CN110854637A

CN110854637A - Conductive slip ring

Info

Publication number: CN110854637A
Application number: CN201911148901.4A
Authority: CN
Inventors: 游满员
Original assignee: Jiujiang Ingiant Technology Co Ltd
Current assignee: Jiujiang Ingiant Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-02-28
Also published as: WO2021098308A1

Abstract

The invention discloses a conductive slip ring, which comprises a shell, wherein a stator is arranged in the shell, the stator is connected with a rotor through a bearing, a plurality of conducting rings are uniformly distributed on the rotor, a plurality of conductive wires which are respectively in one-to-one correspondence with the conducting rings are arranged on the stator, one ends of the conductive wires are in sliding contact with the conducting rings, the other ends of the conductive wires are spirally bent into a spring structure and then are fixedly connected with the stator, an insulating ring is arranged between every two adjacent conducting rings, the insulating ring is fixedly connected with the rotor, a ring groove is formed in the insulating ring, a plurality of isolation plates which are respectively in one-to-one correspondence with the insulating rings are arranged on the stator, one side of each isolation plate is fixedly connected with. The spring structure can provide thrust for the conductive wire, so that the conductive wire is in close contact with the conductive ring in real time, the abrasion loss is automatically compensated, and the service life is prolonged.

Description

Conductive slip ring

Technical Field

The invention relates to the technical field of slip rings, in particular to a conductive slip ring.

Background

The conductive slip ring belongs to the application range of electric contact sliding connection, is also called as a collecting ring, or called as a rotary joint, a rotary electrical interface, a slip ring, a collecting ring and the like, and is a precise power transmission device for realizing image, data voltage and power transmission of two relative rotating mechanisms. It is particularly suitable for use in locations where unlimited continuous rotation is required, while power is delivered from a fixed position to a rotating position.

The conductive slip ring existing in the current market is basically composed of a stator and a rotor, an electric brush is fixed on the stator or the rotor and is in electrical contact with a corresponding conductive ring on the stator or the rotor, the rotor can rotate at a high speed during application, a brush wire and the conductive ring rub quickly, and the brush wire and the conductive ring are abraded during the rubbing process, so that poor contact between the brush wire and the conductive ring is caused, and the service life of the whole conductive slip ring is further influenced.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

In view of the above technical problems in the related art, the present invention provides a conductive slip ring, which elastically contacts a conductive ring through a conductive wire having a spring structure, so as to prevent the brush wire and the conductive ring from being worn and reducing the service life.

In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:

the utility model provides a conductive slip ring, includes the shell, be provided with the stator in the shell, the stator is connected with the rotor through the bearing, evenly distributed has a plurality of conducting rings on the rotor, be provided with on the stator a plurality of respectively with the conducting wire of conducting ring one-to-one, the one end of conducting wire with conducting ring sliding contact, after the other end spiral bending of conducting wire becomes spring structure with stator fixed connection, adjacent two be provided with the insulating ring between the conducting ring, insulating ring fixed connection be in on the rotor, the annular has been seted up on the insulating ring, be provided with on the stator a plurality of respectively in the division board of insulating ring one-to-one, one side fixed connection of division board is in on the stator, the opposite side of division board stretch into in the annular and with annular sliding fit.

Furthermore, a plurality of sleeves which respectively correspond to the conductive wires one to one are fixedly connected to the stator, and the spring structure is located in the sleeves.

Further, the stator comprises two end parts and a middle part which are distributed along the axial direction, and the conductive wire and the isolation plate are fixedly connected to the middle part.

Furthermore, the middle part is formed by splicing two parts which are symmetrically distributed relative to the axial plane.

Further, the annular groove is annular, and the annular groove and the rotor are coaxial.

Further, the insulating ring is in interference fit with the rotor through a central hole in the insulating ring.

Furthermore, the shell, the stator and the rotor are all made of insulating materials, and the bearing is made of ceramics.

The invention has the beneficial effects that: the spring structure can provide thrust for the conducting wire, so that the conducting wire is in close contact with the conducting ring in real time, the abrasion loss is automatically compensated, the service life is prolonged, and meanwhile, the influence of abrasive particles on the work of the conducting slip ring can be reduced as far as possible by the isolating plate and the ring groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a conductive slip ring according to an embodiment of the present invention.

In the figure:

1. a housing; 2. a stator; 3. a bearing; 4. a rotor; 5. conducting rings; 6. a conductive filament; 7. an insulating ring; 8. a separator plate; 9. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

As shown in fig. 1, the conductive slip ring according to the embodiment of the present invention includes a housing 1, a stator 2 is disposed in the housing 1, the stator 2 is connected to a rotor 4 through a bearing 3, a plurality of conductive rings 5 are uniformly distributed on the rotor 4, a plurality of conductive wires 6 respectively corresponding to the conductive rings 5 one by one are disposed on the stator 2, one end of each conductive wire 6 is in sliding contact with the conductive ring 5, the other end of each conductive wire 6 is spirally bent into a spring structure and then is fixedly connected to the stator 2, an insulating ring 7 is disposed between two adjacent conductive rings 5, the insulating ring 7 is fixedly connected to the rotor 4, an annular groove is formed on the insulating ring 7, a plurality of isolation plates 8 corresponding to the insulating rings 7 one by one are disposed on the stator 2, one side of the isolation plates 8 is fixedly connected to the stator 2, the other side of the isolation plate 8 extends into the annular groove and is in sliding fit with the annular groove.

In an embodiment of the present invention, a plurality of sleeves 9 corresponding to the conductive wires 6 one by one are fixedly connected to the stator 2, and the spring structure is located in the sleeves 9.

In one embodiment of the invention, the stator 2 comprises two axially distributed end portions and an intermediate portion, to which the conductive filaments 6 and the separator 8 are fixedly connected.

In a particular embodiment of the invention, the intermediate portion is formed by splicing two portions symmetrically distributed with respect to the axial plane.

In one embodiment of the invention, the ring groove is annular and is arranged coaxially with the rotor 4.

In one embodiment of the invention, the insulating ring 7 has an interference fit with the rotor 4 through a central hole therein.

In an embodiment of the present invention, the housing 1, the stator 2, and the rotor 4 are made of insulating materials, and the bearing 3 is made of ceramic.

In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.

The conductive slip ring comprises a shell 1, a stator 2, a bearing 3, a rotor 4, a conductive ring 5, conductive wires 6, an insulating ring 7, an isolation plate 8 and a sleeve 9.

The shell 1, the stator 2, the bearing 3 and the rotor 4 are all insulated, one group of conducting wires penetrates through a channel on the rotor 4 to be electrically connected with the conducting ring 5, and the other group of conducting wires penetrates through a channel on the rotor 4 to be electrically connected with the conducting wire 6.

Design into spring structure with conductive wire 6 to make conductive wire 6 have more elasticity allowances, under the normal condition, contact with conducting ring 5 after conductive wire 6 contracts, when the rotor is rotatory fast, conducting ring and conductive wire 6 take place the friction and produce wearing and tearing, thereby conductive wire 6 can kick-back and guarantee conductive wire 6's tip and conducting ring contact all the time with the compensation wearing and tearing volume, guarantee transmission voltage's stability, can satisfy high-pressure transmission's operation requirement. The sleeve 9 serves to guide the shrinkage rebound of the conductive yarn 6.

Still have division board 8 on the stator 2, when the slip ring during operation of leading electrically, can be blockked by division board 8 when the grit that produces because of wearing and tearing moves, prevent that the grit from moving wantonly and causing the emergence of the short circuit condition between the conducting ring 5, still have the annular on the insulating ring 7, the grit can fall into to adjacent conducting ring 5 motion in-process in the annular 13, falls at the insulating ring 7 along with rotor 4 pivoted in-process simultaneously and further avoids producing the short circuit condition because between two adjacent conducting rings 7 that the grit produced.

The stator 2 comprises two axially distributed end portions and an intermediate portion, to which the conductive filaments 6, the sleeve 9 and the partition plate 8 are adhesively connected. The middle part is formed by splicing two parts which are symmetrically distributed relative to the axial plane, so that the isolation plate 8 can be conveniently installed into the annular groove of the insulating ring 7.

In conclusion, by means of the technical scheme, the spring structure can provide thrust for the conductive wire, so that the conductive wire is in close contact with the conductive ring in real time, the abrasion loss is automatically compensated, the service life is prolonged, and meanwhile, the influence of abrasive particles on the work of the conductive slip ring can be reduced as much as possible by the isolating plate and the ring groove.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The conductive slip ring comprises a shell (1), wherein a stator (2) is arranged in the shell (1), the stator (2) is connected with a rotor (4) through a bearing (3), a plurality of conductive rings (5) are uniformly distributed on the rotor (4), the conductive slip ring is characterized in that a plurality of conductive wires (6) which are respectively in one-to-one correspondence with the conductive rings (5) are arranged on the stator (2), one end of each conductive wire (6) is in sliding contact with the conductive rings (5), the other end of each conductive wire (6) is spirally bent into a spring structure and then is fixedly connected with the stator (2), an insulating ring (7) is arranged between every two adjacent conductive rings (5), the insulating ring (7) is fixedly connected on the rotor (4), an annular groove is formed in the insulating ring (7), a plurality of isolation plates (8) which are respectively in one-to-one correspondence with the insulating ring (7) are arranged on the stator (2), one side fixed connection of division board (8) is in on stator (2), the opposite side of division board (8) stretch into in the annular and with annular sliding fit.

2. The conducting slip ring according to claim 1, characterized in that a number of bushings (9) corresponding to the conducting wires (6) one to one, respectively, are fixedly connected to the stator (2), the spring structure being located within the bushings (9).

3. Slip ring according to claim 1, characterised in that the stator (2) comprises axially distributed end portions and an intermediate portion, to which the wires (6) and the partition plate (8) are fixedly connected.

4. The conductive slip ring of claim 3, wherein the intermediate portion is formed by splicing two portions symmetrically disposed about the axial plane.

5. The conducting slip ring according to claim 1, characterized in that the ring groove is annular and is arranged coaxially to the rotor (4).

6. Conductive slip ring according to claim 1, characterized in that the insulating ring (7) is interference fitted with the rotor (4) through a central hole therein.

7. The conducting slip ring according to claim 1, characterized in that the housing (1), the stator (2) and the rotor (4) are made of insulating material, and the bearing (3) is made of ceramic material.