CN101345163B

CN101345163B - Frame used for breaker

Info

Publication number: CN101345163B
Application number: CN2008101335257A
Authority: CN
Inventors: 梁承必
Original assignee: LS Industrial Systems Co Ltd
Current assignee: LS Electric Co Ltd
Priority date: 2008-07-11
Filing date: 2008-07-11
Publication date: 2011-08-17
Anticipated expiration: 2028-07-11
Also published as: CN101345163A

Abstract

The invention discloses a frame used for a circuit breaker, comprising a plurality of unit frames which are provided with a plurality of internal spaces, and a linkage unit which is combined between the two adjacent unit frames in the unit frames and leads the two unit frames to be connected with each other, thus reducing the manufacture cost, being easy for manufacture and reducing the manufacture time.

Description

The frame that is used for circuit breaker

Technical field

The present invention relates to a kind of circuit breaker, relate in particular to a kind of frame that is used for circuit breaker, it can reduce manufacturing cost, and is easy to produce and reduce manufacturing time.

Background technology

Generally speaking; circuit breaker is connected in the mobile circuit of electric current; circuit breaker makes electric current flow in circuit under normal situation, and protects the circuit of electrical power distribution system and device when the electric current that breaks down in the circuit (or abnormal electric current) by the disengagement failure electric current.

According to the size of guiding electric current (voltage), circuit breaker is divided into all kinds.

Fig. 1 is the cross-sectional view of exemplary circuit breaker, and Fig. 2 is the stereogram of the main stand of described circuit breaker.

With reference to accompanying drawing, circuit breaker can comprise the main stand 10 with a plurality of spaces of being arranged to a row, be incorporated into the bonnet 20 of a side of main stand 10, the a plurality of fixed contactor that combines with bonnet 20 (fixed contactor) 30, be incorporated into main stand 10 rotatably so that can be arranged on movable contactor (movable contactor) 40 in each space of main stand 10, be incorporated into main stand 10 and drive the operating mechanism 50 of movable contactor 40, and be incorporated into main stand 10 and hide the lid 60 of operating mechanism 50.

When bonnet 20 combined with main stand 10, the space of main stand 10 formed rear space 11, formed front space 61 between main stand 10 and the lid 60.

The electric arc that is used to consume when movable contactor 40 contacts or is produced when being separated in fixed contactor 30 exhaust each top that unit (exhaust unit) 70 is incorporated into rear space 11.

The outlet side fixed contact 32 of fixed contactor 30 is connected with a side of movable contactor 40, the inlet side fixed contact 31 of fixed contactor 30 by movable contactor 40 mobile connection or be located away from the opposite side of movable contactor 40.

Below will describe the operation of above-mentioned circuit breaker in detail.

Movable contactor 40 at first, under normal circumstances is connected with each inlet side fixed contact 31 of fixed contactor 30.Then, electric current is introduced by the inlet side fixed contact 31 of fixed contactor 30, and flows in the internal path of movable contactor 40.The electric current that flows in the internal path of movable contactor 40 flows to load device by the outlet side fixed contact 32 of fixed contactor 30.

If detect overcurrent or fault current, then operating mechanism 50 is operated by built-in function mechanism.When movable contactor 40 carried out the angle rotation owing to the motion of operating mechanism 50, the inlet side fixed contact of the armature contact of movable contactor 40 and fixed contactor 30 was separated, thereby cut off electric current.

When demand electric power increases, the needs of circuit breaker with high conduction electric current are also increased day by day.That is to say, need circuit breaker to have 4000A (ampere) to the interior conduction current of 6300A scope.In order to increase such conduction current, should enlarge the main stand 10 of circuit breaker.

The main stand 10 of circuit breaker is normally by the injection molding manufacturing.If it is big that the size of the main stand of circuit breaker 10 becomes, just need to make the mould and the injection molding machine of large-sized manufacturing main stand 10, thereby increased production cost.

As one of method that addresses these problems, a kind of method is that two undersized main stands 10 are combined, and it is had and large-sized main stand 10 identical functions and effect.

