CN2498794Y - Multifunctional electric fan controller - Google Patents
Multifunctional electric fan controller Download PDFInfo
- Publication number
- CN2498794Y CN2498794Y CN01255778U CN01255778U CN2498794Y CN 2498794 Y CN2498794 Y CN 2498794Y CN 01255778 U CN01255778 U CN 01255778U CN 01255778 U CN01255778 U CN 01255778U CN 2498794 Y CN2498794 Y CN 2498794Y
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- circuit
- electric fan
- microcontroller
- temperature
- wind
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- Expired - Fee Related
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Abstract
Disclosed is a multi-functional electric fan controller which is composed of an operating circuit, a temperature measuring circuit, a synchronous signal circuit, a power supply, a power-on reset circuit, an alarm circuit, a display output circuit, a motor control and, a protection circuit, all of which are respectively connected with a microcontroller. Wherein, the microcontroller is a single chip microcomputer or other digital information processing device; the operating circuit connects key-presses with the microcontroller; the temperature measuring circuit is composed of temperature measuring elements and a multi-vibrator; the synchronous signal circuit is composed of a stabilivolt, a resistance and a gate circuit. The utility model introduces electronic temperature measuring and computer clock to enable that the electric fan can automatically adjust the wind speed in accordance with time and temperature; the utility model possesses the function of the automatic alarm under excessively low temperature and long-time idle motion auto-stop protection.
Description
Technical field
The utility model relates to the control device of electric fan, particularly utilize clock and temperature control electric fan rotating speed, user can self-editing wind type, have multiple function and intelligentized Electric fan controller.
Background technology
Electric fan is a kind of household electrical appliance of extensive use.At present, high performance electric fan adopts microcontroller and the single-phase adjustable-speed motor of three taps more, makes electric fan have high, medium and low third gear wind speed, to adapt to the requirement of different user and temperature Change.Adopt the electric fan of microcontroller to have changeable wind class, wind as usual, natural wind, sleep wind etc. replace mechanical timer with electronic timing, thereby eliminate the noise of mechanical timer, improve the performance of electric fan.Adopt the fall protection switch, electric fan is had fall the self-braking protective effect of outage.Compare with traditional contact control electric fan, the electric fan of microprocessor controls has better performance.But present electric fan still has many weak points, mainly shows: the 1. speed governing scarce capacity of electric fan.Electric fan only has height, in, low third gear rotating speed, atmospheric temperature changes and the variation round the clock of human body heat production situation continuously, and electric fan can not provide the wind speed that more is appropriate to the user, reaches comfortable and purpose of energy saving.2. the wind speed of electric fan changes the decision by the user, i.e. manually control does not possess according to temperature and automatic function of regulating wind speed of time.When higher or user's heat production was big when temperature, the user must operate fan, makes the fan high-speed cruising, otherwise the user must operate fan and make the fan low cruise or turn off electric fan.Manually the characteristics of control make electric fan not provide good air-supply service for the user, particularly air-supply at night, and after the user fell asleep, electric fan can not be with temperature automatic speed regulation rotating speed, caused enjoy the cool deficiency or catch a cold sick of user.It should be noted that timing controlled can not address this problem preferably, because the variation of the unpredictable temperature of user, the timing of setting can not guarantee good control effect.3. electric fan does not possess the temperature-sensitive ability, and temperature is crossed when hanging down and can not be stopped pectinid automatically and send alarm signal, makes the user take freeze prevention measure.When temperature was lower than to a certain degree, electric fan stopped pectinid automatically and sends alarm signal, and this is the critical function that guarantees user health, but electric fan does not possess this function at present, so that a large number of users is caught a cold sick in using the electric fan process.4. electric fan does not have to take precautions against the ability of long-time idle running.Forget when the user gos out and turn off electric fan, then electric fan can long-time idle running, cause damage, as fan life shorten, the electricity charge etc., even contingency appears.
Summary of the invention
The purpose of this utility model be exactly for solve electric fan speed governing scarce capacity, do not possess with temperature and time regulate automatically wind speed, temperature cross low do not have automatically report to the police, problems such as the no strick precaution ability of long-time idle running, and develop a kind of clock and electronic temperature control of merging in multi-functional electric fan controller together.The utility model has also been developed the new function of the self-editing wind type control of user on this basis.
Multi-functional electric fan controller of the present utility model is connected and composed with microcontroller respectively by function circuit, temperature measurement circuit, synchronous signal circuit, power supply and electrify restoration circuit, warning circuit, display output circuit, Electric Machine Control and protective circuit, and wherein microcontroller is single-chip microcomputer or other digital information processing device; Function circuit is connected button with microcontroller, realize function selecting, the selection of wind class, show selection etc. by the control button; Temperature measurement circuit is made of temperature element and multivibrator; Synchronous signal circuit is made of voltage-stabiliser tube, resistance and gate circuit; Power supply and electrify restoration circuit provide voltage zero-crossing signal to the The whole control circuit supply and to microcontroller.
Fig. 1 is the circuit theory diagrams of multi-functional electric fan controller of the present utility model; connected and composed by function circuit 1, temperature measurement circuit 2, synchronous signal circuit 3, power supply and electrify restoration circuit 4, display output circuit 5, Electric Machine Control and protective circuit 6, warning circuit 7 and microcontroller 8, the composition and the operation principle of each several part are as follows:
Power supply and electrify restoration circuit 4, DC power supply are to the The whole control circuit supply, and the performance of power supply should satisfy the requirement of microcontroller.AC supply voltage is a direct current by the rectification circuit rectification after the transformer step-down, and to the integrated stable voltage circuit power supply, the voltage that voltage stabilizing circuit output is stable is powered to entire circuit.R
8C
8Form electrify restoration circuit.When power supply electrifying, R
8C
8Circuit sends a reset pulse to microcontroller, and control program is brought into operation from initial position.
Electric Machine Control and protective circuit 6, fan motor adopt the single-phase adjustable-speed motor of three taps, and the wind-guiding motor adopts single-phase synchronous motor.The break-make of each tap of fan motor is by bidirectional thyristor T
L, T
M, T
HControl, the wind-guiding motor is by T
DControl.Fan motor is connected with power supply behind drop switch with the wind-guiding motor, stops pectinid and wind-guiding when making electric fan be not intended to fall automatically.Owing to only cut off the power supply of motor after fan falls, do not cut off the power supply of control circuit, therefore, after fan is set upright, by original state operation, needn't operate again immediately.
Speed governing scarce capacity at present electric fan, the speed regulating method that the utility model adopts timesharing to connect, make three tap single-phase motors have the ability of 40 second gear rotating speeds, improved the speed adjusting performance of electric fan, its operation principle is as follows: three tap single-phase motors have high speed tap, middling speed tap, three speed governing taps of low speed tap, work as T
HDuring conducting, the high speed tap of motor and power supply are communicated with, and motor runs up, and be same, T
MDuring conducting, the running of motor middling speed, T
LMotor low-speed running during conducting.If speed governing period T s=16T (T is a power cycle) during the low speed speed governing, disconnects any one thyristor in the speed governing cycle, then the rotating speed of motor is zero.The full T that connects in the speed governing cycle
L, motor low cruise then, if in the speed governing cycle, N power cycle connected T
L(0≤N≤16), other cycles disconnect, and so, can obtain 16 grades of lower rotating speeds under the low speed of motor.In like manner, during the middling speed speed governing, in 16 power cycles, N cycle connected T
M, (16-N) the individual cycle is connected T
L, between motor low speed and middling speed, can obtain 16 grades of rotating speeds so again.Equally, can obtain 16 grades of rotating speeds in middling speed with at a high speed.This shows that the method that adopts timesharing to connect can make three tap single-phase motors have 48 grades of rotating speeds.The speed regulating method that timesharing is connected has obtained experiment confirm.Since in the low speed speed governing connection ratio hour, the wind speed of electric fan is low excessively, can not normally blow, so the utility model is only got 40 higher second gear rotating speeds.
The utility model adopts microprocessor controls; in conjunction with electronic temperature measurement and computer clock; make electric fan have the ability of temperature-sensitive and the ability of recognition time; the rotating speed of realizing electric fan is with temperature and self-regulating function of time; possess temperature simultaneously and cross low report to the police automatically and long-time idle running stops protection automatically, make the electric fan intellectuality.In addition, the utility model also has the demonstration of temperature numeral, clock, alarm clock, integral point multiple function such as give the correct time.
Multi-functional electric fan controller of the present utility model has three kinds of major functions: the self-editing wind type control of clock control, temperature control and user, be called for short clock, temperature control and program control respectively.Clock requires the wind speed of electric fan can change in time and change, and the wind speed of temperature requirements electric fan changes with temperature Change, and the program control wind speed of electric fan that requires changes with the self-editing wind type of user.Clock and temperature control all have three kinds of wind classes, promptly define the level wind, RANDOM WIND and periodic wind, and every kind of wind class is divided into three wind scales, promptly weak wind, apoplexy and high wind.Clock and temperature are to the control such as the following formula of wind speed:
Deciding grade and level wind: S=CD (i) * RATE (i=0,1,2)
RANDOM WIND: S=CS (i) * RND*RATE (i=0,1,2)
Periodic wind: S=CZ (i, j) * RATE (i=0,1,2; J=0,1,2,, n) wherein, S is a rotating speed, RND is a random function, and CD (i) is the normal definite value of deciding grade and level wind, and i represents that (i=0 represents weak wind to wind scale, i=1 represents apoplexy, i=2 represents high wind) (down together), CS (i) is the normal definite value of RANDOM WIND, CZ (i, j) be the normal set matrix of periodic wind, RATE is a modulation rate.When RATE was the clock modulation rate, the reflection clock was to the automatic control of wind speed, and when RATE was the temperature regulate speed ratio, the reflection temperature was to the control of rotating speed.When designing the corresponding relation of temperature control modulation rate and temperature, should be basis, calculate, make temperature control be fit to the requirement of human body in conjunction with dissimilar users' physiological characteristic with the heat production heat radiation model of human body; When design clock modulation rate and the corresponding relation of time, except that the physiological characteristic of considering dissimilar users, to consider that also product uses the typical rule that summer, daily temperature changed of region.Modulation rate is the significant data that reflection clock and temperature are controlled automatically to electric fan, and all types of electric fans is answered well-designed clock modulation rate and temperature control modulation rate, could really embody superior function of the present utility model.Clock and temperature program flow chart are as shown in Figure 2.In the program, the clock modulation rate solidifies in 0746H～0776H unit, and the temperature control modulation rate solidifies in 0780H～07A7H unit.Clock modulation rate and temperature control modulation rate are calculated by special subprogram, are recorded in 44H and 43H unit among the RAM respectively, and clock and temperature program directly adopt this two data.
Multi-functional electric fan controling appliance of the present utility model has the function of the self-editing wind type of user control, and what the user can be according to oneself likes making wind type, the wind type of electric fan reappearing user then.The utility model adopts the method for record to generate the self-editing wind type of user, when the user selects self-editing wind type state, the wind scale of the automatic recording user operation of microcontroller and time, be stored in the specific zone of RAM, after programming finished, microcontroller was preserved user's wind type record (compiling the wind type again up to the user), when the user selects when program control, electric fan is automatically by the operation of original wind type record, the self-editing wind type of reproduction user.The interval that is used for recording user wind type in the RAM of microcontroller is 50H～7FH, totally 48 unit, and wind type record adopts 8 bit data, use 5 bit representations running time, per unit is represented 1S, so the longest 31S that writes down in every unit, the longest self-editing wind type time is 24 minutes.During the self-editing wind type of user, fan was not subjected to the control of low-temperature protection, so the user can adopt self-editing wind type to make electric fan operation when temperature is low.
The utility model is owing to introduce electronic temperature measurement and computer clock, makes electric fan have temperature and crosses low report to the police automatically and long-time idle running stops protection automatically.Human body heat production heat radiation model according to all types of users; (daytime, night have nothing in common with each other to calculate the critical temperature of warning; solidify in program among the 077EH and 077FH unit; the temperature that records in real time when microcontroller is less than or equal to when reporting to the police critical temperature, and electric fan stops pectinid, wind-guiding automatically, makes low temperature indication light-emitting diode shinny; and send alarm signal; make the user take the measure of warming, protection user's health, this is another key character of the present utility model.Cross low-temperature warning for up to 2 minutes, stop automatically after 2 minutes reporting to the police, clear-headed as the user within 2 minutes, as long as press any button, microcontroller can confirm that the user is clear-headed, stops automatically reporting to the police.In addition, forget when preventing that the user from going out and close electric fan, so that the long-time running of electric fan causes damage, the utility model has been developed the self-braking defencive function of long-time idle running.During daytime; electric fan is from the continuous operation of last operation after 3～4 hours (no any operation between continuous operating period); microcontroller will think that electric fan is unattended, stop pectinid, wind-guiding automatically, and show that long-time idle running stops the sign of protecting automatically.When the user need use electric fan, press any button, electric fan will resume operation automatically.Long-time idle running stop automatically protection only by day during (6 point～22 point) work, do not establish this protection during night.
The utility model is except having above-mentioned major function and feature, owing to adopted microcontroller, make electric fan have multiple additional function, give the correct time as clock demonstration, temperature demonstration, alarm clock, integral point etc., make electric fan integrate clock, thermometer, one-object-many-purposes.Time, temperature, setting alarm clock value show by nixie display that all the user can be by showing that selection key makes nixie display show needed numerical value.When demonstration time and setting alarm clock value, can by divide or the time button position or set the duration of making a noise.Alarm clock except that on the stroke of midnight, all-weather work, i.e. when clock value and noisy duration equated, electric fan sent the alarm clock signal, wakes the user up, needn't worry that comfortable wind can make the user forget the time.(6 point～22 point) work was bumped integral point and is given the correct time during integral point only gave the correct time by day, during night, in order to leave user's sleep alone, will not give the correct time by integral point.
The main program flow chart of control system as shown in Figure 3.The The whole control program adopts modular construction, help change and debugging, program length is 0000H～07FFH, be total to the 2K byte, wherein control program accounts for 0000H～06FFH, system's desired data solidifies in 0700H～07FFH, to dissimilar users' electric fan, only needs the change system data to achieve the goal.
The utility model compared with prior art has following advantage and beneficial effect: the speed regulating method that 1. adopts timesharing to connect makes three tap single-phase AC motors have 40 second gear rotating speeds, makes electric fan that the wind speed that is more suitable in the user can be provided.2. introduce electronic temperature measurement and computer clock, make electric fan regulate wind speed automatically by time and temperature.3. develop the new function of the self-editing wind type control of user of electric fan, increase the interest of electric fan.4. have temperature and cross low report to the police automatically and long-time idle running stops protection automatically.5. fusion temperature meter, clock, electric fan, the function that serves many purposes.
Description of drawings
Fig. 1 is a multi-functional electric fan controller circuitry schematic diagram;
Fig. 2 is clock control and temperature control subprogram flow chart;
Fig. 3 is the control system main program flow chart.
Embodiment
Press Fig. 1 draw PCB, and screen suitable electronic component and install.Wherein fan motor does not allow rotor axial to move, and should adopt the axially movable bearing of preventing rotor.
When producing all types of users' series of products, should be according to the data of the meticulous computing controller use of human body heat production heat radiation model, solidify in microcontroller together with control program, form the required microcontroller of the utility model, or produce microcontroller in batches by specialized factory.Note,, should redefine data in per 10 years because human figure is constantly evolved.
By the shell and relevant mechanical part of relevant requirements production electric fan, the multi-functional electric fan of assembly cost microprocessor controls can be implemented the utility model.
Claims (4)
1, a kind of multi-functional electric fan controller, it is characterized in that being connected and composed with microcontroller respectively by function circuit, temperature measurement circuit, synchronous signal circuit, power supply and electrify restoration circuit, warning circuit, display output circuit, Electric Machine Control and protective circuit, wherein microcontroller is single-chip microcomputer or other digital information processing device; Function circuit is connected button with microcontroller; Temperature measurement circuit is made of temperature element and multivibrator; Synchronous signal circuit is made of voltage-stabiliser tube, resistance and gate circuit.
2, multi-functional electric fan controller according to claim 1, it is characterized in that function circuit is connected with the parallel port of microcontroller, it has function selecting button, wind scale selection key, wind class selection key, shows selection key, programming/time button, wind-guiding/minute button, pause button.
3, multi-functional electric fan controller according to claim 1 is characterized in that temperature measurement circuit is made up of temperature element and multivibrator.
4, multi-functional electric fan controller according to claim 1 is characterized in that synchronous signal circuit is made up of a voltage stabilizing didoe, two resistance and a not gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01255778U CN2498794Y (en) | 2001-09-19 | 2001-09-19 | Multifunctional electric fan controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01255778U CN2498794Y (en) | 2001-09-19 | 2001-09-19 | Multifunctional electric fan controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2498794Y true CN2498794Y (en) | 2002-07-03 |
Family
ID=33664849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01255778U Expired - Fee Related CN2498794Y (en) | 2001-09-19 | 2001-09-19 | Multifunctional electric fan controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2498794Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100501629C (en) * | 2003-02-27 | 2009-06-17 | 索尼株式会社 | Fan controlling equipment and method |
| CN101290524B (en) * | 2007-04-20 | 2011-07-27 | 富准精密工业(深圳)有限公司 | Fan circuit |
| CN104730941A (en) * | 2013-12-18 | 2015-06-24 | 龙源（北京）太阳能技术有限公司 | Electric warming controller and control method thereof |
-
2001
- 2001-09-19 CN CN01255778U patent/CN2498794Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100501629C (en) * | 2003-02-27 | 2009-06-17 | 索尼株式会社 | Fan controlling equipment and method |
| CN101290524B (en) * | 2007-04-20 | 2011-07-27 | 富准精密工业(深圳)有限公司 | Fan circuit |
| CN104730941A (en) * | 2013-12-18 | 2015-06-24 | 龙源（北京）太阳能技术有限公司 | Electric warming controller and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |