CN106208845A - The control method of direct current generator and control device and breeze fan - Google Patents
The control method of direct current generator and control device and breeze fan Download PDFInfo
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- CN106208845A CN106208845A CN201610541181.8A CN201610541181A CN106208845A CN 106208845 A CN106208845 A CN 106208845A CN 201610541181 A CN201610541181 A CN 201610541181A CN 106208845 A CN106208845 A CN 106208845A
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- direct current
- current generator
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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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
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- Control Of Eletrric Generators (AREA)
Abstract
The invention provides the control method of a kind of direct current generator and control device and air-conditioner, wherein, the control method of direct current generator, including: the temperature of detection direct current generator;If detecting, the temperature of described direct current generator more than or equal to predetermined temperature, then reduces the running speed of described direct current generator, until the temperature of described direct current generator is less than described predetermined temperature.Technical scheme solve use the current limliting method in correlation technique and cannot the fundamentally power of limiting motor and the problem of caloric value, avoid potential safety hazard that is too high due to the temperature of direct current generator and that be likely to occur, the reliability service of direct current generator is effectively ensured, has been conducive to promoting the service life of direct current generator.
Description
Technical field
The present invention relates to DC motor technology field, in particular to control method, the Yi Zhongzhi of a kind of direct current generator
The control device of stream motor and a kind of breeze fan.
Background technology
For direct current generator, when load one timing, the power of motor can raise along with the rising of its rotating speed, particularly exist
After the power of motor exceedes rated power, its power drastically can raise along with the rising of rotating speed, and power is the biggest, sending out of motor
Heat is the biggest, therefore when the power of motor is bigger, can affect the reliability service of motor, even can motor damage.
At present for the protection of direct current generator, it is the most all to use current limliting method, i.e. in the range of direct current generator firm power
The electric current limiting direct current generator is a certain setting value to the maximum, when the input current of direct current generator is not up to its cut-off current, and user
Can come as desired the rotating speed of direct current generator is adjusted;Along with the raising of rotating speed, when the input current of direct current generator reaches
It is accomplished by limiting electric current during limits value to continue to improve, to realize power and the caloric value of motor are limited.
But during actual utilization, particularly in air conditioner with high static pressure type, when the unidirectional current in breeze fan
After the electric current of machine is limited, the rotating speed that arranges due to different static pressure point different (at different static pressure points, even if rotating speed is identical,
Its electric current, power difference are the biggest), the power factor (PF) of motor under different rotating speeds, input to motor voltage the most different, thus lead
Power and the caloric value of sending a telegraph machine are the most different.In other words, use the method limiting electric current can not fundamentally limiting motor
Power and caloric value, therefore can not ensure the reliability service of motor.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art or correlation technique.
To this end, it is an object of the present invention to propose the control method of a kind of new direct current generator, it is effectively ensured
The reliability service of direct current generator, is conducive to promoting the service life of direct current generator.
Further object is that correspondence proposes the control device of a kind of direct current generator and has this control dress
The breeze fan put.
For achieving the above object, embodiment according to the first aspect of the invention, it is proposed that the control of a kind of direct current generator
Method, including: the temperature of detection direct current generator;If detecting, the temperature of described direct current generator is more than or equal to predetermined temperature, then
Reduce the running speed of described direct current generator, until the temperature of described direct current generator is less than described predetermined temperature.
The control method of direct current generator according to an embodiment of the invention, by detecting the temperature of direct current generator, and directly
When the temperature of stream motor is more than or equal to predetermined temperature, reduce the running speed of direct current generator, enabling according to directly detection
To temperature the running speed of direct current generator is controlled, with by control direct current generator running speed indirectly control
The temperature of direct current generator, solve use the current limliting method in correlation technique and cannot the fundamentally power of limiting motor and heating
The problem of amount, it is to avoid and the potential safety hazard that be likely to occur due to the temperature of direct current generator too high, has been effectively ensured direct current generator
Reliability service, be conducive to promote direct current generator service life.
