On-line detection equipment for magnetic flux of multi-pole magnetic ring of brushless motor

Abstract

The utility model relates to the technical field of multi-stage magnetic rings, and discloses a brushless motor multi-stage magnetic ring magnetic flux on-line detection device comprising a reciprocating screw rod which is rotatably connected in a frame body, and the right end of the reciprocating screw rod passes through and extends to the outside of the frame body; the threaded block is in threaded connection with the reciprocating lead screw, and a groove for the threaded block to move is formed in the frame body; the first electric push rod is fixedly connected to the bottom left side of the connecting plate; the second electric push rod is fixedly connected to the bottom right side of the connecting plate; the electromagnets are symmetrically arranged at the bottoms of the first electric push rod and the second electric push rod; and the guide rod is fixedly connected to the top of the threaded block. The first electric push rod and the second electric push rod move left and right in a reciprocating mode, the first electric push rod and the bottom electromagnet feed the to-be-detected multi-stage magnetic ring, meanwhile, the second electric push rod and the bottom electromagnet discharge the detected multi-stage magnetic ring, convenience and rapidness are achieved, and the efficiency of detecting the magnetic flux of the multi-stage magnetic ring is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to multi -stage magnetic ring technical field, concretely is a kind of brushless motor multi -pole magnetic ring magnetic flux on -line detection equipment. BACKGROUND

[0002] Brushless motor, also known as brushless DC motor, is a kind of motor using electronic commutator to realize DC to AC conversion. Multi-pole magnetic ring is a kind of ring magnet used more in motor field, which can generate higher electromagnetic force in a short time, so that the brushless motor can start and reverse more quickly, and the speed regulation and load adjustment of the motor can be completed in a short time, improving the efficiency of the motor. The multi-stage magnetic ring needs to be installed in front of the brushless motor for magnetic flux detection.

[0003] The existing device detects the magnetic flux of the multi-stage magnetic ring, which mainly relies on manual placement of the multi-stage magnetic ring on the magnetic flux calibration plate. After the magnetic flux is tested, the multi-stage magnetic ring is removed and the data is recorded. However, when the number of multi-stage magnetic rings to be detected is large, the above operation steps are cumbersome, which reduces the detection efficiency of the multi-stage magnetic ring. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the shortcomings of the prior art, the utility model provides a kind of brushless motor multi -pole magnetic ring magnetic flux on -line detection equipment, with the advantage of improving detection efficiency, solve the problem that the existing device needs to be placed in turn in the magnetic flux calibration plate when detecting the magnetic flux of multi-stage magnetic ring, then take down and record data in turn, when the number of multi-stage magnetic rings to be detected is large, reduce the detection efficiency.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a kind of brushless motor multi -pole magnetic ring magnetic flux on -line detection equipment, including main component, the main component includes:

[0008] Detection table, its top is provided with magnetic flux calibration plate;

[0009] Magnetic flux measuring instrument is set to the top of the detection table, and is electrically connected with the magnetic flux calibration plate;

[0010] The detection table is provided with feeding and discharging assembly, and the feeding and discharging assembly includes:

[0011] Support is set to the top of the detection table;

[0012] Frame is set to the support;

[0013] Reciprocating screw rod, rotationally connected to the inside of the frame, the reciprocating screw rod right end through and extend to the outside of the frame;

[0014] Motor, provided on the outside wall of the frame, the output shaft is fixedly connected with the right end of the reciprocating screw rod;

[0015] Threaded block, threaded connection on the reciprocating screw rod, the frame is provided with a groove for the threaded block activity;

[0016] Connecting plate, fixedly connected to the bottom of the threaded block;

[0017] Electric push rod one, fixedly connected to the bottom left side of the connecting plate;

[0018] Electric push rod two, fixedly connected to the bottom right side of the connecting plate;

[0019] Electromagnet, symmetrically provided on the bottom of the electric push rod one and the electric push rod two;

[0020] Guide rod, fixedly connected to the top of the threaded block, the guide rod top end through and extend to the top of the frame, the frame top is provided with a through slot for the guide rod activity;

[0021] Sensor one, provided on the top left side of the frame, and the motor, the electric push rod one, the electromagnet and the electric push rod two are electrically connected through the controller;

[0022] Sensor two, provided on the top right side of the frame, and the motor, the electric push rod one, the electromagnet and the electric push rod two are electrically connected through the controller.

[0023] Preferably, the electromagnet bottom is provided with a cushion.

[0024] Preferably, the connecting plate is fixedly connected with a sliding block on the side close to the support, the rear side wall of the frame is symmetrically provided with a support, the support is fixedly connected with a slide rod, and the sliding block is through and slidingly connected on the slide rod.

[0025] Preferably, the sliding block is symmetrically provided with multiple groups, and at least two groups are provided.

[0026] Preferably, the top left side of the detection table is provided with a conveying belt one, and the top right side of the detection table is provided with a conveying belt two.

[0027] Preferably, the top of the detection table is provided with a printer, and the printer is electrically connected with the magnetic flux measuring instrument through the controller.

[0028] (Three) beneficial effects

[0029] Compared with the prior art, the utility model provides a kind of brushless motor multipole magnetic ring magnetic flux on-line detection equipment, with following beneficial effects:

[0030] The detection equipment has the advantages of improving detection efficiency. The electric push rod one and the electric push rod two are simultaneously elongated downward. The electromagnet at the bottom of the electric push rod one adsorbs the multi-stage magnetic ring to be detected. The electromagnet at the bottom of the electric push rod two adsorbs the multi-stage magnetic ring that has completed detection in the magnetic flux calibration plate. After adsorption is completed, the electric push rod one and the electric push rod two are retracted and move to the right. When the electric push rod one drives the multi-stage magnetic ring to be detected to run directly above the magnetic flux calibration plate, the electric push rod one and the electric push rod two are elongated downward. The power supply of the electromagnet is disconnected. The electric push rod one places the multi-stage magnetic ring to be detected in the magnetic flux calibration plate. The electric push rod two takes out the multi-stage magnetic ring that has completed detection from the magnetic flux calibration plate. The electric push rod one and the electric push rod two move back and forth to realize the feeding of the multi-stage magnetic ring to be detected by the electric push rod one and the bottom electromagnet at the same time as the discharging of the multi-stage magnetic ring that has completed detection by the electric push rod two and the bottom electromagnet. This is convenient and efficient, and improves the efficiency of multi-stage magnetic ring magnetic flux detection. The existing device needs to place the multi-stage magnetic ring on the magnetic flux calibration plate one by one when detecting the magnetic flux of the multi-stage magnetic ring. Then, the multi-stage magnetic ring is taken out one by one and the data is recorded. When the number of multi-stage magnetic rings to be detected is large, the detection efficiency is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the utility model;

[0032] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0033] Figure 3 It is a front view cross-sectional structural schematic diagram of the frame body in the utility model;

[0034] Figure 4 It is a rear view structural schematic diagram of the frame body in the utility model.

[0035] In the figure:

[0036] 1, main component; 11, detection table; 12, magnetic flux calibration plate; 13, magnetic flux measuring instrument;

[0037] 2, feeding and discharging assembly; 21, frame body; 211, support; 22, reciprocating screw rod; 221, motor; 23, threaded block; 231, connecting plate; 24, electric push rod one; 25, electric push rod two; 26, electromagnet; 261, cushion; 27, guide rod; 271, sensor one; 272, sensor two;

[0038] 3, sliding block; 31, support; 32, sliding rod; 4, conveying belt one; 41, conveying belt two; 5, printer. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0040] Embodiment one

[0041] Referring to Figures 1-4 A brushless motor multi-pole magnetic ring magnetic flux online detection equipment, including main component 1, the main component 1 includes: detection table 11, its top is provided with magnetic flux calibration plate 12;Magnetic flux measuring instrument 13 is arranged on the top of the detection table 11, and is electrically connected with the magnetic flux calibration plate 12;The detection table 11 is provided with feeding and discharging assembly 2, the feeding and discharging assembly 2 includes: support 211, is arranged on the top of the detection table 11;Frame 21 is arranged on the support 211;Reciprocating screw rod 22 is rotatably connected inside the frame 21, the reciprocating screw rod 22 right end penetrates and extends to the outside of the frame 21;Motor 221 is arranged on the outer wall of the frame 21, the output shaft is fixedly connected with the reciprocating screw rod 22 right end;Screw block 23 is screw-connected on the reciprocating screw rod 22, the recess is formed in the frame 21, and the screw block 23 can move in the recess;Connecting plate 231 is fixedly connected to the bottom of the screw block 23;Electric push rod one 24 is fixedly connected to the bottom left side of the connecting plate 231;Electric push rod two 25 is fixedly connected to the bottom right side of the connecting plate 231;Electromagnet 26 is symmetrically arranged on the bottom of the electric push rod one 24 and the electric push rod two 25;Guide rod 27 is fixedly connected to the top of the screw block 23, the guide rod 27 top end penetrates and extends to the top of the frame 21, and the top of the frame 21 is provided with a through slot for the guide rod 27 to move in;Sensor one 271 is arranged on the top left side of the frame 21, and is electrically connected with the motor 221, the electric push rod one 24, the electromagnet 26 and the electric push rod two 25 through the controller;Sensor two 272 is arranged on the top right side of the frame 21, and is electrically connected with the motor 221, the electric push rod one 24, the electromagnet 26 and the electric push rod two 25 through the controller. The bottom of the electromagnet 26 is provided with a cushion 261. The connecting plate 231 is fixedly connected with a sliding block 3 on the side close to the support 211, the rear wall of the frame 21 is symmetrically provided with a support 31, the support 31 is fixedly connected with a sliding rod 32, and the sliding block 3 penetrates and is slidingly connected on the sliding rod 32.

