CN114906513A - Microwave induction garbage collection device - Google Patents

Microwave induction garbage collection device Download PDF

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Publication number
CN114906513A
CN114906513A CN202210438396.2A CN202210438396A CN114906513A CN 114906513 A CN114906513 A CN 114906513A CN 202210438396 A CN202210438396 A CN 202210438396A CN 114906513 A CN114906513 A CN 114906513A
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China
Prior art keywords
control
chip
circuit
resistor
microwave
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Inventor
汤剑刚
何飞飞
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Ningbo Yingxin Microelectronics Technology Co ltd
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Ningbo Yingxin Microelectronics Technology Co ltd
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Priority to CN202210438396.2A priority Critical patent/CN114906513A/en
Publication of CN114906513A publication Critical patent/CN114906513A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65FGATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00Refuse receptacles; Accessories therefor
    • B65F1/14Other constructional features; Accessories
    • B65F1/16Lids or covers
    • B65F1/1623Lids or covers with means for assisting the opening or closing thereof, e.g. springs
    • B65F1/1638Electromechanically operated lids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65FGATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F2210/00Equipment of refuse receptacles
    • B65F2210/168Sensing means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention discloses a microwave-induced garbage collection device, which integrates a microwave transceiver, a radar intermediate frequency amplification circuit, a signal processor and the like on a single chip at the same time, and has good consistency and ultrahigh cost performance; because the self-adaptive calibration algorithm is integrated on the chip, various interference problems can be effectively solved, and the reliability and the practicability of the sensor are greatly improved; an ultra-low power consumption architecture is adopted, so that the power consumption is low and the wide voltage is supported; the chip is internally integrated with a signal processor which can directly output induction control signals, and a complete microwave induction sensor can be formed by matching a small number of components on the periphery; the manual control can be reduced, when a person enters the detection range of the device, the microwave detector works to open the garbage collection device, and when the person leaves the detection range, the garbage collection device is automatically closed.

Description

Microwave induction garbage collection device
Technical Field
The invention relates to the technical field of wireless communication, in particular to a microwave-induced garbage collection device.
Background
People feel that the trash can cover is dirty and unwilling to touch, so that the trash can is thrown to the position near the trash can instead of being lifted into the trash can, dirty objects and peculiar smell are generated near the trash can, a person throwing the trash next is unwilling to approach the trash can, the person unwilling to open the trash can cover, more people do not throw the trash into the trash can, and the position of the trash can is dirty and has peculiar smell for a long time.
The existing traditional control mode mostly uses manual control as a main mode, and usually uses a switch (a protection switch or a manual switch in a power distribution loop or the like) arranged in a power distribution loop of an electric appliance to control the on-off of the power distribution loop so as to realize the control of a lamp switch. The excessive management ability and control mode depending on people are relatively dispersed in control and cannot be effectively managed, the real-time performance and the automation degree are too low, and the energy is greatly wasted due to poor management.
The microwave sensor is widely used for sensing detection in the fields of moving objects, liquid, gas flow and the like, microwave signals pass through a transmitting and receiving antenna device according to the Doppler principle to generate difference frequency signals, and the difference frequency signals are output by utilizing a frequency mixer to detect, so that the sensing detection of the moving objects, the liquid and the gas flow is realized, and the control purpose is achieved. The microwave sensor can work in an environment of-20-70 degrees, and has a wide temperature range and high sensing sensitivity. The microwave sensor belongs to an independent electronic component, is a circuit module group comprising a circuit board and a microwave device, has larger appearance volume, can work only by designing an active peripheral circuit during use, is mostly present on the market in the form of a composition product at present, and has certain technical requirements on object movement induction signal processing due to higher frequency of microwave detection signals, so that the application of the microwave sensor is limited.
Disclosure of Invention
The invention aims to provide a microwave-induced garbage collection device, which overcomes the problem that people are reluctant to actively open a garbage can cover to throw garbage in the prior art, has good consistency and ultrahigh cost performance compared with the traditional radar induction module, integrates an adaptive calibration algorithm on a chip, and can effectively solve the technical problems of various interferences.
A microwave inductive control device, comprising:
the microwave induction circuit is used for detecting the human body displacement distance in the external environment in real time to obtain an induction signal;
the control circuit is connected with the microwave sensing circuit and used for detecting the communication of the internal environment in real time, judging whether a communication signal is received or not, and generating a first output signal after the communication signal is received and when the sensing signal indicates that human body displacement exists;
the switch control circuit is connected with the control circuit and used for receiving a switch signal and converting the switch signal into a second output signal;
the driving output circuit is connected with the control circuit and used for driving the motor to be started according to the first output signal and the second output signal;
the power supply management circuit is respectively connected with the control circuit, the switch control circuit and the drive output circuit and is used for respectively providing power for the control circuit, the switch control circuit and the drive output circuit;
the input end and the output end of the power supply management circuit are respectively connected with the second input end and the second output end of the control circuit, the input end and the output end of the switch control circuit (1) are respectively connected with the first input end and the first output end of the control circuit, the output end of the switch control circuit is also connected with the input end of the power supply management circuit, the input end and the output end of the microwave induction circuit are respectively connected with the third input end and the third output end of the control circuit, and the input end of the drive output circuit is connected with the fourth output end of the control circuit.
In the microwave induction control device, the control circuit includes:
the first micro control chip is preset with a plurality of control pins, the working voltage of the first micro control chip is 2.5-4.8V, the working current is 50-1350 uA, and the working frequency is 10.5-10.55 GHz, and the first micro control chip is respectively connected with the power management circuit, the control circuit, the microwave induction circuit and the drive output circuit through the plurality of control pins;
the first micro control chip is respectively connected with the power supply management circuit, the control circuit, the switch control circuit, the microwave detection circuit and the drive output circuit through the plurality of control pins;
the crystal oscillator is connected with the first micro control chip through one control pin and used for providing clock frequency for the first micro control chip;
the LED indicating unit is used for displaying the starting state of the motor and comprises a resistor R6, a resistor R7 and a light-emitting diode, and the input end of the resistor R6 is connected with a control pin of the first micro-control chip.
