CN113800146A

CN113800146A - Independent power supply intelligent classification dustbin

Info

Publication number: CN113800146A
Application number: CN202010545562.XA
Authority: CN
Inventors: 袁臣虎; 米璐晗; 董佳丽; 周佳文
Original assignee: Tianjin Polytechnic University
Current assignee: Tianjin Polytechnic University
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-12-17

Abstract

The invention relates to an independently-powered intelligent classification garbage can which comprises a photovoltaic cell panel and a main body can, wherein the main body can comprises a storage battery, a single chip microcomputer, an LCD capacitive touch display screen, a push rod motor, an identification module, a movable classification can, an ultrasonic sensor, a stepping motor and a pressure sensor. The intelligent garbage throwing device comprises two throwing modes of box body identification and classification and user classification, is combined with user intelligent equipment, greatly improves the garbage classification enthusiasm of users, realizes intelligent and efficient classification of garbage, and has good market application prospect.

Description

Independent power supply intelligent classification dustbin

Technical Field

The invention belongs to the field of environmental protection equipment, and particularly relates to an independently powered intelligent classification dustbin which is formed by an embedded microcontroller, a sensor, image recognition and electromechanical moving parts.

Background

Independent power supply intelligent classification dustbin utilizes singlechip, LCD electric capacity touch display screen, push rod motor, removes the environmental protection classification equipment that classification case, identification module, photovoltaic cell board, battery and pressure sensor constitute, and current intelligent dustbin can only be that user's automatic classification throws to equipment power supply need insert the commercial power, single power supply. Independent power supply intelligent classification dustbin is to current intelligent dustbin carry out further categorised and the power supply optimization's a novel environmental protection classification equipment, not only can realize the rubbish that automatic identification drops into and classify and put in, all carried out the omnidirectional and upgraded from hardware to software moreover, and realize independent photovoltaic, the three-terminal power supply of battery and commercial power and with rubbish classification and user software end combination, combine machinery, electron, information, new forms of energy and control etc. together, be the product that multidisciplinary is alternately and fuses.

Disclosure of Invention

In order to solve the problems, the invention aims to provide an independently-powered intelligent classification dustbin, which is applied with an image recognition module, image information is collected through camera shooting on the image recognition module, a singlechip compares the collected information with stored image information through an image recognition algorithm so as to realize the function of automatic recognition, and the singlechip controls a stepping motor and automatically puts in a corresponding rubbish placing box; the photovoltaic cell panel and the storage battery are used for supplying power to the equipment through the power conversion circuit, so that the independent power supply function is realized.

In order to achieve the purpose, the invention provides an independently-powered intelligent classification dustbin which comprises a photovoltaic cell panel, a main throwing port, an LCD display screen, an auxiliary throwing port, a rubbish placing box, a weighing pressure sensor, a push rod motor, a movable classification box, an ultrasonic sensor, a stepping motor, a circuit board, an identification camera, a power conversion assembly, a storage battery, a main control chip, a Bluetooth communication assembly, an OpenCV identification module and an electronic weighing chip.

The photovoltaic cell panel is fixed on the top end of the main box. Main part case circuit board, push rod motor, step motor, OpenCV identification module, ultrasonic sensor, battery, weighing pressure sensor settle inside the main part case. Main part case circuit board with main control chip, power conversion subassembly, bluetooth communication subassembly, electronic weighing chip integration in an organic whole. The design is standard, the structure is optimized, and the device layout is reasonable. The movable classification box integrates an ultrasonic sensor, a stepping motor and an identification camera, is arranged below the main throwing port, and is standard in design, optimized in structure and reasonable in device layout.

The main control chip is used for controlling the push rod motor, the OpenCV identification module, the weighing pressure sensor, the ultrasonic sensor and the stepping motor, and identifying, weighing and integrating and updating the user according to a set flow by acquiring, collecting and processing data. The push rod motor is used for controlling the opening, closing and closing of the box door, the stepping motor is used for controlling the movement of the movable classification box, and the ultrasonic sensor is used for detecting whether an object exists in the movable classification box or not. The OpenCV recognition module is used for recognizing the garbage type, and the weighing pressure sensor is used for being squeezed by the garbage to generate corresponding signals.

