CN102568259A - Story machine with infant urine wetting alarm function - Google Patents
Story machine with infant urine wetting alarm function Download PDFInfo
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- CN102568259A CN102568259A CN2010106188745A CN201010618874A CN102568259A CN 102568259 A CN102568259 A CN 102568259A CN 2010106188745 A CN2010106188745 A CN 2010106188745A CN 201010618874 A CN201010618874 A CN 201010618874A CN 102568259 A CN102568259 A CN 102568259A
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Abstract
The invention discloses a story machine with an infant urine wetting alarm function, which comprises a story machine body and a monitor unit. The story machine body comprises a pronunciation circuit, a urine wetting inductive circuit, a trigger circuit, a low frequency oscillating circuit, a 49.86Mhz oscillating circuit and a modulation radiating circuit, the output end of the urine wetting inductive circuit is connected with the input end of the trigger circuit, the output end of the trigger circuit is connected with the input end of the low frequency oscillating circuit, the output end of the low frequency oscillating circuit is connected with the input end of the 49.86Mhz oscillating circuit, and the output end of the 49.86Mhz oscillating circuit is connected with the modulation radiating circuit. The monitor unit comprises a receiving demodulation circuit and a low frequency amplifying circuit, and the output end of the receiving demodulation circuit is connected with the input end of the low frequency amplifying circuit. When an infant urinates, the story machine body induces the infant urine wetting and emits radio waves, and the monitor unit receives the radio wave and sends promoting signals, so that a guarder can timely obtain abnormal situations of the infant.
Description
Technical field
The present invention relates to the Story machine technical field, relate in particular to a kind of Story machine of the infant's of having urine-wet alarm function.
Background technology
Story machine is a kind of infant's early education product; It can promote the balanced growth of infant's intelligence development and left and right sides brain; Excite the interest that learns a language, improve ability of language expression and communication capability, cultivate logical thinking ability, imagination, memory and creativity.Existing Story machine comprises sound circuit, and the guardian makes it play story, playing back music etc. through the control sound circuit; When Story machine is in when playing duty, the guardian possibly do housework and not the infant not at one's side, need cook, wash clothes etc. such as the guardian, and when the infant urinates when wet, the guardian possibly can't in time be known infant's different condition.
Summary of the invention
The present invention provides a kind of Story machine of the infant's of having urine-wet alarm function, and it can make the guardian in time know infant's different condition.
A kind of Story machine that has infant's urine-wet alarm function; Comprise the Story machine body; The Story machine body comprises sound circuit; Story machine also comprises watch-dog; The Story machine body also comprise be used to respond to the infant urinate the wet sensor circuit of wet urine, be used to trigger low-frequency oscillatory network work trigger circuit, be used to control low-frequency oscillatory network, 49.86MHz oscillatory circuit that the 49.86MHz oscillatory circuit produces oscillator signal, be used for oscillator signal is modulated and the modulation transmitter of emitting radio wave; The output terminal of the wet sensor circuit of urine is connected with the input end of trigger circuit; The output terminal of trigger circuit is connected with the input end of low-frequency oscillatory network, and the output terminal of low-frequency oscillatory network is connected with the input end of 49.86MHz oscillatory circuit, and the output terminal of 49.86MHz oscillatory circuit is connected with the input end of modulation transmitter; Watch-dog comprises and is used to the receiving demodulation circuit that receives radiowave and demodulate oscillator signal, the low-frequency amplifier circuit that is used for oscillator signal is amplified and sends cue that the output terminal of receiving demodulation circuit is connected with the input end of low-frequency amplifier circuit.
Wherein, the wet sensor circuit of urine comprises humidity sensor.
Wherein, trigger circuit comprise the triode Q1 of NPN type, the triode Q2 of positive-negative-positive, capacitor C 2, resistance R 1, R6; The end of R6 is connected with the input end of trigger circuit; The other end of R6 is connected with the base stage of Q1; The collector of Q1 is connected with the end of R1, and the other end of R1 is connected with the base stage of Q2, and the emitter of Q2 is connected with body power supply VCC; The collector of Q2, the positive pole of C2 are connected with the output terminal of trigger circuit, the negative pole of C2, the equal ground connection of the emitter of Q1.
Wherein, low-frequency oscillatory network comprises the triode Q3 of NPN type, the triode Q4 of NPN type, resistance R 2, R3, R4, R5, capacitor C 1, C3; The end of the end of R2, the end of R3, R4, the end of R5 are connected with the input end of low-frequency oscillatory network; The other end of R2, the base stage of Q3 are connected with the end of C3; The end of the other end of R3, C1 is connected with the collector of Q3; The other end of R4, the other end of C1 are connected with the base stage of Q4, and the collector of the other end of R5, the other end of C3, Q4 is connected with the output terminal of low-frequency oscillatory network, the emitter of Q3, the equal ground connection of the emitter of Q4.
Wherein, the 49.86MHz oscillatory circuit comprises the triode Q5 of NPN type, crystal oscillator Y1, resistance R 7, R8, R9, capacitor C 4, C20, inductance L 1; The end of R8 connects the input end of 49.86MHz oscillatory circuit; The end of the end of the other end of R8, the emitter of Q5, C20, the end of R9, C4 is connected with the output terminal of 49.86MHz oscillatory circuit; The other end ground connection of R9; The end of R7, the end of L1 are connected with body power supply VCC, and the end of the other end of R7, Y1 is connected with the base stage of Q5, and the other end of the other end of Y1, the other end of L1, C4, the other end of C20 are connected with the collector of Q5.
Wherein, modulation transmitter comprises the triode Q6 of NPN type, inductance L 2, L3, L4, resistance R 11, capacitor C 5, C6, C7, C8, C9, antenna; The end of C7, the base stage of Q6 are connected with the input end of modulation transmitter; The end of L2 is connected with body power supply VCC; The end of the other end of L2, C5 is connected with the collector of Q6; The end of the emitter of Q6, R11 is connected with the end of C8, and the end of the other end of C5, C9 is connected with the end of L3, and the end of the other end of L3, L4 is connected with the end of C6; The other end of L4 is connected with antenna, the equal ground connection of the other end of the other end of the other end of C7, the other end of R11, C8, the other end of C9, C6.
Wherein, receiving demodulation circuit comprises the triode Q8 of NPN type, inductance L 5, L6, L8, resistance R 10, R16, R17, R20, capacitor C 12, C13, C14, C15, C16, C17, C18, C19, antenna; The end of L5 is connected with antenna; The other end of L5 is connected with the end of C12; The end of the end of the other end of C12, C13, the end of C14, L6 is connected with the collector of Q8, and the end of the end of the other end of C14, the other end of L6, R10, the end of C16, R16, the end of C19 are connected with the end of C15, and the other end of R10 is connected with the watch-dog power supply; The other end of C15 is connected with the end of R17; The other end of R17 is connected with the output terminal of receiving demodulation circuit, and the other end of R16, the positive pole of C18 are connected with the base stage of Q8, and the end of the other end of C13, L8 is connected with the emitter of Q8; The end of the other end of L8, C17 is connected with the end of R20, the equal ground connection of the other end of the negative pole of the other end of C17, the other end of R20, C18, the other end of C19, C16; Low-frequency amplifier circuit comprises loudspeaker, the triode Q9 of NPN type, inductance L 7, resistance R 18, R19; One end of the end of R18, the end of L7, loudspeaker is connected with the watch-dog power supply; The end of the other end of R18, R19, the base stage of Q9 are connected with the input end of low-frequency amplifier circuit; The other end of L7, the other end of loudspeaker are connected with the collector of Q9, the other end of R19, the equal ground connection of the emitter of Q9.
Wherein, Sound circuit comprises microcontroller, display driver circuit, LCD display, sound amplifying circuit, control input circuit; The output terminal of control input circuit is connected with the control input end of microcontroller; The audio output of microcontroller is connected with the input end of sound amplifying circuit, and the video output terminals of microcontroller is connected with the input end of display driver circuit, and the output terminal of display driver circuit is connected with the input end of LCD display.
Wherein, The Story machine body also comprises body power circuit, power control circuit; The output terminal of body power circuit is connected with the power input of microcontroller, the power input of display driver circuit, the power input of sound amplifying circuit, the input end of power control circuit respectively, and the output terminal of power control circuit is connected with the power input of the wet sensor circuit of urine, the power input of trigger circuit, the power input of low-frequency oscillatory network, the power input of 49.86MHz oscillatory circuit, the power input of modulation transmitter respectively.
Wherein, watch-dog also comprises the watch-dog power circuit, and the output terminal of watch-dog power circuit is connected with the power input of receiving demodulation circuit, the power input of low-frequency amplifier circuit respectively.
