Surface magnetic distribution measuring system
By designing a magnetic distribution measurement system that is compatible with different models, the problem of comparing the magnetic poles of the rotor of a brushless motor and the stator of a brushed motor was solved, achieving efficient and accurate magnetic pole detection and improving detection efficiency and versatility.
Patent Information
- Application Number
- CN202520213687.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-11
AI Technical Summary
After magnets are attached to the rotor of a brushless motor and the stator of a brushed motor, the magnetic pole comparison is easily affected by the magnetic field of adjacent magnetic poles, resulting in missed or incorrect judgments. Furthermore, the detection efficiency for different models of rotors and stators is low, and the versatility is poor.
A surface magnetic distribution measurement system was designed, including a gaussmeter probe, a probe position adjustment mechanism, a surface magnetic testing fixture, and a rotating working platform. It adopts detachable connection and scale handwheel control, adapts to different models of rotors and stators, integrates a gaussmeter and an electronic control module, and simplifies operation through visual image comparison.
It enables rapid adaptation to different models of rotors and stators, reduces working hours, improves testing efficiency, simplifies operation procedures, and enhances testing accuracy and versatility.
Smart Images
Figure CN223597878U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a surface magnetic distribution measurement system and belongs to the motor test technical field. BACKGROUND
[0002] At present, after the brushless motor rotor and the brush motor stator are pasted with magnetic steel, the following problems exist:
[0003] 1. The pasted magnetic steel needs to be compared one by one, and in the comparison process, the magnetic pole pen is easily interfered by the adjacent magnetic field, and there may be problems such as missed judgment and wrong judgment in the comparison process, which affects the next flow assembly.
[0004] 2. When detecting the rotor magnetic flux, it is easily affected by the shape and size of the magnetic steel, increasing the measurement difficulty and workload.
[0005] 3. The sizes of different models of rotors and stators are also different, and different detection toolings need to be replaced, resulting in low detection efficiency and low universality. INVENTION CONTENTS
[0006] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, provide a surface magnetic distribution measurement system, which can quickly realize the clamping of the surface magnetic test tooling and the measured product and equipment debugging according to different models of the measured product, is simple to operate, can effectively reduce the working hours, improve the work efficiency, and can effectively solve the problems of low test efficiency and poor universality of the conventional surface magnetic measurement system.
[0007] In order to solve the above technical problems, the technical scheme of the utility model is:
[0008] A surface magnetic distribution measurement system, comprising a gauss meter probe, a probe position adjusting mechanism, a surface magnetic test tooling and a rotating work platform;
[0009] The gauss meter probe is fixed on the probe position adjusting mechanism, and the probe position adjusting mechanism is used for adjusting the position of the gauss meter probe;
[0010] The surface magnetic test tooling is located directly below the gauss meter probe, the surface magnetic test tooling is used for mounting and fixing the measured product, the surface magnetic test tooling is detachably mounted on the rotating work platform, and the rotating work platform is used for driving the surface magnetic test tooling to rotate.
[0011] Further, the probe position adjusting mechanism comprises a scale hand wheel, a vertical mechanical module, a horizontal mechanical module and an air cylinder;
[0012] The scale hand wheel is used for controlling the stroke of the vertical mechanical module;
[0013] The air cylinder is connected with a vertical mechanical module, and the vertical mechanical module is used to drive the air cylinder to move in the vertical direction.
[0014] The horizontal mechanical module is connected with the vertical mechanical module, and the horizontal mechanical module is used to drive the vertical mechanical module to move in the horizontal direction.
[0015] The Gauss meter probe is connected with the air cylinder, and the air cylinder is used to drive the Gauss meter probe to move in the vertical direction.
[0016] Further, the surface magnet test tool comprises a rotor mounting seat and a tool sleeve ring.
[0017] The top surface of the rotor mounting seat is provided with a first boss, and the tool sleeve ring is sleeved on the first boss, and the tool sleeve ring is used to mount the measured product.
[0018] The bottom surface of the rotor mounting seat is provided with a mounting cavity, and the mounting cavity is provided with a positioning pin.
[0019] Further, the rotating work platform is provided with a second boss matched with the mounting cavity of the rotor mounting seat, and the top surface of the second boss is provided with a positioning hole matched with the positioning pin.
[0020] Further, the test base plate is further provided with a foot on the bottom surface.
[0021] Further, the test base plate is further provided with a foot on the bottom surface.
[0022] Further, the test base plate is further provided with a foot on the bottom surface.
[0023] Further, the test base plate is further provided with a foot on the bottom surface.
[0024] Further, the test base plate is further provided with a foot on the bottom surface.
[0025] Further, the test base plate is further provided with a foot on the bottom surface.
[0026] The above technical scheme has the following beneficial effects:
[0027] 1、the surface magnet test tool can replace different tool sleeve rings to adapt to rotors with different inner diameters according to different models of the measured product, has strong universality, and has wide application range.
[0028] 2. The rotating work platform and the surface magnetic testing tool of the utility model adopt detachable connection, can realize quick clamping and replacement of the surface magnetic testing tool.
[0029] 3. The utility model discloses a scale hand wheel control mechanical module movement, and by this control gauss meter measuring needle's position, under the premise of satisfying mechanism function, reduce overall use cost.
[0030] 4. The utility model discloses that the gauss meter and electric control module are integrated, data processing is quick, and through visual image compares surface magnetic curve, make testing more intuitive, convenient, operation is simpler.
[0031] 5. The rotating work platform of the utility model controls rotation speed, angle and other parameters through stepper motor, photoelectric sensor, responds faster, is more accurate, and runs more stably.
[0032] 6. The utility model discloses that the overall structure mostly material uses aluminum alloy material quality, and carries out oxidation treatment, reduces the weight of whole under the premise of satisfying working strength, whole is beautiful, proportional coordination. BRIEF DESCRIPTION OF DRAWINGS
[0033] Figure 1 It is the structure schematic drawing of a surface magnetic distribution measuring system of the utility model;
[0034] Figure 2 It is the cooperation schematic drawing of the gauss meter measuring needle, measuring needle position adjusting mechanism, surface magnetic testing tool and rotating work platform of the utility model;
[0035] Figure 3 It is the cooperation schematic drawing of the surface magnetic testing tool and the product of being measured of the utility model;
[0036] Figure 4 It is Figure 3 The bottom view of
[0037] Figure 5 It is Figure 4 The E-E section view of
[0038] Figure 6 It is the structure schematic drawing of a type size of the product of being measured of the utility model;
[0039] Figure 7 It is the structure schematic drawing of another type size of the product of being measured of the utility model. DETAILED DESCRIPTION
[0040] In order to make the content of the utility model more easily be clearly understood, the utility model is further explained in detail below according to specific embodiment and combining with the drawings.
[0041] As Figure 1As shown, the embodiment provides a surface magnetic field distribution measurement system, which comprises a rack 7, a test base plate 6, a gauss meter, a gauss meter probe 1, a probe position adjusting mechanism, a surface magnetic field test tool, a rotating work platform 5 and an industrial control all-in-one machine 9.
[0042] The probe position adjusting mechanism and the rotating work platform 5 are both fixed on the test base plate 6, and the bottom surface of the test base plate 6 is provided with a footing 61, and the test base plate 6 is installed on the rack 7.
[0043] The gauss meter probe 1 is fixed on the probe position adjusting mechanism, and the position of the gauss meter probe 1 is adjusted up and down and left and right through the probe position adjusting mechanism. The gauss meter is installed inside the lower part of the rack 7, and the gauss meter probe 1 is electrically connected with the gauss meter.
[0044] The surface magnetic field test tool is located directly below the gauss meter probe 1, and the surface magnetic field test tool is used to install and fix different specifications and models of the measured product 4. The surface magnetic field test tool is detachably installed on the rotating work platform 5, and the rotating work platform 5 is used to drive the surface magnetic field test tool to rotate.
[0045] The industrial control all-in-one machine 9 is installed on the rack 7, and the gauss meter, the probe position adjusting mechanism and the rotating work platform 5 are all electrically connected with the industrial control all-in-one machine 9.
[0046] The system fixes the measured product 4 through the surface magnetic field test tool, and the position of the gauss meter probe 1 is controlled and manually adjusted through the probe position adjusting mechanism by pressing the start button in the three-position combination button switch 10 on the test base plate 6. The measured product 4 is brought to the test position by the probe position adjusting mechanism, the rotating work platform 5 drives the surface magnetic field test tool and the measured product 4 to rotate according to the predetermined action and speed, the data collected by the gauss meter probe 1 is sent to the gauss meter in real time, and the output graphics are obtained after modular processing and presented on the industrial control all-in-one machine 9. The maximum, area and other numerical values can be compared with the theoretical graphics, and finally the measurement results are output.