The main control chip is arranged at the right side of the PCB main control board, and a 32-bit high-performance ARMCortex-M3 STM32F1 series chip is adopted as independent power supply intelligent acquisition, acquisition and processing. The OpenCV identification module adopts an identification camera, the pixels of the camera are 1920 x 1440 pixels, the camera is arranged at the lower position of the movable classification box and the garbage placing box, and a power supply line and a signal line are connected to the main control circuit board. The push rod motor is respectively arranged in the main throwing port and the auxiliary throwing port door, and the head of the push rod is connected with the box door through a bolt. The weighing pressure sensor is of a model number N3-200. The pressure sensor is arranged at the bottom of the box body. The electronic weighing chip is HX711 in model and is connected to the weighing chip through a data line, and the weighing chip is connected to the single chip microcomputer. The ultrasonic sensor is of HC-SR04 type and is arranged at the bottom of the movable classification box body.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention

FIG. 2 is a schematic left side view of the overall structure of the present invention

FIG. 3 is a schematic diagram of a control circuit according to the present invention

FIG. 4 is a schematic view of the process of the present invention

The device comprises a photovoltaic cell panel 1, a main throwing port 2, an LCD display screen 3, an auxiliary throwing port 4, a garbage placing box 5, a weighing pressure sensor 6, a push rod motor 7, a mobile classification box 8, an ultrasonic sensor 9, a stepping motor 10, a circuit board 11, an identification camera 12, a power conversion assembly 13, a storage battery 14, a main control chip 15, a Bluetooth communication assembly 16, an OpenCV identification module 17 and an electronic weighing chip 18.

Description of specific modules

Training a recognition model: processing the image by using OpenCV, wherein the size of the zoomed image is 128 x 128, the channel is a single-channel gray image, the garbage types to be identified are possibly subjected to data processing, the number of the images subjected to data set processing is more than 500, and the type of the data set is a data set identified by Keras; constructing a convolutional neural network for training the model, and searching the garbage of the same type for training the model; after training, the four mature classification models of metal, plastic, paper and glass are loaded into the main control chip 11.

A power supply mode: and a storage battery 14 and a photovoltaic 1 power supply comprehensive power supply mode. The main power supply mode is that the photovoltaic module 1 supplies power, the photovoltaic module 1 charges the storage battery 14, the storage battery 14 is automatically disconnected after charging is completed, the storage battery 14 automatically supplies power when the photovoltaic module 1 is detected to be insufficient in power supply, the power supply modes work in a coordinated mode, and the advantages are complementary.

Main throwing port mode: when the object drops into and removes classification case 8, ultrasonic sensor 9 senses the object, make and remove the recognition camera of classification case 8 lower part and catch the object, the camera is given the photo to OpenCV recognition module 17 after taking the photo, the image that will catch is transferred to Keras identification data set and is input main control chip 11, main control chip 11 puts into the data set of input and discerns the recognition model that has saved, whole identification process needs 3 seconds, the categorised information after discernment is given to step motor 10 to main control chip 11 after discerning, thereby throw and place the case 5 at corresponding rubbish.

Auxiliary throwing port mode: when an object is thrown into the corresponding garbage placing box 5, the camera of the OpenCV identification module 17 identifies the thrown-in garbage, the captured image is converted into a Keras identification data set and is input into the main control chip 11, the main control chip 11 places the input data set into a stored identification model for identification, and the whole identification process needs 3 seconds; if the recognition result does not conform to the garbage type selected by the user, the system prompts to carry out re-putting; if the recognition result is combined with the user-selected garbage category, the system prompts "continue".

Detailed Description

The technical solution of the present invention is further explained by the following embodiments.

The novel operation and operation process of the experiment are as follows:

(1) the display screen or the mobile phone APP is connected through the Bluetooth module 16, and a user selects to log in and selects one of two throwing modes, namely a main throwing port and an auxiliary throwing port;

(2) and (3) selecting the main throwing port, opening the main throwing port 2 door by the push rod motor 7, throwing the garbage by the user, and entering a main throwing port mode.

(3) Selecting the auxiliary throwing port, and displaying icons related to various garbage types on the LCD display screen 3; a user clicks a corresponding icon according to requirements or the user can click a corresponding icon on the mobile phone APP, and then the mobile phone sends the selected icon to the Bluetooth module 16 on the main circuit board through Bluetooth; at the moment, the system can display the name of the garbage type selected by the user, the push rod motor 7 opens the corresponding auxiliary throwing port 4 door, and the user throws the garbage and enters an auxiliary throwing port mode.

(4) The garbage enters the corresponding garbage placing box 5, the weighing pressure sensor 6 at the bottom deforms due to extrusion, so that a corresponding voltage signal is generated, the voltage signal is transmitted into an HX711 chip in the electronic weighing circuit for preprocessing, then the processed signal is transmitted into the main control chip 11, and the main control chip 11 calculates the weight according to relevant operation rules; the system displays the calculation result on the interface.

