Motor starting automation detection device and method

Abstract

The embodiment of the application discloses a motor starting automation detection device and method. The method is applied to a motor starting automation detection device, and the motor starting automation detection device comprises a control device, a stepping motor, a fan blade fixing device and a rotor connecting device. The method comprises the following steps: when a measured motor is in a power-on state, the measured motor is controlled to be powered off; the fan blade fixing device is controlled to be powered on; the rotor connecting device is controlled to be powered on; the fan blade fixing device is controlled to be powered off, and whether the power-off times of the measured motor are less than a preset power-off times threshold value is judged; if the power-off times are less than the power-off times threshold value, the second rotor is controlled to rotate a target step number which is the same as the power-off times; the rotor connecting device is controlled to be powered off, the measured motor is controlled to be powered on, the power-off times are updated, and the step of controlling the measured motor to be powered off when the measured motor is in the power-on state is executed until the power-off times are greater than the power-off times threshold value.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor detection, and in particular relates to a motor starting automation detection device and method. BACKGROUND

[0002] The basic working principle of a brushless direct current motor is that the current position of the rotor is detected through a position sensor and a back electromotive force, and then the current position is determined according to a set commutation table to obtain which two stator windings should be energized, so that the direction of the magnetic field generated by the stator winding changes continuously and uniformly, thereby enabling the rotor to rotate under the action of the magnetic field.

[0003] The starting torque of a brushless direct current motor is related to the starting current and the position of the rotor relative to the stator winding. Since the magnetic field generated by the stator winding is discontinuous, the angle between the rotor magnetic field and the stator magnetic field changes when the rotor is at different positions, and thus the generated torque also changes.

[0004] The brushless direct current motor commonly used in air conditioner hanging machines generally uses a Hall position sensor. After each shutdown, the rotor position driven by the fan blade is randomly stationary at any position. Therefore, the torque of the motor at each start is different. It may occur that the rotor is at a certain angle, and the torque generated at the start is not enough to start the motor with the fan blade. In order to ensure that the rotor driven by the fan blade is stationary at any angle, the torque generated at the start is sufficient to start the motor with the fan blade. Before the air conditioner is shipped, the brushless direct current motor driving the fan blade in the air conditioner needs to be detected for starting. However, each angle of the rotor needs to be tested once. For manual operation, the position accuracy is difficult to guarantee, and it is easy to cause repeated detection at a certain angle or missed detection at a certain angle. Moreover, the detection workload is huge. It can be seen that the detection accuracy and efficiency are relatively low when the motor is detected manually. SUMMARY

[0005] The embodiments of the present application provide a motor starting automation detection device and method for automatically detecting the starting condition of each angle of the motor, improving the detection progress and efficiency.

[0006] In a first aspect, the embodiments of the present application provide a motor starting automation detection device for automatically detecting a measured motor. The motor starting automation detection device comprises a control device, a stepper motor, a fan blade fixing device, and a rotor connecting device. The control device is connected with the stepper motor, the fan blade fixing device, and the rotor connecting device, respectively. The stepper motor is connected with the measured motor through the rotor connecting device, and wherein:

[0007] The control device is configured to control the stepper motor, the fan blade fixing device, and the rotor connecting device, respectively.

[0008] The blade fixing device is used to fix the rotation angle of the load blade at a fixed angle, wherein the load blade is a blade driven by the first rotor of the measured motor;

[0009] The rotor connecting device is used to connect the first rotor and the second rotor of the stepping motor;

[0010] The stepping motor is used to rotate the first rotor through the second rotor.

[0011] In a second aspect, the embodiments of the present application provide a motor starting automation detection method, which is applied to a motor starting automation detection device, and the motor starting automation detection device comprises a control device, a stepping motor, a blade fixing device and a rotor connecting device, and the method comprises the following steps:

[0012] When the measured motor is in a power-on state, the control device is used to control the measured motor to be powered off;

[0013] The control device is used to control the blade fixing device to be powered on, so that the blade fixing device fixes the rotation angle of the load blade at a fixed angle, wherein the load blade is a blade driven by the first rotor of the measured motor;

[0014] The control device is used to control the rotor connecting device to be powered on, so that the rotor connecting device connects the second rotor of the stepping motor and the first rotor;

[0015] The control device is used to control the blade fixing device to be powered off, and it is judged whether the power-off times of the measured motor are less than a preset power-off times threshold value;

[0016] If the power-off times are less than the preset power-off times threshold value, the control device is used to control the second rotor to rotate a target step number which is the same as the value of the power-off times, so that the first rotor rotates the target step number following the second rotor;

[0017] The control device is used to control the rotor connecting device to be powered off, and the measured motor is powered on, the power-off times are updated, and the step of controlling the measured motor to be powered off by the control device when the measured motor is in the power-on state is executed until the power-off times are greater than or equal to the power-off times threshold value.

[0018] In a third aspect, the embodiments of the present application further provide a motor starting automation detection device, which is arranged in a motor starting automation detection apparatus, and the motor starting automation detection apparatus comprises a control device, a stepping motor, a fan blade fixing device and a rotor connecting device, and the device comprises a transceiving module and a processing module.

