CN201222464Y

CN201222464Y - Novel circuit breaker

Info

Publication number: CN201222464Y
Application number: CNU2008200672653U
Authority: CN
Inventors: 万家盛; 汪志强
Original assignee: Hubei Shengjia Wiring Co Ltd
Current assignee: Hubei Shengjia Wiring Co Ltd
Priority date: 2008-05-20
Filing date: 2008-05-20
Publication date: 2009-04-15
Anticipated expiration: 2018-05-20

Abstract

The utility model relates to a novel breaker, which comprises an actuating mechanism, wherein the actuating mechanism comprises a handle with an operating end which is arranged outside a box and is used to control the connection and disconnection of circuits, a movable contact spring whose terminal end is provided with a movable contact, a linkage control block group whose one end is connected with the handle and the other end is connected with the front end of the movable contact spring, and a static contact which is connected with a phase wire input end. The novel breaker also comprises the box which contains each part inside, wherein a window or a transparent part is arranged on the box and is corresponding to the contact position of the movable contact and the static contact, a phase wire interface unit comprises a phase wire switch-in end and a phase wire output end which are used to switch into a power line, the phase wire switch-in end and the phase wire output end are respectively arranged on two sides of the box, and fluorescent coatings are arranged on the static contact and the movable contact.

Description

Novel breaker

Technical field

The utility model relates to a kind of circuit breaker, a kind of circuit breaker that can see dynamic and static contact position relation in the break-make situation clearly particularly.

Background technology

Switch switchgear for power department; it is Electrical Safety; circuit switches imperative equipment; usually can be communicated with exactly or open circuit for its mission of circuit breaker; as long as there is an actuating mechanism just can realize in general sense for this reason; but angle from safety; existing circuit breaker has also increased some non-essential accessory structures; as an arc-extinguishing mechanism; one overcurrent protection machine; its internal structure of existing circuit breaker sees also shown in Figure 1 so; it comprises: a box body 001; adopt the insulation fire proofing to make, portion is provided with following structure within it:

An one live wire incoming end 032 and a live wire output 037 are in order to be linked in the power line subscribers feeder; One actuating mechanism, it comprises: one handle 021, it has an operating side and is arranged at outside the described box body 001, carries out the break-make control of circuit; One movable contact spring 024, its end have a moving contact 025; One interlock controll block group 022, it is made up of a plurality of STATEMENT OF FEDERALLY SPONSORED, rotate by the axle that is arranged in the described box body 001, an end of its STATEMENT OF FEDERALLY SPONSORED that goes up most 0221 is connected with described handle 021, and the end of bottom STATEMENT OF FEDERALLY SPONSORED 0222 is connected with the front end of described movable contact spring 023; One static contact 026 comprises a fixed contact 031, it is connected with described live wire input 032, when the described interlock controll block group 022 of turn handle 021 pulling, thereby cause seesawing of movable contact spring 024, the contact that realizes moving contact 025 and fixed contact 031 with separate, finally reach the purpose of subscriber's line break-make.It also comprises: an arc-extinguishing mechanism; an one overcurrent protection mechanism and a circuit board 036; described arc-extinguishing mechanism is in order to eliminate the destruction of electric arc to circuit breaker; it comprises that a metal is when an arc plate 034 and an arc-extinguish chamber 035; described metal arc extinguishing board 033 is connected with described fixed contact 031 and extends to described box body 001 bottom; described arc-extinguish chamber 035 is corresponding with described fixed contact 031; described overcurrent protection mechanism is a magnetictrip 051; be arranged at described actuating mechanism bottom; the one end is connected with described movable contact spring upper end 023; its other end is connected with an end of a STATEMENT OF FEDERALLY SPONSORED 052; the other end of described STATEMENT OF FEDERALLY SPONSORED 052 is connected with described interlock controll block group 022; when overcurrent appears in the power line subscribers feeder; make described moving; fixed contact separately disconnects load and subscribers feeder.But still there is following defective in existing circuit breaker:

At first, through long-term use, cause between the inside moving contact of circuit breaker and the fixed contact and produced glutinous company, even just circuit breaker is from being in off-state in form, but it in fact still is in closure state, has so just had great potential safety hazard;

