CN108493059A - A kind of plug in circuit breaker - Google Patents

A kind of plug in circuit breaker Download PDF

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Publication number
CN108493059A
CN108493059A CN201810364146.2A CN201810364146A CN108493059A CN 108493059 A CN108493059 A CN 108493059A CN 201810364146 A CN201810364146 A CN 201810364146A CN 108493059 A CN108493059 A CN 108493059A
Authority
CN
China
Prior art keywords
circuit breaker
component
moving contact
slotting tool
plug
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
CN201810364146.2A
Other languages
Chinese (zh)
Inventor
李力军
包启树
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.)
Central Europe Electric Co Ltd
Original Assignee
Central Europe 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 Central Europe Electric Co Ltd filed Critical Central Europe Electric Co Ltd
Priority to CN201810364146.2A priority Critical patent/CN108493059A/en
Publication of CN108493059A publication Critical patent/CN108493059A/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
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/025Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
    • 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

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  • Breakers (AREA)

Abstract

The invention discloses a kind of plug in circuit breaker, including circuit breaker base and breaker body, mounting groove compatible with breaker body is offered on circuit breaker base, the circuit breaker base is equipped with the end of incoming cables component being connected with outer lead and leading-out terminal component;The breaker body includes shell, is provided with the handle that both moving contact component, static contact component and control are switched on or switched off inside the shell;Wherein moving contact component is connected with the first conductive slotting tool stretched out outside shell, and the static contact component is connected with the second conductive slotting tool stretched out outside shell;When breaker body is assemblied in mounting groove, described first conductive slotting tool is connected with leading-out terminal component, the second conductive slotting tool is connected with end of incoming cables component, realizes that breaker body quickly can be plugged directly from the mounting groove of circuit breaker base and carries out installation replacement, effectively shortens power-off time.

