CN1312666A - Decorative lamps - Google Patents
Decorative lamps Download PDFInfo
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- CN1312666A CN1312666A CN00103435A CN00103435A CN1312666A CN 1312666 A CN1312666 A CN 1312666A CN 00103435 A CN00103435 A CN 00103435A CN 00103435 A CN00103435 A CN 00103435A CN 1312666 A CN1312666 A CN 1312666A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The present invention relates to a decorative lamp group which comprises power supply, lamp group and control unit; control unit is respectively connected with power supply and lamp group, said lamp group is formed from several light bulbs; control unit comprises a microprocessor, the microprocessor can be used for respectively picking up current signals of front part and rear part of positive half-cycle and front part and rear part of negative half-cycle of sine-wave of commercial power, these current signals can be transferred to lamp group by means of control unit and received by lamp group respectively according to the order to bulb arrangement. Said invention can reduce cost of decorative lamp group and can prolong the service life of lighting devices.
Description
The present invention relates to a kind of decorative lamp group, but particularly a kind of supply voltage that can reduce automatically reaches the luminous decorative lamp group of the different lamp groups of timesharing conversion.
The decorative lamp group generally is to connect with parallel connection and series system, above-mentioned two kinds of connected modes can be divided into two kinds of single channel and multichannels again, wherein, single channel lamp group only need be used an electric wire, though simple economy, but but having lacked movable light on function changes, though and the lamp group of multi-channel parallel or multiple series series needs a large amount of electric wire marshalling assemblings, for example four the tunnel need four lamp lines at least, but can there be multiple light to change, therefore general traditional decoration lamp all takes multi-channel parallel or multiple series series form to connect, so that make light produce multiple variation.
As shown in Figure 1, it represents the connected mode of general series lamp group, series lamp group 1 can be connected in series the miniature bulb or the LED light-emitting diode of some low pressure in a large number, with four bulbs 11,12,13,14 is that example is illustrated, but damage because of series lamp group 1 needs only arbitrary bulb, this series bulb does not then work fully, and for example one of them bulb 11 damages, other bulb 12,13,14 just can be not shinny, and is not handy.Use lamp group in parallel so generally prefer, as shown in Figure 2, if lamp group 2 in parallel wherein has a bulb (is the example explanation with four bulbs) 21 to damage, remaining good bulb 22,23,24 still can continue shinny, but because lamp group 2 used bulbs 21 in parallel, 22,23,24 voltage is higher, each bulb 21,22,23,24 power is big, thereby make the bulb sum be restricted, for this reason, the lamp number that artificial increase lamp group 2 in parallel is arranged, add a transformer 25 (as shown in Figure 3) again, to utilize transformer 25 to reduce voltage, some miniature bulbs of interspersing ornaments or LED 21 ' 22 ' 23 ' 24 ' can be lighted, but transformer 25 has certain weight, price is not cheap again, yet, general decorative lamp group is still generally used single channel lamp group in parallel, all can utilize this lamp group circuit as building permanent wiring etc., so that increase the function of lamp group light activity change, but above-mentioned existing multifunctional headlamp group all need be used a large amount of electric wires, though and this lamp group available electron mode controls, suitable many of wherein employed circuit layout still can cause the waste of electric wire.
The object of the present invention is to provide a kind of decorative lamp group of controlling different bulb timesharing exchange conductings with control unit.
The decorative lamp group that provides a kind of cost low is provided secondary objective of the present invention.
The decorative lamp group that provides a kind of environment protecting good is provided an order more of the present invention.
For achieving the above object, the present invention takes following technical measures:
A kind of decorative lamp group of the present invention comprises: power supply and lamp group, power supply are mains supply; It is characterized in that: also comprise a control unit;
Control unit connects mains supply and lamp group respectively;
The lamp group is made up of a plurality of bulbs;
Control unit mainly comprises a microprocessor.
Wherein: the microprocessor of described control unit picks up leading portion current signal, the back segment current signal of positive half cycle and the back segment current signal of negative half period of leading portion current signal, negative half period of positive half cycle of the sine wave of civil power, via the bus transfer of control unit to the lamp group;
Described lamp group is made up of 4 bulbs; 4 bulbs connect microprocessor control signal output respectively, receive the leading portion current signal of sinusoidal wave positive half cycle, back segment current signal, the leading portion current signal of negative half period and the back segment current signal of negative half period of positive half cycle in regular turn respectively according to putting in order of bulb.
