CN205911269U - Breaker - Google Patents

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Publication number
CN205911269U
CN205911269U CN201620839198.7U CN201620839198U CN205911269U CN 205911269 U CN205911269 U CN 205911269U CN 201620839198 U CN201620839198 U CN 201620839198U CN 205911269 U CN205911269 U CN 205911269U
Authority
CN
China
Prior art keywords
contact
chopper
static contact
terminals
elastomeric
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.)
Withdrawn - After Issue
Application number
CN201620839198.7U
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Chinese (zh)
Inventor
李欣
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.)
XIAMEN TAIHANG TECHNOLOGY Co Ltd
Original Assignee
XIAMEN TAIHANG TECHNOLOGY 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 XIAMEN TAIHANG TECHNOLOGY Co Ltd filed Critical XIAMEN TAIHANG TECHNOLOGY Co Ltd
Priority to CN201620839198.7U priority Critical patent/CN205911269U/en
Application granted granted Critical
Publication of CN205911269U publication Critical patent/CN205911269U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a breaker, the combined floodgate in -process, when the spanner is in primary importance department, an inferior moving contact compression elastomeric element, inferior moving contact with inferior quiet male contact, simultaneously, the initiative contact with main static contact keeps the disconnection, when the spanner is in second place department, inferior moving contact further compresses an elastomeric element, inferior moving contact with inferior static contact keeps in contact, simultaneously, the initiative contact with main quiet male contact, second wiring is served and is connected with the current conducting plate, initiative contact and time moving contact pass through the wire with the current conducting plate meets. This breaker's contact occupation space is little, product cost low, the contact electrical wear is low, can realize the short -circuit operation breaking capacity more than the 50kA on miniature breaker, and this brings very big convenience to special occasion application.

Description

A kind of chopper
Technical field
This utility model is related to the technical field of ic deck, in particular to a kind of chopper.
Background technology
Chopper is to refer to close, carry and cut-off the electric current under normal loop condition, and can close, regulation when The interior switching device carrying and cut-off the electric current under abnormal loop condition (inclusion short circuit condition).Chopper can be used to distribute electricity Can, infrequently start asynchronous motor, protection carried out to power circuit and motor etc., when they occur serious overloads or During the fault such as person is short-circuit and under-voltage can automatic shutdown circuit, its function is equivalent to Fuse switch and crosses underheat relay etc. Combination, and typically do not need to change parts after disjunction fault current, at present, obtain a wide range of applications.
But the moving contact contacting connection in existing chopper with static contact is single, so result in circuit breaker electric power Stability poor, and such structure setting makes the contact resistance of dynamic and static contact also larger, thus leading to chopper can hold The breaking current being subject to is less.
And, existing chopper is in order to reach breaking capacity, using air-blowing, magnetic blow-out, improves contact electric clearance, lead to Road such as blocks at the method.The usual contact space of product of above method design is big, arc-chute volume is big.Although breaking breaking capacity By force, but volume is excessive.Such as common miniature circuit breaker breaking capacity is about 6ka, and current technology breaking capacity highest only reaches 15ka.For the extraordinary occasion of breaking capacity 35ka or even more than 50ka, miniature circuit breaker can only be replaced to make using molded-case switch With.But the width of molded-case switch, the scope all beyond miniature circuit breaker for the height.
Utility model content
In view of this, the technical problems to be solved in the utility model is to overcome the defect of prior art, there is provided a kind of Chopper, including Shell of circuit breaker;The two ends of described Shell of circuit breaker are equiped with the first terminals and the second terminals respectively;Institute The first terminals of stating simultaneously are connected with main static contact and time static contact;It is additionally provided with trip gear on described Shell of circuit breaker;Described One end that de- mouth device deviates from described Shell of circuit breaker is connected with moving contact;Described moving contact includes relative with described main static contact The active contact answered, and the secondary moving contact corresponding with described static contact;Described first terminals and described main static contact Between be provided with electric magnet dynamic iron core, and be set in the electromagnet coil outside described electric magnet dynamic iron core;Described electric magnet moves ferrum One end of core is connected with described first terminals, and described electromagnet coil is connected with described main static contact;Described first terminals It is provided with the first elastomeric element and between described static contact;In making process, when described spanner is in first position, described time dynamic Contact compresses the first elastomeric element, and described time moving contact contacts with described static contact, meanwhile, described active contact and described master Static contact remains open;When described spanner is in second position, described moving contact compresses the first elastomeric element, institute further State time moving contact to keep contacting with described static contact, meanwhile, described active contact is contacted with described main static contact;Described time quiet Contact is connected with resistance;It is connected with conductive plate, described active contact and time moving contact pass through wire on the second described terminals Connect with described conductive plate.
In some embodiments, described resistance is arranged between described first terminals and described static contact.
In some embodiments, described resistance is arranged between described main static contact and described static contact.
In some embodiments, it is additionally provided with arc-chutes in described Shell of circuit breaker;Described arc-chutes extension is provided with Run-on tab;Described arc-chutes include arc-extinguishing unit;Described moving contact is connected with described arc-extinguishing unit.
In some embodiments, described trip gear is the dynamic trip gear of heat.
In some embodiments, the dynamic trip gear of described heat includes being sequentially connected and link spanner, promote connecting rod, the Two elastomeric elements, fine motion release lever, hot dropout draw ring.
In some embodiments, described first elastomeric element is spring.
In some embodiments, described second elastomeric element is spring.
In some embodiments, described arc-extinguishing unit is arc-chute.
In some embodiments, the first described terminals and the second terminals be all installed in using hexagon socket head cap screw disconnected On the device housing of road.
The beneficial effect of the chopper that this utility model provides is:
Chopper disclosed in this utility model, is connected with main static contact and time static contact.Trip gear actively touches in order to control Head contact with main static contact and disconnection, and control the contact with time static contact of time moving contact and disconnection.And trip gear Match it is achieved that the asynchronous connection of two contacts with the first elastomeric element, and asynchronous disconnecting circuit.During circuit ON, Concretely comprise the following steps, when described spanner is in first position, described time moving contact compresses the first elastomeric element, described moving contact Contact with described static contact, meanwhile, described active contact is remained open with described main static contact;Described spanner is in second When putting place, described moving contact compresses the first elastomeric element further, and described time moving contact keeps contacting with described static contact, Meanwhile, described active contact is contacted with described main static contact, completes to close a floodgate.When circuit disconnects, order is contrary: active contact disjunction When time moving contact be still switched on, when secondary moving contact disjunction, due to secondary moving contact circuitous resistance restriction effect, arc current is limited In a controlled scope, breaking capacity is improved system.
In sum, this chopper solution runs short circuit current breaking capacity by force, and solves problems with:
1st, contact of breaker take up room little;2nd, product cost is low;3rd, contact electrical wear is low.Can be on miniature circuit breaker Realize the short circuit operation breaking capacity of more than 50ka, this brings great convenience to application of special occasions.
It follows that the special structure of this utility model, it has the advantages that above-mentioned many and practical value, and similar There are no similar method in product to publish or use and really belong to innovation, create handy and practical effect, thus relatively For being suitable to practicality, and there is extensive industrial value.
Brief description
It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore it is not construed as Restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation of this utility model chopper;
Fig. 2 is the structural representation of this utility model chopper;
Fig. 3 is the structural representation of chopper in making process;
Fig. 4 is the structural representation of chopper in making process;
The structural representation of chopper when Fig. 5 completes for making process;
The structural representation of chopper when Fig. 6 completes for making process;
Fig. 7 is the structural representation of chopper in this utility model one enforcement;
Fig. 8 is the circuit diagram of this utility model chopper.
Drawing reference numeral illustrates:
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model Restriction.
Of the present utility model description in it is to be understood that term " length ", " width ", " on ", D score, " front ", " afterwards ", the orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are based on attached Orientation shown in figure or position relationship, are for only for ease of and describe this utility model and simplify description, rather than instruction or hint The device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this The restriction of utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be It is mechanically connected or electrically connect;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning in this utility model for the above-mentioned term.
Embodiment 1
Referring to Fig. 1 to Fig. 7, in this utility model, provide a kind of chopper, including Shell of circuit breaker 1;Described chopper The two ends of housing 1 are equiped with the first terminals 3 and the second terminals 12 respectively;The first described terminals 3 are simultaneously connected with main stationary contact 2 and time static contact 15;It is additionally provided with trip gear on described Shell of circuit breaker 1;Described de- mouth device deviates from described chopper One end of housing 1 is connected with moving contact;Described moving contact includes the active contact 11 corresponding with described main static contact 2, and The secondary moving contact 14 corresponding with described static contact 15;It is provided with electromagnetism between described first terminals 3 and described main static contact 2 Ferrum dynamic iron core 4, and it is set in the electromagnet coil 5 outside described electric magnet dynamic iron core 4;One end of described electric magnet dynamic iron core 4 It is connected with described first terminals 3, described electromagnet coil 5 is connected with described main static contact 2;Described first terminals 3 and institute State and be provided with the first elastomeric element 17 between time static contact 15;In making process, when described spanner 6 is in first position, described time Moving contact 11 compresses the first elastomeric element 17, and described time moving contact 14 is contacted with described static contact 15, and meanwhile, described active is touched 11 are remained open with described main static contact 2;When described spanner 6 is in second position, described time moving contact 14 is pressed further Contract the first elastomeric element 17, and described moving contact 14 keeps contact with described static contact 15, meanwhile, described active contact 11 and Described main static contact 2 contacts;Described time static contact 15 is connected with resistance 19;It is connected with conduction on the second described terminals 12 Plate, described active contact 11 and time moving contact 14 are connected with described conductive plate by wire 13.
Above-mentioned, chopper disclosed in this utility model, it is connected with main static contact 2 and time static contact 15.So that two dynamic Contact is in the state of being connected in parallel, and so not only can effectively reduce the contact resistance 19 of dynamic and static contact so as to can bear bigger Breaking current, and double-contact contact structures are also greatly improved the electrodynamic stability of chopper.
It is to be appreciated that trip gear is in order to control active contact 11 contact with main static contact 2 and disconnection, and control System time moving contact 14 contact with time static contact 15 and disconnection.And trip gear is matched with the first elastomeric element 17, realize The asynchronous connection of two contacts, and asynchronous disconnecting circuit.During circuit ON, concretely comprise the following steps, spanner 6 is in first When putting place, active contact 11 is remained open with described main static contact 2, and secondary moving contact 14 compresses the first elastomeric element 17, secondary dynamic Contact 14 is contacted with described static contact 15.Continue to pull spanner 6, when pulling to second position, active contact 11 is quiet with master Contact 2 contacts, and secondary moving contact 14 compresses the first elastomeric element 17 further, and secondary moving contact 14 is contacted with time static contact 15, completes Close a floodgate.When circuit disconnects, order is contrary: during active contact 11 disjunction, time moving contact 14 is still switched on, when the disjunction of secondary moving contact 14 When, due to secondary moving contact 14 circuitous resistance 19 restriction effect, arc current is limited in a controlled scope, and breaking capacity obtains To raising.
It is understood that this chopper contact of breaker take up room little;Product cost is low;Contact electrical wear is low.Can To realize the short circuit operation breaking capacity of more than 50ka on miniature circuit breaker, this brings great side to application of special occasions Just, there is extensive industrial value.
It is understood that the dropout mode of this trip gear both can be heat moving or electromagnetism and compound dropout.
Furthermore, this chopper can apply in miniature air chopper it is also possible to apply in breaker of plastic casing, with And other, herein in NM multiple chopper, no longer repeat one by one herein.
Referring to Fig. 1, in this utility model embodiment 1, it is secondary with described that described resistance 19 is arranged at described first terminals 3 Between static contact 15.
In this utility model embodiment 1, in described Shell of circuit breaker 1, it is additionally provided with arc-chutes;Described arc-chutes prolong Stretch and be provided with run-on tab 16;Described arc-chutes include arc-extinguishing unit 18;Described moving contact is connected with described arc-extinguishing unit 18.
In this utility model embodiment 1, described trip gear is the dynamic trip gear of heat.
In this utility model embodiment 1, described heat moves spanner 6, the promotion that trip gear includes being sequentially connected and linking Connecting rod 7, the second elastomeric element 8, fine motion release lever 9, hot dropout draw ring 10.
