CN108953182A - Control device, method and the warm-air drier using the device of starting fan - Google Patents
Control device, method and the warm-air drier using the device of starting fan Download PDFInfo
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- CN108953182A CN108953182A CN201810617977.6A CN201810617977A CN108953182A CN 108953182 A CN108953182 A CN 108953182A CN 201810617977 A CN201810617977 A CN 201810617977A CN 108953182 A CN108953182 A CN 108953182A
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- fan
- temperature
- division module
- starting
- control
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009414 blockwork Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
-
- 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
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- 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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
- F04D27/006—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by influencing fluid temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The present invention relates to a kind of device for controlling starting fan, method and use the warm-air drier of the device, the device of the control starting fan, comprising: division module, short block and control module；The division module is connected with fan, for dividing when not being short-circuited to fan；The short block is in parallel with the division module, for the short-circuit division module at work；The control module is connect with the short block, is controlled the short block when being lower than preset temperature for the environment temperature locating for fan and is not worked, and the short block work is controlled when being higher than preset temperature.The present invention realizes the under-voltage starting of fan in low temperature；And after starting fan, it can guarantee that fan is operated with normal voltage.The present invention not only solves fan low temperature not starting problem, and after also solving cold-starting, fan cannot run well problem.
Description
Technical field
The present invention relates to air-blower control technical fields, and in particular to a kind of device, method and use for controlling starting fan
The warm-air drier of the device.
Background technique
Existing warm-air drier is all by PTC (Positive Temperature Coefficient, positive temperature coefficient)
Heater generates heat, and is then radiated by being located at PTC heater subsequent fan to PTC heater.The hot wind produced by boasting that radiates is used
Come to rooms.
Fan on warm-air drier is divided to two kinds of AC and DC, and ac fan is directly powered by alternating current, and DC fan is generally all
It is by alternating current by powering again for fan after step-down rectifier.But the either all inevitable low temperature of ac fan or DC fan
The problem of startup power increases under environment.This is because at low ambient temperatures, the lubricating oil meeting retrogradation in fan is even solidifying
Gu the lubricant effect so as to cause lubricating oil is deteriorated, the resistance that starting fan needs to overcome increases.In addition, fan uses one section
After time, lubricating oil oil fraction can be vapored away, and be started just more difficult.Which results in the warm-air driers newly bought to purchase on market
Be when buying it is normal, cannot be started after having put a period of time at home, even warm-air drier daytime with when be just
It is normal, at night or encountering the phenomenon that cannot starting after big cooling suddenly instead.The essential reason of the above phenomenon is due to wind
Fan rubs in low temperature to become larger, and startup power increases accordingly, and input power is constant, leads to fan governor underpower,
Power reset cannot normally start so as to cause fan.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of dresses for controlling starting fan
Set, method and using the device warm-air drier.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of device for controlling starting fan, comprising:
Division module is connected with fan, for dividing when not being short-circuited to fan；
Short block, it is in parallel with the division module, for the short-circuit division module at work；
Control module is connect with the short block, is lower than preset temperature time control for the environment temperature locating for fan
It makes the short block not work, and controls the short block work when being higher than preset temperature.
Optionally, the short block includes: transistor；
The control module includes: thermistor, and the thermistor is negative tempperature coefficient thermistor；
The control terminal of the transistor is connected with the thermistor, two non-controlling ends of the transistor with described point
The both ends of die block are in parallel.
Optionally, the transistor includes: triode or field-effect tube.
Optionally, the short block includes: electronic switch；
The control module includes: controller；
The device further include: temperature sensor；
The temperature sensor is for detecting environment temperature locating for fan；
The controller, which is used to control the electronic switch when the environment temperature is lower than preset temperature to be in, disconnects shape
State, and the electronic switch is controlled in an ON state when the environment temperature is higher than preset temperature.
The present invention also provides a kind of warm-air driers, comprising:
Heater；
For carrying out cooling fan to the heater；And
Such as the described in any item devices in front.
Optionally, the heater is PTC heater, electrothermal film heater or electrothermal wire heating's body.
The present invention also provides a kind of methods for controlling starting fan, comprising:
Obtain environment temperature locating for fan；
When the environment temperature is lower than preset temperature, the under-voltage starting of fan is controlled.
Optionally, the under-voltage starting of the control fan, comprising:
Control works with the concatenated division module of fan, to reduce the operating voltage of fan.
Optionally, the control works with the concatenated division module of fan, comprising:
It controls the short block in parallel with division module and is in off state.