Wherein, the temperature of detection direct current generator both can be detection in real time, it is also possible to is to be periodically detected, or is non-week
Phase property carries out one-time detection at set intervals.In a preferred embodiment of the invention, direct current generator can be detected in real time
Temperature, with the temperature by detecting in real time, the running speed of direct current generator is controlled.
The control method of direct current generator according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below feature:
According to one embodiment of present invention, reduce the step of the running speed of described direct current generator, specifically include: according to
Predetermined reduction ratio, gradually reduces the running speed of described direct current generator.
In this embodiment, by according to predetermined reduction ratio, gradually reducing the running speed of direct current generator, can keep away
The rotating speed cataclysm exempting from direct current generator affects the experience of user relatively greatly;Simultaneously because after the rotation speed change of direct current generator, its
Temperature also can change, and therefore by gradually reducing the running speed of direct current generator, also makes reducing direct current generator every time
Running speed after, it is possible to determine the need for again continuing fall after the temperature stabilization that reserved a period of time waits direct current generator
The slow-speed of revolution.
According to one embodiment of present invention, according to the temperature of described direct current generator, determine the value of described reduction ratio, its
In, the value of described reduction ratio becomes positive correlation with the temperature of described direct current generator.
In this embodiment, become positive correlation owing to reducing the value of ratio with the temperature of direct current generator, therefore work as direct current
When the temperature of motor is higher, it is possible to use bigger reduction ratio to gradually reduce the running speed of direct current generator, with by big
The rotating speed of amplitude reduction direct current generator quickly reduces the temperature of direct current generator;And be not the highest in the temperature of direct current generator
Time, can use less reduction ratio to gradually reduce the running speed of direct current generator, with by less reduction amplitude come
The running speed of direct current generator is finely adjusted, and then can subtract on the premise of the temperature guaranteeing reduction direct current generator as far as possible
Small DC motor rotation speed change and impact on user's experience.
According to one embodiment of present invention, also include: predetermined less than described in the temperature described direct current generator being detected
During temperature, it is judged that whether the current rotating speed of described direct current generator is more than or equal to setting speed;Judging described direct current generator
When current rotating speed is less than described setting speed, step up the running speed of described direct current generator, until described direct current generator
Running speed reaches described setting speed.
In this embodiment, during by being less than setting speed at the current rotating speed judging direct current generator, direct current is stepped up
The running speed of motor, enabling on the premise of the temperature ensureing direct current generator does not exceeds standard, it is ensured that the rotating speed of direct current generator
Disclosure satisfy that the demand of user.
According to one embodiment of present invention, the step of the temperature of described detection direct current generator, specifically include: detection is described
The temperature of the coil windings of direct current generator, using the temperature of described coil windings as the temperature of described direct current generator.
Wherein it is possible to detected the temperature of the coil windings of direct current generator by thermocouple.
According to the second aspect of the invention, it is also proposed that the control device of a kind of direct current generator, including: detector unit, use
Temperature in detection direct current generator;In described detector unit, control unit, for detecting that the temperature of described direct current generator is more than
Or during equal to predetermined temperature, reduce the running speed of described direct current generator, until the temperature of described direct current generator is less than described pre-
Fixed temperature.
The control device of direct current generator according to an embodiment of the invention, by detecting the temperature of direct current generator, and directly
When the temperature of stream motor is more than or equal to predetermined temperature, reduce the running speed of direct current generator, enabling according to directly detection
To temperature the running speed of direct current generator is controlled, with by control direct current generator running speed indirectly control
The temperature of direct current generator, solve use the current limliting method in correlation technique and cannot the fundamentally power of limiting motor and heating
The problem of amount, it is to avoid and the potential safety hazard that be likely to occur due to the temperature of direct current generator too high, has been effectively ensured direct current generator
Reliability service, be conducive to promote direct current generator service life.
