CN110442063B - Low-power-consumption intelligent garbage can control system and control method - Google Patents

Abstract

A low-power consumption intelligent garbage can control system and a control method relate to the technical field of garbage cans. The intelligent barrel cover comprises a sound detection module, a barrel cover key control module, a power supply module, a main control module, an infrared detection module, a barrel cover opening and closing driving module and a state indication module, wherein the power supply module is respectively connected with the sound detection module, the barrel cover key control module, the infrared detection module, the barrel cover opening and closing driving module and the main control module through a power supply interface, the sound detection module, the barrel cover key control module and the infrared detection module are respectively connected at the input end of the main control module, and the barrel cover opening and closing driving module and the state indication module are connected at the output end of the main control module. The invention realizes intelligent control, adjusts the sleep (power-saving) time of the system and the starting frequency of sensors such as an infrared detection module and the like through sound detection, and can achieve a completely sleep power-saving state after long-term unmanned use. Thereby reach the purpose that greatly reduces intelligent garbage bin consumption.

Description

Low-power-consumption intelligent garbage can control system and control method

Technical Field

The invention relates to the technical field of garbage cans, in particular to a low-power-consumption intelligent garbage can control system and a control method.

Background

With the popularization of intelligent environmental sanitation equipment, various intelligent garbage cans come into the market at a time. Most infrared induction garbage bin or function singleness and power consumption on the existing market are big, and the dry battery just will be changed very fast, and rechargeable batteries such as lithium cell also need frequently to charge, very big influence the user and used experience. With some increased functionality, the power consumption of the circuit tends to increase dramatically. The function and the power consumption of the garbage can control circuit are considered as a problem which causes technical staff to feel headache, the use experience of a user is greatly influenced, and the function expansion of the existing garbage can control circuit is also limited.

Disclosure of Invention

One of the purposes of the invention is to provide a low-power-consumption intelligent garbage can control system which is reasonable in design and high in stability and can achieve the purpose of reducing the power consumption of a garbage can on the premise of meeting the requirement of intelligent control.

The technical scheme for realizing the purpose is as follows: the utility model provides a low-power consumption intelligence garbage bin control system which characterized in that: the intelligent barrel cover comprises a sound detection module, a barrel cover key control module, a power supply module, a main control module, an infrared detection module, a barrel cover opening and closing driving module and a state indication module, wherein the power supply module is respectively connected with the sound detection module, the barrel cover key control module, the infrared detection module, the barrel cover opening and closing driving module and the main control module through a power supply interface, the sound detection module, the barrel cover key control module and the infrared detection module are respectively connected at the input end of the main control module, and the barrel cover opening and closing driving module and the state indication module are connected at the output end of the main control module.

Further, the main control module is a PIC16LF single chip microcomputer, a counter with an initial value of 0 is arranged in the main control module, and WDT interruption of an internal watchdog timer is started.

Further, the power module includes a lithium ion battery, a linear voltage regulator U3, a capacitor C3, a capacitor C4, a capacitor C6, and a resistor R4, a negative electrode of the lithium ion battery, one end of the capacitor C3, the other end of the capacitor C4, the other end of the resistor R6, and one end of the resistor R4 are connected in parallel and then grounded, the other end of the capacitor C6 and a positive electrode of the lithium ion battery are both connected topin 1 of the linear voltage regulator U3,pin 2 of the linear voltage regulator U3 is grounded, the other end of the resistor R4 is connected topins 1 and 3 of the linear voltage regulator U3, the other end of the capacitor C4 is connected topin 4 of the linear voltage regulator U3, the other end of the capacitor C4 is connected topin 5 of the linear voltage regulator U3, andpin 5 of the linear voltage regulator U3 is connected to a power interface of the sound detection module, the barrel cover key control module, the infrared detection module, the barrel cover opening and closing drive module, and the main control module.

Further, the infrared detection module comprises a triode Q1, a triode Q2, an infrared emission tube IR1, an infrared receiving head VS, a capacitor C9 and a resistor R5, the infrared receiving module comprises a resistor R6, a resistor R7, a resistor R11 and a resistor R11, wherein one end of the resistor R11 is connected with apin 10 of the main control module, one end of the resistor R6 is connected with apin 9 of the main control module, the other end of the resistor R11 is connected with a pole B of a triode Q1, the other end of the resistor R6 is connected with a pole B of a triode Q2, a pole E of a triode Q1 is connected with a power module, a pole C of the triode Q1 is connected with a pole E of a triode Q2, a pole C of the triode Q2 is sequentially connected with an infrared transmitting tube IR1 and a resistor R5 in series and grounded, one end of the resistor R7 is connected with a pole C of a triode Q1, the other end of the resistor R7 is respectively connected with one end of a capacitor C9 and apin 3 of an infrared receiving head VS, the other end of a capacitor C9 is connected with apin 2 of the infrared receiving head VS and grounded, and apin 1 of the infrared receiving head VS is connected with apin 8 of the main control module.

Further, the barrel cover opening and closing driving module comprises a resistor R9, a triode Q3, a capacitor C1, a C8 and an H-bridge motor driving chip U5, one end of the resistor R9 is connected with apin 5 of the main control module, the other end of the resistor R9 is connected with a pin B of the triode Q3, a pin E of the triode Q3 is connected with the power module, a pin C of the triode Q3 is connected with apin 5 of the H-bridge motor driving chip U5, thepin 5 of the H-bridge motor driving chip U5 is also connected with the capacitor C8 and grounded, apin 4 of the H-bridge motor driving chip U5 is connected with apin 6 of the main control module, apin 3 of the H-bridge motor driving chip U5 is connected with apin 7 of the main control module, apin 2 of the H-bridge motor driving chip U5 is connected with the ground, and two ends of the capacitor C1 are connected between apin 1 and apin 6 of the H-bridge motor driving chip U5.

Further, the sound detection module includes electret condenser microphone MIC, resistance R1, electric capacity C2, and 2 feet of electret condenser microphone MIC are ground connection, and 1 foot of electret condenser microphone MIC connects resistance R1, the one end of electric capacity C2 respectively, and power module is connected to resistance R1's the other end, and 11 feet of main control module are connected to electric capacity C2's the other end.

Further, the barrel cover KEY control module comprises a normally open KEY1 and a resistor R2, one end of the normally open KEY1 is grounded, the other end of the normally open KEY1 is connected with one end of the resistor R2 and thepin 2 of the main control module, and the other end of the resistor R2 is connected with the power supply module.

Further, the state indicating module comprises a red LED lamp, a green LED lamp and two current-limiting resistors R14 and R15, the negative ends of the red LED lamp and the green LED lamp are connected in parallel and grounded, the anode of the red LED lamp is connected with the resistor R14 in series and then connected with the 4 pins of the main control module, and the anode of the green LED lamp is connected with the resistor R15 in series and then connected with the 3 pins of the main control module.

The invention also aims to provide a control method of the low-power-consumption intelligent garbage can, which comprises the following steps:

s1, initializing the system;

s2, the system enters a sleep mode except for the voice detection module;

s3, the sound detection module continuously detects the sound signal, and if the sound signal is detected, the step goes to S4, and if the sound signal is not detected, the step goes to S2;

s4, waking up the main control module through an INT peripheral interrupt pin of the main control module, starting the watchdog timer to interrupt, resetting a counter in the main control module, and resetting the watchdog timer to an initial value;

s5, the main control module detects whether the watchdog timer is started to interrupt, if yes, the step goes to S6, and if not, the step goes to S2;

s6, waking up the watchdog after one sleep period is finished;

s7, the main control module detects whether the barrel cover key control module is triggered, if so, the step is switched to S8, and if not, the step is switched to the step 12;

s8, a red LED lamp of the state indicating module is turned on, and the dustbin cover opening and closing driving module is controlled to drive the dustbin cover to be opened;

s9, the system enters the sleep mode again except the voice detection module;

s10, waking up the watchdog again after the sleep cycle is finished;

s11, the main control module detects whether the barrel cover key control module is triggered, if so, the step goes to S16, and if not, the step goes to S9;

s12, starting an infrared detection module, and turning to the step S13 if the human body is detected to be close, or turning to the step 18 if the human body is not detected to be close;

s13, a red LED lamp of the state control indication module is turned on, and the dustbin cover is driven to be opened through the dustbin cover opening and closing driving module;

