CN103796403B - The intelligent ignition method of HID, HID electronic ballast and HID illuminator - Google Patents
The intelligent ignition method of HID, HID electronic ballast and HID illuminator Download PDFInfo
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- CN103796403B CN103796403B CN201310549489.3A CN201310549489A CN103796403B CN 103796403 B CN103796403 B CN 103796403B CN 201310549489 A CN201310549489 A CN 201310549489A CN 103796403 B CN103796403 B CN 103796403B
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Abstract
This application discloses a kind of HID intelligence ignition method, comprise the steps: to detect supply voltage (Vin), load voltage (Vlamp), load current (Ilamp); Type and the state of load is judged according to testing result; According to type and the state of load, export corresponding control signal with control load.Disclosed herein as well is a kind of HID electronic ballast and HID illuminator.By such scheme, by the HID lamp extinguished because of voltage ripple of power network is judged as thermolamp, lighting again again after HID cooling, to prevent from damaging because repeatedly triggering lighting hot HID, thus extends the useful life of HID; When load is switched to another HID lamp, by being identified as open-circuit-protection and carrying out lighting after the first Fixed Time Interval, can realize lighting HID rapidly.
Description
Technical field
The application relates to electric ballast, lighting field, particularly relates to the intelligent ignition method of a kind of HID, HID electronic ballast and HID illuminator.
Background technology
High-pressure discharge lamp (High Intensity Discharge, HID), because it has, light efficiency is high, color rendering good, the life-span long etc. advantage, more and more favored.The electric ballast be equipped with HID, because of superior functions such as energy consumption are low, efficiency is high, volume is little, obtains applying more and more widely.
Refer to Fig. 1, Fig. 1 is the topological structure schematic diagram of prior art HID electronic ballast.HID ballast comprises: rectification filtering module 110, power factor correction (Power FactorCorrection, PFC) module 120, switch power module 130, micro controller module 140, full-bridge inverting module 150, resonance step-up module 160.Rectification filtering module 110 for carrying out rectification, filtering process to the AC power of input, and is transferred to PFC module 120; PFC module 120 for reducing the harmonic wave of inputted electric current, and provides starting resistor to switch power module 130, provides input voltage to full-bridge inverting module 150; Switch power module 130 provides operating voltage for giving PFC module 120 and micro controller module 140; Micro controller module 140, for full-bridge inverting module 150 output drive signal, to produce alternating voltage, thus controls HID electronic ballast 100 normally work and the real-time operating state detecting lamp, to realize the abnormal protections such as HID open circuit, open circuit, life-span; The alternating voltage of generation for generation of alternating voltage, and is transferred to resonance step-up module 160 by full-bridge inverting module 150; Resonance step-up module 160, for generation of the oscillator signal of a natural frequency, when the frequency of the alternating voltage that full-bridge inverting module 150 produces is identical with the natural frequency of described oscillator signal, exports trigger fire signal to HID.
A current HID electronic ballast is equipped with a HID usually, adopts fixed intervals (60 seconds) pulsed electronic ballast, can realize a ballast and be equipped with many HID, select different lamp work according to different demands.Such as, the light-supplementing system of agricultural planting, according to the upgrowth situation of zones of different plant, adopts the illumination of different time, and an available ballast is equipped with multi-lamp, switches between lamp.Such collocation not only reduces the quantity of electric ballast, the maximum performance of its function is used, and reduces installation and maintenance cost.
But but there is following defect in the HID ballast of this employing fixed intervals (60 seconds) pulse-triggered sparking mode that prior art provides:
When HID lamp is when normally working, because of voltage ripple of power network (as the power down short time power on again, line voltage is too low or excessively high) after HID lamp extinguishes, when restoring electricity, because None-identified HID lamp is also in hot, therefore after 60 seconds, again exporting igniting high pressure; But be in hot HID lamp and need higher ignition voltage just can puncture gas luminescence in lamp, normal trigger voltage is not enough to again be lighted, such relight, the electrode of hot HID will damage because being subject to the repeated impacts of igniting high pressure, thus reduces its useful life.
In addition, this fixed intervals pulse-triggered igniting, because being fixed as 60 seconds interval time, when load is switched to another HID lamp, the high pressure of igniting next time still needing wait to export after 60 seconds just can be lighted, and can not meet the requirement of fast lighting.
Summary of the invention
The technical problem that the application mainly solves is to provide a kind of high-pressure discharge lamp (High IntensityDischarge, HID) intelligent ignition method, HID electronic ballast and HID illuminator, when HID is because of after voltage ripple of power network extinguishes, can lighting again again after hot HID cooling; When switching HID load, HID can be lighted fast.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of electrion lamp HID smart point lamp method, and described method comprises the steps: to detect supply voltage (Vin), load voltage (Vlamp), load current (Ilamp); Type and the state of load is judged according to testing result, wherein, when supply voltage (Vin) is the normal range value preset, when load voltage (Vlamp) and load current (Ilamp) are low level, judge that load is the first load and as initial condition;
When supply voltage (Vin) by normal range value switch to exceed or lower than preset normal range value, when load voltage (Vlamp) and load current (Ilamp) switch to low level by high level, judge that load is the first load and as hot; When supply voltage (Vin) is the normal range value preset, when load voltage (Vlamp) and load current (Ilamp) switch to low level by high level, judge that load switches to the second load and as initial condition; According to type and the state of described load, export corresponding control signal with control load, wherein, when described load is the first load and is initial condition, export control signal immediately to export first time trigger fire signal to described first load; When described load is the first load and is hot, after the delay time preset, export control signal to export first time trigger fire signal to described first load, wherein, described default delay time can make described load from the hot cold conditions that switches to; When described load switches to the second load and is initial condition, after the first fixed time interval, export control signal to export first time trigger fire signal to the second load.
Wherein, after exporting the step of first time trigger fire signal to described first load, if when detection load voltage (Vlamp) and load current (Ilamp) are low level, after the second fixed time interval, again export trigger fire signal to described first load, until detect that load voltage (Vlamp) and load current (Ilamp) switch to high level by low level, wherein, export 14 times at the most again and trigger ignition control signal; After exporting the step of first time trigger fire signal to described second load, if when detection load voltage (Vlamp) and load current (Ilamp) are low level, after the second fixed time interval, again export trigger fire signal to the second load, until detect that load voltage (Vlamp) and load current (Ilamp) switch to high level by low level, wherein, export 14 times at the most again and trigger ignition control signal; Described second Fixed Time Interval is greater than the first Fixed Time Interval.
Wherein, after exporting the step of 14 ignition signals that set out again to described first load or the second load; when load voltage (Vlamp) and load current (Ilamp) being detected all still for low level, stop the control signal exporting described first load of control or the igniting of the second load triggers to enter complete guard mode.
Wherein, after the step entering described complete guard mode, re-power to remove described complete guard mode.
Wherein, the normal range value preset of described supply voltage (Vin) is for being more than or equal to 0.56V and being less than or equal to 1.89V; Described first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds; Described second fixed time interval is for being more than or equal to 55 seconds and being less than or equal to 65 seconds; Described default delay time is for being more than or equal to 13 minutes and being less than or equal to 17 minutes; Described control signal is pulse-width signal.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of HID electronic ballast, and described electric ballast comprises: supply module, sampling module, judge module, control module, driver module; Described supply module, comprise rectification filtering unit, power factor correction unit and switching power supply, wherein, described rectification filtering unit is used for carrying out rectification, filtering to power supply, described power factor correction unit is for reducing the harmonic wave of inputted electric current, and described switching power supply is used for providing operating voltage; Described sampling module, at least comprise the first sample port, the second sample port and the 3rd sample port, described first sample port is for detecting supply voltage, described second sample port is for detecting load voltage, 3rd sample port is for detecting load current, and testing result sends to described judge module by described sampling module; Described judge module, for receiving the testing result that described sampling module sends, type and the state of load is judged according to described testing result, and the type of described load and state are sent to described control module, wherein, when the normal range value that supply voltage is default, when load voltage and load current are low level, judge that load is the first load and as initial condition; To exceed or lower than the normal range value preset when supply voltage is switched to by normal range value, when load voltage and load current switch to low level by high level, judge that load is the first load and as hot; When the normal range value that supply voltage is default, when load voltage and load current switch to low level by high level, judge that load switches to the second load and as initial condition; Described control module, for receiving type and the state of the load that described judge module sends, according to type and the state of described load, corresponding control signal is exported to make described driver module control load to driver module, wherein, when described load is the first load and is initial condition, described control module exports control signal to described driver module immediately and exports first time trigger fire signal to make described driver module to described first load; When described load is the first load and is hot, described control module is after the delay time preset, export control signal to described driver module and export first time trigger fire signal to make described driver module to described first load, wherein, described default delay time can make described load switch to cold conditions from hot; When described load switches to the second load and is initial condition, described control module, after the first fixed time interval, exports first time trigger fire signal to make described driver module to the second load to described driver module output drive signal; Described driver module, for receiving the control signal that control module exports, and according to control signal control load.
Wherein, when described driver module to described first load export first time trigger fire signal after, if when described sampling module detection load voltage and load current are low level, described control module is after the second fixed time interval, again export control signal to described driver module and export trigger fire signal to make described driver module to described first load, until described detection module detects that load voltage and load current switch to high level by low level, wherein, described control module exports 14 times at the most again to described driver module and triggers ignition control signal, when described driver module to described second load export first time trigger fire signal after, if when described sampling module detection load voltage and load current are low level, described control module is after the second fixed time interval, again export control signal to described driver module and export trigger fire signal to make described driver module to the second load, until described detection module detects that load voltage and load current switch to high level by low level, wherein, described control module exports 14 times at the most again to described driver module and triggers ignition control signal, described second Fixed Time Interval is greater than the first Fixed Time Interval.
Wherein, when described driver module is to after described first load or the second load export 14 trigger fire signal again, when described sampling module detects that load voltage and load current are low level, described control module stops exporting the control signal of control first load or the igniting of the second load triggers to enter complete guard mode to described driver module; When entering described complete guard mode, re-power to remove described complete guard mode.
Wherein, the normal range value preset of described supply voltage is for being more than or equal to 0.56V and being less than or equal to 1.89V; Described first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds; Described second fixed time interval is for being more than or equal to 55 seconds and being less than or equal to 65 seconds; Described default delay time is for being more than or equal to 13 minutes and being less than or equal to 17 minutes; Described control module is pulse-width signal to the control signal that described driver module exports.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: provide a kind of HID illuminator, described illuminator comprises HID electronic ballast and HID, and wherein, described HID electronic ballast is the HID electronic ballast such as according to any one of above-mentioned execution mode.
Such scheme, by the HID extinguished because of voltage ripple of power network is judged as thermolamp, lighting again again after HID cooling, to prevent from damaging because repeatedly triggering lighting hot HID, thus extends the useful life of HID lamp; When load is switched to another HID, by being identified as open-circuit-protection and carrying out lighting after the first Fixed Time Interval, can realize lighting HID rapidly.
Accompanying drawing explanation
Fig. 1 is the topological structure schematic diagram of the HID electronic ballast of prior art;
Fig. 2 is the application's HID electronic ballast one execution mode topological structure schematic diagram;
Fig. 3 is the flow chart of the application HID intelligence ignition method one execution mode;
Fig. 4 is the flow chart of another execution mode of the application HID intelligence ignition method;
Fig. 5 is another execution mode structural representation of the application's HID electronic ballast;
Fig. 6 is the structural representation of supply module in Fig. 5;
Fig. 7 is the application HID illuminator one execution mode structural representation.
Embodiment
In below describing, in order to illustrate instead of in order to limit, propose the detail of such as particular system structure, interface, technology and so on, thoroughly to understand the application.But, it will be clear to one skilled in the art that and also can realize the application in other execution mode not having these details.In other situation, omit the detailed description to well-known device, circuit and method, in order to avoid unnecessary details hinders the description of the application.
Consult Fig. 2, Fig. 2 is the application's HID electronic ballast one execution mode topological structure schematic diagram.The HID electronic ballast 2100 of present embodiment comprises: rectification filtering unit 2110, power factor correction (Power Factor Correction, PFC) unit 2120, switching power supply 2130, micro controller unit 2140, full-bridge driver element 2150, resonance step-up unit 2160, wherein, micro controller unit 2140 at least comprises power input port VCC, the first sample port 2141, second sample port 2142, the 3rd sample port 2143, control port 2144, and resonance step-up unit 2160 comprises the inductance L 1 and the first electric capacity C1 that are connected in series.