Wherein, the temperature of detection direct current generator both can be detection in real time, it is also possible to is to be periodically detected, or is non-week
Phase property carries out one-time detection at set intervals.In a preferred embodiment of the invention, direct current generator can be detected in real time
Temperature, with the temperature by detecting in real time, the running speed of direct current generator is controlled.
The control device of direct current generator according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below feature:
According to one embodiment of present invention, described control unit specifically for: according to predetermined reduction ratio, progressively drop
The running speed of low described direct current generator.
In this embodiment, by according to predetermined reduction ratio, gradually reducing the running speed of direct current generator, can keep away
The rotating speed cataclysm exempting from direct current generator affects the experience of user relatively greatly;Simultaneously because after the rotation speed change of direct current generator, its
Temperature also can change, and therefore by gradually reducing the running speed of direct current generator, also makes reducing direct current generator every time
Running speed after, it is possible to determine the need for again continuing fall after the temperature stabilization that reserved a period of time waits direct current generator
The slow-speed of revolution.
According to one embodiment of present invention, the control device of described direct current generator, also comprise determining that unit, be used for
According to the temperature of described direct current generator, determine the value of described reduction ratio, wherein, the value of described reduction ratio and described unidirectional current
The temperature of machine becomes positive correlation.
In this embodiment, become positive correlation owing to reducing the value of ratio with the temperature of direct current generator, therefore work as direct current
When the temperature of motor is higher, it is possible to use bigger reduction ratio to gradually reduce the running speed of direct current generator, with by big
The rotating speed of amplitude reduction direct current generator quickly reduces the temperature of direct current generator;And be not the highest in the temperature of direct current generator
Time, can use less reduction ratio to gradually reduce the running speed of direct current generator, with by less reduction amplitude come
The running speed of direct current generator is finely adjusted, and then can subtract on the premise of the temperature guaranteeing reduction direct current generator as far as possible
Small DC motor rotation speed change and impact on user's experience.
According to one embodiment of present invention, the control device of described direct current generator, also include: judging unit, be used for
When described detector unit detects the temperature of described direct current generator less than described predetermined temperature, it is judged that working as of described direct current generator
Whether front rotating speed is more than or equal to setting speed;Described control unit is additionally operable to, and judges described unidirectional current at described judging unit
When the current rotating speed of machine is less than described setting speed, step up the running speed of described direct current generator, until described unidirectional current
The running speed of machine reaches described setting speed.
In this embodiment, during by being less than setting speed at the current rotating speed judging direct current generator, direct current is stepped up
The running speed of motor, enabling on the premise of the temperature ensureing direct current generator does not exceeds standard, it is ensured that the rotating speed of direct current generator
Disclosure satisfy that the demand of user.
According to one embodiment of present invention, described detector unit specifically for: detect the coil of described direct current generator around
The temperature of group, using the temperature of described coil windings as the temperature of described direct current generator.
Wherein it is possible to detected the temperature of the coil windings of direct current generator by thermocouple.
According to the third aspect of the invention we, it is also proposed that a kind of breeze fan, including direct current generator;And such as above-mentioned reality
Execute the control device of direct current generator according to any one of example.
Wherein, this breeze fan may apply in air-conditioner.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 shows the schematic flow diagram of the control method of direct current generator according to first embodiment of the invention;
Fig. 2 shows the schematic block diagram controlling device of direct current generator according to an embodiment of the invention;
Fig. 3 shows the schematic block diagram of breeze fan according to an embodiment of the invention;
Fig. 4 shows the schematic flow diagram of the control method of the direct current generator of second embodiment according to the present invention;
Fig. 5 shows the installation site schematic diagram of thermocouple according to an embodiment of the invention.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, real with concrete below in conjunction with the accompanying drawings
The present invention is further described in detail by mode of executing.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention also may be used
Implementing to use other to be different from other modes described here, therefore, protection scope of the present invention is not by described below
The restriction of specific embodiment.
