CN106229231A - A kind of MCB miniature circuit breaker - Google Patents
A kind of MCB miniature circuit breaker Download PDFInfo
- Publication number
- CN106229231A CN106229231A CN201610658163.8A CN201610658163A CN106229231A CN 106229231 A CN106229231 A CN 106229231A CN 201610658163 A CN201610658163 A CN 201610658163A CN 106229231 A CN106229231 A CN 106229231A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- miniature circuit
- breaker body
- mcb
- switch
- 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.)
- Pending
Links
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
- H01H71/04—Means for indicating condition of the switching device
-
- 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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of MCB miniature circuit breaker, including miniature circuit breaker body, described miniature circuit breaker body is made up of the miniature circuit breaker of multiple different models, top and the bottom in miniature circuit breaker body front are respectively equipped with upper connecting terminal and lower connecting terminal, the surface of miniature circuit breaker body further respectively has switch indication light and earth leakage testing button, the side of miniature circuit breaker body is provided with padlock, the side of miniature circuit breaker body further respectively has device for under-voltage releasing equipment and shunt release, the inner chamber of miniature circuit breaker body is sequentially provided with dropout alarm contact from left to right, bimetal leaf, arc-control device, contact, electromagnetic solenoid and switch.The invention provides a kind of MCB miniature circuit breaker, simple in construction, easy to use, entirely through being provided with switch indication light clearly, switch indication light is by coordinating dropout alarm contact, it is possible to real-time display switch state and trip status accurately.
Description
Technical field
The present invention relates to miniature circuit breaker technical field, particularly relate to a kind of MCB miniature circuit breaker.
Background technology
Miniature circuit breaker, is called for short MCB (Micro Circuit Breaker), is during architectural electricity terminal power distribution draws
Most popular a kind of terminal protection electrical equipment.For the protections such as single-phase, the short circuit of three-phase of below 125A, overload, overvoltage, bag
Include one pole 1P, two pole 2P, three pole 3P, quadrupole 4P etc. four kinds.
Chopper: can turn on, carry and electric current under the conditions of disjunction normal circuit, also can be at the improper circuit of regulation
Under the conditions of connect, carry a kind of mechanical switch electrical equipment of certain time and breaking current.
Miniature circuit breaker is made up of operating mechanism, contact, protection device (various electrical apparatus release), arc quenching system etc..It is main tactile
Point is by manual operation or electric switch-on.After main contacts Guan Bi, main contacts is locked on closing position by free tripping mechanism.Cross
The coil of current release and the thermal element of thermal trip are connected with main circuit, the coil of under-voltage release and power sources in parallel.
When circuit is short-circuited or during heavy overload, the armature adhesive of overcurrent trip, make free tripping mechanism action, main contacts breaks
Open main circuit.When circuit overloads, the thermal element heating of thermal trip makes to bend on bimetal leaf, promotes free tripping mechanism to move
Make.When circuit under-voltage, the armature release of under-voltage release.Also free tripping mechanism action is made.
At present, when MCB miniature circuit breaker uses, the switch of itself and trip status display are observed inconvenient,
It not the most convenience very, be unfavorable for the normal use of miniature circuit breaker, have influence on the properly functioning shape of whole circuit
State, the most current most miniature circuit breaker, its electrical apparatus release, structure is the most complicated, although fast, but single, and easily
Fault, easily has influence on MCB miniature circuit breaker itself.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of MCB miniature circuit breaker, has fire prevention, resistance to
High temperature, impact-resistant high quality material, clearly switch indication light, two-terminal wiring, solve existing miniature circuit breaker and show not
Fully, not there is circuit real-time guard and show killer switch or the problem of trip status in real time.
The present invention provides following technical scheme: a kind of MCB miniature circuit breaker, including miniature circuit breaker body, described miniature
Breaker body is made up of the miniature circuit breaker of multiple different models, and top and the bottom in miniature circuit breaker body front set respectively
There are upper connecting terminal and lower connecting terminal, the surface of miniature circuit breaker body to further respectively have switch indication light and earth leakage is surveyed
Examination button, the side of miniature circuit breaker body is provided with padlock, and the side of miniature circuit breaker body further respectively has device for under-voltage releasing equipment
And shunt release, the inner chamber of miniature circuit breaker body is sequentially provided with dropout alarm contact, bimetal leaf, interrupter cartridge from left to right
Put, contact, electromagnetic solenoid and switch, be electrically connected between described dropout alarm contact and switch indication light, described thread off alert
Report switch, bimetal leaf, arc-control device, contact, electromagnetic solenoid and switch are all connected by electric wire.