[0047] As shown in Figure 1 , 2 The probe position adjusting mechanism of the embodiment comprises a scale hand wheel 21, a vertical mechanical module 22, a horizontal mechanical module 23 and an air cylinder 24.
[0048] The scale hand wheel 21 of the embodiment is made of high-hardness aviation aluminum alloy material, and the surface is subjected to sandblasting oxidation treatment and laser scaling, so that the scale is accurate. The scale hand wheel 21 is flexibly connected with the mechanical module through a shaft coupling, so that the stroke of the vertical mechanical module 22 can be manually controlled, and the overall structure meets the requirements of hardness and strength while reducing the overall weight of the device.
[0049] The gas cylinder 24 of the embodiment is connected with the vertical mechanical module 22, and the vertical mechanical module 22 is used to drive the gas cylinder 24 to move in the vertical direction. The vertical mechanical module 22 of the embodiment adopts a fully-enclosed linear slide module, and the stroke is 200 mm. The scale hand wheel 21 can be matched to adjust the Z-axis position of the gauss meter probe 1, that is, the height of the gauss meter probe 1 in the vertical direction, according to the different sizes of the measured rotors and stators, so as to achieve the best measurement position. The whole operation is stable and reliable, and the dust cover is attached outside to keep the screw clean and prolong the service life. The model of the gas cylinder 24 of the embodiment is MGCLF16-50, the overall shape is 93 mm long, the double-rod mechanism is stable and reliable in extension and retraction, has high motion control precision and efficiency, and further adjusts the Z-axis position of the gauss meter probe 1. The gas cylinder 24 is fixed on the slide table of the vertical mechanical module 22 through an internal hexagonal cylindrical head screw, and the piston rod of the gas cylinder 24 fixes the gauss meter probe 1 through a connecting block 241 and a fixing block tool 242.
[0050] The vertical mechanical module 22 of the embodiment is fastened and connected with the slide table of the horizontal mechanical module 23 through an internal hexagonal cylindrical head screw, and the horizontal mechanical module 23 is used to drive the vertical mechanical module 22 to move in the horizontal direction. The horizontal mechanical module 23 adopts the same fully-enclosed linear slide module as the vertical mechanical module 22.
[0051] As shown in Figure 2 , 3 , 4, 5, the surface magnetic testing tool of the embodiment includes a rotor mounting seat 31 and a tool sleeve ring 32. The top surface of the rotor mounting seat 31 is provided with a first boss 311, and the tool sleeve ring 32 is sleeved on the first boss 311. The tool sleeve ring 32 is used to mount the measured product 4. The bottom surface of the rotor mounting seat 31 is provided with a mounting cavity 312, and the mounting cavity 312 is provided with a positioning pin 313. The surface magnetic testing tool of the embodiment adopts a stainless steel material to avoid the influence of magnetic field interference during clamping. The surface magnetic testing tool is installed below the rotating work platform 5 through the mounting cavity 312, and is connected and fixed with the rotating work platform 5 through the positioning pin 313. In actual production operation, the surface magnetic testing tool can be replaced according to different rotors and stator models. As shown in Figure 6 , 7 Taking the rotor of a frameless motor as an example, for rotors of different models and specifications, only the tool sleeve ring 32 needs to be replaced to adapt to rotors of different inner diameters, which can effectively avoid the complexity of clamping. Similarly, it can be applied to stators and rotors of other structures for fixing and clamping. At the same time, for different models of stators and rotors, when the surface magnetic testing tool is replaced, it is not necessary to clamp complicatedly, but only needs to be placed on the boss of the rotating work platform 5 by aligning the positioning pin 313 and the positioning hole 511, so as to be installed and replaced conveniently and quickly.
[0052] As shown in Figure 2As shown, the rotating work platform 5 of the embodiment is provided with a second boss 51 matched with the mounting cavity 312 of the rotor mounting seat 31 on the rotating disc, and the top surface of the second boss 51 is provided with a positioning hole 511 matched with the positioning pin 313.
[0053] As shown in the drawings, Figure 1 , 2 As shown, the button switch 10 of the embodiment adopts a three-position button switch box, which reduces the overall weight while ensuring the use strength requirement, hides the circuit line, and is more beautiful and clean under the premise of use safety. The three-position button switch box is provided with an aviation plug 101, which integrates the circuit line, avoids complex wiring, and increases operability and convenience.