[0019] The processing module is configured to: when the measured motor is in a powered-on state, control the measured motor to be powered off through the control device; control the fan blade fixing device to be powered on through the control device, so that the fan blade fixing device fixes the rotation angle of a load fan blade at a fixed angle, the load fan blade being driven by a first rotor of the measured motor; control the rotor connecting device to be powered on through the control device, so that the rotor connecting device connects a second rotor of the stepping motor with the first rotor; control the fan blade fixing device to be powered off through the control device, and determine whether the number of times of power-off of the measured motor is less than a preset power-off frequency threshold; if the number of times of power-off is less than the preset power-off frequency threshold, control the second rotor to rotate a target number of steps which is the same as the number of times of power-off through the control device, so that the first rotor rotates the target number of steps following the second rotor; control the rotor connecting device to be powered off through the control device, and control the measured motor to be powered on, update the number of times of power-off, and return to execute the step of controlling the measured motor to be powered off through the control device when the measured motor is in the powered-on state until the number of times of power-off is greater than or equal to the power-off frequency threshold.

[0020] The transceiving module is configured to output a detection result of the measured motor.

[0021] In a fourth aspect, the embodiments of the present application further provide a motor starting automation detection apparatus, which comprises a memory and a processor, and the memory stores a computer program, and the processor implements the above method when executing the computer program.

[0022] In a fifth aspect, the embodiments of the present application further provide a computer readable storage medium, which stores a computer program, and the computer program comprises program instructions, and the program instructions can implement the above method when executed by a processor.

[0023] The embodiment of the present application provides a motor starting automation detection device and method. The method is applied to a motor starting automation detection equipment, the motor starting automation detection equipment comprises a control device, a stepping motor, a fan blade fixing device and a rotor connecting device, and the method comprises the following steps: when a measured motor is in a power-on state, the measured motor is powered off through the control device; the fan blade fixing device is powered on through the control device, so that the fan blade fixing device fixes the rotation angle of a load fan blade at a fixed angle, the load fan blade is a fan blade driven by a first rotor of the measured motor; the rotor connecting device is powered on through the control device, so that the rotor connecting device connects a second rotor of the stepping motor and the first rotor; the fan blade fixing device is powered off through the control device, and whether the power-off times of the measured motor is less than a preset power-off times threshold is judged; if the power-off times is less than the preset power-off times threshold, the second rotor is controlled to rotate a target step number same as the value of the power-off times through the control device, so that the first rotor rotates the target step number following the second rotor; the rotor connecting device is powered off through the control device, and the measured motor is powered on, the power-off times is updated, and the step of powering off the measured motor through the control device when the measured motor is in the power-on state is executed until the power-off times is greater than or equal to the power-off times threshold. The scheme can automatically adjust the stop angle of the load fan blade on the first rotor through the motor starting automation detection equipment, the load fan blade is driven to rotate by the measured motor, the starting angle of the load fan blade is equivalent to the starting angle of the first rotor, so that the starting condition of the measured motor when the first rotor stops at any angle can be detected, and the angle of the first rotor is not manually adjusted, so that the starting condition of the motor at each angle can be automatically detected through the scheme, and the detection progress and the detection efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 A structural schematic diagram of the motor starting automation detection equipment provided by the embodiment of the present application is shown in the figure.

[0026] Figure 2 A flowchart of the motor starting automation detection method provided by the embodiment of the present application is shown in the figure.

[0027] Figure 3A schematic block diagram of a motor starting automation detection device provided by an embodiment of the present application is shown in FIG. 1.

[0028] Figure 4 A schematic block diagram of a motor starting automation detection device provided by an embodiment of the present application is shown in FIG. 1. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0030] It should be understood that, when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not exclude one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0031] It should also be understood that the terms used in the present application specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the present application specification and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0032] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations thereof, and includes these combinations.

[0033] The embodiments of the present application provide a motor starting automation detection device and method.

[0034] The execution subject of the motor starting automation detection method can be a motor starting automation detection device provided by the embodiments of the present application, or a motor starting automation detection device integrated with the motor starting automation detection device, wherein the motor starting automation detection device can be realized in the form of hardware or software.

[0035] In some embodiments, the motor starting automation detection device in the embodiments of the present application can be integrated in the control device in the motor starting automation detection device.

[0036] In some embodiments, please refer to Figure 1 ,Figure 1 A structural schematic diagram of the motor starting automation detection equipment 1 provided by the embodiment of the present application is provided, the motor starting automation detection equipment 1 comprises a control device 10, a stepping motor 20, a fan blade fixing device 30 and a rotor connecting device 40, wherein all components in the motor starting automation detection equipment can be fixed through a support frame, the control device 10 is connected with the stepping motor 20, the fan blade fixing device 30 and the rotor connecting device 40 respectively, and the stepping motor 20 is connected with a measured motor 50 through the rotor connecting device 40.

[0037] The control device 10 is used for controlling the stepping motor 20, the fan blade fixing device 30 and the rotor connecting device 40 respectively.

