CN102541113B - Method and system for controlling temperature of motor - Google Patents
Method and system for controlling temperature of motor Download PDFInfo
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- CN102541113B CN102541113B CN201210025395.1A CN201210025395A CN102541113B CN 102541113 B CN102541113 B CN 102541113B CN 201210025395 A CN201210025395 A CN 201210025395A CN 102541113 B CN102541113 B CN 102541113B
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Abstract
The invention discloses a method and a system for controlling the temperature of a motor. Different treatment can be carried out according to the comparison of the current running temperature of a motor and a plurality of different temperature threshold values, so that the motor works under the precondition of safety. Because the thinning treatment of temperature control is carried out, the temperature of the motor can be better lowered.
Description
Technical field
The present invention relates to Protection Technology for Motors field, particularly relate to a kind of method and system of controlling motor temperature.
Background technology
Enter 21 century global climate and warm gradually, the exhaustion of the soaring and petroleum resources of oil price, energy-saving low-carbon trip becomes people's common recognition gradually.Follow new technology constantly to emerge in large numbers, new-energy automobile is progressively come into people's sight line.
Motor is as the crucial power system parts in new-energy automobile, and how its safe and reliable operational relation, to each car user's safety, ensures that motor moves and will become the key that new-energy automobile is promoted reliably continuously.Motor inevitably can produce a large amount of temperature in the course of the work, and excess Temperature can produce the usability of motor even cause motor damage.
Therefore temperature, how effectively to control motor is still the technical barrier of pendulum in face of the research staff of this area.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of method and system of controlling motor temperature, and to realize the object of temperature of effective control motor, technical scheme is as follows:
Control a method for motor temperature, described motor is provided with cooling device, and described method comprises:
Obtain the current running temperature of motor;
Described current running temperature and default the first temperature threshold, default the second temperature threshold and the 3rd default temperature threshold are compared, obtain comparative result, wherein, described the first temperature threshold is less than described the second temperature threshold, and described the second temperature threshold is less than described the 3rd temperature threshold;
When described comparative result is described current running temperature when being greater than described the first temperature threshold and being less than described the second temperature threshold, control described cooling device and increase operate power to improve the cooling effect to described motor;
When described comparative result is described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, control described cooling device and with maximum operate power, described motor is carried out coolingly, reduce the output power of described motor;
When described comparative result is described current running temperature while being greater than described the 3rd temperature threshold, to control described cooling device and with maximum operate power, described motor is carried out coolingly, the output power of controlling described motor is 0.
Preferably, also comprise: when described comparative result is described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, carry out the first warning processing.
Preferably, also comprise: when described comparative result is described current running temperature while being greater than described the 3rd temperature threshold, carry out the second warning processing.
Preferably, the alarm level that the described second alarm level of reporting to the police processing is processed higher than described the first warning.
Preferably, described cooling device comprises: air cooler and/or water cooling equipment.
The present invention also provides a kind of system of controlling motor temperature, and described motor is provided with cooling device, it is characterized in that, described system comprises:
Temperature acquisition module, for obtaining the current running temperature of motor;
Temperature comparison module, for described current running temperature and default the first temperature threshold, default the second temperature threshold and the 3rd default temperature threshold are compared, obtain comparative result, wherein, described the first temperature threshold is less than described the second temperature threshold, and described the second temperature threshold is less than described the 3rd temperature threshold;
Temperature control modules, for when described comparative result being described current running temperature when being greater than described the first temperature threshold and being less than described the second temperature threshold, controls described cooling device and increases operate power to improve the cooling effect to described motor; When described comparative result is described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, control described cooling device and with maximum operate power, described motor is carried out coolingly, reduce the output power of described motor; When described comparative result is described current running temperature while being greater than described the 3rd temperature threshold, to control described cooling device and with maximum operate power, described motor is carried out coolingly, the output power of controlling described motor is 0.
