CN2479833Y

CN2479833Y - Intelligent baby bed

Info

Publication number: CN2479833Y
Application number: CN 01223095
Authority: CN
Inventors: 李果; 王怡灵
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-10
Filing date: 2001-05-10
Publication date: 2002-03-06
Anticipated expiration: 2011-05-10

Abstract

The utility model belongs to a swinging infanette controlled by electromechanical intelligence, comprising a mechanical and a circuit controlling parts, and an emitter circuit, wherein the mechanical part comprises a bedstead; four corners of the bedstead are equipped with bedstead wheels; a hammock is arranged in the bedstead; one end of the hammock is connected with a drive rod; the drive rod is fixed on a drive shaft; the drive shaft is then connected with a swinging rod; the swinging rod is connected with a magnetic core which is sleeved with a magnet coil; the other end of the hammock is connected with a driven rod; the driven rod is fixed on a rotating shaft; the rotating shaft is fixed on the bedstead; and the bedstead is provided with a part box and a sensor. The intelligent infanette conquers the shortage that the traditional four-leg fixed bed and four-leg wheel-mounted below movable bed require the person to clasp or push to make the infant to laugh when the infant cries. The utility model can swing automatically and check the micturating and the defecating of the infant, and has the remote control function. Moreover, the product has simple and practical structure, and largely lightens the physical labor of the person.

Description

Intelligent baby bed

The utility model belongs to the bed that the infant uses, and it is baby bed particularly to relate to waving of a kind of dynamoelectric intelligent control.

At present, the bed that the infant uses all is the fixed bed of traditional four legs or the four legs movable bed of dress wheel down mostly, and this bed can only be slept for the infant and be had a rest or move and use.When the infant cries and screams, can not fool child to stop to cry and scream.The baby urinates, just the time, can not inform in time that father and mother change clothes diaper for the baby.Need the special messenger to look after for a long time thus, bring a lot of inconvenience for young father and mother, it is bad to have a rest for a long time, i.e. influence life influences work again.

This shows, above-mentionedly existingly baby bedly have many defectives, and the assistant officer waits to be improved.

Because the deficiency of above-mentioned existing baby bed existence, the design people actively study innovation based on abundant practical experience and professional knowledge, through constantly studying, design, and after studying sample and improvement repeatedly, creates the utility model finally.

Main purpose of the present utility model is, overcomes the shortcoming that prior art exists, and the intelligent baby bed of a kind of new structure is provided.Make its baby bed can swinging back and forth, give a kind of comfort of infant, mother just accompanies at one's side seemingly.Can also notify baby father and mother to urinate and draw, in time be baby's changing babies' napkin.The purpose of intelligent baby bed employing tractive magnet also is the noise minimum.

The purpose of this utility model is realized by following technical scheme.Intelligent baby bed according to what the utility model proposes, include hammock, bedstead, it is characterized in that intelligent baby bedly controlling two parts and radiating circuit constitutes by machinery and circuit, mechanical part is by bedstead, bedstead is equipped with the bedstead wheel for four jiaos, hammock is contained in the bedstead, hammock one termination drive link, drive link is fixed on the power transmission shaft, and power transmission shaft connects fork again, and fork links to each other with the magnetic core that is with solenoid, another termination follower lever of hammock, follower lever is fixed in the rotating shaft, and rotating shaft is fixed on the bedstead, and component cases is housed bedstead and sensor is formed;

The circuit control section is by singlechip CPU, four road A/D input, one road D/A output, the input of one road I/O switching value, the output of three road I/O switching values, the A/D input connects four tunnel signal processing circuits respectively, and signal processing circuit connects operating switch, temperature sensor, sound transducer and receiving circuit again respectively; The input of I/O switching value connects signal processing circuit, and signal processing circuit connects position sensor; The output of three road I/O switching values connects power amplifier respectively, and power amplification circuit connects videocorder switch 1, videocorder switch 2, videocorder switch 3 again respectively; D/A output connects power amplification circuit, and power amplification circuit is succeeded electrical equipment, and relay connects electromagnet, and electromagnet connects hammock and forms.

