CN104883790A - Lighting and emergency-meeting dual-purpose lamp applicable to DC low voltage - Google Patents
Lighting and emergency-meeting dual-purpose lamp applicable to DC low voltage Download PDFInfo
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- CN104883790A CN104883790A CN201510306672.XA CN201510306672A CN104883790A CN 104883790 A CN104883790 A CN 104883790A CN 201510306672 A CN201510306672 A CN 201510306672A CN 104883790 A CN104883790 A CN 104883790A
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Abstract
The invention discloses a lighting and emergency-meeting dual-purpose lamp applicable to DC low voltage, which comprises an AC/DC conversion device and a dual-purpose lamp body, wherein the AC/DC conversion device is connected to 110-280V alternating current, then the output end of the AC/DC conversion device is connected to the dual-purpose lamp body, the AC/DC conversion device can use alternating current and direct current simultaneously, and the dual-purpose lamp body can support the 110-280V alternating current and 1.5-36V DC low voltage. The dual-purpose lamp disclosed by the invention can satisfy two functions of lighting and emergency meeting simultaneously, and realizes a purpose that two requirements of lighting and emergency meeting can be satisfied by only designing one power supply system in a building.
Description
Technical field
The invention belongs to technical field of circuit design, be specifically related to a kind of illumination being suitable for DC low-voltage and meet an urgent need Double-duty lamp.
Background technology
The lighting circuit that the public places such as current school, market use and emergency circuit separate.Because the common power circuit such as illumination is the alternating current Circuits System of national standard 220V, emergency circuit is then common direct current circuit.Therefore, when building the high buildings and large mansions such as school, market, people often need the layout of design two kinds of circuit.Therefore design a kind of device, make building to design circuit kit, and the situation that this circuit can reach the common electricity consumption of illumination and case of emergency electricity consumption simultaneously accords with the demands of the market; Only need above-mentioned device or inadequate in addition because 1, existing lighting bulb and light fixture be only suitable for a kind of voltage, as single voltages such as 220V.The voltage of the illuminating lamp therefore installed in high buildings and large mansions often only adaptive 220V, and when breaking out of fire or floods in building, or during inside buildings fault, people can only rely on the emergency light of inside buildings, and the emergency light that inside buildings is placed is arranged on the specific position in fire fighting passageway, when general illumination has a power failure, the brightness of emergency light can only meet the basic escape light source of people, in the escape demand in modern times, existing emergency light light is obvious excessively weak, easily cause escape personnel act hurriedly in a messy situation in trample accident or escape efficiency low, easily cause confusion.2, existing family expenses or room lighting that is commercial or public illumination class only have the effect of normal illumination, when having a power failure, room lighting extinguishes, work is caused to stop instantaneously, work is interrupted, process follow-up work is inconvenient or under natural daylight, can only tidy up work easily, and easily cause the confusion of work maybe cannot carry out, this illumination defect has to be solved.Therefore use there is illumination, the Double-duty lamp of emergent two kinds of functions accords with the demands of the market, and light fixture can be applicable to DC low-voltage, and can solve the problem, and this light fixture can also make the lighting circuit of script and emergency circuit unite two into one.
Summary of the invention
The object of this invention is to provide a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, provide one can realize alternating current input and input mutually change with direct current, and the Double-duty lamp of illumination, emergent two kinds of functions can be met, and achieve in building the object only needing design electric power system can meet illumination and emergent two kinds of needs.
The technical solution adopted in the present invention is, a kind of illumination being suitable for DC low-voltage is met an urgent need Double-duty lamp, and comprise the DC-AC conversion device of incoming transport power supply, DC-AC conversion device is also connected with Double-duty lamp main body;
Wherein DC-AC conversion device comprises user's electric wire and enters wiretap, the user's electric wire access switch connecting power supply L end is connected with solenoid, solenoid connects voltage stabilizing charge power supply, the user's electric wire access switch connecting power supply N end is connected with voltage stabilizing charge power supply, voltage stabilizing charge power supply also connects two solenoid controlled switches, and two solenoid controlled switches connect the L of input power respectively, N holds, wherein solenoid and user's electric wire enter between wiretap to be connected with current overload protection pillar, wherein voltage stabilizing charge power supply is connected with dc-battery with being connected between solenoid controlled switch that N holds,
Wherein Double-duty lamp main body comprises current insurance pipe, current insurance pipe is connected with low frequency inductance device module in parallel and high frequency electronic switch circuit, low frequency inductance devices are also connected with full-wave rectifying circuit soon, high frequency electronic switch circuit is connected with voltage stabilizing circuit, and voltage stabilizing circuit is all connected with LED with full-wave rectifying circuit;
The power supply that wherein the current insurance pipe of Double-duty lamp main body and two solenoid controlled switches of DC-AC conversion device pick out exports L, N and holds and be connected.