Optionally, further includes:
When the environment temperature is higher than preset temperature, control fan is operated with normal voltage.
Optionally, the control fan is operated with normal voltage, comprising:
The short block in parallel with division module is controlled in an ON state, so that at the concatenated division module of fan
In short-circuit condition.
The invention adopts the above technical scheme, when being lower than preset temperature by environment temperature of the control module locating for fan
Control short block does not work, and can guarantee that division module is not short-circuited when short block does not work, so that division module can be with
Fan is divided, the operating voltage of fan can be thus reduced, fan operating voltage reduce after, so that it may compared with
Start under small power, to guarantee the under-voltage starting of fan when low temperature.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that the Installation practice one of present invention control starting fan provides；
Fig. 2 is the structural schematic diagram that the Installation practice two of present invention control starting fan provides；
Fig. 3 is the structural schematic diagram that warm-air drier embodiment one of the present invention provides；
Overall structure diagram when Fig. 4 is warm-air drier embodiment one of the present invention work；
Fig. 5 is the structural schematic diagram that warm-air drier embodiment two of the present invention provides；
Fig. 6 is the flow diagram that the embodiment of the method one of present invention control starting fan provides；
Fig. 7 is the flow diagram that the embodiment of the method two of present invention control starting fan provides.
In figure: 1, fan；2, heater；3, control module；4, temperature sensor；5, division module；6, short block；7,
Triode；8, thermistor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Fig. 1 is a kind of structural schematic diagram of device for controlling starting fan provided by the invention.
In embodiment one, the device of the control starting fan includes:
Division module 5 is connected with fan 1, for dividing when not being short-circuited to fan 1；
Short block 6, it is in parallel with the division module 5, for the short-circuit division module 5 at work；
Control module 3 is connect with the short block 6, when being lower than preset temperature for the environment temperature locating for fan 1
It controls the short block 6 not work, and controls the short block 6 when being higher than preset temperature and work.
It should be noted that the division module 5 includes but is not limited to divider resistance, as long as having certain resistance value, energy
Enough get 1 certain voltage of fan, enables the electronic component of the under-voltage starting of fan 1.
The short block 6 includes: transistor, the transistor may is that triode 7, field-effect tube, diode or its
He can play the component of on-off action.
The control module 3 includes: thermistor 8, and the thermistor 8 can be negative tempperature coefficient thermistor, i.e.,
When temperature is higher, resistance value is lower.Correspondingly, by transistor be triode 7 for, triode 7 be when control terminal electric current compared with
Hour is in an off state, and in the conductive state when the electric current of control terminal is larger.
It is understood that in actual use, the division module 5 is connected with after the coupled in parallel with fan 1
Connection；The control terminal of the thermistor 8 and the transistor is connected in series.
When fan 1 starts starting, environment temperature locating for fan 1 is lower, at this point, the resistance value of thermistor 8 is very big, with
It is powered on as the branch where short block 6 and flows through small, caused transistor that cannot be connected, be in an off state.1 both ends of fan
Voltage has been fallen a part with the concatenated division module 5 (e.g., divider resistance) of fan 1 point, so as to cause the voltage at 1 both ends of fan
It reduces, fan 1 is able to carry out under-voltage starting.
After 1 under-voltage starting of fan, environment temperature locating for fan 1 can be gradually risen, when thermistor 8 senses temperature
It increases, the resistance value of thermistor 8 just declines, so that electric current increases on the branch where short block 6, transistor is caused to be led
It is logical, with regard to short circuit divider resistance after transistor turns, so that the voltage at 1 both ends of fan reaches voltage rating, 1 energy of fan
It is enough to be worked with voltage rating.
The present embodiment passes through the size of the environment temperature according to locating for fan 1 of control module 3, is to control short block 6
It is no that short circuit is carried out to division module 5, it realizes when ambient temperatures are low, the under-voltage starting of fan 1, and when environment temperature is high
When, fan 1 is worked with voltage rating.Present apparatus structure is simple, and production cost is low.
In addition, the present embodiment controls the disconnection and connection of short block 6 by the change in resistance of thermistor 8, i.e., it is logical
The on-off that thermistor 8 controls transistor is crossed, not only taking full advantage of thermistor 8 has temperature sensitive properties, can be not
Different resistance characteristics is shown at a temperature of, and also uses transistor and responds fast advantage as control switch, it is whole
A apparatus structure is simple, without the additional chip for data processing.
As shown in Fig. 2, the present invention also provides the structural schematic diagram of the device of another control starting fan, embodiment two
In, the device of the control starting fan includes:
Division module 5 is connected with fan 1, for dividing when not being short-circuited to fan 1；
Short block 6, it is in parallel with the division module 5, for the short-circuit division module 5 at work；
Control module 3 is connect with the short block 6, when being lower than preset temperature for the environment temperature locating for fan 1
It controls the short block 6 not work, and controls the short block 6 when being higher than preset temperature and work.
The short block 6 includes: electronic switch；
The control module 3 includes: controller；
The device further include: temperature sensor 4；
The temperature sensor 4 is for detecting environment temperature locating for fan 1；
The controller, which is used to control the electronic switch when the environment temperature is lower than preset temperature to be in, disconnects shape
State, and the electronic switch is controlled in an ON state when the environment temperature is higher than preset temperature.
In actual use, it after the division module 5 is in parallel with the short block 6, is connected in series with the fan 1；
The short block 6 is also electrically connected with the controller；
The temperature sensor 4 is arranged in around the heater 2 that (position can change, as long as wind can be sensed
The hot wind of 1 blowout of fan), the temperature sensor 4 is electrically connected with the controller；
The temperature sensor 4 acquires the temperature information around the heater 2, and the temperature information is sent to described
Controller, the controller control the short block 6 according to the temperature information received.
Embodiment two what is different from the first embodiment is that embodiment first is that by thermistor 8 according to variation of ambient temperature
So that itself resistance value is changed, to control switching on and off for short block 6, controller is not needed in embodiment one, implements
The actual temp size of perception environment is not needed in example one yet.And in embodiment two, it is to be sent out by 4 real-time detection of temperature sensor
Ambient temperature information around hot body 2, and the temperature information is sent to controller, there is a default temperature inside controller
Degree, when the temperature that temperature sensor 4 detects is less than preset temperature, the controller control electronic switch is disconnected；When temperature passes
When the temperature that sensor 4 detects is more than or equal to preset temperature, the controller control electronic switch is in an ON state.
It is understood that detecting the temperature information around heater 2 by temperature sensor 4 in embodiment two, and lead to
It crosses controller to be compared the temperature information that temperature sensor 4 detects with preset temperature, short circuit is controlled according to comparative structure
Whether module 6 carries out short circuit to division module 5.Structure in embodiment two is simple, and working principle is clearly simple, production cost
It is low；The device can carry out the working condition of real-time control short block 6 according to 2 ambient temperature size of heater, realize in low temperature
When, the under-voltage starting of fan 1；In non-cryogenic, fan 1 is operated with normal voltage.
Corresponding with two kinds of embodiments of device that control fan 1 described above starts, the present invention also provides warm-air driers
Two embodiments.
As shown in figure 3, the warm-air drier in embodiment one includes:
Fan 1, heater 2, triode 7, thermistor 8 and division module 5；
Wherein, the heater 2 is located at the front end of the fan 1, and the fan 1 radiates to the heater 2；
After the division module 5 is in parallel with the triode 7, it is connected in series with the fan 1；
The base stage of the thermistor 8 and the triode 7 is connected in series；The thermistor 8 is located at the week of heater 2
It encloses.
Further, the position of thermistor 8, thus it is possible to vary, it is not necessarily intended to put heater 2 all around, as long as energy
Sense hot wind.
Further, the thermistor 8 is negative tempperature coefficient thermistor, i.e., when temperature is higher, resistance value is lower.
In actual use, due to fan 1, in cold-starting, frictional force becomes larger, and startup power increases accordingly, and defeated
Enter power invariability, leads to 1 controller underpower of fan, cannot normally start.The present embodiment is exactly by reducing opening for fan 1
Dynamic power, makes fan 1 realize under-voltage starting.The operating voltage of fan 1 is all in certain voltage range, for example, electric heating
1 operating voltage of DC fan inside device is 5V-13.5V, voltage rating 12V, and the power of fan 1 is under voltage rating
3.6W, if the starting voltage of fan is dropped to 6V, the power of fan falls to 0.6W.Based on principles above, below to warm wind
The start-up course of machine is described further:
Fig. 4 is overall structure diagram when warm-air drier works.When blower starting, thermistor 8 incudes external warm
Spend lower, at this point, 8 resistance value of thermistor is larger, the voltage that thermistor 8 divides is larger, causes triode 7 to fail to open, wind
The voltage for fanning 1 both ends has fallen a part by the concatenated division module 5 (e.g., divider resistance) of fan 1 point, so as to cause 1 liang of fan
The voltage at end reduces, and such as becomes 6V from original 12V, the power of fan 1 becomes 0.6W at this time, is easier to start, when power supply is defeated
In the case that power is constant out, even if frictional force becomes larger at this time, fan 1 also can be realized under-voltage starting.
