CN102817860A - Multi-gear control circuit for air conditioner fan or fan - Google Patents
Multi-gear control circuit for air conditioner fan or fan Download PDFInfo
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- CN102817860A CN102817860A CN2012102956364A CN201210295636A CN102817860A CN 102817860 A CN102817860 A CN 102817860A CN 2012102956364 A CN2012102956364 A CN 2012102956364A CN 201210295636 A CN201210295636 A CN 201210295636A CN 102817860 A CN102817860 A CN 102817860A
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Abstract
The invention discloses a multi-gear control circuit for an air conditioner fan or a fan. The multi-gear control circuit comprises a control unit, a three-way switch speed adjusting circuit, a driving motor, a switching control module and a controlled limited current circuit, which are sequentially connected with one another, wherein the controlled limited current circuit is arranged on an inlet bus or an outlet bus of the driving motor, the switching control module is connected with a control end of the controlled limited current circuit by the control unit, the control unit controls the driving motor to work within the first gear according to the three-way switch speed adjusting circuit when the switching control module does not output an effective signal, and the control unit controls the driving motor to work within the second gear according to the three-way switch speed adjusting circuit when the switching control module outputs the effective signal. The multi-gear control circuit has the advantages of being flexible and convenient to adjust, energy source-saving, small in low-speed running noise, simple in structure, and wide in application range.
Description
Technical field
The present invention relates to the home appliance field, be specifically related to a kind of many grades of control circuits that are used for air conditioning fan or fan.
Background technique
The fan of existing technology and air conditioning fan generally adopt drive motor, realize the third gear adjusting.But when fan was used in night sleep, the shortcoming that the ubiquity noise is bigger caused the user to have difficulty in going to sleep or wakes up with a start easily, causes user's sleep quality not high; Though and air conditioning fan is relatively quiet, there is the big shortcoming of power consumption, it is higher to use cost.
Summary of the invention
The technical problem that the present invention will solve provides a kind of flexible, energy saving, low cruise noise many grades of control circuits that are used for air conditioning fan or fan little, simple in structure, applied widely regulated.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is:
A kind of many grades of control circuits that are used for air conditioning fan or fan; Comprise the control unit, third gear switch alignment circuit and the drive motor that link to each other successively; Said many grades of control circuits also comprise switching controls module and controlled current-limiting circuit; Said controlled current-limiting circuit is located on the total input-wire or total outlet of drive motor; Said switching controls module links to each other with the control end of controlled current-limiting circuit through control unit; Said control unit is not worked in first third gear according to third gear switch alignment circuit controlling and driving motor when the switching controls module is exported useful signal, and said control unit switches in second third gear according to third gear switch alignment circuit controlling and driving motor when switching controls module output useful signal and works.
Further improvement as technique scheme:
Preferably, the switching controls module is key switch or remote keying module.
Preferably, said controlled current-limiting circuit is the capacitive reactance current-limiting circuit; Preferably, said capacitive reactance current-limiting circuit comprises the magnetic switch and the current limiting capacitance of parallel connection, and said current limiting capacitance is located on the total input-wire or total outlet of drive motor, and the control end of said magnetic switch links to each other with control unit.
Perhaps preferably, said controlled current-limiting circuit is the induction reactance current-limiting circuit.Preferably, said induction reactance current-limiting circuit comprises the magnetic switch and the AC reactor of parallel connection, and said AC reactor is located on the total input-wire or total outlet of drive motor, and the control end of said magnetic switch links to each other with control unit.
Perhaps preferably, said controlled current-limiting circuit is the voltage stabilizing current-limiting circuit; Preferably, said voltage stabilizing current-limiting circuit is a controllable silicon, and said silicon controlled control end links to each other with said control unit.
