Rotary shaft angle encoder

Abstract

The utility model discloses a rotary shaft angle encoder, which comprises a sensor, vent holes, a circuit board, a motor electrode, a fixable supporting protective cover structure and an adjustable protective vent pipe structure, and the periphery of the outer wall of the sensor is provided with the vent holes respectively. The circuit board, the fixing cover, the air inlet hole, the filter screen piece, the supporting block and the supporting frame are arranged in a matched mode, the circuit board can be fixed in the left end of the supporting frame in the using process, supporting and protecting work of the circuit board can be conveniently conducted in the using process, and the purpose of preventing the circuit board from being damaged in the working process is achieved; and the sensor, the ventilation hole, the sleeving pipe, the inserting block, the ventilation pipe and the protection pipe are arranged in a matched mode, cooling protection work can be conveniently conducted in the using process through a cooling fan arranged in the ventilation pipe, and the purpose of preventing work from being affected after the temperature is too high in the using process is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of encoder equipment, and in particular relates to a rotary shaft angle encoder. Background Art

[0002] At present, there are two main methods for measuring shaft angle position and angular velocity. 1. Photoelectric encoder. Since the photoelectric encoder disk is also rotating, it is sometimes called a rotary encoder. The photoelectric encoder disk is used to achieve incremental or absolute encoding output. 2. Rotary transformer angle measurement scheme. The rotary transformer or synchro is used as a sensor, and an external excitation power supply is added. The shaft angle position measurement is achieved through a rotary transformer or synchro-digital converter. The existing rotary transformer shaft angle encoder is not convenient for circuit board protection during use and is not convenient for ventilation and cooling during use. Summary of the invention

[0003] The technical problem to be solved by the utility model is: to provide a resolver shaft angle encoder, by improving the circuit board fixing mechanism during use, it is convenient to carry out circuit board protection work during use, and to set a ventilation and cooling mechanism during use, so as to facilitate the purpose of ventilation and cooling during long-term use.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a resolver shaft angle encoder, including a sensor, wherein ventilation holes are respectively opened around the outer wall of the sensor; a circuit board is arranged on the right side inside the sensor; motor electrodes are opened in sequence from top to bottom on the left side of the circuit board, characterized in that a fixed supporting protective cover structure is opened inside the right end of the sensor; and an adjustable protective ventilation duct structure is arranged on the outer wall of the sensor.

[0005] Preferably, the fixed support protective cover structure includes a fixed cover, and air inlet holes are respectively opened inside the upper end and the lower end of the fixed cover; a filter mesh is bolted to the middle position of the inner wall of the air inlet hole; a support block is bolted to the left side of the fixed cover; and a support frame is bolted to the left end of the fixed cover.

[0006] Preferably, the adjustable protective ventilation pipe structure includes a sleeve tube, and plug-in blocks are bolted around the inner wall of the sleeve tube; ventilation pipes are respectively passed through the four sides of the sleeve tube and the inner middle position of the plug-in block; and protective pipes are respectively bolted to the outer ends of the ventilation pipes.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] In the utility model, the circuit board, fixed cover, air inlet, filter mesh, support block and support frame are arranged in coordination with each other, which is conducive to fixing the circuit board inside the left end of the support frame during use, thereby facilitating the circuit board support and protection work during use, thereby preventing the circuit board from being damaged during work.

[0009] In the utility model, the sensor, ventilation hole, sleeve tube, plug-in block, ventilation pipe and protective pipe are arranged in coordination with each other, which is conducive to the cooling fan arranged inside the ventilation pipe during use, so as to facilitate the cooling protection work during use and prevent the over-high temperature from affecting the work during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a structural schematic diagram of the fixed support protective cover structure of the utility model.

[0012] Figure 3 It is a structural schematic diagram of the adjustable protective ventilation pipe structure of the utility model.

[0013] Figures 1 to 3 middle:

[0014] 1. Sensor; 2. Ventilation hole; 3. Circuit board; 4. Motor electrode; 5. Fixable support protective cover structure; 51. Fixed cover; 52. Air inlet hole; 53. Filter mesh; 54. Support block; 55. Support frame; 6. Adjustable protective ventilation pipe structure; 61. Socket pipe; 62. Plug-in block; 63. Ventilation pipe; 64. Protective pipe. DETAILED DESCRIPTION

[0015] The utility model is described in detail below with reference to the accompanying drawings:

[0016] As attached Figure 1 and attached Figure 2As shown, a rotary shaft angle encoder described in the utility model includes a sensor 1, a ventilation hole 2, a circuit board 3, a motor electrode 4, a fixed support protective cover structure 5 and an adjustable protective ventilation pipe structure 6. The outer wall of the sensor 1 is respectively provided with ventilation holes 2; the inner right side of the sensor 1 is provided with a circuit board 3; the left side of the circuit board 3 is provided with motor electrodes 4 from top to bottom; the right end of the sensor 1 is provided with a fixed support protective cover structure 5; the outer wall of the sensor 1 is provided with an adjustable protective ventilation pipe structure 6; the fixed support protective cover structure 5 includes a fixed cover 51, an air inlet 52, a filter mesh 53, a support The support block 54 and the support frame 55, the upper end and the lower end of the fixed cover 51 are respectively provided with air inlet holes 52; the filter mesh 53 is bolted to the middle position of the inner wall of the air inlet hole 52; the left side of the fixed cover 51 is bolted to the support block 54; the left end of the fixed cover 51 is bolted to the support frame 55; when in use, the circuit board 3 is bolted to the left end of the support frame 55, and the circuit board 3 is supported through the support block 54 to prevent the circuit board 3 from being damaged and affecting the work during use, and at the same time, air is introduced through the air inlet hole 52 during use, which is convenient for cooling and protecting the circuit board 3 during use.

[0017] In this embodiment, combined with the Figure 3 As shown, the adjustable protective ventilation pipe structure 6 includes a sleeve pipe 61, a plug-in block 62, a ventilation pipe 63 and a protective pipe 64; the plug-in blocks 62 are bolted around the inner wall of the sleeve pipe 61; ventilation pipes 63 are respectively passed through the four sides of the sleeve pipe 61 and the inner middle position of the plug-in block 62; the outer ends of the ventilation pipes 63 are respectively bolted with protective pipes 64; then during use, the power generated by the heat dissipation fan arranged inside the ventilation pipe 63 drives the gas to flow, and during the flow of gas, the interior of the sensor 1 is cooled, so as to facilitate the purpose of cooling the equipment during use and prevent the work from being affected by excessive temperature during work.

[0018] In this embodiment, specifically, the motor electrode 4 is arranged inside the sensor 1 .

[0019] In this embodiment, specifically, the support blocks 54 are respectively arranged inside the support frame 55 and the support frame 55 adopts an oblique T-shaped PVC pipe; the filter mesh 53 adopts a stainless steel mesh and is provided in plurality.

[0020] In this embodiment, specifically, the fixing cover 51 is bolted to the right end of the sensor 1 and the support frame 55 is inserted into the right end of the sensor 1; the circuit board 3 is bolted to the middle position of the left end of the support frame 55.

[0021] In this embodiment, specifically, a heat dissipation fan is fixed by bolts at the middle position inside the ventilation pipe 63 ; and a stainless steel mesh is fixed by bolts at the middle position of the inner wall of the protection pipe 64 .

[0022] In this embodiment, specifically, the sleeve tube 61 is sleeved on the outer wall of the sensor 1 and fixed with bolts; the plug-in blocks 62 respectively penetrate the interior of the ventilation holes 2; and the ventilation pipes 63 respectively penetrate the interior of the ventilation holes 2.

[0023] How it works

[0024] In the utility model, when in use, the circuit board 3 is bolted to the left end of the support frame 55, and the circuit board 3 is supported by the support block 54 to prevent the circuit board 3 from being damaged and affecting the work during use. At the same time, air is introduced through the air inlet hole 52 during use, which is convenient for the purpose of cooling and protecting the circuit board 3 during use. Then, during use, the power generated by the heat dissipation fan arranged inside the ventilation pipe 63 drives the gas to flow, and the interior of the sensor 1 is cooled during the flow of gas, which is convenient for the purpose of cooling and protecting the equipment during use, and preventing the work from being affected by excessively high temperature during work.

[0025] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A resolver shaft angle encoder, comprising a sensor (1), wherein the outer wall of the sensor (1) is provided with ventilation holes (2) on all sides; a circuit board (3) is arranged on the right side of the interior of the sensor (1); motor electrodes (4) are arranged on the left side of the circuit board (3) in sequence from top to bottom; and the characteristics are as follows: A fixed supporting protective cover structure (5) is provided inside the right end of the sensor (1); and an adjustable protective ventilation duct structure (6) is provided on the outer wall of the sensor (1).

2. A resolver shaft angle encoder according to claim 1, characterized in that: The fixed support protective cover structure (5) comprises a fixed cover (51), wherein an air inlet hole (52) is respectively provided inside the upper end and the lower end of the fixed cover (51); a filter mesh (53) is bolted to the middle position of the inner wall of the air inlet hole (52); a support block (54) is bolted to the left side of the fixed cover (51); and a support frame (55) is bolted to the left end of the fixed cover (51).

3. A resolver shaft angle encoder according to claim 1, characterized in that: The adjustable protective ventilation pipe structure (6) comprises a sleeve pipe (61), and plug-in blocks (62) are bolted to the inner wall of the sleeve pipe (61) at four sides; ventilation pipes (63) are respectively passed through the four sides of the sleeve pipe (61) and the middle position of the inner part of the plug-in block (62); and protective pipes (64) are respectively bolted to the outer ends of the ventilation pipes (63).

4. A resolver shaft angle encoder as claimed in claim 2, characterized in that: The fixing cover (51) is bolted to the right end of the sensor (1) and the support frame (55) is plugged into the inside of the right end of the sensor (1); the circuit board (3) is bolted to the middle position inside the left end of the support frame (55).

5. A resolver shaft angle encoder as claimed in claim 3, characterized in that: The sleeve tube (61) is sleeved on the outer wall of the sensor (1) and fixed by bolts; the plug-in blocks (62) respectively penetrate the interior of the ventilation holes (2); and the ventilation pipes (63) respectively penetrate the interior of the ventilation holes (2).

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