Wherein: the leading portion current signal of the positive half cycle of the sine wave that described microprocessor picked up be sinusoidal wave positive half cycle preceding 1/4th with interior signal, the back segment current signal of positive half cycle be sinusoidal wave positive half cycle back 1/4th with interior signal, the leading portion current signal of negative half period be preceding 1/4th back segment current signals of sinusoidal wave negative half period with interior signal and negative half period be sinusoidal wave negative half period back 1/4th with interior signal.
Wherein: described bus is the three-wire system circuit, and the three-wire system circuit comprises leading portion bus, backside bus and common return electric wire that is connected with described control unit.
Wherein: described bus is a two wire line, and two wire line comprises a bus and common return electric wire that is connected with described control unit.
Wherein: described 4 bulbs are in parallel.
Wherein: described lamp group comprises 4 incandescent lamp bulbs that are in series, each bulb exchange assembly in parallel respectively.
Wherein: described bulb is an incandescent lamp bulb, and 4 bulbs are divided into two groups, every group of 2 bulbs, the connection that respectively is in parallel, i.e. the 1st, 2 bulb parallel connections, the 3rd, 4 bulb parallel connections; One end of two groups of bulbs is connected with described control unit through described leading portion bus and backside bus respectively, and the other end of each bulb is connected to described common return electric wire through an exchange assembly respectively;
The conducting direction of the exchange assembly that bulb was connected in series on the same group is identical; The conducting direction of two groups of exchange assemblies that bulb was connected in series is opposite.
Wherein: described exchange assembly can be diode.
Wherein: described bulb is a light-emitting diode, and 4 bulbs are divided into two groups, every group of 2 bulbs, the connection that respectively is in parallel, i.e. the 1st, 2 bulb parallel connections, the 3rd, 4 bulb parallel connections; One end of two groups of bulbs is connected with described control unit through described leading portion bus and backside bus respectively, and the other end of each bulb is connected respectively to described common return electric wire;
The conducting direction of bulb is identical on the same group; The conducting direction of two groups of bulbs is opposite.
Wherein: the ballast that can be connected a restriction current flow between described common return electric wire and the power supply.
Wherein: described bulb can respectively be connected with a reverse-blocking tetrode thyristor, and reverse-blocking tetrode thyristor is connected with a timesharing switched circuit, and the first two bulb that the lamp group is arranged in regular turn and reverse-blocking tetrode thyristor are with same conducting direction connecting bus and common return electric wire.
Wherein: back two bulbs that described lamp group is arranged in regular turn and reverse-blocking tetrode thyristor are to be opposite conducting direction connecting bus and common return electric wire with described the first two bulb and reverse-blocking tetrode thyristor.
Wherein: described timesharing switched circuit is connected across the two ends of reverse-blocking tetrode thyristor and lamp line.
Wherein: described timesharing switched circuit comprises a trigger and two differential circuits that are connected with trigger; The output of trigger connects the control end of described reverse-blocking tetrode thyristor.
Wherein: described reverse-blocking tetrode thyristor can be an on-off controller.
Reach accompanying drawing in conjunction with the embodiments the technical characterictic of decorative lamp group of the present invention is described in detail as follows, in the accompanying drawing:
Fig. 1: the circuit diagram of existing series lamp group.
Fig. 2: the circuit diagram of existing lamp group in parallel.
Fig. 3: the circuit diagram of the lamp group of existing tool transformer.
Fig. 4: the circuit diagram of first embodiment of the invention.
Fig. 5: the varying circuit figure of first embodiment of the invention.
Fig. 6: the circuit diagram of second embodiment of the invention.
Fig. 7: the circuit diagram of third embodiment of the invention.
Fig. 8: the control unit circuit figure of the present invention the first～three embodiment.
Fig. 9: by the pulse wave schematic diagram of the output of the control unit among Fig. 8.
Figure 10: the simulation schematic diagram of pulse signal shown in Figure 9.
Figure 11: the third embodiment of the invention bulb connects the circuit diagram of a reverse-blocking tetrode thyristor and a timesharing switched circuit.
The pulse wave schematic diagram of Figure 12: Figure 11.
Figure 13: the equivalent voltage schematic diagram of the present invention the first～three embodiment.
As shown in Figure 4, decorative lamp group of the present invention is the electric current that the positive and negative half-wave current in each cycle in the civil power (alternating current) is divided into four quarter-waves, to utilize this electric current, make multiplex's parallel connection and the multiplex (MUX) lamp group of contacting, reach simultaneously and can light low-voltage bulb (being to be lamp bulb or LED in the present invention), comprise a control unit 3 and a basic exchange conducting lamp group 4.
The circuit of control unit 3 as shown in Figure 8, it is by 33 operations of a microprocessor, in microprocessor 33, store operation sequence (because operation sequence is not the emphasis of this case, so not with narration), utilize triode Q1, Q2, Q3, Q4, Q5, Q6 and diode D1, the D2, D3, the D4 Control current path that are connected with microprocessor 33.Microprocessor 33 has four outputs 331,332,333,334, two outputs 331 wherein, 332 are connected with two triode Q1 respectively, Q2 and Q3, Q4, other two outputs 333,334 connect a triode Q5 respectively, Q6, two outputs 331,333 connect triode Q1, behind Q2 and the Q5, be connected with a diode D1 and D3 respectively again, then connect leading portion bus 31 shown in Figure 4, the electric current that utilizes leading portion bus 31 that microprocessor 33 is picked up comes the several bulbs 42 in the conducting lamp group 4,43, other outputs 332,334 are connected with diode D2 and D4 more indirectly, connect backside bus 32 at last, export the electric current that is picked up by backside bus 32, with the bulb 42 that is not switched in the conducting lamp group 4,44.
Shown in Fig. 8,9, when the conducting civil power, electric current is flowed through behind the control unit 3, pick up the electric current in each cycle of alternating current, at first, pick up sinusoidal wave positive half cycle leading portion half with interior electric current 50, export by diode D1, then the back segment of the sinusoidal wave positive half cycle of subsequent pick-up half with interior electric current 601, by diode D2 output, pick up subsequently sinusoidal wave negative half period leading portion half with interior negative half period leading portion electric current 50 ', export by diode D3, pick up again sinusoidal wave negative half period back segment half with interior back segment electric current 60 ', again by diode D4 output, to reach low pressure output.
As shown in Figure 4, exchange conducting lamp group 4 is made up of a plurality of bulbs, and be connected on the bus, comprise one first bulb 41, one second bulbs 42 in parallel, one the 3rd bulb 43 in parallel and one the 4th bulb 44 again, be to be one group in the present embodiment, and constitute the three-wire system circuit multiplex (MUX) lamp group of a parallel connection with four bulbs 41,42,43,44.First of lamp group 4, second, the 3rd, the 4th bulb 41,42,43,44 all connect exchange assembly (being an a diode in the present embodiment) D5 respectively, D6, D7, D8, by each diode D5, D6, D7, the positive and negative conducting direction of D8, follow alternating current positive-negative half-cycle electric current and exchange each bulb 41 of conducting, 42,43,44 electric current, wherein, first and second bulb 41,42 connect the diode D5 of same conducting direction, D6, connect diode D5, the negative pole of D6, and by each bulb 41,42 the other end connects leading portion bus 31 and backside bus 32 in regular turn respectively, each diode D5, the positive pole of D6 connects common return wire 30, the the 3rd and the 4th bulb 43,44 connect diode D5, the negative pole of D6, with with aforesaid diode D5, the D6 conducting direction is reverse direction and connects diode D7, D8, each bulb 43,44 the other end connects common return wire 30, by each diode D7, the positive pole of D8 connects leading portion bus 31 and backside bus 32 respectively.
Therefore, multiplex's lamp group in parallel is after civil power is flowed through control unit 3, each bulb 41,42,43,44 is according to putting in order, receive the current signal of current signal, the negative half period leading portion of positive half cycle leading portion, the current signal of positive half cycle back segment and the current signal of negative half period back segment in regular turn respectively, and then make this bulb take turns conducting and lighted.The positive half cycle leading portion current signal 50 of present segment bus 31 outputs, also flow through simultaneously to the diode D5 of first bulb 41 and first bulb 41 of conducting, make bulb 41 shinny, after the positive half cycle leading portion current signal 50 of present segment bus 31 outputs, leading portion bus 32 is exported positive half cycle back segment current signal 601 soon, and flow through immediately second bulb 42 and diode D6, make second bulb 42 shinny, almost at one time, leading portion bus 31 is exported negative half period leading portion current signal 50 ' again, also conducting the 3rd bulb 43 and diode D7, and make the 3rd bulb 43 shinny, and at leading portion bus 31 output negative half period leading portion current signals 50 ' afterwards, backside bus 32 output negative half period back segment current signals 60 ', negative half period back segment current signal 60 ' conducting the 4th lamp group 44 and diode D8, and make the 4th bulb 44 shinny.
Each bulb 41,42,43,44 except forming in the mode of above-mentioned parallel connection multiplex's lamp group, also the mode that can connect is formed multiplex's lamp group, as shown in Figure 5, exchange conducting lamp group 4 ' is made up of the lamp bulb of a plurality of series connection, comprise the first and the 3rd bulb 41 ' that is serially connected with leading portion bus 31,43 ', be serially connected with the second and the 4th bulb 42 ' of backside bus 32,44 ', last leading portion bus 31 and backside bus 32 are connected with common return wire 30 again, and each diode D5 ', D6 ', D7 ', D8 ' is then respectively with first, second, the 3rd, the 4th bulb 41,42 ', 43 ', 44 ' parallel connection, to borrow each diode D5 ', D6 ', D7 ', each bulb 41 ' of D8 ' short circuit, 42 ', 43 ', 44 ' electric current, as each diode D5 ', D6 ', D7 ', during not conducting of D8 ', each bulb 41 ', 42 ', 43 ', 44 ' just can be shinny.
As described above, each bulb 41 ', 42 ', 43 ', 44 ' of series connection multiplex (MUX) lamp group, be to be switched on and shinny with the conduction mode opposite with above-mentioned one-tenth, after civil power is flowed through this control unit 3 ', each bulb 41 ', 42 ', 43 ', 44 ' still receives each current signal 50,50 ', 601,60 ' in regular turn, and when diode D5 ', D6 ', D7 ', not conducting of D8 ', lighted.
As shown in figure 10, the present invention is with the circuit of rotary brush 34 principle of bright lamp group 4 conductings furtherly, be provided with four 1/4th fan-shaped pole-faces 341,342,343,344 and brushes 34, wherein, brush 34 rotates synchronously with AC power, and be assigned to four pole-faces 341,342,343,344,34 of brushes with each intermittent scanning once, rotate to the first lamp group 41 with brush 34, just make first bulb 41 be assigned to the electric current of pole-face 341, then brush 34 rotates to second bulb 42, make second bulb 42 be assigned to the electric current of pole-face 342, brush rotates to the 3rd bulb 43 subsequently, makes the 3rd bulb 43 be assigned to the electric current of pole-face 343, last brush 34 rotates to the 4th bulb 44, make the 4th lamp group 44 be assigned to the electric current of pole-face 344, like this, the electric current of four/one-period is only flow through in each load, therefore, its equivalent voltage is also just lower.
As shown in Figure 4, utilize control unit 3 ceaselessly at the electric current that picks up each cycle 1/4th, to reduce the lamp group 4 of voltage turn-on low-voltage in parallel, and with parallel way, make one of them bulb of working as each lamp group 4 in parallel damage, other bulb still can be shinny, for example first bulb 41 damages in each lamp group 4, flow through second, third, the electric current of the 4th bulb 42,43,44 still can not be affected, electric current still can flow through second, third, the 4th bulb 42,43,44, make these three bulbs shinny.
