CN104517788B - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN104517788B CN104517788B CN201410822980.3A CN201410822980A CN104517788B CN 104517788 B CN104517788 B CN 104517788B CN 201410822980 A CN201410822980 A CN 201410822980A CN 104517788 B CN104517788 B CN 104517788B
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- CN
- China
- Prior art keywords
- tabletting
- circuit breaker
- miniature circuit
- handle
- screw rod
- Prior art date
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Classifications
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- 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
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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of miniature circuit breaker, including miniature circuit breaker housing, miniature circuit breaker housing upper is provided with handle, it is provided with motor in miniature circuit breaker housing, the outfan of motor connects screw rod, institute's screw jacket is provided with U-shaped frame, screw rod is provided with tabletting, tabletting forms threaded engagement with screw rod and can move axially along a screw, it is protruding that tabletting is provided with tabletting towards handle side, tabletting projection can convex to form with the handle on handle and coordinate, and tabletting opposite side is provided with elastic component, and elastic component is connected with U-shaped frame.The main uses of the present invention is to provide for one and need not manual switching, automatically adaptation closing by hand and the requirement of automatic closing, and simple in construction is easy to operate, the miniature circuit breaker that safety coefficient is high.
Description
Technical field
The invention belongs to technical field of electric appliances, be specifically related to a kind of miniature circuit breaker.
Background technology
Chopper: can turn on, carry and electric current under the conditions of disjunction normal circuit, also can connect or carrying certain time and or a kind of mechanical switch electrical equipment of breaking current during combined failure under the improper circuit condition of regulation.The effect of chopper is known to industry, in normal state, it is ensured that electricity loop i.e. circuit unimpeded；When breaking down and produce short circuit current or caused overcurrent by overload in loop, electrical equipment load is made to realize separating with supply network.Dynamic and static contact group is generally included for this chopper.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 more than the current value set; the dynamic iron core action of magnetictrip; promote and hit bar shock operating mechanism; make operating mechanism unlock, drive dynamic contact to separate with quiet contact.
Miniature circuit breaker, is 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 protections such as single-phase, the short circuit of three-phase of below 125A, overload, overvoltage, including one pole 1P, two pole 2P, three pole 3P, quadrupole 4P etc. four kinds.
At present, miniature circuit breaker on the market cannot be implemented without manual switching, just can automatically adapt to the requirement manually and automatically closed a floodgate.
Summary of the invention
The present invention is to overcome deficiency of the prior art, it is provided that one need not manual switching, automatically adaptation closing by hand and the requirement of automatic closing, and simple in construction is easy to operate, the miniature circuit breaker that safety coefficient is high.
To achieve these goals, the present invention is by the following technical solutions:
nullA kind of miniature circuit breaker of the present invention，Including miniature circuit breaker housing，Described miniature circuit breaker housing upper is provided with handle，It is provided with motor in described miniature circuit breaker housing，The outfan of described motor connects screw rod，Institute's screw jacket is provided with U-shaped frame，Described screw rod is provided with tabletting，Described tabletting forms threaded engagement with screw rod and can move axially along a screw，It is protruding that described tabletting is provided with tabletting towards handle side，Described tabletting projection can convex to form with the handle on handle and coordinate，Tabletting opposite side is provided with elastic component，Described elastic component is connected with U-shaped frame,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 being vertically arranged，Described two centers, vertical portion are respectively equipped with the through hole that can coordinate with screw rod，It is additionally provided with, between described two vertical portions, the connecting plate being set in parallel with horizontal part，Described tabletting is arranged on connecting plate,Described tabletting is provided with elastic component side and has opening，Described opening is connected with rectangular through-hole leading section，The width of described rectangular through-hole is more 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 forms threaded engagement with screw rod，Described connecting plate forms vertical cooperation with opening and rectangular through-hole，Described tabletting can move along the length direction of connecting plate.
