CN2372832Y

CN2372832Y - Pulling switch circuit device capable of stepless controlling ceiling lamp luminance

Info

Publication number: CN2372832Y
Application number: CN 98218632
Authority: CN
Inventors: 洪文辉
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-08-22
Filing date: 1998-08-21
Publication date: 2000-04-05
Anticipated expiration: 2008-08-21

Abstract

The utility model relates to a pulling switch circuit device, which can be used for controlling the luminance of a lamp fitting of a ceiling fan in a stepless way. The utility model comprises a microprocessor which is respectively connected with a power supply, earthing, signal output and signal input, a voltage-stabilizing rectification unit which is mainly connected with a signal output terminal and a signal input terminal, a pulling switch which is respectively connected with the voltage-stabilizing rectification unit and a control unit, a protection unit which is also respectively connected with the power supply and the control unit, a zero-point crossover loop which is connected with the power supply and the control unit, and a brake flow unit which is respectively connected with the signal output terminal of the control unit and a lamp fitting; the output terminal of the brake flow unit is connected with the ground. The luminance of the lamp fitting of the ceiling fan can be controlled by the pulling switch by users by the circuit structure.

Description

Can the section of nothing the Drawing switch circuit arrangement of control ceiling fan lamp brightness

The utility model is to have the pass with Lamp with ceiling fan, particularly controls the Drawing switch circuit arrangement of ceiling fan lamp brightness about a kind of section of nothing.

Press, tradition is used in the light fixture on the ceiling fan, and it is that the dual mode that only flickers uses, in other words, the user can only select maximum brightness or turn off this light fixture, and this is very inconvenient on reality is used, and must be maximum brightness when using at every turn, also waste energy.And under different environment, the needed lamplight brightness of user also might be different, and when needing more dim light during especially with rest, traditional ceiling fan light fixture is powerless in fact.

Have some people to propose solution at the problem of aforesaid ceiling fan light fixture brilliance control: one is for control the brightness of this light fixture with remote control, though it is easy to use, and light modulation fully, only its unit price is high, and is almost equal in a ceiling fan, very uneconomical, its two, be to be contactor control device, though its light modulation fully, only it is when using, be to use a unsettled pendant as sensing chip, the user need touch the brightness of this sensing chip with the control light fixture fast, and this kind mode is inconvenience very; Its three, be to be wall control device, the unit price of these devices is cheap and control easily, also light modulation fully, only its installing is very inconvenient.

Main purpose of the present utility model promptly is to provide a kind of Drawing switch circuit arrangement of the section of nothing control ceiling fan lamp brightness, and it can cooperate the Drawing switch of ceiling fan and light fixture to use and the brightness of the section of nothing ground control light fixture.

An of the present utility model purpose is to provide a kind of Drawing switch circuit arrangement of the section of nothing control ceiling fan lamp brightness, and it is very easy in the operation of control ceiling fan lamp brightness.

Edge is, for reaching aforesaid purpose, the Drawing switch circuit arrangement of the section of nothing control ceiling fan lamp brightness provided by the utility model, be to be with the installation of on the ceiling fan light fixture, be used for controlling the brightness of this light fixture, this circuit arrangement includes: hand over loop and lock stream unit more at a microprocessor, a voltage stabilizing rectification unit, a Drawing switch, a protected location, a zero point; Wherein, this voltage stabilizing rectification unit is to be connected with the first input end of input with AC power (civil power), and its output then is connected with the power input of this microprocessor, in order to this microprocessor one stabilized power supply to be provided; This Drawing switch is to be channel status when pulled, and at ordinary times or an end that is this open circuit of open-circuit condition when being released be to be connected with the output of this voltage stabilizing rectification unit, the other end then is connected in the signal input part of this microprocessor, in order to provide signal to this microprocessor; This protected location is connected in series the catching diode and the resistance that form by two diodes and is formed, one end of this resistance is the first input end that is connected in AC power, the other end then is connected between this two diode, and end is connected simultaneously and with handing over more the zero point of this microprocessor; This lock stream unit is to be connected with the signal output part of this microprocessor with its lock end, and be connected in an end of a ceiling fan light fixture with its input, the other end of this ceiling fan light fixture then is connected in the first input end of AC power, and in addition, the output of this lock stream unit is ground connection then; Take this, this lock stream unit can receive the signal of being sent by this microprocessor, produces the phenomenon of path or open circuit, nationality with control this light fixture flicker with and brightness.Nationality is by above-mentioned circuit structure, its part is simple and cheap, and when the user is left behind this Drawing switch, this microprocessor is promptly held this Drawing switch institute elapsed time according to the user and is adjusted the conducting angle of lock stream unit and then the brightness of control light fixture, it possesses use simple (identical with original ceiling fan Drawing switch occupation mode) really, assembling is convenient, and is powerful, and cheap advantage.

Below lift a preferred embodiment and conjunction with figs. now the utility model is described further, wherein:

Fig. 1 is the circuit diagram that the utility model one preferred embodiment cooperates the ceiling fan light fixture.

Fig. 2 is the AC power road current flow angle degree key diagram of the utility model one preferred embodiment.

At first see also Fig. 1, the circuit arrangement 10 of the utility model one preferred embodiment is to be parallel on the circuit of AC power with a light fixture 14, and the input of this light fixture 14 is connected with the first input end of this AC power 11.This circuit arrangement 10 is made of a microprocessor 20, one voltage stabilizing rectification units 30, one Drawing switches 40, one protected locations 50, one zero potentials detecting loop 60 and lock stream unit 70.

This microprocessor 20 is to be an application-specific integrated circuit (ASIC) (ASIC), and the model of this microprocessor 20 is to be PD109 in this preferred embodiment, and this microprocessor 20 has a power input 21 in order to receive power supply, and nationality is to start (Enablc) for microprocessor 20; Hand over end (Zero Crossing End) 23 more one zero point, whether have in order to the current potential of detecting this end 23 and hand over phenomenon more zero point; One earth terminal 25 in order to ground connection; One signal output part 27 is in order to the output control signal; One signal input part 28 is in order to receive the control signal that the external world is transmitted.Because integrated circuit 20 is to be the application-specific integrated circuit (ASIC) of a common-use size; usually its model and pin position are to order certainly for manufacturer; therefore; creation of the present utility model focuses on the function of this microprocessor 20; and its model is not exceeded with PD109; such as with the microprocessor 20 of the present utility model person that has the identical function, all should be considered as protection range of the present utility model.

This voltage stabilizing rectification unit 30 is made up of one first resistance 31, one first diodes, 32, one Zener diodes 33 and one first electric capacity 34.The input 35 of this voltage stabilizing rectification unit 30 is connected with the first input end 11 of AC power, output 36 is the power inputs 21 that are connected in this microprocessor 20, after alternating current is entered by first input end 11, through first resistance 31, through first diode, 32 restriction negative voltages,, be 5V by these Zener diode 33 deboosts more only by positive voltage, and the discharging and recharging of this first electric capacity 34 of nationality, provide a stable 5V direct current to use by output 36 for this microprocessor 20.

This Drawing switch 40 be for a kind of when holding path, promptly reply the switch for open circuit after the release, the one end is connected with the output 36 of this voltage stabilizing rectification unit 30, and the other end is connected with this signal input part 28, when user's Drawing switch 40, can transmit a signal to this microprocessor 20.

This protected location 50 is made up of one the

3rd resistance

51 and 53,54 of the one the 3rd, the 4th diodes.The 3rd resistance 51 1 ends are connected in the first input end 11 of AC power, its other end is handed over this zero point and is held 23 to be connected more, the positive pole of the 3rd diode 53 is connected with second input 12 of AC power, its negative pole is handed over this zero point and is held 23 to be connected more, and the positive pole of the 4th diode 54 holds 23 to be connected with this friendship at zero point more, its negative pole is connected with the power input 21 of this microprocessor 20, the 3rd, four diodes 53, the 54th, form clamped (Clamping) state, when the alternating current of importing is 120V/60HZ, and when the resistance of the 3rd resistance 51 is 1M Ω, the electric current of the 3rd resistance 51 promptly can be greater than 120uA by generation, and this current value is less than this two

diode

53,54 permissible range, therefore, this at zero point hand over hold more 23 current potential will be limited in+07V is between-the 07V.

And simultaneously, this microprocessor 20 promptly can be handed over and hold 23 current potential more zero point is benchmark, and nationality is handed over phenomenon more zero point to judge whether voltage has to produce, that is, form to hand over a zero point and get over loop 60 (Zero Crossing Loop).

This lock stream unit 70 is made up of a two-way controllable silicon (TRIAC) 71, one second, third electric capacity 72,73, one the 4th, the

5th resistance

74,75 and an inductance 76.The input of this second electric capacity 72 is connected with this signal output part 27, its output is connected with the input of the 4th resistance 74, and the output of the 4th resistance 74 is connected with the gate of this bidirectional triode thyristor 71, the input of the 5th resistance 75 is connected in the output head grounding of bidirectional triode thyristor 71, its input is connected in the output of inductance 76, and the input of this inductance 76 joins in the output of this light fixture 14, and the input of the 3rd electric capacity 73 is connected in the output of this light fixture 14, its output head grounding.Take this, when this lock stream unit 70 paths, this light fixture is promptly luminous because of energising, but and this microprocessor 20 to be signals that its signal output part 27 of nationality is exported control this lock stream unit 70 paths or open circuit, whether luminous nationality is with the control light fixture.

The above is to be the detailed circuit structure of the utility model one preferred embodiment, and its principle is described as follows now:

Please cooperate and consult Fig. 1 to Fig. 2, after the AC power energising, this voltage stabilizing rectification unit 30 promptly provides a stable 5V power supply to this microprocessor 20, this microprocessor 20 promptly is activated (Enable), at this moment, the signal output part 27 of this microprocessor 20 does not have the signal of output as yet, when the user spurs this Drawing switch 40 and behind the path, these microprocessor 20 nationalitys are received the 5V signal that is transmitted by this voltage stabilizing rectification unit 30 by this signal input part 28, and send a triggering signal Tg to this bidirectional triode thyristor 71 by signal output part 27, and make is that the bidirectional triode thyristor 71 of open-circuit condition is channel status because of the triggering of this triggering signal Tg originally, so electric current can be via this light fixture 14, inductance 76 and this bidirectional triode thyristor 71 and conducting, this moment, this light fixture 14 was shinny because of there being electric current to pass through.But because in the waveform of AC power, no matter the starting voltage of the half-wave shape of positive voltage or negative voltage is OV, so after this triggering signal Tg triggers this bidirectional triode thyristor 71 and makes it path, when this AC power waveform is got back to OV by positive voltage or negative voltage, this bidirectional triode thyristor 71 promptly is open-circuit condition again, in the time of must treating that another triggering signal Tg enters, path once more, therefore, this microprocessor 20 must be constantly by its 27 cycles of sending of signal output part triggering signal Tg of half that is ac period, make this bidirectional triode thyristor 71 be able to continuous positive half cycle and negative half period and be conducting state, and this light fixture 14 is continued with a constant brightness luminous then in AC power waveform.

Take this, utilize this friendship at zero point to detect the time point of voltage in loop 60 more for OV, can be for this microprocessor 20 as the initial point foundation of sending triggering signal Tg, nationality enters the inlet point of AC power waveform by adjusting this triggering signal Tg, be the conducting angle of this bidirectional triode thyristor 71 of may command under AC power, the conducting power of electric current thereby can be controlled, in other words, the user is as long as nationality is adjusted this conducting angle by this microprocessor 20, i.e. the brightness of this light fixture 14 of may command.In present embodiment, this microprocessor 20 is the inlet points that can adjust this triggering signal Tg the atomic little time interval, but nationality is almost the adjustment effect of not having section with generation.

Below further specify occupation mode of the present utility model now again:

1, open light fixture: the user decontrols behind this Drawing switch 40 of pulling immediately, after then this microprocessor 20 is accepted this and is drawn discharge signal, constantly the cycle of sending is half triggering signal Tg of ac period immediately, and its conducting angle is maximum, so light fixture 14 brightness also are maximum.

2, adjust brightness: do not put above a scheduled time if the user holds this Drawing switch, in present embodiment is 04 second, then this microprocessor 20 can begin constantly to adjust the triggered time of triggering signal Tg, to adjust the luminous power of light fixture 14, i.e. its luminous brightness.Its adjust stroke be for: dark → bright → dark circulation.

3, switch light fixture: when the ON state, leave behind this Drawing switch and quick the relieving can be closed this light fixture 14.

Claims

1, a kind of Drawing switch circuit arrangement of the section of nothing control ceiling fan lamp brightness, be to be with the installation of on the ceiling fan light fixture, be used for controlling the brightness of this light fixture, this circuit arrangement includes: hand over loop and lock stream unit more at a microprocessor, a voltage stabilizing rectification unit, a Drawing switch, a protected location, a zero point; It is characterized in that:

This voltage stabilizing rectification unit is to be connected with the first input end of AC power with input, and its output then is connected with the power input of this microprocessor, in order to this microprocessor one stabilized power supply to be provided;

This Drawing switch is to be channel status when pulled, and at ordinary times or be open-circuit condition when being released, one end of this open circuit is to be connected with the output of this voltage stabilizing rectification unit, and the other end then is connected in the signal input part of this microprocessor, in order to provide signal to this microprocessor;

This protected location is connected in series the catching diode and the resistance that form by two diodes and is formed, one end of this resistance is the first input end that is connected in AC power, the other end then is connected between this two diode, and end is connected simultaneously and with handing over more the zero point of this microprocessor;

This lock stream unit is to be connected with the signal output part of this microprocessor with its lock end, and be connected in an end of a ceiling fan light fixture with its input, the other end of this ceiling fan light fixture then is connected in the first input end of AC power, and in addition, the output of this lock stream unit is ground connection then.