CN213638294U - LED lamp control circuit - Google Patents
LED lamp control circuit Download PDFInfo
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- CN213638294U CN213638294U CN202022929827.4U CN202022929827U CN213638294U CN 213638294 U CN213638294 U CN 213638294U CN 202022929827 U CN202022929827 U CN 202022929827U CN 213638294 U CN213638294 U CN 213638294U
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- 238000004146 energy storage Methods 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 28
- 230000000087 stabilizing effect Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the LED lamp technique and specifically relates to a LED lamp control circuit, including power, control chip, button, charging circuit, output control circuit one and output control circuit two, the utility model discloses can realize the sequence control of two LED lamps, and reduce the operation regulation.
Description
Technical Field
The utility model relates to a LED lamp technical field, specific field is a LED lamp control circuit.
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 LED lamp control circuit.
In order to achieve the above object, the utility model provides a following technical scheme: an LED lamp control circuit comprises a power supply, a control chip, a key, a charging circuit, a first output control circuit and a second output control circuit,
the power supply is an energy storage battery;
one end of the key is connected with a first resistor, the other end of the key is grounded, one end of the first resistor, which is far away from the key, is connected with the positive electrode end of the energy storage battery, and two input ends of the control chip are respectively connected with two ends of the first resistor;
the charging circuit comprises a DC charging port, a current adjusting circuit and a voltage stabilizing circuit, wherein the DC charging port is used for being connected with an external direct current charger, the positive end of the DC charging port is connected with the positive end of the energy storage battery after being sequentially connected with the current adjusting circuit and the voltage stabilizing circuit, and the negative end of the DC charging port is connected with the negative end of the energy storage battery;
the control circuit I comprises a first triode, a second resistor and a first output port, wherein an output end of the control chip is connected with a base electrode of the first triode after being connected with the second resistor in series, one end of the first output port is connected with a positive electrode end of the energy storage battery, the other end of the first output port is connected with a collector electrode of the first triode, and an emitting electrode of the first triode is grounded;
the control circuit II comprises a first MOS tube, a third resistor and a second output port, an output end of the control chip is connected with a grid electrode of the first MOS tube after being connected with the third resistor in series, one end of the second output port is connected with the positive end of the energy storage battery, the other end of the second output port is connected with a source electrode of the first MOS tube, and a drain electrode of the first MOS tube is grounded.
Preferably, the current adjusting circuit comprises a diode, a resistor four, a resistor five, an MOS tube two, an MOS tube three and a triode two, wherein the positive end of the diode is connected with the positive end of the DC charging port, the negative end of the diode is connected with the positive end of the energy storage battery after being connected with the resistor four in series, the source electrode of the MOS tube two and the source electrode of the MOS tube three are both connected with the negative end of the diode, the drain electrode of the MOS tube two and the drain electrode of the MOS tube three are both connected with the positive end of the energy storage battery, one end of the resistor five is connected with the negative end of the diode, the other end of the resistor five is respectively connected with the grid electrode of the MOS tube two and the grid electrode of the MOS tube three, the collector electrode of the triode two is connected with the grid electrode of the MOS tube two, the base electrode of the.
Preferably, the voltage stabilizing circuit comprises a first capacitor, a second capacitor and a voltage stabilizing diode, the first capacitor is connected with the second capacitor in parallel, one end of the first capacitor is connected with the drain electrode of the second MOS transistor and the cathode end of the voltage stabilizing diode respectively, the other end of the first capacitor is grounded, and the anode end of the voltage stabilizing diode is grounded.
Preferably, the lamp control circuit further comprises an indicator light circuit, the indicator light circuit comprises a red LED, a yellow LED and a green LED, three output ends of the control chip are respectively connected with positive terminals of the red LED, the yellow LED and the green LED, and negative terminals of the red LED, the yellow LED and the green LED are grounded.
Compared with the prior art, the beneficial effects of the utility model are that: the setting of two paths of output of the LED lamps is realized through a key, a control chip and two control circuits, a touch switch turns on a first LED illuminating lamp for the first time, turns on another LED illuminating lamp for the second time, turns off the two LED illuminating lamps for the third time, and circulates in sequence;
through the arrangement of the current adjusting circuit, the charging efficiency of the energy storage battery can be accelerated for large-current charging, and small-current charging is realized in the later charging period;
through the setting of voltage stabilizing circuit, can stabilize charging voltage, improve energy storage battery's charging voltage stability.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 1. an energy storage battery; 2. a control chip; 3. pressing a key; 4. a first resistor; 5. a DC charging port; 6. a diode; 7. a fourth resistor; 8. resistance five; 9. a MOS tube II; 10. a MOS tube III; 11. a triode II; 12. a first capacitor; 13. a second capacitor; 14. a voltage regulator diode; 15. a triode I; 16. a second resistor; 17. an output port I; 18. a MOS tube I; 19. a third resistor; 20. an output port II; 21. a red LED; 22. a yellow LED; 23. and a green LED.
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 LED lamp control circuit comprises a power supply, a control chip 2, a key 3, a charging circuit, a first output control circuit and a second output control circuit,
the power supply is an energy storage battery 1, and the energy storage battery is a lithium ion rechargeable battery;
one end of the key 3 is connected with a first resistor 4, the other end of the key 3 is grounded, one end, far away from the key 3, of the first resistor 4 is connected with the positive end of the energy storage battery 1, two input ends of the control chip 2 are respectively connected with two ends of the first resistor 4, two ends of the key are connected with a capacitor C4 in parallel, one end of the capacitor C4 is connected with the positive end of the energy storage battery, and the other end of the capacitor C4 is grounded;
the first control circuit comprises a first triode 15, a second resistor 16 and a first output port 17, an output end of the control chip 2 is connected with a base electrode of the first triode 15 after being connected with the second resistor 16 in series, one end of the first output port 17 is connected with a positive electrode end of the energy storage battery 1, the other end of the first output port 17 is connected with a collector electrode of the first triode 15, and an emitting electrode of the first triode 15 is grounded;
the second control circuit comprises a first MOS transistor 18, a third resistor 19 and a second output port 20, an output end of the control chip 2 is connected with a grid electrode of the first MOS transistor 18 after being connected with the third resistor 19 in series, one end of the second output port 20 is connected with the positive end of the energy storage battery 1, the other end of the second output port 20 is connected with a source electrode of the first MOS transistor 18, a drain electrode of the first MOS transistor 18 is grounded, and a resistor R12 is further connected to the third resistor 19 in parallel.
The charging circuit comprises a DC charging port 5, a current adjusting circuit and a voltage stabilizing circuit, wherein the DC charging port 5 is used for being connected with an external direct current charger, the positive end of the DC charging port 5 is connected with the positive end of the energy storage battery 1 after being sequentially connected with the current adjusting circuit and the voltage stabilizing circuit, and the negative end of the DC charging port 5 is connected with the negative end of the energy storage battery 1;
the current adjusting circuit comprises a diode 6, a resistor four 7 and a resistor five 8, the power supply circuit comprises a second MOS tube 9, a third MOS tube 10 and a second triode 11, wherein the positive end of a diode 6 is connected with the positive end of a DC charging port 5, the negative end of the diode 6 is connected with the positive end of an energy storage battery 1 after being connected with a fourth resistor 7 in series, the source electrode of the second MOS tube 9 and the source electrode of the third MOS tube 10 are both connected with the negative end of the diode 6, the drain electrode of the second MOS tube 9 and the drain electrode of the third MOS tube 10 are both connected with the positive end of the energy storage battery 1, one end of a fifth resistor 8 is connected with the negative end of the diode 6, the other end of the fifth resistor 8 is respectively connected with the grid electrode of the second MOS tube 9 and the grid electrode of the third MOS tube 10, the collector electrode of the second triode 11 is connected with the grid electrode of the second MOS tube 9 through a resistor R6, the base electrode of the second triode 11 is.