The voltage input end mouth of the first end of rectification filtering unit 2110, PFC unit 2120, diode D1, switching power supply 2130 is connected in series, and diode D1 is also connected in series with the second end of second electric capacity C2, PFC unit 2120; Rectification filtering unit 2110 is also electrically connected with the first sample port 2141 of micro controller unit 2140; First output port of switching power supply 2130 is electrically connected with the power input port of PFC unit 2120, to provide operating voltage to PFC unit 2120, second output port of switching power supply 2130 is electrically connected with the power input port Vcc of micro controller unit 2140, to provide operating voltage to micro controller unit 2140; Second sample port 2142 of micro controller unit 2140 is connected with the output of load 2200, to detect the operating voltage Vlamp of load 2200,3rd sample port 2143 of micro controller unit 2140 is connected with the output of load 2200, to detect the operating current Ilamp of load 2200, the control port 2144 of micro controller unit 2140 is electrically connected with the input port of full-bridge driver element 2150, with to full-bridge driver element 2150 input control signal; First output port of full-bridge driver element 2150, the second output port, the 3rd output port and the 4th output port respectively with, the grid electrical connection of the first metal-oxide semiconductor (MOS) (MetalOxideSemiconductor, MOS) TFT_1, the second metal-oxide-semiconductor TFT_2, the 4th metal-oxide-semiconductor TFT_4, the 3rd metal-oxide-semiconductor TFT_3; The drain electrode of the first metal-oxide-semiconductor TFT_1 is connected with the cathodic electricity of diode D1 with the drain electrode of the second metal-oxide-semiconductor TFT_2, and the source electrode of the first metal-oxide-semiconductor TFT_1 and the drain electrode of the 3rd metal-oxide-semiconductor TFT_3, be electrically connected with the input of resonance step-up unit 2160 by the 3rd electric capacity C3; The source electrode of the second metal-oxide-semiconductor TFT_2 is connected with the output of the drain electrode of the 4th metal-oxide-semiconductor TFT_4 with the output of load 2200 and resonance step-up unit 2160; Source electrode and the source electrode of the 4th metal-oxide-semiconductor TFT_4 of the 3rd metal-oxide-semiconductor TFT_3 are electrically connected with the second end of PFC unit 2120; The inductance L 1 of resonance step-up unit 2160 is connected with the input of load 2200 with the first electric capacity C1.
Rectification filtering unit 2110 for carrying out rectification, filtering process to the AC power of input, and is transferred to the first sample port of PFC unit 2120 and micro controller unit 2140.
PFC unit 2120, for providing starting resistor by diode D1 to switching power supply 2130, provides drain electrode input voltage to the first metal-oxide-semiconductor TFT_1 be electrically connected with full-bridge driver element 2150, the second metal-oxide-semiconductor TFT_2; PFC unit 2120 is also for reducing the harmonic wave of inputted electric current.
Switching power supply 2130 is for providing operating voltage to power factor correction unit 2120, micro controller unit 2140, and wherein, the value of this operating voltage is determined according to the voltage that power factor correction unit 2120 and micro controller unit 2140 can be made normally to work.
The voltage Vin of the first sample port 2141 input power for detecting of micro controller unit 2140, second sample port 2142 is for detecting the operating voltage Vlamp of load 2200, 3rd sample port 2143 is for detecting the operating current Ilamp of load 2200, micro controller unit 2140 is according to the voltage Vin of the input power detected, the voltage Vlamp of load 2200 and electric current I lamp judges type and the operating state of load 2200, and export corresponding pulse-width modulation (Pulse Width Modulation by control port 2144 to full-bridge driver element 2150 according to the type of load 2200 and operating state, PWM) control signal.
Full-bridge driver element 2150 exports the anti-phase square-wave signal of two-way for the pwm control signal inputted according to micro controller unit 2140 simultaneously, to control the first metal-oxide-semiconductor TFT_1 of being connected electrically and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, and produce alternating voltage with resonance step-up unit 2160 acting in conjunction.Wherein, when the pwm control signal inputted is high level, the first via square-wave signal that full-bridge driver element 2150 exports controls the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4 conducting, the the second road square-wave signal exported controls control second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 and closes, when the pwm control signal inputted is low level, the first via square-wave signal that full-bridge driver element 2150 exports controls the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4 closes, and the second road square-wave signal of output controls control second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 conducting.
Resonance step-up unit 2160 is for generation of the oscillator signal of a natural frequency, when the frequency of the pwm control signal that micro controller unit 2140 exports is identical with the natural frequency of this oscillator signal, resonance step-up unit 2160 exports high pressure trigger fire signal to load 2200, to puncture the gas luminescence in load 2200, thus light load 2200.
Specific works mode is: after the AC power of rectification filtering unit 2110 to input electric ballast 2100 carries out rectification, filtering process, be transferred to the first sample port and the PFC unit 2120 of micro controller unit 2140.
PFC unit 2120 provides starting resistor by diode D1 to switching power supply 2130, provides drain electrode input voltage to the first metal-oxide-semiconductor TFT_1 be electrically connected with full-bridge driver element 2150, the second metal-oxide-semiconductor TFT_2.
Switching power supply 2130 inputs after starting resistor normally works, by the first output port to PFC unit 2120 input service voltage, PFC unit 2120 is normally worked, the current following input voltage that PFC unit 2120 inputs by making rectification filtering unit 2110, thus reduce the harmonic wave of the electric current inputted, and then regulating power factor; Simultaneous Switching power subsystem 2130 also passes through the second output port to micro controller unit 2140 input service voltage, and micro controller unit 2140 is normally worked.
When micro controller unit 2140 is powered and is normally worked, first sample port 2141 of micro controller unit 2140 starts the voltage Vin detecting institute's input power, second sample port 2142 starts the operating voltage Vlamp detecting load 2200, 3rd sample port 2143 starts the operating current Ilamp detecting load 2200, micro controller unit 2140 is according to the voltage Vin of the input power detected, the voltage Vlamp of load 2200 and electric current I lamp judges type and the operating state of load 2200, corresponding pwm control signal is exported by control port 2144 to full-bridge driver element 2150 again according to the type of load 2200 and operating state.
Wherein, when the voltage Vin of the input power detected is default normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp is low level, micro controller unit 2140 judges that load 2200 is the first load and as initial condition, micro controller unit 2140 exports the pwm control signal of first frequency immediately to full-bridge driver element 2150 by control port 2144, light a fire with trigger load 2200.
Wherein, when the input power detected voltage Vin by normal range value switch to exceed or lower than preset normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp switches to low level by high level, micro controller unit 2140 judges that load 2200 is the first load and as hot, make after the delay time preset load from hot switch to cold conditions time, micro controller unit 2140 exports the pwm control signal of first frequency to full-bridge driver element 2150 by control port 2144, light a fire with trigger load 2200.
Wherein, when the voltage Vin of the input power detected is default normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp switches to low level by high level, micro controller unit 2140 judges that load 2200 switches to the second load and as initial condition, after the first Fixed Time Interval, micro controller unit 2140 exports the pwm control signal of first frequency to full-bridge driver element 2150 by control port 2144, light a fire with trigger load 2200.