[0054] As shown in the drawings, Figure 1 As shown, the rack 7 of the embodiment is composed of aluminum profiles, adopts aluminum alloy material, is more lightweight on the basis of meeting the overall structural strength requirement, and is fastened and connected by internal hexagonal cylindrical head screws between the aluminum profiles. The front side door 72 is installed on the rack 7, adopts aluminum alloy material, is more lightweight on the basis of meeting the overall structural strength requirement, is connected by a hinge between the front side door 72 and the aluminum profile, and is internally provided with a Gauss meter, an electric control integrated device, a connection wire harness and other electronic components. The bottom of the rack 7 is provided with a Foma wheel 71, the bracket of the Foma wheel 71 is made of aluminum alloy material, and the whole is connected and fastened with the aluminum profile by screws, is suitable for various ground conditions, and facilitates the overall movement of the rack 7.
[0055] The above specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A system for measuring a magnetic distribution, characterized in that: It includes gauss meter probe (1), probe position adjusting mechanism, surface magnetic test tooling and rotating work platform (5); The gauss meter probe (1) is fixed on the probe position adjusting mechanism, and the probe position adjusting mechanism is used for adjusting the position of the gauss meter probe (1); The surface magnetic test tooling is located directly below the gauss meter probe (1), the surface magnetic test tooling is used for mounting and fixing the measured product (4), the surface magnetic test tooling is detachably mounted on the rotating work platform (5), and the rotating work platform (5) is used for driving the surface magnetic test tooling to rotate.
2. The surface magnetic distribution measuring system according to claim 1, characterized by: The probe position adjusting mechanism comprises a scale hand wheel (21), a vertical mechanical module (22), a horizontal mechanical module (23) and a cylinder (24); The scale hand wheel (21) is used for controlling the stroke of the vertical mechanical module (22); The cylinder (24) is connected with the vertical mechanical module (22), and the vertical mechanical module (22) is used for driving the cylinder (24) to move in the vertical direction; The horizontal mechanical module (23) is connected with the vertical mechanical module (22), and the horizontal mechanical module (23) is used for driving the vertical mechanical module (22) to move in the horizontal direction; The gauss meter probe (1) is connected with the cylinder (24), and the cylinder (24) is used for driving the gauss meter probe (1) to move in the vertical direction.
3. The surface magnetic distribution measuring system according to claim 1, characterized by: The surface magnetic test tooling comprises a rotor mounting seat (31) and a tooling sleeve ring (32); A first boss (311) is arranged on the top surface of the rotor mounting seat (31), the tooling sleeve ring (32) is sleeved on the first boss (311), and the tooling sleeve ring (32) is used for mounting the measured product (4); A mounting cavity (312) is arranged on the bottom surface of the rotor mounting seat (31), and a positioning pin (313) is arranged in the mounting cavity (312).
4. The surface magnetic distribution measuring system according to claim 3, characterized by: A second boss (51) is arranged on the rotating disc of the rotating work platform (5) and matched with the mounting cavity (312) of the rotor mounting seat (31), and a positioning hole (511) is arranged on the top surface of the second boss (51) and matched with the positioning pin (313).
5. The surface magnetic distribution measuring system according to claim 1, characterized by: A test base plate (6) is further included, the probe position adjusting mechanism and the rotating work platform (5) are fixed on the test base plate (6), and a footing (61) is arranged on the bottom surface of the test base plate (6).
6. The surface magnetic distribution measuring system according to claim 5, characterized by: A rack (7) is further included, and the test base plate (6) is arranged on the rack (7).
7. The surface magnetic distribution measuring system according to claim 6, characterized by: A gauss meter is further included, which is arranged in the rack (7), and the gauss meter probe (1) is electrically connected with the gauss meter.
8. The surface magnetic distribution measuring system according to claim 7, characterized by: An industrial computer (9) is arranged on the rack (7), and the gauss meter, the probe position adjusting mechanism and the rotating work platform (5) are electrically connected with the industrial computer (9).
9. The surface magnetic distribution measuring system according to claim 8, characterized by: A button switch (10) is arranged on the test base plate (6), and the button switch (10) is electrically connected with the industrial computer (9).
10. The surface magnetic distribution measuring system according to claim 6, characterized by: A form wheel (71) is arranged on the bottom of the rack (7).