CN114553107A - Integrated motor control system - Google Patents
Integrated motor control system Download PDFInfo
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- CN114553107A CN114553107A CN202210245543.4A CN202210245543A CN114553107A CN 114553107 A CN114553107 A CN 114553107A CN 202210245543 A CN202210245543 A CN 202210245543A CN 114553107 A CN114553107 A CN 114553107A
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- motor
- temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention relates to the field related to motor control and protection, and discloses an integrated motor control system, which comprises a sensing detection module, an auxiliary adjusting module, a motor control module and an auxiliary heat dissipation module, wherein the sensing detection module is used for detecting the position of a motor; through the setting of sensing detection module, supplementary adjusting module and motor control module, realized through carrying out real-time supervision to the motor, and carry out intelligent regulation's purpose to motor supply power according to the monitoring result, thereby reached and accumulated heat and the effect of temperature variation with the inside heating of real time control motor according to the motor, effectual from the source controlled the production of motor heat, great promotion temperature control's efficiency, the effectual energy consumption that reduces the motor, the life of motor has been promoted.
Description
Technical Field
The invention relates to the related field of motor control and protection, in particular to an integrated motor control system.
Background
The motor is a mechanical power drive arrangement who utilizes electromagnetism to keep away from commonly used, and it can realize quick turns into kinetic energy with the electric energy, and compares in traditional internal combustion type or steam type mechanical energy generating device of the same type, has more light small and exquisite volume, and the production of pollutant is less than other mechanical energy generating device far away when using.
The motor can cause a large amount of heats and heat accumulation because of reasons such as electromagnetic action and wire resistance at the in-process that uses, and thermal production can lead to wire resistance's change once more, make it produces the heat more easily, there is a malignant negative cycle process, reduce the motor life-span and the extravagant energy, consequently cooling to the motor is very important, prior art then mostly passes through external cold circulating device (mostly the forced air cooling) and dispels the heat to the motor, alleviate this problem.
However, the effect of a single passive heat dissipation mode is often limited, and the negative circulation caused by heat accumulation inside the motor cannot be quickly relieved, so that the problems that the heat dissipation efficiency is poor and the energy consumption of the motor cannot be effectively controlled and reduced are caused.
Disclosure of Invention
The present invention is directed to an integrated motor control system to solve the problems set forth above in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an integrated motor control system comprising:
the motor control device comprises a sensing detection module, a power supply module and a power supply module, wherein the sensing detection module is used for detecting and acquiring state information of a motor, the state information is used for representing the running state condition of the motor, and the state information comprises motor temperature and supply power information;
the auxiliary adjusting module is used for analyzing the state information according to a preset motor using mode to generate an auxiliary adjusting scheme, the motor using mode is used for representing the using states of the motor under different requirements, the motor using mode comprises corresponding relations with the motor temperature and the supply power information, and the auxiliary adjusting scheme comprises a motor adjusting scheme and an auxiliary heat dissipation scheme;
the motor control module is used for acquiring the auxiliary regulation scheme, reading and responding to the motor regulation scheme in the auxiliary regulation scheme, wherein the motor regulation scheme is used for representing a control mode of reducing the self heating of the motor, and the control mode is realized by reducing the supply power;
and the auxiliary heat dissipation module is used for acquiring the auxiliary adjusting scheme, reading and responding the auxiliary heat dissipation scheme in the auxiliary adjusting scheme, wherein the auxiliary heat dissipation scheme is used for representing a control mode of assisting the heat conduction and dissipation of the motor through auxiliary equipment.
As a further scheme of the invention: the motor usage modes include a performance mode, a balancing mode and a protection mode, the motor temperature limit ranges of the performance mode, the balancing mode and the protection mode are gradually reduced, the performance mode is used in a scene of high required motor output power, the balancing mode is used in a scene of general required motor output power, and the high requirement and the general requirement are used for representing target requirements for the motor power output.
