CN201008219Y

CN201008219Y - LED multifunctional series energy-saving explosion-proof lamp

Info

Publication number: CN201008219Y
Application number: CNU2006201300930U
Authority: CN
Inventors: 李永臣; 李亮亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-16
Filing date: 2006-10-16
Publication date: 2008-01-16
Anticipated expiration: 2016-10-16

Abstract

The utility model relates to an LED multi-functional energy-saving and explosion proof lamp used in the flammable and explosive environment, of which an LED luminescent tube is employed as a luminary. A controlling circuit comprises an insulating transformer switch power supply circuit, a magnetic and light control circuit, a sound control circuit, a charge and discharge circuit and a microwave detecting circuit, wherein the magnetic and light control circuit comprises a magnetic and light control switch, and a light dependent resistor is employed to detect the light signals outside, a voice acceptance device is employed by the sound control circuit to detect the sound signals outside, the microwave is sent and the microwave from target reflection is received by the microwave detecting circuit through antennae, and built-in batteries are utilized for the charge and discharge circuit to ensure persistent supply of power while the outside power is off. To sum up, the utility model is characterized by high efficiency of electrical to optical conversion, long lifetime, and excellent performance of explosion proof. The utility model is also characterized by the functions of light control, sound control, and microwave detecting and uninterrupted power supply and the utility model is relatively suitable for the modern production environment and the for the lighting requirements according to safe production. The utility model also has the advantages of excellent social effects and economic consequences.

Description

LED multifunctional series energy-saving explosion-proof lamp

(1), technical field: the utility model relates to a kind of lighting lamp, particularly relates to a kind of LED multifunctional series energy-saving explosion-proof lamp that uses in inflammable, explosive environments.

(2), background technology: explosion-proof lamp is to be used for common light fixture inflammable, explosive environments, it often is applied in occasions such as colliery, chemical plant, common explosion-proof lamp mainly contains incandescent lamp and fluorescent material electricity-saving lamp at present, the electric light conversion efficiency of incandescent lamp is low, the life-span short, though and fluorescent material electricity-saving lamp electric light conversion efficiency is higher, but the life-span is also very short, and all there is the problem of bad mechanical strength in two kinds of light fixtures, when light fixture breaks, be easy to cause surrounding environment blast, cause casualties and the loss of property; Publication number: CN2775460, application number: 200520052135.9 and publication number: CN2733162, application number: disclose two kinds of LED mine lamps in 200420083920.6, though these two kinds of mine lamps have used the LED luminous tube as luminous element, all improving a lot aspect electric light conversion efficiency, life-span and the fail safe, but because it is the storage battery power supply, needing regularly is its charging, it is very inconvenient when it is used as hard-wired explosion-proof lamp and uses, and its function singleness, be not suitable for very much modern production environment requirement; In a word, existing explosion-proof lamp can not satisfy modern production environment and the requirement of safety in production to throwing light on, anxious must the renewal.

(3), utility model content:

The technical problems to be solved in the utility model is: overcome the defective of prior art, a kind of electric light conversion efficiency height, the LED multifunctional series energy-saving explosion-proof lamp that the life-span is long, explosion-proof performance is good are provided.

The technical solution of the utility model: a kind of LED multifunctional series energy-saving explosion-proof lamp, contain the LED luminous tube, control circuit and shell, contain current-limiting circuit 1 in the control circuit, current rectifying and wave filtering circuit 2 and voltage stabilizing circuit 4, the output of current-limiting circuit 1 is connected with the input of current rectifying and wave filtering circuit 2, the output of current rectifying and wave filtering circuit 2 is connected with the input of voltage stabilizing circuit 4, control circuit also contains a magnetic control light-operated circuit 5, magnetic control light-operated circuit 5 contains magnetic switch K1, photo resistance Rg and field effect transistor Q1, the power end of magnetic control light-operated circuit 5 is connected with ground with the power output end of voltage stabilizing circuit 4 respectively with ground, photo resistance Rg is attempted by between the grid and ground GND1 of field effect transistor Q1, between magnetic switch K1 and grid that also is attempted by field effect transistor Q1 after resistance R 11 is connected and the ground GND1, the positive pole of LED luminous tube is connected to the source electrode of field effect transistor Q1, the minus earth of LED luminous tube.

