CN102883491B - Double-light source switching illuminating lamp and working method thereof - Google Patents
Double-light source switching illuminating lamp and working method thereof Download PDFInfo
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- CN102883491B CN102883491B CN201210377898.5A CN201210377898A CN102883491B CN 102883491 B CN102883491 B CN 102883491B CN 201210377898 A CN201210377898 A CN 201210377898A CN 102883491 B CN102883491 B CN 102883491B
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Abstract
The invention provides a double-light source switching illuminating lamp and a working method thereof. The double-light source switching illuminating lamp comprises a lamp holder, a lamp cover, an installation and fixing device, a main light source, an auxiliary light source and a circuit device, wherein the lamp holder comprises a main light source socket and an auxiliary light source socket; the main light source and the auxiliary light source are in clamping connection or thread connection with the main light source socket and the auxiliary light source socket respectively and correspondingly; the circuit device comprises a ballasting start-up device, fire line and zero line electrodes which are used in an externally connected power source, and a light source switching controller; and the light source switching controller comprises a voltage-reduction anti-jamming circuit, a rectifying filter circuit, a voltage stabilization filter circuit, a voltage sampling circuit, a centralized control circuit, a main light source control and execution circuit and an auxiliary light source control and execution circuit. By the double-light source switching illuminating lamp, the automatic switching of the main and auxiliary light sources is controlled by the light source switching controller, continuous illumination is ensured, the problem of affecting the service life of the lamp due to repeated striking during the hot start of a high intensity discharge lamp and the problem of no-load power consumption when failures occur are solved, and cost and energy sources are saved.
Description
Technical field
The present invention relates to a kind of lighting, particularly relate to a kind of two light source illumination lamp fitting and the method for work thereof in same light fixture with two light sources.
Background technology
The area illumination that space is higher in the turbine block equipment room of, nuclear power plant outdoor in nuclear power plant or nuclear island etc., is the brightness ensureing illumination, generally uses high intensity discharge lamps (HID).In order to prevent because of power failures illumination, nuclear power plant is generally all equipped with at least a set of above emergency generator as diesel power generation for emergency lighting.Under normal conditions, in the lighting of high ceiling, high intensity discharge lamps (HID) is a configuration light source only.Due to the characteristic postponing to light under thermal starting state that high intensity discharge lamps (HID) is intrinsic, enable emergency generator after a loss of power when powering or recover immediately again after dispatch from foreign news agency power-off, high intensity discharge lamps (HID) restarts to light needs one-step cooling reboot time, and causes within the regular hour available without illumination.Due to the particularity in the some work place of nuclear power plant, illumination between some visual plants can not be interrupted, this just needs while high intensity discharge lamps (HID) extinguishes, and having corresponding emergency light source to substitute high intensity discharge lamps (HID) immediately provides illumination.High intensity discharge lamps (HID) thermal starting required voltage is very high, civil power or the emergent voltage Gong providing can not reach, thus high intensity discharge lamps (HID) lamp can be caused to start immediately and repeatedly to strike sparks, cause and easily damage the materials such as electrode and the adverse consequences that affects the life-span of lamp.
It is 201210082300.X that Chinese patent literature CN102612191A discloses number of patent application, name is called the two light source converted illumination lamp of the one of " two light source converted illumination lamp ", its circuit arrangement comprises light source controller, this controller flows to centralized Control circuit and processes by the current signal of sampling being converted to voltage signal by voltage comparator circuit after carrying out current sample to main light source and then carry out corresponding ON/OFF control to main light source and secondary light source, its weak point is: the circuit relative complex of light source controller, cost is higher and the manufacturing is inconvenient.
Summary of the invention
The object of the invention is: adapt to the needs to lighting requirement high field institute such as nuclear power plant, for existing lighting Problems existing, provide a kind of circuit relatively simply, two light source converted illumination lamp of lower, the working stability of cost and method of work thereof.
Technical scheme of the present invention is: of the present invention pair of light source converted illumination lamp, comprises lamp socket, lampshade, fixing device for installing, main light source, secondary light source and circuit arrangement, and above-mentioned lampshade is arranged on the below of lamp socket; Lamp socket contains main light source socket and secondary light source socket, and main light source socket and secondary light source socket are installed in the below of the lamp socket in lampshade; Main light source socket and secondary light source socket all have two supply terminals; Circuit arrangement is installed in lamp socket or is located at outside lamp socket with split type; Above-mentioned main light source and secondary light source respectively corresponding with main light source socket and secondary light source socket be electrically connected with clamping or the mode that is threaded;
Circuit arrangement comprises for the firewire electrode L of external power supply and zero wire electrode N, ballast starting drive 5a and light source switching controller 5b; Ballast starting drive 5a comprises inductance type ballast LL, trigger S and building-out capacitor C, and trigger S has input, output and zero line side; Light source switching controller 5b comprises step-down anti-jamming circuit, current rectifying and wave filtering circuit, filter circuit of pressure-stabilizing, centralized Control circuit, main light source controls executive circuit and secondary light source controls executive circuit; Step-down anti-jamming circuit has ac input end and ac output end; Current rectifying and wave filtering circuit has ac input end and DC power output end; Filter circuit of pressure-stabilizing has power end, earth terminal and output end of pressure-stabilizing; Centralized Control circuit comprises single-chip microcomputer IC1; Main light source controls executive circuit and comprises solid-state relay J1, and solid-state relay J1 has moving contact, normally closed static contact J1-1 and Chang Kai static contact J1-2; Secondary light source controls executive circuit and comprises solid-state relay J2, solid-state relay J2 has moving contact, normally closed static contact J2-1 and Chang Kai static contact J2-2, and secondary light source control executive circuit has DC power supply terminal, control signal input, live wire incoming end and live wire and picks out end; Above-mentioned ac input end and ac output end all have live wire end and zero line side 2 links; Above-mentioned DC power output end has positive pole and negative pole 2 links;
The ac input end of step-down anti-jamming circuit by its live wire end and zero line side respectively with the firewire electrode L of circuit arrangement with zero wire electrode N is corresponding is electrically connected; The ac output end of step-down anti-jamming circuit by its live wire end and zero line side respectively with the live wire end of the ac input end of current rectifying and wave filtering circuit with zero line side is corresponding is electrically connected;
The power end of filter circuit of pressure-stabilizing is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit; The earth terminal of filter circuit of pressure-stabilizing is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit; Its design feature is:
The ballast starting drive 5a of above-mentioned circuit arrangement has live wire end, zero line side, power output end and sampled voltage output; The input of inductance type ballast LL is electrically connected with one end of building-out capacitor C and forms a common junction, and this common junction is the live wire end of ballast starting drive 5a; The output of inductance type ballast LL and the input of trigger S form a common junction because of conllinear, this common junction is the sampled voltage output of ballast starting drive 5a; The output of trigger S is the power output end of ballast starting drive 5a; The zero line side of trigger S and the other end of building-out capacitor C form a common junction because of conllinear, this common junction is the zero line side of ballast starting drive 5a; The power output end of ballast starting drive 5a is electrically connected with terminals of main light source socket; The zero line side of ballast starting drive 5a is electrically connected with another terminals of main light source socket and zero wire electrode N;
The light source switching controller 5b of above-mentioned circuit arrangement also comprises voltage sampling circuit; Voltage sampling circuit has sampled voltage input, zero line side, power end, earth terminal and sampled voltage signal output part; Above-mentioned centralized Control circuit has power end, earth terminal, sampled voltage signal input part, the first control signal output and the second control signal output; Main light source control executive circuit has DC power supply terminal, control signal input, live wire incoming end and live wire and picks out end;
The sampled voltage input of voltage sampling circuit is electrically connected with the sampled voltage output of above-mentioned ballast starting drive 5a; The zero line side of voltage sampling circuit is electrically connected with the zero wire electrode N of circuit arrangement; The power end of voltage sampling circuit is electrically connected with the output end of pressure-stabilizing of filter circuit of pressure-stabilizing; The earth terminal of voltage sampling circuit is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit;
