CN102032610A - Direct current frequency-variable stepless speed regulation range hood - Google Patents
Direct current frequency-variable stepless speed regulation range hood Download PDFInfo
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- CN102032610A CN102032610A CN2010105778251A CN201010577825A CN102032610A CN 102032610 A CN102032610 A CN 102032610A CN 2010105778251 A CN2010105778251 A CN 2010105778251A CN 201010577825 A CN201010577825 A CN 201010577825A CN 102032610 A CN102032610 A CN 102032610A
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Abstract
The invention discloses a direct current frequency-variable stepless speed regulation rang hood, comprising a rang hood shell, a fan and an electric control part, wherein the fan and the electric control part are arranged in the rang hood shell. The invention is characterized in that the electric control part is mainly composed of an operation control panel, a power control panel, a direct current frequency-variable driver module and a direct current motor. The power control panel is connected with a display control plate, the direct current frequency-variable driver module is arranged in the shell of the motor, and is integrated with the direct current motor into a whole, and the lead interface CON7 of the direct current motor is connected with the CON 3 interface of the power control panel. The invention has the advantages of energy conservation, small power consumption, high efficiency, adjustable rotation speed, and large torque range, and can realize stepless speed regulation, stable rotation speed and low noise, and is environment-friendly. The actual rotation speed can be displayed by a display.
Description
Technical field
The present invention relates to the range hood technical field, relate to a kind of DC frequency-changing stepless speed regulation range hood more specifically.
Background technology
At present, employed in daily life range hood of people and the employed motor of ventilating fan generally all are to use alternating current generator, and this motor power consumption is big, and efficient is low.During this machine operation, rotating speed of motor generally is divided into two grades or third gear, and the rotating speed gear is less, can not accomplish stepless speed regulation.The range hood of use alternating current generator is compared on the range hood that adopts the DC frequency-changing stepless speed-regulating motor and the market, and its major advantage is environmental protection and energy saving, and power consumption is little, the efficient height; Adjustable rotating speed, torque range are big, can realize stepless speed regulation.As Chinese patent application number is 200620125645.9, denomination of invention is a kind of brush DC VFC stepless speed regulation range hood, comprise power panel, control panel, guidance panel, motor and peripheral circuit, control panel is connected with the guidance panel circuit, it is characterized in that: described power panel adopts the high-pressure frequency-conversion driver module; Described guidance panel is the human body induction panel, and the human body sensing panel is by the control that is connected with the high-pressure frequency-conversion driver module of two groups of controls inductors and control panels; Described motor adopts dc brushless motor.Said structure because DC driven has improved efficient, has reduced energy consumption.In addition, owing to can realize induction control, thus more convenient during operation, but specific embodiment is not proposed, do not satisfy user's operational requirements.
Summary of the invention
Purpose of the present invention is exactly a kind of simple and reasonable, the environmental protection and energy saving that provide for the deficiency that solves prior art, and power consumption is little, the efficient height, adjustable rotating speed, torque range are big, can realize stepless speed regulation, rotating speed is steady, the DC frequency-changing stepless speed regulation range hood that noise is low.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of DC frequency-changing stepless speed regulation range hood, comprise the blower fan of range hood shell and interior setting thereof, automatically controlled part, it is characterized in that, described automatically controlled part mainly is made up of operation control panel, power board, DC frequency-changing driver module and direct current generator, connect the control panel that has display screen on the power board, the DC frequency-changing driver module is installed in electric machine casing inside, form one with direct current generator, be connected with CON3 interface on the power board by direct current generator lead-out wire interface CON7.
As further specifying of such scheme, interface CON1, CON2, CON3, CON4 (CON5), CON6, CON7 corresponding power AC220V input, operation control connection end (power panel input), motor terminals (power panel output), illumination output, operation control connection end (output) and motor terminals (input) respectively are set in described power board, display control board and the DC frequency-changing driver module; Interface CON2 is connected with interface CON6, and interface CON3 is connected with interface CON7; Be provided with main control chip U2 in the display control panel, be connected with on the pin of main control chip U2 as the IO mouth pin extended chip U1 of button indicator lamp, display screen with as the IO mouth pin extended chip U3 of function control operation button.
Be provided with pin VSS, GND, VCC and FG among the described direct current generator lead-out wire interface CON7, VSS connects motor operating voltage DC310V; GND is working earthing; VCC connects the motor-driven operating voltage; VSP connects motor speed control signal voltage; FG inserts motor speed signal.
Described power supply AC220V is by the interface CON1 on power board input, and wherein one the tunnel becomes DC voltage DC310V via relay K 1, filter inductance T2 with T3, DB3 bridge rectifier; 1,3 of 1,3 pin by interface CON3 and interface CON7 is input to the DC frequency-changing driver module, becomes the direct current generator operating voltage after being handled by the DC frequency-changing driver module; Another road is via isolating transformer T1.
The power input of described power board is provided with isolating transformer T1, control voltage divides two-way to isolate output after isolating transformer T1 transformation, wherein a route DB1 bridge rectifier is input to the DC frequency-changing driver module after the U8 voltage stabilizing becomes DC15V (being VCC) by the 4th pin of interface CON3 and the 4th pin of interface CON7; Another road through the DB2 bridge rectifier after the U7 voltage stabilizing become DC12V after for the power supply of relay, illuminating lamp and the main control chip power is provided.
Be provided with a plurality of function control operation buttons among the described IO mouth pin extended chip U3 as function control operation button, the operating function of each operation push-button is after touching control chip U3, provide input control signal by U3 to main control chip U2, the output control signal is carried out corresponding function after main control chip U2 handles.
The 19th pin of described main control chip U2 is a motor speed control signal voltage output pin, the 3rd pin by interface CON6 is connected with the 3rd of power board interface CON2, behind the U5 chip on the power panel, the 5th pin by interface CON3 is connected with the 5th pin of interface CON7, is input to DC frequency-changing driver module control rotating speed of motor; The rotating speed of motor signal is connected with the 6th pin of interface CON3 by the 6th pin of interface CON7, behind the U6 chip on the power board, is connected with the 4th pin of CON6 by the 4th pin of CON2, is input to the 18th pin of main control chip; Through the program of main control chip, after the data that the rotating speed number of former setting and main control chip the 18th pin feed back compare, adjust the motor speed control signal output voltage of main control chip the 19th pin again.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
Use the range hood of alternating current generator to compare on the range hood that the present invention adopts the DC frequency-changing stepless speed-regulating motor and the market, its major advantage is: 1, environmental protection and energy saving, and power consumption is little, the efficient height; 2, adjustable rotating speed, torque range are big, can realize stepless speed regulation; 3, rotating speed is steady; 4, noise is low; 5, can show the motor actual speed by display screen.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a sectional structure schematic diagram of the present invention;
Fig. 3 is the former road of a circuit of the present invention block diagram;
Fig. 4 is a circuit diagram of the present invention.
Description of reference numerals: 1, operation control panel 2, power board 3, DC frequency-changing driver module 4, direct current generator 5, display control board 6, range hood shell 7, blower fan
The specific embodiment
As Fig. 1～shown in Figure 4, a kind of DC frequency-changing stepless speed regulation range hood, constitute by structure division and automatically controlled part, structure division comprises the blower fan 7 of range hood shell 6 and interior setting thereof, automatically controlled part mainly is made up of operation control panel 1, power board 2, DC frequency-changing driver module 3 and direct current generator 4, be connected with display control board 5 on the power board 2, DC frequency-changing driver module 3 is installed in electric machine casing inside, form one with direct current generator, be connected with CON3 interface on the power board by lead-out wire interface CON7.Wherein VSS is motor operating voltage DC310V; GND is working earthing; VCC is the motor-driven operating voltage; VSP is a motor speed control signal voltage, the different rotating speed of the corresponding motor of its different magnitudes of voltage; FG is a motor speed signal.
Interface CON1, CON2, CON3, CON4 (CON5), CON6, CON7 are respectively power supply AC220V input, operation control connection end (power panel input), motor terminals (power panel output), illumination output, operation control connection end (output), motor terminals (input); Interface CON2 is connected with interface CON6, and interface CON3 is connected with interface CON7; U1 is the IO mouth pin extended chip that button indicator lamp, display screen are connected with U2, and U2 is the main control chip, and U3 is the IO mouth pin extended chip that function control operation button is connected with main control chip U2.
Power supply AC220V is by the interface CON1 on power board input, and wherein one the tunnel becomes DC voltage DC310V (being VSS) via relay K 1, filter inductance T2 with T3, DB3 bridge rectifier; 1,3 of 1,3 pin by interface CON3 and interface CON7 is input to the DC frequency-changing driver module, becomes the direct current generator operating voltage after being handled by the DC frequency-changing driver module; Another road is via isolating transformer T1.
Control voltage divides two-way to isolate output after isolating transformer T1 transformation, and wherein a route DB1 bridge rectifier is input to the DC frequency-changing driver module after the U8 voltage stabilizing becomes DC15V (being VCC) by the 4th pin of interface CON3 and the 4th pin of interface CON7; Another road through the DB2 bridge rectifier after the U7 voltage stabilizing become DC12V after for the power supply of relay, illuminating lamp and the main control chip power is provided.
Function control operation button has: " wind speed+, motor, switch, illumination, ventilation, wind speed-" six press keys, the operating function of each operation push-button is after touching control chip U3, provide input control signal by U3 to main control chip U2, the output control signal is carried out corresponding function after main control chip U2 handles.The 19th pin of main control chip U2 is a motor speed control signal voltage output pin, the 3rd pin by interface CON6 is connected with the 3rd of power board interface CON2, behind the U5 chip on the power panel, the 5th pin by interface CON3 is connected with the 5th pin of interface CON7, is input to DC frequency-changing driver module control rotating speed of motor; The rotating speed of motor signal is connected with the 6th pin of interface CON3 by the 6th pin of interface CON7, behind the U6 chip on the power board, is connected with the 4th pin of CON6 by the 4th pin of CON2, is input to the 18th pin of main control chip; Through the program of main control chip, after the data that the rotating speed number of former setting and main control chip the 18th pin feed back compare, adjust the motor speed control signal output voltage of main control chip the 19th pin again, thereby make rotating speed of motor keep weighing apparatus fixed.
In the use, the user only need operate corresponding key on the control button, the function signal of button correspondence is input to master controller, after the CPU of master controller handles, output motor tach signal control rotating speed of motor, and the rotating speed of motor signal feeds back to master controller through the motor speed testing circuit, master controller determines according to feedback signal whether rotating speed of motor is consistent with the rotating speed of actual set, as the inconsistent output motor speed controling signal of then finely tuning, up to actual speed with set rotating speed in full accord till, master controller also outputs signal to the actual speed number of display screen motor when showing simultaneously.
Above-described only is preferred implementation of the present invention, should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (7)
1. DC frequency-changing stepless speed regulation range hood, comprise the blower fan of range hood shell and interior setting thereof, automatically controlled part, it is characterized in that, described automatically controlled part mainly is made up of operation control panel, power board, DC frequency-changing driver module and direct current generator, be connected with display control board on the power board, the DC frequency-changing driver module is installed in electric machine casing inside, forms one with direct current generator, is connected with CON3 interface on the power board by direct current generator lead-out wire interface CON7.
2. DC frequency-changing stepless speed regulation range hood according to claim 1, it is characterized in that, interface CON1, CON2, CON3, CON4, CON5, CON6, CON7 corresponding power AC220V input, operation control connection end, motor terminals, illumination output, operation control connection end and motor terminals respectively are set in described power board, display control board and the DC frequency-changing driver module; Interface CON2 is connected with interface CON6, and interface CON3 is connected with interface CON7; Be provided with main control chip U2 in the display control panel, be connected with on the pin of main control chip U2 as the IO mouth pin extended chip U1 of button indicator lamp, display screen with as the IO mouth pin extended chip U3 of function control operation button.
3. DC frequency-changing stepless speed regulation range hood according to claim 2 is characterized in that, is provided with pin VSS, GND, VCC and FG among the described direct current generator lead-out wire interface CON7, and VSS connects motor operating voltage DC310V; GND is working earthing; VCC connects the motor-driven operating voltage; VSP connects motor speed control signal voltage; FG inserts motor speed signal.
4. DC frequency-changing stepless speed regulation range hood according to claim 2, it is characterized in that, power supply AC220V is by the interface CON1 on power board input, and wherein one the tunnel becomes DC voltage DC310V via relay K 1, filter inductance T2 with T3, DB3 bridge rectifier; 1,3 of 1,3 pin by interface CON3 and interface CON7 is input to the DC frequency-changing driver module, becomes the direct current generator operating voltage after being handled by the DC frequency-changing driver module; Another road is via isolating transformer T1.
5. DC frequency-changing stepless speed regulation range hood according to claim 2, it is characterized in that, the power input of described power board is provided with isolating transformer T1, control voltage divides two-way to isolate output after isolating transformer T1 transformation, wherein a route DB1 bridge rectifier is input to the DC frequency-changing driver module after the U8 voltage stabilizing becomes DC15V by the 4th pin of interface CON3 and the 4th pin of interface CON7; Another road through the DB2 bridge rectifier after the U7 voltage stabilizing become DC12V after for the power supply of relay, illuminating lamp and the main control chip power is provided.
