CN217428405U - Bidirectional luminous power line pulse signal trigger light source, lamp string and control device thereof - Google Patents
Bidirectional luminous power line pulse signal trigger light source, lamp string and control device thereof Download PDFInfo
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- CN217428405U CN217428405U CN202221112559.XU CN202221112559U CN217428405U CN 217428405 U CN217428405 U CN 217428405U CN 202221112559 U CN202221112559 U CN 202221112559U CN 217428405 U CN217428405 U CN 217428405U
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- 230000002457 bidirectional effect Effects 0.000 title claims description 28
- 230000001960 triggered effect Effects 0.000 claims description 46
- 230000000903 blocking effect Effects 0.000 claims description 24
- 230000002265 prevention Effects 0.000 claims description 8
- 230000003595 spectral effect Effects 0.000 abstract description 12
- 238000007599 discharging Methods 0.000 description 2
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- 239000003990 capacitor Substances 0.000 description 1
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Abstract
The utility model discloses a two-way luminous power line pulse signal trigger light source, which comprises a first power line pulse signal trigger light-emitting module and a reverse light-emitting module, wherein the first power line pulse signal trigger light-emitting module and the reverse light-emitting module are connected in parallel at a first power line port and a second power line port of a light source; the first power line pulse signal triggering light-emitting module comprises an LED color lamp group and an LED driver; when the level of the first port of the power line is higher than that of the second port of the power line, the LED driver drives the LED colored lamp group; otherwise, the reverse light emitting module works. The utility model also provides a two-way luminous power cord pulse signal trigger lamp cluster and controlling means including above-mentioned light source. The utility model discloses a two-way power supply, through forward current and trigger the operation by power cord pulse signal and obtain a spectral range, the reverse another spectral range that increases of rethread only needs 2 power cords just to increase substantially light source, lamp cluster and controlling means's spectral range.
Description
Technical Field
The utility model relates to a LED color lamp field, concretely relates to two-way luminous power cord pulse signal trigger light source, lamp cluster and controlling means thereof.
Background
At present, an arithmetic operation device triggered by a power line edge signal and an LED driver appear in the market, and a Chinese patent of invention, namely a colored lamp device controlled based on the power line edge signal (Chinese patent of invention ZL201410632645.7 and Chinese patent of invention ZL201410775449.5), has high cost performance, so that the patent technology realizes scale industrial application.
The multi-color control colored lamp device can be realized by transmitting the control signal through the power line only by the power line and the ground line without additional control signals. The light-emitting diode and the power line carrier control chip are packaged together to form the controllable color light-emitting module with the same appearance as that of a common light-emitting diode, so that the production of a final product is greatly simplified, and the product performance is improved.
At present, the current of the LED module controlled by the power line and the colored lamp controlled by the power line is unidirectional when the colored lamp device works, the current can only flow to the other end from the fixed end, the reverse current is not allowed, the LED of the other color system can not be driven by the reverse current to realize the large-range spectrum effect, and particularly, the warm white color is increased by allowing the reverse current on the basis of RGB.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bidirectional luminous power line pulse signal trigger light source, which can further expand the spectrum range of the light source only by a power line and a ground wire by allowing forward and reverse current; the utility model also provides a controlling means that the power cord pulse signal that includes the two-way luminous of above-mentioned light source triggers lamp cluster and two-way luminous power cord pulse signal triggers.
A bi-directional illuminated power line pulse signal triggered light source, said light source comprising:
the first power line pulse signal triggers the light-emitting module and the reverse light-emitting module, and the first power line pulse signal triggers the light-emitting module and the reverse light-emitting module to be connected with a first power line port and a second power line port of the light source in parallel;
the first power line pulse signal trigger light-emitting module comprises an LED color lamp group and an LED driver used for driving the LED color lamp group according to the power line pulse signal loaded by the power line;
when the level of the first power line port is higher than that of the second power line port, the LED driver drives the LED color lamp set according to the power line pulse signal loaded by the power line; and when the level of the first port of the power line is lower than that of the second port of the power line, the reverse light-emitting module works.
The first power line pulse signal triggering light-emitting module and the reverse light-emitting module can be packaged together, welded together through other carriers, and connected together through a plurality of lengths of wires.
It should be understood that the reverse light emitting module can be operated in a constant state operation mode or in a controlled variable state operation mode.
