CN109830409A - A kind of breaker - Google Patents
A kind of breaker Download PDFInfo
- Publication number
- CN109830409A CN109830409A CN201910046876.2A CN201910046876A CN109830409A CN 109830409 A CN109830409 A CN 109830409A CN 201910046876 A CN201910046876 A CN 201910046876A CN 109830409 A CN109830409 A CN 109830409A
- Authority
- CN
- China
- Prior art keywords
- shell
- core coil
- axis body
- iron
- breaker according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004020 conductor Substances 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 230000004907 flux Effects 0.000 claims abstract description 19
- 230000013011 mating Effects 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 230000001939 inductive effect Effects 0.000 abstract description 3
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical class C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 abstract description 2
- 238000005760 Tripper reaction Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a kind of breakers, including upper casing, lower casing, multiple trippers between the upper casing and the lower casing, the switching device matched with the tripper and the magnetic flux device between the upper casing and the lower casing, the tripper includes shell, the copper sheet component in the shell and copper sheet component conductor in mating connection, core coil and the iron-core coil being oppositely arranged with the core coil, the core coil is connected with copper core conductor, and cored conductor is connected on the iron-core coil.The present invention is ensureing the inductive effects between core coil and iron-core coil by the way that core coil and iron-core coil to be oppositely arranged, and ensures the small in size of current transformer entirety, convenient to assemble to current transformer.
Description
Technical field
The invention belongs to basic electrical component technical fields, more particularly, to a kind of breaker.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close before the deadline
Close, carry and cut-off the switching device of the electric current under abnormal loop condition.Breaker is divided into high-voltage circuitbreaker by its use scope
With low-voltage circuit breaker；Current breaker be mostly pass through three modularized circuit breakers and be assembled together, thus play to circuit
The effect of disconnection.
It is larger because of the volume of internal current transformer for existing breaker, and the volume that will cause breaker becomes
Greatly, will cause breaker its after being assembled together, volume becomes larger, and it is inconvenient to be assembled in distribution box.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provide it is a kind of small in size, just with the breaker of assembly.
To achieve the goals above, it the invention adopts the following technical scheme: a kind of breaker, including upper casing, lower casing, is set to
It multiple trippers between the upper casing and the lower casing, the switching device matched with the tripper and is set on described
Magnetic flux device between shell and the lower casing, the tripper include shell, the copper sheet component in the shell, with it is described
Copper sheet component conductor in mating connection, core coil and the iron-core coil being oppositely arranged with the core coil, the core
Coil is connected with copper core conductor, and cored conductor is connected on the iron-core coil.
The present invention is being ensured between core coil and iron-core coil by the way that core coil and iron-core coil to be oppositely arranged
Inductive effects, ensure that the spacing between core coil and iron-core coil is certain, improve the effect incuded between mutual inductor；It should
Set-up mode can ensure the small in size of current transformer entirety, convenient to assemble to current transformer；And because entire electricity
The volume individual module breaker that becomes smaller, therefore produce of stream mutual-inductance apparatus it is small in size, the space occupied is small, side
Just it is assembled.
Preferably, the short-circuiting means further includes first shell and the second shell that is detachably connected with the first shell
Body, the core coil are set in the first shell, and the iron-core coil is set in the second shell；Pass through setting the
One, second shell effectively can be protected and be positioned to core coil and iron-core coil, and also be able to maintain the first, second shell
Constitute the small volume of current transformer.
Preferably, the copper sheet component includes multiple spaced copper sheets and the link block for connecting the copper sheet.
Preferably, it is preferred that the first shell is equipped with first be pierced by for the copper core conductor and is open, and described second
Shell is equipped with the second opening being pierced by for the iron core conductor.
Preferably, the first shell is equipped with socket protrusion, and the second shell is convex to the socket equipped with being inserted in
Socket recess portion in portion；By setting socket protrusion and socket recess portion, connect between achievable first shell and second shell
The stability connect, and first shell and second shell are after connection, good airproof performance.
Preferably, the first shell top is equipped with the first platform part, and the second shell top is equipped with and described first
The second parallel platform part of platform part；By setting the first platform part and the second platform part can keep current mutual-inductance apparatus into
When luggage is matched, the top of current mutual-inductance apparatus is fixed.
The axis body component includes shell, is disposed in the housing magnetic flux ontology, axis body component, for the axis to be sucked
The magnetic part of body component and the capping being connected with the shell, the axis body component include the axis being arranged on the magnetic flux ontology
Body, the elastic component being sheathed on the axis body and the top cover for pushing the axis body to move downward, the top cover with it is described
Bolster is equipped between axis body.
The present invention can reduce the rate of axis body movement by the way that bolster is arranged, thus axis body and magnetic part collide when
It waits, it is small to the bottom impact of shell after axis body is because passing through buffering, therefore it is de- to avoid the relatively described shell of housing bottom from occurring
It falls, improves the stability and service life of magnetic flux when in use.
Preferably, the axis body component further includes the extension bar for connecting the axis body Yu the top cover, the bolster
It covers on the extension bar, the axis body lower part is equipped with plug；It is connected by setting extension bar with axis body, can ensures that bolster transmits
The process of power is stablized, therefore the stabilization that axis body moves up and down；By being arranged, plug can increase axis body lower part and magnetic part is indirectly
Contacting surface product, so that it is good to improve the effect that axis body is sucked in magnetic part.
Preferably, the capping, which is equipped with, covers the through-hole being placed on the axis body for described；It can be just by setting through-hole
It is passed through in through-hole in axis body, and is also avoided that external impurities are fallen in shell.
Preferably, the axis body include the first rod body part and with integrally formed second rod body part of first rod body part,
The diameter of first rod body part is greater than the aperture of the through-hole, and the diameter of second rod body part is less than the hole of the through-hole
Diameter；Axis body can be limited in capping by the way that the first, second rod body part is arranged to disengage, and first rod body part is relatively large in diameter,
The first rod body part can be improved in it and the magnetic part contacts effect.
In conclusion the present invention by the way that core coil and iron-core coil to be oppositely arranged, is ensureing core coil and iron
Inductive effects between core coil ensure the small in size of current transformer entirety, convenient to assemble to current transformer.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is explosive view of the invention.
Fig. 3 is partial structural diagram of the invention.
Fig. 4 is the explosive view of Fig. 3.
Fig. 5 is the enlarged drawing of A in Fig. 4.
Fig. 6 is the structural schematic diagram of tripper of the present invention.
Fig. 7 is the partial structural diagram of tripper of the present invention.
Fig. 8 is the structural schematic diagram of current mutual-inductance apparatus of the present invention.
Fig. 9 is the explosive view of current mutual-inductance apparatus of the present invention.
Figure 10 is the partial exploded view one of current mutual-inductance apparatus of the present invention.
Figure 11 is the partial exploded view two of current mutual-inductance apparatus of the present invention.
Figure 12 is the partial exploded view three of current mutual-inductance apparatus of the present invention.
Figure 13 is the structural schematic diagram of magnetic flux device of the present invention.
Figure 14 is the explosive view of magnetic flux device of the present invention.
Figure 15 is the main view of magnetic flux device of the present invention.
Figure 16 is the cross-sectional view of A-A in Figure 15.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
As illustrated in figs. 1-16, a kind of breaker, including upper casing 31, lower casing 32, tripper, switching device and magnetic flux dress
It sets, wherein the upper and lower shell is plastic shell, the tripper, switching device and magnetic flux device are set to the upper and lower shell
Between, and the upper casing 31 is connected with the lower casing 32 by screw；Specifically, the tripper is three, three disconnected
Road device is arranged side by side in the lower case 32, and the lower casing 32 is equipped with the more a interlayer 321, thus will be described
Space in lower casing 32 is divided into three for placing the cavity of the short-circuiting means；Specifically, the tripper includes shell
19, copper sheet component 18, connection conductor 17 and current mutual-inductance apparatus, wherein the shell 19 is plastic housing, the shell 19 is by two modelings
Material shell links together composition, and heat sink 191 is equipped on the shell 19, and the heat sink 191 is with multiple circular holes gold
Belong to plate；The copper sheet component 18 is set in the shell 19, which includes the spaced copper sheet 181 of muti-piece and connect
Block 182 is connect, the link block 182 is a metal block；The conductor connection conductor 17 is U-shaped metal block, which sets
In in the shell 19, and one end of the connection conductor 17 and the top for being located at the copper sheet 181, the other end is located at described
Other than shell 19.
