Double-code-channel absolute encoder

Abstract

The utility model belongs to the technical field of encoders, and particularly relates to a double-code-channel absolute encoder, which comprises a framework, a plurality of positioning holes are formed in one side of the framework, an annular groove is formed in one side of the framework, a heat dissipation assembly is arranged in the annular groove, an outer-side code channel and an inner-side code channel are fixedly connected to one side of the framework, and the outer-side code channel and the inner-side code channel are fixedly connected to the other side of the framework. According to the utility model, through the arrangement of the heat dissipation columns and the heat dissipation holes, when the double-motor-channel absolute encoder works, heat is transmitted to one side of the interior of the annular groove through the framework and then is transmitted to the heat dissipation columns through the annular groove, the heat dissipation columns are all made of aluminum alloy materials, the heat dissipation holes are formed in the outer side code channel, and the heat dissipation holes are formed in the outer side code channel. The double-code-channel absolute encoder has good heat conductivity and heat dissipation performance, external cold air enters the annular groove through the plurality of heat dissipation holes to cool the plurality of heat dissipation columns, and the probability of damage to the double-code-channel absolute encoder due to too high temperature is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of encoders, in particular to a dual-channel absolute encoder. Background Art

[0002] In the era of intelligent manufacturing, encoders will play a more important role in the intelligent manufacturing process. It will become one of the core technologies in the fields of robots, unmanned vehicles, the Internet of Things, etc., and promote the healthy development of the intelligent manufacturing industry.

[0003] However, in existing equipment, the dual-channel absolute encoder generates a large amount of heat when working. When the temperature is too high, the probability of damage to the dual-channel absolute encoder increases. For this reason, a dual-channel absolute encoder is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a dual-channel absolute encoder.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a dual-channel absolute encoder, including a skeleton, a plurality of positioning holes are opened on one side of the skeleton, an annular groove is opened on one side of the skeleton, a heat dissipation component is provided in the annular groove, and an outer code channel and an inner code channel are fixedly connected to one side of the skeleton.

[0006] As a further description of the above technical solution:

[0007] The outer code track is composed of a plurality of first rubber blocks and a plurality of first magnets alternately arranged in a ring shape.

[0008] As a further description of the above technical solution:

[0009] The inner code track is composed of a plurality of second rubber blocks and a plurality of second magnets alternately arranged in a ring shape.

[0010] As a further description of the above technical solution:

[0011] The heat dissipation assembly includes a plurality of heat dissipation columns fixedly connected in the annular groove, and each of the heat dissipation columns is made of aluminum alloy.

[0012] As a further description of the above technical solution:

[0013] A plurality of heat dissipation holes are provided on the inner side wall of the annular groove, and each of the heat dissipation holes passes through one side of the frame.

[0014] As a further description of the above technical solution:

[0015] An annular cover is fixedly connected to one side of the frame, and a ferrite coating is provided on the outer side wall of the annular cover.

[0016] As a further description of the above technical solution:

[0017] A buffer pad is fixedly connected to one side of the frame, and the buffer pad is made of rubber.

[0018] The utility model has the following beneficial effects:

[0019] 1. Compared with the existing technology, this dual-channel absolute encoder is used. By setting heat dissipation columns and heat dissipation holes, when the dual-channel absolute encoder is working, the heat is transferred to the inner side of the annular groove through the frame, and then transferred to multiple heat dissipation columns through the annular groove. The multiple heat dissipation columns are all made of aluminum alloy, which has good thermal conductivity and heat dissipation. Then, external cold air enters the annular groove through multiple heat dissipation holes to cool the multiple heat dissipation columns, which is beneficial to reduce the probability of damage to the dual-channel absolute encoder due to excessive temperature.

[0020] 2. Compared with the existing technology, the dual-channel absolute encoder is installed in the corresponding position by setting a buffer pad, etc. The buffering of the buffer pad is beneficial to reduce the probability of damage to the dual-channel absolute encoder due to squeezing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a first-perspective three-dimensional structural diagram of the dual-channel absolute encoder proposed in the utility model;

[0022] Figure 2 This is a second-view perspective schematic diagram of the three-dimensional structure of the dual-channel absolute encoder proposed in the present invention;

[0023] Figure 3 This is an exploded diagram of the dual-channel absolute encoder proposed in the present invention;

[0024] Figure 4 This is a plan view of the dual-channel absolute encoder proposed in the present invention;

[0025] Figure 5 This is an exploded view of the first rubber block and the first magnet of the dual-track absolute encoder proposed in the utility model.