Wherein, the outfan of motor connects screw rod, screw rod forms threaded engagement with tabletting, when motor obtains enabling signal, the screw rod of driven by motor outfan rotates, thus drive tabletting to move down axially along a screw, when tabletting is protruding convex to form with the handle on handle coordinate and form linkage when, the formation rotation of band fixed handle will realize combined floodgate effect when tabletting continues to move down.Thus play the requirement of automatic closing, easy to operate, safety coefficient is high.When needs realize, the when of closing by hand, it is only necessary to manually pulling handle can be easy to operate.Two center, vertical portions are respectively equipped with the through hole that can coordinate with screw rod, it is simple to screw rod passes U-shaped frame.The connecting plate being set in parallel with horizontal part it is additionally provided with, it is simple to tabletting is set and tabletting can be played spacing effect between two vertical portions.Tabletting is provided with elastic component side and has opening, and opening is the entrance that tabletting 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 tabletting can move along the length direction of connecting plate.Tabletting can move along the length direction of connecting plate when the motor is energized, can limit the movement locus of tabletting.The width of rectangular through-hole is more than the width of opening so that rectangular through-hole leaves the space for arranging bar shaped guide rail in the junction with connecting plate.
As preferably, described connecting plate be respectively provided on two sides with bar shaped guide rail up and down, described guide rail can be formed with rectangular through-hole and coordinate.Wherein, connecting plate be respectively provided on two sides with bar shaped guide rail up and down, bar shaped guide rail can play the effect of movement locus limiting tabletting.
As preferably, the lower end of described guide rail is provided with the first inclined-plane, and described tabletting is provided with the upper end of elastic component side and is provided with the 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, tabletting is provided with the second inclined-plane, and when tabletting is along with screw motion to bottom, the second inclined-plane can move along the direction that the first inclined-plane tilts, so that tabletting getaway, meanwhile, tabletting is by the acting on of elastic restoring force of elastic component so that tabletting comes back to the top of screw rod, realize resetting, ready for working next time.
As preferably, the lower surface of described tabletting projection is provided with projection, described projection structure triangular in shape.Wherein, the protruding lower surface of tabletting is provided with projection, when tabletting is by the acting on of elastic restoring force of elastic component so that when tabletting comes back to the top of screw rod, handle projection can prop up projection and the rectangular through-hole of tabletting is directed at guide rail, ready for working next time.
As preferably, described elastic component includes that the left elastic in back-shaped structure and right elastic, described left elastic, the upper end of right elastic form shackle, and described left elastic, the bottom of right elastic form the coupler body being connected with the tabletting left and right sides respectively.Wherein, left elastic, right elastic are formed with tabletting from both sides respectively and coordinate so that the stress of tabletting is more reasonable, and resetting when, motion is more steady.
As preferably, described in be arranged at the vertical portion of horizontal part leading section and be provided with fixing lug boss, described fixing lug boss is arranged at the outside of vertical portion and being formed with shackle and coordinate.
As preferably, described tabletting is protruding in reclinate bending structure, and described handle is protruding in the bending structure being bent upwards.Wherein, tabletting is protruding in reclinate bending structure, and handle is protruding in the bending structure being bent upwards, it is simple to tabletting is protruding convexes to form coupling linkage with handle so that transmission is more rationally effectively.
Therefore, there is advantages that simple in construction, easy to operate, safety coefficient is high, it is possible to realizes automatic closing without the need for manual switching, automatically adapts to closing by hand and the requirement of automatic closing.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the 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 tabletting of the present invention；
Fig. 7 is the another kind of structural representation of tabletting 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 the 431, first inclined-plane 432, fixing lug boss 44, elastic component 5, left elastic 51, right elastic 52, shackle 53, coupler body 54, tabletting 6, tabletting projection 61, opening 62, rectangular through-hole 63, semi-cylindrical threaded portion 64, projection the 65, second inclined-plane 66.
Detailed description of the invention
The present invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Embodiment 1: such as Fig. 1, Fig. 2, shown in Fig. 3, a kind of miniature circuit breaker, including miniature circuit breaker housing 1, miniature circuit breaker housing 1 top is provided with handle 3, motor 2 it is provided with in miniature circuit breaker housing 1, the outfan of motor 2 connects screw rod, institute's screw jacket is provided with U-shaped frame 4, screw rod is provided with tabletting 6, tabletting 6 forms threaded engagement with screw rod and can move axially along a screw, tabletting 6 is provided with tabletting 6 projection 61 towards handle 3 side, tabletting 6 projection 61 can be formed with the handle on handle 3 protruding 31 and coordinate, tabletting 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 outfan of motor 2 connects screw rod, screw rod and tabletting 6 form threaded engagement, when motor 2 obtains enabling signal, motor 2 drives the screw rod of outfan to rotate, thus drives tabletting 6 to move down axially along a screw, when protruding 31 formation of tabletting 6 protruding 61 and the handle on handle 3 coordinate and form linkage when, rotation will be formed realize combined floodgate effect by band fixed handle 3 when tabletting 6 continues to move down.Thus play the requirement of automatic closing, easy to operate, safety coefficient is high.When needs realize, the when of closing by hand, it is only necessary to manually pulling 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 being vertically arranged, two center, vertical portions 42 are respectively equipped with the through hole that can coordinate with screw rod, being additionally provided with the connecting plate 43 being set in parallel with horizontal part 41 between two vertical portions 42, tabletting 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, it is simple to screw rod passes U-shaped frame 4.The connecting plate 43 being set in parallel with horizontal part 41 it is additionally provided with, it is simple to tabletting 6 is set and tabletting 6 can be played spacing effect between two vertical portions 42.
Tabletting 6 is provided with elastic component 5 side and has opening 62, opening 62 is connected with rectangular through-hole 63 leading section, the width of rectangular through-hole 63 is more 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 forms threaded engagement with screw rod, connecting plate 43 forms vertical cooperation with opening 62 and rectangular through-hole 63, and tabletting 6 can move along the length direction of connecting plate 43.Wherein, tabletting 6 is provided with elastic component 5 side and has opening 62, and opening 62 is the entrance that tabletting 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 tabletting 6 can move along the length direction of connecting plate 43.When motor 2 starts, tabletting 6 can move along the length direction of connecting plate 43, can limit the movement locus of tabletting 6.The width of rectangular through-hole 63 is more than the width of opening 62 so that rectangular through-hole 63 leaves the space for arranging bar shaped guide rail 431 in the junction with connecting plate 43.
As shown in Figure 6, Figure 7, connecting plate 43 be respectively provided on two sides with bar shaped guide rail 431 up and down, guide rail 431 can with rectangular through-hole 63 formed coordinate.Wherein, connecting plate 43 be respectively provided on two sides with bar shaped guide rail 431 up and down, bar shaped guide rail 431 can play the effect of movement locus limiting tabletting 6.
The lower end of guide rail 431 as shown in Fig. 2, Fig. 4, Fig. 6 is provided with the first inclined-plane 432, and tabletting 6 is provided with the upper end of elastic component 5 side and is provided with the 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, tabletting 6 is provided with the second inclined-plane 66, and when tabletting 6 is along with screw motion to bottom, the second inclined-plane 66 can move along the direction that the first inclined-plane 432 tilts, so that tabletting 6 getaway 431, meanwhile, tabletting 6 is by the acting on of elastic restoring force of elastic component 5 so that tabletting 6 comes back to the top of screw rod, realize resetting, ready for working next time.
As shown in Figure 6, the lower surface of tabletting projection 61 is provided with projection 65, projection 65 structure triangular in shape.Wherein, the lower surface of tabletting projection 61 is provided with projection 65, when tabletting 6 is by the acting on of elastic restoring force of elastic component 5, when making the top that tabletting 6 comes back to screw rod, handle projection 31 can prop up projection 65 and the rectangular through-hole 63 of tabletting 6 is directed at guide rail 431, ready for working next time.
As shown in Figure 8, elastic component 5 includes the left elastic 51 in back-shaped structure and right elastic 52, left elastic 51, the upper end of right elastic 52 form shackle 53, and left elastic 51, the bottom of right elastic 52 form the coupler body 54 being connected with tabletting 6 left and right sides respectively.Wherein, left elastic 51, right elastic 52 are formed with tabletting 6 from both sides respectively and coordinate so that the stress of tabletting 6 is more reasonable, and resetting when, motion is more steady.The vertical portion 42 being arranged at horizontal part 41 leading section is provided with fixing lug boss 44, and fixing lug boss 44 is arranged at the outside of vertical portion 42 and can coordinate with shackle 53 formation.
As shown in Figure 5, Figure 6, tabletting projection 61 is in reclinate bending structure, and handle projection 31 is in the bending structure being bent upwards.Wherein, tabletting projection 61 is in reclinate bending structure, and handle projection 31 is in the bending structure being bent upwards, it is simple to tabletting protruding 61 forms coupling linkage with handle protruding 31 so that transmission is more rationally effectively.
Operationally: when motor 2 obtains enabling signal, motor 2 drives the screw rod of outfan to rotate, thus drive tabletting 6 to move down axially along a screw, when protruding 31 formation of tabletting protruding 61 and the handle on handle 3 coordinate and form linkage when, rotation will be formed realize combined floodgate effect by band fixed handle 3 when tabletting 6 continues to move down.When tabletting 6 is along with screw motion to bottom, second inclined-plane 66 can move along the direction that the first inclined-plane 432 tilts, so that tabletting 6 getaway 431, meanwhile, tabletting 6 is by the acting on of elastic restoring force of elastic component 5 so that tabletting 6 comes back to the top of screw rod, it is achieved reset, handle projection 31 can prop up projection 65 and the rectangular through-hole 63 of tabletting 6 is directed at guide rail 431, ready for working next time.
The foregoing is only the specific embodiment of the present invention, but the architectural feature of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and change or the modification made all are contained among the scope of the claims of the present invention.
Claims (7)
- null1. a miniature circuit breaker，Including miniature circuit breaker housing，It is characterized in that: described miniature circuit breaker housing upper is provided with handle，It is provided with motor in described miniature circuit breaker housing，The outfan of described motor connects screw rod，Institute's screw jacket is provided with U-shaped frame，Described screw rod is provided with tabletting，Described tabletting forms threaded engagement with screw rod and can move axially along a screw，It is protruding that described tabletting is provided with tabletting towards handle side，Described tabletting projection can convex to form with the handle on handle and coordinate，Tabletting opposite side is provided with elastic component，Described elastic component is connected with U-shaped frame,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 being vertically arranged，Described two centers, vertical portion are respectively equipped with the through hole that can coordinate with screw rod，It is additionally provided with, between described two vertical portions, the connecting plate being set in parallel with horizontal part，Described tabletting is arranged on connecting plate,Described tabletting is provided with elastic component side and has opening，Described opening is connected with rectangular through-hole leading section，The width of described rectangular through-hole is more 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 forms threaded engagement with screw rod，Described connecting plate forms vertical cooperation with opening and rectangular through-hole，Described tabletting can move along the length direction of connecting plate.
- Miniature circuit breaker the most according to claim 1, it is characterised in that: described connecting plate be respectively provided on two sides with bar shaped guide rail up and down, described guide rail can with rectangular through-hole formed coordinate.
- Miniature circuit breaker the most according to claim 2, it is characterised in that: the lower end of described guide rail is provided with the first inclined-plane, and described tabletting is provided with the upper end of elastic component side and is provided with the second inclined-plane that can coordinate with the first inclined-plane.
- Miniature circuit breaker the most according to claim 1, it is characterised in that: the lower surface of described tabletting projection is provided with projection, described projection structure triangular in shape.
- Miniature circuit breaker the most according to claim 1, it is characterized in that: described elastic component includes the left elastic in back-shaped structure and right elastic, described left elastic, the upper end of right elastic form shackle, and described left elastic, the bottom of right elastic form the coupler body being connected with the tabletting left and right sides respectively.
- Miniature circuit breaker the most according to claim 5, it is characterised in that the vertical portion being arranged at horizontal part leading section described in: is provided with fixing lug boss, described fixing lug boss is arranged at the outside of vertical portion and can coordinate with shackle formation.
- Miniature circuit breaker the most according to claim 1, it is characterised in that: described tabletting is protruding in reclinate bending structure, and described handle is protruding in the bending structure being 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 CN104517788A (en) | 2015-04-15 |
| CN104517788B true CN104517788B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410822980.3A Active CN104517788B (en) | 2014-12-26 | 2014-12-26 | Miniature circuit breaker |
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| CN (1) | CN104517788B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355518B (en) * | 2015-10-21 | 2018-08-28 | 佳一电气有限公司 | Miniature circuit breaker control device and the method for controlling miniature circuit breaker using the device |
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3272190B2 (en) * | 1994-05-20 | 2002-04-08 | 三菱電機株式会社 | Operation spring energy storage device |
| CN101707169B (en) * | 2009-09-30 | 2015-02-04 | 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 |
| CN101783268B (en) * | 2010-01-13 | 2012-05-02 | 上海贝红通信电器国际有限公司 | Remote control device of circuit breaker |
| CN103515164B (en) * | 2012-06-28 | 2016-03-02 | 施耐德电器工业公司 | For combined floodgate driving mechanism and the motor-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 |
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2014
- 2014-12-26 CN CN201410822980.3A patent/CN104517788B/en active Active
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| CN104517788A (en) | 2015-04-15 |
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