[0042] In use, the worker first turns on the power of the magnetic flux measuring instrument 13, places the multi-stage magnetic ring on the top of the detection table 11, starts the motor 221, the motor 221 drives the reciprocating screw rod 22 to rotate, the threaded block 23 threaded connected on the reciprocating screw rod 22 drives the connecting plate 231 to move to the left side, when the guide rod 27 on the top of the threaded block 23 contacts the sensor one 271, the sensor one 271 transmits the electrical signal to the controller (not shown in the figure), the controller controls the electric push rod one 24 and the electric push rod two 25 to elongate downward, and the power of the electromagnet 26 is turned on, the electric push rod one 24 elongates and drives the electromagnet 26 with magnetism to move downward, the electromagnet 26 adsorbs the multi-stage magnetic ring on the top of the detection table 11 to the bottom of the electromagnet 26, then the electric push rod one 24 and the electric push rod two 25 retract, the motor 221 controls the threaded block 23 to drive the connecting plate 231 to move to the right side, until the guide rod 27 passes through the sensor two 272, at this time the electromagnet 26 at the bottom of the electric push rod one 24 drives the multi-stage magnetic ring to be located above the magnetic flux calibration plate 12, the electric push rod one 24 and the electric push rod two 25 elongate downward, the electromagnet 26 is disconnected from the power supply, so that the multi-stage magnetic ring to be detected is located on the magnetic flux calibration plate 12, the magnetic flux measuring instrument 13 detects the magnetic flux, after the detection is completed, the connecting plate 231 drives the electric push rod two 25 to move above the magnetic flux calibration plate 12, the electric push rod one 24 is located at the multi-stage magnetic ring feeding position, the electric push rod one 24 and the electric push rod two 25 elongate downward at the same time, the electromagnet 26 at the bottom of the electric push rod one 24 adsorbs the multi-stage magnetic ring to be detected, the electromagnet 26 at the bottom of the electric push rod two 25 adsorbs the multi-stage magnetic ring in the magnetic flux calibration plate 12 which has completed the detection, after the adsorption is completed, the electric push rod one 24 and the electric push rod two 25 retract and move to the right side, when the electric push rod one 24 drives the multi-stage magnetic ring to be detected to run above the magnetic flux calibration plate 12, the electric push rod one 24 and the electric push rod two 25 elongate downward, the power of the electromagnet 26 is disconnected, the electric push rod one 24 places the multi-stage magnetic ring to be detected in the magnetic flux calibration plate 12, the electric push rod two 25 takes out the multi-stage magnetic ring which has completed the detection from the magnetic flux calibration plate 12, the above operation is repeated, the electric push rod one 24 and the electric push rod two 25 move back and forth, realizing that the electric push rod one 24 and the electromagnet 26 at the bottom feed the multi-stage magnetic ring to be detected at the same time, the electric push rod two 25 and the electromagnet 26 at the bottom discharge the multi-stage magnetic ring which has completed the detection, which is convenient and fast, improves the efficiency of the multi-stage magnetic ring magnetic flux detection. When the connecting plate 231 drives the electric push rod one 24 and the electric push rod two 25 to move, the sliding block 3 outside the connecting plate 231 slides on the slide rod 32, the sliding block 3 and the slide rod 32 guide the movement of the connecting plate 231, increasing the stability of the connecting plate 231 when the threaded block 23 drives the connecting plate 231 to move. The cushion 261 is thin, which protects the butt joint magnetic ring without affecting the adsorption of the multi-stage magnetic ring by the electromagnet 26, avoiding the multi-stage magnetic ring being scratched in the feeding and discharging process, affecting the quality.

[0043] The sensor one 271 and the sensor two 272 mentioned above can be contact sensors, the contact of which is actuated by the contact and extrusion of two objects, and common ones are travel switches, two-dimensional matrix position sensors, etc. When an object collides with the travel switch during movement, the internal contact will actuate, thereby completing the control.

[0044] Embodiment two

[0045] On the basis of embodiment one, an auxiliary function is added.

[0046] Referring to Figures 1-4 The sliding block 3 is symmetrically provided with multiple groups, and at least two groups are provided. The detection table 11 is provided with a conveying belt one 4 on the left side of the top, and a conveying belt two 41 on the right side of the top. The detection table 11 is provided with a printer 5 on the top, and the printer 5 is electrically connected with the magnetic flux measuring instrument 13 through the controller.

[0047] The multiple groups of sliding blocks 3 realize the guidance of multiple positions of the connecting plate 231, further increase the stability of the connecting plate 231 during movement, and facilitate the quick feeding and discharging of the multiple-stage magnetic rings by the electric push rod one 24 and the electric push rod two 25. The conveying belt one 4 conveys the multiple-stage magnetic rings to be detected to the vicinity of the electric push rod one 24, the electric push rod one 24 transfers the multiple-stage magnetic rings on the conveying belt one 4 to the inside of the magnetic flux calibration plate 12, and the electric push rod two 25 conveys the multiple-stage magnetic rings detected out of the detection table 11 through the conveying belt two 41, thereby improving the detection efficiency. The magnetic flux measuring instrument 13 displays the magnetic flux detected by the multiple-stage magnetic rings, and the printer 5 prints the data displayed by the magnetic flux measuring instrument 13 uniformly after the detection of a batch of multiple-stage magnetic rings is completed, so that the staff does not need to record one by one, thereby reducing the work intensity of the staff.

[0048] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An online flux detection device for a multi-pole magnetic ring of a brushless motor, comprising a main component (1), wherein the main component (1) includes: The testing platform (11) has a magnetic flux calibration plate (12) on its top. A magnetic flux measuring instrument (13) is set on the top of the detection platform (11) and electrically connected to the magnetic flux calibration plate (12); The feature is that: the testing station (11) is provided with a loading and unloading assembly (2), the loading and unloading assembly (2) includes: Support (211) is provided on the top of the testing table (11); The frame (21) is mounted on the support (211); A reciprocating lead screw (22) is rotatably connected inside the frame (21), and the right end of the reciprocating lead screw (22) extends through and out of the frame (21); The motor (221) is located on the outer wall of the frame (21), and its output shaft is fixedly connected to the right end of the reciprocating screw (22); A threaded block (23) is threadedly connected to the reciprocating lead screw (22), and a groove is provided in the frame (21) for the threaded block (23) to move. A connecting plate (231) is fixedly connected to the bottom of the threaded block (23); Electric push rod 1 (24) is fixedly connected to the bottom left side of the connecting plate (231); Electric push rod 2 (25) is fixedly connected to the bottom right side of the connecting plate (231); Electromagnets (26) are symmetrically arranged at the bottom of the first electric push rod (24) and the second electric push rod (25); The guide rod (27) is fixedly connected to the top of the threaded block (23). The top end of the guide rod (27) extends through and to the top of the frame (21). The top of the frame (21) is provided with a through groove for the guide rod (27) to move. Sensor 1 (271) is located on the top left side of the frame (21) and is electrically connected to the motor (221), the electric push rod 1 (24), the electromagnet (26) and the electric push rod 2 (25) through a controller; Sensor 2 (272) is located on the top right side of the frame (21) and is electrically connected to the motor (221), the electric push rod 1 (24), the electromagnet (26) and the electric push rod 2 (25) via a controller.

2. The brushless motor multi-pole magnetic ring flux online detection device according to claim 1, characterized in that: A pad (261) is provided at the bottom of the electromagnet (26).

3. The brushless motor multi-pole magnetic ring flux online detection device according to claim 2, characterized in that: A slider (3) is fixedly connected to the side of the connecting plate (231) near the support (211). A bracket (31) is symmetrically arranged on the rear side wall of the frame (21). A sliding rod (32) is fixedly connected between the brackets (31). The slider (3) passes through and is slidably connected to the sliding rod (32).

4. The brushless motor multi-pole magnetic ring flux online detection device according to claim 3, characterized in that: The slider (3) is symmetrically arranged in multiple sets, and at least two sets are arranged.

5. The brushless motor multi-pole magnetic ring flux online detection device according to claim 4, characterized in that: A conveyor belt 1 (4) is provided on the top left side of the testing platform (11), and a conveyor belt 2 (41) is provided on the top right side of the testing platform (11).

6. The brushless motor multi-pole magnetic ring flux online detection device according to claim 5, characterized in that: A printer (5) is installed on the top of the testing platform (11), and the printer (5) is electrically connected to the magnetic flux measuring instrument (13) through a controller.

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