Fig. 1 shows the schematic flow diagram of the control method of direct current generator according to first embodiment of the invention.
As it is shown in figure 1, the control method of direct current generator according to first embodiment of the invention, including:
Step S10, the temperature of detection direct current generator.
Wherein, the temperature of detection direct current generator both can be detection in real time, it is also possible to is to be periodically detected, or is non-week
Phase property carries out one-time detection at set intervals.In a preferred embodiment of the invention, direct current generator can be detected in real time
Temperature, with the temperature by detecting in real time, the running speed of direct current generator is controlled.
In one embodiment of the invention, step S10 specifically includes: detect the temperature of the coil windings of described direct current generator
Degree, using the temperature of described coil windings as the temperature of described direct current generator.
Wherein it is possible to detected the temperature of the coil windings of direct current generator by thermocouple.
Step S12, if detecting, the temperature of described direct current generator more than or equal to predetermined temperature, then reduces described unidirectional current
The running speed of machine, until the temperature of described direct current generator is less than described predetermined temperature.
In one embodiment of the invention, reduce the step of the running speed of described direct current generator, specifically include: according to
Predetermined reduction ratio, gradually reduces the running speed of described direct current generator.
In this embodiment, by according to predetermined reduction ratio, gradually reducing the running speed of direct current generator, can keep away
The rotating speed cataclysm exempting from direct current generator affects the experience of user relatively greatly;Simultaneously because after the rotation speed change of direct current generator, its
Temperature also can change, and therefore by gradually reducing the running speed of direct current generator, also makes reducing direct current generator every time
Running speed after, it is possible to determine the need for again continuing fall after the temperature stabilization that reserved a period of time waits direct current generator
The slow-speed of revolution.
In one embodiment of the invention, according to the temperature of described direct current generator, determine the value of described reduction ratio, its
In, the described value of reduction ratio becomes positive correlation with the temperature of direct current generator.
In this embodiment, become positive correlation owing to reducing the value of ratio with the temperature of direct current generator, therefore work as direct current
When the temperature of motor is higher, it is possible to use bigger reduction ratio to gradually reduce the running speed of direct current generator, with by big
The rotating speed of amplitude reduction direct current generator quickly reduces the temperature of direct current generator;And be not the highest in the temperature of direct current generator
Time, can use less reduction ratio to gradually reduce the running speed of direct current generator, with by less reduction amplitude come
The running speed of direct current generator is finely adjusted, and then can subtract on the premise of the temperature guaranteeing reduction direct current generator as far as possible
Small DC motor rotation speed change and impact on user's experience.
According to one embodiment of present invention, the control method of the direct current generator shown in Fig. 1, also include: detecting
When the temperature of described direct current generator is less than described predetermined temperature, it is judged that whether the current rotating speed of described direct current generator is more than or equal to
Setting speed;When the current rotating speed judging described direct current generator is less than described setting speed, step up described direct current generator
Running speed, until the running speed of described direct current generator reaches described setting speed.
In this embodiment, during by being less than setting speed at the current rotating speed judging direct current generator, direct current is stepped up
The running speed of motor, enabling on the premise of the temperature ensureing direct current generator does not exceeds standard, it is ensured that the rotating speed of direct current generator
Disclosure satisfy that the demand of user.
The control method of the direct current generator shown in Fig. 1, by detecting the temperature of direct current generator, and in the temperature of direct current generator
When degree is more than or equal to predetermined temperature, reduce the running speed of direct current generator, enabling come according to the temperature directly detected
The running speed of direct current generator is controlled, indirectly controls direct current generator with the running speed by control direct current generator
Temperature, solve use the current limliting method in correlation technique and cannot the fundamentally power of limiting motor and the problem of caloric value,
Avoid potential safety hazard that is too high due to the temperature of direct current generator and that be likely to occur, the reliable fortune of direct current generator has been effectively ensured
OK, be conducive to promoting the service life of direct current generator.
