CN2512008Y

CN2512008Y - Output power regulating circuit

Info

Publication number: CN2512008Y
Application number: CN 01232585
Authority: CN
Inventors: 谢原泰; 林瑞升
Original assignee: GEN-HOME TECHNOLOGY Co Ltd
Current assignee: GEN-HOME TECHNOLOGY Co Ltd
Priority date: 2001-08-07
Filing date: 2001-08-07
Publication date: 2002-09-18
Anticipated expiration: 2011-08-07

Abstract

The utility model relates to an output power regulating circuit, which is connected with an AC power in series and a load, and comprises a power circuit, a zero detecting circuit, a driving circuit and a micro controller; in operation process, the power circuit can convert the AC power into a certain voltage for other circuit to use; the zero detecting circuit can coordinate with the micro controller to detect the zero point of an oscillating period, the micro controller can set up a switch setting according to a load condition to coordinate with the internal programs, during each oscillating period of the AC power triggering a certain time for TRIAC of the driving circuit to make the AC power, the load and TRIAC (double-direction triode) trigger a certain time, then the AC power, the load and TRIAC can form a loop so as to make the load working under a proper power condition.

Description

But the power adjusting circuit of modulation output power

Technical field

The utility model relates to a kind of power adjusting circuit, refers to especially a kind ofly can go out different output power at the different loads modulation, but to make load keep according to actual operating position operating on the power adjusting circuit of the modulation output power of preferable situation.

Background technology

Generally be carried on connect AC power after, its power is certain usually, can't make modulation with actual needs.Therefore, the utility model provides a kind of power modulation circuit of adjusting output power, to go out different output power according to the different loads modulation.

Summary of the invention

But the utility model fundamental purpose provides a kind of power adjusting circuit of modulation output power, be connected with the AC power and the load that become series connection, and this circuit comprises power circuit, zero point detection circuit, driving circuit and micro controller; During use, power circuit can convert AC power to appropriate voltage, uses so that other circuit to be provided; The zero point detection electric current can cooperate micro controller to detect the zero point of oscillation period, and micro controller can be according to the setting of load set switch, cooperate internal processes, each oscillation period of AC power the TRIAC (two-way triode) of driving circuit is triggered an appropriate time, make AC power, load and TRIAC trigger an appropriate time, make AC power, load and TRIAC form a loop, to make loaded work piece in a suitable power.

By said structure, the following advantage of the utility model tool as can be known:

1. can set the load set switch according to the kind of actual working load, impel the adjustment circuit to go out suitable power, operate on preferable situation to use situation to make load keep according to reality according to the different loads modulation.

2. under the situation of 2 line formulas, take the straighforward operation mode.

3. can control a plurality of load in parallel simultaneously.

4. can use with the single-pole double-throw switch (SPDT) line.

5. it can be contained on the wall in the switch, and only accounts for a reticle of pipeline terminal box, so volume is little, and can't find out in outward appearance, and more attractive in appearance.

Description of drawings

Fig. 1 is circuit block diagram of the present utility model (2 a line interconnection system);

Fig. 2 is preferred circuit figure of the present utility model (2 a line interconnection system);

Fig. 3 is another embodiment circuit block diagram of the present utility model (3 a line interconnection system);

Fig. 4 is another embodiment preferred circuit figure of the present utility model (3 line interconnection system);

Fig. 5 cooperates the circuit block diagram of transmitter and receiver for the utility model;

Fig. 6 controls the preferred circuit figure of a plurality of shunt loads simultaneously for the utility model;

Fig. 7 is the be connected preferred circuit figure of single-pole double-throw switch (SPDT) of the utility model;

Fig. 8 is the single-pole double-throw switch (SPDT) circuit diagram that general staircase adopts control load.

Component parameters explanation among the figure:

1 adjusts circuit 11 power circuits

12 zero point detection circuits

13,131,132,133 driving circuits

Tr1, Tr2, the two-way triode of TRIAC

14 micro controller, 141 starting switches

142 load set switches, 143 mode of connection switches

144 address sign indicating number configuration switchs, 145 receivers

146 displays, 15 transmitters

151 open-close bonds, 152 timing setting keys

3,31,32,33 loads of 2 AC power

10 loads, 20 power supplys

40 times switches of switch on 30

Embodiment

Referring to Fig. 1,2, adjustment circuit 1 of the present utility model is connected with the AC power 2 and the load 3 that become series connection, and adjustment circuit 1 comprises power circuit 11, zero point detection circuit 12, driving circuit 13 and micro controller 14.

Power circuit 11 can become an appropriate voltage with AC power 2 filtering, rectification and voltage stabilizing, to provide circuit such as zero point detection circuit 12 and micro controller 14 to use, after this power circuit 11 forms a filtering circuit by capacitor C 1 and resistance R 1 are in parallel, a R2 again connects, this resistance R 2 rectification circuit that is constituted by diode D1, D2 and capacitor C 2 of connecting again, wherein diode D1 is connected in series with diode D2, and with capacitor C 2 and establish, the mu balanced circuit that makes this rectification circuit parallel connection one be constituted again at last by zener diode ZD1; Zero point detection circuit 12 can receive AC power 2, with detecting zero point of 2 oscillation period of AC power, and when detecting zero point, can export a signalisation micro controller 14, and this zero point detection circuit 12 is connected with load 3 in base stage (the B utmost point) serial connection one resistance R 4 backs of transistor Q1, its collection utmost point (the C utmost point) is connected to direct supply behind series resistor R5, simultaneously, and the order collection utmost point (the C utmost point) is connected to the rB2 pin of micro controller 14, as for the emitter-base bandgap grading (the E utmost point) of transistor Q1 direct ground connection then; Driving circuit 13 mainly is made of TRIAC (two-way triode) Tr1, and two anodes wherein are connected to form the loop with AC power 2 and load 3 respectively, and its gate is being connected with the rB1 pin of micro controller 14 with resistance R 3 and diode D3 serial connection back; Micro controller 14 connects a starting switch 141, and connects many load set switches 142, and to select to set according to the kind of load 3, for example load 3 kinds are that bulb, fan, daylight lamp, Electricity-saving lamp bulb can divide and be set at 00,01,10,11 in addition.

Wherein, power circuit 11 can be in parallel with driving circuit 13, makes adjustment circuit 1 be 2 lines with AC power 2 and load 3 and be connected, be i.e. the 2 line formulas of A as shown in Figure 1, 2, B.Perhaps, power circuit 11 can directly be connected with AC power 2 two ends, makes adjustment circuit 1 be 3 lines with AC power 2 and load 3 and is connected, be i.e. the 3 line formulas of A shown in Fig. 3,4, B, C.Above-mentioned micro controller 14 is connected with a mode of connection switch 143, is set in 2 or 3 line connected modes for you to choose.

See also 3 lines shown in Fig. 3,4 and connect embodiment, during use, can press starting switch 141, then power circuit 11 can become an appropriate voltage with AC power 2 filtering, rectification and voltage stabilizing, uses so that other circuit to be provided.Zero point detection circuit 12 can cooperate micro controller 14 detecting AC power zero points of 2 oscillation period, when oscillation period, electronegative potential was promoted to relative noble potential relatively certainly, micro controller 14 can pick up counting, and after arriving next electronegative potential, micro controller 14 can stop timing, thereby can calculate the time of semiperiod, also can calculate its oscillation frequency.Moreover, micro controller 14 can be carried out the setting of configuration switch 142 according to load, cooperate internal processes, each half oscillation period of AC power 2 TRIAC (Tr1) of driving circuit 13 is triggered an appropriate time, make AC power 2, load 3 and TRIAC (Tr1) form a loop, work in a suitable power to make load 3.For example, when load 3 was bulb, micro controller 14 can make the every AC power of the driving circuit 13 conductings 5-100% of 2 half oscillation period, so that the bulb of load 3 works in 5-100% power; If when load 3 was fan, micro controller 14 can make the every AC power of the driving circuit 13 conductings 50-100% of 2 half oscillation period, so that the fan motor of load 3 works in 50-100%; When if load 3 is daylight lamp, micro controller 14 can shilling driving circuits 13 conductings in more than 80% of 2 half oscillation period of AC power, after treating the fluorescent start of load, make driving circuit 13 conductings in the AC power 50-60% of 2 half oscillation period again, so that the daylight lamp of load 3 can obtain the high pressure when initial and become clear, and keep after bright and work in 50-60% power; When if load 3 is Electricity-saving lamp bulb, micro controller 14 can shilling driving circuits 13 conductings in more than 70% of 2 half oscillation period of AC power, after treating the Electricity-saving lamp bulb startup of load 3, make driving circuit 13 conductings in the AC power 50-60% of 2 half oscillation period again, work in 50-60% power so that the Electricity-saving lamp bulb of load 3 is kept.

Connect embodiment referring to 2 lines shown in Fig. 1,2, it is connected the embodiment difference with 3 lines shown in Fig. 3,4 be in parallel with driving circuit 13 in Fig. 1,2 power circuit 11 only, therefore Fig. 1,22 lines connect embodiment and use distribution to be easier in reality, and its running is also roughly the same.Yet, because Fig. 1,2 power circuit 11 are in parallel with driving circuit 13, if continue to make the words of TRIAC (Tr1) conducting of driving circuit 13, power circuit 11 just can't be obtained AC power 2, so 100% of above-mentioned 2 half oscillation period of then unreachable AC power time that make TRIAC (Tr1) conducting, for example can reach 95% of 2 half oscillation period of AC power, but remaining 5% power supply gives power circuit 11.

Referring to Fig. 2,4,5, can take remote control mode, be that above-mentioned micro controller 14 is connected with address sign indicating number configuration switch 144 and receiver 145, other has one can supply the transmitter 15 of consumer's operation, and receiver 145 and transmitter 15 can be taked infrared ray or wireless radio transmission, remote control mode, and this address sign indicating number configuration switch 144 can be for setting the address sign indicating number.This transmitter 15 has many buttons for pressing operation, and launches the default coded signal of corresponding this button, and simultaneously, receiver 145 can cooperate micro controller 14 receptions to be somebody's turn to do default coded signal, and is decoded, and does correspondence processing, control according to this decoded signal.For example, it has the function that remote control opens and closes load 3, i.e. the in good time conducting of transmitter 15 tools or not on-state drive circuit 13 make load 3 open (ON) or close (OFF).It has the function that regularly starts or close load 3, promptly this transmitter 15 has timing setting key 152, can be for setting the time that starts or close light fixture, and change into coded signal and launch, in addition, after receiver 145 receives this coded signal, meeting is decoded this coded signal by micro controller 14 and is obtained set data, simultaneously, micro controller 14 can cooperate the internal timing program to begin counting, and when counting up to the time that this timing data sets, micro controller 14 can in good time conductings or on-state drive circuit 13 not, and then reach the purpose that regularly starts or close light fixture.

Referring to Fig. 5, above-mentioned micro controller 14 connects displays 146, so that show various messages, and kind of load 3 or power number percent or the like for example.

Referring to Fig. 6, it can control a plurality of 2 line formula load in parallel 31,32,33 simultaneously.Promptly utilize power circuit 11, the zero point detection circuit 12 of same AC power 2, same adjustment circuit 1 and can control all a plurality of driving circuit 131-133 of different loads 31-33 individually, control a plurality of load in parallel 31-33, zero point detection circuit 12 wherein is connected with micro controller 14 with driving circuit 131-133.Like this, micro controller 14 can be controlled its pairing driving circuit 131-133 according to different loads 31-33, and then adjusts different output power at different loads 31-33.

Referring to Fig. 8, control circuit figure for the electric light even load 10 of general staircase, load 10, power supply 20 and the upper and

lower switch

30,40 that is placed in the stair top and bottom ends are connected into a loop, and upper and

lower switch

30,40 all is a single-pole double-throw switch (SPDT), and, all can make load 10 operate or not operate regardless of going up switch 30 in the operation of stair top or operating switch 40 down in the stair bottom.Referring to Fig. 7, the utility model also can reach the handoff functionality of this single-pole double-throw (SPDT), the change-over switch 4 that promptly connects power supply 2, load 3, this adjustment circuit 1 and a single-pole double-throw (SPDT) in regular turn, and adjust driving circuit 13 another driving circuits 134 in parallel of circuit 1, two TRIAC wherein (Tr1, Tr2) one anode is connected with (N.O.) normally closed (N.C.) contact of often opening of change-over switch 4 respectively.During use, change-over switch 4 is pulled to normally closed contact (N.C.), when then micro controller 14 triggered TRIAC (Tr1), circuit can form the loop, impel load 3 runnings, otherwise when triggering TRIAC (Tr2), load 3 can't operate.Moreover, change-over switch 4 is pulled to normal opened contact (N.O.), when then micro controller 14 triggered TRIAC (Tr1), load 3 can't operate, on the contrary when triggering TRIAC (Tr2), load 3 can running.

