CN105762032A - Electrical apparatus release used in circuit breaker and circuit breaker - Google Patents
Electrical apparatus release used in circuit breaker and circuit breaker Download PDFInfo
- Publication number
- CN105762032A CN105762032A CN201610224061.5A CN201610224061A CN105762032A CN 105762032 A CN105762032 A CN 105762032A CN 201610224061 A CN201610224061 A CN 201610224061A CN 105762032 A CN105762032 A CN 105762032A
- Authority
- CN
- China
- Prior art keywords
- electrical apparatus
- apparatus release
- circuit breaker
- chopper
- installing rack
- 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.)
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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
- H01H71/12—Automatic release mechanisms with or without manual release
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- Breakers (AREA)
Abstract
An electrical apparatus release used in a circuit breaker and the circuit breaker are provided. The electrical apparatus release used in the circuit breaker comprises an electrical apparatus release body and an installation rack, wherein positioning of the electrical apparatus release body on a circuit breaker substrate is realized via the installation rack. According to an embodiment of the electrical apparatus release used in the circuit breaker and the circuit breaker, the electrical apparatus release can be freely detached and reinstalled on the circuit breaker substrate without detachment of other parts positioned around the electrical apparatus release, and great convenience is realized.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, particularly relate to a kind of electrical apparatus release being used in chopper and chopper.
Background technology
Chopper is that one is possible not only to connect and disjunction normal load electric current, and can the device for switching of disjunction short circuit current and overcurrent (being referred to as fault current).It acts primarily as the effect of short circuit and overload protection in circuit, sometimes also has the function such as low-voltage protection and remote disjunction power supply.
Electrical apparatus release is the important component part of chopper.When occurring overcurrent or short circuit current (that is, fault current) in the major loop of chopper, the actuating station of electrical apparatus release is under the effect of fault current, and the draw bar of pushing and withstanding chopper makes chopper disjunction.
Generally, electrical apparatus release directly coordinates, with the mounting groove on circuit breaker base, the location realizing between electrical apparatus release and circuit breaker base by the external part of its both sides, and electrical apparatus release is vertically extracted only along mounting groove or inserts.When breaking down when electrical apparatus release or need due to other reasons to change, owing to chopper being in the miscellaneous part around electrical apparatus release, for instance the stop of draw bar in mechanism, it is necessary to first the miscellaneous part around electrical apparatus release is dismantled and could change electrical apparatus release.
Summary of the invention
The invention provides the electrical apparatus release being used in chopper of a kind of novelty and chopper.
The electrical apparatus release being used in chopper according to embodiments of the present invention, including: electrical apparatus release body and installing rack, wherein electrical apparatus release body location on circuit breaker base is realized by installing rack.
Electrical apparatus release according to embodiments of the present invention can freely be removed on circuit breaker base and reinstall, without the miscellaneous part around electrical apparatus release of dismantling, very convenient.
Chopper according to embodiments of the present invention, including above-described electrical apparatus release.
In chopper according to embodiments of the present invention, it is possible to first by installing rack from dismounting circuit breaker base, can freely remove and reinstall electrical apparatus release body, without the miscellaneous part around electrical apparatus release of dismantling, very convenient.
Accompanying drawing explanation
The present invention can be more fully understood that below in conjunction with in the accompanying drawing description to the specific embodiment of the present invention, wherein:
Fig. 1 is the decomposition axis side view that the electrical apparatus release being used in chopper according to embodiments of the present invention is arranged on circuit breaker base;
Fig. 2 is the axis of no-feathering side view of the electrical apparatus release body shown in Fig. 1;
Fig. 3 is the structural front view of the electrical apparatus release body shown in Fig. 1;
Fig. 4 is the schematic diagram of an example of the circuit breaker base of the electrical apparatus release shown in installation diagram 1;
The schematic diagram of the contact arrangement that Fig. 5 is used on the circuit breaker base shown in Fig. 4;
Fig. 6 is the schematic diagram of another example of the circuit breaker base of the electrical apparatus release shown in installation diagram 1;
The schematic diagram of the contact arrangement that Fig. 7 is used on the circuit breaker base shown in Fig. 6.