In the microwave induction control device, the power management circuit includes:
the charging management circuit is used for detecting charging through an external triode of a charging chip, and the output end of the charging chip is connected with the control pin of the first micro-control chip;
the control power supply loop is used for coupling the direct-current voltage into a voltage-stabilizing signal according to the switching state, generating the switching state and carrying out feedback detection on the voltage-stabilizing signal;
and the filter circuit is connected with the output end of the control power supply loop and is used for filtering the stabilized voltage.
The microwave induction control device comprises a charging management circuit, wherein the charging management circuit comprises a power supply, a resistor R3, a resistor R4, a resistor 5, a capacitor C3, a diode D1, a diode D2 and a capacitor C4, the output ends of the resistor R4, the capacitor C8 and the resistor R5 are respectively connected with a control pin of the charging chip, the input ends of the capacitor C4 and the resistor R3 are respectively connected with the input end of the charging chip, the output end of the charging chip is connected with the control pin of the first micro-control chip, and the charging chip, the resistor R3 and the capacitor C3 are all grounded.
Foretell microwave induction control device, the control power supply circuit includes steady voltage chip, resistance RJ1, triode, electrolytic capacitor C1 and electric capacity C2, resistance R J1's input with electrolytic capacitor C1's input is connected respectively the control pin of steady voltage chip, electric capacity C2's input is connected the output of steady voltage chip, the output of steady voltage chip is connected the control pin of first little control chip, steady voltage chip electrolytic capacitor C1 and electric capacity C2 all ground connection.
Foretell microwave induction control device, drive output circuit includes driver chip, motor, resistance R8 and electric capacity C6, motor and electric capacity C6's input and output respectively with driver chip's first input and first output link to each other, resistance R8's input and output respectively with driver chip's second input and second output link to each other, driver chip's control pin is connected first little control chip's control pin, just driver chip ground connection.
In the microwave induction control device, the switch control circuit comprises a switch K1 and a switch K2, the switch K1 and the switch K2 are connected to the control pin of the first micro-control chip, and the switch K1 and the switch K2 are both grounded.
In the microwave induction control device, the control circuit includes:
the first micro control chip is preset with a plurality of control pins, the working voltage of the first micro control chip is 2.7-5V, the working current is 65-80 uA, the working frequency is 5725-5875 MHz, and the first micro control chip is respectively connected with the power supply circuit, the control circuit, the photosensitive detection circuit, the microwave detection circuit and the parameter adjusting output circuit through the plurality of control pins;
the first micro control chip is respectively connected with the power supply management circuit, the control circuit, the switch control circuit, the microwave detection circuit and the drive output circuit through the plurality of control pins;
the crystal oscillator is connected with the first micro control chip through one control pin and used for providing clock frequency for the first micro control chip;
the LED indicating unit is used for displaying the starting state of the motor and comprises a resistor R6 and a light-emitting diode, and the input end of the resistor R6 is connected with the control pin of the first micro-control chip.
In the microwave induction control device, the power management circuit includes:
the charging management circuit is used for detecting charging through an external pull-up resistor and a pull-down resistor of a charging chip, and the output end of the charging chip is connected with a control pin of the first micro control chip;
the control power supply loop is used for coupling the direct-current voltage into a voltage-stabilizing signal according to the switching state, generating the switching state and carrying out feedback detection on the voltage-stabilizing signal;
and the filter circuit is connected with the output end of the control power supply loop and is used for filtering the stabilized voltage.
Foretell microwave induction control device, the management circuit that charges includes power, resistance R8, resistance R9, resistance R10, electric capacity C7 and electric capacity C8, resistance R9 and resistance R10's input is connected respectively the control pin of the chip that charges, electric capacity C7 and electric capacity C8's input are connected respectively the input of the chip that charges, the output of the chip that charges is connected the control pin of first little control chip, the chip that charges, resistance R10 and electric capacity C8 all ground connection.
The microwave induction control device comprises a voltage stabilizing chip, a resistor RJ1, a switch, an electrolytic capacitor EC1 and a capacitor C3, wherein the input end of the resistor R7 is connected with the input end of the electrolytic capacitor EC1 respectively, the control pin of the voltage stabilizing chip is connected with the input end of the capacitor C3, the output end of the voltage stabilizing chip is connected with the control pin of the first micro control chip, and the electrolytic capacitor EC1 and the capacitor C3 of the voltage stabilizing chip are both grounded.
Foretell microwave induction control device, drive output circuit includes driver chip, motor, resistance R1 and electric capacity C1, motor and electric capacity C1's input and output respectively with driver chip's first input and first output link to each other, resistance R1's input and output respectively with driver chip's second input and second output link to each other, driver chip's control pin is connected first little control chip's control pin, just driver chip ground connection.
In the microwave induction control device, the switch control circuit comprises a second micro-control chip, a resistor R4, a resistor R5, a touch switch TK1, a touch switch TK2, a capacitor C4 and a capacitor C5, output ends of the resistor R4 and the touch switch TK1 are respectively connected with a first input end of the second micro-control chip, output ends of the resistor R5 and the touch switch TK2 are respectively connected with a second input end of the second micro-control chip, a control pin of the second micro-control chip is connected with a control pin of the first micro-control chip, and the second micro-control chip, the capacitor C4 and the capacitor C5 are all grounded.
In the microwave induction control device, the microwave induction circuit includes:
the microwave induction antenna is used for receiving microwave signals;
the capacitance unit is connected with the microwave induction antenna and used for filtering and outputting the microwave signal;
the amplifying unit is connected with the capacitor unit and used for amplifying and outputting the filtered microwave signals;
and the filtering component is connected with the output of the amplifying unit and is used for filtering and outputting the amplified microwave signal.