As the method that two undersized main stands 10 are combined, as shown in Figure 3, usable resins connects two undersized main stands 10.Yet this method needs the process of resin forming, and will spend a lot of time with hardening of resin, thereby has reduced productivity.In addition, two undersized main stands 10 connect together, and are difficult to when making the generation problem each assembly is separated.

Summary of the invention

Therefore, the purpose of this invention is to provide a kind of frame that is used for circuit breaker, it can reduce manufacturing cost and be easy to make and reduce manufacturing time.

Another object of the present invention provides a kind of separable frame that is used for circuit breaker.

In order to realize these and other advantages, according to purpose of the present invention, as embody herein and briefly describe, a kind of frame that is used for circuit breaker is provided, it comprises: a plurality of unit racks with a plurality of inner spaces; Be incorporated between two adjacent cells frames in the described unit rack and make this two interconnective linkage units of unit rack.

Described linkage unit can comprise the connector that is used to connect described two adjacent unit racks, combine and keep with described connector described two unit racks connection status fixture and be used for a plurality of bolts in conjunction with described connector and described fixture.

Be used for keeping being incorporated between described two unit racks of described unit rack of spacing of described two adjacent unit racks, and describedly combine by combining unit apart from keeper and described two unit racks apart from keeper.

Preferably, described unit rack is by the injection molding manufacturing.

Aforementioned and other purposes of the present invention, characteristics, aspect and advantage will become more obvious from the detailed description below in conjunction with accompanying drawing.

Description of drawings

In order to a part of the accompanying drawing of further understanding of the present invention being integrated with and constituted this specification to be provided, it illustrates embodiments of the invention, and explains principle of the present invention with specification.

In the accompanying drawings:

Fig. 1 is the cross-sectional view of the circuit breaker of correlation technique;

Fig. 2 is the stereogram that is used for the main stand of above-mentioned circuit breaker;

Fig. 3 is the stereogram of exemplary body frame that is used for the circuit breaker of correlation technique;

Fig. 4 is the exploded perspective view that is used for the frame of circuit breaker according to an embodiment of the invention.

Embodiment

Below describe the preferred embodiment that is used for the frame of circuit breaker of the present invention in detail, accompanying drawing has been explained some embodiment.

With reference to accompanying drawing, the frame that is used for circuit breaker according to an embodiment of the invention comprises a plurality of unit racks with a plurality of inner spaces, and is incorporated between two adjacent unit rack F1, F2 in the described unit rack and makes the interconnective linkage unit 100 of these two unit rack F1, F2.Preferably be set to two unit rack F1, F2.Also can be set to three or four unit racks.

Below will describe the situation that two unit racks are set in detail.In described two unit racks, one is called as " first module frame F1 ", and another is called as " the second unit rack F2 ".Preferably, the first and second unit rack F1, F2 are of similar shape.

For example, unit rack can comprise the preceding board A with certain area, and extend to have a plurality of middle board C of predetermined area on the surface of the side plate B that is formed by the bending two ends of preceding board A and the past board A.

Preferably, middle board C is arranged between the side plate B with identical distance, and forms and have area identical.

Form the inner space between the board C between side plate B and the middle board C and in the middle of two.

The first and second unit rack F1, F2 are configured such that the surface of its side plate can be in contact with one another.Linkage unit 100 is incorporated between the first and second unit rack F1, the F2, thereby the first and second unit rack F1, F2 are connected.

Linkage unit 100 can comprise and is used to connect two adjacent unit racks (promptly, the first and second unit rack F1, F2) connector 110, combine with connector 110 and keep the fixture 120 of the connection status of two unit rack F1, F2, and be used to coupling apparatus that connector 110 and fixture 120 are combined.Preferably, described coupling apparatus comprises a plurality of bolts 130.

The first insertion groove 210 and second inserts groove 310 and is formed at respectively on the surface that faces one another of the first and second unit rack F1, F2, that is the side plate B of the side plate B of first module frame F1 and the second unit rack F2 relative, with the side plate B of first module frame F1.Connector 110 is inserted into first and second and inserts groove 210,310, thereby the first and second unit rack F1, F2 are connected.

The connector 110 and the first and second insertion grooves 210,310 can form has different shape.