The grid of field effect transistor Q1 is connected with power supply VCC+ by resistance R 2, and the drain electrode of field effect transistor Q1 is connected the LED luminous tube that described LED luminous tube is one or more serial or parallel connections by resistance R 4 with power supply VCC+.

Magnetic control light-operated circuit 5 can disconnect or connect the power supply of luminous element by magnetic switch, explosion-proof lamp for a long time need not, an available permanent magnet makes magnetic switch pipe action near the magnetic switch pipe, reaches the external remote control switch lamp.

Magnetic control light-operated circuit 5 can also detect extraneous light signal by photo resistance Rg, convert light signal to the signal of telecommunication again, and by this signal of telecommunication strong, a little less than make field effect transistor Q1 by, conducting, thereby disconnect, connect the power supply of luminous element, automatically turn on light night with realization, the function of turning off the light automatically daytime has been saved the energy.

Control circuit also contains isolates transforming switch power supply circuit 3 and charge-discharge circuit 6, isolate transforming switch power supply circuit 3 and contain transformer T, triode Q2 and triode Q3, the input of isolating transforming switch power supply circuit 3 is connected with the output of current rectifying and wave filtering circuit 2, the output of isolating transforming switch power supply circuit 3 is connected with the input of voltage stabilizing circuit 4, the winding L 1 of transformer T is attempted by between the collector electrode of power supply VCC and triode Q3, the collector electrode of triode Q2 is connected with the base stage of triode Q3, the base stage of triode Q2 is connected by the emitter of resistance R 6 and triode Q3, and winding L 3 one ends of transformer T are connected with the input of voltage stabilizing circuit 4 by diode D7; Charge-discharge circuit 6 contains rechargeable battery BT1, field effect transistor Q4 and operational amplifier IQ1, the power end of charge-discharge circuit 6 is connected with ground with the power output end of voltage stabilizing circuit 4 respectively with ground, the anode of rechargeable battery BT1 in the charge-discharge circuit 6 is connected by the drain electrode of the field effect transistor Q1 in diode D8 and the magnetic control light-operated circuit 5, the source electrode of field effect transistor Q4 connects the anode of rechargeable battery BT1 and is connected with the in-phase input end of operational amplifier IQ1 by resistance R 14, and the output of operational amplifier IQ1 is connected with the grid of field effect transistor Q4 by resistance R 16.

The emitter of isolating triode Q3 in the transforming switch power supply circuit 3 is connected with ground GND by resistance R 7, the base stage of triode Q3 is connected with power supply VCC by resistance R 9, the grounded emitter GND of triode Q2, winding L 2 one ends of transformer T are connected with the base stage of triode Q3 with the series circuit that capacitor C6 forms by resistance R 5, and the other end is connected with ground GND by resistance R 8; The inverting input of operational amplifier IQ1 in the charge-discharge circuit 6 is connected with the anode of rechargeable battery BT1 by resistance R 13, light-emitting diode D5 is attempted by between the inverting input and ground GND1 of operational amplifier IQ1, the drain electrode of field effect transistor Q4 meets power supply VCC+, the negativing ending grounding GND1 of rechargeable battery BT1.

Isolate transforming switch power supply circuit 3 and produce alternation by triode Q3 vibration conducting, and stablize triode Q3 working point by triode Q2, by transformer T power supply is isolated again, realize making electrical network and control circuit to isolate and improve the function of power supply conversion efficiency, increased the fail safe of explosion-proof lamp.

Stand-by power supply when charge-discharge circuit 6 uses a rechargeable battery BT1 as extraneous grid power blackout, and adopt an operational amplifier IQ1 to detect the cathode voltage of rechargeable battery BT1, control the conducting of field effect transistor Q4 or end by the output of operational amplifier IQ1, determine whether charging with this to rechargeable battery BT1, inner indication light-emitting diode D5 is extinguished or light, realized the uninterrupted power supply of LED explosion-proof lamp.