Feature of the present invention is also,
Wherein during DC-AC conversion device use alternating current, two solenoid controlled switches upwards close; During DC-AC conversion device use direct current, two solenoid controlled switches close downwards.
Wherein low frequency inductance device module comprises low frequency inductance device coil, and one end of low frequency inductance device coil is connected with full-wave rectifying circuit, and the other end of low frequency inductance device coil is connected with high frequency electronic switch circuit.
Wherein low frequency inductance device module also comprises the AC relay coil with low frequency inductance device coil parallel join, and between low frequency inductance device coil and current insurance pipe, being connected with the normally closed and normal open switch of AC relay coil, AC relay coil is normally closed to be connected with AC relay coil with normal open switch.
Wherein low frequency inductance device module also comprises, the AC relay coil be connected between current insurance pipe with high frequency electronic switch circuit.
Wherein low frequency inductance device coil also comprises the capacitor of parallel join between low frequency inductance device coil and current insurance pipe, resistance and low frequency inductance device normally closed switch.
Wherein be connected with the normally closed and normal open switch of direct current relay normally closed switch, AC relay coil between low frequency inductance device coil and current insurance pipe, L low frequency inductance device coil also with at least two diodes in parallels, and between current insurance pipe and high frequency electronic switch circuit, be also connected with the normally closed and normal open switch of AC relay coil.
Wherein also be connected with the normally closed and normal open switch of AC relay coil between high frequency electronic switch circuit and AC relay coil, and two AC relay coils are normally closed and normal open switch is connected to each other.
Wherein high frequency electronic switch circuit can be changed to low-frequency transformer, and is connected with a full-wave rectifying circuit between low-frequency transformer and voltage stabilizing circuit.
Wherein the port one of low-frequency transformer is connected with current insurance pipe, and port 3,4 is connected with LED, and port 2 is connected with full-wave rectifying circuit.
The invention has the beneficial effects as follows, achieve the object that the emergent Double-duty lamp of illumination can be suitable for the different supply voltage such as 110-280V alternating voltage and low-voltage AC/DC 1.5-36V, make the emergency circuit of inside buildings and general lighting circuit can merge use; Use high frequency electronic switch can improve the service efficiency of light fixture to greatest extent, Loss reducing, make the brightness of illumination that can ensure light fixture when low-voltage, and the emergency circuit of inside buildings and general lighting circuit can merge use, and this light fixture can be applied simultaneously and throw light on and meet an urgent need two kinds of purposes; Low-frequency transformer can make Double-duty lamp when change in voltage, uses more stable, improves the life-span of Double-duty lamp, and service time; And light fixture can adapt in case of emergency portable lighting use, also can install and use in fixed places such as indoor, fire fighting passageways, the circuit of this lighting can not change the bright brightness of Original Photo after alterating and direct current conversion, the conversion of voltage does not affect the brightness of light fixture, accords with the demands of the market; Be applicable to various emergent, the general lighting use such as office, factory building, family expenses, hospital, government, improve the brightness of process fire emergency, reduce our work, life will make because of instant cut-off illuminating lamp extinguish, can continue to process the work under connecing.
Accompanying drawing explanation
Fig. 1 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the structural representation of Double-duty lamp;
Fig. 2 is that a kind of illumination being suitable for DC low-voltage of the present invention DC-AC conversion device in Double-duty lamp of meeting an urgent need uses direct current status circuit figure;
Fig. 3 is that a kind of illumination being suitable for DC low-voltage of the present invention DC-AC conversion device in Double-duty lamp of meeting an urgent need uses alternate current states circuit diagram;
Fig. 4 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment one;
Fig. 5 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment two;
Fig. 6 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment three;
Fig. 7 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment four;
Fig. 8 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment five;
Fig. 9 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment six;
Figure 10 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment seven;
Figure 11 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment eight;
Figure 12 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment nine;
Figure 13 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment ten;
Figure 14 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment 11;
Figure 15 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment 12;
Figure 16 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment 13;
Figure 17 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment 14;
Figure 18 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment 15;
Figure 19 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment 16;
Figure 20 is that a kind of illumination being suitable for DC low-voltage of the present invention is met an urgent need the circuit connection diagram of Double-duty lamp main body in Double-duty lamp embodiment 17.
In figure, LN: power input, FU: current overload safety pipe, A/D square: high frequency electronic switch stabilized voltage power supply 1.2 is alternating current inputs, 3.4 is that low-voltage DC exports, T: low-frequency transformer power supply, L: low frequency inductance device coil, LK:L low frequency inductance device normally closed switch, LD: direct current relay coil, LA: AC relay coil, LAK: the normally closed and normal open switch of AC relay coil, LDK:LD direct current relay normally closed switch, LED: light-emitting diode and emitting components, ZD: voltage stabilizing didoe, D: diode, C: capacitor, R: resistance, K: user's electric wire enters wiretap, TK: solenoid controlled switch.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, as shown in Figure 1, comprise DC-AC conversion device, DC-AC conversion device is also connected with Double-duty lamp main body;
Wherein DC-AC conversion device comprises user's electric wire and enters wiretap, the user's electric wire access switch connecting power supply L end is connected with solenoid, solenoid connects voltage stabilizing charge power supply, the user's electric wire access switch connecting power supply N end is connected with voltage stabilizing charge power supply, voltage stabilizing charge power supply also connects two solenoid controlled switches, and two solenoid controlled switches connect L, N end of input power respectively, and input power can be accessed by alternating current 110-280V, direct current 1.5-36V; Wherein solenoid and user's electric wire enter between wiretap to be connected with current overload protection pillar, and wherein voltage stabilizing charge power supply is connected with dc-battery with being connected between solenoid controlled switch that N holds;
Wherein Double-duty lamp main body comprises current insurance pipe, current insurance pipe is connected with low frequency inductance device module in parallel and high frequency electronic switch circuit, low frequency inductance devices are also connected with full-wave rectifying circuit soon, high frequency electronic switch circuit is connected with voltage stabilizing circuit, and voltage stabilizing circuit is all connected with LED with full-wave rectifying circuit; And the power supply that the current insurance pipe of Double-duty lamp main body and two solenoid controlled switches of DC-AC conversion device pick out exports L, N holds and be connected.
The meet an urgent need specific embodiment of Double-duty lamp of a kind of illumination being suitable for DC low-voltage of the present invention is as follows:
Embodiment one
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device, comprise user's electric wire lambda line K switch as shown in Figure 2, user's electric wire lambda line K switch connects input power LN, wherein connect between user's electric wire lambda line K switch of L port and solenoid T and be connected with current overload protection pillar FU, and solenoid T also with solenoid controlled switch TK1 parallel join, be connected user's electric wire lambda line K switch to be connected with voltage stabilizing charge power supply A/D with N port, voltage stabilizing charge power supply A/D is also connected with solenoid T, voltage stabilizing charge power supply A/D is also connected with solenoid controlled switch TK2, and voltage stabilizing charge power supply A/D also and between solenoid controlled switch TK2 is provided with dc-battery D, solenoid controlled switch TK2 is also directly connected with N port, wherein when electricity consumer lambda line K switch disconnects or alternating current wires L/N no current inputs, what solenoid T sensed is lower than 150V voltage, solenoid T only can produce more weak magnetic attraction, as shown in Figure 3, solenoid controlled switch TK1, TK2 pull switch contact is closed or reset downwards, and dc-battery D is by solenoid controlled switch TK1, TK2 circuit L/N output direct current to user side,
Wherein Double-duty lamp main body, as shown in Figure 4, comprise current insurance pipe FU, FU is the output direct current L of current overload safety pipe and DC-AC conversion device, N port connects, FU is connected with low frequency inductance device module in parallel and high frequency electronic switch circuit, wherein low frequency inductance device module comprises low frequency inductance device coil L, gate-controlled switch K is connected with in turn between one end of L and FU, normally closed and the normal open switch LAK of AC relay coil, wherein high frequency electronic switch is high frequency electronic switch stabilized voltage power supply A/D, AC relay coil LA is connected with between FU and A/D port 2, A/D port one is also connected with LAK, wherein the other end of L is connected with full-wave rectifying circuit, and full-wave rectifying circuit is the diode being at least 2 be connected in turn, and full-wave rectifying circuit is also connected with A/D port 2, full-wave rectifying circuit is connected with LED, and LED is two or more LED light-emitting diodes in parallel, LED is also connected with voltage-stabiliser tube, and voltage-stabiliser tube is voltage stabilizing didoe ZD, ZD is connected on A/D port 3 and port 4.
Wherein the using method of DC-AC conversion device is when the closed energising of user's lambda line K switch, solenoid T setting is born as 110-280V voltage, during alternating current input, solenoid T can produce larger magnetic attraction, as shown in Figure 1, solenoid controlled switch TK1, TK2 Drawing switch contact upwards closes, alternating current is passed through, to user side circuit L/N pass through electric current, because alternating current circuit L/N is connected with voltage stabilizing charge power supply A/D, alternating current by time can give voltage stabilizing charge power supply A/D power, voltage stabilizing charge power supply A/D output circuit is connected with dc-battery D, voltage stabilizing charge power supply A/D charges to dc-battery D.
Embodiment two
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, and the Double-duty lamp main body of embodiment two is different from the low frequency inductance device module of the Double-duty lamp main body of embodiment one, as shown in Figure 5, the low frequency inductance device module of embodiment two also comprises the LAK2 be connected between AC relay coil LA with high frequency electronic switch circuit A/D, and wherein LAK2 and LAK1 connects.
Embodiment three
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, and the Double-duty lamp main body of embodiment three is different from the low frequency inductance device module of the Double-duty lamp main body of embodiment one, as shown in Figure 6, the low frequency inductance device module of embodiment three comprises low frequency inductance device coil L, one end of L is connected with full-wave rectifying circuit, normally closed and the normal open switch LA2K of AC relay coil is connected with in turn between the other end of L and current insurance pipe FU, LAK, wherein LA2K is connected with the LA2 of L parallel connection, LA between LAK and FU with high frequency electronic switch circuit A/D is connected.
Embodiment four
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, and the Double-duty lamp main body of embodiment four is different from the low frequency inductance device module of the Double-duty lamp main body of embodiment three, as shown in Figure 7, the low frequency inductance device module of embodiment four also comprises the LAK2 be connected between AC relay coil LA with high frequency electronic switch circuit A/D, and wherein LAK2 and LAK1 connects.
Embodiment five
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, and the Double-duty lamp main body of embodiment five is different from the low frequency inductance device module of the Double-duty lamp main body of embodiment one, as shown in Figure 8, the low frequency inductance device module of embodiment five comprises low frequency inductance device coil L, one end of L is connected with full-wave rectifying circuit, is connected with LD direct current relay normally closed switch LDK and the normally closed and normal open switch LAK of AC relay coil between the other end of L and current insurance pipe FU in turn; AC relay coil LA between LAK with high frequency electronic switch circuit A/D is connected; L is connected in parallel with diode D5, the D8 connected, and L is connected in parallel with diode D6, the D7 connected, and is wherein in series with voltage stabilizing didoe ZD2 and direct current relay coil LD between D5, D8 and between D6, D7 successively, and wherein LD and LDK connects.
Embodiment six
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, and the Double-duty lamp main body of embodiment six is different from the low frequency inductance device module of the Double-duty lamp main body of embodiment five, as shown in Figure 9, the low frequency inductance device module of embodiment six also comprises the normally closed and normal open switch LA1K2 of the AC relay coil be connected between AC relay coil LA with high frequency electronic switch circuit A/D, wherein LA1K2 and LA1K1 connection.
Embodiment seven
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, Double-duty lamp main body as shown in Figure 10, LN is the input of the low-voltage dc power supply such as 110-280V AC power and 1.5-36V, 110-280V AC power live wire connects FU current overload safety pipe through L contact, the other end of FU current overload safety pipe connects electric capacity C and L low frequency inductance device coil, the other end of electric capacity C connects the elementary defeated coil 1 of low-frequency transformer T, the elementary input coil 2 of low-frequency transformer T connects 110-280V AC power zero line N, the elementary input coil 1 and 2 of low-frequency transformer T has alternating voltage, low-frequency transformer T secondary coil 3 and 4 electromagnetic induction is to low-voltage ac voltage, low-frequency transformer T secondary coil 3 is connected with rectifier diode D5 positive pole and D7 negative pole, low-frequency transformer T secondary coil 4 is connected with rectifier diode D6 positive pole and D8 negative pole, rectifier diode D5 negative pole is with D6 negative pole and be connected, rectifier diode D7 positive pole and D8 positive pole also connect to form full-wave rectification DC power supply, rectifier diode D5 negative pole and D6 negative pole are also connected output for the output of low-voltage dc voltage positive pole, rectifier diode D7 positive pole and D8 positive pole are also connected for low-voltage dc voltage negative pole exports, rectifier diode D5 negative pole and D6 negative pole are also connected the cathode voltage exported and are connected with LED positive pole and ZD voltage-stabiliser tube negative pole, rectifier diode D7 positive pole and D8 positive pole, and connect output negative pole voltage and be connected with LED negative pole and ZD voltage-stabiliser tube positive pole, the effect of ZD voltage-stabiliser tube makes the voltage of LED light-emitting diode two end can not higher than the operating voltage of LED light-emitting diode.
When LN inputs 110-280V alternating voltage, the electric current flowing through L low frequency inductance device coil is little, and visual no current passes through.LN is the input of the low-voltage dc power supply such as 110-280V AC power and 1.5-36V, when LN has 1.5-36V low-voltage dc power supply to input, low-tension current connects FU current overload safety pipe through L contact, the other end of FU electric current is connected with electric capacity C and L low frequency inductance device coil, the other end of L low frequency inductance device coil is connected with rectifier diode D1 positive pole and D2 negative pole, the other end N of low-tension current input is connected with rectifier diode D3 negative pole and D4 positive pole, the negative pole of D4 is connected output positive voltage with D1 negative pole, this positive voltage is connected to ZD voltage stabilizing didoe negative pole and LED light-emitting diode positive pole, the positive pole of D3 is connected output negative voltage with D2 positive pole, this negative voltage is connected to ZD voltage stabilizing didoe positive pole and LED light-emitting diode negative pole.When LN inputs low-voltage DC pressure energy smoothly by the L low frequency inductance device coil of low-resistance value, but do not connect high resistance T low-frequency transformer elementary 1 and 2 coil by C electric capacity.
Embodiment eight
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, Double-duty lamp main body as shown in figure 11, LN is the input of the low-voltage dc power supply such as 110-280V AC power and 1.5-36V, when 110-280V AC power live wire connects FU current overload safety pipe through L contact, the FU current overload safety pipe other end connects the elementary input coil 1 of low-frequency transformer T and LA AC relay coil and LAK AC relay normally closed switch, the LAK AC relay normally closed switch other end connects L low frequency inductance device coil, the other end of L low frequency inductance device coil is with LAK AC relay normally closed switch and connect and be connected with rectifier diode D1 positive pole and D2 negative pole, other circuit is identical with previous circuit, simply need not from multiple discussion at this.Effect and the circuit theory of real additional LA AC relay is mainly discussed at this, LAK normally closed switch and L low frequency inductance device coil are connected into series circuit, when LN has 110-280V Jiao to flow electricity Ya Time, L low frequency inductance device coil has larger current, in order to make LED light-emitting diode and ZD voltage stabilizing didoe Zheng normal Gong Zuo Time, be not subject to should ringing of the electric current and voltage of L low frequency inductance device coil, just must cut off the connection of L low frequency inductance device coil, because this increasing LA AC relay, LAK is AC relay normally closed switch, and its operation principle is as follows; When LN has 110-280V Jiao to flow electricity Ya Time, there is voltage at LA AC relay coil two ends, and LAK AC relay normally closed switch disconnects, and makes L low frequency inductance device coil not have electric current and voltage to pass through.When LN has low pressure direct current Time, N low-voltage DC connects L low frequency inductance device coil and full-wave rectification diode D1 through LAK normally closed switch, and D2, LED, ZD, D3, D4 and N are connected, and make LN low-voltage DC and LED light-emitting diode operated in series connection.
L low frequency inductance device coil does not produce electricity to direct current and expands, L low frequency inductance device coil resistance is very little, less to low-power LED luminous tube electricity loss, but L low frequency inductance device coil produces alternating electromagnetic field to 110-280V alternating voltage, this friendship becomes electromagnetic field No and is converted the use of secondary electric energy, L low frequency inductance device coil produces great resistance to 110-280V alternating current, flows through L low frequency inductance device coil current few.
Embodiment nine
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, and the difference of the Double-duty lamp main body of the main body of the Double-duty lamp of embodiment nine and embodiment eight, as shown in figure 12, L low frequency inductance device carries LK switch anti-overflow protective circuit principle, special lighting Double-duty lamp technical requirement of meeting an urgent need uses 110-280V Jiao Liu electricity Time, the coil resistance of L low frequency inductance device is the bigger the better, use the coil resistance of low pressure direct current Time L low frequency inductance device the smaller the better, therefore develop L low frequency inductance device and carry LK switch, it is by C electric capacity, R resistance, the structure incorporated L low frequency inductance devices such as LK switch and L low frequency inductance device coil, this L low frequency inductance device is low to resistance in low-voltage DC, very large to resistance in alternating current.L power supply lambda line connects C electric capacity, R resistance, LK normally closed switch through FU insurance, T low-frequency transformer primary coil 1, C, R, the other end of LK connects L low frequency inductance device coil, the other end of L low frequency inductance device coil and rectifier diode D1 positive pole, and D2 negative pole connects, D1 negative pole connects LED positive pole, ZD voltage-stabiliser tube negative pole, and D4 negative pole connects, D2 positive pole connects LED negative pole, ZD voltage-stabiliser tube positive pole, and rectifier diode D3 positive pole connects, D3 negative pole, D4 positive pole, T low-frequency transformer primary coil 2 is connected to N power supply lambda line.When LN power supply input 110-280V Jiao flows electricity Ya Time, there is voltage at L low frequency inductance device coil two ends, and LK switch becomes disconnection from conducting.C electric capacity, R resistance and LK switch connecting mainly acts on dimension and relies on L low frequency inductance device coil and have a small amount of electric current to pass through, and LK switch is protected and relies on off-state.
Embodiment ten
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, and the difference of the Double-duty lamp main body of the main body of the Double-duty lamp of embodiment ten and embodiment eight, as shown in figure 13, LD direct current relay circuit theory joined by L low frequency inductance device, LN power input terminal L connects FU protective tube, the other end of FU protective tube connects LDK switch, C electric capacity, R resistance, T low-frequency transformer elementary 1, LDK switch, C electric capacity, the other end of R resistance connects L low frequency inductance device, D5 positive pole, D6 negative pole, D5 negative pole connects ZD voltage-stabiliser tube negative pole, D8 negative pole, ZD2 voltage-stabiliser tube positive pole connects LD direct current relay coil, the other end of LD direct current relay coil connects D6T7 positive pole, D7 negative pole connects D8 positive pole, L low frequency inductance device, D1 positive pole, D2 negative pole, D1 positive pole LED positive pole, ZD1 voltage-stabiliser tube negative pole, D4 diode cathode connects, D2 positive pole connects LED negative pole, ZD1, voltage-stabiliser tube positive pole, D3 diode cathode, D3 diode cathode, D4 diode cathode connects walks to receive N power input terminal.When LN has 110-280V electricity Yuan Shu Ru Time, LD direct current relay coil obtains a galvanic current pressure ， Ci Time LDK switch and is become from conducting obstructed, and L low frequency inductance device and L power input terminal are disconnected, voltage can not be input to D1 through L low frequency inductance device coil, and D2 diode is powered to LED.When LN power input terminal has 110-280V Shu Ru Time, 110-280V power supply can only pass through T low-frequency transformer elementary 1,2 through T low-frequency transformer secondary 3, and 4 sense 3 to 5V alternating voltage, through D9, D10, D11, D12 are combined into full-wave rectification and become DC power supply, supply LED voltage, in order to make the voltage stabilization of LED, add a zD1 voltage stabilizing didoe.LN power input terminal changes low-voltage DC Shu Ru Time into, and LD direct current relay coil can not get voltage, LDK switch conduction, and low-voltage DC carries voltage to LED through FU, LDK, L, D1, D2.
Small-power T low-frequency transformer primary coil 1,2 is with LN power input terminal and connect, and because the D.C. resistance of its primary coil 1,2 is comparatively large, primary coil 1,2 can not serial capacitors, also can serial-connected capacitors work.
Embodiment 11
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, wherein Double-duty lamp main part as shown in figure 14, comprise FU current overload safety pipe, FU current overload safety pipe connects and is connected with the input of 110-280V AC power or 1.5-36V low-voltage dc power supply; FU current overload safety pipe is also connected with low frequency inductance device module 2, and low frequency inductance device module 2 comprises the LAK switch, LK switch and the L low frequency inductance device coil that connect successively; And LAK switch and power supply input LA switch is connected, LAK switch is also connected with the port one of low-frequency transformer 1, port 2 and the power supply of low-frequency transformer 1 input LA switch and full-wave rectifier power supply a4 parallel join, and the port 3/4 of low-frequency transformer 1 is all connected with full-wave rectifier power supply b3; Full-wave rectifier power supply b3 comprises diode D5, the D6 of two groups of parallel connections, D7, D8 and LED light-emitting diode 6 connects, and LED light-emitting diode 6 comprises the LED of two or more parallel connections; LED light-emitting diode 6 is also connected with ZD power supply stabilization circuit 6, and ZD power supply stabilization circuit 6 comprises ZD voltage stabilizing didoe; ZD power supply stabilization circuit is connected with full-wave rectifier power supply a4, and full-wave rectifier power supply a4 comprises the diode of two or more series connection, and full-wave rectifier power supply a4 is also connected with the L low frequency inductance device coil of low frequency inductance device module 2.
LA Miniature alternating-current relay is connect at LN power input FU protective tube series winding, LAK switch is connected with LN power input FU protective tube, as LN power input input low-voltage direct electricity Ya Time, LA Miniature alternating-current relay no current, the low-voltage DC of LN power input is sent to the operating voltage needed for LED electroluminescent lamp through FU protective tube and LAK switch and the built-in LK switch of L low frequency inductance device and L low frequency inductance device coil.When LN power input input 110-280V Jiao flows electricity Ya Time, LA Miniature alternating-current relay coil has operating current, LAK switch, not conducting is become by conducting, become conducting by not conducting, T low-frequency transformer power supply 1 is connected to and is connected through LAK switch connection FU protective tube, T low-frequency transformer elementary 1,2 have 110-280V voltage, through the step-down of T low-frequency transformer, D9, D10, D11, D12 diode rectification becomes direct voltage supply LED.And when L low frequency inductance device Inner is equipped with LK switch, if L low frequency inductance device has alternating current to pass through, L low frequency inductance device Inner puts Lk switch conduction and becomes not conducting.
Embodiment 12
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, in embodiment 12, the difference of Double-duty lamp main body and embodiment 11 Double-duty lamp main body is, as shown in figure 15, wherein low frequency inductance device module comprises L low frequency inductance device coil, L low frequency inductance device coils from parallel connection of coils LA2 AC relay coil, one end of L low frequency inductance device coil is connected with full-wave rectifier power supply a4, the other end of L low frequency inductance device coil connects the normally closed and normal open switch of LA2K AC relay coil successively and LA1K1 AC relay coil is normally closed and normal open switch, and LA1K1 and LA2 connects, LA1K1 is connected with power supply LA diverter switch.
Embodiment 13
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, in embodiment 13, the difference of Double-duty lamp main body and embodiment 11 Double-duty lamp main body is, as shown in figure 16, wherein low frequency inductance device module comprises L low frequency inductance device coil, L low frequency inductance device coil and two groups of diodes in parallels, and often group diode comprises at least two diodes, LD direct current relay coil is also connected with between two groups of diodes, one end of L low frequency inductance device coil is connected with full-wave rectifier power supply a4, the other end of L low frequency inductance device coil connects LDK direct current relay normally closed switch successively, normally closed and the normal open switch of LAK AC relay coil, and LDK and LD connects, LAK is connected with power supply LA diverter switch.
Embodiment 14
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, wherein Double-duty lamp main part, as shown in figure 17, comprise current overload protection pillar FU, FU connects power input LN, FU is connected with low frequency inductance module in parallel and high frequency electronic switch electric current, low frequency inductance module is low frequency inductance device coil L, high frequency electronic switch is high frequency electronic switch stabilized voltage power supply A/D, L is also connected with full-wave rectifying circuit, full-wave rectifying circuit is that two groups of diodes in parallel connect, and often group diode comprises at least two diodes, voltage stabilizing circuit is connected with between full-wave rectifying circuit and LED light-emitting diode, voltage stabilizing circuit is voltage stabilizing didoe ZD, LED light-emitting diode comprises at least two light-emitting diodes and emitting components, LED light-emitting diode is also connected with A/D,
LN is the power input of 110-280V AC power and 1.5-36V, the object of high frequency electronic switch power supply class output circuit principle 220V alternating voltage is become stable low-voltage dc voltage be supplied to LED, high frequency electronic switch power supply A/D calcspar represents, 1,2 are same as low-frequency transformer power supply 1,2, all belong to 110-280V power supply input, high frequency electronic switch power supply A/D calcspar represent 3,4 are same as low frequency, 3,4 of transformer frequency response, belongs to and becomes low pressure.
Embodiment 15
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, wherein the difference of the Double-duty lamp main body of embodiment 15 and the Double-duty lamp main body of embodiment 14 is, as shown in figure 18, connect with normal open switch LAK with AC relay coil is normally closed in one end of low frequency inductance device coil L, L is also in parallel with AC relay coil LA, and LA and LAK connects, and LAK is connected with current overload safety pipe FU, and the other end of L is connected with full-wave rectifying circuit.
Embodiment 16
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, wherein the difference of the Double-duty lamp main body of embodiment 16 and the Double-duty lamp main body of embodiment 14 is, as shown in figure 19, one end of low frequency inductance device coil L is connected with full-wave rectifying circuit, the other end of L is connected with capacitor C, resistance R in parallel and L low frequency inductance device normally closed switch LK, and LK is also connected with current overload safety pipe FU.
Embodiment 17
The invention provides a kind of illumination being suitable for DC low-voltage to meet an urgent need Double-duty lamp, wherein DC-AC conversion device is identical with embodiment one, wherein the difference of the Double-duty lamp main body of embodiment 17 and the Double-duty lamp main body of embodiment 14 is, as shown in figure 20, one end of low frequency inductance device coil L is connected with full-wave rectifying circuit, the other end of L is connected with LD direct current relay normally closed switch LDK, LDK and capacitor C are in parallel and be connected with current overload safety pipe FU, L also with the diode D6 connected, D7 is in parallel, L also with the diode D5 connected, D8 is in parallel, and diode D6, with diode D5 between D7, D8 is in series with voltage stabilizing didoe ZD2, with direct current relay normally closed switch LD, LD is also connected with LDK.
General AC voltage described in the invention is between 110-280V, but is not limited to 110-280V in practical application, also can be 80-280V.
Claims (10)
1. the illumination being suitable for DC low-voltage is met an urgent need a Double-duty lamp, and it is characterized in that, comprise the DC-AC conversion device of incoming transport power supply, DC-AC conversion device is also connected with Double-duty lamp main body;
Described DC-AC conversion device comprises user's electric wire and enters wiretap, the user's electric wire access switch connecting power supply L end is connected with solenoid, solenoid connects voltage stabilizing charge power supply, the user's electric wire access switch connecting power supply N end is connected with voltage stabilizing charge power supply, voltage stabilizing charge power supply also connects two solenoid controlled switches, and two solenoid controlled switches connect the L of input power respectively, N holds, wherein solenoid and user's electric wire enter between wiretap to be connected with current overload protection pillar, wherein voltage stabilizing charge power supply is connected with dc-battery with being connected between solenoid controlled switch that N holds,
Described Double-duty lamp main body comprises current insurance pipe, current insurance pipe is connected with low frequency inductance device module in parallel and high frequency electronic switch circuit, low frequency inductance devices are also connected with full-wave rectifying circuit soon, high frequency electronic switch circuit is connected with voltage stabilizing circuit, and voltage stabilizing circuit is all connected with LED with full-wave rectifying circuit;
The power supply that the current insurance pipe of described Double-duty lamp main body and two solenoid controlled switches of DC-AC conversion device pick out exports L, N and holds and be connected.
2. a kind of illumination being suitable for DC low-voltage according to claim 1 is met an urgent need Double-duty lamp, it is characterized in that, when described DC-AC conversion device uses alternating current, two solenoid controlled switches upwards close; During DC-AC conversion device use direct current, two solenoid controlled switches close downwards.
3. any one illumination being suitable for DC low-voltage according to claim 1-2 is met an urgent need Double-duty lamp, it is characterized in that, described low frequency inductance device module comprises low frequency inductance device coil, one end of low frequency inductance device coil is connected with full-wave rectifying circuit, and the other end of low frequency inductance device coil is connected with high frequency electronic switch circuit.
4. a kind of illumination being suitable for DC low-voltage according to claim 3 is met an urgent need Double-duty lamp, it is characterized in that, described low frequency inductance device module also comprises the AC relay coil with low frequency inductance device coil parallel join, and between low frequency inductance device coil and current insurance pipe, being connected with the normally closed and normal open switch of AC relay coil, AC relay coil is normally closed to be connected with AC relay coil with normal open switch.
5. a kind of illumination being suitable for DC low-voltage according to claim 4 is met an urgent need Double-duty lamp, and it is characterized in that, described low frequency inductance device module also comprises, the AC relay coil be connected between current insurance pipe with high frequency electronic switch circuit.
6. a kind of illumination being suitable for DC low-voltage according to claim 3 is met an urgent need Double-duty lamp, it is characterized in that, described low frequency inductance device coil also comprises the capacitor of parallel join between low frequency inductance device coil and current insurance pipe, resistance and low frequency inductance device normally closed switch.
7. a kind of illumination being suitable for DC low-voltage according to claim 3 is met an urgent need Double-duty lamp, it is characterized in that, normally closed and the normal open switch of direct current relay normally closed switch, AC relay coil is connected with between described low frequency inductance device coil and current insurance pipe, L low frequency inductance device coil also with at least two diodes in parallels, and between current insurance pipe and high frequency electronic switch circuit, be also connected with the normally closed and normal open switch of AC relay coil.
8. a kind of illumination being suitable for DC low-voltage according to claim 7 is met an urgent need Double-duty lamp, it is characterized in that, also be connected with the normally closed and normal open switch of AC relay coil between described high frequency electronic switch circuit and AC relay coil, and two AC relay coils are normally closed and normal open switch is connected to each other.
9. want any one illumination being suitable for DC low-voltage described in 4,6,7 to meet an urgent need Double-duty lamp according to right, it is characterized in that, described high frequency electronic switch circuit can be changed to low-frequency transformer, and is connected with a full-wave rectifying circuit between low-frequency transformer and voltage stabilizing circuit.
10. the illumination that any one is suitable for DC low-voltage according to claim 9 is met an urgent need Double-duty lamp, and it is characterized in that, the port one of described low-frequency transformer is connected with current insurance pipe, and port 3,4 is connected with LED, and port 2 is connected with full-wave rectifying circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306672.XA CN104883790B (en) | 2015-06-05 | 2015-06-05 | A kind of illumination for being applicable DC low-voltage is met an urgent need Double-duty lamp |
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|---|---|---|---|
| CN201510306672.XA CN104883790B (en) | 2015-06-05 | 2015-06-05 | A kind of illumination for being applicable DC low-voltage is met an urgent need Double-duty lamp |
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| CN104883790B CN104883790B (en) | 2017-08-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509814Y (en) * | 2001-09-21 | 2002-09-04 | 上海荣天电子有限公司 | Charging exciter lamp |
| CN101754536A (en) * | 2010-01-27 | 2010-06-23 | 深圳市世纪新泰达电子有限公司 | Power-supply system and power-supply method for providing power for illuminating system |
| KR101473573B1 (en) * | 2013-07-24 | 2014-12-17 | 조정훈 | Power Supply for LED |
-
2015
- 2015-06-05 CN CN201510306672.XA patent/CN104883790B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509814Y (en) * | 2001-09-21 | 2002-09-04 | 上海荣天电子有限公司 | Charging exciter lamp |
| CN101754536A (en) * | 2010-01-27 | 2010-06-23 | 深圳市世纪新泰达电子有限公司 | Power-supply system and power-supply method for providing power for illuminating system |
| KR101473573B1 (en) * | 2013-07-24 | 2014-12-17 | 조정훈 | Power Supply for LED |
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| CN104883790B (en) | 2017-08-11 |
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