In the microwave induction control device, the amplifying unit includes a resistor R21, a resistor R22, a transistor, a resistor R23, a resistor R24, and a capacitor C21;
the gate of the transistor is connected with the capacitor unit, the resistor R1 is connected between the power management circuit and the gate, the resistor R22 is connected between the gate and the ground, the resistor R23 is connected between the power management circuit and the first conducting end of the transistor, the resistor R24 is connected between the second conducting end of the transistor and the ground, the capacitor C21 is connected in parallel with the resistor R24, and the second conducting end of the transistor outputs the amplified microwave signal.
In the microwave induction control device, the first micro control chip further includes a parameter configuration interface, the parameter configuration interface is configured to configure the working parameters of the low-power microwave radar sensor, the parameter configuration interface includes a serial interface or a parallel interface, and the working parameters include an induction distance parameter and/or a switching delay time.
In the microwave induction control device, the first micro control chip further includes digital-to-analog conversion and/or digital signal processing, so as to output the switch control signal after performing digital signal processing on the induction signal.
A microwave induction garbage collection device comprises the microwave induction control device and further comprises:
the garbage can comprises a support frame, a rotating main shaft, a winding shaft, a pull rope, a hook, a handle and a control device, wherein the rotating main shaft is arranged on the support frame, the winding shaft is arranged on the rotating main shaft, the pull rope is wound on the winding shaft, one end of the pull rope is connected with the winding shaft, the other end of the pull rope is provided with the hook, the hook is connected with a handrail on a garbage can cover, when the control device operates, the winding shaft rotates to enable the pull rope to be wound on the winding shaft/to remove the winding shaft, and the pull rope drives the hook to move so that the hook can open/close the garbage can cover; the middle part of the pull rope is provided with a metal block;
and the motor is arranged on the support frame, is connected with the rotating main shaft and is used for driving the rotating main shaft to rotate.
The technical scheme has the following advantages or beneficial effects:
the microwave-induced garbage collection device adopts a mature CMOS process, fully utilizes a digital-analog mixing technology, simultaneously integrates a microwave transceiver, a radar intermediate frequency amplification circuit, a signal processor and the like on a single chip, is a fully integrated SOC, and has good consistency and ultrahigh cost performance compared with the traditional radar induction module; because the self-adaptive calibration algorithm is integrated on the chip, various interference problems can be effectively solved, and the reliability and the practicability of the sensor are greatly improved; the control circuit board and the induction circuit board are compounded together to form the microwave sensor, circuit components are distributed around the sensor, the induction module has a compact structure, and the volume of the microwave induction module is reduced; the microwave sensor is arranged in a series capacitor body structure with an exposed polar plate, and microwave signals are coupled between the polar plates of the capacitor body, so that the signal transmission efficiency is enhanced, and the module induction sensitivity is improved; the induction module circuit board is provided with a signal amplification and control circuit, so that the induction module circuit board is convenient to be directly powered on for use. The device has strong anti-interference capability, is hardly interfered by external environmental factors such as wind, heat and the like, does not shorten the sensing distance along with the prolonging of the service time, and really realizes a reliable sensor. The device has the characteristics of automatic random time delay, full-automatic induction and the like.
Drawings
FIG. 1 is a schematic structural diagram of a microwave induction control device according to the present invention;
FIG. 2 is a schematic diagram of a microwave induction control apparatus of the present invention;
FIG. 3 is a schematic circuit diagram of a microwave induction control device according to the present invention;
FIG. 4 is a circuit schematic of another embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of the microwave sensing circuit of the present invention;
FIG. 6 is a circuit schematic of the switch control circuit of the present invention;
FIG. 7 is a circuit schematic of the drive output circuit of the present invention;
FIG. 8 is a circuit schematic of the charge management circuit of the present invention;
FIG. 9 is a circuit diagram of a control power supply circuit according to the present invention
Fig. 10 is a circuit schematic of the control circuit of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1 to 10, a microwave induction control device includes:
the microwave induction circuit 2 is used for detecting the human body displacement distance in the external environment in real time to obtain an induction signal;
the control circuit 3 is connected with the microwave induction circuit 2 and used for detecting the communication of the internal environment in real time, judging whether a communication signal is received or not, and generating a first output signal after the communication signal is received and when the induction signal indicates that human body displacement exists;
the switch control circuit 1 is connected with the control circuit 3 and used for receiving a switch signal and converting the switch signal into a second output signal;
the driving output circuit 4 is connected with the control circuit 3 and used for driving the motor to be started according to the first output signal and the second output signal;
a power management circuit 5, respectively connected to the control circuit 3, the switch control circuit 1 and the driving output circuit 4, for respectively providing power to the control circuit 3, the switch control circuit 1 and the driving output circuit 4;
wherein, power management circuit 5's input and output respectively with control circuit 3's second input and second output link to each other, on-off control circuit 1's input and output respectively with control circuit 3's first input and first output link to each other, just on-off control circuit 1's output still with power management circuit 5's input links to each other, microwave induction circuit 2's input and output respectively with control circuit 3's third input and third output link to each other, drive output circuit 4's input with control circuit 3's fourth output links to each other.
After power-on initialization, the control circuit 3 detects communication of the internal environment in real time, judges whether a communication signal is received, detects the human body displacement condition in the detection range in real time through the microwave induction circuit 2 after receiving the communication signal, obtains an induction signal and sends the induction signal to the control circuit 3. After receiving the communication signal and the sensing signal, the control circuit 3 analyzes the communication signal and the sensing signal respectively: judging whether the communication is successful or not, and starting microwave induction when the communication is successful; comparing the induction signal with a preset threshold value, and starting the function of the driving motor when the induction signal is smaller than the preset threshold value; when the induction signal is not less than the preset threshold value, the function of the driving motor is not started
And when the communication is unsuccessful, not starting microwave induction and receiving the communication signal again.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the control circuit 3 includes:
the first micro control chip 31 is preset with a plurality of control pins, the working voltage of the first micro control chip 31 is 2.5-4.8V, the working current is 50-1350 uA, the working frequency is 10.5-10.55 GHz, and the first micro control chip 31 is respectively connected with the power management circuit 5, the control circuit 3, the microwave induction circuit 2 and the drive output circuit 4 through the plurality of control pins;
the first micro control chip 31 is connected to the power management circuit 5, the control circuit 3, the switch control circuit, the microwave detection circuit 2 and the driving output circuit through the plurality of control pins;
the crystal oscillator 32 is connected with the first micro control chip 31 through one control pin and used for providing clock frequency for the first micro control chip 31;
the LED indicating unit 33 is used for displaying the on state of the motor, the LED indicating unit 33 comprises a resistor R6, a resistor R7 and a light emitting diode, and the input end of the resistor R6 is connected with the control pin of the first micro control chip 31.
