Rotor detection equipment and detection system

Abstract

The utility model 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, in particular to a rotor detection equipment and a detection system. BACKGROUND

[0002] In the prior art, when the magnetic sleeve of the rotor is detected, the magnetic sleeve and the magnetic sleeve need to be detected separately, and the detection efficiency is low. In the detection process, there is also the problem of large rotor runout, which further affects the accuracy and reliability of the detection result. Therefore, it is an urgent need to develop a detection device that can improve the detection efficiency and accuracy of the rotor magnetic sleeve and effectively reduce the runout difference. CONTENT OF THE INVENTION

[0003] The present application aims to provide a rotor detection equipment and a detection system to solve the problem of low detection efficiency, poor accuracy and reliability of the existing detection device for the rotor.

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

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

[0006] 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 arranged in sequence along the axial direction of the rotor, and the magnetic ring detection assembly is opposite to the magnetic ring of the rotor, and the magnetic sleeve detection assembly is opposite to the magnetic sleeve of the rotor.

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

[0008] The first detection circuit board is installed on the first bracket, and the first detection circuit board is opposite to the end face 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 slot, and the first detection circuit board is installed in the first mounting slot;

[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 communicated with the first mounting slot, and one end of the rotating shaft of the rotor close to the magnetic ring penetrates the first through hole and the first through hole to connect the driving mechanism.

[0011] Further, the first through hole is provided with a first bearing, and a rotating shaft of the rotor is arranged on an inner ring of the first bearing.

[0012] Further, the magnetic sleeve detection assembly comprises a second support and a second detection circuit board.

[0013] The second detection circuit board is arranged on the second support and opposite to an outer circumferential surface of the magnetic sleeve, and the second detection circuit board is provided with a Hall element to detect a magnetic pole angle of the magnetic sleeve.

[0014] Further, the supporting mechanism comprises a first supporting column and an abutting piece.

[0015] The abutting piece is rotatably arranged on the first supporting column and abuts on an end of the rotating shaft of the rotor away from the driving mechanism.

[0016] The first supporting column is provided with a mounting hole, the mounting hole is provided with a second bearing, and the abutting piece is arranged on an inner ring of the second bearing.

[0017] Further, the supporting mechanism comprises a second supporting column and a supporting bottom plate.

[0018] The first supporting column and the second supporting column are connected with the supporting bottom plate, and the second supporting column is located between the first supporting column and the detection mechanism.

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

[0020] Further, the driving mechanism comprises a third support, a driving device and a connecting piece.

[0021] The driving device is arranged on the third support, a driving end of the driving device is connected with one end of the connecting piece, and the other end of the connecting piece is connected with the rotating shaft of the rotor to drive the rotor to rotate.

[0022] Further, the guiding rail mechanism is further provided.

[0023] The guiding rail mechanism comprises a slide rail and a plurality of sliding blocks arranged on the slide rail, the driving mechanism, the magnetic ring detection assembly, the magnetic sleeve detection assembly and the supporting mechanism are provided with the sliding blocks, the driving mechanism, the magnetic ring detection assembly, the magnetic sleeve detection assembly and the supporting mechanism are sequentially arranged along a guiding direction of the slide rail, and the guiding direction of the slide rail is an axial direction of the rotor.

[0024] The application also provides a detection system comprising the rotor detection device.

[0025] Compared with the prior art, the application has the following beneficial effects:

[0026] The rotor detection device provided by the application can simultaneously detect the magnetic pole angles of the magnetic ring and the magnetic sleeve of the rotor, is convenient and fast to detect, improves the detection efficiency, can ensure that the rotating movement of the rotor is more stable, avoids the jumping phenomenon of the rotating rotor, and thus improves the detection accuracy.