In addition, the pipeline terminal box of general commercially available minimum is three lattice reticle, can hold switch on three walls, and is relative, and above-mentioned adjustment circuit 11 of the present utility model can be contained on the wall in the switch, and only accounts for a reticle of pipeline terminal box.Even adjustment circuit 1 shown in Figure 7 and change-over switch 4 all can be contained on the wall in the switch, and only account for a reticle of pipeline terminal box.Secondly, adjustment circuit 1 shown in Figure 6 also can be contained in the wall upper pipeline terminal box.

Claims

1. but the power adjusting circuit of a modulation output power is characterized in that: it is connected with AC power and load of becoming series connection, and this adjustment circuit comprises:

One power circuit becomes AC power filtering, rectification and voltage stabilizing one appropriate voltage and exports to zero point detection circuit and micro controller;

One zero point detection circuit receives AC power and detects AC power zero point of oscillation period, and the zero signal that detects is exported to micro controller;

One drive circuit includes a plurality of TRIAC (two-way triode), and two anodes of this TRIAC are connected to form the loop with AC power and load respectively, and its gate then is connected with micro controller;

One micro controller, connect a starting switch, and connect a plurality of load set switches, this micro controller is according to the setting of load set switch, TRIAC each half oscillation period of AC power to driving circuit triggers, this TRIAC receive trigger pip and conducting and with AC power, and load form a loop.

2. but the power adjusting circuit of modulation output power according to claim 1 is characterized in that: this power adjusting circuit is 2 lines with AC power and load and is connected, and wherein this power circuit is in parallel with driving circuit.

3. but the power adjusting circuit of modulation output power according to claim 1 is characterized in that: this power adjusting circuit is 3 lines with AC power and load and is connected, and wherein this power circuit is directly connected in the AC power two ends.

4. but the power adjusting circuit of modulation output power according to claim 1 is characterized in that: this micro controller is connected with one for address sign indicating number configuration switch and the receiver of setting the address sign indicating number.

5. but according to the power adjusting circuit of claim 1 or 4 described modulation output powers, it is characterized in that: this micro controller also is equipped with one to be provided with a plurality of operation push-buttons and can to launch the transmitter of the default coded signal of corresponding each button, and this receiver and this transmitter can be taked the remote control mode of infrared ray or wireless radio transmission; This receiver receives should be preset coded signal and send micro controller to, and micro controller is decoded this coded signal, carries out inter-process and convert control signal to exporting to driving circuit.

6. but the power adjusting circuit of modulation output power according to claim 5 is characterized in that: this transmitter has the open-close bond that a control load is opened or closed.

7. but the power adjusting circuit of modulation output power according to claim 5 is characterized in that: this transmitter has one and sets the startup of load or the timing setting key of shut-in time.

8. but the power adjusting circuit of modulation output power according to claim 1 is characterized in that: this micro controller connects the display of the various messages of a demonstration.

9. but the power adjusting circuit of modulation output power according to claim 1, it is characterized in that: a plurality of TRIAC that this driving circuit comprised, can control a plurality of load in parallel of similar number respectively, two anodes of each TRIAC are connected to form the loop with AC power and corresponding load respectively, and its gate then is connected with micro controller.

10. but the power adjusting circuit of modulation output power according to claim 1 is characterized in that: this power adjusting circuit connects AC power, load in regular turn, reaches a single-pole double-throw (SPDT) change-over switch; Wherein establish two TRIAC (Tr1), (Tr2) in the driving circuit of this power adjusting circuit, the anode of this two TRIAC all is connected with load, and another anode is connected with normal opened contact, the normally closed contact of change-over switch respectively.

But 11. the power adjusting circuit of modulation output power according to claim 1 is characterized in that: this power adjusting circuit can be contained on the wall in the switch.

But 12. the power adjusting circuit of modulation output power according to claim 9 is characterized in that: this power adjusting circuit can be contained in the wall upper pipeline terminal box.

But 13. the power adjusting circuit of modulation output power according to claim 10 is characterized in that: this power adjusting circuit and change-over switch can be contained on the wall in the switch.