CN207195259U - A kind of control system of bladeless fan - Google Patents
A kind of control system of bladeless fan Download PDFInfo
- Publication number
- CN207195259U CN207195259U CN201721289175.4U CN201721289175U CN207195259U CN 207195259 U CN207195259 U CN 207195259U CN 201721289175 U CN201721289175 U CN 201721289175U CN 207195259 U CN207195259 U CN 207195259U
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- wire harness
- circuit
- control system
- bladeless fan
- driving
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Abstract
It the utility model is related to household electrical appliance, particularly a kind of control system of bladeless fan, including control circuit board and functional arrangement plate, wherein, electrically connected between the control circuit board and functional arrangement plate by wire harness, the functional arrangement plate is provided with the operation device and display device for providing man-machine interaction, the control circuit board is connected with external power source, the control circuit board provides power supply by the first wire harness to the functional arrangement plate, the functional arrangement plate is provided with the driving chip of driving display device, the driving chip passes through the second wire harness and the intercommunication of control circuit board, first wire harness and the second wire harness are integrated winding displacement.By the way that control system is separately positioned on two wiring boards so that each wiring board has corresponding function, is so easy to installation of the wiring board in bladeless fan, and functional arrangement plate can be installed on user-friendly position.
Description
Technical field
Household electrical appliance are the utility model is related to, particularly a kind of control system of bladeless fan.
Background technology
Bladeless fan due to its without flabellum so as to the security of phase brought, it is increasingly received by people, and just
It is due to that it does not possess flabellum so that larger difference with conventional fan in the selection of motor be present in it, and in control wind
To larger difference being all present during conversion and human-machine operation, such as, conventional fan need to only carry out shaking the head and can making
Wind direction is obtained to be changed, so controlled mechanical switch is set on the fan head of fan, but due to its motor of bladeless fan
Internally, the position for mainly changing air channel changes wind direction, so traditional control system will can not meet the control of bladeless fan
Demand processed.
In addition, with the continuous development of control technology, the science and technology of man-machine interaction requires more and more higher, so bladeless fan
Typically corresponding operation interface or display interface can be all set greatly to lift experience property, still so that user is operated
This adds increased the reliability requirement to bladeless fan system.
Utility model content
The utility model provides a kind of control system of safe and reliable, simple system bladeless fan.
A kind of control system of bladeless fan, including control circuit board and functional arrangement plate, wherein, the control circuit
Electrically connected between plate and functional arrangement plate by wire harness, the functional arrangement plate be provided with provide man-machine interaction operation device and
Display device, the control circuit board are connected with external power source, and the control circuit board gives the operation lines by the first wire harness
Road plate provides power supply, and the functional arrangement plate is provided with the driving chip of driving display device, and the driving chip passes through second
The intercommunication of wire harness and control circuit board, first wire harness and the second wire harness are integrated winding displacement.
Further, the control circuit board is provided with controlling power circuit and driving power circuit.
Further, the controlling power circuit is Switching Power Supply, and the operation circuit plate is electrically connected by the first wire harness
In the output end of the Switching Power Supply.
Further, the bladeless fan comprises at least a blower fan and a change wind direction for being used for driving generation distinguished and admirable
Direction motor, the blower fan is brshless DC motor, and the direction motor is claw-pole permanent magnet synchronous motor, it is described driving electricity
Source circuit includes direction motor drive power supply circuit, blower fan driving power circuit, the controlling power circuit, blower fan driving power
Circuit is connected by rectification circuit with external power source.
Further, the blower fan driving power circuit is included by three groups of drivings, every group of driving include two MOS field effect transistors with
One Charge Management controller.
Further, the direction motor drive power supply circuit is light-coupled isolation driving power circuit.
Further, the light-coupled isolation driving power circuit includes optocoupler, and two output ends of the optocoupler, which are provided with, protects
Protect resistance.
Further, rectification circuit is the bridge rectifier of four diodes composition, the bridge rectifier it is defeated
Go out end and be provided with filter capacitor.
Further, the capacitance of the filter capacitor is not less than 100uf.
Further, the operation circuit plate is electrically connected to external power source on the control circuit board by the first wire harness
End, the operation circuit plate are provided with the power circuit for being available for operation circuit plate to work.
