CN2395679Y

CN2395679Y - Intelligent suction cleaner

Info

Publication number: CN2395679Y
Application number: CN 99253148
Authority: CN
Inventors: 潘云鹤; 孙守迁; 庄越挺; 陈纯; 杨颖�; 门素琴; 江辉; 侯宏伦; 周立钢; 诸晓琴; 朱世祥; 马翔; 李棫; 荀小翔; 蔡中堂
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 1999-11-12
Filing date: 1999-11-12
Publication date: 2000-09-13
Anticipated expiration: 2009-11-12

Abstract

The utility model discloses an intelligent suction cleaner, which can emit ultrasonic wave with fixed frequency under the control of single chip computer time series and a multiway selection circuit by an ultrasonic emission circuit, wherein, ultrasonic frequency is determined by an ultrasonic pulse occurring circuit, and then an ultrasonic receiving circuit can receive ultrasonic wave reflected signal under the control of the single chip computer time series and the multiway selection circuit. After the received signal is processed by a signal processing circuit, the received signal can be input into a single chip computer for interruption foot, and finally a motor drive circuit can directly drive a motor to do the actions of correspondingly running in straight or left and right rotation. The utility model is convenient and safe, and simplifies power supply circuit, decrease power consumption, and stresses human centered design and intelligent design.

Description

Intellective dust collector

The utility model relates to the dust collector structure feature, relates in particular to a kind of intellective dust collector.

Dust catcher is the product of modern society, and purpose is to satisfy the pursuit that people were provided amenities for the people for the modern times.General dust catcher can replace traditional burnisher with enough dust removal abilities and operation eaily, and coming with appearance attractive in appearance is that family increases modernized breath, this can satisfy a part of user's primary demand really, so dust catcher has become one of electrical equipment commonly used of present family.

Yet along with the progress of society, people's work is more and more busier, and the level of consumption is more and more higher, and also owing to the generally improvement of automation appliance degree, the consumer is also more and more higher to the requirement of dust catcher simultaneously.The deficiency of dust catcher in the market mainly contains the following the following aspects that is embodied in: the dust catcher that 1) is used for floor suction, all can only plug arranged, work under the tying down of electric wire, like this for the bigger or room that barrier is many, just inconvenient especially, simultaneously children also are absolutely unsafe; 2) nearly all dust catcher all is non intelligent, can not be called automation electrical equipment, because they can only carry out work under people's manipulation, this still can not free from loaded down with trivial details housework for the people, remains inconvenient; 3) target of producer research mostly is tending towards complicated, have to make every effort to applicability strong, what have makes every effort to adjustable suction, have to make every effort to function varied, but but ignored simply, convenient, do not step out a marginal step to automation; 4) aging population is not all considered in the market orientation of dust catcher in the market, and the fact is in coming few decades, and the problem of an aging population in the China and even the world is quite serious, and therefore, this is the serious crisis of many present dust catchers;

The purpose of this utility model provides a kind of convenience, full-automatic, safe intellective dust collector.

The utility model is taked following measures in order to achieve the above object:

Intellective dust collector be by the ultrasound emission circuit under the control of single-chip microcomputer sequential and multiplexer circuit, the ultrasonic wave of emission fixed frequency, wherein supersonic frequency is determined by ultrasonic pulse generation circuit, ultrasonic then receiving circuit receives the ultrasonic reflections signal under the control of single-chip microcomputer clock signal and multiplexer circuit, after the signal that receives is for further processing through signal processing circuit, the interruption pin of input single chip circuit, carry out complicated judgement by the program of single chip circuit, calculate, and produce the Stepping Motor Control signal, at last by the direct drive motors of motor-drive circuit make corresponding craspedodrome or about the action changeed, power unit is to be provided by the power supply adjustment component, and positive and negative voltage-stabilized power supply is provided respectively; The oscillating circuit that said ultrasonic signal produces is one 555 chip, it and peripheral resistance: first resistance, the 11 resistance, the 12 resistance; First electric capacity constitutes a multivibrator jointly, and the generation of vibration is formed to first capacitor charge and discharge through first resistance, the 11 resistance, the 12 resistance by power supply.

Advantage of the present utility model:

1) similar products is compared, and our product has been stepped out the step with decision meaning towards automation, intellectuality.We focus on human oriented design from the angle of human engineering, and are convenient and safe, have fully taken into account the deficiency of the intelligent aspect of present dust catcher existence, embody the superior consciousness that strides forward to the automation aspect.

2) product of our design adopts built-in working power aspect power supply, has simplified power circuit, has reduced power consumption, has abolished plug, electric wire, thereby has overcome the relevant convenience that dust catcher on the market causes by power supply and the deficiency of security.

