CN102844939A

CN102844939A - Connection apparatus with variable electrical connection between conductor terminals

Info

Publication number: CN102844939A
Application number: CN201180019570XA
Authority: CN
Inventors: 克里斯蒂安·黑格曼; 汉斯·施林格曼; 托尔斯滕·贝克
Original assignee: Weidmueller Interface GmbH and Co KG
Current assignee: Weidmueller Interface GmbH and Co KG
Priority date: 2010-04-17
Filing date: 2011-03-21
Publication date: 2012-12-26
Also published as: DE202010012519U1; WO2011128177A1; EP2561585B1; EP2561585A1

Abstract

Connection apparatus for connecting electrical devices, in particular electric motors, in particular to an AC system, with a housing (1) with a housing lower part (2) and a housing upper part (3), wherein a plurality of multiple terminals (8, 9, 10, 11) are arranged in the housing (1), said multiple terminals each having at least one or two or more conductor terminals (15, 16) and second terminals (17, 18, 19), which are electrically conductively connected thereto, with a configuring plug (23) for conductively connecting individual or a plurality of the multiple terminals (8, 9, 10, 11) in at least two different positions for realizing at least two different circuit types.

Description

Wiring unit with changeable electrical connection between terminal

Technical field

The present invention relates to the wiring unit that is used for connecting circuit according to the preamble of claim 1.

Background technology

For the AC electrical motor that brings into operation, be known as follows, that is, with star circuit operation AC electrical motor, thus the starting torque and the starting power of reduction motor.This motor just switches in the delta network after acceleration.

At this, in the situation of star circuit, the free end of the phase branch road of three-phase alternating current motor is connected with the outer lead of AC network conduction ground.On the contrary, in the situation of delta network, the series connection of the phase branch road of three-phase alternating current motor, thus make the end of phase branch road connect with the initiating terminal of next branch road mutually respectively.

Summary of the invention

Under this background, be interested as follows, that is, a kind of wiring unit is provided, in this wiring unit, the wiring of multiple joint changes between at least two kinds of different state with simple mode.In addition, according to interest on the other hand, be provided for the particularly advantageous multiple joint of this wiring housing.

The solution of this problem is a task of the present invention.

The present invention solves this task through the theme of claim 1.

Favourable design of the present invention is learnt by dependent claims.

Description of drawings

Below, describe the present invention by preferred embodiment with reference to accompanying drawing.Wherein:

Fig. 1 a illustrates the vertical view of first kind of wiring unit in the configuration;

Fig. 1 b illustrates the vertical view of the wiring unit of second kind of Fig. 1 a in the configuration;

Fig. 2 illustrates the decomposition view of the wiring unit of Fig. 1;

Fig. 3 a, 3b not with metal assembly lower housing portion and the three-dimensional single view on housing top of the wiring unit of Fig. 1 be shown;

Fig. 4 illustrates the three-dimensional view of the configuration plug of the wiring unit that is used for Fig. 1;

Fig. 5 illustrates the three-dimensional view of the first multiple joint;

Fig. 6 a to 6c illustrates the three-dimensional view of other multiple joint;

Fig. 7 a to 7d illustrates through the wiring unit of installing, and this wiring unit is laid with star circuit in the situation of Fig. 7 a, 7b, and in the situation of Fig. 7 c, 7d, lays with delta network.

Embodiment

Fig. 1 be the basis with the wiring unit that electrical equipment especially electro-motor is connected on the alternating current system with housing 1 to shown in Figure 2 being used for, and this housing has lower housing portion 2 and can be assemblied in housing top 3 covering part in other words on the lower housing portion 2.Here, housing 1 is a separate casing, but housing 1 also can be assembled on other high level housing or integrally construct (not shown) here with this high level housing.

Lower housing portion 2 has the bottom 4 and sidewall 5 and midfeather 6 of defining chamber 7, designs said chamber 7 here and is used to hold three first identical multiple joints 8 and the corresponding second other

multiple joint

9,10,11.The second

multiple joint

9,10,11 designs differently.Fig. 1 illustrates the situation of inserting the first and second

multiple joints

8,9,10,11 in the housing 1 that has.

Housing top 3 has the peviform design.Wall 12 is provided with the insertion mouth 14 of insertion mouth 13 that is used for lead and the

knife contacts

26,27 that is used for also can describing in detail above that.

The first and second multiple joints 8 to 11 respectively have one or two first joint; Said first joint is set to

terminal

15,16; Said terminal is configured to direct insertion joint (Push-In) here, and is used for original connection wire termination or homologue.In addition, they have at least one or a plurality of second joint that is connected with its conduction, here are

tulip shape contact

17,18,19, and the tulip shape contact is used to insert corresponding contact, is knife contacts here.

