CN106229231A - A kind of MCB miniature circuit breaker - Google Patents

A kind of MCB miniature circuit breaker Download PDF

Info

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
Application number
CN201610658163.8A
Other languages
Chinese (zh)
Inventor
刘东健
滕猛
徐俊煜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Heavy Industries China Electric Co Ltd
Original Assignee
Hyundai Heavy Industries China Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hyundai Heavy Industries China Electric Co Ltd filed Critical Hyundai Heavy Industries China Electric Co Ltd
Priority to CN201610658163.8A priority Critical patent/CN106229231A/en
Publication of CN106229231A publication Critical patent/CN106229231A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04Means for indicating condition of the switching device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/40Combined 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

A kind of MCB miniature circuit breaker
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.
CN201610658163.8A 2016-08-11 2016-08-11 A kind of MCB miniature circuit breaker Pending CN106229231A (en)

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
CN106229231A true CN106229231A (en) 2016-12-14

Family

ID=57548005

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610658163.8A Pending CN106229231A (en) 2016-08-11 2016-08-11 A kind of MCB miniature circuit breaker

Country Status (1)

Country Link
CN (1) CN106229231A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
US7656640B2 (en) Voltage surge protection device
CN101317243B (en) Circuit breaker including open neutral interlock
US20100308943A1 (en) Residual-current circuit breaker
US20120313788A1 (en) Alternating current contactor with electronic short circuit self-locking function
CN101964519A (en) Device for the protection of an electrical installation against voltage surges
US7362207B2 (en) Electrical switching apparatus and limiter including trip indicator member
CN102709131A (en) Double-mechanism super-small 1P plus N electric leakage circuit breaker
CN201163717Y (en) Intelligent household leakage protector
CN201213179Y (en) Novel leakage protection socket
CN102792406A (en) Limiter including a number of gas channels and electrical switching apparatus employing the same
CN101388540A (en) Leakage protection circuit having life end detection and display functions
CN106229231A (en) A kind of MCB miniature circuit breaker
CN102222589A (en) Small-sized circuit breaker by remote control
RU2541517C2 (en) Automatic circuit breaker
CN217741584U (en) Power strip with zero line disconnection protection function
CN202856303U (en) Intelligent reclosing circuit breaker
CN209843646U (en) Circuit breaker with over-voltage and under-voltage protection assembly
RU2742927C1 (en) Circuit protection device and circuit protection assembly, including circuit protection device
CN210536278U (en) 'double-anti-jumping' protection circuit
CN204905675U (en) Outdoor switch box with distribution fault handling function
US3009038A (en) Circuit interrupter
CN210200651U (en) Miniature circuit breaker with unilateral bus bar wiring port
CN103595020A (en) Earth fault breaker with safe display function
CN202058657U (en) Remote-control miniature circuit breaker
CN102447308A (en) Integrative protector of intelligent power grid terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161214