Wherein, when the voltage Vin of the input power detected is default normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp is high level, micro controller unit 2140 judges that load 2200 is as normal operating conditions, micro controller unit 2140 exports the pwm control signal of second frequency to full-bridge driver element 2150 by control port 2144, normally work to make load 2200.
Wherein, when the voltage Vin of the input power detected is default normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp switches to low level by high level, micro controller unit 2140 judges that load 2200 is as OFF state, and micro controller unit 2140 stops exporting pwm control signal by control port 2144 to full-bridge driver element 2150.
Full-bridge driver element 2150 exports the anti-phase square-wave signal of two-way according to the pwm control signal that micro controller unit 2140 inputs simultaneously, control the first metal-oxide-semiconductor TFT_1 of being connected electrically and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, and produce alternating voltage with resonance step-up unit 2160 acting in conjunction.
Wherein, when the pwm control signal inputted is high level, the first via square-wave signal that full-bridge driver element 2150 exports controls the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4 conducting, now loop current is successively through the second end of the first end of PFC unit 2120, diode D1, the first metal-oxide-semiconductor TFT_1, the 3rd electric capacity C3, inductance L 1, first electric capacity C1, the 4th metal-oxide-semiconductor TFT_4, PFC unit 2120, and the second road square-wave signal that full-bridge driver element 2150 exports controls the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 closes.
Wherein, when the pwm control signal inputted is low level, the first via square-wave signal that full-bridge driver element 2150 exports controls the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4 closes, the second road square-wave signal that full-bridge driver element 2150 exports controls the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 conducting, and now loop current is successively through the second end of the first end of PFC unit 2120, diode D1, the second metal-oxide-semiconductor TFT_2, the first electric capacity C1, inductance L 1, the 3rd electric capacity C3, the 3rd metal-oxide-semiconductor TFT_3, PFC unit 2120.
Circulation like this makes the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, produces alternating voltage with resonance step-up unit 2160 acting in conjunction.
When the frequency of the pwm control signal that micro controller unit 2140 exports is identical with the natural frequency of the oscillator signal that resonance step-up unit 2160 produces, resonance step-up unit 2160 exports high pressure trigger fire signal to load 2200, puncture the gas luminescence in load 2200, thus light load 2200.
It should be noted that: in the present embodiment, load 2200 is HID, the normal range value preset of the voltage Vin of input power is for being more than or equal to 0.56V and being less than or equal to 1.89V, first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds, and the delay time preset is for being more than or equal to 13 minutes and being less than or equal to 17 minutes.
Consult Fig. 3, Fig. 3 is the flow chart of the application HID intelligence ignition method one execution mode.See also Fig. 2, present embodiment is with the micro controller unit 2140 in Fig. 2 for executive agent is described, and the HID intelligence ignition method of present embodiment comprises:
Step S301: detect supply voltage (Vin), load voltage (Vlamp), load current (Ilamp).
After powering on, first sample port 2141 of micro controller unit 2140 starts the voltage Vin detecting the input power after rectification, filtering transformation, second sample port 2142 of micro controller unit 2140 starts the operating voltage Vlamp detecting load 2200, and the 3rd sample port 2143 of micro controller unit 2140 starts the operating current Ilamp detecting load 2200.
Step S302: the type and the state that judge load according to testing result.
Micro controller unit 2140 judges type and the operating state of load 2200 according to the voltage Vin of the input power detected, the voltage Vlamp of load 2200 and electric current I lamp.
When the voltage Vin of the input power detected is default normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp is low level, micro controller unit 2140 judges that load 2200 is the first load and as initial condition.
When the input power detected voltage Vin by normal range value switch to exceed or lower than preset normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp switches to low level by high level, micro controller unit 2140 judges that load 2200 is the first load and as hot.
When the voltage Vin of the input power detected is default normal range value, when the operating voltage Vlamp of load 2200 and operating current (Ilamp) switch to low level by high level, micro controller unit 2140 judges that load 2200 switches to the second load and as initial condition.
Step S303: according to type and the state of described load, exports corresponding control signal with control load.
Micro controller unit 2140 exports corresponding pwm control signal by control port 2144 to full-bridge driver element 2150 according to the type of load 2200 and operating state, export the anti-phase square-wave signal of two-way to control full-bridge driver element 2150 simultaneously, thus control first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and the closedown of its electrical connection, and produce alternating voltage, with control load 2200 with resonance step-up unit 2160 acting in conjunction.
When load 2200 is the first load and is initial condition, micro controller unit 2140 exports the pwm control signal of first frequency immediately to full-bridge driver element 2150 by control port 2144, export the anti-phase square-wave signal of two-way to control full-bridge driver element 2150 simultaneously, thus control the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, and produce alternating voltage with resonance step-up unit 2160 acting in conjunction, first time trigger fire signal is exported to the first load, to puncture the gas luminescence in load 2200, thus light load 2200, when load 2200 is lighted, micro controller unit 2140 exports the pwm control signal of second frequency to full-bridge driver element 2150 by control port 2144, normally work to make load 2200.
When load 2200 is the first load and is hot, micro controller unit 2140 stops exporting pwm control signal by control port 2144 to full-bridge driver element 2150, after the delay time preset, load 2200 from hot switch to cold conditions time, micro controller unit 2140 exports the pwm control signal of first frequency to full-bridge driver element 2150 by control port 2144, export the anti-phase square-wave signal of two-way to control full-bridge driver element 2150 simultaneously, thus control the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, first time trigger fire signal is exported to the first load to produce alternating voltage, to puncture the gas luminescence in load 2200, thus light load 2200,
When load 2200 switches to the second load and is initial condition, after the first fixed time interval, micro controller unit 2140 exports the pwm control signal of first frequency by control port 2144, to control the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, first time trigger fire signal is exported to the second load to produce alternating voltage, to puncture the gas luminescence in load 2200, thus light load 2200.
It should be noted that: in above-mentioned steps, load 2200 is HID, the normal range value preset of the voltage Vin of input power is for being more than or equal to 0.56V and being less than or equal to 1.89V, first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds, and the delay time preset is for being more than or equal to 13 minutes and being less than or equal to 17 minutes.
When micro controller unit 2140 is high level by control port 2144 to the pwm control signal that full-bridge driver element 2150 exports, control full-bridge driver element 2150 and export the anti-phase square-wave signal of two-way simultaneously, first via square-wave signal controls the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4 conducting, and now loop current is successively through the second end of the first end of PFC unit 2120, diode D1, the first metal-oxide-semiconductor TFT_1, the 3rd electric capacity C3, inductance L 1, first electric capacity C1, the 4th metal-oxide-semiconductor TFT_4, PFC unit 2120; Second road square-wave signal controls the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 closes.