Insert an example of groove 210,310 as connector 110 and first and second, can form connector 110, thereby the straight-line groove 112 that respectively has the predetermined width and the degree of depth is formed at the both sides of the main part 111 with rectangular cross section and predetermined length, linearly shape and assembling groove 113 with predetermined width and degree of depth are formed at main part 111 rear surfaces, and a plurality of screwed hole 114 is formed on the upper surface of main part 111.

First inserts groove 210 is formed on the side plate B of first module frame F1, and described first inserts linearly shape and have the predetermined width and the degree of depth of groove 210.First projection 211 with predetermined width and height is formed at first and inserts between the two edges of groove 210, and second projection 212 is formed on one of edge of the first insertion groove 210.

First to insert the width of groove 210 identical with the width of the side surface of connector 110, and first projection 211 forms and can be fitted into straight-line groove 112, the second projectioies 212 and can inject assembling groove 113.

The shape that first of first module frame F1 inserts groove 210 forms that to insert the shape of groove 310 corresponding with second of the second unit rack F2.Second protruding 312 boths that first second projection 212 and second of inserting groove 210 is inserted groove 310 inject the assembling groove 113 of connector 110.

Fixture 120 can comprise having rectangular cross section and form main part 121 with predetermined length, be formed at the straight-line groove 122, through-body portion 121 of the both sides of main part 121 and a plurality of through holes 123 of forming and extend so that have the extension 124 of predetermined width and area from the upper surface of main part 121 respectively.

The straight-line groove 122 of fixture 120 and the straight-line groove 112 of connector 110 form and are of similar shape.When the upper surface of the lower surface of fixture 120 and connector 110 was in contact with one another, the through hole 123 of fixture 120 and the screwed hole 114 of connector 110 were aimed at mutually.

The stop surface T that is used for support fixation part 120 is formed at first respectively and inserts the groove 210 and second inside of inserting groove 310.Preferably, stop surface T is formed on second projection 212,312.

Below will describe the linkage unit 100 and the first and second unit rack F1, F2 structure combining in detail.

The surface of the side plate B of the first and second unit rack F1, F2 is in contact with one another.Herein, first of the first module frame F1 second insertion groove, 310 placements aligned with each other of inserting the groove 210 and the second unit rack F2.Then, connector 110 injects by first and second and inserts groove 210,310 formed spaces.Herein, first projection 211,311 of the first and second unit rack F1, F2 second projection 212,312 that injects straight-line groove 112, the first and second unit rack F1, the F2 of connector 110 respectively injects the assembling groove 113 of connector 110 respectively.

Fixture 120 injects by first and second and inserts groove 210,310 formed spaces.Herein, fixture 120 is formed on the first and second stop surface T that insert groove 210,310 inside and supports, thereby determines the assembling position of fixture 120.Bolt 130 is attached to the through hole 123 of fixture 120 and the screwed hole 114 of connector 110 respectively.

The first and second unit rack F1, F2 interconnect by linkage unit 100.

Keep the first and second unit rack F1, F2 spacing be incorporated into apart from keeper 400 that the surface of first module frame F1 and the second unit rack F2 is in contact with one another part between the side plate B of the side plate B of first module frame F1 and the second unit rack F2.Preferably, combine by combining unit with the first and second unit rack F1, F2 apart from keeper 400.

Preferably, apart between keeper 400 and the linkage unit 100 with predetermined being spaced apart.

The 3rd inserts groove 220 is formed on the side plate B of first module frame F1, and the side plate B that the 4th insertion groove 320 is formed at the second unit rack F2 upward and with the side plate B of first module frame F1 contacts.Then, inject by the third and fourth insertion groove, 220,320 formed spaces apart from keeper 400.

Inserting groove 220,320 apart from keeper 400 and third and fourth can form and have different shape.

For instance, can be provided with the both sides that are positioned at main part 401 and have the stop protrusion 402 of predetermined area and thickness apart from keeper 400.

The 3rd insertion groove 220 of first module frame F1 forms has certain degree of depth, and it comprises the stop surface 221 of the stop protrusion 402 that is used for stop distance keeper 400.

The 4th insertion groove 320 of the second unit rack F2 forms with the 3rd insertion groove 220 and is of similar shape.

