DE102012020219A1 - Device i.e. supply and connecting terminal, for contacting e.g. electric conductors in lamp, has housing front and rear parts formed as unit, and electrical interconnect components arranged in unit to balance displacement of contact points - Google Patents

Abstract

The device (1) has electrical contacts provided in a housing front part (2) and a housing rear part (3) through contact points, respectively. The housing front and rear parts are formed as a unit. Electrical interconnect components are provided between the contact points in the front part and the contact points in the rear part. The components are arranged in the unit and balance displacement between the contact points in the housing front and rear parts. The components are formed as wire i.e. rigid wire.

Description

The invention relates to a device for contacting electrical conductors and / or electrical contact elements, according to the preamble of claim 1, and a lamp or an electrical device.

Such devices, also known as connection and connection terminal, are used for example for the electrical connection of lights. They can also be used in LED applications or for other electrical devices.

In existing systems for lights, especially in track lights with individual lights, which are arranged on a rail, devices are present, on the one hand have a terminal for the power and / or control lines and on the other hand a tap to the further electrical connection to the light source to be able to guarantee. The terminal and the tap can be per se known products that are independent of each other. The grid of the terminal and the grid of the tap can be partially different. The terminal and the tap can be connected to individual conductors, for example, with the conductors to be split and isolated, among other things. The assembly effort is considerably, many individual components are required and the entire device requires a lot of space in the lamp, especially in length.

From the prior art, a uniform device is known, wherein the grid in the front part of the device and the grid in the rear part of the device, in the height and in the width of the device considered identical. Both connection sides are connected with punched parts. But at least the width of such devices is greater than the width of known terminals that are used for such systems, since the same grid is provided in the front and in the rear part.

The invention has the object of developing a device of the type described above so that the size of the entire device is smaller or the design is more compact. Furthermore, the cost of manufacturing and assembly of the device should be reduced and the installation of the device in the luminaire can be simplified.

The solution of the objects is achieved according to the invention by the features specified in the independent claim 1. The dependent claims define preferred and advantageous embodiments of the invention.

The inventive device for contacting electrical conductors and / or electrical connectors has at least a front housing part and a housing rear part, wherein at least a first electrical contact via Kontaktierstellen in the front housing part and at least one further electrical contact via Kontaktierstellen in the housing rear part are provided, wherein the Kontaktierstellen in the front housing part with a first grid to each other and the Kontaktierstellen are arranged in the housing rear part with another grid to each other and wherein the further grid at least partially different, considered in height and / or in the width of the device , to the first grid is.

A feature of the device according to the invention is that the housing front part and the housing rear part are formed as a unit. The housing front part and the housing rear part can be directly connected to each other.

Another feature of the device according to the invention is that electrical connecting elements between the Kontaktierstellen in the housing front part and the Kontaktierstellen in the housing rear part are arranged in the unit and electrically connect each of them, wherein the respective electrical connection elements, the offset between the connected Kontaktierstellen in the housing Front part and housing rear part can compensate.

This has the advantage that the connecting elements can serve as equalizing elements for different pitches or pitch of the contacting points, wherein the space of the device can remain very small or limited.

According to a preferred embodiment of the device, the electrical connection elements can be arranged at least between the front housing part and the rear housing part, preferably in webs.

It is advantageous if a grounding contact is present and at least one contacting point is provided for the grounding contact.

Preferably, the electrical connection elements, which are not provided for the contact points of the grounding contact, can be made identical.

The electrical connection elements can be formed as a wire, preferably as a rigid wire.

Furthermore, the electrical connection elements can be bent, in particular with a Z-shaped bend to the height offset be able to compensate between the respective contact points of the front housing part and the housing rear part.

In addition, the electrical connection elements can be arranged rotated about their longitudinal axis, in particular stress-free, in order to be able to compensate for the offset, viewed in the width of the device, between the respective contact points of the housing front part and the housing rear part.

It is preferred that the contacting points of the front part of the housing have punched parts with at least spring elements and connection poles for electrical conductors.

Furthermore, the contacting points of the housing rear part can be designed for electrical contacting with at least one electrical contact element, preferably with a tap.

The device according to the invention can be used for example as a light terminal, in particular for individual lights, which may also be located in a rail system. Due to its small or low design in height and width, it can also be used in LED applications.

