CN115842446A - Noise reduction brushless DC motor with reduction gearbox - Google Patents
Noise reduction brushless DC motor with reduction gearbox Download PDFInfo
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Abstract
The invention provides a noise reduction direct current brushless motor with a reduction gearbox, which comprises a reduction gearbox body, a brushless motor body, a detection terminal, an alarm terminal and an emergency terminal, wherein the detection terminal is connected with the reduction gearbox body; the brushless motor body is used for providing power for the driving carrier; the reduction box body is used for adjusting the output of the brushless motor body; the detection terminal is used for detecting the brushless motor body and the reduction gearbox body in real time to generate first detection information and second detection information; the alarm terminal is used for generating alarm information according to the first detection information and the second detection information; the emergency terminal is used for generating and executing an emergency instruction according to the alarm information; the emergency command is used for driving the brushless motor body to be switched to an emergency mode. The invention has the effect of improving the stability and the safety of the motor.
Description
Technical Field
The invention relates to the technical field of direct current brushless motors, in particular to a noise reduction direct current brushless motor with a reduction gearbox.
Background
The reduction gearbox is also called as a speed reducer or a speed reducer, works according to the principle that a prime motor is connected with the reduction gearbox, and the reduction gearbox is connected with a working machine, and is power transmission equipment. The gearbox can be divided into an industrial gearbox and a steam gearbox, the industrial gearbox can be divided into a worm gear gearbox, a worm gear gearbox, a planetary gearbox and the like, and the gearbox is mainly divided into a single stage, a second stage and a multi-stage according to the transmission stage number. The brushless dc motor generally comprises a motor body and a driver, and is a typical mechatronic product. A brushless motor refers to a motor without a brush and a commutator, and is also called a commutator-less motor.
A number of dc brushless motors have been developed, and after a great deal of search and reference, it is found that prior art dc brushless motors such as those disclosed in publications CN109638766A, CN101136574A, EP2180581A3, US20190131913A1, JP2021164261A generally include: a dc brushless motor unit and a controller unit, wherein: the direct current brushless motor unit comprises a stator component, a permanent magnet rotor component magnetically coupled with the stator component, a shell for supporting and installing the stator component and the permanent magnet rotor component, and an end cover arranged at the end part of the shell, wherein a rotating shaft of the permanent magnet rotor component extends out of the end cover at the top end; the controller unit comprises an integrated power module, a microprocessor unit, a rotor position sensing circuit, a power supply processing circuit, an I/O interface circuit, a current sensing circuit and a controller box; the controller unit is arranged on the bottom surface of the direct current brushless motor unit and is electrically connected with the direct current brushless motor unit. However, the detection process of the direct current brushless motor is single, and alarm emergency control is lacked, so that the defects that the stability and the safety of the direct current brushless motor are reduced are caused.
Disclosure of Invention
The invention aims to provide a noise reduction brushless direct current motor with a reduction box aiming at the defects of the brushless direct current motor.
The invention adopts the following technical scheme:
a noise reduction direct current brushless motor with a reduction gearbox comprises a reduction gearbox body, a brushless motor body, a detection terminal, an alarm terminal and an emergency terminal;
the brushless motor body is used for providing power for the driving carrier; the reduction gearbox body is used for adjusting the output of the brushless motor body;
the detection terminal is used for detecting the brushless motor body and the reduction gearbox body in real time to generate first detection information and second detection information; the alarm terminal is used for generating alarm information according to the first detection information and the second detection information; the emergency terminal is used for generating and executing an emergency instruction according to the alarm information; the emergency command is used for driving the brushless motor body to be switched to an emergency mode.
Optionally, the detection terminal comprises a brushless motor body detection module and a reduction gearbox body detection module; the brushless motor body detection module is used for detecting the working current, noise and temperature of the brushless motor body in real time when the brushless motor body works and generating first detection information; the speed reduction box body detection module is used for detecting the noise and the temperature of the speed reduction box body during working, the input angular speed of the motor output shaft and the output angular speed of the output shaft of the speed reduction box body in real time.
Optionally, the alarm terminal includes an alarm index calculation module, an alarm information generation module, and an alarm execution module; the alarm index calculation module is used for calculating an alarm index of the motor according to the first detection information and calculating an alarm index of the reduction gearbox according to the second detection information; the alarm information generation module is used for generating alarm information according to the motor alarm index and the reduction gearbox alarm index; and the alarm execution module is used for carrying out alarm operation according to the alarm information.