Detailed description of the invention
Feature and the exemplary embodiment of various aspects of the invention are described more fully below.In the following detailed description, it is proposed that many details, in order to complete understanding of the present invention is provided.But, it will be apparent to those skilled in the art that the present invention can implement when some details in not needing these details.Below the description of embodiment is only used to by illustrating that the example of the present invention provides being better understood from the present invention.The present invention is never limited to any concrete configuration set forth below and algorithm, but covers any amendment, replacement and the improvement of element, parts and algorithm under the premise of without departing from the spirit of the present invention.In the the accompanying drawings and the following description, it does not have known structure and technology are shown, in order to avoid the present invention causes unnecessary obscuring.
One or more problems in view of the above, the present invention proposes the electrical apparatus release being used in chopper of a kind of novelty and includes the chopper of this electrical apparatus release.
Fig. 1 is the decomposition axis side view that the electrical apparatus release being used in chopper according to embodiments of the present invention is arranged on circuit breaker base.As it is shown in figure 1, electrical apparatus release 1 according to embodiments of the present invention includes electrical apparatus release body 10 and installing rack 20;The electrical apparatus release body 10 location on circuit breaker base 30 is realized by installing rack 20.
In certain embodiments, as it is shown in figure 1, installing rack 20 is provided with two root posts 201, the inner side of two root posts 201 is provided with groove 203;The both sides of electrical apparatus release body 10 are provided with external part 101;Snap connection by means of the external part 101 on the both sides of the groove 203 on two root posts 201 and electrical apparatus release body 10 between two root posts 201 and electrical apparatus release body 10;Two root posts 201 realize the electrical apparatus release body 10 location on circuit breaker base 30 by inserting in the electrical apparatus release mounting groove 301 arranged on circuit breaker base 30.In other words, two root posts 201 snap connection with two sides of electrical apparatus release body 10 respectively, and are detachably connected on circuit breaker base 30.
In certain embodiments, as it is shown in figure 1, installing rack 20 is additionally provided with tie-beam 202, the two ends of tie-beam 202 connect two root posts 201 respectively, to facilitate integral installation and the dismounting of installing rack.Such as, the two ends of tie-beam 202 can connect the top side of two root posts 201 respectively, to facilitate, installing rack is plugged.For another example, tie-beam 202 could be arranged to U-shaped tie-beam, and the plane at this U-shaped tie-beam place can be perpendicular to the plane at two root post 201 places, to step down for electrical apparatus release body 10 after installing rack 20 and electrical apparatus release body 10 are installed together.
Fig. 2 is the axis of no-feathering side view of the electrical apparatus release body shown in Fig. 1.As in figure 2 it is shown, electrical apparatus release body 10 is provided with connecting plate 102, connecting plate 103, the both sides of electrical apparatus release body are provided with external part 101.Fig. 3 is the structural front view of the electrical apparatus release body shown in Fig. 1.In conjunction with Fig. 1 to 3 it can be seen that external part 101 is symmetrically disposed in the both sides of electrical apparatus release body 10, by coordinating of the external part 101 of the groove 203 on installing rack 20 and electrical apparatus release body 10 both sides, it is possible to installing rack 20 and electrical apparatus release body 10 are combined.By two root posts 201 of installing rack 20 and coordinating of the electrical apparatus release mounting groove 301 on circuit breaker base 30, it is possible to electrical apparatus release body 10 is installed on circuit breaker base 30.Positioning on circuit breaker base 30 as it has been described above, installing rack 20 is electrical apparatus release body 10, the form that electrical apparatus release body 10 is bolted is fixed on circuit breaker base 30 by the connecting plate 102 and 103 of electrical apparatus release body 10.Here, owing to the electrical apparatus release body 10 location on circuit breaker base 30 is realized by installing rack 20, if so to change electrical apparatus release body 10, first installing rack 20 can be extracted from the electrical apparatus release mounting groove 301 circuit breaker base 30, because the overall width of electrical apparatus release body 10 and both sides external part 101 thereof is less than the width of the cavity (locally) of circuit breaker base 30, electrical apparatus release body 10 can first move horizontally the interference part getting out of the way surrounding in the cavity of circuit breaker base 30, freely to remove and to reinstall, without the miscellaneous part around electrical apparatus release of dismantling, very convenient.Further, electrical apparatus release body 10 is fixed on circuit breaker base 30 by installing rack 20, the installation accuracy of electrical apparatus release can also be improved, meet the requirement that electrical apparatus release coordinates with the stroke of the draw bar of chopper, such that it is able to improve action stability and the precision of electrical apparatus release.
Fig. 4 is the schematic diagram of an example 30a of the circuit breaker base of the electrical apparatus release shown in installation diagram 1.301a shown in Fig. 4 is the electrical apparatus release mounting groove of circuit breaker base 30a.
The schematic diagram of the contact arrangement that Fig. 5 is used on the circuit breaker base shown in Fig. 4.As shown in Figure 5, in circuit breaker base 30a except being provided with 1 one pole static contact 401a, 1 duplex static contact 402a and 3 groups of moving contact 403a, also it is additionally provided with the connecting plate 13a with these three groups of contact parallel arranged, so can realize the three-pole breaker of outlet under upper incoming line and use same cage (pole is removed in the rotating shaft that the rotating shaft of three-pole breaker is four-pole circuit breaker) with four-pole circuit breaker.
In Figure 5, a1, a7 are enterprising line end, and a2, a8 are lower wire end;Enterprising line end a1, a7 connect power supply, and lower wire end a2 and a8 connects load.When adopting the chopper of the contact arrangement shown in Fig. 5 in an ON state, current direction is a1 → a2 → a8 → a7, it may be assumed that electric current flows into from enterprising line end a1, through static contact 401a, moving contact 403a, electrical apparatus release 1 to lower wire end a2;Electric current flows lower wire end a8 via the load being connected between lower wire end a2 and a8 from lower wire end a2;Electric current flows into from lower wire end a8, is connected plate 14a, electrical apparatus release 1, moving contact 403a, duplex static contact 402a, the supreme end of incoming cables a7 of moving contact 403a, connecting plate 13a.When adopting the chopper of the contact arrangement shown in Fig. 5 in an ON state, current direction can also be a7 → a8 → a2 → a1, namely contrary with above-mentioned current path current path.That is, when adopting the chopper of the contact arrangement shown in Fig. 5 in an ON state, above-described connecting plate, moving contact, static contact and electrical apparatus release form the current path (that is, forming, with the load of external connection, the current loop connected) being serially connected.
Fig. 6 is the schematic diagram of another example 30b of the circuit breaker base of the electrical apparatus release shown in installation diagram 1.301b shown in Fig. 6 is the electrical apparatus release mounting groove being circuit breaker base 30b.
The schematic diagram of the contact arrangement that Fig. 7 is used on the circuit breaker base shown in Fig. 6.As shown in Figure 7, in circuit breaker base 30b except being provided with 3 groups of moving contact 403b and 2 duplex static contact 402b, also it is additionally provided with the connecting plate 13b with these three groups of moving contact parallel arranged, so can realize the three-pole breaker of outlet under lower inlet wire and use same cage (pole is removed in the rotating shaft that the rotating shaft of this three-pole breaker is four-pole circuit breaker) with four-pole circuit breaker.
In the figure 7, b2 and b1 is lower end of incoming cables, and b4 and b6 is lower wire end;Lower end of incoming cables b2b1 connects power supply, and lower wire end b4 and b6 connects load.When adopting the chopper of the contact arrangement shown in Fig. 7 in an ON state, current direction is b2 → b4 → b6 → b1, it may be assumed that electric current flows into from lower end of incoming cables b2, through electrical apparatus release 1, moving contact 403b, duplex static contact 402b, moving contact 403b to lower wire end b4;Electric current flows lower wire end b6 via the load being connected between lower wire end b4 and b6 from lower wire end b4;Electric current flows into from lower wire end b6, through electrical apparatus release 1, moving contact 403b, duplex static contact 402b, connecting plate 13b to lower wire end b1.When adopting the chopper of the contact arrangement shown in Fig. 7 in an ON state, current direction can also be b1 → b6 → b4 → b2, namely contrary with above-mentioned current path current path.
In the figure 7, connecting plate 13b can be processed into an one-piece parts with corresponding duplex static contact.During physical cabling, according to field condition unrestricted choice pass in and out line end, it is possible to using b4, b6 as end of incoming cables, can using b2, b1 as end of incoming cables, can using b2, b6 as end of incoming cables, it is also possible to using b4, b1 as end of incoming cables.But, because end of incoming cables there may be arc light, cause short circuit, in order to avoid this situation, end of incoming cables each other will be away from, it will usually using b2 and b1 as end of incoming cables, b4 and b6 is as leading-out terminal.That is, when adopting the chopper of the contact arrangement shown in Fig. 7 in an ON state, above-described connecting plate, moving contact, static contact and electrical apparatus release form the current path (that is, forming, with the load of external connection, the current loop connected) being serially connected.
