CN107762945A - Electromagnetic heater and its blower control method and fan controller - Google Patents
Electromagnetic heater and its blower control method and fan controller Download PDFInfo
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- CN107762945A CN107762945A CN201610688598.7A CN201610688598A CN107762945A CN 107762945 A CN107762945 A CN 107762945A CN 201610688598 A CN201610688598 A CN 201610688598A CN 107762945 A CN107762945 A CN 107762945A
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- rotating speed
- blower fan
- dutycycle
- speed
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Electric Motors In General (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The invention provides a kind of blower control method of electromagnetic heater and fan controller.Wherein, a kind of blower control method of electromagnetic heater includes：Detect the dutycycle of the power tube of electromagnetic heater；And according to dutycycle, control the rotating speed of blower fan.By technical scheme, the dutycycle of the power tube by detecting electromagnetic heater can be realized, controls rotation speed of fan, blower fan different rotating speeds are provided in different phase, electric energy is saved, fan noise is reduced, improves usage experience of the user to electromagnetic heater.
Description
Technical field
The present invention relates to electromagnetic heating technique field, in particular to a kind of air-blower control side of electromagnetic heater
Method and fan controller, further relate to a kind of electromagnetic heater.
Background technology
In use, body produces very big heat energy to existing electromagnetic heater, therefore, it is necessary to blower fan is dissipated
Heat.When blower fan radiates at full speed, whole heating process can produce very big noise, influence the usage experience of user, and be directed to
Different heating stage in actual use, electromagnetic heater simultaneously need not be always with heating with full power, correspondingly, also not
Blower fan is needed to radiate at full speed.Therefore, it is necessary to which a kind of technical scheme, provides blower fan different rotating speeds in the different heating stage, solve phase
Problem present in the technology of pass.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of blower control method of electromagnetic heater, pass through inspection
The dutycycle of the power tube of electromagnetic heater is surveyed, controls rotation speed of fan, blower fan different rotating speeds, drop are provided in the different heating stage
Low fan noise.
It is another object of the present invention to propose a kind of fan controller of electromagnetic heater.
A further object of the present invention is to propose a kind of electromagnetic heater.
In view of this, present applicant proposes a kind of blower control method of electromagnetic heater, including：Detect Electromagnetic Heating
The dutycycle of the power tube of device；And according to dutycycle, control the rotating speed of blower fan.
In the technical scheme, many heats are produced during work for electromagnetic heater, it is necessary to fan radiating, electricity
The heat of magnetic heater is determined by the dutycycle of power tube, and different dutycycles correspond to electromagnetic heater it is different plus
The hot stage.Therefore, by the dutycycle for the power tube for detecting electromagnetic heater, according to dutycycle, the rotating speed of blower fan is controlled, it is real
Present different phase provides different rotation speed of fan, saves electric energy, reduces fan noise, improves user to electromagnetic heater
Usage experience, avoid blower fan and radiated always with maximum (top) speed, the problem of caused fan life shortens.
In addition, according to the above-mentioned control method of the present invention, there can also be technical characteristic additional as follows：
In the above-mentioned technical solutions, it is preferable that according to dutycycle, control the rotating speed of blower fan to specifically include：When dutycycle is small
When first threshold, the rotating speed for controlling blower fan is zero；When dutycycle is more than or equal to first threshold and is less than Second Threshold, control
The rotating speed of blower fan is the half of maximum (top) speed；And when dutycycle is more than or equal to Second Threshold, the rotating speed of blower fan is controlled as most
Big rotating speed.
