CN220323519U

CN220323519U - Rotor magnetic pole detection device

Info

Publication number: CN220323519U
Application number: CN202321354224.3U
Authority: CN
Inventors: 姚智侨; 曾慧平; 梅贤煜; 覃秋荣; 宋梓嘉
Original assignee: Guangdong Ancheng Power Technology Co ltd
Current assignee: Guangdong Ancheng Power Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2024-01-09
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a rotor magnetic pole detection device, which comprises a core seat, wherein a plurality of guide posts are arranged on the core seat, a test cavity is formed among the guide posts, a magnetic pole detection part is arranged above the core seat and is respectively connected with the guide posts, a test groove communicated with the test cavity is arranged on the magnetic pole detection part, and a plurality of groups of polarity detection components are distributed in the magnetic pole detection part around the test groove; the polarity detection component is used for detecting the polarities of adjacent magnetic poles on the rotor and sending out feedback signals; when detecting the polarity, each group of polarity detection components respectively detect the polarities of the adjacent groups of magnetic steels, if the polarities of the adjacent groups of magnetic steels are opposite, the polarity detection components do not have feedback actions, and if the polarities of the adjacent groups of magnetic steels are the same, the polarity detection components send feedback signals to guide staff to check the groups of magnetic steels so as to check the polarity problem; can avoid the defective products to get into the equipment and produce the line and cause unnecessary influence to the motor finished product through this application.

Description

Rotor magnetic pole detection device

Technical Field

The utility model relates to the technical field of motor detection, in particular to a rotor magnetic pole detection device.

Background

The rotor of the permanent magnet motor is surrounded with a plurality of magnetic poles, and the polarities between two adjacent magnetic poles are opposite, when the motor is assembled, if the magnetic poles have wrong polarities, the problem of reworking and maintenance of the motor can be caused; the existing magnetic pole detection generally checks the polarities of the magnetic poles one by means of a magnetic pole pen in a manual mode, and the detection mode is low in efficiency and high in labor cost.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, an object of the present utility model is to provide a rotor magnetic pole detecting device, which automatically detects the polarity of a magnetic pole, and if the polarity of the magnetic pole is problematic, a warning command is issued accordingly to instruct a worker to check the polarity of the magnetic pole.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the magnetic pole detection device for the rotor comprises a core seat, wherein a plurality of guide posts are arranged on the core seat, a test cavity is formed between the guide posts, a magnetic pole detection part is arranged above the core seat and is respectively connected with the guide posts, a test groove communicated with the test cavity is arranged on the magnetic pole detection part, and a plurality of groups of polarity detection components are distributed in the magnetic pole detection part in a surrounding manner; the polarity detection assembly is used for detecting the polarities of adjacent magnetic poles on the rotor and sending out feedback signals.

In the rotor magnetic pole detection device, the polarity detection assembly comprises a first Hall sensor, a second Hall sensor, a first switch assembly, a second switch assembly, a first feedback assembly and a second feedback assembly; the detection ends of the first Hall sensor and the second Hall sensor face the central axis of the test groove, the N pole signal end of the first Hall sensor and the N pole signal end of the second Hall sensor are respectively connected with the first switch assembly, the S pole signal end of the first Hall sensor and the S pole signal end of the second Hall sensor are respectively connected with the second switch assembly, the first feedback assembly is connected with the first switch assembly, and the second feedback assembly is connected with the second switch assembly.

In the rotor magnetic pole detection device, the first switch component comprises a first relay, a second relay and a first power supply part, an N pole signal end of the first Hall sensor is connected with a signal trigger end of the first relay, an N pole signal end of the second Hall sensor is connected with a signal trigger end of the second relay, a public end of the first relay is connected with a public end of the second relay, a normally closed end of the first relay is connected with a first electrode end of the first power supply part, and the first feedback component is respectively connected with a second electrode end of the first power supply part and a normally closed end of the second relay.

In the rotor magnetic pole detection device, the second switch assembly comprises a third relay, a fourth relay and a second power supply part, an S pole signal end of the first Hall sensor is connected with a signal trigger end of the third relay, an S pole signal end of the second Hall sensor is connected with a signal trigger end of the fourth relay, a public end of the third relay is connected with a public end of the fourth relay, a normally closed end of the third relay is connected with a first electrode end of the second power supply part, and the second feedback assembly is respectively connected with a second electrode end of the second power supply part and a normally closed end of the fourth relay.

In the rotor magnetic pole detection device, the first feedback component comprises a first buzzer; the second feedback assembly comprises a second buzzer; the first buzzer is respectively connected with the second electrode end of the first power supply part and the normally closed end of the second relay; the second buzzer is connected with the second electrode end of the second power supply part and the normally closed end of the fourth relay respectively.

In the rotor magnetic pole detection device, the first feedback component comprises a first LED module; the second feedback assembly comprises a second LED module; the first LED module is respectively connected with the second electrode end of the first power supply part and the normally closed end of the second relay; the second LED module is respectively connected with the second electrode end of the second power supply part and the normally closed end of the fourth relay.

In the rotor magnetic pole detection device, a plurality of mounting seats which are matched and connected with the first Hall sensor or the second Hall sensor are arranged in the magnetic pole detection part.

In the rotor magnetic pole detection device, the iron core seat comprises a bottom plate and a supporting plate arranged above the bottom plate, the supporting plate is connected with the bottom plate through a plurality of connecting rods, the supporting plate is positioned in the test cavity, and the guide column is arranged on the bottom plate.

In the rotor magnetic pole detection device, the supporting plate is provided with a shaft positioning hole, and the shaft positioning hole is coaxial with the test cavity.

In the rotor magnetic pole detection device, the magnetic pole detection part is provided with a plurality of sliding holes which are connected with the guide post in a matched mode, and the sliding holes are connected with the guide post through linear bearings.

The beneficial effects are that:

the utility model provides a rotor magnetic pole detection device, wherein a rotor assembly is inserted into a test cavity by a worker, the rotor assembly is positioned through the test cavity, a plurality of magnetic steels are distributed on the periphery of the rotor assembly, a magnetic pole detection part surrounds the periphery of the rotor assembly, when detecting the polarity, each group of magnetic steels are respectively subjected to polarity detection by the polarity detection assemblies, if the polarities of the adjacent groups of magnetic steels are opposite, the polarity detection assemblies do not have feedback action, and if the polarities of the adjacent groups of magnetic steels are the same, the polarity detection assemblies send feedback signals for guiding the worker to inspect the groups of magnetic steels so as to check the polarity problem; through this application can be convenient for carry out polarity detection to rotor subassembly, avoid defective products rotor subassembly to get into in the equipment production line and cause unnecessary influence to the motor finished product.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a rotor magnetic pole detection device provided by the utility model;

fig. 2 is a schematic diagram of an internal structure of the rotor magnetic pole detection device provided by the utility model;

FIG. 3 is a view showing a state of use of the rotor pole detection device according to the present utility model;

fig. 4 is a circuit connection diagram of a polarity detecting assembly in the rotor pole detecting device provided by the utility model.

Description of main reference numerals: the magnetic force sensor comprises a 1-iron core seat, a 11-bottom plate, a 12-supporting plate, a 13-connecting rod, a 14-positioning hole, a 2-guide column, a 21-testing cavity, a 3-magnetic pole detection part, a 31-testing groove, a 4-polarity detection component, a 41-first Hall sensor, a 42-second Hall sensor, a 43-first switch component, a 431-first relay, a 432-second relay, a 44-second switch component, a 441-third relay, a 442-fourth relay, a 5-rotor component, 6-magnetic steel and a 7-center shaft.

Detailed Description

The utility model provides a rotor magnetic pole detection device, which is used for making the purpose, technical scheme and effect of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the terms "middle", "inside", "outside", etc. are the azimuth or positional relationship of the present utility model based on the drawings, and are merely for convenience of description of the present utility model and simplification of the description. In addition, the terms "first," "second," "third," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Referring to fig. 1 to 4, the present utility model provides a rotor magnetic pole detection device, which includes a core seat 1, a plurality of guide posts 2 are provided on the core seat 1, a test cavity 21 is formed between the plurality of guide posts 2, a magnetic pole detection portion 3 is provided above the core seat 1, the magnetic pole detection portion 3 is respectively connected with the plurality of guide posts 2, a test slot 31 communicating with the test cavity 21 is provided on the magnetic pole detection portion 3, and a plurality of groups of polarity detection assemblies 4 are distributed around the test slot 31 in the magnetic pole detection portion 3; the polarity detection assembly 4 is used for detecting the polarities of adjacent magnetic poles on the rotor and sending out feedback signals.