As a further scheme of the invention: the motor usage pattern still is equipped with limit early warning temperature, limit early warning temperature is used for the representation the highest temperature value that the motor can work safely, supplementary adjusting module includes:
and the safety protection unit is used for acquiring the motor temperature in the state information, judging the motor temperature according to the preset limit early warning temperature, modifying the motor use mode into a protection mode if the motor temperature is equal to or greater than the limit early warning temperature, and generating and outputting a motor safety warning, wherein the motor safety warning is used for reminding relevant workers that the motor has a safety problem.
As a further scheme of the invention: the performance mode, the balance mode and the protection mode are further provided with output power ranges corresponding to the temperature limit ranges, the output power ranges comprise minimum output power, and the minimum output power is used for representing the minimum power requirement of the motor in the motor use mode.
As a further scheme of the invention: the state information also includes output power information.
As a further scheme of the invention: the auxiliary adjusting module further comprises a temperature analyzing unit, a conversion analyzing unit and an adjusting generating unit:
the temperature analysis unit is used for reading the motor temperature in the state information, judging the motor temperature according to the temperature limit range, and if the motor temperature is larger than the temperature limit range, exciting the regulation generation unit;
the conversion analysis unit is configured to read the supply power information and the output power information in the state information, and calculate a power conversion ratio at a current temperature according to the supply power information and the output power information, where the power conversion ratio is a ratio of output power to supply power;
and the regulation generating unit is used for generating a target supply power according to the lowest output power and the power conversion ratio and generating an auxiliary regulation scheme according to the target supply power, wherein the target supply power is used for representing a value obtained by regulating the supply power of the motor.
As a further scheme of the invention: the device also comprises a manual cut-off module;
the manual cutoff module is used for receiving manual regulation and control signals, the manual regulation signals comprise the motor regulation scheme and the auxiliary heat dissipation scheme, and when the manual cutoff module acquires the manual regulation and control signals, the motor control module and the auxiliary heat dissipation module do not respond to the auxiliary regulation scheme.
Compared with the prior art, the invention has the beneficial effects that: through the setting of sensing detection module, supplementary adjusting module and motor control module, realized through carrying out real-time supervision to the motor, and carry out intelligent regulation's purpose to motor supply power according to the monitoring result, thereby reached and accumulated heat and the effect of temperature variation with the inside heating of real time control motor according to the motor, effectual from the source controlled the production of motor heat, great promotion temperature control's efficiency, the effectual energy consumption that reduces the motor, the life of motor has been promoted.
Drawings
Fig. 1 is a block diagram showing a structure of an integrated motor control system.
Fig. 2 is a block diagram of an auxiliary regulation module in an integrated motor control system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of specific embodiments of the present invention is provided in connection with specific embodiments.
As shown in fig. 1, an integrated motor control system according to an embodiment of the present invention includes:
in the embodiment, an integrated motor control system is provided, and when a motor is used, the principle of the motor is that current passes through a coil to generate a magnetic field, so that the magnetic field is utilized to drive the motor to rotate, the coil cuts magnetic induction lines in the magnetic field to move, and simultaneously, current is generated in the coil, and the two currents which are respectively used for driving and moving are opposite, so that a large amount of heat is generated in the operation process of the motor, the increase of the heat can cause the reduction of the conductivity of the coil in the motor, the power consumption of the motor is increased, more heat is further generated, and meanwhile, the service life of the motor is greatly influenced, so that the control of the motor is necessary.
The sensing module 100 is configured to detect and obtain state information of the motor, where the state information is used to represent an operation state condition of the motor, and the state information includes a motor temperature and supply power information.
In this embodiment, the sensing and monitoring module 100 is used for sensing and recording a state of the motor in real time, and mainly includes real-time monitoring and recording information such as a temperature of the motor, a power consumed by the motor (i.e., supply power information), that is, power supplied to the motor by an external energy device, and not power output by the motor, where the power output by the motor is smaller than the supply power information, and when a ratio of the two is smaller, it indicates that a conversion efficiency of the motor is gradually reduced.
The auxiliary adjusting module 300 is configured to analyze the state information according to a preset motor usage mode, and generate an auxiliary adjusting scheme, where the motor usage mode is used to represent usage states of the motor under different requirements, the motor usage modes all include corresponding relationships with the motor temperature and supply power information, and the auxiliary adjusting scheme includes a motor adjusting scheme and an auxiliary heat dissipation scheme.