[0038] The fan blade fixing device 30 is used for fixing the rotation angle of a load fan blade at a fixed angle, and the load fan blade is a fan blade driven by a first rotor 51 of the measured motor 50.

[0039] The rotor connecting device 40 is used for connecting the first rotor 51 and a second rotor 21 of the stepping motor 20.

[0040] The stepping motor 20 is used for rotating the first rotor 51 through the second rotor 21.

[0041] The control device 10 is the control device of the stepping motor 20, the fan blade fixing device 30 and the rotor connecting device 40, the fan blade fixing device 30 is used for fixing the load fan blade 60 on the first rotor 51 of the measured motor 50 at a fixed position according to the instruction of the control device 10, the rotor connecting device 40 is used for tightly combining the first rotor 51 and the second rotor 21 of the stepping motor 20, thereby realizing the connection between the first rotor 51 and the second rotor 21, and the stepping motor 20 is used for controlling the first rotor 51 connected with the second rotor 21 to rotate through the second rotor 21, thereby synchronously rotating the load fan blade 60 fixedly arranged on the first rotor 51.

[0042] Specifically, in some embodiments, the blade fixing device 30 comprises a first metal sheet 31 and a first electromagnet 32, the first metal sheet 31 is arranged on the edge of the load blade (specifically, the edge of the circular surface side of the load blade), the first electromagnet 32 is arranged at a fixed position of the motor starting automatic detection device 1 (specifically, it can be fixed by a fixed support frame), the first metal sheet 31 is located in the magnetic control area of the first electromagnet 32, and the fixed position is not the central axis position of the load blade (if it is the central axis position, when the first electromagnet 32 is powered, the first metal sheet 31 receives the same force at any position in the running track (the running track takes the central axis position as the running center), which is not conducive to fixing the first metal sheet at a specific position).

[0043] At this time, the blade fixing device 30 only needs to power the first electromagnet 32 when realizing the blade fixing function, the first electromagnet 32 generates a first attractive force to the first metal sheet 31, so that the first metal sheet 31 stops at the position closest to the first electromagnet 32 in the running track of the first metal sheet 31 according to the first attractive force, since there is only one position closest to the first electromagnet 32 in the running track of the first metal sheet 31, the first metal sheet 31 can be fixed at the same place every time, realizing the fixation of the blade.

[0044] Specifically, in some embodiments, the rotor connecting device 40 comprises a second metal sheet 41 and a second electromagnet 42, the rotating shaft of the first rotor 51, the rotating shaft of the second metal sheet 41, the rotating shaft of the second electromagnet 42 and the rotating shaft of the second rotor 21 are in the same straight line, the second metal sheet 41 is fixedly arranged with the first rotor 51 close to one end of the second rotor 21, the second electromagnet 42 is arranged opposite to the second metal sheet 41, and the second metal sheet 41 is fixedly arranged with the second rotor 21 close to one end of the first rotor 51.

[0045] At this time, when the rotor connecting device 40 performs the rotor connecting function, it only needs to energize the second electromagnet 42. The second electromagnet 42 generates a second attractive force on the second metal plate 41, causing the second metal plate 41 to adhere to the second electromagnet 42 through the second attractive force. Since the second metal plate 41 is fixedly disposed at one end of the second rotor 21 (specifically the round end), and the second electromagnet 42 is fixed at one end of the first rotor 51 (specifically the round end), when the second electromagnet 42 is de-energized, there is no attractive force between the second metal plate 41 and the second electromagnet 42 (at this time, there is a small gap between the second metal plate 41 and the second electromagnet), so there is no connection between the first rotor 51 and the second rotor 21. However, when the second electromagnet 42 is energized, the first rotor 51 and the second rotor 21 can be tightly connected through the attractive force between the second metal plate 41 and the second electromagnet 42. At this time, the rotation of the second rotor 21 can synchronously drive the rotation of the first rotor 51.

[0046] In this embodiment of the application, when implementing the automated motor starting detection method, when the motor under test is energized, the automated motor starting detection equipment controls the motor under test to de-energize via the control device; the control device controls the fan blade fixing device to energize, so that the fan blade fixing device fixes the rotation angle of the load fan blade at a fixed angle, the load fan blade being the fan blade driven by the first rotor of the motor under test; the control device controls the rotor connecting device to energize, so that the rotor connecting device connects the second rotor of the stepper motor to the first rotor; the control device controls the fan blade fixing device to de-energize. The system checks whether the number of power outages of the tested motor is less than a preset power outage threshold. If the number of power outages is less than the preset power outage threshold, the system controls the second rotor to rotate a target number of steps equal to the number of power outages, causing the first rotor to follow the second rotor in rotating the target number of steps. The system then controls the rotor connection device to disconnect from the power supply and controls the tested motor to be powered on, updates the number of power outages, and returns to the step of controlling the tested motor to disconnect from the power supply when it is powered on, until the number of power outages is greater than or equal to the power outage threshold.

[0047] In this embodiment, the control device can be a microcontroller unit (MCU), and the motor under test is a brushless DC motor.

[0048] Figure 2 This is a flowchart illustrating the automated detection method for motor starting provided in an embodiment of this application. Figure 2 As shown, the method includes the following steps S110-S150, and the method can be applied to, for example... Figure 1The motor starting automation detection device shown.

[0049] S110, when the measured motor is in a powered state, the control device controls the measured motor to be powered off.

[0050] In this embodiment, when the measured motor is in a powered state, the first rotor in the measured motor is normally in a rotating state at this time, and the load fan blade on the first rotor also rotates at this time. When the control device detects that the time length of the measured motor in the powered state reaches the preset time length, the control device controls the measured motor to be powered off at this time. At this time, the load fan blade enters an inertial running state.

[0051] S120, the control device controls the fan blade fixing device to be powered on, so that the fan blade fixing device fixes the rotation angle of the load fan blade at a fixed angle.

[0052] In this embodiment, when the measured motor is powered off and the load fan blade enters an inertial running state, the control device controls the fan blade fixing device to be powered on at this time. Specifically, the first electromagnet is powered on, so that the first electromagnet generates a first attractive force on the first metal sheet, so that the first metal sheet stops at the position closest to the first electromagnet in the running track of the first metal sheet according to the first attractive force. That is, the load fan blade eventually stops at a fixed angle each time the measured motor is powered off.

[0053] S130, the control device controls the rotor connecting device to be powered on, so that the rotor connecting device connects the second rotor of the stepping motor with the first rotor.

[0054] In this embodiment, when the load fan blade is fixed and stopped at a fixed angle by the fan blade fixing device, the rotor connecting device is controlled to be powered on at this time, so that the rotor connecting device connects the second rotor of the stepping motor with the first rotor. Specifically, the second electromagnet is powered on, and the powered second electromagnet generates a second attractive force on the second metal sheet, so that the second metal sheet closely adheres to the second electromagnet through the second attractive force, realizing the connection between the first rotor and the second rotor. In this embodiment, when the first rotor and the second rotor are connected, the first rotor can rotate following the rotation of the second rotor.

[0055] S140, the control device controls the fan blade fixing device to be powered off, and judges whether the number of power-off times of the measured motor is less than a preset power-off time threshold. If yes, step S150 is executed, and if no, step S170 is executed.

[0056] When the second rotor is connected with the first rotor through the rotor connecting device, the control device controls the fan blade fixing device to be powered off (to avoid the rotation of the subsequent load fan blades being interfered by the first attractive force), and determines whether the power-off times of the measured motor is less than the preset power-off times threshold. If yes, it indicates that there are still angles that have not been tested. If no, it indicates that all the preset angles (i.e. the angles of the load fan blades when the load motor starts) have been tested.

[0057] In this embodiment, the power-off times threshold corresponds to the step angle of the stepper motor. If the step angle of the stepper motor is 1 degree per step, the power-off times threshold is 360 times. If the step angle of the stepper motor is 2 degrees per step, the power-off times threshold is 180 times. The smaller the step angle of the stepper motor, the more accurate the detection, and the larger the power-off times threshold.

[0058] S150, control the second rotor to rotate a target number of steps equal to the number of power-off times through the control device, so that the first rotor follows the second rotor to rotate the target number of steps.

[0059] If the power-off times is less than the preset power-off times threshold, it indicates that the start angle of the load fan blades needs to be changed, and the start detection of the load motor needs to be continued. At this time, the control device controls the second rotor to rotate a target number of steps equal to the number of power-off times, so that the first rotor follows the second rotor to rotate the target number of steps.

[0060] For example, the current power-off times is 150 times. At this time, the stepper motor rotates 150 steps, i.e. the target number of steps is 150 steps. If the step angle corresponding to one step is 1 degree, the stepper motor will drive the load fan blades on the first rotor to rotate 150 degrees. Since the load fan blades are always at the same position (which is defined as the initial position in this embodiment, and the corresponding angle is 0 degrees) when the stepper motor controls the load fan blades to rotate, if the load fan blades are rotated by 150 degrees, the load fan blades will also be rotated to 150 degrees at this time.

[0061] S160, control the rotor connecting device to be powered off and the measured motor to be powered on through the control device, update the power-off times, and return to execute the step S110 until the power-off times is greater than or equal to the power-off times threshold.

[0062] In the embodiment, when the load fan blade is rotated to the target angle corresponding to the target step number of the stepper motor, the measured motor is powered at this time, and the measured motor will start in the state that the load fan blade is at the target angle (the target angle is different each time the power is turned on). And update the power-off times (where the power-off times are counted from 0 times, and each update will add 1 to the times), return to execute the step of controlling the measured motor to be powered off by the control device when the measured motor is in the powered-on state until the power-off times are greater than or equal to the power-off times threshold.

[0063] In some embodiments, after the measured motor is powered on, the method further comprises: detecting whether the measured motor starts normally; and recording the detection result, wherein if the measured motor does not start normally, the angle at which the first rotor is currently located is determined as an abnormal angle, and if the measured motor starts normally, the angle at which the first rotor is currently located is determined as a normal angle.

