CN2852596Y - Intelligent lighting energy-saving control device - Google Patents
Intelligent lighting energy-saving control device Download PDFInfo
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- CN2852596Y CN2852596Y CN 200520139604 CN200520139604U CN2852596Y CN 2852596 Y CN2852596 Y CN 2852596Y CN 200520139604 CN200520139604 CN 200520139604 CN 200520139604 U CN200520139604 U CN 200520139604U CN 2852596 Y CN2852596 Y CN 2852596Y
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Abstract
The utility model relates to an intelligent lighting energy-saving control device. Under the arrangement of an SCM which comprises control softwares, temporal voltage and current of lighting load detected by a sampling circuit are compared with set values to determine whether the current voltage or current is normal or not. When the voltage or the current is normal, corresponding gear of the current voltage is calculated and the voltage or the current zero of the lighting load is accurately detected. Triggering signals of the corresponding gear are given at the zero point, corresponding switch of a non-contact switch set is triggered by an output driving circuit to be switched on, and a plurality of corresponding gears for the output voltage of a transformer are mutually converted. Meanwhile, the SCM also measures and calculates temperature in the device and compares the temperature with a set temperature protection value. When parameters such as voltage, current, temperature, etc. are abnormal, the SCM sends out corresponding failure indication signals and alarm and output or an output bypass is automatically cut. When the device is switched on, various operational parameters can be remotely checked or set again through a communication interface module or a network.
Description
Technical field
The utility model relates to illumination control, especially relates to a kind of intelligent lighting energy-saving control device that is used for public illumination control, belongs to lighting energy saving control technology field.
Background technology
The lighting energy saving product mainly contains controllable silicon (SCR) phase control products, electromagnetic transformers product at present.SCR phase control products originates from the beginning of the nineties, mainly is the controllable silicon SCR phase control techniques production of the reference and the imitated U.S., Japan.The lighting electricity saving device of single lamp control adopts distributed installation, and ruuning situation is good aspect commercial and city illumination, and centralized control formula SCR product, because office loading problems such as harmonic problem, capacitive load problem, computer are very easy to damage in illumination, thereby are difficult to promote; To the electromagnetic type product, there is growth trend in this 2 years markets, and fixedly step-down, many grades of performance of handoffs are stablized, and certain sales volume is arranged, and are the current major products that comes into the market to replace the SCR electricity-saving appliance.But the shortcoming that also has many electric and control aspects.Some company is also making great efforts to improve these shortcomings, and technical scheme solves, but fails to succeed by the actual field test run.Other energy-conserving product does not have the foundation of " meritorious economize on electricity " in theory as " system power saver ", " capacitive compensator ".
The principle of lighting energy saving is because high-intensity gas discharge lamp (HID) is a nonlinear load, when input voltage is higher, by reducing voltage or electric current, the HID lamp is moved not being higher than under the rated voltage, both can prolong the life-span of light fixture, also can be energy-conservation, if work being lower than under the rated voltage, its brightness has reduction slightly, but energy-saving effect is fairly obvious.But, just can not light when being lower than 200V for using more high-pressure sodium lamp on the street lamp, especially near aging HID lamp,, will cause the shakiness of fluorescent tube electric arc and extinguish (some lamp extinguish then will cool off nearly 10 minutes ability light once more) the cut-out of electric current and the sudden change of tiny voltage.
The subject matter of electromagnetism class lighting energy saving product is at present:
One, can only be used for single lamp control, as ZL200430021413, adopt crosstalk sense step-down to carry out energy-conservation, scheme is feasible when controlling for single lamp, if but be used for many lamps centralized control, because the quantity of the lighting that each device is controlled is uncertain, kind is uncertain, can cause the inductance step-down very little or step-down too many, can not control the illumination of road; For central controlled, most for adopting transformer to adjust as voltage, but can not when being with the HID lamp load, dynamically carry out gear switch according to the variation of input voltage, in case switch, be not that to burn out controllable silicon be exactly that lamp extinguishes, thereby can only be static stall output, or pass through hand shift, though what have has used intelligent chip, also can only be when start, to detect voltage automatic switchover gear, and during energising band HID lamp load, can not carry out gear switch.Fixedly step-down can't be intelligent and people-oriented, and illumination is uncontrollable, and (peak of power consumption voltage the is low) brightness of the dusk of flow of the people maximum is minimum often, and after midnight (low power consumption voltage height) nobody the time lamplight brightness maximum on the contrary.Can not be with the HID lamp dynamically to switch, fractional energy savings just can not be done height, because the HID lamp all is a nonlinear load, usually come the life-span energy-conservation and the prolongation light fixture to reduce voltage or electric current, if but the output voltage after the gear switch is lower, just can cause the HID lamp to extinguish, and can not under low-voltage, restart.The reason that can not dynamically switch with the HID lamp is that testing circuit exists design problem, or the output voltage electric current is not detected effectively, and particularly the dead-center position to electric current and voltage detects inaccurate.
They are two years old, contrast bright parameter request difference different environment, different time or different personnel, and the energy-saving equipment that has remote control function at present can only be split turn-off or input voltage etc. and monitors, and can not the parameter of illumination be monitored, more can not these parameter illuminations of long-range change.
Summary of the invention
Main purpose of the present utility model is that many lamps centralized control can not be with the dynamic technical problem of switching of high-intensity gas discharge lamp in the current electromagnetic technique of solution, guarantee that the HID lamp does not extinguish when the voltage gear switch, and improve maximum fractional energy savings, fully prolong the useful life of light fixture.According to the various special circumstances of lighting energy saving, give full play to the effect of intelligent artifact simultaneously, various running parameters all can be checked easily or reset by computer serial ports or network remote, to adapt to different Anywhere environment or different personnel's hobby.
The purpose of this utility model is achieved in that the intelligent lighting energy-saving control device, it is characterized in that with the single-chip microcomputer that contains Control Software be core, under the scheduling of Control Software, to comparing by the voltage and current at that time of the detected lighting load of sample circuit and the electric current and voltage value of setting, determine that current voltage or electric current are normally or unusual, if belong to normal, then calculate the gear that current voltage should be located, and accurately detect the voltage or the current zero of lighting load, the place provides the triggering signal of corresponding gear at zero point, trigger corresponding switch conduction in the noncontacting switch group through output driving circuit, in a plurality of respective notch of transformer output voltage setting, switch; Simultaneously; single-chip microcomputer is also measured and is calculated the device temperature inside; and compare with the temperature protection value of setting; if abnormal parameters such as voltage, electric current, temperature; then single-chip microcomputer sends corresponding fault indication signal, alarm; automatically cut off output and maybe will export bypass, under the situation that device powers up, various running parameters can be checked or reset by communication interface module or network remote.
The intelligent lighting energy-saving control device is characterized in that comprising following hardware circuit:
Automatic control switch module: include longitude and latitude parameter time switch, regular tap, photosensitive switch, select one or combination as required, also be provided with in the module and the supporting high-power switch device of above-mentioned switch;
Transformer: the secondary a plurality of voltages output gears that are provided with;
AC/DC module: include Switching Power Supply, linear stabilized power supply;
Intelligent object: include A/D convertor circuit and single-chip microcomputer;
Input module: include manual bypass switch and protective circuit;
Output driver module: include photoelectricity and isolate and amplifying circuit;
Noncontacting switch group: include and the corresponding a plurality of noncontacting switches of transformer voltage output gear number;
Sampling module: include the electric current and voltage sample circuit, comprise that the linear transformation of alternating voltage electric current is the circuit and the alternating voltage current zero testing circuit of direct current;
Indicating module, communication interface module;
Annexation: illuminalive power-supply connects the automatic control switch module, its output connects transformer and AC/DC module respectively, many grades of outputs of transformer are exported through the noncontacting switch group, one the tunnel connects lighting load, another road is connected to single-chip microcomputer through sampling module, single-chip microcomputer output is connected to the noncontacting switch group through the output driver module, single-chip microcomputer output also connects indicating module, the output of input module is connected to single-chip microcomputer, the two-way connection between communication interface module and the single-chip microcomputer, the AC/DC module is output as hardware circuit DC power supply is provided, above hardware and the intelligent lighting energy-saving control device that connects and composes thereof be arranged at single-phase or three-phase illuminalive power-supply circuit in, three groups of hardware circuits of three-phase illuminalive power-supply all with single-phase be provided with identical.
Voltage sampling circuit in the above-mentioned sampling module, comprise that the alternating voltage linear transformation is that the circuit and the alternating voltage zero-detection circuit of direct current can be connected automatic control switch module output.
The course of work of the present utility model and principle: the civil power of input is added on the transformer through control switch (as containing the time switch of longitude and latitude parameter or regular tap, photosensitive switch), is added to simultaneously on the AC/DC module.Transformer carries out the electromagnetic energy conversion, and different gears has different output voltages.The AC/DC module becomes direct current with civil power, for device provides direct-current working volts.The intelligent object that contains A/D convertor circuit is the core of this device, the one, carry out the operating state conversion according to the signal of input module; The 2nd, receive instruction that communication interface module sends and carry out corresponding operation (as changing current working state, running parameter or running parameter being sent); The 3rd, according to sampled signal carry out AD conversion and with the parameter that calculates relatively, determine the corresponding work gear, provide switching signal at point of zero voltage or current zero, send into drive circuit; The 4th, digital quantity after the AD conversion and voltage protection parameter, current protection parameter or the temperature protection value that the user sets are compared, provide relevant operating state indication or sound alarm, and carry out corresponding protection and operate.Output driving circuit is that the switching signal of intelligent object output is carried out electrical isolation and amplification, drives the gear (the HID lamp can not extinguish when switching with assurance) that the noncontacting switch group switches to regulation.
Intelligent object is under the scheduling of Control Software; analog signals is converted to digital quantity; calculate the digital quantity of detected voltage and current at that time; compare with the electric current and voltage value of setting; determine that current voltage or electric current are normally or unusual; if belong to normal; then calculate the gear that current voltage should be located; and in that accurately detected voltage or current zero place provide the triggering signal of corresponding gear; trigger corresponding switch conduction in the noncontacting switch group through the output driver module, thereby finish gear switch.Simultaneously, single-chip microcomputer is measured and is calculated the temperature in installing by the interior temperature sensor of establishing, and compares with the temperature value of setting.If parameters such as voltage, electric current, temperature are undesired, then single-chip microcomputer sends corresponding fault indication signal, and the buzzer alarm is cut off output automatically and maybe will be exported bypass.
Input module comprises energy-conservation (or turning on light) switch terminal and artificial by-pass switch provide corresponding working signal to intelligent object respectively by photoelectric isolating circuit.
Single-chip microcomputer has constituted and can dynamically switch the intelligent lighting energy-saving control device that running parameter gear, various all can conveniently be checked or set by bringing onto load under the scheduling of above-mentioned interlock circuit and software.
The intelligent lighting energy-saving control device both can be single-phase, also can be three-phase.Three-phase circuit has three groups of essentially identical single phase circuits of structure, and three-phase is independently controlled, to guarantee when threephase load is serious uneven still operate as normal independently of system.
Advantage of the present utility model and effect:
(1) adopts electromagnetic technique, do not contain phased regulating circuit, and use noncontacting switch to switch gear at zero point, thereby do not produce any high order harmonic component; Contain transformer and high-power pressure-sensitive protective resistance in the circuit simultaneously, thereby help to suppress higher Harmonics in Electric Power Network and surge voltage, belong to typical environment-friendly type energy-saving product; Three-phase adopts independent regulation, can export stable operating voltage by balanced three-phase voltage; Function with voltage stabilizing step-down can be improved the power factor of HID lamp load.
(2) adopt the control of automatic switch lamp.According to the longitude and latitude of different location, according to the Changing Pattern of earth rotation and revolution, utilize between the daybreak at dark of the automatic accurate Calculation of astronomical algorithm locality, revise turning on light and turning off the light the time of every day automatically, avoided trouble by artificial correction and switch lamp control.
(3) Xiang Guan running parameter can be checked intuitively by supporting application software.
(4) Energy Saving Control flexible setting for parameters.The running parameter such as minimum energy-conservation magnitude of voltage, overvoltage protection value, under voltage protection value, overcurrent protection value of maximum energy-conservation gear, each grade operating time, permission can be set flexibly and easily according to the actual needs of each place contrast degree.