The beneficial effects of the utility model are：Using above-mentioned technical proposal, by the way that control system is separately positioned on into two
On wiring board so that each wiring board has corresponding function, is so easy to installation of the wiring board in bladeless fan, and grasp
User-friendly position can be installed on by making wiring board.By giving the functional arrangement plate to provide work from control circuit board
Make power supply, facilitate the wire harness annexation inside machine, avoid wire harness connection entanglement, improve processing technology, be advantageous to
The production and processing of product, while also save corresponding resource.The driving chip of display device is set on functional arrangement plate, carried
Driving force has been risen, has been avoided due to too high to front-end driven ability when control circuit board is directly driven by the second wire harness, increasing
Adding system design cost.And when using driving chip the first wire harness and the second wire harness can also be avoided to be integrated winding displacement, power supply
To the interference between signal.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skills, on the premise of not paying creative work, can also be obtained according to following accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of system schematic block diagram of the control system embodiment of bladeless fan of the utility model；
Fig. 2 is that a kind of EMC filter circuit of the control system embodiment of bladeless fan of the utility model is shown with rectification circuit
It is intended to；
Fig. 3 is a kind of blower fan driving power circuit diagram of the control system embodiment of bladeless fan of the utility model；
Fig. 4 is a kind of direction motor drive power supply schematic diagram of the control system embodiment of bladeless fan of the utility model.
Embodiment
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplified description, rather than indicate or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
The structure of the present embodiment is described in detail below in conjunction with the accompanying drawings：
Embodiment：
Such as Fig. 1, shown in 2, the bladeless fan, distinguished and admirable blower fan is produced for driving including at least one, and one changes
The direction motor of changing wind direction, the blower fan are brshless DC motor, and the direction motor is claw-pole permanent magnet synchronous motor, described
Brshless DC motor is driven by blower fan driving power circuit, and the claw-pole permanent magnet synchronous motor is driven by direction motor
Dynamic power circuit is driven.
In the present embodiment, the bladeless fan also includes control device, and the control device controls the blower fan driving
Power circuit is operated, and causes blower fan work to drive corresponding impeller work, corresponding distinguished and admirable to cause blower fan to produce, specifically
The structure of impeller without being described in detail, also controls the direction motor drive power supply circuit to carry out work with timed unit herein
Make, cause motor driven corresponding air channel in direction to carry out coming and going rotation around axle, so that wind direction changes, specifically drive wind
The structure in road is herein without being described in detail.
In order that the control device is operated, so also having corresponding controlling power circuit, the control power supply
Circuit is powered to the control device, so that it is guaranteed that control device can drive corresponding blower fan and direction motor work
Make.In the present embodiment, the controlling power circuit is switching power circuit, and direction motor can be carried out directly using AC power
Power supply control, so, switching power circuit shares a rectification circuit with blower fan driving power circuit, and direction motor is individually straight
External power source power supply is connect, can so reduce the demand of rectification circuit, the requirement on devices of rectification circuit is reduced accordingly, so as to
Corresponding cost is saved, at the same it is also by a relatively simple during circuit design.Reduce and done caused by blower fan and direction motor simultaneously
Disturb superposition.
In order to provide the user with the experience sense of preferable man-machine interaction, bladeless fan also includes operation device and display fills
Put, the operation device is provided separately within functional arrangement plate with display device, the control device, controlling power circuit, wind
Machine driving power circuit, direction motor drive power supply circuit are arranged on control circuit board, and the blower fan is driven by wire harness and blower fan
Dynamic power circuit is electrically connected, and the direction motor is electrically connected by other wire harness with direction motor.Such functional arrangement
Plate can install with position that is convenient for the user to operate and seeing, be greatly improved the operating experience of user, more optimize
The internal structure construction of bladeless fan.The operation device with display device needs work, and that just needs corresponding working power,
In the present embodiment, in order to avoid the wire harness inside bladeless fan is mixed and disorderly, and improve circuit security, functional arrangement plate with
The first wire harness that working power is provided for operation device with display device is provided between control circuit board, the functional arrangement plate leads to
Cross the output end that First Line wire harness is electrically connected to the Switching Power Supply.Because control device is on control circuit board, therefore, nothing
Blade fan needs to know user's operational requirements, to control corresponding blower fan and direction motor to be operated, for this reason, it may be necessary to
Second wire harness is set between operation circuit plate and control circuit board.
In the present embodiment, the display device is controlled driving, the second wire harness both ends point by driving chip
Not electricity Lian Jie driving chip and control device, due in the present embodiment, having used driving chip to lift corresponding drive control
Ability, so the first wire harness and the second strand design are integrated winding displacement, need herein further clearly, wherein the first wire harness, the
Two wire harness are not for single single line, but are a kind of differentiation of function wire harness, can be single single line or
Realize more lines of certain function.
In the present embodiment, in order to which more reliable and stable control bladeless fan, the rectification circuit, direction motor drive
It is dynamic that EMC filter circuit is provided between power circuit and external power source, to avoid bladeless fan to power network and power network to without leaf wind
The influence of fan.
The output end of the bridge rectifier be electrically connected the controlling power circuit, blower fan driving power circuit with
And switching power circuit, the output end bridging of the bridge rectifier have a filter capacitor C1, the bridge rectifier it is defeated
Enter end and electrically connect the EMC filter circuit.The bridge rectifier is that four diodes form.
The EMC filter circuit includes common mode inductance and X2 electric capacity C, the X2 electric capacity C are connected across external power source input
Live wire, between zero line, two inputs of the common mode inductance are respectively electrically connected to the both ends of X2 electric capacity, the common mode inductance
Two output end OL ends and ON ends be electrically connected the bridge rectifier.Two outputs of the common mode inductance simultaneously
Hold OL ends and ON ends difference closure motor and direction motor drive power supply circuit.
The blower fan is the brshless DC motor that rated voltage is more than 240 volts, and the direction motor is claw-pole permanent magnet
Synchronous motor, the capacitance of the filter capacitor C1 are not less than 100uf.In the present embodiment, voltage is depending on the blower fan
300V, therefore, the filter capacitor C1 after bridge rectifier is 100uf, and its pressure voltage must not drop below 300V, be examined for surplus
Consider, pressure voltage 400V.
Therefore, in the present embodiment, the blower fan driving power circuit includes including two by three groups of drivings, every group of driving
MOS field effect transistor and a Charge Management controller, the connection signal of physical circuit as shown in figure 3, do not repeating one by one herein.It is described
Direction motor drive power supply circuit is light-coupled isolation driving power circuit.Two output ends of the optocoupler are provided with protective resistance
R1.In the present embodiment, because direction motor is also high-pressure type motor, so protective resistance R1 is piezo-resistance, specifically it is electrically connected
Mode is connect as shown in figure 4, no longer repeating one by one again.The protection to direction motor can preferably be opened.
After blower fan rectification circuit, and direction motor avoids both caused interference before rectification circuit
Interference superposition is produced by rectification circuit, it is described due to relationship affects such as the frequencies of blower fan work in order to preferably be filtered
X2 electric capacity is provided with parasitic capacitance wire harness with common mode inductance and live wire connection end, can not be carried out accordingly because wire harness produces parasitic capacitance
Bending winding, the parasitic capacitance line stretch into the wind intracavitary portion of bladeless fan.And the capacitance of parasitic capacitance is produced and grown with its wire harness
Degree is not less than 30cm, otherwise can not produced by effective filter effect by direct relation, the length of the parasitic capacitance line,
In the present embodiment, the length of parasitic capacitance line is 40cm.
In the present embodiment, the protective tube and pressure for protecting also are included between the EMC filter circuit and external power source
Quick resistance RV1, the insurance F are arranged at the piezo-resistance RV1 front ends, and the protective tube F is series at zero line, described pressure-sensitive
Resistance RV1 is connected across between live wire, zero line.In order to further produce corresponding filter effect, the parasitic capacitance line is straight
One end of the piezo-resistance RV1 is connect in succession.
Certainly, a kind of simple modification as the present embodiment, functional arrangement plate can directly be connected electrically in control circuit
The external power source incoming end of plate or the input of EMC filter circuit, now only need to set corresponding electricity on functional arrangement plate
Source varying circuit so that it can give display device and operation device to provide corresponding power supply.
Likewise, in the present embodiment, only provide functional arrangement plate and be provided with operation device, corresponding operation device includes
But the mode of Cao Zuoanjian is not limited to, it can be corresponding radio communication device, can also be corresponding near-field communication modes,
Such as infrared operational control, WiFi operational controls etc., it is of course also possible to which four are provided simultaneously with any of the above operational control mode.
By the way that control system is separately positioned on two wiring boards so that each wiring board has corresponding function,
So it is easy to installation of the wiring board in bladeless fan, and functional arrangement plate can be installed on user-friendly position.It is logical
Cross and provide working power to the functional arrangement plate from control circuit board, facilitate the wire harness annexation inside machine, keep away
Wire harness connection entanglement is exempted from, has improved processing technology, be advantageous to the production and processing of product, while also save corresponding resource.
The driving chip of display device is set on functional arrangement plate, driving force is improved, avoids because control circuit board passes through
Second wire harness is too high to front-end driven ability when directly driving, and increases system design cost.And can also using driving chip
When avoiding the first wire harness and the second wire harness from being integrated winding displacement, power supply is to the interference between signal.
It is described above, only the utility model embodiment, but the scope of protection of the utility model is not limited to
This, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
The protection domain asked is defined.
Claims (10)
1. a kind of control system of bladeless fan, including control circuit board and functional arrangement plate, it is characterised in that the control
Electrically connected between wiring board and functional arrangement plate by wire harness, the functional arrangement plate is provided with the operation dress for providing man-machine interaction
Put and display device, the control circuit board are connected with external power source, the control circuit board gives the behaviour by the first wire harness
Make wiring board and power supply is provided, the functional arrangement plate is provided with the driving chip of driving display device, and the driving chip passes through
The intercommunication of second wire harness and control circuit board, first wire harness and the second wire harness are integrated winding displacement.
2. the control system of bladeless fan according to claim 1, it is characterised in that the control circuit board is provided with control
Power circuit processed and driving power circuit.
3. the control system of bladeless fan according to claim 2, it is characterised in that the controlling power circuit is switch
Power supply, the functional arrangement plate are electrically connected to the output end of the Switching Power Supply by the first wire harness.
4. the control system of bladeless fan according to claim 2, it is characterised in that the bladeless fan comprises at least one
Individual to be used for driving the direction motor for producing distinguished and admirable blower fan and a change wind direction, the blower fan is brshless DC motor, described
Direction motor is claw-pole permanent magnet synchronous motor, and the driving power circuit includes direction motor drive power supply circuit, blower fan drives
Dynamic power circuit, the controlling power circuit, blower fan driving power circuit are connected by rectification circuit with external power source.
5. the control system of bladeless fan according to claim 4, it is characterised in that the blower fan driving power circuit bag
Include includes two MOS field effect transistors and a Charge Management controller by three groups of drivings, every group of driving.
6. the control system of bladeless fan according to claim 4, it is characterised in that the direction motor drive power supply electricity
Road is light-coupled isolation driving power circuit.
7. the control system of bladeless fan according to claim 6, it is characterised in that the light-coupled isolation driving power electricity
Road includes optocoupler, and two output ends of the optocoupler are provided with protective resistance.
8. the control system of bladeless fan according to claim 4, it is characterised in that rectification circuit is four diode groups
Into bridge rectifier, the output end of the bridge rectifier is provided with filter capacitor.
9. the control system of bladeless fan according to claim 8, it is characterised in that the capacitance of the filter capacitor is not small
In 100uf.
10. the control system of bladeless fan according to claim 1, it is characterised in that the operation circuit plate passes through
One wire harness is electrically connected to external electrical source on the control circuit board, and the operation circuit plate is provided with and is available for operation circuit plate work
The power circuit of work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289175.4U CN207195259U (en) | 2017-09-30 | 2017-09-30 | A kind of control system of bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289175.4U CN207195259U (en) | 2017-09-30 | 2017-09-30 | A kind of control system of bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195259U true CN207195259U (en) | 2018-04-06 |
Family
ID=61787868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721289175.4U Active CN207195259U (en) | 2017-09-30 | 2017-09-30 | A kind of control system of bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195259U (en) |
-
2017
- 2017-09-30 CN CN201721289175.4U patent/CN207195259U/en active Active
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