In the technical scheme, by judging the different sections where dutycycle, the different rotating speeds of blower fan are controlled.If sentence
Disconnected dutycycle is less than first threshold, then the rotating speed for controlling blower fan is zero, illustrates the dutycycle very little of now power tube, and electromagnetism adds
Hot systems are heated with very low power, and caused heat energy is without fan radiating, so control blower fan turns
Speed is zero；If it is determined that dutycycle, which is more than or equal to, first threshold and is less than Second Threshold, illustrate now power tube opens duty
Than moderate, electromagnetic heating system is being heated with moderate power, it is necessary to increase fan radiating, so control blower fan turns
Speed is the half of maximum (top) speed；If dutycycle is more than or equal to Second Threshold, then the rotating speed for controlling blower fan is maximum (top) speed, is said
Bright now power tube opens that dutycycle is very big, and electromagnetic heating system is heated, it is necessary to which blower fan is also with big with high-power
Power is radiated, so the rotating speed for controlling blower fan is maximum (top) speed.By the technical scheme, the difference according to where dutycycle
Section, control blower fan are radiated with different rotating speed, significantly reduce fan noise, save energy consumption, lifting user use it is comfortable
The problem of degree, is avoided blower fan and is radiated always with maximum (top) speed, and caused fan life shortens.
In the above-mentioned technical solutions, it is preferable that in the case where the rotating speed of blower fan is not maximum (top) speed, monitor power tube
Whether temperature raises；If temperature raises, increase the rotating speed of blower fan.
In the technical scheme, specifically, when the rotating speed of blower fan is not maximum (top) speed, illustrate that blower fan can be increased
Current rotating speed, whether raised by the temperature for monitoring current power pipe in real time, to determine the need for increasing the rotating speed of blower fan, such as
Fruit temperature is raising, and illustrates the bigger rotating speed of needs, and the rotating speed for now increasing blower fan avoids work(caused by the blower fan slow-speed of revolution
Rate pipe temperature is too high, influences the service life of power tube, and then influence the reliability of rotation speed of fan control.
In the above-mentioned technical solutions, it is preferable that the rotating speed of blower fan is divided into multiple rotating speed gears, wherein, by changing wind
The rotating speed gear of machine changes the rotating speed of blower fan.
In the technical scheme, specifically, the rotating speed of blower fan is divided into multiple rotating speed gears, if desired for change blower fan
During rotating speed, by such mode, turning for blower fan can be easily adjusted by directly changing the rotating speed gear of blower fan
Speed.
In the above-mentioned technical solutions, it is preferable that after rotating speed gear is changed every time, in addition to：Monitor the temperature of power tube
Whether degree raises；And at an elevated temperature, continuing to increase the rotating speed gear of blower fan increases the rotating speed of blower fan.
In the technical scheme, specifically, after rotating speed gear is changed every time, it is by the temperature for monitoring power tube
No rise, and in the case where temperature has built up, continue to increase the rotating speed gear of blower fan to increase the rotating speed of blower fan, so
By being stepped up the rotating speed of blower fan, can both avoid disposably by rotating speed it is increased it is too fast caused by unnecessary waste,
Can avoid every time change after rotating speed gear corresponding to rotation speed of fan it is still too low so that rotation speed of fan always with power tube
Temperature rise is related, so as to increase the service life of power tube.
The present invention also proposes a kind of fan controller of electromagnetic heater, it is characterised in that including：Dutycycle detects
Unit, the dutycycle of the power tube for detecting electromagnetic heater；And rotary speed controling unit, for according to dutycycle, control
The rotating speed of blower fan processed.
In the technical scheme, many heats are produced during work for electromagnetic heater, it is necessary to fan radiating, electricity
The heat of magnetic heater is determined by the dutycycle of power tube, and different dutycycles correspond to electromagnetic heater it is different plus
The hot stage.Therefore, by dutycycle detector unit, the dutycycle of the power tube of electromagnetic heater is detected, is controlled by rotating speed
Unit, according to dutycycle, the rotating speed of blower fan is controlled, realizes and provides different rotating speeds in different phase, saves electric energy, reduced blower fan and make an uproar
Sound, improve usage experience of the user to electromagnetic heater.
In addition, according to a kind of fan controller of the above-mentioned electromagnetic heater of the present invention, can also have following attached
The technical characteristic added：
In the above-mentioned technical solutions, it is preferable that rotary speed controling unit is specifically used for：When dutycycle is less than first threshold,
The rotating speed for controlling blower fan is zero；When dutycycle is more than or equal to first threshold and is less than Second Threshold, the rotating speed for controlling blower fan is
The half of maximum (top) speed；And when dutycycle is more than or equal to Second Threshold, the rotating speed for controlling blower fan is maximum (top) speed.