Preferably, described switch runs through and extends to miniature circuit breaker body front.
Preferably, the opposite side of described miniature circuit breaker body is provided with sign.
Preferably, described miniature circuit breaker body uses 35mmDIN clamp rail mounting structure.
Preferably, the terminal position of the miniature circuit breaker of described miniature circuit breaker body composition is identical.
The invention provides a kind of MCB miniature circuit breaker, simple in construction, easy to use, open clearly entirely through being provided with
Closing display lamp, switch indication light is by coordinating dropout alarm contact, it is possible to real-time display switch state and trip status accurately,
Avoid the operation of observation and the circuit affecting user, it is to avoid circuit is caused damage, simultaneously use upper connecting terminal and under
Binding post, the two-terminal mode of connection, it is greatly improved the convenience of work, it is simple to the use of MCB miniature circuit breaker, adopts simultaneously
By fire prevention, high quality material high temperature resistant, impact-resistant, it is greatly improved the total quality of MCB miniature circuit breaker itself, improves
Overall quality, uses three kinds of different electrical apparatus releases simultaneously, is that device for under-voltage releasing equipment, shunt release and bimetal leaf are pyromagnetic respectively
Formula is threaded off, and its simple in construction, fault are few, it is adaptable to overload protection, it is simple to the use of MCB miniature circuit breaker, improves it and uses
Safety.
Described upper connecting terminal and lower connecting terminal all meet the touchless type terminal design of IP20 degree of protection, adopt simultaneously
Switch indication light be auxiliary switchgear, it is for indicating the on off state of chopper, and alarm contact device of threading off is used
Sending signal and show on switch indication light by state in the case of failing to thread off at chopper, shunt release is fitted simultaneously
For realizing the long-range dropout of chopper, and device for under-voltage releasing equipment, when voltage is down to the 35-70% of rated voltage, undervoltage tripping
Device military order circuit breaker tripping, when voltage rises to more than the 85% of rated voltage, can be manually by breaker closing, and bimetal leaf
For overload protection, the coefficient of expansion giving inside and outside bimetal leaf is different, but when temperature raises, the sheet metal court that the coefficient of expansion is high
The sheet metal the coefficient of expansion low is close, facilitates the use of MCB miniature circuit breaker, is suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is a kind of front schematic view that the present invention proposes;
Fig. 2 is a kind of side schematic view that the present invention proposes;
Fig. 3 is a kind of side perspective schematic diagram that the present invention proposes.
In figure: 1 miniature circuit breaker body, 2 switch indication lights, 3 switches, 4 upper connecting terminals, 5 earth leakage testing buttons,
6 lower connecting terminals, 7 padlocks, 8 device for under-voltage releasing equipment, 9 shunt releases, 10 arc-control devices, 11 trip alarms switches, 12 bimetallics
Sheet, 13 contacts, 14 actuators, 15 electromagnetic solenoid.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As Figure 1-3, Fig. 1 is a kind of front schematic view that the present invention proposes;Fig. 2 is a kind of side that the present invention proposes
Schematic diagram;Fig. 3 is a kind of side perspective schematic diagram that the present invention proposes.
Referring to Fig. 1-3, the present invention provides a kind of technical scheme: a kind of MCB miniature circuit breaker, including miniature circuit breaker this
Body 1, miniature circuit breaker body 1 is made up of the miniature circuit breaker of multiple different models, the top in miniature circuit breaker body 1 front and
Bottom is respectively equipped with upper connecting terminal 4 and lower connecting terminal 6, and the surface of miniature circuit breaker body 1 further respectively has switch instruction
Lamp 2 and earth leakage testing button 5, the side of miniature circuit breaker body 1 is provided with padlock 7, and the side of miniature circuit breaker body 1 is also
Being respectively equipped with device for under-voltage releasing equipment 8 and shunt release 9, it is alert that the inner chamber of miniature circuit breaker body 1 is sequentially provided with dropout from left to right
Report switch 11, bimetal leaf 12, arc-control device 10, contact 13, electromagnetic solenoid 15 and switch 3, switch 3 runs through and extends to micro-
Type breaker body 1 front, is user-friendly for the use of manual regulating switch 3, dropout alarm contact 11 and switch instruction
It is electrically connected between lamp 2, dropout alarm contact 11, bimetal leaf 12, arc-control device 10, contact 13, electromagnetic solenoid 15 and open
Closing 3 all to be connected by electric wire, the opposite side of miniature circuit breaker body 1 is provided with sign, is user-friendly for the miniature open circuit of identification
The brand of device, it is simple to buy or use selection, miniature circuit breaker body 1 to use 35mmDIN clamp rail mounting structure, facilitate miniature
The installation and removal of breaker body 1, the terminal position of the miniature circuit breaker of miniature circuit breaker body 1 composition is identical, it is simple to connect
Line uses.