s14, delaying the system for 3 seconds;

s15, the infrared detection module is started, if the human body is detected to approach, the step S14 is carried out, and if the human body is not detected to approach, thestep 16 is carried out;

s16, controlling the barrel cover opening and closing driving module to drive the garbage barrel cover to close, and turning on a green LED lamp and turning off a red LED lamp of the state indicating module;

s17, after delaying for 1 second, turning off the green LED lamp and the infrared detection module, and turning to the step S2;

s18, adding 1 to a counter in the main control module;

s19, the main control module detects whether the value of the counter is larger than 1000, if yes, the step goes to S20, and if not, the step goes to S2;

s20, the main control module detects whether the set value of the watchdog timer reaches the maximum value allowed to be set, if yes, the step is switched to S21, and if not, the step is switched to S22;

s21, closing the watchdog interrupt, and controlling the system to enter a sleep mode except the voice detection module;

s22, the watchdog timer setting value is doubled, and the process goes to step S2.

Further, the sleep mode comprises the steps that the main control module enters the sleep mode, the infrared detection module power supply control triode Q1 is turned off, the barrel cover closing and opening driving module power supply control triode Q3 is turned off, and the closing state indicating module outputs.

The invention has the beneficial effects that:

the invention realizes intelligent control, adjusts the sleep (power-saving) time of the system and the starting frequency of sensors such as an infrared detection module and the like through sound detection, and can achieve a completely sleep power-saving state after long-term unmanned use. Thereby reach the purpose that greatly reduces intelligent garbage bin consumption.

The power supplies of an infrared transmitting tube IR1 and an infrared receiving head VS of the infrared detection module are controlled to be switched on and off by the main control module through a triode Q1, the power supplies of an H-bridge motor driving chip U5 of the barrel cover opening and closing driving module are controlled to be switched on and off by the main control module through a triode Q3, and current loss of the infrared receiving head and the H-bridge motor driving chip in standby is effectively reduced.

Drawings

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

FIG. 2 is a circuit diagram of the invention;

FIG. 3 is a flow chart of the present invention;

fig. 4 is a schematic structural diagram of the trash can.

Detailed Description

The invention discloses a low-power-consumption intelligent garbage can control system and a control method, which are used for achieving intelligent control and reducing the power consumption of an intelligent garbage can.

Fig. 4 is a brief structure schematic diagram of garbage bin, specifically including staving 1 and thebung 2 of connection on staving 1, install the bung that drives 2 switches of bung in thestaving 1 and open andclose motor 3, the bung opens and closesmotor 3drive 2 switches of bung and be current maturation technology, specific structure is no longer repeated, still installsound detection module 4 on the staving 1 of 2 peripheries of bung, bungbutton control module 5,infrared detection module 6,status indication module 7,install power module 8 in thestaving 1,host system 9, the bung opens andclose drive module 10, can set up the mounting groove on thestaving 1, and withpower module 8,host system 9, the bung opens and closes indrive module 10's the mounting groove.

As shown in fig. 1, low-power consumption intelligent garbage bin control system includessound detection module 4, bungbutton control module 5,power module 8,host system 9,infrared detection module 6,drive module 10 andstatus indication module 7 are opened and close to the bung,power module 8 respectively withsound detection module 4, bungbutton control module 5,infrared detection module 6,drive module 10 is opened and close to the bung,host system 9's power source interface connection,sound detection module 4, bungbutton control module 5,infrared detection module 6 connects the input athost system 9 respectively,drive module 10 is opened and close to the bung,status indication module 7 connects the output athost system 9.

Themain control module 9 is a single chip microcomputer with the model number of PIC16LF, a counter with the initial value of 0 is arranged in themain control module 9, and WDT (watchdog timer) interrupt pins and INT peripheral interrupt pins of an internal watchdog timer are started.

Thepower module 8 comprises a lithium ion battery BAT, a voltage stabilizer U3, a capacitor C3, a capacitor C4, a capacitor C6 and a resistor R4, the negative electrode of the lithium ion battery, one end of the capacitor C3, one end of the capacitor C4, one end of the resistor C6 and one end of the resistor R4 are grounded after being connected in parallel, the other end of the capacitor C6 and the positive electrode of the lithium ion battery are both connected with apin 1 of the linear voltage stabilizer U3, apin 2 of the linear voltage stabilizer U3 is grounded, the other end of the resistor R4 is connected withpins 1 and 3 of the linear voltage stabilizer U3 respectively, the other end of the capacitor C4 is connected with apin 4 of the linear voltage stabilizer U3, the other end of the capacitor C4 is connected with apin 5 of the linear voltage stabilizer U3, and thepin 5 of the linear voltage stabilizer U3 is connected with a power interface of thesound detection module 4, the barrel coverkey control module 5, theinfrared detection module 6, the barrel cover opening andclosing drive module 10 and themain control module 9 respectively.

The working principle of the power supply module is as follows: u3 is low dropout regulator LDO, turns into standard DC3.3V power with battery BAT power, and electric capacity C4 is used for reference noise reduction, and electric capacity C6 is used for input filtering, and electric capacity C3 is used for output filtering, and R4 resistance is used for enabling signal pull-down.

Theinfrared detection module 6 comprises a triode Q1, a triode Q2, an infrared emission tube IR1, an infrared receiving head VS, a capacitor C9, a resistor R5, a resistor R6, a resistor R7 and a resistor R11, one end of the resistor R11 is connected with apin 10 of themain control module 9, one end of the resistor R6 is connected with apin 9 of themain control module 9, the other end of the resistor R11 is connected with a pin B of the triode Q1, the other end of the resistor R6 is connected with a pin B of the triode Q2, a pin E of the triode Q1 is connected with the power module, a pin C of the triode Q1 is connected with a pin E of the triode Q2, a pin C of the triode Q2 is sequentially connected with the infrared emission tube IR1 and the resistor R5 in series and is grounded, one end of the resistor R7 is connected with a pin C of the triode Q1, the other end of the resistor R7 is respectively connected with one end of the capacitor C9 and apin 3 of the infrared receiving head VS, the other end of the capacitor C9 is connected with apin 2 of the infrared receiving head VS and is grounded, and thepin 1 of the infrared receiving head VS is connected with apin 8 of the main control module.

The working principle of the infrared detection module is as follows: themain control module 9 drives the triode Q1 to be switched on and off through the R11 resistor, and when the triode Q1 is switched on, theinfrared detection module 6 is powered on and starts to work; themain control module 9 drives the triode Q2 to be switched on and off through a resistor R6 at the frequency of 38KHz, so that the infrared emission tube IR1 emits infrared waves of 38KHz, and the resistor R5 is a current-limiting resistor of the infraredemission tube IR 1; infrared waves are reflected by a human body and are sensed by the infrared receiving head VS, signals are fed back to themain control module 9 through thepin 1 of the infrared receiving head VS, the capacitor C9 is used for filtering the signals, and the detection is completed at the last time.

The barrel cover opening andclosing driving module 10 comprises a resistor R9, a triode Q3, capacitors C1, C8 and an H-bridge motor driving chip U5, one end of the resistor R9 is connected with apin 5 of the main control module, the other end of the resistor R9 is connected with a pin B of the triode Q3, a pin E of the triode Q3 is connected with the power supply module, a pin C of the triode Q3 is connected with apin 5 of the H-bridge motor driving chip U5, apin 5 of the H-bridge motor driving chip U5 is also connected with the capacitor C8 and grounded, apin 4 of the H-bridge motor driving chip U5 is connected with apin 6 of the main control module, apin 3 of the H-bridge motor driving chip U5 is connected with apin 7 of the main control module, two ends of the capacitor C1 are connected betweenpins 1 and 6 of the H-bridge motor driving chip U5, and the barrel cover opening and closingmotor 3 is connected with two ends of the capacitor C1.

The operating principle of the barrel cover opening and closing module is as follows: when the barrel cover needs to be opened or closed, themain control module 9 drives the triode Q3 through the resistor R9 to control the power supply of the H-bridge motor driving chip U5 to enable the chip to be powered, and the capacitor C8 is used for filtering the power supply of the H-bridge motor driving chip U5; the H-bridge motor driving chip U5 directly drives the barrel cover opening and closingmotor 3, themain control module 9 drives the 3 pins and the 4 pins of the H-bridge motor driving chip U5 to realize three actions of forward rotation, reverse rotation and stopping of the barrel cover opening and closingmotor 3, and the capacitor C1 is used for driving the barrel cover opening and closingmotor 3 to drive and filter.