Fig. 2 shows the schematic block diagram controlling device of direct current generator according to an embodiment of the invention.
As in figure 2 it is shown, the control device 200 of direct current generator according to an embodiment of the invention, including: detector unit 202
With control unit 204.
Wherein, detector unit 202 is for detecting the temperature of direct current generator;Control unit 204 is in described detector unit
202 detect when the temperature of described direct current generator is more than or equal to predetermined temperature, reduce the running speed of described direct current generator, directly
Temperature to described direct current generator is less than described predetermined temperature.
Specifically, by detecting the temperature of direct current generator, and when the temperature of direct current generator is more than or equal to predetermined temperature,
Reduce the running speed of direct current generator, enabling according to the temperature directly detected, the running speed of direct current generator is carried out
Control, indirectly to control the temperature of direct current generator by controlling the running speed of direct current generator, solve employing correlation technique
In current limliting method and cannot the fundamentally power of limiting motor and the problem of caloric value, it is to avoid due to the temperature of direct current generator
Too high and the potential safety hazard that is likely to occur, has been effectively ensured the reliability service of direct current generator, has been conducive to promoting making of direct current generator
Use the life-span.
Wherein, the temperature of detection direct current generator both can be detection in real time, it is also possible to is to be periodically detected, or is non-week
Phase property carries out one-time detection at set intervals.In a preferred embodiment of the invention, direct current generator can be detected in real time
Temperature, with the temperature by detecting in real time, the running speed of direct current generator is controlled.
The control device 200 of direct current generator according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below feature:
According to one embodiment of present invention, described control unit 204 specifically for: according to predetermined reduction ratio, by
Step reduces the running speed of described direct current generator.
In this embodiment, by according to predetermined reduction ratio, gradually reducing the running speed of direct current generator, can keep away
The rotating speed cataclysm exempting from direct current generator affects the experience of user relatively greatly;Simultaneously because after the rotation speed change of direct current generator, its
Temperature also can change, and therefore by gradually reducing the running speed of direct current generator, also makes reducing direct current generator every time
Running speed after, it is possible to determine the need for again continuing fall after the temperature stabilization that reserved a period of time waits direct current generator
The slow-speed of revolution.
According to one embodiment of present invention, the control device 200 of described direct current generator, also comprise determining that unit
206, for the temperature according to described direct current generator, determine the value of described reduction ratio, wherein, the value of described reduction ratio and institute
The temperature stating direct current generator becomes positive correlation.
In this embodiment, become positive correlation owing to reducing the value of ratio with the temperature of direct current generator, therefore work as direct current
When the temperature of motor is higher, it is possible to use bigger reduction ratio to gradually reduce the running speed of direct current generator, with by big
The rotating speed of amplitude reduction direct current generator quickly reduces the temperature of direct current generator;And be not the highest in the temperature of direct current generator
Time, can use less reduction ratio to gradually reduce the running speed of direct current generator, with by less reduction amplitude come
The running speed of direct current generator is finely adjusted, and then can subtract on the premise of the temperature guaranteeing reduction direct current generator as far as possible
Small DC motor rotation speed change and impact on user's experience.
According to one embodiment of present invention, the control device 200 of described direct current generator, also include: judging unit
208, during for detecting that in described detector unit 202 temperature of described direct current generator is less than described predetermined temperature, it is judged that described
Whether the current rotating speed of direct current generator is more than or equal to setting speed;Described control unit 204 is additionally operable to, at described judging unit
208 judge that when the current rotating speed of described direct current generator is less than described setting speed, the operation stepping up described direct current generator turns
Speed, until the running speed of described direct current generator reaches described setting speed.
In this embodiment, during by being less than setting speed at the current rotating speed judging direct current generator, direct current is stepped up
The running speed of motor, enabling on the premise of the temperature ensureing direct current generator does not exceeds standard, it is ensured that the rotating speed of direct current generator
Disclosure satisfy that the demand of user.