Preferably, also comprise: the first alarm module, for when described comparative result being described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, carries out the first warning processing.
Preferably, also comprise: the second alarm module, for when described comparative result being described current running temperature while being greater than described the 3rd temperature threshold, carries out the second warning processing.
Preferably, the alarm level that the described second alarm level of reporting to the police processing is processed higher than described the first warning.
Preferably, described cooling device comprises: air cooler and/or water cooling equipment.
By applying above technical scheme, a kind of method and system of controlling motor temperature that the embodiment of the present invention provides, can, according to the comparison of the current running temperature of motor and multiple different temperatures threshold values, carry out different processing, so that motor carries out work under the prerequisite of safety.Due to temperature control has been carried out to thinning processing, therefore can better reduce the temperature of motor.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of a kind of method of controlling motor temperature that Fig. 1 provides for the embodiment of the present invention;
The maximum corresponding relation figure that allows output power of current running temperature and motor in a kind of method of controlling motor temperature that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of the method for the another kind control motor temperature that Fig. 3 provides for the embodiment of the present invention;
The schematic flow sheet of the method for the another kind control motor temperature that Fig. 4 provides for the embodiment of the present invention;
The structural representation of a kind of system of controlling motor temperature that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the system of the another kind control motor temperature that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the system of the another kind control motor temperature that Fig. 7 provides for the embodiment of the present invention.
Embodiment
In order to make those skilled in the art person understand better the technical scheme in the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, should belong to the scope of protection of the invention.
As shown in Figure 1, a kind of method of controlling motor temperature that the embodiment of the present invention provides, described motor is provided with cooling device, and described method comprises:
The current running temperature T of S101, acquisition motor;
Wherein, can serviceability temperature sensor equipment obtain the current running temperature T of motor, also can from motor control system, directly obtain.
S102, described current running temperature T and default the first temperature threshold T1, default the second temperature threshold T2 and the 3rd default temperature threshold T3 are compared, obtain comparative result, wherein, described the first temperature threshold T1 is less than described the second temperature threshold T2, and described the second temperature threshold T2 is less than described the 3rd temperature threshold T3;
Wherein, the heat producing when the first temperature threshold T1, the second temperature threshold T2 and the 3rd temperature threshold T3 can move according to motor under different capacity and the cooling effect of the cooling equipment of motor are set.Certainly, also can set according to the heat-resisting parameter of device material in motor, the present invention does not limit at this.
S103, when described comparative result is described current running temperature T when being greater than described the first temperature threshold T1 and being less than described the second temperature threshold T2, control described cooling device and increase operate power to improve the cooling effect to described motor;
Wherein, cooling device can comprise: air cooler and/or water cooling equipment.
In this case, think that the current running temperature of motor is little on the impact of motor, can reduce by the cooling effect of suitable increase cooling device the current running temperature of motor.
S104, when described comparative result is described current running temperature T when being greater than the second temperature threshold T2 and being less than the 3rd temperature threshold T3, control described cooling device and with maximum operate power, described motor carried out coolingly, reduce the output power of described motor;
In this case, think that the current running temperature of motor has larger adverse effect to motor, but motor still can carry out power stage.In order to reduce the current running temperature of motor, can make cooling device be operated in maximum operate power on the one hand, improve radiating effect, on the other hand, can suitably reduce the output power of motor to reduce the heat of motor generation.
Concrete, output power P that can restrictions motor be maximum permission output power P
max:
P
max＝P
f×(T3-T)/(T3-T2)；
Wherein, P
ffor the peak power output of motor.
Certainly P,
maxcan also there is other preparation method, as: P
max=P
e× (T3-T)/(T3-T2);
Wherein, P
efor the output rating of motor.
S105, when described comparative result is described current running temperature T while being greater than described the 3rd temperature threshold T3, control described cooling device and with maximum operate power, described motor carried out coolingly, the output power P that controls described motor is 0.
