CN205533334U - Domestic appliance single coil radiator fan - Google Patents
Domestic appliance single coil radiator fan Download PDFInfo
- Publication number
- CN205533334U CN205533334U CN201620109173.1U CN201620109173U CN205533334U CN 205533334 U CN205533334 U CN 205533334U CN 201620109173 U CN201620109173 U CN 201620109173U CN 205533334 U CN205533334 U CN 205533334U
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- CN
- China
- Prior art keywords
- current
- unicoil
- radiator fan
- quadrupole
- alternating current
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a domestic appliance radiator fan fan field, concretely relates to domestic appliance single coil radiator fan, quadrupole stator cover is established at well outside of tubes, around being equipped with single coil in order to provide induced electromotive force on the quadrupole stator. On the one hand for quadrupole radiator fan stator only need around establish single coil can, the temperature rise is low, on the other hand owing to adopt single coil, stator structure is simple, small, output is high, work efficiency is high, and the manufacturability is good, the solder joint is few, bad less, the performance is good, the winding process of coil is used manpower sparingly, the third owing to be single coil, the electric current is positive reverse switching the constantly wherein, so the coil is in operating condition always, work efficiency is high.
Description
Technical field
This utility model relates to household electrical appliance radiator fan field, particularly relates to a kind of household electrical appliance unicoil radiator fan.
Background technology
Household electrical appliance radiator fan is mainly made up of casing, main shaft, flabellum, bearing transmission mechanism and quadrupole radiator fan etc., wherein, quadrupole radiator fan use twin coil produce induction electromotive force, its major defect existed is: 1, owing to there being two coils, temperature rise, 2, inefficiency, 3, the manufacture process of twin coil is loaded down with trivial details, solder joint is many, bad point is many, poor-performing, 4, the coiling of twin coil need to expend more manpower, and 5, waste raw material copper cash, strengthen production cost.
Utility model content
For solving the problems referred to above, this utility model provides a kind of household electrical appliance unicoil radiator fan, by using unicoil, temperature rise is low, efficiency is high, solder joint is few, bad point less, coil working performance is good and the coiling saving manpower of coil.
This utility model be the technical scheme is that the household electrical appliance radiator fan fan comprising the quadrupole radiator fan of unicoil, the quadrupole radiator fan including support, being installed on support and flabellum, described flabellum is installed on quadrupole radiator fan output shaft by bearing holder (housing, cover)；Unicoil it is arranged with to provide induction electromotive force on the stator of described quadrupole radiator fan.
Being improved to further technique scheme, described monocoil drive circuit includes the DC source being sequentially connected with, current adjustment unit, alternating current generating unit, coil, rotating speed detecting and signal conversion unit, described current adjustment unit processes to obtain galvanic current for the unidirectional current providing DC source, described alternating current generating unit for being converted to the alternating current of assigned frequency by unidirectional current, described coil is unicoil, it is set around on quadrupole cooling fan rotor, when alternating current by time produce variable magnetic field, quadrupole cooling fan rotor is rotated, the detecting of described rotating speed and signal conversion unit are for detecting the rotating speed of quadrupole cooling fan rotor and tach signal being converted into curtage signal, it is transferred to monitoring device.
Being improved to further technique scheme, described current adjustment unit includes the reversal protector being sequentially connected to DC source, power filter suppressor, bias generator and chopper amplifier, when described DC source both positive and negative polarity connects inverse time, described reversal protector in order to protect DC source in case being burned, described power filter suppressor is in order to filter off the burr on DC source to obtain galvanic current, described bias generator is in order to provide bias voltage, described chopper amplifier is in order to amplify to obtain the unidirectional current of adjustable voltage value by galvanic current, described chopper amplifier is also associated with detecting the Hall element amplifying voltage swing.
Being improved to further technique scheme, described alternating current generating unit includes digital control logic intervalometer and the H bridge agitator EFT Drive Unit being sequentially connected to chopper amplifier, described digital control logic intervalometer is also associated with agitator and reset power, described agitator provides frequency signal to act on described digital control logic intervalometer, to control described H bridge agitator EFT Drive Unit, unidirectional current is converted to the alternating current of assigned frequency, described reset power is for powering to it when digital control logic intervalometer returns to original state, it is made to restart work.