The first micro control chip adopts a mature CMOS process, fully utilizes a digital-analog hybrid technology, simultaneously integrates a microwave transceiver, a radar intermediate frequency amplification circuit, a signal processor and the like on a single chip, is a fully integrated SOC, and has good consistency and ultrahigh cost performance compared with the traditional radar sensing module; the chip is defaulted to work in a frequency band of 10.5 GHz-10.55 GHz, the frequency is flexible and configurable, and various interference problems can be effectively solved due to the integration of the self-adaptive calibration algorithm on the chip, so that the reliability and the practicability of the sensor are greatly improved; the first micro-control chip integrates the LDO and adopts an ultra-low power consumption architecture, and because the power consumption is low and the wide voltage is supported, the power supply scheme directly adopts a battery for power supply and keeps a long-time standby state; the chip is internally integrated with a signal processor, can directly output induction control signals, and is matched with a small number of components at the periphery to form a complete microwave radar induction sensor.
The working principle is as follows: microwave signals generated inside the chip are amplified and radiated out through an antenna, the signals are reflected when encountering objects in the air, when the objects are in a motion state, a certain frequency difference exists between the reflected signals and the transmitted signals, namely Doppler effect, the received reflected signals and the transmitted signals are mixed to obtain corresponding intermediate frequency signals, and the intermediate frequency signals are analyzed to reversely deduce the motion information of the objects, so that the sensing function is realized.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the power management circuit 5 includes:
the charging management circuit 51 is used for detecting charging through an external triode of a charging chip, and the output end of the charging chip is connected with a control pin of the first micro control chip 31, wherein a red light indicates charging, and a green light indicates full charging;
a control power supply circuit 52 for coupling the dc voltage into a regulated signal according to a switching state, generating the switching state, and performing feedback detection on the regulated signal;
and a filter circuit 53 connected to the output terminal of the control power supply loop 52 for filtering the regulated voltage.
Further, in an embodiment of the microwave induction control device of the present invention, the charging management circuit 51 includes a power supply, a resistor R3, a resistor R4, a resistor 5, a capacitor C3, a diode D1, a diode D2, and a capacitor C4, output terminals of the resistor R4, the capacitor C8, and the resistor R5 are respectively connected to a control pin of the charging chip, input terminals of the capacitor C4 and the resistor R3 are respectively connected to an input terminal of the charging chip, an output terminal of the charging chip is connected to a control pin of the first micro-control chip 31, and the charging chip, the resistor R3, and the capacitor C3 are all grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the control power circuit 52 includes a voltage stabilizing chip, a resistor RJ1, a triode, an electrolytic capacitor C1 and a capacitor C2, an input terminal of the resistor R J1 and an input terminal of the electrolytic capacitor C1 are respectively connected to a control pin of the voltage stabilizing chip, an input terminal of the capacitor C2 is connected to an output terminal of the voltage stabilizing chip, an output terminal of the voltage stabilizing chip is connected to a control pin of the first micro control chip 31, and both the electrolytic capacitor C1 and the capacitor C2 of the voltage stabilizing chip are grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the driving output circuit 4 includes a driving chip, a motor, a resistor R8 and a capacitor C6, an input end and an output end of the motor and the capacitor C6 are respectively connected to a first input end and a first output end of the driving chip, an input end and an output end of the resistor R8 are respectively connected to a second input end and a second output end of the driving chip, a control pin of the driving chip is connected to a control pin of the first micro control chip 31, and the driving chip is grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the switch control circuit 1 includes a switch K1 and a switch K2, the switch K1 and the switch K2 are connected to the control pin of the first micro-control chip 31, and the switch K1 and the switch K2 are both grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the microwave induction circuit 2 includes:
a microwave induction antenna 21 for receiving microwave signals;
the capacitor unit 22 is connected with the microwave induction antenna 21 and used for filtering and outputting the microwave signal;
the amplifying unit 23 is connected with the capacitor unit 22, and is used for amplifying and outputting the filtered microwave signal;
and the filtering component 24 is connected with the output of the amplifying unit 23, and is used for filtering and outputting the amplified microwave signal.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the amplifying unit 23 includes a resistor R21, a resistor R22, a transistor, a resistor R23, a resistor R24, and a capacitor C21;
the gate of transistor with the electric capacity unit is connected, resistance R1 is connected power management circuit 5 with between the gate, resistance R22 is connected between gate and the ground, resistance R23 is connected power management circuit 5 with between the first end of turning on of transistor, resistance R24 is connected between the second end of turning on of transistor and ground, electric capacity C21 with resistance R24 is parallelly connected, the second end of turning on of transistor output the microwave signal after the amplification.
The amplifying unit 23 can amplify the microwave signal, and when an object is detected to be moving, the generated microwave signal is amplified by the amplifying unit 23 with controllable amplification factor, and noise signals are filtered. Because the resistor R23 and the resistor R24 are both high-precision adjustable resistors, corresponding amplification effects can be performed on different microwave signals. The adjustable amplifier can play a role in adjusting gain at this time under the assumption that microwave signals are extremely weak.
The idea of microwave induction control device circuit design is to increase microwave induction circuit module on traditional drive power supply basis, wherein the sensor module is the moving object detector who utilizes doppler effect principle to design, and it converts the microwave (physical signal) that senses into electrical signal (electric current), and the rethread amplification factor adjustable amplifier circuit carries out the filtering amplification effect, feeds back to control circuit 2 again, and control circuit 2 analyzes the signal again, can be used for control motor device.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the first micro control chip 31 further includes a parameter configuration interface, the parameter configuration interface is configured to configure operating parameters of the low power consumption microwave radar sensor, the parameter configuration interface includes a serial interface or a parallel interface, and the operating parameters include an induction distance parameter and/or a switching delay time.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the first micro control chip 31 further includes digital-to-analog conversion and/or digital signal processing, so as to output the switch control signal after performing digital signal processing on the induction signal.
In another embodiment of the present invention, the control circuit 3 includes:
the first micro control chip 31 is preset with a plurality of control pins, the working voltage of the first micro control chip 31 is 2.7-5V, the working current is 65-80 uA, the working frequency is 5725-5875 MHz, and the first micro control chip 31 is respectively connected with the power supply circuit 5, the control circuit 3, the photosensitive detection circuit 1, the microwave detection circuit 2 and the parameter adjustment output circuit 4 through the plurality of control pins;
the first micro control chip 31 is connected to the power management circuit 5, the control circuit 3, the switch control circuit, the microwave detection circuit 2 and the driving output circuit through the plurality of control pins;
the crystal oscillator 32 is connected with the first micro control chip 31 through one control pin and used for providing clock frequency for the first micro control chip 31;
and the LED indicating unit 33 is used for displaying the on state of the motor, the LED indicating unit 33 comprises a resistor R6 and a light emitting diode, and the input end of the resistor R6 is connected with the control pin of the first micro control chip 31.
The first micro control chip adopts a mature CMOS process, fully utilizes a digital-analog hybrid technology, simultaneously integrates a microwave transceiver, a radar intermediate frequency amplification circuit, a signal processor and the like on a single chip, is a fully integrated SOC, and has good consistency and ultrahigh cost performance compared with the traditional radar sensing module; the chip is defaulted to work in a 5.8GHz ISM frequency band, the frequency is flexible and configurable, and various interference problems can be effectively solved due to the integration of the self-adaptive calibration algorithm on the chip, so that the reliability and the practicability of the sensor are greatly improved; the first micro-control chip integrates the LDO and adopts an ultra-low power consumption architecture, and because the power consumption is low and the wide voltage is supported, the power supply scheme directly adopts a battery for power supply and keeps a long-time standby state; the chip is internally integrated with a signal processor, can directly output induction control signals, and is matched with a small number of components at the periphery to form a complete microwave radar induction sensor.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the power management circuit 5 includes:
the charging management circuit 51 is used for detecting charging through a charging chip external pull-up resistor and a pull-down resistor, and the output end of the charging chip is connected with the control pin of the first micro control chip 31, wherein a red light indicates charging, and a green light indicates full charging;
a control power supply circuit 52 for coupling the dc voltage into a regulated signal according to a switching state, generating the switching state, and performing feedback detection on the regulated signal;
and a filter circuit 53 connected to the output terminal of the control power supply loop 52 for filtering the regulated voltage.
Further, in an embodiment of the microwave induction control device of the present invention, the charging management circuit 51 includes a power supply, a resistor R8, a resistor R9, a resistor R10, a capacitor C7, and a capacitor C8, wherein input ends of the resistor R9 and the resistor R10 are respectively connected to a control pin of the charging chip, input ends of the capacitor C7 and the capacitor C8 are respectively connected to an input end of the charging chip, an output end of the charging chip is connected to a control pin of the first micro-control chip 31, and the charging chip, the resistor R10, and the capacitor C8 are all grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the control power circuit 52 includes a voltage stabilizing chip, a resistor RJ1, a switch, an electrolytic capacitor EC1, and a capacitor C3, an input end of the resistor R7 and an input end of the electrolytic capacitor EC1 are respectively connected to a control pin of the voltage stabilizing chip, an input end of the capacitor C3 is connected to an output end of the voltage stabilizing chip, an output end of the voltage stabilizing chip is connected to a control pin of the first micro control chip 31, and both the electrolytic capacitor EC1 and the capacitor C3 of the voltage stabilizing chip are grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the driving output circuit 4 includes a driving chip, a motor, a resistor R1 and a capacitor C1, an input end and an output end of the motor and the capacitor C1 are respectively connected to a first input end and a first output end of the driving chip, an input end and an output end of the resistor R1 are respectively connected to a second input end and a second output end of the driving chip, a control pin of the driving chip is connected to a control pin of the first micro control chip 31, and the driving chip is grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the switch control circuit 1 includes a second micro-control chip 11, a resistor R4, a resistor R5, a touch switch TK1, a touch switch TK2, a capacitor C4 and a capacitor C5, output terminals of the resistor R4 and the touch switch TK1 are respectively connected to a first input terminal of the second micro-control chip 11, output terminals of the resistor R5 and the touch switch TK2 are respectively connected to a second input terminal of the second micro-control chip 11, a control pin of the second micro-control chip 11 is connected to a control pin of the first micro-control chip 31, and the second micro-control chip 11, the capacitor C4 and the capacitor C5 are all grounded.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the microwave induction circuit 2 includes:
a microwave induction antenna 21 for receiving microwave signals;
the capacitor unit 22 is connected with the microwave induction antenna 21 and used for filtering and outputting the microwave signal;
the amplifying unit 23 is connected with the capacitor unit 22, and is used for amplifying and outputting the filtered microwave signal;
and the filtering component 24 is connected with the output of the amplifying unit 23, and is used for filtering and outputting the amplified microwave signal.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the amplifying unit 23 includes a resistor R21, a resistor R22, a transistor, a resistor R23, a resistor R24, and a capacitor C21;
the gate of transistor with the electric capacity unit is connected, resistance R1 is connected between power management circuit 5 with the gate, resistance R22 is connected between the gate and ground, resistance R23 is connected between power management circuit 5 with the first conducting terminal of transistor, resistance R24 is connected between the second conducting terminal of transistor and ground, electric capacity C21 with resistance R24 is parallelly connected, the second conducting terminal of transistor output the microwave signal after the amplification.
