Rotor detection equipment and detection system

Abstract

The invention relates to the field of detection devices, in particular to rotor detection equipment and a detection system. The rotor detection equipment comprises a driving mechanism, a detection mechanism and a supporting mechanism. The driving mechanism is used for driving the rotor to rotate; the supporting mechanism is used for supporting the rotor, and the rotor can rotate relative to the supporting mechanism; the detection mechanism comprises a magnetic ring detection assembly and a magnetic sleeve detection assembly, the magnetic ring detection assembly and the magnetic sleeve detection assembly are sequentially arranged in the axial direction of the rotor, the magnetic ring detection assembly is opposite to a magnetic ring of the rotor, and the magnetic sleeve detection assembly is opposite to a magnetic sleeve of the rotor. According to the rotor detection equipment provided by the invention, the magnetic pole angles of the magnetic ring and the magnetic sleeve of the rotor can be synchronously detected, the detection is convenient and rapid, and the detection efficiency is improved; and moreover, the rotating motion of the rotor can be more stable, and the jumping phenomenon of the rotating rotor is avoided, so that the detection precision is improved.

Description

Technical Field

[0001] The present application relates to the field of detection devices, and in particular to a rotor detection device and a detection system. Background Art

[0002] In the prior art, when detecting the magnetic pole angle of the rotor magnetic sleeve, it is necessary to detect the magnetic sleeve and the magnetic sleeve separately, which leads to low detection efficiency. In addition, there is a problem of large rotor runout during the detection process, which further affects the accuracy and reliability of the detection results. Therefore, it is urgent to develop a detection device that can improve the detection efficiency and accuracy of the rotor magnetic sleeve and effectively reduce the runout difference. Summary of the invention

[0003] The purpose of the present application is to provide a rotor detection device and a detection system, which are used to solve the problems of low detection efficiency, poor accuracy and reliability of rotors in existing detection devices.

[0004] The present application provides a rotor detection device, including a driving mechanism, a detection mechanism and a supporting mechanism;

[0005] The driving mechanism is used to drive the rotor to rotate; the supporting mechanism is used to support the rotor, and the rotor can rotate relative to the supporting mechanism;

[0006] The detection mechanism includes a magnetic ring detection component and a magnetic sleeve detection component. The magnetic ring detection component and the magnetic sleeve detection component are arranged in sequence along the axial direction of the rotor, and the magnetic ring detection component is opposite to the magnetic ring of the rotor, and the magnetic sleeve detection component is opposite to the magnetic sleeve of the rotor.

[0007] In the above technical solution, further, the magnetic ring detection assembly includes a first bracket and a first detection circuit board;

[0008] The first detection circuit board is mounted on the first bracket, and the first detection circuit board is opposite to the end surface of the magnetic ring; the first detection circuit board is provided with a Hall element to detect the magnetic pole angle of the magnetic ring.

[0009] In the above technical solution, further, the first bracket is provided with a first mounting groove, and the first detection circuit board is installed in the first mounting groove;

[0010] The first detection circuit board is provided with a first through hole, the bracket is provided with a first through hole, the first through hole is connected to the first mounting groove, and one end of the rotor shaft close to the magnetic ring passes through the first through hole and the first through hole to connect the driving mechanism.

[0011] In the above technical solution, further, the first through hole is equipped with a first bearing, and the rotating shaft of the rotor is installed on the inner ring of the first bearing.

[0012] In the above technical solution, further, the magnetic sleeve detection assembly includes a second bracket and a second detection circuit board;

[0013] The second detection circuit board is mounted on the second bracket, and the second detection circuit board is opposite to the outer peripheral surface of the magnetic sleeve; the second detection circuit board is provided with a Hall element to detect the magnetic pole angle of the magnetic sleeve.

[0014] In the above technical solution, further, the support mechanism includes a first support column and an abutment member;

[0015] The abutment member is rotatably mounted on the first support column, and the abutment member abuts against an end of the rotating shaft of the rotor away from the driving mechanism;

[0016] The first support column is provided with a mounting hole, a second bearing is mounted in the mounting hole, and the abutment member is mounted on the inner ring of the second bearing.

[0017] In the above technical solution, further, the support mechanism includes a second support column and a support bottom plate;

[0018] The first support column and the second support column are both connected to the support base plate, and the second support column is located between the first support column and the detection mechanism;

[0019] The second support column is provided with a second through hole, a third bearing is installed in the second through hole, and the rotating shaft of the rotor is installed on the inner ring of the third bearing.

