Hall mounting structure of motor magnetic encoder

Abstract

A motor magnetic encoder Hall mounting structure comprises a motor body, an electromagnetic brake, a data acquisition seat, an inductor and a data acquisition unit, the inner end face of the electromagnetic brake is connected to the rear end face of the motor body, the data acquisition seat is provided with an acquisition chamber, and the motor body is provided with a motor shaft; the data acquisition seat is connected to the outer end face of the electromagnetic brake. The electromagnetic brake is provided with a shaft hole penetrating through the inner end face and the outer end face. The rear end part of the motor shaft penetrates through a shaft hole of the electromagnetic brake and extends into the collecting chamber; the rear end part of the motor shaft is fixedly sleeved with an induction piece, and the induction piece is fixed in the collection chamber; a data collector matched with the induction piece is installed in the collection cavity. The electromagnetic brake is mounted at the rear end of the motor, and the encoder is mounted at the tail of the electromagnetic brake, so that the defect that the electromagnetic brake cannot be mounted after the magnetic encoder is mounted can be overcome, and the motor cannot be damaged.

Description

Technical Field

[0001] The utility model relates to the field of motors, in particular to a Hall installation structure of a motor magnetic encoder. Background Art

[0002] The magnetic encoder of a traditional motor with a magnetic encoder is installed on the rear cover at the tail end of the motor to facilitate the adjustment of the magnetic encoder position and prevent interference. However, this structure is not convenient for installing the motor brake, and the brake needs to be installed in other ways, which increases the additional manufacturing cost. Although the traditional motor with an external Hall can install the Hall between the tail end of the motor and the brake, or build the Hall into the motor stator, this method is not conducive to the adjustment of the motor Hall in the later stage. If adjustment is required in the later stage, the brake needs to be removed, and the brake needs to be adjusted again after the Hall adjustment is completed. This method is relatively troublesome in the later maintenance of the motor. Utility Model Content

[0003] The utility model aims to solve the problem that the brake is inconvenient to install after the traditional motor magnetic encoder is installed, and solves the inconvenience of removing the brake when maintaining the external Hall.

[0004] Therefore, a motor magnetic encoder Hall installation structure is proposed, and the specific technical solution is as follows:

[0005] A motor magnetic encoder Hall installation structure comprises a motor body and an electromagnetic brake, wherein the inner end surface of the electromagnetic brake is connected to the rear end surface of the motor body, and is characterized in that:

[0006] It also includes a data acquisition seat, a sensor and a data acquisition device, wherein the data acquisition seat has a collection chamber, and the motor body has a motor shaft;

[0007] The data acquisition seat is connected to the outer end surface of the electromagnetic brake, and the electromagnetic brake is provided with an axial hole penetrating the inner end surface and the outer end surface;

[0008] The rear end of the motor shaft passes through the shaft hole of the electromagnetic brake and extends into the collection chamber;

[0009] An induction component is fixedly sleeved on the rear end of the motor shaft, and the induction component is fixed in the collection chamber;

[0010] A data collector matching the sensing element is installed in the collection chamber.

[0011] In order to better realize the utility model, it can be further:

[0012] The data collector is a circular ring structure, and the rear end of the motor shaft extends into the through hole of the data collector.

[0013] Furthermore: the induction component is a magnetically encoded magnet, and the data collector matched with the induction component is a magnetic encoder.

[0014] Furthermore, the induction element is a Hall magnet, and the data collector matched with the induction element is a magnetic coding magnet.

[0015] Furthermore, a sealing cover is detachably connected to the opening of the collection chamber, and the sealing cover forms a closed dust-proof space in the collection chamber.

[0016] The beneficial effects of the utility model are:

[0017] Compared with the motor using magnetic encoder, the traditional method is to install the magnetic encoder on the tail cover of the motor. Because the magnetic encoder is installed on the shaft, the motor shaft cannot extend out of the magnetic encoder, so it is difficult to install an external brake. If the motor needs to be braked, the motor short circuit method must be adopted, which is more harmful to the motor. The utility model can solve the disadvantage that the electromagnetic brake cannot be installed after the magnetic encoder is installed, and it will not cause damage to the motor by installing the electromagnetic brake at the rear end of the motor and then installing the encoder at the tail of the electromagnetic brake.

[0018] Compared with the motor using Hall sensor, if the motor needs to be braked by electromagnetic brake, one way is to build the Hall element into the motor stator. This built-in Hall method has a large interference on the signal output of the Hall element, and the Hall element is easily damaged after the motor heats up, and the motor needs to be disassembled to replace the Hall element for later maintenance. Another way is to place the Hall element between the rear cover of the motor and the electromagnetic brake. This method will also interfere with the Hall element because a magnetic field is generated when the electromagnetic brake is powered on. If the Hall needs to be adjusted, the brake needs to be disassembled to adjust the Hall. After the adjustment is completed, the brake clearance needs to be readjusted. This method is relatively troublesome. If the Hall element is placed externally at the rear end of the brake, there will be no interference and inconvenience in debugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structure diagram of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram after removing the sealing cover;

[0021] The accompanying drawings in the figure illustrate a motor housing 1, a motor rear cover 2, a motor shaft 3, an electromagnetic brake 4, a data acquisition seat 5, a data acquisition chamber 6, a sensor 7, a data collector 8, and a sealing cover 9. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present utility model. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] like Figure 1 As shown:

[0025] A motor magnetic encoder Hall installation structure includes a motor body, an electromagnetic brake 4, a data acquisition seat 5, a sensor 7 and a data acquisition device 8. The inner end surface of the electromagnetic brake 4 is connected to the rear end surface of the motor body, and the electromagnetic brake 4 is located between the encoder installation seat and the motor body. The data acquisition seat 5 has a collection chamber, and a sealing cover 9 is detachably connected to the opening of the collection chamber, and the sealing cover 9 forms a closed dustproof space in the collection chamber.

[0026] Specifically, the motor body includes a motor housing 1, a motor back cover 2 and a motor shaft 3 passing through the motor housing 1. The inner end surface of the electromagnetic brake 4 is mounted on the motor back cover 2, and the rear end surface of the motor back cover 2 is the rear end surface of the motor body.

[0027] The data acquisition seat 5 is mounted on the outer end face of the electromagnetic brake 4. The electromagnetic brake 4 is provided with an axial hole penetrating the inner end face and the outer end face. The rear end of the motor shaft 3 passes through the axial hole of the electromagnetic brake 4 and extends into the collection chamber. A sensing component is fixedly sleeved on the rear end of the motor shaft 3. The sensing component is fixed in the collection chamber. A data acquisition device 8 matching the sensing component is installed in the collection chamber. When the motor shaft drives the sensing component to rotate synchronously, the data acquisition device 8 reads the signal of the sensing component, and the data acquisition device 8 outputs the corresponding signal to the controller.

[0028] In this embodiment, the induction element adopts a magnetic encoding magnet or a Hall magnet, and a matching magnetic encoder or Hall element is installed in the encoder mounting seat. When the motor shaft 3 drives the magnetic encoding magnet or the Hall magnet to rotate synchronously, the magnetic encoder or the Hall element senses the corresponding signal and outputs the corresponding signal to the controller.

[0029] The process of the utility model is as follows: the electromagnetic brake 4 is provided with an axial hole which passes through the inner end face and the outer end face; the rear end portion of the motor shaft 3 passes through the axial hole of the electromagnetic brake 4 and extends into the collection chamber, and the motor shaft 3 extends out of the electromagnetic brake 4 to the magnetic encoder mounting seat; the rear end portion of the motor shaft 3 passes through the axial hole of the electromagnetic brake 4 and extends into the collection chamber; a magnetic encoding magnet or a Hall magnet is fixedly sleeved on the rear end portion of the motor shaft 3; a data collector 8 matching the induction component is installed in the collection chamber.

[0030] The motor shaft 3 drives the magnetic encoder magnet or the Hall magnet to rotate synchronously, and the magnetic encoder or Hall element can output the corresponding signal to the controller. This can solve the problem that it is inconvenient to install the brake after the magnetic encoder is installed on the motor tail cover, and can also solve the problem that the external Hall is installed between the motor tail cover and the electromagnetic brake 4, and the inconvenience of disassembling the brake during maintenance.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A motor magnetic encoder Hall installation structure, comprising a motor body and an electromagnetic brake, wherein the inner end surface of the electromagnetic brake is connected to the rear end surface of the motor body, characterized in that: It also includes a data acquisition seat, a sensor and a data acquisition device, wherein the data acquisition seat has a collection chamber, and the motor body has a motor shaft; The data acquisition seat is connected to the outer end surface of the electromagnetic brake, and the electromagnetic brake is provided with an axial hole penetrating the inner end surface and the outer end surface; The rear end of the motor shaft passes through the shaft hole of the electromagnetic brake and extends into the collection chamber; An induction component is fixedly sleeved on the rear end of the motor shaft, and the induction component is fixed in the collection chamber; A data collector matching the sensing element is installed in the collection chamber.

2. According to claim 1, a motor magnetic encoder Hall installation structure is characterized in that: The data collector is a circular ring structure, and the rear end of the motor shaft extends into the through hole of the data collector.

3. According to claim 2, a motor magnetic encoder Hall installation structure is characterized in that: The induction component is a magnetically encoded magnetic steel, and the data collector matched with the induction component is a magnetic encoder.

4. According to claim 3, a motor magnetic encoder Hall installation structure is characterized in that: The induction element is a Hall magnet, and the data collector matched with the induction element is a magnetic coding magnet.

5. According to claim 4, a motor magnetic encoder Hall installation structure is characterized in that: A sealing cover is detachably connected to the opening of the collection chamber, and the sealing cover forms a closed dust-proof space in the collection chamber.

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