CN202857034U - Dual light source switching illuminating lamp - Google Patents
Dual light source switching illuminating lamp Download PDFInfo
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- CN202857034U CN202857034U CN 201220512792 CN201220512792U CN202857034U CN 202857034 U CN202857034 U CN 202857034U CN 201220512792 CN201220512792 CN 201220512792 CN 201220512792 U CN201220512792 U CN 201220512792U CN 202857034 U CN202857034 U CN 202857034U
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Abstract
The utility model provides a dual light source switching illuminating lamp which comprises a lamp socket, a lampshade, an installation and fixing device, a main light source, an auxiliary light source and a circuit element, wherein the lamp socket contains a main light source socket and an auxiliary light source socket, the main light source and the auxiliary light source are respectively and correspondingly in clamp connection or screw joint with the main light source socket and the auxiliary light source socket, the circuit element comprises a ballast starting device, a live wire electrode and a zero line electrode which are used for an external power source and a light source switching controller, and the light source switching controller comprises a voltage-reducing anti-interference circuit, a rectifier/filter circuit, a voltage-stabilizing filter circuit, a voltage sampling circuit, a centralized control circuit, a main light source controlling and executing circuit and an auxiliary light source controlling and executing circuit. According to the utility model, the light source switching controller is used to control automatic switching between the main light source and the auxiliary light source, so uninterrupted illumination is guaranteed, problems that repeated sparking influences the service life of a high intensity gas discharge lamp during thermal starting of the high intensity gas discharge lamp and occurrence of a fault results in zero load electricity consumption are overcome, and cost and energy are saved.
Description
Technical field
The utility model relates to a kind of lighting, particularly relates to a kind of two light source illumination lamp fittings that have two light sources in same light fixture.
Background technology
The higher area illumination in space such as in the turbine block equipment room of, nuclear power plant outdoor in nuclear power plant or the nuclear island is the brightness that guarantees illumination, the high-strength gaseous discharge lamp of normal operation (HID).In order to prevent that because of the impact illumination of cutting off the power supply nuclear power plant generally all is equipped with the above emergency generator such as diesel power generation of at least one cover to throw light on for emergent.Under normal conditions, in the lighting of high ceiling, high-strength gaseous discharge lamp (HID) only disposes a light source.Because the characteristic that delay is lighted under the warm start state that high-strength gaseous discharge lamp (HID) is intrinsic, when after outage, enabling after the outage of emergency generator power supply or dispatch from foreign news agency again immediate recovery, high-strength gaseous discharge lamp (HID) restarts to light needs one section cooling reboot time, and causes within the regular hour available without illumination.Because the particularity in the some work place of nuclear power plant, illumination between some visual plants can not be interrupted, this just need to be when high-strength gaseous discharge lamp (HID) extinguishes, and having corresponding emergency light source to substitute immediately high-strength gaseous discharge lamp (HID) provides illumination.High-strength gaseous discharge lamp (HID) warm start required voltage is very high, civil power or the emergent voltage that Gong provides can not reach, thereby can cause high-strength gaseous discharge lamp (HID) lamp to start immediately and repeatedly sparking, cause the material such as easy damage electrode and affect the adverse consequences in the life-span of lamp.
It is 201210082300.X that Chinese patent literature CN102612191A discloses number of patent application, name is called a kind of pair of light source conversion illuminating lamp of " two light source conversion illuminating lamp ", comprise light source controller in its circuit arrangement, this controller flows to by main light source being carried out behind the current sample converting the current signal of sampling to voltage signal by voltage comparator circuit that the centralized control circuit is processed and then main light source and secondary light source are carried out corresponding ON/OFF control, its weak point is: the circuit relative complex of light source controller, the higher and manufacturing inconvenience of cost.
The utility model content
The purpose of this utility model is: adapt to nuclear power plant etc. to the have relatively high expectations needs in place of illumination, for the problem that existing lighting exists, provide that a kind of circuit is relatively simple, cost is lower, two light sources of working stability are changed illuminating lamps.
