Magnetic encoder and motor
阅读说明:本技术 磁编码器和电机 (Magnetic encoder and motor ) 是由 江爱国 刘海平 张继生 吕炳 桂冬冬 李留榜 马光旭 于 2019-11-25 设计创作,主要内容包括:本申请涉及一种磁编码器和电机,磁编码器包括:壳体,壳体一端为开口,一端为底面;电路板,设置在壳体开口的一端,且覆盖壳体的开口,与壳体配合形成容纳腔;磁感组件,设置在容纳腔内。电机包括:磁编码器;端盖,磁编码器设置在端盖的一端;转轴,穿过端盖,延伸至磁编码器的容纳腔内,并位与磁感组件的感应范围内。用以解决现有技术中。编码器安装在被测转轴的轴端面上,该安装方式无法满足空心转轴的要求。(The application relates to a magnetic encoder and motor, magnetic encoder includes: the device comprises a shell, a first fixing piece and a second fixing piece, wherein one end of the shell is an opening, and the other end of the shell is a bottom surface; the circuit board is arranged at one end of the opening of the shell, covers the opening of the shell and is matched with the shell to form an accommodating cavity; and the magnetic induction component is arranged in the accommodating cavity. The motor includes: a magnetic encoder; the magnetic encoder is arranged at one end of the end cover; the rotating shaft penetrates through the end cover, extends into the accommodating cavity of the magnetic encoder and is located in the induction range of the magnetic induction assembly. The method is used for solving the problems in the prior art. The encoder is installed on the shaft end face of the measured rotating shaft, and the installation mode cannot meet the requirement of the hollow rotating shaft.)
1. A magnetic encoder, comprising:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein one end of the shell is an opening, and the other end of the shell is a bottom surface;
the circuit board is arranged at one end of the opening of the shell, covers the opening of the shell and is matched with the shell to form an accommodating cavity;
and the magnetic induction component is arranged in the accommodating cavity.
2. The magnetic encoder of claim 1, wherein the housing comprises:
the first end of the supporting part is connected with the circuit board and is used for supporting the circuit board;
the base is connected to the second end of the supporting part, and the shaft hole is formed in the base.
3. The magnetic encoder of claim 2, further comprising:
and the communication interface is connected with the circuit board and arranged on the supporting part.
4. The magnetic encoder of claim 2, wherein the support portion comprises:
and the limiting groove is arranged on the supporting part.
5. The magnetic encoder of claim 1, wherein the magnetic induction assembly comprises:
the magnetic inductor is arranged in the accommodating cavity and is connected with the circuit board;
the induction magnetic head is electrically connected with the magnetic inductor; the induction magnetic head is arranged in the accommodating cavity and is positioned at the shaft hole.
6. The magnetic encoder according to claim 5, wherein the magnetic sensor is a Hall magnetic sensor.
7. The magnetic encoder of claim 2, further comprising:
and the zero setting interface is connected with the circuit board and arranged on the supporting part.
8. An electric machine, comprising:
a magnetic encoder according to any one of claims 1 to 7;
the end cover is arranged at one end of the magnetic encoder;
and the rotating shaft penetrates through the end cover, extends into the accommodating cavity of the magnetic encoder and is positioned in the induction range of the magnetic induction component.
9. The electric machine of claim 8, wherein the end cap comprises:
the annular bulge is arranged on one end face, in contact with the magnetic encoder, of the end cover and forms an installation groove;
the magnetic encoder is installed in the installation groove.
10. The electric machine of claim 9, wherein a screw hole is provided in the mounting groove, and the magnetic encoder is mounted in the mounting groove through the screw hole.
Technical Field
The application relates to the technical field of electromechanics, in particular to a magnetic encoder and a motor.
Background
The magnetic encoder has the advantages of simple structure, high-speed rotation response speed and no influence of oil stains, dust and structures, and is widely applied to angle measurement in the fields of industry, military, aviation, navigation, communication and the like.
At present, a magnetic encoder is generally in-axis measurement when applied to absolute angle measurement, the encoder is required to be installed on the shaft end face of a measured rotating shaft, and the installation mode cannot meet the requirement of a hollow rotating shaft.
Disclosure of Invention
The object of the application is to provide a magnetic encoder and a motor, which solve the prior art. The encoder is installed on the shaft end face of the measured rotating shaft, and the installation mode cannot meet the requirement of the hollow rotating shaft.
To achieve the above object, in a first aspect, an embodiment provides a magnetic encoder, including: the device comprises a shell, a first fixing piece and a second fixing piece, wherein one end of the shell is an opening, and the other end of the shell is a bottom surface; the circuit board is arranged at one end of the opening of the shell, covers the opening of the shell and is matched with the shell to form an accommodating cavity; and the magnetic induction component is arranged in the accommodating cavity.
In an alternative embodiment, the housing comprises: a supporting part, the first end of which is connected with the circuit board and is used for supporting the circuit board; the base is connected to the second end of the supporting part, and the base is provided with a shaft hole.
In an alternative embodiment, the method further comprises: and the communication interface is connected with the circuit board and arranged on the supporting part circuit board.
In an alternative embodiment, the support portion comprises: and the limiting groove is arranged on the supporting part.
In an alternative embodiment, the magnetically inductive assembly comprises: the magnetic inductor is arranged in the accommodating cavity and is connected with the circuit board; the induction magnetic head is electrically connected with the magnetic inductor; the inductive magnetic head is arranged in the accommodating cavity and is positioned at the shaft hole.
In an alternative embodiment, the magnetic sensor is a hall magnetic sensor.
In an alternative embodiment, the method further comprises: and the zero setting interface is connected with the circuit board and arranged on the supporting part.
In a second aspect, embodiments provide an electric machine comprising: a magnetic encoder as in any one of the preceding embodiments; the magnetic encoder is arranged at one end of the end cover; the rotating shaft penetrates through the end cover, extends into the accommodating cavity of the magnetic encoder and is located in the induction range of the magnetic induction assembly.
In an alternative embodiment, the end cap comprises: the annular bulge is arranged on one end face, in contact with the magnetic encoder, of the end cover and forms an installation groove; the magnetic encoder is installed in the installation groove.
In an alternative embodiment, a screw hole is provided in the mounting groove, and the magnetic encoder is mounted in the mounting groove through the screw hole.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an electric machine according to an embodiment of the present application;
FIG. 2 is a top view of the motor shown in FIG. 1;
FIG. 3 is a cross-sectional view of a magnetic encoder provided in an embodiment of the present application;
FIG. 4 is a cross-sectional view of another magnetic encoder provided in an embodiment of the present application.
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Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a
In one embodiment, the
In the implementation process, the shape surrounded by the
Fig. 2 is a top view of the motor shown in fig. 1. Be equipped with the screw in the mounting groove, be equipped with
In the implementation process, because the
Fig. 3 is a cross-sectional view of a
In the implementation process, the
In one embodiment, the
In the above implementation, each pair of poles of the
In one embodiment, the inductive
In the above implementation process, the
In the above implementation process, since the
In one embodiment, the
In the above implementation process, the
In one embodiment, the inductive
In the above-mentioned realization process, pivot 4 passes through
In one embodiment, the limiting
Fig. 4 is a cross-sectional view of another
In the implementation process, the
In one embodiment, the
In the implementation process, the zero setting
The
In one embodiment, the magnetic sensor is a hall magnetic sensor.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
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