 and stationary contact 42.The short-circuit protection coil 72 is wrapped in the periphery of earth leakage protective coil 71, compares two
For person is independently arranged, occupied space can be reduced.
One end of the short-circuit protection coil 72 is connect with the lower end of the first busbar 61, the other end respectively with stationary contact 42
It is connected with earth leakage protective coil 71, the other end of the earth leakage protective coil 71 is connect with control panel 5, earth leakage protective coil 71
Power on/off is controlled by control panel 5, and the movable contact 41 is connect with port 3 is drawn.
The conductive component 64 is also connect with control panel 5, with for control panel 5 power supply, the control panel 5 also by conducting wire with
Zero curve connection.
Preferably, the miniature circuit breaker further includes the arc-control device 8 being arranged between stationary contact 42 and extraction port 3；
The operating mechanism component 4 further includes handle 43, the jump mechanism 44 connecting with handle 43, and the handle 43 drives jump mechanism
44 combine movable contact 41 with stationary contact 42, and the jump mechanism 44 also cooperates with electromagnetic system 7, and the electromagnetic system 7 drives
Jump mechanism 44 is detached from movable contact 41 and stationary contact 42.
The operation principle of the present invention is that:
When movable contact 41 is combined with stationary contact 42, electric current introduces breaker through the first access interface 21, in breaker
Split into two branches, wherein one for controller power, another electric current through the first busbar 61, short-circuit protection coil 72,
Stationary contact 42, movable contact 41, extraction port 3 access in electrical equipment 10, then from electrical equipment 10 through the second access interface
22, the second busbar 62 accesses in zero curve.In normal power-up, the magnetic field that short-circuit protection coil 72 generates is not enough to attract rank
Iron component 73 acts, and when short circuit occurs for circuit, electric current becomes larger, and correspondingly short-circuit protection coil 72 generates high-intensity magnetic field and attracts rank
Iron component 73 acts, and triggers movable contact 41 and the disengaging of stationary contact 42 by jump mechanism 44, plays short-circuit protection function.When with
When electric equipment 10 is leaked electricity, the electric current on two busbars can change, and generate accordingly on electric leakage induction coil 63
Induced current, when induced current is more than setting value, control panel 5 controls earth leakage protective coil 71 and is powered, and attracts armature component
73 movements cross jump mechanism 44 and trigger movable contact 41 and the disengaging of stationary contact 42, play creepage protection function.
The above is embodiments of the present invention, it is noted that for the ordinary skill in the art, not
It is detached under the premise of the principle of the invention, various deformation and improvement can also be made, this also should be considered as protection scope of the present invention.
Claims (10)
1. a kind of miniature circuit breaker, including,
Shell (1) which is provided with access interface (2) and draw port (3)；
The operating mechanism component (4) being mounted on shell (1), the operating mechanism component (4) to control access interface (2) with
It draws port (3) and is electrically connected or disconnects electric connection,
The control panel (5) being arranged in shell (1), it is characterised in that: further include,
Detection of electrical leakage unit (6) and electromagnetic system (7), the detection of electrical leakage unit (6) and electromagnetic system (7) are mounted on shell
(1) it in, and is electrically connected with control panel (5).
2. a kind of miniature circuit breaker according to claim 1, it is characterised in that: the electromagnetic system (7) passes through electric leakage inspection
It surveys unit (6) to be electrically connected with access interface (2), be controllably electrically connected with extraction port (3) by operating mechanism component (4), electricity
Magnetic system (7) is for driving operating mechanism component (4) to act, to disconnect access interface (2) and draw being electrically connected between port (3)
It is logical.
3. a kind of miniature circuit breaker according to claim 2, it is characterised in that: the detection of electrical leakage unit (6) includes, if
The electric leakage induction coil (63) connecting in shell (1) and with control panel (5) is set, is passed through inside electric leakage induction coil (63)
At least two pieces of busbars are separated by insulator (9) between two pieces of busbars, and the access interface (2) is two, and respectively with
Two pieces of busbars are electrically connected.
4. a kind of miniature circuit breaker according to claim 3, it is characterised in that: the detection of electrical leakage unit (6) further includes,
Conductive component；An at least busbar is connect by conductive component (64) with access interface (2)；Preferably, the conductive component
(64) it is also connect with control panel (5), with for control panel (5) power supply, the control panel (5) is connect by conducting wire with zero curve.
5. a kind of miniature circuit breaker according to claim 4, it is characterised in that: two pieces of busbars are respectively first to lead
Electricity row (61) and the second busbar (62)；Two access interface (2) are respectively the first access interface (21) for connecting with firewire
With the second access interface (22) for being connect with electrical equipment；First busbar (61) is out of electric leakage induction coil (63)
Portion is run through, and the upper end is connect by conductive component (64) with the first access interface (21), and lower end is connect with electromagnetic system (7), institute
It states the second busbar (62) and the first busbar (61) is spaced apart, and through extension inside electric leakage induction coil (63)
To contacting with the second access interface (22), the second busbar (62) is electrically connected with zero curve.
