RU5677U1 - ELECTRONIC CEILING CIRCUIT BREAKER WITH ADJUSTING BRIGHTNESS OF THE LIGHT - Google Patents

Abstract

An electronic ceiling switch with adjustable brightness of the glow of incandescent lamps, containing a movable lever, its axis, contacts and a permanent magnet, characterized in that it also contains a bracket, a second permanent magnet, an on-off unit, a generator, a unit for setting the brightness of the glow, a current time unit , a comparison unit, a start-up start block, an executive switch block, a start signal generation block, a power supply and an initial installation block, moreover, sealed contacts are used as contacts (g rcon), which, together with the first permanent magnet and the axis of the movable lever, are fixed on the bracket, the second permanent magnet is fixed on the movable lever, the terminals of the reed switch are connected to the inputs of the on-off unit, which is a circuit for smoothing contact bounce and an on-off trigger, the counting input of which connected to the output of the chattering smoothing circuit, and the reset input of which through the same input of the on-off unit is connected to the output of the initial installation unit, the trigger output of the on-off unit of the soy inen with the reset input of the luminance brightness setting unit and the lock input of the on-start trigger unit, the start input of which is connected to the output of the comparison unit and the output is connected to the control input of the executive switch unit, the first and second control inputs of the luminance brightness setting unit are connected respectively to the output of the smoothing circuit contact bounce of the on-off unit and with the output of the start signal of the start signal generation unit, with the reset inputs of the current time unit and the comparison unit, the first and second groups

Description

; tr. 162.

this switch also has a relatively lower reliability due to the mechanical drive used, requiring relatively high switching forces.

In addition, the known switches do not provide brightness control of the glow of incandescent lamps and naughty cutting their inclusion.

The purpose of the utility model is to expand the functionality of switches for incandescent lamps by providing a sparing mode of their inclusion and the ability to set the required brightness, as well as significantly increasing the reliability and service life of switches while increasing the service life of incandescent lamps.

This goal is achieved by the fact that the electronic ceiling switch with brightness adjustment of the glow of incandescent lamps, containing a movable lever, its axis, contacts and a permanent magnet, also contains a bracket, a second permanent magnet, an on-off unit, a generator, a unit for setting the brightness of the glow, current The burden, the comparison unit, the OLOK start EXCLUSION, the Executive switch unit, the signal generation block starts, the power supply and the unit nalnogo installation, and sealed contacts are used contacts (reed switch), which, together with the first permanent magnet and the axis of the movable lever, are fixed on the bracket, the second permanent magnet is fixed on the movable lever, the terminals of the reed switch are connected to the inputs of the on-off switch, which is a circuit for smoothing contact bounce and an on-off trigger, the counting input of which is connected to the output of the chatter smoothing circuit, and the reset input of which through the same input of the on-off unit with the output of the initial installation unit, the trigger output of the on-off unit The input is connected to the reset input of the unit for setting the brightness of the glow and to the input of blocking the block zlousv. a switch, the trigger input of which is connected to the output of the comparison unit, and the output, with the control input of the executive switch block, the first and second control inputs of the glow brightness setting block are connected respectively to the output of the contact bounce smoothing circuit of the on-off block and-with the output of the start signal of the formation block the start signal, with the reset inputs of the time unit and the comparison unit, the first and second groups of inputs of which are connected respectively to the group of outputs of the unit for setting the brightness of the glow and gr uppa of the outputs of the current time block, the counting input of which is connected to the generator output and to the clock input of the Start signal generation block, the first signal input of which is connected to the first input of the power supply, the output of the executive switch unit and the first output of the device for connecting the load, the signal input of the executive unit the switch is connected to the second signal input of the Start signal generation block, the second input of the power supply and the first network input of the device, the second network input is I second device output for connection to the load.

The technical result of the utility model mainly consists in a significant increase in its reliability (by replacing

services due to the sparing mode of their implementation.

In Fig, 1 presents a diagram of the proposed device. It includes: sealed contacts (reed switch) 1, on-off switch S, generator 3, glow brightness setting unit 4, time block for the next half-cycle of mains voltage 5, comparison unit 6, on-off trigger unit 7, executive switch unit 8, signal conditioning unit starts 9, power supply 10, initial installation unit 11, the load (incandescent lamps) are not included in the device, are indicated by the number

The first and second network inputs 13 and 14 are the inputs of the device, and the outputs are the outputs 15 and 16. Moreover, the connection: input 14-output 16 to the device is included conditionally.

In FIG. 2 presents the principle of constructing a mechanism for transmitting a switching effect on a reed switch. A reed switch 1 (end view), the first permanent magnet 1b and the axis 1y of the movable arm 20, on which the second permanent magnet 21 and the cord 2 are attached, to the lower end of which a light plummet 23 is attached, are attached to the bracket 17. Permanent magnets are mounted by the same poles towards each other to a friend.

Reed switch 1 is designed to give a command to turn on or off. The closed state of the reed switch 1 corresponds to the command. The presence of reed switch 1, generally speaking, is not important. It simply has enormous wear resistance when switching low-current circuits. Instead, you can use ordinary low-current contacts, mounted on an arm and closed by a movable lever.

The on-off unit 2 is intended for: smoothing the bounce of the sealed contacts 1 when switching and issuing its on state to the on-off brightness setting unit 4, as well as for fixing the states of the switch: on or off. To smooth out bounce, an integrating circuit with an electronic driver (or inverter) at the output is used (see, for example, P. Horowitz, W. Hill. Art of Circuit Engineering, vol. 2, p. 194, M. Iz-in Mir, 1993). To fix on / off states, a conventional trigger with a counting input is used.

botk signal triggers. As the generator a, we can use the relaxation generator described in the cited above source T.1, p. Zi.

The luminescence brightness setting unit 4 is intended for generating a multi-bit code, the value of which corresponds to a moment in each half-cycle of the mains voltage, when a signal should be generated to start the executive switch unit 8. It is a multi-bit counter with a coincidence circuit at the counting input and reset input, which is connected to the output of the on-off trigger of block 2, the off state of which corresponds to the reset of the counter. As a coincidence circuit, a signal is supplied from the reed switch 1, cleared of bounce in block E, and the start signal of block 9.

The bit depth of the counter of block 4 is selected based on the desired number of brightness gradations (16 is practically enough) and the storage interval of this brightness gradation, which is necessary for the user to conveniently notice and fix it (0.5-1 s).

The current time block of the next half-period of the mains voltage 5 is intended for measuring with sufficient accuracy the time from the beginning of each half-period of the mains voltage. A multi-digit code is generated by it. In flea 5, the same counter can be used as in block 4, pulses from block 3 are sent to its counting input, and the signal of the starts of block 9 is sent to the reset input, and the reset state must correspond to the moment of change of sign sine wave mains voltage.

Comparison unit 6 is intended to compare the luminance code of the glow and the current time code in each half-period of the mains voltage. It can be executed as a standard comparison circuit (exclusive or included on the inputs of the circuit or) or an adder. The output of the comparison circuit is fed to the trigger input to fix the first comparison, which is reset by the start signal at the beginning of each half-cycle of the mains voltage.

The start-up start block 7 is intended for forming the duration and amplitude of the current for block 8 of the executive switch. The easiest way to use this unit is to use a delayed multivibrator with a transistor (or some other) output power amplifier. Block parameters are selected depending on the characteristics of the elements used as an executive switch.

The Executive switch unit 8 is the main element with which the mains voltage is supplied to the load (incandescent lamps) 1. The implementation of the unit 8 is determined by the switched power. It can be: thyristors, triacs, triac optocouplers and their combinations. For currents of 2-2.5 A, they use a triac optocoupler as a shaper to trigger a triac, providing switching of a given current.

The signal conditioning unit, starts 9, is designed to generate a pulse, tied to half-periods of the mains voltage. This signal, for example, has a zero state near a point in time corresponding to a change in the sign of the sinusoid of the mains voltage and a single state the rest of the time (or vice versa). The methods for generating such a signal are diverse. If the device has a high-frequency generator 3, as in our case, it can be formed on a D-trigger, to the D-input of which a signal (limited in amplitude) is supplied from the rectifier bridge, and to the synchronization input is a signal from a clock generator.

The power supply 10 is designed to generate power voltages for all elements of the circuit. The device does not impose special requirements on the power supply due to the features that are discussed below, so you can use any of the approaches described in the numerous literature on power supplies.

The initial installation unit 11 is intended to set the device to an off state when applying mains voltage to it. This is necessary so that during interruptions in power supply to exclude unwanted inclusion of lamps. A block is executed in the form of an integrable chain from the power rating with a shaper or inverter at the output (depending on the element base used).

It is advisable here to discuss the whole problem of powering the device. The fact is that in the existing wiring for ceiling switches (and in any wiring) in the places where the switch is installed, there is no pure supply voltage. One phase of the mains voltage is supplied to the switch, and the other phase is supplied to energy consumers (lamps in our case). The role of a conventional switch is to connect the phase of the mains voltage connected to it to a wire ending in lamps. Thus, the mains voltage is present at the poles of the switch only when it is not turned on. The principle is based on this.

- l supply the proposed device.

As can be seen in the diagram of FIG. 1, the actuator switch unit 8 is connected in parallel with the power supply unit 10 and, when turned on, it shunts the mains voltage at its inputs, which is supplied as a first phase from the network and a second phase through incandescent lamps.

The principle of power supply to the device is based on the fact that, using the time-controlled moment of turning on the energy to the lamps, part of the energy can be taken from the lamps to power the device. If the device is run on an elementary basis with low energy consumption (based on complementary alkaline structures), then the current consumed by the device will not exceed 0.5-0.6 mA, which allows the power supply to be implemented in the form of a simple bridge circuit with damping of excess voltage across the resistors and at the same time the power consumed by the device will not exceed 1% of the rated power of the switched-on lamps, and O.15-0, g W in standby mode.

Structurally, the device is made in the form of a printed circuit board, installed through an insulator on a metal base, which is attached to the wall under the ceiling. The power circuit switching unit and the transmission mechanism of the switching effect (via a traditional cord) are attached to the same base as a bracket.