(5) adopt dual intelligent power saving control technology, both can arbitrarily control energy-conservation level, can guarantee relatively stable illumination under line voltage fluctuates widely situation again by energy-conservation gear setting easily.Can also carry out special control (as tunnel illumination) to the product that uses under the specific environment according to user's needs.
(6) can not cut off the power supply and be with and adjust running parameters such as various voltages, electric current and time under the situation of HID lamp load.
(7) utilize communication interface module can carry out Long-distance Control, centralized control easily, can long-rangely check or the running parameter of configuration device.
(8) the pressure regulation gear adopts contactless switching, has solved the phenomenon that the heavy current impact that causes when having the contact to switch and instantaneous overvoltage or lamp extinguish, and the life-span of product and reliability are improved widely.
(9) has the automatic recognition function of automatic protection and bypass.
(10) but every phase independent regulation allows 100% unbalanced load.
(11) monitor every phase operating state at any time, in time take protection action or auto by pass, improved reliability of products and fail safe greatly.
(12) artificial bypass functionality: can be by manually by-pass switch control system bypass work on the panel.
(13) each has the audible and visual alarm indication mutually, is convenient to check fast operating state or maintenance.
(14) effectively prolong light fixture useful life, reduce maintenance cost widely, reduce maintenance load, belong to heavy duty detergent environment protecting and power-saving product.
(15) fractional energy savings is suitable for all gaseous discharge lamps: high-pressure mercury lamp, metal-halide lamp, high-pressure sodium lamp etc. up to 20%-60%.
(16) the utility model product can manufacture control cubicle, substitutes the old-fashioned illumination control cubicle in usefulness.
Description of drawings
Fig. 1 is the utility model electricity theory diagram;
Fig. 2 is the three-phase circuit elementary diagram;
Fig. 3 is a single-phase intelligent energy-saving control circuit schematic diagram;
Fig. 4 is the Switching Power Supply schematic diagram;
Fig. 5 is the linear voltage-stabilizing circuit schematic diagram;
Fig. 6 is an electric current and voltage sample circuit schematic diagram;
Fig. 7 is an electric current and voltage zero-detection circuit schematic diagram;
Fig. 8 is the photoelectric isolating circuit schematic diagram;
Fig. 9 is the single chip circuit schematic diagram;
Figure 10 drives and the regulating circuit schematic diagram for output;
Figure 11 is single-chip microcomputer pin function and label.
Embodiment
The utility model is described in further detail that (all hardware circuit is known technology below in conjunction with drawings and Examples, the control flow that provides according to present specification, the establishment Control Software, with each known hardware circuit combination, connection, those of ordinary skills can implement easily).
Referring to Fig. 1, civil power inserts automatic control switch (as the high power switch of longitude and latitude time switch control, present embodiment adopts high-power silicon controlled rectifier) after the switch lamp Group of Silicon Controlled Rectifier of transformer to the noncontacting switch group, which controllable silicon whether triggering and conducting is by the signal deciding of single-chip microcomputer output, the output of Group of Silicon Controlled Rectifier connects the output voltage current sample, the voltage and current signal of sampling provides detected electric current and voltage analog signals and alternating current zero crossing signal to single-chip microcomputer respectively, and single-chip microcomputer is converted to analog signals digital signal and determines according to this signal whether operating state is normal, output state index signal and gear switch are to which shelves.
Referring to Fig. 2; three-phase four-wire system voltage from L1, L2, L3 input; through protecting network BH, longitude and latitude time switch SK, intelligent power saving control circuit JNKZ (including transformer, AC/DC module, intelligent object, input module, output driver module, noncontacting switch group, sampling module, indicating module, communication interface module) and output switch ZK2, the ZK3 that input switch ZK1, current transformer H1, H2, H3, piezo-resistance form, whenever divide 2 tunnel outputs mutually.V1 is the input voltage table, and K1 is the input voltage selector switch, is used to select the voltage of A, B, C phase to indicate.H1, H2, H3 are respectively threephase current transformer, and A1, A2, A3 are respectively the three-phase current table.M1, M2, M3 are fan, be used for heat radiation, KT1, KT2, KT3 are three 45 ℃ of open type temperature switches, R1, R2, the current-limiting resistance when R3 is the fan low-speed running, when the temperature on the radiator was low, temperature switch disconnected, current-limiting resistance inserts the fan loop, when the temperature on the radiator is higher, the temperature switch closure, fan is full speed running just.PE is the protection ground wire of control cubicle.Intelligent power saving control circuit JNKZ wherein is a core of the present utility model, for the three-phase energy saving device for lighting, has three identical JNKZ, is described in detail as follows.
Referring to Fig. 3; high-power piezo-resistance RV1～RV4 is used to absorb the high voltage surge that enters circuit; the protection controllable silicon; the overcurrent protection that fast acting fuse F1～F5 is used for circuit reaches silicon controlled rectifier protecting; controllable silicon M0～M5 is as noncontacting switch; the on off operating mode of M0 is controlled by the longitude and latitude timed unit; after its conducting; transformer T and Regulation Control plate KZB (include the AC/DC module; intelligent object; input module; the output driver module; sampling module; indicating module; communication interface module) just; the break-make of the triggering signal control M1～M5 of Regulation Control plate output is therefrom selected a controllable silicon conducting, for load provides voltage.Current transformer T2 is used for the output current sampling, and switch S 1 is used for artificial bypass, when S1 connects, and the M1 conducting, M2～M4 disconnects, and this device is operated in the manual bypass state, and is not energy-conservation.S2 is used for switch lamp control or Energy Saving Control, is in this embodiment to be used for switch lamp control, is in closure state during operate as normal, and in the product of certain model, this switch is as Energy Saving Control, and when it was closed, device entered the energy conservation state.
Referring to Fig. 4, enter the CZ1 socket from the alternating voltage of Fig. 3 controllable silicon M0 output, through protective tube 1F1, thermistor NTC, filter circuit (1C1,1C2,1C3,1L1) be added on the filter capacitor 1C4 by rectifier bridge 1BR1, become Rectified alternating current, by intelligent switch device 1U1 (model is TOP221Y) and continuous transformer 1T2, diode 1D1,1D2, electric capacity 1C30,1C5, resistance 1R1 etc. form high frequency switch power, first via output wherein is through diode 1D3, electric capacity 1C6～1C8, inductance 1L2, become behind the rectifying and wave-filtering+the 12V direct voltage, again through integrated circuit 1U4 (model is LM7809) and electric capacity 1C, 9, the 1C10 voltage stabilizing is+the 9V direct current that light-emitting diode 1D9 is+indication of 9V power supply.The second tunnel output wherein is through diode 1D4, electric capacity 1C11,1C12, become behind the rectifying and wave-filtering-the 12V direct voltage, being-9V direct current through integrated circuit 1U5 (model is LM7909) and electric capacity 1C13,1C14 voltage stabilizing again, light-emitting diode 1D10 be-the 9V power supply indicates.Third Road output wherein provides working power for 1U1 through diode 1D8, electric capacity 1C27 behind the rectifying and wave-filtering.Photoelectrical coupler 1U2 (model is TLV817) and voltage stabilizing didoe 1D11, resistance 1R2,1R3, electric capacity 1C29 constitute voltage sampling and isolation feedback circuit, make Switching Power Supply the AC-input voltage of broadness change and load variations under can keep output voltage stabilization.
Referring to Fig. 5; + 9V input from Switching Power Supply (Fig. 3)+9V output; enter+5V pressurizer U1 (model is LM7805) behind protective resistance R18, warp+3V pressurizer U2 (model is LD1117S33C) output+3V voltage is the single chip circuit power supply by protective resistance R19 again.Capacitor C 3～C7, C9 among the figure all make filtering usefulness, and resistance R 2 and capacitor C 8 are for single-chip microcomputer provides reset signal, and it is the source of stable pressure of 2.5V that resistance R 1 and voltage stabilizing didoe D2 form the voltage stabilizing value, for the adc circuit in the single-chip microcomputer provides voltage reference.
Fig. 4, Fig. 5 belong to the AC/DC module, for this device provides stable dc supply.