(5) After obtaining the result, the user can click the icon of 'continue putting' or 'finish putting'; and (4) clicking 'continue putting', and repeating the step (1) by the user.

(6) The user clicks 'end of delivery', the system converts the weight into the integral to be displayed on the interface, the user clicks 'confirm' after confirming, and the updated account integral is displayed on the interface.

Claims

1. The independent power supply intelligent classification dustbin comprises a main body box and a photovoltaic cell panel arranged at the top end of the main body box, and is characterized in that a storage battery, a single chip microcomputer, a mobile classification box, an LCD capacitive touch display screen, an OpenCV recognition module circuit, a direct current push rod motor, a stepping motor, a motor driving circuit, a power conversion assembly, an ultrasonic sensor, a recognition camera, a power supply circuit, a Bluetooth module circuit, a weighing pressure sensor and an electronic weighing circuit are arranged on the main body box,

the single chip microcomputer is respectively connected with the Bluetooth module circuit, the motor driving circuit, the power supply circuit, the power conversion assembly and the electronic weighing circuit;

the direct current push rod motor is respectively connected with the motor drive and the power supply;

the stepping motor is respectively connected with the motor drive, the power supply and the mobile classification box;

the LCD capacitive touch display screen is respectively connected with the single chip microcomputer and the power supply circuit;

the OpenCV identification module circuit is respectively connected with the single chip microcomputer and the power supply circuit;

the Bluetooth module circuit is respectively connected with the singlechip and the power supply circuit;

the ultrasonic sensor is connected with the single chip microcomputer;

the storage battery is connected with the power conversion assembly;

the identification camera is connected with the single chip microcomputer;

and the weighing pressure sensor is connected with the electronic weighing circuit.

2. The independently powered intelligent sortation waste bin of claim 1,

the Bluetooth module type of the Bluetooth module circuit is HC-05.

3. The independently powered intelligent sortation waste bin of claim 1,

the type of the weighing pressure sensor is NA 3-200.

4. The independently powered intelligent sortation waste bin of claim 1,

the model of a driving chip of the motor driving circuit is HIP4081 AIBZ.

5. The independently powered intelligent sortation waste bin of claim 1,

the chip model of the ultrasonic sensor is HC-SR 04.

6. The independently powered intelligent sortation waste bin of claim 1,

the single chip microcomputer, the Bluetooth module circuit, the OpenCV identification module circuit, the motor driving circuit, the power supply circuit and the electronic weighing circuit which are arranged on the main body box are arranged on a main circuit board, and the main circuit board is hidden inside the main body box;

the push rod direct current motor is respectively arranged behind the main throwing port and the auxiliary throwing port of the main box;

the movable classification box is arranged below the main throwing port of the main box.

7. The independently powered intelligent sortation waste bin of claim 1,

the main body box is 1000mm in length, 700mm in width and 1500mm in height, and is divided into 4 parts, wherein the main body box comprises a main throwing port, four auxiliary throwing ports and an LCD capacitive touch display screen; the circuit placing position on the uppermost layer in the main box; a movable classification box below the main throwing port in the main box; four garbage storage boxes are arranged at the lowest part in the main box.

8. The independently powered intelligent sortation waste bin of claim 1,

the OpenCV recognition module circuit recognition cameras are respectively installed in the mobile classification box and the four garbage storage boxes, and are connected to the OpenCV recognition module circuit on the main circuit board through DuPont wires.

9. The method of using an independently powered intelligent sorting bin of claim 1,

a user logs in through an LCD capacitive touch display screen and selects two garbage throwing modes;

main throwing mouth

Throw rubbish from main throwing mouth, remove the interior ultrasonic sensor of classification incasement and monitor the object of incasement, openCV identification module discerns the rubbish of putting into, transmits the discernment result for the singlechip. And the movable classification box throws the garbage into the corresponding garbage placing box according to the recognition result.

Auxiliary throwing port

Throw rubbish from corresponding vice throw mouth, openCV identification module discerns the rubbish of putting into, transmits the discernment result for the singlechip, discerns whether rubbish is unanimous with the classification result.

The weighing pressure sensor is squeezed by garbage to generate a signal, the signal is transmitted to the electronic weighing circuit to calculate the weight, a calculation result is transmitted to the single chip microcomputer, and the single chip microcomputer converts the calculation result into a corresponding integral and counts the integral into a user account.