The amplifying unit 23 can amplify the microwave signal, and when an object is detected to be moving, the generated microwave signal is amplified by the amplifying unit 23 with controllable amplification factor, and noise signals are filtered. Because the resistor R23 and the resistor R24 are both high-precision adjustable resistors, corresponding amplification effects can be performed on different microwave signals. The adjustable amplifier can play a role in adjusting gain at this time under the assumption that microwave signals are extremely weak.
The idea of microwave induction control device circuit design is to increase microwave induction circuit module on traditional drive power supply basis, wherein the sensor module is the moving object detector who utilizes doppler effect principle to design, and it converts the microwave (physical signal) that senses into electrical signal (electric current), and the rethread amplification factor adjustable amplifier circuit carries out the filtering amplification effect, feeds back to control circuit 2 again, and control circuit 2 analyzes the signal again, can be used for control motor device.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the first micro control chip 31 further includes a parameter configuration interface, the parameter configuration interface is configured to configure operating parameters of the low power consumption microwave radar sensor, the parameter configuration interface includes a serial interface or a parallel interface, and the operating parameters include an induction distance parameter and/or a switching delay time.
Further, in a preferred embodiment of the microwave induction control device of the present invention, the first micro control chip 31 further includes digital-to-analog conversion and/or digital signal processing, so as to output the switch control signal after performing digital signal processing on the induction signal.
A microwave induction garbage collection device comprises the microwave induction control device and further comprises:
the garbage can comprises a support frame, a rotating main shaft, a winding shaft, a pull rope, a hook, a handle and a control device, wherein the rotating main shaft is arranged on the support frame, the winding shaft is arranged on the rotating main shaft, the pull rope is wound on the winding shaft, one end of the pull rope is connected with the winding shaft, the other end of the pull rope is provided with the hook, the hook is connected with a handrail on a garbage can cover, when the control device operates, the winding shaft rotates to enable the pull rope to be wound on the winding shaft/to remove the winding shaft, and the pull rope drives the hook to move so that the hook can open/close the garbage can cover; the middle part of the pull rope is provided with a metal block;
and the motor is arranged on the support frame, is connected with the rotating main shaft and is used for driving the rotating main shaft to rotate.
The front surface of the microwave induction control device comprises a radar induction chip, a transceiving antenna, a contact pin and the like, the back surface of the microwave induction control device is a reference ground of a microwave circuit and an antenna, the influence of the transceiving isolation degree on the radar bottom noise is large, the isolation degree between the transceiving antennas is considered particularly during layout, electromagnetic field simulation needs to be carried out on the miniaturized double-fed antenna aiming at the antenna isolation degree, in addition, a double-antenna form can be adopted under the condition that the size is allowed, and the distance between the transceiving antennas is pulled open as much as possible to ensure the optimization of the antenna performance.
Microwave signals generated inside the chip are amplified and radiated out through an antenna, the signals are reflected when encountering objects in the air, when the objects are in a motion state, a certain frequency difference exists between the reflected signals and the transmitted signals, namely Doppler effect, the received reflected signals and the transmitted signals are mixed to obtain corresponding intermediate frequency signals, and the intermediate frequency signals are analyzed to reversely deduce the motion information of the objects, so that the sensing function is realized.
During operation, the induction mode is entered: when a person moves within the sensing range of 0.5m, the green light can be turned on, and the garbage collection device is automatically opened. And (5) continuously sensing no person for 5 seconds, turning off the green light, and automatically closing the cover of the garbage collection device. Induction range: when the hanging height is 3m, the sensing radius is 8-9m, and the sensing ambient brightness is more than 15 Lux.
The garbage collection device of this application embodiment uses amplifier circuit to amplify the filtering action to the microwave, makes under extreme place and the extreme condition, and faint microwave signal is unlikely to lose and can't be detected, has increased the stability and the reliability that detect, compares the reliability with traditional infrared induction feedback circuit and is higher. In addition, the microwave induction can penetrate through partial non-metal object induction, is particularly suitable for being hidden and installed in the lamp, is wide in application range, and can be matched with various common lamps to form the microwave induction lamp.
In conclusion, the microwave-induced garbage collection device adopts a mature CMOS process, fully utilizes a digital-analog mixing technology, integrates a microwave transceiver, a radar intermediate-frequency amplification circuit, a signal processor and the like on a single chip, is a fully integrated SOC, and has good consistency and ultrahigh cost performance compared with the traditional radar induction module; because the self-adaptive calibration algorithm is integrated on the chip, various interference problems can be effectively solved, and the reliability and the practicability of the sensor are greatly improved; the control circuit board and the induction circuit board are compounded together to form the microwave sensor, circuit components are distributed around the sensor, the induction module has a compact structure, and the volume of the microwave induction module is reduced; the microwave sensor is arranged in a tandem capacitor body structure with exposed electrode plates, microwave signals are coupled among the electrode plates of the capacitor body, the signal transmission efficiency is enhanced, and the module induction sensitivity is improved; the induction module circuit board is provided with a signal amplification and control circuit, so that the induction module circuit board is convenient to be directly powered on for use. The device has strong anti-interference capability, is hardly interfered by external environmental factors such as wind, heat and the like, does not shorten the sensing distance along with the prolonging of the service time, and really realizes a reliable sensor. The device has the characteristics of automatic random time delay, full-automatic induction and the like.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims (16)

1. A microwave induction control apparatus, comprising:
the microwave induction circuit (2) is used for detecting the human body displacement distance in the external environment in real time to obtain an induction signal;
the control circuit (3) is connected with the microwave sensing circuit (2) and used for detecting the communication of the internal environment in real time, judging whether a communication signal is received or not, and generating a first output signal when the communication signal is received and the sensing signal indicates that human body displacement exists;
the switch control circuit (1) is connected with the control circuit (3) and used for receiving a switch signal and converting the switch signal into a second output signal;
the driving output circuit (4) is connected with the control circuit (3) and used for driving the motor to be started according to the first output signal and the second output signal;
the power supply management circuit (5) is respectively connected with the control circuit (3), the switch control circuit (1) and the drive output circuit (4) and is used for respectively providing power for the control circuit (3), the switch control circuit (1) and the drive output circuit (4);
wherein, the input and the output of power management circuit (5) respectively with the second input and the second output of control circuit (3) link to each other, the input and the output of on-off control circuit (1) respectively with the first input and the first output of control circuit (3) link to each other, just the output of on-off control circuit (1) still with the input of power management circuit (5) links to each other, the input and the output of microwave induction circuit (2) respectively with the third input and the third output of control circuit (3) link to each other, the input of drive output circuit (4) with the fourth output of control circuit (3) links to each other.
2. Microwave induction control device according to claim 1, characterized in that the control circuit (3) comprises:
the first micro control chip (31) is preset with a plurality of control pins, the working voltage of the first micro control chip (31) is 2.5-4.8V, the working current is 50-1350 uA, the working frequency is 10.5-10.55 GHz, and the first micro control chip (31) is respectively connected with the power management circuit (5), the control circuit (3), the microwave induction circuit (2) and the drive output circuit (4) through the plurality of control pins;
the first micro control chip (31) is respectively connected with the power management circuit (5), the control circuit (3), the switch control circuit, the microwave detection circuit (2) and the drive output circuit through the plurality of control pins;
the crystal oscillator (32) is connected with the first micro control chip (31) through one control pin and is used for providing clock frequency for the first micro control chip (31);
the LED indicating unit (33) is used for displaying the state of the motor on, the LED indicating unit (33) comprises a resistor R6, a resistor R7 and a light-emitting diode, and the input end of the resistor R6 is connected with the control pin of the first micro-control chip (31).
3. Microwave induction control device according to claim 2, characterized in that the power management circuit (5) comprises:
the charging management circuit (51) is used for detecting charging through an external triode of a charging chip, and the output end of the charging chip is connected with a control pin of the first micro-control chip (31);
a control power supply loop (52) for coupling the DC voltage into a regulated signal according to a switching state, generating the switching state, and performing feedback detection on the regulated signal;
and the filter circuit (53) is connected with the output end of the control power supply loop (52) and is used for filtering the regulated voltage.
4. The microwave induction control device according to claim 3, wherein the charging management circuit (51) comprises a power supply, a resistor R3, a resistor R4, a resistor 5, a capacitor C3, a diode D1, a diode D2 and a capacitor C4, the output terminals of the resistor R4, the capacitor C8 and the resistor R5 are respectively connected with the control pin of the charging chip, the input terminals of the capacitor C4 and the resistor R3 are respectively connected with the input terminal of the charging chip, the output terminal of the charging chip is connected with the control pin of the first micro-control chip (31), and the charging chip, the resistor R3 and the capacitor C3 are all grounded.
5. The microwave induction control device according to claim 3, characterized in that the control power supply loop (52) comprises a voltage stabilizing chip, a resistor RJ1, a triode, an electrolytic capacitor C1 and a capacitor C2, wherein the input end of the resistor R J1 and the input end of the electrolytic capacitor C1 are respectively connected with the control pin of the voltage stabilizing chip, the input end of the capacitor C2 is connected with the output end of the voltage stabilizing chip, the output end of the voltage stabilizing chip is connected with the control pin of the first micro control chip (31), and the electrolytic capacitor C1 and the capacitor C2 of the voltage stabilizing chip are both grounded.
6. The microwave induction control device according to claim 3, characterized in that the driving output circuit (4) comprises a driving chip, a motor, a resistor R8 and a capacitor C6, wherein the input and output terminals of the motor and the capacitor C6 are respectively connected with the first input terminal and the first output terminal of the driving chip, the input and output terminals of the resistor R8 are respectively connected with the second input terminal and the second output terminal of the driving chip, the control pin of the driving chip is connected with the control pin of the first micro control chip (31), and the driving chip is grounded.
7. Microwave induction control device according to claim 2, characterized in that the switch control circuit (1) comprises a switch K1 and a switch K2, the switch K1 and the switch K2 being connected to the control pin of the first micro control chip (31), and the switch K1 and the switch K2 being both connected to ground.
8. Microwave induction control device according to claim 1, characterized in that the control circuit (3) comprises:
the first micro control chip (31) is preset with a plurality of control pins, the working voltage of the first micro control chip (31) is 2.7-5V, the working current is 65-80 uA, the working frequency is 5725-5875 MHz, and the first micro control chip (31) is respectively connected with the power supply circuit (5), the control circuit (3), the photosensitive detection circuit (1), the microwave detection circuit (2) and the parameter adjustment output circuit (4) through the plurality of control pins;
the first micro control chip (31) is respectively connected with the power management circuit (5), the control circuit (3), the switch control circuit, the microwave detection circuit (2) and the drive output circuit through the plurality of control pins;
the crystal oscillator (32) is connected with the first micro control chip (31) through one control pin and is used for providing clock frequency for the first micro control chip (31);
the LED indicating unit (33) is used for displaying the on state of the motor, the LED indicating unit (33) comprises a resistor R6 and a light emitting diode, and the input end of the resistor R6 is connected with the control pin of the first micro control chip (31).
9. Microwave induction control device according to claim 8, characterized in that the power management circuit (5) comprises:
the charging management circuit (51) is used for detecting charging through an external pull-up resistor and a pull-down resistor of a charging chip, and the output end of the charging chip is connected with a control pin of the first micro control chip (31);
a control power supply loop (52) for coupling the DC voltage into a regulated signal according to a switching state, generating the switching state, and performing feedback detection on the regulated signal;
and the filter circuit (53) is connected with the output end of the control power supply loop (52) and is used for filtering the regulated voltage.