[0020] In the above technical solution, further, the driving mechanism includes a third bracket, a driving device and an adapter;

[0021] The driving device is installed on the third bracket, the driving end of the driving device is connected to one end of the adapter, and the other end of the adapter is connected to the rotating shaft of the rotor to drive the rotor to rotate.

[0022] In the above technical solution, further, it also includes a guide rail mechanism;

[0023] The guide rail mechanism includes a slide rail and a plurality of sliders installed on the slide rail; the driving mechanism, the magnetic ring detection component, the magnetic sleeve detection component and the supporting mechanism are all provided with the sliders; the driving mechanism, the magnetic ring detection component, the magnetic sleeve detection component and the supporting mechanism are arranged in sequence along the guide direction of the slide rail, and the guide direction of the slide rail is the axial direction of the rotor.

[0024] The present application also provides a detection system, comprising the rotor detection device described in the above scheme.

[0025] Compared with the prior art, the beneficial effects of this application are:

[0026] The rotor detection equipment provided in the present application can synchronously detect the magnetic pole angles of the rotor's magnetic ring and magnetic sleeve, and the detection is convenient and quick, thereby improving the detection efficiency; and it can ensure that the rotor's rotational motion is more stable, avoiding the rotating rotor from jumping, thereby improving the detection accuracy.

[0027] The present application also provides a detection system, including the rotor detection device described in the above solution. Based on the above analysis, it can be seen that the detection system also has the above beneficial effects, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 A first structural schematic diagram of the rotor detection device provided in this application;

[0030] Figure 2 A second structural schematic diagram of the rotor detection device provided in this application;

[0031] Figure 3 A schematic diagram of the structure of the driving mechanism provided in this application;

[0032] Figure 4 A schematic diagram of the structure of the magnetic ring detection assembly provided in this application;

[0033] Figure 5 A schematic diagram of the structure of the magnetic sleeve detection assembly provided in this application;

[0034] Figure 6 This is a schematic diagram of the structure of the support mechanism provided in this application.

[0035] In the figure: 100 - driving mechanism; 101 - motor; 103 - third bracket; 104 - adapter;

[0036] 200-magnetic ring detection component; 201-first detection circuit board; 202-first bracket; 203-first bearing; 204-first through hole; 205-first through hole;

[0037] 300-magnetic sleeve detection component; 301-second detection circuit board; 302-second bracket; 303-second mounting slot;

[0038] 400-support mechanism; 401-second support column; 402-third bearing; 405-abutment member; 406-second bearing; 407-first support column; 410-support base plate;

[0039] 500-guide rail mechanism; 501-slide rail; 502-slider;

[0040] 600-rotor; 601-rotating shaft; 602-magnetic ring; 603-magnetic sleeve. DETAILED DESCRIPTION

[0041] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0042] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "second", "secondary", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0043] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0044] Embodiment 1

[0045] See also Figures 1 to 6As shown, the rotor detection device provided in the present application includes a driving mechanism 100, a detection mechanism and a supporting mechanism 400; the driving mechanism 100 is used to drive the rotor 600 to rotate; the supporting mechanism 400 is used to support the rotor 600, and the rotor 600 can rotate relative to the supporting mechanism 400; the detection mechanism includes a magnetic ring detection component 200 and a magnetic sleeve detection component 300, the magnetic ring detection component 200 and the magnetic sleeve detection component 300 are arranged in sequence along the axial direction of the rotor 600, and the magnetic ring detection component 200 is opposite to the magnetic ring 602 of the rotor 600, and the magnetic sleeve detection component 300 is opposite to the magnetic sleeve 603 of the rotor 600.

[0046] Specifically, when the rotor 600 is detected, the driving mechanism 100 drives the rotor 600 to rotate so that the magnetic ring 602 and the magnetic sleeve 603 of the rotor 600 respectively generate rotating magnetic fields. During the rotation of the rotor 600, the supporting mechanism 400 can support and fix the rotor 600, and the rotor 600 can rotate relative to the supporting mechanism 400 to ensure that the rotation movement of the rotor 600 is more stable and avoid the jumping phenomenon of the rotating rotor 600. The rotor 600 includes a rotating shaft 601 and a magnetic ring 602 and a magnetic sleeve 603 sleeved on the rotating shaft 601. The driving mechanism 100 drives the rotating shaft 601 to rotate, which can drive the magnetic ring 602 and the magnetic sleeve 603 to rotate synchronously, so that the magnetic ring 602 and the magnetic sleeve 603 respectively generate rotating magnetic fields. The magnetic ring detection component 200 and the magnetic sleeve detection component 300 are arranged in sequence along the axial direction of the rotating shaft 601, wherein the magnetic ring detection component 200 is opposite to the magnetic ring 602, so that the magnetic ring detection component 200 can detect the magnetic pole angle of the magnetic ring 602; at the same time, the magnetic sleeve detection component 300 is opposite to the magnetic sleeve 603, so that the magnetic sleeve detection component 300 can detect the magnetic pole angle of the magnetic ring 602.

[0047] The rotor detection equipment provided in the present application can synchronously detect the magnetic pole angles of the magnetic ring 602 and the magnetic sleeve 603 of the rotor 600. The detection is convenient and quick, and the detection efficiency is improved. It can also ensure that the rotation movement of the rotor 600 is more stable, avoiding the jumping phenomenon of the rotating rotor 600, thereby improving the detection accuracy.

[0048] In an optional scheme of this embodiment, the rotor detection device also includes a guide rail mechanism 500; the guide rail mechanism 500 includes a slide rail 501 and a plurality of sliders 502 installed on the slide rail 501; the driving mechanism 100, the magnetic ring detection assembly 200, the magnetic sleeve detection assembly 300 and the supporting mechanism 400 are all provided with sliders 502; the driving mechanism 100, the magnetic ring detection assembly 200, the magnetic sleeve detection assembly 300 and the supporting mechanism 400 are arranged in sequence along the guide direction of the slide rail 501, and the guide direction of the slide rail 501 is the axial direction of the rotor 600.

[0049] In this embodiment, since the magnetic ring 602 and the magnetic sleeve 603 are both located in the middle of the rotating shaft 601, the driving mechanism 100, the detection mechanism and the supporting mechanism 400 are arranged in sequence, the driving mechanism 100 is connected to one end of the rotating shaft 601 to drive the rotor 600 to rotate, and plays a certain supporting role for the rotor 600, and the supporting mechanism 400 is connected to the rotating shaft 601 from the other end, so as to more stably support the rotor 600. The detection mechanism is located between the driving mechanism 100 and the supporting mechanism 400 to realize the detection of the magnetic ring 602 and the magnetic sleeve 603.

[0050] During detection, since the driving mechanism 100, the detection mechanism and the support mechanism 400 are all installed on the slide rail 501 through the slider 502, and the guide direction of the slide rail 501 is the axial direction of the rotor 600. When detecting rotors 600 of different models, the driving mechanism 100, the magnetic ring detection assembly 200, the magnetic sleeve detection assembly 300 and the support mechanism 400 can be slid respectively to adjust the position of each structure, and the position of the slider 502 can be locked after adjustment, thereby correspondingly realizing the driving, detection and support of the rotor 600. The setting of the guide rail mechanism 500 enables the above structure to ensure coaxiality with the rotor 600 when adjusting the position, thereby improving the detection accuracy.

[0051] It should be noted that the sliding of the driving mechanism 100, the magnetic ring detection assembly 200, the magnetic sleeve detection assembly 300 and the supporting mechanism 400 can be driven manually, pneumatically, electrically or in other ways.

[0052] Specifically, the driving mechanism 100, the magnetic ring detection assembly 200, the magnetic sleeve detection assembly 300 and the supporting mechanism 400 are all provided with connection holes, and the slider 502 is correspondingly provided with threaded holes, and the screws penetrate the connection holes and connect with the threaded holes of the slider 502, so as to connect the above structures with the slider 502. When locking the above structures, the bolts can be rotated so that the bolts pass through the threaded holes on the slider 502 and abut against the slide rail 501, so as to achieve the locking of each structure; when adjusting the position of the above structures, the screws can be rotated in the opposite direction so that the screws are away from the slide rail 501, but the screws still maintain the connection with the slider 502, and the slider 502 is unlocked, so that it can slide on the slide rail 501.

[0053] In an optional solution of this embodiment, the magnetic ring detection component 200 includes a first bracket 202 and a first detection circuit board 201. The first detection circuit board 201 is installed on the first bracket 202 to support the first detection circuit board 201. The first detection circuit board 201 is opposite to the end face of the magnetic ring 602, and the first detection circuit board 201 is provided with a Hall element to detect the magnetic pole angle of the magnetic ring 602. The first detection circuit board 201 is arranged adjacent to the magnetic ring 602, so that the Hall element on the first detection circuit board 201 can receive the magnetic field signal generated by the rotating magnetic ring 602, and the received signal strength is higher, and the Hall element can output the Hall signal, and the magnetic pole angle of the magnetic ring 602 can be accurately detected by the detection instrument.

[0054] In an optional scheme of this embodiment, the first bracket 202 is provided with a first mounting groove, and the first detection circuit board 201 is installed in the first mounting groove; the first detection circuit board 201 is provided with a first through hole 204, and the bracket is provided with a first through hole 205, and the first through hole 205 is connected to the first mounting groove, and the end of the rotating shaft 601 of the rotor 600 close to the magnetic ring 602 passes through the first through hole 204 and the first through hole 205 to connect the driving mechanism 100.

[0055] In this embodiment, if Figure 4 As shown, the first bracket 202 includes a first horizontal plate and a first vertical plate, the first horizontal plate and the first vertical plate are connected to form an L-shaped structure, the first horizontal plate serves as the base of the first bracket 202 and is connected to a plurality of sliders 502, a plurality of slideways are provided on the slide rail 501, and the plurality of sliders 502 are respectively installed in different slideways on the slide rail 501 to achieve a stable support effect. The first vertical plate is vertically arranged with the slide rail 501, and the first vertical plate is provided with a first mounting groove and a first through hole 205, and the rotating shaft 601 of the rotor 600 passes through the first through hole 205 so that the arrangement of the first bracket 202 does not affect the rotation of the rotor 600. The first vertical plate is spaced apart from the end face of the magnetic ring 602, the first mounting groove is located on the side of the first vertical plate facing the magnetic ring 602, the first detection circuit board 201 is located in the first mounting groove and is connected to the first vertical plate by bolts, the first detection circuit board 201 can be close to the magnetic ring 602 to receive the magnetic field signal generated by the magnetic ring 602, and the received signal strength is higher, so that the magnetic pole angle of the magnetic ring 602 can be detected more accurately.

[0056] In an optional solution of this embodiment, the first through hole 205 is installed with a first bearing 203, and the rotating shaft 601 of the rotor 600 is installed on the inner ring of the first bearing 203, so that the first bracket 202 can also play a role in supporting and positioning the rotor 600, thereby making the rotational movement of the rotor 600 more stable, avoiding the jumping phenomenon of the rotating rotor 600, and further improving the accuracy of detection.

[0057] In the optional solution of this embodiment, the magnetic sleeve detection component 300 includes a second bracket 302 and a second detection circuit board 301; the second detection circuit board 301 is mounted on the second bracket 302, and the second detection circuit board 301 is opposite to the outer peripheral surface of the magnetic sleeve 603; the second detection circuit board 301 is provided with a Hall element to detect the magnetic pole angle of the magnetic sleeve 603. The second detection circuit board 301 is arranged adjacent to the magnetic sleeve 603, so that the Hall element on the second detection circuit board 301 can receive the magnetic field signal generated by the rotating magnetic sleeve 603, the signal strength is higher, and the Hall element can output the Hall signal, and the magnetic pole angle of the magnetic sleeve 603 can be accurately detected by the detection instrument.

[0058] Specifically, Figure 5 As shown, the second bracket 302 includes a second horizontal plate and a second vertical plate, the second horizontal plate and the second vertical plate are connected to form an L-shaped structure, the second horizontal plate serves as the base of the second bracket 302 and is connected to a plurality of sliders 502, and the plurality of sliders 502 are all installed in the same slideway on the slide rail 501 to achieve a stable support effect. The second vertical plate is arranged in parallel with the slide rail 501, and the second vertical plate is arranged at intervals from the outer peripheral surface of the magnetic sleeve 603. The second vertical plate is provided with a second mounting groove 303 on the side facing the magnetic ring 602, the second detection circuit board 301 is located in the second mounting groove 303, and is connected to the second vertical plate by bolts, the second detection circuit board 301 can be close to the magnetic sleeve 603 to receive the magnetic field signal generated by the magnetic sleeve 603, and the received signal strength is higher, so that the magnetic pole angle of the magnetic sleeve 603 can be detected more accurately.

[0059] Embodiment 2

[0060] The rotor detection device in the second embodiment is an improvement on the above embodiment. The technical contents disclosed in the above embodiment will not be described repeatedly, and the contents disclosed in the above embodiment also belong to the contents disclosed in the second embodiment.

[0061] In an optional scheme of this embodiment, the support mechanism 400 includes a first support column 407 and an abutment member 405; the abutment member 405 is rotatably mounted on the first support column 407, and the abutment member 405 abuts against an end of the rotating shaft 601 of the rotor 600 away from the driving mechanism 100; the first support column 407 is provided with a mounting hole, the mounting hole is equipped with a second bearing 406, and the abutment member 405 is installed on the inner ring of the second bearing 406.

[0062] In this embodiment, the first support column 407 is provided with a mounting hole to fix the abutment member 405, so that the abutment member 405 is located at the end of the rotating shaft 601 away from the driving mechanism 100 to support the rotating shaft 601, thereby fixing the rotor 600. A second bearing 406 is provided between the first support column 407 and the abutment member 405, so that when the rotating shaft 601 rotates, the abutment member 405 is driven to rotate, so as to achieve the positioning of the rotor 600 without affecting the rotation of the rotor 600. Figure 6 As shown, the first support column 407 is provided with a mounting hole, and the first support column 407 is also provided with a notch connected to the mounting hole, and when the second bearing 406 is installed in the mounting hole, the gap of the notch can be enlarged to facilitate the installation of the second bearing 406. After the second bearing 406 is installed, the two parts of the first support column 407 forming the notch can be locked by screws.

[0063] More specifically, the abutment 405 includes a mounting sleeve and a conical top, a limiting plate and a top, the mounting column is mounted on the inner ring of the second bearing 406, the limiting plate is connected to the mounting column and abuts against one end of the second bearing 406 close to the rotating shaft 601, the conical top is located between the limiting plate and the rotating shaft 601, and can be pushed into the top hole of the rotating shaft 601 to achieve the positioning of the rotating shaft 601.

[0064] In an optional scheme of this embodiment, the support mechanism 400 includes a second support column 401 and a support base plate 410; the first support column 407 and the second support column 401 are connected to the support base plate 410 by bolts, and the second support column 401 is located between the first support column 407 and the detection mechanism; the second support column 401 is provided with a second through hole, and the second through hole is installed with a third bearing 402, and the rotating shaft 601 of the rotor 600 is installed on the inner ring of the third bearing 402.

[0065] In this embodiment, the length of the magnetic sleeve 603 led out from the end of the rotating shaft 601 close to the abutment 405 is longer. In order to prevent the rotating shaft 601 from jumping when rotating, a second support column 401 is arranged between the second support column 401 and the detection mechanism, and the second support column 401 is arranged close to the magnetic sleeve 603. The second support column 401 and the first support column 407 work together to further position the rotating shaft 601, thereby improving the accuracy of detection.

[0066] like Figure 6 As shown, the second support column 401 is provided with a notch connected to the second through hole, and when the third bearing 402 is installed in the second through hole, the gap of the notch can be enlarged to facilitate the installation of the third bearing 402. After the third bearing 402 is installed, the two parts of the second support column 401 forming the notch can be locked by screws.

[0067] In an optional solution of this embodiment, the driving mechanism 100 includes a third bracket 103, a driving device and an adapter 104; the driving device is installed on the third bracket 103, the driving end of the driving device is connected to one end of the adapter 104, and the other end of the adapter 104 is connected to the rotating shaft 601 of the rotor 600 to drive the rotor 600 to rotate.

[0068] In this embodiment, if Figure 3 As shown, the third bracket 103 includes a third horizontal plate and a third vertical plate, which are connected to form an L-shaped structure. The third horizontal plate serves as the base of the third bracket 103 and is connected to a plurality of sliders 502. The plurality of sliders 502 are respectively installed in different slideways on the slide rail 501 to achieve a stable support effect. The third vertical plate is vertically arranged with the slide rail 501, and the driving device is specifically a motor 101, which is installed on one side of the third vertical plate by screws. The rotor 600 is located on the other side of the third vertical plate, and the driving device can penetrate the third vertical plate to be connected with the rotating shaft 601 of the rotor 600.