Before described singlechip CPU can clean programmable storage, 6264RAM readable and writable memory, 74LS138 decoder, 74LS00 NAND gate, crystal and electric capacity by 8031 single-chip microcomputers, 74LS373 latch, 27128EPROM and interconnect and form;

A/D input and D/A output are mainly interconnected by change-over switch 4051, A/D converter AD7523, MC14433, two-way bus driver AM324 and 74LS244 and 8255 to be formed;

Input of I/O switching value and the output of I/O switching value are mainly interconnected by single-chip microcomputer 8031 and 8255 to be formed;

Signal processing circuit is interconnected by operational amplifier LM2982, diode IN4148, not gate 74HCT14 and resistance, electric capacity forms three road signal shaping amplifiers;

Power amplification circuit is interconnected by power amplifier tube, voltage-stabiliser tube and resistance to be formed;

Receiving circuit is by infrared reception, puts and demodulator circuit IC1 in advance, N1, N2 and ES1, N4, N5 and ES3 form pulse and DC level identification circuit, ES2, N3, interconnect composition with ES4, N6 composition bistable switching circuit and triode, diode, relay, resistance, electric capacity.

Preceding described transmitter circuit is interconnected and is formed by NAND gate 74HCOO, triode 9013, light emitting diode SE303A, resistance, electric capacity.

Preceding described A/D input and D/A output and the input of I/O switching value and the output of I/O switching value are changed and are all adopted band light to isolate.

Before the described hammock angle that freely swings be not more than 15 °.

The utility model compared with prior art has tangible advantage and good effect.The utility model is intelligent baby bed have as after advantage; Owing to adopted technique scheme, overcome fixed bed of traditional four legs and the four legs movable bed of dress wheel down, the deficiency that when the baby cries and screams, needs the people to embrace or promote to fool the child, internal crucible can wave automatically, and the detection baby defecation of urinating also has the function of remote control.This product structure is simple and practical, alleviates people's manual labor greatly.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is an overall structure view of the present utility model.

Fig. 2 is a circuit controlling party block diagram of the present utility model.

Fig. 3, Fig. 4 are computer of the present utility model, A/D input, D/A output, the input of I/O switching value, I/O switching value output circuit schematic diagram.

Fig. 5 is a signal processing circuit schematic diagram of the present utility model.

Fig. 6 is a power amplification circuit schematic diagram of the present utility model.

Fig. 7 is a receiving circuit schematic diagram of the present utility model.

Fig. 8 is a radiating circuit schematic diagram of the present utility model.

Fig. 9 is a control flow chart of the present utility model.

1. forks, 2. solenoids, 3. magnetic cores, 4. hammocks, 5. bedsteads, 6. component cases, 7. power transmission shafts, 8. rotating shafts, 9. drive links, 10. follower levers, 11. sensors, 12. bedsteads wheel among the figure

See also shown in Figure 1ly, the utility model is intelligent baby bed to be made of machinery, circuit control two parts and radiating circuit.Mechanical part is by

bedstead

5,5 four jiaos of bedsteads bedstead wheel 12 is housed, hammock 4 is contained in the bedstead 5, hammock 4 one termination drive links 9, and drive link 9 is fixed on the power transmission shaft 7, power transmission shaft 7 connects fork 1 again, fork 1 links to each other with the magnetic core 3 that is with solenoid 2, another termination follower lever 10 of hammock 4, and follower lever 10 is fixed in the rotating shaft 8, rotating shaft 8 is fixed on the bedstead 5, and component cases 6 and sensor 11 compositions are housed on the bedstead 5.

The course of work:

After solenoid 2 energisings, promote magnetic core 3 and do linear reciprocating motion, drive fork 1, drive hammock 4 swings by power transmission shaft 7 again around power transmission shaft 7 swings.This moment, hammock 4 was done parallel swing (dynamic position when Fig. 1 fork is put 15 °).

Fig. 2 is the control circuit block diagram, it connects signal processing circuit respectively by operating switch, temperature sensor, sound transducer, receiving circuit and position sensor, signal processing circuit connects A/D input, the input of I/O switching value and singlechip CPU, output of I/O switching value and D/A output connect power amplifier, power amplifier connects videocorder switch 1, videocorder switch 2, videocorder switch 3 broadcast mother sound, relaxed music, warning sound respectively, power amplifier is succeeded electrical equipment, relay connects electromagnet, and electromagnet connects hammock.

The course of work:

Sound transducer receives the baby sound signal, after handling, signal processing circuit imports computer by A/D, after computer receives this signal, the detection position sensor signal if at this moment correct position sensor signal is arranged, then illustrates the infanette position suitable simultaneously, computer sends control signal, engage relay after D/A and power amplifier amplification makes electromagnet produce suction, opens videocorder and emits easily beautiful music.Because the bed body only is subjected to the ferreous effect of electromagnetism a specified point position, come backswing to three time progressively put (being subjected to the power effect of three electromagnet), thus, the bed body genus nature that moves is put, and it is comfortable that the baby feels.If do not have the sound transducer signal or do not have position sensor signal, then computer will not send control signal, and the dead beat of bed body is arrived.There is not music signal yet.