Description

A kind of plug in circuit breaker
Technical field
The present invention relates to field of circuit breakers, more specifically, it relates to a kind of plug in circuit breaker.
Background technology
Existing miniature circuit breaker is all made of monolithic construction, using a complete shell by all kinds of groups of miniature circuit breaker Part is assembled in shell, is also placed in together in this complete shell into and out of line end.It is installed in the bottom of miniature circuit breaker Miniature circuit breaker is simultaneously mounted on standard rail by the standard rail in ammeter box or distribution box by snap-gauge.Into and out of Line end connect with outer lead and uses the screw in compression on miniature circuit breaker terminals respectively, realizes to mains side, load-side It connects and realizes power supply and power-off with breaking operation, and thereby protect the safety of people, animal and property, equipment.
Existing miniature circuit breaker product is needed to remove or need replacing other identical or differs specification breaking down When miniature circuit breaker, it is necessary to then need to remove external connecting leads from the terminals of miniature circuit breaker by breaker overall pulling down And miniature circuit breaker is removed from the standard rail of installation again from being pulled out in the wiring hole of miniature circuit breaker.It is naked to be exposed on the external Connecting wire constitutes security risk.If the miniature circuit breaker in ammeter box or distribution box is constrained by power supply department When, user is then unable to self-changeable miniature circuit breaker.In place such as hospital, square, the communication for not allowing to occur having a power failure for a long time It will cause harmful effects for maincenter, data center, safety monitoring center.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of plug in circuit breaker.
To achieve the above object, the present invention provides following technical solutions:
A kind of plug in circuit breaker, including circuit breaker base and breaker body, offer and are broken on circuit breaker base The compatible mounting groove of road device ontology,
The circuit breaker base is equipped with the end of incoming cables component being connected with outer lead and leading-out terminal component;
The breaker body includes shell, is provided with moving contact component, static contact component and control two inside the shell The handle that person is switched on or switched off;Wherein moving contact component is connected with the first conductive slotting tool stretched out outside shell, the static contact group Part is connected with the second conductive slotting tool stretched out outside shell;
When breaker body is assemblied in mounting groove, the described first conductive slotting tool is connected with leading-out terminal component, described Second conductive slotting tool is connected with end of incoming cables component.
The present invention is further arranged:The leading-out terminal component includes end of incoming cables ontology, fastening bolt and plugboard, described to insert The one end setting of fishplate bar matches in the ontology of end of incoming cables with fastening bolt, and the other end setting matches with the second conductive slotting tool The slot of conjunction.
The present invention is further arranged:Setting is there are two spaced elastic strip and by two elastic strips in the slot The elastic component closed up, when the first conductive slotting tool is inserted into slot, two elastic strips clamp the first conductive slotting tool.
The present invention is further arranged:The mounting groove madial wall of the circuit breaker base is provided with guide groove, the plugboard Slot be located on guide groove, the breaker body is placed in by guide groove in mounting groove, and the first conductive slotting tool passes through Slot is connected with plugboard.
The present invention is further arranged:Self-locking device is set on guide groove, and the self-locking device is disconnected including being slidably arranged in Self-locking plate on the device pedestal of road and the resetting spring for driving self-locking sheet reset, the self-locking plate are equipped with compatible with guide groove Opening, when pushing self-locking plate sliding, the opening coincides with guide groove, and the described first conductive slotting tool is placed in by opening leads Into slot, when decontroling self-locking plate, the resetting spring drives self-locking sheet reset, the opening to be staggered with guide groove.
The present invention is further arranged:The moving contact component includes moving contact rack, lock and tension spring, the moving contact branch Frame is fixed on by rotation axis on shell, and the one end of the tension spring is fixed on shell, the other end and moving contact rack phase Connection;
The one end of the moving contact rack is matched with static contact component, and the other end is connected by tripping and handle Connection;
The lock is arranged by rotation axis on moving contact rack, and the one end of the lock is opposite with static contact component Setting, the other end is matched with tripping;
It is provided with torsional spring on moving contact rack, lock is driven to be matched with tripping.
The present invention is further arranged:The tripping is rotatably arranged on moving contact rack, and the one end of the tripping passes through Connecting rod is connected with handle, and the other end is provided with clamping part, and the lock is provided with and the matched card slot of clamping part.
The present invention is further arranged:The static contact component includes static contact, mandril, iron core spring and armature;
The one end of the static contact is oppositely arranged with moving contact rack, and the other end is fixed cored;
The mandril is threaded through on iron core, and one end and the lock of the mandril are oppositely arranged, and the other end is arranged with iron Core spring, and the end is matched with armature.
The present invention is further arranged:The static contact is provided with run-on tab, and the run-on tab is placed on arc-chutes.
The present invention is further arranged:Lateral rib is set on the madial wall of shell, and the armature offers convex with transverse direction The matched arc groove of item, the armature can be by sliding on arc groove transversely raised line.
Advantageous effect of the present invention:
1. breaker body can quickly directly plug carries out installation replacement from the mounting groove of circuit breaker base, effectively shorten Power-off time;
2, plug in circuit breaker, which is mounted in ammeter box or distribution box, need not remove electricity when needing replacing breaker body Source and load-side external cabling, especially when mains side and load-side external cabling do not allow the occasion that electricity consumer touches;
3, wherein end of incoming cables component and leading-out terminal component is fully mounted in shell, not exposed external cabling and electrification Or current-carrying part, it can be by electrification that hand touches or current-carrying part after breaker body pull-out, it is ensured that power supply safety yet.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of plug in circuit breaker embodiment of the present invention;