[0027] The application also provides a detection system comprising the rotor detection device. Based on the above analysis, the detection system also has the beneficial effects described above, and will not be described here. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the application, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0029] Figure 1 The first structural schematic diagram of the rotor detection device provided by the application;

[0030] Figure 2 The second structural schematic diagram of the rotor detection device provided by the application;

[0031] Figure 3 The structural schematic diagram of the driving mechanism provided by the application;

[0032] Figure 4 The structural schematic diagram of the magnetic ring detection assembly provided by the application;

[0033] Figure 5 The structural schematic diagram of the magnetic sleeve detection assembly provided by the application;

[0034] Figure 6 The structural schematic diagram of the support mechanism provided by the application.

[0035] In the drawings: 100-driving mechanism; 101-motor; 103-third support; 104-adaptor;

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

[0037] 300 - magnetic sleeve detection assembly; 301 - second detection circuit board; 302 - second support; 303 - second mounting groove;

[0038] 400 - support mechanism; 401 - second support column; 402 - third bearing; 405 - abutting piece; 406 - second bearing; 407 - first support column; 410 - support bottom plate;

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

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

[0041] The technical solutions of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope 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" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the present application. In addition, the terms "second", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] Embodiment one

[0045] Reference Figures 1 to 6As shown, the rotor detection device provided in the application comprises a driving mechanism 100, a detection mechanism and a supporting mechanism 400; the driving mechanism 100 is used for driving the rotation of a rotor 600; the supporting mechanism 400 is used for supporting the rotor 600, and the rotor 600 can rotate relative to the supporting mechanism 400; the detection mechanism comprises a magnetic ring detection assembly 200 and a magnetic sleeve detection assembly 300, the magnetic ring detection assembly 200 and the magnetic sleeve detection assembly 300 are sequentially arranged along the axial direction of the rotor 600, and the magnetic ring detection assembly 200 is opposite to a magnetic ring 602 of the rotor 600, and the magnetic sleeve detection assembly 300 is opposite to a magnetic sleeve 603 of the rotor 600.

[0046] Specifically, when the rotor 600 is detected, the driving mechanism 100 drives the rotation of the rotor 600, so that the magnetic ring 602 and the magnetic sleeve 603 of the rotor 600 generate rotating magnetic fields respectively. In the process of 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, so as to ensure that the rotating movement of the rotor 600 is more stable, and the jumping phenomenon of the rotating rotor 600 is avoided. The rotor 600 comprises a rotating shaft 601 and the magnetic ring 602 and the magnetic sleeve 603 sleeved on the rotating shaft 601, the driving mechanism 100 drives the rotation of the rotating shaft 601, so as to drive the synchronous rotation of the magnetic ring 602 and the magnetic sleeve 603, thereby making the magnetic ring 602 and the magnetic sleeve 603 generate rotating magnetic fields respectively. The magnetic ring detection assembly 200 and the magnetic sleeve detection assembly 300 are sequentially arranged along the axial direction of the rotating shaft 601, wherein the magnetic ring detection assembly 200 is opposite to the magnetic ring 602, so that the magnetic ring detection assembly 200 can detect the pole angle of the magnetic ring 602; at the same time, the magnetic sleeve detection assembly 300 is opposite to the magnetic sleeve 603, so that the magnetic sleeve detection assembly 300 can detect the pole angle of the magnetic ring 602.

[0047] The rotor detection device provided in the application can synchronously detect the pole angles of the magnetic ring 602 and the magnetic sleeve 603 of the rotor 600, is convenient and fast in detection, improves the detection efficiency, can ensure that the rotating movement of the rotor 600 is more stable, avoids the jumping phenomenon of the rotating rotor 600, and thus improves the detection precision.

[0048] In the optional scheme of the embodiment, the rotor detection device further comprises a guide rail mechanism 500; the guide rail mechanism 500 comprises a sliding rail 501 and a plurality of sliding blocks 502 mounted on the sliding 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 the sliding blocks 502; the driving mechanism 100, the magnetic ring detection assembly 200, the magnetic sleeve detection assembly 300 and the supporting mechanism 400 are sequentially arranged along the guide direction of the sliding rail 501, and the guide direction of the sliding 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 with one end of the rotating shaft 601 to drive the rotation of the rotor 600 and plays a certain supporting role on the rotor 600, the supporting mechanism 400 is connected with the rotating shaft 601 from the other end, thereby more stably supporting 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] In the detection, since the driving mechanism 100, the detection mechanism and the supporting mechanism 400 are all installed on the slide rail 501 through the slide block 502, and the guide direction of the slide rail 501 is the axial direction of the rotor 600. When different models of the rotor 600 are detected, the driving mechanism 100, the magnetic ring detection assembly 200, the magnetic sleeve detection assembly 300 and the supporting mechanism 400 can be respectively slid to adjust the positions of the respective structures, and after adjustment, the positions of the slide blocks 502 can be locked, thereby corresponding to realize the driving, detection and supporting of the rotor 600. The setting of the guide rail mechanism 500 can ensure the coaxiality of the above-mentioned structures with the rotor 600 when adjusting the positions, thereby improving the detection precision.

[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 manual, pneumatic, electric or other driving modes.

[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 connecting holes, corresponding threaded holes are formed on the slide block 502, and screws are connected with the threaded holes of the slide block 502 through the connecting holes, thereby connecting the above-mentioned structures with the slide block 502. When locking the above-mentioned structures, the bolts can be rotated to pass through the threaded holes on the slide block 502 and abut on the slide rail 501, thereby realizing the locking of each structure; when adjusting the positions of the above-mentioned structures, the bolts can be reversely rotated to move away from the slide rail 501, but the bolts still remain connected with the slide block 502, and the slide block 502 is unlocked, thereby being slidable on the slide rail 501.

[0053] In an optional scheme of the embodiment, the magnetic ring detection assembly 200 comprises a first support 202 and a first detection circuit board 201. The first detection circuit board 201 is installed on the first support 202 to support the first detection circuit board 201. The first detection circuit board 201 is opposite to the end surface 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 signal strength received is higher, and the Hall element can output a Hall signal, so that the magnetic pole angle of the magnetic ring 602 can be accurately detected by a detection instrument.

[0054] In an optional scheme of the embodiment, the first support 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, the support is provided with a first through hole 205, the first through hole 205 is communicated with the first mounting groove, and one end of the rotating shaft 601 of the rotor 600 close to the magnetic ring 602 penetrates through the first through hole 204 and the first through hole 205 to connect the driving mechanism 100.

[0055] In the embodiment, as shown in Figure 4 The first support 202 comprises 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 a base of the first support 202 and is connected with a plurality of sliding blocks 502, the sliding rail 501 is provided with a plurality of sliding grooves, and the plurality of sliding blocks 502 are respectively installed in different sliding grooves on the sliding rail 501 to achieve stable support effect. The first vertical plate is arranged perpendicularly to the sliding 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 penetrates through the first through hole 205 so that the arrangement of the first support 202 does not affect the rotation of the rotor 600. The first vertical plate is arranged spaced apart from the end surface 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 connected with the first vertical plate through bolts, and 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 signal strength received is higher, so that the magnetic pole angle of the magnetic ring 602 can be more accurately detected.

[0056] In an optional scheme of the embodiment, the first through hole 205 is provided with a first bearing 203, and the rotating shaft 601 of the rotor 600 is installed in the inner ring of the first bearing 203, so that the first support 202 can also support and position the rotor 600, so that the rotating movement of the rotor 600 is more stable, the rotating rotor 600 is prevented from jumping, and the detection accuracy is further improved.

[0057] In an optional solution of the embodiment, the magnetic sleeve detection assembly 300 comprises a second support 302 and a second detection circuit board 301; the second detection circuit board 301 is installed on the second support 302, and the second detection circuit board 301 is opposite to the outer circumferential 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 a Hall signal, so that the magnetic pole angle of the magnetic sleeve 603 can be accurately detected by a detection instrument.

[0058] Specifically, as shown in Figure 5 The second support 302 comprises 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 support 302 and is connected with the plurality of sliding blocks 502, and the plurality of sliding blocks 502 are all installed in the same slide channel on the slide rail 501 to achieve stable support effect. The second vertical plate is arranged parallel to the slide rail 501, and the second vertical plate is arranged spaced apart from the outer circumferential 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 connected with the second vertical plate through bolts, and 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 more accurately detected.

[0059] Embodiment two

[0060] The rotor detection device in this embodiment is an improvement on the basis of the above-mentioned embodiment. The technical content disclosed in the above-mentioned embodiment is not repeated, and the content disclosed in the above-mentioned embodiment also belongs to the content disclosed in this embodiment two.

[0061] In an optional solution of the embodiment, the support mechanism 400 comprises a first support column 407 and an abutting piece 405; the abutting piece 405 is rotationally installed on the first support column 407, and the abutting piece 405 abuts on the 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 second bearing 406 is installed in the mounting hole, and the abutting piece 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 abutting piece 405, so that the abutting piece 405 is located at the end of the rotating shaft 601 away from the driving mechanism 100 to push the rotating shaft 601, thereby achieving the fixation of the rotor 600. The second bearing 406 is arranged between the first support column 407 and the abutting piece 405, so that the rotating shaft 601 drives the abutting piece 405 to rotate when the rotating shaft 601 rotates, thereby achieving the fixation of the rotor 600 without affecting the rotation of the rotor 600. As shown in Figure 6 the first support column 407 is provided with a mounting hole, and the first support column 407 is further provided with a gap in communication with the mounting hole. When the second bearing 406 is installed in the mounting hole, the gap of the gap can be enlarged to facilitate the installation of the second bearing 406. After the second bearing 406 is installed, the two parts of the gap formed by the first support column 407 can be locked by screws.

[0063] More specifically, the abutting piece 405 includes a mounting sleeve and a tapered center, a limiting piece and a center. The mounting column is installed in the inner ring of the second bearing 406. The limiting piece is connected with the mounting column and abuts against the end of the second bearing 406 close to the rotating shaft 601. The tapered center is located between the limiting piece and the rotating shaft 601, and can be pushed into the center hole of the rotating shaft 601 to achieve the fixation of the rotating shaft 601.

[0064] In the optional scheme of this embodiment, the support mechanism 400 includes a second support column 401 and a support bottom plate 410. The first support column 407 and the second support column 401 are connected with the support bottom 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 third bearing 402 is installed in the second through hole. The rotating shaft 601 of the rotor 600 is installed in the inner ring of the third bearing 402.

[0065] In this embodiment, the length of the magnetic sleeve 603 at the end of the rotating shaft 601 close to the abutting piece 405 is relatively long. In order to avoid the jumping of the rotating shaft 601 when rotating, the 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 jointly act to further fix the rotating shaft 601, thereby improving the accuracy of detection.

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

[0067] In an alternative of the embodiment, the driving mechanism 100 comprises a third support 103, a driving device and an adapter 104; the driving device is installed on the third support 103, the driving end of the driving device is connected with one end of the adapter 104, and the other end of the adapter 104 is connected with the rotating shaft 601 of the rotor 600, so as to drive the rotor 600 to rotate.