Optionally, the emergency terminal includes an alarm information proofreading module and an emergency instruction selection module; the alarm information proofreading module is used for proofreading the alarm information according to the temperature information and the use information of the detection day; and the emergency instruction selection module is used for selecting a corresponding emergency instruction according to the corrected alarm information.
Optionally, the alarm index calculation module comprises a motor alarm index calculation submodule and a reduction gearbox alarm index calculation submodule; when the motor alarm index calculation submodule calculates, the following formula is satisfied:
wherein,representing a motor alarm index; />Indicating that the detection process has a duration of->The average working current value of the brushless motor body in the detection process; />Representing a reference working current value of the brushless motor body; />Indicating that the detection process is longThe brushless motor body is based on the detection result>The duration of time that the next occurrence of noise is above the noise threshold; />Indicating that the detection process has a duration of->The number of times the noise is above the noise threshold during the detection process; />Indicating that the detection process has a duration of->The average working temperature value of the brushless motor body in the detection process; />Representing a reference operating temperature value of the brushless motor body; />To/is>Respectively representing different numerical conversion coefficients, and setting by engineers according to experience; />The time for representing the detection process is set by an engineer according to experience;
when the reduction gearbox alarm index calculation submodule calculates, the following formula is satisfied:
wherein,representing a reduction gearbox alarm index; />Indicating that the detection process has a duration of->In the detection process, the speed reduction box body is subjected to the fifth judgment>The duration of time that the next occurrence of noise is above the noise threshold; />Indicates that the detection process has been timed to +>The number of times the noise is above the noise threshold during the detection process; />Indicating that the detection process has a duration of->Average of reduction gearbox body in the detection processA working temperature value; />Representing a reference operating temperature value of the reduction gearbox body; />Indicating that the detection process has a duration of->Average input angular velocity of the motor output shaft in the detection process of (3); />Indicating that the detection process has a duration of->The average output angular velocity of the output shaft of the reduction box body in the detection process; />Indicates the first and second position of the speed reduction box body>The angular velocity ratio corresponding to the gear; />To/is>Respectively, represent different numerical conversion coefficients, and are set by engineers according to experience.
Optionally, the alarm information generating module includes a comparison sub-module and an alarm information selecting sub-module; the comparison submodule is used for comparing the motor alarm index with the motor alarm threshold value and comparing the reduction gearbox alarm index with the reduction gearbox alarm threshold value; the alarm information selection submodule is used for selecting alarm information according to a comparison result;
when the alarm information selection submodule works, the following formula is satisfied:
wherein,indicating alarm information based on the motor alarm index; />The alarm grade based on the motor alarm index in the alarm information is represented as one grade, and the alarm grade is used for carrying out light alarm corresponding to the brushless motor body through the alarm execution module;the alarm grade based on the motor alarm index in the alarm information is represented as second grade, and the second grade is used for carrying out light alarm and sound alarm corresponding to the brushless motor body through the alarm execution module; />The alarm grade based on the motor alarm index in the alarm information is represented as three grades, and the alarm grade is used for carrying out light alarm, sound alarm and short message alarm corresponding to the brushless motor body through the alarm execution module; the short message alarm represents that the alarm execution module generates an alarm short message to a mobile terminal of a user; />The motor alarm threshold value is represented and is set by an engineer according to experience;
when the alarm information selection submodule works, the following formula is satisfied:
wherein,indicating alarm information based on the alarm index of the reduction gearbox; />The alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as one grade, and the alarm grade is used for corresponding reduction through the alarm execution moduleThe light of the speed box body gives an alarm;the alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as two grades and is used for carrying out light alarm and sound alarm on the corresponding reduction gearbox body through the alarm execution module; />The alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as three grades, and the alarm grade is used for carrying out light alarm, sound alarm and short message alarm on the corresponding reduction gearbox body through the alarm execution module; />The alarm threshold value of the reduction gearbox is shown and is set by an engineer according to experience.
A control method of a noise reduction DC brushless motor with a reduction box is applied to the noise reduction DC brushless motor with the reduction box, and comprises the following steps:
s1, detecting a brushless motor body and a reduction gearbox body in real time to generate first detection information and second detection information;
s2, generating alarm information according to the first detection information and the second detection information;
and S3, generating and executing an emergency instruction according to the alarm information, and driving the brushless motor body to switch to an emergency mode.
The beneficial effects obtained by the invention are as follows:
the arrangement of the reduction gearbox body, the brushless motor body, the detection terminal, the alarm terminal and the emergency terminal is beneficial to detecting the reduction gearbox body and the brushless motor body in real time, alarm information is generated through the first detection information and the second detection information, and then an emergency instruction is generated quickly and accurately, so that the stability and the safety of the direct current brushless motor are improved;
the arrangement of the brushless motor body detection module and the reduction box body detection module is beneficial to simultaneously detecting the reduction box body and the brushless motor body and improving the stability of the detection process, and the accuracy of the detection result is improved, so that the safety and the stability of the direct current brushless motor are improved;
the alarm index calculation module, the alarm information generation module and the alarm execution module are arranged to facilitate the quick calculation of the motor alarm index through the first detection information and the quick calculation of the reduction gearbox alarm index through the second detection information, so that the stability and the generation speed of the alarm information are improved;
the alarm information proofreading module and the emergency instruction selection module are arranged, so that the alarm information can be proofread according to the temperature information and the use information, and the accuracy of the alarm information is further improved;
the arrangement of the motor alarm index calculation submodule and the reduction gearbox alarm index calculation submodule is matched with a motor alarm index algorithm and a reduction gearbox alarm index algorithm, so that the accuracy and the calculation efficiency of the motor alarm index are improved, and the accuracy and the calculation efficiency of the reduction gearbox alarm index are also improved, and the whole system is more stable and safer;
the setting of the comparison sub-module and the alarm information selection sub-module is matched with an alarm information proofreading algorithm, so that the accuracy and the generation efficiency of the alarm information are improved, and the overall accuracy, stability and safety are further improved;
the setting of the alarm index updating submodule and the alarm information proofreading submodule is matched with a motor alarm index updating algorithm, a reduction box alarm index updating algorithm and an alarm information proofreading algorithm, so that the accuracy and the timeliness of the alarm information are improved, and the overall stability and the safety are further improved.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the brushless motor body according to the present invention.
FIG. 3 is a flow chart of a method for controlling a noise reduction DC brushless motor with a reduction box according to the present invention.
FIG. 4 is a diagram illustrating an overall result of the alarm information checking module according to the present invention.
Detailed Description
The following is a description of embodiments of the present invention with reference to specific embodiments, and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modifications and various changes in detail without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not drawn to scale, and are not intended to be described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
The first embodiment.
The embodiment provides a noise reduction direct current brushless motor with a reduction gearbox. Referring to fig. 1 and 2, a noise reduction dc brushless motor with a reduction box comprises a reduction box body, a brushless motor body, a detection terminal, an alarm terminal and an emergency terminal;
the brushless motor body is used for providing power for the driving carrier; the reduction gearbox body is used for adjusting the output of the brushless motor body;
the detection terminal is used for detecting the brushless motor body and the reduction gearbox body in real time to generate first detection information and second detection information; the alarm terminal is used for generating alarm information according to the first detection information and the second detection information; the emergency terminal is used for generating and executing an emergency instruction according to the alarm information; the emergency command is used for driving the brushless motor body to be switched to an emergency mode.
Optionally, the detection terminal comprises a brushless motor body detection module and a reduction gearbox body detection module; the brushless motor body detection module is used for detecting the working current, noise and temperature of the brushless motor body in real time when the brushless motor body works and generating first detection information; the speed reduction box body detection module is used for detecting the noise and the temperature of the speed reduction box body during working, the input angular speed of the motor output shaft and the output angular speed of the speed reduction box body output shaft in real time.
Optionally, the alarm terminal includes an alarm index calculation module, an alarm information generation module, and an alarm execution module; the alarm index calculation module is used for calculating an alarm index of the motor according to the first detection information and calculating an alarm index of the reduction gearbox according to the second detection information; the alarm information generation module is used for generating alarm information according to the motor alarm index and the reduction gearbox alarm index; and the alarm execution module is used for carrying out alarm operation according to the alarm information.
Optionally, the emergency terminal includes an alarm information proofreading module and an emergency instruction selection module; the alarm information proofreading module is used for proofreading the alarm information according to the temperature information and the use information of the detection day; and the emergency instruction selection module is used for selecting a corresponding emergency instruction according to the corrected alarm information.
