CN104517788A - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN104517788A CN104517788A CN201410822980.3A CN201410822980A CN104517788A CN 104517788 A CN104517788 A CN 104517788A CN 201410822980 A CN201410822980 A CN 201410822980A CN 104517788 A CN104517788 A CN 104517788A
- Authority
- CN
- China
- Prior art keywords
- compressing tablet
- circuit breaker
- miniature circuit
- screw rod
- handle
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a miniature circuit breaker. The miniature circuit breaker comprises a miniature circuit breaker shell, wherein a handle is arranged at the upper part of the miniature circuit breaker shell; a motor is arranged inside the miniature circuit breaker shell; a screw rod is connected with an output end of the motor; a U-shaped rack sleeves the screw rod; a pressing sheet is arranged on the screw rod; the pressing sheet is in threaded fit with the screw rod and can move in the axial direction of the screw rod; a pressing sheet bulge is arranged on one side, facing the handle, of the pressing sheet; the pressing sheet bulge can be matched with a handle bulge on the handle; an elastic component is arranged on the other side of the pressing sheet; the elastic component is connected with the U-shaped rack. The invention mainly aims to provide the miniature circuit breaker which does not need manual switching, can be automatically adapted to requirements on manual closing and automatic closing, and is simple in structure, convenient to operate and high in safety coefficient.
Description
Technical field
The invention belongs to technical field of electric appliances, be specifically related to a kind of miniature circuit breaker.
Background technology
Circuit breaker: can connect, carry and electric current under disjunction normal circuit condition, also can connect under the improper circuit condition specified or combined failure time carrying certain hour and or a kind of mechanical switch electrical equipment of breaking current.The effect of circuit breaker is that industry is known, in normal state, ensures the unimpeded of electric loop and circuit; When loop break down produce short circuit current or cause overcurrent by overload time, make electrical equipment load and supply network realize being separated.Circuit breaker generally includes dynamic and static contact group for this reason.Miniature circuit breaker utilizes magnetictrip and electrical current heat element to realize short-circuit protection and overcurrent protection; when the short circuit current passed through in coil is greater than the current value of setting; the dynamic iron core action of magnetictrip; promote to hit bar and clash into operating mechanism; operating mechanism is unlocked, drives dynamic contact to be separated with quiet contact.
Miniature circuit breaker, being called for short MCB (Micro Circuit Breaker), is most popular a kind of terminal protection electrical equipment during architectural electricity terminal power distribution draws.For the protection such as short circuit, overload, overvoltage of single-phase, the three-phase of below 125A, comprise one pole 1P, two pole 2P, three pole 3P, four pole 4P etc. four kinds.
At present, miniature circuit breaker on the market cannot realize not needing manual switchover, just can automatically adapt to manually and the requirement of automatic closing.
Summary of the invention
The present invention is that providing one does not need manual switchover in order to overcome deficiency of the prior art, automatically adapts to the requirement of closing by hand and automatic closing, and structure is simple, easy to operate, the miniature circuit breaker that coefficient of safety is high.
To achieve these goals, the present invention is by the following technical solutions:
A kind of miniature circuit breaker of the present invention, comprise miniature circuit breaker housing, described miniature circuit breaker housing upper is provided with handle, motor is provided with in described miniature circuit breaker housing, the output of described motor is connected with screw rod, institute's screw jacket is provided with U-shaped frame, described screw rod is provided with compressing tablet, described compressing tablet and screw rod form threaded engagement and can move along screw axial, described compressing tablet is provided with compressing tablet projection towards handle side, described compressing tablet projection can convex to form with the handle on handle and coordinate, and compressing tablet opposite side is provided with elastic component, and described elastic component is connected with U-shaped frame.Wherein, the output of motor is connected with screw rod, screw rod and compressing tablet form threaded engagement, when motor obtains enabling signal, the bolt rotary of driven by motor output, thus drive compressing tablet to move down along screw axial, when compressing tablet is protruding to convex to form with the handle on handle coordinate and formed link time, fixed handle formation rotation will be with to realize combined floodgate effect when compressing tablet continues to move down.Thus play the requirement of automatic closing, easy to operate, coefficient of safety is high.When needs realize, when closing by hand, only needing manually to pull handle can be easy to operate.
As preferably, the vertical portion that described U-shaped frame is arranged by horizontal part and horizontal part rear and front end portion, described vertical portion respectively with horizontal part in vertically arranging, described two centers, vertical portion are respectively equipped with the through hole that can coordinate with screw rod, also be provided with the connecting plate be set in parallel with horizontal part between described two vertical portions, described compressing tablet is arranged on connecting plate.Wherein, two centers, vertical portion are respectively equipped with the through hole that can coordinate with screw rod, are convenient to screw rod through U-shaped frame.Also be provided with the connecting plate be set in parallel with horizontal part between two vertical portions, be convenient to arrange compressing tablet and spacing effect can be played to compressing tablet.
As preferably, described compressing tablet is provided with this side of elastic component and has opening, described opening is connected with rectangular through-hole leading section, the width of described rectangular through-hole is greater than the width of opening, the rear portion of described rectangular through-hole is provided with semi-cylindrical threaded portion, described semi-cylindrical threaded portion and screw rod form threaded engagement, and described connecting plate forms vertical cooperation with opening and rectangular through-hole, and described compressing tablet can move along the length direction of connecting plate.Wherein, compressing tablet is provided with this side of elastic component and has opening, and opening is the entrance that compressing tablet coordinates with connecting plate.Opening is connected with rectangular through-hole leading section, and connecting plate forms vertical cooperation with opening and rectangular through-hole, and compressing tablet can move along the length direction of connecting plate.Compressing tablet can move along the length direction of connecting plate when the motor is energized, can limit the movement locus of compressing tablet.The width of rectangular through-hole is greater than the width of opening, makes rectangular through-hole leave space for arranging bar shaped guide rail in the junction with connecting plate.
As preferably, the both sides up and down of described connecting plate are respectively equipped with bar shaped guide rail, and described guide rail can be formed with rectangular through-hole and coordinate.Wherein, the both sides up and down of connecting plate are respectively equipped with bar shaped guide rail, and bar shaped guide rail can play the effect of the movement locus limiting compressing tablet.
As preferably, the lower end of described guide rail is provided with the first inclined-plane, and the upper end that described compressing tablet is provided with this side of elastic component is provided with second inclined-plane that can coordinate with the first inclined-plane.Wherein, the lower end of guide rail is provided with the first inclined-plane, compressing tablet is provided with the second inclined-plane, and when compressing tablet is along with screw motion is to time bottom, move in the direction that the second inclined-plane can tilt along the first inclined-plane, thus make compressing tablet getaway, meanwhile, compressing tablet is subject to the effect of the elastic restoring force of elastic component, makes compressing tablet come back to the top of screw rod, realize resetting, ready for working next time.
As preferably, the lower surface of described compressing tablet projection is provided with projection, described projection structure triangular in shape.Wherein, the lower surface of compressing tablet projection is provided with projection, when compressing tablet is subject to the effect of the elastic restoring force of elastic component, when making compressing tablet come back to the top of screw rod, handle projection can prop up projection and the rectangular through-hole of compressing tablet is aimed at guide rail, ready for working next time.
As preferably, described elastic component comprises left elastic portion in back-shaped structure and right elastic portion, and the upper end of described left elastic portion, right elastic portion forms shackle, and the bottom of described left elastic portion, right elastic portion forms the coupler body be connected with the compressing tablet left and right sides respectively.Wherein, left elastic portion, right elastic portion are formed with compressing tablet from both sides respectively and coordinate, and make the stressed more reasonable of compressing tablet, when reset, motion is more steady.
As preferably, described in be arranged at horizontal part leading section vertical portion be provided with fixing lug boss, the outside and being formed with shackle that described fixing lug boss is arranged at vertical portion coordinates.As preferably, described compressing tablet projection is in reclinate bending structure, and described handle is protruding in the bending structure be bent upwards.Wherein, compressing tablet projection is in reclinate bending structure, and handle is protruding in the bending structure be bent upwards, and is convenient to compressing tablet projection and convexes to form coupling linkage with handle, make transmission more rationally effectively.
