CN207473371U - A kind of multifunctional leather belt control system - Google Patents

Abstract

The utility model mainly relates to the field of life, more specifically, relates to a multifunctional belt control system, which can charge an external terminal through the belt, and can collect motion data and play music when the user is exercising, so as to improve people's life. Bring convenience. The output terminals of the motion sensing module, clock module, master control button and brightness detection module of the multifunctional belt control system are connected to the input terminal of the main controller, and the output terminal of the main controller is connected to the input terminals of the display module and the music module. The detection module is connected to the display module, the storage module is connected to the main controller, the terminal is connected to the main controller through the Bluetooth module, the output terminal of the power module is connected to the input terminal of the main controller, the power module is connected to the charging management module, and the USB charging interface The output end of the charging management module is connected to the input end of the charging management module, and the output end of the charging management module is connected to the USB discharge interface.

Description

A Multifunctional Belt Control System

technical field

The utility model mainly relates to the field of life, and more specifically relates to a multifunctional belt control system.

Background technique

Belts are necessary clothing items in people's daily life, but the belt has a single function and can only play the role of fixing and decoration. With the acceleration of modern people's life rhythm and the improvement of life quality, people's life is gradually becoming intelligent. Therefore, a multifunctional belt control system is provided, which can charge the external terminal through the belt, and can collect motion data and play music when the user is exercising, bringing convenience to people's life. People can already charge their mobile phones at any time, and mobile phone users will no longer worry about being unable to charge their mobile phones because they forget to bring a charger due to negligence.

Contents of the invention

The technical problem mainly solved by the utility model is to provide a multifunctional belt control system, which can charge the external terminal through the belt, and can collect motion data and play music when the user is exercising, bringing convenience to people's life.

In order to solve the above technical problems, a multifunctional belt control system of the present invention includes a main controller, a motion sensing module, a clock module, a master control button, a display module, a brightness detection module, a music module, a storage module, a charging management module, a power supply The module, USB charging interface, USB discharging interface, Bluetooth module, and terminal can charge the external terminal through the belt, and can collect motion data and play music when the user is exercising, bringing convenience to people's life.

Wherein, the output end of the motion sensing module is connected to the input end of the main controller; the output end of the clock module is connected to the input end of the main controller; the output end of the master control button is connected to the input end of the main controller end; the output end of the main controller is connected to the input end of the display module; the brightness detection module is connected to the display module; the output end of the brightness detection module is connected to the input end of the main controller; the main controller The output end of the music module is connected to the input end of the music module; the storage module is connected to the main controller; the terminal is connected to the main controller through the Bluetooth module; the output end of the power module is connected to the input end of the main controller; The power supply module is connected to the charging management module; the output end of the USB charging interface is connected to the input end of the charging management module; the output end of the charging management module is connected to the USB discharge interface.

As a further optimization of the utility model, the main controller of a multifunctional belt control system of the utility model adopts an ATmega64 single-chip microcomputer.

As a further optimization of the utility model, the motion sensing module of the multifunctional belt control system of the utility model adopts an ADXL345 three-axis acceleration sensor.

As a further optimization of the utility model, the brightness detection module of a multifunctional belt control system of the utility model adopts the LX1970 brightness sensor.

As a further optimization of the utility model, the charging management module of the multifunctional belt control system of the utility model adopts the HT4901 chip.

As a further optimization of the utility model, the music module of a multifunctional belt control system of the utility model adopts a VS1003 chip.

Control effect: the utility model is a multifunctional belt control system, which can charge the external terminal through the belt, and can collect motion data and play music when the user is exercising, which brings convenience to people's life.

Description of drawings

Below in conjunction with accompanying drawing and specific implementation method, the utility model is described in further detail.

Fig. 1 is a hardware structural diagram of a multifunctional belt control system of the present invention.

Fig. 2 is a circuit diagram of a main controller of a multifunctional belt control system of the present invention.

Fig. 3 is a circuit diagram of a clock module of a multifunctional belt control system of the present invention.

Fig. 4 is a circuit diagram of a motion sensing module of a multifunctional belt control system of the present invention.

Fig. 5 is a circuit diagram of a storage module of a multifunctional belt control system of the present invention.

Fig. 6 is a circuit diagram of a master control button of a multifunctional belt control system of the present invention.

Fig. 7 is a circuit diagram of a music module of a multifunctional belt control system of the present invention.

Fig. 8 is a circuit diagram of a display module and a brightness detection module of a multifunctional belt control system of the present invention.

Fig. 9 is a circuit diagram of a bluetooth module of a multifunctional belt control system of the present invention.

Fig. 10 is a circuit diagram of a power supply module of a multifunctional belt control system of the present invention.

Fig. 11 is a circuit diagram of a USB charging interface, a charging management module, and a USB discharging interface of a multifunctional belt control system of the present invention.

Detailed ways

Specific implementation mode one:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 to illustrate this embodiment, a multifunctional belt control system described in this embodiment includes a main controller, a motion sensing module, a clock Module, master control button, display module, brightness detection module, music module, storage module, charging management module, power module, USB charging interface, USB discharging interface, Bluetooth module, terminal, the external terminal can be charged through the belt, and in When the user is exercising, it can collect motion data and play music, which brings convenience to people's life.

Wherein, the output end of the motion sensing module is connected to the input end of the main controller, and the motion sensing module adopts the ADXL345 three-axis acceleration sensor for collecting human body motion signals. The signals are filtered by a low-pass filter and converted by an internal A/D Finally, it is input to the main controller, and the acceleration in the three mutually orthogonal directions of X, Y, and Z is sensed by the G-Cell sensor inside the ADXL345. Signal output, the so-called G-Cell sensor is obtained by semiconductor material (polysilicon) processed by semiconductor technology, and its structure can be simplified as three capacitor plates, the plates at both ends are delineated, and the middle plate is under the action of acceleration. The position without acceleration, so that the distance from it to the two ends of the plate changes, resulting in a change in the capacitance value. This change value is reflected in the final voltage output value after capacitance transformation, gain amplification, filtering, etc., so as to complete the adjustment of acceleration. Measurement. The SCL_D, SDA_D, and SDO_D terminals of the motion sensing module are respectively connected to the PD0, PD1, and PD3 pins of the main controller. The motion sensing module is fixed on the belt. When the human body is moving, the data in the three directions of X, Y, and Z have corresponding determined data. The motion sensing module detects the acceleration signal and sends it to the main controller. According to the motion sensing module detecting the current In the state of human body movement, the main controller transmits the detection data to the terminal through the Bluetooth module, and the user's steps are obtained after the terminal's calculation and processing.

The output end of described clock module is connected with the input end of master controller, and clock module adopts DS1302 clock chip, and DS1302 is a kind of high-performance, low power consumption real-time clock chip that U.S. DALLAS company releases, additional 31 byte static RAM, The SPI three-wire interface is used for synchronous communication with the main controller, and the clock signal and RAM data of multiple bytes can be transmitted at a time in a burst mode. The DS1302 clock chip can provide seconds, minutes, hours, days, weeks, months and years. It can be automatically adjusted when a month is less than 31 days, and it has a leap year compensation function. The working voltage is as wide as 2.5-5.5V. It adopts dual power supply (main power supply and backup power supply), and the backup power supply charging mode can be set to provide the ability to charge the back power supply with a trickle current. DS1302 is used for data recording, especially for the recording of some data points with special significance. It can realize the simultaneous recording of data and the time when the data appears, so it is widely used in measurement systems. Pin description: Vcc1 is the backup power supply; Vcc2 is the main power supply. When Vcc2>Vcc1+0.2V, Vcc2 supplies power to DS1302; when Vcc2<Vcc1, Vcc1 supplies power to DS1302; SCLK is the serial clock input; I/O is the bidirectional data line of the three-wire interface; RST is the input signal , must be high during reading and writing data. This pin has two functions: first, RST begins the control logic for controlling word accesses to the shift register; second, RST provides a means of ending single-byte or multi-byte data transfers. DS1302 has 12 registers related to calendar and time, including 7 registers (81h~8Dh when reading, 80h~8Ch when writing), and the stored data format is BCD code form. The clock module is used to generate clock signals to provide real-time time for the system. The SCLK pin of the clock module is connected to the PD6 pin of the main controller; the RST pin of the clock module is connected to the PD5 pin of the main controller, and the RST pin As an input signal, it must be high during reading and writing data; the I/O pin of the clock module is connected to the PD4 pin of the main controller.