In this utility model embodiment 1, described first elastomeric element 17 is spring.
In this utility model embodiment 1, described second elastomeric element 8 is spring.
In this utility model embodiment 1, described arc-extinguishing unit 18 is arc-chute.
In this utility model embodiment 1, the first described terminals 3 and the second terminals 12 are all using hexagon socket head cap screw It is installed on Shell of circuit breaker 1.
Embodiment 2
Referring to Fig. 7 to Fig. 8, in this utility model, provide a kind of chopper, including Shell of circuit breaker 1;Described chopper The two ends of housing 1 are equiped with the first terminals 3 and the second terminals 12 respectively;The first described terminals 3 are simultaneously connected with main stationary contact 2 and time static contact 15;It is additionally provided with trip gear on described Shell of circuit breaker 1;Described de- mouth device deviates from described chopper One end of housing 1 is connected with moving contact;Described moving contact includes the active contact 11 corresponding with described main static contact 2, and The secondary moving contact 14 corresponding with described static contact 15;It is provided with electromagnetism between described first terminals 3 and described main static contact 2 Ferrum dynamic iron core 4, and it is set in the electromagnet coil 5 outside described electric magnet dynamic iron core 4;One end of described electric magnet dynamic iron core 4 It is connected with described first terminals 3, described electromagnet coil 5 is connected with described main static contact 2;Described first terminals 3 and institute State and be provided with the first elastomeric element 17 between time static contact 15;In making process, when described spanner 6 is in first position, described time Moving contact 11 compresses the first elastomeric element 17, and described time moving contact 14 is contacted with described static contact 15, and meanwhile, described active is touched 11 are remained open with described main static contact 2;When described spanner 6 is in second position, described time moving contact 14 is pressed further Contract the first elastomeric element 17, and described moving contact 14 keeps contact with described static contact 15, meanwhile, described active contact 11 and Described main static contact 2 contacts;Described time static contact 15 is connected with resistance 19;It is connected with conduction on the second described terminals 12 Plate, described active contact 11 and time moving contact 14 are connected with described conductive plate by wire 13.
Above-mentioned, chopper disclosed in this utility model, it is connected with main static contact 2 and time static contact 15.So that two dynamic Contact is in the state of being connected in parallel, and so not only can effectively reduce the contact resistance 19 of dynamic and static contact so as to can bear bigger Breaking current, and double-contact contact structures are also greatly improved the electrodynamic stability of chopper.
It is to be appreciated that trip gear is in order to control active contact 11 contact with main static contact 2 and disconnection, and control System time moving contact 14 contact with time static contact 15 and disconnection.And trip gear is matched with the first elastomeric element 17, realize The asynchronous connection of two contacts, and asynchronous disconnecting circuit.During circuit ON, concretely comprise the following steps, spanner 6 is in first When putting place, active contact 11 is remained open with described main static contact 2, and secondary moving contact 14 compresses the first elastomeric element 17, secondary dynamic tactile 14 are contacted with described static contact 15.Continue to pull spanner 6, when pulling to second position, active contact 11 and main stationary contact 2 contacts, secondary moving contact 14 compresses the first elastomeric element 17 further, and secondary moving contact 14 is contacted with time static contact 15 holding, complete Become to close a floodgate.When circuit disconnects, order is contrary: during active contact 11 disjunction, time moving contact 14 is still switched on, when 14 points of secondary moving contact When disconnected, due to secondary moving contact 14 circuitous resistance 19 restriction effect, arc current is limited in a controlled scope, breaking capacity It is improved.
It is understood that this chopper contact of breaker take up room little;Product cost is low;Contact electrical wear is low.Can To realize the short circuit operation breaking capacity of more than 50ka on miniature circuit breaker, this brings great side to application of special occasions Just, there is extensive industrial value.
It is understood that the dropout mode of this trip gear both can be heat moving or electromagnetism and compound dropout.
In this utility model embodiment 2, described resistance 19 is arranged at described main static contact 2 and described static contact 15 Between.
Above-mentioned it is to be understood that during breaking current, active contact 11 is disconnected in advance with main static contact 2, short circuit current quilt It is limited in controlled scope (if resistance 19 is 0.3 Europe, within short circuit current is limited in 1ka), now disjunction runs and continues Carry out, separating occur in secondary moving contact 14 and time static contact 15, and short circuit current is through resistance 19 it is contemplated that short circuit current is by secondary static contact 15 are limited in predetermined value by resistance 19, and secondary moving contact 14 arc current is limited, and run breaking capacity and are greatly improved.
In this utility model embodiment 2, in described Shell of circuit breaker 1, it is additionally provided with arc-chutes;Described arc-chutes prolong Stretch and be provided with run-on tab 16;Described arc-chutes include arc-extinguishing unit 18;Described moving contact is connected with described arc-extinguishing unit 18.
In this utility model embodiment 2, described trip gear is the dynamic trip gear of heat.
In this utility model embodiment 2, described heat moves spanner 6, the promotion that trip gear includes being sequentially connected and linking Connecting rod 7, the second elastomeric element 8, fine motion release lever 9, hot dropout draw ring 10.
In this utility model embodiment 2, described first elastomeric element 17 is spring.
In this utility model embodiment 2, described second elastomeric element 8 is spring.
In this utility model embodiment 2, described arc-extinguishing unit 18 is arc-chute.
In this utility model embodiment 2, the first described terminals 3 and the second terminals 12 are all using hexagon socket head cap screw It is installed on Shell of circuit breaker 1.
Upper described only preferred embodiment of the present utility model, is not limited to this utility model, for ability For the technical staff in domain, this utility model can have various modifications and variations.All of the present utility model spirit and principle it Interior, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.

