CN1090628A

CN1090628A - Automatic temperature control device for ceiling fan

Info

Publication number: CN1090628A
Application number: CN 93101282
Authority: CN
Inventors: 黄宗勉
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-02-03
Filing date: 1993-02-03
Publication date: 1994-08-10

Abstract

The present invention relates to a kind of automatic temperature control device for ceiling fan, especially refer to a kind of ceiling fan assembly that can control keying with room temperature automatically, it mainly is to establish a control circuit in the ceiling fan switch case, and establish a temperature transducer in appropriate location, detect ceiling fan room temperature on every side, wherein this control circuit with detected temperatures signal and default temperature relatively, with the running of controlling ceiling fan with room temperature automatically whether.

Description

Automatic temperature control device for ceiling fan

The present invention relates to a kind of automatic temperature control device for ceiling fan, it mainly is to set up control circuit and temperature transducer on the ceiling fan switch case separately, and the mat temperature transducer detects environment temperature, compares with preset temperature in the circuit, select whether to drive ceiling fan motor, with the working state of automatic control ceiling fan.

Although the behaviour in service of air conditioner is very general, yet but therefore do not influence the hobby of common people for fan, its reason no doubt is that the power consumption of fan and air conditioner greatly differs from each other, Ge Ren physical condition in addition also often impels the user to give up air conditioner and with regard to fan, and in fact, drive the hot merit energy except that possessing cooling with present fan structure, but other purposes of double as still, as have the ceiling fan of practicality and decoration functions concurrently, i.e. a typical example.

By present control mode for ceiling fan, on the switch box more than the ceiling fan below Drawing switch is set greatly, the operation of mat Drawing switch control ceiling fan motor, stop and just reversing, only these manual control modes dislike passive passive, common people are for the control of ceiling fan, how for it with sensation, it is cool to start the ceiling fan fan when feeling scorching, the opportunity of only closing ceiling fan more than room temperature be reduced to human body when obviously experiencing nip in the air soon for it, not only lost the purpose of driving heat this moment, and the suspicion that wastes energy arranged, moreover many people are happy falling asleep in a cool breeze blows gently, and it is still unaware to change situation for room temperature, until experiencing slight chill in the air side ceiling fan is closed, may have a cold this moment, for health harmful effect also arranged; Though at present remote control ceiling fan is arranged, comparatively easy control mode also only is provided, only do not break away from passive functional category.

Main purpose of the present invention is: a kind of ceiling fan assembly that can control keying with room temperature automatically is provided, it mainly is to establish a control circuit in the ceiling fan switch case, and establish a temperature transducer in appropriate location, detect ceiling fan room temperature on every side, wherein this control circuit compares detected temperatures signal and the temperature coefficient of presetting, select whether to drive ceiling fan motor, to control the running of ceiling fan automatically with room temperature.

The invention provides a kind of automatic temperature control device for ceiling fan, be primarily characterized in that: establish a control circuit in the ceiling fan switch case, cooperate a temperature transducer of being located at appropriate location on motor box or the switch box to detect temperature around the ceiling fan, whether with the work of automatic control ceiling fan.

Connect a mu balanced circuit on the output terminal of the rectification circuit that this control circuit mainly is made up of Zener diode and several diodes, this mu balanced circuit connects a temperature setting circuit again, this temperature setting circuit is made up of two upper and lower limit temperature setup units, the temperature setup unit is made up of divider resistance and variable resistor respectively, and be connected to respectively one the buffering usefulness operational amplifier, be connected and adjust variable resistance two ends with a temperature.

The temperature setting circuit output terminal connects a buffer circuit, make this buffer circuit and temperature transducer output terminal be connected to a comparison circuit respectively, this comparison circuit output terminal connects an optical coupler, the optical coupler output terminal connects a thyratron again, thyratron two output terminals are connected on the ceiling fan motor, to control its running.

Further specify structure characteristic of the present invention and purpose below in conjunction with accompanying drawing.Brief Description Of Drawings:

Fig. 1 is a schematic appearance of the present invention.

Fig. 2 is control circuit figure of the present invention.

Fig. 3 is a partial schematic diagram of the present invention.

The basic structure of general ceiling fan roughly as shown in Figure 1; mainly include and inhale 10; motor box 11; flabellum 12; switch box 13 and lamp decoration 14 etc.; and the present invention establishes a control circuit in switch box 13; other cooperates a temperature transducer 70 to detect ceiling fan temperature on every side; whether the work of control ceiling fan; the control circuit structure; as shown in Figure 2; at first on the power input in figure left side, be serially connected with power switch 21; safety fuse cutout 22 and one is parallel to the work indicator light 23 on the both ends of power; open and close to carry out the control power supply respectively; the function of excess current power-off protection and indicating operating status; the power supply of input is more through a bridge rectifier 30 of being made up of Zener diode 32 and several two utmost points 31; and extraneous Ac is converted to direct current; so that the internal circuit required electric power to be provided; the output terminal of rectification circuit 30 connects a mu balanced circuit 40; this mu balanced circuit 40 connects a temperature setting circuit 50 again; this temperature setting circuit 50 is by last; lower limit temperature setup unit 51; 52 form; on; lower limit temperature setup unit 51; 52 respectively by divider resistance and variable resistor 53; 54 form; mat is adjusted variable resistor 53; 54; the upper and lower numerical value of may command preset temperature; two temperatures setup unit 51; 52 are positioned at variable resistor 53; signal on 54 the public point is respectively via operational amplifier 55; 56 do voltage signal buffering after; be connected on the external variable resistor 57; by two operational amplifiers 55; 56 prevent that load effect from influencing on two; lower limit temperature degree of establishing unit 51; the setting voltage numerical value of 52 outputs; and user's mat is adjusted variable resistor 57, the critical temperature of setting the ceiling fan motor running or stopping.