The present invention has following advantage: the present invention has increased switching controls module and controlled current-limiting circuit on the basis of existing technology; Controlled current-limiting circuit is located on the total input-wire or total outlet of drive motor; The switching controls module links to each other with the control end of controlled current-limiting circuit through control unit; Control unit is not worked in first third gear according to third gear switch alignment circuit controlling and driving motor when the switching controls module is exported useful signal; Control unit switches in second third gear according to third gear switch alignment circuit controlling and driving motor when switching controls module output useful signal and works; Therefore can be on the basis that keeps original three gears, three driving switch realizations that simple realization increases than low speed amount to six driving switch, make the rotating speed of air-cooling fan motor that the more adjusting of wide range arranged; Be fit to people's demand high wind or quietly the wind speed gear regulate, have and regulate flexible, energy saving, low cruise noise advantage little, simple in structure, applied widely.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the frame structure schematic representation of the embodiment of the invention one.
Fig. 2 is the circuit theory schematic representation of the embodiment of the invention one.
Fig. 3 is the circuit theory schematic representation of the embodiment of the invention two.
Fig. 4 is the circuit theory schematic representation of the embodiment of the invention three.
Marginal data: 1, control unit; 2, third gear switch alignment circuit; 3, drive motor; 4, switching controls module; 5, controlled current-limiting circuit.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Embodiment one:
As shown in Figure 1; The many grades of control circuits that present embodiment is used for air conditioning fan or fan comprise control unit 1, third gear switch alignment circuit 2, drive motor 3, switching controls module 4 and the controlled current-limiting circuit 5 that links to each other successively; Controlled current-limiting circuit 5 is located on the total input-wire or total outlet of drive motor 3; Switching controls module 4 links to each other with the control end of controlled current-limiting circuit 5 through control unit 1; Control unit 1 is not worked in first third gear according to third gear switch alignment circuit 2 controlling and driving motors 3 when switching controls module 4 is exported useful signal, and control unit 1 switches in second third gear according to third gear switch alignment circuit 2 controlling and driving motors 3 when switching controls module 4 output useful signals and works.In the present embodiment; First third gear is 1#, 2#, 3# totally three class; Second third gear is 4#, 5#, 6# totally three class; And 1# is identical with the switching position of the corresponding third gear switch alignment circuit 2 of 4#, 2# and 5#, 3# and 6#, and its difference is the effective status of switching controls module 4 output signals.For example, originally switching controls module 4 output signals are disarmed state, and third gear switch alignment circuit 2 original controlling and driving motors 3 are in 1#, and controlling switching controls module 4 output signals then is effective status, and then drive motor 3 is in 4#.Switching controls module 4 and controlled current-limiting circuit 5 are actually have been increased by 3 rotating speed is lower, noise is littler on original gear basis, the gear of energy saving more, therefore has to regulate flexible, energy saving, low cruise noise advantage little, simple in structure, applied widely.
As shown in Figure 2, control unit 1 adopts the IC chip microcontroller.Third gear switch alignment circuit 2 is realized based on VS1, VS2, three gate turnoff thyristors of VS3.Drive motor 3 has 1,2 two coil for having the AC motor (M) of 130 degrees centigrade automatic power-off protection function in the motor, wherein 1 is three tap speed governing main windings, and 2 is the secondary winding starting coil.One end lead-out wire RD of 1 main winding starts electric capacity with C1 and is connected; The other end that C1 starts electric capacity is connected with the 2 lead-out wire GY that start the auxiliary winding coil; Dress is pasting a hot coupling temperature detect switch (TDS) of KM in the motor coil winding, and the hot coupling temperature detect switch (TDS) of this KM is generally selected for use at 130 degree, when the motor coil temperature raise 130 when spending; The hot coupling temperature detect switch (TDS) of KM conducting again becomes open circuit; Making drive motors 3 start the auxiliary winding coils does not have