When micro controller unit 2140 is high level by control port 2144 to the pwm control signal that full-bridge driver element 2150 exports, control full-bridge driver element 2150 and export the anti-phase square-wave signal of two-way simultaneously, first via square-wave signal controls the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4 closes, second road square-wave signal controls the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 conducting, now loop current is successively through the first end of PFC unit 2120, diode D1, second metal-oxide-semiconductor TFT_2, first electric capacity C1, inductance L 1, 3rd electric capacity C3, 3rd metal-oxide-semiconductor TFT_3, second end of PFC unit 2120.
Circulation like this makes the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, produces alternating voltage with resonance step-up unit 2160 acting in conjunction.
When the frequency of the pwm control signal that micro controller unit 2140 exports is identical with the natural frequency of the oscillator signal that resonance step-up unit 2160 produces, resonance step-up unit 2160 exports high pressure trigger fire signal to load 2200, puncture the gas luminescence in load 2200, thus light load 2200.
Consult Fig. 4, Fig. 4 is the flow chart of another execution mode of the application HID intelligence ignition method.See also Fig. 2, present embodiment is with the micro controller unit 2140 in Fig. 2 for executive agent is described, and the HID intelligence ignition method of present embodiment comprises:
Step S401: power on.
Switch power module 2130 provides operating voltage to micro controller unit 2140.
Step S402: the first loaded work piece is in initial ignition state.
First sample port 2141 of micro controller unit 2140 detects the voltage Vin of the input power after rectification, filtering transformation, second sample port 2142 of micro controller unit 2140 detects the operating voltage Vlamp of load 2200, and the 3rd sample port 2143 of micro controller unit 2140 detects the operating current Ilamp of load 2200.Micro controller unit 2140 judges type and the operating state of load 2200 according to the voltage Vin of the input power detected, the voltage Vlamp of load 2200 and electric current I lamp.
When the voltage Vin of the input power detected is default normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp is low level, micro controller unit 2140 judges that load 2200 is the first load and as initial condition.Micro controller unit 2140 exports the pwm control signal of first frequency immediately to full-bridge driver element 2150 by control port 2144, export the anti-phase square-wave signal of two-way to control full-bridge driver element 2150 simultaneously, thus control the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, export first time trigger fire signal to produce alternating voltage to the first load.
Step S403: judge whether the first load lights.
The pwm control signal of the first frequency that micro controller unit 2140 is exported to full-bridge driver element 2150 by control port 2144, control full-bridge driver element 2150 and export the anti-phase square-wave signal of two-way simultaneously, thus control the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, and produce alternating voltage with resonance step-up unit 2160 acting in conjunction, when the frequency of the pwm control signal of the first frequency that micro controller unit 2140 exports is identical with the natural frequency of the oscillator signal that resonance step-up unit 2160 produces, resonance step-up unit 2160 exports first time high pressure trigger fire signal to the first load 2200, to puncture the gas luminescence in the first load 2200, light the first load 2200.
Wherein, the method that the pwm control signal control generation alternating voltage of the first frequency that micro controller unit 2140 exports is lighted a fire with trigger load is identical with above-mentioned execution mode, does not repeat one by one herein.
The voltage Vin of the input power detected when micro controller unit 2140 is normal range value, when the operating voltage Vlamp of the first load 2200 and operating current Ilamp switches to high level by low level, micro controller unit 2140 judges that first time lights a fire successfully, and the first load 2200 is lighted.
The voltage Vin of the input power detected when micro controller unit 2140 is normal range value, when the operating voltage Vlamp of the first load 2200 and operating current Ilamp is low level, micro controller unit 2140 judges first time loss of ignition, and the first load 2200 is not lighted.
Step S404: the first load normally works.
After load 2200 is lighted, micro controller unit 2140 exports the pwm control signal of second frequency to full-bridge driver element 2150 by control port 2144, normally works to make the first load 2200.
The voltage Vin of the input power detected when micro controller unit 2140 is normal range value, when the operating voltage Vlamp of the first load 2200 and operating current Ilamp is high level all always, micro controller unit 2140 judges that the first load 2200 is operated in normal condition.
Step S405: judge whether supply voltage fluctuates.
When the input power that micro controller unit 2140 detects voltage Vin by normal range value switch to exceed or lower than preset normal range value time, when the operating voltage Vlamp of the first load 2200 and operating current Ilamp is high level, micro controller unit 2140 is judged as that fluctuation appears in the voltage of input power; The voltage Vin of the input power detected when micro controller unit 2140 is still normal range value, and when the operating voltage Vlamp of the first load 2200 and operating current Ilamp is high level, micro controller unit 2140 is judged as the voltage stabilization of input power.
Step S406: the first load is extinguished.
When fluctuation appears in the voltage of input power, operating voltage Vlamp and the operating current Ilamp of the load 2200 that micro controller unit 2140 detects switch to low level by high level, the voltage Vin of input power is by when exceeding or switch to normal range value lower than the normal range value preset, micro controller unit 2140 judges that the first load 2200 is extinguished because of input supply voltage fluctuation, and the first load 2200 is hot, micro controller unit 2140 stops exporting pwm control signal by control port 2144 to full-bridge driver element 2150.
After the delay time preset, perform step S403, wherein, the delay time preset can make the first load 2200 switch to cold conditions from hot.
Step S407: judge whether switch load.
The voltage Vin of the input power detected when micro controller unit 2140 is default normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp switches to low level by high level, judge that load 2200 switches to the second load and as initial condition.
Step S408: the second loaded work piece is in rapid-ignition state.
After the first fixed time interval, micro controller unit 2140 exports the pwm control signal of first frequency to full-bridge driver element 2150 by control port 2144, export the anti-phase square-wave signal of two-way to control full-bridge driver element 2150 simultaneously, thus control the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, the second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, export first time trigger fire signal to produce alternating voltage to the second load.
Step S409: judge whether the second load lights.
The pwm control signal of the first frequency that micro controller unit 2140 is exported to full-bridge driver element 2150 by control port 2144 controls full-bridge driver element 2150 and exports the anti-phase square-wave signal of two-way simultaneously, thus control the first metal-oxide-semiconductor TFT_1 and the 4th metal-oxide-semiconductor TFT_4, second metal-oxide-semiconductor TFT_2 and the 3rd metal-oxide-semiconductor TFT_3 alternate conduction and closedown, and produce alternating voltage with resonance step-up unit 2160 acting in conjunction, when the frequency of the pwm control signal of the first frequency that micro controller unit 2140 exports is identical with the natural frequency of the oscillator signal that resonance step-up unit 2160 produces, resonance step-up unit 2160 exports first time high pressure trigger fire signal to the second load 2200, to puncture the gas luminescence in the second load 2200, light the second load 2200.Wherein, it is identical with above-mentioned execution mode with the method triggering igniting that the pwm control signal of the first frequency that micro controller unit 2140 exports controls to produce alternating voltage, do not repeat one by one herein.
The voltage Vin of the input power detected when micro controller unit 2140 is normal range value, when the operating voltage Vlamp of the second load 2200 and operating current Ilamp switches to high level by low level, micro controller unit 2140 judges that first time lights a fire successfully, and the second load 2200 is lighted.
The voltage Vin of the input power detected when micro controller unit 2140 is normal range value, when the operating voltage Vlamp of the first load 2200 and operating current Ilamp is low level, micro controller unit 2140 judges first time loss of ignition, and the second load 2200 is not lighted.
Step S410: the second load normally works.
After load 2200 is lighted, micro controller unit 2140 exports the pwm control signal of second frequency to full-bridge driver element 2150 by control port 2144, normally works to make the second load 2200.
The voltage Vin of the input power detected when micro controller unit 2140 is normal range value, when the operating voltage Vlamp of the second load 2200 and operating current Ilamp is high level all always, micro controller unit 2140 judges that the second load 2200 is operated in normal condition.
Step S411: again light a fire after second time interval, circulates 14 times.
After micro controller unit 2140 performs step S403, micro controller unit 2140 judges first time loss of ignition, when first load 2200 is not lighted, after second fixed time interval, micro controller unit 2140 exports the pwm control signal of first frequency again, resonance step-up unit 2160 is made to export high pressure trigger fire signal to the second load 2200, until detect that the operating voltage Vlamp of the first load and operating current Ilamp switches to high level by low level, micro controller unit 2140 micro controller unit 2140 exports the pwm control signal of second frequency to full-bridge driver element 2150 by control port 2144, normally work to make the first load 2200.Wherein, micro controller unit 2140 exports 14 pwm control signals at the most again to trigger igniting, and the second fixed time interval is greater than the first fixed time interval.
The method that the pwm control signal control generation alternating voltage of the first frequency that micro controller unit 2140 exports is lighted a fire with trigger load is identical with above-mentioned execution mode, does not repeat one by one herein.
Step S412: again light a fire after second time interval, circulates 14 times.
After micro controller unit 2140 performs step S409, micro controller unit 2140 judges first time loss of ignition, when second load 2200 is not lighted, after second fixed time interval, micro controller unit 2140 exports the pwm control signal of first frequency again, resonance step-up unit 2160 is made to export high pressure trigger fire signal to the second load 2200, until detect that the operating voltage Vlamp of the second load and operating current Ilamp switches to high level by low level, micro controller unit 2140 micro controller unit 2140 exports the pwm control signal of second frequency to full-bridge driver element 2150 by control port 2144, normally work to make the second load 2200.Wherein, micro controller unit 2140 exports 14 pwm control signals at the most again to trigger igniting, and the second fixed time interval is greater than the first fixed time interval.
The method that the pwm control signal control generation alternating voltage of the first frequency that micro controller unit 2140 exports is lighted a fire with trigger load is identical with above-mentioned execution mode, does not repeat one by one herein.
Step S413: enter complete guard mode.
After micro controller unit 2140 execution of step S411 or step S412, the voltage Vin of the input power that micro controller unit 2140 detects is normal range value, when the operating voltage Vlamp of load 2200 and operating current Ilamp is all still low level, i.e. the 15th loss of ignition, micro controller unit 2140 stops the pwm control signal exporting arbitrary frequency, and enters complete guard mode; When entering complete guard mode, re-powering after removing complete guard mode, performing step S402.
It should be noted that, in above-mentioned steps, load 2200 is HID, the normal range value preset of the voltage Vin of input power is for being more than or equal to 0.56V and being less than or equal to 1.89V, first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds, second fixed time interval is for being more than or equal to 55 seconds and being less than or equal to 65 seconds, and the delay time preset is for being more than or equal to 13 minutes and being less than or equal to 17 minutes.
Refer to Fig. 5, Fig. 5 is another execution mode structural representation of the application's HID electronic ballast, sees also Fig. 6, and Fig. 6 is the structural representation of supply module in Fig. 5; In the present embodiment, HID electronic ballast comprises and connecting successively: supply module 510, sampling module 520, judge module 530, control module 540, driver module 550, wherein, supply module 510 comprises rectification filtering unit 511, PFC unit 512, switching power supply 513.
Supply module 510, comprises rectification filtering unit 511, PFC unit 512 and switching power supply 513, and wherein, rectification filtering unit 511 is for carrying out rectification, filtering to inputted power supply; PFC unit 512 is for reducing the harmonic wave of inputted electric current; Switching power supply 513 is for providing operating voltage.Such as, the AC power of rectification filtering unit 511 to input carries out rectification, filtering process, and is transferred to PFC unit 512 and switching power supply 513, to provide starting resistor to switching power supply 513; When switching power supply 513 normally works, provide operating voltage to PFC unit 512, make PFC unit 512 reduce the harmonic wave of the electric current that rectification filtering unit 511 inputs, and provide starting resistor to switching power supply 513.Switching power supply 513 is also for needing the module of power supply to provide the voltage that it can be made normally to work to sampling module 520, judge module 530, control module 540 etc.
Sampling module 520, at least comprises the first sample port, the second sample port and the 3rd sample port, and the first sample port is for detecting supply voltage, and the second sample port is for detecting load voltage, and the 3rd sample port is for detecting load current.Such as, after powering on, the first sample port detects the voltage of the input power after rectification, filtering transformation, and the second sample port detects the operating voltage of load, and the 3rd sample port detects the operating current of load.Testing result sends to judge module 530 by sampling module 520;
Judge module 530, for receiving the testing result that sampling module 520 sends, judges type and the state of load according to testing result, wherein, when the normal range value that supply voltage is default, when load voltage and load current are low level, judge that load is the first load and as initial condition; To exceed or lower than the normal range value preset when supply voltage is switched to by normal range value, when load voltage and load current switch to low level by high level, judge that load is the first load and as hot; When the normal range value that supply voltage is default, when load voltage and load current switch to low level by high level, judge that load switches to the second load and as initial condition.
Such as, the voltage being input power when testing result is default normal range value, and when the operating voltage of load and operating current are low level, judge module 530 judges that load is the first load and as initial condition; To exceed or lower than the normal range value preset when the voltage of the input power detected is switched to by normal range value, when the operating voltage of load and operating current switch to low level by high level, judge module 530 judges that load is the first load and as hot; The voltage being input power when testing result is default normal range value, and when the operating voltage of load and operating current switch to low level by high level, judge module 530 judges that load switches to the second load and as initial condition; The voltage being input power when testing result is normal range value, and when the operating voltage of load and operating current are high level all always, judge module 530 judges that loaded work piece is in normal condition.The type state of load sends to control module 540 by judge module 530.