6. a kind of miniature circuit breaker according to claim 5, it is characterised in that: the operating mechanism component (4) have make
First access interface (21) is electrically connected the first operating position with port (3) are drawn, and disconnects the first access interface (21) and extraction
The second operating position that port (3) is electrically connected, the electromagnetic system (7) is for driving operating mechanism component (4) from the first movement
Position is switched to the second operating position.
7. a kind of miniature circuit breaker according to claim 6, it is characterised in that: the electromagnetic system (7) includes that electric leakage is protected
Protective ring (71), is wrapped in the short-circuit protection coil (72) of earth leakage protective coil (71) periphery, and is movably disposed in shell
Armature component (73) in body (1), the armature component (73) is by earth leakage protective coil (71) or short-circuit protection coil (72) two
Its movement of the field drives of any generation of person, and band pneumatic operating mechanism component (4) acts in its movement；The short-circuit protection line
Circle (72) one end connect with the first busbar (61), the other end respectively with operating mechanism component (4) and earth leakage protective coil
(71) it connects, the other end of the earth leakage protective coil (71) is connect with control panel (5).
8. a kind of miniature circuit breaker according to claim 3, it is characterised in that: the insulator (9) is fixedly mounted on shell
In body (1), it is formed with, for fixing the first fixed structure (91) of the first access interface (21), is connect for fixing second thereon
The second fixed structure (92) of inbound port (22), for fixing the third fixed structure (93) of the second busbar (62) and for solid
Determine the 4th fixed structure (94) of conductive component (64), the conductive component (64) is fixedly connected with the first busbar (61).
9. a kind of miniature circuit breaker according to claim 8, it is characterised in that: the first fixed structure (91) and second
Fixed structure (92) is that the deck of pair of parellel setting, the first access interface (21) and the second access interface (22) are inserted for a metal
Joint chair, and correspond in the deck, the third fixed structure (93) is the card slot cooperated with the second busbar (62), the
Two busbars (62) are inserted into card slot, and the 4th fixed structure (94) is bayonet, and the conductive component (64) passes through bayonet
It is connect with the first access interface (21).
10. a kind of miniature circuit breaker according to claim 1, it is characterised in that: the detection of electrical leakage unit (6) close to
Access interface (2) setting, the electromagnetic system (7) are located at the side of detection of electrical leakage unit (6) far from access interface (2), and position
Middle and lower part in shell (1), the operating mechanism component (4) are located at the top of electromagnetic system (7), control panel (5) position
In the upper side of detection of electrical leakage unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970158.5A CN109686623B (en) | 2017-10-18 | 2017-10-18 | Small-sized circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970158.5A CN109686623B (en) | 2017-10-18 | 2017-10-18 | Small-sized circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109686623A true CN109686623A (en) | 2019-04-26 |
| CN109686623B CN109686623B (en) | 2020-08-28 |
Family
ID=66182778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710970158.5A Active CN109686623B (en) | 2017-10-18 | 2017-10-18 | Small-sized circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686623B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963453A (en) * | 1995-08-22 | 1997-03-07 | Fuji Electric Co Ltd | Leakage trip device for earth leakage breaker |
| JP2002329450A (en) * | 2001-04-27 | 2002-11-15 | Matsushita Electric Works Ltd | Earth leakage breaker |
| CN201369306Y (en) * | 2009-03-05 | 2009-12-23 | 漳州马可电器科技有限公司 | Breaker leakage protection and short circuit protection structure |
| CN102136401A (en) * | 2011-03-24 | 2011-07-27 | 浙江天正电气股份有限公司 | Miniature circuit breaker with leakage protection function |
| CN102290292A (en) * | 2011-06-28 | 2011-12-21 | 常熟开关制造有限公司(原常熟开关厂） | Aftercurrent protection circuit breaker |
| CN205789777U (en) * | 2016-06-01 | 2016-12-07 | 温州创伟永吉电气有限公司 | New pattern creepage breaker |
-
2017
- 2017-10-18 CN CN201710970158.5A patent/CN109686623B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963453A (en) * | 1995-08-22 | 1997-03-07 | Fuji Electric Co Ltd | Leakage trip device for earth leakage breaker |
| JP2002329450A (en) * | 2001-04-27 | 2002-11-15 | Matsushita Electric Works Ltd | Earth leakage breaker |
| CN201369306Y (en) * | 2009-03-05 | 2009-12-23 | 漳州马可电器科技有限公司 | Breaker leakage protection and short circuit protection structure |
| CN102136401A (en) * | 2011-03-24 | 2011-07-27 | 浙江天正电气股份有限公司 | Miniature circuit breaker with leakage protection function |
| CN102290292A (en) * | 2011-06-28 | 2011-12-21 | 常熟开关制造有限公司(原常熟开关厂） | Aftercurrent protection circuit breaker |
| CN205789777U (en) * | 2016-06-01 | 2016-12-07 | 温州创伟永吉电气有限公司 | New pattern creepage breaker |
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| Publication number | Publication date |
|---|---|
| CN109686623B (en) | 2020-08-28 |
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