Being improved to further technique scheme, described current adjustment unit includes power filter suppressor, reversal protector and the amplifier being sequentially connected to DC source, and described amplifier is also associated with detecting the Hall element amplifying voltage swing.
Being improved to further technique scheme, described alternating current generating unit includes being sequentially connected to the Schmidt trigger of described amplifier, pre-driver and H bridge transistor output device, for galvanic current is converted to the alternating current of changeable frequency.
This utility model provides the benefit that compared to existing technology:
Quadrupole stator uses unicoil, converts electrical energy into mechanical energy, on the one hand, owing to only needing winding single coil, temperature rise is low；On the other hand, owing to using unicoil, quadrupole stator structure is simple, volume is little and good manufacturability, and solder joint is few, bad less, performance is good, and the winding process of coil saves raw material with artificial；3rd, owing to being unicoil, the most forward and reverse switching of electric current, therefore coil is constantly in duty, and work efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is explosive view of the present utility model；
Fig. 3 is the unicoil driving circuit principle figure in this utility model embodiment 1；
Fig. 4 is the unicoil driving circuit principle figure in this utility model embodiment 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
As depicted in figs. 1 and 2, structural representation the most of the present utility model and explosive view.
A kind of household electrical appliance unicoil radiator fan 100, including flabellum 110, bearing 120, quadrupole stator 130, support 140, flabellum 110 central authorities are provided with a through hole, it is provided with metal shaft in through hole and is sheathed on the magnet ring 160 outside metal shaft, support 140 is provided with the middle pipe 170 of fixing quadrupole stator 130, quadrupole stator 130 is set in outside middle pipe 170, quadrupole stator 130 is arranged with unicoil 131 to provide induction electromotive force.
Embodiment 1:
As in figure 2 it is shown, be the unicoil driving circuit principle figure of this utility model embodiment 1.
Unicoil drive circuit, including the DC source being sequentially connected with, current adjustment unit, alternating current generating unit, coil, rotating speed detecting and signal conversion unit.
Current adjustment unit processes to obtain galvanic current for the unidirectional current providing DC source; including being sequentially connected to power filter suppressor, reversal protector and the amplifier of DC source, amplifier is also associated with detecting the Hall element amplifying voltage swing.
Alternating current generating unit for being converted to the alternating current of assigned frequency by unidirectional current, including being sequentially connected to the Schmidt trigger of amplifier, pre-driver and H bridge transistor output device.
Coil is unicoil, is set around on quadrupole cooling fan rotor, when alternating current by time produce variable magnetic field so that quadrupole cooling fan rotor rotate.
Rotating speed detecting and signal conversion unit are for detecting the rotating speed of quadrupole cooling fan rotor and tach signal being converted into curtage signal, it is transferred to monitoring device, the colelctor electrode output device amplified including the output speed detection sensor and transistor being connected to coil.
Its operation principle is: 1, DC source is powered, and produces unidirectional current.2, unidirectional current is processed by current adjustment unit, obtains smooth unidirectional current.When DC source both positive and negative polarity connects inverse time; reversal protector in order to protect DC source in case being burned; power filter suppressor is in order to filter off the burr on DC source to obtain galvanic current; amplifier is in order to provide bias voltage; chopper amplifier is in order to amplify to obtain the unidirectional current of adjustable voltage value by galvanic current; Hall element detection chopper amplifier both end voltage size, to obtain the steady unidirectional current needing magnitude of voltage.3, alternating current generating unit for being converted to the alternating current of assigned frequency by unidirectional current, wherein, agitator: be a frequency source, can be by converting direct-current power into alternating-current power, thus produce a clock signal, for digital control logic intervalometer, the alternating current of the assigned frequency that unidirectional current is converted to, the alternating voltage of digital control logic intervalometer output controls the Guan Bi of H bridge switch and disconnects, thus unidirectional current is converted to the alternating current of changeable frequency, it is achieved drive the function that quadrupole cooling fan rotor rotates.4, when there being alternating current to pass through, coil can produce variable magnetic field so that quadrupole cooling fan rotor rotates, and during this, when digital control logic intervalometer returns to original state, reset power makes it restart work its power supply.5, in quadrupole cooling fan rotor rotary course, output speed detection sensor detects the rotating speed of quadrupole cooling fan rotor, tach signal is converted into curtage signal by the colelctor electrode output device amplified by transistor again so that it is its equipment can monitor quadrupole radiating fan rotation speed.
By this circuit, unidirectional current is converted to alternating current, act on quadrupole cooling fan rotor, convert electrical energy into mechanical energy, on the one hand, quadrupole cooling fan rotor is made only to need winding single coil, temperature rise is low, on the other hand, owing to using unicoil, quadrupole cooling fan structure is simple, volume is little, output is high, work efficiency is high, and good manufacturability, solder joint is few, bad point is few, performance is good, the winding process of coil saves manpower, 3rd, owing to being unicoil, the most forward and reverse switching of electric current, therefore coil and iron core are constantly in duty, work efficiency is high.
Embodiment 2:
As it is shown on figure 3, be the unicoil driving circuit principle figure of this utility model embodiment 2.
Unicoil drive circuit, including the DC source being sequentially connected with, current adjustment unit, alternating current generating unit, coil, rotating speed detecting and signal conversion unit.Wherein, DC source, current adjustment unit and rotating speed detecting and signal conversion unit are the most earthy with protection circuit.
Current adjustment unit processes to obtain galvanic current for the unidirectional current providing DC source; including being sequentially connected to the reversal protector of DC source, power filter suppressor, bias generator and chopper amplifier, chopper amplifier is also associated with detecting the Hall element amplifying voltage swing.
Alternating current generating unit for being converted to the alternating current of assigned frequency by unidirectional current, including being sequentially connected to the Schmidt trigger of amplifier, pre-driver and H bridge transistor output device.
Coil is unicoil, is set around on quadrupole cooling fan rotor, when alternating current by time produce variable magnetic field so that quadrupole cooling fan rotor rotate.
Rotating speed detecting and signal conversion unit are for detecting the rotating speed of quadrupole cooling fan rotor and tach signal being converted into curtage signal, it is transferred to monitoring device, the colelctor electrode output device amplified including the output speed detection sensor and transistor being connected to coil.
Its operation principle is: 1, DC source is powered, and produces unidirectional current.2, unidirectional current is processed by current adjustment unit, obtains smooth unidirectional current.When DC source both positive and negative polarity connects inverse time; reversal protector in order to protect DC source in case being burned; power filter suppressor is in order to filter off the burr on DC source to obtain galvanic current; amplified by amplifier again; to obtain the steady unidirectional current needing magnitude of voltage; during this, Hall element is in order to detect the voltage at amplifier two ends.3, alternating current generating unit for being converted to the alternating current of assigned frequency by unidirectional current, wherein, Schmidt trigger constitutes multivibrator, act on pre-driver, again by H bridge transistor output device, galvanic current to be converted to the alternating current of changeable frequency, it is achieved drive the function that quadrupole cooling fan rotor rotates.4, when there being alternating current to pass through, coil can produce variable magnetic field so that quadrupole cooling fan rotor rotates, and during this, when digital control logic intervalometer returns to original state, reset power makes it restart work its power supply.5, in quadrupole cooling fan rotor rotary course, output speed detection sensor detects the rotating speed of quadrupole cooling fan rotor, tach signal is converted into curtage signal by the colelctor electrode output device amplified by transistor again so that it is its equipment can monitor quadrupole radiating fan rotation speed.
By this circuit, unidirectional current is converted to alternating current, act on quadrupole cooling fan rotor, convert electrical energy into mechanical energy, on the one hand, quadrupole cooling fan rotor is made only to need winding single coil, temperature rise is low, on the other hand, owing to using unicoil, quadrupole cooling fan structure is simple, volume is little, output is high, work efficiency is high, and good manufacturability, solder joint is few, bad point is few, performance is good, the winding process of coil saves manpower, 3rd, owing to being unicoil, the most forward and reverse switching of electric current, therefore coil and iron core are constantly in duty, work efficiency is high.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (6)
1. a household electrical appliance unicoil radiator fan, including flabellum, bearing, quadrupole stator, support, wiring board, flabellum is provided with metal shaft and magnet ring, and support is provided with the middle pipe for fixing quadrupole stator, and quadrupole stator sleeve is located at outside middle pipe；Bearing holder (housing, cover) is located in blower tray in pipe, it is characterised in that: it is arranged with unicoil on described quadrupole stator to provide induction electromotive force.
nullA kind of household electrical appliance unicoil radiator fan the most according to claim 1，It is characterized in that: described monocoil drive circuit includes the DC source being sequentially connected with、Current adjustment unit、Alternating current generating unit、Coil、Rotating speed detecting and signal conversion unit，Described current adjustment unit processes to obtain galvanic current for the unidirectional current providing DC source，Described alternating current generating unit for being converted to the alternating current of assigned frequency by unidirectional current，Described coil is unicoil，It is set around on quadrupole stator，When alternating current by time produce variable magnetic field，Described magnetic field forms homopolar-repulsion with the magnetic field of flabellum upper magnetic ring，Described flabellum rotates under magnetic force moving，The detecting of described rotating speed and signal conversion unit are for detecting the rotating speed of quadrupole stator and tach signal being converted into curtage signal，It is transferred to monitoring device.
A kind of household electrical appliance unicoil radiator fan the most according to claim 2, it is characterized in that: described current adjustment unit includes being sequentially connected to the reversal protector of DC source, power filter suppressor, bias generator and chopper amplifier, when described DC source both positive and negative polarity connects inverse time, described reversal protector in order to protect DC source in case being burned, described power filter suppressor is in order to filter off the burr on DC source to obtain galvanic current, described bias generator is in order to provide bias voltage, described chopper amplifier is in order to amplify to obtain the unidirectional current of adjustable voltage value by galvanic current, described chopper amplifier is also associated with detecting the Hall element amplifying voltage swing.
A kind of household electrical appliance unicoil radiator fan the most according to claim 3, it is characterized in that: described alternating current generating unit includes being sequentially connected to digital control logic intervalometer and the H bridge agitator EFT Drive Unit of chopper amplifier, described digital control logic intervalometer is also associated with agitator and reset power, described agitator provides frequency signal to act on described digital control logic intervalometer, to control described H bridge agitator EFT Drive Unit, unidirectional current is converted to the alternating current of assigned frequency, described reset power is for powering to it when digital control logic intervalometer returns to original state, it is made to restart work.
A kind of household electrical appliance unicoil radiator fan the most according to claim 2; it is characterized in that: described current adjustment unit includes being sequentially connected to power filter suppressor, reversal protector and the amplifier of DC source, described amplifier is also associated with detecting the Hall element amplifying voltage swing.
A kind of household electrical appliance unicoil radiator fan the most according to claim 5, it is characterized in that: described alternating current generating unit includes being sequentially connected to the Schmidt trigger of described amplifier, pre-driver and H bridge transistor output device, for galvanic current being converted to the alternating current of changeable frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109173.1U CN205533334U (en) | 2016-02-03 | 2016-02-03 | Domestic appliance single coil radiator fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109173.1U CN205533334U (en) | 2016-02-03 | 2016-02-03 | Domestic appliance single coil radiator fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533334U true CN205533334U (en) | 2016-08-31 |
Family
ID=56776715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620109173.1U Expired - Fee Related CN205533334U (en) | 2016-02-03 | 2016-02-03 | Domestic appliance single coil radiator fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533334U (en) |
-
2016
- 2016-02-03 CN CN201620109173.1U patent/CN205533334U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |