DE102006013693A1 - Controller for dimming electronic ballast operated at alternating current network, has digitally active circuit for its control, and infrared signal receiver are connected with one another - Google Patents

Abstract

The controller has one to ten volts control input particularly a light source, by using infrared signal transmission. A digitally active circuit for its control and an infrared signal receiver (IR) are connected with one another. The active circuit and signal receiver are arranged such that the signal receiver is influenced by signals of remote-control, suitable for the radio or television-set operation, and charges the circuit for the control of the control element corresponding to received remote-control-signals.

Description

dimmer serve to continuously increase the power of utility consumers adjust, so that z. As light sources or others, the human Well-being affecting electrical devices (e.g., fans not only turned on and off, but also with a physiological Viewpoints to be adjusted part of the performance can be operated.

Generally are known z. B. dimmer switch, instead of an ordinary Light switch can be used in an existing switch box and the next to an on / off switch have a knob, with which the lamp brightness can be adjusted. It is about a Potentiometer the phase gating time of a triac inside a predetermined phase angle range of the mains voltage shifted and thus the power consumption of the lamp between "dark" and almost "full Performance ". Such dimmer switches are also available with touch sensors, so that the Brightness adjustment is the time prevailing during the a touch the switch surface takes place. In the place of a touch or another, am Place of the switch to be made manual action can also an infrared signal of a remote control transmitter occur.

The coupling of dimmer function and on / off switch in the same component has a number of disadvantages:
The switch is usually mounted stationary, - in a room usually near the door, occasionally on a device (eg foot switch a floor lamp). Without a remote control, a person has to go to the switch to change the brightness, so he must be able to walk and know where the switch is located. The latter also applies when using a remote control, because a secure reception of infrared signals of a remote control transmitter by an infrared receiver integrated in the switch requires a signal radiation in the direction of this receiver, ie in the direction of the switch.

Yet can, even if the location of a switch is known, its low attachment (usually Door handle height) the reason for this be that persons or furnishings the signal transmission path adjust and so a Fernbedinung from the armchair or from the bed impossible do what e.g. For sick or handicapped persons is particularly disadvantageous.

Finally has the union of switch and dimmer function a spatially tight limited switch housing restrictions in terms of the number of components that can be accommodated and the permissible heat development As a result, what ultimately the effort and the cost of the dimmer elevated.

Nearly in all schools, offices, Factories but also in the living room have established fluorescent tubes. But it is very disturbing if light sources, e.g. in the TV or computer screens mirror. Or think of movie screenings at school or at conferences. It also makes sense if you adjust the light at the touch of a button to personal well-being Can adjust the level while saving energy. An essential Advantage of the control unit is that the IR receiver, as well as all other leads by clamped connections simply connected or solved again can be. There are several versions from receiver available, the one at each one desired Mount the space in the room and also let it into the ceiling.

It Object of the invention is a dimmer according to the preamble of Protection claim 1 available to put, while maintaining all to operate a suitable AC utility's necessary switching functions without those with its Arrangement in the room associated limitations and disadvantages works.

To the function:

It there are, of course some ways to realize the circuit. One of them is the one a little older and therefore more elaborate Circuit Dimmaster LLSMD2. But it works pretty well.

The Mains voltage is applied to the K1, K2. At the exit is a dimmable ECG with 1-10 volts Input downstream. The mains voltage is sent to the mains input via K3, K4 of the electronic ballast. The ECG is now over the ELR (electronic load relay) controlled.

Of the LLSMD2 now gets its internal operating voltage over the Capacitors C1, C2 and C3, C4. R1 serves as a protective resistor. About Z1 turns the operating voltage a over D1, C9 rectified and smoothed to disposal stands.

R2, Z2 reduce the voltage again around this the IR receiver IC2 (TFMS5300).

About signals will be over now the circuit R6, Q1, R2, as the impedance converter over the Resistor R3 operates, fed to the IC1 (infrared logic) on pin 3, the Components CS, C6, C7, R3 are used for screening and generate the internal Tact for IC1.

The remote control has 4 buttons: On - Off - Brighter darker
or on - off - up - down

Becomes the light is switched on, i. Tension is applied to K1, K2, so is over the Elko C10 a short current flow, which is the S2 input on the IC3 (MOS 4027) gives a set impulse. The output Q at pin 1 of IC3 becomes so that high and thus the ELR turned on.