Control circuit also contains a sound control circuit 7, contain Mike MK in the sound control circuit 7, NAND gate IQ2A, NAND gate IQ3A and NAND gate IQ4A, the power end of sound control circuit 7 is connected with ground with the power output end of voltage stabilizing circuit 4 respectively with ground, the output of NAND gate IQ2A in the sound control circuit 7 is connected by the grid of the field effect transistor Q1 in resistance R 24 and the magnetic control light-operated circuit 5, the anode of Mike MK is connected by the input of capacitor C9 and NAND gate IQ4A, the output of NAND gate IQ4A is connected by the input of capacitor C10 and NAND gate IQ3A, and the output of NAND gate IQ3A is connected by the input of diode D10 and NAND gate IQ2A.

The negativing ending grounding GND1 of Mike MK in the sound control circuit 7, the anode of Mike MK is connected with power supply VCC+ by resistance R 23, resistance R 22 is attempted by between the input and output of NAND gate IQ4A, resistance R 19 is composed in series bleeder circuit with resistance R 20, and their point of contact is connected with another input of NAND gate IQ3A.

Sound control circuit 7 receives the outside sound signal by Mike MK, change voice signal into the signal of telecommunication, this signal of telecommunication drives through NAND gate IQ4A, again relatively through not gate IQ3A, drive through NAND gate IQ2A at last, be used for controlling field effect transistor Q1 by, conducting, the ON time of field effect transistor Q1 decides by the delay circuit that resistance R 18 and capacitor C7 constitute, so just having realized can be according to strong, the weak function of connecting, disconnect luminophor power of external sound, made that man-hour is turned on light, nobody the time turn off the light, saved the energy.

Described control circuit also contains a Microwave Measurement circuit 8, contain antenna in the Microwave Measurement circuit 8, operational amplifier VA, operational amplifier VB, operational amplifier VC, operational amplifier VD and triode Q5, the power end of Microwave Measurement circuit 8 is connected with ground with the power output end of voltage stabilizing circuit 4 respectively with ground, the output of operational amplifier VD in the Microwave Measurement circuit 8 is connected by the grid of the field effect transistor Q1 in resistance R V16 and the magnetic control light-operated circuit 5, the negative terminal of antenna links to each other with the collector electrode of triode Q5, the anode of antenna is by capacitor CV2, resistance R V5 links to each other with the inverting input of operational amplifier VA with the series circuit that resistance R V6 forms, the output of operational amplifier VA links to each other with the in-phase input end of operational amplifier VB by capacitor CV5, the output of operational amplifier VB links to each other with the inverting input of operational amplifier VC by resistance R V14, and the output of operational amplifier VC links to each other with the inverting input of operational amplifier VD by diode D10.

The anode of the antenna in the Microwave Measurement circuit 8 is connected with power supply VCC+ by resistance R V4, the emitter of triode Q5 is connected with ground GND1 by resistance R V3, resistance R V1 and resistance R V2 are composed in series bleeder circuit, their point of contact is connected with the base stage of triode Q5, the tie point of resistance R V5 and resistance R V6 links to each other with the in-phase input end of operational amplifier VA by capacitor CV3, the inverting input of operational amplifier VB links to each other with the in-phase input end of operational amplifier VA by resistance R V11, and the in-phase input end of the in-phase input end of operational amplifier VC and operational amplifier VD all links to each other with the in-phase input end of operational amplifier VA by resistance R V12.

Microwave Measurement circuit 8 is by triode Q5 vibration conducting driven antenna, make antenna send microwave, simultaneously, antenna receives the microwave signal of extraneous target reflection again, and convert thereof into the signal of telecommunication and send into operational amplifier VA, operational amplifier VB, operational amplifier VC and operational amplifier VD carry out multistage amplification, control the conducting of field effect transistor Q1 at last with this signal, end, the ON time of field effect transistor Q1 decides by the delay circuit that resistance R V18 and capacitor CV7 constitute, so just reached and need not to send the sound, as long as there is target to enter the effect that in the detection range lamp is opened automatically.

The beneficial effects of the utility model:

1. the utility model adopts the LED luminous tube as luminous element, because the LED luminous tube belongs to cold light source, produce heat hardly, therefore its electric light conversion efficiency height is about 38lm/w, and its life-span is long, can reach more than 50000 hours, and its shell is the solid plastic body, and is non-friable, so it has the advantage that energy consumption is little, the life-span is long, explosion-proof performance is good.

2. the utility model adopts field effect transistor as switching device in control circuit, can not produce spark, and security performance is good, is most appropriate to use in inflammable, explosive environments.

