CN213638285U - Adjustable LED lamp control circuit - Google Patents
Adjustable LED lamp control circuit Download PDFInfo
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- CN213638285U CN213638285U CN202022924955.XU CN202022924955U CN213638285U CN 213638285 U CN213638285 U CN 213638285U CN 202022924955 U CN202022924955 U CN 202022924955U CN 213638285 U CN213638285 U CN 213638285U
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Abstract
The utility model belongs to the technical field of the LED lamp control technique and specifically relates to a LED lamp control circuit with adjustable includes control chip, charging circuit, energy storage battery, steady voltage chip, PWM control circuit, button, luminance pilot lamp and main LED lamp, charging circuit is including charging control circuit and detection circuitry, outside charging source is connected to charging control circuit's input, and energy storage battery is connected to the output, and detection circuitry's detection input is connected on charging control circuit and energy storage battery, and detection output end connection control chip's input, energy storage battery's power output end connect steady voltage chip's input, and steady voltage chip's output is used for supplying power to control chip and PWM control circuit, the utility model discloses can realize the bright control and the illumination brightness control of going out of single button.
Description
Technical Field
The utility model relates to a LED lamp control art field, specific field is an LED lamp control circuit with adjustable.
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 present LED lamp can't guarantee to use the back illumination intensity for a long time stable, uses a period after, can make illumination intensity weaken gradually because of the reduction of battery power, realizes comparatively inconveniently to the light brightness control function in the use simultaneously.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a LED lamp control circuit with adjustable.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable LED lamp control circuit comprises a control chip, a charging circuit, an energy storage battery, a voltage stabilization chip, a PWM control circuit, a key, a brightness indicator lamp and a main LED lamp, wherein the charging circuit comprises a charging control circuit and a detection circuit, the input end of the charging control circuit is connected with an external charging power supply, the output end of the charging control circuit is connected with the energy storage battery, the detection input end of the detection circuit is connected with the charging control circuit and the energy storage battery, the detection output end of the detection circuit is connected with the input end of the control chip, the power output end of the energy storage battery is connected with the input end of the voltage stabilization chip, the output end of the voltage stabilization chip is used for supplying power to the control chip and the PWM control circuit, the key is connected with the input end of the control chip, the PWM signal output end of the control chip is connected with the input end of the PWM control, the 4 patch LEDs are respectively and correspondingly connected with the 4 output ends of the control chip.
Preferably, the charging control circuit comprises a charging port, a diode group, a first MOS (metal oxide semiconductor) tube and a first triode, the diode group comprises a first diode and a second diode which are connected in series, a third diode is connected in parallel on the first diode, a fourth diode is connected in parallel on the second diode, all the diodes are connected in the same direction, the charging port is connected with the positive end of the diode group, the negative end of the diode group is connected with the source electrode of the first MOS tube, the drain electrode of the first MOS tube is connected with the positive end of the energy storage battery, the source electrode of the first MOS tube is connected with the grid electrode in series, a step-down resistor is connected in series between the source electrode and the grid electrode, the collector electrode of the first triode is connected with the grid electrode of the first MOS tube, the emitter electrode.
Preferably, the PWM control circuit includes a second triode, a PWM control chip and a second MOS tube, the positive electrode of the main LED lamp is connected to the positive electrode of the energy storage battery, the negative electrode of the main LED lamp is connected to the source electrode of the second MOS tube, the drain electrode of the second MOS tube is grounded, the PWM signal output end of the PWM control chip is connected to the gate electrode of the second MOS tube, the collector electrode of the second triode is connected to the power output end of the voltage stabilizing chip, the emitter electrode of the second triode is connected to the power supply end of the PWM control chip, the base electrode of the second triode is connected to the output end of the control chip, and the output end of the control chip.
Preferably, the detection circuit comprises a charging circuit detection module and a battery circuit detection module,
the charging circuit detection module comprises a first resistor, a second resistor, a third resistor and a fourth resistor, wherein one end of the first resistor is connected with a connection point of the first diode and the second diode, the other end of the first resistor is connected with the second resistor in series and then grounded, the connection point of the first resistor and the second resistor is connected with one input end of the control chip,
one end of the third resistor is connected with a connection point of the first diode and the second diode, the other end of the third resistor is connected with the fourth resistor in series and then grounded, and the connection point of the third resistor and the fourth resistor is connected with one input end of the control chip;
the battery circuit detection module comprises a fifth resistor and a sixth resistor, one end of the fifth resistor is connected with the positive electrode end of the energy storage battery, the other end of the fifth resistor is connected with an input end of the control chip after being connected with the sixth resistor in series, and a connection point of the fifth resistor and the sixth resistor is connected with an input end of the control chip.
Preferably, the key is connected in parallel with a spare key.
Preferably, a capacitor is connected in parallel to the key.