In actual use, a worker inserts the rotor assembly 5 into the test cavity 21, positions the rotor assembly 5 through the test cavity 21, a plurality of magnetic steels 6 are distributed on the periphery of the rotor assembly 5, the magnetic pole detection parts 3 encircle the periphery of the rotor assembly 5, when the polarities are detected, each group of the polarity detection assemblies 4 respectively detect the polarities of the adjacent groups of the magnetic steels 6, if the polarities of the adjacent groups of the magnetic steels 6 are opposite, the polarity detection assemblies 4 do not have feedback action, and if the polarities of the adjacent groups of the magnetic steels 6 are the same, the polarity detection assemblies 4 send feedback signals for guiding the worker to check the groups of the magnetic steels 6 so as to check the polarity problem; polarity detection can be conveniently carried out to the rotor assembly 5 through this application, avoid defective products rotor assembly 5 to get into in the equipment production line and cause unnecessary influence to the motor finished product.

For ease of understanding, the auxiliary description is understood by: assuming that the polarities of the adjacent group of magnetic steels 6 are respectively N pole and S pole, when the polarity detection assembly 4 detects that the N pole magnetic steels and the S pole magnetic steels exist, no feedback signal exists; assuming that the polarities of the adjacent groups of magnetic steels 6 are both N poles or both S poles, when the polarity detection assembly 4 detects that two N pole magnetic steels or two S pole magnetic steels exist, a feedback signal is sent out.

As shown in fig. 1 to 4, further, the polarity detection assembly 4 includes a first hall sensor 41, a second hall sensor 42, a first switch assembly 43, a second switch assembly 44, a first feedback assembly (not shown in the figures), and a second feedback assembly (not shown in the figures); the detection ends of the first hall sensor 41 and the second hall sensor 42 face the central axis 7 of the test slot 31, the N-pole signal end of the first hall sensor 41 and the N-pole signal end of the second hall sensor 42 are respectively connected with the first switch assembly 43, the S-pole signal end of the first hall sensor 41 and the S-pole signal end of the second hall sensor 42 are respectively connected with the second switch assembly 44, the first feedback assembly is connected with the first switch assembly 43, and the second feedback assembly is connected with the second switch assembly 44; the first switch component 43 is configured to conduct according to signals of N-pole signal terminals of the first hall sensor 41 and the second hall sensor 42, and send a start signal to the first feedback component; the first switch component 43 is configured to conduct according to signals of the S-pole signal terminals of the first hall sensor 41 and the second hall sensor 42, and send a start signal to the second feedback component; when in use, the polarities of the two adjacent magnetic steels 6 are detected by the first Hall sensor 41 and the second Hall sensor 42, and the first Hall sensor 41 and the second Hall sensor 42 send detection signals to the first switch assembly 43 or the second switch assembly 44 so that the first switch assembly 43 or the second switch assembly 44 can perform corresponding feedback actions.

The whole process is divided into the following three states:

1. when the first switch component 43 receives signals sent by the N-pole signal terminals of the first hall sensor 41 and the second hall sensor 42 at the same time, the first switch component 43 is turned on, and the first switch component 43 sends a start signal to the first feedback component, so that the first feedback component makes a corresponding warning signal to a worker, and the indication signal indicates that the adjacent magnetic steel 6 has the same N-pole polarity.

2. When the second switch assembly 44 receives the signals sent by the S pole signal terminals of the first hall sensor 41 and the second hall sensor 42, the second switch assembly 44 is turned on, and the second switch assembly 44 sends a start signal to the second feedback assembly, so that the second feedback assembly sends a corresponding warning signal to the staff, and the indication signal indicates that the adjacent magnetic steel 6 has the same S pole polarity problem.

3. When the first hall sensor 41 and the second hall sensor 42 are opposite magnetic poles, the first switch assembly and the second switch assembly 44 only receive one polarity signal sent by the first hall sensor 41 or one polarity signal sent by the second hall sensor 42, the first switch assembly 43 and the second switch assembly 44 are kept in a normally closed state, the first feedback assembly and the second feedback assembly have no warning signal, and the problem that the magnetic poles of the adjacent magnetic steels 6 do not have the same poles is indicated.

It should be noted that, the first hall sensor 41 and the second hall sensor 42 are existing hall sensor structures, and the specific structure and the working principle are all the existing technologies, which are not described herein again.

As shown in fig. 1 to 4, further, the first switch assembly 43 includes a first relay 431, a second relay 432, and a first power supply part (not shown in the drawings), the N-pole signal terminal of the first hall sensor 41 is connected to the signal trigger terminal of the first relay 431, the N-pole signal terminal of the second hall sensor 42 is connected to the signal trigger terminal of the second relay 432, the common terminal of the first relay 431 is connected to the common terminal of the second relay 432, the normally-closed terminal of the first relay 431 is connected to the first electrode terminal of the first power supply part, and the first feedback assembly is connected to the second electrode terminal of the first power supply part and the normally-closed terminal of the second relay 432, respectively; when the magnetic steel 6 is detected to be of the polarity of N pole by the first Hall sensor 41, the signal terminal of the N pole sends a signal to the signal trigger terminal of the first relay 431 to conduct the normally closed terminal of the first relay 431, and if the magnetic steel 6 is detected to be of the polarity of S pole by the first Hall sensor 41, the signal terminal of the N pole is not provided, and the first relay 431 is in the normally closed state; if the second hall sensor 42 detects that the polarity of the magnetic steel 6 is N-pole, the N-pole signal end sends a signal to the signal trigger end of the second relay 432, so that the normally closed end of the second relay 432 is conducted, and if the second hall sensor 42 detects that the polarity of the magnetic steel 6 is S-pole, the N-pole signal end is not provided with a signal, and the second relay 432 is in a normally closed state; only when the first hall sensor 41 and the second hall sensor 42 detect that the magnetic steel 6 is N-pole, the first relay 431 and the second relay 432 are conducted simultaneously, so that the common end and the normally-closed end of the first feedback assembly, the first power supply part and the first relay 431 and the common end and the normally-closed end of the second relay 432 form a loop, the work control of the first feedback assembly is realized, and the warning effect on staff is achieved.

As shown in fig. 1 to 4, further, the second switch assembly 44 includes a third relay 441, a fourth relay 442, and a second power supply portion (not shown in the drawings), the S-pole signal terminal of the first hall sensor 41 is connected to the signal trigger terminal of the third relay 441, the S-pole signal terminal of the second hall sensor 42 is connected to the signal trigger terminal of the fourth relay 442, the common terminal of the third relay 441 is connected to the common terminal of the fourth relay 442, the normally-closed terminal of the third relay 441 is connected to the first electrode terminal of the second power supply portion, and the second feedback assembly is respectively connected to the second electrode terminal of the second power supply portion and the normally-closed terminal of the fourth relay 442; when in use, if the first hall sensor 41 detects that the polarity of the magnetic steel 6 is the S pole, the S pole signal end sends a signal to the signal trigger end of the third relay 441 to conduct the normally closed end of the third relay 441, if the first hall sensor 41 detects that the polarity of the magnetic steel 6 is the N pole, the N pole signal end of the first hall sensor 41 has no signal, and the third relay 441 is in a normally closed state; if the second hall sensor 42 detects that the polarity of the magnetic steel 6 is the S pole, the S pole signal end sends a signal to the signal trigger end of the fourth relay 442 to conduct the normally closed end of the fourth relay 442, and if the second hall sensor 42 detects that the polarity of the magnetic steel 6 is the N pole, the N pole signal end of the second hall sensor 42 has no signal, and the fourth relay 442 is in the normally closed state; only when the first hall sensor 41 and the second hall sensor 42 detect that the magnetic steel 6 is the S pole at the same time, the third relay 441 and the fourth relay 442 are turned on at the same time, so that the common end and the normally closed end of the second feedback assembly, the second power supply portion and the third relay 441 and the common end and the normally closed end of the fourth relay 442 form a loop, thereby realizing the work control of the second feedback assembly and playing a role in warning the staff.

It should be noted that, the first power supply portion and the second power supply portion are all the existing constant current driving power supply, constant voltage driving power supply or cross-current constant voltage driving power supply, and the specific structure and the working principle are all the prior art, and are not described here again.