The device according to the invention may preferably be a screwless connection or connection terminal.

The invention also relates to a lamp with the device according to the invention. The invention may also relate to an electrical device with the device according to the invention.

In the following, the invention will be described in more detail with reference to an embodiment which, however, should be construed by way of example only, not limitation.

Show it:

1 a perspective view of a device according to the invention with a mounting plate,

2 a further perspective view of a device according to the invention with a mounting plate.

3 a perspective view of a device according to the invention with a tap.

4 a further perspective view of a device according to the invention with a tap.

5 an exploded view of a perspective view of a device according to the invention.

6 a further exploded view of a perspective view of a device according to the invention

7 an exploded view of the view from behind a device according to the invention.

8th an exploded view of the side view of a device according to the invention.

In 1 and 2 is a device according to the invention 1 for contacting electrical conductors 7 (in 4 schematically shown) and an electrical connector (for example, as a tap 8th in 3 and 4 shown). This device 1 is designed here as a connection and connection terminal.

The device 1 has a housing front part 2 and a housing rear 3 on. In the housing front part 2 can be done electrical connections, and in the housing rear part 3 Further electrical connections can be made.

The housing of the device 1 may be formed in two parts, wherein a housing upper part 4 with a housing lower part 5 can be connected. In this case, the housing front part 2 with the front part of the housing upper part 4 and with the front part of the housing lower part 5 formed, and the housing rear part 3 is with the rear part of the housing top 4 and with the rear part of the housing base 5 educated. When assembled, the housing front part forms 2 with the housing rear part 3 a unit, as well as the housing upper part 4 with the housing lower part 5 ,

The device 1 can on a sheet 6 (shown here only as a partial section) are attached. The sheet 6 is preferably a mounting plate of a lamp, a lighting rail system or an electrical device. The device 1 has fasteners 12 , here for example as snapping feet, on. The sheet 6 has a corresponding hole pattern with holes 14 , for mounting the device 1 by means of the fastening elements 12 the device 1 on.

Furthermore, the device 1 a ground contact 13 that fits in the slot 15 of the sheet 6 is arranged during assembly. Other types of earthing contact, for example as a screwdriver, should not be excluded.

The arrangement of fasteners 12 and grounding contact 13 on or in the device 1 can be chosen so that the arrangement is maintained in known connection and connection terminals or other devices so that the products can be interchangeable. For example, it is conceivable that the luminaire manufacturer continues to use the same sheet metal 6 used and no longer uses the known and more expensive devices, but the inventive and advantageous device 1 ,

The device 1 points in the housing front part 2 connecting poles 9 , as well as pushers 11 on. The arrangement of the connection poles 9 and the pusher 11 can at least partially correspond to the arrangement in known terminals in order to ensure compatibility with such known terminals. Between the center axes of the respective connection poles 9 , in the width of the device 1 considered, a distance Y is provided. This results in a first grid with the distances Y. The distances Y can be at least partially identical or can be different. In this embodiment, they are identical.

The device 1 points in the housing rear part 3 one or more recesses 10 into which a connector for further electrical connection can be inserted. For compatibility with known per se connectors or taps 8th To be able to guarantee, it is beneficial if the recesses 10 in the device 1 suitable for such connectors or taps 8th be formed. Between the central axes of the respective recesses 10 , in the width of the device 1 are considered, distances X (in 7 shown). This results in a further grid with the distances X. The distances X may be at least partially identical or may be different. In this embodiment, they are different.

Due to the design of the connecting poles 9 and the recesses 10 are the respective distances Y in the front housing part 2 not identical to the respective distances X in the housing rear part 3 ,

Through the device 1 can be compatible with existing or per se known products and with existing assembly and / or connection method on the one hand in the front housing part 2 and on the other hand in the housing rear part 3 be guaranteed. According to the invention, a connection between the front housing part 2 and housing rear 3 be created to the size of the entire device 1 to reduce or make the design more compact, the manufacturing and assembly costs can also be reduced.

In the device 1 It is also possible to provide a receptacle for a strain relief, here for example through the recess 36 and the fasteners 37 ,

In 3 and in 4 is the device 1 with a connector, here as a tap 8th represented. The pole connectors 35 of the tap 8th be in the recesses 10 in the housing rear part 3 plugged in to allow further electrical contact. In the pole pins 35 are for example fork contacts 16 provided, the electrical connection elements 22 . 23 (in 5 and 6 shown) can contact.

The tap 8th can connecting poles 17 at the pole pins 35 for further electrical conductors provided for internal wiring within the luminaire.

The tap 8th can also fasteners 18 have, so the tap 8th for example, in the lamp can be attached. A ground contact 19 can also be provided. To the assembly of the tap 8th into the device 1 To simplify, a finger can 20 at the tap 8th be provided as a search finger or auxiliary function, in a positioning funnel 21 the device 1 is inserted.

In 5 and 6 are exploded views of the device 1 shown.

In the front part of the housing upper part 4 are chambers 38 present, with stamped parts 29 in these chambers 38 are positioned. The stamped parts 29 have at least one contact frame 24 and spring legs 25 . 26 . 27 . 28 , The stamped parts 29 allow the electrical connection between the electrical conductors 7 and the connecting elements 22 . 23 , The electrical conductors 7 that in the connecting poles 9 can be plugged in, over the spring legs 25 or 27 be held, the fasteners 22 . 23 over the spring legs 26 or 28 ,

In the housing rear part 3 are on the one hand guideways 31 in the housing upper part 4 and on the other hand positioning elements 30 in the housing lower part 5 present to the fasteners 22 . 23 in the housing rear part 3 to position and keep electrically isolated from each other, thus connecting with the fork contacts 16 of the tap 8th can be done.

The connecting elements 22 . 23 are provided as electrically conductive wires. It is advantageous if rigid wires are used. As they are in the device 1 are protected against contact, uninsulated fasteners 22 . 23 be used. Bare copper wires are preferred. Other fasteners, such as stampings, are not excluded, even if they are not preferable for cost reasons, since the production would be more complex.

In 7 and 8th It can be seen that the grid of the connections in the front housing part 2 different from the grid in the housing rear part 3 is.

The central axes 32 the contact point in the front housing part 2 can either at the connecting poles 9 , the stamped parts 29 or with the pushers 11 being represented.

The central axes 33 the Kontaktierstelle in the housing rear part 3 can either at the rear ends of the fasteners 22 . 23 or at the positioning elements 30 the rear part of the housing lower part 5 being represented.

Since the distances X between the center axes 33 different from the distances Y between the center axes 32 is, there is an offset A, in the width of the device 1 considered, between the central axes 32 and 33 the contacting points in the housing front part 2 and in the housing rear part 3 to be connected to each other. For each connected contacting points, the offset A can be different. According to the invention, the connecting elements 22 . 23 each offset A, in the width of the device 1 considered, compensate.

To the design of the device 1 Keep compact, be narrow pitches, in the width of the device 1 considered, between the different connections provided.

In principle, a height offset E between the Kontaktierstellen in the front housing part 2 and in the housing rear part 3 be provided. The connecting elements 22 and 23 may have a Z-shaped bend to compensate for this height offset E can.

In addition, also a height offset H between the connecting elements 22 and 23 to be available. For example, the connecting element 23 , wherein the associated contacting point could be provided for grounding, a different height position than the remaining connecting elements 22 in the housing rear part 3 exhibit. The connecting element 23 in this case has a different Z-shaped bend than the Z-shaped bend of the fasteners 22 ,

An attempt is made to have only a limited number of different Z-shaped bends in order to minimize the number of individual components and thus also the costs.

By the offset A, in the width of the device 1 considered to be able to compensate, the fasteners can 22 . 23 , in particular formed as a wire, twisted in the webs 31 to be assembled. The end of the fasteners 22 . 23 in the contact points of the front housing part 2 depends accordingly on the respective bearing surfaces 34 the stamped parts 29 , Thereby, the contact height and tap height can be maintained and the connecting elements 22 . 23 can be mounted stress-free, which is also safety reasons of advantage.

An offset in the length of the device 1 could also be compensated, but is not necessary in this embodiment. In the housing front part 2 are the ends of the fasteners 22 . 23 at the same level. In the housing rear part 3 can the fasteners 22 . 23 be arbitrary and / or the same length, since the fork contacts 16 of the tap 8th an electrical contact from above with the connecting elements 22 . 23 enable.