6. the DC frequency-changing stepless speed regulation range hood of stating according to claim 2, it is characterized in that, be provided with a plurality of function control operation buttons among the described IO mouth pin extended chip U3 as function control operation button, the operating function of each operation push-button is after touching control chip U3, provide input control signal by U3 to main control chip U2, the output control signal is carried out corresponding function after main control chip U2 handles.
7. DC frequency-changing stepless speed regulation range hood according to claim 2, it is characterized in that, the 19th pin of described main control chip U2 is a motor speed control signal voltage output pin, the 3rd pin by interface CON6 is connected with the 3rd of power board interface CON2, behind the U5 chip on the power panel, the 5th pin by interface CON3 is connected with the 5th pin of interface CON7, is input to DC frequency-changing driver module control rotating speed of motor; The rotating speed of motor signal is connected with the 6th pin of interface CON3 by the 6th pin of interface CON7, behind the U6 chip on the power board, is connected with the 4th pin of CON6 by the 4th pin of CON2, is input to the 18th pin of main control chip; Through the program of main control chip, after the data that the rotating speed number of former setting and main control chip the 18th pin feed back compare, adjust the motor speed control signal output voltage of main control chip the 19th pin again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010577825.1A CN102032610B (en) | 2010-12-07 | 2010-12-07 | Direct current frequency-variable stepless speed regulation range hood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010577825.1A CN102032610B (en) | 2010-12-07 | 2010-12-07 | Direct current frequency-variable stepless speed regulation range hood |
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| CN102032610A true CN102032610A (en) | 2011-04-27 |
| CN102032610B CN102032610B (en) | 2015-07-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664570A (en) * | 2012-04-27 | 2012-09-12 | 海尔集团公司 | Range hood |
| CN102777952A (en) * | 2011-05-11 | 2012-11-14 | 浙江帅康电气股份有限公司 | Range hood with rotation speed display |
| WO2016023389A1 (en) * | 2014-08-12 | 2016-02-18 | 中山大洋电机股份有限公司 | Range hood system |
| CN111853891A (en) * | 2020-07-06 | 2020-10-30 | 宁波方太厨具有限公司 | Range hood and control method thereof |
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| CN2510761Y (en) * | 2001-11-12 | 2002-09-11 | 海尔集团公司 | Frequency-conversion controlled stepless speed-regulation type cooking-fume exhauster |
| CN2874922Y (en) * | 2005-12-28 | 2007-02-28 | 海尔集团公司 | Variable frequency fume exhaust fan |
| CN200979235Y (en) * | 2006-12-06 | 2007-11-21 | 江苏光芒厨卫太阳能科技有限公司 | DC brushless frequency-conversion controlled stepless speed-regulating type smoke exhaust ventilator |
| US7323839B1 (en) * | 2006-08-25 | 2008-01-29 | Cheng Uei Precision Industry Co., Ltd. | Direct current motor controlling method |
| CN101900364A (en) * | 2010-07-26 | 2010-12-01 | 江苏光芒厨卫太阳能科技有限公司 | DC frequency conversion range hood |
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2010
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Patent Citations (5)
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| CN2510761Y (en) * | 2001-11-12 | 2002-09-11 | 海尔集团公司 | Frequency-conversion controlled stepless speed-regulation type cooking-fume exhauster |
| CN2874922Y (en) * | 2005-12-28 | 2007-02-28 | 海尔集团公司 | Variable frequency fume exhaust fan |
| US7323839B1 (en) * | 2006-08-25 | 2008-01-29 | Cheng Uei Precision Industry Co., Ltd. | Direct current motor controlling method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777952A (en) * | 2011-05-11 | 2012-11-14 | 浙江帅康电气股份有限公司 | Range hood with rotation speed display |
| CN102664570A (en) * | 2012-04-27 | 2012-09-12 | 海尔集团公司 | Range hood |
| CN102664570B (en) * | 2012-04-27 | 2016-03-09 | 海尔集团公司 | Lampblack absorber |
| WO2016023389A1 (en) * | 2014-08-12 | 2016-02-18 | 中山大洋电机股份有限公司 | Range hood system |
| CN111853891A (en) * | 2020-07-06 | 2020-10-30 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN111853891B (en) * | 2020-07-06 | 2022-01-21 | 宁波方太厨具有限公司 | Range hood and control method thereof |
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| CN102032610B (en) | 2015-07-08 |
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