R15 serves here for current limitation. Similarly, pin 1 on the IC6 receives a power surge, which leads to, that all outputs go to high and the subsequent R2R member the full voltage the basis of the Q4 gives. The ECG is therefore fully controlled. In order to is guaranteed that the light (or the consumer) is turned on when the light switch is operated and thereby also the normal switching operation is not changed.

Becomes now with the remote control button depressed, this recognizes the logic IC1 and puts pin 12 high on time. This will make IC1 and IC2 reset. Output Q on IC1 goes low and this turns off the ELR. The load can therefore be switched off.

Becomes pressed the "lighter" key, so the PIN 3 of IC1 (Up) goes high as long as the button is pressed. That above the decoupling diode D2 and the limiting resistor R7 will now Q2 is switched on and the square-wave signal, which is via C12, R9, C13 is generated at IC5, to the clock input pin 15 of the IC6 placed. At the same time, the U / D (Up / Down) input is set high, around the counting direction adjust. This digital counter starts counting now and drives slowly increase the voltage on the R2R element. The 1-10 volt input is then controlled via Q4 and thus the brightness of the light.

Becomes the button "darker" pressed, so becomes pin 4 of IC1 high. Since pin 10 of IC6 now not switched is, the counting direction reverses around and the light is now darker.

Circuit 2 LLDIM

Here became a μProcessor the program developed with its own may all be used force Apply switching operations can.

On the Protective resistor R1 and the capacitive resistors C1-C4 become the mains voltage a small AC voltage obtained with Z1, D1 and C7 on the correct value is stabilized, rectified and smoothed.

R2, Z2 and C5 match this voltage again to the IR receiver, which over the terminals K7-K9 where the connection to ground is made immediately and the useful signal is tapped.

The Signal is over C6 screened and with R3, R5 and Q1 and the working resistor R4 customized the μProcessor fed to pin 3.

The μProcessor refers to Pin 8 its operating voltage and is connected to pin 4 to ground. At the entrances X1, X2 is a crystal that provides the internal clock for the processor.

Of the Processor evaluates the signals of the remote control and controls the Command "On" the output 1 high and turns the ELR on. By pulse width regulation is via R6 and The capacitor C8 obtained a variable DC voltage, the 1-10 v Regulated output. The light is turned on.

Should the brightness changes will be according to the direction of change the pulse-pause ratio changed and with it the DC voltage at the 1-10 V output.

Of course you can The circuit can also be extended so that you have several lights independently control each other and thereby can produce mixed colors.

With red and white can from red over all possible pink tones to mix white.

As well are all mixed colors possible, if you have three electronic ballasts with the primary colors blue, red and green.

Claims (7)

Control unit of a dimmable electronic ballast operated on the AC mains with 1-10V control input, in particular a light source by means of infrared signal transmission, characterized in that in a space and security suitable for use in the electrical installation housing a consumer power adjusting control (EVG), a digitally operating circuit whose control and an infrared signal receiver (IR) are connected to each other and arranged such that the infrared signal receiver can be influenced by signals from a radio or TV remote control suitable remote control transmitter from outside the housing and acts on the chat for driving the control according to received remote control signals. Dimmer control for protection claim 1, characterized in that the housing free of manually operated switching or Einstellvorrich and shape and dimensions are designed so that it can be installed eg in rooms, on the ceiling, on walls or furnishings, even in places outside the reach of people or embedded in it. Dimmer control according to one of the preceding claims, characterized in that it enters the supply line of the electricity consumer to be controlled is switched. Dimmer control according to claim 3, characterized that one through a network-side switch of the consumer existing Switch-on function also received after interposition of the dimmer remains. Dimmer control equipped with an IR sensor, characterized in that this in different designs Any place in the room can be attached. Dimmer control equipped with a PIC or μProcessor, characterized by the fact that this by its specially developed Program is able to evaluate, convert and IR signals by pulse width control or other suitable methods, the control element to control. Dimmer control equipped with a PIC or μProcessor, characterized in that this by a specially developed Program is able to control multiple ballasts and by using colored roar all To create mixed colors.