3) product of our design from the angle of human engineering, has been considered the problem of an aging population aspect intelligent, can find, avoid obstacle in unmanned environment automatically, seeks the direction that does not have obstacle, continues dust suction.For the people, do just gently one by " unlatchings " button, remaining work is independently finished by our intellective dust collector, thereby the progress that determines meaning is being arranged aspect the dust catcher automation.

4) product of our design is realized from concrete function, owing to adopted the stepper motor driving, makes not have dead angle and min. turning radius by freedom of movement on turning to, thereby has strengthened the reliability of working greatly; Owing to adopted advanced ultrasonic mechanism, highly sensitive, also further guaranteed the reliability of product work.

Elaborate below in conjunction with accompanying drawing:

Fig. 1 is the intellective dust collector The general frame;

Fig. 2 is the utility model pulse generating circuit figure;

Fig. 3 is the circuit diagram of the utility model single-chip microcomputer;

Fig. 4 is the utility model signal processing circuit figure.

As shown in Figure 1, at first ultrasound emission circuit 3 is under the control of single-chip microcomputer clock signal and multiplexer circuit 4, the ultrasonic wave of emission fixed frequency, wherein supersonic frequency is by 2 decisions of ultrasonic pulse generation circuit, ultrasonic then receiving circuit 5 receives the ultrasonic reflections signal under the control of single-chip microcomputer clock signal and multiplexer circuit 4, after the signal that receives is for further processing through signal processing circuit 6, input single chip circuit 1 interrupts pin, carry out complicated judgement by the program of single-chip microcomputer, calculate, and produce the Stepping Motor Control signal, at last by motor-drive circuit 7 direct drive motors make corresponding craspedodrome or about the action of commentaries on classics.Power unit is to be provided by power supply adjustment component 8, and positive and negative voltage-stabilized power supply is provided respectively.

As shown in Figure 2, the oscillating circuit that ultrasonic signal produces, its core is one 555 chip.It and peripheral resistance: resistance R 1, R11, R12; Capacitor C 1 constitutes a multivibrator jointly.The generation of vibration is discharged and recharged and forms to C1 through resistance R 1, R11, R12 by power supply VCC.

Oscillator signal is a fixing square wave of cycle, its dutycycle, be by the resistance of R1 and R11, R12 resistance and the ratio decision.By the resistance of fine setting R12, not only can regulate dutycycle, can also adjust the frequency of signal.The final ultrasonic signal that forms is through the 3 pin output of 555 chips.C2 is used for the high-frequency signal between elimination power supply and the ground.

As shown in Figure 3, the single chip machine controlling circuit of intellective dust collector is made of single-chip microcomputer and correspondent peripheral circuit.

Single-chip microcomputer output scan round signal: single-chip microcomputer selects signal (high level) to these six I/O mouth circulation output roads of 1～6 pin in the dust catcher running.Select signal by these roads, the control multichannel is selected the analog switch in the module, thereby realizes the loop control that signal transmits and receives.Wherein these three I/O mouths of 1,2,3 pin are controlled the reception of three road signals respectively; 4, these three I/O mouths of 5,6 pin are controlled the emission of three road signals respectively.Signal is handled: outside received signal is selected module through multichannel, the final 12 pin INTO end that inserts single-chip microcomputer behind the signal processing module.After single-chip microcomputer receives signal, do corresponding judgment and processing.Thereby determine the strategy that turns to.Drive the generation of signal: 21,22,23,24 pin of single-chip microcomputer and 25,26,27,28 pin are two groups of I/O mouths independently, link to each other with a four phase step motor driver through a buffer respectively.Single-chip microcomputer is according to the fixed strategy that turns to, and to two control mouthful output drive signals, the control motor realizes turning to function.

In addition, with resistance R 26, the R24 that the 9 pin RESET end of single-chip microcomputer links to each other, capacitor C 23, key switch S1 has constituted the reset circuit of single-chip microcomputer jointly.Whole system resets when S1 presses.The external crystal oscillator J1 of 18,19 pin of single-chip microcomputer and capacitor C 21, C22, the internal circuit of it and single-chip microcomputer constitutes the oscillation source of single-chip microcomputer jointly.

As shown in Figure 4, signal processing circuit, by follower, filter circuit, comparison circuit three parts are formed.Integrated transporting discharging F7 is a signal follower, and it has higher input impedance and less output impedance.Signal is by the 3 pin input of amplifier, the output of 6 pin.Output signal is followed the variation of input signal all the time.Thereby on electrical equipment, played certain isolation effect.Amplifier F5, F6 and corresponding peripheral resistance R 19, R22, R21, R2, R25, R27 and capacitor C 17, C18, C19, C20 have constituted filter circuit jointly.This filter circuit is to utilize the cut-off frequency of amplifier to be determined to realize by external capacitor.The pass band of circuit is by C17, C18, C19, the decision of C20 capacitance.