The invention provides a kind of MCB miniature circuit breaker, simple in construction, easy to use, open clearly entirely through being provided with
Closing display lamp 2, switch indication light 2 is by coordinating dropout alarm contact 11, it is possible to display switch 3 state and dropout in real time accurately
State, it is to avoid affect the observation of user and the operation of circuit, it is to avoid circuit is caused damage, use upper connecting terminal simultaneously
4 and lower connecting terminal 6, the two-terminal mode of connection, it is greatly improved the convenience of work, it is simple to the use of MCB miniature circuit breaker,
Use fire prevention, high quality material high temperature resistant, impact-resistant simultaneously, be greatly improved the total quality of MCB miniature circuit breaker itself,
Improve the quality of entirety, use three kinds of different electrical apparatus releases simultaneously, be device for under-voltage releasing equipment 8, shunt release 9 and double gold respectively
Belonging to sheet Thermomagnetic type to thread off, its simple in construction, fault are few, it is adaptable to overload protection, it is simple to the use of MCB miniature circuit breaker, improve
Its safety used.
Upper connecting terminal 4 and lower connecting terminal 6 all meet the touchless type terminal design of IP20 degree of protection, use simultaneously
Switch indication light 2 be auxiliary switchgear, it is for indicating the on off state of chopper, and alarm contact device of threading off is used for
Sending signal in the case of chopper fails to thread off and state shown on switch indication light 2, shunt release 9 is fitted simultaneously
For realizing the long-range dropout of chopper, and device for under-voltage releasing equipment 8, when voltage is down to the 35-70% of rated voltage, undervoltage tripping
Device 8 military order circuit breaker tripping, when voltage rises to more than the 85% of rated voltage, can be manually by breaker closing, and bimetallic
Sheet 12 is for overload protection, and the coefficient of expansion giving inside and outside bimetal leaf 12 is different, but when temperature raises, the gold that the coefficient of expansion is high
Belong to sheet close towards the sheet metal that the coefficient of expansion is low, facilitate the use of miniature circuit breaker, be suitable for promoting the use of.
In the present invention, the miniature circuit breaker of employing, overload and short circuit to circuit protect, and described product all meets
IEC/EN standard-required, can be used for industry, business, skyscraper, house and other similar facilities.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (5)
1. a MCB miniature circuit breaker, including miniature circuit breaker body (1), it is characterised in that: described miniature circuit breaker body
(1) being made up of the miniature circuit breaker of multiple different models, top and the bottom in miniature circuit breaker body (1) front are respectively equipped with
Binding post (4) and lower connecting terminal (6), the surface of miniature circuit breaker body (1) further respectively has switch indication light (2) and connects
Ground leakage tests button (5), the side of miniature circuit breaker body (1) is provided with padlock (7), the side of miniature circuit breaker body (1)
Further respectively having device for under-voltage releasing equipment (8) and shunt release (9), the inner chamber of miniature circuit breaker body (1) sets the most successively
There are dropout alarm contact (11), bimetal leaf (12), arc-control device (10), contact (13), electromagnetic solenoid (15) and switch
(3), it is electrically connected between described dropout alarm contact (11) and switch indication light (2), described dropout alarm contact (11), double gold
Belong to sheet (12), arc-control device (10), contact (13), electromagnetic solenoid (15) and switch (3) all to be connected by electric wire.
A kind of MCB miniature circuit breaker the most according to claim 1, it is characterised in that: described switch (3) runs through and extends to
Miniature circuit breaker body (1) front.
A kind of MCB miniature circuit breaker the most according to claim 1, it is characterised in that: described miniature circuit breaker body (1)
Opposite side is provided with sign.
A kind of MCB miniature circuit breaker the most according to claim 1, it is characterised in that: described miniature circuit breaker body (1) is adopted
With 35mmDIN clamp rail mounting structure.
A kind of MCB miniature circuit breaker the most according to claim 1, it is characterised in that: described miniature circuit breaker body (1) group
The terminal position of the miniature circuit breaker become is identical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610658163.8A CN106229231A (en) | 2016-08-11 | 2016-08-11 | A kind of MCB miniature circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610658163.8A CN106229231A (en) | 2016-08-11 | 2016-08-11 | A kind of MCB miniature circuit breaker |
Publications (1)
Publication Number | Publication Date |
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CN106229231A true CN106229231A (en) | 2016-12-14 |
Family
ID=57548005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610658163.8A Pending CN106229231A (en) | 2016-08-11 | 2016-08-11 | A kind of MCB miniature circuit breaker |
Country Status (1)
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CN (1) | CN106229231A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108817923A (en) * | 2018-06-23 | 2018-11-16 | 刘道灵 | A kind of automated assembling equipment for electric elements |
Citations (10)
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---|---|---|---|---|
CN201392792Y (en) * | 2008-12-01 | 2010-01-27 | 何成祥 | Miniature circuit breaker with working status indicating lamp therein |
CN201570459U (en) * | 2009-12-30 | 2010-09-01 | 浙江雷顿电气科技有限公司 | Shunt release |
CN102243953A (en) * | 2010-05-13 | 2011-11-16 | 上海华联低压电器有限公司 | Plastic shell type low-voltage circuit breaker |
CN202633187U (en) * | 2012-05-09 | 2012-12-26 | 深圳市捷安信智能电气有限公司 | Splicing combination type miniature circuit breaker |
EP2685484A1 (en) * | 2011-03-09 | 2014-01-15 | Seari Electric Technology Co., Ltd. | Circuit breaker for optimizing space allocation |
CN203644717U (en) * | 2013-11-22 | 2014-06-11 | 王克诚 | Electric control moulded case circuit breaker and logic interlock moulded case circuit breaker |
CN203799987U (en) * | 2014-03-12 | 2014-08-27 | 科都电气有限公司 | Miniature circuit breaker |
CN204376526U (en) * | 2015-02-13 | 2015-06-03 | 苏州未来电器有限公司 | A kind of novel micro-disconnected Dual-power device |
CN204558381U (en) * | 2015-05-12 | 2015-08-12 | 博耳(上海)电器开关有限公司 | Be applicable to instruction and the communication device of residual current circuit breaker |
CN205248216U (en) * | 2015-12-08 | 2016-05-18 | 深圳市金宏威技术有限责任公司 | Plug -in miniature circuit breaker |
-
2016
- 2016-08-11 CN CN201610658163.8A patent/CN106229231A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201392792Y (en) * | 2008-12-01 | 2010-01-27 | 何成祥 | Miniature circuit breaker with working status indicating lamp therein |
CN201570459U (en) * | 2009-12-30 | 2010-09-01 | 浙江雷顿电气科技有限公司 | Shunt release |
CN102243953A (en) * | 2010-05-13 | 2011-11-16 | 上海华联低压电器有限公司 | Plastic shell type low-voltage circuit breaker |
EP2685484A1 (en) * | 2011-03-09 | 2014-01-15 | Seari Electric Technology Co., Ltd. | Circuit breaker for optimizing space allocation |
CN202633187U (en) * | 2012-05-09 | 2012-12-26 | 深圳市捷安信智能电气有限公司 | Splicing combination type miniature circuit breaker |
CN203644717U (en) * | 2013-11-22 | 2014-06-11 | 王克诚 | Electric control moulded case circuit breaker and logic interlock moulded case circuit breaker |
CN203799987U (en) * | 2014-03-12 | 2014-08-27 | 科都电气有限公司 | Miniature circuit breaker |
CN204376526U (en) * | 2015-02-13 | 2015-06-03 | 苏州未来电器有限公司 | A kind of novel micro-disconnected Dual-power device |
CN204558381U (en) * | 2015-05-12 | 2015-08-12 | 博耳(上海)电器开关有限公司 | Be applicable to instruction and the communication device of residual current circuit breaker |
CN205248216U (en) * | 2015-12-08 | 2016-05-18 | 深圳市金宏威技术有限责任公司 | Plug -in miniature circuit breaker |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108817923A (en) * | 2018-06-23 | 2018-11-16 | 刘道灵 | A kind of automated assembling equipment for electric elements |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |