CN218752721U

CN218752721U - Intelligent garbage can capable of automatically identifying garbage classification

Info

Publication number: CN218752721U
Application number: CN202220561588.8U
Authority: CN
Inventors: 王茁; 肖数博; 刘思伯; 赵波; 李昕; 弓埔政
Original assignee: Dalian University of Technology
Current assignee: Dalian University of Technology
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2023-03-28
Anticipated expiration: 2032-03-15

Abstract

The utility model provides an automatic discernment waste classification's intelligent garbage bin, include: the system comprises an STM32 single chip microcomputer, a plurality of preset garbage cans corresponding to different classifications, SG90 steering engines, DFPlayer voice modules, power supply units and AI identification units, wherein the SG90 steering engines, the DFPlayer voice modules, the power supply units and the AI identification units are sequentially arranged and correspond to the garbage cans corresponding to the different classifications; the AI module identifies the garbage to be identified through a pre-trained garbage identification model, and sends an identification result to the STM32 single chip microcomputer through a serial port after the garbage is successfully identified; the STM32 singlechip controls the DFPlayer voice module, and the DFPlayer voice module is responsible for playing the recognition result of each garbage; through the switching of SG90 steering wheel drive rubbish bung, the STM32 singlechip receives through the serial ports follows rubbish classification information that AI module transmitted, and the control corresponds the steering wheel and carries out corotation, jack-up bung to through the reversal of corresponding steering wheel, the bung is closed.

Description

Intelligent garbage can capable of automatically identifying garbage classification

Technical Field

The utility model relates to the technical field, particularly, especially, relate to an automatic discernment waste classification's intelligent garbage bin.

Background

There is an intelligent garbage classification system based on Arduino and speech recognition in the current market. The existing garbage classification system in the market is composed of an Android mobile terminal APP, an HC-05 Bluetooth module and a lower computer control module. Android removes end APP and receives speech input, discerns and classifies rubbish, sends the classification result to Arduino development board through HC-05 bluetooth module, and the corresponding steering wheel of Arduino development board control rotates according to the classification result to drive and correspond categorised trash can lid and open, realize waste classification. The system is low in identification accuracy rate, the Android mobile terminal APP is required to be opened, the garbage names are input through voice, the garbage can with each garbage corresponding to the classification is opened through wireless control, and the defects that the garbage can is single in function and cannot be automatically classified exist.

SUMMERY OF THE UTILITY MODEL

In light of the above-mentioned technical problems in the background art, an intelligent trash can capable of automatically identifying trash classification is provided. The utility model discloses mainly include an automatic discernment waste classification's intelligent garbage bin, include:

the system comprises an STM32 single chip microcomputer, a plurality of preset garbage cans corresponding to different classifications, SG90 steering engines, DFPlayer voice modules, power supply units and AI identification units, wherein the SG90 steering engines, the DFPlayer voice modules, the power supply units and the AI identification units are sequentially arranged and correspond to the garbage cans corresponding to the different classifications;

the AI module identifies the garbage to be identified through a pre-trained garbage identification model, and sends an identification result to the STM32 single chip microcomputer through a serial port after the garbage is successfully identified; the STM32 single chip microcomputer controls the DFPlayer voice module, and the DFPlayer voice module is responsible for playing the recognition result of each garbage; the SG90 steering engine drives the garbage can cover to be opened and closed, the STM32 single chip microcomputer receives garbage category information transmitted from the AI module through a serial port, the corresponding steering engine is controlled to rotate forwards, the can cover is jacked up, and the can cover is closed through the reverse rotation of the corresponding steering engine.

Furthermore, the intelligent garbage can is also provided with an infrared transceiving module for detecting whether the garbage can is full through infrared emission; the infrared transceiver module is arranged at the top end of the garbage can, and when the infrared sensor detects an obstacle, the garbage can is considered to be full.

Furthermore, the intelligent garbage can is also provided with a buzzer, and the preset buzzer gives an alarm when the garbage can is full.

Further, the SG90 steering engine comprises a shell, a gear, a coreless motor, a circuit board and a position detector; the SG90 steering engine is a driver controlled by using a pulse width modulation signal PWM; the control signal period of the steering engine SG90 is 20ms, the width is 0.5 ms-2.5 ms, and the rotation angle of the steering wheel is 0-180 degrees.

Further, the intelligent garbage can is also provided with a voice recognition module;

the voice recognition module is LD3320; when the LD3320 chip works, the MICP and the MICN are connected with two ends of a port to receive voice signals, and eight interfaces LD _ P0-P7 are signal output ports and are respectively connected with a port P1 of the singlechip; LD _ IRQ is an interrupt port, after a command is sent out once, the singlechip generates a falling edge, and the signal operation is interrupted; LD _ WR and LD _ RD are write/read ports, and are connected with the CH34O module to record program codes.

Furthermore, 4 SG90 steering engines are provided.

Further, the trash cans of different classifications comprise recyclable trash cans, harmful trash cans, other trash cans and kitchen garbage cans.

Further, the maximum angle at which the lid is driven to open may be up to 90 °. Compared with the prior art, the utility model has the advantages of it is following:

the utility model provides an utilize STM32 singlechip to carry out artifical intelligent garbage bin of waste classification speech recognition control comprises STM32 singlechip, SG90 steering wheel, voice module, K210 component AI module, bee calling organ module, infrared transceiver module. K210 component AI module discernment and categorised to send the STM32 singlechip with classification result through infrared transceiver module, STM32 singlechip rotates according to the corresponding SG90 steering wheel of classification result control, thereby drive corresponding categorised garbage bin lid and open, can realize rubbish classification with synchronous voice module after corresponding garbage bin discernment. In addition, the infrared transceiving module detects that the garbage bin is full, and when the garbage bin is full, the infrared sensor arranged at the top end of the garbage bin detects an obstacle and the garbage bin is considered to be full; the buzzer is responsible for giving an alarm sound to indicate that the garbage bin is full and needs to be cleaned after the garbage bin is full. The utility model discloses the discernment rate of accuracy is high, has practical value. The utility model discloses carry out correct discernment and control to rubbish from cooking, recoverable rubbish, harmful rubbish, other rubbish and correspond categorised rubbish bung switching, this system can help the resident to carry out waste classification, improves resident waste classification efficiency, has application promotion value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a general structure diagram of the system of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Fig. 3 is the utility model discloses use STM32 single chip microcomputer system's master control central map.

Fig. 4 is a schematic diagram of the steering engine control circuit of the present invention.

Fig. 5 is the utility model discloses lower computer master control board programming flow chart.

Fig. 6 is a circuit diagram of the LD3320 of the present invention.

Fig. 7 is a circuit diagram of the present invention L9110.

Fig. 8 is a circuit diagram of the distance measuring module of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Before identifying the garbage, the K210 element AI module is used for training a garbage identification model and identifying the garbage. After identifying the garbage to be trained and the background (the background is the plane on which the recognized garbage is placed), the garbage can be rescanned again.

The utility model provides an automatic discernment waste classification's intelligent garbage bin which characterized in that includes:

the AI module identifies the garbage to be identified through a pre-trained garbage identification model, and sends an identification result to the STM32 single chip microcomputer through a serial port after the garbage is successfully identified; the STM32 singlechip controls the DFPlayer voice module, and the DFPlayer voice module is responsible for playing the recognition result of each garbage; the SG90 steering engine drives the garbage can cover to be opened and closed, the STM32 single chip microcomputer receives garbage category information transmitted from the AI module through a serial port, the corresponding steering engine is controlled to rotate forwards, the can cover is jacked up, and the can cover is closed through the reverse rotation of the corresponding steering engine.

As a preferred embodiment, the intelligent trash can in the present application further has an infrared transceiver module for detecting whether the trash can is full through infrared emission; the infrared transceiver module is arranged at the top end of the garbage can, and when the infrared sensor detects an obstacle, the garbage can is considered to be full.

In the application, the intelligent garbage can is further provided with a buzzer, and when the garbage can is full, the buzzer is preset to give an alarm.

The number of the steering engines is 4, and the steering engines are respectively steering engine 0, steering engine 1, steering engine 2 and steering engine 3. The 4 steering engines respectively and correspondingly control the opening and closing of the barrel covers of the 'recoverable garbage' garbage barrel, the 'harmful garbage' garbage barrel, the 'other garbage' garbage barrel and the 'kitchen garbage' garbage barrel. The SG90 steering engine comprises a shell, a gear, a coreless motor, a circuit board and a position detector; the SG90 steering engine is a driver controlled by using a pulse width modulation signal PWM; the comparator in the motor compares the added signal with the reference signal generated by the reference circuit to judge the rotation direction and rotation angle, so as to drive the coreless motor to rotate, and the position detector sends back a signal to judge whether the coreless motor has rotated in place. The steering engine SG90 generally uses a control signal with a period of 20ms, a width of 0.5 ms-2.5 ms and a rotation angle of 0-180 of a steering wheel.

In this application power supply adopts tall and erect data line connection 5V power of ann to carry out the external power supply.

Fig. 4 is a schematic diagram of a steering engine control circuit of the system. Wherein, STM32

singlechip digit pin

11, 9, 6, 4 are set as output mode,

control steering engine

0, 1, 2, 3 respectively. The rotation of the

steering engines

0, 1, 2 and 3 respectively controls a recyclable garbage can, a harmful garbage can, other garbage cans and kitchen garbage cans.

The STM32 single chip microcomputer is developed and completed in an integrated development environment, and the process is shown in figure 5. When a program starts, a setup function is called to initialize variables, define pin modes and the like, and the STM32 single chip microcomputer only runs once after being reset at each time. After the setup function is executed, a loop function is executed, which is continuously executed as an infinite loop process. The system finishes the definition and initialization of the steering engine Servo in a setup function, a loop function waits for garbage classification information through a serial port, once the specified information is obtained, the specified steering engine is controlled to rotate, a corresponding garbage can cover is opened, and the garbage can cover is recovered after 5 seconds, namely the garbage can cover is closed.

The LD3320 chip used by the speech recognition module is a chip that can recognize and store the speech audio data signal. As shown in fig. 6, when the LD3320 chip works normally, the MICP and MICN connection ports receive voice signals, and eight LD _ P0 to LD 7 interfaces are signal output ports and are connected to the P1 port of the single chip microcomputer respectively. The STM32 single chip microcomputer analyzes input signals to make classification recognition, and four output interfaces respectively correspond to recoverable garbage, harmful garbage, kitchen garbage and other garbage. LD _ IRQ is the interrupt port, the singlechip produces the falling edge after the order of one time is sent out, the signal operation is interrupted. LD _ WR and LD _ RD are write/read ports, and are connected with the CH34O module to record program codes.

L9110 motor control module. L9110 is a chip for controlling and driving the motor. Referring to fig. 7, the single chip microcomputer converts the voice-recognized garbage type information into electrical signals corresponding to the I/O ports (P1.0 and P1.1). P1.1 firstly sends out a certain-time electric signal, and the motor M rotates forwards and opens the corresponding garbage can door. When the garbage bin is empty for a certain time, the garbage enters the corresponding garbage bin. P1.0 sends out the same time length signal, and the motor reversal, the garbage bin door is closed.

The infrared transceiving module adopts GP2D12 infrared distance measurement. The GP2D12 is a sensor for detecting distance by using the reflection intensity of light, and can convert the distance value into a voltage value for display, so that an ADC0809 digital-to-analog converter is used to output a specific distance value. Referring to fig. 8, after the gp2d12 module inputs signals at an IN0 port, the ADC0809 digital-to-analog converter analyzes the voltage value and outputs specific values to the single chip microcomputer at a 2.1-2.8 port, and when the input value is too low, a signal lamp is lighted to give a prompt.

STM32 single chip module. Because LD3320 pronunciation module output signal of telecommunication voltage is 3.3V, this design adopts STM32 singlechip of input voltage value 2.4V-3.6V to operate as the controller. Besides the above module part is connected with the single chip microcomputer, the STM32 single chip microcomputer module also comprises a clock, a reset circuit and the like to maintain the normal operation of the single chip microcomputer module.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an automatic discernment waste classification's intelligent garbage bin which characterized in that includes:

the AI identification unit identifies the garbage to be identified through a pre-trained garbage identification model, and sends an identification result to the STM32 single chip microcomputer through a serial port after the garbage is successfully identified; the STM32 singlechip controls the DFPlayer voice module, and the DFPlayer voice module is responsible for playing the recognition result of each garbage; the SG90 steering engine drives the garbage can cover to be opened and closed, the STM32 single chip microcomputer receives garbage category information transmitted from the AI identification unit through a serial port, the corresponding steering engine is controlled to rotate forwards, the can cover is jacked up, and the can cover is closed through the reverse rotation of the corresponding steering engine.

2. The intelligent garbage can capable of automatically identifying garbage classification according to claim 1, wherein: the intelligent garbage can is also provided with an infrared receiving and transmitting module for detecting whether the garbage can is full through infrared emission; the infrared transceiver module is arranged at the top end of the garbage can, and when the infrared sensor detects an obstacle, the garbage can is considered to be full.

3. The intelligent garbage can capable of automatically identifying garbage classification according to claim 1, wherein: the intelligent garbage can is further provided with a buzzer, and the preset buzzer gives an alarm when the garbage can is full.

4. The intelligent garbage can capable of automatically identifying garbage classification according to claim 1, wherein: the SG90 steering engine comprises a shell, a gear, a coreless motor, a circuit board and a position detector; the SG90 steering engine is a driver controlled by using a pulse width modulation signal PWM; the control signal period of the SG90 steering engine is 20ms, the width is 0.5 ms-2.5 ms, and the rotation angle of the steering wheel is 0-180 degrees.

5. The intelligent garbage can capable of automatically identifying garbage classification according to claim 1, wherein: the intelligent garbage can is also provided with a voice recognition module;

the voice recognition module is LD3320; when the LD3320 chip works, the MICP and the MICN are connected with two ends of a port to receive voice signals, and eight interfaces LD _ P0-P7 are signal output ports and are respectively connected with a port P1 of the singlechip; the LD _ IRQ is an interrupt port, and after a primary instruction is sent out, the single chip generates a falling edge and the signal operation is interrupted; LD _ WR and LD _ RD are writing and reading ports, and are connected with the CH34O module to record program codes.

6. The intelligent garbage can capable of automatically identifying garbage classification according to claim 1, wherein: the SG90 steering engine is provided with 4.

7. The intelligent garbage can capable of automatically identifying garbage classification according to claim 1, wherein: the trash cans of different classifications comprise recyclable trash cans, harmful trash cans, other trash cans and kitchen garbage cans.

8. The intelligent garbage can capable of automatically identifying garbage classification according to claim 1, wherein: the maximum angle at which the lid is driven to open can be up to 90 deg..