Temperature setting circuit 50 output terminals connect one also by the buffer circuit 60 that operational amplifier constituted in addition, prevent that it is imitated by load to influence and changes.

And buffer circuit 60 output terminals and an external temperature transducer 70 are connected to respectively on the anti-phase and in-phase input end of a comparison circuit 80 internal arithmetic amplifiers, wherein this temperature transducer 70 is that the temperature transition that will record is a resistance value, when ambient temperature rises, its resistance value descends, and ambient temperature is when descending, its resistance value rises, so promptly constitute a dividing potential drop networking by a temperature transducer 70 and a series resistor, and the voltage of in-phase input end that can make the internal arithmetic amplifier of comparison circuit 80 can be with external temperature and float to change, setting voltage by the input of buffer circuit 60 output terminals is promptly made comparisons through the internal arithmetic amplifier, whether to determine the triggering following circuit, comparison circuit 80 output terminals connect an optical coupler 81, optical coupler 81 output terminals are connected with the gate pole of a thyratron 82, constitute an electronic switch, thyratron 82 output terminals are serially connected with on the ceiling fan motor (M), whether turn round to control it, but the output of mat comparison circuit 80 then triggers optical coupler 81 with indirect startup ceiling fan motor.

The above is a circuit structure of the present invention, its control mode mainly is to start power switch 21 in advance, light work indicator light 23 and entered the Automatic Detection and Control state to indicate this circuit, and the variable resistor on temperature setting circuit 50 57 default opens and closes adjacent boundary temperature, detect the ceiling fan environment temperature and see through temperature transducer 70, when room temperature is lower than the adjacent boundary temperature that sets, comparison circuit 80 output terminals are high petential, so can't trigger optical coupler 81, ceiling fan motor does not turn round then, when treating that room temperature is higher than the adjacent boundary temperature of setting, operational amplifier in-phase input end voltage reduces in the comparison circuit 80, make the voltage of its inverting input be higher than in-phase input end, so make comparison circuit 80 output terminals change low potential into, trigger optical coupler 81 and make thyratron 82 conductings, make it open running automatically to connect ceiling fan motor M, so when room temperature is higher than setting temperature, can detect via temperature transducer 70, and driving ceiling fan motor running air-supply, between the ceiling fan on-stream period, temperature transducer 70 still continues to detect the temperature variation of surrounding environment, after the room temperature of waiting reduces, temperature transducer 70 measured temperature are lower than preset temperature, then comparison circuit 80 output terminals are replied and are high petential, and making optical coupler 81 stop action, ceiling fan is promptly out-of-blast; Like this, this temperature transducer 70 continues to detect the room temperature changing condition, and the automatic control mode so that whether the control ceiling fan turns round can provide appropriate cool breeze radiating effect, and the power consumption efficiency that is effectively controlled.

The configuration of variable resistor 57 on switch box 13 of the switch 21 of foregoing circuit, work indicator light 23 and setting temperature can be as shown in Figure 3 again, it mainly is that members such as switch 21, work indicator light 23 and variable resistor 57 are floating on the periphery wall of switch box 13, wherein the scale 58 that forms in the periphery of these variable resistor 57 regulating levers is provided by the foundation that provides the user to adjust temperature;

Please consult shown in Figure 1 again, the visual actual demand of the installation position of temperature transducer 70 of the present invention is adjusted in advance, it can be loaded on switch box 13 peripheries, motor box 11 central authorities, side or suction and take over a business 10 first-class places, and look the actual state that ceiling fan is provided with the place, select the position that is provided with of temperature transducer 70, so that make the detection effect more become accurate.

Claims

1, with the work of automatic control ceiling fan whether a kind of automatic temperature control device for ceiling fan is characterized in that: establish a control circuit in the ceiling fan switch case, cooperate a temperature transducer of being located at appropriate location on motor box or the switch box to detect temperature around the ceiling fan;

The output terminal of the rectification circuit that this control circuit mainly is made up of Zener diode and several two utmost points connects a mu balanced circuit, this mu balanced circuit connects a temperature setting circuit again, this temperature setting circuit is made up of two upper and lower limit temperature setup units, this temperature setup unit is made up of divider resistance and variable resistor respectively, and connect an operational amplifier to buffering usefulness respectively, be connected and adjust the variable resistor two ends with a temperature;