CN208634087U - Fan drive control apparatus - Google Patents
Fan drive control apparatus Download PDFInfo
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- CN208634087U CN208634087U CN201821221777.0U CN201821221777U CN208634087U CN 208634087 U CN208634087 U CN 208634087U CN 201821221777 U CN201821221777 U CN 201821221777U CN 208634087 U CN208634087 U CN 208634087U
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- 239000004065 semiconductor Substances 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The application relates to fan drive control equipment which comprises an external power supply, a main control board and an external drive board, wherein the external power supply is connected to the main control board, and the external drive board is connected with a first fan; the external drive board comprises a power supply circuit which is connected with an external power supply and outputs voltage to the main control board according to the connected external power supply, and a fan control circuit which is connected with the first fan; the power supply circuit is used for supplying power, the power supply voltage is output to the fan control circuit, when the preset standby trigger condition is detected, the power supply circuit is controlled to stop being connected to the main control board of the external power supply, the fan control circuit is connected with the main control board, and the power supply circuit is connected with the main control board. When the main control board detects a preset standby triggering condition, the power supply circuit is controlled to stop accessing the external power supply, so that all power supplies of the whole fan drive control equipment can be cut off due to the fact that the power supply circuit is not accessed to the external power supply in the standby state, power consumption in the standby state is reduced, and electric energy is saved.
Description
Technical field
This application involves air-blower control technical fields, more particularly to a kind of blower drive control apparatus and method.
Background technique
With economic rapid growth, people's living standard is significantly improved, but the use of all kinds of household electrical appliance
Also result in electric consumption it is excessive, wherein air-conditioning be used as household electrical appliance indispensable in people's daily life, be electricity consumption burden with
The main source of energy waste.
In conventional fan driving control system, by directly providing power supply to internal or external driving plate, pass through driving
Plate drives blower work, but traditional blower driving control system driving plate in standby mode can generate certain loss, long
Expect that chance causes the waste of the energy, haves the shortcomings that low in energy consumption.
Utility model content
Based on this, it is necessary to be set in view of the above-mentioned problems, providing a kind of blower drive control that can be realized low-power consumption standby
It is standby.
A kind of blower drive control apparatus, the equipment include:
External power supply is accessed, and according to the outer of the first blower of the external power supply output voltage of access to master control borad and connection
Set driving plate;
External driving plate includes access external power supply, and according to the power supply of the external power supply output voltage of access to master control borad
Circuit, and the draught fan control circuit of the first blower of connection;
The power supply conveyed using power supply circuit, and export supply voltage to draught fan control circuit, detect it is preset to
When machine trigger condition, then the master control borad that power supply circuit stops access external power supply is controlled;
External driving plate includes power supply circuit and draught fan control circuit, and draught fan control circuit connects master control borad, power supply circuit
Master control borad is connected, draught fan control circuit connects the first blower.
In one embodiment, power supply circuit includes first switch device and circuit of power factor correction, first switch device
Part connects circuit of power factor correction, and first switch device connects master control borad, and circuit of power factor correction connects master control borad.
In one embodiment, power supply circuit further includes rectification circuit, and rectification circuit connects first switch device, rectified current
Road connects circuit of power factor correction.
In one embodiment, master control borad includes second switch device and control circuit, the connection control of second switch device
Circuit, second switch device connect first switch device, and second switch device connects draught fan control circuit, and control circuit connects function
Rate factor correcting circuit.
In one embodiment, control circuit includes drive control circuit and Switching Power Supply, and drive control circuit connection is opened
Powered-down source, Switching Power Supply connect circuit of power factor correction, the input terminal connection switch power supply of second switch device, second switch
The control terminal of the output end connection first switch device of device, the output end of second switch device connect draught fan control circuit, the
The control terminal of two switching devices connects drive control circuit.
In one embodiment, drive control circuit is also used to connect the second blower.
In one embodiment, drive control circuit includes receiving current indoor air quality data, concurrent pressure fan control
Signal processed controls chip connection switch power supply, control chip connects second switch device to the control chip of draught fan control circuit
Control terminal, control chip connects the second blower, and control chip is for receiving current indoor air quality data.
In one embodiment, external driving plate further includes semiconductor control part, and semiconductor control part connects blower
Control circuit, semiconductor control part connect the first blower.
Above-mentioned blower drive control apparatus, including access external power supply, and extremely according to the external power supply output voltage of access
Master control borad and the external driving plate for connecting the first blower;External driving plate includes access external power supply, and according to the outer of access
Portion's electric power output voltage to master control borad power supply circuit, and connection the first blower draught fan control circuit;Utilize power supply circuit
The power supply of conveying, and export supply voltage and then control confession when detecting preset standby trigger condition to draught fan control circuit
Circuit stops the master control borad of access external power supply;External driving plate includes power supply circuit and draught fan control circuit, air-blower control
Circuit connection master control borad, power supply circuit connect master control borad, and draught fan control circuit connects the first blower.It is outer by power supply circuit access
Portion's power supply, and according to the external power supply output voltage of access to master control borad, master control borad utilizes the power supply of power supply circuit conveying, and defeated
Supply voltage is to draught fan control circuit out, thus realize series topology structure, and when detecting preset standby trigger condition,
It then controls power supply circuit and stops access external power supply, thus in standby mode since power supply circuit does not access external power supply,
All power supplys of entire blower drive control apparatus can be cut off to reduce the power consumption under standby mode, compared to traditional
Blower driving control system, certain loss can be still generated in standby mode, and blower drive control provided by the present application is set
It is standby to can be realized low power consumption control, save electric energy.
Detailed description of the invention
Fig. 1 is the structural block diagram of blower drive control apparatus in one embodiment;
Fig. 2 is the structural block diagram of blower drive control apparatus in another embodiment;
Fig. 3 is the structural block diagram of blower drive control apparatus in further embodiment;
Fig. 4 is the structural block diagram of blower drive control apparatus in another embodiment;
Fig. 5 is the structural block diagram of blower drive control apparatus in another embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In one embodiment, as shown in Figure 1, providing a kind of blower drive control apparatus, the equipment includes access
External power supply, and according to the external driving of the first blower 300 of the external power supply output voltage of access to master control borad 200 and connection
Plate 100;External driving plate 100 includes access external power supply, and according to the external power supply output voltage of access to master control borad 200
Power supply circuit 120, and the draught fan control circuit 140 of the first blower 300 of connection;The power supply conveyed using power supply circuit 120, and
It exports supply voltage and then controls power supply circuit 120 when detecting preset standby trigger condition to draught fan control circuit 140
Stop the master control borad 200 of access external power supply.
Power supply circuit 120 connects master control borad 200, and draught fan control circuit 140 connects master control borad 200, draught fan control circuit 140
For connecting the first blower 300.
Power supply circuit 120 is for accessing external power supply, and according to the external power supply output voltage of access to master control borad 200,
The power supply that master control borad 200 is conveyed using power supply circuit 120, and supply voltage is exported to draught fan control circuit 140.Power supply circuit
After 120 access external power supplies, is worked normally according to the external power supply of access for entire blower drive control apparatus, specifically, supplied
According to the external power supply output voltage of access to master control borad 200, master control borad 200 is conveyed circuit 120 using power supply circuit 120
Power supply can operate normally, and export supply voltage to draught fan control circuit 140, access external power supply by power supply circuit 120 and supply
It is inputted to master control borad 200, and the output of master control borad 200 supplies voltage to the power supply of draught fan control circuit 140, to realize series topology
Structure.
Master control borad 200 stops access outside for when detecting preset standby trigger condition, then controlling power supply circuit 120
Power supply, specifically, preset standby trigger condition include not receiving air-blower control instruction in preset duration or receiving
The standby command of user's input, when detecting preset standby trigger condition, entire blower drive control apparatus is at this time
Standby mode then controls power supply circuit 120 and stops access external power supply, so that power supply circuit 120 is without voltage output to master control
Plate 200, master control borad 200 are exported without supply voltage to draught fan control circuit 140, and entire blower drive control apparatus is due to power supply
Circuit 120 stops access external power supply, so as to effectively reduce the power consumption under standby mode in external driving plate, saves electricity
Energy.
Air-blower control instruction the first blower of control that draught fan control circuit 140 is also used to be sent according to master control borad 200 carries out
Work, specifically, revolving speed, the electricity of other instruction control motors that draught fan control circuit 140 can also be sent according to master control borad 200
Stream, operational mode etc..
Above-mentioned blower drive control apparatus, including access external power supply, and extremely according to the external power supply output voltage of access
Master control borad 200 and the external driving plate 100 for connecting the first blower 300;External driving plate 100 includes access external power supply, and
According to the power supply circuit 120 of the external power supply output voltage of access to master control borad 200, and the blower of the first blower 300 of connection
Control circuit 140;The power supply conveyed using power supply circuit 120, and supply voltage is exported to draught fan control circuit 140, it is detecting
When to preset standby trigger condition, then the master control borad 200 that power supply circuit 120 stops access external power supply is controlled;External driving
Plate 100 includes power supply circuit 120 and draught fan control circuit 140, and draught fan control circuit 140 connects master control borad 200, power supply circuit
120 connection master control borads 200, draught fan control circuit 140 connect the first blower 300.External power supply is accessed by power supply circuit 120,
And the power supply conveyed according to the external power supply output voltage of access to master control borad 200, master control borad 200 using power supply circuit 120, and
Supply voltage is exported to draught fan control circuit 140, to realize series topology structure, and is detecting preset standby triggering item
When part, then controls power supply circuit 120 and stop access external power supply, thus in standby mode since power supply circuit 120 does not connect
Enter external power supply, all power supplys of entire blower drive control apparatus can be cut off to reduce the power consumption under standby mode,
It realizes low power consumption control, saves electric energy.
In one embodiment, as shown in Fig. 2, power supply circuit 120 includes first switch device 122 and PFC
Circuit 126, first switch device 122 connect circuit of power factor correction 126, and first switch device 122 connects master control borad 200,
Circuit of power factor correction 126 connects master control borad 200.Specifically, when first switch device 122 in the closure state, access
External power supply is exported to circuit of power factor correction 126, at the external power supplies of 126 pairs of circuit of power factor correction accesses
Reason, it is smaller by harmonic content in the processing voltage of circuit of power factor correction 126, by the voltage output after harmonic carcellation to master
Plate 200 is controlled, the harmonic wave of the first blower can be effectively reduced, improves efficiency and the service life of the first blower.When master control borad 200 detects
When preset standby trigger condition, then the disconnection of first switch device 122 is controlled, stops access external power supply at this time, reduce standby
Power consumption under state.
In one embodiment, as shown in Fig. 2, power supply circuit 120 further includes rectification circuit 124, rectification circuit 124 is connected
First switch device 122, rectification circuit connect circuit of power factor correction 126, when external power supply is alternating current, then by whole
The alternating current that current circuit 124 is accessed when first switch device is closed is rectified to obtain direct current, and is exported to power factor
Correcting circuit 126.
In one embodiment, as shown in figure 3, master control borad 200 includes second switch device 220 and control circuit 240, the
Two switching devices 220 connect control circuit 240, and second switch device 220 connects first switch device 122, second switch device
220 connection draught fan control circuits 140, control circuit 240 connect circuit of power factor correction 126.Specifically, first switch device
When 122 closure, access external power supply to rectification circuit 124, the external power supply of 124 pairs of rectification circuit accesses is rectified to obtain straight
Galvanic electricity, direct current export after 126 harmonic carcellation of circuit of power factor correction to control circuit 240, and control circuit 240 exports again
Supply voltage is to draught fan control circuit 140.When drive control circuit 240 is when detecting preset standby trigger condition, then control
First switch device 122 processed disconnects, so that entire blower driving can be cut off due to not having access external power supply in standby mode
All power supplys of equipment are controlled to reduce the power consumption under standby mode, realize low power consumption control, save electric energy.
In one embodiment, as shown in figure 4, control circuit 240 includes drive control circuit 242 and Switching Power Supply 244,
242 connection switch power supply 244 of drive control circuit, Switching Power Supply 244 connect circuit of power factor correction 126, second switch device
The input terminal connection switch power supply 244 of part 220, the control of the output end connection first switch device 122 of second switch device 220
End, the output end of second switch device 220 connect draught fan control circuit 140, and the control terminal of second switch device 220 connects driving
Control circuit 242.Specifically, first switch device 120 and second switch device 220 are relay, first switch device 120
Input terminal connect external power supply, the output end of first switch device 120 connects rectification circuit 124, first switch device 120
Control terminal connects the output end of second switch device 220, and the output end of second switch device 220 connects draught fan control circuit 140,
The control terminal of second switch device 220 connects drive control circuit 242, when second switch device 220 is closed, then exports power supply
Voltage is to draught fan control circuit 140, at this point, output supply voltage controls first switch device 122 to first switch device 122
Closure then controls the disconnection of second switch device 220 when drive control circuit 242 is when detecting preset standby trigger condition,
It then exports without supply voltage to draught fan control circuit 140, and at this time due to there is no supply voltage to export to first switch device
122, so that first switch device 122 disconnects, the power supply of entire blower drive control apparatus is cut off, to reduce standby shape
Power consumption under state realizes low power consumption control, saves electric energy.
In one embodiment, as shown in figure 4, drive control circuit 242 is also used to connect the second blower 400, specifically,
First blower 300 is new blower, and new blower is used to arrange the air of outdoor inspiration after the functions such as filtering to interior, driving control
Circuit 242 processed can control the booting of the first blower 300 by outputing control signals to draught fan control circuit 140, adjust revolving speed and electricity
Stream etc., the second blower 400 are exhaust blower, for by outdoor air inspiration room, drive control circuit 242 to pass through output control
Signal directly controls the second blower 400 to the second blower 400.
In one embodiment, as shown in figure 5, drive control circuit 242 includes receiving current indoor air quality data,
Concurrently control chip 241 of the air-supply machine control signal to draught fan control circuit 140, control 241 connection switch power supply 244 of chip,
The control terminal that chip 241 connects second switch device 220 is controlled, control chip 241 connects the second blower 400, controls chip 241
For receiving current indoor air quality data.Specifically, current indoor air quality data can be acquired by sensor
Control chip 241 is sent to after, current indoor air quality data is used to measure the air quality of current indoor, controls chip
241 measure the excellent of current indoor air quality according to current indoor air quality data and preset air quality standard, and
Air-blower control signal is sent to draught fan control circuit 140 according to the air quality of current indoor, and draught fan control circuit 140 is according to connecing
The air-blower control signal of receipts carries out corresponding control to the first blower 300, and control chip 241 can also be according to the air matter of current indoor
Amount sends air-blower control signal to the second blower 400, controls the second blower 400.When the control judgement of chip 241 is worked as
When preceding indoor air quality meets arm's length standard, it will be automatically converted to interior circulation pattern, only control the progress of the first blower 300 at this time
Work, the first blower 300 are new blower, for by the air of outdoor inspiration, row to arrive interior after the functions such as filtering;Work as control
When chip 241 judges that obtaining the instruction of current indoor air does not meet arm's length standard, it will be automatically converted to heat exchange mode, this time control
It makes the first blower 300 and the second blower 400 works at the same time, the first blower 300 is new blower, for passing through the air of outdoor inspiration
Row arrives interior after the functions such as filtering, and the second blower 400 is exhaust blower, for being controlled simultaneously by outdoor air inspiration room
First blower 300 and the work of the second blower 400, can be quickly converted room air, to promote indoor air quality.First switch
Device 220 connects first switch device 120 by power port, so that drive control circuit 242 can control first switch device
220 on-off, Switching Power Supply 244 provide the function of virtual ground by grounding ports for external driving plate.
In one embodiment, as shown in figure 5, external driving plate 100 further includes semiconductor control part 160, semiconductor
Control device 160 connects draught fan control circuit 140, and semiconductor control part 160 connects the first blower 300.Specifically, semiconductor
Control device 160 is insulated gate bipolar transistor, is made of double pole triode and insulating gate type field effect tube compound
Full-control type voltage driven type power semiconductor, draught fan control circuit 140 are logical according to the control signal that control chip 241 is sent
The make-and-break time of control insulated gate bipolar transistor is crossed to realize the frequency control to the first blower 300.
In one embodiment, master control borad 200 further includes semiconductor control part, and semiconductor control part connects controller
241, semiconductor control part connects the second blower 400.Semiconductor control part is insulated gate bipolar transistor, is by bipolar
The compound full-control type voltage driven type power semiconductor of type triode and insulating gate type field effect tube composition, to control core
Piece 241 can control signal by controlling the make-and-break time of insulated gate bipolar transistor to realize the frequency conversion to the second blower 400
Control.
In one embodiment, control chip 241 is also used to receive the first rotation speed of fan of the transmission of draught fan control circuit 140
Feedback signal, and according to the current rotating speed of the first rotation speed of fan feedback signal the first blower 300 of calculating, according to the first blower 300
Current rotating speed the revolving speed of the first blower 300 is controlled.Specifically, the first blower 300 is calculated in control chip 241
After actual speed, the first Fan Regulation signal can be sent according to the actual speed and current air mass of the first blower 300 to wind
Machine control circuit 140, the first Fan Regulation signal are used to adjust the revolving speed and/or electric current of the first blower 300, draught fan control circuit
140 are adjusted according to revolving speed and/or electric current of the adjustment signal to the first blower 300, and specifically, control chip 241 sends PWM
For signal to draught fan control circuit 140, the duty ratio of pwm signal determines the revolving speed and electric current of the first blower 300.First switch device
Part 220 connects first switch device 120 by the port VSP, so that PWM can be sent to draught fan control circuit 140 by controlling chip 241
First rotation speed of fan feedback signal back is also extremely controlled chip 241 by the port FG by signal, draught fan control circuit 140, thus
The current rotating speed of the first blower 300 can be calculated according to the first rotation speed of fan feedback signal by controlling chip 241
In one embodiment, control chip 241 is also used to receive the second rotation speed of fan feedback of the second blower 400 transmission
Signal, and according to the current rotating speed of the second rotation speed of fan feedback signal the second blower 400 of calculating, according to working as the second blower 400
Preceding revolving speed controls the revolving speed of the second blower 400.Specifically, the reality of the second blower 400 is calculated in control chip 241
After revolving speed, the first Fan Regulation signal to the second wind can be sent according to the actual speed and current air mass of the second blower 400
Machine 400, the first Fan Regulation signal are used to adjust the revolving speed and/or electric current of the second blower 400, and specifically, control chip 241 is sent out
Send pwm signal to the second blower 400, the duty ratio of pwm signal determines the revolving speed and electric current of the second blower 400.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (8)
1. a kind of blower drive control apparatus, which is characterized in that the equipment includes:
External power supply is accessed, and according to the external drive of the first blower of the external power supply output voltage of access to master control borad and connection
Movable plate;
The external driving plate includes access external power supply, and according to the power supply of the external power supply output voltage of access to master control borad
Circuit, and the draught fan control circuit of the first blower of connection;
The power supply conveyed using the power supply circuit, and export supply voltage to draught fan control circuit, detect it is preset to
When machine trigger condition, then the master control borad that the power supply circuit stops access external power supply is controlled;
The external driving plate includes power supply circuit and draught fan control circuit, and the draught fan control circuit connects the master control borad,
The power supply circuit connects the master control borad, and the draught fan control circuit connects the first blower.
2. blower drive control apparatus according to claim 1, which is characterized in that the power supply circuit includes first switch
Device and circuit of power factor correction, the first switch device connect the circuit of power factor correction, the first switch
Device connects the master control borad, and the circuit of power factor correction connects the master control borad.
3. blower drive control apparatus according to claim 2, which is characterized in that the power supply circuit further includes rectified current
Road, the rectification circuit connect the first switch device, and the rectification circuit connects the circuit of power factor correction.
4. blower drive control apparatus according to claim 3, which is characterized in that the master control borad includes second switch device
Part and control circuit, the second switch device connect the control circuit, and the second switch device connection described first is opened
Device is closed, the second switch device connects the draught fan control circuit, and the control circuit connects the PFC
Circuit.
5. blower drive control apparatus according to claim 4, which is characterized in that the control circuit includes drive control
Circuit and Switching Power Supply, the drive control circuit connect the Switching Power Supply, and the Switching Power Supply connects the power factor
Correcting circuit, the input terminal of the second switch device connect the Switching Power Supply, and the output end of the second switch device connects
The control terminal of the first switch device is connect, the output end of the second switch device connects the draught fan control circuit, described
The control terminal of second switch device connects the drive control circuit.
6. blower drive control apparatus according to claim 5, which is characterized in that the drive control circuit is also connected with
Two blowers.
7. blower drive control apparatus according to claim 6, which is characterized in that the drive control circuit includes receiving
Current indoor air quality data, control chip of the machine control signal to draught fan control circuit of concurrently blowing, the control chip
The Switching Power Supply is connected, the control chip connects the control terminal of the second switch device, and the control chip connects institute
State the second blower.
8. blower drive control apparatus according to claim 1, which is characterized in that the external driving plate further includes partly leading
Body control device, the semiconductor control part connect the draught fan control circuit, described in the semiconductor control part connection
First blower.
Priority Applications (1)
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CN201821221777.0U CN208634087U (en) | 2018-07-31 | 2018-07-31 | Fan drive control apparatus |
Applications Claiming Priority (1)
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CN201821221777.0U CN208634087U (en) | 2018-07-31 | 2018-07-31 | Fan drive control apparatus |
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CN208634087U true CN208634087U (en) | 2019-03-22 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108869373A (en) * | 2018-07-31 | 2018-11-23 | 珠海格力电器股份有限公司 | Fan drive control apparatus |
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2018
- 2018-07-31 CN CN201821221777.0U patent/CN208634087U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108869373A (en) * | 2018-07-31 | 2018-11-23 | 珠海格力电器股份有限公司 | Fan drive control apparatus |
CN108869373B (en) * | 2018-07-31 | 2023-10-03 | 珠海格力电器股份有限公司 | Fan drive control device |
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