CN1225745A - Modular automatic electric breaker with optimization of used spaces - Google Patents

Abstract

A modular automatic electric breaker with optimization of used spaces, which comprises a flat box-like body (1) which has, on its rear face, couplers (2) for coupling to an omega-shaped guide and, on its front face, a central protrusion (3) at which it is possible to access an actuation part. The particularity of the invention is constituted by the fact that it comprises an electrical protection part (10), a kinematic system for actuating a moving electrical contact, and a snuffer cell (12), which are mutually operatively interconnected and occupy no more than half of the internal volume formed by the box-like body.

Description

Optimize the combined automatic electric gas circuit breaker of usage space

The present invention relates to a combined automatic electric gas circuit breaker of optimizing usage space.

Well-known distribution board uses automatic circuit breaker, and assembly has the roughly shell of standard in all cases.

This assembly has a generally flat box-like body, and it has 18mm wide, and a mechanism is arranged rearward, is used for being connected with the rod of a Ω shape, and this rod is a canonical form according to the DIN standard.

There is a projecting part its front portion, and operating handle or lever are positioned at its place.

This box-shaped shell is used the automatic circuit breaker that holds a control one pole at present; therefore under protection two utmost points or more multipole situation, use a plurality of assemblies; or under any circumstance using box-like modules, its width is directly proportional with the number of assembly, from the size of every utmost point 18mm.

If there is different circuit breakers to be combined, can obtain the adjacent arrangement of other device, it can directly be made of one, and perhaps constitutes with assembly separately, and under any circumstance keeps the characteristics that every utmost point takies a cell width.

This configuration can throw into question in some cases, and this is because formed distribution board has sizable size, thereby needs a lot of installment works, simultaneously also because interconnecting of assembly can be very complicated.

Target of the present invention is to eliminate above-mentioned shortcoming.The further target of the present invention provides a combined automatic electric gas circuit breaker of optimizing usage space; it is under the situation of the box body that maintains a standard profile; inner space of using can be significantly reduced, thereby the overall size under the multipole protective device situation can be significantly reduced.

An object of the present invention is to provide an automatic electric breaker; wherein in fact the required yardstick of the coupling of each protective device is halved; further obtain the improvement of function; this is because used than conventional little dynamic cut-out system; because the weight that relates to has reduced; just might obtain responsiveness faster, thereby make the faster interruption of electric arc of generation.

A further purpose of the present invention provides an automatic electric breaker, its particularly suitable different situations, and the protection of magnetic heat or hot protection of introducing two utmost points under the normal width of assembly; Utilize the new construction design of automatic electric breaker, the space that other functional part is used also becomes possibility.

Further purpose of the present invention provides an automatic electric breaker, utilizes its special construction characteristics, and best dependability and fail safe can be provided.

These purposes, target and other all item will become clearer and more definite in the back, they are realized by a combined automatic electric gas circuit breaker, this circuit breaker has the optimization usage space, it has a flat box-like body, there is a mechanism to be used for being coupled with a Ω shape guiding in its rear surface, front surface at it has a umbo, in the above can be near a functional unit, it is characterized in that, comprise electrically contacting of at least one dynamical system control activity in box-like body, and at least one expulsion element, they are that mutual operation is inline and occupied the inner space that is formed by box body less than half.

Further characteristics and advantage, become very clear by description to an embodiment of the combined automatic electric gas circuit breaker of optimizing usage space, this embodiment is preferential but is not restrictive, is to describe with the indefiniteness example in the accompanying drawing, in these accompanying drawings:

Fig. 1 is a diagrammatic side view of electric circuit breaker, demonstrates by the occupied volume of the assembly of circuit breaker;

Fig. 2 is the schematic views of the mutual arrangement of breaker assembly;

Fig. 3 is an end view of circuit breaker, and for display module, the wall of box-like body is removed;

Fig. 4 is the front view of electric circuit breaker;

Fig. 5 is the top plan view of electric circuit breaker;

Fig. 6 is a perspective illustration removing the electric circuit breaker of sidewall;

Fig. 7 is the decomposition diagram of the dynamical system of control armature contact;

Fig. 8 is a view controlling being used to of being shown in an open position the dynamical system of armature contact;

Fig. 9 is a dynamical system view in the closed position that is used to control armature contact;

Figure 10 is a schematic diagram that is used to control the dynamical system of armature contact, and it is owing to the intervention of a protective device is released, and control assembly still is in off-position.

With reference to above-mentioned accompanying drawing, optimize the combined automatic electric gas circuit breaker of usage space, according to the present invention, a box-like body 1 is arranged, it has common standard shape, and the 18mm size forms a mechanism 2 in the rear surface, is used for being coupled with Ω shape guiding according to the DIN standard; This coupling mechanism itself can be a known type, does not therefore here describe in detail.

Box-like body 1 has one to give prominence to 3 at front surface, and control member or handle 4 are arranged at wherein; These parts or handle also have conventional setting.

Important characteristic of the present invention is according to following true formation; a new structure arrangement is provided; so that in box-shaped casing, hold electric protective device 10; the dynamical system that is used for manipulation activities electric contact 11; and expulsion element 12, occupied less than half thereby make by the formed internal volume of box-like body.

Such shown in signal among Fig. 1; in fact occupied volume is separated by the axis by control member; and by up or the space of lower end separate; thereby in the same assembly that forms by box-like body, can obtain all spaces; can be used for inserting an automatic circuit breaker and protect another utmost point; a neutral pole is provided, the differential protection of the protected utmost point is provided, perhaps insert the equipment that other may be essential.

In fact it is emphasized that provides an automatic electric breaker, and it has only occupied half space of the shared volume of conventional automatic circuit breaker, thereby has significantly reduced total measurement (volume), and the quantity of the assembly that GPF (General Protection False is provided is reduced by half.

In order to obtain this advantage, the mutual arrangement of different parts is very important, as illustrating among Fig. 2.

What pay particular attention to is; electic protection must be in the center to be given prominence to; at outstanding edge with pass in half that is provided between the by-level axle of functional unit run-on point, the expulsion element is arranged on the rear surface of box-like body simultaneously, and dynamical system is arranged between protection portion and the expulsion element.

Viewpoint from structure; as can being more clearly visible among Fig. 3; the protection of magnetic heat utilizes coil 20a and bimetal leaf 20b to provide; the expulsion element is made up of 12 parts 21 simultaneously; these parts have very high interrupt capabilities; their arrangement makes armature contact 30 in fact promote electric arc in these expulsion elements when operation, to quicken extinguishing of electric arc.

The embodiment of dependent power operation system also is that advantage is outstanding: it is made up of very compact part, interrupts speed faster thereby can have, and has tangible associated advantages.

Preferential but be not restrictive embodiment according to one, the dynamical system by reference number 11 representatives of control armature contact 30, constitute by a pole 41, this pole is connected in the recess 42 that forms on the device body 43 with manner, extends control member or wrench 4 from device body 43.

The arm 44 of a pole 41 and an active lever is coupled, and this active lever is usually with reference number 45 expression, and it is fixed in first rotating shaft that is connected to box-like body 1 at 46 places with rotary way.

The other arm 47 of active lever 45 is movably attached on a pair of link 50, and this is movably attached on the end 51 of a cross-member 52 other end that is connected them.

Slide in end 51 grooves 53 that can form on an engagement, levers 54, this engagement, levers is a U-shaped, and is fixed in second rotating shaft 56 with rotary way, and this rotating shaft firmly is connected on the box-like body.

Interact with the lever of locking projections 59 interlocks and the locking plate 60 of a control assembly 61, control assembly 61 is around one the 3rd rotating shaft, 62 swings, and rotate with an extension 63 in a zone down, so that with the interlock mutually of hot dialysis device, the magnetic obstacle is provided on the hook 66 simultaneously.

In the side of rotating shaft 62, control assembly 61 has a hook 66, and it and armature contact 30 interact.

Lamination 17 interlock mutually of the expansion thing of the slide core of a magnetic circuit breaker and armature contact 30 is opened so that provide faster.

Connecting portion 70 is arranged on the position opposite with hook 66, and interact with an activation lever 71, activation lever in use has the purpose of throwing off in conjunction with two circuit breakers, these two breaker arrangements are in same box body, and arrange symmetrically with respect to axis, and also control the assembly of a horizontal adjacent box body sometimes.

A groove interlock mutually that forms in the other end of cross-member 52 and spring guiding 76, this spring guiding utilizes the rotating shaft 78 of a riveted joint to rotate for armature contact 30, it and promoted by the contact stage clip of a usefulness 77 representatives.

In the operation of reality, from the open position shown in Fig. 6, utilize rotating-operation member 4, active lever 45 is swung along clockwise direction, bring link 50 to rotate accordingly, this link 50 utilizes and is positioned at the interaction that cooperates cross-member 52 ends 51 on the lever 54, causes the rotation of armature contact 30 to push, thereby cooperate the locking projection 59 of lever 54 to make it and locking plate 60 interlock mutually, maintain the off-position of contact.

Under self-detaching situation as shown in figure 10, the swing of control assembly 61 causes the rotation that cooperates lever 54, and it is no longer kept by joint 60, brings lifting of corresponding armature contact, and this contact is moved by a driving spring 68.

Certainly should be noted that functional unit 4 also changes the position; In Figure 10, these parts still are drawn in the position of closing.

From above description as can be seen; the present invention has reached needed purpose and target; and should be emphasized that especially; it provides a structure, can arrange magnetic and thermel protection device, the expulsion element; and the dynamical system of handling dialysis; in half of the base box body that is generally used for producing distribution board, arrange these devices, can produce highly effective and flexible and changeable system, have the advantage that very different solutions can be provided.

In fact; settle a neutral pole in the half space that can in box body, not use basically; one second guard electrode; the differential protection of the protection utmost point; only use a half space at Width actually; this is that an independent assembly can have the function that doubles because compare with the assembly of the existing commodity of routine.

So the invention of design can admit of many improvement and distortion, and all these is among the scope of the principle of the invention.

All details can further be replaced by other project that is equal to mutually technically.

Actually, employed material, as long as they adapt with concrete the application, and size and corresponding shape, can select arbitrarily as required.

Claims (8)

1. optimize the combined automatic electric gas circuit breaker of usage space; comprise a flat box-like body; there is one to be used for the equipment that is coupled with a Ω shape guiding in its posterior face; anterior face at it has a umbo; can be on this projection near a functional unit; it is characterized in that; in described box body, comprise at least one electic protection parts; at least one is used for the dynamical system of manipulation activities electric contact; and at least one expulsion element; these parts link to each other so that but mode of operation is inner mutually, and occupy the internal capacity that is formed by described box body less than half.

2. according to the automatic electric breaker of claim 1, it is characterized in that described half internal capacity is separated by the middle facial planes by described functional unit.

3. according to the automatic electric breaker of claim 1; it is characterized in that described electic protection is configured on the described umbo; the wall of described projection and described in the half lining that provided between the facial planes; facial planes is by the run-on point of described functional unit in described; described expulsion element is arranged at the back side of described box-like body, and described dependent power operation system is between described electic protection and described expulsion element.

4. according to the automatic electric breaker of claim 1, it is characterized in that described expulsion element is constituted with the assembly that has an armature contact by having good interrupt capabilities, the location of armature contact makes pushes electric arc to described expulsion element when it is opened.

5. according to the automatic electric breaker of claim 1, it is characterized in that the described dynamical system that is used to handle described armature contact comprises a pole, this pole is movably attached in the groove that forms on the parts body, functional unit extends out from this parts body, described pole is matched with the arm of an active lever, active lever can rotate for described box body, pole also utilizes another arm of a pair of connector and described lever to flexibly connect, this a pair of connector flexibly connects with the end of a cross-member again, and can in by a formed groove of cooperation lever, slide, this cooperates lever to rotate around second rotating shaft that is fixedly coupled on the described box-like body, described cooperation lever and a control assembly interact, this control assembly is around one the 3rd shaft swing, and an extension is arranged so that match with heat and magnetic disconnecting apparatus, described control assembly has a locked component, and one from described cooperation lever outstanding locking projections and its interaction.

6. according to the automatic electric breaker of claim 5, it is characterized in that the device that is used for magnetic and heat effect interacts on a uncinus of described control assembly, control assembly is arranged at the side of described the 3rd rotating shaft.

7. according to the automatic electric breaker of claim 1, it is characterized in that it comprises an inner connecting portion, this connecting portion and an activation lever interact, utilize two circuit breakers that interrupt being coupled in the same box body, these two circuit breakers are used to control the electric component of possible horizontal adjacent box-like body simultaneously for the symmetrical configuration of jack shaft.

8. according to the automatic electric breaker of claim 1, it is characterized in that it comprises two different electric components in same box body, they each occupies half of the space that formed by box body respectively.

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