Current collector ring with dustproof effect

Abstract

The utility model relates to a current collector ring technical field discloses a current collector ring with dustproof effect, the current collector ring of the utility model, include: fixed flange, center tube, slip ring subassembly, dustproof aluminium ring, fixed base, carbon brush, insulating base and dustproof insulating base, center tube is arranged on the fixed flange, slip ring subassembly includes: slip ring seat and copper ring, slip ring seat is sleeved on the center tube, copper ring is sleeved on the slip ring seat, dustproof aluminium ring is sleeved on the slip ring seat circumference outside, fixed base sets up on dustproof aluminium ring, carbon brush sets up on fixed base, and copper ring is adhered and perpendicular to copper ring, dustproof insulating base sets up on slip ring seat, the current collector ring of the utility model, dustproof insulating base will dustproof aluminium ring's bottom close, make copper ring be in closed space, dust, dust and oil stain etc.

Description

Technical Field

[0001] This utility model relates to the field of slip ring technology, specifically to a slip ring with dustproof effect. Background Technology

[0002] Some electrical components of production equipment, such as the dust removal mechanism of a circular knitting machine, require power from slip rings during operation. Slip rings consist of multiple copper rings and carbon brushes. The copper rings are connected to the rotor shaft and also electrically connected to an external power source. Multiple carbon brushes are mounted on a support, and a mechanical mechanism presses them against the copper rings to achieve electrical conductivity. Wires leading from the carbon brushes transfer electrical energy from the rotor to the stator, facilitating the power supply to the equipment components.

[0003] The inventors of this application have discovered that in current slip rings, dust, dirt, and other debris can easily enter the copper ring, causing poor contact between the carbon brush and the copper ring; and the contact surface between the carbon brush and the copper ring is prone to uneven wear due to uneven force, resulting in poor contact and affecting the conductivity of the copper ring. Summary of the Invention

[0004] The purpose of this invention is to provide a slip ring with dustproof effect to solve the problems in the background art.

[0005] This utility model embodiment provides a slip ring with dustproof effect, including: a fixed flange, a central tube, a slip ring assembly, a dustproof aluminum ring, a fixed base, a carbon brush, an insulating base, and a dustproof insulating chassis; The central tube passes through the fixed flange via a bearing; The slip ring assembly includes: a slip ring seat and a copper ring; The slip ring seat is made of insulating material and is sleeved on the central tube. Multiple copper rings are spaced apart and sleeved on the slip ring seat for connection to an external power source. The dustproof aluminum ring is fixed on the fixed flange and sleeved on the outer circumference of the slip ring seat. The central axis of the dustproof aluminum ring coincides with the central axis of the slip ring seat. The mounting base is mounted on the dustproof aluminum ring, and the carbon brush is mounted on the mounting base, fitting and abutting against the copper ring. The carbon brush is also perpendicular to the copper ring and is used for external power supply. The insulating base is fixedly sleeved on the central tube and abuts against the slip ring seat. The dustproof insulating chassis is set on the slip ring seat and is used to seal the dustproof aluminum ring.

[0006] Based on the above scheme, the dustproof slip ring of this utility model comprises a fixed flange, a central tube, a slip ring assembly, a dustproof aluminum ring, a fixed seat, a carbon brush, an insulating base, and a dustproof insulating chassis. The central tube passes through the fixed flange. The slip ring assembly includes a slip ring seat and copper rings. The slip ring seat is fitted onto the central tube, and multiple copper rings are spaced apart on the slip ring seat. The dustproof aluminum ring is fixedly fitted onto the outside of the slip ring seat. The fixed seat is set on the dustproof aluminum ring, and the carbon brush is set on the fixed seat, fitting and abutting against the copper rings, with the carbon brush perpendicular to the copper rings. The insulating base is fixedly fitted onto the central tube, and the dustproof insulating chassis is set on the slip ring seat to seal the dustproof aluminum ring. In this dustproof slip ring, the dustproof aluminum ring is fitted onto the outer circumference of the slip ring seat, and the dustproof insulating chassis seals the bottom of the dustproof aluminum ring, placing the copper ring in a sealed space. The carbon brush is mounted on the dustproof aluminum ring via a mounting bracket, fitting snugly against the surface of the copper ring. This prevents dust, dirt, oil, and other debris from entering the enclosed space, ensuring good contact between the carbon brush and the copper ring. The carbon brush's mounting on the bracket, its contact with the copper ring, and its perpendicularity prevent uneven wear. Furthermore, the mounting bracket fixes the contact position between the carbon brush and the copper ring, preventing brush vibration and other issues.

[0007] One feasible solution also includes: a fixed plate and a spring; The mounting base is provided with a stepped mounting through hole; The spring is inserted into the mounting hole of the step, and its two ends are connected to the fixing plate and the carbon brush, respectively.

[0008] In one feasible solution, it also includes: a first electrical connection terminal; The step mounting through hole is provided with an internal thread, and the first electrical connection terminal engages with the step mounting through hole and abuts against the fixed plate to adjust the tension of the spring.

[0009] In one feasible solution, a plurality of second electrical connection terminals are provided on the fixed flange; One end of the second electrical connection terminal is electrically connected to the first electrical connection terminal, and the other end is used for power supply.

[0010] In one feasible embodiment, the inner surface of the carbon brush is arc-shaped, and the arc of the inner surface of the carbon brush corresponds to the circumferential sidewall of the copper ring.

[0011] One feasible solution also includes: a dust removal component; The dust removal assembly includes: a fixing plate and a brush; The dustproof aluminum ring has a window, the fixing plate is set at the window of the dustproof aluminum ring, and the brush is set on the fixing plate and is in contact with the surface of the copper ring.

[0012] In one feasible solution, the dustproof aluminum ring is provided with a limiting groove; The fixing seat is embedded in the limiting groove.

[0013] In one feasible solution, the bottom surface of the dustproof aluminum ring is provided with an annular groove; The dustproof and insulating chassis is provided with a protruding slider, which is slidably embedded in the annular groove.

[0014] One feasible solution also includes: an outer casing and a rotor mounting plate; The rotor mounting plate is fixed to the insulating base; The outer casing is fitted over the outside of the dustproof aluminum ring and fixed on the rotor mounting plate, with its top end abutting against the fixing flange.

[0015] In one feasible solution, the rotor mounting plate is provided with a plurality of third electrical connection terminals; One end of each of the plurality of third electrical connection terminals is electrically connected to one of the plurality of copper rings, and the other end is used for electrical connection to an external power source; The fixed flange is provided with a protruding retaining ring to block the outer casing.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The dustproof aluminum ring is fitted over the slip ring seat and the copper ring to keep them concentric and maintain a consistent distance between them. The dustproof and insulated chassis seals the bottom of the dustproof aluminum ring. The carbon brush is mounted on a fixed seat, fitting snugly against and perpendicular to the copper ring, ensuring stable contact between the carbon brush and the copper ring during machine operation.

[0017] 2. The mounting bracket allows the carbon brush to remain outside the center of the copper ring, and the pressure spring of the carbon brush can be adjusted through the first electrical connection terminal to better fit the copper ring with appropriate tension; and the carbon brush can be removed by unscrewing the first electrical connection terminal, making carbon brush replacement more convenient.

[0018] 3. The inner end face of the carbon brush is a crescent-shaped arc, which can better fit the surface of the copper ring.

[0019] 4. Windows are provided on the front and back sides of the dustproof aluminum ring to install copper ring dust removal brushes, which can help clean the surface of the copper ring and prevent carbon brush powder from adhering to the surface of the copper ring. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of a dustproof slip ring in an embodiment of the present invention; Figure 2 This is a cross-sectional schematic diagram of the collector ring in an embodiment of the present utility model; Figure 3 As described in the embodiments of this utility model Figure 2 A magnified view of a portion of the image; Figure 4 This is a schematic diagram of the installation of the carbon brush in an embodiment of the present utility model; Figure 5 This is a schematic diagram of the dust removal component in an embodiment of the present utility model.

