Motor and arrangement method and device thereof

Abstract

The invention relates to the technical field of motors, and provides a motor and an arrangement method and device thereof. The motor arrangement method comprises the following steps: acquiring a thrust time curve or a displacement time curve of a motor; determining a non-uniform distribution state of motor coil current; and adjusting the relative positions and / or the relative number of the coils and the magnetic poles. The motor arrangement method can effectively improve the electromagnetic field distribution of the motor and improve the operation efficiency and performance of the motor; thermal stress and mechanical stress in the motor are reduced, so that the service life of the motor is prolonged; the non-uniformity can be eliminated, and the operation stability and reliability of the motor are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of motors and provides a motor and an arrangement method and device thereof. Background Art

[0002] A motor refers to an electromagnetic device that realizes the conversion or transmission of electric energy according to the law of electromagnetic induction. Taking a linear motor as an example, a linear motor includes a stator and a mover. The stator is fixed on the base, and the mover drives the load to move. The motion tasks of linear motors are mostly repetitive trajectories. In a motion cycle, the waveform of each phase or each coil of the motor is basically fixed, but it cannot guarantee that the effective value of the waveform of each coil is consistent, resulting in different heating conditions of each phase coil. In other words, due to the uneven power supply of the coil, heat concentration will occur, limiting the full performance of the motor. For example, heat is concentrated in two-phase coils or even one-phase coils, causing the coils to reach the thermal limit earlier, limiting the full utilization of the motor performance. Summary of the invention

[0003] The present invention provides a motor arrangement method for solving the defect of coil heat concentration in the prior art, so that the current amplitude uniformity and the heat generation uniformity of each coil are improved.

[0004] An embodiment of the present invention further provides a motor control device.

[0005] An embodiment of the present invention further provides a motor.

[0006] An embodiment of the present invention further provides an electronic device.

[0007] An embodiment of the present invention also provides a non-transitory computer-readable storage medium.

[0008] The present invention provides a motor arrangement method, comprising: Obtain the thrust time curve or displacement time curve of the motor; Determining the uneven distribution state of the motor coil current; The relative position and / or relative number of the coil and the magnetic pole are adjusted.

[0009] According to one embodiment of the present invention, the step of adjusting the relative position and / or relative number of the coil and the magnetic pole comprises: Determine the gap staggered arrangement between the U-phase coil, the V-phase coil and the W-phase coil in the coil and the two magnetic poles; The axis of the U-phase coil in the adjustment coil is moved to a position close to the gap between the two magnetic poles.

[0010] According to one embodiment of the present invention, the step of adjusting the relative position and / or relative number of the coil and the magnetic pole comprises: Reducing the pole pitch of two adjacent groups of magnetic poles and increasing the number of coils; Determine that the gap between the U-phase coil in the coil and the two magnetic poles is staggered, and determine that the gap between the V-phase coil and the W-phase coil in the coil and the two magnetic poles is correspondingly arranged; The axis of the U-phase coil in the adjustment coil is moved to a position close to the gap between the two magnetic poles.

[0011] According to one embodiment of the present invention, the step of adjusting the relative position and / or relative number of the coil and the magnetic pole comprises: Increasing the pole pitch of two adjacent groups of magnetic poles; Determine that the gaps between two of the magnetic poles are arranged corresponding to the axis of the first cross section of the U-phase coil in the coil, and determine that the gaps between the other two magnetic poles are arranged corresponding to the axis of the second cross section of the U-phase coil in the coil; The first cross section of the U-phase coil is adjacent to the second cross section of the U-phase coil.

[0012] According to one embodiment of the present invention, the step of adjusting the relative position and / or relative number of the coil and the magnetic pole comprises: reducing the spacing of the coils; It is determined that the two magnetic poles correspond to the U-phase coil in the coil.

[0013] According to one embodiment of the present invention, the step of obtaining the thrust time curve or the displacement time curve of the motor includes: The current of the U-phase coil flows through calculate; The current of the V-phase coil flows through calculate; The current of the W phase coil flows through calculate; Among them, the currents of the U-phase coil, the V-phase coil and the W-phase coil differ by 120 degrees, A represents the current amplitude value, x represents the displacement of the mover, and τ represents the pole pitch.