Inject the 4th insertion groove 320 formed spaces of inserting the groove 220 and the second unit rack F2 by the 3rd of first module frame F1 apart from keeper 400.Herein, the stop protrusion 402 apart from keeper 400 is supported by third and fourth stop surface 221,321 that inserts groove 220,320 respectively.Stop protrusion 402 apart from keeper 400 is supported by stop surface 221,321, thereby determines the binding site apart from keeper 400.

Combine with the first and second unit rack F1, F2 by coupling apparatus 500 apart from keeper 400.

Preferably, coupling apparatus can comprise bolt and nut.

Through hole is formed at respectively apart from keeper 400 and the first and second unit rack F1, the F2, thereby bolt is injected through hole with penetrating and bolts and nuts are connected.Such through hole can be formed at top or the bottom apart from the keeper and first and second unit racks respectively.

Preferably, unit rack F1, F2 can pass through casting.

The bonnet of circuit breaker, lid, movable contactor etc. combine with above-mentioned frame with the first and second unit rack F1, F2 and linkage unit 100.

The present invention makes large-sized frame by a plurality of unit racks are connected, thereby does not need mfg. moulding die to make the large scale frame, has therefore reduced manufacturing cost.In addition, when unit rack was connected, the size of whole frame can be adjusted, thus convenient shelf design.

In addition, because unit rack is connected by linkage unit 100, simplifies and accelerated the connection procedure of unit rack, thereby reduced manufacturing time.In addition, unit rack and linkage unit 100 can interosculate or break away from, thereby are convenient to the replacing and the maintenance of parts.

Because the present invention can realize by the different form that does not depart from feature of the present invention, be understood that, unless otherwise prescribed, the foregoing description is not subjected to the restriction of above-mentioned any description details, and should be considered as widely in its claims restricted portion, therefore all fall into variation and modification in claim border and the scope, or fall into the variation that is equivalent in claim border and the scope and revise and all covered by claims.

Claims

1. frame that is used for circuit breaker, it comprises:

A plurality of unit racks with a plurality of inner spaces; And

Be incorporated between two adjacent unit racks in the described unit rack and make described two interconnective linkage units of unit rack,

Described linkage unit comprises:

Be used to connect the connector of described two adjacent unit racks;

Combine and keep the fixture of the connection status of described two unit racks with described connector;

Be used to coupling apparatus that described connector and described fixture are combined,

Be formed with first on the surface that faces one another of wherein said two unit racks respectively and insert the groove and the second insertion groove, insert on one of the edge that groove and described second inserts groove described first and to be formed with projection respectively, rear surface at the main part of described connector is formed with assembling groove, described connector injects the described first and second described projectioies of inserting groove and described first insertion groove and the described second insertion groove and all injects the described assembling groove of described connector, thereby connects described two unit racks.

2. the frame that is used for circuit breaker as claimed in claim 1, wherein said fixture inject the described first and second insertion grooves and combine with described connector.

3. the frame that is used for circuit breaker as claimed in claim 2, wherein said first inserts groove and described second inserts groove shaped and becomes and be of similar shape.

4. the frame that is used for circuit breaker as claimed in claim 2 is formed with the stop surface that is used to support described fixture respectively on the inner surface of wherein said first insertion groove and the described second insertion groove.

5. the frame that is used for circuit breaker as claimed in claim 1, be combined with between described two unit racks in the wherein said unit rack spacing that is used to keep described two adjacent unit racks apart from keeper, describedly combine by combining unit apart from keeper and described two unit racks.

6. the frame that is used for circuit breaker as claimed in claim 5, be formed with the 3rd on the surface that wherein said two unit racks face one another respectively and insert groove and the 4th insertion groove, describedly inject described third and fourth apart from keeper and insert groove, thereby keep the space between described two unit racks.

7. the frame that is used for circuit breaker as claimed in claim 6, the both sides of its middle distance keeper are formed with stop protrusion, are formed with the stop surface that is used to stop described stop protrusion respectively on the inner surface of the described third and fourth insertion groove.

8. the frame that is used for circuit breaker as claimed in claim 6, the wherein said the 3rd inserts groove and the described the 4th inserts groove shaped and becomes and be of similar shape.

9. the frame that is used for circuit breaker as claimed in claim 1, wherein said two unit racks are by the injection molding manufacturing.