The voltage stabilizing circuit comprises a first capacitor 12, a second capacitor 13 and a voltage stabilizing diode 14, wherein the first capacitor 12 is connected with the second capacitor 13 in parallel, one end of the first capacitor 12 is connected with the drain electrode of the second MOS transistor 9 and the negative electrode end of the voltage stabilizing diode 14 respectively, the other end of the first capacitor 12 is grounded, and the positive electrode end of the voltage stabilizing diode 14 is grounded.
In order to realize voltage detection of the end of the energy storage battery, a resistor R8 and a resistor R5 are connected in series with the positive end of the energy storage battery, and then connected with one input end of the control chip, and meanwhile, a capacitor C1 is connected in parallel with the resistor R5, a lead is led out from a connection point between the resistor R8 and the resistor R5 and connected with the other input end of the control chip, the negative end of the energy storage battery is connected in series with the resistor R4 and then connected with one input end of the control chip, and the input end is connected in series with the capacitor C3 and then;
in order to realize the voltage detection of the charging end, a resistor R21 and a resistor R22 are connected in series between the charging ports, a connecting point between the resistor R21 and the resistor R22 is led out of a lead to be connected to one input end of the control chip, a capacitor C8 is connected to the input end and then grounded, then the positive electrode end series resistor R18 and the resistor R9 of the charging ports are connected to one input end of the control chip, meanwhile, the positive electrode end connecting point of the resistor R18 and the charging port is connected in series with the resistor R10 and then grounded, and one end of the capacitor R18, which is far away from the positive electrode end of the charging port, is connected in series with the capacitor C5 and then;
the LED lamp control circuit also comprises an indicating lamp circuit, the indicating lamp circuit comprises a red LED21, a yellow LED22 and a green LED23, three output ends of the control chip 2 are respectively connected with resistors R3, R17 and R16 in series and then connected with positive terminals of the red LED21, the yellow LED22 and the green LED23, and negative terminals of the red LED21, the yellow LED22 and the green LED23 are grounded.
Through this technical scheme, a lighting LED lamp is connected to delivery outlet one 17, and another lighting LED lamp is connected to delivery outlet two 20.
In the use process, the key 3 is a point touch switch, the first touch switch is used for triggering the switch for the first time, the control chip 2 outputs a signal to the first triode 15 to enable the first triode 15 to be conducted, the first output port 17 outputs a power supply to light the LED lamp connected to the first output port 17, the second touch switch is used for triggering the second time, the control chip 2 outputs a signal to the first triode 15, the other output port outputs a signal to the first MOS tube 18 to enable the first MOS tube 18 to be conducted, the second output port 20 outputs a power supply to light the LED lamp connected to the second output port 20, the third touch switch is used for controlling the chip 2 to cut off the signal output of the first triode 15 and the first MOS tube 18 to enable the two LED lamps to be turned off;
when charging, the external charger is connected to the DC charging port 5, the external DC power supply charges the energy storage battery 1, the control chip 2 detects the voltage of the charging end and the voltage of the end of the energy storage battery 1 to judge whether large current charging or small current charging is adopted, when the voltage of the charging end is higher than a preset reference value of the voltage of the end of the energy storage battery 1, the control chip 2 outputs a signal to the second triode 11 to conduct the second triode 11, the second MOS tube 9 and the third MOS tube 10 are both conducted, the large current output of the charging end is used for rapidly charging the energy storage battery 1, after charging for a certain time, when the voltage ratio of the charging end and the end of the energy storage battery 1 is not large, the control chip 2 controls the second triode 11 to be disconnected, the second MOS tube 9 and the third MOS tube 10 are not conducted, and the charging current is used for small current charging through the fourth resistor 7, so that the charging efficiency of the, the reduction of the service life of the battery caused by the large-current overcharge of the energy storage battery 1 in a full-charge state can be avoided;
in the use process, when the electric quantity of the energy storage battery 1 is too low, the control chip 2 outputs a power supply to drive the yellow LED22 to light, drives the red LED21 to light during charging, and drives the green LED23 to light after full charging.
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 (4)
1. An LED lamp control circuit which characterized in that: comprises a power supply, a control chip, a key, a charging circuit, a first output control circuit and a second output control circuit,
the power supply is an energy storage battery;
one end of the key is connected with a first resistor, the other end of the key is grounded, one end of the first resistor, which is far away from the key, is connected with the positive electrode end of the energy storage battery, and two input ends of the control chip are respectively connected with two ends of the first resistor;
the charging circuit comprises a DC charging port, a current adjusting circuit and a voltage stabilizing circuit, wherein the DC charging port is used for being connected with an external direct current charger, the positive end of the DC charging port is connected with the positive end of the energy storage battery after being sequentially connected with the current adjusting circuit and the voltage stabilizing circuit, and the negative end of the DC charging port is connected with the negative end of the energy storage battery;
the control circuit I comprises a first triode, a second resistor and a first output port, wherein an output end of the control chip is connected with a base electrode of the first triode after being connected with the second resistor in series, one end of the first output port is connected with a positive electrode end of the energy storage battery, the other end of the first output port is connected with a collector electrode of the first triode, and an emitting electrode of the first triode is grounded;
the control circuit II comprises a first MOS tube, a third resistor and a second output port, an output end of the control chip is connected with a grid electrode of the first MOS tube after being connected with the third resistor in series, one end of the second output port is connected with the positive end of the energy storage battery, the other end of the second output port is connected with a source electrode of the first MOS tube, and a drain electrode of the first MOS tube is grounded.
2. An LED lamp control circuit according to claim 1, wherein: the current adjusting circuit comprises a diode, a resistor IV, a resistor V, an MOS tube II, an MOS tube III and a triode II, wherein the positive end of the diode is connected with the positive end of a DC charging port, the negative end of the diode is connected with the positive end of the energy storage battery after being connected with the resistor IV in series, the source electrode of the MOS tube II and the source electrode of the MOS tube III are both connected with the negative end of the diode, the drain electrode of the MOS tube II and the drain electrode of the MOS tube III are both connected with the positive end of the energy storage battery, one end of the resistor V is connected with the negative end of the diode, the other end of the resistor V is respectively connected with the grid electrode of the MOS tube II and the grid electrode of the MOS tube III, the collector electrode of the triode II is connected with the grid electrode of the MOS tube II, the base electrode of.
3. An LED lamp control circuit according to claim 2, wherein: the voltage stabilizing circuit comprises a first capacitor, a second capacitor and a voltage stabilizing diode, wherein the first capacitor is connected with the second capacitor in parallel, one end of the first capacitor is connected with a drain electrode of the second MOS transistor and a cathode end of the voltage stabilizing diode respectively, the other end of the first capacitor is grounded, and an anode end of the voltage stabilizing diode is grounded.
4. An LED lamp control circuit according to claim 1, wherein: the LED lamp is characterized by further comprising an indicating lamp circuit, wherein the indicating lamp circuit comprises a red LED, a yellow LED and a green LED, three output ends of the control chip are respectively connected with positive terminals of the red LED, the yellow LED and the green LED, and negative terminals of the red LED, the yellow LED and the green LED are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022929827.4U CN213638294U (en) | 2020-12-09 | 2020-12-09 | LED lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022929827.4U CN213638294U (en) | 2020-12-09 | 2020-12-09 | LED lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213638294U true CN213638294U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022929827.4U Expired - Fee Related CN213638294U (en) | 2020-12-09 | 2020-12-09 | LED lamp control circuit |
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| Country | Link |
|---|---|
| CN (1) | CN213638294U (en) |
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2020
- 2020-12-09 CN CN202022929827.4U patent/CN213638294U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 |