[0022] Numbering on the map: 1. Fixed flange; 11. Second electrical connection terminal; 12. Protruding retaining ring; 2. Central tube; 21. Bearing; 3. Slip ring assembly; 31. Slip ring seat; 32. Copper ring; 4. Dustproof aluminum ring; 41. Limiting groove; 42. Annular slide groove; 51. Fixed seat; 511. Stepped mounting through hole; 52. Carbon brush; 53. Fixed plate; 54. Spring; 55. First electrical connection terminal; 61. Insulating base; 62. Dustproof insulating chassis; 621. Protruding slider; 7. Dust removal assembly; 71. Fixed plate; 72. Brush; 81. Outer housing; 82. Rotor fixed plate; 821. Third electrical connection terminal. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] The technical solution of this utility model will be described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0027] As described in the background section of this application, some electrical components of production equipment require power to be drawn from a slip ring during operation. The slip ring includes multiple copper rings and carbon brushes. The copper rings are connected to the rotor shaft and are also electrically connected to an external power source. Multiple carbon brushes are mounted on a support, and a mechanical mechanism presses the carbon brushes onto the copper rings to achieve electrical conduction. Wires are led out from the carbon brushes to transfer electrical energy from the rotor to the stator, facilitating the power supply to the equipment components.

[0028] The inventors of this application have discovered that in current slip rings, dust, oil, and other debris can easily enter the copper ring, causing poor contact between the carbon brush and the copper ring; and the contact surface between the carbon brush and the copper ring is prone to uneven wear due to uneven force, resulting in poor contact and affecting the conductivity of the copper ring.

[0029] To address the aforementioned problems, the inventors of this application have proposed a technical solution, the specific embodiments of which are as follows: Figure 1 This is a schematic diagram of a dustproof slip ring according to an embodiment of the present invention. Figure 2 This is a cross-sectional schematic diagram of the slip ring in an embodiment of the present invention. Figure 3 As described in the embodiments of this utility model Figure 2A magnified view of a portion of the image. Figure 4 This is a schematic diagram of the carbon brush installation in an embodiment of this utility model. Figure 5 This is a schematic diagram of the dust removal component in an embodiment of the present utility model.

[0030] like Figures 1 to 5 As shown, the dustproof slip ring of this embodiment includes: a fixed flange 1, a central tube 2, a slip ring assembly 3, a dustproof aluminum ring 4, a fixed base 51, a carbon brush 52, an insulating base 61, and a dustproof insulating chassis 62.

[0031] The fixed flange 1 is fixed on the hexagonal plate of the large circular knitting machine, and the central tube 2 is passed through the fixed flange 1 via the bearing 21, so that the central tube 2 can rotate freely relative to the fixed flange 1.

[0032] The slip ring assembly 3 includes a slip ring seat 31 and a copper ring 32.

[0033] The slip ring seat 31 is made of insulating material and is fixedly sleeved on the circumferential side wall of the central tube 2. The central axis of the slip ring seat 31 coincides with the central axis of the central tube 2.

[0034] Multiple copper rings 32 (five in total) are provided. The copper rings 32 are fitted onto the circumferential sidewall of the slip ring seat 31 and embedded in the groove of the slip ring seat 31, thus fixing the copper rings 32 axially. The multiple copper rings 32 are evenly distributed at intervals along the axial direction of the slip ring seat 31. The copper rings 32 are connected to an external power source through wires, making the copper rings 32 conductive.

[0035] The top of the dustproof aluminum ring 4 is fixed to the fixed flange 1, and the dustproof aluminum ring 4 is sleeved on the outer circumference of the slip ring seat 31. There is a certain distance between the dustproof aluminum ring 4 and the slip ring seat 31, and the dustproof aluminum ring 4 covers and shields the slip ring seat 31 and the copper ring 32. The central axis of the dustproof aluminum ring 4, the central axis of the slip ring seat 31, and the central axis of the central tube 2 are aligned with each other.

[0036] The fixing seat 51 is set on the circumferential side wall of the dustproof aluminum ring 4, and multiple fixing seats 51 can be set.

[0037] Multiple carbon brushes 52 are provided, each mounted on a fixed base 51. The inner end of each carbon brush 52 is in contact with and abuts against the surface of the copper ring 32 on the slip ring seat 31, and the carbon brush 52 is perpendicular to the copper ring 32. The outer end of each carbon brush 52 is used to connect to a wire to draw out power, thereby supplying power to other components of the large circular knitting machine or providing electrical signals. Of course, multiple carbon brushes 52 can be arranged at intervals along the circumference of each copper ring 32.

[0038] An insulating base 61 is fitted onto the circumferential side wall of the central tube 2 and fixed with screws. The top of the insulating base 61 abuts against the slip ring seat 31, fixing the slip ring seat 31 to the central tube 2 and preventing the slip ring seat 31 from sliding axially.