Control module 540, for receiving type and the state of the load that judge module 530 sends, according to type and the state of load, corresponding control signal is exported to make driver module 550 control load to driver module 550, wherein, when load is the first load and is initial condition, control module 540 exports control signal to driver module 550 immediately and exports first time trigger fire signal to make driver module 550 to the first load; When load is the first load and is hot, control module 540 is after the delay time preset, export control signal to driver module 550 and export first time trigger fire signal to make driver module 550 to the first load, wherein, the delay time preset can make load switch to cold conditions from hot; When load switches to the second load and is initial condition, control module 540, after the first fixed time interval, exports first time trigger fire signal to make driver module to the second load to driver module 550 output drive signal.
Such as, control module 540 exports corresponding pwm control signal according to the type of received load and operating state to driver module 550, produce alternating voltage to load output high pressure trigger fire signal to control driver module 550, to puncture the gas luminescence in load, thus light load.When load is the first load and is initial condition, control module 540 exports the pwm control signal of first frequency immediately to driver module 550, alternating voltage is produced to the first load output first time trigger fire signal to control driver module 550, to puncture the gas luminescence in load, thus light load; When load is the first load and is hot, micro controller unit 2140 stops exporting pwm control signal by control port 2144 to full-bridge driver element 2150, after the delay time preset, load from hot switch to cold conditions time, control module 540 exports the pwm control signal of first frequency to driver module 550, produce alternating voltage to the first load output first time trigger fire signal to control driver module 550, to puncture the gas luminescence in load, thus light load; When load switches to the second load and is initial condition, after the first fixed time interval, control module 540 exports the pwm control signal of first frequency immediately to driver module 550, alternating voltage is produced to the second load output first time trigger fire signal to control driver module 550, to puncture the gas luminescence in load, thus light load.
Driver module 550, for receiving the control signal that control module 540 exports, and according to control signal control load.Such as, the pwm control signal of the first frequency that driver module 550 exports according to control module 540, produces alternating voltage, and exports high pressure trigger fire signal to load.
It should be noted that, in the present embodiment, the normal range value preset of the voltage of input power is for being more than or equal to 0.56V and being less than or equal to 1.89V, first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds, and the delay time preset is for being more than or equal to 13 minutes and being less than or equal to 17 minutes.
Be the application's HID electronic ballast execution mode structural representation again please continue to refer to Fig. 5, Fig. 5, see also Fig. 6, Fig. 6 is the structural representation of supply module in Fig. 5; In the present embodiment, HID electronic ballast comprises and connecting successively: supply module 510, sampling module 520, judge module 530, control module 540, driver module 550, wherein, supply module 510 comprises rectification filtering unit 511, PFC unit 512, switching power supply 513.
Being with the difference of above-mentioned execution mode, the testing result of judge module 530 also for sending according to sampling module 520, judging whether driver module 550 is lighted load after load exports high pressure trigger fire signal.Such as, the testing result received when judge module 530 is the voltage of input power is normal range value, when the operating voltage of load and operating current switch to high level by low level, and judge module 530 judging point pyrogene merit, load is lighted; The voltage of the input power received when judge module 530 is normal range value, and when the operating voltage of load and operating current are low level, judge module 530 judges loss of ignition, and load is not lighted.Judged result sends to control module 540 by judge module 530.
Control module 540 is also for receiving the judged result that judge module 530 sends, after driver module 550 exports first time trigger fire signal to load, when judged result is loss of ignition, after the second fixed time interval, control module 540 exports 14 times to driver module 550 more at the most and triggers ignition control signal.Such as, after driver module 550 exports first time trigger fire signal to load, when the judged result that control module 540 receives is for first time loss of ignition, after the second fixed time interval, control module 540 exports the pwm control signal of first frequency again to driver module, alternating voltage is produced to load output high pressure trigger fire signal to control driver module 550, until the judged result received is for light a fire successfully, control module 540 exports the pwm control signal of second frequency to driver module 550, normally works to make load.Wherein, control module 540 exports 14 pwm control signals to driver module 550 more at the most and produces alternating voltage export 14 sub-high pressure trigger fire signal to load more at the most to control driver module 550.
Control module 540 is also for receiving the judged result that judge module 530 sends, and after driver module 550 exports 14 trigger fire signal again to load, when judged result is loss of ignition, control module 540 enters complete guard mode.Such as, after driver module 550 exports 14 trigger fire signal again to load, control module 540 receive judged result still for loss of ignition time, i.e. the 15th loss of ignition, control module 540 stops the pwm control signal exporting arbitrary frequency to driver module 550, and enters complete guard mode; Now, restart after control module 540 removes complete guard mode and could normally work.
It should be noted that, in the present embodiment, the normal range value preset of the voltage of input power is for being more than or equal to 0.56V and being less than or equal to 1.89V, first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds, second fixed time interval is for being more than or equal to 55 seconds and being less than or equal to 65 seconds, and the delay time preset is for being more than or equal to 13 minutes and being less than or equal to 17 minutes.
Refer to Fig. 7, Fig. 7 is the application HID illuminator one execution mode structural representation.In the present embodiment, HID illuminator comprises HID electronic ballast 710 and load 720, and wherein, load 720 is HID.
HID electronic ballast 710 is the HID electronic ballast in above-mentioned arbitrary execution mode, specifically refers to each above-mentioned execution mode, easy in order to state, does not repeat one by one herein.
By the HID extinguished because of voltage ripple of power network is judged as thermolamp, lighting again again after HID cooling, to prevent from damaging because repeatedly triggering lighting hot HID, thus extends the useful life of HID lamp; When load is switched to another HID, by being identified as open-circuit-protection and carrying out lighting after the first Fixed Time Interval, can realize lighting HID rapidly.
In several execution modes that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiments described above is only schematic, such as, the division of described module or unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of present embodiment scheme.
In addition, each functional unit in each execution mode of the application can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
Claims (10)
1. an electrion lamp HID smart point lamp method, is characterized in that, described method comprises the steps:
Detect supply voltage (Vin), load voltage (Vlamp), load current (Ilamp);
Type and the state of load is judged according to testing result, wherein,
When supply voltage (Vin) is the normal range value preset, when load voltage (Vlamp) and load current (Ilamp) are low level, judge that load is the first load and as initial condition;
To exceed or lower than the normal range value preset when supply voltage (Vin) is switched to by normal range value, when load voltage (Vlamp) and load current (Ilamp) switch to low level by high level, judge that load is the first load and as hot;
When supply voltage (Vin) is the normal range value preset, when load voltage (Vlamp) and load current (Ilamp) switch to low level by high level, judge that load switches to the second load and as initial condition;
According to type and the state of described load, export corresponding control signal with control load, wherein,
When described load is the first load and is initial condition, export control signal immediately to export first time trigger fire signal to described first load;
When described load is the first load and is hot, after the delay time preset, export control signal to export first time trigger fire signal to described first load, wherein, described default delay time can make described load from the hot cold conditions that switches to;
When described load switches to the second load and is initial condition, after the first fixed time interval, export control signal to export first time trigger fire signal to the second load.
2. method according to claim 1, is characterized in that,
After exporting the step of first time trigger fire signal to described first load, if when detection load voltage (Vlamp) and load current (Ilamp) are low level, after the second fixed time interval, again export trigger fire signal to described first load, until detect that load voltage (Vlamp) and load current (Ilamp) switch to high level by low level, wherein, export 14 times at the most again and trigger ignition control signal;
After exporting the step of first time trigger fire signal to described second load, if when detection load voltage (Vlamp) and load current (Ilamp) are low level, after the second fixed time interval, again export trigger fire signal to the second load, until detect that load voltage (Vlamp) and load current (Ilamp) switch to high level by low level, wherein, export 14 times at the most again and trigger ignition control signal;
Described second Fixed Time Interval is greater than the first Fixed Time Interval.
3. method according to claim 2, is characterized in that,
After exporting the step of 14 ignition signals that set out again to described first load or the second load; when load voltage (Vlamp) and load current (Ilamp) being detected all still for low level, stop the control signal exporting described first load of control or the igniting of the second load triggers to enter complete guard mode.
4. method according to claim 3, is characterized in that,
After the step entering described complete guard mode, re-power to remove described complete guard mode.
5. method according to claim 4, is characterized in that,
The normal range value preset of described supply voltage (Vin) is for being more than or equal to 0.56V and being less than or equal to 1.89V;
Described first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds;
Described second fixed time interval is for being more than or equal to 55 seconds and being less than or equal to 65 seconds;
Described default delay time is for being more than or equal to 13 minutes and being less than or equal to 17 minutes;
Described control signal is pulse-width signal.
6. a HID electronic ballast, is characterized in that, described electric ballast comprises:
Supply module, sampling module, judge module, control module, driver module;
Described supply module, comprise rectification filtering unit, power factor correction unit and switching power supply, wherein, described rectification filtering unit is used for carrying out rectification, filtering to power supply, described power factor correction unit is for reducing the harmonic wave of inputted electric current, and described switching power supply is used for providing operating voltage;
Described sampling module, at least comprise the first sample port, the second sample port and the 3rd sample port, described first sample port is for detecting supply voltage, described second sample port is for detecting load voltage, 3rd sample port is for detecting load current, and testing result sends to described judge module by described sampling module;
Described judge module, for receiving the testing result that described sampling module sends, judges type and the state of load, and the type of described load and state is sent to described control module according to described testing result, wherein,
When the normal range value that supply voltage is default, when load voltage and load current are low level, judge that load is the first load and as initial condition;
To exceed or lower than the normal range value preset when supply voltage is switched to by normal range value, when load voltage and load current switch to low level by high level, judge that load is the first load and as hot;
When the normal range value that supply voltage is default, when load voltage and load current switch to low level by high level, judge that load switches to the second load and as initial condition;
Described control module, for receiving type and the state of the load that described judge module sends, according to type and the state of described load, exports corresponding control signal to make described driver module control load to driver module, wherein,
When described load is the first load and is initial condition, described control module exports control signal to described driver module immediately and exports first time trigger fire signal to make described driver module to described first load;
When described load is the first load and is hot, described control module is after the delay time preset, export control signal to described driver module and export first time trigger fire signal to make described driver module to described first load, wherein, described default delay time can make described load switch to cold conditions from hot;
When described load switches to the second load and is initial condition, described control module, after the first fixed time interval, exports first time trigger fire signal to make described driver module to the second load to described driver module output drive signal;
Described driver module, for receiving the control signal that control module exports, and according to control signal control load.
7. electric ballast according to claim 6, is characterised in that,
When described driver module to described first load export first time trigger fire signal after, if when described sampling module detection load voltage and load current are low level, described control module is after the second fixed time interval, again export control signal to described driver module and export trigger fire signal to make described driver module to described first load, until described detection module detects that load voltage and load current switch to high level by low level, wherein, described control module exports 14 times at the most again to described driver module and triggers ignition control signal;
When described driver module to described second load export first time trigger fire signal after, if when described sampling module detection load voltage and load current are low level, described control module is after the second fixed time interval, again export control signal to described driver module and export trigger fire signal to make described driver module to the second load, until described detection module detects that load voltage and load current switch to high level by low level, wherein, described control module exports 14 times at the most again to described driver module and triggers ignition control signal;
Described second Fixed Time Interval is greater than the first Fixed Time Interval.
8. electric ballast according to claim 7, is characterised in that,
When described driver module is to after described first load or the second load export 14 trigger fire signal again, when described sampling module detects that load voltage and load current are low level, described control module stops exporting the control signal of control first load or the igniting of the second load triggers to enter complete guard mode to described driver module;
When entering described complete guard mode, re-power to remove described complete guard mode.
9. electric ballast according to claim 8, is characterised in that,
The normal range value preset of described supply voltage is for being more than or equal to 0.56V and being less than or equal to 1.89V;
Described first fixed time interval is for being more than or equal to 8 seconds and being less than or equal to 12 seconds;
Described second fixed time interval is for being more than or equal to 55 seconds and being less than or equal to 65 seconds;
Described default delay time is for being more than or equal to 13 minutes and being less than or equal to 17 minutes;
Described control module is pulse-width signal to the control signal that described driver module exports.
10. a HID illuminator, is characterized in that, described illuminator comprises HID electronic ballast and HID, and wherein, described HID electronic ballast is the HID electronic ballast as described in any one as described in claim 6-9.
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| CN107683006A (en) * | 2017-08-23 | 2018-02-09 | 广路智能科技有限公司 | A kind of more staggeredly direct current HID Switching Power Supplies |
| CN109893782A (en) * | 2019-03-19 | 2019-06-18 | 深圳市声科生物医学研究院 | A kind of HIFU plant capacity source and equipment |
| CN113365394B (en) * | 2021-08-11 | 2021-12-21 | 北京金晟达生物电子科技有限公司 | LED module detection device, control terminal and signal interaction system |
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