The power end of centralized Control circuit is electrically connected with the output end of pressure-stabilizing of filter circuit of pressure-stabilizing; The earth terminal of centralized Control circuit is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit; The sampled voltage signal input part of centralized Control circuit is electrically connected with the sampled voltage signal output part of voltage sampling circuit;
Main light source controls the DC power supply terminal of executive circuit and is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit; Main light source controls the control signal input of executive circuit and is electrically connected with the first control signal output of centralized Control circuit; Main light source controls the live wire incoming end of executive circuit and is electrically connected with the firewire electrode L of circuit arrangement; The live wire of main light source control executive circuit picks out end and is electrically connected with the live wire end of aforesaid ballast starting drive 5a;
Secondary light source controls the DC power supply terminal of executive circuit and is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit; Secondary light source controls the control signal input of executive circuit and is electrically connected with the second control signal output of centralized Control circuit; The live wire incoming end that secondary light source controls executive circuit is electrically connected with firewire electrode L; The live wire of secondary light source control executive circuit picks out end and helps light source socket terminals to be electrically connected with defeated; Defeated another terminals of light source socket that help are electrically connected with the zero wire electrode N of circuit arrangement.
Further scheme is: the voltage sampling circuit of above-mentioned light source switching controller 5b comprises photoelectrical coupler OC, three end adjustable shunt reference source T2, Zener diode DZ2, diode D6, electrochemical capacitor C8, electrochemical capacitor C9, electrochemical capacitor C10, electric capacity C11, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12 and resistance R13; The positive pole of diode D6 is the sampled voltage input of voltage sampling circuit; The negative pole of diode D6, one end of resistance R7, one end of resistance R9 and the positive pole conllinear of electrochemical capacitor C9; One end conllinear of the other end of resistance R7, the negative pole of Zener diode DZ2, the positive pole of electrochemical capacitor C8, one end of resistance R8 and resistance R11; The negative pole of electrochemical capacitor C9 is electrically connected with the positive pole of electrochemical capacitor C10; One end of the other end of resistance R9, one end of resistance R10, electric capacity C11 and the reference pole conllinear of three end adjustable shunt reference source T2; The negative electrode of three end adjustable shunt reference source T2 is connected with the negative electricity of the light emitting diode of photoelectrical coupler OC; The positive pole of the light emitting diode of photoelectrical coupler OC is electrically connected with the other end of resistance R11; The colelctor electrode of the triode of photoelectrical coupler OC is electrically connected with one end of resistance R12; The other end of resistance R12 is the earth terminal that the voltage sampling circuit other end is voltage sampling circuit; The anode of the other end of the positive pole of Zener diode DZ2, the negative pole of electrochemical capacitor C8, resistance R8, the negative pole of electrochemical capacitor C10, the other end of resistance R10, the other end of electric capacity C11 and three end adjustable shunt reference source T2 forms a common junction because of conllinear, this common junction is the zero line side of voltage sampling circuit.
Further scheme is: above-mentioned main light source is metal halide lamp, and above-mentioned secondary light source is halogen tungsten lamp or incandescent lamp.
Further scheme is: above-mentioned fixing device for installing is ceiling type, derrick type, chain sling formula or suction wall type fixture.
A method of work for above-mentioned two light source converted illumination lamps, is characterized in that: comprise the following steps:
The first step: two light source converted illumination lamp connects electricity, two light source switching controller 5b of circuit arrangement start working, 220V alternating current is reduced to 12V alternating current by the step-down anti-jamming circuit of two light source switching controller 5b, current rectifying and wave filtering circuit becomes 12V direct current by after the filtering of 12V AC rectification, and the single-chip microcomputer IC1 that the direct current exporting 5V after the 12V direct current that current rectifying and wave filtering circuit exports by filter circuit of pressure-stabilizing carries out voltage regulation filtering is centralized Control circuit provides working power; Meanwhile, the voltage sampling circuit of two light source switching controller 5b carries out voltage acquisition, and when the voltage gathered is greater than 180V, voltage sampling circuit exports high level signal to centralized Control circuit; When the voltage gathered is less than or equal to 180V, voltage sampling circuit is to centralized Control circuit output low level signal;
Second step: when the sampled voltage signal input part of centralized Control circuit receives low level signal, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit judges that main light source is in cold start and working properly, centralized Control circuit controls executive circuit to secondary light source and sends control instruction, and moving contact secondary light source being controlled the solid-state relay J2 of executive circuit is changed into by being in the state be connected with normally closed static contact J2-1 and often being opened static contact J2-2 and be connected thus light secondary light source; The single-chip microcomputer IC1 of centralized Control circuit starts timing in 10 minutes simultaneously, when timing reaches 10 minutes, centralized Control circuit controls executive circuit to secondary light source and sends control instruction, moving contact secondary light source being controlled the solid-state relay J2 of executive circuit is by being in and often opening the be connected state that makes secondary light source light of static contact J2-2 and change into the state that the moving contact of solid-state relay J2 and normally closed static contact J2-1 be connected, thus extinguishing secondary light source, now main light source entered normal illumination state by the state of starting light after 10 minutes, provided illumination by main light source;
3rd step: when the sampled voltage signal input part of centralized Control circuit receives high level signal, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit judges that main light source is now in thermal starting state or malfunction, the single-chip microcomputer IC1 of centralized Control circuit starts timing in 10 minutes, centralized Control circuit controls executive circuit and secondary light source to main light source and controls executive circuit and send control instruction: moving contact main light source being controlled the solid-state relay J1 of executive circuit is changed into by being in the state be connected with normally closed static contact J1-1 and often opening state that static contact J1-2 is connected to disconnect the power supply of main light source, moving contact secondary light source being controlled the solid-state relay J2 of executive circuit is changed into by being in the state be connected with normally closed static contact J2-1 and often being opened static contact J2-2 and be connected and light secondary light source, now provides illumination by secondary light source,
When the timing in 10 minutes of the single-chip microcomputer IC1 of centralized Control circuit arrives, centralized Control circuit again controls executive circuit to main light source according to program of establishing in single-chip microcomputer IC1 and sends control instruction, moving contact main light source being controlled the solid-state relay J1 of executive circuit is by being in and often opening state that static contact J1-2 is connected and again change into the state be connected with normally closed static contact J1-1 and recover to power to main light source, if now the sampled voltage signal input part of centralized Control circuit receives the low level signal of voltage sampling circuit transmission, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit judges that main light source now becomes cold start and working properly from thermal starting state, subsequent action is identical with above-mentioned second step,
When the timing in 10 minutes of the single-chip microcomputer IC1 of centralized Control circuit arrives, if the sampled voltage signal input part of centralized Control circuit still receives the high level signal of voltage sampling circuit transmission, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit judges that main light source breaks down; Centralized Control circuit controls executive circuit and secondary light source according to program of establishing in single-chip microcomputer IC1 to main light source and controls executive circuit and send control instruction: moving contact main light source being controlled the solid-state relay J1 of executive circuit is changed into by being in the state be connected with normally closed static contact J1-1 and often opening state that static contact J1-2 is connected to disconnect the power supply of main light source; Make the moving contact of the solid-state relay J2 of secondary light source control executive circuit and often open static contact J2-2 to keep connection to make secondary light source 42 Chang Liang, provided by secondary light source always and substitute illumination; Until main light source failture evacuation.
The good effect that the present invention has is: (1) is automatically switched under the control of light source switching controller by main and auxiliary two light sources, uninterrupted to ensure the illumination of the workplace that illumination can not be interrupted.(2) under thermal starting state, its power supply is cut off by high intensity discharge lamps (HID), after its cooling, again recover its power supply, solve high intensity discharge lamps (HID) under thermal starting state, repeat the life problems that sparking affects lamp.(3) solve unloaded power consumption problem when Metal halogen lamp breaks down, save the energy.(4) compared to prior art, circuit of the present invention is relatively simple, cost is lower, good operating stability.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of of the present invention pair of light source converted illumination lamp;
Fig. 2 is the circuit block diagram of of the present invention pair of light source converted illumination lamp;
Fig. 3 is the electrical schematic diagram of the two light source converted illumination lamps shown in Fig. 2.
Reference numeral implication in above-mentioned accompanying drawing is as follows:
Lamp socket 1, main light source socket 11, secondary light source socket 12,
Lampshade 2, fixing device for installing 3,
Main light source 41, secondary light source 42.
Circuit arrangement 5, ballast starting drive 5a, firewire electrode L, zero wire electrode N,
Light source switching controller 5b, step-down anti-jamming circuit 51, current rectifying and wave filtering circuit 52, filter circuit of pressure-stabilizing 53, voltage sampling circuit 54, centralized Control circuit 55, main light source controls executive circuit 56, and secondary light source controls executive circuit 57.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
(embodiment 1)
See Fig. 1, two light source converted illumination lamps of the present embodiment, comprise lamp socket 1, lampshade 2, fixing device for installing 3, main light source 41, secondary light source 42 and circuit arrangement 5.Lamp socket 1 is provided with main light source socket 11 and secondary light source socket 12; Main light source socket 11 and secondary light source socket 12 are installed on the lamp socket 1 in lampshade 2, and are positioned at the below of lamp socket 1.Main light source socket 11 and secondary light source socket 12 all have two supply terminals.Main light source 41 and secondary light source 42 respectively corresponding with main light source socket 11 and secondary light source socket 12 be electrically connected with clamping or the mode that is threaded.
Lampshade 2 is arranged on the below of lamp socket 1, and lampshade 2 can be arranged to and integral of lamp socket 1, also can be split type with lamp socket 1 and is connected with lamp socket 1 is fixed or movable.
Fixing device for installing 3 is connected on lamp socket 1, for the installation of light fixture, can be arranged to according to the needs of environment for use the ceiling type, the derrick type that are positioned at above lamp socket 1 or hang chain structure, also can be arranged to the suction wall type of the side being positioned at lamp socket 1.
Circuit arrangement 5 is installed in lamp socket 1, also can with the form of special electrical box and light fixture partial installation.
See Fig. 2, circuit arrangement 5 comprises ballast starting drive 5a, firewire electrode L, zero wire electrode N and light source switching controller 5b.Firewire electrode L and zero wire electrode N are for being connected external ac power source.
See Fig. 3, ballast starting drive 5a has live wire end, zero line side, power output end and sampled voltage output, and ballast starting drive 5a is made up of inductance type ballast LL, trigger S and building-out capacitor C.Trigger S has input, output and zero line side, is preferably CD-7H in model the present embodiment of trigger S.The input of inductance type ballast LL is electrically connected with one end of building-out capacitor C and forms a common junction, and this common junction is the live wire end of ballast starting drive 5a; The output of inductance type ballast LL and the input of trigger S form a common junction because of conllinear, this common junction is the sampled voltage output of ballast starting drive 5a; The output of trigger S is the power output end of ballast starting drive 5a; The zero line side of trigger S and the other end of building-out capacitor C form a common junction because of conllinear, this common junction is the zero line side of ballast starting drive 5a.The power output end of ballast starting drive 5a is electrically connected with terminals of main light source socket 11; The zero line side of ballast starting drive 5a is electrically connected with another terminals of main light source socket 11 and zero wire electrode N.
Aforesaid light source switching controller 5b controls executive circuit 57 by step-down anti-jamming circuit 51, current rectifying and wave filtering circuit 52, filter circuit of pressure-stabilizing 53, voltage sampling circuit 54, centralized Control circuit 55, main light source control executive circuit 56 and secondary light source and forms.
Step-down anti-jamming circuit 51 has ac input end and ac output end.Current rectifying and wave filtering circuit 52 has ac input end and DC power output end.Filter circuit of pressure-stabilizing 53 has power end, earth terminal and output end of pressure-stabilizing.Voltage sampling circuit 54 has sampled voltage input, zero line side, power end, earth terminal and sampled voltage signal output part.Centralized Control circuit 55 has power end, earth terminal, sampled voltage signal input part, the first control signal output and the second control signal output.Main light source control executive circuit 56 has DC power supply terminal, control signal input, live wire incoming end and live wire and picks out end; Secondary light source control executive circuit 57 has DC power supply terminal, control signal input, live wire incoming end and live wire and picks out end; Above-mentioned ac input end and ac output end all have live wire end and zero line side 2 links.Above-mentioned DC power output end has positive pole and negative pole 2 links.
The ac input end of step-down anti-jamming circuit 51 by its live wire end and zero line side respectively with the firewire electrode L of circuit arrangement 5 with zero wire electrode N is corresponding is electrically connected; The ac output end of step-down anti-jamming circuit 51 by its live wire end and zero line side respectively with the live wire end of the ac input end of current rectifying and wave filtering circuit 52 with zero line side is corresponding is electrically connected.