electric current and voltage, thus motor do not work, realized the too high automatic protection of temperature.1 main winding has three taps; It is BU low speed, YE middling speed, the high rotating speed lighting outlet of WT; It respectively with third gear switch alignment circuit 2 in VS1, VS2, VS3 gate turnoff thyristor pipe A anode be connected; The k negative electrode of VS1, VS2, VS3 gate turnoff thyristor pipe is connected the FU protective tube, and the other end of FU protective tube is connected power supply L live wire input end.VS1, VS2, the VS3 reverse-blocking tetrode thyristor pipe G control utmost point trigger resistance with R1, R2, R3 current limliting respectively and are connected to the intelligent control of control module 1 (IC single-chip microcomputer) leading foot enforcement.Switching controls module 4 can be selected key switch or remote keying module as required for use; In the present embodiment; Switching controls module 4 comprises key switch and remote keying module simultaneously; Wherein SQP is the strong input of manual ringing of corresponding key switch, and VD is the infrared ray photoelectricity receiving tube of corresponding remote keying module, is used for the input of long-distance wireless remote control signal.The controlled current-limiting circuit 5 of present embodiment is the capacitive reactance current-limiting circuit; The capacitive reactance current-limiting circuit of present embodiment comprises the magnetic switch KJ/KJ1 and the current limiting capacitance C2 of parallel connection; Current limiting capacitance C2 is located in total outlet of drive motor 3 (be located on the total input-wire also can), and the control end of magnetic switch KJ/KJ1 links to each other with control unit 1 through resistance R 4.Magnetic switch KJ/KJ1 links to each other with the input power supply through controllable silicon VS4.
The working principle of controlled current-limiting circuit 5 is following in the present embodiment: when control unit 1 output high level; The voltage of high level triggers the control utmost point G that resistance R 4 offers controllable silicon VS4 through current limliting; VS4 controllable silicon negative electrode K and anode A conducting, the KJ relay coil obtains voltage, the K switch J1 adhesive of relay; Current limiting capacitance C2 is by short circuit, and control unit 1 is worked in first third gear (1#, 2#, 3#) according to third gear switch alignment circuit 2 controlling and driving motors 3; When control unit 1 output low level; VS4 controllable silicon negative electrode K and anode A are broken off, and magnetic switch KJ1 breaks off, and this moment, current limiting capacitance C2 was connected; Current limiting capacitance C2 can not intercept Ac, but the capacitive reactance that can under the alternating signal frequency, produce limits maximum operating currenbt.For example, under the power frequency condition of 50Hz, the capacitive reactance that electric capacity produced of a 1uF is about 3180 ohm; Be added in the two ends of current limiting capacitance C2 when the alternating voltage of 220V; The maximum current that then flows through electric capacity is about 70mA, though flow through the electric current of electric capacity 70mA is arranged, and on current limiting capacitance C2, does not produce power consumption; Because if current limiting capacitance C2 is an ideal capacitance; The electric current that then flows through current limiting capacitance C2 is the imaginary part electric current, and the merit that it is done is a wattless power, therefore because the metering function of current limiting capacitance C2; In fact be equivalent to reduce the electric current in loop, drive motor 3 place, thereby made that this moment, control unit 1 was worked in first third gear (4#, 5#, 6#) according to third gear switch alignment circuit 2 controlling and driving motors 3.
Embodiment two:
Present embodiment and embodiment one are basic identical, and its difference is that controlled current-limiting circuit 5 is the induction reactance current-limiting circuit.As shown in Figure 3; The induction reactance current-limiting circuit of present embodiment comprises the magnetic switch KJ2/KJ3 and the AC reactor LAC of parallel connection; AC reactor LAC is located in total outlet of drive motor 3 (be located on the total input-wire also can), and the control end of magnetic switch KJ2/KJ3 links to each other with control unit 1 through resistance R 5.Magnetic switch KJ2/KJ3 links to each other with the input power supply through controllable silicon VS5.The induction reactance current-limiting circuit of present embodiment is similar basically with embodiment one capacitive reactance current-limiting circuit, and difference is that current limliting capacitor C 2 has changed AC reactor LAC into.