Thesound detection module 4 comprises an electret condenser microphone MIC, a resistor R1 and a capacitor C2, wherein apin 2 of the electret condenser microphone MIC is grounded, apin 1 of the electret condenser microphone MIC is respectively connected with one ends of a resistor R1 and a capacitor C2, the other end of the resistor R1 is connected with thepower supply module 8, and the other end of the capacitor C2 is connected with a pin 11 of themain control module 9.

The working principle of the sound detection module is as follows: after sound is sensed and when the sound in the environment reaches a threshold value, the electret condenser microphone MIC is triggered, the electret condenser microphone MIC transmits a signal to themain control module 9 through an oscillation loop formed by a resistor R1 and a capacitor C2, and themain control module 9 receives and processes the signal.

The barrel coverKEY control module 5 comprises a normally open KEY1 and a resistor R2, one end of the normally open KEY1 is grounded, the other end of the normally open KEY1 is connected with one end of the resistor R2 and thepin 2 of themain control module 9, and the other end of the resistor R2 is connected with the power supply module.

Thestatus indication module 7 includes a red LED lamp D1, a green LED lamp D2, and two current-limiting resistors R14 and R15, the negative terminals of the red LED lamp D1 and the green LED lamp D2 are connected in parallel and grounded, the positive terminal of the red LED lamp D2 is connected in series with the resistor R14 and then connected to the 4 pins of the main control module, and the positive terminal of the green LED lamp D2 is connected in series with the resistor R15 and then connected to the 3 pins of themain control module 9.

The embodiment also discloses a low-power consumption intelligent garbage can control method, which comprises the following steps:

s1, initializing the system;

s2, except for thesound detection module 4, the system enters a sleep mode;

s3, thesound detection module 4 continues to detect, if the sound signal is detected, the step goes to S4, and if the sound signal is not detected, the step goes to S2;

s4, waking up themain control module 9 through an INT peripheral interrupt pin of themain control module 9, starting the watchdog timer to interrupt, resetting a counter in themain control module 9, and resetting the watchdog timer to an initial value;

s5, themain control module 9 detects whether the watchdog timer is started to interrupt, if yes, the step goes to S6, and if not, the step goes to S2;

s6, waking up the watchdog after one sleep period is finished;

s7, themain control module 9 detects whether the barrel coverkey control module 5 is triggered, if so, the step is switched to S8, and if not, the step is switched to the step 12;

s8, a red LED lamp of thestate indicating module 7 is turned on, and the cover opening and closing driving module is controlled to drive the garbage cover to open;

s9, the system enters the sleep mode again except the voice detection module;

s10, waking up the watchdog again after the sleep cycle is finished;

s11, the main control module detects whether the barrel cover key control module is triggered, if so, the step goes to S16, and if not, the step goes to S9;

s12, starting theinfrared detection module 6, if the human body is detected to approach, turning to the step S13, and if the human body is not detected to approach, turning to the step 18;

s13, controlling a red LED lamp of thestate indicating module 7 to light D1, and driving the garbage can cover to open through the can cover opening andclosing driving module 10;

s14, delaying the system for 3 seconds;

s15, theinfrared detection module 6 is started, if the human body is detected to approach, the step S14 is carried out, and if the human body is not detected to approach, thestep 16 is carried out;

s16, controlling the dustbin cover opening andclosing driving module 10 to drive the dustbin cover to close, and turning off a green LED lamp D2 and a red LED lamp D1 of the state indicating module;

s17, after delaying for 1 second, turning off the green LED lamp D2 and theinfrared detection module 6, and turning to the step S2;

s18, adding 1 to a counter in themain control module 9;

s19, themain control module 9 detects whether the value of the counter is larger than 1000, if yes, the step goes to S20, and if not, the step goes to S2;

s20, themain control module 9 detects whether the set value of the watchdog timer reaches the maximum value allowed to be set, if yes, the step goes to S21, and if not, the step goes to S22;

s21, closing the watchdog interrupt, and controlling the system to enter a sleep mode except thesound detection module 4;

s22, the watchdog timer setting value is doubled, and the process goes to step S2.

The sleep mode refers to themain control module 9 entering the sleep mode, turning off the power control triode Q1 of theinfrared detection module 6, turning off the power control triode Q3 of the barrel cover opening andclosing driving module 10, and outputting by the closingstate indicating module 7.

Claims (7)

1. The utility model provides a low-power consumption intelligence garbage bin control system which characterized in that: the intelligent barrel cover opening and closing device comprises a sound detection module, a barrel cover key control module, a power supply module, a main control module, an infrared detection module, a barrel cover opening and closing driving module and a state indication module, wherein the power supply module is respectively connected with power interfaces of the sound detection module, the barrel cover key control module, the infrared detection module, the barrel cover opening and closing driving module and the main control module;

the main control module is a PIC16LF singlechip, a counter with an initial value of 0 is arranged in the main control module, and WDT (watchdog timer) interrupt and INT (INT peripheral interrupt) pins of an internal watchdog timer are started;

the state indicating module comprises a red LED lamp, a green LED lamp and two current-limiting resistors R14 and R15, the negative ends of the red LED lamp and the green LED lamp are connected in parallel and grounded, the positive electrode of the red LED lamp is connected with a resistor R14 in series and then connected with the 4 pins of the main control module, and the positive electrode of the green LED lamp is connected with a resistor R15 in series and then connected with the 3 pins of the main control module;

the control method of the low-power consumption intelligent garbage can comprises the following steps:

s1, initializing the system;

s2, the system enters a sleep mode except for the voice detection module;

s3, the sound detection module continuously detects the sound signal, and if the sound signal is detected, the step goes to S4, and if the sound signal is not detected, the step goes to S2;

s4, waking up the main control module through an INT peripheral interrupt pin of the main control module, starting the watchdog timer to interrupt, resetting a counter in the main control module, and resetting the watchdog timer to an initial value;

s5, the main control module detects whether the watchdog timer is started to interrupt, if yes, the step goes to S6, and if not, the step goes to S2;

s6, waking up the watchdog after one sleep period is finished;

s7, the main control module detects whether the barrel cover key control module is triggered, if so, the step is switched to S8, and if not, the step is switched to the step 12;

s8, a red LED lamp of the state indicating module is turned on, and the dustbin cover opening and closing driving module is controlled to drive the dustbin cover to be opened;

s9, the system enters the sleep mode again except the voice detection module;

s10, waking up the watchdog again after the sleep cycle is finished;

s11, the main control module detects whether the barrel cover key control module is triggered, if so, the step goes to S16, and if not, the step goes to S9;

s12, starting an infrared detection module, and turning to the step S13 if the human body is detected to be close, or turning to the step 18 if the human body is not detected to be close;

s13, a red LED lamp of the state control indication module is turned on, and the dustbin cover is driven to be opened through the dustbin cover opening and closing driving module;

s14, delaying the system for 3 seconds;

s15, the infrared detection module is started, if the human body is detected to approach, the step S14 is carried out, and if the human body is not detected to approach, the step 16 is carried out;

s16, controlling the barrel cover opening and closing driving module to drive the garbage barrel cover to close, and turning on a green LED lamp and turning off a red LED lamp of the state indicating module;

s17, after delaying for 1 second, turning off the green LED lamp and the infrared detection module, and turning to the step S2;

s18, adding 1 to a counter in the main control module;

s19, the main control module detects whether the value of the counter is larger than 1000, if yes, the step goes to S20, and if not, the step goes to S2;

s20, the main control module detects whether the set value of the watchdog timer reaches the maximum value allowed to be set, if yes, the step is switched to S21, and if not, the step is switched to S22;

s21, closing the watchdog interrupt, and controlling the system to enter a sleep mode except the voice detection module;

s22, the watchdog timer setting value is doubled, and the process goes to step S2.