Optionally, the alarm index calculation module comprises a motor alarm index calculation submodule and a reduction gearbox alarm index calculation submodule; when the motor alarm index calculation submodule calculates, the following formula is satisfied:
wherein,representing a motor alarm index; />Indicates that the detection process has been timed to +>The average working current value of the brushless motor body in the detection process; />Representing a reference working current value of the brushless motor body; />Indicating that the detection process is longThe brushless motor body is based on the detection result>The duration of time that the next occurrence of noise is above the noise threshold; />Indicating that the detection process has a duration of->The number of times the noise is above the noise threshold during the detection process; />Indicating that the detection process has a duration of->The average working temperature value of the brushless motor body in the detection process; />Representing a reference operating temperature value of the brushless motor body; />To/is>Respectively representing different numerical conversion coefficients, and setting by engineers according to experience; />The time for representing the detection process is set by an engineer according to experience;
when the reduction gearbox alarm index calculation submodule calculates, the following formula is satisfied:
wherein,representing a reduction gearbox alarm index; />Indicating that the detection process has a duration of->In the detection process, the speed reduction box body is subjected to the fifth judgment>The duration of time that the next occurrence of noise is above the noise threshold; />Indicating that the detection process has a duration of->The number of times the noise is higher than the noise threshold value in the detection process; />Indicating that the detection process has a duration of->The average working temperature value of the reduction gearbox body in the detection process; />Representing a reference operating temperature value of the reduction gearbox body; />Indicates that the detection process has been timed to +>Average input angular velocity of the motor output shaft in the detection process of (3); />Indicating that the detection process has a duration of->Is reduced during the detection processThe average output angular speed of the output shaft of the speed box body; />Indicating the number ^ or the number of the parts on the reduction gearbox body>The angular velocity ratio corresponding to the gear; />To/is>Respectively, represent different numerical conversion coefficients, and are set by engineers according to experience.
Optionally, the alarm information generating module includes a comparison sub-module and an alarm information selecting sub-module; the comparison submodule is used for comparing the motor alarm index with the motor alarm threshold value and comparing the reduction gearbox alarm index with the reduction gearbox alarm threshold value; the alarm information selection submodule is used for selecting alarm information according to a comparison result;
when the alarm information selection submodule works, the following formula is satisfied:
wherein,indicating alarm information based on the motor alarm index; />The alarm grade based on the motor alarm index in the alarm information is represented as one grade, and the alarm grade is used for carrying out light alarm corresponding to the brushless motor body through the alarm execution module;the alarm grade based on the motor alarm index in the alarm information is represented as second grade, and the second grade is used for carrying out light alarm and sound alarm corresponding to the brushless motor body through the alarm execution module; />The alarm grade based on the motor alarm index in the alarm information is represented as three grades, and the alarm grade is used for carrying out light alarm, sound alarm and short message alarm corresponding to the brushless motor body through the alarm execution module; the short message alarm represents that the alarm execution module generates an alarm short message to a mobile terminal of a user; />The motor alarm threshold value is represented and is set by engineers according to experience;
when the alarm information selection submodule works, the following formula is satisfied:
wherein,indicating alarm information based on the alarm index of the reduction gearbox; />The alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as one grade, and the alarm grade is used for carrying out light alarm corresponding to the reduction gearbox body through the alarm execution module;the alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as two grades and is used for carrying out light alarm and sound alarm on the corresponding reduction gearbox body through the alarm execution module; />The alarm grade based on the alarm index of the reduction gearbox in the alarm information is three-grade, and the alarm grade is used for carrying out light alarm, sound alarm and short message alarm on the corresponding reduction gearbox body through the alarm execution module; />The alarm threshold value of the reduction gearbox is shown and is set by an engineer according to experience.
A control method of a noise reduction brushless direct current motor with a reduction gearbox is applied to the noise reduction brushless direct current motor with the reduction gearbox, and is combined with a graph 3, and the motor control method comprises the following steps:
s1, detecting a brushless motor body and a reduction gearbox body in real time to generate first detection information and second detection information;
s2, generating alarm information according to the first detection information and the second detection information;
and S3, generating and executing an emergency command according to the alarm information, and driving the brushless motor body to switch to an emergency mode.
Example two.
The embodiment includes the whole content of the first embodiment, and provides a noise reduction direct current brushless motor with a reduction gearbox, and as shown in fig. 4, the alarm information proofreading module comprises an alarm index updating submodule and an alarm information proofreading submodule; the alarm index updating submodule is used for updating the alarm index; the alarm information proofreading submodule is used for proofreading the alarm information according to the updated alarm index;
when the alarm index updating submodule works, the following formula is satisfied:
wherein,representing the updated motor alarm index; />The updating coefficient representing the motor alarm index is set by an engineer according to experience; />Representing an update function; />Representing an ambient temperature of a location where the brushless motor is located; />Representing the number of hours the brushless motor has been operated on the same day; />Representing the number of remaining operating hours of the brushless motor on the day.
