CN211019331U - Novel adjustable color temperature controller - Google Patents
Novel adjustable color temperature controller Download PDFInfo
- Publication number
- CN211019331U CN211019331U CN201922422787.1U CN201922422787U CN211019331U CN 211019331 U CN211019331 U CN 211019331U CN 201922422787 U CN201922422787 U CN 201922422787U CN 211019331 U CN211019331 U CN 211019331U
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- triode
- mos tube
- resistor
- power supply
- driving circuit
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- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 239000011324 bead Substances 0.000 claims description 2
- 239000011049 pearl Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model provides a novel adjustable color temperature controller, which comprises a single chip microcomputer, L ED lamp area, two sets of L ED drive circuit, H bridge drive circuit, two IO interfaces of singlechip connect two sets of L ED drive circuit, H bridge drive circuit is between two sets of L ED drive circuit, H bridge drive circuit connects L ED lamp area, the back multiunit series connection of L ED lamp pearl reverse parallel connection of different colour temperatures, when inserting the power, any moment of positive and negative half week has L ED lamp pearl of a plurality of the same colour temperatures to be bright, make people's eye feel not scintillation, only use two way circuit to control the adjustment colour temperature, reduce the wiring, reduce the wire cost, the PWM pulse wave signal of singlechip output gets into L ED drive circuit and carries out the switch and selects after giving H bridge drive circuit, the break-make of a certain way of control H bridge drive circuit, thereby realize the selection to different colour temperature L ED lamp pearl, and can carry out remote control through infrared transceiver module, it is convenient to adjust.
Description
Technical Field
The utility model relates to a lamp area, especially a novel adjustable color temperature controller.
Background
L ED color temperature is expressed as the absolute temperature K, i.e., the absolute temperature of a black body at the time when a light source is the same as the color of the black body, as the color begins to change gradually from deep red-light red-orange yellow-white-blue as the temperature rises to a certain level.
As shown in fig. 1, the current L ED color temperature adjustment is controlled by three lines, 1 line is connected with the anode, and the other 2 lines are respectively connected with the warm white cathode and the white cathode, which is high in cost, and the corresponding circuit board needs to go through three routes, resulting in the reduction of the usable length of the lamp strip under the same condition.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel adjustable color temperature controller realizes the color temperature adjustment control in L ED lamp area, adopts the following technical scheme that including singlechip, L ED lamp area, two sets of L ED drive circuit, H bridge drive circuit, two IO interfaces of singlechip connect two sets of L ED drive circuit, two sets of L ED drive circuit indirect H bridge drive circuit, H bridge drive circuit connects L ED lamp area.
Preferably, the L ED driving circuit comprises an A circuit L ED driving circuit and a B circuit L ED driving circuit, the A circuit L ED driving circuit comprises a triode Q6, a triode Q3 and a triode Q7, the base of the triode Q6 is connected with a 3.3V power supply through a pull-up resistor R6, the base of the triode Q6 is further connected with a single chip I/O interface through a resistor R11, the emitter is grounded, the collector is connected with the base of the triode Q7 and the base of the triode Q3, a resistor R5 is connected between the base of the triode Q3 and the collector, the collector is connected with a 12V power supply, the emitter is connected with the emitter of the triode Q7, the emitter of the triode Q7 is connected with one signal input end of the H bridge driving circuit through a resistor R7, and the collector of the triode Q686.
Preferably, the B circuit L ED driving circuit is connected to an I/O interface of another single chip microcomputer through a resistor R14, the B circuit L ED driving circuit includes a triode Q9, a triode Q8 and a triode Q10, the base of the triode Q9 is connected to a resistor R14, the base of the triode Q9 is further connected to a 3.3v power supply through a pull-up resistor, the emitter is grounded, the collector is connected to a triode Q8 and the base of the triode Q10, the base of the triode Q8 is connected to the collector through a resistor R12, the collector is connected to a 12v power supply, the emitter is connected to the emitter of the triode Q10, and the emitter of the triode Q10 is connected to the other circuit signal input terminal of the H bridge driving circuit through a resistor R8, and the collector.
Preferably, the H-bridge driving circuit comprises a MOS transistor Q1, a MOS transistor Q2, a MOS transistor Q5 connected to a pulse signal through a resistor R7, and a MOS transistor Q4 connected to the pulse signal through a resistor R8, wherein a source of the MOS transistor Q5 is grounded, a drain of the MOS transistor Q1 is connected to a drain of the MOS transistor Q3583, and the drain of the MOS transistor Q2 is connected to a gate of the MOS transistor Q17; the source electrode of the MOS transistor Q1 is connected with a power supply VCC, and the grid electrode of the MOS transistor Q2 is connected with the drain electrode of the MOS transistor Q16; the source electrode of the MOS tube Q2 is connected with a power VCC, and the drain electrode is connected with the drain electrode of the MOS tube Q4; the source of the MOS transistor Q4 is grounded.
Preferably, the L ED lamp area is formed by connecting L ED lamp pearls in series after being reversely connected in parallel, the common end of the drain electrode of the MOS tube Q5 and the drain electrode of the MOS tube Q1 is connected with one end of the L ED lamp area, and the common end of the drain electrode of the MOS tube Q2 and the drain electrode of the MOS tube Q4 is connected with the other end of the L ED lamp area.
Preferably, the controller further comprises a power management module, the power management module is connected to a power VCC and outputs multiple paths of different voltages to the single chip microcomputer and the L ED driving circuit, the power management module comprises a voltage stabilizing chip U2, a low-voltage-difference voltage chip U3 and a low-voltage-difference voltage chip U4, the input end of the voltage stabilizing chip U2 is connected to the power VCC, the output end of the voltage stabilizing chip U2 is connected to the 12V voltage to the triode Q8 and the triode Q3, the input end of the low-voltage-difference voltage chip U3 is connected to the output end of the voltage stabilizing chip U2, the output end of the low-voltage-difference voltage chip U86524 is connected to the input end of the low-voltage-difference voltage chip U4, the low-voltage-difference voltage chip U4 outputs 3.3V voltage, and the output end of the low-voltage.
Preferably, a diode D1 is connected between the power source VCC and the input end of the regulator chip U2, and is used for protecting the regulator chip U2; a power supply protection circuit is connected between the positive electrode and the negative electrode of the power supply, the power supply protection circuit comprises an MOS tube Q11 and a diode D3, the drain electrode of the MOS tube Q11 is connected with the negative end of the power supply, the source electrode is grounded, and the grid electrode is connected with the positive electrode of the power supply through an RC filter circuit; the diode D3 is reversely connected between the gate and the source of the MOS tube.
Preferably, the controller further comprises an infrared transceiver module, a power supply pin of the infrared transceiver module is connected with the output end of the low-dropout voltage chip U4, a grounding pin of the infrared transceiver module is grounded, an output pin of the infrared transceiver module is connected with an I/O pin of the single chip microcomputer, and the output pin of the infrared transceiver module is connected with 3.3v power supply voltage through a pull-up resistor R1.
The beneficial effects of the utility model are that L ED lamp pearl of different colour temperatures is the reverse multiunit series connection after parallelly connected, when the access power, the L ED lamp pearl that all has a plurality of the same colour temperatures at any moment of positive and negative half week is bright, make people's eye feel not twinkle, only use two way circuits to control the adjustment colour temperature, reduce the wiring, reduce the wire cost, the PWM pulse wave signal of singlechip output gets into L ED drive circuit and exports for H bridge drive circuit after the switch selection, the break-make of a certain way of control H bridge drive circuit, thereby realize the selection to different colour temperature L ED lamp pearls, and can carry out remote control through infrared transceiver module, and it is convenient to adjust.
Drawings
FIG. 1 is a schematic circuit diagram of a prior art;
fig. 2 is a schematic diagram of the circuit for adjusting color temperature of a light strip according to the present invention, specifically, a schematic diagram of an L ED driving circuit and an H-bridge driving circuit;
fig. 3 is a schematic circuit diagram of the single chip microcomputer according to the present invention;
fig. 4 is a schematic circuit diagram of an L ED light strip according to the present invention;
fig. 5 is a schematic circuit diagram of the power management module of the present invention;
fig. 6 is a schematic circuit diagram of the infrared transceiver module of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in FIG. 1, in the color temperature adjustment of the prior art, lamp strings are formed by serially connecting lamp beads with the same color, then the lamp strings with different colors are connected in a common anode manner, two lamp strings have two cathodes, and the color temperature adjustment is controlled by three lines in total.
The utility model is used for carry out the colour temperature adjustment to the L ED lamp area that figure 4 is shown, L ED lamp area obtains the parallelly connected constitution of back multiunit of L ED lamp pearl series reversal by different colour temperatures, guarantees all to have a plurality of L ED bright at any moment in positive and negative half week, makes people's eye feel not twinkling, otherwise only can feel the scintillation with one, and guarantees that arbitrary L ED lamp pearl is not punctureed.
Preferably, L ED lamp pearls of the same colour temperature are in same conducting circuit, when can guaranteeing arbitrary positive and negative half week, constitute L ED lamp pearl cluster of the same colour temperature.
The circuit shown in fig. 2 and 3 realizes color temperature adjustment control of L ED lamp strips, and comprises a single chip microcomputer, L ED lamp strips, two groups of L ED driving circuits and an H-bridge driving circuit, wherein two I/O interfaces of the single chip microcomputer are connected with the two groups of L ED driving circuits, the H-bridge driving circuit is connected between the two groups of L ED driving circuits and connected with L ED lamp strips, the single chip microcomputer outputs two paths of PWM pulse waves to the two groups of L ED driving circuits, the two groups of L ED driving circuits are used as soft switches of the H-bridge driving circuits to control the conduction of a certain circuit in the H-bridge driving circuits, and the selection of L ED with different color temperatures in the L ED lamp strips is realized.
Preferably, the L ED driving circuit comprises an A circuit L ED driving circuit and a B circuit L ED driving circuit, the A circuit L ED driving circuit comprises a triode Q6, a triode Q3 and a triode Q7, the base of the triode Q6 is connected with a 3.3V power supply through a pull-up resistor R6, the base of the triode Q6 is further connected with a single chip I/O interface through a resistor R11, the emitter is grounded, the collector is connected with the base of the triode Q7 and the base of the triode Q3, the resistor R5 is connected between the base of the triode Q3 and the collector, the collector is connected with a 12V power supply, the emitter is connected with the emitter of the triode Q7, the emitter of the triode Q7 is connected with a signal input end of an H bridge driving circuit through a resistor R7, the collector of the triode Q7 is grounded, the working state of the triode Q3 or the triode Q7 is selected by the on-off of a triode Q6, and the selection of.
Preferably, the B circuit L ED driving circuit is connected to an I/O interface of another single chip microcomputer through a resistor R14, the B circuit L ED driving circuit includes a triode Q9, a triode Q8 and a triode Q10, the base of the triode Q9 is connected to a resistor R14, the base of the triode Q9 is further connected to a 3.3v power supply through a pull-up resistor, the emitter is grounded, the collector is connected to a triode Q8 and the base of the triode Q10, the base of the triode Q8 is connected to the collector through a resistor R12, the collector is connected to a 12v power supply, the emitter is connected to the emitter of the triode Q10, and the emitter of the triode Q10 is connected to the other circuit signal input terminal of the H bridge driving circuit through a resistor R8, and the collector.
Preferably, the H-bridge driving circuit comprises a MOS transistor Q1, a MOS transistor Q2, a MOS transistor Q5 connected to a pulse signal through a resistor R7, and a MOS transistor Q4 connected to the pulse signal through a resistor R8, wherein a source of the MOS transistor Q5 is grounded, a drain of the MOS transistor Q1 is connected to a drain of the MOS transistor Q3583, and the drain of the MOS transistor Q2 is connected to a gate of the MOS transistor Q17; the source electrode of the MOS transistor Q1 is connected with a power supply VCC, and the grid electrode of the MOS transistor Q2 is connected with the drain electrode of the MOS transistor Q16; the source electrode of the MOS tube Q2 is connected with a power VCC, and the drain electrode is connected with the drain electrode of the MOS tube Q4; the source of the MOS transistor Q4 is grounded.
Preferably, the H-bridge driving circuit may further use four triodes to replace four MOS transistors.
Preferably, the L ED lamp area is formed by connecting L ED lamp pearls in series after being reversely connected in parallel, the common end of the drain electrode of the MOS tube Q5 and the drain electrode of the MOS tube Q1 is connected with one end of the L ED lamp area, and the common end of the drain electrode of the MOS tube Q2 and the drain electrode of the MOS tube Q4 is connected with the other end of the L ED lamp area.
Preferably, the controller further comprises a power management module, the power management module is connected to a power VCC and outputs multiple paths of different voltages to the single chip microcomputer and the L ED driving circuit to match multiple voltage requirements, the power management module comprises a voltage stabilizing chip U2, a low-voltage-difference voltage chip U3 and a low-voltage-difference voltage chip U4, the input end of the voltage stabilizing chip U2 is connected to the power VCC, the output end of the voltage stabilizing chip U2 is connected to a 12V voltage to the triode Q8 and the triode Q3, the input end of the low-voltage-difference voltage chip U3 is connected to the output end of the voltage stabilizing chip U2, the output end of the low-voltage-difference voltage chip U86524 is connected to the input end of the low-voltage-difference voltage chip U4, 3.3V voltage is output, and the output end of the low-voltage-difference voltage chip U4 is connected to the.
Preferably, a diode D1 is connected between the power source VCC and the input end of the regulator chip U2, and is used for protecting the regulator chip U2; a power supply protection circuit is connected between the positive electrode and the negative electrode of the power supply, the power supply protection circuit comprises an MOS tube Q11 and a diode D3, the drain electrode of the MOS tube Q11 is connected with the negative end of the power supply, the source electrode is grounded, and the grid electrode is connected with the positive electrode of the power supply through an RC filter circuit; the diode D3 is reversely connected between the gate and the source of the MOS tube.
Preferably, the controller further comprises an infrared transceiver module for realizing control of the remote controller, a power supply pin of the infrared transceiver module is connected with the output end of the low-dropout voltage chip U4, a grounding pin of the infrared transceiver module is grounded, an output pin of the infrared transceiver module is connected with an I/O pin of the single chip microcomputer, and the output pin of the infrared transceiver module is connected with 3.3v power supply voltage through a pull-up resistor R1.
Preferably, the single chip microcomputer is a PIC12F1822 series.
The utility model discloses an in the application, L ED lamp pearl of different colour temperatures is the reverse multiunit series connection after parallelly connected, when inserting the power, the L ED lamp pearl that all has a plurality of the same colour temperatures at any moment of positive and negative half week is bright, make people's eye feel not twinkling, only use two way circuits to control the adjustment colour temperature, reduce the wiring, reduce the wire cost, the PWM pulse wave signal of singlechip output gets into L ED drive circuit and exports for H bridge drive circuit after the switch selection, the break-make of a certain way of control H bridge drive circuit, thereby realize the selection to different colour temperature L ED lamp pearls, and can carry out remote control through infrared transceiver module, and it is convenient to adjust.
Finally, it should be noted that: the above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, and the appended claims are intended to cover such modifications and equivalents as fall within the spirit and scope of the invention.
Claims (8)
1. A novel color temperature adjustable controller is characterized by comprising a single chip microcomputer, L ED lamp belts, two groups of L ED driving circuits and an H-bridge driving circuit, wherein two I/O interfaces of the single chip microcomputer are connected with the two groups of L ED driving circuits, the H-bridge driving circuit is connected between the two groups of L ED driving circuits, and the H-bridge driving circuit is connected with the L ED lamp belts.
2. The novel adjustable color temperature controller of claim 1, wherein the L ED driving circuit comprises an A-circuit L ED driving circuit and a B-circuit L ED driving circuit, the A-circuit L ED driving circuit comprises a triode Q6, a triode Q3 and a triode Q7, the base of the triode Q6 is connected with a 3.3V power supply through a pull-up resistor R6, the base of the triode Q6 is further connected with a single chip I/O interface through a resistor R11, the emitter is grounded, the collector is connected with a triode Q7 and the base of the triode Q3, a resistor R5 is connected between the base and the collector of the triode Q3, the collector is connected with a 12V power supply, the emitter is connected with the emitter of the triode Q7, the emitter of the triode Q7 is connected with a signal input end of the H-bridge driving circuit through a resistor R7, and the collector of the triode Q7 is grounded.
3. The novel adjustable color temperature controller of claim 2, wherein the B circuit L ED driving circuit is connected to an I/O interface of another single chip microcomputer through a resistor R14, the B circuit L ED driving circuit comprises a transistor Q9, a transistor Q8 and a transistor Q10, the base of the transistor Q9 is connected to the resistor R14, the base of the transistor Q9 is further connected to a 3.3v power supply through a pull-up resistor, the emitter is grounded, the collector is connected to the base of the transistor Q8 and the base of the transistor Q10, the base of the transistor Q8 is connected to the collector through the resistor R12, the collector is connected to the 12v power supply, the emitter is connected to the emitter of the transistor Q10, and the emitter of the transistor Q10 is connected to the other signal input terminal of the H bridge driving circuit and the collector is grounded through the resistor R8.
4. A novel adjustable color temperature controller according to claim 3, characterized in that: the H-bridge driving circuit comprises an MOS tube Q1, an MOS tube Q2, an MOS tube Q5 connected with a pulse signal through a resistor R7, and an MOS tube Q4 connected with the pulse signal through a resistor R8, wherein the source electrode of the MOS tube Q5 is grounded, the drain electrode of the MOS tube Q1 is connected with the drain electrode of the MOS tube Q1, and the drain electrode of the MOS tube Q2 is connected with the gate electrode of the MOS tube Q17; the source electrode of the MOS transistor Q1 is connected with a power supply VCC, and the grid electrode of the MOS transistor Q2 is connected with the drain electrode of the MOS transistor Q16; the source electrode of the MOS tube Q2 is connected with a power VCC, and the drain electrode is connected with the drain electrode of the MOS tube Q4; the source of the MOS transistor Q4 is grounded.
5. The novel adjustable color temperature controller according to claim 4, wherein the L ED lamp strip is formed by connecting L ED lamp beads in series after being reversely connected in parallel, the common end of the drain of the MOS tube Q5 and the drain of the MOS tube Q1 is connected with one end of the L ED lamp strip, and the common end of the drain of the MOS tube Q2 and the drain of the MOS tube Q4 is connected with the other end of the L ED lamp strip.
6. The novel adjustable color temperature controller according to claim 5, characterized in that the controller further comprises a power management module, the power management module is connected to a power VCC and outputs a plurality of different voltages to the single chip microcomputer and the L ED driving circuit, the power management module comprises a voltage stabilizing chip U2, a low-dropout voltage chip U3 and a low-dropout voltage chip U4, the input end of the voltage stabilizing chip U2 is connected to the power VCC, the output end of the voltage stabilizing chip U2 is connected to the triode Q8 and the triode Q3, the input end of the low-dropout voltage chip U3 is connected to the output end of the voltage stabilizing chip U2, the output end of the low-dropout voltage chip U4 is connected to the input end of the low-dropout voltage chip U4, the output end of the low-dropout voltage chip U4 is connected to the power pin of the single chip microcomputer, the pull-up resistor R13 and the pull-up resistor R6.
7. The novel adjustable color temperature controller of claim 6, wherein: a diode D1 is connected between the power supply VCC and the input end of the voltage stabilizing chip U2 and is used for protecting the voltage stabilizing chip U2; a power supply protection circuit is connected between the positive electrode and the negative electrode of the power supply, the power supply protection circuit comprises an MOS tube Q11 and a diode D3, the drain electrode of the MOS tube Q11 is connected with the negative end of the power supply, the source electrode is grounded, and the grid electrode is connected with the positive electrode of the power supply through an RC filter circuit; the diode D3 is reversely connected between the gate and the source of the MOS tube.
8. The novel adjustable color temperature controller of claim 6, wherein: the controller also comprises an infrared transceiving module, a power supply pin of the infrared transceiving module is connected with the output end of the low-dropout voltage chip U4, a grounding pin is grounded, an output pin is connected with an I/O pin of the single chip microcomputer, and the output pin is also connected with 3.3v power supply voltage through a pull-up resistor R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922422787.1U CN211019331U (en) | 2019-12-26 | 2019-12-26 | Novel adjustable color temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922422787.1U CN211019331U (en) | 2019-12-26 | 2019-12-26 | Novel adjustable color temperature controller |
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| Publication Number | Publication Date |
|---|---|
| CN211019331U true CN211019331U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922422787.1U Expired - Fee Related CN211019331U (en) | 2019-12-26 | 2019-12-26 | Novel adjustable color temperature controller |
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| Country | Link |
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| CN (1) | CN211019331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383984A (en) * | 2020-10-22 | 2021-02-19 | 宁波鑫合瑞电子有限公司 | USB-powered color temperature adjusting lamp strip control method and controller |
| CN112469161A (en) * | 2020-10-22 | 2021-03-09 | 宁波鑫合瑞电子有限公司 | USB-powered combined lamp strip control method and controller |
-
2019
- 2019-12-26 CN CN201922422787.1U patent/CN211019331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383984A (en) * | 2020-10-22 | 2021-02-19 | 宁波鑫合瑞电子有限公司 | USB-powered color temperature adjusting lamp strip control method and controller |
| CN112469161A (en) * | 2020-10-22 | 2021-03-09 | 宁波鑫合瑞电子有限公司 | USB-powered combined lamp strip control method and controller |
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