Referring to Fig. 6, the 2nd, 4 pin of socket CZ2 link to each other with the output of M0 module among Fig. 3, through transformer T1 step-down, bleeder circuit by resistance R 31, R32 and potentiometer RP1 formation, for module U5 (model is V1-2C) the 5th pin provides the alternating voltage sampled signal, be transformed to direct voltage linearly by module U5, output to Vout in the single chip circuit (see figure 9) through R36.RP1 is the potentiometer of calibration sampled voltage.The 5th, 6 pin of socket CZ2 link to each other with the output of current transformer T2 among Fig. 3, bleeder circuit by resistance R 33, R34 and potentiometer RP2 formation, for module U5 the 14th pin provides the alternating current sampled signal, be transformed to direct voltage linearly by module U5, output to Iin in the single chip circuit (see figure 9) through R35.RP2 is the potentiometer of calibration sample rate current.U5 the 1st, 2 pin connect+the 9V power supply, the 3rd, 12 pin ground connection, and the 6th, 7 pin connect-the 9V power supply, and the 4th, 11,13 pin are empty pin, do not use.The 1st, 3 pin of socket CZ2 are empty pin, do not use.+ 9V ,-9V is all from the Switching Power Supply (see figure 4).
Referring to Fig. 7, voltage from Fig. 4 electric capacity 1C1 two ends is represented line voltage, enter photoelectrical coupler U9 (model is P521) from L1, N1 through current-limiting resistance R95, on resistance R 39, form pulse voltage by resistance R 96, place at zero point at line voltage becomes low level, and the place becomes high level in non-zero points, again by voltage comparator U4A shaping, send into monostable flipflop U6A and form alternating voltage zero signal DY0, as the point of zero voltage input signal of single-chip microcomputer.CZ2 the 6th pin from Fig. 6 links to each other with resistance R 60, the double limiting circuit of forming through R60 and diode D3, D4 is through voltage comparator U4B shaping, from U4 the 7th pin output current zero signal, through the signal DLO of resistance R 46 outputs, as the current zero input signal of single-chip microcomputer.The model of U4 is LM393N, and the model of U6 is CD74HC221E.
Fig. 6, Fig. 7 belong to sample circuit, are the important component parts that this device is guaranteed gear shift accurately and reliably under the HID lamp load.
Referring to Fig. 8, CZ3 is the switching signal input socket, the 1st pin sky, and the 2nd, 3 pin outsides are connected to the artificial by-pass switch S1 among Fig. 3,4th, 5 pin are connected to the switch lamp control switch S2 among Fig. 3, and this switch is always short-circuit condition when installing operate as normal in this embodiment.After photoelectrical coupler U21 (model is P521) and peripheral cell isolation and shaping, form the PLin signal from the artificial by-passing signal of CZ3 the 2nd pin input, send into the P0.2 pin of single-chip microcomputer.After photoelectrical coupler U22 (model is P521) and peripheral cell isolation and shaping, form the JN signal from the switch lamp signal of CZ3 the 4th pin input, send into the P0.7 pin of single-chip microcomputer.This partial circuit belongs to input module, is used for the anti-interference process to the signal of input.CZ4 is the PORT COM socket, and the 1st pin connects+the 5V power supply, and the 2nd, 3 pin are respectively received signal RXD and send signal TXD end, the 4th pin ground connection.The PORT COM port that to be this device carry out communication with outer computer or wireless transport module.After photoelectrical coupler U23 (model is P521) and peripheral cell isolation and shaping, form the RX signal from the RXD signal of CZ4 the 2nd pin input, send into the P0.5 pin of single-chip microcomputer.After photoelectrical coupler U24 (model is P521) and peripheral cell isolation and shaping, form the TX signal from the TXD signal of CZ4 the 3rd pin input, send into the P0.4 pin of single-chip microcomputer.This partial circuit belongs to communication interface module, is used for the anti-interference process to communication signal.+ 5V is from figure
5 linear stabilized power supplies+5V output, VDD links to each other with the VDD of Fig. 5 linear stabilized power supply.
Referring to Fig. 9, U3 is the high-performance single-chip microcomputer, belongs to intelligent object, and its inside is integrated with analog to digital conversion circuit (ADC) and four timers, and model is C8051F310, is the kernel control chip of this device, and its pin function and label are seen Figure 11.Jumper wire device JP1 limits maximum functional gear usefulness as being provided with in the present embodiment, and as the input signal of automatic time delay Energy Saving Control, when its short circuit, automatic time delay produces energy-conservation instruction in the product of certain model.Jumper wire device JP2 is quick Test Switchboard, and when its short circuit, program enters quick test pattern, so that whether detect the working procedure of single-chip microcomputer apace normal.Jumper wire device JP4 is used for the control board address setting, when 1,2,3 pin are all empty, represents A phase control board, when 2,3 pin short circuits, represents B phase control board, when 1,2 pin short circuits, represents C phase control board.CZ6 is that one-chip machine simulation and program are downloaded socket, links to each other with the simulator or the downloader of outside.D0～D7 is the pressure regulation gear control signal of single-chip microcomputer output, and in the present embodiment, D0～D4 is corresponding respectively continuous with D0～D4 of Figure 10, and D5～D7 does not use.Light-emitting diode 0V indicates usefulness as overvoltage, the mains supply over-voltage of luminous representative input.Light-emitting diode UV indicates usefulness as under voltage, and the civil power of luminous representative input is under-voltage.Light-emitting diode GL indicates usefulness as overcurrent, and luminous representative load current surpasses set point.Light-emitting diode JN is as energy conservation state indication usefulness, and luminous representative device is operated in power save mode.Light-emitting diode XP is as slow ramp signal indication usefulness, and on behalf of device, flicker be operated in slow slope pressure regulation process at a slow speed, and this indicator light fast blink represents load very light or unloaded.LED P L indicates usefulness as bypass, and luminous this device of representative is operated in bypass condition, and this state is produced by artificial bypass or auto by pass, and when fuse blows, when conditions such as input voltage is under-voltage, excess temperature are set up, device can enter the auto by pass state.LED P WR uses as the output indication, luminous representative loaded work piece is normal, when this light-emitting diode extinguishes, indication device is output voltage not, generally be to have closed output because single-chip microcomputer detects the too high or load current of input voltage after excessive, this moment, corresponding overvoltage indicator light or overcurrent indicator light were bright.Light-emitting diode GZ is as faulty indication usefulness, and luminous representative single-chip microcomputer detects fault, as overvoltage, under-voltage, overcurrent, excess temperature etc., when GZ is luminous, flow into the base stage of triode V1 by the most of electric current of GZ, drive buzzer FM1 sounding, produce audible and visual alarm through triode.All electric capacity among Fig. 9 are filter capacitor.+ 5V from Fig. 5 linear stabilized power supply+5V output, VDD links to each other with the VDD of Fig. 5 linear stabilized power supply.RST links to each other with RST among Fig. 5, for single-chip microcomputer provides power-on reset signal.Each light-emitting diode among this figure belongs to indicating module.
Referring to Figure 10, D0～D4 produces 5 tunnel drive signals of 5 pressure regulation gears from the output of single-chip microcomputer.D0 drives photoelectrical coupler U10 (model is P521) through current-limiting resistance R10 and work gear indication light-emitting diode D10, carry out voltage isolation and drive V81 and controllable silicon M1 (see figure 3) that continuous element is formed by photoelectrical coupler U10, to select the 1st grade of work.D1 drives photoelectrical coupler U11 (model is P521) through current-limiting resistance R11 and work gear indication light-emitting diode D11, carry out voltage isolation and drive V82 and controllable silicon M2 (see figure 3) that continuous element is formed by photoelectrical coupler U11, to select the 2nd grade of work.D2 drives photoelectrical coupler U12 (model is P521) through current-limiting resistance R12 and work gear indication light-emitting diode D12, carry out voltage isolation and drive V83 and controllable silicon M3 (see figure 3) that continuous element is formed by photoelectrical coupler U12, to select the 3rd grade of work.D3 drives photoelectrical coupler U13 (model is P521) through current-limiting resistance R13 and work gear indication light-emitting diode D13, carry out voltage isolation and drive V84 and controllable silicon M4 (see figure 3) that continuous element is formed by photoelectrical coupler U13, to select the 4th grade of work.D4 drives photoelectrical coupler U14 (model is P521) through current-limiting resistance R14 and work gear indication light-emitting diode D14, carry out voltage isolation and drive V85 and controllable silicon M5 (see figure 3) that continuous element is formed by photoelectrical coupler U14, to select the 5th grade of work.Fast acting fuse F1～F5 is used to protect controllable silicon, all links to each other with transformer T, and when device was operated in the 1st grade, output voltage was identical with the line voltage of input, and the 2nd, 3,4,5 grade of output voltage reduces successively.The rated operational current of the capacity of transformer T, each silicon controlled capacity and each fuse is relevant with this Design of device capacity, thereby forms series of products according to user's actual needs.U10～U14 among this figure belongs to output driving circuit, and the effect of electrical isolation is arranged; V81～V85 and relevant element belong to the noncontacting switch group.
Claims (4)
1; the intelligent lighting energy-saving control device; it is characterized in that with the single-chip microcomputer that contains Control Software be core; under the scheduling of Control Software; to comparing by the voltage and current at that time of the detected lighting load of sample circuit and the electric current and voltage value of setting; determine that current voltage or electric current are normally or unusual; if belong to normal; then calculate the gear that current voltage should be located; and accurately detect the voltage or the current zero of lighting load; the place provides the triggering signal of corresponding gear at zero point; trigger corresponding switch conduction in the noncontacting switch group through output driving circuit, in a plurality of respective notch of transformer output voltage setting, switch.
2, according to the described intelligent lighting energy-saving control device of claim 1; it is characterized in that single-chip microcomputer also to the device temperature inside measure and calculate; and compare with the temperature protection value of setting; if abnormal parameters such as voltage, electric current, temperature; then single-chip microcomputer sends corresponding fault indication signal, alarm; automatically cut off output and maybe will export bypass, under the situation that device powers up, various running parameters can be checked or reset by communication interface module or network remote.
3, according to claim 1 or 2 described intelligent lighting energy-saving control devices, it is characterized in that comprising following hardware circuit:
Automatic control switch module: include longitude and latitude parameter time switch, regular tap, photosensitive switch, select one or combination as required, also be provided with in the module and the supporting high-power switch device of above-mentioned switch;
Transformer: the secondary a plurality of voltages output gears that are provided with;
AC/DC module: include Switching Power Supply, linear stabilized power supply;
Intelligent object: include A/D convertor circuit and single-chip microcomputer;
Input module: include manual bypass switch and protective circuit;
Output driver module: include photoelectricity and isolate and amplifying circuit;
Noncontacting switch group: include and the corresponding a plurality of noncontacting switches of transformer voltage output gear number;
Sampling module: include the electric current and voltage sample circuit, comprise that the linear transformation of alternating voltage electric current is the circuit and the alternating voltage current zero testing circuit of direct current;
Indicating module, communication interface module;
Annexation: illuminalive power-supply connects the automatic control switch module, its output connects transformer and AC/DC module respectively, many grades of outputs of transformer are exported through the noncontacting switch group, one the tunnel connects lighting load, another road is connected to single-chip microcomputer through sampling module, single-chip microcomputer output is connected to the noncontacting switch group through the output driver module, single-chip microcomputer output also connects indicating module, the output of input module is connected to single-chip microcomputer, the two-way connection between communication interface module and the single-chip microcomputer, the AC/DC module is output as hardware circuit DC power supply is provided, above hardware and the intelligent lighting energy-saving control device that connects and composes thereof be arranged at single-phase or three-phase illuminalive power-supply circuit in, three groups of hardware circuits of three-phase illuminalive power-supply all with single-phase be provided with identical.
4, according to the described intelligent lighting energy-saving control device of claim 3, it is characterized in that in the described sampling module voltage sampling circuit, comprise that the alternating voltage linear transformation is that the circuit and the alternating voltage zero-detection circuit of direct current can be connected automatic control switch module output.
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| CN 200520139604 CN2852596Y (en) | 2005-12-12 | 2005-12-12 | Intelligent lighting energy-saving control device |
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| CN 200520139604 CN2852596Y (en) | 2005-12-12 | 2005-12-12 | Intelligent lighting energy-saving control device |
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