Wherein,representing the updated alarm index of the reduction gearbox; />And the updating coefficient representing the alarm index of the reduction gearbox is set by an engineer according to experience.
When the alarm information proofreading submodule works, the following formula is satisfied:
wherein,indicating corrected alarm information based on the motor alarm index; />Alarm based on motor alarm index after proofreading in alarm information, and the likeThe level is one level, and the light alarm corresponding to the brushless motor body is carried out through the alarm execution module; />The motor alarm index-based alarm grade after the proofreading in the alarm information is represented as a second grade, and is used for performing light alarm and sound alarm corresponding to the brushless motor body through the alarm execution module; />The motor alarm index-based alarm grade after the proofreading in the alarm information is represented as three levels, and the motor alarm index-based alarm grade is used for performing light alarm, sound alarm and short message alarm corresponding to the brushless motor body through the alarm execution module; />The alarm grade based on the motor alarm index after the proofreading in the alarm information is shown as the highest grade, and is used for immediately stopping the motor and carrying out light alarm, sound alarm and short message alarm corresponding to the brushless motor body through the alarm execution module;
indicating corrected alarm information based on the alarm index of the reduction gearbox; />The alarm grade based on the alarm index of the reduction gearbox after correction in the alarm information is represented as one grade, and the alarm grade is used for carrying out light alarm corresponding to the reduction gearbox body through an alarm execution module; />The alarm grade based on the alarm index of the reduction gearbox after correction in the alarm information is represented as two grades and is used for carrying out light alarm and sound alarm on the corresponding reduction gearbox body through the alarm execution module; />The alarm grade based on the alarm index of the reduction gearbox after the proofreading in the alarm information is represented as three levels,the alarm execution module is used for carrying out light alarm, sound alarm and short message alarm on the corresponding reduction gearbox body; />And the alarm grade based on the alarm index of the reduction gearbox after the correction in the alarm information is shown as the highest grade, and the alarm grade is used for immediately stopping the motor and the reduction gearbox and carrying out light alarm, sound alarm and short message alarm corresponding to the reduction gearbox body through the alarm execution module.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the invention, so that all equivalent technical changes made by using the contents of the specification and the drawings are included in the scope of the invention, and further, the elements thereof can be updated as the technology advances.
Claims (7)
1. A noise reduction direct current brushless motor with a reduction box is characterized by comprising a reduction box body, a brushless motor body, a detection terminal, an alarm terminal and an emergency terminal;
the brushless motor body is used for providing power for the driving carrier; the reduction gearbox body is used for adjusting the output of the brushless motor body;
the detection terminal is used for detecting the brushless motor body and the reduction gearbox body in real time to generate first detection information and second detection information; the alarm terminal is used for generating alarm information according to the first detection information and the second detection information; the emergency terminal is used for generating and executing an emergency instruction according to the alarm information; the emergency command is used for driving the brushless motor body to be switched to an emergency mode.
2. The noise-reducing brushless direct current motor with a reduction gearbox according to claim 1, wherein the detection terminal comprises a brushless motor body detection module and a reduction gearbox body detection module; the brushless motor body detection module is used for detecting the working current, noise and temperature of the brushless motor body in real time when the brushless motor body works and generating first detection information; the speed reduction box body detection module is used for detecting the noise and the temperature of the speed reduction box body during working, the input angular speed of the motor output shaft and the output angular speed of the speed reduction box body output shaft in real time.
3. The noise-reduction brushless direct current motor with the reduction gearbox according to claim 2, wherein the alarm terminal comprises an alarm index calculation module, an alarm information generation module and an alarm execution module; the alarm index calculation module is used for calculating an alarm index of the motor according to the first detection information and calculating an alarm index of the reduction gearbox according to the second detection information; the alarm information generation module is used for generating alarm information according to the motor alarm index and the reduction gearbox alarm index; and the alarm execution module is used for carrying out alarm operation according to the alarm information.
4. The noise-reducing brushless direct current motor with the reduction box according to claim 3, wherein the emergency terminal comprises an alarm information proofreading module and an emergency instruction selection module; the alarm information proofreading module is used for proofreading the alarm information according to the temperature information and the use information of the detection day; and the emergency instruction selection module is used for selecting a corresponding emergency instruction according to the corrected alarm information.