Secondly, management of power use department requires in the middle of the process of using circuit breaker, can see tangible cut-off point clearly, in order to guarantee general electric consumer's Electrical Safety, they adopt the mode that circuit breaker and knife switch are in series for this reason, and expectation realizes guaranteeing the effect of obvious cut-off point by the on-off action of knife switch, but the problem of bringing like this is, whole tripper cost has improved, and volume has also become greatly;

Once more, when powering-off state took place, the user can't judge that circuit has problem, also can break down by circuit breaker, blindly repaired and brought hidden danger to safety;

At last, if circuit breaker failure has taken place, owing to do not have faulty indication, thus cause the electric consumer not know failure cause, just can't in time fix a breakdown, caused hidden danger so just for normal safety utilization of electric power.

In view of above-mentioned defective, the utility model creator has obtained this creation finally through long term studies and test.

Summary of the invention

The purpose of this utility model is, a kind of novel breaker is provided, in order to overcome above-mentioned defective.

For achieving the above object, the technical scheme of employing of the present utility model is, a kind of novel breaker is provided, it comprises: a box body, described box body inside is provided with: an actuating mechanism, described actuating mechanism comprises: one handle, and it has an operating side and is arranged at outside the described box body, carries out the break-make control of circuit; One movable contact spring, its end has a moving contact; One interlock controll block group, the one end is connected with described handle, and the other end is connected with the front end of described movable contact spring; One fixed contact, it is connected with described phase line input; Wherein, also comprise:

Described box body is provided with window or hyalomere; And corresponding with the contact position of described moving contact and fixed contact,

One phase line interface unit, it comprises: a phase line incoming end and a line output terminal mutually, in order to be linked in the power line;

Described phase line incoming end and line output terminal mutually are separately positioned on the both sides of described box body;

Described fixed contact and moving contact are provided with fluoresent coating.

Preferable, also comprise:

One zero line incoming end;

One power-switching circuit, its output with described zero line incoming end and phase line incoming end and/or phase line links to each other, and it carries out transformation with power voltage line handles, in order to illuminating power to be provided;

Preferable, also comprise:

One stand-by power supply;

One charging circuit, it is connected with the output of described power-switching circuit, and to described stand-by power supply power supply;

One detecting commutation circuit, whether it has voltage output in order to detect described power-switching circuit, and when described power-switching circuit unregulated power was exported, starting described stand-by power supply provided illuminating power;

Preferable, described illumination indicating circuit comprises:

One lighting circuit, it has an illuminating lamp and is arranged in the described box body, and is corresponding with the position of described fixed contact, when described handle is in open position, makes described illumination lamp ignition;

Preferable, described lighting circuit also comprises: a delay circuit is in order to limit the lighting hours of described illuminating lamp;

Preferable, also comprise: an alarm lamp lighting circuit, it comprises a touch-switch of an alarm lamp and series connection with it, it is arranged at described alarm lamp on the described box body, when described handle is in the open circuit position, described touch-switch is closed, and when subscribers feeder did not disconnect, described alarm lamp was reported to the police;

Preferable, also comprise: one second indicator light circuit, it comprises one second indicator light, and it is connected with described phase line incoming end and zero line, and for power failure the time, described second indicator light is bright;

Preferable, described box body integral body is made by the transparent insulation fire proofing;

Preferable, described box body top and corresponding position, described fixed contact position are to be made by the transparent insulation fire proofing;

Preferable; also comprise: an overcurrent protection mechanism; it is a magnetictrip; be arranged at described actuating mechanism bottom, the one end is connected with described movable contact spring, and its other end is connected with an end of a STATEMENT OF FEDERALLY SPONSORED; the other end of described STATEMENT OF FEDERALLY SPONSORED is connected with described interlock controll block; when overcurrent appears in power line, make described sound contact separately, subscribers feeder disconnects.

The beneficial effects of the utility model are compared with the prior art, at first, have overcome between the inside moving contact of circuit breaker and the fixed contact and have produced the potential safety hazard that glutinous company causes;

Secondly, satisfied management of power use department and required can see tangible cut-off point clearly in the middle of the process of using circuit breaker, in order to guarantee general electric consumer's aim of safe power utilization, whole tripper cost has reduced, and volume has also diminished;

Once more, when powering-off state took place, the user can judge that circuit has problem, also can break down by circuit breaker, repaired for safety and offered convenience;

At last, because increased faulty indication, when circuit breaker failure had taken place, the user knew failure cause, and can in time fix a breakdown, and guarantee was provided so just for normal safety utilization of electric power.