In the technical scheme, specifically, by rotary speed controling unit according to first threshold and Second Threshold, it is determined that accounting for
The empty different sections than place, the rotating speed of blower fan is controlled, the rotating speed that can accurately control blower fan is the numerical value determined, improves wind
The reliability of machine rotating speed control.
In the above-mentioned technical solutions, it is preferable that temperature monitoring unit, for the rotating speed in rotary speed controling unit control blower fan
In the case of not being maximum (top) speed, whether the temperature for monitoring power tube raises, wherein, monitor temperature liter in temperature monitoring unit
In the case of height, rotary speed controling unit increases the rotating speed of blower fan.
In the technical scheme, specifically, by temperature monitoring unit, in the rotating speed of rotary speed controling unit control blower fan
When not being maximum (top) speed, illustrate the current rotating speed that can increase blower fan, whether the temperature for monitoring current power pipe in real time raises, its
In, temperature monitoring unit monitors the temperature rise of current power pipe, and rotary speed controling unit is increased by the rotating speed of blower fan, avoided
Power tube temperature is too high caused by the blower fan slow-speed of revolution, influences the service life of power tube, so influence rotation speed of fan control can
By property.
In the above-mentioned technical solutions, it is preferable that rotary speed controling unit is additionally operable to：The rotating speed of blower fan is divided into multiple rotating speed shelves
Position, changes the rotating speed of blower fan by changing the rotating speed gear of blower fan.
In the technical scheme, specifically, the rotating speed of blower fan is divided into multiple rotating speed gears, if desired for change blower fan
During rotating speed, by such mode, turning for blower fan can be easily adjusted by directly changing the rotating speed gear of blower fan
Speed.
In the above-mentioned technical solutions, it is preferable that after rotary speed controling unit changes rotating speed gear every time, monitoring temperature list
Member is additionally operable to：Whether the temperature of monitoring power tube raises；And at an elevated temperature, rotary speed controling unit continues to increase
The rotating speed gear of blower fan increases the rotating speed of blower fan.
In the technical scheme, specifically, after rotary speed controling unit changes rotating speed gear every time, supervised by temperature
Whether the temperature of control unit monitors power tube raises, and in the case where temperature has built up, continues to increase the rotating speed of blower fan
Gear increases the rotating speed of blower fan, rotation speed of fan corresponding to the rotating speed gear after changing every time can be avoided too low so that blower fan
Rotating speed meets the temperature rise of power tube always so that rotation speed of fan is related to the temperature rise of power tube always, so as to increase power tube
Service life.
The present invention also proposes a kind of electromagnetic heater, with the electromagnetic heater in any of the above-described technical scheme
Fan controller.According to the electromagnetic heater of the present invention, the wind speed of blower fan can be controlled according to the dutycycle of power tube,
Power tube is cooled so as to avoid the eternal full speed running of blower fan, caused by rotation speed of fan can also be avoided too low inadequate.
Brief description of the drawings
Fig. 1 shows the flow signal of the blower control method of electromagnetic heater according to an embodiment of the invention
Figure；
Fig. 2 shows the flow signal of the blower control method of electromagnetic heater according to another embodiment of the present invention
Figure；
Fig. 3 shows the flow signal of the blower control method of the electromagnetic heater according to one more embodiment of the present invention
Figure；
Fig. 4 shows the schematic diagram of the fan controller of electromagnetic heater according to an embodiment of the invention；
And
Fig. 5 shows the electromagnetic heater with fan controller according to still another embodiment of the invention.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
Fig. 1 shows the flow signal of the blower control method of electromagnetic heater according to an embodiment of the invention
Figure.Include as shown in Figure 1：
Step 102, the dutycycle of the power tube of electromagnetic heater is detected；And
Step 104, according to dutycycle, the rotating speed of blower fan is controlled.
