CN1192032A

CN1192032A - Case for electrical switchgear and electrical switchgear apparatus comprising such case

Info

Publication number: CN1192032A
Application number: CN98105969A
Authority: CN
Inventors: 罗伯特·洛伊欧戴斯
Original assignee: Schneider Electric SE
Current assignee: Schneider Electric SE
Priority date: 1997-02-14
Filing date: 1998-02-14
Publication date: 1998-09-02
Anticipated expiration: 2018-02-14
Also published as: EA000360B1; FR2759846A1; EA199800124A1; CN1068698C; EP0860901B1; BR9800617B1; EP0860901A1; FR2759846B1; ATE195204T1; ES2150307T3; DE69800235D1; AR011675A1; DE69800235T2; BR9800617A; ID19899A

Abstract

A casing of an electric switch device comprises a first half casing (1) which is provided with a first lateral wall (3) and a surrounding wall (4), a second half casing (1) which is provided with a second lateral wall (5) and the surrounding wall (6) and connection blocks (10 and 11) which are arranged at the outside of the casing and are fixed at the first half casing and the second half casing. The connection block comprises a first part (12) which is arranged at the outside of the surrounding wall and two fixing walls (13 and 14) which are vertical to the first part and are arranged at the outer surfaces of the first lateral wall and the second lateral wall. The electric switch device with the casing is provided with a connection conductor (27) which is matched with terminals inside the connection blocks.

Description

Be used for the housing of electric switchgear and comprise the electric switchgear of this housing

The present invention relates to be used for the housing of electric switchgear, it comprises: one the first half shell, and it comprises the first side wall and first perisporium of obviously arranging perpendicular to the first side wall border land; One the second half shell, it comprises second sidewall and second perisporium of obviously arranging perpendicular to second sidewall edge ground; And a device that is used for fixing Face to face first and second half shell, first and second perisporiums contact.

The housing of modular electric switchgear comprises two and half shells of assembling mutually knownly.Usually, one on two halves shell leans on another ground to arrange, then with screw or rivet assembling.Per half shell generally includes the cylindrical hole post on described half shell wall, so that can insert rivet or screw.

When assembling, the Kong Zhu of per half shell complementation is arranged in them separately on the bearing of trend of axle, so that insert rivet.After every Kong Zhuzhong inserted rivet, rivet was by the specialist tools crimping.

Can assemble with screw according to identical principle.Screw is inserted into Kong Zhuzhong, then it is screwed into nut.Also screw directly can be screwed in the housing.In the case, screw freely passes the first hole post of internal diameter greater than screw diameter.Then screw is screwed into the second complimentary aperture post of internal diameter less than screw diameter.

Use the assembling of rivet or screw to need special instrument.This makes built-up time long, and makes the switching device manufacturing cost very high.In addition, these fixed forms can not provide the housing that can't dismantle.In fact, the shell that is screwed is very easy to be taken apart, or is easy to remove rivet and replacing with other rivet.

The objective of the invention is to obtain a kind of housing of electric switchgear that need not the very fast assembling of any special tool prodigiosin, and the electric switchgear that comprises this housing.

According to the present invention, the device that is used for fixing housing comprises a contiguous block that is arranged in outside at least, be used for the outer surface of the first side wall is connected to the outer surface of second sidewall, described contiguous block comprises the first that is arranged in the perisporium outside and perpendicular to described first and be arranged in two fixation wall on the first and second sidewall outer surfaces.

According to a preferred embodiment, the fixation wall of contiguous block comprises first shutoff device, and it matches with the suitable shape of sidewall, in order to described contiguous block is fixed on the housing.

Best, first shutoff device of contiguous block fixation wall is the contact pin that comprises locking key, and design is used for matching with the notch that is arranged in housing sidewall.

Advantageously, first and second sidewall comprises bossing, and the latter comprises second locker, is used for described sidewall is fixed to the first of contiguous block.

In a specific embodiment, the two halves shell comprises the 3rd shutoff device, and they are arranged on the inner surface of wall, is used for the two halves shell is remained on position separately.

Best, the 3rd locker is included in its end and is provided with locking key and is arranged in elasticity contact pin on the perisporium extension, and is arranged in the notch of the perisporium on contact pin opposite, is used to receive locking key.

Advantageously, the 3rd shutoff device comprises three points that are used for fixing perisporium at least, the plate setting behind the housing of first fixing point, and second fixing point is provided with towards the uplink side of housing, and the 3rd fixing point is provided with towards the downlink side of housing.

For housing can not be taken apart, the 3rd shutoff device is arranged in such a way, and promptly is difficult to from the outside to be opened to prevent housing, unless make housing distortion near them.

This housing comprises a lid, and it is formed on the positive of described housing and fixes to the fixture on half shell wall by padlock, and the described padlock stationary device of using can not be approaching from outside, and perisporium is the opening that has towards the shell front.

For the connection of housing, contiguous block comprises that design is used for installing the groove of arrangements of electric connection, and arrangements of electric connection matches with the conductor that is located between the housing inboard and the outside.

A kind of electric switchgear according to an embodiment of the invention comprises the housing according to the foregoing description, is arranged in the circuit of described enclosure interior, reaches the electric conductor that connects described circuit and pass sidewall, is used for matching with the electric connector terminal of contiguous block.

In a specific embodiment of switching device, electric conductor is become by preform flat copper plate, and be connected with the printed circuit that is arranged in enclosure interior, the conductor of this form has the first that connects perpendicular to the printed circuit board (PCB) plane earth, the relative second portion of first's bending, and extend to the third part of perisporium outside.

Best, the first of conductor comprises two ends that can be connected on the circuit, and the second portion of bonding conductor is near first end, so that bonding conductor can be reverse.

Only to the explanation of the preferred embodiment of the present invention additional advantage and feature are more clearly illustrated as non-limiting example and with reference to accompanying drawing by following, its accompanying drawing is:

Fig. 1 represents first embodiment of one and half shells of housing according to the present invention;

Fig. 2 represent with Fig. 1 in the embodiment of the second half shells of the first half shell complementations;

Fig. 3 and Fig. 4 represent the embodiment of the contiguous block of a housing according to the present invention;

Fig. 5 represents to be used for the lid according to a front of the housing of Fig. 1 and 2;

Fig. 6 represents to comprise the assembly drawing according to the electric switchgear of the housing of Fig. 1 to 5;

Fig. 7 represents to comprise a housing that assembles according to the parts of Fig. 1 to 5;

Fig. 8 and Fig. 9 represent to be used to comprise the embodiment according to the bonding conductor of the switching device of housing of the present invention;

Figure 10 represents the layout of bonding conductor between printed circuit board (PCB) and the terminal.

Comprise the first half shells 1 that are illustrated respectively among Fig. 1 and 2 and the second half shells 2 according to the combination housing of the electric switchgear of an embodiment.The first half shells 1 comprise the first side wall 3 and first perisporium 4.The second half shells 2 also comprise second sidewall 5 and second perisporium 6.For assemble case, two halves shell limit is arranged with keeping to the side and first and second perisporiums are located in contact, to form the profile of described housing.The housing of Xing Chenging comprises that design is used for fixing the back plate 7 on the bearing like this, and and back plate and the perpendicular first uplink side 8 and the second downlink side 9 of sidewall.Bearing is the rail of symmetry preferably.

According to one embodiment of present invention, the

contiguous block

10 and 11 shown in

half shell

1 and 2 usefulness Fig. 3 and 4 fixes.Each contiguous block comprises that design is used for uplink side or the contacted first 12 of downlink side with perisporium, and two fixation wall 13 of vertical described first and 14.The fixation wall of each contiguous block contacts with the outer surface of every sidewall, and two halves shell limit is remained on separately the position with keeping to the side.These fixation wall comprise first shutoff device, are used for contiguous block is fixed to the wall of half shell.This shutoff device preferably includes the contact pin 15 of extending fixation wall, and contact pin 15 comprises the locking key 16 that design matches with the notch 17 that is arranged in housing sidewall.

More effective fixing in order to realize contiguous block, the sidewall of half and half shell comprises projection 18, and the latter comprises second locker, so that described sidewall is fixed to the first 12 of contiguous block.Second locker for example comprises elasticity contact pin 19 that cuts out from the protuberance split and the hole 20 that is arranged in contiguous block first.

When contiguous block being installed when fixing half shell, projection 18 is slided in the first 12 of piece, and fixation wall 14 is slided on the outer surface of sidewall 3 and 5.Then, moving the terminal of journey, when contiguous block put in place, locking plate 15 was locked in the groove 17 and contact pin 19 snaps in the hole 20, so that contiguous block is fixed on the two halves shell.

When two contiguous blocks were installed in uplink side and downlink side respectively, the two halves shell was unified regularly, a lid 21 can be installed in then with shell with back plate opposed forward part on.This lid 21 preferably fixes by lock uint.Described device for example comprises locking key and the groove on all mural margins of half shell that covers on the edge.

The assembling of this shell is very simple and without any need for special instrument.In fact, assembling is that two and half shells are close to each other, in uplink side and downlink side contiguous block is installed then.Till locking plate buckles into, then fix lid by lid being pushed put in place simply.

Also can two and half shells be fixed to position separately by the 3rd fixture with snap close.

In the specific embodiment of Fig. 1 and 2, these devices mainly comprise and being arranged on the side wall inner surfaces from the extended elasticity contact pin of perisporium 22a to 22d.Described contact pin is included in the locking key 23a to 23d of their ends respectively.On the opposite of these shell fragments, perisporium comprises notch 24a to 24d or shoulder, with the reception locking key and with the housing locking.

Preferably housing comprises three fixing points at least, first fixing point is corresponding to the first shell fragment 22a that is arranged on the downlink side, and cooperate with the first notch 24a, second fixing point is corresponding to the second shell fragment 22b that is arranged on the uplink side, and cooperate with the second notch 24b, and the 3rd fixing point is corresponding to being arranged on the 3rd shell fragment 22c or 22d on the plate behind the housing, and matches with the 3rd notch 24c or 24d separately.

In order to guarantee the operation of certain electric switchgear, must accomplish that the disintegration to housing is impossible or very difficult, unless with its destruction.In according to a particular embodiment of the invention, contact pin is provided with in this wise, and promptly they no longer can make half shell separate, and any attempt of opening housing will make housing distortion.

Fig. 6 represents that the disintegration figure of housing of this specific embodiment according to the present invention and Fig. 7 represent the diagrammatic sketch of the same housing that assembles.

In comprising an electric switchgear of above-mentioned housing according to an embodiment of the invention, circuit 25 is disposed between two

halves shell

1 and 2.

According to a preferred embodiment, contiguous block comprises that design is used for receiving the groove of electric connection terminal 26.Described terminal design becomes with the bonding conductor 27 that is arranged in enclosure interior and outside to be connected.These terminals preferably comprise the tubular type terminal of a chuck and pinching screw, so that fixedly connected conductor and lead.Its perisporium comprises opening 28, so that bonding conductor is passed through between outside and inside.

Contiguous block preferably includes the insulating barrier 29 that is arranged between the terminal.These insulating barriers preferably include the edge 30 of width greater than dividing plate, to increase the insulation distance between the terminal.When contiguous block is installed on the housing, edge 30 will contact with uplink side and downlink side perisporium, to guarantee the continuous big insulation distance that reaches in the described perisporium of housing outside of electric insulation.

Bonding conductor 27 can be connected on the printed circuit board (PCB) 25 in enclosure interior, and this printed circuit board (PCB) comprises circuit and presumable electronic component.Common and the parallel sidewalls in the plane of printed circuit board (PCB), described bonding conductor must have given shape, so that can be connected with outside terminal and described circuit.

In a preferred embodiment, electric conductor is made by preformed flat copper plate, and is connected on the printed circuit board (PCB) by welding or crimping first end.Described conductor is illustrated on Fig. 8 and 9, and they preferably have and the vertically arranged first 31 of printed circuit board plane, the relative second portion 32 of first's bending, and extend to the third part 33 of perisporium outside.

First comprises otch 34, so that can be soldered on the printed circuit board (PCB) by one or more solder joints 35.Described first preferably includes two opposite end, so that can make bonding conductor reverse, second portion relative second is brought in more close first end.Such preferred bonding conductor can make two bonding conductors be connected in the same output plane and two terminal limits are used with keeping to the side, end to end arranges in described two conductors such as Fig. 8 and 9.Every end of first comprises otch 34, so that can be soldered on the printed circuit board (PCB).

Figure 10 represents to be connected to circuit 25 and is connected to bonding conductor 27 on the terminal 26.

The most handy die-cast plastic material of the parts of above-mentioned composition shell makes.

The shape of half shell and contiguous block can be different, as long as can realize identical functions.Especially, the shape of lock uint can be different from the shape of the contact pin with key with lock.

Seal at the lid shown in Fig. 5 and 7, but in other embodiment, lid also can have the hole or comprise adjustment, operation or display unit.

The width of shell can change, and can equal the multiple of 9mm usually for its width of die casting housing, as 18mm, 27mm, 36mm or 54mm.In the case, contiguous block can have a large amount of terminals that keep to the side to arrange in the limit.

Claims

1. the housing of an electric switchgear comprises:

The first half shells (1), it comprises the first side wall (3) and first perisporium of obviously arranging perpendicular to the first side wall border land (4);

The second half shells (2), it comprises second sidewall (5) and second perisporium of obviously arranging perpendicular to second sidewall edge ground (6); And

Be used for fixing Face to face the device of first and second half shell, first and second perisporium contacts;

This housing is characterised in that, the device that is used for fixing comprises a contiguous block (10 that is arranged in outside at least, 11), be used for the outer surface of the first side wall (3) is connected to the outer surface of second sidewall (5), described contiguous block comprises the first that is arranged in the perisporium outside and perpendicular to described first and be arranged in two fixation wall (13,14) on first and second sidewall outer surface.

2. according to the housing of claim 1, it is characterized in that the fixation wall of contiguous block has first shutoff device (15,16), it matches with the appropriate format (17) of sidewall, in order to described contiguous block is fixed on the housing.

3. according to the housing of claim 2, it is characterized in that first shutoff device of contiguous block fixation wall is the contact pin (15) that comprises locking key (16), the locking key design is used for matching with the notch that is arranged in housing sidewall (17).

4. according to the housing of claim 2 or 3, it is characterized in that first and second sidewall comprises bossing (18), bossing comprises second shutoff device (19), is used for described sidewall is fixed to the first of contiguous block.

5. according to each housing in the claim 1 to 4, it is characterized in that the two halves shell comprises the 3rd shutoff device, and (24a-24d), they are arranged on the inner surface of wall for 22a-22d, 23a-23d, are used for the two halves shell is remained on position separately.

6. according to the housing of claim 5, it is characterized in that, the 3rd shutoff device is included in its end and is provided with locking key (23a-23d) and is arranged in contact pin (22a-22d) on the perisporium extension, and is arranged in the notch (24a-24d) of the perisporium on contact pin opposite, is used to receive locking key.

7. according to the housing of claim 5 or 6, it is characterized in that the 3rd shutoff device comprises 3 points that are used for fixing perisporium at least, first fixing point (the 22c, 22d, 23c, 23d, 24c, 24d) towards the back plate setting of housing, second fixing point (22b, 23b, 24b) the uplink side towards housing is provided with, and the 3rd fixing point (22a, 23a, 24a) is towards the downlink side setting of housing.

8. according to the housing of each housing in the claim 5 to 7, it is characterized in that the 3rd shutoff device is arranged in such a way, promptly be difficult to outside from wall, be opened to prevent housing, unless make the distortion of half shell near them.

9. according to each housing in the claim 1 to 8, it is characterized in that it comprises a lid (21), it is formed on the positive of described housing and is fixed on half shell wall by the padlock fixture, described padlock fixture can not be approaching from outside, and perisporium has towards the opening in shell front.

According in the claim 1 to 9 one housing, it is characterized in that, contiguous block comprise the design be used for installing the groove of arrangements of electric connection (26), arrangements of electric connection matches with the conductor (27) that is located between the housing inboard and the outside.

11. housing according to claim 10, it is characterized in that contiguous block comprises insulated isolated device (29), insulated isolated device comprises edge (30), with the insulation distance between the two-terminal (26) that increases arrangements of electric connection, insulated isolated device contacts with the housing perisporium.

12. electric switchgear, it is characterized in that, it comprises according to each a housing in the claim 1 to 11, is arranged in a circuit (25) of described enclosure interior, match with the electric connector terminal of contiguous block and be connected described circuit and pass the electric conductor (27) of sidewall.

13. electric switchgear according to claim 12, it is characterized in that, electric conductor (27) is made by preform flat copper plate, and be connected with printed circuit (25) in being arranged in housing, the conductor of this form has the first (31) that connects perpendicular to the printed circuit board (PCB) plane earth, second portion (32) that relative first bends and the third part (33) that extends to the perisporium outside.

14. the electric switchgear according to claim 13 is characterized in that, the first of conductor comprises two ends that can be connected on the circuit board, and the second portion of bonding conductor is near first end, so that bonding conductor can be reverse.