The technical solution of the utility model is: of the present utility model pair of light source conversion illuminating lamp, comprise 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 the lampshade; Main light source socket and secondary light source socket all have two supply terminalss; Circuit arrangement is installed in the lamp socket or with split type and is located at outside the lamp socket; Above-mentioned main light source and secondary light source respectively corresponding and main light source socket and secondary light source socket are 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 control executive circuit and secondary light source control executive circuit; The 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; The centralized control circuit comprises single-chip microcomputer IC1; Main light source control executive circuit comprises solid-state relay J1, and solid-state relay J1 has moving contact, normally closed fixed contact J1-1 and Chang Kai fixed contact J1-2; Secondary light source control executive circuit comprises solid-state relay J2, solid-state relay J2 has moving contact, normally closed fixed contact J2-1 and Chang Kai fixed 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 2 links of zero line side; Above-mentioned dc power output end has anodal and 2 links of negative pole;
The ac input end of step-down anti-jamming circuit by its live wire end and zero line side respectively with firewire electrode L and the corresponding electrical connection of zero wire electrode N of circuit arrangement; The ac output end of step-down anti-jamming circuit by its live wire end and zero line side respectively with live wire end and the corresponding electrical connection of zero line side of the ac input end of current rectifying and wave filtering circuit;
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 the 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 input of the output of inductance type ballast LL and trigger S forms a common junction because of conllinear, and 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 other end of the zero line side of trigger S and building-out capacitor C forms a common junction because of conllinear, and 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;
The dc power supply terminal of main light source control executive circuit is electrically connected with the positive pole of the dc power output end of current rectifying and wave filtering circuit; The control signal input of main light source control executive circuit is electrically connected with the first control signal output of centralized control circuit; The live wire incoming end of main light source control executive circuit 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;
The dc power supply terminal of secondary light source control executive circuit is electrically connected with the positive pole of the dc power output end of current rectifying and wave filtering circuit; The control signal input of secondary light source control executive circuit is electrically connected with the second control signal output of centralized control circuit; The live wire incoming end of secondary light source control executive circuit is electrically connected with firewire electrode L; The live wire of secondary light source control executive circuit picks out end and helps terminals of light source socket to be electrically connected with defeated; Failing helps another terminals of light source socket to be 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, voltage stabilizing didoe DZ2, diode D6, electrochemical capacitor C8, electrochemical capacitor C9, electrochemical capacitor C10, capacitor C 11, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12 and resistance R 13; The positive pole of diode D6 is the sampled voltage input of voltage sampling circuit; The anodal conllinear of one end of the negative pole of diode D6, resistance R 7, an end of resistance R 9 and electrochemical capacitor C9; One end conllinear of one end of the positive pole of the negative pole of the other end of resistance R 7, voltage stabilizing didoe DZ2, electrochemical capacitor C8, resistance R 8 and resistance R 11; The negative pole of electrochemical capacitor C9 is electrically connected with the positive pole of electrochemical capacitor C10; The reference utmost point conllinear of one end of the other end of resistance R 9, resistance R 10, an end of capacitor C 11 and 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 R 11; The collector electrode of the triode of photoelectrical coupler OC is electrically connected with an end of resistance R 12; The other end of resistance R 12 is the earth terminal that the voltage sampling circuit other end is voltage sampling circuit; The anode of the other end of the other end of the negative pole of the other end of the negative pole of the positive pole of voltage stabilizing didoe DZ2, electrochemical capacitor C8, resistance R 8, electrochemical capacitor C10, resistance R 10, capacitor C 11 and three end adjustable shunt reference source T2 forms a common junction because of conllinear, and 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 tungsten halogen lamp or incandescent lamp.
Further scheme is: above-mentioned fixing device for installing is ceiling type, derrick type, chain sling formula or inhales the wall type fixture.
The good effect that the utlity model has is: automatically switch under the control of light source switching controller by main and auxiliary two light sources (1), uninterrupted with the illumination that guarantees the workplace that illumination can not be interrupted.(2) under the warm start state, cut off its power supply by high-strength gaseous discharge lamp (HID), after its cooling, again recover its power supply, solved high-strength gaseous discharge lamp (HID) and under the warm start state, repeated to strike sparks and affect the life problems of lamp.Unloaded power consumption problem is saved the energy when (3) having solved Metal halogen lamp and break down.(4) compared to prior art, relatively simple, lower, the good operating stability of cost of circuit of the present utility model.
Description of drawings
Fig. 1 is the general structure schematic diagram of of the present utility model pair of light source conversion illuminating lamp;
Fig. 2 is the circuit block diagram of of the present utility model pair of light source conversion illuminating lamp;
Fig. 3 is the electrical schematic diagram that two light sources shown in Figure 2 are changed illuminating lamps.
Reference numeral implication in the above-mentioned accompanying drawing is as follows:
Lamp socket 1, main light source socket 11, secondary light source socket 12,
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 control executive circuit 56, secondary light source control executive circuit 57.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
(embodiment 1)
See Fig. 1, two light source conversion illuminating lamps of 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 the 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 terminalss.Main light source 41 and secondary light source 42 respectively corresponding and main light source socket 11 and secondary light source socket 12 are 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 be integral part with lamp socket 1, also can be is connected split type with lamp socket and with 1 fixed or movable connection of lamp socket.
Fixing device for installing 3 is connected on the lamp socket 1, is used for the installation of light fixture, can be arranged to be positioned at according to the needs of environment for use ceiling type, derrick type or the chain sling formula structure of lamp socket 1 top, also can be arranged to be positioned at the suction wall type of a side of lamp socket 1.
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 is connected connecting external ac power source with zero wire electrode N.
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 comprised 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 the model present embodiment of trigger S.The input of inductance type ballast LL is electrically connected with the 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 input of the output of inductance type ballast LL and trigger S forms a common junction because of conllinear, and 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 other end of the zero line side of trigger S and building-out capacitor C forms a common junction because of conllinear, and 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 is comprised of 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 control 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.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 2 links of zero line side.Above-mentioned dc power output end has anodal and 2 links of negative pole.
The ac input end of step-down anti-jamming circuit 51 by its live wire end and zero line side respectively with firewire electrode L and the corresponding electrical connection of zero wire electrode N of circuit arrangement 5; The ac output end of step-down anti-jamming circuit 51 by its live wire end and zero line side respectively with live wire end and the corresponding electrical connection of zero line side of the ac input end of current rectifying and wave filtering circuit 52.
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 of main light source control 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 of main light source control executive circuit 56 is electrically connected with the first control signal output of centralized control circuit 55; The live wire incoming end of main light source control 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 of secondary light source control 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 of secondary light source control executive circuit 57 is electrically connected with the second control signal output of centralized control circuit 55; The live wire incoming end of secondary light source control executive circuit 57 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 terminals of light source socket 12 to be electrically connected with defeated; Failing helps another terminals of light source socket 12 to be 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 comprised of resistance R 1, piezo-resistance RU, inductance L 1, capacitor C 1, capacitor C 2 and the first protective tube FU1.Wherein, inductance L 1 and capacitor C 1 form anti-jamming circuit; Resistance R 1 and capacitor C 2 form reduction voltage circuit.The end of piezo-resistance RU is electrically connected with an 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; One end conllinear of one end of the other end of inductance L 1, capacitor C 1, an end of capacitor C 2 and resistance R 1; The other end of capacitor C 2 is electrically connected with the other end of resistance R 1 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; The end conllinear of the other end of the other end of piezo-resistance RU, capacitor C 1 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 comprised of diode D1, diode D2, diode D3, diode D4, electrochemical capacitor C3, capacitor C 4 and resistance R 2.Wherein, 4 diode D1, D2, D3 and D4 form full-wave bridge rectifier circuit, and electrochemical capacitor C3, capacitor C 4 and resistance R 2 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; Electrochemical capacitor C3, capacitor C 4 and resistance R 2 all are connected in parallel between the positive pole and negative pole of dc output end of current rectifying and wave filtering circuit 52.
The filter circuit of pressure-stabilizing 53 of light source switching controller 5b is comprised of resistance R 3, resistance R 4, resistance R 5, resistance R 6, electrochemical capacitor C5, capacitor C 6, capacitor C 7, diode D5, voltage stabilizing didoe DZ1 and three end adjustable shunt reference source T1.Wherein, resistance R 3 and voltage stabilizing didoe DZ1 form first order voltage stabilizing circuit, diode D5, electrochemical capacitor C5 and capacitor C 6 form filter circuit, and resistance R 4, three end adjustable shunt reference source T1, capacitor C 7, resistance R 5 and resistance R 6 form second level accurate voltage-stabilizing circuit.Three end adjustable shunt reference source T1 have anode, negative electrode and with reference to the utmost point.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 R 3 is the power end of filter circuit of pressure-stabilizing 53; The negative pole conllinear of the positive pole of the other end of resistance R 3, diode D5 and voltage stabilizing didoe DZ1; One end conllinear of one end of the positive pole of the negative pole of diode D5, electrochemical capacitor C5, capacitor C 6 and resistance R 4; The negative electrode conllinear of one end of the other end of resistance R 4, resistance R 5 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; The reference utmost point conllinear of one end of the other end of resistance R 5, resistance R 6, an end of capacitor C 7 and three end adjustable shunt reference source T1; The other end conllinear of the positive pole of the other end of the negative pole of the positive pole of voltage stabilizing didoe DZ1, electrochemical capacitor C5, capacitor C 6, three end adjustable shunt reference source T1, the other end of capacitor C 7 and resistance R 6 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 comprised of photoelectrical coupler OC, three end adjustable shunt reference source T2, voltage stabilizing didoe DZ2, diode D6, electrochemical capacitor C8, electrochemical capacitor C9, electrochemical capacitor C10, capacitor C 11, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12 and resistance R 13.The positive pole of diode D6 is the sampled voltage input of voltage sampling circuit 54; The anodal conllinear of one end of the negative pole of diode D6, resistance R 7, an end of resistance R 9 and electrochemical capacitor C9; One end conllinear of one end of the positive pole of the negative pole of the other end of resistance R 7, voltage stabilizing didoe DZ2, electrochemical capacitor C8, resistance R 8 and resistance R 11; The negative pole of electrochemical capacitor C9 is electrically connected with the positive pole of electrochemical capacitor C10; The reference utmost point conllinear of one end of the other end of resistance R 9, resistance R 10, an end of capacitor C 11 and 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 R 11; The collector electrode of the triode of photoelectrical coupler OC is electrically connected with an end of resistance R 12; The other end of resistance R 12 is the power end of voltage sampling circuit 54; One end conllinear of the emitter-base bandgap grading of the triode of photoelectrical coupler OC and resistance R 13 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 R 13 is the earth terminal of voltage sampling circuit 54; The anode of the other end of the other end of the negative pole of the other end of the negative pole of the positive pole of voltage stabilizing didoe DZ2, electrochemical capacitor C8, resistance R 8, electrochemical capacitor C10, resistance R 10, capacitor C 11 and three end adjustable shunt reference source T2 forms a common junction because of conllinear, and 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 comprised of single-chip microcomputer IC1, triode Q1, triode Q2, resistance R 14 and resistance R 15.Triode Q1 and triode Q2 are 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 preferred model of single-chip microcomputer IC1 is the single-chip microcomputer integrated circuit of PIC12C508 or the single-chip microcomputer integrated circuit that model is 501B.Single-chip microcomputer integrated circuit PIC12C508 has 8 wiring pins, and 1 pin of PIC12C508 is vdd terminal, in the present embodiment as power end; 8 pin of PIC12C508 are Vss end, in the present embodiment as earth terminal; 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 the I/O end, and 5 pin are arranged to the first output in the present embodiment, 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, and each foot mouth of the port of each pin and integrated circuit PIC12C508 is 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 are the sampled voltage signal input part of centralized control circuit 55; The first output 5 pin of single-chip microcomputer IC1 are electrically connected through the base stage of resistance R 14 with triode Q1, and the collector electrode of triode Q1 is the first control signal output of centralized control circuit 55; The second output 6 pin of single-chip microcomputer IC1 are electrically connected through the base stage of resistance R 15 with triode Q2; The collector electrode of triode Q2 is the second control signal output of centralized control circuit 55; The emitter-base bandgap grading conllinear of earth terminal 8 pin of single-chip microcomputer IC1, the emitter-base bandgap grading of triode Q1 and 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 directly is connected with alternating current 220V voltage, consume the voltage that is not less than about 40V through inductance type ballast LL, the namely voltage of the sampled voltage signal output part of the ballast starting drive 5a pressure drop on it when main light source works of its output is generally about 140V, voltage sampling circuit 54 in the present embodiment designs take magnitude of voltage 180V as critical value, the resistance value value of resistance R 9 is 510K Ω, the resistance value value of resistance R 10 is 5.1K Ω, three end adjustable shunt reference source T2 of TL431 type are conducting during greater than 2.5V by the conducting trigger voltage value of reference utmost point input, end when being less than or equal to 2.5V.When sample voltage value during greater than 180V, pressure drop on the resistance R 10 is greater than 2.5V, also the voltage extremely gone up of the i.e. reference of three end adjustable shunt reference source T2 makes its conducting greater than 2.5V, thereby three end adjustable shunt reference source T2 conductings make photoelectrical coupler OC conducting, thereby 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 its cut-off, also make photoelectrical coupler OC cut-off, thereby the sampled voltage signal output part that makes voltage sampling circuit 54 is to centralized control circuit 55 output low levels.Behind the high level or low level sampled voltage signal of the sampled voltage signal output part output of centralized control circuit 55 receiver voltage sample circuits 54, the single-chip microcomputer IC1 of centralized control circuit 55 processes accordingly according to interior program of establishing.
The main light source control executive circuit 56 of light source switching controller 5b is comprised of solid-state relay J1 and reverse protection diode D7.Solid-state relay J1 has moving contact, normally closed fixed contact J1-1 and Chang Kai fixed contact J1-2.The terminals of the moving contact of solid-state relay J1 are the live wire incoming end of main light source control executive circuit 56; The live wire that the terminals of the normally closed fixed contact J1-1 of solid-state relay J1 are main light source control executive circuit 56 picks out end; The terminals of often opening fixed 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 of main light source control 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 of main light source control executive circuit 56.
The secondary light source control executive circuit 57 of light source switching controller 5b is comprised of the second protective tube FU2, solid-state relay J2 and reverse protection diode D8.Solid-state relay J2 has moving contact, normally closed fixed contact J2-1 and Chang Kai fixed contact J2-2.The end of the second protective tube FU2 is the live wire incoming end of secondary light source control 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 live wire that the terminals of often opening fixed contact J2-2 of solid-state relay J2 are secondary light source control executive circuit 57 picks out end; The terminals of the normally closed fixed 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 of secondary light source control 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 of secondary light source control executive circuit 57.
In the present embodiment, main light source 41 preferable alloy halide lamps are called for short Metal halogen lamp; Secondary light source 42 is selected tungsten halogen lamp or incandescent lamp, can be the lighting source of other applicable 220V alternating currents also, secondary light source 42 preferred tungsten halogen lamps in the present embodiment.Main light source 41 is the P1 among Fig. 3, and secondary light source 42 is the P2 among Fig. 3.In the present embodiment, the preferred 7D471 of piezo-resistance RU model, the preferred loose happy board SRD-12VDC-SL-C of the model of 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.