After fan 1 rotates, the heater 2 on warm-air drier is started to work, and the temperature that thermistor 8 incudes increases, at this time
8 resistance value of thermistor just declines, and the voltage got also declines therewith, and triode 7 is caused to be connected, just short after triode 7 is connected
Road divider resistance, so that the voltage at 1 both ends of fan reaches voltage rating 12V, fan 1 is worked normally.
The present embodiment realizes the under-voltage starting of fan in low temperature；And after starting fan, fan can be guaranteed with just
Normal voltage operating.Fan low temperature not starting problem is not only solved, after also solving cold-starting, fan cannot run well and ask
Topic.
As shown in figure 5, the warm-air drier in embodiment two includes:
Fan 1, heater 2, controller 3, temperature sensor 4, division module 5 and short block 6；
Wherein, the heater 2 is located at the front end of the fan 1, and the fan 1 radiates to the heater 2；
After the division module 5 is in parallel with the short block 6, it is connected in series with the fan 1；
The short block 6 is also electrically connected with the master controller 3；
The temperature sensor 4 is arranged in around the heater 2, the temperature sensor 4 and the master controller 3
Electrical connection；
The temperature sensor 4 acquires the temperature information around the heater 2, and the temperature information is sent to described
Master controller 3, the master controller 3 control the short block 6 according to the temperature information received.
In actual use, when warm-air drier is just switched on, temperature sensor 4 incudes the temperature information around heater 2, and will
The temperature information sends master controller 3 to, and since environment temperature is lower, i.e. the surface temperature of heater 2 is lower, master controller 3
Judge that the temperature that temperature sensor 4 acquires is less than preset temperature, master controller 3 then disconnects short block 6, so that with short-circuit mould
The mutually parallel division module 5 of block 6 divides fan 1, and the voltage at 1 both ends of fan can become 6V from original 12V, at this time wind
The power of fan 1 becomes 0.6W, is easier to start, in the case that output power of power supply is constant, even if frictional force becomes larger at this time, and wind
Fan 1 also can be realized under-voltage starting.
After fan 1 operates, the heater 2 on warm-air drier is started to work, and the temperature value that temperature sensor 4 incudes increases,
Master controller 3 judges that the temperature that temperature sensor 4 acquires is greater than or equal to preset temperature, and master controller 3 then connects short-circuit mould
Block 6 makes fan 1 obtain voltage rating with the short circuit division module 5 mutually parallel with short block 6, realizes that fan 1 runs well.
At this point, the lubricating oil in fan 1 can melt because of heated since heater 2 is started to work, lubrication can be preferably played,
The effect for reducing friction, so fan 1 can run well always.
The present embodiment can adjust the voltage at 1 both ends of fan according to 2 temperature of heater, to adjust the starting function of fan 1
Rate realizes the under-voltage starting of fan 1 in cold-starting；And after 2 temperature of heater increases, the voltage of fan 1 is restored
To voltage rating, guarantee the normal operation of fan 1.The present embodiment not only solves 1 low temperature of fan not starting problem, also solves
After cold-starting, fan 1 cannot run well problem.
Further, heater 2 described in the present embodiment is PTC heater, electrothermal film heater or electrothermal wire heating
Body.
As shown in fig. 6, the present invention also provides a kind of embodiments of method for controlling starting fan.
The method of the present embodiment one includes:
S11: environment temperature locating for fan is obtained；
Further, environment temperature locating for the acquisition fan can be is passed by the temperature being arranged in around heater
What sensor was realized.
S12: when the environment temperature is lower than preset temperature, the under-voltage starting of fan is controlled.
Further, the under-voltage starting of the control fan, comprising:
Control works with the concatenated division module of fan, to reduce the operating voltage of fan.
Further, the control works with the concatenated division module of fan, comprising:
It controls the short block in parallel with division module and is in off state.
Specifically, judging whether the temperature around heater is less than preset temperature；If the temperature around heater is less than
Preset temperature then disconnects short block, so that the division module mutually parallel with short block divides fan, realizes fan
Under-voltage starting.
Fig. 7 is the flow diagram of the method for another control starting fan provided by the invention.
The method of the present embodiment two includes:
S21: environment temperature locating for fan is obtained；
S22: judge whether the environment temperature is less than preset temperature；
If the environment temperature is less than preset temperature, short block is disconnected, so that point mutually parallel with short block
Die block divides fan, realizes the under-voltage starting of fan, after starting that fan is under-voltage, executes S21；
S23: it if the environment temperature is greater than or equal to preset temperature, controls fan and is operated with normal voltage.
Further, the control fan is operated with normal voltage, comprising:
It is in running order to control the short block in parallel with division module, so that the partial pressure mould with fan modules in series
Block is in short-circuit condition.That is, connecting short block, with the short circuit division module mutually parallel with short block, make fan
Voltage rating is obtained, realizes that fan runs well.
Using the warm-air drier of the control method for starting fan, when starting at low ambient temperatures, when due to starting starting, obtain
Environment temperature it is lower, S22 can be first carried out by the under-voltage starting of fan, after starting fan, make environment temperature through over-blowing heater
It increases, the environment temperature obtained at this time is higher, when being greater than or equal to preset temperature, can execute S23, fan can be transported with normal voltage
Turn.
If warm-air drier starts under room temperature or hot environment, S23 can be directly executed, fan is transported with normal voltage
Turn.
Method described in the present embodiment realizes the under-voltage starting of fan in low temperature；It, can and after starting fan
Guarantee that fan is operated with normal voltage.Fan low temperature not starting problem is not only solved, after also solving cold-starting, fan is not
Can run well problem.
It is understood that the concrete processing procedure in above steps may refer to the phase in Installation practice inside the Pass
Hold, this will not be detailed here.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (13)
1. a kind of device for controlling starting fan characterized by comprising
Division module is connected with fan, for dividing when not being short-circuited to fan；
Short block, it is in parallel with the division module, for the short-circuit division module at work；
Control module is connect with the short block, controls institute when being lower than preset temperature for the environment temperature locating for fan
It states short block not work, and controls the short block work when being higher than preset temperature.
2. the apparatus according to claim 1, which is characterized in that
The short block includes: transistor；
The control module includes: thermistor；
The control terminal of the transistor is connected with the thermistor, two non-controlling ends of the transistor and the partial pressure mould
The both ends of block are in parallel.
3. the apparatus of claim 2, which is characterized in that the transistor includes: triode or field-effect tube.
4. the apparatus of claim 2, which is characterized in that the thermistor is negative tempperature coefficient thermistor.
5. the apparatus according to claim 1, which is characterized in that
The short block includes: electronic switch；
The control module includes: controller；
The device further include: temperature sensor；
The temperature sensor is for detecting environment temperature locating for fan；
The controller is used to control the electronic switch when the environment temperature is lower than preset temperature and be in an off state, with
And the electronic switch is controlled in an ON state when the environment temperature is higher than preset temperature.
6. the apparatus according to claim 1, which is characterized in that the division module includes: divider resistance.
7. a kind of warm-air drier characterized by comprising
Heater；
For carrying out cooling fan to the heater；And
Such as device as claimed in any one of claims 1 to 6.
8. warm-air drier according to claim 7, which is characterized in that the heater is PTC heater, electrothermal film heater
Or electrothermal wire heating's body.
9. a kind of method for controlling starting fan characterized by comprising
Obtain environment temperature locating for fan；
When the environment temperature is lower than preset temperature, the under-voltage starting of fan is controlled.
10. according to the method described in claim 9, it is characterized in that, the under-voltage starting of the control fan, comprising:
Control works with the concatenated division module of fan, to reduce the operating voltage of fan.
11. according to the method described in claim 10, it is characterized in that, the control works with the concatenated division module of fan,
Include:
It controls the short block in parallel with division module and is in off state.
12. according to the described in any item methods of claim 9 to 11, which is characterized in that further include:
When the environment temperature is higher than preset temperature, control fan is operated with normal voltage.
13. according to the method for claim 12, which is characterized in that the control fan is operated with normal voltage, comprising:
The short block in parallel with division module is controlled in an ON state, so that being in short with the concatenated division module of fan
Line state.
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| CN201810617977.6A CN108953182B (en) | 2018-06-14 | 2018-06-14 | Control device, method and the warm-air drier using the device of starting fan |
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| CN201810617977.6A CN108953182B (en) | 2018-06-14 | 2018-06-14 | Control device, method and the warm-air drier using the device of starting fan |
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| CN108953182B CN108953182B (en) | 2019-10-25 |
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| CN108953182B (en) | 2019-10-25 |
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