Fig. 2 is the structural schematic diagram before a kind of plug in circuit breaker combination of the present invention;
Fig. 3 is a kind of sectional view of plug in circuit breaker of the present invention;
Fig. 4 is the structural schematic diagram of plugboard;
Fig. 5 is the structural schematic diagram of self-locking device;
Fig. 6 is the sectional view of breaker body;
Fig. 7 is the structural schematic diagram of moving contact component;
Fig. 8 is the structural schematic diagram of lock;
Fig. 9 is the structural schematic diagram of tripping.
Reference sign:1, circuit breaker base;11, mounting groove;12, guide groove;13, leading-out terminal component;131, it fastens Bolt;132, plugboard;1321, slot;1322, elastic strip;1323, elastic component;133, connecting terminal;14, end of incoming cables component; 15, self-locking device;151, self-locking plate;152, resetting spring;153, it is open;2, breaker body;21, the first conductive slotting tool;22、 Second conductive slotting tool;23, shell;24, moving contact component;241, moving contact rack;242, it latches;2421, card slot;243, it draws Spring;244, rotation axis;245, tripping;2451, clamping part;246, torsional spring;25, static contact component;251, static contact;252, it pushes up Bar;253, iron core spring;254, armature;255, iron core;256, run-on tab;26, handle;
Specific implementation mode
A kind of plug in circuit breaker embodiment of the present invention is described in further details with reference to attached drawing 1 to Fig. 9.
A kind of plug in circuit breaker, including circuit breaker base 1 and breaker body 2, offered on circuit breaker base 1 with 11 madial wall of mounting groove of 2 compatible mounting groove 11 of breaker body, the circuit breaker base is provided with guide groove 12, described The side wall of breaker body 2 is provided with 21 and second conductive slotting tool 22 of the first conductive slotting tool and is needed breaker when the two is assembled Ontology 2 is arranged towards mounting groove 11, is matched with corresponding guide groove 12 by leading 21 and second conductive slotting tool 22 of the first conductive slotting tool Conjunction is oriented to, and to which the breaker body 2 is placed in mounting groove 11, realizes that breaker body 2 can be quickly from breaker Directly plug carries out installation replacement in the mounting groove 11 of pedestal, effectively shortens power-off time.
The wherein described circuit breaker base 1 is equipped with the end of incoming cables component 13 being connected with outer lead and leading-out terminal component 14; The breaker body 2 includes shell 23, and moving contact component 24, static contact component 25 and control two are provided in shell 23 The handle 26 that person is switched on or switched off;Wherein moving contact component 24 is connected with the first conductive slotting tool 21 stretched out outside shell 23, described Static contact component 25 is connected with the second conductive slotting tool 22 stretched out outside shell 23;When breaker body 2 is assemblied in mounting groove 11 When, the described first conductive slotting tool 21 is connected with leading-out terminal component 13, the described second conductive slotting tool 22 and 14 phase of end of incoming cables component Connection, after plug-in type miniature circuit breaker closure, electric current flows through the end of incoming cables component on circuit breaker base 1 through external conductive circuit 14 and the conductive slotting tool 22 of enter line side second of breaker body 2, static contact component 25, moving contact component 24, breaker body 2 On the conductive slotting tool 21 of outgoing line side first, leading-out terminal component 13 flows out through external conductive circuit.
The leading-out terminal component 13 is including fastening bolt 131 and plugboard 132 and is embedded in connecing on circuit breaker base 1 Line terminals 133, the one end of the plugboard 132 is placed in connecting terminal 133 to be matched with fastening bolt 131, the other end Setting and the first 21 matched slot 1321 of conductive slotting tool, when breaker body 2 is assemblied in mounting groove 11, described first Conductive slotting tool 21 is plugged on slot 1321 to be connected with connecting terminal 133, realize 1 upper connecting terminal 133 of circuit breaker base with The moving contact component 24 of breaker body 2 connects.
Setting is there are two spaced elastic strip 1322 and by two elastic strips 1322 wherein in the slot 1321 The elastic component 1323 closed up, when the first conductive slotting tool 21 is inserted into slot 1321, it is conductive slotting that two elastic strips 1322 clamp first Knife 21 so that connecting terminal 133 connect with the first conductive slotting tool 21 it is more reliable and more stable, wherein the slot of the plugboard 132 1321 are located on guide groove 12, and the described first conductive slotting tool 21 is connected by slot with plugboard.
Wherein end of incoming cables component 14 is identical as 13 structure of leading-out terminal component, and the static contact component 25 is conductive slotting by second Knife 22 is connected with end of incoming cables component 14, just repeats no more herein.
On guide groove 12 be arranged self-locking device 15, can to avoid on circuit breaker base breaker body 2 occur It falls off, wherein the self-locking device 15 includes the self-locking plate 151 being slidably arranged on circuit breaker base 1 and drives self-locking plate 151 resetting springs 152 resetted, the self-locking plate 151 are equipped with opening 153 compatible with guide groove 12, when promotion self-locking plate When 151 sliding, the opening 153 coincides with guide groove 12, and the described first conductive slotting tool 21 is placed in guide groove by opening 153 In 12, when decontroling lock 242, the resetting spring 152 drives self-locking plate 151 to reset, and the opening 153 is staggered with guide groove 12 It opens.
The wherein described moving contact component 24 includes moving contact rack 241, lock 242 and tension spring 243, the moving contact rack 241 are fixed on by rotation axis 244 on shell 23, and the one end of the tension spring 243 is fixed on shell 23, the other end with it is dynamic Contact supporting 241 is connected;The static contact component 25 includes static contact 251, mandril 252, iron core spring 253 and armature 254; The one end of the static contact 251 and the lower end of moving contact rack 241 are oppositely arranged, the other end fixation cored 255, and And the static contact 251 is provided with run-on tab 256, the run-on tab 256 is placed on arc-chutes.The mandril 252 is threaded through iron On core 255, the lower end of the one end and lock 242 of the mandril 252 is oppositely arranged, and the other end is arranged cored spring 253, and the end is matched with armature 254;The upper end of the moving contact rack 241 passes through tripping 245 and 26 phase of handle It is connected;It is described lock 242 by rotation axis 244 be arranged on moving contact rack 241, it is described lock 242 upper end with Tripping 245 matches;It is provided with torsional spring 246 on moving contact rack 241, lock 242 is driven to be matched with tripping 245;
When handle 26 is pulled to side, the handle 26 drives moving contact rack 241 around rotation axis by tripping 245 244 swing so that the lower end of moving contact rack 241 and static contact 251 are inconsistent, realize the connection of the two, latch 242 at this time Coordinate with tripping 245, keeps lower end and the inconsistent state of static contact 251 of moving contact rack 241, avoid the two contact not Good, when short circuit, short circuit current can make iron core 255 generate magnetic force to be sucked armature 254, the armature 254 can drive mandril 252 to Preceding mobile push latches 242 swings so that lock 242 is separated with tripping 245, the work of tension spring 243 of the meeting of moving contact rack 241 at this time It is separated with static contact 251 around the rotation of rotation axis 244 under, moving contact can be effectively ensured and be closed or separate with static contact 251 State, structure is more reliable and more stable.
Wherein the tripping 245 is rotatably arranged on moving contact rack 241, and the one end of the tripping 245 passes through connecting rod It is connected with handle 26, clamping part 2451 is arranged in the other end, and the lock 242 is equipped with and 2451 matched card slot of clamping part 2421, lower end and the inconsistent state of static contact 251 of moving contact rack 241, card slot 2421 are matched with clamping part 2451, It realizes and moving contact rack 241 is controlled, ensure that moving contact rack 241 is well contacted with static contact 251,
The armature 254 can drive mandril 252 to move forward and push 242 swing of lock so that lock 242 and tripping 245 Phase separation, tension spring 243 can pull moving contact rack 241 to be rotated around rotation axis 244 so that moving contact rack 241 and static contact 251 Phase separation.
Lateral rib is wherein set on the madial wall of shell 23, and the armature 254 is offered to be matched with lateral rib Arc groove, the armature 254 can be by sliding on arc groove transversely raised line so that armature 254 is sliding with respect to before and after iron core 255 It is dynamic more reliable and more stable.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of plug in circuit breaker, it is characterized in that:Including circuit breaker base and breaker body, opened up on circuit breaker base There is mounting groove compatible with breaker body,
The circuit breaker base is equipped with the end of incoming cables component being connected with outer lead and leading-out terminal component;
The breaker body includes shell, is provided with both moving contact component, static contact component and control inside the shell and connects The handle that on-off is opened;Wherein moving contact component is connected with the first conductive slotting tool stretched out outside shell, and the static contact component connects It is connected to the second conductive slotting tool stretched out outside shell;
When breaker body is assemblied in mounting groove, the described first conductive slotting tool is connected with leading-out terminal component, and described second Conductive slotting tool is connected with end of incoming cables component.
2. a kind of plug in circuit breaker according to claim 1, it is characterized in that:The leading-out terminal component includes end of incoming cables sheet The one end setting of body, fastening bolt and plugboard, the plugboard matches in the ontology of end of incoming cables with fastening bolt, another End set and the first matched slot of conductive slotting tool.
3. a kind of plug in circuit breaker according to claim 2, it is characterized in that:There are two intervals to set for setting in the slot The elastic strip set and the elastic component for closing up two elastic strips, when the first conductive slotting tool is inserted into slot, two elastic strip folders Tight first conductive slotting tool.
4. a kind of plug in circuit breaker according to claim 3, it is characterized in that:On the inside of the mounting groove of the circuit breaker base Wall is provided with guide groove, and the slot of the plugboard is located on guide groove, and the breaker body is placed in installation by guide groove In slot, the described first conductive slotting tool is connected by slot with plugboard.
5. a kind of plug in circuit breaker according to claim 4, it is characterized in that:Self-locking device is set on guide groove, institute Self-locking device is stated to include the self-locking plate being slidably arranged on circuit breaker base and drive the resetting spring of self-locking sheet reset, it is described Self-locking plate is equipped with opening compatible with guide groove, and when pushing self-locking plate sliding, the opening coincides with guide groove, described First conductive slotting tool is placed in by opening in guide groove, and when decontroling self-locking plate, the resetting spring drives self-locking sheet reset, described Opening is staggered with guide groove.
6. a kind of plug in circuit breaker according to claim 1, it is characterized in that:The moving contact component includes moving contact branch Frame, lock and tension spring, the moving contact rack are fixed on by rotation axis on shell, and the one end of the tension spring is fixed on shell On, the other end is connected with moving contact rack;
The one end of the moving contact rack is matched with static contact component, and the other end is connected company by tripping and handle It connects;
The lock is arranged by rotation axis on moving contact rack, and the one end of the lock is opposite with static contact component to be set It sets, the other end is matched with tripping;
It is provided with torsional spring on moving contact rack, lock is driven to be matched with tripping.
7. a kind of plug in circuit breaker according to claim 6, it is characterized in that:The tripping is rotatably arranged on moving contact branch On frame, the one end of the tripping is connected by connecting rod with handle, and the other end is provided with clamping part, and the lock is provided with With the matched card slot of clamping part.
8. a kind of plug in circuit breaker according to claim 6, it is characterized in that:The static contact component include static contact, Mandril, iron core spring and armature;
The one end of the static contact is oppositely arranged with moving contact rack, and the other end is fixed cored;
The mandril is threaded through on iron core, and one end and the lock of the mandril are oppositely arranged, and the other end is arranged cored bullet Spring, and the end is matched with armature.
9. a kind of plug in circuit breaker according to claim 8, it is characterized in that:The static contact is provided with run-on tab, institute Run-on tab is stated to be placed on arc-chutes.
10. a kind of plug in circuit breaker according to claim 9, it is characterized in that:It is arranged laterally on the madial wall of shell Raised line, the armature offer with the matched arc groove of lateral rib, the armature can be by arc groove transversely raised line Sliding.
CN201810364146.2A 2018-04-22 2018-04-22 A kind of plug in circuit breaker Pending CN108493059A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810364146.2A CN108493059A (en) 2018-04-22 2018-04-22 A kind of plug in circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810364146.2A CN108493059A (en) 2018-04-22 2018-04-22 A kind of plug in circuit breaker