Further, the current mutual-inductance apparatus includes first shell 11, second shell 12, core coil 13 and iron core line
Circle 14, wherein first, second shell is plastic housing, and the first, second shell is mutually to be detachably connected；It is wherein described
Core coil 13 is set in the first shell 11, and the iron-core coil 14 is set in the second shell 12；The core
Coil 13 is the core 132 and copper wire 133 for including soft materials, and the core 132 can be soft copper, and the copper wire 133 is wound
On the core 132, the diameter of the copper wire 133 is 0.06cm；The core coil 13 is when production, first by copper wire 133
It is wound on core 132, then the both ends of core 132 is welded together again to form annular shape.
Copper core conductor 131 is connected on the core 132, the copper core conductor 131 is copper metal line, the copper core conductor
131 stretch out in the first shell 11, the iron-core coil 14 be include that iron core 142 and copper wire 143 are constituted, the iron core
142 be ferrous metal ring, and the copper wire 143 is identical with above-mentioned copper wire 133, which is wound into the iron core 142
On；Cored conductor 141 is connected on the iron core 142, the iron core conductor 141 is the section lead that a ferrous metal is constituted；
The iron core conductor 141 in the second shell 12 by stretching out.
Specifically, being equipped with socket protrusion 111 in the first shell 11, it is recessed that socket is equipped in the second shell 12
Portion 121, when the first shell 11 is connected with second shell 12, it is recessed that the socket protrusion 111 is inserted into the socket
In portion 121；The first shell 11 is equipped with the first opening 110, and the second shell 12 is equipped with the second opening 120, described
Copper core conductor 131 is pierced by from first opening 110, and the iron core conductor 141 stretches out in second opening 120；
The first platform part 112 is equipped in the first shell 11 simultaneously, the second shell 12 is equipped with the second platform part 122, institute
The first platform part 112 and the second platform part 122 are stated in the same plane, when the first shell 11 is connected with second shell 12
When, first, second platform constitutes a platform, buckle protrusion 1121 is equipped at first platform 112, described
Clamping opening 1221 is equipped at second platform 122, the clamping protrusion 1121 may pass through the clamping opening 1221, to limit
The disassembly of first, second shell.
Further, it is set in second platform part 122 there are two lug boss 1223, the lug boss 1223 is plastics
Column is equipped with the first support foot 115, the second support foot that the lower part of the second shell 12 is equipped in the lower part of the first shell 11
125, clamping part 1151 is equipped on the side wall of first support foot 115, the side wall of second support foot 125 is equipped with buckle mouth
1251, when the first shell 11 is connected with second shell 12, the clamping part 1151 can snap onto the buckle mouth
In 1251；Fixed frame 15 is penetrated in the first shell 11 and second shell 12 simultaneously, the fixed frame 15 is Z-shaped
Sheet metal, the fixed frame 15 are connected by screw with the connection conductor.
Further, three shells 19 are connected by a fixing piece 33, and the fixing piece 33 is a metalwork, three shells
19 one end is connected with by screw with the fixing piece 33；Specifically, being equipped with bracket 34, the bracket 34 on the shell 19
For metal frame made of metal, the switching device is set on the bracket 34, which includes switch knob 41 and C
The rotating block 42 of shape setting, the switch knob 41 are fixedly connected with the rotating block 42；The bracket 34 has two metal sheets structure
At equipped with notch section 341 on the bracket 34；It is connected with shifting part 35 on the bracket 34, the shifting part 35 packet
Include the connecting rod 351 being flexibly connected with the bracket 34, the limiting section 352 being connected with the connecting rod 351, the limiting section 352
In the notch section 341, when the switch knob 41 drives rotating block 42, switch knob 41 can with it is described
Connecting rod 351 is in contact, and moves so that switch knob 41 will drive the shifting part 351, so that limiting section 352 can be in the notch
It is moved in portion 341.
Further, rack 36 is connected on the bracket 34, the rack 36 is a metal frame, the rotation
42 frame of block is equipped with cross bar 37,42 frame of rotating block is in the cross bar 37 on the rack 36 on the rack 36
On, therefore the rotating block 42 is rotated along the cross bar 37；Frame is equipped between the upper casing 31 and lower casing 32
39, the frame 39 is plastic processing frame, and 39 sets of the frame are connected on the switch knob 41, while on the frame 39
Placement folder 40, the shelves 40 are connected with the frame 39, wiring board 41 are equipped in the shelves 40, while described
Lid 42 is stamped in shelves 40, the lid 42 is plastic lid.
Specifically, the magnetic flux device be set to the upper and lower shell in, the magnetic flux device include shell 21, magnetic flux ontology 22,
Axis body component, magnetic part 23 and capping 24, wherein the shell 21 is a metal-back, one end of the shell 21 is opening setting,
Another section can also be set as opening setting, can also equally be set as closing；The magnetic flux ontology 22 is equipped in the shell 21, the magnetic flux
Ontology 22 is made of the skeleton of plastics and the coil being around on skeleton；There is cavity, in the magnetic in the middle part of the magnetic flux ontology 22
Logical ontology 22 is equipped with socket recess portion 221, which is specially the recess portion for being located at plastic skeleton one end, the magnetism
Part 23 is set in the socket recess portion 221, which is that two disks install the rubidium magnet set.Therefore described to work as the magnetic
Logical ontology 22 is placed into after shell 21, and the magnetic part 23 is located at the bottom of the shell 21.
Further, the capping 24 is a sheet metal, and boss 211 is equipped on 21 one end inner wall of shell, described
24 framves are covered on the boss 211, while there is through-hole 240 at the middle part of the capping 24, which is circular hole, should
Through-hole 240 is pierced by the through-hole 240 for axis body component part；Specifically, the axis body component includes axis body 251, top
Lid 253, elastic component 252, bolster 255 and extension bar 256, the axis body 251 are the metal shaft of inner hollow, the axis body 251 packet
Include the first rod body part 2511 and with integrally formed second rod body part 2512 of first rod body part 2511, wherein first bar
The diameter in body portion 2511 is greater than the aperture of the through-hole 240, and the diameter of second rod body part 2512 is less than the through-hole 240
Aperture, therefore second rod body part 2512 can be pierced by the through-hole 240；Simultaneously in first rod body part 2511
Lower part is equipped with plug 257, and the plug 257 is metal block, which blocks the lower part of first rod body part 2511.
Specifically, the screw rod that the extension bar 256 is, which stretches out in the axis body 251, and described
Extension bar 256 is screwed together with the top cover 253, therefore the extension bar 256 connects the axis body 251 and the top cover 253；Institute
State elastic component 252 be spring, 252 sets of the elastic component on the axis body 251, and the lower part of the elastic component 252 with it is described
Capping 24 is in contact, and the top of the elastic component 252 offsets with the top cover 253；And positioning is equipped in the capping 24
Protrusion 241, the lower part of the elastic component 252 cover in the positioning convex portion 241；One is additionally provided in the capping 24 simultaneously
Specifically, the bolster 255 is spring, one end of the bolster 255 offsets with second body of rod, 2512 upper end, described slow
The upper end of stamping 255 offsets with the top cover 253.
When using the magnetic flux, when external force pressing cover, top cover pushes the axis through bolster power transmission
Body downward actuation, and then axis body lower part is first in contact with the magnetic part, so that the axis body is sucked in magnetic part, it should be slow in the process
Elastic deformation can occur for stamping, so that slowing down axis body collides downwards bottom.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (10)
1. a kind of breaker, including upper casing (31), lower casing (32), set on multiple between the upper casing (31) and the lower casing (32)
Tripper, the switching device matched with the tripper and the magnetic being set between the upper casing (31) and the lower casing (32)
Exchange device, it is characterised in that: the tripper include shell (19), be set to the shell (19) in copper sheet component (18),
It is set relatively with described copper sheet component (18) conductor in mating connection (17), core coil (13) and with the core coil (13)
The iron-core coil (14) set, the core coil (13) are connected with copper core conductor (131), are connected on the iron-core coil (14)
Iron core conductor (41).
2. a kind of breaker according to claim 1, it is characterised in that: the short-circuiting means further includes first shell (11)
With the second shell (12) being detachably connected with the first shell (11), the core coil (13) is set to the first shell
(11) in, the iron-core coil (14) is set in the second shell (12).
3. a kind of breaker according to claim 1, it is characterised in that: the copper sheet component (18) includes that multiple intervals are set
Set copper sheet (181) and the link block (182) for connecting the copper sheet (181).
4. a kind of breaker according to claim 1, it is characterised in that: the first shell (11), which is equipped with, supplies the copper
The first opening (110) that core conductor (131) is pierced by, the second shell (12) is equipped with to be pierced by for the iron core conductor (141)
Second opening (120).
5. a kind of breaker according to claim 1, it is characterised in that: the first shell (11) is equipped with socket protrusion
(111), the second shell (12) is equipped with the socket recess portion (121) being inserted in in socket protrusion (111).
6. a kind of breaker according to claim 1, it is characterised in that: it is flat that first shell (11) top is equipped with first
Platform portion (112), second shell (12) top are equipped with second platform part parallel with the first platform part (112)
(122)。
7. a kind of breaker according to claim 1, it is characterised in that: including shell (21), be set to the shell (21)
Interior magnetic flux ontology (22), axis body component, the magnetic part (23) for the axis body component to be sucked and with the shell (21) phase
Capping (24) even.
8. a kind of breaker according to claim 2, it is characterised in that: the axis body component includes being arranged in the magnetic flux
Axis body (251) on ontology (22), the elastic component (252) being sheathed on the axis body (251) and for pushing the axis body
(251) top cover (253) moveed downward is equipped with bolster (255) between the top cover (253) and the axis body (251).
9. a kind of breaker according to claim 2, it is characterised in that: the axis body component further includes described for connecting
The extension bar (256) of axis body (251) and the top cover (253), the bolster (255) cover on the extension bar (256), the axis
Body (251) lower part is equipped with plug (257).
10. a kind of breaker according to claim 1, it is characterised in that: the axis body (251) includes the first rod body part
(2511) and with integrally formed second rod body part (2512) of first rod body part (2511), first rod body part (2511)
Diameter be greater than the aperture of the through-hole (240), the diameter of second rod body part (2512) is less than the hole of the through-hole (240)
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046876.2A CN109830409A (en) | 2019-01-18 | 2019-01-18 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046876.2A CN109830409A (en) | 2019-01-18 | 2019-01-18 | A kind of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109830409A true CN109830409A (en) | 2019-05-31 |
Family
ID=66860527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910046876.2A Pending CN109830409A (en) | 2019-01-18 | 2019-01-18 | A kind of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109830409A (en) |
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|---|---|---|---|---|
| KR200418667Y1 (en) * | 2006-03-14 | 2006-06-14 | 상도전기통신 주식회사 | Compact Leakage Breaker Having Over current and Short Protection |
| CN102347175A (en) * | 2010-07-30 | 2012-02-08 | 上海良信电器股份有限公司 | Electronic releaser for molded case circuit breaker |
| CN102610453A (en) * | 2012-03-16 | 2012-07-25 | 任登华 | Series cut-out switches |
| CN102881438A (en) * | 2012-09-17 | 2013-01-16 | 熊江咏 | Electronic current transformer matched with low-voltage circuit breaker |
| KR20160127208A (en) * | 2015-04-23 | 2016-11-03 | 현대중공업 주식회사 | Current transformer for circuit breaker |
| CN109215997A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | A kind of current transformer and its current mutual inductor coil, iron core and iron core shell |
| CN210837616U (en) * | 2019-01-18 | 2020-06-23 | 杭州科丰电子股份有限公司 | Novel circuit breaker |
-
2019
- 2019-01-18 CN CN201910046876.2A patent/CN109830409A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200418667Y1 (en) * | 2006-03-14 | 2006-06-14 | 상도전기통신 주식회사 | Compact Leakage Breaker Having Over current and Short Protection |
| CN102347175A (en) * | 2010-07-30 | 2012-02-08 | 上海良信电器股份有限公司 | Electronic releaser for molded case circuit breaker |
| CN102610453A (en) * | 2012-03-16 | 2012-07-25 | 任登华 | Series cut-out switches |
| CN102881438A (en) * | 2012-09-17 | 2013-01-16 | 熊江咏 | Electronic current transformer matched with low-voltage circuit breaker |
| KR20160127208A (en) * | 2015-04-23 | 2016-11-03 | 현대중공업 주식회사 | Current transformer for circuit breaker |
| CN109215997A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | A kind of current transformer and its current mutual inductor coil, iron core and iron core shell |
| CN210837616U (en) * | 2019-01-18 | 2020-06-23 | 杭州科丰电子股份有限公司 | Novel circuit breaker |
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