CN213638297U - Control circuit that many LED lamps were adjusted - Google Patents
Control circuit that many LED lamps were adjusted Download PDFInfo
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- CN213638297U CN213638297U CN202022924971.9U CN202022924971U CN213638297U CN 213638297 U CN213638297 U CN 213638297U CN 202022924971 U CN202022924971 U CN 202022924971U CN 213638297 U CN213638297 U CN 213638297U
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- nmos tube
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Abstract
The utility model belongs to the technical field of the LED lamp control technique and specifically relates to a control circuit that many LED lamps were adjusted, including power input port, the power charging chip, the charge indicator, energy storage battery, the button, the treater, LED lamp one, LED lamp two and LED lamp control circuit, power input port connection power charging chip's input, energy storage battery's power end is connected to power charging chip's output, the charge indicator is connected with power charging chip's the feedback end that charges, the button is connected with the output of treater, the output of treater is connected with LED lamp control circuit's control end, LED lamp one and LED lamp two are connected with LED lamp control circuit's control end respectively, the utility model discloses can realize a plurality of LED lamp work of button control to realize the illumination luminance of LED lamp.
Description
Technical Field
The utility model relates to a LED lamp control technical field, specific field is a control circuit that many LED lamps were adjusted.
Background
The LED lamp is the lighting apparatus of present mainstream, mainly adopts the physics switch circuit to realize to the control of LED lamp, but when carrying out hierarchical control to a plurality of LED lamps, need set for a plurality of buttons for button is too much on the LED light, causes the product to go up the button and takes the position, and uses inconveniently.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a control circuit that many LED lamps were adjusted.
In order to achieve the above object, the utility model provides a following technical scheme: a control circuit for adjusting multiple LED lamps comprises a power supply input port, a power supply charging chip, a charging indicator lamp, an energy storage battery, keys, a processor, a first LED lamp, a second LED lamp and an LED lamp control circuit, wherein the power supply input port is connected with the input end of the power supply charging chip, the output end of the power supply charging chip is connected with the power end of the energy storage battery, the charging indicator lamp is connected with the charging feedback end of the power supply charging chip, the keys are connected with the output end of the processor, the output end of the processor is connected with the control end of the LED lamp control circuit, the first LED lamp and the second LED lamp are respectively connected with the control end of the LED lamp control circuit, the energy storage battery is used for supplying power to the keys, the processor, the first LED lamp, the second LED lamp and the LED lamp control circuit, the LED lamp control circuit comprises a PWM (pulse width modulation) driving circuit and an NMOS (N-channel metal oxide semiconductor) tube) control circuit, the input end of the NMOS tube control, and the output end of the NMOS tube is respectively connected with the first LED lamp and the second LED lamp.
Preferably, the PWM driving circuit includes a field effect transistor, a PWM driver and a triode,
the source electrode of the field effect tube is connected with the positive electrode end of the energy storage battery, the drain electrode is connected with the power supply input end of the PWM driver, the grid electrode is connected with the power supply control output end of the processor,
the collector of the triode is connected with the power input end of the PWM driver, the emitter is connected with the PWM signal receiving end of the PWM driver, and the base is connected with the PWM signal output end of the processor.
Preferably, the NMOS tube control circuit comprises an NMOS tube I, an NMOS tube II, an NMOS tube III, an NMOS tube IV, an NMOS tube V and an LED lamp interface, the LED lamp interface is a three-port interface,
the middle port of the LED lamp interface is connected with the positive terminal of the energy storage battery, the positive terminals of the LED lamp I and the LED lamp II are both connected with the middle port of the LED lamp interface, the negative terminal of the LED lamp I is connected with the left port of the LED lamp interface, the negative terminal of the LED lamp II is connected with the right port of the LED lamp interface,
the source electrode of the NMOS tube I is connected with the left port of the LED lamp interface, the grid electrode is connected with one output end of the processor, the drain electrode is connected with the source electrode of the NMOS tube II,
the grid electrode of the NMOS tube II is connected with the PWM driving end of the PWM driver, the drain electrode is grounded,
the source electrode of the NMOS tube III is connected with the right port of the LED lamp interface, the grid electrode is connected with one output end of the processor, the drain electrode is connected with the source electrode of the NMOS tube V,
the grid electrode of the NMOS tube five is connected with the PWM driving end of the PWM driver, the drain electrode is grounded,
the NMOS tube III is connected in parallel with the NMOS tube III, and the same poles of the NMOS tube III and the NMOS tube IV are correspondingly connected.
Preferably, the power charging chip is a TP4056 type constant voltage and constant current charger.
Preferably, the charging indicator lamp comprises a charging LED lamp and a completion LED lamp, the charging LED lamp is connected with the CHRG end of the TP4056 type constant-voltage constant-current charger, and the completion LED lamp is connected with the stbby end of the TP4056 type constant-voltage constant-current charger.
Preferably, the processor is an AT8A513D type single-chip microcomputer processing chip.
Preferably, the PWM driver is a QX7138 LED linear buck constant current driver.
Compared with the prior art, the beneficial effects of the utility model are that: the LED lamp brightness adjusting device has the advantages that the LED lamp brightness adjusting device is simple and convenient to control the on and off of multiple LED lamps through the cooperation of the key and the processor, the brightness of the LED lamps is adjusted through the PWM driving circuit, different modes are set in the processor, the different modes are switched through the pressing times of the key, and the adjustment control of the multiple LED lamps is achieved.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 1. a power supply input port; 2. a power charging chip; 3. charging the LED lamp; 4. completing the LED lamp; 5. a battery interface; 6. pressing a key; 7. a processor; 8. a PWM drive circuit; 9. an NMOS tube control circuit; 10. a field effect transistor; 11. a PWM driver; 12. a triode; 13. a first NMOS transistor; 14. a second NMOS transistor; 15. a NMOS tube III; 16. a NMOS tube IV; 17. a NMOS tube V; 18. an LED lamp interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a control circuit for adjusting multiple LED lamps comprises a power supply input port, a power supply charging chip, a charging indicator lamp, an energy storage battery, keys, a processor, a first LED lamp, a second LED lamp and an LED lamp control circuit, wherein the power supply input port is connected with the input end of the power supply charging chip, the output end of the power supply charging chip is connected with the power end of the energy storage battery, the charging indicator lamp is connected with the charging feedback end of the power supply charging chip, the keys are connected with the output end of the processor, the output end of the processor is connected with the control end of the LED lamp control circuit, the first LED lamp and the second LED lamp are respectively connected with the control end of the LED lamp control circuit, the energy storage battery is used for supplying power to the keys, the processor, the first LED lamp, the second LED lamp and the LED lamp control circuit, the LED lamp control circuit comprises a PWM (pulse width modulation) driving circuit and an NMOS (N-channel metal oxide semiconductor) tube) control circuit, the input end of the NMOS tube control, and the output end of the NMOS tube is respectively connected with the first LED lamp and the second LED lamp.
The energy storage battery is a lithium ion battery, a battery interface is connected to the power charging chip, and the lithium ion battery is inserted into the battery interface.
The PWM driving circuit comprises a field effect transistor, a PWM driver and a triode,
the source electrode of the field effect tube is connected with the positive electrode end of the energy storage battery, the drain electrode is connected with the power supply input end of the PWM driver, the grid electrode is connected with the power supply control output end of the processor,
the collector of the triode is connected with the power input end of the PWM driver, the emitter is connected with the PWM signal receiving end of the PWM driver, and the base is connected with the PWM signal output end of the processor.
The NMOS tube control circuit comprises an NMOS tube I, an NMOS tube II, an NMOS tube III, an NMOS tube IV, an NMOS tube V and an LED lamp interface, wherein the LED lamp interface is a three-port interface,
the middle port of the LED lamp interface is connected with the positive terminal of the energy storage battery, the positive terminals of the LED lamp I and the LED lamp II are both connected with the middle port of the LED lamp interface, the negative terminal of the LED lamp I is connected with the left port of the LED lamp interface, the negative terminal of the LED lamp II is connected with the right port of the LED lamp interface,
the source electrode of the NMOS tube I is connected with the left port of the LED lamp interface, the grid electrode is connected with one output end of the processor, the drain electrode is connected with the source electrode of the NMOS tube II,
the grid electrode of the NMOS tube II is connected with the PWM driving end of the PWM driver, the drain electrode is grounded,
the source electrode of the NMOS tube III is connected with the right port of the LED lamp interface, the grid electrode is connected with one output end of the processor, the drain electrode is connected with the source electrode of the NMOS tube V,
the grid electrode of the NMOS tube five is connected with the PWM driving end of the PWM driver, the drain electrode is grounded,
the NMOS tube III is connected in parallel with the NMOS tube III, and the same poles of the NMOS tube III and the NMOS tube IV are correspondingly connected.
The power supply charging chip is a TP4056 type constant-voltage constant-current charger.
The charging indicator lamp comprises a charging LED lamp and a completion LED lamp, the charging LED lamp is connected with the CHRG end of the TP4056 type constant-voltage constant-current charger, and the completion LED lamp is connected with the STDBY end of the TP4056 type constant-voltage constant-current charger.
The processor is an AT8A513D type single chip microcomputer processing chip.
The PWM driver is a QX7138 type LED linear voltage reduction constant current driver.
According to the technical scheme, three modes are set in the processor, the first LED lamp is a first mode illuminating lamp, the second LED lamp is a second mode illuminating lamp and a third mode illuminating lamp, when the key is pressed once, the first mode is triggered, the processor outputs a power signal and a control signal of the first LED lamp, the first LED lamp works, after the key is pressed again, the second mode is triggered by the processor, the first LED lamp is turned off, the second LED lamp works, the output end of the PWM driver modulates the signal, the second LED lamp emits light for weak light, after the key is continuously pressed, the third mode is triggered by the processor, the second LED lamp enters a strong light emitting mode, the second LED lamp is turned off after the key is pressed for the fourth time, and control and illumination brightness adjustment of the double LED lamps are achieved through the functions and the technical characteristics.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a control circuit that many LED lamps were adjusted which characterized in that: the LED lamp control circuit comprises a PWM driving circuit and an NMOS pipe control circuit, the output end of the processor is connected with the input end of the PWM driving circuit, and the input end of the NMOS pipe control circuit is respectively connected with the output end of the PWM driving circuit and the output end of the processor, and the output end of the NMOS tube is respectively connected with the first LED lamp and the second LED lamp.
2. The multi-LED lamp dimming control circuit of claim 1, wherein: the PWM driving circuit comprises a field effect transistor, a PWM driver and a triode,
the source electrode of the field effect tube is connected with the positive electrode end of the energy storage battery, the drain electrode is connected with the power supply input end of the PWM driver, the grid electrode is connected with the power supply control output end of the processor,
the collector of the triode is connected with the power input end of the PWM driver, the emitter is connected with the PWM signal receiving end of the PWM driver, and the base is connected with the PWM signal output end of the processor.
3. The multi-LED lamp dimming control circuit of claim 2, wherein: the NMOS tube control circuit comprises an NMOS tube I, an NMOS tube II, an NMOS tube III, an NMOS tube IV, an NMOS tube V and an LED lamp interface, wherein the LED lamp interface is a three-port interface,
the middle port of the LED lamp interface is connected with the positive terminal of the energy storage battery, the positive terminals of the LED lamp I and the LED lamp II are both connected with the middle port of the LED lamp interface, the negative terminal of the LED lamp I is connected with the left port of the LED lamp interface, the negative terminal of the LED lamp II is connected with the right port of the LED lamp interface,
the source electrode of the NMOS tube I is connected with the left port of the LED lamp interface, the grid electrode is connected with one output end of the processor, the drain electrode is connected with the source electrode of the NMOS tube II,
the grid electrode of the NMOS tube II is connected with the PWM driving end of the PWM driver, the drain electrode is grounded,
the source electrode of the NMOS tube III is connected with the right port of the LED lamp interface, the grid electrode is connected with one output end of the processor, the drain electrode is connected with the source electrode of the NMOS tube V,
the grid electrode of the NMOS tube five is connected with the PWM driving end of the PWM driver, the drain electrode is grounded,
the NMOS tube III is connected in parallel with the NMOS tube III, and the same poles of the NMOS tube III and the NMOS tube IV are correspondingly connected.
4. The multi-LED lamp dimming control circuit of claim 1, wherein: the power supply charging chip is a TP4056 type constant-voltage constant-current charger.
5. The multi-LED lamp regulation control circuit of claim 4, wherein: the charging indicator lamp comprises a charging LED lamp and a completion LED lamp, the charging LED lamp is connected with the CHRG end of the TP4056 type constant-voltage constant-current charger, and the completion LED lamp is connected with the STDBY end of the TP4056 type constant-voltage constant-current charger.
6. The multi-LED lamp dimming control circuit of claim 1, wherein: the processor is an AT8A513D type single chip microcomputer processing chip.
7. A multi LED lamp dimming control circuit according to claim 2 or 3, wherein: the PWM driver is a QX7138 type LED linear voltage reduction constant current driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924971.9U CN213638297U (en) | 2020-12-09 | 2020-12-09 | Control circuit that many LED lamps were adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924971.9U CN213638297U (en) | 2020-12-09 | 2020-12-09 | Control circuit that many LED lamps were adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213638297U true CN213638297U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022924971.9U Active CN213638297U (en) | 2020-12-09 | 2020-12-09 | Control circuit that many LED lamps were adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213638297U (en) |
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2020
- 2020-12-09 CN CN202022924971.9U patent/CN213638297U/en active Active
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