CN1493944A

CN1493944A - Infantile cradle bed microcomputer controller

Info

Publication number: CN1493944A
Application number: CNA031507239A
Authority: CN
Inventors: 陈乾坤; 杨述闳; 胡教明
Original assignee: YONGLI DAILY-USE ARTICLE Co Ltd NINGHAI COUNTY
Current assignee: Hangzhou good children supplies Co., Ltd.
Priority date: 2003-09-02
Filing date: 2003-09-02
Publication date: 2004-05-05
Anticipated expiration: 2023-09-02
Also published as: CN100373271C

Abstract

A microcomputerized controller for the baby cradle is composed of CPU, I/O circuit, key input circuit, swinging tracking circuit, cradle inclination circuit, baby cry sensing circuit, cradle driver, music playing and volume controlling circuit, and software.

Description

Infant cradle bed microcomputer controller

Technical field

The present invention relates to micro-computer controlling apparatus, particularly CPU is used for the multifunctional automatic controller of infant cradle and shaking table.

Background technology

Our the infant cradle majority seen is still traditional handly or foot-operated at present, and it needs artificial round-the-clock keeping an eye on basically, gives the very big muscle power of old aged people consume of nurse.For reducing the heavy burdens, there is the cradle of many realization robotizations to come out.For example CN1295815A proposes a kind of electrodynamic type automatic cradle by switch control, though reducing nurse infant muscle power, this electric cradle consumes, but still have many weak points, comprise motor as drive unit, eccentric wheel and crank mechanism, complex structure, not only heaviness but also dangerous was that switch control is by manually-operated again, automaticity is low, the people is unavoidable for makeing mistakes, though teleswitch is arranged, can not operated from a distance, also need someone nurse, can't realize unmanned automatic management nurse,, climb not crying not cry to stand up outward under the situation particularly when child's WA, have unexpected potential danger, so the cradle emergency measure such as warnings that tilts lacks and can't do without.

Summary of the invention

The objective of the invention is according to the present existing defective of automatic cradle, design a kind of infant cradle bed control device of the multifunctional management by microcomputerized control, to adapt to the need of work of suspension type electric cradle bed.

The technical solution used in the present invention is: infant cradle bed microcomputer controller, it comprises power circuit, CPU governor circuit, signal input circuit and controlling output circuit, it is characterized in that the input end of CPU governor circuit is connected to button inputting circuits respectively, waves tracking circuit, cradle tilt detection circuit and vagitus testing circuit; The output terminal of CPU governor circuit is connected to cradle respectively and waves driving circuit and four sound chord music and volume control circuits.

There is the program software that above-mentioned each circuit is controlled and managed in the CPU governor circuit, makes cradle work reach intelligent management.System adopts the compatible single-chip microcomputer of MCS-51 series of industrial controlling as microcontroller, operation and supervisory routine software are located in the memory of cpu chip, with the various acquired signal of control input, instruction of output control signal implementation and operation or interrupt request are preferentially carried out and are waited instruction, realize that the sob that this machine is set starts, warning and functions such as music and volume control are waved, tilted in timing.

The present invention compares with existing automatically controlled cradle technology, and outstanding advantage is to adjust drive pattern according to baby's different weight (increasing with the age such as infant weight) or bed clothes Different Weight self-adaptation, makes cradle operate steadily, wave comfortable; Realization intellectualized operation management makes simple to operately, safe and reliable, has both reduced the labour intensity and the mental burden of keeping an eye on the baby, makes infantal sleeping good again, helps children's growth and growth.

Description of drawings

Fig. 1 is a design circuit block diagram of the present invention;

Fig. 2 is the invention process circuit diagram;

Fig. 3 is for waving the driving circuit connection layout;

Fig. 4 is a CPU governor circuit workflow diagram.

Among the above-mentioned figure, 1 is power circuit, and 2 for referring to circuit for lamp, 3 is key control circuit, and 4 is the CPU governor circuit, and 5 is four chord music and power amplifiers, 6 for cradle waves driving circuit, and 7 for waving tracking circuit, and 8 is cradle tilt detection circuit, 9 is the vagitus testing circuit, and 10 is controller box, and 11 is left coil L1,12 is the outer ring extension line, 13 is tongue tube S1, and 14 is the inner ring extension line, and 15 is right coil L2.

Embodiment and embodiment are described

Microcomputerized controller is located in the square plastic box 10, is suspended on the cradle front end, and the front in the box is a key panel, and the centre is a wiring board, and back is the magnetic drive district, as shown in Figure 3, is made up of 2 parallel coils, and left coil is L ₁, right coil is L ₂, they are corresponding with the permanent magnet of being located at cradle front end and suspension rod lower end.Inhale (or repelling each other) mutually with permanent magnet when the magnetic field forces of

coil

11 or 15 generations and produce expulsive force, just make the power of cradle average rate swing.Being horizontally disposed with a tongue tube 13 between left coil 11 and the right coil 12 is S1, is used to follow the tracks of the slew rate and the amplitude of oscillation of cradle.Cradle is suspended on the support by 2 suspension rods, is convenient to start with less strength.

Power control switch K is established in the front of keypad 3 ₁, wave gauge tap K ₃, the music K switch ₂With volume control switch K ₄, power switch is controlled the power supply of whole wiring board and magnetic coil.The cradle Sidesway switch has the dynamics of waving and regulates control function, music K switch ₂Be four chord music circuits and power amplifier gauge tap, volume is controlled to be high, medium and low sound control system K switch ₄

The CPU governor circuit is selected the compatible chip of MCS-51 series for use, as 89C51, SMC88112 or PD789014 etc., and crystal oscillator 3～6MHz, peripheral inputting and outputting circuit structure function is described referring to Fig. 1 and Fig. 3.

Power circuit 1 is made up of external power supply circuit and backup battery, triode Q ₃, diode D ₂, D ₃, K ₁, R ₁₆And 12 and 17 power switches of forming of CPU, control whole supply line, to reduce power consumption, prolong the backup battery life-span, Q ₁With C ₁₀～C ₁₃The stabilized voltage supply of forming provides+the 5V working power to CPU.

Vagitus testing circuit 9 is by microphone sensor spare MIC, operational amplification circuit IC ₁, triode Q ₄, diode D ₈, capacitor C ₉, C ₁₉, resistance R ₁～R ₇, R ₁₀～R ₁₂, R ₁₇, potentiometer VR ₁And LED ₄Form, regulate VR ₁May command transducing signal size, signal is through IC ₁Amplify the back by Q ₄Amplify the 13 pin input that inserts CPU again.

Wave tracking circuit 7 and form, have only S when the permanent magnet of being located at cradle one end (as ferrite) is swung but wave tracking signal by CPU and the position-detection sensor S1 that is connected to 11 pin of CPU ₁The signal input is just arranged.

It is push-pull driver circuit symmetrical about a group that cradle waves driving circuit 6, and driving circuit is shaken on a branch left side and driving circuit is shaken on the right side, and 7 pin, the triode Q of driving circuit by CPU shaken on a left side ₆, Q ₇, Q ₉, coil L ₁, resistance R ₂₆, R ₂₈, R ₃₂And luminotron LED ₁With stabilivolt Z ₁Form.Driving circuit is shaken by triode Q in the right side ₅, Q ₈, Q ₁₀, coil L ₂, resistance R ₂₇, R ₂₉, R ₃₂And luminotron LED ₂With stabilivolt Z ₂Form.Z ₁And Z ₂Be the reversion-resistance electromotive force element; Because the symmetry of push-pull driver circuit makes coil L ₁And L ₂It is opposite to produce the magnetic force equal direction, with the fixing permanent magnet of cradle one end produce match direction opposite wave thrust.

Cradle tilt detection circuit 8 is by CPU and the position-detection sensor S that is connected to 11 pin of CPU ₁Form, present embodiment adopts tongue tube 13, but skew detection signal has only when setting the cradle amplitude of oscillation and reach 25 when spending time remainings greater than 5 seconds, and CPU just sends the setting alerting signal.

Position-detection sensor S ₁Switching signal by permanent magnet amplitude of fluctuation and swing speed (frequency) determine that tracking signal is shaken driving circuit by a left side, wave position-detection sensor S ₁, driving circuit is shaken on the right side and the CPU governor circuit is connected into closed loop tracking system, S when amplitude of fluctuation changes in conjunction with swing speed (frequency) ₁Induced signal is compared by setting signal in 11 pin of CPU input back and the CPU storer, and CPU exports proper signal a to push-pull driver circuit and makes coil L ₁And L ₂Magnetic is made power and is produced respective change, and the variation of waving drive system and cradle center of gravity is consistent, thereby the amplitude of oscillation of constant cradle makes cradle reach best swing effect.If cradle tilts to greater than 25 degree and when continuing 5 seconds, expression cradle knockdown is dangerous, tongue tube S ₁To the CPU input signal, the 6 pin output signals of CPU are by triode Q ₂Conducting makes hummer BZ ₁Send the BiBiBi chimes of doom, remind the guardian to note.

Four sound chord music playing circuits are by Q ₃With MUSIC integrated circuit and peripheral resistance capacitance and LED ₃Form, MUSIC is many group four sound chord lullaby storeies, and how first different-style world masterpiece in music is arranged, and the mellow and full tonequality of organ level is melodized, effectively takees good care of the tender sense of hearing of baby.

Three grades of volume control circuits are by 18,16 pin, the triode Q of CPU ₁₁, Q ₁₂IC is amplified in computing ₂, loudspeaker SPK and peripheral resistance capacitance form, volume controls by button K ₄Import different switching signals, make Q ₁₂Conducting, Q ₁₁The less volume output of control makes Q during not conducting ₁₁Conducting Q ₁₂The moderate volume output of control makes Q during not conducting ₁₁/ Q ₁₂The volume output that control is bigger during not conducting.