[0039] The dustproof and insulating base 62 is sleeved on the outer circumference of the slip ring seat 31, and the inner side of the dustproof and insulating base 62 is fixed on the slip ring seat 31. The outer side of the dustproof and insulating base 62 contacts and abuts against the bottom surface of the dustproof aluminum ring 4. The dustproof and insulating base 62 seals the bottom of the dustproof aluminum ring 4, so that the slip ring seat 31 and the copper ring 32 are in a closed space.

[0040] In this embodiment, a copper ring is fitted onto the slip ring seat, and a dustproof aluminum ring is fitted onto the outer circumference of the slip ring seat. A dustproof and insulating base seals the bottom of the dustproof aluminum ring, placing the copper ring within a closed space and preventing dust, powder, oil, and other debris from entering. The carbon brush is mounted on the dustproof aluminum ring via a fixing seat, fitting and abutting against the surface of the copper ring to ensure good contact between the carbon brush and the copper ring. The carbon brush's placement on the fixing seat, fitting against the copper ring and remaining perpendicular, prevents uneven wear. Furthermore, the fixing seat secures the contact position between the carbon brush and the copper ring, preventing brush vibration and other issues.

[0041] As can be seen from the above, the dustproof slip ring of this embodiment comprises a fixed flange, a central tube, a slip ring assembly, a dustproof aluminum ring, a fixed seat, a carbon brush, an insulating base, and a dustproof insulating chassis. The central tube passes through the fixed flange. The slip ring assembly includes a slip ring seat and copper rings. The slip ring seat is fitted onto the central tube, and multiple copper rings are spaced apart on the slip ring seat. The dustproof aluminum ring is fixedly fitted onto the outside of the slip ring seat. The fixed seat is positioned on the dustproof aluminum ring, and the carbon brush is positioned on the fixed seat, fitting and abutting against the copper rings, with the carbon brush perpendicular to the copper rings. The insulating base is fixedly fitted onto the central tube, and the dustproof insulating chassis is positioned on the slip ring seat to seal the dustproof aluminum ring. In this embodiment, the dustproof aluminum ring is fitted onto the outer circumference of the slip ring seat, and the dustproof insulating chassis seals the bottom of the dustproof aluminum ring, placing the copper ring within a sealed space. The carbon brush is mounted on the dustproof aluminum ring via a mounting bracket, fitting snugly against the surface of the copper ring. This prevents dust, dirt, oil, and other debris from entering the enclosed space, ensuring good contact between the carbon brush and the copper ring. The carbon brush's mounting on the bracket, its contact with the copper ring, and its perpendicularity prevent uneven wear. Furthermore, the mounting bracket fixes the contact position between the carbon brush and the copper ring, preventing brush vibration and other issues.

[0042] Optionally, the dustproof slip ring in this embodiment further includes: a fixing disk 53 and a spring 54.

[0043] The fixing seat 51 is fixed to the outer circumference of the dustproof aluminum ring 4 by screws, and the protrusion of the fixing seat 51 passes through the through hole of the dustproof aluminum ring 4. The fixing seat 51 is provided with a stepped mounting through hole 511 in the horizontal direction.

[0044] The left and right ends of the spring 54 are fixedly connected to the fixed plate 53 and the carbon brush 52, respectively.

[0045] Spring 54 is inserted into the stepped mounting through hole 511 of fixed seat 51, so that fixed plate 53 is fixed on fixed seat 51. The inner end of carbon brush 52 extends out of the stepped mounting through hole 511 of fixed seat 51 and abuts against the surface of copper ring 32 on slip ring seat 31.

[0046] Furthermore, the dustproof slip ring in this embodiment also includes a first electrical connection terminal 55.

[0047] The stepped mounting through hole 511 of the fixed base 51 has an internal thread at the large end of the step. The first electrical connection terminal 55 is engaged in the stepped mounting through hole 511 of the fixed base 51. The inner end face of the first electrical connection terminal 55 abuts against the fixed plate 53 located in the stepped mounting through hole 511. The inner end of the first electrical connection terminal 55 is electrically connected to the carbon brush 52, and the outer end is used to connect to the wire to lead out the power supply.

[0048] In this embodiment, the first electrical connection terminal abuts against the fixed plate, keeping the spring in a compressed state. As the slip ring seat and copper ring rotate, the friction between the carbon brush and the copper ring gradually releases the spring pressure, ensuring that the carbon brush and the copper ring always remain in close contact. Rotating the first electrical connection terminal can adjust the spring tension; and after unscrewing the first electrical connection terminal, the carbon brush can be removed from the fixed seat, facilitating the replacement and maintenance of the carbon brush.

[0049] Furthermore, in this embodiment, the dustproof slip ring has multiple second electrical connection terminals 11 on the fixed flange 1.

[0050] The second electrical connection terminal 11 is mounted on the fixed flange 1. The inner end of the second electrical connection terminal 11 is electrically connected to the first electrical connection terminal 55, and the outer end of the second electrical connection terminal 11 is used to supply power to external components.

[0051] Optionally, in this embodiment, the dustproof slip ring has a crescent-shaped inner end face of the carbon brush 52. The curvature of the carbon brush 52's arc end face corresponds to the curvature of the circumferential sidewall of the copper ring 32, so that the inner end face of the carbon brush 52 is completely attached to the circumferential sidewall of the copper ring 32, achieving better adhesion between the carbon brush 52 and the copper ring 32.

[0052] Optionally, the dust-proof slip ring in this embodiment further includes a dust removal component 7.

[0053] The dust removal assembly 7 includes: a fixing plate 71 and a brush 72.

[0054] The brush 72 is mounted on the fixed plate 71.

[0055] The dustproof aluminum ring 4 has windows on its front and rear side walls. The fixing plate 71 is mounted on the dustproof aluminum ring 4, located at the windows of the dustproof aluminum ring 4, and makes the brushes 72 on the fixing plate 71 contact the surface of the copper ring 32 on the slip ring seat 31. Of course, the number of brushes 72 corresponds to the number of copper rings 32.

[0056] When the slip ring seat 31 and the copper ring 32 rotate, the contact friction between the carbon brush 52 and the copper ring 32 will cause carbon powder to fall off. With prolonged use, carbon powder may accumulate on the surface of the copper ring 32, causing sparking. In this embodiment, a brush is added. When the copper ring rotates, the brush will sweep away the carbon powder adhering to the surface of the copper ring, preventing carbon powder from adhering to the surface of the copper ring and causing sparking.

[0057] Optionally, in this embodiment, the dustproof slip ring has a limiting groove 41 on the circumferential side wall of the dustproof aluminum ring 4, and the fixing seat 51 is embedded in the limiting groove 41 of the dustproof aluminum ring 4, so that the fixing seat 51 is positioned on the dustproof aluminum ring 4 and the fixing seat 51 is more stable.

[0058] Optionally, in this embodiment, the dustproof slip ring 4 has an annular groove 42 on its bottom surface.

[0059] The outer end of the dustproof and insulating chassis 62 is provided with a protruding slider 621. The protruding slider 621 of the dustproof and insulating chassis 62 can be slidably embedded in the annular groove 42 of the dustproof aluminum ring 4, so that the space between the dustproof aluminum ring 4 and the slip ring seat 31 is sealed.

[0060] Furthermore, the dustproof slip ring in this embodiment also includes an outer housing 81 and a rotor fixing disk 82.

[0061] The rotor fixing disk 82 is sleeved on the central tube 2, and the inner side of the rotor fixing disk 82 is fixed to the bottom surface of the insulating base 61 by screws.

[0062] The outer casing 81 is fitted around the outer circumference of the dustproof aluminum ring 4, with a certain distance between the outer casing 81 and the dustproof aluminum ring 4. The bottom end of the outer casing 81 is fixed on the rotor fixing plate 82, and the top end of the outer casing 81 abuts against the bottom surface of the fixing flange 1.

[0063] In this embodiment, the outer casing is fixed to the insulating base by the rotor fixing plate and is fitted around the outer circumference of the dustproof aluminum ring. The outer casing rotates together with the central tube. When the large circular knitting machine is running, the outer casing can effectively prevent large particles of dust and debris such as cotton wool, particulate matter, and yarn from entering the slip ring.

[0064] Furthermore, in this embodiment, the dustproof slip ring has multiple third electrical connection terminals 821 on the rotor fixing disk 82.

