CN203175926U - Intelligent gear-shifting automatic natural wind energy-saving electric fan - Google Patents
Intelligent gear-shifting automatic natural wind energy-saving electric fan Download PDFInfo
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- CN203175926U CN203175926U CN 201320206870 CN201320206870U CN203175926U CN 203175926 U CN203175926 U CN 203175926U CN 201320206870 CN201320206870 CN 201320206870 CN 201320206870 U CN201320206870 U CN 201320206870U CN 203175926 U CN203175926 U CN 203175926U
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Abstract
The utility model relates to an intelligent gear-shifting automatic natural wind energy-saving electric fan, and can effectively solve the problems that a motor easily emits heat when a fan is used for a long time, and a user feels dizzy due to excessive wind force. The technical scheme includes that the electric fan comprises a fan cover, a support frame, a base, a motor and fan blades, the support frame is mounted on the base, the fan cover is mounted on the upper portion of the base through a cover head, the motor is mounted in the cover head, the fan blades mounted on a rotating shaft of the motor are arranged in the fan cover, a telescopic guide rod is mounted on the cover head, three pyroelectric infrared sensors are respectively mounted at the upper end of the telescopic guide rod, a natural wind indicating lamp, a high-gear indicating lamp, a middle-gear indicating lamp and a low-gear indicating lamp are parallelly mounted on the upper portion of the support frame, a maximum temperature detection sensor, a minimum temperature detection sensor and a photoresistor are parallelly mounted on the lower portion of the support frame, a power switch, a forced natural wind switch and a reset key are sequentially mounted on the base, and a control circuit is mounted in the base through a circuit board. Positions can be automatically detected, the rotating speed of the electric fan is changed and is controlled in real time, and use effects are fine.
Description
Technical field
The utility model relates to household electric appliance, particularly the automatic natural wind energy-saving electric fan of a kind of intelligent gearshift.
Background technique
Present known common electrical fan needs the user to shift gears when gearshift, can not well control the rotating speed of electric fan in real time, electric fan generally is divided into high, medium and low three gears, relation between three gears and the total output is: 99.9%, 66.9%, 33.3%, generally all can directly be chosen in the high tap position full power operation, motor of long duration generates heat easily, adds the aging of speed motor, also relatively takes; In addition high tap position personnel from nearer the time, rotate at a high speed at electric fan, the user from electric fan too close to, wind-force is too big, makes the people feel uncomfortable easily, causes symptoms such as dizziness easily.People's operating habit is to select low gear for use close to the electric fan time mostly, selects top gear during distance for use.Electric fan must guard against after the anxious heat that blow-time is long, wind-force is excessive when using electric fan, preferably adopt shake the head, low speed, natural windscreen is for well, therefore, the improvement of electric fan and innovation are the problems that needs solution.
Summary of the invention
At above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides the automatic natural wind energy-saving electric fan of a kind of intelligent gearshift, can effectively solve fan motor of a specified duration service time generate heat easily, take electricity and distance when near wind-force cause dizzy problem too greatly easily.
The technological scheme that the utility model solves is, comprise the fan cover, supporting frame, base, motor and fan blade, supporting frame is contained on the base, the fan cover is equipped with through capouch in base top, motor is contained in the capouch, in the fan cover fan blade that is contained on the motor rotation axis is arranged, flexible guide rod is housed on the capouch, the upper end portion of flexible guide rod is equipped with 3 pyroelectric infrared sensors respectively, natural wind tutorial light side by side is equipped with on supporting frame top, high-grade tutorial light, middle-grade tutorial light and low-grade tutorial light, upper limiting temperature detecting sensor side by side is equipped with in the supporting frame bottom, lower limit temperature detecting sensor and photoresistor, power switch is housed on the base successively, force natural wind switch and reset key, through circuit board control circuit is housed in the base.
The utility model novel structure uniqueness, advantages of simple, safe and reliable, easy to operate, automatically inspector position, automatically change electric fan rotating speed, can control the rotating speed of electric fan in real time, when night and ambient temperature are consistent with the human body temperature scope, can be transformed into the natural wind pattern automatically, can also manually be in single natural wind state, in outage automatically after the time-delay regular hour after personnel leave certain scope under the self shifter pattern, using effect is good, is the innovation on the electric fan.
Description of drawings
Fig. 1 is plan view of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is use phase diagram of the present utility model.
Fig. 4 is the partial enlarged drawing of this practical Fig. 3.
Fig. 5 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Provided by Fig. 1-5, the utility model comprises the fan cover, supporting frame, base, motor and fan blade, supporting frame 2 is contained on the base 1, fan cover 4 is equipped with through capouch 3 in base 1 top, motor 12 is contained in the capouch 3, in the fan cover 4 fan blade 5 that is contained on motor 12 rotatingshafts is arranged, flexible guide rod 11 is housed on the capouch 3, the upper end portion of flexible guide rod 11 is equipped with 3 pyroelectric infrared sensor PIR1 respectively, PIR2, PIR3, natural wind tutorial light 7 side by side is equipped with on supporting frame 2 tops, high-grade tutorial light 8, middle-grade tutorial light 9 and low-grade tutorial light 10, upper limiting temperature detecting sensor RT1 side by side is equipped with in supporting frame 2 bottoms, lower limit temperature detecting sensor RT2 and photoresistor RG1, power switch K1 is housed on the base 1 successively, force natural wind K switch 2 and reset key SWA, through circuit board control circuit is housed in the base 1.
For guaranteeing using effect, described control circuit comprises the rpyroelectric infrared signal amplification circuit, signal lag anti-jamming circuit IC9, inverter circuit IC5, photoelectric detective circuit IC6, upper and lower temperature-control circuit IC8, power circuit IC7, thyristor gating circuit IC10 and single-chip microcomputer IC4, single-chip microcomputer IC4 meets signal lag anti-jamming circuit IC9 and inverter circuit IC5 respectively, and signal lag anti-jamming circuit IC9 meets the first rpyroelectric infrared signal amplification circuit IC1 respectively, the second rpyroelectric infrared signal amplification circuit IC2 and the 3rd rpyroelectric infrared signal amplification circuit IC3; Inverter circuit IC5 links to each other with motor 12 with power circuit IC7 respectively through thyristor gating circuit IC10, and motor 12 connects power supply through power switch K1; High-grade tutorial light 8, middle-grade tutorial light 9 and low-grade tutorial light 10 in parallel are housed on the inverter circuit IC5, and high-grade tutorial light 8, middle-grade tutorial light 9 and low-grade tutorial light 10 are respectively through resistance R 50, resistance R 51, resistance R 52 ground connection; 40 pin of single-chip microcomputer IC4 connect an end of power supply and natural wind K switch 2 respectively, the other end of natural wind K switch 2 connects the negative pole of 31 pin, natural wind tutorial light 7 and the diode D5 of single-chip microcomputer IC4 respectively, natural wind tutorial light 7 is through resistance R 54 ground connection, the positive pole of diode D5 connects 3 pin of OR circuit U2A, and 1 pin of OR circuit U2A and 2 pin connect lower limit temperature control circuit IC8 and photoelectric detective circuit IC6 respectively; 19 pin of single-chip microcomputer IC4 connect an end of capacitor C 18 and an end of crystal oscillator respectively, and 18 pin of single-chip microcomputer IC4 connect an end of capacitor C 19 and the other end of crystal oscillator respectively, the common end ground connection of capacitor C 18 and capacitor C 19; 9 pin of single-chip microcomputer IC4 connect an end of capacitor C 21, an end of resistance R 47 and an end of resistance R 48 respectively, and the other end of capacitor C 21 is through the other end of reset key SWA connecting resistance R47,20 pin of the other end of resistance R 48 and single-chip microcomputer IC4 ground connection in parallel;
Described signal lag anti-jamming circuit IC9 comprises four-operational amplifier U1B, U1C, U1D, the end of the 1 pin difference connecting resistance R75 of single-chip microcomputer IC4 and 8 pin of four-operational amplifier U1C, the minus earth of four-operational amplifier U1C, positive pole connects power supply, the end of the 9 pin difference connecting resistance R71 of four-operational amplifier U1C and an end of resistance R 72, another termination power of resistance R 71,10 pin connect an end of capacitor C 31 and an end of resistance R 74 respectively, the end of the other end connecting resistance R73 of resistance R 74, the other end of resistance R 72, the other end of resistance R 73, the other end of the other end of capacitor C 31 and resistance R 75 ground connection in parallel; The end of the 2 pin difference connecting resistance R80 of single-chip microcomputer IC4 and 7 pin of four-operational amplifier U1B, the end of the 6 pin difference connecting resistance R76 of four-operational amplifier U1B and an end of resistance R 77, another termination power of resistance R 76,5 pin connect an end of capacitor C 32 and an end of resistance R 79 respectively, one end of the other end resistance R 78 of resistance R 79, the other end of the other end of the other end of resistance R 77, resistance R 78, the other end of capacitor C 32 and resistance R 80 ground connection in parallel; The end of the 3 pin difference connecting resistance R85 of single-chip microcomputer IC4 and 14 pin of four-operational amplifier U1D, 13 pin of four-operational amplifier U1D are through the end of difference connecting resistance R81 and an end of resistance R 82, another termination power of resistance R 81,12 pin connect an end of capacitor C 33 and an end of resistance R 84 respectively, the end of the other end connecting resistance R83 of resistance R 84, the other end of the other end of the other end of resistance R 82, resistance R 83, the other end of capacitor C 33 and resistance R 85 ground connection in parallel;
The described first rpyroelectric infrared signal amplification circuit IC1 comprises pyroelectric infrared sensor PIR1 and four-operational amplifier U1A, U1B, U1C, U1D, the end of the 1 pin difference connecting resistance R2 of pyroelectric infrared sensor PIR1 and an end of capacitor C 4, the other end ground connection of capacitor C 4, the other end of resistance R 2 is an end and the power supply of connecting resistance R4 respectively, the other end of resistance R 4 connects 2 pin of four-operational amplifier U1A and an end of resistance R 8 respectively, the other end of resistance R 8 is the end of connecting resistance R13 respectively, one end of capacitor C 9 and 5 pin of four-operational amplifier U1B, the end of the other end difference connecting resistance R19 of resistance R 13 and 12 pin of four-operational amplifier U1D, the 11 pin ground connection of four-operational amplifier U1A, 4 pin connect power supply, 3 pin connect an end of capacitor C 6 respectively, one end of resistance R 7,7 pin of four-operational amplifier U1B and 13 pin of four-operational amplifier U1D, 1 pin connects the positive pole of diode D3, the other end of resistance R 7 connects the other end of capacitor C 6 respectively through potentiometer PR1,6 pin of four-operational amplifier U1B and an end of capacitor C 7, the other end of capacitor C 7 connects 8 pin of four-operational amplifier U1C respectively through resistance R 18, one end of resistance R 10 and an end of capacitor C 5,9 pin of four-operational amplifier U1C connect the other end of capacitor C 5 respectively, the end of the other end of resistance R 10 and potentiometer PR2, potentiometer PR2 connects 2 pin of pyroelectric infrared sensor PIR1 respectively through resistance R 11, one end of resistance R 14 and an end of resistance R 15, the other end of resistance R 14 connects an end of capacitor C 8 and 10 pin of four-operational amplifier U1C respectively, 3 pin of pyroelectric infrared sensor PIR1, the other end of resistance R 15, the other end of capacitor C 8, the other end of the other end of resistance R 19 and capacitor C 9 ground connection in parallel, 14 pin of four-operational amplifier U1D connect the negative pole of diode D3 respectively through diode D4, one end of resistance R 12 and resistance R 74, the common end of resistance R 73, the other end ground connection of resistance R 12;
The described second rpyroelectric infrared signal amplification circuit IC2 comprises pyroelectric infrared sensor PIR2 and four-operational amplifier U3A, U3B, U3C, U3D, the end of the 1 pin difference connecting resistance R21 of pyroelectric infrared sensor PIR2 and an end of capacitor C 10, the other end ground connection of capacitor C 10, the other end of resistance R 21 is an end and the power supply of connecting resistance R22 respectively, the other end of resistance R 22 connects 2 pin of four-operational amplifier U3A and an end of resistance R 27 respectively, the other end of resistance R 27 is the end of connecting resistance R35 respectively, one end of capacitor C 17 and 5 pin of four-operational amplifier U3B, the end of the other end difference connecting resistance R40 of resistance R 35 and 12 pin of four-operational amplifier U3D, the 11 pin ground connection of four-operational amplifier U3A, 4 pin connect power supply, 3 pin connect an end of capacitor C 12 respectively, one end of resistance R 26,7 pin of four-operational amplifier U3B and 13 pin of four-operational amplifier U3D, 1 pin connects the positive pole of diode D6, the other end of resistance R 26 connects the other end of capacitor C 12 respectively through potentiometer PR3,6 pin of four-operational amplifier U3B and an end of capacitor C 14, the other end of capacitor C 14 connects 8 pin of four-operational amplifier U3C respectively through resistance R 38, one end of resistance R 28 and an end of capacitor C 11,9 pin of four-operational amplifier U3C connect the other end of capacitor C 11 respectively, the end of the other end of resistance R 28 and potentiometer PR4, potentiometer PR4 connects 2 pin of pyroelectric infrared sensor PIR2 respectively through resistance R 30, one end of resistance R 36 and an end of resistance R 37, the other end of resistance R 36 connects an end of capacitor C 16 and 10 pin of four-operational amplifier U3C respectively, 3 pin of pyroelectric infrared sensor PIR2, the other end of resistance R 37, the other end of capacitor C 16, the other end of the other end of resistance R 38 and capacitor C 17 ground connection in parallel, 14 pin of four-operational amplifier U3D connect the negative pole of diode D6 respectively through diode D7, one end of resistance R 34 and resistance R 78, the common end of resistance R 79, the other end ground connection of resistance R 34;
Described the 3rd rpyroelectric infrared signal amplification circuit IC3 comprises pyroelectric infrared sensor PIR3 and four-operational amplifier U5A, U5B, U5C, U5D, the end of the 1 pin difference connecting resistance R44 of pyroelectric infrared sensor PIR3 and an end of capacitor C 22, the other end ground connection of capacitor C 22, the other end of resistance R 44 is an end and the power supply of connecting resistance R46 respectively, the other end of resistance R 46 connects 2 pin of four-operational amplifier U5A and an end of resistance R 53 respectively, the other end of resistance R 53 is the end of connecting resistance R58 respectively, one end of capacitor C 27 and 5 pin of four-operational amplifier U5B, the end of the other end difference connecting resistance R62 of resistance R 58 and 12 pin of four-operational amplifier U5D, the 11 pin ground connection of four-operational amplifier U5A, 4 pin connect power supply, 3 pin connect an end of capacitor C 24 respectively, one end of resistance R 49,7 pin of four-operational amplifier U5B and 13 pin of four-operational amplifier U5D, 1 pin connects the positive pole of diode D8, the other end of resistance R 49 connects the other end of capacitor C 24 respectively through potentiometer PR5,6 pin of four-operational amplifier U5B and an end of capacitor C 25, the other end of capacitor C 25 connects 8 pin of four-operational amplifier U5C respectively through resistance R 61, one end of resistance R 55 and an end of capacitor C 23,9 pin of four-operational amplifier U5C connect the other end of capacitor C 23 respectively, the end of the other end of resistance R 55 and potentiometer PR6, potentiometer PR6 connects 2 pin of pyroelectric infrared sensor PIR3 respectively through resistance R 56, one end of resistance R 60 and an end of resistance R 59, the other end of resistance R 59 connects an end of capacitor C 26 and 10 pin of four-operational amplifier U5C respectively, 3 pin of pyroelectric infrared sensor PIR3, the other end of resistance R 60, the other end of capacitor C 26, the other end of the other end of resistance R 62 and capacitor C 27 ground connection in parallel, 14 pin of four-operational amplifier U5D connect the negative pole of diode D8 respectively through diode D9, one end of resistance R 57 and resistance R 83, the common end of resistance R 84, the other end ground connection of resistance R 57;
Described photoelectric detective circuit IC6 comprises dual operational amplifier 2B, 7 pin of dual operational amplifier 2B connect 2 pin of OR circuit U2A, the end of the 4 pin difference connecting resistance R69 of dual operational amplifier 2B and an end of resistance R 68, the other end of 5 pin difference connecting resistance R68 and the end of photoresistor RG1 link to each other, the other end of 6 pin difference connecting resistance R69 and an end of resistance R 70,8 pin of dual operational amplifier 2B, the other end of resistance R 70, photoresistor RG1 ground connection in parallel;
Described upper and lower temperature-control circuit IC8 comprises dual operational amplifier 2A, the end of the 1 pin difference connecting resistance R64 of dual operational amplifier 2A and an end of resistance R 67,1 pin of another termination OR circuit U2A of resistance R 67,4 pin of dual operational amplifier 2A connect power supply respectively, the end of one end of resistance R 63 and upper limiting temperature detecting sensor RT1, resistance R 63 is through the end of lower limit temperature detecting sensor RT2 difference connecting resistance R65 and the end of potentiometer PR8, the other end of the other end difference connecting resistance R64 of resistance R 65 and 3 pin of dual operational amplifier 2A, the end of the other end difference connecting resistance R66 of upper limiting temperature detecting sensor RT1 and the end of potentiometer PR7,8 pin of dual operational amplifier 2A, the other end of the other end of potentiometer PR8 and potentiometer PR7 ground connection in parallel;
Described inverter circuit IC5 comprises 3 phase inverter U4A, U4B, U4C in parallel, and 3 phase inverter U4A, U4B, U4C connect 21 pin, 22 pin and 23 pin of single-chip microcomputer IC4 respectively;
Described thyristor gating circuit IC10 comprises first thyristor gating circuit in parallel, second thyristor gating circuit and the 3rd thyristor gating circuit, described first thyristor gating circuit comprises photo coupler OC1 and bidirectional triode thyristor TIRAC1,1 pin of photo coupler OC1 connects the other end of phase inverter U4A through resistance R 25,3 pin ground connection, 2 pin are through the end of resistance R 23 difference connecting resistance R24,1 pin of bidirectional triode thyristor TIRAC1 and 1 pin of motor 12, the other end of resistance R 24 connects 2 pin of bidirectional triode thyristor TIRAC1 and an end of resistance R 29 respectively through capacitor C 13, and the other end of resistance R 29 connects 3 pin of bidirectional triode thyristor TIRAC1 and 4 pin of photo coupler OC1 respectively; Described second thyristor gating circuit comprises photo coupler OC2 and bidirectional triode thyristor TIRAC2,1 pin of photo coupler OC2 connects the other end of phase inverter U4B through resistance R 33,3 pin ground connection, 2 pin are through an end, 1 pin of bidirectional triode thyristor TIRAC2 and 2 pin of motor 12 of resistance R 31 difference connecting resistance R32, the other end of resistance R 32 connects 2 pin of bidirectional triode thyristor TIRAC2 and an end of resistance R 39 respectively through capacitor C 15, and the other end of resistance R 39 connects 3 pin of bidirectional triode thyristor TIRAC3 and 4 pin of photo coupler OC2 respectively; Described the 3rd thyristor gating circuit comprises photo coupler OC3 and bidirectional triode thyristor TIRAC3,1 pin of photo coupler OC3 connects the other end of phase inverter U4C through resistance R 43,3 pin ground connection, 2 pin are through an end, 1 pin of bidirectional triode thyristor TIRAC3 and 3 pin of motor 12 of resistance R 41 difference connecting resistance R42, the other end of resistance R 42 connects 2 pin of bidirectional triode thyristor TIRAC3 and an end of resistance R 45 respectively through capacitor C 20, and the other end of resistance R 45 connects 3 pin of bidirectional triode thyristor TIRAC3 and 4 pin of photo coupler OC3 respectively;
Described power circuit IC7 comprises three terminal regulator 13 and mutual inductor TG1,1 pin of three terminal regulator 13 connects an end of capacitor C 30, the negative pole of diode D1 and the negative pole of diode D2 respectively, the positive pole of diode D1 connects the positive pole of diode D2 through mutual inductor TG1,3 pin of three terminal regulator 13 connect an end of power supply, capacitor C 28, an end of capacitor C 29 respectively, the other end of the other end of mutual inductor TG1, capacitor C 30,2 pin of three terminal regulator 13, capacitor C 29 and the other end of capacitor C 28 ground connection in parallel;
Described flexible guide rod 11 is the more piece round structure, and bottom-up every joint diameter reduces successively, and a last joint is compressed in next joint, constitutes adjustable structure;
Described four-operational amplifier model is LM324, and the dual operational amplifier model is LM358, and the model of described single-chip microcomputer IC4 is AT89C51, three terminal regulator 12 models are 7805, the photo coupler model is MOC3063, and the bidirectional triode thyristor model is BTA600B, and the phase inverter model is 74LS04.
When the utility model uses, flexible guide rod 11 is not in that the time spent can keep flat behind the pinch at ordinary times, in use, be drawn to suitable height, 3 pyroelectric infrared sensor PIR 1, PIR 2, PIR 3 are installed in the sensor guide rod, and detection range is respectively: PIR 1:0-10 rice, PIR 2:0-6 rice, PIR 3:0-3 rice.
Turn on the power switch K1, the initialization of AT89C51 single-chip microcomputer detects the state of three pyroelectric infrared sensors, detects the AT89C51 single-chip microcomputer afterwards
Port (being AT89C51 single-chip microcomputer the 31st pin), if the AT89C51 single-chip microcomputer
Port is high level, illustrate that ambient temperature reached the human body temperature scope or was judged as night this moment, also may be that natural wind force switch K2 is in closed state, this moment, the AT89C51 single-chip microcomputer was carried out the natural wind pattern, the P20 mouth of AT89C51 single-chip microcomputer under the natural wind pattern (being the 21st pin of AT89C51 single-chip microcomputer), output PWM ripple, the high speed winding by photo coupler OC1, bidirectional triode thyristor TIRAC1 control fan motor makes it be in the natural wind operating condition.If detect
Port is low level, and then the AT89C51 single-chip microcomputer is carried out the self shifter pattern.
Under the self shifter pattern, the AT89C51 single-chip microcomputer determines to carry out corresponding with it gear by detection P10, P11, three ports of P12 (namely being respectively the 1st, 2,3 pins of AT89C51 single-chip microcomputer) level state.Under this pattern, if the people is within 0-3 rice scope, then PIR 1, PIR 2,3 three groups of sensors of PIR detect human infrared signal simultaneously, this moment AT89C5 single-chip microcomputer P10, P11, the P12 port (namely is respectively the 1st of AT89C51 single-chip microcomputer, 2,3 pins) be high level signal simultaneously, this moment the AT89C51 single-chip microcomputer P22 mouth (being the 23rd pin of AT89C51 single-chip microcomputer) output low level, become high level behind the U4C unit through IC5 74LS04 phase inverter, this moment, the low gear tutorial light was bright, photo coupler OC3 control controllable silicon TIRAC3 conducting, electric fan is carried out the low gear operation; If the people is within 3-6 rice scope, then PIR 1, PIR 2 two sensors detect human infrared signal simultaneously, AT89C5 single-chip microcomputer P10, P11 port (namely being respectively the 1st, 2 pins of AT89C51 single-chip microcomputer) are high level signal simultaneously at this moment, this moment the AT89C51 single-chip microcomputer P21 mouth (being the 22nd pin of AT89C51 single-chip microcomputer) output low level, become high level behind the U4B unit through IC5 74LS04 phase inverter, this moment, middling speed gear tutorial light LED3 was bright, photo coupler OC2 control controllable silicon TIRAC2 conducting, electric fan is carried out the operation of middling speed gear; If the people is within 6-10 rice scope, then PIR 1 sensor detects human infrared signal, AT89C51 single-chip microcomputer P10 port this moment (namely being respectively the 1st pin of AT89C51 single-chip microcomputer) is high level signal, this moment the AT89C51 single-chip microcomputer P20 mouth (being the 21st pin of AT89C51 single-chip microcomputer) output low level, become high level behind the U4A unit through IC5 74LS04 phase inverter, this moment, the high gear tutorial light was bright, photo coupler OC1 control controllable silicon TIRAC1 conducting, electric fan is carried out the high gear operation; If the people is outside 10 meters scopes, then PIR 1, PIR 2,3 three groups of sensors of PIR all detect less than human infrared signal, the high level signal of AT89C51 single-chip microcomputer P20 port this moment (being AT89C51 single-chip microcomputer the 21st pin) will keep 30 minutes, and electric fan is carried out high gear operation outage automatically after 30 minutes.
High, medium and low any one gear under the self shifter pattern, if it is not mobile always that personnel are in a certain position, then pyroelectric infrared sensor of short duration detection may occur less than human body signal, and cause the mistake control of sensor, in order to address this problem, high, medium and low any one gear under the self shifter pattern as long as the state of PIR 1, PIR 2,3 three groups of sensors of PIR does not change, makes this range state continue to keep 30 minutes under the AT89C51 Single-chip Controlling.
Height under the self shifter pattern, in, low any one gear, if personnel are at 9 meters, then should carry out high gear, this moment, personnel skelped to 5 meters, then should carry out mid ranger, if this moment, personnel returned to 9 meters again at a quick pace, then should carry out high gear, just mean that also electric fan has changed gear twice in a short period of time, the electric fan winding of shifting gears frequently in a short period of time then is easy to generate higher dislike and answers electromotive force, in order to solve the problem of shift hunting in the of short duration time, this self shifter, intelligent natural wind energy-saving type electric fan has designed signal lag anti-jamming circuit IC 9, the A of these three groups of circuit, B, the retention time of C input end high level must greater than charging time constant τ=
After, the 8th pin of the U1C of its IC9 LM324, U1B, U1D, the 7th pin, the 14th pin (being D, E, the F point in the circuit) just can be exported high level, if extraneous in addition have of short duration undesired signal, also can well eliminate and avoid the mistake control phenomenon that causes because disturb.
This self shifter, intelligent natural wind energy-saving type electric fan have also designed when ambient temperature reaches the human body temperature scope, can start the natural wind pattern automatically, and lower limit temperature is 36 degree, and upper limiting temperature is 38 degree.Control system can automatically switch to the self shifter pattern again when ambient temperature is not in this temperature range; Also can start the natural wind pattern automatically at night in addition temporarily, give comfortable sensation.Control principle is as follows: when ambient temperature reaches 36 when spending, the resistance of lower limit temperature detecting sensor RT2 is low resistance, the 3rd pin level of dual operational amplifier 2A raises, this moment, the 2nd pin of dual operational amplifier 2A also was low level, the 1st pin output high level of dual operational amplifier 2A, the 1st pin of control OR circuit U2A causes the 3rd pin of OR circuit U2A to export high level, control single chip computer IC4's
Port is high level, this moment, the natural wind status indicator lamp was bright, the P20 mouth of single-chip microcomputer IC4 (being the 21st pin of AT89C51 single-chip microcomputer), output PWM ripple, high speed winding by photo coupler OC1, bidirectional triode thyristor TIRACI control fan motor makes it be in the natural wind operating condition.When ambient temperature reaches 38 when spending, the resistance of negative tempperature coefficient thermistor RT2 still is low resistance, the resistance of upper limiting temperature detecting sensor RT1 reduces, cause the 2nd pin level of dual operational amplifier 2A to raise, because the effect of resistance R 63, potentiometer PR7, PR8, can make the 2nd pin level of dual operational amplifier 2A be higher than the level state of the 3rd pin, this moment, dual operational amplifier 2A output was anti-phase, make the 1st pin output low level of its dual operational amplifier 2A, control single chip computer
Port is low level, and this moment, the natural wind status indicator lamp went out, and the natural wind pattern is closed, and single-chip microcomputer starts the self shifter pattern automatically.
This self shifter, intelligent natural wind energy-saving type electric fan also are provided with forces the natural wind pattern, and under this pattern, the self shifter function is inoperative.Only need press when using this pattern and force natural wind K switch 2, control single chip computer
Port is high level, this moment, the natural wind status indicator lamp was bright, the P20 mouth of single-chip microcomputer (being the 21st pin of single-chip microcomputer), output PWM ripple, high speed winding by photo coupler OC1, bidirectional triode thyristor TIRAC1 control fan motor makes it be in the natural wind operating condition always.
This self shifter, intelligent natural wind energy-saving type electric fan also are provided with and automatically start the natural wind pattern night, at night, and the photoelectric detective circuit work of being formed by dual operational amplifier 2B, R68, R69, R70, photoresistor RG1.More weak or the rest period of turning off the light night of light at night, photoresistor RG1 resistance increases, dual operational amplifier 2B the 5th pin level is higher than the 6th pin level, dual operational amplifier 2B the 7th pin output high level, first pin of control control OR circuit U2A, the 3rd pin output high level that causes OR circuit U2A, control single chip computer
Port is high level, this moment, the natural wind status indicator lamp was bright, the P20 mouth of single-chip microcomputer (being the 21st pin of AT89C51 single-chip microcomputer), output PWM ripple, high speed winding by photo coupler OC1, bidirectional triode thyristor TIRAC1 control fan motor makes it be in the natural wind operating condition.To be in a certain position mobile always always because of the rest period personnel that turn off the light at night to avoid, and then pyroelectric infrared sensor of short duration detection may occur less than human body signal, and causes the mistake control mistake of sensor to control phenomenon.
Ifs circuit is subjected to ectocine or circuit to cause the function confusion because work long hours, and can not normally control, and can press the SAW reset key, makes the every functional reduction of its single-chip microcomputer.
The utility model can be according to the people in different positions, automatically select different rotating speeds, automatically switch to the high gear running when far away apart from electric fan, automatically switch to low gear when near apart from electric fan, distance automatically switches to middle-grade position when moderate, no matter be far or near apart from electric fan, give a kind of wind speed stably of people, be unlikely to because wind-force causes uncomfortable sensation to the people too greatly.After reaching the human body temperature scope, night or temperature also can start the natural wind pattern automatically, can also select to be in the natural wind state always, give a kind of effect that is in nature wind-force of people, under the natural wind pattern, personnel leave outage automatically after the regular hour of can delaying time after the certain limit, and good society and economic benefit are arranged.
Claims (10)
1. automatic natural wind energy-saving electric fan of intelligent gearshift, comprise the fan cover, supporting frame, base, motor and fan blade, it is characterized in that, supporting frame (2) is contained on the base (1), fan cover (4) is equipped with through capouch (3) in base (1) top, motor (12) is contained in the capouch (3), in the fan cover (4) fan blade (5) that is contained on motor (12) rotatingshaft is arranged, flexible guide rod (11) is housed on the capouch (3), the upper end portion of flexible guide rod (11) is equipped with 3 pyroelectric infrared sensor (PIR1 respectively, PIR2, PIR3), natural wind tutorial light (7) side by side is equipped with on supporting frame (2) top, high-grade tutorial light (8), middle-grade tutorial light (9) and low-grade tutorial light (10), upper limiting temperature detecting sensor (RT1) side by side is equipped with in supporting frame (2) bottom, lower limit temperature detecting sensor (RT2) and photoresistor (RG1), power switch (K1) is housed on the base (1) successively, force natural wind switch (K2) and reset key (SWA), through circuit board control circuit is housed in the base (1).
2. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 1, it is characterized in that, described control circuit comprises the rpyroelectric infrared signal amplification circuit, signal lag anti-jamming circuit IC9, inverter circuit IC5, photoelectric detective circuit IC6, upper and lower temperature-control circuit IC8, power circuit IC7, thyristor gating circuit IC10 and single-chip microcomputer IC4, single-chip microcomputer IC4 meets signal lag anti-jamming circuit IC9 and inverter circuit IC5 respectively, and signal lag anti-jamming circuit IC9 meets the first rpyroelectric infrared signal amplification circuit IC1 respectively, the second rpyroelectric infrared signal amplification circuit IC2 and the 3rd rpyroelectric infrared signal amplification circuit IC3; Inverter circuit IC5 links to each other with motor (12) with power circuit IC7 respectively through thyristor gating circuit IC10, and motor (12) connects power supply through power switch (K1); High-grade tutorial light (8), middle-grade tutorial light (9) and low-grade tutorial light (10) in parallel are housed on the inverter circuit IC5, and high-grade tutorial light (8), middle-grade tutorial light (9) and low-grade tutorial light (10) are respectively through resistance R 50, resistance R 51, resistance R 52 ground connection; 40 pin of single-chip microcomputer IC4 connect an end of power supply and natural wind switch (K2) respectively, the other end of natural wind switch (K2) connects the negative pole of 31 pin, natural wind tutorial light (7) and the diode D5 of single-chip microcomputer IC4 respectively, natural wind tutorial light (7) is through resistance R 54 ground connection, the positive pole of diode D5 connects 3 pin of OR circuit U2A, and 1 pin of OR circuit U2A and 2 pin connect lower limit temperature control circuit IC8 and photoelectric detective circuit IC6 respectively; 19 pin of single-chip microcomputer IC4 connect an end of capacitor C 18 and an end of crystal oscillator respectively, and 18 pin of single-chip microcomputer IC4 connect an end of capacitor C 19 and the other end of crystal oscillator respectively, the common end ground connection of capacitor C 18 and capacitor C 19; 9 pin of single-chip microcomputer IC4 connect an end of capacitor C 21, an end of resistance R 47 and an end of resistance R 48 respectively, and the other end of capacitor C 21 is through the other end of reset key (SWA) connecting resistance R47,20 pin of the other end of resistance R 48 and single-chip microcomputer IC4 ground connection in parallel.
3. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, described signal lag anti-jamming circuit IC9 comprises four-operational amplifier (U1B, U1C, U1D), the end of the 1 pin difference connecting resistance R75 of single-chip microcomputer IC4 and 8 pin of four-operational amplifier (U1C), the minus earth of four-operational amplifier (U1C), positive pole connects power supply, the end of the 9 pin difference connecting resistance R71 of four-operational amplifier (U1C) and an end of resistance R 72, another termination power of resistance R 71,10 pin connect an end of capacitor C 31 and an end of resistance R 74 respectively, the end of the other end connecting resistance R73 of resistance R 74, the other end of resistance R 72, the other end of resistance R 73, the other end of the other end of capacitor C 31 and resistance R 75 ground connection in parallel; The end of the 2 pin difference connecting resistance R80 of single-chip microcomputer IC4 and 7 pin of four-operational amplifier (U1B), the end of the 6 pin difference connecting resistance R76 of four-operational amplifier (U1B) and an end of resistance R 77, another termination power of resistance R 76,5 pin connect an end of capacitor C 32 and an end of resistance R 79 respectively, one end of the other end resistance R 78 of resistance R 79, the other end of the other end of the other end of resistance R 77, resistance R 78, the other end of capacitor C 32 and resistance R 80 ground connection in parallel; The end of the 3 pin difference connecting resistance R85 of single-chip microcomputer IC4 and 14 pin of four-operational amplifier (U1D), 13 pin of four-operational amplifier (U1D) are through the end of difference connecting resistance R81 and an end of resistance R 82, another termination power of resistance R 81,12 pin connect an end of capacitor C 33 and an end of resistance R 84 respectively, the end of the other end connecting resistance R83 of resistance R 84, the other end of the other end of the other end of resistance R 82, resistance R 83, the other end of capacitor C 33 and resistance R 85 ground connection in parallel.
4. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, the described first rpyroelectric infrared signal amplification circuit IC1 comprises pyroelectric infrared sensor (PIR1) and four-operational amplifier (U1A, U1B, U1C, U1D), the end of the 1 pin difference connecting resistance R2 of pyroelectric infrared sensor (PIR1) and an end of capacitor C 4, the other end ground connection of capacitor C 4, the other end of resistance R 2 is an end and the power supply of connecting resistance R4 respectively, the other end of resistance R 4 connects 2 pin of four-operational amplifier (U1A) and an end of resistance R 8 respectively, the other end of resistance R 8 is the end of connecting resistance R13 respectively, 5 pin of one end of capacitor C 9 and four-operational amplifier (U1B), the end of the other end difference connecting resistance R19 of resistance R 13 and 12 pin of four-operational amplifier (U1D), 11 pin ground connection of four-operational amplifier (U1A), 4 pin connect power supply, 3 pin connect an end of capacitor C 6 respectively, one end of resistance R 7,13 pin of 7 pin of four-operational amplifier (U1B) and four-operational amplifier (U1D), 1 pin connects the positive pole of diode D3, the other end of resistance R 7 connects the other end of capacitor C 6 respectively through potentiometer PR1,6 pin of four-operational amplifier (U1B) and an end of capacitor C 7, the other end of capacitor C 7 connects 8 pin of four-operational amplifier (U1C) respectively through resistance R 18, one end of resistance R 10 and an end of capacitor C 5,9 pin of four-operational amplifier (U1C) connect the other end of capacitor C 5 respectively, the end of the other end of resistance R 10 and potentiometer PR2, potentiometer PR2 connects 2 pin of pyroelectric infrared sensor (PIR1) respectively through resistance R 11, one end of resistance R 14 and an end of resistance R 15, the other end of resistance R 14 connects an end of capacitor C 8 and 10 pin of four-operational amplifier (U1C) respectively, 3 pin of pyroelectric infrared sensor (PIR1), the other end of resistance R 15, the other end of capacitor C 8, the other end of the other end of resistance R 19 and capacitor C 9 ground connection in parallel, 14 pin of four-operational amplifier (U1D) connect the negative pole of diode D3 respectively through diode D4, one end of resistance R 12 and resistance R 74, the common end of resistance R 73, the other end ground connection of resistance R 12.
5. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, the described second rpyroelectric infrared signal amplification circuit IC2 comprises pyroelectric infrared sensor (PIR2) and four-operational amplifier (U3A, U3B, U3C, U3D), the end of the 1 pin difference connecting resistance R21 of pyroelectric infrared sensor (PIR2) and an end of capacitor C 10, the other end ground connection of capacitor C 10, the other end of resistance R 21 is an end and the power supply of connecting resistance R22 respectively, the other end of resistance R 22 connects 2 pin of four-operational amplifier (U3A) and an end of resistance R 27 respectively, the other end of resistance R 27 is the end of connecting resistance R35 respectively, 5 pin of one end of capacitor C 17 and four-operational amplifier (U3B), the end of the other end difference connecting resistance R40 of resistance R 35 and 12 pin of four-operational amplifier (U3D), 11 pin ground connection of four-operational amplifier (U3A), 4 pin connect power supply, 3 pin connect an end of capacitor C 12 respectively, one end of resistance R 26,13 pin of 7 pin of four-operational amplifier (U3B) and four-operational amplifier (U3D), 1 pin connects the positive pole of diode D6, the other end of resistance R 26 connects the other end of capacitor C 12 respectively through potentiometer PR3,6 pin of four-operational amplifier (U3B) and an end of capacitor C 14, the other end of capacitor C 14 connects 8 pin of four-operational amplifier (U3C) respectively through resistance R 38, one end of resistance R 28 and an end of capacitor C 11,9 pin of four-operational amplifier (U3C) connect the other end of capacitor C 11 respectively, the end of the other end of resistance R 28 and potentiometer PR4, potentiometer PR4 connects 2 pin of pyroelectric infrared sensor (PIR2) respectively through resistance R 30, one end of resistance R 36 and an end of resistance R 37, the other end of resistance R 36 connects an end of capacitor C 16 and 10 pin of four-operational amplifier (U3C) respectively, 3 pin of pyroelectric infrared sensor (PIR2), the other end of resistance R 37, the other end of capacitor C 16, the other end of the other end of resistance R 38 and capacitor C 17 ground connection in parallel, 14 pin of four-operational amplifier (U3D) connect the negative pole of diode D6 respectively through diode D7, one end of resistance R 34 and resistance R 78, the common end of resistance R 79, the other end ground connection of resistance R 34.
6. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, described the 3rd rpyroelectric infrared signal amplification circuit IC3 comprises pyroelectric infrared sensor (PIR3) and four-operational amplifier (U5A, U5B, U5C, U5D), the end of the 1 pin difference connecting resistance R44 of pyroelectric infrared sensor (PIR3) and an end of capacitor C 22, the other end ground connection of capacitor C 22, the other end of resistance R 44 is an end and the power supply of connecting resistance R46 respectively, the other end of resistance R 46 connects 2 pin of four-operational amplifier (U5A) and an end of resistance R 53 respectively, the other end of resistance R 53 is the end of connecting resistance R58 respectively, 5 pin of one end of capacitor C 27 and four-operational amplifier (U5B), the end of the other end difference connecting resistance R62 of resistance R 58 and 12 pin of four-operational amplifier (U5D), 11 pin ground connection of four-operational amplifier (U5A), 4 pin connect power supply, 3 pin connect an end of capacitor C 24 respectively, one end of resistance R 49,13 pin of 7 pin of four-operational amplifier (U5B) and four-operational amplifier (U5D), 1 pin connects the positive pole of diode D8, the other end of resistance R 49 connects the other end of capacitor C 24 respectively through potentiometer PR5,6 pin of four-operational amplifier (U5B) and an end of capacitor C 25, the other end of capacitor C 25 connects 8 pin of four-operational amplifier (U5C) respectively through resistance R 61, one end of resistance R 55 and an end of capacitor C 23,9 pin of four-operational amplifier (U5C) connect the other end of capacitor C 23 respectively, the end of the other end of resistance R 55 and potentiometer PR6, potentiometer PR6 connects 2 pin of pyroelectric infrared sensor (PIR3) respectively through resistance R 56, one end of resistance R 60 and an end of resistance R 59, the other end of resistance R 59 connects an end of capacitor C 26 and 10 pin of four-operational amplifier (U5C) respectively, 3 pin of pyroelectric infrared sensor (PIR3), the other end of resistance R 60, the other end of capacitor C 26, the other end of the other end of resistance R 62 and capacitor C 27 ground connection in parallel, 14 pin of four-operational amplifier (U5D) connect the negative pole of diode D8 respectively through diode D9, one end of resistance R 57 and resistance R 83, the common end of resistance R 84, the other end ground connection of resistance R 57.
7. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, described photoelectric detective circuit IC6 comprises dual operational amplifier (2B), 7 pin of dual operational amplifier (2B) connect 2 pin of OR circuit U2A, the end of the 4 pin difference connecting resistance R69 of dual operational amplifier (2B) and an end of resistance R 68, the other end of 5 pin difference connecting resistance R68 and the end of photoresistor RG1 link to each other, the other end of 6 pin difference connecting resistance R69 and an end of resistance R 70,8 pin of dual operational amplifier (2B), the other end of resistance R 70, photoresistor RG1 ground connection in parallel.
8. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, described upper and lower temperature-control circuit IC8 comprises dual operational amplifier (2A), the end of the 1 pin difference connecting resistance R64 of dual operational amplifier (2A) and an end of resistance R 67,1 pin of another termination OR circuit U2A of resistance R 67,4 pin of dual operational amplifier (2A) connect power supply respectively, one end of one end of resistance R 63 and upper limiting temperature detecting sensor (RT1), resistance R 63 is through the end of lower limit temperature detecting sensor (RT2) difference connecting resistance R65 and the end of potentiometer PR8, the other end of the other end difference connecting resistance R64 of resistance R 65 and 3 pin of dual operational amplifier (2A), the end of the other end difference connecting resistance R66 of upper limiting temperature detecting sensor (RT1) and the end of potentiometer PR7,8 pin of dual operational amplifier (2A), the other end of the other end of potentiometer PR8 and potentiometer PR7 ground connection in parallel.
9. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, described inverter circuit IC5 comprises 3 phase inverters (U4A, U4B, U4C) in parallel, and 3 phase inverters (U4A, U4B, U4C) connect 21 pin, 22 pin and 23 pin of single-chip microcomputer IC4 respectively.
10. the automatic natural wind energy-saving electric fan of intelligent gearshift according to claim 2, it is characterized in that, described thyristor gating circuit IC10 comprises first thyristor gating circuit in parallel, second thyristor gating circuit and the 3rd thyristor gating circuit, described first thyristor gating circuit comprises photo coupler OC1 and bidirectional triode thyristor TIRAC1,1 pin of photo coupler OC1 connects the other end of phase inverter U4A through resistance R 25,3 pin ground connection, 2 pin are through the end of resistance R 23 difference connecting resistance R24,1 pin of 1 pin of bidirectional triode thyristor TIRAC1 and motor (12), the other end of resistance R 24 connects 2 pin of bidirectional triode thyristor TIRAC1 and an end of resistance R 29 respectively through capacitor C 13, and the other end of resistance R 29 connects 3 pin of bidirectional triode thyristor TIRAC1 and 4 pin of photo coupler OC1 respectively; Described second thyristor gating circuit comprises photo coupler OC2 and bidirectional triode thyristor TIRAC2,1 pin of photo coupler OC2 connects the other end of phase inverter U4B through resistance R 33,3 pin ground connection, 2 pin are through an end, 1 pin of bidirectional triode thyristor TIRAC2 and 2 pin of motor (12) of resistance R 31 difference connecting resistance R32, the other end of resistance R 32 connects 2 pin of bidirectional triode thyristor TIRAC2 and an end of resistance R 39 respectively through capacitor C 15, and the other end of resistance R 39 connects 3 pin of bidirectional triode thyristor TIRAC3 and 4 pin of photo coupler OC2 respectively; Described the 3rd thyristor gating circuit comprises photo coupler OC3 and bidirectional triode thyristor TIRAC3,1 pin of photo coupler OC3 connects the other end of phase inverter U4C through resistance R 43,3 pin ground connection, 2 pin are through an end, 1 pin of bidirectional triode thyristor TIRAC3 and 3 pin of motor (12) of resistance R 41 difference connecting resistance R42, the other end of resistance R 42 connects 2 pin of bidirectional triode thyristor TIRAC3 and an end of resistance R 45 respectively through capacitor C 20, and the other end of resistance R 45 connects 3 pin of bidirectional triode thyristor TIRAC3 and 4 pin of photo coupler OC3 respectively.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195733A (en) * | 2013-04-23 | 2013-07-10 | 河南科技学院 | Energy-saving electric fan with functions of intelligent gear shifting and automatic natural wind control |
| CN104235046A (en) * | 2014-08-21 | 2014-12-24 | 国家电网公司 | Self-adapting air cooling controller of transformer |
| CN105370606A (en) * | 2014-08-25 | 2016-03-02 | 珠海格力电器股份有限公司 | Intelligent electric fan and control method thereof |
| CN105941388A (en) * | 2016-05-19 | 2016-09-21 | 河南师范大学 | Solar-powered electronic bird-repellent device |
-
2013
- 2013-04-23 CN CN 201320206870 patent/CN203175926U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195733A (en) * | 2013-04-23 | 2013-07-10 | 河南科技学院 | Energy-saving electric fan with functions of intelligent gear shifting and automatic natural wind control |
| CN104235046A (en) * | 2014-08-21 | 2014-12-24 | 国家电网公司 | Self-adapting air cooling controller of transformer |
| CN105370606A (en) * | 2014-08-25 | 2016-03-02 | 珠海格力电器股份有限公司 | Intelligent electric fan and control method thereof |
| CN105941388A (en) * | 2016-05-19 | 2016-09-21 | 河南师范大学 | Solar-powered electronic bird-repellent device |
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Granted publication date: 20130904 Termination date: 20140423 |