According to one embodiment of present invention, described detector unit 202 specifically for: detect the coil of described direct current generator
The temperature of winding, using the temperature of described coil windings as the temperature of described direct current generator.Wherein it is possible to examined by thermocouple
Survey the temperature of the coil windings of direct current generator.
Fig. 3 shows the schematic block diagram of breeze fan according to an embodiment of the invention.
As it is shown on figure 3, breeze fan 300 according to an embodiment of the invention, including: direct current generator 302;And such as Fig. 2
Shown in the control device 200 of direct current generator.
Wherein, this breeze fan 300 may apply in air-conditioner, as being indoor set and/or the outdoor of air-conditioner
Breeze fan in machine.
Fig. 4 shows the schematic flow diagram of the control method of the direct current generator of second embodiment according to the present invention.
As shown in Figure 4, according to the control method of the direct current generator of second embodiment of the present invention, including:
Step 402, breeze fan starts.Wherein, this breeze fan can be the breeze fan in air conditioner room unit, also
It can be the breeze fan in air-conditioner outdoor unit.
Step 404, after breeze fan starts, in 20 seconds, the direct current generator in breeze fan accelerates to 500r/min, it
After according to air quantity require with per second 2% ratio raise.
Step 406, obtains the temperature that thermocouple detects in real time.
Wherein, as it is shown in figure 5, thermocouple 504 is for detecting the temperature of the winding 502 of direct current generator.Specifically, motor exists
In manufacturing process, a thermocouple can be set at its winding, the output lead of thermocouple and the power line of motor can together with colligation
Draw.Described " in real time " is determined by chip used frequency, when being 10K such as chip frequency, it is simply that within 1/10000 second, obtain one
The temperature that secondary thermocouple detects.
Step 408, it is judged that the temperature that thermocouple detects whether more than or equal to A, the most then performs step 412;No
Then, step 410 is performed.
Step 410, is stepped up the rotating speed of motor to rotating speed of target with the ratio of per second 2%.
Step 412, it is judged that the temperature that thermocouple detects whether more than or equal to B, the most then performs step 416;No
Then, step 414 is performed.Wherein it is preferred to, A < 0.9B.
Step 414, rotating speed progressively declines according to the ratio of per minute 5%, returns step 408 afterwards.
Step 416, rotating speed progressively declines according to the ratio of per minute 15%, returns step 408 afterwards.
Wherein, after the rotating speed of direct current generator declines, and the temperature that detects of thermocouple less than A time, if the temperature of motor
Degree miss the mark rotating speed, then be stepped up the tachometer value rotating speed of target of motor according to step 410;If the temperature of motor reaches
Rotating speed of target, then motor just runs with rotating speed now, to meet the speed demand of user.
It should be understood that the concrete numerical value in Fig. 4 is only a preferred embodiment of the present invention, do not make concrete limit
Fixed, in other embodiments of the invention, can be adjusted according to practical situation.
Technical scheme being described in detail above in association with accompanying drawing, the present invention proposes a kind of new direct current generator
Control program, solve use the current limliting method in correlation technique and cannot the fundamentally power of limiting motor and asking of caloric value
Topic, it is to avoid and the potential safety hazard that be likely to occur due to the temperature of direct current generator too high, has been effectively ensured the reliable of direct current generator
Run, be conducive to promoting the service life of direct current generator.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. the control method of a direct current generator, it is characterised in that including:
The temperature of detection direct current generator;
If detecting, the temperature of described direct current generator is more than or equal to predetermined temperature, then the operation reducing described direct current generator turns
Speed, until the temperature of described direct current generator is less than described predetermined temperature.
The control method of direct current generator the most according to claim 1, it is characterised in that reduce the operation of described direct current generator
The step of rotating speed, specifically includes:
According to predetermined reduction ratio, gradually reduce the running speed of described direct current generator.
The control method of direct current generator the most according to claim 2, it is characterised in that according to the temperature of described direct current generator
Degree, determines the value of described reduction ratio, and wherein, the value of described reduction ratio becomes positive correlation to close with the temperature of described direct current generator
System.
The control method of direct current generator the most according to claim 1, it is characterised in that also include:
When the temperature described direct current generator being detected is less than described predetermined temperature, it is judged that the current rotating speed of described direct current generator is
No more than or equal to setting speed;
When the current rotating speed judging described direct current generator is less than described setting speed, step up the operation of described direct current generator
Rotating speed, until the running speed of described direct current generator reaches described setting speed.
The control method of direct current generator the most according to any one of claim 1 to 4, it is characterised in that described detection is straight
The step of the temperature of stream motor, specifically includes:
Detect the temperature of the coil windings of described direct current generator, using the temperature of described coil windings as the temperature of described direct current generator
Degree.
6. the control device of a direct current generator, it is characterised in that including:
Detector unit, for detecting the temperature of direct current generator;
Control unit, during for detecting that in described detector unit the temperature of described direct current generator is more than or equal to predetermined temperature,
Reduce the running speed of described direct current generator, until the temperature of described direct current generator is less than described predetermined temperature.
The control device of direct current generator the most according to claim 6, it is characterised in that described control unit specifically for:
According to predetermined reduction ratio, gradually reduce the running speed of described direct current generator.
The control device of direct current generator the most according to claim 7, it is characterised in that also include:
Determining unit, for the temperature according to described direct current generator, determine the value of described reduction ratio, wherein, described reduction is compared
The value of example becomes positive correlation with the temperature of described direct current generator.
The control device of direct current generator the most according to claim 6, it is characterised in that also include: judging unit, is used for
When described detector unit detects the temperature of described direct current generator less than described predetermined temperature, it is judged that described direct current generator current
Whether rotating speed is more than or equal to setting speed;
Described control unit is additionally operable to, and judges that at described judging unit the current rotating speed of described direct current generator turns less than described setting
During speed, step up the running speed of described direct current generator, until the running speed of described direct current generator reaches described setting and turns
Speed.
10. according to the control device of the direct current generator according to any one of claim 6 to 9, it is characterised in that described detection list
Unit specifically for:
Detect the temperature of the coil windings of described direct current generator, using the temperature of described coil windings as the temperature of described direct current generator
Degree.
11. 1 kinds of breeze fans, it is characterised in that including:
Direct current generator;And
The control device of the direct current generator as according to any one of claim 6 to 10.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107592059A (en) * | 2017-09-19 | 2018-01-16 | 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, method, storage medium and equipment |
CN108981102A (en) * | 2018-07-04 | 2018-12-11 | 海信(山东)空调有限公司 | Air-cooled ducted air conditioner |
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CN114636238A (en) * | 2022-04-19 | 2022-06-17 | 珠海格力电器股份有限公司 | Motor temperature rise control method |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107592059A (en) * | 2017-09-19 | 2018-01-16 | 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, method, storage medium and equipment |
CN108981102A (en) * | 2018-07-04 | 2018-12-11 | 海信(山东)空调有限公司 | Air-cooled ducted air conditioner |
WO2020142942A1 (en) * | 2019-01-09 | 2020-07-16 | 深圳市大疆创新科技有限公司 | Control method and controller for motor, distance measurement sensor, and mobile platform |
CN109861623A (en) * | 2019-02-28 | 2019-06-07 | 宁波奥克斯电气股份有限公司 | Control method, device and the air conditioner for preventing motor overload from protecting |
CN114636238A (en) * | 2022-04-19 | 2022-06-17 | 珠海格力电器股份有限公司 | Motor temperature rise control method |
CN114636238B (en) * | 2022-04-19 | 2023-04-28 | 珠海格力电器股份有限公司 | Motor temperature rise control method |
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