TRANSFORMER TERMINAL

Abstract

The invention relates to a transformer terminal comprising: an insulating housing which has an integrally designed train body (1) and a cover (2) which can be detachably mounted on the main body (1); a mounting device which is formed on the insulating housing and is designed to mount the insulating housing on a transformer, a first electrical conductor connection (4) for a first potential, comprising a first electrical connection assembly (8) having a first bus bar (8a); a first spring-force clamping connection which is formed on first bus bar (8a) and is designed to clamp a first conductor for electrical connection to the first bus bar (8a); and a first winding wire connection (8c) for electrically connecting a first winding wire of the transformer to the bus bar (8a), the first winding wire connection (8c) being integrally moulded on the first bus bar (8a): and a second electrical conductor connection (5) for a second potential, which is different from the first potential, the first and second electrical conductor connections (4, 5) being electrically insulated from one another, the second electrical conductor connection comprising a second electrical connection assembly (9) tuning a second bus bar (9a); a second spring-force clamping connection (9b) which is formed on the second bus bar (9a) and is designed to clamp a second conductor for electrical connection to the second bus bar (9a): and a second winding wire connection (9c) for electrically connecting a second winding wire (9c) of the transformer to the bus bar (9a), the second winding wire connection (9c) being integrally moulded on the second bus bar (9a). The first electrical connection assembly (8) is arranged in a first installation space which is formed on the main body (1) in the region of a lateral face and has a first mounting opening toward said lateral face, and the second electrical connection assembly (9) is arranged in a second installation space (10b) which is formed on the main body (1) in the region of an opposite lateral face and has a second mounting opening (19b) toward said lateral face, the second installation space being separated front the first installation space.

Claims

1. Transformer terminal, comprising: an insulating housing, having an integrally designed main body, and a cover which is detachably mounted on the main body; a mounting device which is formed on the insulating housing and is configured to mount the insulating housing on a transformer; a first electrical conductor connection for a first potential, comprising a first electrical connection assembly having a first bus bar; a first spring-force clamping connection, which is formed on the first bus bar and is configured to clamp a first conductor for electrical connection to the first bus bar; and a first winding wire connection for electrically connecting a first winding wire of the transformer to the bus bar, the first winding wire connection being integrally moulded on the first bus bar; and a second electrical conductor connection for a second potential different from the first potential, the first and the second electrical conductor connections being electrically insulated from each other, the second electrical conductor connection comprising a second electrical connection assembly with a second bus bar: a second spring-force clamping connection which is formed on the second bus bar and is configured to clamp a second conductor for electrical connection to the second bus bar: and a second winding wire connection for electrically connecting a second winding wire of the transformer to the bus bar, the second winding wire connection being integrally moulded on the second bus bar; the first electrical connection assembly being arranged in a first installation space, which is formed on the main body in the region of a lateral face with a first mounting opening toward the lateral face, and the second electrical connection assembly being arranged in a second installation space which is formed on the main body in the region of an opposite lateral face with a second mounting opening toward the opposite lateral face and separated from the first installation space.

2. Transformer terminal according to claim 1, wherein the first and the second spring-force clamping connection are each designed as a socket spring connection.

3. Transformer terminal according to claim 1, wherein the first installation space is equippable with the first electrical connection assembly through the first mounting opening in the region of the lateral face, and the second installation space is equippable with the second electrical connection assembly through the second mounting opening in the region of the opposite lateral face.

4. Transformer terminal according to claim 1, further comprises a first spring of the first spring-force clamping connection in the first installation space at least partially encompasses a first support mandrel configured to prevent an overextension of the spring, and a second spring of the second spring-force clamping connection in the second installation space at least partially encompasses a second support mandrel configured to prevent an overextension of the spring.

5. Transformer terminal according to claim 1, wherein, the first and the second electrical connection assemblies are constructed identically, at least with regard to the following components: the bus bar, the spring-force clamping connection, and the winding wire connection.

6. Transformer terminal according to claim 1, wherein the first and the second winding wire connections are formed with a solder connection.

7. Transformer terminal according to claim 1, wherein the first and the second winding wire connections are arranged such that they are exposed when the cover is removed from the main body, wherein also an interspace between the first and the second winding wire connections is exposed.

8. Transformer terminal according to claim 7, wherein the cover comprises an internally projecting partition wall, which is arranged at least partially in the space when the cover is mounted on the main body and is configured to provide further electrical insulation.

9. Transformer terminal according to claim 1, wherein the main body contains an accommodation space, in which a cross-connector is arrangeable, with which the first and the second electrical conductor connections are electrically connectable.

10. Transformer terminal according to claim 1, wherein the mounting device comprises a plug-in device which is configured to plug the insulating housing on the transformer in a plug socket.

11. Transformer terminal according to claim 1, wherein the first and the second bus bar are each formed as a single-part bending component from a flat metal material.

12. Transformer terminal according to claim 1, wherein mutually assigned guides are formed on the main body and on the cover.

Description

DESCRIPTION OF EMBODIMENTS

[0019] In the following text, further embodiments will be explained with reference to the figures of drawing. In the drawing:

[0020] FIG. 1 is a schematic, perspective representation of an arrangement with components for a transformer terminal having two conductor connections which are electrically insulated from each other;

[0021] FIG. 2 is a schematic, perspective representation of a transformer terminal in which a cover is detached from the main body;

[0022] FIG. 3 is another schematic, perspective representation of the transformer terminal of FIG. 2 from the opposite side;

[0023] FIG. 4 is a schematic, perspective representation of the transformer terminal of FIGS. 2 and 3, wherein the cover is mounted on the main body;

[0024] FIG. 5 is a schematic representation of the transformer terminal of FIG. 4 from above and in cross-section along a line AA′, and FIG. 6 is a schematic representation of the transformer terminal of FIG. 4 from below.

[0025] FIG. 1 shows a schematic, perspective representation of components or elements of a transformer terminal. A main body 1 is provided, which together with a cover 2 forms an insulating housing 3.

[0026] A first and a second electrical conductor connection 4, 5 are formed on the main body 1, each being configured to receive a conductor end E through a first and a second socket opening 6, 7 (see cross-section diagram in FIG. 5) for electrical connection. A first and a second electrical connection assembly 8, 9, each comprising a bus bar 8a, 9a, a spring-force clamping connection 8b, 9b and a winding wire connection 8c, 9c, are assigned to the socket openings 6, 7. The spring-force clamping connection 8b, 9b is designed as a socket spring connection actuated by a spring 8d, 9d. When the conductor end (not shown) is inserted, it presses against the spring 8d, 9d and is plugged into an assigned opening 8e, 9e in the bus bar 8a, 9a, and then pressed against the bus bar 8a, 9a by means of the spring 8d, 9d.

[0027] The bus bars 8a, 9a are each integrally designed, in particular single parts, in the variant shown produced as bending parts from a flat metal material. In the lower region, the winding wire connections 8c, 9c are each constructed with a solder tail which is configured to allow the winding wires of a transformer (not shown) to be connected by soldering. As shown in

[0028] FIG. 2, the winding wire connections 8c, 9c are exposed when the first and the second electrical connection assemblies 8, 9 are assembled in an assigned first and second installation space 10a, 10b on the main body 1. This exposure makes it possible to connect the winding wires to the winding wire connections 8c, 9c by means of automated soldering. An interspace 11 between the winding wire connections 8c, 9c is also exposed before assembly of the cover 2. When the cover 2 is then arranged on the main body 1 (see FIG. 4), a partition wall 12, which is formed on the inside of the cover, slides between the winding wire connections 8c, 9c to complete the electrical insulation of the transformer terminal. Thus the partition wall 12 engages in a slot 13 on the main body 1 (see FIGS. 2, 3 and 6).

[0029] As shown in the diagrams of FIGS. 2 and 3, in the assembled position on the main body 1, the spring 8d, 9d encompasses a respective support mandrel 14a, 14b, which in the embodiment shown is formed with a teardrop shape. This serves as mechanical stabilisation for the spring 8d, 9d during operation, particularly in respect of overextension or overloading.

[0030] As shown in FIG. 1, the first and the second electrical connection assemblies 8, 9 may be mounted in the installation space 10a, 10b assigned to each either simultaneously or consecutively from opposite sides.

[0031] A mounting device 15 is provided on the main body 1 which is used to mount the transformer terminal on a transformer (not shown), for example by plugging.

[0032] As shown in FIG. 1, the main body 1 further comprises an accommodation space 16 for a cross-connector 17 so as to create an electrical connection between the first and the second electrical connection assemblies 8, 9 via the cross-connector 17 on demand. In this context, the accommodation space 16 may initially be designed and provided as an empty cavity. The cross-connector 17 may then be mounted as required by the application situation.

[0033] Guides 18a, 18b are provided on the main body 1 and on the cover 2 (see FIG. 2) and these engage when the cover 2 is mounted on the main body 1.

[0034] The first and the second connection assemblies 8, 9 are equipped from opposite sides of the main body 1 through a respective mounting opening 19a, 19b on the main body 1 (see FIG. 1), either at the same time or at different times.

[0035] The features disclosed in the preceding description, the claims and the drawing may be relevant either alone or in any combination for the realisation of the different embodiments.