In this embodiment, the heat of electromagnetic heater is determined by the dutycycle of power tube, and for Electromagnetic Heating
The device different heating period, dutycycle is different, therefore the rotating speed of fan radiating is also different.By step 102, detection electromagnetism adds
The dutycycle of the power tube of thermal, step 104, according to dutycycle, the rotating speed of blower fan is controlled, can realize and be filled in Electromagnetic Heating
The different phase put, there is provided different rotation speed of fan, so as to save electric energy, reduce fan noise, improve user to Electromagnetic Heating
The usage experience of device.
In one embodiment of the invention, it is preferable that according to dutycycle, control the rotating speed of blower fan to specifically include：When accounting for
When sky is than being less than first threshold, the rotating speed for controlling blower fan is zero；When dutycycle is more than or equal to first threshold and is less than Second Threshold
When, the rotating speed for controlling blower fan is the half of maximum (top) speed；And when dutycycle is more than or equal to Second Threshold, control turning for blower fan
Speed is maximum (top) speed.
In this embodiment, specifically, by determining the different sections where dutycycle, the rotating speed of blower fan is controlled, can
Using the rotating speed for accurately controlling blower fan as the numerical value determined, the reliability of rotation speed of fan control is improved.For example, first threshold is set
For 10%, Second Threshold 30%, then when dutycycle is less than 10%, the rotating speed for controlling blower fan is zero；When dutycycle be more than etc.
In 10% and less than 30% when, control blower fan rotating speed be maximum (top) speed half；And when dutycycle is more than or equal to 30%,
The rotating speed for controlling blower fan is maximum (top) speed.
In one embodiment of the invention, it is preferable that in the case where the rotating speed of blower fan is not maximum (top) speed, monitor work(
Whether the temperature of rate pipe raises；If temperature raises, increase the rotating speed of blower fan.
In this embodiment, specifically, when the rotating speed of blower fan is not maximum (top) speed, illustrate that working as blower fan can be increased
Preceding rotating speed, if the temperature of current power pipe is still raising, then it represents that need to increase the rotating speed of blower fan, so it is low to avoid blower fan
Power tube temperature caused by rotating speed is too high and influences the service life of power tube.
In one embodiment of the invention, it is preferable that the rotating speed of blower fan is divided into multiple rotating speed gears, wherein, pass through
The rotating speed gear for changing blower fan changes the rotating speed of blower fan.
In this embodiment, specifically, the rotating speed of blower fan is divided into multiple rotating speed gears, if desired for turn for changing blower fan
When fast, the rotating speed of blower fan by directly changing the rotating speed gear of blower fan, by such mode, can be easily adjusted.
In one embodiment of the invention, it is preferable that after rotating speed gear is changed every time, in addition to：Monitor power
Whether the temperature of pipe raises；And at an elevated temperature, continue increase blower fan rotating speed gear come increase blower fan turn
Speed.
In this embodiment, specifically, every time change rotating speed gear after, by monitor power tube temperature whether
Rise, and in the case where temperature has built up, continue to increase the rotating speed gear of blower fan to increase the rotating speed of blower fan, can keep away
After exempting from the rotating speed gear of change blower fan every time, corresponding rotation speed of fan is still too low so that rotation speed of fan meets power tube always
Temperature rise, increase the service life of power tube, and then improve the reliability of rotation speed of fan control.
Fig. 2 shows the flow signal of the blower control method of electromagnetic heater according to another embodiment of the present invention
Figure.In this embodiment, three rotating speed gears are set：Do not turn, half speed and full rotating speed, correspond respectively to blower fan zero-turn speed,
The half of the maximum (top) speed of blower fan and the maximum (top) speed of blower fan.Also, first threshold in this embodiment, is arranged to 10%,
Second Threshold is arranged to 30%, dutycycle is divided into three sections by the two threshold values, as shown in Fig. 2 specific steps include：
Step 202, the dutycycle of power tube is detected；
Step 204, judge whether the dutycycle of power tube is less than 10%, if less than 10%, proceed to step 206, it is no
Then proceed to step 216；
Step 206, the rotating speed gear of blower fan is determined not turn, i.e., blower fan wind speed is zero；
Step 208, whether the temperature for monitoring power tube raises, if temperature raises, proceeds to step 210, otherwise returns
To step 202；
Step 210, the rotating speed gear for determining blower fan is half speed；
Step 212, whether the temperature for monitoring power tube raises, if temperature raises, proceeds to step 214, otherwise returns
To step 202；
Step 214, the rotating speed gear of blower fan is arranged to full rotating speed, return to step 202；
Step 216, judge whether dutycycle is less than 30%, if dutycycle is less than 30%, proceed to step 210, otherwise
Proceed to step 214.
