A kind of power device of intelligent switch control
Technical field
The utility model relates to a kind of in civil power usefulness electrical domain, can realize the controllable and energy saving electricity consumption new technology of intelligent switch control, especially a kind ofly be expected to controllable lighting new technology penetration and promotion, that can realize zero quiet consumption, energy-saving in the Novel LED light source lighting technical field.
Background technology
At present, in public places such as corridor, park, garden, lavatory, station, road and family floor light field, for using electricity wisely, regular meeting uses intelligent switch control illuminating lamp or light switches such as various acoustic controls, light-operated, human body induction control or acousto-optic control; In various Security alerts, burglar alarm, monitoring supervisory systems,, also often can use various intelligent power switches in electricity consumption places such as Industry Control, household electricity, farm management and the energy-conservation electricity consumptions in public place, city.Existing intelligent control switch or switching device, otherwise control circuit is very complicated, otherwise poor work stability, perhaps manufacturing cost height, be not suitable in various simple and easy electricity consumption products, applying, particularly in existing intelligent switch control illuminating product, generally adopt the intelligent control switch of forming by IGCT, this automatic control switch can only be used for controlling incandescent lamp, because the circuit complexity of power saving fluorescent lamp and LED lamp, operating current is little, reasons such as the serious and non-pure resistance load characteristic of electronic interferences, make that the automatic control switch circuit is very complicated and control characteristic is difficult stable, in addition, power saving fluorescent lamp is implemented frequent shortened the service life of lamp greatly, therefore, throw light at automatic control switch, corridor lighting aspect particularly, though can reach certain energy-conservation purpose by intelligent switch control, owing to have to adopt the extremely low incandescent lamp of light efficiency, intelligent control switch itself also has the quiescent dissipation about 0.8W in addition, and its actual energy-saving effect is unsatisfactory.
Because the utmost point of incandescent lamp own is not energy-conservation, though power saving fluorescent lamp is than incandescent lamp luminous efficiency height, but its switch tolerance performance extreme difference, so, at intelligent switch control lighting field, best light source is a led light source, LED is as the lighting source of a new generation with solid luminescent, have that volume is little, in light weight, light efficiency is high, mechanical strength is big, safe and reliable, life-span length, applying flexible, switch tolerance performance are good, be convenient to plurality of advantages such as management control, have the absolute predominance replacement and replace traditional incandescent lamp and power saving fluorescent lamp.
Current, how to realize the zero quiet consumption of intelligent switch control power device being that multiple consumer and device, particularly LED lighting device provide stable, reliable and energy-conservation intelligent switch control technology, be the target that industry is pursued always.
The utility model content
The purpose of this utility model provides a kind of simple in structure, with low cost, good reliability, environmental protection and energy saving, the practical intelligent switch control power device applicable to multiple electrical appliance or power circuit, particularly provide a kind of energy-saving intelligent switch control device of realizing zero quiet consumption of the LED of being applicable to lighting, to replace the various intelligent lighting gauge taps that only can control incandescent lamp at present.
The utility model quasi-solution following technical barrier of determining:
1, effectively solves the technical barrier of intelligent switch control circuit stability and interference free performance;
2, effectively solve intelligent switch control technology technical barrier out of control under critical sensed conditions;
3, effectively reduce the stand-by power consumption of intelligent switch control circuit;
4, effectively utilize the stand-by power consumption of intelligent switch control circuit, to realize the twin-stage brightness intelligent switch control of LED lighting device.
The basic technical scheme that the utility model provides is:
A kind of power device of intelligent switch control is provided, comprises electricity consumption loop and Based Intelligent Control loop, described electricity consumption loop is composed in series by main power circuit, electrical appliance circuit and gate-controlled switch circuit; The output cathode of described main power circuit is connected with the electrical appliance circuit input end, negative pole be connected publicly; The electrical appliance circuit output end is connected with the gate-controlled switch circuit input end; The output of gate-controlled switch circuit be connected publicly; Described Based Intelligent Control loop comprises the ON-OFF control circuit of mutual electrical connection, provides the feed circuit of power supply, one or at least two flyback control circuits for ON-OFF control circuit.
A kind of concrete scheme is, the input of described feed circuit is connected with the electricity consumption loop, the anodal connection of power supply input of output and ON-OFF control circuit; Described ON-OFF control circuit power cathode be connected publicly, output is connected with the control end of gate-controlled switch circuit; The input of the first flyback control circuit is connected with the electricity consumption loop, or the described first flyback control circuit is connected in the electricity consumption loop, and its control output end is connected with ON-OFF control circuit.
Second kind of concrete scheme be, the control input end of described feed circuit is connected with the electricity consumption loop, the anodal connection of power supply input of output and ON-OFF control circuit; Described ON-OFF control circuit power cathode be connected publicly, output is connected with the control end of gate-controlled switch circuit; The second flyback control circuit input is connected with the electricity consumption loop, or the described second flyback control circuit is connected in the electricity consumption loop, and its control output end is connected with feed circuit.
The third concrete scheme is, the control input end of described feed circuit is connected with the electricity consumption loop, the anodal connection of power supply input of output and ON-OFF control circuit; Described ON-OFF control circuit power cathode be connected publicly, output is connected with the control end of gate-controlled switch circuit; The first flyback control circuit input is connected with the electricity consumption loop, or the described first flyback control circuit is connected in the electricity consumption loop, and its control output end is connected with ON-OFF control circuit; The second flyback control circuit input is connected with the electricity consumption loop, or the described second flyback control circuit is connected in the electricity consumption loop, and its control output end is connected with feed circuit.
In the above-mentioned concrete scheme, described feed circuit is the combination of any one or any several inductive control circuits in photosensitive, sound, human body, infrared, microwave, radio, flue dust, temperature-sensitive or the air-sensitive inductive control circuit.Described flyback control circuit is positive feedback, negative-feedback, voltage stabilizing or constant current control loop; Or be connected on the electrical connection of inductance being used to control sampling in the electricity consumption loop or resistance or at least two inductance and resistance.
A kind of preferred scheme is that in the above-mentioned concrete scheme, described electrical appliance circuit adopts incandescent lighting circuit, power saving fluorescent lamp lighting circuit or LED lighting circuit.
The most brief a kind of implementation method of this preferred version is, described flyback control circuit is a light controlling device, its control light source is taken from the light that the electrical appliance circuit is sent, its photosensitive receiving element is the light-sensitive element in the gate-controlled switch circuit, and the light-sensitive element in the gate-controlled switch circuit receives the light that the electrical appliance circuit is sent.
The beneficial effect of above technical scheme is: the technical scheme that a kind of Simple and Reliable intelligent switch control electricity consumption is provided, by adopting gate-controlled switch circuit near-earth to be provided with and the flyback control technology, effectively solve intelligent switch control circuit circuit complexity, stability and interference free performance difference and technical barrier out of control under critical sensed conditions; And draw the power supply of ON-OFF control circuit from the electrical appliance circuit output end, in addition switching information flyback control, reduce the stand-by power consumption of intelligent switch control circuit, realize standby zero quiet consumption, and effectively improve the job stability and the reliability of this zero quiet consumption intelligent switch control.
Above technical scheme beneficial effect more is: can realize the intelligent switch control to this non-pure resistance of similar LED circuit for lamp and little operating current electrical appliance, and realization zero quiet consumption standby, only can control incandescent lamp in the market to replace, the quiet consumption of standby reaches IGCT Energy Saving Control switch and some baroque relay control switch of 0.5-1W, realize the twin-stage brightness intelligent switch control of LED lighting device, efficiently solve present intelligent switch control illumination and can only be applied to incandescent lamp, and be difficult for being applied to the technical barrier of energy-conservation fluorescent lamp and LED lamp, thereby make luminous efficiency low, life-span, short incandescent lamp can withdraw from the illumination arena of history fully.
Description of drawings
Fig. 1 is that the input of the first flyback control circuit is connected with the electricity consumption loop in first kind of concrete scheme of the utility model, and the circuit that the control output end is connected with ON-OFF control circuit is formed schematic block diagram;
Fig. 2 is in second kind of concrete scheme of the utility model, and the described second flyback control circuit is sample resistance or the inductance that is connected in the electricity consumption loop, and the circuit that its control output end is connected with feed circuit is formed schematic block diagram;
Fig. 3 is in first kind of concrete scheme of the utility model, and the described first flyback control circuit is sample resistance or the inductance that is connected in the electricity consumption loop, and the circuit that its control output end is connected with ON-OFF control circuit is formed schematic block diagram;
Fig. 4 is in the third concrete scheme of the utility model, and the first flyback control circuit input is connected with the electricity consumption loop, and its control output end is connected with ON-OFF control circuit; The second flyback control circuit input is connected with the electricity consumption loop, and the circuit that its control output end is connected with feed circuit is formed schematic block diagram;
Fig. 5 is in the third concrete scheme of the utility model, the described first flyback control circuit is sample resistance or the inductance that is connected in the electricity consumption loop, its control output end is connected with ON-OFF control circuit, the described second flyback control circuit is sample resistance or the inductance that is connected in the electricity consumption loop, and the circuit that its control output end is connected with feed circuit is formed schematic block diagram;
Fig. 6 is the preferred LED sound and light controlled delay switch lighting device embodiment circuit theory diagrams with the most brief light-operated flyback control circuit of the utility model;
Fig. 7 is the preferred light-operated lighting device embodiment of the LED circuit theory diagrams that can effectively eliminate unstable state of a control under the critical illumination sensed conditions of the utility model;
Fig. 8 is the preferred LED sound and light controlled delay switch lighting device embodiment circuit theory diagrams that can realize zero quiet consumption standby and the control of twin-stage brightness intelligent switch of the utility model;
The component names of figure notation representative is as follows in the accompanying drawing:
01---main power circuit
02---the electrical appliance circuit
03---the gate-controlled switch circuit
04---feed circuit
05---ON-OFF control circuit
06---the flyback control circuit
The flyback control circuit embodiment of 06a---gauge tap control circuit
06b---the embodiment of the flyback control circuit of control feed circuit
The specific embodiment
For the ease of it will be appreciated by those skilled in the art that the utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
Fig. 1-5 is the concrete connectivity scenario schematic diagrames of 5 kinds on the utility model basic technical scheme basis, can directly draw in conjunction with aforementioned content part and description of drawings, is not giving unnecessary details at this.
Embodiment 1:
Fig. 6 is the preferred LED sound and light controlled delay switch lighting device embodiment circuit theory diagrams with the most brief light-operated flyback control circuit of the utility model.
In Fig. 6, the main power circuit in mark 01 square frame is a simple common capacitance decompression and bridge rectifier and capacitor filter.Electrical appliance circuit in mark 02 square frame is a series LED lighting circuit, and according to the brightness needs, this device can be composed in parallel by a plurality of this series LED lighting circuits.ON-OFF control circuit in mark 05 square frame is a conventional acoustic photocontrol delay switch circuit.R41 and VD41 are composed in series feed circuit, and the one end connects the main power circuit output, and the other end (VD41 negative pole) connects the positive source of sound light control circuit; Triode VT31 forms the gate-controlled switch circuit, is switched on or switched off the electricity consumption loop under the control of sound light control circuit, lights or close the LED illuminating lamp.This triode can directly replace with controllable silicon, or the relay that continues is finished switch control.
In Fig. 6, method by the light-sensitive element RG51 in the light direct irradiation sound light control circuit that the LED lighting circuit is sent, to realize flyback control function, make the flyback control circuit among this embodiment rely on the propagation of light to be able to ingenious realization without any need for special-purpose components and parts, its operation principle is, when lighting circuit is lighted by acoustic control, light-sensitive element RG51 is because of receiving illumination light resistance decreasing, supply voltage makes the VT51 conducting by RG51 and R56, make sound control signal branch road bonding, and then make follow-up delay control circuit not disturbed by acoustic control, finish the time-delay process smoothly, and gauge tap triode VT31 automatic cut-off, close lighting circuit.After this, RG51 is not because of there being the light irradiation, and resistance increases, and VT51 ends, and the sound control signal branch road recovers unimpeded state.
Embodiment 2:
Fig. 7 is the preferred light-operated lighting device embodiment of the LED circuit theory diagrams that can effectively eliminate unstable state of a control under the critical illumination sensed conditions of the utility model.In Fig. 6, the circuit in mark 01 and 02 square frame is described the same with embodiment 1; ON-OFF control circuit in mark 05 square frame is a simple and easy light-operated circuit, in this circuit, capacitor C 51 and and Zener diode VS51 play the effect of power supply filtering voltage regulation.VT51 and RG51, R51, R52, R53, C52 form photosensitive control circuit, and its control output connects the base stage of gate-controlled switch circuit VT31 through R53; R41 is a feed circuit, for photosensitive control circuit provides power supply; R61 is the first flyback control circuit, is connected in the electricity consumption loop, for VT51 provides positive feedback.Its operation principle is, when night light deepening, it is big that light-sensitive element RG51 resistance becomes, VT51 is tending towards ending, and VT31 is tending towards conducting, and the voltage drop on the R61 is tending towards rising, thereby the bias voltage on the VT51 base stage is reduced rapidly, VT51 ends rapidly, and the rapid conducting of VT31 is lighted lighting circuit fast; Otherwise, when daytime, light brightened, light-sensitive element RG51 resistance decreasing, VT51 is tending towards conducting, VT31 is tending towards ending, and the voltage drop on the R61 is tending towards reducing, thereby the bias voltage on the VT51 base stage is increased rapidly, the rapid conducting of VT51, VT31 ends rapidly, and lighting circuit is disconnected fast.Above positive feedback process can effectively be eliminated the unstable state of a control of light-operated circuit under critical illumination condition, and it is fast agile that switch is switched.
Embodiment 3:
Fig. 8 is the preferred LED sound and light controlled delay switch lighting device embodiment circuit theory diagrams that can realize the intelligent switch control of zero quiet consumption standby and twin-stage brightness of the utility model.
In Fig. 8, the circuit in mark 01 and 02 square frame is described the same with embodiment 1; ON-OFF control circuit in mark 05 square frame is a conventional acoustic controlled delay switch control circuit; The gate-controlled switch circuit is made up of VT31; Resistance R 61, R63 and triode VT61 form the first flyback control circuit, its operation principle is, when lighting circuit is lighted, resistance R 61 forms voltage because of the VT31 conducting, and makes the VT61 conducting by R63, makes sound control signal branch road bonding, thereby make follow-up delay control circuit not disturbed by acoustic control, finish the time-delay process smoothly, and gauge tap triode VT31 automatic cut-off, close lighting circuit; At this moment, the voltage on the resistance R 61 is zero, and VT61 ends, and the sound control signal branch road recovers unimpeded state.
Resistance R 41, R42 and light-sensitive element RG41, capacitor C 41 and triode VT41 form the feed circuit with light control functionality, its operation principle is, provide controllable electric power by light-sensitive element RG41 control triode VT41 conducting with ending to come for ON-OFF control circuit, because the R41 resistance can be provided with very big (more than the 1M Ω), bright state by day, RG41 resistance is very little, the VT41 base stage does not have conducting voltage, VT41 and VT31 all end, the ON-OFF control circuit power supply almost disconnects, whole power device power consumption has only about 0.05W, the quiet consumption of near-zero.In addition, the colelctor electrode of VT41 is connected to the output of LED lighting circuit through R42, there is not bright state in darkness, RG41 resistance increases, the VT41 conducting, the main power circuit output voltage provides power supply through LED lighting circuit and R42 for ON-OFF control circuit, utilize the static power consumption electric current of ON-OFF control circuit, the LED lighting circuit is lighted slightly, in night, play the floor light effect, when sound is controlled, acoustic control time-delay switch control circuit control VT31 conducting, the LED lighting circuit is normally lighted, and reaches the normal illumination purpose.
R62 is the second flyback control circuit, and its effect is that when the VT31 conducting, on the one hand, R62 provides basic operating voltage by feed circuit for ON-OFF control circuit because of the pressure drop that the conducting of electricity consumption loop forms; On the other hand, obtain suitable pressure drop,, make the sound control branch road of front end be in low multiplication factor duty and be unlikely to disturb the delay working process again, realize reliably control to guarantee the to keep VT52 delay working by selecting R62 resistance size.
Therefore, the intelligent switch control power device that this embodiment showed, can realize zero quiet consumption standby and the control of twin-stage brightness intelligent switch, and the traditional intelligence gauge tap can not be realized the twin-stage brilliance control, and have the static power consumption of 0.5-0.8W to waste all the time.
Need to prove that protection domain of the present utility model is not limited to described embodiment, do not breaking away under the utility model design concept prerequisite that the small change on any conspicuous replacement or the circuit all belongs within the utility model protection domain.