In this embodiment, the auxiliary adjusting module 300 is configured to analyze the real-time state of the motor and generate an auxiliary adjusting scheme for the motor to adjust and control the motor, so as to control the temperature of the motor within a certain use range, where a motor use mode is introduced, the motor use mode is a standard range set by a user in different use scenarios, and does not interfere with or limit the motion of the motor itself, and exists only as a criterion for judgment, where the motor use mode is only a safety range limit for the motor in different demand scenarios, and when the motor is used in this safety range, the motor will have a better service life, for example, when the motor is in an a mode, the power of the motor should not be higher than m, and when the power is m, the temperature of the motor should be within an interval range of x-z (may be smaller than x), if the temperature exceeds the z-end of the interval range, the temperature of the motor is increased, the conversion efficiency is reduced, and the output part after power conversion is reduced, and if the user still needs the same output power at the moment, the consumed supply power and the generated motor temperature are rapidly increased.
And a motor control module 500 configured to obtain the auxiliary regulation scheme, read and respond to the motor regulation scheme in the auxiliary regulation scheme, where the motor regulation scheme is used to characterize a control mode by reducing the self-heating of the motor, and the control mode is realized by reducing the supply power.
In this embodiment, motor control module 500's effect is response motor regulation scheme, then adjusts control according to motor regulation scheme to the motor, and the periodic reduction in certain extent such as power supplied through the control motor to reduce the thermal production of motor, thereby guarantee the temperature of motor and can guarantee the life of motor in a reasonable within range, effectively reduce the consumption.
And the auxiliary heat dissipation module 700 is configured to obtain the auxiliary adjustment scheme, read and respond to the auxiliary heat dissipation scheme in the auxiliary adjustment scheme, where the auxiliary heat dissipation scheme is used to represent a control manner for assisting heat conduction and dissipation of the motor through an auxiliary device.
In this embodiment, the auxiliary heat dissipation module 700 is used to respond and execute an auxiliary heat dissipation scheme, and when in use, the auxiliary heat dissipation scheme is completed by auxiliary equipment for heat dissipation of the whole motor system, and the heat dissipation of the motor is further accelerated by using the auxiliary equipment, so as to achieve the purpose of controlling temperature to reduce power consumption and prolong the service life.
As another preferred embodiment of the present invention, the motor usage modes include a performance mode, a balance mode and a protection mode, the temperature limit ranges of the motors of the performance mode, the balance mode and the protection mode are gradually reduced, the performance mode is used in a scene of higher required motor output power, the balance mode is used in a scene of general required motor output power, and the higher requirement and the general requirement are used for representing a target requirement for the motor power output size.
In this embodiment, the motor usage modes are described in a classified manner, and mainly include a performance mode, a balance mode, and a protection mode, which correspond to a usage scenario with high output power, a general usage scenario, and a usage scenario with low demand, respectively, and different motor usage modes are selected to have different influences on the generation of an auxiliary adjustment scheme, that is, the motor is adjusted under the limitation of a certain usage scenario (for example, when a certain scenario requires a long-time high power output, the power of the motor cannot be reduced to an excessively low level to cool down, which may affect the normal operation of the motor, and therefore, the control for reducing the heat generation of the motor itself needs to be performed within a certain range).
As shown in fig. 2, as another preferred embodiment of the present invention, the motor usage mode is further provided with a limit warning temperature, and the limit warning temperature is used for representing a maximum temperature value at which the motor can safely operate, and the auxiliary regulation module 300 includes:
and the safety protection unit 301 is configured to acquire the motor temperature in the state information, judge the motor temperature according to the preset limit early warning temperature, modify the motor usage mode into a protection mode if the motor temperature is equal to or greater than the limit early warning temperature, and generate and output a motor safety warning, where the motor safety warning is used to remind relevant workers that the motor has a safety problem.