[0065] Multiple third electrical connection terminals 821 are mounted on the rotor mounting plate 82. The inner ends of the third electrical connection terminals 821 are electrically connected to multiple copper rings 32 respectively, and the outer ends of the third electrical connection terminals 821 are used for electrical connection with an external power source.

[0066] The bottom of the fixed flange 1 is provided with a protruding retaining ring 12, which forms a block on the outer housing 81 to prevent the top of the outer housing 81 from sliding out of the bottom surface of the fixed flange 1.

[0067] In this utility model, unless otherwise explicitly specified and limited, the first feature being "on" or "below" the second feature can mean that the first feature and the second feature are in direct contact, or that the first feature and the second feature are in indirect contact through an intermediate medium.

[0068] Furthermore, "above," "on top of," and "above" the first feature in relation to the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "under," and "beneath" the first feature in relation to the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0069] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A slip ring with dustproof effect, characterized in that, include: Fixed flange, center tube, slip ring assembly, dustproof aluminum ring, mounting base, carbon brush, insulating base and dustproof insulating chassis; The central tube passes through the fixed flange via a bearing; The slip ring assembly includes: a slip ring seat and a copper ring; The slip ring seat is made of insulating material and is sleeved on the central tube. Multiple copper rings are spaced apart and sleeved on the slip ring seat for connection to an external power source. The dustproof aluminum ring is fixed on the fixed flange and sleeved on the outer circumference of the slip ring seat. The central axis of the dustproof aluminum ring coincides with the central axis of the slip ring seat. The mounting base is mounted on the dustproof aluminum ring, and the carbon brush is mounted on the mounting base, fitting and abutting against the copper ring. The carbon brush is also perpendicular to the copper ring and is used for external power supply. The insulating base is fixedly sleeved on the central tube and abuts against the slip ring seat. The dustproof insulating chassis is set on the slip ring seat and is used to seal the dustproof aluminum ring.

2. The dustproof slip ring according to claim 1, characterized in that, Also includes: Fixed disc and spring; The mounting base is provided with a stepped mounting through hole; The spring is inserted into the mounting hole of the step, and its two ends are connected to the fixing plate and the carbon brush, respectively.

3. The dustproof slip ring according to claim 2, characterized in that, Also includes: First electrical connection terminal; The step mounting through hole is provided with an internal thread, and the first electrical connection terminal engages with the step mounting through hole and abuts against the fixed plate to adjust the tension of the spring.

4. The dustproof slip ring according to claim 3, characterized in that, The fixed flange is provided with multiple second electrical connection terminals; One end of the second electrical connection terminal is electrically connected to the first electrical connection terminal, and the other end is used for power supply.

5. The dustproof slip ring according to claim 1, characterized in that, The inner surface of the carbon brush is arc-shaped, and the arc of the inner surface of the carbon brush corresponds to the circumferential sidewall of the copper ring.

6. The dustproof slip ring according to claim 1, characterized in that, Also includes: Dust removal components; The dust removal assembly includes: a fixing plate and a brush; The dustproof aluminum ring has a window, the fixing plate is set at the window of the dustproof aluminum ring, and the brush is set on the fixing plate and is in contact with the surface of the copper ring.

7. The dustproof slip ring according to claim 1, characterized in that, The dustproof aluminum ring is provided with a limiting groove; The fixing seat is embedded in the limiting groove.

8. The dustproof slip ring according to claim 1, characterized in that, The bottom surface of the dustproof aluminum ring is provided with an annular groove; The dustproof and insulating chassis is provided with a protruding slider, which is slidably embedded in the annular groove.

9. The dustproof slip ring according to any one of claims 1 to 8, characterized in that, Also includes: Outer casing and rotor mounting plate; The rotor mounting plate is fixed to the insulating base; The outer casing is fitted over the outside of the dustproof aluminum ring and fixed on the rotor mounting plate, with its top end abutting against the fixing flange.

10. The dustproof slip ring according to claim 9, characterized in that, The rotor mounting plate is provided with multiple third electrical connection terminals; One end of each of the plurality of third electrical connection terminals is electrically connected to one of the plurality of copper rings, and the other end is used for electrical connection to an external power source; The fixed flange is provided with a protruding retaining ring to block the outer casing.

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