Preferably, a voltage stabilizing inductor is connected in series between the main LED lamp and the source electrode of the second MOS transistor.
Compared with the prior art, the beneficial effects of the utility model are that: the LED lamp is controlled through a key, and the key is matched with a control chip to realize on-off control and brightness adjustment of the main LED lamp;
the on-off operation of the main LED lamp and the PWM signal control can be realized through the setting of the PWM control circuit, the brightness adjustment of the main LED lamp is realized, and the stable work of the main LED lamp can be realized through the setting of the voltage stabilizing inductor;
through the setting of luminance pilot lamp, 4 paster LEDs different quantity that can realize main LED lamp luminance difference luminance pilot lamp are lighted, realize audio-visual luminance degree of expressing main LED lamp.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 1. a control chip; 2. a voltage stabilization chip; 3. pressing a key; 4. a brightness indicator light; 5. a main LED lamp; 6. a charging port; 7. a diode group; 8. a MOS tube I; 9. a triode I; 10. a voltage reduction resistor; 11. a triode II; 12. a PWM control chip; 13. a MOS tube II; 14. a first resistor; 15. a second resistor; 16. a third resistor; 17. a fourth resistor; 18. resistance five; 19. a sixth resistor; 20. a standby key; 21. and (4) a capacitor.
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: an adjustable LED lamp control circuit comprises a control chip, a charging circuit, an energy storage battery, a voltage stabilization chip, a PWM control circuit, a key, a brightness indicator lamp and a main LED lamp, wherein the charging circuit comprises a charging control circuit and a detection circuit, the input end of the charging control circuit is connected with an external charging power supply, the output end of the charging control circuit is connected with the energy storage battery, the detection input end of the detection circuit is connected with the charging control circuit and the energy storage battery, the detection output end of the detection circuit is connected with the input end of the control chip, the power output end of the energy storage battery is connected with the input end of the voltage stabilization chip, the output end of the voltage stabilization chip is used for supplying power to the control chip and the PWM control circuit, the key is connected with the input end of the control chip, the PWM signal output end of the control chip is connected with the input end of the PWM control, the 4 patch LEDs are respectively and correspondingly connected with the 4 output ends of the control chip.
The charging control circuit comprises a charging port, a diode group, a first MOS (metal oxide semiconductor) tube and a first triode, wherein the diode group comprises a first diode and a second diode which are connected in series, a third diode is connected in parallel on the first diode, a fourth diode is connected in parallel on the second diode, all the diodes are connected in the same direction, the charging port is connected with the positive end of the diode group, the negative end of the diode group is connected with the source electrode of the first MOS tube, the drain electrode of the first MOS tube is connected with the positive end of the energy storage battery, the source electrode of the first MOS tube is connected with the grid electrode in series, a voltage reduction resistor is connected in series between the source electrode and the grid electrode, the collector electrode of the first triode is connected with the grid electrode of the first MOS tube, the emitting.
The PWM control circuit comprises a second triode, a PWM control chip and a second MOS tube, the positive electrode of the main LED lamp is connected with the positive electrode of the energy storage battery, the negative electrode of the main LED lamp is connected with the source electrode of the second MOS tube, the drain electrode of the second MOS tube is grounded, the PWM signal output end of the PWM control chip is connected with the grid electrode of the second MOS tube, the collector electrode of the second triode is connected with the power output end of the voltage stabilizing chip, the emitter electrode of the second triode is connected with the power supply end of the PWM control chip, the base electrode of the second triode is connected with the output end of the control chip, and the output end of the control. And a voltage stabilizing inductor is connected in series between the main LED lamp and the source electrode of the MOS tube II. And the grid electrode of the MOS tube II is also connected with the feedback end of the PWM control chip, so that signal feedback is realized, and the signal output stability of the PWM control chip is improved.
The detection circuit comprises a charging circuit detection module and a battery circuit detection module,
the charging circuit detection module comprises a first resistor, a second resistor, a third resistor and a fourth resistor, wherein one end of the first resistor is connected with a connection point of the first diode and the second diode, the other end of the first resistor is connected with the second resistor in series and then grounded, the connection point of the first resistor and the second resistor is connected with one input end of the control chip,
one end of the third resistor is connected with a connection point of the first diode and the second diode, the other end of the third resistor is connected with the fourth resistor in series and then grounded, and the connection point of the third resistor and the fourth resistor is connected with one input end of the control chip;
the battery circuit detection module comprises a fifth resistor and a sixth resistor, one end of the fifth resistor is connected with the positive electrode end of the energy storage battery, the other end of the fifth resistor is connected with an input end of the control chip after being connected with the sixth resistor in series, and a connection point of the fifth resistor and the sixth resistor is connected with an input end of the control chip.
The keys are connected with spare keys in parallel, and the keys are connected with capacitors in parallel.
According to the technical scheme, a key clicking mode and a key long-pressing mode are set in the control chip, the key clicking mode is set as a main LED lamp on-off cycle, and the key long-pressing mode is set as a main LED lamp brightness continuous brightening;
in the use, press the button earlier and light main LED lamp, then press the button through the length, realize the adjustting of the lighteness of main LED lamp to bright more at main LED lamp luminance, 4 paster LED lamps on the light indicator light are lighted the quantity and are increased in proper order, and when main LED lamp reached brightest, 4 paster LED lamps were whole to be lighted, then press the button here, and main LED lamp extinguishes.
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 LED lamp control circuit with adjustable which characterized in that: comprises a control chip, a charging circuit, an energy storage battery, a voltage stabilizing chip, a PWM control circuit, a key, a brightness indicator lamp and a main LED lamp, the charging circuit is including charge control circuit and detection circuitry, external charging source is connected to charge control circuit's input, energy storage battery is connected to the output, detection circuitry's detection input is connected on charge control circuit and energy storage battery, detection output connection control chip's input, energy storage battery's power output end connects the input of steady voltage chip, the output of steady voltage chip is used for supplying power to control chip and PWM control circuit, the button is connected with control chip's input, control chip's PWM signal output part is connected with PWM control circuit's input, main LED lamp is connected to PWM control circuit's output, the luminance pilot lamp is including 4 paster LED, 4 paster LED corresponds with last 4 outputs of control chip respectively and is connected.
2. The adjustable LED lamp control circuit according to claim 1, wherein: the charging control circuit comprises a charging port, a diode group, a first MOS (metal oxide semiconductor) tube and a first triode, wherein the diode group comprises a first diode and a second diode which are connected in series, a third diode is connected in parallel on the first diode, a fourth diode is connected in parallel on the second diode, all the diodes are connected in the same direction, the charging port is connected with the positive end of the diode group, the negative end of the diode group is connected with the source electrode of the first MOS tube, the drain electrode of the first MOS tube is connected with the positive end of the energy storage battery, the source electrode of the first MOS tube is connected with the grid electrode in series, a voltage reduction resistor is connected in series between the source electrode and the grid electrode, the collector electrode of the first triode is connected with the grid electrode of the first MOS tube, the emitting.
3. The adjustable LED lamp control circuit according to claim 1, wherein: the PWM control circuit comprises a second triode, a PWM control chip and a second MOS tube, the positive electrode of the main LED lamp is connected with the positive electrode of the energy storage battery, the negative electrode of the main LED lamp is connected with the source electrode of the second MOS tube, the drain electrode of the second MOS tube is grounded, the PWM signal output end of the PWM control chip is connected with the grid electrode of the second MOS tube, the collector electrode of the second triode is connected with the power output end of the voltage stabilizing chip, the emitter electrode of the second triode is connected with the power supply end of the PWM control chip, the base electrode of the second triode is connected with the output end of the control chip, and the output end of the control.
4. The adjustable LED lamp control circuit according to claim 2, wherein: the detection circuit comprises a charging circuit detection module and a battery circuit detection module,
the charging circuit detection module comprises a first resistor, a second resistor, a third resistor and a fourth resistor, wherein one end of the first resistor is connected with a connection point of the first diode and the second diode, the other end of the first resistor is connected with the second resistor in series and then grounded, the connection point of the first resistor and the second resistor is connected with one input end of the control chip,
one end of the third resistor is connected with a connection point of the first diode and the second diode, the other end of the third resistor is connected with the fourth resistor in series and then grounded, and the connection point of the third resistor and the fourth resistor is connected with one input end of the control chip;
the battery circuit detection module comprises a fifth resistor and a sixth resistor, one end of the fifth resistor is connected with the positive electrode end of the energy storage battery, the other end of the fifth resistor is connected with an input end of the control chip after being connected with the sixth resistor in series, and a connection point of the fifth resistor and the sixth resistor is connected with an input end of the control chip.
5. The adjustable LED lamp control circuit according to claim 1, wherein: the keys are connected in parallel with spare keys.
6. The adjustable LED lamp control circuit according to claim 5, wherein: and the key is connected with a capacitor in parallel.
7. The adjustable LED lamp control circuit according to claim 3, wherein: and a voltage stabilizing inductor is connected in series between the main LED lamp and the source electrode of the MOS tube II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924955.XU CN213638285U (en) | 2020-12-09 | 2020-12-09 | Adjustable LED lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924955.XU CN213638285U (en) | 2020-12-09 | 2020-12-09 | Adjustable LED lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213638285U true CN213638285U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022924955.XU Active CN213638285U (en) | 2020-12-09 | 2020-12-09 | Adjustable LED lamp control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213638285U (en) |
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2020
- 2020-12-09 CN CN202022924955.XU patent/CN213638285U/en active Active
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