Centralized control circuit 55 among the light source switching controller 5b of two light source conversion illuminating lamps of present embodiment has according to the voltage signal that detects to be controlled and the dual control function of timing controlled, and it is by main light source control executive circuit 56 and secondary light source control 57 pairs of main light sources 41 of executive circuit and secondary light source 42 enforcement controls.The time-controlled time of centralized control circuit 55 can be selected in the scope at 6 to 15 minutes according to need, and by arranging in advance in the pre-set programs of single-chip microcomputer IC1, selecting the timing controlled time in the present embodiment is 10 minutes.Main light source 41 is normal start and during work its pressure drop be generally less than or equal 180V, the sampled voltage signal of centralized control circuit 55 receiver voltage sample circuits 54 transmission, the single-chip microcomputer IC1 of centralized control circuit 55 send corresponding control signal after according to default routine processes main light source 41 and secondary light source 42 are implemented control.
The method of work of two light source conversion illuminating lamps of present embodiment may further comprise the steps:
The first step: two light source conversion illuminating lamps connect electricity, two light source switching controller 5b of circuit arrangement 5 start working, the step-down anti-jamming circuit 51 of two light source switching controller 5b is reduced to the 12V alternating current with the 220V alternating current, current rectifying and wave filtering circuit 52 becomes the 12V direct current after with the filtering of 12V AC rectification, and the direct current that filter circuit of pressure-stabilizing 53 carries out the 12V direct current of current rectifying and wave filtering circuit 52 outputs output 5V behind the voltage regulation filtering provides working power for the single-chip microcomputer IC1 of centralized control circuit 55; Simultaneously, the voltage sampling circuit 54 of two light source switching controller 5b carries out voltage acquisition, and when the voltage that gathers during greater than 180V, voltage sampling circuit 54 is to centralized control circuit 55 output high level signals; When the voltage that gathers was less than or equal to 180V, voltage sampling circuit 54 was to centralized control circuit 55 output low level signals;
Second step: when the sampled voltage signal input part of centralized control circuit 55 receives low level signal, the single-chip microcomputer IC1 of centralized control circuit 55 judges that according to the interior program of establishing main light source 41 is in cold start and working properly, centralized control circuit 55 sends control command to secondary light source control executive circuit 57, thereby the moving contact of secondary light source being controlled the solid-state relay J2 of executive circuit 57 is changed into and often opened fixed contact J2-2 and be connected and light secondary light source 42 by being in the state that is connected with normally closed fixed contact J2-1; The single-chip microcomputer IC1 of centralized control circuit 55 begins timing in 10 minutes simultaneously, when timing reaches 10 minutes, centralized control circuit 55 sends control command to secondary light source control executive circuit 57, secondary light source is controlled the moving contact of solid-state relay J2 of executive circuit 57 by being in and often opening the fixed contact J2-2 state that secondary light source 42 is lighted that is connected and change into the moving contact of solid-state relay J2 and the state that normally closed fixed contact J2-1 is connected, thereby extinguish secondary light source 42, this moment, main light source 41 entered the normal illumination state by the state of starting light after 10 minutes, provided illumination by main light source 41;
The 3rd step: when the sampled voltage signal input part of centralized control circuit 55 receives high level signal, the single-chip microcomputer IC1 of centralized control circuit 55 judges that according to the interior program of establishing main light source 41 is in warm start state or malfunction at this moment, the single-chip microcomputer IC1 of centralized control circuit 55 begins timing in 10 minutes, and centralized control circuit 55 sends control command to main light source control executive circuit 56 and secondary light source control executive circuit 57: the moving contact of main light source being controlled the solid-state relay J1 of executive circuit 56 is changed into and is often opened state that fixed contact J1-2 is connected to disconnect the power supply of main light source 41 by being in the state that is connected with normally closed fixed contact J1-1; Secondary light source is controlled the moving contact of the solid-state relay J2 of executive circuit 57 and changed into often opening fixed contact J2-2 and be connected and light secondary light source 42 by being in the state that is connected with normally closed fixed contact J2-1, provide illumination by secondary light source 42 this moment;
When the timing in 10 minutes of the single-chip microcomputer IC1 of centralized control circuit 55 arrives, centralized control circuit 55 sends control command to main light source control executive circuit 56 again according to establishing program in the single-chip microcomputer IC1, main light source is controlled the moving contact of solid-state relay J1 of executive circuit 56 by being in and often opening state that fixed contact J1-2 is connected and again change into the recovering state that is connected with normally closed fixed contact J1-1 to main light source 41 power supplies, if the sampled voltage signal input part of centralized control circuit 55 receives the low level signal of voltage sampling circuit 54 transmission at this moment, the single-chip microcomputer IC1 of centralized control circuit 55 judges that according to the interior program of establishing main light source becomes cold start and working properly by the warm start state 41 this moments, and 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 of voltage sampling circuit 54 transmission, the single-chip microcomputer IC1 of centralized control circuit 55 judges that according to the interior program of establishing main light source 41 breaks down; Centralized control circuit 55 sends control command according to establishing program in the single-chip microcomputer IC1 to main light source control executive circuit 56 and secondary light source control executive circuit 57: the moving contact of main light source being controlled the solid-state relay J1 of executive circuit 56 is changed into and is often opened state that fixed contact J1-2 is connected to disconnect the power supply of main light source 41 by being in the state that is connected with normally closed fixed contact J1-1; Make the moving contact of the solid-state relay J2 of secondary light source control executive circuit 57 make secondary light source 42 Chang Liang with often opening fixed contact J2-2 maintenance connection, provided by secondary light source 42 to substitute illumination always; Until main light source 41 faults are got rid of.
Two light source conversion illuminating lamps of present embodiment, automatically switch under the control of light source switching controller 5b by main and auxiliary two light sources, the illumination that having guaranteed the workplace that illumination can not be interrupted is uninterrupted, the problems such as zero load power consumption that also having solved simultaneously strikes sparks when Metal halogen lamp recovers its power supply again under the warm start state again when affect the life-span of lamp and Metal halogen lamp and breaking down; And, compared to prior art, relatively simple, lower, the good operating stability of cost of two light source conversion lighting lamp circuits of this enforcement.
In the present embodiment, main light source control executive circuit 56 is the direct plugged of main light source by the normally closed fixed contact of solid-state relay J1, and solid-state relay J1 is except warm start or malfunction appear in main light source 41, and other all do not need adhesive, thereby can reduce circuit power consumption, improve relay life; And, if light source switching controller 5b occurs in the inoperable situation of unexpected dead electricity, because main light source 41 direct-connected civil powers still can work on illumination is provided; Thereby improved the functional reliability of two light source illuminating lamps of present embodiment.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is in the situation that does not break away from spirit and scope of the present utility model; can also make various conversion and obtain the corresponding technical scheme that is equal to variation, so all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (4)
1. a two light source conversion illuminating lamp comprises lamp socket (1), lampshade (2), fixing device for installing (3), main light source (41), secondary light source (42) and circuit arrangement (5), and described lampshade (2) is arranged on the below of lamp socket (1); Lamp socket (1) contains 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 the lampshade (2); Main light source socket (11) and secondary light source socket (12) all have two supply terminalss; Circuit arrangement (5) is installed in the lamp socket (1) or with split type and is located at outside the lamp socket (2); Described main light source (41) and secondary light source (42) respectively corresponding and main light source socket (11) and secondary light source socket (12) are electrically connected with clamping or the mode that is threaded;
Circuit arrangement (5) comprises firewire electrode (L) and zero wire electrode (N), ballast starting drive (5a) and the light source switching controller (5b) for external power supply; 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 control executive circuit (56) and secondary light source control 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 control executive circuit (56) comprises solid-state relay (J1), and solid-state relay (J1) has moving contact, normally closed fixed contact (J1-1) and often opens fixed contact (J1-2); Secondary light source control executive circuit (57) comprises solid-state relay (J2), solid-state relay (J2) has moving contact, normally closed fixed contact (J2-1) and often opens fixed 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 2 links of zero line side; Described dc power output end has anodal and 2 links of negative pole;
The ac input end of step-down anti-jamming circuit (51) by its live wire end and zero line side respectively with firewire electrode (L) and the corresponding electrical connection of zero wire electrode (N) of circuit arrangement (5); The ac output end of step-down anti-jamming circuit (51) by its live wire end and zero line side respectively with live wire end and the corresponding electrical connection of zero line side of the ac input end of current rectifying and wave filtering circuit (52);
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 an 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 input of the output of inductance type ballast (LL) and trigger (S) forms a common junction because of conllinear, and 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 other end of the zero line side of trigger (S) and building-out capacitor (C) forms a common junction because of conllinear, and 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 and the zero wire electrode (N) of main light source socket (11);
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 of main light source control 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 of main light source control executive circuit (56) is electrically connected with the first control signal output of centralized control circuit (55); The live wire incoming end of main light source control 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 of secondary light source control 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 of secondary light source control executive circuit (57) is electrically connected with the second control signal output of centralized control circuit (55); The live wire incoming end of secondary light source control 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 helps terminals of light source socket (12) to be electrically connected with defeated; Failing helps another terminals of light source socket (12) to be electrically connected with the zero wire electrode (N) of circuit arrangement (5).
2. according to claim 1 pair of light source changed illuminating lamp, and it is characterized in that: the voltage sampling circuit (54) of described light source switching controller (5b) comprises photoelectrical coupler (OC), three end adjustable shunt reference sources (T2), voltage stabilizing didoe (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 anodal conllinear of one end of one end of the negative pole of diode (D6), resistance (R7), resistance (R9) and electrochemical capacitor (C9); One end conllinear of one end of the positive pole of the negative pole of the other end of resistance (R7), voltage stabilizing didoe (DZ2), electrochemical capacitor (C8), resistance (R8) and resistance (R11); The negative pole of electrochemical capacitor (C9) is electrically connected with the positive pole of electrochemical capacitor (C10); The reference utmost point conllinear of one end of one end of the other end of resistance (R9), resistance (R10), electric capacity (C11) and three end adjustable shunt reference sources (T2); The negative electrode of three end adjustable shunt reference sources (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 collector electrode of the triode of photoelectrical coupler (OC) is electrically connected with an end of resistance (R12); The other end of resistance (R12) is the power end of voltage sampling circuit (54); One end conllinear of the emitter-base bandgap grading of the triode of photoelectrical coupler (OC) and 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 other end of the negative pole of the other end of the negative pole of the positive pole of voltage stabilizing didoe (DZ2), electrochemical capacitor (C8), resistance (R8), electrochemical capacitor (C10), resistance (R10), electric capacity (C11) and three end adjustable shunt reference sources (T2) forms a common junction because of conllinear, and this common junction is the zero line side of voltage sampling circuit (54).
3. according to claim 2 pair of light source changed illuminating lamp, and it is characterized in that: described main light source (41) is metal halide lamp, and described secondary light source (42) is tungsten halogen lamp or incandescent lamp.
4. according to claim 3 pair of light source changed illuminating lamp, it is characterized in that: described fixing device for installing (3) is for ceiling type, derrick type, chain sling formula or inhale the wall type fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512792 CN202857034U (en) | 2012-09-29 | 2012-09-29 | Dual light source switching illuminating lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512792 CN202857034U (en) | 2012-09-29 | 2012-09-29 | Dual light source switching illuminating lamp |
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| CN202857034U true CN202857034U (en) | 2013-04-03 |
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| CN 201220512792 Withdrawn - After Issue CN202857034U (en) | 2012-09-29 | 2012-09-29 | Dual light source switching illuminating lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883491A (en) * | 2012-09-29 | 2013-01-16 | 上海核工程研究设计院 | Double-light source switching illuminating lamp and working method thereof |
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2012
- 2012-09-29 CN CN 201220512792 patent/CN202857034U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883491A (en) * | 2012-09-29 | 2013-01-16 | 上海核工程研究设计院 | Double-light source switching illuminating lamp and working method thereof |
| CN102883491B (en) * | 2012-09-29 | 2015-03-25 | 上海核工程研究设计院 | Double-light source switching illuminating lamp and working method thereof |
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