CN213904098U - Control circuit of multifunctional intelligent cosmetic mirror - Google Patents
Control circuit of multifunctional intelligent cosmetic mirror Download PDFInfo
- Publication number
- CN213904098U CN213904098U CN202022784657.5U CN202022784657U CN213904098U CN 213904098 U CN213904098 U CN 213904098U CN 202022784657 U CN202022784657 U CN 202022784657U CN 213904098 U CN213904098 U CN 213904098U
- Authority
- CN
- China
- Prior art keywords
- circuit
- pin
- mcu
- touch
- bluetooth module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A control circuit of a multifunctional intelligent cosmetic mirror comprises an MCU (microprogrammed control Unit) microprocessor, an LED (light-emitting diode) driving circuit, a state detection circuit, a DC-DC voltage stabilizing circuit, a battery charging management circuit, a Bluetooth module circuit and a touch key detection circuit; the LED driving circuit, the state detection circuit, the DC-DC voltage stabilizing circuit, the battery charging management circuit, the Bluetooth module circuit and the touch key detection circuit are all connected to the MCU microprocessor; the utility model discloses the circuit increases bluetooth module, can realize vanity mirror and mobile communication, and increases the cell-phone on the vanity mirror and place the position, and the detection switch is placed in the hardware increase, can realize and survey skin APP real-time communication, provides the light filling for surveying the skin, has so not only realized a tractor serves several purposes, has improved the accuracy of surveying the skin moreover, and is more practical, and the cost is lower.
Description
Technical Field
The utility model belongs to the technical field of control circuit, in particular to control circuit of multi-functional intelligent vanity mirror.
Background
With the improvement of living standard of people, women have higher and higher dressing requirements on themselves, so a plurality of cosmetic mirrors are produced in the market; however, all the cosmetic mirrors in the market at present have single functions (only can be used as makeup light); most of the light modulation keys only have single color temperature, the light modulation can be only adjusted according to gears or stepless single modes, and the light modulation and color temperature switching keys are multiplexed, so the operation is not convenient; light all adopts to add current-limiting resistor for the LED lamp basically, directly drives with the mode of power or battery constant voltage power supply, because of LED is the current drive component, and little voltage is stirred and probably is aroused big current variation, adopts this kind of constant voltage drive mode, if the life of voltage instability can influence the lamp pearl, can appear simultaneously along with the luminance of the voltage reduction light of battery can descend, and the unstable phenomenon can appear in light luminance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a control circuit of multi-functional intelligent vanity mirror to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a control circuit of a multifunctional intelligent cosmetic mirror comprises an MCU (microprogrammed control Unit) microprocessor, an LED (light-emitting diode) driving circuit, a state detection circuit, a DC-DC voltage stabilizing circuit, a battery charging management circuit, a Bluetooth module circuit and a touch key detection circuit; the LED driving circuit, the state detection circuit, the DC-DC voltage stabilizing circuit, the battery charging management circuit, the Bluetooth module circuit and the touch key detection circuit are all connected to the MCU microprocessor;
the LED driving circuit adopts constant current driving, the output current is adjusted in a mode of adjusting the duty ratio through a PWM (pulse-width modulation) port of the MCU;
the DC-DC voltage stabilizing circuit is used for supplying power to the MCU and the Bluetooth module circuit;
the state detection circuit detects a mobile phone in-place signal in real time and feeds the mobile phone in-place signal back to the MCU in real time;
the Bluetooth module circuit is communicated with the MCU through a serial port, and sends a lower computer state to the MCU microprocessor in real time and receives a control signal of the MCU microprocessor;
the charging management circuit is used for realizing charging management of the battery, directly supplying power by using the adapter during charging, supplying power by using the battery during non-charging and detecting the electric quantity of the battery;
the touch key detection circuit adopts a three-channel touch IC to realize three-key touch control.
Further, the LED driving circuit comprises a triode Q7, an LED boosting and dimming driving IC U2 and a peripheral circuit; the PWM wave with the adjustable duty ratio is connected to a pin 3 of the U2 as dimming input after the driving capability is improved through Q7, and the U2 generates LED driving voltage and current according to the dimming input and outputs the LED driving voltage and current from VOUT 1.
Further, the battery charging management circuit comprises an input interface DC1, a MOS tube Q3, a Q1 triode Q2, a power management chip U3 and a switch SW 1; the input +5V of the DC1 is connected to the 4 pin of the U3, and the battery BAT _ IN is connected to the 5 pin of the U3 chip; +5V is input through D3 and is connected to the gate of Q3 through R0, the drain of Q3 is connected to the source of Q1, and the drain of Q1 is connected to the output; the KEY2 of the switch SW1 is connected to the base of the transistor Q2, and the KEY1 is connected to the source of the Q1 through a resistor R9.
Further, the DC-DC voltage stabilizing circuit comprises a voltage reduction IC U8, a power inductor L3, a peripheral resistor and a capacitor device; the input voltage BAT _ OUT1 is connected to pin 4 and pin 1 of U8, and pin 3 of U8 outputs a step-down voltage of 3V through L3.
Further, the Bluetooth module circuit comprises a low power consumption Bluetooth module U6; the 4-pin of U6 is connected with the serial port UART _ TX of the singlechip, the 3-pin of U6 is connected with the serial port UART _ RX of the singlechip, the 1, 6 and 7 pins of U6 are connected with GND, and the 2-pin of U6 is connected with a power supply VCC.
Further, the touch key detection circuit comprises a touch control IC U1, a peripheral resistor and a capacitor; the 2-pin of U1 contacts the touch KEY1 through R1, the 3-pin of U1 contacts the touch KEY2 through R1, the 4-pin of U1 contacts the touch KEY3 through R1, the 5-pin KEY3 of U1, the 6-pin KEY state output KOUT1 of U1, and the 7-pin KEY state output KOUT2 of U1.
Further, the state detection circuit is characterized in that after the detection switch detects that the mobile phone is put in, a level change signal is input to a pin 5 of the single chip microcomputer U5, and the in-place state of the mobile phone can be detected.
Compared with the prior art, the utility model discloses there is following technological effect:
the touch key detection circuit of the utility model adopts three-channel touch IC, realizes three-key touch control, and can meet the makeup requirements in various light color environments; the LED lamp panel adopts a constant current driving circuit, so that the brightness is more stable;
the utility model discloses the circuit increases bluetooth module, can realize vanity mirror and mobile communication, and increases the cell-phone on the vanity mirror and place the position, and the detection switch is placed in the hardware increase, can realize and survey skin APP real-time communication, provides the light filling for surveying the skin, has so not only realized a tractor serves several purposes, has improved the accuracy of surveying the skin moreover, and is more practical, and the cost is lower.
Drawings
Fig. 1 is a circuit block diagram of the present invention;
fig. 2 is an MCU minimum system of the present invention;
fig. 3 is a schematic diagram of the LED driving circuit of the present invention;
fig. 4 is a power management circuit of the present invention;
FIG. 5 is a DC-DC voltage reduction circuit of the present invention;
fig. 6 is the bluetooth communication circuit of the present invention;
fig. 7 is a touch key detection circuit of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as fig. 3 the utility model discloses a LED drive circuit principle:
the circuit mainly comprises a triode Q7, an LED boosting dimming driving IC and a peripheral circuit thereof. The PWM wave with the adjustable duty ratio is connected to a pin 3 of the U2 as dimming input after the driving capability is improved through Q7, and the U2 generates LED driving voltage and current according to the dimming input and outputs the LED driving voltage and current from VOUT 1;
fig. 4 is the power management circuit of the present invention:
the circuit mainly comprises an input interface DC1, a MOS tube Q3, a Q1 triode Q2, a power management chip U3 and a switch SW 1. The input +5V of the DC1 is connected to the 4 pin of the U3, and the battery BAT _ IN is connected to the 5 pin of the U3 chip; +5V is input through D3 and is connected to the gate of Q3 through R0, the drain of Q3 is connected to the source of Q1, and the drain of Q1 is connected to the output; the KEY2 of the switch SW1 is connected with the base electrode of a triode Q2, and the KEY1 is connected with the source electrode of a Q1 through a resistor R9;
FIG. 5 is the utility model discloses DC ~ DC step-down circuit:
the circuit mainly comprises a voltage reduction IC U8, a power inductor L3, a peripheral resistor and a capacitor. The input voltage BAT _ OUT1 is connected to pins 4 and 1 of U8, and pin 3 of U8 outputs a step-down voltage of 3V through L3;
fig. 6 is the utility model discloses a bluetooth communication circuit:
the circuit mainly comprises a low-power Bluetooth module U6. The 4-pin of U6 is connected with a serial port UART _ TX of the singlechip, the 3-pin of U6 is connected with the serial port UART _ RX of the singlechip, the 1, 6 and 7 pins of U6 are connected with GND, and the 2 pin of U6 is connected with a power supply VCC;
fig. 7 is the utility model discloses a touch button detection circuit:
the circuit mainly comprises a touch control IC U1, a peripheral resistor and a capacitor. The 2-pin of U1 contacts the touch KEY1 through R1, the 3-pin of U1 contacts the touch KEY2 through R1, the 4-pin of U1 contacts the touch KEY3 through R1, the 5-pin KEY3 of U1, the 6-pin KEY state output KOUT1 of U1, and the 7-pin KEY state output KOUT2 of U1.
The MCU microprocessor serves as the overall processor for the entire circuitry. Each functional module is connected with each functional port of the MCU, and the intelligent control of the cosmetic mirror is realized.
Two way LED drives are connected with MCU's 2 PWM mouths respectively, and duty cycle through adjusting PWM adjusts LED drive circuit's output current, and the LED lamp plate adopts constant current drive, and lamp luminance changes along with the change of electric current, and adjustting of lighteness is more even, and is more stable, and drive current is invariable simultaneously, can not stir because of voltage stirs, also can more guarantee the life of lamp pearl.
The system adopts two power supply modes of adapter plug wire and battery power supply, the power supply mode selects the power supply mode through a power selection circuit consisting of Q3, D3 and R10, when a power line is plugged, Q3 is disconnected, the system selects the adapter to supply power, and meanwhile, the battery is supplied with power through a charging management circuit consisting of U2; when the power adapter is not plugged in, Q3 is closed, and the system is powered by the battery. The problem that part vanity mirror can only be used by plugging wires is solved to inferior circuit, and the normal use of vanity mirror is not influenced when the battery charges yet, more is close to user's demand, and it is more convenient to use. The power switch circuit is composed of Q1, Q2, R9, R28, C5 and SW1, the power switch circuit controls the on and off of Q2 through a voltage division circuit composed of R9, R28 and SW1, and further controls the switch of Q1 together with R8 to realize the control of the power.
MCU system and bluetooth module adopt the power supply of 3.3V, and bluetooth module U6 passes through the serial ports and links to each other with MCU chip U5, can realize host computer communications such as vanity mirror and cell-phone, accessible host computer control light luminance, and can survey skin APP interdynamic with my department's host computer, and a tractor serves several purposes for surveying skin provides the light filling, makes and surveys the skin more accurate.
U1 and peripheral component constitute touch button detection circuitry, 3 way detection input, the button of adjusting luminance "(on, off) colour temperature", "step up", "step down" separately, 2 way output, output connection in MCU's IO mouth, make up into control signal through the state of judging the IO mouth: the LED display screen has the advantages of being capable of being turned on and off, adjusting color temperature, adjusting brightness +, being zero-degree-, and being more convenient to adjust, and capable of being adjusted to the needed color temperature and brightness more accurately.
Claims (7)
1. A control circuit of a multifunctional intelligent cosmetic mirror is characterized by comprising an MCU (microprogrammed control Unit) microprocessor, an LED (light-emitting diode) driving circuit, a state detection circuit, a DC-DC voltage stabilizing circuit, a battery charging management circuit, a Bluetooth module circuit and a touch key detection circuit; the LED driving circuit, the state detection circuit, the DC-DC voltage stabilizing circuit, the battery charging management circuit, the Bluetooth module circuit and the touch key detection circuit are all connected to the MCU microprocessor;
the LED driving circuit adopts constant current driving, the output current is adjusted in a mode of adjusting the duty ratio through a PWM (pulse-width modulation) port of the MCU;
the DC-DC voltage stabilizing circuit is used for supplying power to the MCU and the Bluetooth module circuit;
the state detection circuit detects a mobile phone in-place signal in real time and feeds the mobile phone in-place signal back to the MCU in real time;
the Bluetooth module circuit is communicated with the MCU through a serial port, and sends a lower computer state to the MCU microprocessor in real time and receives a control signal of the MCU microprocessor;
the charging management circuit is used for realizing charging management of the battery, directly supplying power by using the adapter during charging, supplying power by using the battery during non-charging and detecting the electric quantity of the battery;
the touch key detection circuit adopts a three-channel touch IC to realize three-key touch control.
2. The control circuit of the multifunctional intelligent cosmetic mirror, according to claim 1, is characterized in that the LED driving circuit comprises a triode Q7, an LED boost dimming driving IC U2 and peripheral circuits; the PWM wave with the adjustable duty ratio is connected to a pin 3 of the U2 as dimming input after the driving capability is improved through Q7, and the U2 generates LED driving voltage and current according to the dimming input and outputs the LED driving voltage and current from VOUT 1.
3. The control circuit of a multifunctional intelligent cosmetic mirror, as claimed in claim 1, wherein the battery charging management circuit comprises an input interface DC1, a MOS transistor Q3, a Q1 triode Q2, a power management chip U3 and a switch SW 1; the input +5V of the DC1 is connected to the 4 pin of the U3, and the battery BAT _ IN is connected to the 5 pin of the U3 chip; +5V is input through D3 and is connected to the gate of Q3 through R0, the drain of Q3 is connected to the source of Q1, and the drain of Q1 is connected to the output; the KEY2 of the switch SW1 is connected to the base of the transistor Q2, and the KEY1 is connected to the source of the Q1 through a resistor R9.
4. The control circuit of the multifunctional intelligent cosmetic mirror, according to claim 1, is characterized in that the DC-DC voltage stabilizing circuit comprises a voltage reduction IC U8, a power inductor L3, a peripheral resistor and a capacitor device; the input voltage BAT _ OUT1 is connected to pin 4 and pin 1 of U8, and pin 3 of U8 outputs a step-down voltage of 3V through L3.
5. The control circuit of the multifunctional intelligent cosmetic mirror of claim 1, wherein the bluetooth module circuit comprises a bluetooth low energy module U6; the 4-pin of U6 is connected with the serial port UART _ TX of the singlechip, the 3-pin of U6 is connected with the serial port UART _ RX of the singlechip, the 1, 6 and 7 pins of U6 are connected with GND, and the 2-pin of U6 is connected with a power supply VCC.
6. The control circuit of the multifunctional intelligent cosmetic mirror is characterized in that the touch key detection circuit comprises a touch control IC U1, a peripheral resistor and a capacitor; the 2-pin of U1 contacts the touch KEY1 through R1, the 3-pin of U1 contacts the touch KEY2 through R1, the 4-pin of U1 contacts the touch KEY3 through R1, the 5-pin KEY3 of U1, the 6-pin KEY state output KOUT1 of U1, and the 7-pin KEY state output KOUT2 of U1.
7. The control circuit of the multifunctional intelligent cosmetic mirror, as claimed in claim 1, wherein the detection switch, upon detecting the placement of the mobile phone, inputs a level change signal to pin 5 of the single chip microcomputer U5, so as to detect the on-position status of the mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022784657.5U CN213904098U (en) | 2020-11-26 | 2020-11-26 | Control circuit of multifunctional intelligent cosmetic mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022784657.5U CN213904098U (en) | 2020-11-26 | 2020-11-26 | Control circuit of multifunctional intelligent cosmetic mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213904098U true CN213904098U (en) | 2021-08-06 |
Family
ID=77123153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022784657.5U Active CN213904098U (en) | 2020-11-26 | 2020-11-26 | Control circuit of multifunctional intelligent cosmetic mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213904098U (en) |
-
2020
- 2020-11-26 CN CN202022784657.5U patent/CN213904098U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3177497U (en) | LED decorative lighting device | |
| CN205961495U (en) | Blue tooth surface board lamp | |
| CN109673086B (en) | LED drive control circuit compatible with wireless dimming and color mixing and wall switch color mixing | |
| CN102380169A (en) | LED (light emitting diode) hair increasing membrane | |
| CN213904098U (en) | Control circuit of multifunctional intelligent cosmetic mirror | |
| CN210629921U (en) | Little night-light of plane clock of electrodeless regulation of light | |
| CN209824090U (en) | LED drive control circuit compatible with wireless dimming and color modulation and wall switch color modulation | |
| CN204648088U (en) | A kind of intelligent dimming LED desk lamp of removable use | |
| CN203251457U (en) | Multifunctional controller circuit with broad voltage range | |
| CN211245235U (en) | Light beauty mask | |
| CN212876155U (en) | Rechargeable portable sterilamp circuit | |
| CN205196044U (en) | Take portable power source's portable LED lamp | |
| CN208175054U (en) | A kind of switching logic control LED driver | |
| CN204425713U (en) | Brightness is regulated and the control circuit exported with USB in energy-saving LED lamp | |
| CN211930312U (en) | Sharing charger based on bluetooth | |
| CN204425712U (en) | A kind of multi-functional energy-saving LED lamp control circuit | |
| CN215818688U (en) | Lamp body with MCU system intelligent control | |
| CN216357392U (en) | Output current control circuit and system | |
| CN219659958U (en) | Intelligent lighting control system | |
| CN202366333U (en) | LED (Light-Emitting Diode) hair increasing film | |
| CN208001273U (en) | One kind arbitrarily pasting touch switch based on 4.2 intelligence of bluetooth | |
| CN207425325U (en) | A kind of double backlight control circuits of LED and double backlight LED matrixs | |
| CN2504859Y (en) | Charging connector of mobile telephone | |
| CN212178710U (en) | Multifunctional desk lamp circuit | |
| CN104881980A (en) | Visual touch screen intelligent remote control device and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Unit 08, 6th Floor, Building 5, No. 2 Science Park Road, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 311116 Patentee after: Zhejiang Yige Enterprise Management Group Co.,Ltd. Address before: 310000 unit 08, 6 / F, building 5, No.2, kekeyuan Road, Baiyang street, Hangzhou Economic and Technological Development Zone, Hangzhou, Zhejiang Province Patentee before: Zhejiang Yige Enterprise Management Group Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |