CN111586916A - LED lamp - Google Patents
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- CN111586916A CN111586916A CN202010511598.6A CN202010511598A CN111586916A CN 111586916 A CN111586916 A CN 111586916A CN 202010511598 A CN202010511598 A CN 202010511598A CN 111586916 A CN111586916 A CN 111586916A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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Abstract
The present invention provides an LED lamp comprising: the device comprises a plurality of receiving ends for preset signals, a signal conversion module, a plurality of primary color modules and a white light module; the receiving ends of the plurality of preset signals are connected with the input ends of the plurality of primary color modules in a one-to-one correspondence manner, and the receiving ends of the plurality of preset signals are used for receiving light-emitting signals for driving the primary color modules to emit light; the input end of the signal conversion module is respectively connected with the receiving ends of the preset signals in a one-to-one correspondence mode, and is also connected with the input ends of the primary color modules in a one-to-one correspondence mode, the output end of the signal conversion module is connected with the white light module, the signal conversion module is used for driving the corresponding primary color modules to emit light according to the light-emitting signals, when the receiving ends of the preset signals all receive the light-emitting signals, the signal conversion module drives the white light module to emit light, and the primary color modules do not emit light. The technical problem of energy consumption is solved.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to an LED lamp.
Background
In some activity occasions, in order to decorate a site, various decorations are generally used to decorate the site, the decorations generally include decorative lamps, generally, LEDs are controlled to decorate lighting lamps, and the LEDs are generally in three colors, namely red, green and blue.
Because the LED decorative illuminating lamp only has red, green and blue, when the required light is white, the white light is obtained by mixing the red, the green and the blue, due to the limitation of the LED production process, the RGB mixed white light has obvious color difference in the batch production process, the consistency of the light is difficult to control, the brightness of the RGB mixed white light is about half of that of the white LED, in order to meet the requirements of the brightness and the chromaticity of the white light, the light of the LED is controlled by adding a group of white LED lamps and respectively generating data of four channels of R, G, B and W (white), but the PC display system processes the RGB colors, a W channel is added, extra real-time signal processing is needed, and the data quantity is huge when the signals are acquired in real time; the effect of non-real-time acquisition is difficult to process by customers when changing, and a large amount of data processing will cause resource consumption, so that the improvement space is provided.
Disclosure of Invention
The invention aims to provide an energy-saving LED lamp, which solves the technical problem of high power consumption for meeting the brightness requirement of white light.
The invention provides an LED lamp, comprising: the device comprises a plurality of receiving ends for preset signals, a signal conversion module, a plurality of primary color modules and a white light module; the receiving ends of the plurality of preset signals are connected with the input ends of the plurality of primary color modules in a one-to-one correspondence manner, and the receiving ends of the plurality of preset signals are used for receiving light-emitting signals for driving the primary color modules to emit light; the input end of the signal conversion module is respectively connected with the receiving ends of the preset signals in a one-to-one correspondence mode, and is also connected with the input ends of the primary color modules in a one-to-one correspondence mode, the output end of the signal conversion module is connected with the white light module, the signal conversion module is used for driving the corresponding primary color modules to emit light according to the light-emitting signals, when the receiving ends of the preset signals all receive the light-emitting signals, the signal conversion module drives the white light module to emit light, and the primary color modules do not emit light.
Preferably, the plurality of predetermined signals comprises: red light signal, green light signal and blue light signal, several said primary color module include: the LED lamp comprises an R light-emitting module, a G light-emitting module and a B light-emitting module, wherein the input ends of the R light-emitting module, the G light-emitting module and the B light-emitting module are respectively connected with the receiving ends of red light signals, green light signals and blue light signals in a one-to-one correspondence mode.
Preferably, the signal conversion module includes an and gate module, a plurality of input terminals of the and gate module are correspondingly connected to a plurality of receiving terminals of the predetermined signal, and an output terminal of the and gate module is electrically connected to the white light module, wherein when the output of the and gate module is true, the white light module is turned on.
Preferably, the and gate module includes a plurality of first diodes, and cathodes of the first diodes are connected to receiving ends of the predetermined signals in a one-to-one correspondence manner.
Preferably, the white light module includes a light emitting LED lamp LW, a switching device, a resistor R4, and a resistor RW; the anode of the LED lamp LW is connected with a power supply, and the cathode of the LED lamp LW is connected with the first end of the resistor RW; the second end of the resistor RW is connected with the output end of the switching device; the cathodes of the first diodes are in one-to-one correspondence with the receiving ends of the preset signals.
Preferably, the conversion module further comprises: a plurality of second diodes; the anodes of the second diodes are connected with the receiving ends of the preset signals in a one-to-one correspondence mode, and the cathodes of the second diodes are connected with the output end of the switch device.
Preferably, the primary color module comprises a plurality of light-emitting LED lamps and a plurality of switching triodes; the light color of the luminous LED is three primary colors of red, green and blue; the base electrodes of the switching triodes are connected with the receiving ends of the preset signals in a one-to-one correspondence mode, and the collecting electrodes are connected with the negative electrode of the light-emitting LED lamp.
Preferably, the switching transistors are all NPN transistors.
Compared with the prior art, the invention has the following beneficial effects: the corresponding primary color module emits light normally by inputting a light emitting signal for receiving and driving the primary color module to emit light to a preset signal receiving end, the input ends of the signal conversion modules are respectively connected with the receiving ends of a plurality of preset signals in a one-to-one corresponding way and are also connected with the input ends of a plurality of primary color modules in a one-to-one corresponding way, the output ends of the signal conversion modules are connected with the white light module, when the receiving ends of a plurality of preset signals all receive the light emitting signal, the conversion module converts the original light emitting signal for driving the primary color module into a light emitting signal for driving the white light module, so that the white light module is driven to emit light, the primary color modules do not emit light, the white light emitted by the white light module is used for replacing the white light formed by mixing a plurality of primary color light emitting modules, the brightness of the white light is larger than the mixed brightness, no color, and meanwhile, the white light module and the primary color module adopt the same light-emitting signal to control light emission, and a W channel is not required to be added, so that a large amount of real-time data is not required to be processed, and the data processing resource is saved. The technical problem of resource consumption is solved.
Drawings
FIG. 1 is a schematic circuit diagram of an LED lamp according to the present invention;
FIG. 2 is a schematic circuit diagram of an LED lamp according to embodiment 2 of the present invention;
fig. 3 is a circuit connection diagram of an LED lamp according to embodiment 3 of the present invention.
Detailed Description
The embodiment of the invention provides an LED lamp capable of saving resources, saving energy and protecting environment, and solves the technical problem of resource consumption.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic circuit connection diagram of an LED lamp according to the present invention, the LED lamp includes: the device comprises a plurality of receiving ends for preset signals, a signal conversion module, a plurality of primary color modules and a white light module; the receiving ends of the plurality of preset signals are connected with the input ends of the plurality of primary color modules in a one-to-one correspondence manner, and the receiving ends of the plurality of preset signals are used for receiving luminous signals for driving the primary color modules to emit light; the input end of the signal conversion module is respectively connected with the receiving ends of the plurality of preset signals in a one-to-one correspondence manner, and is also connected with the input ends of the plurality of primary color modules in a one-to-one correspondence manner, the output end of the signal conversion module is connected with the white light module, the signal conversion module is used for driving the corresponding primary color modules to emit light according to the light emitting signals, wherein when the receiving ends of the plurality of preset signals all receive the light emitting signals, the signal conversion module drives the white light module to emit light, and the plurality of.
When the white module emits light, none of the primary color modules emits light.
Specifically, the plurality of predetermined signals includes: red light signal, green light signal and blue light signal, several said primary color module include: the LED lamp comprises an R light-emitting module, a G light-emitting module and a B light-emitting module, wherein the input ends of the R light-emitting module, the G light-emitting module and the B light-emitting module are respectively connected with the receiving ends of red light signals, green light signals and blue light signals in a one-to-one correspondence mode.
Specifically, the signal conversion module comprises an and gate module, a plurality of input ends of the and gate module are correspondingly connected with receiving ends of a plurality of preset signals, and an output end of the and gate module is electrically connected with the white light module, wherein when the output of the and gate module is true, the white light module is lightened.
Specifically, the and gate module includes a plurality of first diodes, and cathodes of the plurality of first diodes are connected to receiving terminals of the plurality of predetermined signals in a one-to-one correspondence manner.
It should be noted that each second diode is connected to a receiving end of a predetermined signal in a one-to-one correspondence.
Specifically, the white light module includes a light emitting LED lamp LW, a switching device, a resistor R4, and a resistor RW; the anode of the LED lamp LW is connected with a power supply, and the cathode of the LED lamp LW is connected with the first end of the resistor RW; the second end of the resistor RW is connected with the output end of the switching device; the cathodes of the first diodes are in one-to-one correspondence with the receiving ends of the preset signals.
It is understood that the switching device may be a triode, a MOS transistor, a photocoupler, a relay, etc. It should be noted that the number of the first diodes is the same as the number of the primary color light emitting modules, and for the type of the first diodes, those skilled in the art can select the first diodes according to the actual requirements in the circuit, which is not limited herein.
Specifically, the conversion module further comprises: a plurality of second diodes; the anodes of the second diodes are connected with the output ends of the switching devices in a one-to-one correspondence mode, and the cathodes of the second diodes are connected with the output ends of the switching devices.
Specifically, the primary color module comprises a plurality of light-emitting LED lamps and a plurality of switching triodes; the light color of the luminous LED is three primary colors of red, green and blue; the base electrodes of the switching triodes are correspondingly connected with the receiving ends of the preset signals one by one, and the collector electrodes are connected with the negative electrode of the light-emitting LED lamp.
It is understood that when the primary color modules are R, G and B light emitting modules, the R light emitting module may include a transistor QR, a resistor R1, a resistor RR and a light emitting LED lamp, and the signal conversion module may be: a first end of the resistor R1 is connected with an RIN end in receiving ends of preset signals and the diode D1, and a second end of the resistor R1 is connected with a base electrode of the triode QR; a collector electrode of the triode QR is connected with a first end of the resistor RR, and an emitter electrode of the triode QR is grounded; the second end of the resistor RR is connected with the red light-emitting LED lamp, the base of the triode QR is also connected with the anode of the diode D6, and the cathode of the diode D6 is connected with the collector of the triode Q1. For the circuit of the G light emitting module and the R light emitting module, the principle and the connection are the same, and the specific further connection can be referred to fig. 1. The anodes of the diodes D1, D2, and D3 are all connected to the base of the transistor Q1, and the cathodes of D4, D5, and D6 are all connected to the collector of the transistor Q1.
IN the embodiment, according to the connection of the above circuits, when any one of the output terminals RIN, GIN and BIN of the target light signal input module outputs a low-level light emitting signal, Q1 is not turned on, the lamp LW is not lit, RGB is not affected by Q1, and corresponding module light emission is performed according to the light emitting signals IN, GIN and BIN, for example, when the RIN terminal and BIN terminal receive the light emitting signals, the corresponding red light emitting LED lamp and blue light emitting LED lamp respectively emit red light and blue light, and when the corresponding green light emitting LED at the GIN terminal does not emit light. When the RGB inputs are all high level light emitting signals, Q1 turns on LW and is lit, and pulls down the base currents of the transistor GR, the transistor QG, and the transistor QB through D4, D5, and D6, so that the transistor GR, the transistor QG, and the transistor QB are not turned on, and the LED lamp LRGB is not lit at this time, and the LW lamp in the white lamp module will emit white light. And an extra group of white LED lamps are not needed, so that the condition of huge data volume in real-time signal acquisition caused by extra signal processing of a PC display system is avoided.
Specifically, the switching transistors are NPN transistors.
It can be understood that when the required white light brightness is high, the light brightness mixed by the light of the three primary colors is low, and by the above manner, when the light module of the three primary colors receives the light emitting signal, the signal is converted to the white light module by the light conversion module so as to light the white light module, thereby realizing the high-intensity white light, so that the light mixing by the light module of the three primary colors is not needed, only the lamp of one module needs to be lighted, and the electric energy loss during the light emitting process is reduced.
In this embodiment, the corresponding primary color module emits light as usual by inputting the light emitting signal for receiving the light emitted by the primary color module to the predetermined signal receiving terminal, the input terminal of the signal conversion module is connected to the receiving terminals of the predetermined signals one by one, and is also connected to the input terminals of the primary color modules one by one, and the output terminal is connected to the white light module, when the receiving terminals of the predetermined signals all receive the light emitting signal, the conversion module converts the light emitting signal originally driving the primary color module into the light emitting signal driving the white light module, so that the white light module is driven to emit light, the primary color module does not emit light, the white light emitted by the white light module replaces the white light mixed by the primary color light modules, so that the brightness of the white light is greater than the mixed brightness, and there is no color difference, and the requirements of the brightness and chromaticity of the white light, the white light module is only required to be lightened, the power of the circuit for emitting white light is reduced, energy is saved, the environment is protected, meanwhile, the white light module and the primary color module adopt the same light-emitting signal to control light emission, the W channel is not required to be added, and therefore a large amount of real-time data do not need to be processed, and data processing resources are saved. The technical problem of resource consumption is solved.
Referring to fig. 2, fig. 2 is a circuit connection diagram of an LED lamp according to an embodiment 2 of the invention. Example 2 is further illustrated on the basis of example 1:
the LED lamp comprises a signal receiving end RIN, a signal receiving end GIN and a signal receiving end BIN, a primary color module, a white light module and a signal conversion module; the signal conversion module comprises diodes D7, D8, D9, D10, D11, D12 and a triode Q2, and the primary color module comprises an LED lamp LRGB1 and a triode Q1; the white light module comprises a triode Q3 and a light emitting lamp LW 1.
The signal receiving terminals RIN, GIN and BIN are respectively connected to the anodes of diodes D7, D8 and D9 in the signal conversion module, the cathodes of D7, D8 and D9 are connected to the emitter of a triode Q2, the anodes of diodes D10, D11 and D12 are connected to one end of a lamp LRGB1 of the primary color module, the cathodes of the diodes are connected to the base of a triode Q2, the other end of the lamp LRGB1 is connected to the collector of a triode Q1, the base of the triode Q1 is connected to the base of a triode Q3 and the collector of a triode Q2, the triode Q3 is electrically connected to a lamp LW1, and reference is made to fig. 2 for the connection of auxiliary components.
In this embodiment, when the common RGB common positive signal is input, and any two groups of the signal receiving terminals RIN, GIN and BIN have a voltage difference, Q2 is turned on, Q1 is also turned on, and the lamps corresponding to RIN, GIN and BIN emit light, and when the RGB inputs are all the same, Q2 is turned on and off, Q1 is also turned off, Q3 is turned on, and the lamp LW1 emits light.
Example 3
Referring to fig. 3, fig. 3 is a circuit connection diagram of an LED lamp according to an embodiment 3 of the present invention. Example 3 is further illustrated on the basis of example 1:
an LED lamp comprises a signal control input module, a signal conversion module, a primary color module and a white light module; the signal control input module is connected with the input end of the signal conversion module and is used for inputting a light-emitting control signal; the output end of the signal conversion module is connected with the other primary color module and the white light module, and the signal conversion module is used for converting the input signal input to the white light module or the primary color module according to the light-emitting control signal input by the signal control input module.
Referring to fig. 3, the signal input module includes a pixel control chip U1, which is configured to convert a received light emitting control signal into a PWM signal for controlling the brightness of each LED lamp in the primary color module, and input the PWM signal into the signal conversion module, the three diodes D2, D3, and D4 in the signal number conversion module form an or gate, the transistor Q2 and a 12V voltage regulator form a comparator, so that the voltage at the base of the transistor Q2 is defined as a high level when higher than 12.7V, and the transistor Q2 undertakes the operation of a not gate, so that the high level of the base is inverted, when any one of the three signals is high (not lit), the transistor Q2 outputs a low level to the base of the transistor Q1, so as to turn on the transistor Q1, while the transistor Q3 is not turned on, the LED lamp in the white light module is not lit, while the transistors L1 to L6 are powered, so as to light up the L58 6 9 to L2, while the transistor 1 is not powered when the three signals are all low (lit), q3 is on and the white light module is lit while the primary color module is not emitting light. For the connection relationship of the components, please refer to fig. 3, which is not described herein.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An LED lamp, comprising: the device comprises a plurality of receiving ends for preset signals, a signal conversion module, a plurality of primary color modules and a white light module;
the receiving ends of the plurality of preset signals are connected with the input ends of the plurality of primary color modules in a one-to-one correspondence manner, and the receiving ends of the plurality of preset signals are used for receiving light-emitting signals for driving the primary color modules to emit light;
the input end of the signal conversion module is respectively connected with the receiving ends of the preset signals in a one-to-one correspondence mode, and is also connected with the input ends of the primary color modules in a one-to-one correspondence mode, the output end of the signal conversion module is connected with the white light module, the signal conversion module is used for driving the corresponding primary color modules to emit light according to the light-emitting signals, when the receiving ends of the preset signals all receive the light-emitting signals, the signal conversion module drives the white light module to emit light, and the primary color modules do not emit light.
2. The LED lamp of claim 1, wherein the number of predetermined signals comprises: red light signal, green light signal and blue light signal, several said primary color module include: the LED lamp comprises an R light-emitting module, a G light-emitting module and a B light-emitting module, wherein the input ends of the R light-emitting module, the G light-emitting module and the B light-emitting module are respectively connected with the receiving ends of red light signals, green light signals and blue light signals in a one-to-one correspondence mode.
3. The LED lamp of claim 1, wherein the signal conversion module comprises an AND gate module, a plurality of input terminals of the AND gate module are correspondingly connected to a plurality of receiving terminals of the predetermined signal, and an output terminal of the AND gate module is electrically connected to the white light module, wherein when the output of the AND gate module is true, the white light module is turned on.
4. The LED lamp of claim 3, wherein the AND gate module comprises a plurality of first diodes, and cathodes of the first diodes are connected with receiving terminals of the predetermined signals in a one-to-one correspondence manner.
5. The LED lamp of claim 4, wherein the white light module comprises: the LED lamp comprises a light-emitting LED lamp LW, a switching device, a resistor R4 and a resistor RW;
the anode of the LED lamp LW is connected with a power supply, and the cathode of the LED lamp LW is connected with the first end of the resistor RW;
the second end of the resistor RW is connected with the output end of the switching device;
the cathodes of the first diodes are in one-to-one correspondence with the receiving ends of the preset signals.
6. The LED lamp of claim 5, wherein the conversion module further comprises: a plurality of second diodes;
the anodes of the second diodes are connected with the corresponding second diodes, and the cathodes of the second diodes are connected with the output end of the switch device.
7. The LED lamp of claim 6, wherein the primary color module comprises a plurality of light emitting LED lamps and a plurality of switching transistors;
the light color of the luminous LED is three primary colors of red, green and blue;
the base electrodes of the switching triodes are connected with the receiving ends of the preset signals in a one-to-one correspondence mode, and the collecting electrodes are connected with the negative electrode of the light-emitting LED lamp.
8. The LED lamp of claim 7, wherein the plurality of switching transistors are NPN transistors.
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CN202010511598.6A CN111586916A (en) | 2020-06-08 | 2020-06-08 | LED lamp |
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CN202010511598.6A CN111586916A (en) | 2020-06-08 | 2020-06-08 | LED lamp |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114390751A (en) * | 2021-12-27 | 2022-04-22 | 深圳市共进电子股份有限公司 | LED drive circuit and LED subassembly |
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2020
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114390751A (en) * | 2021-12-27 | 2022-04-22 | 深圳市共进电子股份有限公司 | LED drive circuit and LED subassembly |
CN114390751B (en) * | 2021-12-27 | 2024-05-10 | 深圳市共进电子股份有限公司 | LED drive circuit and LED assembly |
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