The output end of the master control button is connected to the input end of the main controller, the master control button is SW0, and the interrupt signal is input to the PC1 pin of the master controller through the button SW0 to realize the opening or closing of the system; when pressing SW0 , Q7 and D5 are turned on, the DC-DC voltage regulator chip works, and the VCC terminal of the main controller is connected to supply power to the main controller. The main controller immediately sets the corresponding PC1 pin to output high level, at this time Q6 and Q7 are turned on, and the whole circuit enters the working state. Then the main controller sets the PC1 pin to the input high level state, and due to the existence of the pull-up resistor R13, Q6 and Q7 are always turned on. The main controller has been scanning the input state of the corresponding PC1 pin, if SW0 is not pressed down, the PC1 pin will always be high. When SW0 is pressed down again, D6 is turned on, and the main controller detects that the input of the PC1 pin is low level. At this time, the main controller sets the output of the PC1 pin to a low level state. Lift it up, Q7 will also be cut off, the DC-DC voltage regulator chip will not provide voltage to the main controller, and the entire circuit will be in a shutdown state.

The output end of the main controller is connected to the input end of the display module, and the display module adopts an LCD12864 liquid crystal display screen, and the display module is used to display the alcohol concentration information detected, and the D0, D1, D2, D3, D4, D5 of the display module , D6, D7 terminals are connected to the PF0, PF1, PF2, PF3, PF4, PF5, PF6, PF7 pins of the main controller to display data; the RS terminal of the display module is connected to the PA0 pin of the main controller , used to control data commands; the R/W terminal of the display module is connected to the PA1 pin of the main controller to control the read and write operations; the enable terminal E of the display module is connected to the PA2 pin of the main controller; The PA0, PA1, and PA2 pins of the controller are used to control the strobe status of the digital tubes in the display module; the LED+ terminal of the display module is connected to the PC5 pin of the main controller through a resistor R4, and the main controller provides the display module with Constant current; the SRC port of the brightness detection module is connected to the LED- terminal of the display module through the resistor R2, and the OUT1_LCD terminal is connected to the PC7 pin of the main controller; the LED+ terminal of the display module is connected to the brightness detection module through the resistor R3 SNK port.

The brightness detection module is connected with the display module, the brightness detection module adopts LX1970 light sensor, the current output terminal SRC of the brightness detection module is connected with the LED-end of the display module through the resistor R2, and the current suction terminal SNK is connected with the LED-side of the display module through the resistor R3. The LED+ terminals are connected, and are connected to the PC7, PC6, and PC5 pins of the main controller through the OUT1_LCD, OUT2_LCD, and OUT3_LCD terminals to control the on-off of the current between the SRC terminal and the SNK terminal of the brightness detection module and the display module.