[0014] A second aspect of the present invention provides a motor control device, comprising: An acquisition module, used for acquiring a thrust time curve or a displacement time curve of the motor; An evaluation module, used for determining the uneven distribution state of the motor coil current; An adjustment module, used for adjusting the relative position and / or relative number of the coil and the magnetic pole; The current control module is used to set the motor coil current and follow the rearranged power-on rule.

[0015] A third aspect of the present invention provides a motor, comprising a coil, a magnetic pole and a processor, wherein the processor implements the motor arrangement method as described above when executing the program.

[0016] A fourth aspect of the present invention provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the motor arrangement method as described above when executing the program.

[0017] A fifth aspect of the present invention provides a non-transitory computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the motor arrangement method as described above.

[0018] The motor arrangement method provided by the embodiment of the first aspect of the present invention can more accurately understand the running state and performance of the motor by acquiring the thrust time curve or displacement time curve of the motor. When it is found that the coil current of the motor is uneven, by adjusting the relative position and / or relative number of the coil and the magnetic pole, the uniformity of the heating of each coil of the motor can be effectively improved, and the running efficiency and performance of the motor can be improved. The method of the present invention can timely identify and adjust this unevenness, reduce the thermal stress and mechanical stress inside the motor, and thus extend the service life of the motor. By adjusting the relative position and / or relative number of the coil and the magnetic pole, the electromagnetic conversion efficiency of the motor can be optimized and unnecessary energy loss can be reduced. This not only helps to improve the energy efficiency ratio of the motor, but also reduces the operating cost and achieves energy saving and emission reduction. Through the arrangement method of the present invention, this unevenness can be eliminated and the running stability and reliability of the motor can be improved. The arrangement method provided by the present invention is relatively simple and intuitive, and is easy to implement in the existing motor control system. At the same time, since the method mainly focuses on the adjustment of the relative position and number of the coil and the magnetic pole, it is also convenient for subsequent maintenance and adjustment.

[0019] The motor control device provided by the second aspect of the present invention can accurately understand the operating state and performance of the motor by acquiring the thrust time curve or displacement time curve of the motor. When the determination module determines that the coil current of the motor is uneven, the adjustment module can timely adjust the relative position and / or relative number of the coil and the magnetic pole, thereby optimizing the current distribution, reducing the energy loss and heat generation inside the motor, and improving the efficiency and stability of the motor. The adjustment module can accurately adjust the relative position and / or relative number of the coil and the magnetic pole according to the actual operating conditions and needs of the motor. This precise control capability can ensure that the motor can maintain stable and efficient operation under different loads and working conditions, and improve the control accuracy and response speed of the motor. By timely adjusting the relative position and / or relative number of the coil and the magnetic pole, it can ensure that the current distribution is more uniform, reduce damage to the internal components of the motor, and thus extend the service life of the motor.

[0020] The motor provided in the third aspect of the present invention can realize intelligent control by integrating a processor and a corresponding control program. The processor can automatically adjust the relative position and / or relative number of the coil and the magnetic pole according to the actual operation and demand of the motor, so as to optimize the performance and efficiency of the motor. Since the processor can monitor the operation status of the motor in real time, once the coil current is found to be uneven, it can be adjusted immediately. This timely response and adjustment can ensure that the motor always maintains an efficient operation state and reduces unnecessary energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic structural diagram of the first type of magnetic pole and coil provided in an embodiment of the present invention.

[0023] Figure 2 This is a schematic diagram of the coil current amplitude corresponding to the first magnetic pole and the coil provided in an embodiment of the present invention.

[0024] Figure 3 It is a schematic structural diagram of the second magnetic pole and coil provided in an embodiment of the present invention.

[0025] Figure 4 It is a schematic diagram of coil current amplitude corresponding to the second magnetic pole and coil provided in an embodiment of the present invention.

[0026] Figure 5 It is a schematic structural diagram of a third type of magnetic pole and coil provided in an embodiment of the present invention.