Description of drawings

Fig. 1 is the cut-away view of prior art circuit breaker;

Fig. 2 is the cut-away view of the embodiment one of a kind of novel breaker of the utility model;

Fig. 3 is the cut-away view of the embodiment two of a kind of novel breaker of the utility model;

Fig. 4 is the cut-away view of the embodiment three of a kind of novel breaker of the utility model;

Fig. 5 is the electrical block diagram one of the embodiment three of a kind of novel breaker of the utility model;

Fig. 6 is the electrical block diagram two of the embodiment three of a kind of novel breaker of the utility model.

Embodiment

In the middle of this specification and claim, used some vocabulary to censure specific assembly, and the person with usual knowledge in their respective areas should understand, hardware manufacturer may be called same assembly with different nouns, this specification and claim not with the difference of title as the mode of distinguishing assembly, but with the criterion of the difference of assembly on function as differentiation, be an open term mentioned " comprising " in the middle of specification and claims in the whole text, so should be construed to " include but be not limited to ", in addition, " connection " speech is to comprise any direct and indirect means that are electrically connected at this, therefore, if describing one first device in the literary composition is connected with one second device, then represent described first device can directly be electrically connected, or be electrically connected to described second device indirectly by other device or connection means at described second device.

The position devices that have many group indicator light position (or illuminating lamp), the window's position and some circuit structures in the utility model on the structure of inside, its position in accompanying drawing or specification, only be an embodiment, for other conversion equivalent way, those of ordinary skills are the conversion that can make many equivalences behind the utility model having read.For only adopting described actuating mechanism, a phase line interface unit, it comprises: a phase line incoming end and a line output terminal mutually, in order to be linked in the power line; One box body; it is arranged at each above-mentioned part in the described box body; can see the position relation of sound contact clearly by window on the box body or transparent material user; this this specification of technical scheme is not concrete to launch; but in order to satisfy existing security needs to a certain extent; some non-essential accessory structures have been increased, as arc-extinguishing mechanism and overcurrent protection machine.Then, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned below in conjunction with accompanying drawing.

See also shown in Figure 2ly, it is the cut-away view of the embodiment one of a kind of novel breaker of the utility model; It comprises: a box body, and adopt the insulation fire proofing to make, portion is provided with following structure within it:

One zero line incoming end 044 is in order to insert zero line 041; One phase line interface unit, it comprises: a phase line incoming end 032 and a line output terminal 037 mutually, in order to be linked in the power line; One actuating mechanism, it comprises: one handle 021, it has an operating side and is arranged at outside the described box body 001, carries out the break-make control of circuit; One movable contact spring 024, its end have a moving contact 025; One interlock controll block group 022, it is made up of a plurality of STATEMENT OF FEDERALLY SPONSORED, rotate by the axle that is arranged in the described box body 001, an end of its STATEMENT OF FEDERALLY SPONSORED that goes up most 0221 is connected with described handle 021, and the end of bottom STATEMENT OF FEDERALLY SPONSORED 0222 is connected with the front end of described movable contact spring 024; One static contact 026 comprises a fixed contact 031, it is connected with described phase line input 032, when the described interlock controll block group 022 of turn handle 021 pulling, thereby cause seesawing of movable contact spring 024, realization moving contact 025 contacts with fixed contact 031 and separates, and finally reaches the purpose of subscribers feeder break-make.

Protect for Electrical Safety and to circuit breaker itself; also comprise: an arc-extinguishing mechanism and an overcurrent protection mechanism; described arc-extinguishing mechanism is in order to eliminate the destruction of electric arc to circuit breaker; it comprises a metal retaining arc plate 033 and an arc-extinguish chamber 035; described metal retaining arc plate 033 is connected with described fixed contact 031 and extends to described box body 001 bottom, and described arc-extinguish chamber 035 is corresponding with described fixed contact 031.Described overcurrent protection mechanism is a magnetictrip 051; be arranged at described actuating mechanism bottom; the one end is connected with described movable contact spring 024; its other end is connected with an end of a STATEMENT OF FEDERALLY SPONSORED 052; the other end of described STATEMENT OF FEDERALLY SPONSORED 052 is connected with described interlock controll block group 022; when overcurrent appears in power line, make described dynamic and static contact separately, subscribers feeder is disconnected.But the utility model embodiment one it is emphasized that described box body whole for transparent or box body top and corresponding position, described fixed contact position be by transparent making, perhaps on described box body, offer window, purpose is exactly to be to see whether having tangible contact and separating except that dynamic and static contact clearly, judge circuit breaker be disconnected be to close, have conspicuousness in order to make this observation; A kind of novel breaker of the utility model specially is provided with fluoresent coating 07 on movable contact spring 024 and static contact 026, position for further clear and definite sound contact, increased an illuminating lamp 061, when described handle 021 places open position, described illuminating lamp 061 is lighted, and project on the described fluoresent coating 07, that observes like this is clearer, for energy savings, we have been provided with delay circuit, after described illumination 07 was bright, delay circuit can make described illuminating lamp extinguish behind certain hour automatically; If described handle can't be threaded to open position and just illustrate also that naturally adhesion has taken place in the inner sound of box body contact certainly, clearly be to need to have changed circuit breaker, it is emphasized that described illuminating lamp is not necessary, for the position relation of just seeing dynamic and static contact clearly.

See also shown in Figure 3ly, it is the cut-away view of the embodiment two of a kind of novel breaker of the utility model; The difference of itself and the foregoing description is, also comprise an alarm lamp lighting circuit, it has a touch-switch 064 of an alarm lamp 062 and series connection with it, it is arranged at described alarm lamp 062 on the described box body 001, when described handle 021 is in the open circuit position, described touch-switch 064 is closed, and when subscribers feeder did not disconnect, described alarm lamp 062 was reported to the police;

If the operating voltage of the alarm lamp 062 that adopts is lower than power voltage line, then the utility model also needs a power-switching circuit, its output 037 with described zero line incoming end 044 and phase line incoming end 032 or phase line links to each other, it carries out transformation with power voltage line and handles, in order to illuminating power to be provided, when if described power-switching circuit breaks down, then alarm lamp 062 can't be worked, and therefore needs a stand-by power supply; Described stand-by power supply is a rechargeable battery, and it is connected with the output of described power-switching circuit by a charging circuit, and to described stand-by power supply power supply; Also comprise a detecting commutation circuit, whether it has voltage output in order to detect described power-switching circuit, and when described power-switching circuit did not have electric weight output, starting described stand-by power supply provided illuminating power.Like this when fault that can't disconnect has appearred in described circuit breaker, alarm lamp just can, report to the police at once, be to well known to a person skilled in the art technology for the design of these circuit, and be not emphasis, therefore just repeated no more here.

Fig. 4 is the cut-away view of the embodiment three of a kind of novel breaker of the utility model; The difference of itself and described embodiment two is, in the present embodiment, comprise a power line indicator light 063 again, just when power line has electric current to flow through, it informs that the present power line of user is in electricity condition is arranged, finding power cut problem when electricity consumer is, observes described power line indicator light 063, just can judge that having a power failure still is that fault has taken place circuit breaker.

Need to prove, above three kinds of embodiment added a kind of new safety measure respectively, these three technical safety measuress, any two kinds or any one can become a kind of outstanding technical characterictic of novel breaker product, and those skilled in the art can make corresponding multiple equivalent product according to above-mentioned disclosed technical characterictic.

See also shown in Figure 5, it is the electrical block diagram one of the embodiment three of a kind of novel breaker of the utility model, it is (to have only an actuating mechanism at monolithic, be responsible for the break-make of a phase line) describe, wherein, LED3 is that illuminating lamp is convenient to see clearly moving, the connection situation of fixed contact, LED1 is the power line indicator light that whether has electric current to flow through in order in the indication power line, that is to say no matter whether circuit breaker breaks down, all can be bright as long as have electric current to flow through LED1 in the power line, LED2 is the fault indicator light, its course of work is, K switch 1 disconnection (handle is in open position) when circuit breaker, then normal open switch K1-1 closes, and this moment, then illuminating lamp LED3 did not work if do not cut off phase line electric power, this moment, trouble lamp LED2 was bright, was in malfunction now in order to indicate; When described circuit breaker cut-off capacity normal, then the K switch 1 when circuit breaker disconnects (handle is in open position), and then normal open switch K1-1 closes, and this moment is if cut off phase line electric power, then illuminating lamp LED3 is bright, just can see the off-state of dynamic and static contact for the user clearly.

See also shown in Figure 6, it is the electrical block diagram two of the embodiment three of a kind of novel breaker of the utility model, it is (two actuating mechanisms to be arranged at two, the break-make of a responsible phase line and a zero line) delay circuit and rectification circuit have wherein been added, when K switch 1, the K2 of circuit breaker disconnect (handle is in open position), then normal open switch K1-1, K2-1 close, if this moment, subscribers feeder was not cut off that then trouble lamp LED2 is bright, when described circuit breaker cut-off capacity just often, then trouble lamp LED2 does not work.

No matter whether described circuit breaker cut-off capacity is normal, K switch 1 when circuit breaker, K2 disconnects (handle is in open position), normal open switch K1-1 then, K2-1 closes, illuminating lamp LED3 can be bright, observe moving in order to be convenient to the user, the state of fixed contact, the positive plate of the capacitor C 1 in the delay circuit wherein obtains positive voltage from the positive pole of described rectification circuit D1-D4, thereby the base voltage of triode Q1 is raise, when having accumulated a period of time, when reaching conducting state, triode Q2 will be in by state, and then illuminating lamp LED3 opens circuit and extinguishes, thereby has reached purpose of power saving.

The above only is preferred embodiment of the present utility model, only is illustrative for the utility model, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that the utility model claim is limited, revise, even equivalence, but all will fall in the protection range of the present utility model.

Claims

1, a kind of novel breaker, it comprises: a box body, described box body inside comprises: an actuating mechanism, described actuating mechanism comprises: one handle, it has an operating side and is arranged at outside the described box body, carries out the break-make control of circuit; One movable contact spring, its end has a moving contact; One interlock controll block group, the one end is connected with described handle, and the other end is connected with the front end of described movable contact spring; One fixed contact, it is connected with described phase line input; It is characterized in that, also comprise:

2, novel breaker according to claim 1 is characterized in that, also comprises:

One zero line incoming end;

One power-switching circuit, it links to each other with one of output of described zero line incoming end and phase line incoming end or phase line, and it carries out transformation with power voltage line handles, in order to illuminating power to be provided.

3, novel breaker according to claim 2 is characterized in that, also comprises:

One stand-by power supply;

One detecting commutation circuit, it is connected with described power-switching circuit and described stand-by power supply respectively, carries out the switching of power supply circuits.

4, novel breaker according to claim 1 is characterized in that, also comprises: an illumination indicating circuit, and it comprises:

One lighting circuit, it has an illuminating lamp and is arranged in the described box body, and is corresponding with the position of described fixed contact, when described handle is in open position, makes described illumination lamp ignition.

5, novel breaker according to claim 4 is characterized in that, described lighting circuit also comprises: a delay circuit is in order to limit the lighting hours of described illuminating lamp.

6, novel breaker according to claim 5, it is characterized in that, also comprise: an alarm lamp lighting circuit, it comprises a touch-switch of an alarm lamp and series connection with it, it is arranged at described alarm lamp on the described box body, and when described handle was in the open circuit position, described touch-switch was closed, when subscribers feeder did not disconnect, described alarm lamp was reported to the police.

7, novel breaker according to claim 6 is characterized in that, also comprises: one second indicator light circuit, and it comprises one second indicator light, and it is connected with described phase line incoming end and zero line, and for power failure the time, described second indicator light is bright.

According to claim 1,2,4 or 6 described novel breakers, it is characterized in that 8, described box body integral body is made by the transparent insulation fire proofing.

According to claim 1,2,4 or 6 described novel breakers, it is characterized in that 9, described box body top and corresponding position, described fixed contact position are to be made by the transparent insulation fire proofing.

10, novel breaker according to claim 1; it is characterized in that; also comprise: an overcurrent protection mechanism, it is a magnetictrip, is arranged at described actuating mechanism bottom; the one end is connected with described movable contact spring; its other end is connected with an end of a STATEMENT OF FEDERALLY SPONSORED, and the other end of described STATEMENT OF FEDERALLY SPONSORED is connected with described interlock controll block, when overcurrent appears in power line; make described sound contact separately, subscribers feeder disconnects.