Therefore, the present invention has following beneficial effect: structure is simple, and easy to operate, coefficient of safety is high, and can realize automatic closing does not need manual switchover simultaneously, automatically adapts to the requirement of closing by hand and automatic closing.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is another kind of structural representation of the present invention;
Fig. 3 is the structural representation of motor of the present invention;
Fig. 4 is the structural representation of the U-shaped frame of the present invention;
Fig. 5 is the structural representation of handle of the present invention;
Fig. 6 is a kind of structural representation of compressing tablet of the present invention;
Fig. 7 is the another kind of structural representation of compressing tablet of the present invention;
Fig. 8 is the structural representation of elastic component of the present invention;
In figure: miniature circuit breaker housing 1, motor 2, handle 3, handle projection 31, U-shaped frame 4, horizontal part 41, vertical portion 42, connecting plate 43, guide rail 431, first inclined-plane 432, fixing lug boss 44, elastic component 5, left elastic portion 51, right elastic portion 52, shackle 53, coupler body 54, compressing tablet 6, compressing tablet projection 61, opening 62, rectangular through-hole 63, semi-cylindrical threaded portion 64, projection 65, second inclined-plane 66.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1: as Fig. 1, Fig. 2, shown in Fig. 3, a kind of miniature circuit breaker, comprise miniature circuit breaker housing 1, miniature circuit breaker housing 1 top is provided with handle 3, motor 2 is provided with in miniature circuit breaker housing 1, the output of motor 2 is connected with screw rod, institute's screw jacket is provided with U-shaped frame 4, screw rod is provided with compressing tablet 6, compressing tablet 6 and screw rod form threaded engagement and can move along screw axial, compressing tablet 6 is provided with compressing tablet 6 projection 61 towards handle 3 side, compressing tablet 6 projection 61 can be formed with the handle on handle 3 protruding 31 and coordinate, compressing tablet 6 opposite side is provided with elastic component 5, elastic component 5 is connected with U-shaped frame 4.As shown in Figure 1, wherein, the output of motor 2 is connected with screw rod, screw rod and compressing tablet 6 form threaded engagement, when motor 2 obtains enabling signal, motor 2 drives the bolt rotary of output, thus drives compressing tablet 6 to move down along screw axial, when compressing tablet 6 protruding 61 and the handle projection 31 on handle 3 formed coordinate and formed link time, fixed handle 3 will be with to form rotation realize combined floodgate effect when compressing tablet 6 continues to move down.Thus play the requirement of automatic closing, easy to operate, coefficient of safety is high.When needs realize, when closing by hand, only needing manually to pull handle 3 can be easy to operate.
As shown in Figure 4, the vertical portion 42 that U-shaped frame 4 is arranged by horizontal part 41 and horizontal part 41 rear and front end portion, vertical portion 42 respectively with horizontal part 41 in vertically arranging, two center, vertical portions 42 are respectively equipped with the through hole that can coordinate with screw rod, also be provided with the connecting plate 43 be set in parallel with horizontal part 41 between two vertical portions 42, compressing tablet 6 is arranged on connecting plate 43.Wherein, two centers, vertical portion 42 are respectively equipped with the through hole that can coordinate with screw rod, are convenient to screw rod through U-shaped frame 4.Also be provided with the connecting plate 43 be set in parallel with horizontal part 41 between two vertical portions 42, be convenient to arrange compressing tablet 6 and spacing effect can be played to compressing tablet 6.
Compressing tablet 6 is provided with this side of elastic component 5 and has opening 62, opening 62 is connected with rectangular through-hole 63 leading section, the width of rectangular through-hole 63 is greater than the width of opening 62, the rear portion of rectangular through-hole 63 is provided with semi-cylindrical threaded portion 64, semi-cylindrical threaded portion 64 and screw rod form threaded engagement, connecting plate 43 forms vertical cooperation with opening 62 and rectangular through-hole 63, and compressing tablet 6 can move along the length direction of connecting plate 43.Wherein, compressing tablet 6 is provided with this side of elastic component 5 and has opening 62, and opening 62 is the entrance that compressing tablet 6 coordinates with connecting plate 43.Opening 62 is connected with rectangular through-hole 63 leading section, and connecting plate 43 forms vertical cooperation with opening 62 and rectangular through-hole 63, and compressing tablet 6 can move along the length direction of connecting plate 43.When motor 2 starts, compressing tablet 6 can move along the length direction of connecting plate 43, can limit the movement locus of compressing tablet 6.The width of rectangular through-hole 63 is greater than the width of opening 62, makes rectangular through-hole 63 leave space for arranging bar shaped guide rail 431 in the junction with connecting plate 43.
