CN202454446U

CN202454446U - Switch

Info

Publication number: CN202454446U
Application number: CN2011205788569U
Authority: CN
Inventors: A·赖特; T·舒斯特
Original assignee: Maschinenfabrik Reinhausen GmbH
Current assignee: Maschinenfabrik Reinhausen GmbH; Scheubeck GmbH and Co
Priority date: 2010-11-30
Filing date: 2011-11-23
Publication date: 2012-09-26
Anticipated expiration: 2021-11-23
Also published as: DE202010016210U1

Abstract

The utility model relates to a switch which is used for realizing non-power switching between different winding taps of an adjustable transformer. The switch used in the adjustable transformer comprises a plurality of contact rods, contact devices, at least two fixing elements and a position display device. The contact rods surround a common longitudinal central axis at intervals in a mutually parallel manner, the contact devices capable of rotating relative to the contact rods are fixed on a switch shaft to be connected with the contact rods, the fixing elements are horizontally arranged at intervals and used for accommodating the multiple contact rods and the switch shaft. The switch is characterized in that the position display device is arranged on the switch and is provided with a number disc and a number retaining plate, wherein the number disc is fixed on the fixing elements, and the number retaining plate is fixed on the switch shaft and cannot rotate relative to the switch shaft.

Description

Transducer

Technical field

The utility model relates to a kind of transducer that inactivity ground switches between the different tappings of adjustable transformer that is used for.

Background technology

The loaded tap-off transducer of interruptedly under load, realizing with the switching nothing is opposite, and corresponding adjustable transformer must begin before disconnection fully and only switch just to allow to reclose after the end fully in switching in the transducer that is provided for switching.In known systems,, between rotary transducer and orthoscopic transducer, distinguish to some extent according to the mechanical realization of transducer.If hereinafter is mentioned transducer, just only be meant and describe rotary transducer.At this, the rotary transducer of same type is made up of around the contact rod of the longitudinal central axis line setting of central authorities and the switching shaft of central authorities a plurality of basically circularly, on this switching shaft, is fixed with contact making device.Contact making device is used to make two preferred contact rods adjacent one another are to electrically contact conducting, so that cause the conversion ratio of the qualification of the transformer that is connected with switching device shifter thus.

For fixing contact rod and in order to admit switching shaft in rotatable motion ground, the retaining element of known circular, these retaining elements are configured to planar or board-like.Being received in the vertical hole of passing retaining element of rotatable motion fixing or switching shaft of contact rod realized.Be provided with additional hole in addition, these holes are idle and allow to be included in insulating oil in the transducer and on the direction of longitudinal central axis line, pass retaining element and flow under the confined state of switching device shifter.

Usually, the product that has been installed by transducer conduct commonly known in the art consigns to the user and is installed in the existing adjustable transformer by the user scene.For this reason, the producer can enclose a operation instructions, and the assembling of this operation instructions record and description transducer can easily be implemented.The installation of transducer and adjustable transformer that is coupling couplet need be in each installation steps through in the different levels position of between the adjacent contact rod, switching the adjusting winding of connecting adjustable transformer on the transducer.During the assembling transducer, uncertain sometimes current which contact rod that is which tapping that should connect the adjusting winding of adjustable transformer of user, this just to make and can not to regulate transducer in order assembling.

The utility model content

From then on set out; The purpose of the utility model is; A kind of like this transducer is provided, in this transducer, fully guarantees: each in the process that transducer is assembled to adjustable transformer constantly can accurately be confirmed the tapping of current connection of the adjusting winding of switching position that is adjustable transformer with simple mode.

This purpose is to realize through a kind of transducer with the characteristic that is described below.The said transducer that is used for adjustable transformer according to the utility model has: a plurality of parallel, isolated and contact rods that be provided with around a common longitudinal central axis line circularly; With respect to the rotatable motion of contact rod and be fixed on a contact making device on the switching shaft, be used to connect contact rod; At least two flatly isolated each other retaining elements, these retaining elements are admitted said a plurality of contact rod and said switching shaft; It is characterized in that; On said transducer, be provided with a position indicator; This position indicator has a dial and a digital baffle plate, and said dial directly is fixed on the said retaining element, and said digital baffle plate can not be connected with said switching shaft with relatively rotating.

Total design by the utility model is; On transducer, be provided with a position indicator, this position indicator has a dial and a digital baffle plate, wherein; Dial directly is fixed on the retaining element, and digital baffle plate then can not be fixed on the switching shaft with relatively rotating.

At this; On digital baffle plate; The possible switching position of transducer is depicted on first radius more in the inner part, and the corresponding connection zone of corresponding switching position then can be identified on second radius more in the outer part through the indicating device of in the material of dial, leaving a blank.Be provided with one and the synergistic digital baffle plate of dial for this reason; In this numeral baffle plate, make a form divided into two parts; Said form manifests corresponding switching position and in second area, manifests the connection zone under the corresponding switching position by corresponding indicating device in the first area, and the remainder of dial is covered at this.

In the meantime, all the other possible switching positions are hidden by digital baffle plate, and user's attentiveness will only be directed on the current switching position like this.Just can find out quantitatively with qualitatively describing of corresponding switching position by this way via display divided into two parts at a glance; That is, not only together show as the switching position of absolute number but also as the corresponding connection zone of the corresponding switching position of quality index.

If for example switch to switching position 4 that is switch to fixed contact 4 from fixed contact 3 from switching position 3 through the contact making device of rotation switching shaft with transducer; The digital baffle plate that then can not be connected with switching shaft thereby also must rotate and after handoff procedure is accomplished, to show the switching position 4 and the connection under this switching position that are imprinted on the dial with digital form through its form divided into two parts regional with relatively rotating, and remaining switching position is covered now.Like this, constantly all can read corresponding switching position and thereby the tapping of the corresponding correspondence of the adjusting winding of adjustable transformer in each of assembling with simple mode.

A preferred embodiment according to the utility model; On said dial, be provided with first radius; On this first radius, describe possible switching position; And be provided with second radius, and this second radius forms the indicating device corresponding respectively with corresponding switching position, and said indicating device is through the material production of leaving a blank in said dial.

A preferred embodiment according to the utility model; Has a form divided into two parts with the synergistic digital baffle plate of said dial; Said form manifests corresponding switching position in the first area; And in second area, manifesting the connection zone under the corresponding switching position by corresponding indicating device, the remainder of said dial is then covered.

A preferred embodiment according to the utility model; First of the control band of the digital diagrammatic sketch on the dial used colour-coded with last possible switching position, thereby can find out the top and bottom of the control band of adjustable transformer with simple mode.

According to a preferred embodiment of the utility model, said position indicator is formed by electrical insulating material.

Description of drawings

Should combine accompanying drawing that the utility model is done further explanation by embodiment below.

In the accompanying drawings:

Fig. 1: be a end view by transducer commonly known in the art;

Fig. 2: be a detailed side view according to the part of the transducer of the utility model.

Embodiment

Fig. 1 illustrates an end view by the known transducer 1 of prior art.Transducer 1 has two retaining elements that essentially horizontally are spaced apart from each other 3.1 and 3.2, between these two retaining elements, be provided with a plurality of that extend along the longitudinal direction, around a common longitudinal central axis line setting and preferable configuration become the contact rod 4 of the conduction of tubulose.In the contact rod 4 of these preferred hollows each all forms a fixed contact and is connected via the corresponding tapping of its electrical connecting wire 5 separately with a same in the figure unshowned adjustable transformer at this, and said electrical connecting wire starts from clearly that reason only illustrates in the Background Region of transducer 1.In addition, between retaining element 3.1 and 3.2, medially be provided with the switching shaft 6 of central authorities in the inside of said a plurality of contact rods 4, on this switching shaft, be fixed with the contact making device 7 of a plurality of same configuration, these contact making devices form movable contact system.These a plurality of movable, be used to make two preferred adjacent each other fixing contact rods 4 to electrically contact conducting by the contact making device 7 of switching shaft 6 rotatably supports of central authorities, so that set up the conversion ratio that acts on the qualification of the adjustable transformer that is connected with transducer 1 thus.

The retaining element 3.1 that Fig. 2 illustrates the top of a transducer 1 connects the same position indicator 20 that is provided with according to the utility model.Perhaps, but also can expect, position indicator 20 is arranged on the retaining element 3.2 of bottom according to the essence of the utility model.Retaining element 3.1 has peristome section and pole portion section at this, causes the mechanical bearing capacity that improves in the time of the electric simulation strength of said pole portion's section and peristome Duan Zaigao.In addition, in retaining element 3.1, be provided with the opening 21 of the contact rod 4 that is used for holding hollow, but in this figure, saved these openings for reason clearly.Medially make the opening 22 that another holds switching shaft 6 with being used for rotatable motion in retaining element 3.1 inside.Position indicator 20 is formed by electrical insulating material, and has a dial 20.2 and a digital baffle plate 20.1 that can not be connected with switching shaft 6 that is fixed on the retaining element 3.1 with relatively rotating.At this; In the possible switching position 23 of on first radius more in the inner part, describing transducer 1 on the dial 20.2, and on second radius more in the outer part, can find out corresponding connection zone as the capability and performance of corresponding switching position 23 through the indicating device 24 of in the material of dial 20.2, leaving a blank.

As mating member; In digital baffle plate 20.1, make a form 25 divided into two parts; This form shows corresponding switching position 23 in first area 25.1, and in second area 25.2, also show corresponding switching position 23 whether be in wherein between in position that is the ideal zone.This just is such situation, that is, for corresponding switching position 23, affiliated indicating device 24 is centrally located in the second area 25.2 of form 25.The indicating device 24 that replacement is left a blank in the material of dial 20.2 equally also can be expected, colored zone is set, the centre position of the zone marker switching position 23 that this is colored on second radius more in the outer part of dial 20.2.In the meantime, remaining possible switching position 23 is configured to opaque digital baffle plate 20.1 and is hidden in other place, and user's attentiveness only is directed on the current switching position 23 like this.Via form 25 divided into two parts; Together show as the quality yardstick by indicating device 24 as absolute number but also its corresponding zone of connecting through switching position 23 not only, can make quantitatively with qualitatively corresponding switching position 23 in a simple manner and describing.

If the contact making device 7 of transducer 1 is for example switched to switching position 4 from switching position 3 through rotating switching shaft 6; The digital baffle plate 20.1 that then can not be connected with switching shaft 6 thereby also must rotate and after handoff procedure is accomplished, show the switching position 4 that is imprinted on digital form on the dial 20.2 via its form 25 divided into two parts with relatively rotating, and remaining switching position 23 and affiliated connection zone thereof are covered now.

Claims

1. be used for the transducer of adjustable transformer, have:

A plurality of parallel, isolated and contact rods that be provided with around a common longitudinal central axis line circularly;

With respect to the rotatable motion of contact rod and be fixed on a contact making device on the switching shaft, be used to connect contact rod;

At least two flatly isolated each other retaining elements, these retaining elements are admitted said a plurality of contact rod and said switching shaft;

It is characterized in that,

On said transducer (1), be provided with a position indicator (20), this position indicator has a dial (20.2) and a digital baffle plate (20.1),

Said dial (20.2) directly is fixed on the said retaining element (3.1 or 3.2), and

Said digital baffle plate (20.1) can not be connected with said switching shaft (6) with relatively rotating.

2. transducer according to claim 1 is characterized in that,

On said dial (20.2), be provided with first radius, on this first radius, describe possible switching position (23),

And be provided with second radius, and this second radius forms the indicating device (24) corresponding respectively with corresponding switching position (23), and said indicating device is through the material production of leaving a blank in said dial (20.2).

3. transducer according to claim 2 is characterized in that,

Has a form divided into two parts (25.1 and 25.2) with the synergistic digital baffle plate of said dial (20.2) (20.1); Said form manifests corresponding switching position (23) in first area (25.1); And in second area (25.2), manifesting the affiliated connection zone of corresponding switching position by corresponding indicating device (24), the remainder of said dial (20.2) is then covered.

4. according to the described transducer of one of claim 1 to 3, it is characterized in that,

First of control band on said dial (20.2) used colour-coded with last switching position (23).

5. according to the described transducer of one of claim 1 to 3, it is characterized in that,

Said position indicator (20) is formed by electrical insulating material.