In this case, can think that current running temperature T produces serious adverse effect to motor, may damage motor, therefore, cooling device is carried out under cooling prerequisite described motor with maximum operate power, and the output power that can also make motor is 0, thereby makes motor significantly reduce produced heat, in the consideration of safety, and be not suitable for directly stopping the operation of motor.
For the control situation of vivider expression the present invention to output power of motor P, the present invention also provides Fig. 2, as can be seen from Figure 2 the present invention's control situation to output power of motor P in the situation that current running temperature T is greater than the second temperature threshold T2.
Be understandable that, in the time that current running temperature is less than the first temperature threshold, not thinks and can produce any impact to motor, can make motor move with any output power, in this case, can not process motor.
A kind of method of controlling motor temperature that the embodiment of the present invention provides, can, according to the comparison of the current running temperature of motor and multiple different temperatures threshold values, carry out different processing, so that motor carries out work under the prerequisite of safety.Due to temperature control has been carried out to thinning processing, therefore can better reduce the temperature of motor.
As shown in Figure 3, in the method for the another kind control motor temperature that the embodiment of the present invention provides, can also comprise:
S106, when described comparative result is described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, carry out the first warning processing.
Wherein, the first warning processing can be for to report to the police by various devices such as hummer, loudspeaker, display screen and/or lamps.
Hold intelligible, report to the police process can remind user to process accordingly.
As shown in Figure 4, in the method for the another kind control motor temperature that the embodiment of the present invention provides, can also comprise:
S107, when described comparative result is described current running temperature while being greater than described the 3rd temperature threshold, carry out the second warning processing.
Wherein, the second warning processing can be for to report to the police by various devices such as hummer, loudspeaker, display screen and/or lamps.
It should be noted is that, second reports to the police the alarm level of processing can be higher than the alarm level of the first warning processing.For instance, process and second report to the police and process while all reporting to the police by lamp when the first warning, first reports to the police process under, lamp can glimmer, second reports to the police under processing, lamp can Chang Liang.Certainly, concrete mode has multiple, and the present invention does not limit at this.
Be understandable that, carry out different warning processing according to the difference of current running temperature and can effectively improve warning effect, thereby make the temperature control effect of motor further improve.
Corresponding to embodiment of the method above, the present invention also provides a kind of system of controlling motor temperature
As shown in Figure 5, the present invention also provides a kind of system of controlling motor temperature, and described motor is provided with cooling device, and described system comprises:
Wherein, can serviceability temperature sensor equipment obtain the current running temperature of motor, also can from motor control system, directly obtain.
Wherein, the heat producing when the first temperature threshold, the second temperature threshold and the 3rd temperature threshold can move according to motor under different capacity and the cooling effect of the cooling equipment of motor are set.Certainly, also can set according to the heat-resisting parameter of device material in motor, the present invention does not limit at this.
Wherein, cooling device can comprise: air cooler and/or water cooling equipment.
The in the situation that of in the time that current running temperature is greater than described the first temperature threshold and is less than described the second temperature threshold, can think that the current running temperature of motor is little on the impact of motor, can reduce by the cooling effect of suitable increase cooling device the current running temperature of motor.
Be described current running temperature be greater than the second temperature threshold and be less than the 3rd temperature threshold in the situation that at described comparative result, can think that the current running temperature of motor has larger adverse effect to motor, but motor still can carry out power stage.In order to reduce the current running temperature of motor, can make cooling device be operated in maximum operate power on the one hand, improve radiating effect, on the other hand, can suitably reduce the output power of motor to reduce the heat of motor generation.
Be that described current running temperature is be greater than described the 3rd temperature threshold in the situation that when described comparative result, can think that current running temperature T produces serious adverse effect to motor, may damage motor, therefore, cooling device is carried out under cooling prerequisite described motor with maximum operate power, and the output power that can also make motor is 0, thereby makes motor significantly reduce produced heat, in the consideration of safety, and be not suitable for directly stopping the operation of motor.