As shown in Figure 6, it is the second embodiment of the present invention, the present embodiment and first embodiment are provided with a control unit 3 and a basic exchange conducting lamp group 5 equally, control unit 3 is provided with leading portion bus 31 equally, backside bus 32 and a common return electric wire 30 that is electrically connected with the city, difference be in, lamp group 5 is by the light-emitting diode (LED) 51 of four parallel connections, 52,53,54 constitute, each diode 51,52,53,54 with leading portion bus 31, backside bus 32 and common return electric wire 30 connect, and according to each light-emitting diode the first two diode 51 parallel with one another in regular turn, 52 are connected in common return wire 30 with same conducting direction, and connect the leading portion bus 31 and the backside bus 32 of control unit in regular turn, back two diodes 53 parallel with one another in regular turn, the 54th, with the first two diode 51,52 conducting directions are reverse conducting direction and connect leading portion bus 31 and backside bus 32, and be connected in common return electric wire 30, also constitute multiplex's lamp group of three-wire system circuit.Because diode is to be light-emitting diode, therefore, each diode 51,52,53,54 needn't connect the described exchange assembly of first embodiment (diode) again, has the diode commutativity.And the electric current of light-emitting diode must be restricted, otherwise can cause light-emitting diode to damage because of electric current is excessive, therefore, general LED all is connected with a current-limiting resistance, present embodiment then replaces existing current-limiting resistance with a ballast 55, and ballast 55 is connected between common return wire 30 and civil power, limits current flow to utilize ballast 55, provide the light-emitting diode rated current, to cooperate its lower powered requirement.
Second embodiment there is no different with the conduction mode of first embodiment, be current signal 50 equally at the positive half cycle leading portion of leading portion bus 31 outputs, also flow through to light-emitting diode 51 and conducting light-emitting diode 51, make it shinny, behind the current signal 50 of the positive half cycle leading portion of leading portion bus 31 outputs, backside bus 32 is exported the current signal 601 of positive half cycle back segment soon, and the light-emitting diode 52 of flowing through simultaneously, make light-emitting diode 52 conductings shinny, almost at one time, leading portion bus 31 is exported the current signal 50 ' of negative half period leading portion again, also the conducting light-emitting diode 53, make light-emitting diode 53 shinny, and behind leading portion bus 31 output negative half period leading portion signal wave currents 50 ', the current signal 60 ' of backside bus 32 output negative half period back segments, the negative half period back segment current signal 60 ' light-emitting diode 54 of flowing through.
Next be third embodiment of the invention, as shown in Figure 7, present embodiment and first and second embodiment are provided with a control unit 6 equally, be provided with a basic exchange conducting lamp group 7 equally, difference be in, present embodiment is a two-wire channel, and 6 of control units are provided with multiplex's bus 61 and a common return electric wire 60, and constitutes two wires multiplex's lamp group with lamp group 7.And still identical with first and second embodiment mode of control unit 6 is picked up electric current, and make first bulb 71 of lamp group 7 in parallel, second bulb 72, the 3rd bulb 73 and the 4th bulb 74 connect common return electric wire 60 and multiplex's bus 61 respectively, the city is electrically connected common return electric wire 60 and control unit 6, and according to each bulb 71,72,73,74 put in order receives the current signal of positive half cycle leading portion in regular turn, the current signal of positive half cycle back segment, the current signal of negative half period leading portion and back segment negative wave current signal, and then make bulb take turns conducting and light, in addition, each bulb 71,72,73 and 74 are connected with a silicon controlled rectifier (SCR respectively, Silicon ControlledRectifier) (it uses as switch in the present embodiment) D9, D10, D11 and D12, and each reverse-blocking tetrode thyristor D9, D10, D11 and D12 connect a timesharing switched circuit 77 again, preceding two bulbs 71 of arranging in regular turn wherein, 72 and reverse-blocking tetrode thyristor D9, D10 is connected multiplex's bus 61 and common return electric wire 60 with same conducting direction, two bulbs 73 after being arranged in regular turn, 74 and reverse-blocking tetrode thyristor D11, D12 be with the first two bulb 71,72 and reverse-blocking tetrode thyristor D11, D12 is rightabout conducting direction and connects multiplex's bus 61 and common return electric wire 60.
As shown in figure 11, timesharing switched circuit 77 is the two ends that are connected across each switch D9, D10, D11 and D12 and lamp line, and produces the exchanging electrical current action with a trigger F/F.And wherein according to the putting in order of each lamp group 7, bulb 71 is to be connected in multiplex's bus 61 with the one end with another bulb 72, and connect common return electric wire 30 with the positive pole of reverse-blocking tetrode thyristor D9, D10,73,74 on other two bulbs are connected in common return electric wire 30 with the one end, and are connected in multiplex's bus 61 with the positive pole of reverse-blocking tetrode thyristor D11, D12.
When control unit 6 behind the leading portion half cycle current signal 50 of a sine wave of multiplex's bus 61 output, electric current then flow through bulb 71 and reverse-blocking tetrode thyristor D9, the resistance R 1 of timesharing switched circuit 77 of flowing through simultaneously arrives two diode D5, D6, and the shunting flows into two differential lines 771,772, wherein, electric current is flowed through behind the differential line 771, make trigger F/F set (set) action, and make reverse-blocking tetrode thyristor D9 and timesharing switched circuit 77 and bulb 71 complete conductings, make bulb 71 shinny, and the electric current of the differential line 772 of flowing through is not connected with the output of timesharing switched circuit 77 because of reverse-blocking tetrode thyristor D9, and therefore, electric current can't conducting.Just as shown in figure 12, when the positive half cycle leading portion current signal 50 of multiplex's bus 61 outputs one, an output Q generation high voltage (H) signal of trigger F/F, and not conducting of output, and produce a low-voltage (L) signal.
When the positive half cycle leading portion current signal 50 of multiplex's bus 61 output of control unit 6, and then export positive half cycle back segment current signal 601, equally, electric current flow through fast bulb 72 and reverse-blocking tetrode thyristor D10, the resistance R 1 of timesharing switched circuit 77 of flowing through simultaneously arrives two diode D5, D6, and the shunting flows into two differential lines 771,772, wherein, electric current is flowed through behind the differential line 772, trigger F/F makes reset (reset), and make reverse-blocking tetrode thyristor D10 and timesharing switched circuit 77 and bulb 72 complete conductings, make bulb 72 shinny, and the electric current of the differential line 771 of flowing through is not connected with the output Q of timesharing switched circuit 77 because of reverse-blocking tetrode thyristor D10, and therefore, electric current can't conducting.
As shown in figure 12, when the positive half cycle back segment current signal 601 of one of bus 61 output, therefore the not conducting of output Q of trigger F/F, produce a low-voltage (L) signal, and the output conducting produces a high voltage (H) signal.
Behind the positive half cycle back segment current signal 601 of bus 61 outputs of control unit 6, export a negative half period leading portion current signal 50 ' immediately, this moment flow through equally fast bulb 73 and reverse-blocking tetrode thyristor D11 of electric current, the resistance R 1 of timesharing switched circuit 77 of flowing through simultaneously arrives two diode D5, D6, and the shunting flows into two differential lines 771,772, wherein, electric current is flowed through behind the differential line 771, just make trigger F/F do to set (set) action, and make reverse-blocking tetrode thyristor D11 and timesharing switched circuit 77 and bulb 73 complete conductings, make bulb 73 shinny, and the electric current of the differential line 772 of flowing through is not connected with the output of timesharing switched circuit 7 because of reverse-blocking tetrode thyristor D11, therefore, electric current can't conducting.As shown in figure 12, when negative half period leading portion current signal of bus 61 output 50 ', the output Q of trigger F/F produces a high voltage (H) signal, and the i.e. not conducting and produce a low-voltage (L) signal of output.
Behind multiplex's bus 61 output negative half period leading portion current signals 50 ' of control unit 6, export negative half period back segment current signal 60 ' subsequently, equally, electric current flow through fast bulb 74 and reverse-blocking tetrode thyristor D12, the resistance R 1 of timesharing switched circuit 77 of flowing through simultaneously arrives two diode D5, D6, and the shunting flows into two differential lines 771,772, wherein, electric current is flowed through behind the differential line 772, (reset) action even trigger F/F does to reset, and make reverse-blocking tetrode thyristor D12 and timesharing switched circuit 77 and bulb 74 complete conductings, make bulb 74 shinny, and the electric current of the differential line 771 of flowing through is not connected with the output Q of timesharing switched circuit 77 because of reverse-blocking tetrode thyristor D12, and therefore, electric current can't conducting.As shown in figure 12, when multiplex's bus 61 outputs one back segment negative wave current signal 60 ', the not conducting of output Q of trigger F/F at this moment, therefore, produce a low-voltage (L) signal, and output Q conducting and produce a high voltage (H) signal reaches the electric current that utilizes for four/one-period, in return signal and start the energy that bulb is lighted.
As shown in figure 13, except above-mentioned three embodiment, because the peak of four equivalent voltage curves 80,81,82,83 is all-wave voltage half, and can reach the effect of light modulation, it is to divide two sections conductings in each hemiwave time, can be divided into four conductings, be curve 80,81,82 and 83 each once, and general dimmer is shown in dotted line, has only twice, therefore, the present invention has double light modulation efficient.
In sum, compared with prior art, the present invention has following effect:
(1), can reduce cost:
All the low equivalent current conducting lamp group of a part of picking up four positive and negative half cycles in the alternating current with control unit 3 or 6 in three embodiment of the present invention, can use general low pressure miniature bulb or light-emitting diode to produce the light variation effect, can save the configuration of transformer and electric wire, reach the purpose of low cost of manufacture;
(2), can prolong the useful life of luminescent device:
Because the effective voltage that is attached on the luminescent device is low, therefore, luminescent device is not fragile, can prolong its useful life.
Claims (16)
1, a kind of decorative lamp group comprises: power supply and lamp group, power supply are mains supply; It is characterized in that: also comprise a control unit;
Control unit connects mains supply and lamp group respectively;
The lamp group is made up of a plurality of bulbs;
Control unit mainly comprises a microprocessor.
2. lamp group according to claim 1, it is characterized in that: the microprocessor of described control unit picks up leading portion current signal, the back segment current signal of positive half cycle and the back segment current signal of negative half period of leading portion current signal, negative half period of positive half cycle of the sine wave of civil power, via the bus transfer of control unit to the lamp group;
Described lamp group is made up of 4 bulbs; 4 bulbs connect microprocessor control signal output respectively, receive the leading portion current signal of sinusoidal wave positive half cycle, back segment current signal, the leading portion current signal of negative half period and the back segment current signal of negative half period of positive half cycle in regular turn respectively according to putting in order of bulb.
3. lamp group according to claim 2 is characterized in that:
The leading portion current signal of the positive half cycle of the sine wave that described microprocessor picked up be sinusoidal wave positive half cycle preceding 1/4th with interior signal, the back segment current signal of positive half cycle be sinusoidal wave positive half cycle back 1/4th with interior signal, the leading portion current signal of negative half period be preceding 1/4th back segment current signals of sinusoidal wave negative half period with interior signal and negative half period be sinusoidal wave negative half period back 1/4th with interior signal.
4. lamp group according to claim 2 is characterized in that:
Described bus is the three-wire system circuit, and the three-wire system circuit comprises leading portion bus, backside bus and common return electric wire that is connected with described control unit.
5. lamp group according to claim 2 is characterized in that:
Described bus is a two wire line, and two wire line comprises a bus and common return electric wire that is connected with described control unit.
6. lamp group according to claim 2 is characterized in that:
Described 4 bulbs are in parallel.
7. lamp group according to claim 3 is characterized in that: described lamp group comprises 4 incandescent lamp bulbs that are in series, each bulb exchange assembly in parallel respectively.
8. lamp group according to claim 4 is characterized in that:
Described bulb is an incandescent lamp bulb, and 4 bulbs are divided into two groups, every group of 2 bulbs, the connection that respectively is in parallel, i.e. the 1st, 2 bulb parallel connections, the 3rd, 4 bulb parallel connections; One end of two groups of bulbs is connected with described control unit through described leading portion bus and backside bus respectively, and the other end of each bulb is connected to described common return electric wire through an exchange assembly respectively;
The conducting direction of the exchange assembly that bulb was connected in series on the same group is identical; The conducting direction of two groups of exchange assemblies that bulb was connected in series is opposite.
9. according to claim 7 or 8 described lamp groups, it is characterized in that:
Described exchange assembly is a diode.
10. lamp group according to claim 4 is characterized in that:
Described bulb is a light-emitting diode, and 4 bulbs are divided into two groups, every group of 2 bulbs, the connection that respectively is in parallel, i.e. the 1st, 2 bulb parallel connections, the 3rd, 4 bulb parallel connections; One end of two groups of bulbs is connected with described control unit through described leading portion bus and backside bus respectively, and the other end of each bulb is connected respectively to described common return electric wire;
The conducting direction of bulb is identical on the same group; The conducting direction of two groups of bulbs is opposite.
11. lamp group according to claim 10 is characterized in that:
Be connected with the ballast of a restriction current flow between described common return electric wire and the power supply.
12. lamp group according to claim 5 is characterized in that:
Described bulb respectively is connected with a reverse-blocking tetrode thyristor, and reverse-blocking tetrode thyristor is connected with a timesharing switched circuit, and the first two bulb that the lamp group is arranged in regular turn and reverse-blocking tetrode thyristor are with same conducting direction connecting bus and common return electric wire.
13. lamp group according to claim 12 is characterized in that:
Back two bulbs that described lamp group is arranged in regular turn and reverse-blocking tetrode thyristor are to be opposite conducting direction connecting bus and common return electric wire with described the first two bulb and reverse-blocking tetrode thyristor.
14. lamp group according to claim 12 is characterized in that:
Described timesharing switched circuit is connected across the two ends of reverse-blocking tetrode thyristor and lamp line.
15., it is characterized in that according to claim 12 or 14 described lamp groups:
Described timesharing switched circuit comprises a trigger and two differential circuits that are connected with trigger; The output of trigger connects the control end of described reverse-blocking tetrode thyristor.
16., it is characterized in that according to claim 12 or 13 or 14 described lamp groups:
Described reverse-blocking tetrode thyristor is an on-off controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001034359A CN1144509C (en) | 2000-03-08 | 2000-03-08 | Decorative lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001034359A CN1144509C (en) | 2000-03-08 | 2000-03-08 | Decorative lamps |
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| Publication Number | Publication Date |
|---|---|
| CN1312666A true CN1312666A (en) | 2001-09-12 |
| CN1144509C CN1144509C (en) | 2004-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001034359A Expired - Fee Related CN1144509C (en) | 2000-03-08 | 2000-03-08 | Decorative lamps |
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| CN (1) | CN1144509C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008022563A1 (en) * | 2006-08-18 | 2008-02-28 | Industrial Technology Research Institute | Lighting devices |
| CN102076140A (en) * | 2009-11-21 | 2011-05-25 | 佛山市顺德区汉达精密电子科技有限公司 | LED drive circuit receiving alternating current input |
| CN102625522A (en) * | 2011-01-31 | 2012-08-01 | 朗捷科技股份有限公司 | High Brightness Led Driving Circuit |
| CN102160468B (en) * | 2008-09-17 | 2014-02-19 | 奥斯兰姆有限公司 | Circuit and method for dimming luminous element |
| CN110999061A (en) * | 2017-07-27 | 2020-04-10 | 东芝三菱电机产业系统株式会社 | AC switch, uninterruptible power supply device provided with same, and voltage sag compensation device |
-
2000
- 2000-03-08 CN CNB001034359A patent/CN1144509C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008022563A1 (en) * | 2006-08-18 | 2008-02-28 | Industrial Technology Research Institute | Lighting devices |
| CN101507358A (en) * | 2006-08-18 | 2009-08-12 | 财团法人工业技术研究院 | Lighting devices |
| US8089218B2 (en) | 2006-08-18 | 2012-01-03 | Industrial Technology Research Institute | Lighting devices |
| CN101507358B (en) * | 2006-08-18 | 2015-11-25 | 晶元光电股份有限公司 | Lighting device |
| CN102160468B (en) * | 2008-09-17 | 2014-02-19 | 奥斯兰姆有限公司 | Circuit and method for dimming luminous element |
| CN102076140A (en) * | 2009-11-21 | 2011-05-25 | 佛山市顺德区汉达精密电子科技有限公司 | LED drive circuit receiving alternating current input |
| CN102625522A (en) * | 2011-01-31 | 2012-08-01 | 朗捷科技股份有限公司 | High Brightness Led Driving Circuit |
| CN110999061A (en) * | 2017-07-27 | 2020-04-10 | 东芝三菱电机产业系统株式会社 | AC switch, uninterruptible power supply device provided with same, and voltage sag compensation device |
| CN110999061B (en) * | 2017-07-27 | 2023-06-20 | 东芝三菱电机产业系统株式会社 | AC switch, uninterruptible power supply device provided with same, and voltage sag compensation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1144509C (en) | 2004-03-31 |
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