In this embodiment, the use mode of the motor and the auxiliary adjusting module are further limited, and the use mode of the motor is provided with a limit early warning temperature for representing the highest temperature that the motor can bear (certainly, the motor is not necessarily damaged after exceeding the temperature, but the probability of motor damage is sharply increased (determined and set by a manufacturer) and the service life is sharply decreased after exceeding the temperature, so that the use of the motor when exceeding the temperature value is not recommended); the safety protection unit 301 is used for judging the temperature of the motor, and after the temperature of the motor reaches the limit early warning temperature, the motor is forcibly modified into a protection mode according to a motor use mode preset by a user scene through manual work when the motor is used, so that the motor can be rapidly cooled in a short time.
As another preferred embodiment of the present invention, the performance mode, the balance mode and the protection mode are further provided with an output power range corresponding to the temperature limit range, the output power range includes a minimum output power, and the minimum output power is used for representing a minimum power requirement of the motor in the motor use mode.
As another preferred embodiment of the present invention, the state information further includes output power information.
In this embodiment, the motor usage pattern and the state information are further described, and the standards and limits for power are included, the standards and limits for temperature are used for determination, and the standards and limits for power are used for control and adjustment of the motor.
As shown in fig. 2, as another preferred embodiment of the present invention, the auxiliary adjusting module 300 further includes a temperature analyzing unit 302, a transformation analyzing unit 303, and an adjusting generating unit 304:
the temperature analyzing unit 302 is configured to read the motor temperature in the status information, determine the motor temperature according to the temperature limit range, and activate the adjustment generating unit 304 if the motor temperature is greater than the temperature limit range.
The conversion analysis unit 303 is configured to read the supply power information and the output power information in the state information, and calculate a power conversion ratio at the current temperature according to the supply power information and the output power information, where the power conversion ratio is a ratio of the output power to the supply power.
The regulation generation unit 304 generates a target supply power according to the lowest output power and the power conversion ratio, and generates an auxiliary regulation scheme according to the target supply power, wherein the target supply power is used for representing a value obtained by regulating the supply power of the motor.
In this embodiment, the auxiliary regulation module 300 is further expanded here, and a specific operation manner of the auxiliary regulation module 300 is further described, where the operation manner includes three steps of determining, calculating, and generating a regulation scheme, the temperature analysis unit is used to determine a current temperature of the motor, if the temperature exceeds a preset temperature limit range, it indicates that the motor needs to be regulated and controlled, and in order to regulate the motor, a conversion efficiency (i.e., a power conversion ratio) of the motor at this time needs to be calculated by the conversion analysis unit, so that the regulation generation unit 304 may calculate a supply power for regulation through the lowest output power, and may generate the auxiliary regulation scheme for regulating the motor to control the motor to generate heat.
As another preferred embodiment of the present invention, the present invention further comprises a manual cut-off module;
the manual cutoff module is configured to receive a manual regulation and control signal, where the manual regulation signal includes the motor regulation scheme and the auxiliary heat dissipation scheme, and when the manual cutoff module acquires the manual regulation and control signal, the motor control module 500 and the auxiliary heat dissipation module 700 do not respond to the auxiliary regulation scheme.
In the embodiment, a control interface for directly intervening the motor by a human is provided, so that the motor is directly adjusted and controlled by a human replacement system at any moment when needed, and further the motor can be controlled in a targeted manner under the condition of considering the current requirement.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (7)
1. An integrated motor control system, comprising:
the motor control system comprises a sensing detection module, a power supply module and a control module, wherein the sensing detection module is used for detecting and acquiring state information of a motor, the state information is used for representing the running state condition of the motor, and the state information comprises motor temperature and supply power information;
the auxiliary adjusting module is used for analyzing the state information according to a preset motor using mode to generate an auxiliary adjusting scheme, the motor using mode is used for representing the using states of the motor under different requirements, the motor using mode comprises corresponding relations with the motor temperature and the supply power information, and the auxiliary adjusting scheme comprises a motor adjusting scheme and an auxiliary heat dissipation scheme;
the motor control module is used for acquiring the auxiliary regulation scheme, reading and responding to the motor regulation scheme in the auxiliary regulation scheme, wherein the motor regulation scheme is used for representing a control mode by reducing the self heating of the motor, and the control mode is realized by reducing the supply power;
and the auxiliary heat dissipation module is used for acquiring the auxiliary adjusting scheme, reading and responding the auxiliary heat dissipation scheme in the auxiliary adjusting scheme, and the auxiliary heat dissipation scheme is used for representing a control mode of assisting the heat conduction and dissipation of the motor through auxiliary equipment.
2. The integrated motor control system of claim 1, wherein the motor usage patterns include a performance pattern, a balancing pattern, and a protection pattern, the motor temperature limits of the performance pattern, the balancing pattern, and the protection pattern decreasing, the performance pattern for use in a scenario of higher required motor output power, the balancing pattern for use in a scenario of generally required motor output power, the higher demand and the generally demand for characterizing a target demand for the magnitude of the motor power output.
3. The integrated motor control system according to claim 2, wherein the motor usage pattern further comprises a limit warning temperature, the limit warning temperature is used for representing a maximum temperature value at which the motor can safely operate, and the auxiliary regulation module comprises:
and the safety protection unit is used for acquiring the motor temperature in the state information, judging the motor temperature according to the preset limit early warning temperature, if the motor temperature is equal to or greater than the limit early warning temperature, modifying the motor use mode into a protection mode, and generating and outputting a motor safety warning which is used for reminding related workers that the motor has a safety problem.
4. The integrated motor control system of claim 2 wherein said performance mode, said balancing mode, and said protection mode further provide output power ranges corresponding to said temperature limit ranges, said output power ranges including a minimum output power that is indicative of a minimum power requirement for said motor in said motor use mode.
5. The integrated motor control system of claim 4 wherein the status information further comprises output power information.
6. The integrated motor control system of claim 5, wherein the auxiliary regulation module further comprises a temperature analysis unit, a transformation analysis unit, and a regulation generation unit:
the temperature analysis unit is used for reading the motor temperature in the state information, judging the motor temperature according to the temperature limit range, and if the motor temperature is larger than the temperature limit range, exciting the regulation generation unit;
the conversion analysis unit is configured to read the supply power information and the output power information in the state information, and calculate a power conversion ratio at a current temperature according to the supply power information and the output power information, where the power conversion ratio is a ratio of output power to supply power;
and the regulation generating unit is used for generating a target supply power according to the lowest output power and the power conversion ratio and generating an auxiliary regulation scheme according to the target supply power, wherein the target supply power is used for representing a value obtained by regulating the supply power of the motor.
7. The integrated motor control system of claim 1, further comprising a manual shut-off module;
the manual cutoff module is used for receiving manual regulation and control signals, the manual regulation signals comprise the motor regulation scheme and the auxiliary heat dissipation scheme, and when the manual cutoff module acquires the manual regulation and control signals, the motor control module and the auxiliary heat dissipation module do not respond to the auxiliary regulation scheme.
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| CN202210245543.4A CN114553107B (en) | 2022-03-14 | 2022-03-14 | Integrated motor control system |
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| CN202210245543.4A CN114553107B (en) | 2022-03-14 | 2022-03-14 | Integrated motor control system |
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| US20200106382A1 (en) * | 2018-10-02 | 2020-04-02 | Nuvoton Technology Corporation | Power driving chip and method thereof |
| CN111404448A (en) * | 2020-03-02 | 2020-07-10 | 银隆新能源股份有限公司 | Control method and device of heat dissipation module of motor, storage medium and processor |
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2022
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100164421A1 (en) * | 2008-12-30 | 2010-07-01 | International Business Machines Corporation | Apparatus, system, and method for improved fan control in a power supply |
| CN207853796U (en) * | 2017-09-19 | 2018-09-11 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of temperature protective device and power module |
| US20200106382A1 (en) * | 2018-10-02 | 2020-04-02 | Nuvoton Technology Corporation | Power driving chip and method thereof |
| CN111404448A (en) * | 2020-03-02 | 2020-07-10 | 银隆新能源股份有限公司 | Control method and device of heat dissipation module of motor, storage medium and processor |
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