In this embodiment, specifically, the dutycycle of power tube is detected, when dutycycle is less than 10%, controls blower fan
Rotating speed be zero, change the rotating speed gear of blower fan not turn；When dutycycle is more than or equal to 10% and is less than 30%, blower fan is controlled
Rotating speed be maximum (top) speed half, the rotating speed gear for changing blower fan is half speed；And when dutycycle is more than or equal to 30%,
The rotating speed for controlling blower fan is maximum (top) speed, and the rotating speed gear for changing blower fan is full rotating speed.Different sections according to where dutycycle
Different rotation speed of fan is provided, the rotating speed of blower fan can be accurately controlled, the rotating speed of blower fan can be easily adjusted.When control wind
When the rotating speed of machine is zero, change the rotating speed gear of blower fan not turn, whether the temperature for then proceeding to monitor power tube raises, if
The temperature rise of current power pipe, then increase the rotating speed of blower fan, the rotating speed gear for increasing blower fan is half speed, then proceedes to monitor
Whether the temperature of power tube raises, however, it is determined that after temperature continues rise, then increases the rotating speed of blower fan, gear is arranged into complete turns
It speed, can so avoid each rotation speed of fan from changing too fast, each rotation speed of fan can also be avoided increased not enough, caused work(
Rate pipe constant temperature increase so that rotation speed of fan can match with the power of power tube, add the service life of power tube.
The blower control method of the electromagnetic heater, the output according to power tube is realized to provide different rotating speeds, so as to realize
Saving electric energy, fan noise is reduced, improves usage experience of the user to electromagnetic heater.
Fig. 3 shows the schematic diagram of the fan controller 300 of the electromagnetic heater of one embodiment of the present of invention, bag
Include：
Dutycycle detector unit 302, the dutycycle of the power tube for detecting electromagnetic heater；And
Rotary speed controling unit 304, for according to dutycycle, controlling the rotating speed of blower fan.
In this embodiment, the heat of electromagnetic heater is determined by the dutycycle of power tube, and for Electromagnetic Heating
The device different heating period, dutycycle is different, therefore the rotating speed of fan radiating is also different.By dutycycle detector unit 302,
The dutycycle of the power tube of electromagnetic heater is detected, by rotary speed controling unit 304, according to dutycycle, controls turning for blower fan
Speed, realize and different rotation speed of fan is provided in different phase, save electric energy, reduce fan noise, improve user and electromagnetism is added
The usage experience of thermal.
In one embodiment of the invention, it is preferable that rotary speed controling unit 304 is specifically used for：When dutycycle is less than the
During one threshold value, the rotating speed for controlling blower fan is zero；When dutycycle is more than or equal to first threshold and is less than Second Threshold, blower fan is controlled
Rotating speed be maximum (top) speed half；And when dutycycle is more than or equal to Second Threshold, the rotating speed of blower fan is controlled to turn to be maximum
Speed.
In this embodiment, specifically, rotary speed controling unit 304 sets first threshold and Second Threshold, according to duty
Than the comparative result with first threshold and/or Second Threshold, the rotating speed of blower fan is controlled.Can be accurate by the rotating speed determining unit
Ground controls the rotating speed of blower fan, improves the reliability of rotation speed of fan control.
Fig. 4 shows the schematic diagram of the fan controller 400 of the electromagnetic heater of another embodiment of the present invention, bag
Include：
Dutycycle detector unit 402, the dutycycle of the power tube for detecting electromagnetic heater；And
Rotary speed controling unit 404, for according to dutycycle, controlling the rotating speed of blower fan.Specifically, when dutycycle is less than first
During threshold value, the rotating speed for controlling blower fan is zero；When dutycycle is more than or equal to first threshold and is less than Second Threshold, blower fan is controlled
Rotating speed is the half of maximum (top) speed；And when dutycycle is more than or equal to Second Threshold, the rotating speed for controlling blower fan is maximum (top) speed.