The output end of the brightness detection module is connected to the input end of the main controller. The brightness detection module adopts the LX1970 light sensor, which is used to receive visible light and convert it into a current signal. The current at the SNK end and the SRC end reflects the level of brightness , when the ambient brightness is obviously darkened, LX1970 can automatically turn on the backlight of the display module to increase the brightness of the display. The LX1970 light sensor sends the collected photocurrent of the display module interface to the two current output terminals SRC and SNK through a high-gain amplifier terminal, the main controller obtains the ambient brightness value by judging the currents of SRC and SNK, and realizes the free adjustment of the backlight brightness of the display module. The current sink terminal SNK is connected to the LED+ terminal of the display module through the resistor R3, and connected to the PC7, PC6 and PC5 pins of the main controller through the OUT1_LCD, OUT2_LCD and OUT3_LCD terminals to control the SRC terminal of the brightness detection module and The on-off of the current between the SNK terminal and the display module, after the system is powered on, the LX1970 light sensor senses the ambient illuminance value of the display module interface, outputs the corresponding current value and sends it to the main controller for judgment, if the detected ambient illuminance If the value S>540lx, after calculating the value to be adjusted, control the main controller to start the pin E for backlight control and contrast adjustment, otherwise, the contrast of the display module is maintained at a constant value; if the ambient illumination value S<325lx is detected, After calculating the value to be adjusted, control the main controller to start pin E to control the backlight. If the detected ambient illuminance value is 325lx≤S≤540lx, the backlight is turned off. After the adjustment is completed, the LX1970 continues to collect the ambient illuminance value for the next round sensing adjustment.

The output end of described main controller is connected with the input end of music module, and music module adopts VS1003 chip, and main controller control will be stored in the music file MP3 data format stream information of storing module and transmit in VS1003 chip, decode by VS1003 chip And its connotation High-quality stereo DAC is processed and converted and sent to the speaker to realize the playback of songs. All data and control commands of the VS1003 chip are realized through the SPI bus interface. The PB1, PB2, PB3, and PB0 pins of the music module are connected, and the XDCS and DREQ terminals of the music module are respectively connected to the PB4 and PB5 pins of the main controller.

Described storage module is connected main controller, and storage module adopts SD card, and main controller is connected with SD card slot through serial peripheral protocol bus, and DO, CS, SCLK_SD and DI end are respectively connected with main controller PC4, PC3, PD7, and PC2 pins are connected. The COMCD, WP, GND, and CD pins in the memory module circuit diagram are the pins for fixing the memory card on the card slot on the circuit board. Except GND grounding, no other pins are used. The main controller provides a clock signal to the SD card through the PD7 pin, controls the CS end of the SD card through the PC3 pin, and controls the input and output of data through the PC2 and PC4 pins, and the main controller calls the music stored in the SD card. The file MP3 data format stream information is sent to the VS1003 chip, and after being decoded by the VS1003 chip and processed by the high-quality stereo DAC, the playback of MP3 songs is realized.

The terminal is connected to the main controller through the bluetooth module. The bluetooth module adopts the HC-05 bluetooth module. The HC-05 is an embedded bluetooth serial port communication module. In connection working mode, the module can be divided into three working roles: Master, Slave and Loopback. When the module is in the automatic connection working mode, it will automatically connect to the data transmission according to the preset method; the user can send various AT commands to the module through the terminal, set control parameters for the module or issue control commands. Through the input level of the external pins PE0 and PE1 of the main controller, the dynamic conversion of the working state of the module can be realized. The terminal is a smart phone or a tablet computer. The RXD and TXD terminals of the Bluetooth module are respectively connected to the PE0 and PE1 pins of the main controller.

The output end of the power module is connected to the input end of the main controller. The power module uses a rechargeable lithium-ion battery. The power module is used to supply power to the system to ensure the normal operation of the system. The +5V voltage of the power module passes through the LM1118-3.3V The chip is converted to +3.3V voltage, and the +5V voltage of the power module is converted to +2.5V voltage by the LM1118-2.5V chip, and the system is powered through the VCC port.

The power module is connected to the charging management module, the power module adopts +5 rechargeable lithium ion battery, the charging management module adopts HT4901 chip, the positive pole of the battery is connected to the CHARGE terminal of the HT4901 chip, and the negative pole of the battery is grounded through the inductor LEEAD. The HT4901 chip has a built-in power detection, and the battery energy status is displayed during charging. It supports charging 0V batteries, and it uses a trickle pre-charging mode to better protect the battery. The boost output voltage is adjustable, and the built-in MOSFET boost output is used for peripherals The charging current can reach 500mA, and the charging current of the external MOSFET boost output to the peripheral device exceeds 2A. The built-in 50mA LED flashlight driver has battery overcharge and overdischarge protection, and the output has no-load automatic recognition shutdown, overcurrent protection, and short circuit protection. , Over-temperature protection function. L1, L2, L3, and L4 in the circuit diagram of the charging management module are battery power indicator lights.