The LED driver includes: the reverse current blocking module is used for triggering the operation module by a power line pulse signal;
when the level of the first power line port is higher than that of the second power line port, the first power line pulse signal triggers the light-emitting module to drive the LED color lamp set according to the power line pulse signal loaded on the first power line port, the second power line port or the combination of the first power line port and the second power line port.
The power line pulse signal may be active high pulse, active low pulse, or a combination of the high pulse and the low pulse. Preferably, the low level of the power line pulse signal is the level of the second port of the power line; in another embodiment, the power line pulse signal low level is a third level higher than the power line second port level and lower than the power line first port level.
The input end of the reverse current prevention module is connected with the first port of the power line, the output end of the reverse current prevention module is connected with the power line pulse signal trigger operation module, the ground of the power line pulse signal trigger operation module is connected with the second port of the power line, and the power line pulse signal trigger operation module drives the LED colored lamp set according to the operation result.
Preferably, a pull-down resistor is connected between the output end of the reverse current blocking module and the ground of the power line pulse signal triggering operation module.
Preferably, the LED colored lamp groups can be connected in a common anode mode, and cathodes of LEDs in the LED colored lamp groups are respectively connected with the output end of the power line pulse signal triggering operation module; the common anode of the LED colored lamp group can be connected with the output end of the reverse current prevention module, or the common anode of the LED colored lamp group can also be connected with the input end of the reverse current prevention module. In another embodiment, the LED color lamp sets may be connected with a common cathode, anodes of the LEDs in the LED color lamp sets are respectively connected with the output end of the power line pulse signal triggering operation module, and the common cathode of the LED color lamp sets is connected with the second port of the power line.
Preferably, the power line pulse signal triggering operation module is triggered by the pulse signal to perform operation, and the operation result drives the color lamp set. It should be understood that the operation can be understood that the power line pulse signal triggers the internal state change of the operation module; further, the operation may be an arithmetic operation, a logical operation, a combination of an arithmetic operation and a logical operation. Preferably, the power line pulse signal triggering operation module is triggered by the pulse signal to perform pulse counting operation. In another embodiment, the power line pulse signal triggering operation module is triggered by the pulse signal to perform coding and decoding operations, and the pulse high and low level widths correspond to coding information; further, the pulse high-low level width corresponds to the coded information, and should be understood as: the high levels with different lengths, or the low levels with different lengths, or the combination of the high levels with different lengths and the low levels with different lengths represent different logic coding information. Preferably, a high pulse with a time length of less than 100us corresponds to a logic 0, and a high pulse with a time length of 100us or more corresponds to a logic 1. In another embodiment, the power line pulse signal trigger operation module performs a modulation and demodulation operation based on a current or voltage frequency triggered by the pulse signal, and drives the group of the LED colored lamps according to a result of the modulation and demodulation operation. Further, it should be understood that the pulse signal trigger may be triggered by a single pulse signal or by a combination of several pulse signals.
Preferably, the reverse current prevention module may be a single device or may be formed by combining a plurality of devices. The reverse current blocking means may be a resistor through which the reverse current is limited to a range of less than 500 ma.
Preferably, the reverse current blocking module is a unidirectional conductive module, the reverse current blocking module is turned on when the level of the input terminal of the reverse current blocking module is higher than the level of the output terminal of the reverse current blocking module, and the reverse current blocking module is turned off when the level of the input terminal of the reverse current blocking module is lower than the level of the output terminal of the reverse current blocking module.
Preferably, the unidirectional conductive module is a diode, an anode of the diode is connected with the first port of the power line, and a cathode of the diode is connected with the power line pulse signal trigger operation module; or the unidirectional conducting module is an equivalent diode formed by an NPN triode, a collector electrode and a base electrode of the NPN triode are connected and then connected with the first port of the power line, and an emitter electrode of the NPN triode is connected with the power line pulse signal triggering operation module; or the unidirectional conductive module is an equivalent diode formed by a PNP triode, a collector and a base of the PNP triode are connected and then connected with the power line pulse signal triggering operation module, and an emitter is connected with the first port of the power line.
Preferably, the reverse current blocking module and the power line pulse signal triggering operation module are integrated in the same integrated circuit. As another embodiment, the reverse current blocking module and the power line pulse signal triggering operation module are implemented by different independent modules.
Preferably, the reverse light emitting module is composed of a plurality of LEDs. Further, the number of the LEDs may be 1, or 2 or more. The LEDs can be in a parallel structure, can be connected in parallel and then in series, and can also be connected in series and then in parallel. Preferably, the reverse light emitting module may be warm white.
As another embodiment, the reverse light emitting module is a second power line pulse signal triggered light emitting module, and when the level of the first port of the power line is lower than that of the second port of the power line, the second power line pulse signal triggers the light emitting module to drive the LED color light set of the second power line pulse signal triggered light emitting module according to the power line pulse signal loaded by the power line. Preferably, the second power line pulse signal triggered light emitting module and the first power line pulse signal triggered light emitting module have the same structure.
Preferably, the LED color lamp set of the second power line pulse signal triggered light emitting module and the LED color lamp set of the first power line pulse signal triggered light emitting module are in different color systems. Preferably, the LED color lamp set of the second power line pulse signal triggering the light emitting module is warm white, golden yellow, cold white.
Preferably, the power line pulse signal triggering operation module includes:
the pulse trigger operation unit is used for performing operation according to the trigger of a pulse signal input by a power line and outputting an operation result;
and the charging unit is used for providing a power supply level for the pulse trigger operation unit according to the pulse signal input by the power line, charging when the pulse signal is at a high level, and discharging when the pulse signal is at a low level.
And the initialization unit is used for initializing the pulse trigger operation unit according to the power supply level.
The utility model discloses an each functional unit can be integrated for the operation chip among the arithmetic device that power cord pulse signal triggered.
The utility model discloses in, through the initialization, can set for arbitrary number to pulse trigger arithmetic unit, set for as required, normally for setting "zero" (zero clearing promptly).
When the power line pulse signal is at a high level, the charging unit charges, and when the level provided by the charging unit reaches the high level, the pulse trigger operation unit and the initialization unit are successfully electrified.
The pulse trigger operation unit completes counting operation, arithmetic operation, logic operation or shift operation, or completes operation formed by combination of counting operation, arithmetic operation, logic operation, shift operation and the like.
Preferably, the pulse trigger operation unit is a pulse counting unit configured to count pulses of a pulse signal input from a power line and output a count result.
The pulse counting unit comprises a plurality of triggers, and the counting result is output by the output ends of the triggers.
Preferably, the flip-flop is a D flip-flop.
Preferably, the pulse counting unit includes a plurality of D flip-flops connected in series, and outputs a counting result at an output terminal of the D flip-flop, wherein:
the clock signal input end of the first D trigger is connected with a power line, and the clock signal input end of the next D trigger in the two adjacent D triggers is connected with the reverse output end of the previous D trigger;
the reset end of each D trigger is connected with the initialization unit, and the reverse output end of each D trigger is connected with the trigger end.
The utility model also provides a two-way luminous power cord pulse trigger lamp string, which comprises a plurality of the light sources, wherein the light sources are connected with the first port of the lamp string and the second port of the lamp string; the plurality of light sources are connected in parallel; or connected in parallel and then in series; or connected in series and then in parallel. The number of the light sources may be 1, or 2 or more.
The utility model also provides a two-way luminous power cord pulse trigger control device, which comprises the two-way luminous power cord pulse trigger lamp string, a first controllable switch, a second controllable switch, a third controllable switch and a fourth controllable switch;
the first controllable switch, the second controllable switch, the third controllable switch and the fourth controllable switch are controlled by a control circuit;
the input end of the first controllable switch is connected with a direct-current power supply, the output end of the first controllable switch is connected with a first port of the bidirectional light-emitting power line pulse trigger lamp string, and the control end of the first controllable switch is connected with the control circuit;
the output end of the second controllable switch is connected with the first port of the bidirectional light-emitting power line pulse trigger lamp string, the input end of the second controllable switch is connected with the ground, and the control end of the second controllable switch is connected with the control circuit;
the input end of the third controllable switch is connected with the direct-current power supply, the output end of the third controllable switch is connected with the second port of the bidirectional light-emitting power line pulse trigger lamp string, and the control end of the third controllable switch is connected with the control circuit;
the output end of the fourth controllable switch is connected with the second port of the bidirectional light-emitting power line pulse trigger lamp string, the input end of the fourth controllable switch is connected with the ground, and the control end of the fourth controllable switch is connected with the control circuit.
It will be appreciated that the addition of a resistive current limit between each port of the controllable switch and the corresponding connection port, and the addition of a capacitor at each end of the controllable switch, is permissible.
Preferably, when the second controllable switch and the third controllable switch of the control device are turned off, the control circuit controls the on and off of the first controllable switch to control the first power line pulse signal in the bidirectional light emitting power line pulse trigger lamp string to trigger the light emitting module.