The power end of filter circuit of pressure-stabilizing 53 is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit 52; The earth terminal of filter circuit of pressure-stabilizing 53 is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit 52.
The sampled voltage input of voltage sampling circuit 54 is electrically connected with the sampled voltage output of aforesaid ballast starting drive 5a; The zero line side of voltage sampling circuit 54 is electrically connected with the zero wire electrode N of circuit arrangement 5; The power end of voltage sampling circuit 54 is electrically connected with the output end of pressure-stabilizing of filter circuit of pressure-stabilizing 53; The earth terminal of voltage sampling circuit 54 is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit 52.
The power end of centralized Control circuit 55 is electrically connected with the output end of pressure-stabilizing of filter circuit of pressure-stabilizing 53; The earth terminal of centralized Control circuit 55 is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit 52; The sampled voltage signal input part of centralized Control circuit 55 is electrically connected with the sampled voltage signal output part of voltage sampling circuit 54.
The DC power supply terminal that main light source controls executive circuit 56 is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit 52; Main light source controls the control signal input of executive circuit 56 and is electrically connected with the first control signal output of centralized Control circuit 55; Main light source controls the live wire incoming end of executive circuit 56 and is electrically connected with the firewire electrode L of circuit arrangement 5; The live wire of main light source control executive circuit 56 picks out end and is electrically connected with the live wire end of aforesaid ballast starting drive 5a.
The DC power supply terminal that secondary light source controls executive circuit 57 is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit 52; Secondary light source controls the control signal input of executive circuit 57 and is electrically connected with the second control signal output of centralized Control circuit 55; Secondary light source controls the live wire incoming end of executive circuit 57 and is electrically connected with the firewire electrode L of circuit arrangement 5; The live wire of secondary light source control executive circuit 57 picks out end and helps light source socket 12 terminals to be electrically connected with defeated; Defeated another terminals of light source socket 12 that help are electrically connected with the zero wire electrode N of circuit arrangement 5.
See Fig. 2 and Fig. 3, the step-down anti-jamming circuit 51 of light source switching controller 5b is made up of resistance R1, piezo-resistance RU, inductance L 1, electric capacity C1, electric capacity C2 and the first protective tube FU1.Wherein, inductance L 1 and electric capacity C1 form anti-jamming circuit; Resistance R1 and electric capacity C2 forms reduction voltage circuit.One end of piezo-resistance RU is electrically connected with one end of inductance L 1 and forms a common junction, and this common junction is the live wire end of the ac input end of step-down anti-jamming circuit 51; The other end of inductance L 1, one end of electric capacity C1, one end of electric capacity C2 and one end conllinear of resistance R1; The other end of electric capacity C2 is electrically connected with the other end of resistance R1 and forms a common junction, and this common junction is the live wire end of the ac output end of step-down anti-jamming circuit 51; One end conllinear of the other end of piezo-resistance RU, the other end of electric capacity C1 and the first protective tube FU1 and form a common junction, this common junction is the zero line side of the ac input end of step-down anti-jamming circuit 51; The other end of the first protective tube FU1 is the zero line side of the ac output end of step-down anti-jamming circuit 51.
The current rectifying and wave filtering circuit 52 of light source switching controller 5b is made up of diode D1, diode D2, diode D3, diode D4, electrochemical capacitor C3, electric capacity C4 and resistance R2.Wherein, 4 diodes D1, D2, D3 and D4 form full-wave bridge rectifier circuit, and electrochemical capacitor C3, electric capacity C4 and resistance R2 form filter circuit.The negative pole of diode D3 is electrically connected with the positive pole of diode D1 and forms a common junction, and this common junction is the live wire end of the ac input end of current rectifying and wave filtering circuit 52; The negative pole of diode D4 is electrically connected with the positive pole of diode D2 and forms a common junction, and this common junction is the zero line side of the ac input end of current rectifying and wave filtering circuit 52; The negative pole of diode D1 is connected with the negative electricity of diode D2 and forms a common junction, and this common junction is the positive pole of the DC output end of current rectifying and wave filtering circuit 52; The positive pole of diode D3 is electrically connected with the positive pole of diode D4 and forms a common junction, and this common junction is the negative pole of the DC output end of current rectifying and wave filtering circuit 52; Between the positive pole that electrochemical capacitor C3, electric capacity C4 and resistance R2 are all connected in parallel on the DC output end of current rectifying and wave filtering circuit 52 and negative pole.
The filter circuit of pressure-stabilizing 53 of light source switching controller 5b is made up of resistance R3, resistance R4, resistance R5, resistance R6, electrochemical capacitor C5, electric capacity C6, electric capacity C7, diode D5, Zener diode DZ1 and three end adjustable shunt reference source T1.Wherein, resistance R3 and Zener diode DZ1 forms first order mu balanced circuit, diode D5, electrochemical capacitor C5 and electric capacity C6 form filter circuit, and resistance R4, three end adjustable shunt reference source T1, electric capacity C7, resistance R5 and resistance R6 form second level accurate voltage-stabilizing circuit.Three end adjustable shunt reference source T1 have anode, negative electrode and reference pole.In the present embodiment, the preferred model of three end adjustable shunt reference source T1 is the integrated circuit of TL431.One end of resistance R3 is the power end of filter circuit of pressure-stabilizing 53; The negative pole conllinear of the other end of resistance R3, the positive pole of diode D5 and Zener diode DZ1; The negative pole of diode D5, the positive pole of electrochemical capacitor C5, one end of electric capacity C6 and one end conllinear of resistance R4; The negative electrode conllinear of the other end of resistance R4, one end of resistance R5 and three end adjustable shunt reference source T1 and form a common junction, this common junction is the output end of pressure-stabilizing of filter circuit of pressure-stabilizing 53; One end of the other end of resistance R5, one end of resistance R6, electric capacity C7 and the reference pole conllinear of three end adjustable shunt reference source T1; The other end of the positive pole of Zener diode DZ1, the negative pole of electrochemical capacitor C5, electric capacity C6, the positive pole of three end adjustable shunt reference source T1, the other end of electric capacity C7 and the other end conllinear of resistance R6 and form a common junction, this common junction is the earth terminal of filter circuit of pressure-stabilizing 53.
The voltage sampling circuit 54 of light source switching controller 5b is made up of photoelectrical coupler OC, three end adjustable shunt reference source T2, Zener diode DZ2, diode D6, electrochemical capacitor C8, electrochemical capacitor C9, electrochemical capacitor C10, electric capacity C11, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12 and resistance R13.The positive pole of diode D6 is the sampled voltage input of voltage sampling circuit 54; The negative pole of diode D6, one end of resistance R7, one end of resistance R9 and the positive pole conllinear of electrochemical capacitor C9; One end conllinear of the other end of resistance R7, the negative pole of Zener diode DZ2, the positive pole of electrochemical capacitor C8, one end of resistance R8 and resistance R11; The negative pole of electrochemical capacitor C9 is electrically connected with the positive pole of electrochemical capacitor C10; One end of the other end of resistance R9, one end of resistance R10, electric capacity C11 and the reference pole conllinear of three end adjustable shunt reference source T2; The negative electrode of three end adjustable shunt reference source T2 is connected with the negative electricity of the light emitting diode of photoelectrical coupler OC; The positive pole of the light emitting diode of photoelectrical coupler OC is electrically connected with the other end of resistance R11; The colelctor electrode of the triode of photoelectrical coupler OC is electrically connected with one end of resistance R12; The other end of resistance R12 is the power end of voltage sampling circuit 54; The emitter-base bandgap grading of the triode of photoelectrical coupler OC and one end conllinear of resistance R13 and form a common junction, this common junction is the sampled voltage signal output part of voltage sampling circuit 54; The other end of resistance R13 is the earth terminal of voltage sampling circuit 54; The anode of the other end of the positive pole of Zener diode DZ2, the negative pole of electrochemical capacitor C8, resistance R8, the negative pole of electrochemical capacitor C10, the other end of resistance R10, the other end of electric capacity C11 and three end adjustable shunt reference source T2 forms a common junction because of conllinear, this common junction is the zero line side of voltage sampling circuit 54.
The centralized Control circuit 55 of light source switching controller 5b is made up of single-chip microcomputer IC1, triode Q1, triode Q2, resistance R14 and resistance R15.Triode Q1 and triode Q2 is negative-positive-negative transistor.
Single-chip microcomputer IC1 has power end, earth terminal, input, the first output and the second output.In the present embodiment, the single-chip microcomputer integrated circuit of the preferred model of single-chip microcomputer IC1 to be the single-chip microcomputer integrated circuit of PIC12C508 or model be 501B.Single-chip microcomputer integrated circuit PIC12C508 has 8 wiring pins, and 1 pin of PIC12C508 is vdd terminal, as power end in the present embodiment; 8 pin of PIC12C508 are Vss end, as earth terminal in the present embodiment; 4 pin of PIC12C508 are input or reset terminal, are set to input in the present embodiment; 2 pin of PIC12C508,3 pin, 5 pin, 6 pin and 7 pin are I/O end, and in the present embodiment, 5 pin are arranged to the first output, and 6 pin are arranged to the second output, and 2 pin, 3 pin and 7 pin are all unsettled.Integrated circuit 501B also has 8 wiring pins, the port of each pin and each foot mouth of integrated circuit PIC12C508 similar.
Power end 1 pin of single-chip microcomputer IC1 is the power end of centralized Control circuit 55; Input 4 pin of single-chip microcomputer IC1 is the sampled voltage signal input part of centralized Control circuit 55; First output 5 pin of single-chip microcomputer IC1 is electrically connected with the base stage of triode Q1 through resistance R14, and the colelctor electrode of triode Q1 is the first control signal output of centralized Control circuit 55; Second output 6 pin of single-chip microcomputer IC1 is electrically connected with the base stage of triode Q2 through resistance R15; The colelctor electrode of triode Q2 is the second control signal output of centralized Control circuit 55; Earth terminal 8 pin of single-chip microcomputer IC1, the emitter-base bandgap grading of triode Q1 and the emitter-base bandgap grading conllinear of triode Q2 and form a common junction, this common junction is the earth terminal of centralized Control circuit 55.
The voltage sampling circuit 54 of light source switching controller 5b carries out voltage sample from the output of the inductance type ballast LL of the ballast starting drive 5a of main light source 41, because the input of inductance type ballast LL is directly connected with alternating current 220V voltage, the voltage being not less than about 40V is consumed through inductance type ballast LL, the pressure drop when main light source normally works on it of the voltage of the sampled voltage signal output part of its output i.e. ballast starting drive 5a is generally about 140V, voltage sampling circuit 54 in the present embodiment with magnitude of voltage 180V for critical value designs, the resistance value value of resistance R9 is 510K Ω, the resistance value value of resistance R10 is 5.1K Ω, three end adjustable shunt reference source T2 of TL431 type by the conducting trigger voltage value inputted with reference to pole for being greater than 2.5V time conducting, end when being less than or equal to 2.5V.When sample voltage value is greater than 180V, pressure drop on resistance R10 is greater than 2.5V, also the voltage that namely reference of three end adjustable shunt reference source T2 is extremely gone up is greater than 2.5V makes its conducting, three end adjustable shunt reference source T2 conductings thus make photoelectrical coupler OC conducting, thus make the sampled voltage signal output part of voltage sampling circuit 54 export high level to centralized Control circuit 55; When sample voltage value is less than or equal to 180V, the voltage that the reference of three end adjustable shunt reference source T2 is extremely gone up is less than or equal to 2.5V makes it end, also make photoelectrical coupler OC end, thus make the sampled voltage signal output part of voltage sampling circuit 54 to centralized Control circuit 55 output low level.After the high level that the sampled voltage signal output part of centralized Control circuit 55 receiver voltage sample circuit 54 exports or low level sampled voltage signal, the single-chip microcomputer IC1 of centralized Control circuit 55 processes accordingly according to interior program of establishing.
The main light source of light source switching controller 5b controls executive circuit 56 and is made up of solid-state relay J1 and reverse protection diode D7.Solid-state relay J1 has moving contact, normally closed static contact J1-1 and Chang Kai static contact J1-2.The terminals of the moving contact of solid-state relay J1 are the live wire incoming end that main light source controls executive circuit 56; The terminals of the normally closed static contact J1-1 of solid-state relay J1 are the live wire that main light source controls executive circuit 56 and pick out end; The terminals often opening static contact J1-2 of solid-state relay J1 are unsettled; Terminals of the actuating coil of solid-state relay J1 are connected with the negative electricity of diode D7 and form a common junction, and this common junction is the DC power supply terminal that main light source controls executive circuit 56; Another terminals of the actuating coil of solid-state relay J1 are electrically connected with the positive pole of diode D7 and form a common junction, and this common junction is the control signal input that main light source controls executive circuit 56.
The secondary light source of light source switching controller 5b controls executive circuit 57 and is made up of the second protective tube FU2, solid-state relay J2 and reverse protection diode D8.Solid-state relay J2 has moving contact, normally closed static contact J2-1 and Chang Kai static contact J2-2.One end of second protective tube FU2 is the live wire incoming end that secondary light source controls executive circuit 57; The other end of the second protective tube FU2 is electrically connected with the terminals of the moving contact of solid-state relay J2; The terminals often opening static contact J2-2 of solid-state relay J2 are the live wire that secondary light source controls executive circuit 57 and pick out end; The terminals of the normally closed static contact J2-1 of solid-state relay J2 are unsettled.Terminals of the actuating coil of solid-state relay J2 are connected with the negative electricity of diode D8 and form a common junction, and this common junction is the DC power supply terminal that secondary light source controls executive circuit 57; Another terminals of the actuating coil of solid-state relay J2 are electrically connected with the positive pole of diode D8 and form a common junction, and this common junction is the control signal input that secondary light source controls executive circuit 57.
In the present embodiment, main light source 41 preferable alloy halide lamp, is called for short Metal halogen lamp; Secondary light source 42 selects halogen tungsten lamp or incandescent lamp, also can be that other are suitable for the lighting source of 220V alternating current, secondary light source 42 preferably halogen tungsten lamp in the present embodiment.Main light source 41 is the P1 in Fig. 3, and secondary light source 42 is the P2 in Fig. 3.In the present embodiment, the preferred loose happy board SRD-12VDC-SL-C of model of the preferred 7D471 of piezo-resistance RU model, solid-state relay J1 and J2, the preferred 2A/250V of the second protective tube FU2 technical parameter, the preferred 0.5A/250V of the first protective tube FU1 technical parameter.
The voltage signal that centralized Control circuit 55 in the light source switching controller 5b of two light source converted illumination lamps of the present embodiment has according to detecting carries out controlling and timing controlled two ore control function, and it controls executive circuit 56 by main light source and secondary light source controls executive circuit 57 pairs of main light sources 41 and secondary light source 42 is implemented to control.The time-controlled time of centralized Control circuit 55 can be selected according to need within the scope of 6 to 15 minutes, by arranging in advance in the pre-set programs of single-chip microcomputer IC1, selected the timing controlled time to be 10 minutes in the present embodiment.When main light source 41 normally starts and works, its pressure drop is generally less than or equals 180V, the sampled voltage signal of centralized Control circuit 55 receiver voltage sample circuit 54 transmission, the single-chip microcomputer IC1 of centralized Control circuit 55 implements to control to main light source 41 and secondary light source 42 according to sending corresponding control signal after the program process preset.
The method of work of two light source converted illumination lamps of the present embodiment comprises the following steps:
The first step: two light source converted illumination lamp connects electricity, two light source switching controller 5b of circuit arrangement 5 start working, 220V alternating current is reduced to 12V alternating current by the step-down anti-jamming circuit 51 of two light source switching controller 5b, current rectifying and wave filtering circuit 52 becomes 12V direct current by after the filtering of 12V AC rectification, and the single-chip microcomputer IC1 that the direct current exporting 5V after the 12V direct current that current rectifying and wave filtering circuit 52 exports by filter circuit of pressure-stabilizing 53 carries out voltage regulation filtering is centralized Control circuit 55 provides working power; Meanwhile, the voltage sampling circuit 54 of two light source switching controller 5b carries out voltage acquisition, and when the voltage gathered is greater than 180V, voltage sampling circuit 54 exports high level signal to centralized Control circuit 55; When the voltage gathered is less than or equal to 180V, voltage sampling circuit 54 is to centralized Control circuit 55 output low level signal;
Second step: when the sampled voltage signal input part of centralized Control circuit 55 receives low level signal, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit 55 judges that main light source 41 is in cold start and working properly, centralized Control circuit 55 controls executive circuit 57 to secondary light source and sends control instruction, and moving contact secondary light source being controlled the solid-state relay J2 of executive circuit 57 is changed into by being in the state be connected with normally closed static contact J2-1 and often being opened static contact J2-2 and be connected thus light secondary light source 42, the single-chip microcomputer IC1 of centralized Control circuit 55 starts timing in 10 minutes simultaneously, when timing reaches 10 minutes, centralized Control circuit 55 controls executive circuit 57 to secondary light source and sends control instruction, moving contact secondary light source being controlled the solid-state relay J2 of executive circuit 57 is by being in and often opening the be connected state that makes secondary light source 42 light of static contact J2-2 and change into the state that the moving contact of solid-state relay J2 and normally closed static contact J2-1 be connected, thus extinguish secondary light source 42, now main light source 41 entered normal illumination state by the state of starting light after 10 minutes, illumination is provided by main light source 41,
3rd step: when the sampled voltage signal input part of centralized Control circuit 55 receives high level signal, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit 55 judges that main light source 41 is now in thermal starting state or malfunction, the single-chip microcomputer IC1 of centralized Control circuit 55 starts timing in 10 minutes, centralized Control circuit 55 controls executive circuit 56 and secondary light source to main light source and controls executive circuit 57 and send control instruction: moving contact main light source being controlled the solid-state relay J1 of executive circuit 56 is changed into by being in the state be connected with normally closed static contact J1-1 and often opening state that static contact J1-2 is connected to disconnect the power supply of main light source 41, moving contact secondary light source being controlled the solid-state relay J2 of executive circuit 57 is changed into by being in the state be connected with normally closed static contact J2-1 and often being opened static contact J2-2 and be connected and light secondary light source 42, now provides illumination by secondary light source 42,
When the timing in 10 minutes of the single-chip microcomputer IC1 of centralized Control circuit 55 arrives, centralized Control circuit 55 again controls executive circuit 56 to main light source according to program of establishing in single-chip microcomputer IC1 and sends control instruction, moving contact main light source being controlled the solid-state relay J1 of executive circuit 56 is by being in and often opening state that static contact J1-2 is connected and again change into the state be connected with normally closed static contact J1-1 and recover to power to main light source 41, if now the sampled voltage signal input part of centralized Control circuit 55 receives the low level signal that voltage sampling circuit 54 transmits, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit 55 judges that main light source 41 now becomes cold start and working properly from thermal starting state, subsequent action is identical with described second step,
When the timing in 10 minutes of the single-chip microcomputer IC1 of centralized Control circuit 55 arrives, if the sampled voltage signal input part of centralized Control circuit 55 still receives the high level signal that voltage sampling circuit 54 transmits, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit 55 judges that main light source 41 breaks down; Centralized Control circuit 55 controls executive circuit 56 and secondary light source according to program of establishing in single-chip microcomputer IC1 to main light source and controls executive circuit 57 and send control instruction: moving contact main light source being controlled the solid-state relay J1 of executive circuit 56 is changed into by being in the state be connected with normally closed static contact J1-1 and often opening state that static contact J1-2 is connected to disconnect the power supply of main light source 41; Make the moving contact of the solid-state relay J2 of secondary light source control executive circuit 57 and often open static contact J2-2 to keep connection to make secondary light source 42 Chang Liang, provided by secondary light source 42 always and substitute illumination; Until main light source 41 failture evacuation.
Two light source converted illumination lamps of the present embodiment, automatically switched under the control of light source switching controller 5b by main and auxiliary two light sources, the illumination of workplace that ensure that throws light on can not interrupt is uninterrupted, the problem such as zero load power consumption when the life-span that also solving strikes sparks when Metal halogen lamp again recovers its power supply under thermal starting state simultaneously again affect lamp and Metal halogen lamp break down; And compared to prior art, two light source converted illumination circuit for lamp of this enforcement are relatively simple, cost is lower, good operating stability.
In the present embodiment, it is that main light source directly switches on power by the normally closed stationary contact of solid-state relay J1 that main light source controls executive circuit 56, and solid-state relay J1 is except thermal starting or malfunction appear in main light source 41, and other all do not need adhesive, thus can circuit power consumption be reduced, improve relay life; Further, if under the inoperable situation of unexpected dead electricity appears in light source switching controller 5b, due to the direct-connected civil power of main light source 41, still can work on and illumination is provided; Thus improve the functional reliability of two light source illuminating lamps of the present embodiment.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present invention.
Claims (4)
1. a two light source converted illumination lamp, comprise lamp socket (1), lampshade (2), fixing device for installing (3), main light source (41), secondary light source (42) and circuit arrangement (5), described lampshade (2) is arranged on the below of lamp socket (1); Lamp socket (1) is containing main light source socket (11) and secondary light source socket (12), and main light source socket (11) and secondary light source socket (12) are installed in the below of the lamp socket (1) in lampshade (2); Main light source socket (11) and secondary light source socket (12) all have two supply terminals; Circuit arrangement (5) is installed in lamp socket (1) or is located at lamp socket (2) outward with split type; Described main light source (41) and secondary light source (42) respectively corresponding with main light source socket (11) and secondary light source socket (12) be electrically connected with clamping or the mode that is threaded;
Circuit arrangement (5) comprises firewire electrode L for external power supply and zero wire electrode N, ballast starting drive (5a) and light source switching controller (5b); Ballast starting drive (5a) comprises inductance type ballast LL, trigger S and building-out capacitor C, and trigger S has input, output and zero line side; Light source switching controller (5b) comprises step-down anti-jamming circuit (51), current rectifying and wave filtering circuit (52), filter circuit of pressure-stabilizing (53), centralized Control circuit (55), main light source controls executive circuit (56) and secondary light source controls executive circuit (57); Step-down anti-jamming circuit (51) has ac input end and ac output end; Current rectifying and wave filtering circuit (52) has ac input end and DC power output end; Filter circuit of pressure-stabilizing (53) has power end, earth terminal and output end of pressure-stabilizing; Centralized Control circuit (55) comprises single-chip microcomputer IC1; Main light source controls executive circuit (56) and comprises solid-state relay J1, and solid-state relay J1 has moving contact, normally closed static contact J1-1 and Chang Kai static contact J1-2; Secondary light source controls executive circuit 57 and comprises solid-state relay J2, solid-state relay J2 has moving contact, normally closed static contact J2-1 and Chang Kai static contact J2-2, and secondary light source control executive circuit (57) has DC power supply terminal, control signal input, live wire incoming end and live wire and picks out end; Described ac input end and ac output end all have live wire end and zero line side 2 links; Described DC power output end has positive pole and negative pole 2 links;
The ac input end of step-down anti-jamming circuit (51) by its live wire end and zero line side respectively with the firewire electrode L of circuit arrangement (5) with zero wire electrode N is corresponding is electrically connected; The ac output end of step-down anti-jamming circuit (51) by its live wire end and zero line side respectively with the live wire end of the ac input end of current rectifying and wave filtering circuit (52) with zero line side is corresponding is electrically connected;
The power end of filter circuit of pressure-stabilizing (53) is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit (52); The earth terminal of filter circuit of pressure-stabilizing (53) is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit (52); It is characterized in that:
The ballast starting drive (5a) of described circuit arrangement (5) has live wire end, zero line side, power output end and sampled voltage output; The input of inductance type ballast LL is electrically connected with one end of building-out capacitor C and forms a common junction, and this common junction is the live wire end of ballast starting drive (5a); The output of inductance type ballast LL and the input of trigger S form a common junction because of conllinear, this common junction is the sampled voltage output of ballast starting drive (5a); The output of trigger S is the power output end of ballast starting drive (5a); The zero line side of trigger S and the other end of building-out capacitor C form a common junction because of conllinear, this common junction is the zero line side of ballast starting drive (5a); The power output end of ballast starting drive (5a) is electrically connected with terminals of main light source socket (11); The zero line side of ballast starting drive (5a) is electrically connected with another terminals of main light source socket (11) and zero wire electrode N;
The light source switching controller (5b) of described circuit arrangement (5) also comprises voltage sampling circuit (54); Voltage sampling circuit (54) has sampled voltage input, zero line side, power end, earth terminal and sampled voltage signal output part; Described centralized Control circuit (55) has power end, earth terminal, sampled voltage signal input part, the first control signal output and the second control signal output; Main light source control executive circuit (56) has DC power supply terminal, control signal input, live wire incoming end and live wire and picks out end;
The sampled voltage input of voltage sampling circuit (54) is electrically connected with the sampled voltage output of described ballast starting drive (5a); The zero line side of voltage sampling circuit (54) is electrically connected with the zero wire electrode N of circuit arrangement (5); The power end of voltage sampling circuit (54) is electrically connected with the output end of pressure-stabilizing of filter circuit of pressure-stabilizing (53); The earth terminal of voltage sampling circuit (54) is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit (52);
The power end of centralized Control circuit (55) is electrically connected with the output end of pressure-stabilizing of filter circuit of pressure-stabilizing (53); The earth terminal of centralized Control circuit (55) is connected with the negative electricity of the DC power output end of current rectifying and wave filtering circuit (52); The sampled voltage signal input part of centralized Control circuit (55) is electrically connected with the sampled voltage signal output part of voltage sampling circuit (54);
The DC power supply terminal that main light source controls executive circuit (56) is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit (52); The control signal input that main light source controls executive circuit (56) is electrically connected with the first control signal output of centralized Control circuit (55); The live wire incoming end that main light source controls executive circuit (56) is electrically connected with the firewire electrode L of circuit arrangement (5); The live wire of main light source control executive circuit (56) picks out end and is electrically connected with the live wire end of aforesaid ballast starting drive (5a);
The DC power supply terminal that secondary light source controls executive circuit (57) is electrically connected with the positive pole of the DC power output end of current rectifying and wave filtering circuit (52); The control signal input that secondary light source controls executive circuit (57) is electrically connected with the second control signal output of centralized Control circuit (55); The live wire incoming end that secondary light source controls executive circuit (57) is electrically connected with firewire electrode L; The live wire of secondary light source control executive circuit (57) picks out end and is electrically connected with terminals of secondary light source socket (12); Another terminals of secondary light source socket (12) are electrically connected with the zero wire electrode N of circuit arrangement (5);
The voltage sampling circuit (54) of described light source switching controller (5b) comprises photoelectrical coupler OC, three end adjustable shunt reference source T2, Zener diode DZ2, diode D6, electrochemical capacitor C8, electrochemical capacitor C9, electrochemical capacitor C10, electric capacity C11, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12 and resistance R13; The positive pole of diode D6 is the sampled voltage input of voltage sampling circuit (54); The negative pole of diode D6, one end of resistance R7, one end of resistance R9 and the positive pole conllinear of electrochemical capacitor C9; One end conllinear of the other end of resistance R7, the negative pole of Zener diode DZ2, the positive pole of electrochemical capacitor C8, one end of resistance R8 and resistance R11; The negative pole of electrochemical capacitor C9 is electrically connected with the positive pole of electrochemical capacitor C10; One end of the other end of resistance R9, one end of resistance R10, electric capacity C11 and the reference pole conllinear of three end adjustable shunt reference source T2; The negative electrode of three end adjustable shunt reference source T2 is connected with the negative electricity of the light emitting diode of photoelectrical coupler OC; The positive pole of the light emitting diode of photoelectrical coupler OC is electrically connected with the other end of resistance R11; The colelctor electrode of the triode of photoelectrical coupler OC is electrically connected with one end of resistance R12; The other end of resistance R12 is the power end of voltage sampling circuit (54); The emitter-base bandgap grading of the triode of photoelectrical coupler OC and one end conllinear of resistance R13 and form a common junction, this common junction is the sampled voltage signal output part of voltage sampling circuit (54); The other end of resistance R13 is the earth terminal of voltage sampling circuit (54); The anode of the other end of the positive pole of Zener diode DZ2, the negative pole of electrochemical capacitor C8, resistance R8, the negative pole of electrochemical capacitor C10, the other end of resistance R10, the other end of electric capacity C11 and three end adjustable shunt reference source T2 forms a common junction because of conllinear, this common junction is the zero line side of voltage sampling circuit (54).
2. according to claim 1 pair of light source converted illumination lamp, is characterized in that: described main light source (41) is metal halide lamp, and described secondary light source (42) is halogen tungsten lamp or incandescent lamp.
3. according to claim 2 pair of light source converted illumination lamp, is characterized in that: described fixing device for installing (3) is ceiling type, derrick type, chain sling formula or inhale wall type fixture.
4., by a method of work for the arbitrary described two light source converted illumination lamps of Claim 1-3, it is characterized in that: comprise the following steps:
The first step: two light source converted illumination lamp connects electricity, two light source switching controllers (5b) of circuit arrangement (5) are started working, 220V alternating current is reduced to 12V alternating current by the step-down anti-jamming circuit (51) of two light source switching controller (5b), current rectifying and wave filtering circuit (52) becomes 12V direct current by after the filtering of 12V AC rectification, and filter circuit of pressure-stabilizing (53) exports 5V direct current after the 12V direct current that current rectifying and wave filtering circuit (52) exports is carried out voltage regulation filtering is that the single-chip microcomputer IC1 of centralized Control circuit (55) provides working power; Meanwhile, the voltage sampling circuit (54) of two light source switching controller (5b) carries out voltage acquisition, and when the voltage gathered is greater than 180V, voltage sampling circuit (54) exports high level signal to centralized Control circuit (55); When the voltage gathered is less than or equal to 180V, voltage sampling circuit (54) is to centralized Control circuit (55) output low level signal;
Second step: when the sampled voltage signal input part of centralized Control circuit (55) receives low level signal, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit (55) judges that main light source (41) is in cold start and working properly, centralized Control circuit (55) controls executive circuit (57) to secondary light source and sends control instruction, and moving contact secondary light source being controlled the solid-state relay J2 of executive circuit (57) is changed into by being in the state be connected with normally closed static contact J2-1 and often being opened static contact J2-2 and be connected thus light secondary light source (42), the single-chip microcomputer IC1 of centralized Control circuit (55) starts timing in 10 minutes simultaneously, when timing reaches 10 minutes, centralized Control circuit (55) controls executive circuit (57) to secondary light source and sends control instruction, moving contact secondary light source being controlled the solid-state relay J2 of executive circuit (57) is by being in and often opening the be connected state that makes secondary light source (42) light of static contact J2-2 and change into the state that the moving contact of solid-state relay J2 and normally closed static contact J2-1 be connected, thus extinguish secondary light source (42), now main light source (41) entered normal illumination state by the state of starting light after 10 minutes, illumination is provided by main light source (41),
3rd step: when the sampled voltage signal input part of centralized Control circuit (55) receives high level signal, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit (55) judges that main light source (41) is now in thermal starting state or malfunction, the single-chip microcomputer IC1 of centralized Control circuit (55) starts timing in 10 minutes, centralized Control circuit (55) controls executive circuit (56) to main light source and secondary light source control executive circuit (57) sends control instruction: moving contact main light source being controlled the solid-state relay J1 of executive circuit (56) is changed into by being in the state be connected with normally closed static contact J1-1 and often opening state that static contact J1-2 is connected to disconnect the power supply of main light source (41), moving contact secondary light source being controlled the solid-state relay J2 of executive circuit (57) is changed into by being in the state be connected with normally closed static contact J2-1 and often being opened static contact J2-2 and be connected and light secondary light source (42), now provides illumination by secondary light source (42),
When the timing in 10 minutes of the single-chip microcomputer IC1 of centralized Control circuit (55) arrives, centralized Control circuit (55) again controls executive circuit (56) to main light source according to program of establishing in single-chip microcomputer IC1 and sends control instruction, moving contact main light source being controlled the solid-state relay J1 of executive circuit (56) is by being in and often opening state that static contact J1-2 is connected and again change into the state be connected with normally closed static contact J1-1 and recover to power to main light source (41), if now the sampled voltage signal input part of centralized Control circuit (55) receives the low level signal that voltage sampling circuit (54) transmits, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit (55) judges that main light source (41) now becomes cold start and working properly from thermal starting state, subsequent action is identical with described second step,
When the timing in 10 minutes of the single-chip microcomputer IC1 of centralized Control circuit (55) arrives, if the sampled voltage signal input part of centralized Control circuit (55) still receives the high level signal that voltage sampling circuit (54) transmits, according to interior program of establishing, the single-chip microcomputer IC1 of centralized Control circuit (55) judges that main light source (41) breaks down; Centralized Control circuit (55) controls executive circuit (56) and secondary light source according to program of establishing in single-chip microcomputer IC1 to main light source and controls executive circuit (57) and send control instruction: moving contact main light source being controlled the solid-state relay J1 of executive circuit (56) is changed into by being in the state be connected with normally closed static contact J1-1 and often opening state that static contact J1-2 is connected to disconnect the power supply of main light source (41); Make the moving contact of the solid-state relay J2 of secondary light source control executive circuit (57) and often open static contact J2-2 to keep connection to make secondary light source (42) Chang Liang, provided by secondary light source (42) always and substitute illumination; Until main light source (41) failture evacuation.
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Address after: 213000 Jiangsu Province, Changzhou city Wujin District Henglin town Cross Road No. 1. Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Patentee after: HONLAND LIGHTING Co.,Ltd. Address before: 200233 Shanghai city Xuhui District Hong Cao Road No. 29 Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Patentee before: HONLAND LIGHTING Co.,Ltd. |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Patentee after: HONLAND LIGHTING Co.,Ltd. Address before: 213000 No. 1, HengYao Road, Henglin Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Patentee before: HONLAND LIGHTING Co.,Ltd. |
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