The output end of the USB charging interface is connected to the input end of the charging management module, and the USB charging interface USB IN is connected to an external charger to charge the battery in the power module. When the USB_IN is connected to a 5V power supply, the HT4901 chip enters the charging state. When the boost output is turned off, the LED indicators L1, L2, L3, and L4 will gradually light up with the increase of the battery voltage. When the charging is completed, the four indicators L1, L2, L3, and L4 will all light up.

The output terminal of the charging management module is connected to the USB discharge interface, the charging management module adopts HT4901 chip, the LX terminal of the HT4901 chip is connected to the VCC terminal of the USB discharge interface through the Zener diode D1, and the D- terminal of the USB discharge interface is connected to the resistor The connection node of R5 and resistor R6, and the D+ terminal of the USB discharge interface is connected to the connection node of resistor R3 and resistor R4. When the system is in standby mode, short press the button S3 to wake up from the standby mode, and check the battery power; the power display is displayed for a few seconds Then turn it off, and start the boost output at the same time; turn off the boost output and enter the standby mode when the battery voltage is undervoltage or enters current limiting/short circuit protection, and long press the button S3 to enter the standby mode.

Specific implementation mode two:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 illustrate the present embodiment, the main controller adopts ATmega64 single-chip microcomputer. The ATmega64 single-chip microcomputer is a component produced by ATMEL's high-density non-volatile memory technology, and the on-chip ISP Flash memory can be programmed multiple times through SPI, communication programmer or bootloader. The bootloader can use any interface to download the application program to the Flash memory. The ATmega64 microcontroller is an 8-bit low-power CMOS microprocessor based on the AVR RISC structure. Its data throughput rate is as high as 1MIPS/MHz, so it can slow down the contradiction between power consumption and processing speed of the system.

Specific implementation mode three:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 to illustrate this embodiment, the motion sensing module uses an ADXL345 three-axis acceleration sensor. The ADXL345 is a three-axis acceleration sensor that outputs digital signals from ADI. The ADXL345 is a small, thin, ultralow power 3-axis accelerometer with high resolution (13 bits) and a measurement range of ±16g. The digital output data is in 16-bit twos complement format and can be accessed via SPI (3-wire or 4-wire) or I2C digital interface. The ADXL345 is ideal for mobile device applications. It can measure static acceleration due to gravity in tilt detection applications, as well as dynamic acceleration due to motion or shock. Its high resolution (3.9mg/LSB) enables measurement of tilt angle changes of less than 1.0°.

Specific implementation mode four:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 to illustrate this embodiment, the brightness detection module adopts LX1970 light sensor. The LX1970 is an integrated visible light brightness sensor capable of simulating the human eye. The peak luminous wavelength is 520nm, the current sensitivity is 0.38uA/lx, the dark current is 10nA, the nonlinear error is small, and the repeatability is good. The current asymmetry of the two complementary output terminals is only ±0.5%, and one terminal can be selected as the output. The peripheral circuit is simple, cheap, easy to use, low power consumption, low voltage power supply. Using 2 ~ 5.5V power supply, the power supply current can be as low as 85mA (typical value). The working temperature range is -40～+85℃. Its overall dimensions are only 2.95mm×3mm×1mm. Use the src terminal to output the result of light-flow conversion, and then realize the flow-pressure conversion. The chip has stable performance and high sensitivity.

Specific implementation mode five:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 are used to illustrate this embodiment, and the charging management module adopts the HT4901 chip. The HT4901 chip has built-in power detection, which can display the battery energy status during charging; the charging current of the built-in MOSFET is 500mA (typical value), and the charging current of the external MOSFET can reach more than 2A; it supports charging of 0V batteries and has a trickle pre-charging mode , to better protect the battery; the boost output voltage is adjustable, and the charging current for the peripherals can reach 500mA when using the built-in MOSFET boost output, and the charging current for the peripheral devices can exceed 2A; the fixed switching frequency is 500KHZ The high efficiency of the boost circuit is 90%; the standby power consumption can be controlled below 30uA; built-in 50mA LED flashlight drive; battery overcharge and overdischarge protection; Function: battery energy status display during charging, support for charging 0V batteries, and a trickle pre-charging mode to better protect the battery, boost output voltage adjustable, use the built-in MOSFET boost output to charge the peripherals up to 500mA, externally expanded MOSFET boost output charging current for peripherals exceeds 2A, built-in 50mA LED flashlight drive, with battery overcharge and overdischarge protection, output with no-load automatic shutdown, overcurrent protection, short circuit protection, overtemperature protection Function.

Specific implementation method six:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 to illustrate this embodiment, the music module uses a VS1003 chip. The VS1003 is an MP3/WMA/MIDI audio decoder and ADPCM programmer. It contains a high-performance, self-owned low-power DSP processor core VS_DSP, and provides 5KB instruction RAM and 0.5KB data RAM, generates MIDI/SPMIDI files, contains high-performance on-chip stereo digital-to-analog converter, two voice Channel, no phase difference, no external drive circuit is needed when playing audio files, and the control data interface of SPI serial communication is supported.

The working principle of a multifunctional belt control system of the utility model is as follows: a multifunctional belt control system of the utility model, the power module adopts a rechargeable lithium-ion battery, charges the battery through the USB charging interface, and charges the battery through the charging management module. The power status is monitored, the external terminal is charged through the USB discharge interface, the system is turned on through the master control button, and the detection function is realized. The clock module is used to provide real-time time for the system, and the time is displayed through the display module. The brightness detection module is used to detect the surrounding environment The brightness of the light, and adjust the backlight brightness of the display module according to the detected brightness. The storage module is used to store music files. The main controller transfers the music files in the storage module to the music module for processing and then plays the music files. Listen to music at any time; the motion sensing module is used to collect the user's motion data and transmit it to the main controller, and transmit the motion data to the terminal through the Bluetooth module, and obtain the user's motion steps after processing by the terminal.

Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model, and anyone familiar with this technology can make various changes and changes without departing from the spirit and scope of the utility model. modification, so the scope of protection of the utility model should be defined by the claims.

Claims (6)

1. A multifunctional belt control system, characterized in that, said multifunctional belt control system comprises a master controller, a motion sensing module, a clock module, a master control button, a display module, a brightness detection module, a music module, a storage module, Charging management module, power supply module, USB charging interface, USB discharging interface, bluetooth module, terminal, the output end of described motion sensing module is connected with the input end of main controller; The output end of described clock module is connected with the main controller Input end; the output end of the master control button is connected to the input end of the main controller; the output end of the main controller is connected to the input end of the display module; the brightness detection module is connected to the display module; the brightness detection The output end of the module is connected to the input end of the main controller; the output end of the main controller is connected to the input end of the music module; the storage module is connected to the main controller; the terminal is connected to the main controller through the Bluetooth module The output end of the power module is connected to the input end of the main controller; the power module is connected to the charging management module; the output end of the USB charging interface is connected to the input end of the charging management module; The output end is connected to the USB discharge interface. 2. A kind of multifunctional belt control system according to claim 1, characterized in that: said main controller adopts ATmega64 single-chip microcomputer. 3. A multifunctional belt control system according to claim 1, characterized in that: said motion sensing module adopts ADXL345 three-axis acceleration sensor. 4. A multifunctional belt control system according to claim 1, characterized in that: said brightness detection module adopts LX1970 light sensor. 5. A multifunctional belt control system according to claim 1, characterized in that: said charging management module adopts HT4901 chip. 6. A multifunctional belt control system according to claim 1, characterized in that: the music module uses a VS1003 chip.