Three-pole breaker shares a cage with four-pole circuit breaker, has more structural member, for instance lid can be general.The general of circuit breaker base is capable of for the three-pole breaker of outlet under upper incoming line and corresponding four-pole circuit breaker, the three-pole breaker of outlet under lower inlet wire and corresponding four-pole circuit breaker also are able to realize the general of circuit breaker base, it is very beneficial for standardized production, is substantially reduced production cost and management cost.The quadrupole dc circuit breaker of same pedestal compared with three-pole breaker suitable in the occasion that voltage is higher.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to the structure of above-described embodiment.On the contrary, the present invention contains any replacement made in the spirit and scope of the present invention, amendment, equivalent method and scheme being defined by the claims.Further, in order to make the public that the present invention to be had a better understanding, in below the details of the present invention being described, detailed describe some specific detail sections.The description not having these detail sections for a person skilled in the art can also understand the present invention completely.
Claims (7)
1. it is used in the electrical apparatus release in chopper, including:
Electrical apparatus release body;And
Installing rack, wherein
Described electrical apparatus release body location on circuit breaker base is realized by described installing rack.
2. electrical apparatus release as claimed in claim 1, wherein, described installing rack includes:
Two root posts, snap connection with two sides of described electrical apparatus release body respectively, and are detachably connected on described circuit breaker base.
3. electrical apparatus release as claimed in claim 2, wherein, described installing rack also includes:
Tie-beam, the two ends of this tie-beam connect described two root posts respectively.
4. electrical apparatus release as claimed in claim 3, wherein, the two ends of described tie-beam connect the top side of described two root posts respectively.
5. the electrical apparatus release as described in claim 3 or 4, wherein, described tie-beam is U-girder.
6. a chopper, including the electrical apparatus release according to any one of claim 1 to 5.
7. chopper as claimed in claim 6, also includes:
Organize contact more;And
With the described connecting plates organizing contact parallel arranged more, wherein:
Described chopper in an ON state time, described connecting plate, described organize contact and described electrical apparatus release forms the current path being serially connected more.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610224061.5A CN105762032B (en) | 2016-04-08 | 2016-04-08 | Buckle releaser and breaker in breaker |
Applications Claiming Priority (1)
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CN201610224061.5A CN105762032B (en) | 2016-04-08 | 2016-04-08 | Buckle releaser and breaker in breaker |
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Publication Number | Publication Date |
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CN105762032A true CN105762032A (en) | 2016-07-13 |
CN105762032B CN105762032B (en) | 2018-05-01 |
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CN201610224061.5A Active CN105762032B (en) | 2016-04-08 | 2016-04-08 | Buckle releaser and breaker in breaker |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2903642B2 (en) * | 1989-09-07 | 1999-06-07 | 富士電機株式会社 | Circuit breaker |
CN100511525C (en) * | 2003-10-16 | 2009-07-08 | 默勒有限公司 | Arrangement used to fix conductor rails for multi-phase switchgears |
CN201725747U (en) * | 2010-07-16 | 2011-01-26 | 厦门宏美电子有限公司 | Breaker with pluggable support structure |
CN206059313U (en) * | 2016-04-08 | 2017-03-29 | 首瑞(天津)电气设备有限公司 | Electrical apparatus release and chopper in chopper |
-
2016
- 2016-04-08 CN CN201610224061.5A patent/CN105762032B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2903642B2 (en) * | 1989-09-07 | 1999-06-07 | 富士電機株式会社 | Circuit breaker |
CN100511525C (en) * | 2003-10-16 | 2009-07-08 | 默勒有限公司 | Arrangement used to fix conductor rails for multi-phase switchgears |
CN201725747U (en) * | 2010-07-16 | 2011-01-26 | 厦门宏美电子有限公司 | Breaker with pluggable support structure |
CN206059313U (en) * | 2016-04-08 | 2017-03-29 | 首瑞(天津)电气设备有限公司 | Electrical apparatus release and chopper in chopper |
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CN105762032B (en) | 2018-05-01 |
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