Be coupled to 2 pin of amplifier F4 through capacitor C 16 through filtered signal.Amplifier F4 and resistance R 20, R23, R28 constitute the comparator of hysteresis, comparative level by the resistance of resistance R 20, R23 and with the ratio decision of the resistance of resistance R 28.When reaching comparative level, the signal on 2 pin of amplifier F4 just produces saltus step (from low to high or from high to low) on 6 pin of amplifier F4.At last, the square wave of generation is clipped marginal signal through diode Z1, again through two buffer shapings, is sent to the interruption pin 12 of single-chip microcomputer.

Claims

1. intellective dust collector, it is characterized in that ultrasound emission circuit [3] is under the control of single-chip microcomputer clock signal and multiplexer circuit [4], the ultrasonic wave of emission fixed frequency, wherein supersonic frequency is determined by ultrasonic pulse generation circuit [2], ultrasonic then receiving circuit [5] receives the ultrasonic reflections signal under the control of single-chip microcomputer sequential and multiplexer circuit [4], after the signal that receives is for further processing through signal processing circuit [6], input single-chip microcomputer [1] interrupts pin, carry out complicated judgement by the program of single-chip microcomputer, calculate, and produce the Stepping Motor Control signal, at last by motor-drive circuit [7] directly drive motors make corresponding craspedodrome or about the action changeed, power unit is to be provided by feed regulator isolator [8], the oscillating circuit that said ultrasonic signal produces is one 555 chip, it and peripheral resistance: resistance [R1], resistance [R11], resistance [R12]; Electric capacity [C1] constitutes a multivibrator jointly, and the generation of vibration is discharged and recharged and forms to electric capacity [C1] through resistance [R1], resistance [R11], resistance [R12] by power supply VCC.

2. intellective dust collector according to claim 1, the single chip machine controlling circuit that it is characterized in that it, mainly constitute by single-chip microcomputer and correspondent peripheral circuit, single-chip microcomputer output scan round signal, single-chip microcomputer in the dust catcher running [1] selects signal to these six I/O mouth circulation output roads of 1～6 pin, select signal by these roads, the control multichannel is selected the analog switch in the module, thereby realize the loop control that signal transmits and receives, wherein these three I/O mouths of 1,2,3 pin are controlled the reception of three road signals respectively; 4, these three I/O mouths of 5,6 pin are controlled the emission of three road signals respectively; Signal is handled, and outside received signal is selected then module through multichannel, and the final 12 pin INTO end that inserts single-chip microcomputer [1] after single-chip microcomputer receives signal, is done corresponding judgment and processing behind the signal processing module, thereby determines the strategy that turns to; Drive the generation of signal, 21,22,23,24 pin of single-chip microcomputer [1] and 25,26,27,28 pin are two groups of I/O mouths independently, link to each other with a four phase step motor driver through a buffer respectively, single-chip microcomputer [1] is according to the fixed strategy that turns to, to two control mouthful output drive signals, the control motor realizes turning to function; In addition, the resistance resistance [R26], the resistance [R24] that link to each other with the 9 pin RESET end of single-chip microcomputer [1], electric capacity [C23], key switch [S1] has constituted the reset circuit of single-chip microcomputer jointly, when [S1] when pressing whole system reset, the external crystal oscillators of 18,19 pin [J1] of single-chip microcomputer and electric capacity [C21], electric capacity [C22], the internal circuit of it and single-chip microcomputer constitutes the oscillation source of single-chip microcomputer jointly.

3. a kind of intellective dust collector according to claim 1 and 2, it is characterized in that said signal processing circuit is by follower, filter circuit, comparison circuit three parts are formed, integrated transporting discharging [F7] is a signal follower, it has higher input resistance and less output impedance, signal is by the 3 pin input of amplifier, the output of 6 pin, output signal is followed the variation of input signal all the time, thereby on electrical equipment, played certain isolation effect, amplifier [F5], [F6] and corresponding peripheral resistance [R19], resistance [R22], resistance [R21], resistance [R2], resistance [R25], resistance [R27] and electric capacity [C17], electric capacity [C18], electric capacity [C19], electric capacity [C20] has constituted filter circuit jointly, the filtering characteristic of this circuit is to utilize the cut-off frequency of amplifier to be realized by the external capacitor decision, the pass band of circuit is by electric capacity [C17], [C18], [C19], the decision of [C20] capacitance, be coupled to 2 pin of amplifier [F4] through electric capacity [C16] through filtered signal, amplifier [F4] and resistance [R20], resistance [R23], resistance [R28] constitutes the comparator of hysteresis, comparative level is by resistance [R20], the resistance of resistance [R23] and with the ratio decision of the resistance of resistance [R28], when the signal on 2 pin of amplifier [F4] reaches comparative level on 6 pin of amplifier [F4] with regard to saltus step once (from low to high or from high to low), at last, the square wave that produces is clipped marginal signal through diode [Z1], through two buffer shapings, be sent to the interruption pin 12 of single-chip microcomputer again.