[0026] Legend:

[0027] 1. Skeleton; 101. Cushion; 2. Positioning hole; 3. Outer code channel; 4. Inner code channel; 5. First rubber block; 501. First magnet; 6. Ring cover; 7. Second rubber block; 701. Second magnet; 8. Ring groove; 9. Heat dissipation assembly; 901. Heat dissipation column; 902. Heat dissipation hole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Reference Figures 1 to 5 The dual-track absolute encoder provided by the present invention includes a skeleton 1, a plurality of positioning holes 2 are opened on one side of the skeleton 1, an annular groove 8 is opened on one side of the skeleton 1, a heat dissipation component 9 is provided in the annular groove 8, an outer track 3 and an inner track 4 are fixedly connected to one side of the skeleton 1, the outer track 3 is a plurality of first rubber blocks 5 and a plurality of first magnets 501 alternately arranged in a ring, the inner track 4 is a plurality of second rubber blocks 7 and a plurality of second magnets 701 alternately arranged in a ring, an annular cover 6 is fixedly connected to one side of the skeleton 1, and a ferrite coating is provided on the outer wall of the annular cover 6. The ferrite coating has a protective effect, which helps to reduce the probability of corrosion of the annular cover 6.

[0030] In order to achieve the purpose of heat dissipation, the heat dissipation component 9 includes a plurality of heat dissipation columns 901 fixedly connected to the annular groove 8, each of the heat dissipation columns 901 is made of aluminum alloy, and a plurality of heat dissipation holes 902 are provided on the inner side wall of the annular groove 8, each of the heat dissipation holes 902 passes through one side of the skeleton 1. When the dual-channel absolute encoder is working, heat is transferred to the inner side of the annular groove 8 through the skeleton 1, and then transferred to the plurality of heat dissipation columns 901 through the annular groove 8. The plurality of heat dissipation columns 901 are made of aluminum alloy and have good thermal conductivity and heat dissipation. Then, external cold air enters the annular groove 8 through the plurality of heat dissipation holes 902 to cool the plurality of heat dissipation columns 901, which is beneficial to reducing the probability of damage to the dual-channel absolute encoder due to excessive temperature;

[0031] In order to achieve the purpose of buffering, a buffer pad 101 is fixedly connected to one side of the skeleton 1. The buffer pad 101 is made of rubber. The dual-channel absolute encoder is installed at the corresponding position. The buffering of the buffer pad 101 is beneficial to reduce the probability of damage to the dual-channel absolute encoder due to squeezing.

[0032] Working principle: Install the dual-channel absolute encoder in the corresponding position. The buffering of the buffer pad 101 is helpful to reduce the probability of damage to the dual-channel absolute encoder due to extrusion. When the dual-channel absolute encoder is working, the heat is transferred to the inner side of the annular groove 8 through the skeleton 1, and then transferred to the multiple heat dissipation columns 901 through the annular groove 8. The multiple heat dissipation columns 901 are all made of aluminum alloy and have good thermal conductivity and heat dissipation. Then, external cold air enters the annular groove 8 through multiple heat dissipation holes 902 to cool the multiple heat dissipation columns 901, which is helpful to reduce the probability of damage to the dual-channel absolute encoder due to excessive temperature.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A dual-channel absolute encoder comprising a skeleton (1), characterized in that: A plurality of positioning holes (2) are provided on one side of the frame (1), an annular groove (8) is provided on one side of the frame (1), a heat dissipation component (9) is provided in the annular groove (8), and an outer code channel (3) and an inner code channel (4) are fixedly connected to one side of the frame (1).

2. The dual-channel absolute encoder according to claim 1, characterized in that: The outer code track (3) is composed of a plurality of first rubber blocks (5) and a plurality of first magnets (501) alternately arranged in a ring shape.

3. The dual-channel absolute encoder according to claim 1, wherein: The inner code track (4) is composed of a plurality of second rubber blocks (7) and a plurality of second magnets (701) arranged alternately in a ring shape.

4. The dual-channel absolute encoder according to claim 1, wherein: The heat dissipation assembly (9) comprises a plurality of heat dissipation columns (901) fixedly connected in the annular groove (8), and each of the heat dissipation columns (901) is made of aluminum alloy.

5. The dual-channel absolute encoder according to claim 4, characterized in that: A plurality of heat dissipation holes (902) are provided on the inner side wall of the annular groove (8), and each heat dissipation hole (902) passes through one side of the frame (1).

6. The dual-channel absolute encoder according to claim 1, characterized in that: An annular cover (6) is fixedly connected to one side of the skeleton (1), and a ferrite coating is provided on the outer side wall of the annular cover (6).

7. The dual-channel absolute encoder according to claim 1, characterized in that: A buffer pad (101) is fixedly connected to one side of the skeleton (1), and the buffer pad (101) is made of rubber.

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