It is conceivable that the fasteners 22 shorter in length than the fasteners 23 be formed. This brings a mounting advantage, since it is easier to see which connection elements are provided for which connections.

By the device according to the invention 1 with the connecting elements according to the invention 22 . 23 can have a fix split in the front housing part 2 with a different tap pitch in the housing rear 3 be connected within a narrow space. The connecting elements 22 . 23 can serve as balancing elements. For applications such as lights or in the LED area, it is advantageous. Other applications in electrical equipment should not be excluded.

LIST OF REFERENCE NUMBERS

1

contraption

2

Housing front

3

Housing rump

4

Housing upper part

5

Lower part of housing

6

sheet

7

electrical conductors

8th

tap

9

connecting pole

10

recess

11

handle

12

fastener

13

ground contact

14

hole

15

slot

16

fork contact

17

connecting pole

18

fastener

19

ground contact

20

finger

21

positioned judge

22

connecting element

23

connecting element

24

contact frame

25

spring leg

26

spring leg

27

spring leg

28

spring leg

29

stamping

30

positioning

31

guideway

32

Center axis of the contact point in the front housing part

33

Center axis of the contact point in the housing rear part

34

bearing surface

35

Polstecker

36

recess

37

fastener

38

chamber

A

Offset in width

e

Height offset

H

Height offset

X

Distance between two contact points in the housing rear part

Y

Distance between two contact points in the front housing part

Claims (10)

Contraption ( 1 ) for contacting electrical conductors and / or electrical connectors, - with at least one front housing part ( 2 ) and a housing rear part ( 3 ), - wherein at least a first electrical contact via contact points in the front housing part ( 2 ) and at least one further electrical contact via contacting points in the housing rear part ( 3 ) are provided, - wherein the Kontaktierstellen in the front housing part ( 2 ) with a first grid to each other and the Kontaktierstellen in the housing rear part ( 3 ) are arranged with another grid to each other, and - wherein the further grid at least partially different, in the height and / or in the width of the device ( 1 ), is to the first grid, characterized in that - the housing front part ( 2 ) and the housing rear part ( 3 ) are formed as a unit, - and electrical connecting elements ( 22 . 23 ) between the contact points in the front housing part ( 2 ) and the contact points in the housing rear part ( 3 ) are arranged in the unit and electrically connect each, wherein the respective electrical connection elements ( 22 . 23 ) an offset between the connected contact points in the front housing part ( 2 ) and housing rear part ( 3 ). Contraption ( 1 ) according to claim 1, characterized in that the electrical connection elements ( 22 . 23 ) at least between the front housing part ( 2 ) and the housing rear part ( 3 ) are guided out, preferably in webs. Contraption ( 1 ) according to claim 1 or 2, characterized in that a grounding contact ( 13 ) is present and at least one contact point for the grounding contact ( 13 ) is provided. Contraption ( 1 ) according to one of the preceding claims, characterized in that the electrical connection elements ( 22 ), which are not suitable for the contacting points of the earthing contact ( 13 ) are provided, are identical. Contraption ( 1 ) according to one of the preceding claims, characterized in that the electrical connection elements ( 22 . 23 ) are formed as a wire, preferably as a rigid wire. Contraption ( 1 ) according to one of the preceding claims, characterized in that the electrical connection elements ( 22 . 23 ) are bent, in particular with a Z-shaped bend, to a height offset (E, H) between the respective contact points of the housing front part ( 2 ) and the housing rear part ( 2 ). Contraption ( 1 ) according to one of the preceding claims, characterized in that the electrical connection elements ( 22 . 23 ) are arranged twisted about their longitudinal axis, in particular stress-free, to an offset (A), viewed in the width of the device, between the respective contact points of the housing front part ( 2 ) and the housing rear part ( 3 ). Contraption ( 1 ) according to one of the preceding claims, characterized in that the contacting points of the front housing part ( 2 ) Stamped parts ( 29 ) with at least spring elements ( 25 . 26 . 27 . 28 ), as well as connection poles ( 9 ) for electrical conductors ( 7 ). Contraption ( 1 ) according to one of the preceding claims, characterized in that the Contact points of the housing rear part ( 3 ) for an electrical contact with at least one electrical contact element, preferably with a tap ( 8th ), are formed. Luminaire or electrical device with a device ( 1 ) according to any one of the preceding claims.

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