[0068] In the embodiment, as shown in Figure 3 The third support 103 comprises a third horizontal plate and a third vertical plate, the third horizontal plate and the third vertical plate are connected to form an L-shaped structure, the third horizontal plate serves as the base of the third support 103 and is connected with the plurality of sliding blocks 502, the plurality of sliding blocks 502 are respectively installed in different sliding tracks on the slide rail 501, so as to achieve a stable supporting effect. The third vertical plate is arranged perpendicularly to the slide rail 501, the driving device is a motor 101, the motor 101 is installed on one side of the third vertical plate through screws, and the rotor 600 is located on the other side of the third vertical plate. The driving device can penetrate through 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, the adapter 104 is arranged between the motor 101 and the rotating shaft 601, one end of the adapter 104 is in a cylindrical shape and is sleeved on the shaft of the motor 101, the adapter 104 is provided with a connecting hole, a bolt penetrates through the connecting hole and abuts against the shaft of the motor 101, so as 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 matched with the hexagonal hole, the hexagonal head is inserted into the hexagonal hole, so as to achieve the connection with the rotor 600, thereby driving the rotor 600 to rotate.

[0070] Embodiment three

[0071] The embodiment three of the application provides a detection system comprising the rotor detection device of any one of the above-mentioned embodiments, so as to have all the beneficial technical effects of the rotor detection device of any one of the above-mentioned embodiments, which will not be described herein.

[0072] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the application, but not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; 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 application. In addition, those skilled in the art can understand that although some embodiments herein include certain features but not others, the combination of features of different embodiments means to be within the scope of the application and form different embodiments.

Claims

1. A rotor detection device, characterized by, The rotor detection device comprises a driving mechanism, a detection mechanism and a supporting mechanism; The driving mechanism is used for driving the rotation of the rotor; 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 along the axial direction of the rotor, the magnetic ring detection assembly is opposite to the magnetic ring of the rotor, and the magnetic sleeve detection assembly is opposite to the magnetic sleeve of the rotor.

2. The rotor detection apparatus according to claim 1, characterized by The magnetic ring detection assembly comprises 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 apparatus according to claim 2, characterized by 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 penetrating hole, the first penetrating hole is communicated with the first mounting groove, one end of the rotating shaft of the rotor close to the magnetic ring penetrates through the first through hole and the first penetrating hole to connect the driving mechanism.

4. The rotor detection apparatus according to claim 3, characterized by The first penetrating hole is mounted with a first bearing, and the rotating shaft of the rotor is mounted on the inner ring of the first bearing.

5. The rotor detection apparatus according to claim 1, characterized by The magnetic sleeve detection assembly comprises 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 apparatus according to claim 1, characterized by The supporting mechanism comprises a first supporting column and an abutting piece; The abutting piece is rotationally mounted on the first supporting column, and the abutting piece abuts one end of the rotating shaft of the rotor away from the driving mechanism; The first supporting column is provided with a mounting hole, the mounting hole is mounted with a second bearing, and the abutting piece is mounted on the inner ring of the second bearing.

7. The rotor detection apparatus according to claim 6, characterized by The supporting mechanism comprises a second supporting column and a supporting bottom plate; The first supporting column and the second supporting column are connected with the supporting bottom plate, and the second supporting column is located between the first supporting column and the detection mechanism; The second supporting column is provided with a second penetrating hole, the second penetrating hole is mounted with a third bearing, and the rotating shaft of the rotor is mounted on the inner ring of the third bearing.

8. The rotor detection apparatus according to claim 1, characterized by The driving mechanism comprises a third bracket, a driving device and an adapter; The driving device is mounted on the third bracket, one end of the adapter is connected with the driving end of the driving device, and the other end of the adapter is connected with the rotating shaft of the rotor to drive the rotation of the rotor.

9. The rotor detection apparatus according to claim 1, characterized by Further comprising a guide rail mechanism; The guide rail mechanism comprises a sliding rail and a plurality of sliding blocks mounted on the sliding rail; the driving mechanism, the magnetic ring detection assembly, the magnetic sleeve detection assembly and the supporting mechanism are all provided with the sliding blocks; the driving mechanism, the magnetic ring detection assembly, the magnetic sleeve detection assembly and the supporting mechanism are sequentially arranged along the guide direction of the sliding rail, and the guide direction of the sliding rail is the axial direction of the rotor.

10. A detection system characterized by, The rotor detection device comprises the rotor detection device according to any one of claims 1 to 9.

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