CN107615430A

CN107615430A - The improvement of closed breaker

Info

Publication number: CN107615430A
Application number: CN201580080047.6A
Authority: CN
Inventors: W·N·曼苏尔
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-06
Filing date: 2015-08-06
Publication date: 2018-01-19
Also published as: WO2017020100A1; BR212018002148Y1; BR212018002148U2

Abstract

The improvement project of enclosed type electric circuit breaker, this breaker relates more specifically to low-voltage architectural electricity device in DIN the or NEMA types that are provided with monopole (D1) (be probably bipolar or three poles) type or differential (D2)/(D3) (differential residue) type, each breaker generally includes the body (10) of generally rectangular piece composition, body (10) front has region (R1) and (R2) for mounting screw (P), the screw (P) is used to mount and dismount the breaker (D1)/(D2)/(D3) on electrical panel (not shown)；The front of the breaker also includes the central area (R3) for accommodating actuator lever (11)；The region (R1) of each breaker (D1)/(D2)/(D3) and (R2) are equipped with supporting arrangement (12), the cover plate (13) at least one screw (P)；The supporting arrangement (12) includes the attachment (14) engaged with the relative axle (13a) of the end of plate (13), and the perforated member (15) through each eyelet (13b) being produced on the plate (13), the perforated member (15) can accommodate the tape (16a) of clamp type closure member (16).

Description

The improvement of closed breaker

Technical field

Patent of the present invention is related to DIN or NEMA type breakers, or changing together with differential circuit breaker/differential tripper Enter, more particularly, to Civil Electric Work device and other application, such as electrical panel, machine and equipment control.So change The breaker entered, either monopole, bipolar or three poles, are designed with to trip bolt and for cable and/or terminals now The protection of the connection of son, and outer enclosure, the purpose is to prevent unauthorized user, electrician or maintenance personal's intervention one The electric installation of individual or multiple breakers, the breaker are installed on electricity by manufacturer or authorized electrically installation personnel before this In the cabinet of source.

Background technology

From the terminal of electric power using angle in terms of, building low-voltage electrical installation represents the connection between power supply and terminal device. Technically the appropriately designed and use of compatible product must be by authorized and qualified personnel while the project of structure Implement, no matter project is house, one or more buildings, factory, other facilities or mechanism.

It is, DIN or NEMA breakers are the electromechanical assemblies as automatic switch work, it is intended to protect the electric of determination Device may damage from as caused by short circuit or electric discharge.Its basic function is, detects the electric current for exceeding appropriate amount in circuit Peak value, and the peak value is interrupted immediately before its influence causes protected electric device to be damaged.

Also there are differential circuit breaker or differential remaining breaker, they are the protection devices used in electric device, nothing By where leakage current more than rated value is detected, they can breaking circuit.They can also provide the protection to people, Avoid it from directly or indirectly contacting energized components (electric shock), and the protection to device be provided, avoid it due to insulation fault and By fire.

Some problems may also be introduced into DIN or NEMA breakers and differential circuit breaker, such as, when circuit is not protected Shield and high-voltage line tend to heating when arriving fusing point, cause damage and fire.

Another problem is considered as short circuit, and it occurs when live wire contacts other zero lines.This causes breaker due to electricity Flow through load and trip.The problem of short circuit is probably serious.Subject matter is in electric wire, therefore, it is suggested that following specific standards and rule It is fixed, to avoid more serious infringement.

In view of the foregoing, it is readily apparent that even if original installation by thering is qualification and authorized professional to carry out, and All parts are all used properly, the efficiency of process for being also not sufficient to ensure that the safety of its user or being involved.This be because Not had qualified unauthorized personnel close in power cabinet, its breaker, cable and other parts or being connect with improperly technology Closely, the whole electric device originally assembled becomes highly dangerous, causes the uneasiness relevant with the operational norm of device and its efficiency Full situation.

On regulation in that respect, it is that appropriate, orderliness is clear that can confirm that Brazilian technical standard level, and is accorded with Close the international standard of International Electrotechnical Commission (IEC).However, ensure to accord with completely in Brazil's management framework without as Standardization and allow to apparatus for building systematicness assess.In the presence of suitable technical standard and the rule for not being required to meet standard Gap between fixed so that life, health and safety and the precarious property of people is in very serious danger Under.

Prior art is analyzed

Enable us to understand with the research carried out in international data center at home and be used for protection power source cabinet and its each group Some solutions of part.No. 20140220802 North America documents of US (Dte Utilities Electric Co.s) are disclosed for locking, marking and group Fill the device of selectable electric insulation equipment (such as terminal block).In this document, it is seen that be actually not only The demand of the solution of insulation electrical assembling circuit is sought in Brazil, and the whole world, however, its solution provided is not Be same as set forth herein model.

No. 4882456 documents of US (Cooper industrial groups) disclose the blocking device for breaker, more specifically relate to And the locking to electric switch handle, for this purpose, it includes being arranged in the supporting member before breaker, the element is coupled to Surround ring with hole on to side wall, the blocking device also have the support again with horizontal hole, the horizontal hole energy It is enough to be passed through by lock pin.Remained contained within after lock pin passes through hole below switch knob, so as to prevent its motion.Despite the presence of lock Pin, but the document being previously mentioned is different from model disclosed herein, and reason is, except providing driving of the blocking to single switch It is also much more complex for its number of components beyond major function.

Although the document mentioned in the preceding paragraph is related to identical application field, but without the present improved object of offer Feature, so that it is guaranteed that it meets legal and patentability requirement.

The technical problem to be remedied

In the case where having understood prior art and above mentioned problem, apparatus for building must start to include being used to ensure to pacify comprehensively Full device, not only for line and the component of distribution, while also provide for identifying for electrical panel and/or installation open circuit Any infringement of the switch cubicle of device or the device of the intervention of unauthorized.As described below, this patent provides one or more open circuits Device, its on that face of the connection corresponding to trip bolt and to cable and/or binding post equipped with special tectonic, with band The clamp type closure member for having identifier prevents the people of unauthorized from contacting regulator cubicle and change some circuits or company without approval together Connect, identification immediately is such to be destroyed, and so as to allow to correct such behavior, avoids electrical system from suffering damage, such as short circuit or Other infringements.

The content of the invention

In order to achieve the above object, applicant develops the improvement to standard DIN or NEMA breaker, more specifically, institute Stating improvement and being related to includes at least one set of four eyelets, and this in the front of breaker (either monopole, bipolar or triple-pole type) Some holes eye surrounds the region of trip bolt and cable and/or binding post connection, and thus, eyelet as a pair is used as connecing The support of the cover plate of trip bolt is closed, and another pair eyelet is after the corresponding hole being received on the cover plate, it is clamped Type closure member passes through so that the cover plate can prevent the contact to trip bolt.

Goal of the invention

It is therefore an object of the present invention to disclose a kind of electric component, clamp type closing can be included by especially starting use Standard DIN or the NEMA breaker of some architectural features of part, or differential circuit breaker, the clamp type closure member are electrically to install After the completion of be just coupled with.

Other purposes are that present improved breaker model continues to comply fully with effective technical standard, either closes In its package assembly with circuit and cable, i.e., the Current standards that may violate breaker and/or electric operation are not made Change, but add external component, now can after electric device is ready to, on each trip bolt plus cover plate and The respective clamp type closure member with identification device.

It is another object of the present invention to the element in order to install closure member and be added to breaker is low cost , i.e., the final price of breaker is not influenceed.

In addition to closure member keeps the tangible proof of integrality and therefore protects electric component, by changing to breaker And then the advantages of one of be, closure member, which has, to be used to identify installed date and/or department involved by these breakers Region, consequently facilitating the maintenance service in future.

Further advantage is that the closure member being included in the invention has alphanumeric numbering, builds personnel or responsible Installation personnel by the alphanumeric number by device number mark on user's manual (for example, in the case of construction project, House or apartment with some units), thereby, it is ensured that the integrality of provided device, avoids inquiry and legal dispute, fire Expert opinion under situation, it is, it ensures the feature of provided protectiveness circuit.

Another advantage is that market can select between traditional breaker and improved new breaker, and reason exists It is small in spatial volume used in the change applied now, once however, it ensures the protection to the electric component of proper authorization, Just there is high importance and efficiency.

Brief description of the drawings

In order to further support this specification, it is intended to the feature of utility model is more fully understood, it is preferable actual according to it Embodiment, one group of accompanying drawing is enclosed in a manner of exemplary and unrestricted herein, represented as follows：

Fig. 1 shows the monopole of prior art and the perspective view of double-pole cut-out, to help to observe institute in the following drawings The improvement of display；

Fig. 2 is illustrated with new improved single-pole circuit breaker, is showing the breaker with two carriage assemblies just Face, two of which carriage assembly are used for accommodating the cover plate corresponding to the trip bolt for cable and/or binding post, and this A little cover plates are shown with decomposing diagram form；

Fig. 3 shows the details enlarged drawing of figure above；

Fig. 4 illustrates the breaker for Fig. 2 that cover plate is properly installed in support component, and is shown with decomposing diagram form , also there is innovative closure member；

Fig. 5 and 6 represents the perspective view of differential circuit breaker, and its at least one cover plate is decomposed relative to each breaker and shown；

Fig. 7,7A and 7B show each amplification details of clamp type closure member in perspective view respectively；Cutd open with side view The form of view shows the details enlarged drawing for the element for preferably including closure member lock and the closure member lock with closing tape；With And

Fig. 8 shows the perspective view of one group of single-pole circuit breaker and differential circuit breaker, and all of which breaker is all according to this The feature of invention is closed.

Embodiment

As illustrated, the present invention is " improvement of closed breaker ", more specifically, these breakers belong to DIN or The middle low-voltage electrical device of NEMA types, and it is with monopole (D1) (may also be bipolar or three poles) type or differential (D2)/(D3) (differential residue) type provides, and generally each breaker includes the body (10) being made up of ordinary rectangular body, and its front presents For mounting screw (P) region (R1) and (R2), the screw (P) is used to mount and dismount on electrical panel (not shown) Breaker (D1)/(D2)/(D3)；The front of breaker also includes central area (R3), wherein accommodating actuator lever (11).

According to the present invention, each breaker (D1)/(D2)/(D3) region (R1) and (R2) are equipped with supporting arrangement (12), the cover plate (13) at least one screw cover plate (P)；The supporting arrangement (12) includes the phase with the end of plate (13) To the attachment (14) of axle (13a) engagement, and the perforated member through each hole (13b) being made on plate (13) (15), such perforated member (15) can accommodate the tape (16a) (Fig. 4) of clamp type closure member (16).

In preferable option, cover plate (13) is made up of the plastics of blade shape, metal or other rigid materials, and it has Central area (13c), the screw for being dimensioned to cover breaker model (D1)/(D2)/(D3) of the central area (13c) (P) head.Plate (13) includes two pole axis (13a) positioned opposite.

Still preferable option is thought of as, attachment (14) include two raised axle sleeves (14a), each axle sleeve (14a) has the centre bore (14b) for the end axle (13a) for being used to place plate (13), can relative to corresponding region (R1) or (R2) installed outer surface.

Preferably, perforated member (15) can be in the form of the eyelet (15a) of projection, and it has by transverse axis (E1) each other The center drilling (15b) of alignment, the tape (16a) of closure member (16) pass through from perforate.

Otherwise as shown in Fig. 7, Fig. 7 A and 7B, closure member (16) includes the flexible band with small retainer (16b) Bar (16a), the small retainer (16a) cross over the tape (16a) to equidistantly distribute；Plate (16c) is inserted into one of them End, for enabling knowledge of the electrician/assembler with hand-written or other modes input breaker or breaker group (referring to Fig. 8) Other information.In the opposite side insertion locking member (16d) of identification plate (16c), the locking member (16d) includes having longitudinal hole The square-section part in hole (16e), the hole (16e) are internally provided with retainer (16b) lock (16f) at it, and so Locking by reinforcer (16g) aid in.

Because thus the preferable configuration of closure member is defined, it is understood that, cover plate (13) at each region (R1) and (R2) the assembling on respective screw (P) prevents unauthorized personnel close to screw, and when closure member is arranged in one Or during multiple cover plates, the closure member is forbidden and avoids without authorizing in advance and distort and change any of switchgear Electric Appliance Cabinet and taste Examination.

In order to cover one or more screws (P), cover plate (13) can be manufactured into suitable for each breaker (D1), (D2) The region (R1) of (D3) and the various length of the size of (R2).

Far and away, when the present invention puts into practice, the details of some forms of reflection and construction can be changed, without Away from the general principle substantially illustrated in claim framework, accordingly, it is to be understood that used term and without limitation Property purpose.

Claims

" 1. the improvement of closed breaker ", it (is probably bipolar or three that such breaker, which relates more specifically to monopole (D1), Pole) type or differential (D2)/(D3) (differential residue) type provide, low-voltage architectural electricity device in DIN or NEMA types, and often Individual breaker generally includes the body (10) being made up of common rectangular-shaped piece, and the front of the body (10), which has, to be used to install spiral shell Region (R1) and (R2) of (P) are followed closely, the screw (P) is used to mount and dismount the breaker on electrical panel (not shown) (D1)/(D2)/(D3)；The front of the breaker also includes the central area (R3) for accommodating actuator lever (11)；Characterized in that, The region (R1) of each breaker (D1)/(D2)/(D3) and (R2) are equipped with the cover plate at least one screw (P) (13) supporting arrangement (12)；The supporting arrangement (12) includes the engagement engaged with the relative axle (13a) of the end of plate (13) Part (14), and the perforated member (15) through each hole (13b) being produced on the plate (13), the perforated member (15) tape (16a) of clamp type closure member (16) can be accommodated.
" closed breaker " 2. according to claim 1 and preferred embodiment, it is characterised in that the cover plate (13) by Plastics, metal or the other rigid materials of blade shape are made, and the cover plate (13) has central area (13c), the center The head of at least one screw (P) for being dimensioned to cover corresponding breaker (D1)/(D2)/(D3) type in region (13c) Portion.
" closed breaker " 3. according to claim 1 and preferred embodiment, it is characterised in that the attachment (14) two raised axle sleeves (14a) are included, each axle sleeve (14a) is respectively provided with centre bore (14b), for placing the plate (13) End axle (13a)；The plate (13) is cut with scissors in the axle sleeve (14a) relative to corresponding region (R1) or (R2) outer surface Chain movement.
" closed breaker " 4. according to claim 1 and preferred embodiment, it is characterised in that the perforated member (15) can be in the form of the eyelet (15a) of projection, the eyelet (15a) carries and opened by transverse axis (E1) center aligned with each other Hole (15b), the tape (16a) of the closure member (16) pass through the center drilling (15b).
" closed breaker " 5. according to claim 1 and preferred embodiment, it is characterised in that the closure member (16) For clamp type.
" closed breaker " 6. according to claim 1 and 5 and alternative embodiment, it is characterised in that the closing Part (16) includes the flexible tape (16a) with small retainer (16b), described in the small retainer (16b) is crossed over Tape (16a) is to equidistantly distribute；Identification plate (16c) is inserted into one of end, and in the relative of the identification plate (16c) One end includes the square-section part with longitudinal bore (16e), institute inserted with locking member (16d), the locking member (16d) The lock (16f) that hole (16e) is internally provided with the retainer (16b) is stated, and such locking is by reinforcer (16g) Auxiliary.
7. according to " the closed breaker " of foregoing any one claim, it is characterised in that due in the regional (R1) and placed on (R2) and lock cover plate (13), therefore prevented to the unauthorized close of screw (P).
8. according to " the closed breaker " of foregoing any one claim, it is characterised in that in order to cover one or more Screw (P), the cover plate (13) can be manufactured into suitable for each breaker (D1), (D2) and (D3) region (R1) and (R2) the various length of size.