CN109253103A - A kind of fan drive circuit, fan drive device and air conditioner - Google Patents
A kind of fan drive circuit, fan drive device and air conditioner Download PDFInfo
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- CN109253103A CN109253103A CN201811070563.2A CN201811070563A CN109253103A CN 109253103 A CN109253103 A CN 109253103A CN 201811070563 A CN201811070563 A CN 201811070563A CN 109253103 A CN109253103 A CN 109253103A
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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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- General Engineering & Computer Science (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
A kind of fan drive circuit of the present invention, fan drive device and air conditioner have the advantage that the fan drive circuit includes controller, power module and drive module, the controller is electrically connected with the power module and the drive module, the power module is electrically connected with the drive module, for providing power supply for the drive module, the power module is used to enter standby mode or working condition under the control of the controller, when the power module enters low-power consumption standby state, the power module stops providing power supply to the drive module to reduce stand-by power consumption, power supply drive module will not be generated, the control power supply of drive module does not have voltage, to reduce the power consumption of internal drive module, the drive module not charged service life that can also improve blower when low power consumpting state simultaneously.
Description
Technical field
The present invention relates to air conditioner energy saving technical field, in particular to a kind of fan drive circuit, fan drive device and sky
Adjust device.
Background technique
As economic is constantly progressive, the application of air conditioner is also more and more extensive, since air conditioner can be by regulation room
Environment temperature brings comfortable experience for user, and air conditioner becomes most commonly seen one of household electrical appliance.
Existing air-conditioning technical is fast-developing, and to efficiency, stand-by power consumption, power adaptation, the performance requirements such as noise are higher and higher,
And the factor of these performances is influenced in addition to there are also inside and outside blowers for compressor.Therefore each Air-conditioning Enterprise is also accelerating internal, outer blower
Upgraded, gradually upgrades to DC frequency conversion brushless blower by AC blower fan.Compared to AC blower fan, DC fan have efficiency it is high,
The advantages that being applicable in wide voltage range, stabilization of speed, small noise, but DC fan is not working because inside increases driving plate
When driving plate on IPM module, driving chip still charge, will increase stand-by power consumption, general air-conditioning DC fan stand-by power consumption is extremely
Less in 0.9W, this is virtually increasing stand-by power consumption, is reducing efficiency to a certain extent.
Summary of the invention
In view of this, the present invention is directed to propose a kind of fan drive circuit, fan drive device and air conditioner, on solving
State problem.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
In a first aspect, the fan drive circuit includes controller, power supply the present invention provides a kind of fan drive circuit
Module and drive module, the controller are electrically connected with the power module and the drive module, the power module with
The drive module electrical connection, for providing power supply for the drive module, the power module is used in the controller
Control is lower to enter standby mode or working condition, when the power module enters standby mode, the power module stop to
The drive module provides power supply to reduce stand-by power consumption.
Further, the controller includes first control signal output end, the first control signal output end and institute
Power module electrical connection is stated, the first control signal output end is for exporting standby signal or working signal to the power supply mould
Block, so that the power module enters working condition or standby mode.
Further, the power module includes first switch tube, second switch and third optocoupler, and described second
Switching tube is electrically connected with the first control signal output end, and the second switch is also electrically connected with the third optocoupler
It connects, the signal that the second switch is used to be exported according to the first control signal output end controls the third optocoupler
On or off, the third optocoupler are electrically connected with the first switch tube, and the third optocoupler is used for according to institute
The signal for stating second switch controls the first switch tube on or off, the first switch tube and drive module electricity
Connection, for providing power supply to the drive module under the control of second switch.
Further, the base stage of the second switch is electrically connected with the first control signal output end, and described second
The emitter of switching tube connects the first power supply, and the collector of the second switch is grounded by the third optocoupler, works as institute
When stating second switch and being connected under the control of the controller, the third optocoupler conducting, when the second switch
When being turned off under the control of the controller, the third optocoupler shutdown.
Further, the collector of the third optocoupler is electrically connected with switched power output, the third light
The emitter of coupling device is electrically connected by the 5th resistance with the base stage of the first switch tube, and the third optocoupler is used for
It is connected under the control of the second switch, so that the first switch tube is connected, provides power supply to the drive module.
Further, the power module includes the first zener diode, the anode of first zener diode and institute
The emitter electrical connection of first switch tube is stated, the cathode of first zener diode and the base stage of the first switch tube are electrically connected
It connects, first zener diode is used to adjust the output voltage of the emitter of the first switch tube.
Further, the power module further includes the 6th capacitor, and the first end of the 6th capacitor is steady with described first
The anode electrical connection of diode is pressed, the second end of the 6th capacitor is electrically connected with the emitter of the first switch tube.
Further, the drive module includes power port, speed feedback port and PWM control port, the power supply
Port is electrically connected with the output end of the power module, and the speed feedback port and the second control signal of the controller are defeated
Outlet electrical connection, the PWM control port are electrically connected with the third control signal output of the controller.
Second aspect, the present invention provides a kind of fan drive device, the fan drive device includes blower with blower
Driving circuit, the fan drive circuit include drive module, and the blower is electrically connected with the drive module.
The third aspect, the present invention also provides a kind of air conditioner, the air conditioner includes above-mentioned fan drive device.
Compared with the existing technology, a kind of fan drive circuit, fan drive device and air conditioner of the present invention have
Following advantage: the fan drive circuit includes controller, power module and drive module, the controller and the power supply mould
Block and the drive module are electrically connected, and the power module is electrically connected with the drive module, for being the drive module
Power supply is provided, the power module is used to enter standby mode or working condition under the control of the controller, when the electricity
When source module enters standby mode, the power module stops providing power supply to the drive module to reduce stand-by power consumption, no
Power supply drive module can be generated, the control power supply of drive module does not have voltage, to reduce power consumption, can be improved simultaneously
The service life of blower fan module.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of fan drive circuit described in the embodiment of the present invention；
Fig. 2 is the schematic diagram of power module described in the embodiment of the present invention；
Fig. 3 is the schematic diagram of drive module provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of controller provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of fan drive device provided in an embodiment of the present invention.
Appended drawing reference: 1- fan drive circuit；2- controller；3- power module；4- drive module；5- blower；Q1- first
Switching tube；Q2- second switch；IC3- third optocoupler；The 5th resistance of R5-；The 6th resistance of R6-；E3- third capacitor；E6-
6th capacitor；The first zener diode of ZD1-；6- fan drive device.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
First embodiment
Referring to Fig. 1, the fan drive circuit 1 includes control the embodiment of the invention provides a kind of fan drive circuit 1
Device 2, power module 3 and drive module 4 processed, the controller 2 are electrically connected with the power module 3 and the drive module 4,
The power module 3 is electrically connected with the drive module 4, for providing power supply, the power module 3 for the drive module 4
For under the control of the controller 2 enter standby mode or working condition, when the power module 3 enter standby mode or
Constantly, the power module 3 stops providing power supply, the power module 3, the drive to the drive module 4 low power consumpting state
Dynamic model block 4 is in low power consumpting state, to reduce stand-by power consumption.
The controller 2 includes that first control signal output end, second control signal output end and third control signal are defeated
Outlet.In this present embodiment, the first control signal output end is low-power consumption output port, low-power consumption when for controlling standby
The starting of mode and the closing second control signal output end are speed feedback port, and the third control signal output is
PWM control port, the second control signal output end and the third control signal output are used to control turning for blower 5
It is dynamic, adjust revolving speed etc..
The first control signal output end is electrically connected with the power module 3, and the first control signal output end is used
In output standby signal (i.e. power down signal) or working signal to the power module 3, so that the power module 3 enters work
Make state or standby mode (low power consumpting state).
Referring to Fig. 2, the power module 3 include first switch tube Q1, second switch Q2, third optocoupler IC3,
5th resistance R5, the 6th resistance R6, third capacitor E3, the 6th capacitor E6 and the first zener diode ZD1, the second switch
Q2 is electrically connected with the first control signal output end, and the second switch Q2 is also electrically connected with the third optocoupler IC3
It connects, the signal that the second switch Q2 is used to be exported according to the first control signal output end controls the third optical coupler
Part IC3 on or off, the third optocoupler IC3 are electrically connected with the first switch tube Q1, the third optocoupler
IC3 is used to control the first switch tube Q1 on or off, the first switch according to the signal of the second switch Q2
Pipe Q1 is electrically connected with the drive module 4, for providing power supply to the drive module 4 under the control of second switch Q2.
The collector of the first switch tube Q1 is electrically connected with switched power output, the transmitting of the first switch tube Q1
Pole is electrically connected with the drive module 4, and the collector of the third optocoupler IC3 is electrically connected with the switched power output
It connects.The emitter of the third optocoupler IC3 is electrically connected by the 5th resistance R5 with the base stage of the first switch tube Q1.When
When the third optocoupler IC3 is connected, divided by the 5th resistance R5, the collector voltage of the first switch tube Q1
Greater than the base voltage of the first switch tube Q1, first switch tube Q1 conducting, so that the signal of Switching Power Supply output be exported
To drive module 4, drive module 4 has electricity, so that blower 5 be driven to work.
The base stage of the second switch Q2 is electrically connected with the first control signal output end, the second switch Q2
Emitter connect the first power supply, in this present embodiment, first power supply be 5V low-tension supply.The collection of the second switch Q2
Electrode is successively connected with the 6th resistance R6, third optocoupler IC3 ground connection, when the second switch Q2 is in the controller 2
Control under when being connected, the third optocoupler IC3 conducting, when the second switch Q2 is in the control of the controller 2
When lower shutdown, the third optocoupler IC3 shutdown.
In this present embodiment, when the first control signal output end exports power down signal, that is, low level signal, institute
Second switch Q2 cut-off, third optocoupler IC3 cut-off are stated, first switch tube Q1 is not turned on, the transmitting of first switch tube Q1
It does not export extremely, drive module 4 does not have power supply, hence into low power consumpting state.
Specifically, the collector of the third optocoupler IC3 is electrically connected with switched power output, in the present embodiment
In, the switched power output exports 18V supply voltage.The emitter of the third optocoupler IC3 passes through the 5th resistance
R5 is electrically connected with the base stage of the first switch tube Q1, and the third optocoupler IC3 is used for the second switch Q2's
The lower conducting of control provides power supply to the drive module 4 so that the first switch tube Q1 is connected.
The anode of the first zener diode ZD1 is electrically connected with the emitter of the first switch tube Q1, and described first
The cathode of zener diode ZD1 is electrically connected with the base stage of the first switch tube Q1, and the first zener diode ZD1 is for adjusting
Save the output voltage of the emitter of the first switch tube Q1.Specifically, it is set according to the signal of the first zener diode ZD1
Fixed, in this present embodiment, the first zener diode ZD1 is the zener diode of 15V, then the voltage of the emitter output
For 15V.
In this present embodiment, the first switch tube Q1, the second switch Q2 are NPN type triode, but unlimited
In this, it can also be other switching devices with same or similar function.Such as PNP triode, NMOS tube, PMOS tube
Deng.
The Switching Power Supply output is also grounded by third capacitor E3, and surge or burr signal damage in power supply signal are prevented
Consume late-class circuit.The power module 3 further includes the 6th capacitor E6, the first end and first pressure stabilizing of the 6th capacitor E6
The anode of diode ZD1 is electrically connected, and the second end of the 6th capacitor E6 is electrically connected with the emitter of the first switch tube Q1.
Referring to Fig. 3, the drive module 4 is connect with blower 5 by five core terminal interfaces, five core terminal interfaces include:
High voltage power supply, control panel, power port, revolving speed controls and speed feedback.In this present embodiment, the power module 3 is used for
It is to generate control power supply to export to drive module 4 under control of the controller 2, is the key that low power consumption control, this mould when standby
Block is closed, and will not be generated power supply and is supplied to drive module 4, the control power supply of drive module 4 does not have voltage, to reduce function
Consumption.The high voltage power supply of the drive module 4 is for connecting 310V high voltage power supply, control panel ground port ground connection, the power supply
Port is electrically connected with the output end of the power module 3, the second control signal of the speed feedback port and the controller 2
Output end electrical connection, the revolving speed control, i.e. PWM control port and the third control signal output of the controller 2 are electrically connected
It connects.
The controller 2 can be a kind of IC chip, the processing capacity with signal.Above-mentioned controller 2 can
To be PLC control unit, general processor can also be, including central controller 2 (Central Processing Unit,
CPU), network processing unit (Network Processor, NP) etc.；It can also be digital signal processor (Digital Signal
Processing, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
At programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components.General processor can be microprocessor；The controller 2 is also possible to
Any conventional processor etc., in this present embodiment, the controller 2 are single-chip microcontroller.
Referring to Fig. 4, in this present embodiment, the single-chip microcontroller includes first control signal output end, second control signal
Output end and third control signal output.In this present embodiment, the first control signal output end is low-power consumption output end,
The starting of low-power consumption mode and the closing second control signal output end are speed feedback port when for controlling standby, described
Third control signal output is PWM control port, the second control signal output end and third control signal output
The rotation for controlling blower 5 is held, revolving speed etc. is adjusted.Preferably, when the low-power consumption port output low level, power module 3
Into low power consumpting state, stop powering to drive module 4.
The working principle of the present embodiment: if not being switched on after controller 2 powers on, the low-power consumption mouth of controller 2 exports low electricity
Flat, second switch Q2 ends in power module 3, and third optocoupler IC3 is not turned on, and first switch tube Q1 cut-off, first opens
The base stage for closing pipe Q1 does not have voltage, then the emitter of first switch tube Q1 does not have power supply output, and the control power supply of drive module 4 is
0, drive module 4 is not charged, and the output of PWM control port is 0, basic inactivity consumption.
If controller 2 receives starting-up signal after powering on, low-power consumption mouth exports high level in controller 2, in power module 3
Second switch Q2 conducting, third optocoupler IC3 conducting, the base stage of first switch tube Q1 have 15V voltage, first switch tube Q1
It is connected, control power supply is 15V in drive module 4, and the drive module 4 of blower 5 is charged, and SCM PWM control at this time exports PWM letter
Number, according to the collected Signal Regulation PWM duty cycle of speed feedback, realize to 5 speed closed loop control of blower.
Second embodiment
The present embodiment provides a kind of fan drive device 6, referring to Fig. 5, the fan drive device 6 include blower 5 with
And the fan drive circuit 1 such as first embodiment offer, the fan drive circuit 1 include drive module 4, the drive module
4 are electrically connected with the blower 5 by five core terminal interfaces.
It should be noted that the technical effect of fan drive circuit 1 provided by the present embodiment, basic principle and generation
Identical with above-described embodiment, to briefly describe, the present embodiment part does not refer to place, can refer to corresponding in above-mentioned first embodiment
Content.
3rd embodiment
A kind of air conditioner is present embodiments provided, the air conditioner includes the driving of the blower as provided by second embodiment
Device 6.The technical effect of fan drive device 6 provided by the present embodiment, basic principle and generation and above-mentioned second is implemented
Example is identical, and to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in the above embodiments.
In conclusion a kind of fan drive circuit, fan drive device and air conditioner of the present invention are with following excellent
Gesture: the fan drive circuit includes controller, power module and drive module, the controller and the power module and institute
It states drive module to be electrically connected, the power module is electrically connected with the drive module, for providing electricity for the drive module
Source, the power module is used to enter standby mode or working condition under the control of the controller, when the power module
When into standby mode, the power module stops providing power supply to the drive module to reduce stand-by power consumption, will not generate
The control power supply of power supply drive module, drive module does not have voltage, to reduce power consumption, while blower mould can be improved
The service life of block.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fan drive circuit, which is characterized in that the fan drive circuit (1) includes controller (2), power module
(3) and drive module (4), the controller (2) is electrically connected with the power module (3) and the drive module (4), described
Power module (3) is electrically connected with the drive module (4), for providing power supply, the power module for the drive module (4)
(3) for entering standby mode or working condition under the control of the controller (2), when the power module (3) enter to
When machine state, the power module (3) stops providing power supply to the drive module (4) to reduce stand-by power consumption.
2. fan drive circuit according to claim 1, which is characterized in that the controller (2) includes the first control letter
Number output end, the first control signal output end are electrically connected with the power module (3), the first control signal output end
For exporting standby signal or working signal to the power module (3) so that the power module (3) enter working condition or
Standby mode.
3. fan drive circuit according to claim 2, which is characterized in that the power module (3) includes first switch
Manage (Q1), second switch (Q2) and third optocoupler (IC3), the second switch (Q2) and the first control signal
Output end electrical connection, the second switch (Q2) are also electrically connected with the third optocoupler (IC3), the second switch
(Q2) signal for being exported according to the first control signal output end controls the third optocoupler (IC3) and is connected or closes
Disconnected, the third optocoupler (IC3) is electrically connected with the first switch tube (Q1), and the third optocoupler (IC3) is used for
First switch tube (Q1) on or off, the first switch tube are controlled according to the signal of the second switch (Q2)
(Q1) it is electrically connected with the drive module (4), for being provided under the control of second switch (Q2) to the drive module (4)
Power supply.
4. fan drive circuit according to claim 3, which is characterized in that the base stage of the second switch (Q2) and institute
The electrical connection of first control signal output end is stated, the emitter of the second switch (Q2) connects the first power supply, the second switch
The collector of pipe (Q2) is grounded by the third optocoupler (IC3), when the second switch (Q2) is in the controller
(2) when being connected under control, third optocoupler (IC3) conducting, when the second switch (Q2) is in the controller
(2) when being turned off under control, third optocoupler (IC3) shutdown.
5. fan drive circuit according to claim 3, which is characterized in that the collection of the third optocoupler (IC3)
Electrode is connect with switched power output, the emitter of the third optocoupler (IC3) by the 5th resistance (R5) with it is described
The base stage of first switch tube (Q1) is electrically connected, and the third optocoupler (IC3) is used for the control in the second switch (Q2)
The lower conducting of system provides power supply to the drive module (4) so that the first switch tube (Q1) is connected.
6. fan drive circuit according to claim 5, which is characterized in that the power module (3) includes the first pressure stabilizing
The anode of diode (ZD1), first zener diode (ZD1) is electrically connected with the emitter of the first switch tube (Q1),
The cathode of first zener diode (ZD1) is electrically connected with the base stage of the first switch tube (Q1), first pressure stabilizing two
Pole pipe (ZD1) is used to adjust the output voltage of the emitter of the first switch tube (Q1).
7. fan drive circuit according to claim 6, which is characterized in that the power module (3) further includes the 6th electricity
To hold (E6), the first end of the 6th capacitor (E6) is electrically connected with the anode of first zener diode (ZD1), and the described 6th
The second end of capacitor (E6) is electrically connected with the emitter of the first switch tube (Q1).
8. fan drive circuit according to claim 2, which is characterized in that the drive module (4) include power port,
Speed feedback port and PWM control port, the power port are electrically connected with the output end of the power module (3), and described turn
Fast feedback port is electrically connected with the second control signal output end of the controller (2), the PWM control port and the control
The third control signal output of device (2) is electrically connected.
9. a kind of fan drive device, which is characterized in that the fan drive device (6) includes blower (5) and as right is wanted
It asks fan drive circuit described in 1~8 any one (1), the fan drive circuit (1) includes drive module (4), the wind
Machine (5) is electrically connected with the drive module (4).
10. a kind of air conditioner, which is characterized in that the air conditioner includes fan drive device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070563.2A CN109253103A (en) | 2018-09-13 | 2018-09-13 | A kind of fan drive circuit, fan drive device and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070563.2A CN109253103A (en) | 2018-09-13 | 2018-09-13 | A kind of fan drive circuit, fan drive device and air conditioner |
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| CN109253103A true CN109253103A (en) | 2019-01-22 |
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| CN201811070563.2A Pending CN109253103A (en) | 2018-09-13 | 2018-09-13 | A kind of fan drive circuit, fan drive device and air conditioner |
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| CN116045473A (en) * | 2022-12-22 | 2023-05-02 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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| CN112761999A (en) * | 2021-01-12 | 2021-05-07 | 珠海拓芯科技有限公司 | Double-fan control circuit and air conditioner |
| CN112761999B (en) * | 2021-01-12 | 2022-10-28 | 珠海拓芯科技有限公司 | Double-fan control circuit and air conditioner |
| CN112947170A (en) * | 2021-02-02 | 2021-06-11 | 珠海拓芯科技有限公司 | Double-fan control circuit and air conditioner |
| CN112947170B (en) * | 2021-02-02 | 2024-04-12 | 宁波奥克斯电气股份有限公司 | Double-fan control circuit and air conditioner |
| CN116045473A (en) * | 2022-12-22 | 2023-05-02 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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Application publication date: 20190122 |