[0069] Since the side of the rotating shaft 601 facing the motor 101 is a hexagonal hole, an adapter 104 is provided between the motor 101 and the rotating shaft 601. One end of the adapter 104 is cylindrical and sleeved on the shaft of the motor 101. The adapter 104 has a connecting hole. The bolt passes through the connecting hole and abuts on the shaft of the motor 101 to achieve the connection between the adapter 104 and the shaft of the motor 101. The other end of the adapter 104 is provided with a hexagonal head adapted to the hexagonal hole. The hexagonal head is inserted into the hexagonal hole to achieve the connection with the rotor 600, so as to drive the rotor 600 to rotate.

[0070] Embodiment 3

[0071] Embodiment 3 of the present application provides a detection system, including the rotor detection device of any of the above embodiments, and thus has all the beneficial technical effects of the rotor detection device of any of the above embodiments, which will not be elaborated here.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application. In addition, a person skilled in the art can understand that although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments means being within the scope of the present application and forming different embodiments.

Claims

1. A rotor detection device, characterized in that: It includes a driving mechanism, a detection mechanism and a supporting mechanism; The driving mechanism is used to drive the rotor to rotate; the supporting mechanism is used to support the rotor, and the rotor can rotate relative to the supporting mechanism; The detection mechanism includes a magnetic ring detection component and a magnetic sleeve detection component. The magnetic ring detection component and the magnetic sleeve detection component are arranged in sequence along the axial direction of the rotor, and the magnetic ring detection component is opposite to the magnetic ring of the rotor, and the magnetic sleeve detection component is opposite to the magnetic sleeve of the rotor.

2. The rotor detection device according to claim 1, characterized in that: The magnetic ring detection assembly includes a first bracket and a first detection circuit board; The first detection circuit board is mounted on the first bracket, and the first detection circuit board is opposite to the end surface of the magnetic ring; the first detection circuit board is provided with a Hall element to detect the magnetic pole angle of the magnetic ring.

3. The rotor detection device according to claim 2, characterized in that: The first bracket is provided with a first mounting groove, and the first detection circuit board is mounted in the first mounting groove; The first detection circuit board is provided with a first through hole, the bracket is provided with a first through hole, the first through hole is connected to the first mounting groove, and one end of the rotor shaft close to the magnetic ring passes through the first through hole and the first through hole to connect the driving mechanism.

4. The rotor detection device according to claim 3, characterized in that: A first bearing is installed in the first through hole, and the rotating shaft of the rotor is installed on the inner ring of the first bearing.

5. The rotor detection device according to claim 1, characterized in that: The magnetic sleeve detection assembly includes a second bracket and a second detection circuit board; The second detection circuit board is mounted on the second bracket, and the second detection circuit board is opposite to the outer peripheral surface of the magnetic sleeve; the second detection circuit board is provided with a Hall element to detect the magnetic pole angle of the magnetic sleeve.

6. The rotor detection device according to claim 1, characterized in that: The support mechanism comprises a first support column and an abutment member; The abutment member is rotatably mounted on the first support column, and the abutment member abuts against an end of the rotating shaft of the rotor away from the driving mechanism; The first support column is provided with a mounting hole, a second bearing is mounted in the mounting hole, and the abutment member is mounted on the inner ring of the second bearing.

7. The rotor detection device according to claim 6, characterized in that: The support mechanism includes a second support column and a support base plate; The first support column and the second support column are both connected to the support base plate, and the second support column is located between the first support column and the detection mechanism; The second support column is provided with a second through hole, a third bearing is installed in the second through hole, and the rotating shaft of the rotor is installed on the inner ring of the third bearing.

8. The rotor detection device according to claim 1, characterized in that: The driving mechanism comprises a third bracket, a driving device and an adapter; The driving device is installed on the third bracket, the driving end of the driving device is connected to one end of the adapter, and the other end of the adapter is connected to the rotating shaft of the rotor to drive the rotor to rotate.

9. The rotor detection device according to claim 1, characterized in that: Also includes a guide rail mechanism; The guide rail mechanism includes a slide rail and a plurality of sliders installed on the slide rail; the driving mechanism, the magnetic ring detection component, the magnetic sleeve detection component and the supporting mechanism are all provided with the sliders; the driving mechanism, the magnetic ring detection component, the magnetic sleeve detection component and the supporting mechanism are arranged in sequence along the guide direction of the slide rail, and the guide direction of the slide rail is the axial direction of the rotor.

10. A detection system, characterized in that: The invention comprises a rotor detection device as claimed in any one of claims 1 to 9.

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