2. The low-power consumption intelligent garbage can control system according to claim 1, characterized in that: the power module comprises a lithium ion battery, a linear voltage regulator U3, a capacitor C3, a C4, a C6 and a resistor R4, the negative electrode of the lithium ion battery, a capacitor C3, a C4, a C6 and one end of the resistor R4 are grounded after being connected in parallel, the other end of the capacitor C6 and the positive electrode of the lithium ion battery are both connected with a pin 1 of the linear voltage regulator U3, a pin 2 of the linear voltage regulator U3 is grounded, the other end of the resistor R4 is connected with pins 1 and 3 of the linear voltage regulator U3 respectively, the other end of the capacitor C4 is connected with a pin 4 of the linear voltage regulator U3, the other end of the capacitor C4 is connected with a pin 5 of the linear voltage regulator U3, and the pin 5 of the linear voltage regulator U3 is connected with a power interface of a sound detection module, a barrel cover key control module, an infrared detection module, a barrel cover opening and closing drive module and a main control module respectively.

3. The low-power consumption intelligent garbage can control system according to claim 1, characterized in that: the infrared detection module comprises a triode Q1, a triode Q2, an infrared transmitting tube IR1, an infrared receiving head VS, a capacitor C9, a resistor R5, a resistor R6, a resistor R7 and a resistor R11, one end of the resistor R11 is connected with a pin 10 of the main control module, one end of a resistor R6 is connected with a pin 9 of the main control module, the other end of a resistor R11 is connected with a pole B of a triode Q1, the other end of the resistor R6 is connected with a pole B of a triode Q2, a pole E of a triode Q1 is connected with a power supply module, a pole C of a triode Q1 is connected with a pole E of a triode Q2, a pole C of a triode Q2 is sequentially connected with an infrared emission tube IR1 and the resistor R5 in series and is grounded, one end of a resistor R7 is connected with a pole C of the triode Q1, the other end of a resistor R7 is respectively connected with one end of a capacitor C9 and a pin 3 of an infrared receiving head VS, the other end of the capacitor C9 is connected with a pin 2 of the infrared receiving head VS and is grounded, and a pin 1 of the infrared receiving head VS is connected with a pin 8 of the main control module.

4. The low-power consumption intelligent garbage can control system according to claim 1, characterized in that: the barrel cover opening and closing driving module comprises a resistor R9, a triode Q3, capacitors C1, C8 and an H-bridge motor driving chip U5, one end of the resistor R9 is connected with a pin 5 of the main control module, the other end of the resistor R9 is connected with a pin B of the triode Q3, a pin E of the triode Q3 is connected with the power module, a pin C of the triode Q3 is connected with a pin 5 of the H-bridge motor driving chip U5, a pin 5 of the H-bridge motor driving chip U5 is also connected with the capacitor C8 and grounded, a pin 4 of the H-bridge motor driving chip U5 is connected with a pin 6 of the main control module, a pin 3 of the H-bridge motor driving chip U5 is connected with a pin 7 of the main control module, a pin 2 of the H-bridge motor driving chip U5 is connected with the ground, and two ends of the capacitor C1 are connected between a pin 1 and a pin 6 of the H-bridge motor driving chip U5.

5. The low-power consumption intelligent garbage can control system according to claim 1, characterized in that: the sound detection module comprises an electret condenser microphone MIC, a resistor R1 and a capacitor C2, wherein a pin 2 of the electret condenser microphone MIC is grounded, a pin 1 of the electret condenser microphone MIC is respectively connected with one ends of a resistor R1 and a capacitor C2, the other end of the resistor R1 is connected with a power supply module, and the other end of the capacitor C2 is connected with a pin 11 of a main control module.

6. The low-power consumption intelligent garbage can control system according to claim 1, characterized in that: the barrel cover KEY control module comprises a normally open KEY KEY1 and a resistor R2, one end of the normally open KEY KEY1 is grounded, the other end of the normally open KEY KEY1 is connected with one end of the resistor R2 and the pin 2 of the main control module respectively, and the other end of the resistor R2 is connected with the power supply module.

7. The low-power consumption intelligent garbage can control system according to claim 1, characterized in that: the sleep mode comprises the steps that the main control module enters the sleep mode, the infrared detection module power supply control triode Q1 is turned off, the barrel cover closing and opening driving module power supply control triode Q3 is turned off, and the off state indicating module outputs.

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