As shown in fig. 1 to 4, in one embodiment, the first feedback assembly includes a first buzzer; the second feedback assembly comprises a second buzzer; the first buzzer is respectively connected with the second electrode end of the first power supply part and the normally closed end of the second relay 432; the second buzzer is connected with a second electrode end of the second power supply part and a normally closed end of the fourth relay 442 respectively; when the first relay 431 and the second relay 432 are conducted, a normally-closed end of the first relay 431, the first power supply part, the first buzzer, a normally-closed end of the second relay 432, a public end of the second relay 432 and a public end of the first relay 431 form a loop, so that the first power supply part supplies power to the first buzzer to start the first buzzer to warn a worker to check the polarity of the magnetic steel 6; similarly, the second buzzer is controlled to perform work control in the mode, so that the second buzzer is started to warn a worker to check the polarity of the magnetic steel 6; in addition, through setting up first bee calling organ and second bee calling organ can make the staff distinguish the magnetism of adjacent magnet steel 6 fast, need not to carry out the check-up to the polarity of magnet steel 6 alone again, can be convenient for the staff and replace magnet steel 6 directly.

As shown in fig. 1 to 4, in another embodiment, the first feedback assembly includes a first LED module; the second feedback assembly comprises a second LED module; the first LED module is respectively connected with the second electrode end of the first power supply part and the normally closed end of the second relay 432; the second LED module is connected to the second electrode terminal of the second power supply unit and the normally closed terminal of the fourth relay 442, respectively. When the first relay 431 and the second relay 432 are conducted, a normally-closed end of the first relay 431, the first power supply part, the first LED module, a normally-closed end of the second relay 432, a public end of the second relay 432 and a public end of the first relay 431 form a loop, so that the first power supply part supplies power to the first LED module to start the first LED module to warn a worker to check the polarity of the magnetic steel 6; similarly, the second LED module is controlled to perform work control in the mode, so that the second LED module is started to warn staff to check the polarity of the magnetic steel 6; in addition, through setting up first LED module and second LED module can make the staff distinguish the magnetism of adjacent magnet steel 6 fast, need not to carry out the check-up to the polarity of magnet steel 6 alone again, can be convenient for the staff and replace magnet steel 6 directly.

It should be noted that, the first LED module and the second LED module are both existing LED lamp structures, and the specific structure and the working principle are all in the prior art, and are not described herein again.

As shown in fig. 1 to 4, further, a plurality of mounting seats are provided in the magnetic pole detecting portion 3, and are cooperatively connected with the first hall sensor 41 or the second hall sensor 42; the quick connection and installation between the first hall sensor 41 and the second hall sensor 42 and the magnetic pole detecting portion 3 can be facilitated by providing the mounting seat.

As shown in fig. 1 to 4, further, the core holder 1 includes a bottom plate 11 and a supporting plate 12 disposed above the bottom plate 11, the supporting plate 12 is connected to the bottom plate 11 through a plurality of connecting rods 13, the supporting plate 12 is located in the test cavity 21, and the guide post 2 is disposed on the bottom plate 11; when the rotor assembly is used, the supporting plate 12 is arranged to facilitate supporting and positioning of the bottom of the rotor assembly 5, so that the stability of the rotor assembly 5 in the test cavity 21 is improved, and the problem of position deviation of the rotor assembly 5 is avoided.

As shown in fig. 1 to 4, further, the supporting plate 12 is provided with a shaft positioning hole 14, and the shaft positioning hole 14 is coaxial with the test cavity 21; the center shaft 7 in the rotor assembly 5 can be positioned by arranging the shaft positioning hole 14, so that the positioning effect of the rotor assembly 5 in the test cavity 21 is improved, and the problem of position deviation of the rotor assembly 5 is prevented.

As shown in fig. 1 to 4, further, the magnetic pole detection part 3 is provided with a plurality of slide holes (not shown in the drawings) cooperatively connected with the guide post 2, the slide holes being connected with the guide post 2 through a linear bearing (not shown in the drawings); through the arrangement, the magnetic pole detection part 3 can slide along the guide post 2, so that the detection position between the magnetic pole detection part 3 and the rotor assembly 5 is adjusted, and the flexibility of the application in use is improved.