Temperature monitoring unit 406, in the case of being not maximum (top) speed in the rotating speed of rotary speed controling unit control blower fan,
Whether the temperature of monitoring power tube raises, wherein, temperature monitoring unit monitor temperature it is elevated in the case of, rotating speed control is single
The rotating speed of member increase blower fan.
In this embodiment, by dutycycle detector unit 402, the dutycycle of the power tube of electromagnetic heater is detected,
By rotary speed controling unit 404, according to dutycycle, the rotating speed of blower fan is controlled, realizes that providing different blower fans in different phase turns
Speed, electric energy is saved, reduce fan noise, improve usage experience of the user to electromagnetic heater, pass through temperature monitoring unit
406, when the rotating speed of rotary speed controling unit control blower fan is not maximum (top) speed, illustrate the current rotating speed that can increase blower fan, it is real
When monitor current power pipe temperature whether raise, wherein, temperature monitoring unit monitor current power pipe temperature rise, turn
Fast control unit is increased by the rotating speed of blower fan, and power tube temperature is too high caused by avoiding the blower fan slow-speed of revolution, influences power tube
Service life, and then influence the reliability of rotation speed of fan control.
In the above-mentioned technical solutions, it is preferable that rotary speed controling unit 404 is additionally operable to：The rotating speed of blower fan is divided into multiple turns
Fast gear, change the rotating speed of blower fan by changing the rotating speed gear of blower fan.
In this embodiment, rotary speed controling unit 404 can be by being divided into multiple rotating speed gears, every time by changing by rotating speed
Variable speed gear adjusts the rotating speed of blower fan.
In one embodiment of the invention, it is preferable that after rotary speed controling unit 404 changes rotating speed gear every time,
Temperature monitoring unit 406 is additionally operable to：Whether the temperature of monitoring power tube raises；And at an elevated temperature, rotating speed control
The rotating speed gear that unit 404 processed continues to increase blower fan increases the rotating speed of blower fan.
In this embodiment, specifically, after rotary speed controling unit 404 changes rotating speed gear every time, temperature is passed through
Whether the temperature that monitoring unit 406 monitors power tube raises, and in the case where temperature has built up, continues to increase blower fan
Rotating speed gear increases the rotating speed of blower fan, can avoid blower fan change every time after rotating speed gear corresponding to rotation speed of fan still mistake
It is low so that rotation speed of fan meets the temperature rise of power tube always, increases the service life of power tube, and then improves rotation speed of fan control
Reliability.
Fig. 5 shows the electromagnetic heater with fan controller according to still another embodiment of the invention.Such as Fig. 5
Shown, electromagnetic heater 500 includes fan controller 400.In this embodiment, electromagnetic heater 500 passes through blower fan
Control device 400 controls the rotating speed of blower fan, so as to realize can according to the power output of the power tube of electromagnetic heater come
The purpose of rotation speed of fan is controlled, rotation speed of fan is realized and matches operation with the power output of power tube, so as to save electric energy, is reduced
Noise, and in the case where avoiding power tube from overheating, realize the reliable speed governing of blower fan.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
- A kind of 1. blower control method of electromagnetic heater, it is characterised in that including：Detect the dutycycle of the power tube of the electromagnetic heater；AndAccording to the dutycycle, the rotating speed of the blower fan is controlled.
- 2. blower control method according to claim 1, it is characterised in that it is described according to the dutycycle, described in control The rotating speed of blower fan specifically includes：When the dutycycle is less than first threshold, the rotating speed for controlling the blower fan is zero；When the dutycycle is more than or equal to first threshold and is less than Second Threshold, the rotating speed for controlling the blower fan is maximum (top) speed Half；AndWhen the dutycycle is more than or equal to Second Threshold, the rotating speed for controlling the blower fan is maximum (top) speed.
- 3. blower control method according to claim 1 or 2, it is characterised in that also include：In the case where the rotating speed of the blower fan is not maximum (top) speed, whether the temperature for monitoring the power tube raises；If the temperature rise, increase the rotating speed of the blower fan.