Preferably, when the second controllable switch and the third controllable switch of the control device are turned off and the first controllable switch is turned on, the control circuit controls the turn-on and turn-off of the fourth controllable switch to control the first power line pulse signal in the bidirectional light-emitting power line pulse trigger lamp string to trigger the light-emitting module;
when the first controllable switch and the fourth controllable switch are turned off and the second controllable switch and the third controllable switch are turned on, the bidirectional light-emitting power line pulse triggers the reverse light-emitting module in the light string to work.
Preferably, the first controllable switch and the third controllable switch in the control device are PMOS devices, and the second controllable switch and the fourth controllable switch are NMOS devices.
Preferably, the first controllable switch and the third controllable switch in the control device are controllable switch modules, and the second controllable switch and the fourth controllable switch are NMOS devices;
the controllable switch module comprises a PMOS P1, an NMOS N1, a resistor R1 and a resistor R2, wherein the source electrode of the PMOS P1 is used as the input end of the controllable switch module, and the drain electrode of the PMOS P1 is used as the output end of the controllable switch module; the source of the PMOS P1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the gate of the PMOS P1 and one end of the resistor R2, the other end of the resistor R2 is connected to the drain of the NMOS N1, the gate of the NMOS N1 serves as the control end of the controllable switch module, and the source of the NMOS N1 is grounded;
the drain of the NMOS device is used as the output end of the second controllable switch and the fourth controllable switch, the source of the NMOS device is used as the input end of the second controllable switch and the fourth controllable switch, and the gate of the NMOS device is used as the control end of the second controllable switch and the fourth controllable switch.
Preferably, the fourth controllable switch comprises a first N-type controllable switch, a second N-type controllable switch and a current limiting resistor:
the first N-type controllable switch comprises a first N-type controllable switch control end, a first N-type controllable switch input end and a first N-type controllable switch output end, the first N-type controllable switch control end is electrically connected with the control circuit, the first N-type controllable switch input end serves as the fourth controllable switch input end, and the first N-type controllable switch output end is connected with the ground;
the second N-type controllable switch comprises a second N-type controllable switch control end, a second N-type controllable switch input end and a second N-type controllable switch output end, the second N-type controllable switch control end is electrically connected with the control circuit, and the second N-type controllable switch output end is connected with the ground;
one end of the current limiting resistor is connected with the input end of the first N-type controllable switch, and the other end of the current limiting resistor is connected with the input end of the second N-type controllable switch.
The utility model discloses a first power cord pulse signal triggers the various banks of LED of the different colour systems of luminous module and the reverse luminous module drive, and the combination obtains broad spectral effect. Further, the utility model discloses a first power cord pulse signal triggers the various banks of LED of the different colour systems of light-emitting module drive of light-emitting module and second power cord pulse signal trigger, and the combination obtains broad spectral effect. The utility model also provides a controlling means that contains the two-way luminous power cord pulse signal trigger lamp cluster of above-mentioned light source and two-way luminous power cord pulse signal trigger. Compared with the prior art, the utility model discloses a two-way power supply, through forward current and by power cord pulse signal trigger operation obtain a spectral range, the reverse another spectral range that increases of rethread only needs 2 power cords just increased light source, lamp cluster and controlling means's spectral range by a wide margin.
Drawings
FIG. 1 is a power line pulse signal trigger light source for bidirectional light emission provided in embodiment 1;
fig. 2 is a power line pulse signal trigger operation module in embodiment 1;
FIG. 3 is another bi-directional power line pulse signal triggered light source;
FIG. 4 is a bi-directional power line pulse triggered light string (fully parallel);
FIG. 5 is another bi-directional power line pulse triggered light string (parallel and series);
FIG. 6 is another bi-directional power line pulse triggered light string (series and parallel);
FIG. 7 is a power line pulse trigger control device with bi-directional light emission;
fig. 8 shows another power line pulse trigger control device for bidirectional light emission.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, the present embodiment provides a bi-directional light-emitting power line pulse signal trigger light source 1, which includes:
the first power line pulse signal triggers the light-emitting module 11 and the reverse light-emitting module 12, and the first power line pulse signal triggers the light-emitting module 11 and the reverse light-emitting module 12 to be connected in parallel with a power line first port 13 and a power line second port 14 of the light source;
the first power line pulse signal trigger light-emitting module 11 includes an LED color lamp set 111 and an LED driver 112 for driving the LED color lamp set 111 according to the power line pulse signal loaded by the power line;
when the level of the first power line port 13 is higher than that of the second power line port 14, the LED driver 112 drives the LED color lamp set 111 according to the power line pulse signal loaded by the power line; when the power line first port 13 is lower in level than the power line second port 14, the reverse light emitting module 12 operates.
The LED driver 112 includes: a reverse current blocking module 1121, a power line pulse signal triggering operation module 1122;
the input end of the reverse current blocking module 1121 is connected to the first power line port 13, the output end of the reverse current blocking module 1121 is connected to the power line pulse signal triggering operation module 1122, and the power line pulse signal triggering operation module 1122 drives the LED color lamp set 111 according to the operation result.
The LED color lamp set 111 of this embodiment is connected by a common anode, the LED color lamp set 111 includes a red LED 1111, a green LED 1112, and a blue LED 1113, cathodes of the red LED 1111, the green LED 1112, and the blue LED 1113 are respectively connected to an output terminal of the power line pulse signal trigger operation module 1122, and common anodes of the red LED 1111, the green LED 1112, and the blue LED 1113 are connected to an output terminal of the reverse current blocking module.
In this embodiment, the reverse current blocking module 1121 is a diode, an anode of the diode is connected to the first port 13 of the power line, and a cathode of the diode is connected to the power line pulse signal triggering module 1122.
In the present embodiment, as shown in fig. 2, the power line pulse signal triggering operation module 2(1122) includes: a pulse trigger operation unit 21 for performing operation according to the pulse signal trigger input from the power line and outputting an operation result; the charging unit 22 is used for providing a power supply level for the pulse trigger operation unit according to a pulse signal input by a power line, charging when the pulse signal is at a high level, and discharging when the pulse signal is at a low level; and the initialization unit 23 is used for initializing the pulse trigger operation unit according to the power supply level.
The power line pulse signal triggering operation module 2(1122) of the present embodiment is triggered by the pulse signal to perform pulse counting operation, and the operation result drives the color lamp set 111.
In this embodiment, the reverse current blocking module 1121 and the power line pulse signal triggering operation module 1122 are integrated in the same integrated circuit.
In this embodiment, the reverse light emitting module 12 is a warm white light emitting diode, the anode is connected to the second port 14 of the power line, and the cathode is connected to the first port 13 of the power line.
As shown in fig. 3, a power line pulse signal triggered light source 3 for bi-directional light emission according to another embodiment includes a first power line pulse signal triggered light emitting module 31 and a reverse light emitting module 32, where the first power line pulse signal triggered light emitting module 31 and the reverse light emitting module 32 are connected in parallel to a power line first port 33 and a power line second port 34 of the light source. In the present embodiment, the backward light emitting module 32 is triggered by the second power line pulse signal. When the level of the first power line port 33 is lower than that of the second power line port 34, the second power line pulse signal triggers the light emitting module to drive the LED color lamp set of the light emitting module to be triggered by the second power line pulse signal according to the power line pulse signal loaded by the power line.
As shown in fig. 4, the utility model provides a two-way luminous power cord pulse trigger lamp string 4, including 4 full parallel two-way light sources, be two-way light source 41, two-way light source 42, two-way light source 43, two-way light source 44 respectively. The bidirectional light source may be the power line pulse signal trigger light source 1 emitting light bidirectionally or the power line pulse signal trigger light source 3 emitting light bidirectionally.
As shown in fig. 5, another bi-directional light emitting power line pulse trigger lamp string 5 provided by the present invention comprises 4 bi-directional light sources, which are respectively a bi-directional light source 51, a bi-directional light source 52, a bi-directional light source 53, and a bi-directional light source 54, wherein the bi-directional light source 51 and the bi-directional light source 52 connected in parallel are connected in series with the bi-directional light source 53 and the bi-directional light source 54 connected in parallel. The bidirectional light source may be the above-mentioned bidirectional light-emitting power line pulse signal trigger light source 1 or bidirectional light-emitting power line pulse signal trigger light source 3.
As shown in fig. 6, the present invention provides another bi-directional light emitting power line pulse trigger lamp string 6, which comprises 4 bi-directional light sources, namely a bi-directional light source 61, a bi-directional light source 62, a bi-directional light source 63, and a bi-directional light source 64, wherein the bi-directional light source 61 and the bi-directional light source 62 connected in series are connected in parallel with the bi-directional light source 63 and the bi-directional light source 64 connected in series. The bidirectional light source may be the power line pulse signal trigger light source 1 emitting light bidirectionally or the power line pulse signal trigger light source 3 emitting light bidirectionally.
As shown in fig. 7, the present invention further provides a bi-directional light-emitting power line pulse trigger control device 7, which comprises a bi-directional light-emitting power line pulse trigger lamp string 71, a first controllable switch 72, a second controllable switch 73, a third controllable switch 74 and a fourth controllable switch 75;
the first controllable switch 72, the second controllable switch 73, the third controllable switch 74 and the fourth controllable switch 75 are controlled by a control circuit; the control circuit is not shown in this embodiment.
The input end of the first controllable switch 72 is connected with a direct-current power supply 76, the output end of the first controllable switch 72 is connected with a first port 77 of the bidirectional light-emitting power line pulse trigger lamp string, and the control end of the first controllable switch 72 is connected with a control circuit;
the output end of the second controllable switch 73 is connected with a first port 77 of the bidirectional light-emitting power line pulse trigger lamp string, the input end of the second controllable switch 73 is connected with the ground 78, and the control end of the second controllable switch 73 is connected with the control circuit;
the input end of the third controllable switch 74 is connected with a direct-current power supply 77, the output end of the third controllable switch 74 is connected with a power line pulse triggering lamp string port II 79 which emits light in two directions, and the control end of the third controllable switch 74 is connected with a control circuit;
the output end of the fourth controllable switch 75 is connected to the second port 79 of the bi-directional light-emitting power line pulse trigger lamp string, the input end of the fourth controllable switch 75 is connected to the ground 78, and the control end of the fourth controllable switch 75 is connected to the control circuit.
In this embodiment, when the second controllable switch 73 and the third controllable switch 74 are turned off and the first controllable switch 72 is turned on, the control circuit controls the on and off of the fourth controllable switch 75 to control the on and off of the first power line pulse signal in the power line pulse trigger lamp string 71 for bidirectional light emission to trigger the light emitting module; when the first controllable switch 72 and the fourth controllable switch 75 are turned off and the second controllable switch 73 and the third controllable switch 74 are turned on, the power line pulse of the bidirectional light emission triggers the reverse light emitting module of the string 71 to operate.
In this embodiment, the bi-directional light-emitting power line pulse trigger lamp string 71 may be the bi-directional light-emitting power line pulse trigger lamp string 5, the bi-directional light-emitting power line pulse trigger lamp string 6, or the bi-directional light-emitting power line pulse trigger lamp string 7.
In this embodiment, the first controllable switch 72 and the third controllable switch 74 are the controllable switch module 8 shown in fig. 8, and the second controllable switch 73 and the fourth controllable switch 75 are NMOS devices. The drain of the NMOS device serves as the output terminal of the second controllable switch 73/fourth controllable switch 75, the source of the NMOS device serves as the input terminal of the second controllable switch 73/fourth controllable switch 75, and the gate of the NMOS device serves as the control terminal of the second controllable switch 73/fourth controllable switch 75.
As shown in fig. 8, the controllable switch module 8 includes a PMOS P181, an NMOS N182, a resistor R183, and a resistor R284, wherein a source of the PMOS P181 serves as the input terminal 85 of the controllable switch module, and a drain of the PMOS P181 serves as the output terminal 86 of the controllable switch module; the source of the PMOS P181 is connected to one end of the resistor R183, the other end of the resistor R183 is connected to the gate of the PMOS P181 and one end of the resistor R284, the other end of the resistor R284 is connected to the drain of the NMOS N182, the gate of the NMOS N182 serves as the control end 87 of the controllable switch module, and the source of the NMOS N182 is grounded; in this embodiment, the resistor R183 is 1K ohm, and the resistor R284 is 1K ohm.
The utility model discloses a first power cord pulse signal triggers luminous module and second power cord pulse signal triggers the various banks of LED of luminous module drive different colour systems, and the combination obtains broad spectral effect. Compared with the prior art, the utility model discloses a light source passes through two-way power supply, through forward current and trigger the operation by power cord pulse signal and obtain a spectral range, and the reverse another spectral range that increases of rethread only needs 2 power cords just to increase substantially the spectral range of light source.
Claims (23)
1. A bi-directional light emitting power line pulse signal triggered light source, the light source comprising:
the first power line pulse signal triggers the light-emitting module and the reverse light-emitting module, and the first power line pulse signal triggers the light-emitting module and the reverse light-emitting module to be connected with a first power line port and a second power line port of the light source in parallel;
the first power line pulse signal trigger light-emitting module comprises an LED color lamp group and an LED driver used for driving the LED color lamp group according to the power line pulse signal loaded by the power line;
when the level of the first power line port is higher than that of the second power line port, the LED driver drives the LED color lamp set according to the power line pulse signal loaded by the power line; and when the level of the first port of the power line is lower than that of the second port of the power line, the reverse light-emitting module works.
2. The bi-directional illuminated power line pulse signal triggered light source of claim 1, wherein the LED driver comprises:
the reverse current blocking module is used for triggering the operation module by a power line pulse signal;
the input end of the reverse current prevention module is connected with the first port of the power line, the output end of the reverse current prevention module is connected with the power line pulse signal trigger operation module, and the power line pulse signal trigger operation module drives the LED colored lamp set according to an operation result.
3. The bi-directional luminous power line pulse signal triggered light source of claim 2, wherein the reverse current blocking module is a unidirectional conducting module, and is turned on when an input terminal of the reverse current blocking module is at a higher level than an output terminal of the reverse current blocking module, and is turned off when an input terminal of the reverse current blocking module is at a lower level than an output terminal of the reverse current blocking module.
4. The bi-directional light emitting power line pulse signal triggering light source according to claim 3, wherein the unidirectional conducting module is a diode, an anode of the diode is connected with the first port of the power line, and a cathode of the diode is connected with the power line pulse signal triggering operation module; or the unidirectional conducting module is an equivalent diode formed by an NPN triode, a collector electrode and a base electrode of the NPN triode are connected and then connected with the first port of the power line, and an emitter electrode of the NPN triode is connected with the power line pulse signal triggering operation module; or the unidirectional conductive module is an equivalent diode formed by a PNP triode, a collector and a base of the PNP triode are connected and then connected with the power line pulse signal triggering operation module, and an emitter is connected with the first port of the power line.
5. The bi-directional light-emitting power line pulse signal triggered light source of claim 4, wherein the reverse current prevention module and the power line pulse signal triggering operation module are integrated in the same integrated circuit.
6. The bi-directional power line pulse signal triggered light source of claim 5, wherein said power line pulse signal low level is said power line second port level.
7. The bi-directional luminous power line pulse signal triggered light source of claim 5, wherein the power line pulse signal low level is a third level higher than the power line second port level and lower than the power line first port level.
8. The bi-directional light source as claimed in claim 5, wherein the power line pulse signal trigger operation module is triggered by the pulse signal to perform operation, and the operation result drives the color light set.
9. The bi-directionally luminous power line pulse signal triggered light source of claim 8, wherein said operation is an arithmetic operation, a logical operation, a combination of an arithmetic operation and a logical operation.
10. The bi-directional light source as claimed in claim 8, wherein the power line pulse signal trigger operation module is triggered by the pulse signal to perform a pulse counting operation.
11. The bi-directional light-emitting power line pulse signal triggered light source of claim 5, wherein the power line pulse signal triggering operation module is triggered by the pulse signal to perform coding and decoding operations, and the pulse high and low level widths correspond to coded information.
12. The bi-directionally luminous power line pulse signal triggered light source of claim 11, wherein high levels of different lengths, or low levels of different lengths, or a combination of high levels of different lengths and low levels of different lengths, represent different logically encoded information.
13. The bi-directional light-emitting power line pulse signal trigger light source of claim 5, wherein the power line pulse signal trigger operation module is triggered by the pulse signal to perform a current or voltage frequency based modulation and demodulation operation, and drives the LED color lamp set according to the modulation and demodulation operation result.
14. The bi-directional power line pulse signal triggered light source of claim 1, wherein said reverse light module is comprised of a plurality of LEDs.
15. The bi-directional power-line pulse signal triggered light source according to claim 1, wherein the backward emitting module is a second power-line pulse signal triggered light emitting module, and when the power-line first port is lower in level than the power-line second port, the second power-line pulse signal triggered light emitting module drives the LED color light set of the second power-line pulse signal triggered light emitting module according to the power-line pulse signal loaded by the power line.
16. The bi-directional luminous power-line pulse signal triggered light source of claim 15, wherein the LED color light set of the second power-line pulse signal triggered light module is of a different color system than the LED color light set of the first power-line pulse signal triggered light module.
17. A bi-directional light emitting power line pulse triggered light string, characterized in that the light string comprises a plurality of light sources according to any one of claims 1 to 16, the light sources being connected to a first port of the light string and a second port of the light string;
the plurality of light sources are connected in parallel; or connected in parallel and then in series; or connected in series and then in parallel.
18. A bi-directional light-emitting power line pulse trigger control device, comprising the bi-directional light-emitting power line pulse trigger lamp string of claim 17, a first controllable switch, a second controllable switch, a third controllable switch and a fourth controllable switch;
the first controllable switch, the second controllable switch, the third controllable switch and the fourth controllable switch are controlled by a control circuit;
the input end of the first controllable switch is connected with a direct-current power supply, the output end of the first controllable switch is connected with a first port of the bidirectional light-emitting power line pulse trigger lamp string, and the control end of the first controllable switch is connected with the control circuit;
the output end of the second controllable switch is connected with the first port of the bidirectional light-emitting power line pulse trigger lamp string, the input end of the second controllable switch is connected with the ground, and the control end of the second controllable switch is connected with the control circuit;
the input end of the third controllable switch is connected with the direct-current power supply, the output end of the third controllable switch is connected with the second port of the bidirectional light-emitting power line pulse trigger lamp string, and the control end of the third controllable switch is connected with the control circuit;
the output end of the fourth controllable switch is connected with the second port of the bidirectional light-emitting power line pulse trigger lamp string, the input end of the fourth controllable switch is connected with the ground, and the control end of the fourth controllable switch is connected with the control circuit.
19. The bi-directional illuminated power line pulse trigger control of claim 18,
when the second controllable switch and the third controllable switch of the control device are turned off, the control circuit controls the on and off of the first controllable switch to control the first power line pulse signal in the bidirectional light-emitting power line pulse trigger lamp string to trigger the light-emitting module.
20. The bi-directional power line pulse trigger control of claim 18,
when the first controllable switch and the fourth controllable switch are turned off and the second controllable switch and the third controllable switch are turned on, the bidirectional light-emitting power line pulse triggers the reverse light-emitting module in the light string to work.
21. The bi-directional illuminated power line pulse trigger control of claim 20,
when the second controllable switch and the third controllable switch are turned off and the first controllable switch is turned on, the control circuit controls the on and off of the fourth controllable switch to control the first power line pulse signal in the bidirectional light-emitting power line pulse trigger lamp string to trigger the light-emitting module.
22. The bi-directional illuminated power line pulse trigger control of claim 21,
the fourth controllable switch comprises a first N-type controllable switch, a second N-type controllable switch and a current limiting resistor:
the first N-type controllable switch comprises a first N-type controllable switch control end, a first N-type controllable switch input end and a first N-type controllable switch output end, the first N-type controllable switch control end is electrically connected with the control circuit, the first N-type controllable switch input end serves as the fourth controllable switch input end, and the first N-type controllable switch output end is connected with the ground;
the second N-type controllable switch comprises a second N-type controllable switch control end, a second N-type controllable switch input end and a second N-type controllable switch output end, the second N-type controllable switch control end is electrically connected with the control circuit, and the second N-type controllable switch output end is connected with the ground;
one end of the current limiting resistor is connected with the input end of the first N-type controllable switch, and the other end of the current limiting resistor is connected with the input end of the second N-type controllable switch.
23. The bi-directional power line pulse trigger control of claim 18,
the first controllable switch and the third controllable switch are controllable switch modules, and the second controllable switch and the fourth controllable switch are NMOS devices respectively;
the controllable switch module comprises a PMOS P1, an NMOS N1, a resistor R1 and a resistor R2, wherein the source electrode of the PMOS P1 is used as the input end of the controllable switch module, and the drain electrode of the PMOS P1 is used as the output end of the controllable switch module; the source of the PMOS P1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the gate of the PMOS P1 and one end of the resistor R2, the other end of the resistor R2 is connected to the drain of the NMOS N1, the gate of the NMOS N1 is used as the control end of the controllable switch module, and the source of the NMOS N1 is grounded;
the drain of the NMOS device serves as the output end of the second controllable switch and the fourth controllable switch, the source of the NMOS device serves as the input end of the second controllable switch and the fourth controllable switch, and the gate of the NMOS device serves as the control end of the second controllable switch and the fourth controllable switch.
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| CN202123393097 | 2021-12-29 | ||
| CN2021233930971 | 2021-12-29 |
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