In summary, the staff inserts the rotor assembly 5 into the test cavity 21, positions the rotor assembly 5 through the test cavity 21, and distributes a plurality of magnetic steels 6 around the periphery of the rotor assembly 5, the magnetic pole detection parts 3 surround the periphery of the rotor assembly 5, when detecting the polarities, each set of the polarity detection assemblies 4 respectively detect the polarities of a set of adjacent magnetic steels 6, if the polarities of the adjacent magnetic steels 6 of a set are opposite, the polarity detection assemblies 4 do not have feedback actions, and if the polarities of the adjacent magnetic steels 6 of a set are the same, the polarity detection assemblies 4 send feedback signals to instruct the staff to inspect the set of magnetic steels 6 so as to check the polarity problem; polarity detection can be conveniently carried out to the rotor assembly 5 through this application, avoid defective products rotor assembly 5 to get into in the equipment production line and cause unnecessary influence to the motor finished product.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.

Claims

1. The rotor magnetic pole detection device is characterized by comprising a core seat, wherein a plurality of guide posts are arranged on the core seat, a test cavity is formed between the guide posts, a magnetic pole detection part is arranged above the core seat and is respectively connected with the guide posts, a test groove communicated with the test cavity is arranged on the magnetic pole detection part, and a plurality of groups of polarity detection components are distributed in the magnetic pole detection part around the test groove; the polarity detection assembly is used for detecting the polarities of adjacent magnetic poles on the rotor and sending out feedback signals.

2. The rotor pole detection apparatus of claim 1, wherein the polarity detection assembly comprises a first hall sensor, a second hall sensor, a first switch assembly, a second switch assembly, a first feedback assembly, and a second feedback assembly; the detection ends of the first Hall sensor and the second Hall sensor face the central axis of the test groove, the N pole signal end of the first Hall sensor and the N pole signal end of the second Hall sensor are respectively connected with the first switch assembly, the S pole signal end of the first Hall sensor and the S pole signal end of the second Hall sensor are respectively connected with the second switch assembly, the first feedback assembly is connected with the first switch assembly, and the second feedback assembly is connected with the second switch assembly.

3. The rotor pole detection device according to claim 2, wherein the first switch assembly includes a first relay, a second relay, and a first power supply portion, an N-pole signal terminal of the first hall sensor is connected to a signal trigger terminal of the first relay, an N-pole signal terminal of the second hall sensor is connected to a signal trigger terminal of the second relay, a common terminal of the first relay is connected to a common terminal of the second relay, a normally-closed terminal of the first relay is connected to a first electrode terminal of the first power supply portion, and the first feedback assembly is connected to a second electrode terminal of the first power supply portion and a normally-closed terminal of the second relay, respectively.

4. A rotor pole detection apparatus according to claim 3, wherein the second switch assembly includes a third relay, a fourth relay, and a second power supply portion, the S-pole signal terminal of the first hall sensor is connected to the signal trigger terminal of the third relay, the S-pole signal terminal of the second hall sensor is connected to the signal trigger terminal of the fourth relay, the common terminal of the third relay is connected to the common terminal of the fourth relay, the normally-closed terminal of the third relay is connected to the first electrode terminal of the second power supply portion, and the second feedback assembly is connected to the second electrode terminal of the second power supply portion and the normally-closed terminal of the fourth relay, respectively.

5. The rotor pole inspection device of claim 4, wherein the first feedback assembly comprises a first buzzer; the second feedback assembly comprises a second buzzer; the first buzzer is respectively connected with the second electrode end of the first power supply part and the normally closed end of the second relay; the second buzzer is connected with the second electrode end of the second power supply part and the normally closed end of the fourth relay respectively.

6. The rotor pole inspection device of claim 4, wherein the first feedback assembly comprises a first LED module; the second feedback assembly comprises a second LED module; the first LED module is respectively connected with the second electrode end of the first power supply part and the normally closed end of the second relay; the second LED module is respectively connected with the second electrode end of the second power supply part and the normally closed end of the fourth relay.

7. The rotor pole detection device according to claim 2, wherein a plurality of mounting seats are provided in the pole detection portion, and the mounting seats are cooperatively connected with the first hall sensor or the second hall sensor.

8. The rotor pole inspection device of claim 1, wherein the core mount comprises a base plate and a brace plate disposed above the base plate, the brace plate being connected to the base plate by a plurality of connecting rods, the brace plate being disposed in the test cavity, the guide posts being disposed on the base plate.

9. The rotor pole inspection device of claim 8, wherein the brace is provided with a shaft locating hole that is concentric with the test chamber.

10. The rotor pole inspection apparatus of claim 1, wherein the pole inspection portion is provided with a plurality of slide holes cooperatively connected with the guide post, the slide holes being connected with the guide post through linear bearings.