[0027] Figure 6 It is a schematic diagram of coil current amplitude corresponding to the third magnetic pole and coil provided in an embodiment of the present invention.

[0028] Figure 7 It is a schematic flow chart of the motor arrangement method provided in an embodiment of the present invention.

[0029] Figure 8 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention.

[0030] Reference numerals: 100, magnetic pole; 102, U-phase coil; 104, V-phase coil; 106, W-phase coil; 108, processor; 110, communication interface; 112, memory; 114, communication bus. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figures 1 to 7 As shown, the present invention provides a motor arrangement method, including step 10, step 20 and step 30; wherein, in step 10, the thrust time curve or displacement time curve of the motor is obtained; in step 20, the uneven distribution state of the motor coil current is determined; in step 30, the relative position and / or relative number of the coil and the magnetic pole 100 are adjusted.

[0033] The motor arrangement method provided by the embodiment of the first aspect of the present invention can more accurately understand the running state and performance of the motor by acquiring the thrust time curve or displacement time curve of the motor. When it is found that the coil current of the motor is uneven, by adjusting the relative position and / or relative number of the coil and the magnetic pole 100, the electromagnetic field distribution of the motor can be effectively improved, and the running efficiency and performance of the motor can be improved. The method of the present invention can timely identify and adjust this unevenness, reduce the thermal stress and mechanical stress inside the motor, and thus extend the service life of the motor. By adjusting the relative position and / or relative number of the coil and the magnetic pole 100, the electromagnetic conversion efficiency of the motor can be optimized and unnecessary energy loss can be reduced. This not only helps to improve the energy efficiency ratio of the motor, but also reduces the operating cost and achieves energy saving and emission reduction. Through the arrangement method of the present invention, this unevenness can be eliminated and the running stability and reliability of the motor can be improved. The arrangement method provided by the present invention is relatively simple and intuitive, and is easy to implement in the existing motor control system. At the same time, since the method mainly focuses on the adjustment of the relative position and number of the coil and the magnetic pole 100, it is also convenient for subsequent maintenance and adjustment.

[0034] Please continue to see Figures 1 to 7 In the motor arrangement method provided in the embodiment of the first aspect of the present invention, it includes step 10, step 20 and step 30.

[0035] In step 10, the required thrust time curve or displacement time curve is calculated according to the working cycle state of the reciprocating motion of the motor. These curves reflect the thrust and displacement of the motor at different time points and are an important basis for evaluating the performance of the motor.

[0036] In step 20, after obtaining the thrust time curve or displacement time curve of the motor, by analyzing these data, it can be determined whether the coil current of the motor is uniform. If the current distribution is uneven, it may cause problems such as reduced motor efficiency, severe heating, or even damage. Therefore, in this step, advanced algorithms or models are needed to accurately determine the unevenness of the coil current.

[0037] In step 30, after determining that the coil current is uneven, it is necessary to take corresponding measures to optimize the performance of the motor. The key to the present invention is to optimize the current distribution by adjusting the relative position and / or relative number of the coil and the magnetic pole 100. This can be achieved by changing the winding method of the coil, adjusting the position or number of the magnetic pole 100, etc. During the adjustment process, it is necessary to comprehensively consider factors such as the design parameters, operating environment and load conditions of the motor to ensure that the adjusted motor can maintain an efficient and stable operating state.

[0038] By optimizing the current distribution, the energy loss and heat generation inside the motor are reduced, thereby improving the efficiency of the motor. This can not only reduce the energy consumption of the motor, but also improve the energy efficiency of the entire system. Optimizing the current distribution can reduce damage to the internal components of the motor, thereby extending the service life of the motor. This helps to reduce downtime and maintenance costs caused by motor failure. By accurately adjusting the relative position and / or relative number of the coil and the magnetic pole 100, it can be ensured that the motor can maintain stable and efficient operation under different loads and working conditions. This helps to improve the control accuracy and response speed of the motor. Optimizing the current distribution can also reduce noise and vibration during the operation of the motor, and improve the comfort and stability of the system. By real-time monitoring and adjusting the operating status of the motor, problems can be discovered and solved in a timely manner to avoid the impact of motor failure on the system. This helps to improve the reliability and stability of the entire system.

[0039] According to one embodiment of the present invention, step 30 includes determining that the U-phase coil 102 , the V-phase coil 104 and the W-phase coil 106 in the coil are staggered with the gap between the two magnetic poles 100 ; and adjusting the axis of the U-phase coil 102 in the coil to move toward a position close to the gap between the two magnetic poles 100 .

[0040] like Figure 1 and Figure 2As shown, in this step, the moving part is the three-phase coil of the motor. When the coil is aligned with the magnetic pole 100, the left and right magnetic fields are symmetrical, and the horizontal thrust generated by the coil is minimal. The axis alignment position is subsequently referred to as the low-thrust position. Correspondingly, when the coil is in the middle of the two magnetic poles 100, that is, the coil axis and the gap between the two magnetic poles 100 are aligned, this position is referred to as the high-thrust position. The reason for the uneven current is that the U-phase coil 102 is in a weak thrust position when a high thrust is needed, and is in a high thrust position when a high thrust is not needed.

[0041] First, the gap arrangement between the U phase, V phase and W phase of the coil in the motor and the two magnetic poles 100 is determined. Ideally, the relative position of the coil and the magnetic pole 100 should maximize the electromagnetic force and distribute it evenly. However, due to manufacturing errors, wear and tear or other factors, the performance of the motor is affected.

[0042] To solve this problem, the motor arrangement method needs to identify the gap misalignment between the coil and the magnetic pole 100. Specifically, first determine that the gaps between the U-phase coil 102, the V-phase coil 104 and the W-phase coil 106 and the two magnetic poles 100 are all in misaligned arrangement.

[0043] After determining the staggered arrangement of the gap between the coil and the magnetic pole 100, the motor arrangement method adjusts the axis of the U-phase coil 102 to move closer to the gap between the two magnetic poles 100. The purpose of this is to optimize the current distribution and electromagnetic force output by adjusting the relative position between the coil and the magnetic pole 100.

[0044] Specifically, the control system adjusts the axis of the U-phase coil 102 to move to a predetermined position. The predetermined position refers to the gap between the two magnetic poles 100 .

[0045] By adjusting the relative position between the coil and the magnetic pole 100, the unevenness of the current distribution can be reduced, thereby improving the efficiency and performance of the motor. Optimizing the gap arrangement between the coil and the magnetic pole 100 can enhance the electromagnetic force output, so that the motor can generate greater thrust or torque under the same conditions. The optimized current distribution and electromagnetic force output can reduce noise and vibration during the operation of the motor and improve the comfort and stability of the system. By real-time monitoring and adjusting the operating status of the motor, potential failures caused by uneven gaps between the coil and the magnetic pole 100 can be avoided, thereby improving the reliability and stability of the entire system.

[0046] See also Figure 1When a large thrust is required in the initial stage of movement, the three-phase coils are not aligned with the axis, and each coil needs to be supplied with a small amount of current. The U phase moves toward the position with the largest thrust, that is, the axis of the U phase coil 102 moves toward the middle of the two permanent magnets. According to the power-on law of the three-phase motor, the current of the U phase coil 102 will increase. In the middle stage of movement, the force demand decreases, so the subsequent current of the U phase motor will decrease, forming Figure 2 The current curve shown in the figure; the V-phase coil 104 is in a high thrust position at the beginning of its movement, and moves toward a low thrust position. At the same time, the thrust demand also decreases in the middle stage of the movement, so the current of the V-phase coil 104 gradually decreases; the W-phase coil 106 is close to a low thrust position at the beginning of its movement, so the initial current immediately decreases. After passing the low thrust position, there is still a thrust demand, so the current rises again. After rearrangement, although the current-time curves of the three-phase coils are inconsistent in shape, the amplitude of the maximum current is relatively uniform, and more importantly, the area of ​​the three-phase current curve and the time axis is more uniform, indicating that the heating uniformity of each coil has been improved.

[0047] According to one embodiment of the present invention, step 30 includes reducing the pole pitch of two adjacent groups of magnetic poles 100 and increasing the number of coils; determining that the U-phase coil 102 in the coil is staggered with the gap between the two magnetic poles 100, and determining that the V-phase coil 104 and the W-phase coil 106 in the coil are arranged correspondingly with the gap between the two magnetic poles 100; and adjusting the axis of the U-phase coil 102 in the coil to move toward a position close to the gap between the two magnetic poles 100.

[0048] like Figure 3 As shown, first, in order to increase the magnetic field density inside the motor and improve the output of electromagnetic force, the present invention proposes to reduce the pole pitch of two adjacent groups of magnetic poles 100. This means that the spatial distance between adjacent magnetic poles 100 is shortened, making the magnetic flux more concentrated, thereby improving the efficiency of the motor.

[0049] At the same time, in order to maintain the uniformity of current distribution, the number of coils is increased. Increasing the number of coils can not only provide more electromagnetic force output points, but also better match the optimized magnetic field distribution, further improving the performance of the motor.

[0050] After determining the pole pitch of the magnetic pole 100 and the number of coils, it is necessary to determine the arrangement of the gaps between the coils and the magnetic poles 100. The axis of the U-phase coil 102 is positioned slightly offset from the gap between the two magnetic poles 100. This staggered arrangement ensures that the U-phase coil 102 can more effectively cut the magnetic lines of force when energized, generating greater electromagnetic force. Unlike the U-phase, the axes of the V-phase and W-phase coils 106 are positioned at positions that completely correspond to the gaps between the two magnetic poles 100. This corresponding arrangement ensures that the V-phase and W-phase coils 106 maintain the maximum overlapping area with the magnetic field when energized, further improving the output of the electromagnetic force.

[0051] By reducing the pole pitch of the magnetic poles 100 and increasing the number of coils, the magnetic field density inside the motor is enhanced, thereby improving the output of electromagnetic force. At the same time, the optimized arrangement of the coils and the gap between the magnetic poles 100 also ensures the best interaction between the current and the magnetic field, further improving the output of electromagnetic force. The optimized electromagnetic force output not only improves the efficiency of the motor, but also reduces the noise and vibration caused by uneven force.

[0052] See also Figure 3 and Figure 4 From the perspective of the overall cycle, the coil span is large, and in the stage where a large thrust is required, the movement distance of the U-phase coil 102 is small, resulting in the U-phase always being in a small thrust position. Therefore, by reducing the pole pitch of the magnetic pole 100 and increasing the number of mover coils. The U-phase coil 102 is in a small thrust position in the initial stage. As the mover moves, the U-phase coil 102 subsequently reaches a large thrust position under a small pole pitch. At this time, the thrust demand is still large. Therefore, the current of the U-phase coil 102 is first small and then large. The V and W phase coils 106 are initially in a large thrust position and then reach a small thrust position. Therefore, the current curve is first large and then small. After adjusting the pole pitch, the overall current amplitude of the three-phase coils is basically the same within the cycle, and the heat generation is also basically the same.

[0053] According to one embodiment of the present invention, step 30 includes increasing the pole pitch of two adjacent groups of magnetic poles 100; determining that the gap between two of the magnetic poles 100 corresponds to the first cross-section of the U-phase coil 102 in the coil, and determining that the gap between the other two magnetic poles 100 corresponds to the second cross-section of the U-phase coil 102 in the coil; wherein the first cross-section of the U-phase coil 102 is adjacent to the second cross-section of the U-phase coil 102.

[0054] like Figure 5 As shown, in this step, the mover is a permanent magnet.

[0055] In order to adjust the magnetic field distribution and electromagnetic force output characteristics of the motor, this embodiment proposes a strategy of increasing the pole pitch of two adjacent groups of magnetic poles 100. The increase in pole pitch will change the distribution pattern of the magnetic field, which may make the motor show higher efficiency and more stable performance under specific working conditions.

[0056] After increasing the pole pitch of the adjacent poles 100, it is necessary to determine the correspondence between the gap of the poles 100 and the axis of a specific coil in the coil. Select two poles 100 in the motor and determine that their gap corresponds to the axis of the first U-phase coil 102 in the coil. This means that when these two poles 100 are in an activated state, their magnetic field will directly affect the first U-phase coil 102, thereby generating an electromagnetic force. Select two other poles 100 (these two poles 100 may be adjacent or not adjacent to the two poles 100 selected previously, depending on the design of the motor), and determine that their gap corresponds to the axis of the second U-phase coil 102 in the coil. Similar to the first U-phase coil 102, when these two poles 100 are in an activated state, their magnetic field will directly affect the second U-phase coil 102.

[0057] By increasing the pole pitch of adjacent magnetic poles 100 and determining the corresponding relationship between the gap between the magnetic poles 100 and the coil axis, the magnetic field distribution inside the motor can be optimized. This helps to reduce magnetic field interference and energy loss and improve the efficiency of the motor. The optimized magnetic field distribution and the corresponding relationship between the coil and the magnetic pole 100 will make the electromagnetic force output more uniform and stable. Especially in applications that require high-precision control, this optimization can significantly improve the performance and reliability of the motor.

[0058] See also Figure 5 and Figure 6, as the permanent magnet of the moving magnetic structure moves, the magnetic field it generates will be electromagnetically coupled with the coils at different positions in turn. The U, V, and W coils on the right are not electromagnetically coupled with the permanent magnet mover at the initial stage of movement. Even if current is passed through, no thrust will be generated. Without a magnetic field, the coils should naturally not be passed through current to waste energy. At the initial stage of movement, the first U-phase coil 102 is in a small thrust position. As the mover moves, the moving magnetic field leaves the first U-phase coil 102 after a short time. Therefore, the U-phase coil 102 is short-term and small-amplitude; the first V-phase coil 104 is in a large thrust position at the initial stage of movement, and a large current will be passed through to generate thrust. However, after a period of time, the mover leaves the first V-phase coil 104. Therefore, the V-phase coil 104 is powered on for a short time and has a large amplitude; the first W-phase coil 106 will reach a large thrust position as the mover moves, and the first W-phase coil 106 is electromagnetically coupled with the right end of the mover at its initial position. In the middle stage of movement, it is coupled with the left end of the mover, so the W-phase coil 106 is powered on for a long time and has a large amplitude value; the second U-phase coil 102 does not produce electromagnetic coupling in the early stage of movement and does not need to be powered on. In the middle stage of movement, it is electromagnetically coupled with the mover and is in a large thrust position, so the current increases first and then decreases in the second half, and the coil is powered on for a long time and has a large amplitude value; when the second V-phase coil 104 produces electromagnetic coupling, the thrust demand decreases, so the coil is powered on for a long time but the amplitude value is low; the thrust demand is close to zero as soon as the second W-phase coil 106 undergoes electromagnetic coupling, so the power-on time is short and the amplitude value is small. After analysis, it was found that the linear motor with a moving magnetic structure has worse current uniformity for each coil, and the power-on time and current amplitude value of the first U-phase coil 102 and the second U-phase coil 102 are very different. The first U-phase coil 102 did not play its full role.

[0059] Therefore, rearrangement techniques are used to improve current uniformity, such as Figure 6 The mover is split into two sides, which are respectively aligned with the first U-phase coil 102 and the second U-phase coil 102. Based on the above analysis, it can be predicted that the uniformity of the current will be improved, and no further explanation will be given.

[0060] According to one embodiment of the present invention, step 30 includes reducing the spacing between the coils; determining that the gap between the two magnetic poles 100 corresponds to the axis of the U-phase coil 102 in the coil.

[0061] In this step, after the movers are rearranged, the pole pitch adjustment technology can also be applied to improve the uniformity of the coil current by combining the two. When the pole pitch is reduced, the movers will cross more coils, and the left mover will be electromagnetically coupled with the first U-phase coil 102 at the beginning of the movement, and electromagnetically coupled with the second U-phase coil 102 in the middle of the movement. Therefore, two current peaks will appear in the second U-phase coil 102. At this time, the duration and amplitude of the two current peaks can be adjusted by rearranging the spacing between the left and right movers. After appropriate pole pitch adjustment and rearrangement, the purpose of making the current of each coil more uniform can be achieved.