As shown in Figure 6, Figure 7, the both sides up and down of connecting plate 43 are respectively equipped with bar shaped guide rail 431, and guide rail 431 can be formed with rectangular through-hole 63 and coordinate.Wherein, the both sides up and down of connecting plate 43 are respectively equipped with bar shaped guide rail 431, and bar shaped guide rail 431 can play the effect of the movement locus limiting compressing tablet 6.
As shown in Fig. 2, Fig. 4, Fig. 6, the lower end of guide rail 431 is provided with the first inclined-plane 432, and the upper end that compressing tablet 6 is provided with this side of elastic component 5 is provided with second inclined-plane 66 that can coordinate with the first inclined-plane 432.Wherein, the lower end of guide rail 431 is provided with the first inclined-plane 432, compressing tablet 6 is provided with the second inclined-plane 66, and when compressing tablet 6 is along with screw motion is to time bottom, move in the direction that the second inclined-plane 66 can tilt along the first inclined-plane 432, thus make compressing tablet 6 getaway 431, meanwhile, compressing tablet 6 is subject to the effect of the elastic restoring force of elastic component 5, makes compressing tablet 6 come back to the top of screw rod, realize resetting, ready for working next time.
As shown in Figure 6, the lower surface of compressing tablet projection 61 is provided with projection 65, projection 65 structure triangular in shape.Wherein, the lower surface of compressing tablet projection 61 is provided with projection 65, when compressing tablet 6 is subject to the effect of the elastic restoring force of elastic component 5, when making compressing tablet 6 come back to the top of screw rod, handle projection 31 can prop up projection 65 and the rectangular through-hole 63 of compressing tablet 6 is aimed at guide rail 431, ready for working next time.
As shown in Figure 8, elastic component 5 comprises left elastic portion 51 in back-shaped structure and right elastic portion 52, the upper end of left elastic portion 51, right elastic portion 52 forms shackle 53, and the bottom of left elastic portion 51, right elastic portion 52 forms the coupler body 54 be connected with compressing tablet 6 left and right sides respectively.Wherein, left elastic portion 51, right elastic portion 52 are formed with compressing tablet 6 from both sides respectively and coordinate, and make the stressed more reasonable of compressing tablet 6, when reset, motion is more steady.The vertical portion 42 being arranged at horizontal part 41 leading section is provided with fixing lug boss 44, and the outside and being formed with shackle 53 that fixing lug boss 44 is arranged at vertical portion 42 coordinates.
As shown in Figure 5, Figure 6, compressing tablet protruding 61 is in reclinate bending structure, and handle projection 31 is in the bending structure be bent upwards.Wherein, compressing tablet protruding 61 is in reclinate bending structure, and handle projection 31, in the bending structure be bent upwards, is convenient to compressing tablet protruding 61 and is formed coupling linkage with handle protruding 31, make transmission more rationally effectively.
Operationally: when motor 2 obtains enabling signal, motor 2 drives the bolt rotary of output, thus drive compressing tablet 6 to move down along screw axial, when compressing tablet protruding 61 and the handle projection 31 on handle 3 formed coordinate and formed link time, fixed handle 3 will be with to form rotation realize combined floodgate effect when compressing tablet 6 continues to move down.When compressing tablet 6 is along with screw motion is to time bottom, move in the direction that second inclined-plane 66 can tilt along the first inclined-plane 432, thus make compressing tablet 6 getaway 431, meanwhile, compressing tablet 6 is subject to the effect of the elastic restoring force of elastic component 5, makes compressing tablet 6 come back to the top of screw rod, realizes resetting, handle projection 31 can prop up projection 65 and the rectangular through-hole 63 of compressing tablet 6 is aimed at guide rail 431, ready for working next time.
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (9)
1. a miniature circuit breaker, comprise miniature circuit breaker housing, it is characterized in that: described miniature circuit breaker housing upper is provided with handle, motor is provided with in described miniature circuit breaker housing, the output of described motor is connected with screw rod, institute's screw jacket is provided with U-shaped frame, described screw rod is provided with compressing tablet, described compressing tablet and screw rod form threaded engagement and can move along screw axial, described compressing tablet is provided with compressing tablet projection towards handle side, described compressing tablet projection can convex to form with the handle on handle and coordinate, and compressing tablet opposite side is provided with elastic component, and described elastic component is connected with U-shaped frame.
2. miniature circuit breaker according to claim 1, it is characterized in that: the vertical portion that described U-shaped frame is arranged by horizontal part and horizontal part rear and front end portion, described vertical portion respectively with horizontal part in vertically arranging, described two centers, vertical portion are respectively equipped with the through hole that can coordinate with screw rod, also be provided with the connecting plate be set in parallel with horizontal part between described two vertical portions, described compressing tablet is arranged on connecting plate.
3. miniature circuit breaker according to claim 2, it is characterized in that: described compressing tablet is provided with this side of elastic component and has opening, described opening is connected with rectangular through-hole leading section, the width of described rectangular through-hole is greater than the width of opening, the rear portion of described rectangular through-hole is provided with semi-cylindrical threaded portion, described semi-cylindrical threaded portion and screw rod form threaded engagement, and described connecting plate forms vertical cooperation with opening and rectangular through-hole, and described compressing tablet can move along the length direction of connecting plate.
4. the miniature circuit breaker according to Claims 2 or 3, is characterized in that: the both sides up and down of described connecting plate are respectively equipped with bar shaped guide rail, and described guide rail can be formed with rectangular through-hole and coordinate.
5. miniature circuit breaker according to claim 4, is characterized in that: the lower end of described guide rail is provided with the first inclined-plane, and the upper end that described compressing tablet is provided with this side of elastic component is provided with second inclined-plane that can coordinate with the first inclined-plane.
6. the miniature circuit breaker according to claim 1 or 2 or 3, is characterized in that: the lower surface of described compressing tablet projection is provided with projection, described projection structure triangular in shape.
7. the miniature circuit breaker according to claim 1 or 2 or 3, it is characterized in that: described elastic component comprises left elastic portion in back-shaped structure and right elastic portion, the upper end of described left elastic portion, right elastic portion forms shackle, and the bottom of described left elastic portion, right elastic portion forms the coupler body be connected with the compressing tablet left and right sides respectively.
8. miniature circuit breaker according to claim 7, is characterized in that: described in be arranged at horizontal part leading section vertical portion be provided with fixing lug boss, the outside and being formed with shackle that described fixing lug boss is arranged at vertical portion coordinates.
9. the miniature circuit breaker according to claim 1 or 2 or 3, is characterized in that: described compressing tablet projection is in reclinate bending structure, and described handle is protruding in the bending structure be bent upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822980.3A CN104517788B (en) | 2014-12-26 | 2014-12-26 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822980.3A CN104517788B (en) | 2014-12-26 | 2014-12-26 | Miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104517788A true CN104517788A (en) | 2015-04-15 |
| CN104517788B CN104517788B (en) | 2016-08-17 |
Family