In favourable design, the first multiple joint 8 respectively has two

first terminals

15,16, i.e. two direct insertion joints, and in second joint one here are 17 in the tulip shape contact.

15,16 designs as direct insertion joint of first terminal are compact especially and can be connected with realizing reliably apace.Below, use the notion of the direct insertion joint and

first terminal

15,16 with the free burial ground for the destitute.But first joint also can be configured to tractive spring joint or screwed union or similar joint with other interconnection technique.

Knife contacts also can be set or sell the formula contact and replace tulip shape contact 17 as second joint.In this case, the corresponding wiring contact configuration on the configuration plug 23 that also can describe below is tulip shape contact/insertion slot type contact.

Direct insertion joint

15,16 preferably respectively has clamping support 20 and has the preferred V-shaped fastening spring 21 of pressure clamp arm freely, and this fastening spring remains in the clamping support 20 (referring to Fig. 5 and Fig. 6) and is used for lead is pressed to electric current guide rail 22.Electric current guide rail 22 is stamping parts/bool and be connected with one or two or three second joint 17 integral types preferably.Thus, second joint 17 of the first multiple joint 8 interconnects with

direct insertion joint

15,16 with conducting electricity.

Therefore here

first terminal

15,16 of the first multiple joint 8 is configured to twin adapter.At this, be provided with two clamping supports 21 and electric current guide rail 22, wherein, the latter also can be two ends of unique stamping parts/bool, on its second end, is configured with one or more

tulip shape contacts

17,18,19.

Particularly advantageous configuration plug 23 is used to realize that single or a plurality of first and second

multiple joint

8,9,10, the 11 mutual conductions connect.Configuration plug 23 not only can also can be inserted in the housing 1 after this laying before laying wiring unit with lead.

Configuration plug 23 has insulator 24, on the one of which side, optionally is configured with handle 25.

A side that deviates from handle 25 of configuration plug is provided with the protuberance 30 of finger-like, is furnished with

joint

26,27,28 above that.Wherein several joint constructions are the

knife contacts

26,27 that mutual here conduction connects.

Said configuration plug 23 can be mutually to import on 180 ° the diverse location and insert mouthful 14 neutralizations and be arranged in the

tulip shape contact

17,18,19 (Fig. 1 a and Fig. 1 b) under it at two.The laying that is caused by selected position is discerned through the arrow on mark on the housing top 3 and the configuration plug 23.

Insert layout and

multiple joint

8,9,10,11 the layout in lower housing portion 2 of mouth 14 in housing top 3 and carry out as follows, that is, single or a plurality of first and/or second multiple joint (is used W1, L3 here; V2, L2; U1, L1 and V2; U2; The W2 sign) interconnects with configuration plug 23, so that realize desired circuit separately each other in an electrically conductively.

Or rather, be provided with the first multiple joint 8 that first end is connected and conduction connects that is used for the U1 of branch road mutually of the joint lead L1 of AC network, L2, L3 and three-phase alternating current motor (not shown), V1, W1 here.In addition, be provided with the second

multiple joint

9,10,11 of the second end of the phase branch road U2 that is used to connect the three-phase alternating current motor, V2, W2 here.

On the primary importance of configuration plug 23; Second joint 17 of the first multiple joint 8 is connected with second joint, the 17 conduction ground of the second

multiple joint

9,10,11 respectively; Through following method; That is another

knife contacts

26,27 that, will dispose in second joint 17 that in the

knife contacts

26,27 of plug 23 one is inserted into the first multiple joint 8 respectively and will dispose plug 23 is inserted in second joint 17 of the second

multiple joint

9,10,11.

Thus; On the primary importance of configuration plug 23,

direct insertion joint

15,16 connections that the

direct insertion joint

15,16 that is provided with to the first end of the phase branch road U1 of three-phase alternating current motor, V1, W1 of the first multiple joint 8 is provided with the second end of the U2 of branch road mutually to the three-phase alternating current motor of the second

multiple joint

9,10,11, V2, W2.Therefore, the three-phase alternating current motor that is connected on the wiring unit connects up with triangle on the primary importance of configuration plug 23.Fig. 7 c, 7d are illustrated in the wiring unit on the primary importance, and wherein, the configuration plug 23 in Fig. 7 c only illustrates knife contacts 26,27.At this, Fig. 7 d illustrates the section D-D of passing Fig. 7 c.

On the contrary, on the second place of configuration plug 23, second joint 17 of the second

multiple joint

9,10,11 interconnects through the knife contacts that inserts configuration plug 23, thereby conduction ground connects the second end U2, V2, W2.Therefore, on this second place, the three-phase alternating current motor that is connected on the wiring unit connects up with star.Fig. 7 a, 7b are illustrated in the wiring unit on the second place, and wherein, the configuration plug 23 in Fig. 7 a only illustrates knife contacts 26,27.At this, Fig. 7 b illustrates the section C-C of passing Fig. 7 a.

Because between the second end of the phase branch road U2 of three-phase alternating current motor, V2, W2, only need two contact bridges in order to set up star circuit; Promptly one from W2 to V2 with another from V2 to U2; But then need three contact bridges in order to set up delta network; Be first from U1 to U2, second from V1 to V2, the 3rd from W1 to W2, so wiring unit is set as follows; That is, though to star circuit and the 3rd

unnecessary knife contacts

26,27 is inserted on the second place of configuration plug 23 and inserts in mouthfuls 14 that conduction connects.

Description for the preferred embodiment of front will be noted as follows,, also describe several preferred designs below in detail, but the present invention is not limited to these designs that is, but can in the scope of claim, change the ground design arbitrarily.Especially can not understand with limiting to as " on ", the perhaps notion of " back " of D score, " preceding ", but the corresponding arrangement that illustrates of reference only.In addition; When setting forth single component; Said assembly (if not mentioning in addition) also can consider in multiple design in principle, and in addition, the counter-rotating on shown arrangement and function method and the design of equivalence also fall into protection range.

Reference numerals list

Housing 1

Lower housing portion 2

Housing top 3

Bottom 4

Sidewall 5

Midfeather 6

Chamber 7

The first multiple joint 8

The second

multiple joint

9,10,11

Upper wall 12

Insert

mouth

13,14

Direct insertion joint

15,16

Tulip

shape contact

17,18,19

Clamping support 20

Fastening spring 21

Electric current guide rail 22

Configuration plug 23

Insulator 24

Handle 25

Joint 26,27,28

Knife

contacts

26,27

Protuberance 30

Claims

1. be used for electrical equipment particularly electro-motor be connected to the wiring unit on the alternating current system particularly; Said wiring unit has the have lower housing portion housing (1) of (2) and housing top (3); Wherein, In said housing (1), be furnished with a plurality of multiple joints (8,9,10,11); Second joint (17,18,19) that said multiple joint respectively has at least one or two or more terminals (15,16) and is connected with its conduction ground; It is characterized in that disposing plug (23), be used for conduction ground connection single or a plurality of said multiple joints (8,9,10,11) at least two different positions, so that realize at least two different circuits types.

2. wiring unit according to claim 1; It is characterized in that; Said configuration plug can be gone up from outer to said housing (1) and have contact, designs one or more said second joint (17,18,19) that said contact is used for being embedded into single or a plurality of said multiple joints (8,9,10,11).

3. wiring unit according to claim 1 and 2; It is characterized in that the contact of said configuration plug (23) is that second contact of knife contacts (26,27) and said multiple joint (23-24) is corresponding tulip shape contact (17,18,19).

4. according to the one or more described wiring unit in the aforementioned claim, it is characterized in that first joint construction is terminal (15,16), particularly is configured to direct insertion joint (Push-In).

5. according to the one or more described wiring unit in the aforementioned claim, it is characterized in that said direct insertion joint preferably respectively has clamping support (20) and remains on fastening spring (21) and the electric current guide rail (22) in the said clamping support.

6. according to the one or more described wiring unit in the aforementioned claim, it is characterized in that two said direct insertion joints are merged into a twin adapter.

7. according to the one or more described wiring unit in the aforementioned claim; It is characterized in that, in said housing (1), be provided with and be used for lead is inserted into the insertion mouth (13) of said terminal and is used to insert the insertion mouth (14) of the contact of said configuration plug (23).

8. according to the one or more described wiring unit in the aforementioned claim, it is characterized in that said configuration plug (23) can be mutually at two and be inserted on 180 ° the diverse location in the said insertion mouthful (14).

9. according to the one or more described wiring unit in the aforementioned claim; It is characterized in that; Said insertion mouthful (a 14) layout and the layout of said multiple joint (8,9,10,11) in said lower housing portion (2) in said housing top (3) carried out as follows; That is, first terminal of single or a plurality of said multiple joints and/or second terminal (being designated W1, L3, V2, L2, U1, L1 and V2, U2, W2) interconnect with said configuration plug (23) with conducting electricity.

10. wiring unit according to claim 9; It is characterized in that; The connection of conduction is carried out through following mode; That is, in the situation of the connection of electrical equipment such as AC electrical motor, can realize star circuit on the primary importance of said configuration plug (23) and on the second place of said configuration plug (23), realize delta network.