[0062] According to one embodiment of the present invention, the step of obtaining the thrust time curve or displacement time curve of the motor includes: the current of the U-phase coil passes through Calculate; the current of the V phase coil passes through Calculate; the current of the W phase coil passes through Calculation; Among them, the currents of the U-phase coil, V-phase coil and W-phase coil differ by 120 degrees, A represents the current amplitude, x is the displacement of the mover, and τ is the pole pitch.

[0063] The second aspect of the present invention provides a motor control device, including an acquisition module, a determination module, an adjustment module, and a current control module; wherein the acquisition module is used to acquire the thrust time curve or the displacement time curve of the motor; the determination module is used to determine the uneven distribution state of the motor coil current; the adjustment module is used to adjust the relative position and / or relative number of the coil and the magnetic pole 100; the current control module is used to give the motor coil current and follow the rearranged power-on rule.

[0064] The motor control device provided by the second aspect of the present invention can accurately understand the operating state and performance of the motor by acquiring the thrust time curve or displacement time curve of the motor. When the determination module determines that the coil current of the motor is uneven, the adjustment module can timely adjust the relative position and / or relative number of the coil and the magnetic pole 100, thereby optimizing the current distribution, reducing the energy loss and heat generation inside the motor, and improving the efficiency and stability of the motor. The adjustment module can accurately adjust the relative position and / or relative number of the coil and the magnetic pole 100 according to the actual operating conditions and needs of the motor. This precise control capability can ensure that the motor can maintain stable and efficient operation under different loads and working conditions, and improve the control accuracy and response speed of the motor. By timely adjusting the relative position and / or relative number of the coil and the magnetic pole 100, it can be ensured that the current distribution is more uniform, reducing damage to the internal components of the motor, thereby extending the service life of the motor.

[0065] A third aspect of the present invention provides a motor, including a coil, a magnetic pole 100 and a processor 108. When the processor 108 executes a program, the motor arrangement method as described above is implemented.

[0066] The motor provided in the third aspect of the present invention can realize intelligent control by integrating a processor 108 and a corresponding control program. The processor 108 can automatically adjust the relative position and / or relative number of the coil and the magnetic pole 100 according to the actual operation and demand of the motor, thereby optimizing the performance and efficiency of the motor. Since the processor 108 can monitor the operating state of the motor in real time, once the coil current is found to be uneven, it can be adjusted immediately. This timely response and adjustment can ensure that the motor always maintains an efficient operating state and reduces unnecessary energy loss.

[0067] Figure 8 An example of a physical structure diagram of an electronic device is shown in FIG. Figure 8 As shown, the electronic device may include: a processor 108 (processor), a communication interface 110 (Communications Interface), a memory 112 (memory) and a communication bus 114, wherein the processor 108, the communication interface 110, and the memory 112 communicate with each other through the communication bus 114. The processor 108 may call the logic instructions in the memory 112 to execute the motor arrangement method, which includes: obtaining the thrust time curve or the displacement time curve of the motor; determining that the current of the coil of the motor is uneven; and adjusting the relative position and / or relative number of the coil and the magnetic pole 100.

[0068] In addition, the logic instructions in the above-mentioned memory 112 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods of various embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory 112 (ROM, Read-Only Memory), random access memory 112 (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes.

[0069] On the other hand, the present invention also provides a computer program product, which includes a computer program. The computer program can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by the processor 108, the computer can execute the motor arrangement method provided by the above methods, which includes: obtaining the thrust time curve or displacement time curve of the motor; determining the uneven distribution state of the motor coil current; adjusting the relative position and / or relative number of the coil and the magnetic pole 100.

[0070] On the other hand, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by the processor 108, it is implemented to execute the motor arrangement method provided by the above-mentioned methods, and the method includes: obtaining the thrust time curve or displacement time curve of the motor; determining the uneven distribution state of the motor coil current; adjusting the relative position and / or relative number of the coil and the magnetic pole 100.