[0064] S170, issue a detection completion instruction of the measured motor, and output the detection result.

[0065] In the embodiment, if the power-off times are greater than the power-off times threshold, it means that all the starting angles of the first rotor in the measured motor have been detected, and the starting detection of the measured motor is completed. At this time, a detection completion instruction of the measured motor is issued, and the detection result is output.

[0066] The detection result includes the angle of the first rotor corresponding to the abnormal starting (if any) and the angle of the first rotor corresponding to the normal starting.

[0067] In summary, the method is applied to the motor starting automation detection device, the motor starting automation detection device includes a control device, a stepper motor, a fan blade fixing device and a rotor connecting device, the method includes: when the measured motor is in the power-on state, the measured motor is powered off by the control device; the fan blade fixing device is powered on by the control device, so that the fan blade fixing device fixes the rotation angle of the load fan blade at a fixed angle, the load fan blade is driven by the first rotor of the measured motor; the rotor connecting device is powered on by the control device, so that the rotor connecting device connects the second rotor of the stepper motor with the first rotor; the fan blade fixing device is powered off by the control device, and it is judged whether the power-off times of the measured motor are less than the preset power-off times threshold; if the power-off times are less than the preset power-off times threshold, the second rotor is controlled to rotate the target step number same as the power-off times by the control device, so that the first rotor rotates the target step number following the second rotor; the rotor connecting device is powered off by the control device, and the measured motor is powered on, the power-off times are updated, and the step of controlling the measured motor to be powered off by the control device when the measured motor is in the power-on state is returned to be executed until the power-off times are greater than or equal to the power-off times threshold. The scheme can automatically adjust the stop angle of the load fan blade on the first rotor through the motor starting automation detection device, and the load fan blade is driven to rotate by the measured motor, the starting angle of the load fan blade is equivalent to the starting angle of the first rotor, so that the starting condition of the measured motor when the first rotor stops at any angle can be detected, and the angle of the first rotor is not needed to be adjusted artificially. It can be seen that the starting condition of the motor at each angle can be automatically detected through the scheme, and the detection progress and detection efficiency are improved.

[0068] Figure 3 is a schematic block diagram of a motor starting automation detection device provided by the embodiment of the application. As shown in Figure 3 , corresponding to the above motor starting automation detection method, the application also provides a motor starting automation detection device. The motor starting automation detection device is integrated in the motor starting automation detection device, and the motor starting automation detection device includes a control device, a stepper motor, a fan blade fixing device and a rotor connecting device. Specifically, please refer to Figure 3 , the motor starting automation detection device 300 includes a processing module 301 and a transceiver module 302, wherein:

[0069] The processing module 301 is configured to: control the motor under test to be powered off by the control device when the motor under test is powered on; control the blade fixing device to be powered on by the control device, so that the blade fixing device fixes the rotation angle of the load blade at a fixed angle, the load blade being driven by a first rotor of the motor under test; control the rotor connecting device to be powered on by the control device, so that the rotor connecting device connects a second rotor of the stepping motor with the first rotor; control the blade fixing device to be powered off by the control device, and determine whether the number of times of power-off of the motor under test is less than a preset power-off threshold; if the number of times of power-off is less than the preset power-off threshold, control the second rotor to rotate a target number of steps which is the same as the number of times of power-off by the control device, so that the first rotor rotates the target number of steps following the second rotor; control the rotor connecting device to be powered off by the control device, and control the motor under test to be powered on, update the number of times of power-off, and return to execute the step of controlling the motor under test to be powered off by the control device when the motor under test is powered on until the number of times of power-off is greater than or equal to the power-off threshold.

[0070] The transceiving module 302 is configured to output a detection result of the motor under test.

[0071] In some embodiments, the blade fixing device comprises a first metal sheet and a first electromagnet, the first metal sheet is arranged on an edge of the load blade, the first electromagnet is arranged at a fixed position of the motor starting automation detection device, the first metal sheet is located in a magnetic control area of the first electromagnet, and the fixed position is not a central axis position of the load blade.

[0072] In some embodiments, when the processing module 301 executes the step of controlling the blade fixing device to be powered on by the control device, the processing module 301 is specifically configured to:

[0073] The first electromagnet is powered on by the control device, the first electromagnet generates a first attractive force on the first metal sheet, so that the first metal sheet stops at a position closest to the first electromagnet in a running track of the first metal sheet according to the first attractive force.

[0074] In some embodiments, the rotor connecting device comprises a second metal sheet and a second electromagnet, a rotating shaft of the first rotor, a rotating shaft of the second metal sheet, a rotating shaft of the second electromagnet and a rotating shaft of the second rotor are in the same straight line, the second metal sheet is fixedly arranged close to one end of the first rotor, the second electromagnet is arranged opposite to the second metal sheet, and the second metal sheet is fixedly arranged close to one end of the second rotor which is close to the first rotor.

[0075] In some embodiments, the processing module 301, in the process of controlling the rotor connection device to be powered on by the control device, is specifically configured to:

[0076] controlling the second electromagnet to be powered on by the control device, the second electromagnet generates a second attractive force on the second metal sheet, so that the second metal sheet is attached to the second electromagnet by the second attractive force.

[0077] In some embodiments, after the processing module 301 controls the measured motor to be powered on, it is further configured to:

[0078] detecting whether the measured motor starts normally;

[0079] If the measured motor does not start normally, the current angle of the first rotor is determined as an abnormal angle;

[0080] If the measured motor starts normally, the current angle of the first rotor is determined as a normal angle.

[0081] In some embodiments, after the processing module 301 determines whether the number of power-off times of the measured motor is less than the preset power-off time threshold, it is further configured to:

[0082] If the number of power-off times is greater than or equal to the power-off time threshold, the detection completion instruction of the measured motor is issued, and the detection result is output.

[0083] In summary, the motor starting automatic detection device 300 in the present scheme can automatically adjust the stop angle of the load fan blade on the first rotor through the motor starting automatic detection equipment, and the load fan blade is driven to rotate by the measured motor. The starting angle of the load fan blade is equivalent to the starting angle of the first rotor, so the starting condition of the measured motor when the first rotor stops at any angle can be detected, and the angle of the first rotor does not need to be adjusted manually. It can be seen that the starting condition of the motor at each angle can be automatically detected by the present scheme, improving the detection progress and detection efficiency.

[0084] It should be noted that those skilled in the art can clearly understand the specific implementation process of the above motor starting automatic detection device and each unit, which can refer to the corresponding description in the foregoing method embodiments. For the convenience and brevity of description, it will not be repeated here.

[0085] The above motor starting automatic detection device can be realized in the form of a computer program, which can run on the motor starting automatic detection equipment as shown in Figure 4 .

[0086] Please refer to Figure 4 , Figure 4 is a schematic block diagram of a motor starting automation detection device provided by an embodiment of the present application. The motor starting automation detection device 400 comprises a control device, a stepping motor, a fan blade fixing device and a rotor connecting device. Please refer to Figure 4 , the motor starting automation detection device 400 comprises a processor 402, a memory and a network interface 405 connected through a system bus 401, wherein the memory can comprise a non-volatile storage medium 403 and an internal memory 404.

[0087] The non-volatile storage medium 403 can store an operating system 4031 and a computer program 4032. The computer program 4032 comprises program instructions which, when executed, can cause the processor 402 to perform a motor starting automation detection method.

[0088] The processor 402 is configured to provide computing and control capabilities to support the operation of the entire motor starting automation detection device 400.

[0089] The internal memory 404 provides an environment for the operation of the computer program 4032 in the non-volatile storage medium 403, which, when executed by the processor 402, can cause the processor 402 to perform a motor starting automation detection method.

[0090] The network interface 405 is configured to perform network communication with other devices. Those skilled in the art can understand that Figure 4 the structure shown in the figure is only a block diagram of part of the structure related to the scheme of the present application, and does not constitute a limitation on the motor starting automation detection device 400 to which the scheme of the present application is applied. The specific motor starting automation detection device 400 can comprise more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0091] The processor 402 is configured to run the computer program 4032 stored in the memory to implement the following steps:

[0092] When the measured motor is in a powered state, the control device is configured to control the measured motor to be powered off;

[0093] The control device is configured to control the fan blade fixing device to be powered on, so that the fan blade fixing device fixes the rotation angle of the load fan blade at a fixed angle, and the load fan blade is driven by the first rotor of the measured motor;

[0094] The control device is configured to control the rotor connecting device to be powered on, so that the rotor connecting device connects the second rotor of the stepping motor with the first rotor;

[0095] controlling, by the control device, the wind blade fixing device to be powered off, and determining whether the power-off times of the measured motor is less than a preset power-off times threshold value;

[0096] If the power-off times is less than the preset power-off times threshold value, controlling, by the control device, the second rotor to rotate a target step number same as the power-off times, so that the first rotor rotates the target step number following the second rotor;

[0097] controlling, by the control device, the rotor connecting device to be powered off, and controlling the measured motor to be powered on, updating the power-off times, and returning to execute the step of controlling, by the control device, the measured motor to be powered off when the measured motor is in the powered-on state, until the power-off times is greater than or equal to the power-off times threshold value.

[0098] In some embodiments, the wind blade fixing device comprises a first metal sheet and a first electromagnet, the first metal sheet is arranged on the edge of the load wind blade, the first electromagnet is arranged at a fixed position of the motor starting automation detection device, the first metal sheet is located in the magnetic control area of the first electromagnet, and the fixed position is not the central axis position of the load wind blade.

[0099] In some embodiments, when the processor 402 implements the step of controlling, by the control device, the wind blade fixing device to be powered on, it specifically implements the following steps:

[0100] controlling, by the control device, the first electromagnet to be powered on, the first electromagnet generates a first attractive force on the first metal sheet, so that the first metal sheet stops at the position closest to the first electromagnet in the running track of the first metal sheet according to the first attractive force.

[0101] In some embodiments, the rotor connecting device comprises a second metal sheet and a second electromagnet, the rotation shaft of the first rotor, the rotation shaft of the second metal sheet, the rotation shaft of the second electromagnet and the rotation shaft of the second rotor are in the same straight line, the second metal sheet is fixedly arranged close to one end of the second rotor of the first rotor, the second electromagnet is arranged opposite to the second metal sheet, and the second metal sheet is fixedly arranged close to one end of the first rotor of the second rotor.

[0102] In some embodiments, when the processor 402 implements the step of controlling, by the control device, the rotor connecting device to be powered on, it specifically implements the following steps:

[0103] The second electromagnet is controlled to be energized by the control device, and the second electromagnet generates a second attractive force on the second metal sheet, so that the second metal sheet is attached to the second electromagnet by the second attractive force.

[0104] In some embodiments, the processor 402, after implementing the step of controlling the measured motor to be energized, further implements the following steps:

[0105] detecting whether the measured motor is started normally;

[0106] if the measured motor is not started normally, determining the current angle of the first rotor as an abnormal angle;

[0107] if the measured motor is started normally, determining the current angle of the first rotor as a normal angle.

[0108] In some embodiments, the processor 402, after implementing the step of judging whether the number of power-off times of the measured motor is less than a preset power-off time threshold, further implements the following steps:

[0109] if the number of power-off times is greater than or equal to the power-off time threshold, issuing a detection completion instruction of the measured motor and outputting a detection result.

[0110] It should be understood that, in the embodiments of the present application, the processor 402 can be a central processing unit (CPU), and the processor 402 can also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor.

[0111] It can be understood by those skilled in the art that all or part of the processes in the above-mentioned embodiments can be completed by a computer program instructing related hardware. The computer program includes program instructions, and the computer program can be stored in a storage medium, which is a computer readable storage medium. The program instructions are executed by at least one processor in the computer system to implement the process steps of the above-mentioned embodiments.

[0112] Therefore, the application further provides a storage medium. The storage medium can be a computer readable storage medium. The storage medium stores a computer program, wherein the computer program includes program instructions. The program instructions are executed by a processor to cause the processor to perform the following steps:

[0113] controlling the motor under test to be powered off by the control device when the motor under test is powered on;

[0114] controlling the blade fixing device to be powered on by the control device, so that the blade fixing device fixes a rotation angle of a load blade at a fixed angle, the load blade being driven by a first rotor of the motor under test;

[0115] controlling the rotor connecting device to be powered on by the control device, so that the rotor connecting device connects a second rotor of the stepping motor with the first rotor;

[0116] controlling the blade fixing device to be powered off by the control device, and determining whether the number of times of powering off the motor under test is less than a preset number of times of powering off threshold;

[0117] if the number of times of powering off is less than the preset number of times of powering off threshold, controlling the second rotor to rotate a target number of steps equal to the number of times of powering off by the control device, so that the first rotor rotates the target number of steps following the second rotor;

[0118] controlling the rotor connecting device to be powered off by the control device, and controlling the motor under test to be powered on, updating the number of times of powering off, and returning to perform the step of controlling the motor under test to be powered off by the control device when the motor under test is powered on, until the number of times of powering off is greater than or equal to the number of times of powering off threshold.

[0119] In some embodiments, the blade fixing device includes a first metal sheet and a first electromagnet, the first metal sheet is arranged on an edge of the load blade, the first electromagnet is arranged at a fixed position of the motor starting automation detection device, the first metal sheet is located in a magnetic control area of the first electromagnet, and the fixed position is not a central axis position of the load blade.

[0120] In some embodiments, when the processor executes the program instructions to implement the step of controlling the blade fixing device to be powered on by the control device, the processor specifically implements the following steps:

[0121] controlling the first electromagnet to be powered on by the control device, the first electromagnet generating a first attractive force on the first metal sheet, so that the first metal sheet stops at a position closest to the first electromagnet in a running track of the first metal sheet according to the first attractive force.

[0122] In some embodiments, the rotor connecting device comprises a second metal sheet and a second electromagnet, a rotation axis of the first rotor, a rotation axis of the second metal sheet, a rotation axis of the second electromagnet and a rotation axis of the second rotor are in a same straight line, the second metal sheet is fixedly arranged with the first rotor at one end close to the second rotor, the second electromagnet is oppositely arranged with the second metal sheet, and the second metal sheet is fixedly arranged with the second rotor at one end close to the first rotor.

[0123] In some embodiments, when the processor executes the program instructions to implement the step of controlling the rotor connecting device to be powered on by the control device, the processor specifically implements the following steps:

[0124] controlling the second electromagnet to be powered on by the control device, the second electromagnet generates a second attractive force on the second metal sheet, so that the second metal sheet is attached to the second electromagnet by the second attractive force.

[0125] In some embodiments, after the processor executes the program instructions to implement the step of controlling the motor under test to be powered on, the processor further implements the following steps:

[0126] detecting whether the motor under test is started normally;

[0127] if the motor under test is not started normally, determining an angle at which the first rotor is currently located as an abnormal angle;

[0128] if the motor under test is started normally, determining an angle at which the first rotor is currently located as a normal angle.

[0129] In some embodiments, after the processor executes the program instructions to implement the step of determining whether the number of power-off times of the motor under test is less than a preset number-of-power-off-time threshold, the processor further implements the following steps:

[0130] if the number of power-off times is greater than or equal to the number-of-power-off-time threshold, issuing a detection completion instruction of the motor under test and outputting a detection result.

[0131] The storage medium can be a U disk, a mobile hard disk, a read-only memory (ROM), a magnetic disk or an optical disk, and various computer readable storage media that can store program codes.

[0132] Those skilled in the art can understand that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be realized in electronic hardware, computer software or a combination of both. In order to clearly illustrate the interchangeability of hardware and software, the components and steps of each example have been described in general terms in the above description. Whether the functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. A person skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0133] In several embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative. For example, the division of each unit is only a logical function division, and actual implementation can have another division manner. For example, a plurality of units or components can be combined or integrated into another system, or some features can be omitted or not executed.

[0134] The steps in the method embodiments of the present application can be adjusted, combined and reduced in sequence according to actual needs. The units in the apparatus embodiments of the present application can be combined, divided and reduced according to actual needs. In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0135] The integrated unit, if realized in the form of a software functional unit and sold or used as an independent product, can be stored in a storage medium. Based on such understanding, the technical solutions of the present application essentially or say the part that contributes to the prior art, or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes a plurality of instructions for causing a computer device (which can be a personal computer, a terminal or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application.

[0136] The above description is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An automated detection method for motor starting, characterized in that, The method is applied to an automated motor starting testing device, which is used to perform automated starting testing on the motor under test. The automated motor starting testing device includes a control device, a stepper motor, a fan blade fixing device, and a rotor connecting device. The control device is connected to the stepper motor, the fan blade fixing device, and the rotor connecting device. The stepper motor is connected to the motor under test through the rotor connecting device, wherein: The control device is used to control the stepper motor, the fan blade fixing device, and the rotor connecting device respectively. The fan blade fixing device is used to fix the rotation angle of the load fan blade at a fixed angle, wherein the load fan blade is a fan blade driven by the first rotor of the motor under test. The rotor connecting device is used to connect the first rotor and the second rotor of the stepper motor; The stepper motor is used to rotate the first rotor via the second rotor; The method includes: When the motor under test is powered on, the control device controls the motor under test to be powered off. The control device controls the power supply of the fan blade fixing device, so that the fan blade fixing device fixes the rotation angle of the load fan blade at a fixed angle. The control device controls the rotor connection device to be energized, so that the rotor connection device connects the second rotor of the stepper motor to the first rotor; The control device controls the fan blade fixing device to cut off power, and determines whether the number of power cuts of the tested motor is less than a preset power cut number threshold. If the number of power outages is less than a preset power outage threshold, the control device controls the second rotor to rotate a target number of steps equal to the number of power outages, so that the first rotor follows the second rotor to rotate the target number of steps. The control device controls the rotor connection device to be de-energized and controls the tested motor to be energized, updates the number of power outages, and returns to the step of controlling the tested motor to be de-energized when the tested motor is energized, until the number of power outages is greater than or equal to the power outage threshold.

2. The method according to claim 1, characterized in that, The fan blade fixing device includes a first metal plate and a first electromagnet. The first metal plate is disposed on the edge of the load fan blade, and the first electromagnet is disposed at a fixed position of the motor starting automatic detection equipment. The first metal plate is located in the magnetic control area of ​​the first electromagnet, and the fixed position is not the central axis position of the load fan blade.

3. The method according to claim 2, characterized in that, The step of controlling the power supply to the fan blade fixing device via the control device includes: The control device controls the first electromagnet to be energized, and the first electromagnet generates a first attractive force on the first metal sheet, so that the first metal sheet stops at the position closest to the first electromagnet in the running trajectory of the first metal sheet according to the first attractive force.

4. The method according to claim 1, characterized in that, The rotor connecting device includes a second metal plate and a second electromagnet. The shafts of the first rotor, the second metal plate, the second electromagnet, and the second rotor are on the same straight line. The second metal plate is fixedly disposed with the end of the first rotor near the second rotor. The second electromagnet is disposed opposite to the second metal plate, and the second metal plate is fixedly disposed with the end of the second rotor near the first rotor.

5. The method according to claim 4, characterized in that, The step of controlling the rotor connection device to be energized via the control device includes: The control device controls the second electromagnet to be energized, and the second electromagnet generates a second attractive force on the second metal sheet, so that the second metal sheet is in contact with the second electromagnet through the second attractive force.

6. The method according to any one of claims 1 to 5, characterized in that, After the controlled motor under test is powered on, the method further includes: Check whether the motor under test starts normally; If the tested motor fails to start normally, the current angle of the first rotor is determined as an abnormal angle. If the tested motor starts normally, the current angle of the first rotor is determined as the normal angle.

7. The method according to any one of claims 1 to 5, characterized in that, After determining whether the number of power outages of the tested motor is less than a preset power outage threshold, the method further includes: If the number of power outages is greater than or equal to the power outage threshold, a test completion command is issued for the tested motor, and the test result is output.

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