ID=52792942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410822980.3A Active CN104517788B (en) | 2014-12-26 | 2014-12-26 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104517788B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355518A (en) * | 2015-10-21 | 2016-02-24 | 佳一电气有限公司 | Miniature circuit breaker control device and method applying device to control circuit breaker |
| CN110349819A (en) * | 2019-05-31 | 2019-10-18 | 厦门莱能科技有限公司 | A kind of auto-manual switching device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0836934A (en) * | 1994-05-20 | 1996-02-06 | Mitsubishi Electric Corp | Operational spring energy storing device |
| CN101707169A (en) * | 2009-09-30 | 2010-05-12 | 湖北盛佳电器设备有限公司 | Electric operation mechanism for realizing automatic switching-on function of miniature circuit breaker |
| CN101783268A (en) * | 2010-01-13 | 2010-07-21 | 上海贝红通信电器国际有限公司 | Remote control device of circuit breaker |
| CN203165828U (en) * | 2013-03-22 | 2013-08-28 | 北京Abb低压电器有限公司 | Executor used for operating breaker |
| CN203179716U (en) * | 2013-03-01 | 2013-09-04 | 杭州凯雅捷科技有限公司 | Automatic reclosing transmission mechanism |
| CN103515164A (en) * | 2012-06-28 | 2014-01-15 | 施耐德电器工业公司 | Switching-on driving mechanism and electric operating mechanism of miniature circuit breaker |
| CN203746767U (en) * | 2014-03-11 | 2014-07-30 | 温州圣普电气有限公司 | Intelligent switching-off and switching-on apparatus of miniaturized breaker |
| CN204480985U (en) * | 2014-12-26 | 2015-07-15 | 华威博奥电力设备有限公司 | Miniature circuit breaker |
-
2014
- 2014-12-26 CN CN201410822980.3A patent/CN104517788B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0836934A (en) * | 1994-05-20 | 1996-02-06 | Mitsubishi Electric Corp | Operational spring energy storing device |
| CN101707169A (en) * | 2009-09-30 | 2010-05-12 | 湖北盛佳电器设备有限公司 | Electric operation mechanism for realizing automatic switching-on function of miniature circuit breaker |
| CN101783268A (en) * | 2010-01-13 | 2010-07-21 | 上海贝红通信电器国际有限公司 | Remote control device of circuit breaker |
| CN103515164A (en) * | 2012-06-28 | 2014-01-15 | 施耐德电器工业公司 | Switching-on driving mechanism and electric operating mechanism of miniature circuit breaker |
| CN203179716U (en) * | 2013-03-01 | 2013-09-04 | 杭州凯雅捷科技有限公司 | Automatic reclosing transmission mechanism |
| CN203165828U (en) * | 2013-03-22 | 2013-08-28 | 北京Abb低压电器有限公司 | Executor used for operating breaker |
| CN203746767U (en) * | 2014-03-11 | 2014-07-30 | 温州圣普电气有限公司 | Intelligent switching-off and switching-on apparatus of miniaturized breaker |
| CN204480985U (en) * | 2014-12-26 | 2015-07-15 | 华威博奥电力设备有限公司 | Miniature circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355518A (en) * | 2015-10-21 | 2016-02-24 | 佳一电气有限公司 | Miniature circuit breaker control device and method applying device to control circuit breaker |
| CN110349819A (en) * | 2019-05-31 | 2019-10-18 | 厦门莱能科技有限公司 | A kind of auto-manual switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104517788B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201112303Y (en) | Accumulated energy type high subsection small circuit breaker | |
| CN111477503A (en) | Plug-in circuit breaker | |
| CN111477504A (en) | Plug-in circuit breaker | |
| CN111477507A (en) | Plug-in circuit breaker | |
| CN202772081U (en) | Thermal electromagnetic system of miniature circuit breaker | |
| CN104517788B (en) | Miniature circuit breaker | |
| CN211350520U (en) | Wiring terminal and plug-in circuit breaker | |
| CN204480985U (en) | Miniature circuit breaker | |
| CN112820591A (en) | Internet of things miniature circuit breaker | |
| CN202721095U (en) | Large current miniature circuit breaker | |
| CN111489932B (en) | Binding post and plug-in circuit breaker | |
| CN211208362U (en) | Plug-in circuit breaker | |
| CN211208346U (en) | Plug-in circuit breaker | |
| CN202454514U (en) | Small prepayment breaker | |
| CN201985048U (en) | Circuit breaker | |
| CN112820592A (en) | Wiring terminal and plug-in circuit breaker | |
| CN203165831U (en) | Breaker | |
| CN201490129U (en) | New tripping mechanism of grounding failure breaker | |
| CN102592912A (en) | Small-size prepayment circuit breaker | |
| CN102820182A (en) | Large-current miniature circuit breaker | |
| CN207690739U (en) | A kind of buckle releaser of miniature circuit breaker | |
| CN201478225U (en) | Assistant type earth fault circuit breaker | |
| CN204155887U (en) | The compact miniature circuit breaker in a kind of the two poles of the earth | |
| CN202058674U (en) | Trip gear for plastic casing breaker | |
| CN208189500U (en) | The tripping mechanism of miniature circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |