CN209981687U - Brush wire collector ring suitable for signal transmission - Google Patents
Brush wire collector ring suitable for signal transmission Download PDFInfo
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- CN209981687U CN209981687U CN201920877224.9U CN201920877224U CN209981687U CN 209981687 U CN209981687 U CN 209981687U CN 201920877224 U CN201920877224 U CN 201920877224U CN 209981687 U CN209981687 U CN 209981687U
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Abstract
The utility model relates to a brush silk collector ring suitable for signal transmission. Comprises a ring core component, a shell, more than one pair of brush wire components, an inner lead, an outer lead and an outer cylinder; the ring core assembly is coaxially arranged in the shell and can rotate; the ring core assembly comprises an inner shaft and a plurality of conducting rings; the improvement lies in that: two brush wire grooves are formed in the circumference of each conducting ring; the brush wire assembly comprises a fixing plate and six groups of brush wires; each group of brush wires comprises four brush wires, the four brush wires are divided into two pairs, the two pairs of brush wires are symmetrically welded on the fixing plate in an inverted splayed shape, and are respectively and correspondingly positioned in the brush wire grooves of the conducting rings to form an electric contact friction pair. When the electric brush works, the brush wire assembly is connected with external fixing equipment through an external lead, and the ring core assembly rotates to transmit an electric signal to internal rotating equipment through an internal lead. The electric contact friction pair of the utility model greatly reduces the axial size of the transmission channel, so that the whole volume of the collector ring can be reduced by more than 40%; the material abrasion is reduced, and the service life of the electric contact friction pair is prolonged by 3-5 years.
Description
Technical Field
The utility model mainly relates to a collector ring technical field, concretely relates to brush silk collector ring suitable for signal transmission.
Background
The traditional brush collector ring mainly realizes the stable transmission of power and signals by means of the sliding contact of the brush and the conducting ring. The current traditional brush collector ring has the following defects: 1) because the structure volume of the electric brush is larger, the more the transmission channels are, the larger the integral size of the collector ring is, which is not suitable for the occasion with small space requirement; 2) the electric brush is made of silver-based graphite, and in the sliding contact process of the electric brush and the conducting ring, the surface is easy to wear to generate powder, and the powder needs to be cleaned and maintained regularly, otherwise, the insulation resistance between the channels and the ground is reduced, and even the fault of the collector ring is caused, so that the safety of equipment is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem such as traditional brush collector ring is bulky, maintenance cycle is short, expense height, through institutional advancement, the utility model provides a brush silk collector ring suitable for signal transmission.
A brush wire collector ring suitable for signal transmission comprises a cylindrical ring core component 1, a base 2 with a central hole, a bearing 3, a tubular hollow shell 4, more than one pair of brush wire components 5, a flange-shaped pressing plate 6, an inner lead 7, an outer lead 8 and an outer barrel 9; the base 2 and the pressing plate 6 are respectively fixedly arranged at the two axial ends of the shell 4; the ring core assembly 1 is positioned in the shell 4, and one end of the ring core assembly 1 is fixedly connected with the base 2 through a bearing, so that the ring core assembly 1 rotates in the shell 4; more than one pair of brush wire assemblies are arranged outside the shell 4; the ring core assembly 1 mainly comprises an inner shaft 11, more than twenty-four conducting rings 12 and more than twenty-five insulating rings 13, wherein the more than twenty-four conducting rings 12 are sleeved on the inner shaft 11, and the insulating rings 13 are positioned between the adjacent conducting rings 12 to ensure the insulativity among signal channels.
The utility model discloses a main improvement lies in:
two brush wire grooves 121 are uniformly distributed on the circumference of the conducting ring 12;
the brush wire assembly 5 comprises six groups of brush wires and a fixing plate 51; each group of brush filaments comprises four brush filaments 52, the four brush filaments 52 are divided into two pairs, and each pair of brush filaments 52 is welded on the fixing plate 51 in an inverted splayed shape; the six groups of brush filaments are distributed along the fixed plate 51 at equal intervals and are in the same direction as the axial direction of the conducting ring 12;
the fixing plate 51 of the brush wire assembly 5 is fixedly connected with the housing 4, and a pair of brush wires 52 in each group of brush wires are respectively positioned in the two brush wire grooves 121 of the corresponding conductive ring 12, so that the brush wires 52 and the conductive rings 12 form elastic pressure contact;
in the pair of brush wire assemblies 5, six groups of brush wires in one brush wire assembly 5 respectively form an electric contact friction pair with twelve conducting rings 12, and six groups of brush wires in the other brush wire assembly 5 respectively form an electric contact friction pair with the other twelve conducting rings 12; when the pair of brush wire assemblies 5 are installed, the two fixing plates 51 are respectively and fixedly installed on two sides of the housing 4 relatively, and are staggered along the axial direction of the conductive ring 12, and the staggered distance is the distance between the pair of brush wires 52;
in operation, the brush wire assembly 5 is connected with an external fixing device through an external lead 8, and the ring core assembly 1 rotates and transmits an electric signal to an internal rotating device through an internal lead 7.
The technical scheme for further limiting is as follows:
the material of the brush filaments 52 is gold-nickel alloy (AuNi 9).
The diameter of the brush filaments 52 is 0.3 mm-1 mm.
The included angles alpha between the two sides of each pair of brush wires 52 and the fixing plate 51 are 50-65 degrees.
The brush wire groove is a V-shaped groove, the groove depth is 0.3mm, and the included angle of the groove opening is 45-60 degrees.
The conductive ring 12 is made of aluminum bronze alloy (QA 19), and the surface is silver plated.
Compare with traditional brush collector ring, the utility model discloses a following aspect is reflected in to useful technological effect:
1. the utility model discloses replace the brush with diameter 0.3 ~ 1 mm's thin brush silk, with the conducting ring contact, greatly reduced transmission path's axial length (size), the holistic volume of collector ring can reduce more than 40%.
2. By adopting a high-performance electric contact friction pair design technology, the electric contact material is a gold-nickel alloy (AuNi 9) material with higher wear resistance and conductivity, the material abrasion is reduced, and the service life of the electric contact friction pair is prolonged by 3-5 years.
3. The conducting ring is designed by adopting a V-shaped groove, so that the brush wire and the conducting ring are in contact without a gap in the rotating process; by adopting a redundancy backup design, double V-shaped grooves are processed on a single conducting ring, and two brush wires are matched with the double V-shaped grooves to realize sliding contact, so that axial offset and dislocation caused by factors such as vibration impact are avoided, and continuous and reliable transmission of signals is ensured.
4. The number of transmission channels can be flexibly configured according to specific use requirements, and the number of the channels can reach hundreds.
5. The utility model has the advantages of compact structure, long service life, high reliability, the specially adapted signal transmission.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a brush wire collector ring structure with an outer cylinder removed;
FIG. 3 is an exploded view of the brush wire bus ring;
FIG. 4 is a cross-sectional view of the construction of the ring core assembly;
FIG. 5 is a schematic view of a filament assembly;
FIG. 6 is a schematic structural diagram of an electrical contact friction pair;
FIG. 7 is a schematic diagram of a conductive ring structure;
FIG. 8 is an enlarged view of a portion of the conductive ring;
FIG. 9 is a schematic view of an assembly of a ring core assembly and a brush wire assembly according to an embodiment of the present invention;
FIG. 10 is a schematic view of a filament bus ring configuration having two pairs of filament assemblies;
FIG. 11 is an exploded view of a brush wire slip ring having two pairs of brush wire assemblies;
FIG. 12 is a cross-sectional view of a ring core assembly having two pairs of filament assemblies;
fig. 13 is a schematic view of the assembly of a ring core assembly with two pairs of filament assemblies and filament assemblies.
Sequence numbers in the upper figure: the device comprises a ring core component 1, a base 2 with a central hole, a bearing 3, a shell 4, a brush wire component 5, a pressure plate 6, an inner lead 7, an outer lead 8, an outer cylinder 9, a conducting ring 12, an inner shaft 11, an insulating ring 13, a fixing plate 51 and brush wires 52.
Detailed Description
The invention will now be further described by way of example with reference to the accompanying drawings.
Example 1
The number of transmission channels of the brush wire collector ring suitable for signal transmission is as follows: 24, can transmit the current 1A-2A.
Referring to fig. 1, 2 and 3, a brush wire collector ring suitable for signal transmission comprises a cylindrical ring core assembly 1, a base 2 with a central hole, a bearing 3, a tubular hollow shell 4, a pair of brush wire assemblies 5, a flange-shaped pressing plate 6, an inner lead 7, an outer lead 8 and an outer barrel 9. The base 2 and the pressing plate 6 are respectively and fixedly arranged at the two axial ends of the shell 4; ring core subassembly 1 is located shell 4, and the rotation of ring core subassembly 1 in shell 4 is realized to the one end of ring core subassembly 1 through bearing 3 and base 2 fixed connection. Referring to fig. 4, the ring core assembly 1 mainly includes an inner shaft 11, twenty-four conductive rings 12, twenty-five insulating rings 13, and the like, where the twenty-four conductive rings 12 are sleeved on the inner shaft 11, and the insulating rings 13 are installed between adjacent conductive rings 12 to ensure insulation between signal channels.
Referring to fig. 7 and 8, two brush wire grooves 121 are uniformly distributed on the circumference of the conductive ring 12; the brush silk groove is the V-arrangement groove, and the groove depth is 0.3mm, and the notch contained angle is 50 degrees.
The brush wire assembly 5 includes six sets of brush wires and a fixing plate 51. Referring to fig. 5 and 6, each group of brush filaments includes four brush filaments 52, the four brush filaments 52 are divided into two pairs, each pair of brush filaments 52 is welded on the fixing plate 51 in an inverted splayed shape, and the included angles α between the two sides of each brush filament 52 and the fixing plate 51 are both 55 degrees; the six groups of brush filaments are equidistantly distributed along the fixing plate 51 and are in the same direction as the axial direction of the conductive ring 12.
Referring to fig. 9, when the pair of filament assemblies 5 are mounted, two fixing plates 51 are respectively and fixedly mounted on two sides of the housing 4, and are staggered along the axial direction of the conductive ring 12 by the distance of the pair of filaments 52. The pair of brush filaments 52 in each group of brush filaments are respectively located in the two brush filament grooves 121 of the corresponding one of the conductive rings 12, so that the brush filaments 52 and the conductive rings 12 form elastic pressure contact. In the pair of brush wire assemblies 5, six groups of brush wires in one brush wire assembly 5 respectively form an electric contact friction pair with twelve conducting rings 12, and six groups of brush wires in the other brush wire assembly 5 respectively form an electric contact friction pair with the other twelve conducting rings 12.
The material of the brush filaments 52 is gold-nickel alloy (AuNi 9) with the diameter of 0.3 mm.
When the brush wire assembly works, the brush wire assembly is connected with external fixed equipment through an external lead 8, and the ring core assembly 1 rotates and transmits an electric signal to internal rotating equipment through an internal lead 7.
Example 2
The number of transmission channels of the brush wire collector ring suitable for signal transmission is as follows: 48, can transmit current 3A-5A.
Referring to fig. 10 and 11, a brush wire collector ring suitable for signal transmission comprises a cylindrical ring core assembly 1, a base 2 with a central hole, a bearing 3, a tubular hollow shell 4, two pairs of brush wire assemblies 5, a flange-shaped pressing plate 6, an inner lead 7, an outer lead 8 and an outer barrel 9. Referring to fig. 12, the ring-core assembly 1 mainly includes an inner shaft 11, forty-eight conductive rings 12, forty-nine insulating rings 13, and the like, wherein the forty-eight conductive rings 12 are sleeved on the inner shaft 11, and the insulating rings 13 are disposed between adjacent conductive rings 12.
Two brush wire grooves 121 are uniformly distributed on the circumference of the conductive ring 12, the brush wire grooves are V-shaped grooves, the groove depth is 0.5mm, and the included angle of the groove openings is 60 degrees.
The brush wire assembly 5 includes a fixing plate 51 and six sets of brush wires. Each group of brush wires comprises four brush wires 52, the four brush wires 52 are divided into two pairs, the brush wires 52 are symmetrically welded on the fixing plate 51 in an inverted splayed shape, and the included angles alpha between the two sides of the brush wires 52 and the fixing plate 51 are both 55 degrees; the six groups of brush filaments are equidistantly distributed along the fixing plate 51 and are in the same direction as the axial direction of the conductive ring 12.
Referring to fig. 13, when two pairs of brush wire assemblies 5 are installed, four fixing plates 51 are opposite to each other, and are respectively and fixedly installed on two sides of the housing 4, and are staggered along the axial direction of the conductive ring 12 by the distance of a pair of brush wires 52. The fixing plates 51 of the two pairs of filament assemblies 5 are fixedly mounted outside the housing 4, and a pair of filaments 52 in each set of filaments are respectively located in the two filament grooves 121 of a corresponding one of the conductive rings 12, so that the filaments 52 and the conductive rings 12 form elastic pressure contact. In the two pairs of brush wire assemblies 5, six groups of brush wires in two brush wire assemblies 5 respectively form an electric contact friction pair with twenty-four conducting rings 12, and six groups of brush wires in the other two brush wire assemblies 5 respectively form an electric contact friction pair with the other twenty-four conducting rings 12.
The other structure is the same as that of embodiment 1.
The material of the brush filaments 52 is gold-nickel alloy (AuNi 9) with the diameter of 0.5 mm.
When the brush wire assembly works, the brush wire assembly is connected with external fixed equipment through an external lead 8, and the ring core assembly 1 rotates and transmits an electric signal to internal rotating equipment through an internal lead 7.
Claims (6)
1. A brush wire collecting ring suitable for signal transmission comprises a cylindrical ring core assembly (1), a base (2) with a central hole, a bearing (3), a tubular hollow shell (4), more than one pair of brush wire assemblies (5), a flange-shaped pressing plate (6), an inner lead (7), an outer lead (8) and an outer barrel (9); the base (2) and the pressing plate (6) are respectively and fixedly arranged at two axial ends of the shell (4); the ring core assembly (1) is positioned in the shell (4), one end of the ring core assembly (1) is fixedly connected with the base (2) through the bearing (3), and the rotation of the ring core assembly (1) in the shell (4) is realized; more than one pair of brush wire components (5) are arranged outside the shell (4); the ring core assembly (1) comprises an inner shaft (11), more than twenty-four conducting rings (12) and more than twenty-five insulating rings (13), wherein the more than twenty-four conducting rings (12) are sleeved on the inner shaft (11), and the insulating rings (13) are positioned between the adjacent conducting rings (12), and the ring core assembly is characterized in that:
two brush wire grooves (121) are uniformly distributed on the circumference of the conducting ring (12);
the brush wire assembly (5) comprises six groups of brush wires and a fixing plate (51); each group of brush filaments comprises four brush filaments (52), the four brush filaments (52) are divided into two pairs, and each pair of brush filaments (52) is fixed on the fixing plate (51) in an inverted splayed shape; the six groups of brush filaments are distributed at equal intervals along the fixed plate (51) and are in the same direction as the axial direction of the conducting ring (12);
the fixing plate (51) of the brush wire assembly (5) is fixedly connected with the shell (4), and a pair of brush wires (52) in each group of brush wires are respectively positioned in two brush wire grooves (121) of a corresponding conducting ring (12), so that the brush wires (52) and the conducting rings (12) form elastic pressure contact;
in the pair of brush wire assemblies (5), six groups of brush wires in one brush wire assembly (5) respectively form an electric contact friction pair with twelve conducting rings (12), and six groups of brush wires in the other brush wire assembly (5) respectively form an electric contact friction pair with the other twelve conducting rings (12); when the pair of brush wire assemblies (5) are installed, the two fixing plates (51) are respectively and fixedly installed on the two sides of the shell (4) relatively and staggered along the axial direction of the conducting ring (12), and the staggered distance is the distance of the pair of brush wires (52);
when the brush wire assembly works, the brush wire assembly is connected with external fixing equipment through an external lead (8), the ring core assembly (1) rotates and transmits an electric signal to internal rotating equipment through an internal lead (7).
2. A brush wire bus ring adapted for signal transmission according to claim 1, wherein: the material of the brush filaments (52) is gold-nickel alloy (AuNi 9).
3. A brush wire bus ring adapted for signal transmission according to claim 1, wherein: the diameter of the brush filaments (52) is 0.3 mm-1 mm.
4. A brush wire bus ring adapted for signal transmission according to claim 1, wherein: the included angles between the two sides of each pair of brush wires (52) and the fixing plate (51) are 50-65 degrees.
5. A brush wire bus ring adapted for signal transmission according to claim 1, wherein: the brush wire groove (121) is a V-shaped groove, the groove depth is 0.3mm, and the included angle of the groove opening is 45-60 degrees.
6. A brush wire bus ring adapted for signal transmission according to claim 1, wherein: the conductive ring (12) is made of aluminum bronze alloy (QA 19), and the surface is processed by silver plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920877224.9U CN209981687U (en) | 2019-06-12 | 2019-06-12 | Brush wire collector ring suitable for signal transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920877224.9U CN209981687U (en) | 2019-06-12 | 2019-06-12 | Brush wire collector ring suitable for signal transmission |
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| Publication Number | Publication Date |
|---|---|
| CN209981687U true CN209981687U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920877224.9U Active CN209981687U (en) | 2019-06-12 | 2019-06-12 | Brush wire collector ring suitable for signal transmission |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190483A (en) * | 2019-06-12 | 2019-08-30 | 中国电子科技集团公司第三十八研究所 | A kind of brush filament collector ring suitable for signal transmission |
| CN113937584A (en) * | 2021-08-31 | 2022-01-14 | 北京航天控制仪器研究所 | Miniaturized high-reliability rotary multi-channel signal and power transmission device |
| WO2022042222A1 (en) * | 2020-08-24 | 2022-03-03 | 上海爱餐机器人(集团)有限公司 | Temperature detection apparatus of stir fry pan of stir fry machine, automatic stir fry pan apparatus, and smart stir fry machine |
-
2019
- 2019-06-12 CN CN201920877224.9U patent/CN209981687U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190483A (en) * | 2019-06-12 | 2019-08-30 | 中国电子科技集团公司第三十八研究所 | A kind of brush filament collector ring suitable for signal transmission |
| WO2022042222A1 (en) * | 2020-08-24 | 2022-03-03 | 上海爱餐机器人(集团)有限公司 | Temperature detection apparatus of stir fry pan of stir fry machine, automatic stir fry pan apparatus, and smart stir fry machine |
| CN113937584A (en) * | 2021-08-31 | 2022-01-14 | 北京航天控制仪器研究所 | Miniaturized high-reliability rotary multi-channel signal and power transmission device |
| CN113937584B (en) * | 2021-08-31 | 2024-06-11 | 北京航天控制仪器研究所 | Miniaturized high-reliability rotary multipath signal and power transmission device |
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