Indicator light circuit 3 is by being located at LED in above-mentioned each functional circuit ₁～LED ₄Form, indicate each circuit working state.

The Based Intelligent Control of master cpu and management function are realized by control in the storer that is stored in CPU and management software, program flow diagram as shown in Figure 4, sketch its control and management function below in conjunction with Fig. 1 and Fig. 4, the Based Intelligent Control of CPU governor circuit and management software are existed in the read-only memory by the functional module of design compilation in advance, these functional modules have the vagitus detection module, swing module, playback module, closed loop tracking Control module, amplitude of oscillation control and inclination alarm module, 15 minutes time blocks and volume control module etc., the various CPU automatic control and management programs that constitute of above-mentioned functions module.

The closed loop tracking control system by CPU, link to each other with the CPU input end wave vacillate now to the left, now to the right driving circuit 6 and be stored in closed loop Tracking Software Module in the CPU and will wave tracking circuit 7 and cradle and wave driving circuit 6 and be connected into closed circuit tracking control system of tracking circuit 7 and the cradle that links to each other with the CPU output terminal.The Control Software module controls of waving by the CPU inner setting is waved to drive or stop to drive dutycycle and is reached the even amplitude of oscillation purpose of control cradle, button K ₃The watt level of driving circuit is waved in control with CPU.Wave load and be not less than 15 kilograms, divide general level and add intensity level.

Under system's power supply normal condition, press power switch K ₁The time, K ₂, K ₃And K ₄Be in waiting status, if MIC microphony sensor arrives vagitus, time block started in 15 minutes, wherein one the tunnel is that swing module starts drive circuit works, and tracking circuit work is waved in the cradle swing, promote the positive and negative mutual reinforcing of the same driving circuit of cradle with the people, cradle is evenly swung; If the baby turns over and climbs cradle, cradle tilts and spent for 5 seconds, the startup alarm equipment alarm greater than 25; Swing is set 15 minutes and is arrived, and waves driving circuit and quits work.Another road is to start playback module, stops after the automatic playback to 15 of playback circuit work minute.

The software program of another kind of work is to insert artificial control in auto-programming, as long as press K ₂～K ₄Arbitrary button is the interruption auto-programming, preferentially carries out key command, after CPU executes key command, can finish circularly monitoring from motion tracking by workflow diagram.Most prismatic block diagrams of output band N or Y all can artificially insert control signal in the process flow diagram, artificially regulate and control to change job order.Its workflow does not exemplify one by one referring to Fig. 4.

Claims

1, infant cradle bed microcomputer controller, it comprises power circuit (1), CPU governor circuit (4), signal input circuit and controlling output circuit, the input end that it is characterized in that the CPU governor circuit is connected to button inputting circuits (3) respectively, waves tracking circuit (7), cradle tilt detection circuit (8) and vagitus testing circuit (9), and the output terminal of CPU governor circuit (4) is connected to cradle respectively and waves driving circuit (6) and four sound chord music and volume control circuits.

2, infant cradle bed microcomputer controller according to claim 1, it is characterized in that by CPU, link to each other with the CPU input end wave tracking circuit (7), form series connection closed loop tracking control system with the left and right closed loop Tracking Software Module of waving driving circuit (6) and being stored in the CPU of the cradle that links to each other with the CPU output terminal.

3, infant cradle bed microcomputer controller according to claim 1 and 2 is characterized in that by button K ₃The watt level that the Control Software module controls is waved driving circuit of waving with the CPU inner setting.

4, infant cradle bed microcomputer controller according to claim 1 is characterized in that cradle waves tracking circuit (7) cradle tilt detection circuit (8) by CPU and the position-detection sensor S that is connected to 11 pin of CPU ₁Form.

5, driving circuit is waved by triode Q in a left side according to claim 1 and 2 ₆, Q ₇, Q ₉, coil L ₁, resistance R ₂₆, R ₂₈, R ₃₂And LED ₁Form.

6, driving circuit is waved by triode Q in the right side according to claim 1 and 2 ₅, Q ₈, Q ₁₀, coil L ₂, resistance R ₂₇, R ₂₉, R ₃₂And LED ₂Form.

7, infant cradle bed microcomputer controller according to claim 1 is characterized in that vagitus testing circuit (9) by microphone sensor MIC, operational amplification circuit IC ₁, triode Q ₄, diode D ₈, capacitor C ₉, C ₁₉, resistance R ₁～R ₇, R ₁₀～R ₁₂, R ₁₇Potentiometer VR ₁And LED ₄Form.

8, infant cradle bed microcomputer controller according to claim 1 is characterized in that four sound chord music control circuits are by Q ₃With MUSIC music integrated circuit and peripheral resistance capacitance and LED ₃Form.

9, infant cradle bed microcomputer controller according to claim 1 is characterized in that volume control circuit is by triode Q ₁₁, Q ₁₂Power amplifier IC ₂Zund-Burguet apparatus SPK and peripheral resistance capacitance are formed.