A kind of system of controlling motor temperature that the embodiment of the present invention provides, can, according to the comparison of the current running temperature of motor and multiple different temperatures threshold values, carry out different processing, so that motor carries out work under the prerequisite of safety.Due to temperature control has been carried out to thinning processing, therefore can better reduce the temperature of motor.
As shown in Figure 6, in the system of the another kind control motor temperature that the embodiment of the present invention provides, can also comprise: the first alarm module 400, for when described comparative result being described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, carries out the first warning processing.
Wherein, the first alarm module 400 can be hummer, loudspeaker, display screen and/or lamp etc.
Hold intelligible, report to the police process can remind user to process accordingly.
As shown in Figure 7, in the system of the another kind control motor temperature that the embodiment of the present invention provides, can also comprise: the second alarm module 500, for when described comparative result being described current running temperature while being greater than described the 3rd temperature threshold, carries out the second warning processing.
Wherein, the second alarm module 500 can be hummer, loudspeaker, display screen and/or lamp etc.
Wherein, the alarm level that the second alarm level of reporting to the police processing can be processed higher than described the first warning.
For convenience of description, while describing above device, being divided into various unit with function describes respectively.Certainly, in the time that enforcement is of the present invention, the function of each unit can be realized in same or multiple software and/or hardware.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and the difference of other embodiment.Especially,, for system embodiment, because it is substantially similar in appearance to embodiment of the method, so describe fairly simplely, relevant part is referring to the part explanation of embodiment of the method.System embodiment described above is only schematic, the wherein said unit as separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of module wherein to realize the object of the present embodiment scheme.Those of ordinary skill in the art, in the situation that not paying creative work, are appreciated that and implement.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. control a method for motor temperature, described motor is provided with cooling device, it is characterized in that, described method comprises:
Obtain the current running temperature of motor;
Described current running temperature and default the first temperature threshold, default the second temperature threshold and the 3rd default temperature threshold are compared, obtain comparative result, wherein, described the first temperature threshold is less than described the second temperature threshold, and described the second temperature threshold is less than described the 3rd temperature threshold;
When described comparative result is described current running temperature when being greater than described the first temperature threshold and being less than described the second temperature threshold, control described cooling device and increase operate power to improve the cooling effect to described motor;
When described comparative result is that described current running temperature is when being greater than the second temperature threshold and being less than the 3rd temperature threshold, control described cooling device with maximum operate power, described motor is carried out cooling, the heat that the output power that reduces described motor produces to reduce motor;
When described comparative result is described current running temperature while being greater than described the 3rd temperature threshold, to control described cooling device and with maximum operate power, described motor is carried out coolingly, the output power of controlling described motor is 0.
2. method according to claim 1, is characterized in that, also comprises: when described comparative result is described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, carry out the first warning processing.
3. method according to claim 2, is characterized in that, also comprises: when described comparative result is described current running temperature while being greater than described the 3rd temperature threshold, carry out the second warning processing.
4. method according to claim 3, is characterized in that, the alarm level that the alarm level that described second reports to the police processes is processed higher than described the first warning.
5. method according to claim 1, is characterized in that, described cooling device comprises: air cooler and/or water cooling equipment.
6. control a system for motor temperature, described motor is provided with cooling device, it is characterized in that, described system comprises:
Temperature acquisition module, for obtaining the current running temperature of motor;
Temperature comparison module, for described current running temperature and default the first temperature threshold, default the second temperature threshold and the 3rd default temperature threshold are compared, obtain comparative result, wherein, described the first temperature threshold is less than described the second temperature threshold, and described the second temperature threshold is less than described the 3rd temperature threshold;
Temperature control modules, for when described comparative result being described current running temperature when being greater than described the first temperature threshold and being less than described the second temperature threshold, controls described cooling device and increases operate power to improve the cooling effect to described motor; When described comparative result is that described current running temperature is when being greater than the second temperature threshold and being less than the 3rd temperature threshold, control described cooling device with maximum operate power, described motor is carried out cooling, the heat that the output power that reduces described motor produces to reduce motor; When described comparative result is described current running temperature while being greater than described the 3rd temperature threshold, to control described cooling device and with maximum operate power, described motor is carried out coolingly, the output power of controlling described motor is 0.