10. The microwave induction control device according to claim 9, wherein the charging management circuit (51) comprises a power supply, a resistor R8, a resistor R9, a resistor R10, a capacitor C7 and a capacitor C8, wherein the input terminals of the resistor R9 and the resistor R10 are respectively connected to the control pin of the charging chip, the input terminals of the capacitor C7 and the capacitor C8 are respectively connected to the input terminal of the charging chip, the output terminal of the charging chip is connected to the control pin of the first micro-control chip (31), and the charging chip, the resistor R10 and the capacitor C8 are all grounded.
11. The microwave induction control device as claimed in claim 9, wherein the control power circuit (52) comprises a voltage stabilizing chip, a resistor RJ1, a switch, an electrolytic capacitor EC1 and a capacitor C3, an input end of the resistor R7 and an input end of the electrolytic capacitor EC1 are respectively connected with a control pin of the voltage stabilizing chip, an input end of the capacitor C3 is connected with an output end of the voltage stabilizing chip, an output end of the voltage stabilizing chip is connected with a control pin of the first micro control chip (31), and the voltage stabilizing chip electrolytic capacitor EC1 and the capacitor C3 are both grounded.
12. The microwave induction control device according to claim 9, characterized in that the driving output circuit (4) comprises a driving chip, a motor, a resistor R1 and a capacitor C1, wherein the input and output terminals of the motor and the capacitor C1 are respectively connected with the first input terminal and the first output terminal of the driving chip, the input and output terminals of the resistor R1 are respectively connected with the second input terminal and the second output terminal of the driving chip, the control pin of the driving chip is connected with the control pin of the first micro control chip (31), and the driving chip is grounded.
13. Microwave inductive control device according to claim 8, characterized in that the switch control circuit (1) comprises a second micro control chip (11), a resistor R4, a resistor R5, a touch switch TK1, a touch switch TK2, a capacitor C4 and a capacitor C5, the outputs of the resistor R4 and the touch switch TK1 are connected to a first input of the second micro control chip (11), respectively, the outputs of the resistor R5 and the touch switch TK2 are connected to a second input of the second micro control chip (11), respectively, the control pin of the second micro control chip (11) is connected to the control pin of the first micro control chip (31), and the second micro control chip (11), the capacitor C4 and the capacitor C5 are all connected to ground.
14. Microwave induction control device according to claim 2 or claim 8, characterized in that the microwave induction circuit (2) comprises:
a microwave induction antenna (21) for receiving a microwave signal;
the capacitor unit (22) is connected with the microwave induction antenna (21) and is used for filtering and outputting the microwave signal;
the amplifying unit (23) is connected with the capacitor unit (22) and is used for amplifying and outputting the filtered microwave signals;
and the filtering component (24) is connected with the output of the amplifying unit (23) and is used for filtering and outputting the amplified microwave signal.
15. The microwave induction control device according to claim 14, characterized in that the amplifying unit (23) comprises a resistor R21, a resistor R22, a transistor, a resistor R23, a resistor R24 and a capacitor C21;
the gate of transistor with the electric capacity unit is connected, resistance R1 is connected power management circuit (5) with between the gate, resistance R22 is connected between gate and ground, resistance R23 is connected power management circuit (5) with between the first conducting terminal of transistor, resistance R24 is connected between the second conducting terminal of transistor and ground, electric capacity C21 with resistance R24 is parallelly connected, the second conducting terminal of transistor outputs the microwave signal after the enlargeing.
16. A microwave-responsive garbage collection apparatus including the microwave-responsive control apparatus of claims 1-15, further comprising:
the garbage can comprises a support frame, a rotating main shaft, a winding shaft, a pull rope, a hook, a handle and a control device, wherein the rotating main shaft is arranged on the support frame, the winding shaft is arranged on the rotating main shaft, the pull rope is wound on the winding shaft, one end of the pull rope is connected with the winding shaft, the other end of the pull rope is provided with the hook, the hook is connected with a handrail on a garbage can cover, when the control device operates, the winding shaft rotates to enable the pull rope to be wound on the winding shaft/to remove the winding shaft, and the pull rope drives the hook to move so that the hook can open/close the garbage can cover; the middle part of the pull rope is provided with a metal block;
and the motor is arranged on the support frame, is connected with the rotating main shaft and is used for driving the rotating main shaft to rotate.
CN202210438396.2A 2022-04-25 2022-04-25 Microwave induction garbage collection device Pending CN114906513A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115227161A (en) * 2022-08-18 2022-10-25 宁波市盈芯微电子科技有限公司 Cleaning control device and sweeping robot based on same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201660261U (en) * 2009-11-16 2010-12-01 天津市安维康家科技发展有限公司 Intelligent microwave perceptive garbage can
EP2803953A1 (en) * 2013-05-16 2014-11-19 Robert Bosch Gmbh Waste container with sensor assembly and method for monitoring a waste container
CN108322972A (en) * 2018-03-13 2018-07-24 东莞泛美光电有限公司 Microwave inductive switch circuit
CN210872166U (en) * 2019-08-28 2020-06-30 宁波市美健电子科技有限公司 Tooth cleaning equipment and control system thereof
CN112291902A (en) * 2020-09-15 2021-01-29 海洋王(东莞)照明科技有限公司 Microwave induction drive circuit, alarm and lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201660261U (en) * 2009-11-16 2010-12-01 天津市安维康家科技发展有限公司 Intelligent microwave perceptive garbage can
EP2803953A1 (en) * 2013-05-16 2014-11-19 Robert Bosch Gmbh Waste container with sensor assembly and method for monitoring a waste container
CN108322972A (en) * 2018-03-13 2018-07-24 东莞泛美光电有限公司 Microwave inductive switch circuit
CN210872166U (en) * 2019-08-28 2020-06-30 宁波市美健电子科技有限公司 Tooth cleaning equipment and control system thereof
CN112291902A (en) * 2020-09-15 2021-01-29 海洋王(东莞)照明科技有限公司 Microwave induction drive circuit, alarm and lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115227161A (en) * 2022-08-18 2022-10-25 宁波市盈芯微电子科技有限公司 Cleaning control device and sweeping robot based on same

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