Operating switch is provided with " work " position, after computer receives this signal, and while detection position sensor signal, if at this moment correct position sensor signal is arranged, then computer sends control signal, a control bed body comes backswing to arrive.Simultaneously, computer is opened videocorder and is emitted light beautiful music by I/O mouth output switching signal.If do not have " work " signal or do not have position sensor signal, person's computer will not send any control signal.

After the baby urinated (just), the Temperature Humidity Sensor output signal was sent into computer by A/D after signal processing circuit is handled, after computer receives this signal, by I/O mouth output switching signal, open videocorder and emit warning music.Notify the guardian to change the cloth pad.

In addition, infanette is equipped with infrared remote control and connects transceiver, can remote closing or connect power supply, and start a bed body and swing naturally, computer passes through I/O mouth output switching signal, opens videocorder and emits light beautiful music.

See also Fig. 3 to Fig. 6, computer control is mainly by 8031 single-chip microcomputers, 74LS373 latch and 27128EPROM can clean programmable storage and constitute minimum system, constitute by two 6264RAM readable and writable memories and to extend out data storage, 6264 chip selection signal provides CS0～CS1 by the 74LS138 decoder, and 74LS00 NAND gate, crystal and electric capacity interconnect composition.Input A/D and output D/A mainly are made up of 4051 analog quantity multicircuit switches, AD7523, MC14433 A/D converter, two-way LM324 and 74LS244 bus driver.The 4051st, therefore the multicircuit switch of 8:1 can connect 8 road analog data signals.One road LM324 amplifier plays cushioning effect.Another road LM324 amplifier and AD7523 (D/A) constitute programmable amplifier, expanding system analog signal dynamic range, and output analog signal V _xAnalog data channel also utilizes a part of resource of another sheet 8255: PC2～PCO of 8255 provides the switch address signal to 4051 analog quantity change-over switches, and 8255 B mouth then provides the gain control signal of programmable amplifier to AD7523.Switching value I/O is provided by 8031 P1 mouth and 8255 interface chips.It is the input port that 8255 A mouth is set, and B mouth and C mouth are delivery outlet, all work in pattern 0.Wherein B mouth and PC2～PCO have simulated passage and have taken.PA7～PA4 (sees that DI0 among Fig. 6～DI3), PC7～PC4 are that switching value output (is seen D00 among Fig. 6～D03) for the input of band light isolating switch amount.Can be with the current driving ability of 20mA, the both is suitable for the electric current loop working method, can be away from transmitting switching signal.

Fig. 7 is that signal processing circuit is interconnected three road signal shaping amplifiers of forming by operational amplifier LM2982, diode IN4148, not gate 74HCT14 and resistance, electric capacity.

Fig. 8 provides one road power amplification circuit schematic diagram, and it is interconnected by power amplifier tube Q22～25, triode Q21, voltage-stabiliser tube D6 and resistance forms.Input signal is imported and is met PHE+ for just, and input signal is for negative, and input meets PHE-, and output signal is PHE, and the computer output signal connects the PHE+ end in the practicality.

IR remote controller can be only with a break-make by the load of key control two-way.It is divided into transmitter and receiver two parts.

Fig. 3 Infrared Remote-Control Sending circuit, NA1, NA2, NA3, NA4 right and wrong door among the figure.If button S is continuous closure, then SE303A exports the infrared light of 38KHz modulation continuously; If S is the crawl closure, then SE303A continues the output infrared light.Because static power consumption less than 1 μ A, is therefore removed the transmitter power switch from.

Fig. 4 is the infrared remote control receiving circuit, IC1 model C X20106A forms infrared reception, puts and demodulator circuit in advance among the figure, N1, N2 and ES1, N4, N5 and ES3 form pulse and DC level identification circuit, ES2, N3 and ES4, N6 form bistable switch, V1, V2 are used to drive J1, J2, the output of its contact is connected with the controller input pin with the system main power circuit respectively, controls its break-make.When transmitter button S was closed, 7 pin of receiver IC1 were low level, and ES3 ends, N6 upset output " 1 ", J2 adhesive; When closed S once more, N6 upset output " 0 ", J2 discharges.When crawl transmitter button S, 7 pin of receiver IC1 demodulate pulse signal, and SE1 ends, and N3 exports " 1 ", the J1 adhesive, and when second time during crawl button S, N3 exports " 0 ", and J1 discharges.So just realize single make and break process by the load of key control two-way.When practical application, after closed transmitter button S made a call to 2 seconds, J2 was adhesive (or release); Crawl S reaches three times, and J1 is adhesive (or release).Here the J1 break-make can be controlled main power circuit, and J2 connects and can realize infanette remote control work.

Fig. 9 is intelligent baby bed control flow chart, and after the power-up initializing, at first whether the testing switch is in " work " position; After if computer receives this signal, detection position sensor signal then, if at this moment correct position sensor signal is arranged, computer sends control signal, a control bed body swings back and forth.Simultaneously, computer is opened videocorder and is emitted light beautiful music by I/O mouth output switching signal.If there is not " work " signal, COMPUTER DETECTION sound transducer signal then, if received the baby sound signal, change and go the detection position sensor signal,, the infanette position suitable is described then if at this moment correct position sensor signal is arranged, computer sends control signal, engage relay after D/A and power amplification makes electromagnet produce suction, drives the bed body and swings back and forth.And computer is opened videocorder and is emitted light beautiful music by I/O mouth output switching signal.Because the bed body only is subjected to the power effect of electromagnet a specified point position, swing back and forth and just progressively put (being subjected to the power effect of three electromagnet) for three times, therefore, the motion of bed body belongs to the nature swing, and it is comfortable that the baby feels.If there is not the sound transducer signal, changeing the J2 loop of going to detect the infrared control receiver has no signal, if having, illustrates to be in remote state, changes and goes the detection position sensor signal; If do not have, commentaries on classics removes to detect Temperature Humidity Sensor non-output signal, if signal is arranged, by I/O mouth output switching signal, opens videocorder and emits warning music.Notify the guardian to change the cloth pad.If there is not signal, computer judges whether this stops, according to being whether operating switch is in " stopping " position, if main power circuit cuts off the power supply.If not computer continues cyclic query.

The connecting relation of signal

The sensor probe measuring-signal is given the input (NE-IN of signal processing circuit, N1-IN, N2-IN etc.) after, after signal processing circuit is amplified shaping, from output (NE, N1, N2 etc.) obtaining 0～5 volt of computer can the number of accepting and believing, deliver to the analog data channel ACH0～ACH3 and the switching value input channel DI0～DI3 (see figure 6) of computer control then, after Computer Processing, obtain one road imitated output quantity VX and three-way switch amount D00～D02 (see figure 6), after power amplification circuit amplifies, drive bed swing and three switches of control recorder respectively again.

Operating switch has " work " and " stopping " two positions.When being in " work " position, the input of 5 vor signals to signal processing circuit is provided, deliver to the analog data channel of computer control then, by the Computer Processing analysis.When being in " stopping " position, do not provide signal.

After infrared remote control receiver receives signal, the J2 closure, loop output high level signal is given the input of signal processing circuit, delivers to the analog data channel of computer control then, by the Computer Processing analysis.When the J2 open position, do not provide signal.

Position sensor adopts common Hall element to measure output switching signal.For the switching signal of Hall element output, computer is handled with interrupt mode response, every a switching signal control magnet switching, drives the infanette swing.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.

Claims

1, a kind of intelligent baby bed, include hammock, bedstead, it is characterized in that intelligent baby bedly controlling two parts and radiating circuit constitutes by machinery and circuit, mechanical part is by bedstead, bedstead is equipped with the bedstead wheel for four jiaos, hammock is contained in the bedstead, hammock one termination drive link, drive link is fixed on the power transmission shaft, and power transmission shaft connects fork again, and fork links to each other with the magnetic core that is with solenoid, another termination follower lever of hammock, follower lever is fixed in the rotating shaft, and rotating shaft is fixed on the bedstead, component cases and sensor is housed on the bedstead forms;

2, according to claim 1 intelligent baby bed, it is characterized in that described singlechip CPU can clean programmable storage, 6264RAM readable and writable memory, 74LS138 decoder, 74LS00 NAND gate, crystal and electric capacity by 8031 single-chip microcomputers, 74LS373 latch, 27128EPROM and interconnect and form;

3, according to claim 2 intelligent baby bed, described A/D input and D/A output and the input of I/O switching value and I/O switching value output conversion all adopt band light to isolate before it is characterized in that.

4, according to claim 3 intelligent baby bed, the described hammock angle that freely swings is not more than 15 before it is characterized in that.

5, the transmitter of intelligent baby bed remote controller is characterized in that described transmitter circuit is interconnected and formed by NAND gate 74HC00, triode 9013, light emitting diode SE303A, resistance, electric capacity.