7. system according to claim 6, is characterized in that, also comprises: the first alarm module, for when described comparative result being described current running temperature when being greater than the second temperature threshold and being less than the 3rd temperature threshold, carries out the first warning processing.
8. system according to claim 7, is characterized in that, also comprises: the second alarm module, for when described comparative result being described current running temperature while being greater than described the 3rd temperature threshold, carries out the second warning processing.
9. system according to claim 8, is characterized in that, the alarm level that the alarm level that described second reports to the police processes is processed higher than described the first warning.
10. system according to claim 6, is characterized in that, described cooling device comprises: air cooler and/or water cooling equipment.
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| CN201210025395.1A CN102541113B (en) | 2012-02-03 | 2012-02-03 | Method and system for controlling temperature of motor |
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| CN201210025395.1A CN102541113B (en) | 2012-02-03 | 2012-02-03 | Method and system for controlling temperature of motor |
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| CN102541113B true CN102541113B (en) | 2014-07-09 |
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| CN102983552B (en) * | 2012-11-23 | 2016-01-20 | 深圳市航盛电子股份有限公司 | A kind of rotary motor rotor temperature survey and guard method, device |
| CN103095213B (en) * | 2013-01-18 | 2015-10-28 | 重庆长安汽车股份有限公司 | A kind of motor temperature guard method, electric machinery control device and electric system |
| CN103677001B (en) * | 2013-12-02 | 2015-10-14 | 长沙中联重科环卫机械有限公司 | Electric motor car refrigeration control method, Apparatus and system, electric motor car |
| CN105517902B (en) | 2014-10-20 | 2017-09-08 | 深圳市大疆创新科技有限公司 | Unmanned plane motor drives intelligent power control system and method and unmanned plane |
| CN104460742A (en) * | 2014-10-29 | 2015-03-25 | 上海电机学院 | Motor water cooling system and method used for electric vehicle |
| CN104354693B (en) * | 2014-11-17 | 2017-02-01 | 重庆长安汽车股份有限公司 | Over temperature protection method for ISG (Integrated Starter Generator) of hybrid electric vehicle |
| CN104808719B (en) * | 2015-03-12 | 2017-09-22 | 北京长安汽车工程技术研究有限责任公司 | A kind of temperature control system and method |
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| CN106774505A (en) * | 2016-12-12 | 2017-05-31 | 深圳市元征科技股份有限公司 | Unmanned plane motor radiating method and device |
| CN107928550A (en) * | 2017-10-30 | 2018-04-20 | 惠州市蓝微电子有限公司 | A kind of dust catcher with power of motor self-regulating function |
| CN108321769B (en) * | 2018-02-07 | 2019-07-16 | 浙江吉利汽车研究院有限公司 | A kind of electric machine control system failure protecting device and method based on CPLD and DSP |
| CN108923724A (en) * | 2018-08-14 | 2018-11-30 | 山东梅拉德能源动力科技有限公司 | A kind of driving motor for electric automobile and controller overheat protector system and excess temperature protection method |
| CN109445492A (en) * | 2018-10-26 | 2019-03-08 | 北京奥威通科技有限公司 | Mobile communication device and its control method resistant to high temperatures |
| CN112060927B (en) * | 2020-09-11 | 2021-12-21 | 湖南大学 | Temperature protection method and control equipment for electromechanical and thermal integrated system of new energy automobile |
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| CN102541113A (en) | 2012-07-04 |
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