Claims (10)

1. a kind of chopper it is characterised in that: include Shell of circuit breaker;The two ends of described Shell of circuit breaker are equiped with first respectively Terminals and the second terminals;The first described terminals are simultaneously connected with main static contact and time static contact;On described Shell of circuit breaker It is additionally provided with trip gear;One end that described trip gear deviates from described Shell of circuit breaker is connected with moving contact;Described moving contact Including the active contact corresponding with described main static contact, and the secondary moving contact corresponding with described static contact;Described It is provided with electric magnet dynamic iron core between one terminals and described main static contact, and be set in the electromagnetism outside described electric magnet dynamic iron core Iron coil;One end of described electric magnet dynamic iron core is connected with described first terminals, described electromagnet coil and described main stationary contact Head connects;It is provided with the first elastomeric element between described first terminals and described static contact;In making process, spanner is in first When at position, described time moving contact compresses the first elastomeric element, and described time moving contact is contacted with described static contact, meanwhile, institute State active contact to remain open with described main static contact;When described spanner is in second position, described time moving contact is further Compress the first elastomeric element, described time moving contact keeps contacting, meanwhile, described active contact and described master with described static contact Static contact contacts;Described time static contact is connected with resistance;It is connected with conductive plate, described active contact on the second described terminals Connected with described conductive plate by wire with secondary moving contact.
2. chopper as claimed in claim 1 it is characterised in that: described resistance be arranged at described first terminals with described time Between static contact.
3. chopper as claimed in claim 1 it is characterised in that: it is time quiet with described that described resistance is arranged at described main static contact Between contact.
4. chopper as claimed in claim 1 it is characterised in that: be additionally provided with arc-chutes in described Shell of circuit breaker;Institute State arc-chutes extension and be provided with run-on tab;Described arc-chutes include arc-extinguishing unit;Described moving contact is connected with described arc-extinguishing unit.
5. chopper as claimed in claim 1 it is characterised in that: described trip gear is the dynamic trip gear of heat.
6. chopper as claimed in claim 5 it is characterised in that: the dynamic trip gear of described heat includes being sequentially connected and link Spanner, promotion connecting rod, the second elastomeric element, fine motion release lever, hot dropout draw ring.
7. chopper as claimed in claim 1 it is characterised in that: described first elastomeric element be spring.
8. chopper as claimed in claim 6 it is characterised in that: described second elastomeric element be spring.
9. chopper as claimed in claim 4 it is characterised in that: described arc-extinguishing unit be arc-chute.
10. the chopper according to any one in claim 1~9 it is characterised in that: the first described terminals and Two terminals are all installed on Shell of circuit breaker using hexagon socket head cap screw.
CN201620839198.7U 2016-08-04 2016-08-04 Breaker Withdrawn - After Issue CN205911269U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620839198.7U CN205911269U (en) 2016-08-04 2016-08-04 Breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620839198.7U CN205911269U (en) 2016-08-04 2016-08-04 Breaker

Publications (1)

Publication Number Publication Date
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CN201620839198.7U Withdrawn - After Issue CN205911269U (en) 2016-08-04 2016-08-04 Breaker

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106098485A (en) * 2016-08-04 2016-11-09 厦门大恒科技有限公司 A kind of chopper
CN108074765A (en) * 2018-01-17 2018-05-25 安徽中骄智能科技有限公司 A kind of electrode plate absorption type electrical contact arc-control device being closed based on linkage
CN109767958A (en) * 2019-02-15 2019-05-17 黄河科技学院 A kind of electronic breaker

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106098485A (en) * 2016-08-04 2016-11-09 厦门大恒科技有限公司 A kind of chopper
CN106098485B (en) * 2016-08-04 2018-03-20 厦门大恒科技有限公司 A kind of breaker
CN108074765A (en) * 2018-01-17 2018-05-25 安徽中骄智能科技有限公司 A kind of electrode plate absorption type electrical contact arc-control device being closed based on linkage
CN109767958A (en) * 2019-02-15 2019-05-17 黄河科技学院 A kind of electronic breaker

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Granted publication date: 20170125

Effective date of abandoning: 20180320