Note. On the same bracket, it is possible to mount a cooling radiator for the executive switch, if necessary.

The findings of the reed switch 1 are connected to the inputs of the on-off unit S, the reset input of which is connected to the output of the initial installation unit 11, the trigger output of the on-off unit S is connected to the reset input of the luminance brightness setting unit 4 and to the lock input of the on-start trigger unit 7, the start input which is connected to the output of the comparison unit 6, and the output is connected to the control input of the executive switch unit 8, the first and control inputs of the glow brightness setting unit 4 are connected respectively to the output of the bounce smoothing circuit the contacts of the on-off block S and with the output of the start signal of the start signal generating unit 9, with inputs c6poc i of the current 5 bloc 5 and the comparison unit 6, the first and second output groups of which are connected respectively to the group of outputs of the block

- 6 4 setting the brightness of the glow and the group of outputs of unit b of the current time, the counting input of which is connected to the output of the generator 3 and to the clock input of the start signal generating unit 9, the first signal input of which is connected to the first input of the power supply unit 10, the output of the executive transfer unit 8 and the first output 15 of the device, the signal input of the unit 8 and the executive lanyard is connected to the second signal input of the start signal generating unit 9, the second input of the power supply 10, and to the first network input 13 of the device th input network 14 is a second output 16 of the network device to connect the load 1, the device operates as follows.

By pulling the cord 2S, the mutual repulsion of the magnets 18 and 21 is overcome and the contacts of the reed switch 1 are closed, as a result of which one of two possible commands is sent to the corresponding inputs of the unit: the IS lamp was turned on to turn off; to turn on and to set the desired brightness if the IS lamp was turned off. In this case, the trigger of block S goes into the opposite state. Moreover, by the shutdown command from the trigger output of block S through the reset input of block 4, the counter located in it is zeroed, which corresponds to the minimum brightness of the IS lamp (recommended about 10% of the nominal and 4-digit counter),

By the power-on command, until the contacts of the garcon 1 are closed (the user continues to pull the SS cord), the number code in the counter of the Blors 4 increases, which corresponds to an increase in the brightness of the IS lamp, At the same time, permission signals are sent to the matching circuit on the counting input of the block 4 counter from the corresponding output of block S and starts from the corresponding output of block 9. When the desired brightness is reached, the user releases the lace SS, magnets 18 and S1 push open the contacts of the reed switch 1 and repose on the counter of block 4 code for the required brightness of the IS lamp.

The timing of the generation of the start signal of block 9 is carried out by the generator 3, from the output of which high-frequency pulses are fed to the clock input of block 9, which provides the generation of pulses tied to half-periods of the mains voltage.

5. Based on a comparison signal from the output of block 6, in block 7, a signal of a given duration and current amplitude is blinked for block 8 of the executive switch, by means of which the mains voltage from inputs 13 and 14 is supplied to the IS lamp through the outputs 15 and 16 of the device,

To turn off the IS ISLP, you need to pull the lace one more time, as a result of which a shutdown signal will be generated at the trigger output of block S, which will reset the counter of block 4.

 about A.A., A.M., A.S., and.I. Boykevich Boykevich Kolyada, brawl .irj.jri J-1.1-1

Claims (1)

An electronic ceiling switch with adjustable brightness of the glow of incandescent lamps, containing a movable lever, its axis, contacts and a permanent magnet, characterized in that it also contains a bracket, a second permanent magnet, an on-off unit, a generator, a unit for setting the brightness of the glow, a current time unit , a comparison unit, a start-up start block, an executive switch block, a start signal generation block, a power supply and an initial installation block, moreover, sealed contacts are used as contacts (g rcon), which, together with the first permanent magnet and the axis of the movable lever, are fixed on the bracket, the second permanent magnet is fixed on the movable lever, the terminals of the reed switch are connected to the inputs of the on-off unit, which is a circuit for smoothing contact bounce and an on-off trigger, the counting input of which connected to the output of the chattering smoothing circuit, and the reset input of which through the same input of the on-off unit is connected to the output of the initial installation unit, the trigger output of the on-off unit of the soy inen with the reset input of the luminance brightness setting unit and the lock input of the on-start trigger unit, the start input of which is connected to the output of the comparison unit and the output is connected to the control input of the executive switch unit, the first and second control inputs of the luminance brightness setting unit are connected respectively to the output of the smoothing circuit contact bounce of the on-off unit and with the output of the start signal of the start signal generation unit, with the reset inputs of the current time unit and the comparison unit, the first and second groups The inputs of which are connected respectively to the group of outputs of the luminance brightness setting unit and the group of outputs of the current time unit, the counting input of which is connected to the generator output and to the clock input of the triggering signal generating unit, the first signal input of which is connected to the first input of the power supply, the output of the executive switch unit and with the first output of the device for connecting the load, the signal input of the Executive switch unit is connected to the second signal input of the start signal generating unit the second input of the power supply and with the first network input of the device, the second network input is the second output of the device for connecting the load.