The working principle of controlled current-limiting circuit 5 is following in the present embodiment: when control unit 1 passes through resistance R 5 to the control end G of controllable silicon VS5 output high level; The negative electrode K of controllable silicon VS5 and anode A conducting; AC reactor LAC is by short circuit, and this moment, control unit 1 was worked in first third gear (1#, 2#, 3#) according to third gear switch alignment circuit 2 controlling and driving motors 3; When control unit 1 passes through resistance R 5 to the control end G of controllable silicon VS5 output low level; The negative electrode K of controllable silicon VS5 and anode A are broken off; AC reactor LAC access circuit; Because the induction reactance of AC reactor LAC itself, AC reactor LAC plays metering function to the electric current of circuit, thereby control unit 1 is worked in second third gear (4#, 5#, 6#) according to third gear switch alignment circuit 2 controlling and driving motors 3.
Embodiment three:
Present embodiment and embodiment one are basic identical, and its difference is that controlled current-limiting circuit 5 is the voltage stabilizing current-limiting circuit.As shown in Figure 4, the mu balanced circuit of present embodiment is controllable silicon (silicon crystal thyratron) VS6, and the control end of controllable silicon VS6 links to each other with control unit 1.
The working principle of ghyristor circuit 5 is following in the present embodiment: when control unit 1 passes through resistance R 6 to the control end G of controllable silicon VS6 output high level; The negative electrode K of controllable silicon VS6 and anode A conducting, this moment, control unit 1 was worked in first third gear (1#, 2#, 3#) according to three position switch alignment circuits, 2 controlling and driving motors 3; When control unit 1 through to resistance R 6 during to the control end G of controllable silicon VS6 input time delay evoked potential; Make negative electrode K and the anode A two terminal voltages time-delay conducting of controllable silicon VS6; Controllable silicon VS6 plays metering function, and control unit 1 is worked in second third gear (4#, 5#, 6#) according to third gear switch alignment circuit 2 controlling and driving motors 3.
The above is merely preferred implementation of the present invention, and protection scope of the present invention is not limited in above-mentioned mode of execution, and every technological scheme that belongs to the principle of the invention all belongs to protection scope of the present invention.For a person skilled in the art, some improvement and the retouching under the prerequisite that does not break away from principle of the present invention, carried out, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. many grades of control circuits that are used for air conditioning fan or fan; Comprise the control unit (1), third gear switch alignment circuit (2) and the drive motor (3) that link to each other successively; It is characterized in that: said many grades of control circuits also comprise switching controls module (4) and controlled current-limiting circuit (5); Said controlled current-limiting circuit (5) is located on the total input-wire or total outlet of drive motor (3); Said switching controls module (4) links to each other with the control end of controlled current-limiting circuit (5) through control unit (1); Said control unit (1) is not worked in first third gear according to third gear switch alignment circuit (2) controlling and driving motor (3) when exporting useful signal in switching controls module (4), and said control unit (1) switches in work in second third gear according to third gear switch alignment circuit (2) controlling and driving motor (3) when switching controls module (4) output useful signal.
2. many grades of control circuits that are used for air conditioning fan or fan according to claim 1 is characterized in that: said switching controls module (4) is key switch or remote keying module.
3. many grades of control circuits that are used for air conditioning fan or fan according to claim 1 and 2 is characterized in that: said controlled current-limiting circuit (5) is the capacitive reactance current-limiting circuit.
4. many grades of control circuits that are used for air conditioning fan or fan according to claim 3; It is characterized in that: said capacitive reactance current-limiting circuit comprises the magnetic switch and the current limiting capacitance of parallel connection; Said current limiting capacitance is located on the total input-wire or total outlet of drive motor (3), and the control end of said magnetic switch links to each other with control unit (1).
5. many grades of control circuits that are used for air conditioning fan or fan according to claim 1 and 2 is characterized in that: said controlled current-limiting circuit (5) is the induction reactance current-limiting circuit.
6. many grades of control circuits that are used for air conditioning fan or fan according to claim 5; It is characterized in that: said induction reactance current-limiting circuit comprises the magnetic switch and the AC reactor of parallel connection; Said AC reactor is located on the total input-wire or total outlet of drive motor (3), and the control end of said magnetic switch links to each other with control unit (1).
7. many grades of control circuits that are used for air conditioning fan or fan according to claim 1 and 2 is characterized in that: said controlled current-limiting circuit (5) is the voltage stabilizing current-limiting circuit.
8. many grades of control circuits that are used for air conditioning fan or fan according to claim 7 is characterized in that: said voltage stabilizing current-limiting circuit is a controllable silicon, and said silicon controlled control end links to each other with said control unit (1).
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CN201210295636.4A CN102817860B (en) | 2012-08-17 | 2012-08-17 | Multi-gear control circuit for air conditioner fan or fan |
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CN201210295636.4A CN102817860B (en) | 2012-08-17 | 2012-08-17 | Multi-gear control circuit for air conditioner fan or fan |
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Cited By (11)
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CN104005972A (en) * | 2013-02-25 | 2014-08-27 | 广东美的环境电器制造有限公司 | Control circuit and air fan with control circuit |
CN105429556A (en) * | 2015-12-08 | 2016-03-23 | 珠海格力电器股份有限公司 | Motor gear expansion circuit and motor gear expansion method |
CN106054077A (en) * | 2016-07-08 | 2016-10-26 | 珠海格力电器股份有限公司 | Speed regulation voltage switching circuit and power strip |
CN106357175A (en) * | 2016-10-10 | 2017-01-25 | 广东顺德锐铂汇电子科技有限公司 | Multi-shift control circuit of blushless direct current motor |
CN107956730A (en) * | 2017-11-27 | 2018-04-24 | 卫星电子(中山)有限公司 | A kind of fan control system |
CN107992001A (en) * | 2017-11-24 | 2018-05-04 | 卫星电子(中山)有限公司 | A kind of device easy to control ceiling fan air-conditioning window |
CN108494314A (en) * | 2018-04-20 | 2018-09-04 | 珠海格力电器股份有限公司 | A kind of motor control method, circuit for controlling motor and motor |
CN109209972A (en) * | 2018-10-16 | 2019-01-15 | 卫星电子(中山)有限公司 | A kind of fan with simple speed-regulating function |
CN110319472A (en) * | 2019-07-29 | 2019-10-11 | 广东爱贝尔电气股份有限公司 | One key accelerates smoke exhaust ventilator |
CN112665164A (en) * | 2020-11-30 | 2021-04-16 | 珠海格力电器股份有限公司 | Control circuit of air conditioner and control method thereof |
CN110737235B (en) * | 2019-11-01 | 2022-10-21 | 中核核电运行管理有限公司 | Double-speed motor control device and method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62178195A (en) * | 1986-01-29 | 1987-08-05 | Sharp Corp | Control circuit for load current of various induction apparatus |
JPH01222692A (en) * | 1988-03-01 | 1989-09-05 | Matsushita Seiko Co Ltd | Fan control device |
CN2103683U (en) * | 1991-05-31 | 1992-05-06 | 山东金龙电器总厂 | Electronic timing controller for natural wind imitating electric fan |
CN1334406A (en) * | 2001-07-20 | 2002-02-06 | 宋志辉 | Fan with cyclic timing function |
CN101257280A (en) * | 2008-02-29 | 2008-09-03 | 佛山市中格威电子有限公司 | Stepless speed regulating electric fan |
CN102305217A (en) * | 2011-08-24 | 2012-01-04 | 美的集团有限公司 | Speed multiplying circuit |
CN202811439U (en) * | 2012-08-17 | 2013-03-20 | 佛山市顺德区海伦宝电器有限公司 | Multi-speed control circuit for air conditioner fan or fan |
-
2012
- 2012-08-17 CN CN201210295636.4A patent/CN102817860B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62178195A (en) * | 1986-01-29 | 1987-08-05 | Sharp Corp | Control circuit for load current of various induction apparatus |
JPH01222692A (en) * | 1988-03-01 | 1989-09-05 | Matsushita Seiko Co Ltd | Fan control device |
CN2103683U (en) * | 1991-05-31 | 1992-05-06 | 山东金龙电器总厂 | Electronic timing controller for natural wind imitating electric fan |
CN1334406A (en) * | 2001-07-20 | 2002-02-06 | 宋志辉 | Fan with cyclic timing function |
CN101257280A (en) * | 2008-02-29 | 2008-09-03 | 佛山市中格威电子有限公司 | Stepless speed regulating electric fan |
CN102305217A (en) * | 2011-08-24 | 2012-01-04 | 美的集团有限公司 | Speed multiplying circuit |
CN202811439U (en) * | 2012-08-17 | 2013-03-20 | 佛山市顺德区海伦宝电器有限公司 | Multi-speed control circuit for air conditioner fan or fan |
Cited By (17)
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CN104005972B (en) * | 2013-02-25 | 2016-03-23 | 广东美的环境电器制造有限公司 | A kind of control circuit and there is the fan of this control circuit |
CN104005972A (en) * | 2013-02-25 | 2014-08-27 | 广东美的环境电器制造有限公司 | Control circuit and air fan with control circuit |
CN105429556A (en) * | 2015-12-08 | 2016-03-23 | 珠海格力电器股份有限公司 | Motor gear expansion circuit and motor gear expansion method |
CN105429556B (en) * | 2015-12-08 | 2018-03-27 | 珠海格力电器股份有限公司 | Motor gear expanded circuit and motor gear extended method |
CN106054077A (en) * | 2016-07-08 | 2016-10-26 | 珠海格力电器股份有限公司 | Speed regulation voltage switching circuit and power strip |
CN106357175A (en) * | 2016-10-10 | 2017-01-25 | 广东顺德锐铂汇电子科技有限公司 | Multi-shift control circuit of blushless direct current motor |
CN106357175B (en) * | 2016-10-10 | 2023-04-21 | 广东顺德锐铂汇电子科技有限公司 | Multi-gear speed control circuit of brushless DC motor |
CN107992001A (en) * | 2017-11-24 | 2018-05-04 | 卫星电子(中山)有限公司 | A kind of device easy to control ceiling fan air-conditioning window |
CN107956730B (en) * | 2017-11-27 | 2019-08-16 | 卫星电子(中山)有限公司 | A kind of fan control system |
CN107956730A (en) * | 2017-11-27 | 2018-04-24 | 卫星电子(中山)有限公司 | A kind of fan control system |
CN108494314A (en) * | 2018-04-20 | 2018-09-04 | 珠海格力电器股份有限公司 | A kind of motor control method, circuit for controlling motor and motor |
CN108494314B (en) * | 2018-04-20 | 2020-04-21 | 珠海格力电器股份有限公司 | Motor control method, motor control circuit and motor |
CN109209972A (en) * | 2018-10-16 | 2019-01-15 | 卫星电子(中山)有限公司 | A kind of fan with simple speed-regulating function |
CN109209972B (en) * | 2018-10-16 | 2024-02-09 | 卫星电子(中山)有限公司 | Fan with simple speed regulation function |
CN110319472A (en) * | 2019-07-29 | 2019-10-11 | 广东爱贝尔电气股份有限公司 | One key accelerates smoke exhaust ventilator |
CN110737235B (en) * | 2019-11-01 | 2022-10-21 | 中核核电运行管理有限公司 | Double-speed motor control device and method |
CN112665164A (en) * | 2020-11-30 | 2021-04-16 | 珠海格力电器股份有限公司 | Control circuit of air conditioner and control method thereof |
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