[0071] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, i.e., they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art may understand and implement it without creative effort.

[0072] Through the description of the above implementation modes, those skilled in the art can clearly understand that each implementation mode can be implemented by means of software plus a necessary general hardware platform, or of course by hardware. Based on such an understanding, the above technical solution can essentially or in other words be embodied in the form of a software product that contributes to the prior art. The computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a magnetic disk, an optical disk, etc., and includes a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods of each embodiment or some parts of the embodiment.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A motor arrangement method, It is characterized in that include: Obtain the thrust time curve or displacement time curve of the motor; Determining the uneven distribution state of the motor coil current; The relative position and / or relative number of the coil and the magnetic pole (100) are adjusted.

2. The motor arrangement method according to claim 1, It is characterized in that The step of adjusting the relative position and / or relative number of the coil and the magnetic pole (100) comprises: Determining the gap-staggered arrangement between the U-phase coil (102), the V-phase coil (104), and the W-phase coil (106) in the coil and the two magnetic poles (100); The axis of the U-phase coil (102) in the coil is adjusted to move toward a position close to the gap between the two magnetic poles (100).

3. The motor arrangement method according to claim 1, It is characterized in that The step of adjusting the relative position and / or relative number of the coil and the magnetic pole (100) comprises: Reducing the pole pitch of two adjacent groups of magnetic poles (100) and increasing the number of coils; Determining that the gaps between the U-phase coil (102) in the coil and the two magnetic poles (100) are staggered, and determining that the gaps between the V-phase coil (104) and the W-phase coil (106) in the coil and the two magnetic poles (100) are correspondingly arranged; The axis of the U-phase coil (102) in the coil is adjusted to move toward a position close to the gap between the two magnetic poles (100).

4. The motor arrangement method according to claim 1, It is characterized in that The step of adjusting the relative position and / or relative number of the coil and the magnetic pole (100) comprises: Increasing the pole pitch of two adjacent groups of magnetic poles (100); Determining that gaps between two of the magnetic poles (100) are arranged correspondingly to the axis of a first cross section (102) of a U-phase coil in the coil, and determining that gaps between another two of the magnetic poles (100) are arranged correspondingly to the axis of a second cross section (102) of a U-phase coil in the coil; The first cross section (102) of the U-phase coil is adjacent to the second cross section (102) of the U-phase coil.

5. The motor arrangement method according to claim 1, It is characterized in that The step of adjusting the relative position and / or relative number of the coil and the magnetic pole (100) comprises: reducing the spacing of the coils; It is determined that the two magnetic poles (100) correspond to the U-phase coil (102) in the coil.

6. The motor arrangement method according to any one of claims 1 to 5, It is characterized in that The step of obtaining the thrust time curve or displacement time curve of the motor includes: The current of the U-phase coil flows through calculate; The current of the V-phase coil flows through calculate; The current of the W phase coil flows through calculate; The currents of the U-phase coil (102), the V-phase coil (104) and the W-phase coil (106) differ by 120 degrees, A represents the current amplitude value, x represents the displacement of the mover, and τ represents the pole pitch.

7. A motor control device, It is characterized in that include: An acquisition module, used for acquiring a thrust time curve or a displacement time curve of the motor; An evaluation module, used for determining the uneven distribution state of the motor coil current; An adjustment module, used for adjusting the relative position and / or relative number of the coil and the magnetic pole (100); The current control module is used to set the motor coil current and follow the rearranged power-on rule.

8. A motor, It is characterized in that It comprises a coil, a magnetic pole (100) and a processor (108), wherein the processor (108) implements the motor arrangement method according to any one of claims 1 to 6 when executing the program.

9. An electronic device comprising a memory (112), a processor (108), and a computer program stored in the memory (112) and executable on the processor (108), It is characterized in that When the processor (108) executes the program, the motor arrangement method according to any one of claims 1 to 6 is implemented.

10. A non-transitory computer-readable storage medium having a computer program stored thereon, It is characterized in that When the computer program is executed by a processor (108), the motor arrangement method according to any one of claims 1 to 6 is implemented.

Images