CN213814597U

CN213814597U - Non-contact man-machine interaction device based on electronic paper

Info

Publication number: CN213814597U
Application number: CN202021070733.XU
Authority: CN
Inventors: 易子川; 冯梓豪; 黄家冲; 康哲然; 林嘉铮; 高宇炜; 水玲玲; 迟锋; 刘黎明; 彭保; 张智; 林跃
Original assignee: University of Electronic Science and Technology of China Zhongshan Institute
Current assignee: University of Electronic Science and Technology of China Zhongshan Institute
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-07-27
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a non-contact man-machine interaction device based on electronic paper, which comprises a main control module, a power supply module, an electronic paper display module, an alarm module, a storage module and a gesture recognition module, wherein the electronic paper display module, the alarm module, the storage module and the gesture recognition module are all electrically connected with the main control module, and the power supply module provides a working power supply for other modules; the utility model discloses a gesture recognition module judges through the gesture of discerning people and making, and convert corresponding data information and send for host system, host system is according to the demonstration content of received data information control electronic paper display module again, and easy operation is convenient, need not the direct contact product in the use, just can carry out human-computer interaction, can avoid people to carry virus or bacterium in the use, effectively improve the security of using, this product also can use as usual in some special periods, and the commonality is high.

Description

Non-contact man-machine interaction device based on electronic paper

Technical Field

The utility model relates to an electrophoresis display field, especially a non-contact human-computer interaction device based on electronic paper.

Background

At present, the man-machine interaction devices with display screens are operated by touching the display screens to realize information communication with man-machines, the devices are arranged in large public places such as markets, supermarkets and the like, people can quickly know basic information of the places through the device, great convenience is brought to the people, however, in some special periods such as infectious diseases (influenza virus, pneumonia virus and the like), the people can easily carry viruses or bacteria by touching the objects outside at will, which is a dangerous behavior, the man-machine interaction devices are arranged in places with large flow of people, the number of people is large, the probability of disease infection is greatly improved, the safety of the people is threatened, therefore, the devices are forbidden to be used in some places during the period of the infectious diseases, the diseases can be avoided, but also the device loses the existing significance and the universality of the product is low.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a non-contact human-computer interaction device based on electronic paper that commonality is strong, the simple operation.

The utility model provides a technical scheme that its technical problem adopted is:

a non-contact human-computer interaction device based on electronic paper comprises a main control module, a power supply module, an electronic paper display module, an alarm module, a storage module and a gesture recognition module, wherein the electronic paper display module, the alarm module, the storage module and the gesture recognition module are all electrically connected with the main control module, and the power supply module provides a working power supply for other modules; and a main control chip U1 in the main control module is an STM32 series single-chip microcomputer.

The gesture recognition module is an ATK-PAJ7620 gesture recognition module P1, a pin 1 of the ATK-PAJ7620 gesture recognition module P1 is connected with a 5V power supply, a pin 2 is grounded, a pin 3 is connected with a pin 53 of the main control chip U1, and a pin 4 is connected with a pin 52 of the main control chip U1.

The electronic paper display module is an electronic paper display screen P2, a pin 1 of the electronic paper display screen P2 is connected with a 3.3V power supply, a pin 2 is grounded, a pin 3 is connected with a pin 23 of a main control chip U1, a pin 4 is connected with a pin 21 and a pin 5 of the main control chip U1, and a pin 20 and a pin 6 of the main control chip U1 are connected with a pin 16 and a pin 7 of the main control chip U1, respectively, a pin 15 and a pin 8 of the main control chip U1 are connected with a pin 17 of the main control chip U1.

The power supply module comprises a USB interface U4, a switch SW1, a voltage stabilizing chip U5, a light emitting diode D5, a resistor R9, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C8, a capacitor C9 and a capacitor C10; the 5 pin of the USB interface U4 is grounded; one end of the switch SW1 is connected with a pin 1 of the USB interface U4, the other end of the switch SW1 is divided into two paths, one path outputs a 5V power supply, and the other path is connected with a pin 3 of the voltage stabilizing chip U5; the capacitor C1, the capacitor C2 and the capacitor C3 are connected in parallel, one end of the capacitor C1, the capacitor C2 and the capacitor C3 is connected with a node between the switch SW1 and the pin 3 of the voltage stabilizing chip U5, and the other end of the capacitor C1, the capacitor C2 and the capacitor C3 is connected with a node between the pin 5 of the USB interface U4 and the ground; the pin 1 of the voltage stabilizing chip U5 is connected with a node between the pin 5 of the USB interface U4 and the ground; the 2 pins of the voltage stabilizing chip U5 are divided into two paths, one path outputs 3.3V power, the other path is connected with the anode of the light emitting diode through the resistor R9, and the cathode of the light emitting diode is connected with a node between the 5 pins of the USB interface U4 and the ground; the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C8, the capacitor C9 and the capacitor C10 are connected in parallel, one end of the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C8 and the capacitor C10 are connected in parallel, one end of the capacitor C9 is connected with a node between a pin 2 of the voltage stabilizing chip U5 and the resistor R9, and the other end of the capacitor C9 is connected with a node between the cathode of the light emitting diode and the ground.

The alarm module comprises a triode Q1, a diode D6, a buzzer B2, a resistor R16 and a resistor R21; the anode of the diode D6 is divided into two paths, one path is connected with the pin 3 of the triode Q1, the other path is connected with the pin 2 of the buzzer B2, the cathode of the diode D6 is divided into two paths, one path is connected with a 5V power supply, and the other path is connected with the pin 1 of the buzzer B2; the pin 2 of the triode Q1 is grounded; the pin 1 of the triode Q1 is divided into two paths, one path is connected with the node between the pin 2 of the triode Q1 and the ground through the resistor R21, and the other path is connected with the pin 24 of the main control chip U1 through the resistor R16.

The storage module comprises an SD memory U3, a FLASH memory U10 and an EEPROM memory U9, the SD memory U3 is electrically connected with the main control chip U1, one end of the FLASH memory U10 is electrically connected with one end of the EEPROM memory U9, the other end of the FLASH memory U10 is electrically connected with the main control chip U1, and the other end of the EEPROM memory U9 is electrically connected with the main control chip U1.

The utility model has the advantages that: the utility model discloses a gesture recognition module judges through the gesture of discerning people and making, and convert corresponding data information and send for host system, host system is according to the demonstration content of received data information control electronic paper display module again, and easy operation is convenient, need not the direct contact product in the use, just can carry out human-computer interaction, can avoid people to carry virus or bacterium in the use, effectively improve the security of using, this product also can use as usual in some special periods, and the commonality is high.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a block diagram illustrating the structure of the present invention;

fig. 2 is a first part of a circuit schematic of the present invention;

fig. 3 is a second part of the circuit schematic of the present invention;

fig. 4 is a third part of the circuit schematic of the present invention.

Detailed Description

Referring to fig. 1 to 4, a non-contact human-computer interaction device based on electronic paper comprises a main control module, a power supply module, an electronic paper display module, an alarm module, a storage module and a gesture recognition module, wherein the electronic paper display module, the alarm module, the storage module and the gesture recognition module are all electrically connected with the main control module, and the power supply module provides a working power supply for other modules; the main control chip U1 in the main control module is an STM32 series single chip microcomputer; in this embodiment, STM32F103RCT6 has been adopted as master control chip U1, master control chip U1 has two outside clock sources, wherein the external crystal oscillator of having externally connected 32.768KHZ constitutes the clock RTC circuit, provides the external clock of low-speed, in addition, master control chip U1 has still externally connected 8 MHZ's external crystal oscillator, provides high-speed external clock for the RC oscillator, provides the clock source for the IO mouth, and its interface is abundant, powerful for receiving processing the data information that gesture recognition module sent to and the display content of control electronic paper display module.

Furthermore, the gesture recognition module is an ATK-PAJ7620 gesture recognition module P1, a pin 1 of the ATK-PAJ7620 gesture recognition module P1 is connected to a 5V power supply, a pin 2 is grounded, a pin 3 is connected to a pin 53 of the main control chip U1, and a pin 4 is connected to a pin 52 of the main control chip U1; in this embodiment, the ATK-PAJ7620 gesture recognition module P1 has 9 modules for recognizing gestures. The intelligent gesture recognition system adopts an IIC mode for communication, the recognition range is 5-15 cm, the intelligent gesture recognition system is used for recognizing and processing gestures in front and transmitting data information to the main control module for control processing, people can perform information interaction between a human and a machine without touching, and the intelligent gesture recognition system is simple in structure, convenient to operate and high in universality.

Further, the electronic paper display module is a 1.54-inch electronic paper display screen P2, a pin 1 of the electronic paper display screen P2 is connected with a 3.3V power supply, a pin 2 is grounded, a pin 3 is connected with a pin 23 of the main control chip U1, a pin 4 is connected with a pin 21 of the main control chip U1, a pin 5 is connected with a pin 20 of the main control chip U1, a pin 6 is connected with a pin 16 of the main control chip U1, a pin 7 is connected with a pin 15 of the main control chip U1, and a pin 8 is connected with a pin 17 of the main control chip U1; in this embodiment, the electronic paper display screen P2 has the advantages of low power consumption, light weight, thinness and portability, and can retain the data displayed at the last moment after the electronic paper display screen P2 is powered off, which can be half a year long, and can effectively reduce the overall power consumption of the product.

Further, the power supply module comprises a USB interface U4, a switch SW1, a voltage stabilizing chip U5, a light emitting diode D5, a resistor R9, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C8, a capacitor C9 and a capacitor C10; the 5 pin of the USB interface U4 is grounded; one end of the switch SW1 is connected with a pin 1 of the USB interface U4, the other end of the switch SW1 is divided into two paths, one path outputs a 5V power supply, and the other path is connected with a pin 3 of the voltage stabilizing chip U5; the capacitor C1, the capacitor C2 and the capacitor C3 are connected in parallel, one end of the capacitor C1, the capacitor C2 and the capacitor C3 is connected with a node between the switch SW1 and the pin 3 of the voltage stabilizing chip U5, and the other end of the capacitor C1, the capacitor C2 and the capacitor C3 is connected with a node between the pin 5 of the USB interface U4 and the ground; the pin 1 of the voltage stabilizing chip U5 is connected with a node between the pin 5 of the USB interface U4 and the ground; the 2 pins of the voltage stabilizing chip U5 are divided into two paths, one path outputs 3.3V power, the other path is connected with the anode of the light emitting diode through the resistor R9, and the cathode of the light emitting diode is connected with a node between the 5 pins of the USB interface U4 and the ground; the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C8, the capacitor C9 and the capacitor C10 are connected in parallel, one end of the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C8 and the capacitor C10 are connected in parallel, one end of the capacitor C9 is connected with a node between a pin 2 of the voltage stabilizing chip U5 and the resistor R9, and the other end of the capacitor C9 is connected with a node between the negative electrode of the light emitting diode and the ground; in this embodiment, an external power source is connected to the device through a USB interface U4 to provide a 5V power source, and the voltage regulator chip U5 is configured to convert the 5V power source into a 3.3V power source; the power supply module filters wave peaks generated by external power input through a plurality of capacitors, so that stable voltage is output, and the stability of a product is effectively improved.

Further, the alarm module comprises a triode Q1, a diode D6, a buzzer B2, a resistor R16 and a resistor R21; the anode of the diode D6 is divided into two paths, one path is connected with the pin 3 of the triode Q1, the other path is connected with the pin 2 of the buzzer B2, the cathode of the diode D6 is divided into two paths, one path is connected with a 5V power supply, and the other path is connected with the pin 1 of the buzzer B2; the pin 2 of the triode Q1 is grounded; the pin 1 of the triode Q1 is divided into two paths, one path is connected with the node between the pin 2 of the triode Q1 and the ground through the resistor R21, and the other path is connected with the pin 24 of the main control chip U1 through the resistor R16; in this embodiment, the alarm module is used for giving an alarm to remind when the device breaks down, specifically, when the device breaks down, main control module can send control command, makes triode Q1 switches on, and then drives buzzer B2 sends out sound alarm, has simple structure, design cost low grade advantage.

Further, the storage module comprises an SD memory U3, a FLASH memory U10 and an EEPROM memory U9, the SD memory U3 is electrically connected to the main control chip U1, one end of the FLASH memory U10 is electrically connected to one end of the EEPROM memory U9, the other end of the FLASH memory U10 is electrically connected to the main control chip U1, and the other end of the EEPROM memory U9 is electrically connected to the main control chip U1; in this embodiment, the SD memory U3, the FLASH memory U10, and the EEPROM memory U9 provide multiple storage modes for the product, facilitate storage of various data, and effectively improve the practicability of the product.

The utility model discloses a gesture recognition module judges through the gesture of discerning people and making, and convert corresponding data information and send for host system, host system is according to the demonstration content of received data information control electronic paper display module again, and easy operation is convenient, need not the direct contact product in the use, just can carry out human-computer interaction, can avoid people to carry virus or bacterium in the use, effectively improve the security of using, this product also can use as usual in some special periods, and the commonality is high.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. The utility model provides a non-contact human-computer interaction device based on electronic paper, its characterized in that it includes host system, power module, electronic paper display module and gesture recognition module all with the host system electricity is connected, power module provides working power supply for other modules, host system chip U1 in the host system module is STM32 series's singlechip, the gesture recognition module is ATK-PAJ7620 gesture recognition module P1, ATK-PAJ7620 gesture recognition module P1's 1 pin connects 5V power, 2 pin ground connection, 3 pin connect the 53 pin of host system chip U1, 4 pins connect the 52 pin of host system chip U1.

2. The non-contact human-computer interaction device based on electronic paper as claimed in claim 1, wherein the electronic paper display module is an electronic paper display screen P2, pin 1 of the electronic paper display screen P2 is connected to a 3.3V power supply, pin 2 is grounded, pin 3 is connected to pin 23 of the main control chip U1, pin 4 is connected to pin 21 of the main control chip U1, pin 5 is connected to pin 20 of the main control chip U1, pin 6 is connected to pin 16 of the main control chip U1, pin 7 is connected to pin 15 of the main control chip U1, and pin 8 is connected to pin 17 of the main control chip U1.

3. The non-contact human-computer interaction device based on electronic paper as claimed in claim 1, wherein the power supply module comprises a USB interface U4, a switch SW1, a voltage stabilizing chip U5, a light emitting diode D5, a resistor R9, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C8, a capacitor C9 and a capacitor C10; the 5 pin of the USB interface U4 is grounded; one end of the switch SW1 is connected with a pin 1 of the USB interface U4, the other end of the switch SW1 is divided into two paths, one path outputs a 5V power supply, and the other path is connected with a pin 3 of the voltage stabilizing chip U5; the capacitor C1, the capacitor C2 and the capacitor C3 are connected in parallel, one end of the capacitor C1, the capacitor C2 and the capacitor C3 is connected with a node between the switch SW1 and the pin 3 of the voltage stabilizing chip U5, and the other end of the capacitor C1, the capacitor C2 and the capacitor C3 is connected with a node between the pin 5 of the USB interface U4 and the ground; the pin 1 of the voltage stabilizing chip U5 is connected with a node between the pin 5 of the USB interface U4 and the ground; the 2 pins of the voltage stabilizing chip U5 are divided into two paths, one path outputs 3.3V power, the other path is connected with the anode of the light emitting diode through the resistor R9, and the cathode of the light emitting diode is connected with a node between the 5 pins of the USB interface U4 and the ground; the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C8, the capacitor C9 and the capacitor C10 are connected in parallel, one end of the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C8 and the capacitor C10 are connected in parallel, one end of the capacitor C9 is connected with a node between a pin 2 of the voltage stabilizing chip U5 and the resistor R9, and the other end of the capacitor C9 is connected with a node between the cathode of the light emitting diode and the ground.

4. The non-contact human-computer interaction device based on electronic paper as claimed in claim 1, further comprising an alarm module, wherein the alarm module comprises a transistor Q1, a diode D6, a buzzer B2, a resistor R16 and a resistor R21; the anode of the diode D6 is divided into two paths, one path is connected with the pin 3 of the triode Q1, the other path is connected with the pin 2 of the buzzer B2, the cathode of the diode D6 is divided into two paths, one path is connected with a 5V power supply, and the other path is connected with the pin 1 of the buzzer B2; the pin 2 of the triode Q1 is grounded; the pin 1 of the triode Q1 is divided into two paths, one path is connected with the node between the pin 2 of the triode Q1 and the ground through the resistor R21, and the other path is connected with the pin 24 of the main control chip U1 through the resistor R16.

5. The contactless human-computer interaction device based on electronic paper as claimed in claim 1, characterized in that it further comprises a storage module, said storage module comprises SD memory U3, FLASH memory U10 and EEPROM memory U9, said SD memory U3 is electrically connected with said main control chip U1, one end of said FLASH memory U10 is electrically connected with one end of said EEPROM memory U9, the other end is electrically connected with said main control chip U1, the other end of said EEPROM memory U9 is electrically connected with said main control chip U1.