3. scheme of the present utility model 1 is simple in structure, switch need not be installed directly power on and can use, and turns on light automatically night but also have, and the function of turning off the light automatically daytime is fit to unwatched occasion and uses very much.

4. scheme 2 of the present utility model has the powered battery function, can realize continuous power supply, be fit to very much coal mine at the bottom of, occasions such as pump house, power transformation station, automatically controlled cashier's office, big tunnel.

5. scheme 3 of the present utility model has the acoustic control function, and lamp was bright when sound was arranged, and lamp goes out during voiceless sound, has saved the energy, has good society and economic benefit.

6. scheme 4 of the present utility model has the Microwave Measurement function, sound need not arranged, as long as there is target to enter its investigative range, can make lamp bright, and is more intelligent more than scheme 3.

(4), description of drawings:

Fig. 1 is one of LED explosion-proof lamp operation principle block diagram;

Fig. 2 is two of a LED explosion-proof lamp operation principle block diagram;

Fig. 3 is three of a LED explosion-proof lamp operation principle block diagram;

Fig. 4 is four of a LED explosion-proof lamp operation principle block diagram;

Fig. 5 is five of a LED explosion-proof lamp operation principle block diagram;

Fig. 6 is six of a LED explosion-proof lamp operation principle block diagram;

Fig. 7 is one of LED explosion-proof lamp operating circuit schematic diagram;

Fig. 8 is two of a LED explosion-proof lamp operating circuit schematic diagram;

Fig. 9 is three of a LED explosion-proof lamp operating circuit schematic diagram;

Figure 10 is four of a LED explosion-proof lamp operating circuit schematic diagram;

Figure 11 is five of a LED explosion-proof lamp operating circuit schematic diagram;

Figure 12 is six of a LED explosion-proof lamp operating circuit schematic diagram;

(5), embodiment:

Embodiment one: referring to Fig. 1 and Fig. 7, and a kind of explosion-proof lamp, its control circuit is made up of current-limiting circuit 1, current rectifying and wave filtering circuit 2, voltage stabilizing circuit 4 and magnetic control light-operated circuit 5.

Current-limiting circuit 1 is made up of the parallel circuits that resistance R 1 and capacitor C1 form; Current rectifying and wave filtering circuit 2 contains the rectifier bridge and the capacitor C2 that are made up of diode D1, diode D2, diode D3 and diode D4; Voltage stabilizing circuit 4 is made of a regulator block DW, the 1 termination VCC of regulator block DW, 2 termination GND1,3 termination VCC+; Photo resistance Rg in the magnetic control light-operated circuit 5 and resistance R 2 series connection constitute a bleeder circuit, their tie point links to each other with the grid of field effect transistor Q1, one end of resistance R 11 links to each other with the grid of field effect transistor Q1, the other end links to each other with magnetic switch K1, another termination GND1 of magnetic switch K1, be connected to the source electrode of field effect transistor Q1 after LED luminous tube DG1 and the LED luminous tube DG2 series connection, the drain electrode of field effect transistor Q1 links to each other with VCC+ by resistance R 4.

The alternating current that transports on the electrical network converts direct current to through current rectifying and wave filtering circuit 2 at first by current-limiting circuit 1 current limliting, passes through voltage stabilizing circuit 4 voltage stabilizings then, at last with the power supply of this direct current as magnetic control light-operated circuit 5.

Magnetic control light-operated circuit 5 can also detect extraneous light signal by photo resistance Rg, light signal is converted to the signal of telecommunication, and according to this signal of telecommunication strong, a little less than make field effect transistor Q1 by, conducting, thereby disconnect, connect the power supply of luminous element, automatically turn on light night with realization, automatically turn off the light daytime, saved the energy.

Embodiment two: referring to Fig. 2 and Fig. 8, a kind of explosion-proof lamp, numbering is identical with embodiment one among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: its control circuit is by current-limiting circuit 1, current rectifying and wave filtering circuit 2, isolate transforming switch power supply circuit 3, voltage stabilizing circuit 4, magnetic control light-operated circuit 5 and charge-discharge circuit 6 are formed, the direct current of output is through isolating 3 conversion of transforming switch power supply circuit in the current rectifying and wave filtering circuit 2, deliver to after the isolation in the voltage stabilizing circuit 4, the direct current that the process voltage stabilizing obtains is as the power supply of magnetic control light-operated circuit 5 and charge-discharge circuit 6.

The winding L 1 one termination VCC that isolate the transformer T in the transforming switch power supply circuit 3, the collector electrode of another termination triode Q3, winding L 2 one ends of transformer T are connected with the base stage of triode Q3 with the series circuit that capacitor C6 forms by resistance R 5, the other end is connected with the negative terminal of voltage-stabiliser tube D9, one end of resistance R 8 is connected with the negative terminal of voltage-stabiliser tube D9, another termination GND, the anode of capacitor C4 is connected with the negative terminal of voltage-stabiliser tube D9, negative terminal meets GND, one end of resistance R 9 is connected with the base stage of triode Q3, another termination VCC, one end of resistance R 7 is connected with the emitter of triode Q3, another termination GND, the collector electrode of triode Q2 is connected with the base stage of triode Q3, the emitter of triode Q2 meets GND, the base stage of triode Q2 is connected by the emitter of resistance R 6 and triode Q3, one end of resistance R 17 is connected with the base stage of triode Q2, the other end is connected with the anode of voltage-stabiliser tube D9, winding L 3 one ends of transformer T are connected with the anode of diode D7, another termination GND1, the negative terminal of diode D7 meets VCC+.

Isolate transforming switch power supply circuit 3 and produce alternation by triode Q3 vibration conducting, triode Q2 stablizes the working point of triode Q3, transformer T isolates power supply, thereby realizes that electrical network and control circuit are isolated and the function of raising power supply conversion efficiency, has increased the fail safe of explosion-proof lamp.

The in-phase input end of operational amplifier IQ1 in the charge-discharge circuit 6 links to each other with an end of resistance R 14, the other end of resistance R 14 is connected with the anode of diode D8, the negative terminal of diode D8 links to each other with the drain electrode of field effect transistor Q1, one end of resistance R 15 is connected with the in-phase input end of operational amplifier IQ1, another termination GND1, the inverting input of operational amplifier IQ1 is connected with an end of resistance R 13 and the anode of light-emitting diode D5, the other end of resistance R 13 is connected with the anode of diode D8, the negative terminal of light-emitting diode D5 meets GND1, the output of operational amplifier IQ1 is connected with the grid of field effect transistor Q4 by resistance R 16, one end of resistance R 12 is connected with the grid of field effect transistor Q4, another termination VCC+, the drain electrode of field effect transistor Q4 meets VCC+, source electrode connects the anode of rechargeable battery BT1 and the anode of diode D8, and the negative terminal of rechargeable battery BT1 meets GND1.

Charge-discharge circuit 6 uses an operational amplifier IQ1 to detect the cathode voltage of rechargeable battery BT1, and control the conducting of field effect transistor Q4 or end by the output of operational amplifier IQ1, determine whether charging with this to rechargeable battery BT1, inner indication light-emitting diode D5 is extinguished or light, realized the uninterrupted power supply of LED explosion-proof lamp.

Embodiment three: referring to Fig. 3 and Fig. 9, a kind of explosion-proof lamp, numbering is identical with embodiment two among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: its control circuit is made up of current-limiting circuit 1, current rectifying and wave filtering circuit 2, isolation transforming switch power supply circuit 3, voltage stabilizing circuit 4, magnetic control light-operated circuit 5, charge-discharge circuit 6 and sound control circuit 7, and the direct current that voltage stabilizing circuit 4 voltage stabilizings obtain is as the power supply of magnetic control light-operated circuit 5, charge-discharge circuit 6 and sound control circuit 7.

The anode of Mike MK in the sound control circuit 7 is connected with 2 pin by 1 pin of capacitor C9 and NAND gate IQ4A, negative terminal meets GND1, one end of resistance R 23 is connected with the anode of Mike MK, another termination VCC+, one end of resistance R 22 is connected with 2 pin with 1 pin of NAND gate IQ4A, the other end is connected with 3 pin of NAND gate IQ4A, the end of capacitor C8 is connected with 3 pin of NAND gate IQ4A, another termination GND1,3 pin of NAND gate IQ4A are connected by 2 pin of capacitor C10 and NAND gate IQ3A, one end of resistance R 21 is connected with 2 pin of NAND gate IQ3A, another termination GND1, resistance R 19 is composed in series bleeder circuit with resistance R 20, their point of contact is connected with 1 pin of NAND gate IQ3A, the negative terminal of diode D10 is connected with 3 pin of NAND gate IQ3A, anode is connected with 2 pin with 1 pin of NAND gate IQ2A, 1 pin of the anode of capacitor C12 and NAND gate IQ2A is connected with 2 pin, negative terminal meets GND1,1 pin of the negative terminal of capacitor C7 and NAND gate IQ2A is connected with 2 pin, positive termination VCC+, one end of resistance R 18 is connected with 2 pin with 1 pin of NAND gate IQ2A, another termination VCC+, and 3 pin of NAND gate IQ2A link to each other with the grid of field effect transistor Q1 by resistance R 24.

Sound control circuit 7 receives the outside sound signal by Mike MK, change voice signal into the signal of telecommunication, this signal of telecommunication drives through NAND gate IQ4A, again relatively through not gate IQ3A, drive through NAND gate IQ2A at last, with this control field effect transistor Q1 by, conducting, the ON time of field effect transistor Q1 decides by the delay circuit that resistance R 18 and capacitor C7 constitute, so just having realized can be according to strong, the weak function of connecting, disconnect luminophor power of external sound, made that man-hour is turned on light, nobody the time turn off the light, saved the energy.

Embodiment four: referring to Fig. 4 and Figure 10, a kind of explosion-proof lamp, numbering is identical with embodiment two among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: its control circuit is made up of current-limiting circuit 1, current rectifying and wave filtering circuit 2, isolation transforming switch power supply circuit 3, voltage stabilizing circuit 4, magnetic control light-operated circuit 5, charge-discharge circuit 6 and Microwave Measurement circuit 8, and the direct current that voltage stabilizing circuit 4 voltage stabilizings obtain is as the power supply of magnetic control light-operated circuit 5, charge-discharge circuit 6 and Microwave Measurement circuit 8.

Resistance R V4 one termination VCC+ in the Microwave Measurement circuit 8, the other end is connected with the anode of antenna, the negative terminal of antenna links to each other with the collector electrode of triode Q5, the emitter of resistance R V3 one termination triode Q5, another termination GND1, the end of capacitor CV1 is connected with the base stage of triode Q5, the other end is connected with the collector electrode of triode Q5, resistance R V1 and resistance R V2 are composed in series bleeder circuit, their point of contact is connected with the base stage of triode Q5, the anode of capacitor CV2 is connected with the anode of antenna, negative terminal links to each other with the end of resistance R V5, the other end of resistance R V5 links to each other with the inverting input of operational amplifier VA by resistance R V6, link to each other with the in-phase input end of operational amplifier VA by capacitor CV3, link to each other with the output of operational amplifier VA by resistance R V7, the end of capacitor CV4 links to each other with the inverting input of operational amplifier VA, the other end links to each other with the output of operational amplifier VA, the anode of capacitor CV5 links to each other with the output of operational amplifier VA, negative terminal links to each other with the in-phase input end of operational amplifier VB, the end of resistance R V8 links to each other with the in-phase input end of operational amplifier VB, another termination GND1, the inverting input of operational amplifier VB links to each other with the in-phase input end of operational amplifier VA by resistance R V11, the end of resistance R V9 links to each other with the inverting input of operational amplifier VB, another termination GND1, the output of operational amplifier VB links to each other with the inverting input of operational amplifier VC by resistance R V14, the in-phase input end of operational amplifier VC links to each other with the in-phase input end of operational amplifier VA by resistance R V12, the in-phase input end of operational amplifier VC links to each other with the in-phase input end of operational amplifier VD, the negative terminal of diode D10 links to each other with the output of operational amplifier VC, anode links to each other with the inverting input of operational amplifier VD, after resistance R V18 and the capacitor CV7 parallel connection, one end connects the inverting input of operational amplifier VD, another termination VCC+, the end of resistance R V13 links to each other with the in-phase input end of operational amplifier VD, another termination VCC+, the output of operational amplifier VD links to each other with the grid of field effect transistor Q1 by resistance R V16, the end of resistance R V17 links to each other with the output of operational amplifier VD, another termination GND1, the negative terminal of capacitor CV6 links to each other with the output of operational amplifier VD, anode links to each other with the end of resistance R V15, another termination VCC+ of resistance R V15.