5. The noise-reducing brushless direct current motor with the reduction gearbox according to claim 4, wherein the alarm index calculation module comprises a motor alarm index calculation submodule and a reduction gearbox alarm index calculation submodule; when the motor alarm index calculation submodule calculates, the following formula is satisfied:
wherein,representing a motor alarm index;indicating that the detection process is longThe average working current value of the brushless motor body in the detection process;representing a reference working current value of the brushless motor body;indicating that the detection process is longIn the detection process, the brushless motor bodyThe duration of time that the next occurrence of noise is above the noise threshold;indicating that the detection process is longThe number of times the noise is above the noise threshold during the detection process;indicates that the detection process is longThe average working temperature value of the brushless motor body in the detection process;representing a reference operating temperature value of the brushless motor body;toRespectively representing different numerical conversion coefficients, and setting by engineers according to experience;the duration of the detection process is represented and is set by an engineer according to experience;
when the reduction gearbox alarm index calculation submodule calculates, the following formula is satisfied:
wherein,representing a reduction gearbox alarm index;indicating that the detection process is longIn the detection process, the reduction box bodyThe duration of time that the next occurrence of noise is above the noise threshold;indicating that the detection process is longThe number of times the noise is above the noise threshold during the detection process;indicates that the detection process is longThe average working temperature value of the reduction gearbox body in the detection process;representing a reference operating temperature value of the reduction gearbox body;indicating that the detection process is longAverage input angular velocity of the motor output shaft in the detection process of (2);indicates that the detection process is longThe average output angular velocity of the output shaft of the reduction box body in the detection process;showing the reduction gearbox bodyThe angular velocity ratio corresponding to the gear;toRespectively, represent different numerical conversion coefficients, and are set by engineers according to experience.
6. The noise-reducing brushless direct current motor with the reduction gearbox according to claim 5, wherein the alarm information generation module comprises a comparison sub-module and an alarm information selection sub-module; the comparison submodule is used for comparing the motor alarm index with the motor alarm threshold value and comparing the reduction gearbox alarm index with the reduction gearbox alarm threshold value; the alarm information selection submodule is used for selecting alarm information according to a comparison result;
when the alarm information selection sub-module works, the following formula is satisfied:
wherein,indicating alarm information based on the motor alarm index;the alarm grade based on the motor alarm index in the alarm information is represented as one grade, and the alarm grade is used for carrying out light alarm corresponding to the brushless motor body through the alarm execution module;the alarm grade based on the motor alarm index in the alarm information is represented as second grade, and the second grade is used for carrying out light alarm and sound alarm corresponding to the brushless motor body through the alarm execution module;the alarm grade based on the motor alarm index in the alarm information is represented as three grades, and the alarm grade is used for carrying out light alarm, sound alarm and short message alarm corresponding to the brushless motor body through the alarm execution module; the short message alarm represents that the alarm execution module generates an alarm short message to a mobile terminal of a user;the motor alarm threshold value is represented and is set by engineers according to experience;
when the alarm information selection sub-module works, the following formula is satisfied:
wherein,alarm information based on reduction gearbox alarm index;The alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as one grade, and the alarm grade is used for carrying out light alarm corresponding to the reduction gearbox body through the alarm execution module;the alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as two grades and is used for carrying out light alarm and sound alarm on the corresponding reduction gearbox body through the alarm execution module;the alarm grade based on the alarm index of the reduction gearbox in the alarm information is represented as three grades, and the alarm grade is used for carrying out light alarm, sound alarm and short message alarm on the corresponding reduction gearbox body through the alarm execution module;the alarm threshold value of the reduction gearbox is shown and is set by an engineer according to experience.
7. A control method of a noise reduction DC brushless motor with a reduction box is applied to the noise reduction DC brushless motor with the reduction box according to claim 6, and is characterized by comprising the following steps:
s1, detecting a brushless motor body and a reduction gearbox body in real time to generate first detection information and second detection information;
s2, generating alarm information according to the first detection information and the second detection information;
and S3, generating and executing an emergency command according to the alarm information, and driving the brushless motor body to switch to an emergency mode.
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CN205336163U (en) * | 2015-12-31 | 2016-06-22 | 绵阳赛偃电子科技有限公司 | Steering wheel based on three -phase two poles of earth thoughts brushless DC motor |
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