CN205911269U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- 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
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- Prior art keywords
- contact
- static contact
- chopper
- terminals
- moving contact
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- 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- Withdrawn - After Issue
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- 230000003068 static effect Effects 0.000 claims abstract description 85
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a breaker, in the switching-on process, when the spanner is in the first position, the secondary moving contact compresses the first elastic component, the secondary moving contact is contacted with the secondary static contact, and simultaneously, the active contact and the main static contact keep disconnection; when the wrench is located at the second position, the secondary moving contact further compresses the first elastic component, the secondary moving contact keeps contact with the secondary static contact, and meanwhile, the active contact is in contact with the main static contact; the second connecting end is connected with a conductive plate, and the active contact and the secondary moving contact are connected with the conductive plate through wires. The contact of the circuit breaker occupies small space, the product cost is low, the contact electric wear is low, the short-circuit operation breaking capacity of more than 50kA can be realized on the miniature circuit breaker, and great convenience is brought to the application of special occasions.
Description
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839198.7U CN205911269U (en) | 2016-08-04 | 2016-08-04 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839198.7U CN205911269U (en) | 2016-08-04 | 2016-08-04 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911269U true CN205911269U (en) | 2017-01-25 |
Family
ID=57803685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620839198.7U Withdrawn - After Issue CN205911269U (en) | 2016-08-04 | 2016-08-04 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911269U (en) |
Cited By (6)
| 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 | Circuit 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 |
| CN109036944A (en) * | 2018-08-20 | 2018-12-18 | 厦门大恒科技有限公司 | Miniature vacuum contact mechanism and vacuum contact miniature circuit breaker |
| CN109616391A (en) * | 2019-01-18 | 2019-04-12 | 厦门大恒科技有限公司 | Varistor contact mechanism and arc-proof circuit breaker |
| CN109659207A (en) * | 2019-02-27 | 2019-04-19 | 厦门大恒科技有限公司 | Resistance mutation type contact device and circuit breaker |
| CN109767958A (en) * | 2019-02-15 | 2019-05-17 | 黄河科技学院 | A kind of electronic breaker |
-
2016
- 2016-08-04 CN CN201620839198.7U patent/CN205911269U/en not_active Withdrawn - After Issue
Cited By (10)
| 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 | Circuit breaker |
| CN106098485B (en) * | 2016-08-04 | 2018-03-20 | 厦门大恒科技有限公司 | Circuit 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 |
| CN109036944A (en) * | 2018-08-20 | 2018-12-18 | 厦门大恒科技有限公司 | Miniature vacuum contact mechanism and vacuum contact miniature circuit breaker |
| CN109036944B (en) * | 2018-08-20 | 2024-04-02 | 厦门大恒科技有限公司 | Miniature vacuum contact head mechanism and vacuum contact miniature circuit breaker |
| CN109616391A (en) * | 2019-01-18 | 2019-04-12 | 厦门大恒科技有限公司 | Varistor contact mechanism and arc-proof circuit breaker |
| CN109616391B (en) * | 2019-01-18 | 2024-04-30 | 厦门大恒科技有限公司 | Resistance-variable contact mechanism and arc-proof circuit breaker |
| CN109767958A (en) * | 2019-02-15 | 2019-05-17 | 黄河科技学院 | A kind of electronic breaker |
| CN109659207A (en) * | 2019-02-27 | 2019-04-19 | 厦门大恒科技有限公司 | Resistance mutation type contact device and circuit breaker |
| CN109659207B (en) * | 2019-02-27 | 2024-04-02 | 厦门大恒科技有限公司 | Resistance abrupt contact device and circuit breaker |
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20170125 Effective date of abandoning: 20180320 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170125 Effective date of abandoning: 20180320 |