Publications (1)

Publication Number Publication Date
CN108493059A true CN108493059A (en) 2018-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810364146.2A Pending CN108493059A (en) 2018-04-22 2018-04-22 A kind of plug in circuit breaker

Country Status (1)

Country Link
CN (1) CN108493059A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110265270A (en) * 2019-06-21 2019-09-20 浙宝电气(杭州)集团有限公司 A kind of plug-in switch device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102254752A (en) * 2010-05-18 2011-11-23 马建明 Contact plate applied to static contact of circuit breaker
CN203218119U (en) * 2013-05-13 2013-09-25 温州奇诚电器有限公司 Plug-in safety switch
CN103346046A (en) * 2013-06-05 2013-10-09 温州大观电气有限公司 Switch trip device
CN107564776A (en) * 2017-09-30 2018-01-09 苏州喜全软件科技有限公司 A kind of plug-in type miniature circuit breaker
CN208027996U (en) * 2018-04-22 2018-10-30 中欧电气有限公司 A kind of plug in circuit breaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102254752A (en) * 2010-05-18 2011-11-23 马建明 Contact plate applied to static contact of circuit breaker
CN203218119U (en) * 2013-05-13 2013-09-25 温州奇诚电器有限公司 Plug-in safety switch
CN103346046A (en) * 2013-06-05 2013-10-09 温州大观电气有限公司 Switch trip device
CN107564776A (en) * 2017-09-30 2018-01-09 苏州喜全软件科技有限公司 A kind of plug-in type miniature circuit breaker
CN208027996U (en) * 2018-04-22 2018-10-30 中欧电气有限公司 A kind of plug in circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110265270A (en) * 2019-06-21 2019-09-20 浙宝电气(杭州)集团有限公司 A kind of plug-in switch device

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