Microwave Measurement circuit 8 is by triode Q5 vibration conducting driven antenna, make antenna send microwave, simultaneously, antenna receives the microwave signal of extraneous target reflection again, and convert thereof into the signal of telecommunication and send into operational amplifier VA, operational amplifier VB, operational amplifier VC and operational amplifier VD carry out multistage amplification, control the conducting of field effect transistor Q1 with this signal, end, the ON time of field effect transistor Q1 decides by the delay circuit that resistance R V18 and capacitor CV7 constitute, so just reached and need not to send the sound, as long as there is target to enter the effect that in the detection range lamp is opened automatically.

Embodiment five: referring to Fig. 5 and Figure 11, and a kind of explosion-proof lamp, numbering is identical with embodiment three among the figure, the same meaning of representative, its course of work is also basic identical, and something in common does not repeat, and difference is: do not have charge-discharge circuit 6 in the control circuit.

Embodiment six: referring to Fig. 6 and Figure 12, and a kind of explosion-proof lamp, numbering is identical with embodiment four among the figure, the same meaning of representative, its course of work is also basic identical, and something in common does not repeat, and difference is: do not have charge-discharge circuit 6 in the control circuit.

Claims

1. LED multifunctional series energy-saving explosion-proof lamp, contain the LED luminous tube, control circuit and shell, contain current-limiting circuit in the control circuit, current rectifying and wave filtering circuit and voltage stabilizing circuit, the output of current-limiting circuit is connected with the input of current rectifying and wave filtering circuit, the output of current rectifying and wave filtering circuit is connected with the input of voltage stabilizing circuit, it is characterized in that: described control circuit also contains a magnetic control light-operated circuit, the magnetic control light-operated circuit contains magnetic switch (K1), photo resistance (Rg) and field effect transistor (Q1), the power end of magnetic control light-operated circuit is connected with ground with the power output end of voltage stabilizing circuit respectively with ground, photo resistance (Rg) is attempted by between the grid and ground (GND1) of field effect transistor (Q1), between magnetic switch (K1) and grid that also is attempted by field effect transistor (Q1) after resistance (R11) is connected and the ground (GND1), the positive pole of LED luminous tube is connected to the source electrode of field effect transistor (Q1), the minus earth of LED luminous tube.

2. LED multifunctional series energy-saving explosion-proof lamp according to claim 1, it is characterized in that: the grid of described field effect transistor (Q1) is connected with power supply (VCC+) by resistance (R2), the drain electrode of field effect transistor (Q1) is connected the LED luminous tube that described LED luminous tube is one or more serial or parallel connections by resistance (R4) with power supply (VCC+).

3. LED multifunctional series energy-saving explosion-proof lamp according to claim 1 and 2, it is characterized in that: described control circuit also contains isolates transforming switch power supply circuit and charge-discharge circuit, isolate the transforming switch power supply circuit and contain transformer (T), triode (Q2) and triode (Q3), the input of isolating the transforming switch power supply circuit is connected with the output of current rectifying and wave filtering circuit, the output of isolating the transforming switch power supply circuit is connected with the input of voltage stabilizing circuit, the winding (L1) of transformer (T) is attempted by between the collector electrode of power supply (VCC) and triode (Q3), the collector electrode of triode (Q2) is connected with the base stage of triode (Q3), the base stage of triode (Q2) is connected by the emitter of resistance (R6) and triode (Q3), and winding (L3) end of transformer (T) is connected with the input of voltage stabilizing circuit by diode (D7); Charge-discharge circuit contains rechargeable battery (BT1), field effect transistor (Q4) and operational amplifier (IQ1), the power end of charge-discharge circuit is connected with ground with the power output end of voltage stabilizing circuit respectively with ground, the anode of the rechargeable battery in the charge-discharge circuit (BT1) is connected by the drain electrode of the field effect transistor (Q1) in diode (D8) and the magnetic control light-operated circuit, the source electrode of field effect transistor (Q4) connects the anode of rechargeable battery (BT1) and is connected with the in-phase input end of operational amplifier (IQ1) by resistance (R14), and the output of operational amplifier (IQ1) is connected with the grid of field effect transistor (Q4) by resistance (R16).

4. LED multifunctional series energy-saving explosion-proof lamp according to claim 3, it is characterized in that: the emitter of triode (Q3) is connected with ground (GND) by resistance (R7) in the described isolation transforming switch power supply circuit, the base stage of triode (Q3) is connected with power supply (VCC) by resistance (R9), the grounded emitter (GND) of triode (Q2), the series circuit that winding (L2) end of transformer (T) is formed by resistance (R5) and capacitor (C6) is connected with the base stage of triode (Q3), and the other end is connected with ground (GND) by resistance (R8); The inverting input of the operational amplifier in the charge-discharge circuit (IQ1) is connected with the anode of rechargeable battery (BT1) by resistance (R13), light-emitting diode (D5) is attempted by between the inverting input and ground (GND1) of operational amplifier (1Q1), the drain electrode of field effect transistor (Q4) connects power supply (VCC+), the negativing ending grounding (GND1) of rechargeable battery (BT1).

5. LED multifunctional series energy-saving explosion-proof lamp according to claim 4, it is characterized in that: described control circuit also contains a sound control circuit, contain Mike (MK) in the sound control circuit, NAND gate (IQ2A), NAND gate (IQ3A) and NAND gate (IQ4A), the power end of sound control circuit is connected with ground with the power output end of voltage stabilizing circuit respectively with ground, the output of the NAND gate in the sound control circuit (IQ2A) is connected by the grid of the field effect transistor (Q1) in resistance (R24) and the magnetic control light-operated circuit, Mike's (MK) anode is connected by the input of capacitor (C9) and NAND gate (IQ4A), the output of NAND gate (IQ4A) is connected by an input of capacitor (C10) and NAND gate (IQ3A), and the output of NAND gate (IQ3A) is connected by the input of diode (D10) and NAND gate (IQ2A).

6. LED multifunctional series energy-saving explosion-proof lamp according to claim 5, it is characterized in that: Mike's in the described sound control circuit (MK) negativing ending grounding (GND1), Mike's (MK) anode is connected with power supply (VCC+) by resistance (R23), resistance (R22) is attempted by between the input and output of NAND gate (IQ4A), resistance (R19) is composed in series bleeder circuit with resistance (R20), and their point of contact is connected with another input of NAND gate (IQ3A).

7. LED multifunctional series energy-saving explosion-proof lamp according to claim 4, it is characterized in that: described control circuit also contains a Microwave Measurement circuit, contain antenna in the Microwave Measurement circuit, operational amplifier (VA), operational amplifier (VB), operational amplifier (VC), operational amplifier (VD) and triode (Q5), the power end of Microwave Measurement circuit is connected with ground with the power output end of voltage stabilizing circuit respectively with ground, the output of the operational amplifier in the Microwave Measurement circuit (VD) is connected by the grid of the field effect transistor (Q1) in resistance (RV16) and the magnetic control light-operated circuit, the negative terminal of antenna links to each other with the collector electrode of triode (Q5), the anode of antenna is by capacitor (CV2), resistance (RV5) links to each other with the inverting input of operational amplifier (VA) with the series circuit that resistance (RV6) is formed, the output of operational amplifier (VA) links to each other with the in-phase input end of operational amplifier (VB) by capacitor (CV5), the output of operational amplifier (VB) links to each other with the inverting input of operational amplifier (VC) by resistance (RV14), and the output of operational amplifier (VC) links to each other with the inverting input of operational amplifier (VD) by diode (D10).

8. LED multifunctional series energy-saving explosion-proof lamp according to claim 7, it is characterized in that: the anode of the antenna in the described Microwave Measurement circuit is connected with power supply (VCC+) by resistance (RV4), the emitter of triode (Q5) is connected with ground (GND1) by resistance (RV3), resistance (RV1) is composed in series bleeder circuit with resistance (RV2), their point of contact is connected with the base stage of triode (Q5), the tie point of resistance (RV5) and resistance (RV6) links to each other by the in-phase input end of capacitor (CV3) with operational amplifier (VA), the inverting input of operational amplifier (VB) links to each other with the in-phase input end of operational amplifier (VA) by resistance (RV11), and the in-phase input end of the in-phase input end of operational amplifier (VC) and operational amplifier (VD) all links to each other by the in-phase input end of resistance (RV12) with operational amplifier (VA).