- 4. blower control method according to claim 1 or 2, it is characterised in that also include：The rotating speed of the blower fan is divided into multiple rotating speed gears,Wherein, the rotating speed of the blower fan is changed by changing the rotating speed gear of the blower fan.
- 5. blower control method according to claim 4, it is characterised in that after the rotating speed gear is changed every time, Also include：Whether the temperature for monitoring the power tube raises；AndIn the case of the temperature is elevated, continue to increase the rotating speed gear of the blower fan to increase the rotating speed of the blower fan.
- A kind of 6. fan controller of electromagnetic heater, it is characterised in that including：Dutycycle detector unit, the dutycycle of the power tube for detecting the electromagnetic heater；AndRotary speed controling unit, for according to the dutycycle, controlling the rotating speed of the blower fan.
- 7. fan controller according to claim 6, it is characterised in that the rotary speed controling unit is specifically used for：When the dutycycle is less than first threshold, the rotating speed for controlling the blower fan is zero；When the dutycycle is more than or equal to first threshold and is less than Second Threshold, the rotating speed for controlling the blower fan is maximum (top) speed Half；AndWhen the dutycycle is more than or equal to Second Threshold, the rotating speed for controlling the blower fan is maximum (top) speed.
- 8. the fan controller according to claim 6 or 7, it is characterised in that also include：Temperature monitoring unit, the rotating speed for controlling the blower fan in the rotary speed controling unit are not the situations of maximum (top) speed Under, whether the temperature for monitoring the power tube raises,Wherein, the temperature monitoring unit monitor the temperature it is elevated in the case of, the rotary speed controling unit increases institute State the rotating speed of blower fan.
- 9. the fan controller according to claim 6 or 7, it is characterised in that the rotary speed controling unit is additionally operable to：The rotating speed of the blower fan is divided into multiple rotating speed gears, changes the blower fan by changing the rotating speed gear of the blower fan Rotating speed.
- 10. fan controller according to claim 9, it is characterised in that change every time in the rotary speed controling unit After the rotating speed gear, the temperature monitoring unit is additionally operable to：Whether the temperature for monitoring the power tube raises；AndIn the case of the temperature is elevated, the rotary speed controling unit continues to increase the rotating speed gear of the blower fan to increase State the rotating speed of blower fan.
- 11. a kind of electromagnetic heater, it is characterised in that including the Electromagnetic Heating dress any one of claim 6 to 10 The fan controller put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688598.7A CN107762945B (en) | 2016-08-18 | 2016-08-18 | Electromagnetic heating device, fan control method and fan control device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688598.7A CN107762945B (en) | 2016-08-18 | 2016-08-18 | Electromagnetic heating device, fan control method and fan control device thereof |
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| CN107762945A true CN107762945A (en) | 2018-03-06 |
| CN107762945B CN107762945B (en) | 2022-04-05 |
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| CN1808889A (en) * | 2006-01-05 | 2006-07-26 | 山东九阳小家电有限公司 | Speed governing control method and speed governor for cooling fan of electromagnetic oven |
| CN201119038Y (en) * | 2007-11-13 | 2008-09-17 | 美的集团有限公司 | Control device of electromagnetic oven |
| CN201964478U (en) * | 2010-12-23 | 2011-09-07 | 浙江苏泊尔家电制造有限公司 | Electromagnetic oven |
| CN102954508A (en) * | 2011-08-24 | 2013-03-06 | 博西华电器（江苏）有限公司 | Combination of electromagnetic stove and range hood and control method thereof |
| WO2013135528A1 (en) * | 2012-03-16 | 2013-09-19 | BSH Bosch und Siemens Hausgeräte GmbH | Microwave combination device with a fan for cooling |
| CN103857084A (en) * | 2012-12-06 | 2014-06-11 | 美的集团股份有限公司 | Induction cooker control circuit and control method |
| CN203313438U (en) * | 2013-05-21 | 2013-11-27 | 美的集团股份有限公司 | An induction cooker and a control circuit thereof |
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