Beneficial effect of the present invention: the Story machine of the infant's of having urine-wet alarm function of the present invention comprises Story machine body and watch-dog; The Story machine body comprises sound circuit, the wet sensor circuit of urine, trigger circuit, low-frequency oscillatory network, 49.86MHz oscillatory circuit, modulation transmitter; The output terminal of the wet sensor circuit of urine is connected with the input end of trigger circuit; The output terminal of trigger circuit is connected with the input end of low-frequency oscillatory network; The output terminal of low-frequency oscillatory network is connected with the input end of 49.86MHz oscillatory circuit; 49.86MHz the output terminal of oscillatory circuit is connected with the input end of modulation transmitter, watch-dog comprises receiving demodulation circuit, low-frequency amplifier circuit, and the output terminal of receiving demodulation circuit is connected with the input end of low-frequency amplifier circuit.When the infant urinates when wet, Story machine body induction infant urinates wet and emitting radio wave, and watch-dog receives radiowave and also sends cue, thereby makes the guardian in time know infant's different condition.When the guardian carries watch-dog and does housework, can effectively guard the infant.
Description of drawings
Fig. 1 is a Story machine main body structure synoptic diagram of the present invention.
Fig. 2 is the structural representation of watch-dog of the present invention.
Fig. 3 is the circuit diagram of the wet sensor circuit of urine of the present invention, trigger circuit, low-frequency oscillatory network, 49.86MHz oscillatory circuit, modulation transmitter, power control circuit.
Fig. 4 is the circuit diagram of receiving demodulation circuit of the present invention, low-frequency amplifier circuit, watch-dog power circuit.
Fig. 5 is the circuit diagram of sound circuit of the present invention first.
Fig. 6 is the circuit diagram of sound circuit second portion of the present invention.
Fig. 7 is the circuit diagram of sound circuit third part of the present invention.
Embodiment
Referring to Fig. 1 to 7, the present invention is carried out detailed description below in conjunction with accompanying drawing.
A kind of Story machine that has infant's urine-wet alarm function of present embodiment; Comprise the Story machine body; The Story machine body comprises sound circuit; Story machine also comprises watch-dog; The Story machine body also comprise be used to respond to the infant urinate the wet sensor circuit 101 of wet urine, be used to trigger low-frequency oscillatory network 103 work trigger circuit 102, be used to control low-frequency oscillatory network 103,49.86MHz oscillatory circuit 104 that 49.86MHz oscillatory circuit 104 produces oscillator signals, be used for oscillator signal is modulated and the modulation transmitter 105 of emitting radio wave; The output terminal of the wet sensor circuit 101 of urine is connected with the input end of trigger circuit 102; The output terminal of trigger circuit 102 is connected with the input end of low-frequency oscillatory network 103; The output terminal of low-frequency oscillatory network 103 is connected with the input end of 49.86MHz oscillatory circuit 104; 49.86MHz the output terminal of oscillatory circuit 104 is connected with the input end of modulation transmitter 105, watch-dog comprises and is used to the receiving demodulation circuit 201 that receives radiowave and demodulate oscillator signal, the low-frequency amplifier circuit 202 that is used for oscillator signal is amplified and sends cue that the output terminal of receiving demodulation circuit 201 is connected with the input end of low-frequency amplifier circuit 202.The cue that low-frequency amplifier circuit 202 sends can be voice signal, light signal, sound and light signal, vibration signal etc.This Story machine also can use for children.
Sound circuit is used to play story, playing back music etc.In the present embodiment, sound circuit comprises microcontroller 109, display driver circuit 110, LCD display 112, sound amplifying circuit 108, control input circuit 111.The output terminal of control input circuit 111 is connected with the control input end of microcontroller 109.Control input circuit 111 can comprise various buttons, and the guardian is through the work of control input circuit 111 control sound circuits.The audio output of microcontroller 109 is connected with the input end of sound amplifying circuit 108.Microcontroller 109 drives sound amplifying circuit 108 and sounds.The video output terminals of microcontroller 109 is connected with the input end of display driver circuit 110, and the output terminal of display driver circuit 110 is connected with the input end of LCD display 112.Microcontroller 109 drives LCD display 112 display message.Fig. 5 to 7 is the circuit diagram of the sound circuit of present embodiment; Because the circuit diagram of sound circuit is too big, so be divided into three parts, between each components and parts of this three part clear and definite annexation is arranged all; In Fig. 5, the 4th to 11 pin of LCD chip connect SEG0 to SEG7 respectively, and the 8th to 1 pin of HT1621B chip connects SEG0 to SEG7 respectively, and the 4th to 11 pin of expression LCD chip is connected with the 8th to 1 pin of HT1621B chip respectively.It is to be noted; Except that the sound circuit as shown in Figs. 5 to 7 that present embodiment provides; The present invention can also use the sound circuit of prior art, and the sound circuit of prior art is combined with infant's urine-wet alarm function of this programme, realizes the object of the invention; The sound circuit of prior art has multiple structure, repeats no more at this.
The Story machine body also comprises body power circuit 107, power control circuit 106; The output terminal of body power circuit 107 is connected with the power input of microcontroller 109, the power input of display driver circuit 110, the power input of sound amplifying circuit 108, the input end of power control circuit 106 respectively, and the output terminal of power control circuit 106 is connected with the power input of the wet sensor circuit 101 of urine, the power input of trigger circuit 102, the power input of low-frequency oscillatory network 103, the power input of 49.86MHz oscillatory circuit 104, the power input of modulation transmitter 105 respectively.In the present embodiment; Power control circuit 106 comprises switch S 1, when the guardian at one's side the time, closes infant's urine-wet alarm function of Story machine the infant through switch S 1; When the guardian not the infant at one's side the time, infant's urine-wet alarm function of opening Story machine through switch S 1.
Watch-dog also comprises watch-dog power circuit 203, and the output terminal of watch-dog power circuit 203 is connected with the power input of receiving demodulation circuit 201, the power input of low-frequency amplifier circuit 202 respectively.In the present embodiment, watch-dog power circuit 203 comprises 4.5V power supply BT1 and switch S 2, can be through the power supply of switch S 2 control watch-dogs.
The wet sensor circuit 101 of urine comprises humidity sensor.Humidity sensor is a proven technique, repeats no more here.Humidity sensor can be realized responding to the infant and urinate wet and send electric signal.
Low-frequency oscillatory network 103 comprises the triode Q3 of NPN type, the triode Q4 of NPN type, resistance R 2, R3, R4, R5, capacitor C 1, C3; The end of the end of R2, the end of R3, R4, the end of R5 are connected with the input end of low-frequency oscillatory network 103; The other end of R2, the base stage of Q3 are connected with the end of C3; The end of the other end of R3, C1 is connected with the collector of Q3; The other end of R4, the other end of C1 are connected with the base stage of Q4, and the collector of the other end of R5, the other end of C3, Q4 is connected with the output terminal of low-frequency oscillatory network 103, the emitter of Q3, the equal ground connection of the emitter of Q4.The parameter value of the components and parts of present embodiment low-frequency oscillatory network 103 is disclosed among Fig. 3; Certainly, the parameter value of components and parts can be adjusted according to actual conditions; And components and parts that this circuit is concrete and annexation thereof also are adjustable, produce oscillator signal as long as it can realize controlling 49.86MHz oscillatory circuit 104.
49.86MHz oscillatory circuit 104 comprises the triode Q5 of NPN type, crystal oscillator Y1, resistance R 7, R8, R9, capacitor C 4, C20, inductance L 1; The end of R8 connects the input end of 49.86MHz oscillatory circuit 104; The end of the end of the other end of R8, the emitter of Q5, C20, the end of R9, C4 is connected with the output terminal of 49.86MHz oscillatory circuit 104; The other end ground connection of R9; The end of R7, the end of L1 are connected with body power supply VCC, and the end of the other end of R7, Y1 is connected with the base stage of Q5, and the other end of the other end of Y1, the other end of L1, C4, the other end of C20 are connected with the collector of Q5.The parameter value of the components and parts of present embodiment 49.86MHz oscillatory circuit 104 is disclosed among Fig. 3; Certainly, the parameter value of components and parts can be adjusted according to actual conditions; And components and parts that this circuit is concrete and annexation thereof also are adjustable, as long as it can produce oscillator signal.
Receiving demodulation circuit 201 comprises the triode Q8 of NPN type, inductance L 5, L6, L8, resistance R 10, R16, R17, R20, capacitor C 12, C13, C14, C15, C16, C17, C18, C19, antenna; The end of L5 is connected with antenna; The other end of L5 is connected with the end of C12; The end of the end of the other end of C12, C13, the end of C14, L6 is connected with the collector of Q8, and the end of the end of the other end of C14, the other end of L6, R10, the end of C16, R16, the end of C19 are connected with the end of C15, and the other end of R10 is connected with the watch-dog power supply; The other end of C15 is connected with the end of R17; The other end of R17 is connected with the output terminal of receiving demodulation circuit 201, and the other end of R16, the positive pole of C18 are connected with the base stage of Q8, and the end of the other end of C13, L8 is connected with the emitter of Q8; The end of the other end of L8, C17 is connected with the end of R20, the equal ground connection of the other end of the negative pole of the other end of C17, the other end of R20, C18, the other end of C19, C16.The parameter value of the components and parts of present embodiment receiving demodulation circuit 201 is disclosed among Fig. 4; Certainly, the parameter value of components and parts can be adjusted according to actual conditions; And components and parts that this circuit is concrete and annexation thereof also are adjustable, as long as it can realize receiving radiowave and demodulating oscillator signal.
Low-frequency amplifier circuit 202 comprises loudspeaker, the triode Q9 of NPN type, inductance L 7, resistance R 18, R19; One end of the end of R18, the end of L7, loudspeaker is connected with the watch-dog power supply; The end of the other end of R18, R19, the base stage of Q9 are connected with the input end of low-frequency amplifier circuit 202; The other end of L7, the other end of loudspeaker are connected with the collector of Q9, the other end of R19, the equal ground connection of the emitter of Q9.In the present embodiment, low-frequency amplifier circuit 202 cue of sending is a voice signal.The parameter value of the components and parts of present embodiment low-frequency amplifier circuit 202 is disclosed among Fig. 4; Certainly, the parameter value of components and parts can be adjusted according to actual conditions; And components and parts that this circuit is concrete and annexation thereof also are adjustable, as long as it can realize oscillator signal is amplified and sends cue.
Infant's urine-wet alarm process of the present invention is following.The Story machine body can be placed on infant's next door; Monitor can be placed on the guardian next door, or the guardian carries monitor.When the infant urinates when wet, the wet sensor circuit 101 induction infants of the urine of Story machine body urinate wet, and induced signal is become electric signal, send to trigger circuit 102.After trigger circuit 102 receive electric signal, trigger low-frequency oscillatory network 103 work.Low-frequency oscillatory network 103 control 49.86MHz vibrating circuits produce oscillator signal, send to modulation transmitter 105.105 pairs of oscillator signals of modulation transmitter are modulated and emitting radio wave.The receiving demodulation circuit 201 of monitor receives these radiowaves and also demodulates oscillator signal, and 202 pairs of oscillator signals of low-frequency amplifier circuit amplify and send cue.The guardian is in time known infant's different condition according to this cue, in time gets back to the infant and takes care of at one's side and to it.
Present embodiment adopts the particular circuit configurations shown in Fig. 3-7, and that this circuit structure has is simple in structure, stable performance, cost is lower, cost performance is high advantage, thereby makes the present invention have good market outlook.
Fig. 3-7 discloses the parameter value and the model of the components and parts of each circuit in the present embodiment; Need to prove that the parameter value of components and parts and model can be adjusted according to actual conditions.Those skilled in the art need not novelty work and to the modification of content of the present invention, all belong to the scope of the present invention's protection.
Above content is merely preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, this description should not be construed as limitation of the present invention.
Claims (10)
1. Story machine that has infant's urine-wet alarm function; Comprise the Story machine body; The Story machine body comprises sound circuit; It is characterized in that: Story machine also comprises watch-dog; The Story machine body also comprise be used to respond to the infant urinate the wet sensor circuit of wet urine, be used to trigger low-frequency oscillatory network work trigger circuit, be used to control low-frequency oscillatory network, 49.86MHz oscillatory circuit that the 49.86MHz oscillatory circuit produces oscillator signal, be used for oscillator signal is modulated and the modulation transmitter of emitting radio wave; The output terminal of the wet sensor circuit of urine is connected with the input end of trigger circuit; The output terminal of trigger circuit is connected with the input end of low-frequency oscillatory network, and the output terminal of low-frequency oscillatory network is connected with the input end of 49.86MHz oscillatory circuit, and the output terminal of 49.86MHz oscillatory circuit is connected with the input end of modulation transmitter; Watch-dog comprises and is used to the receiving demodulation circuit that receives radiowave and demodulate oscillator signal, the low-frequency amplifier circuit that is used for oscillator signal is amplified and sends cue that the output terminal of receiving demodulation circuit is connected with the input end of low-frequency amplifier circuit.
2. a kind of Story machine that has infant's urine-wet alarm function according to claim 1 is characterized in that: the wet sensor circuit of said urine comprises humidity sensor.
3. a kind of Story machine that has infant's urine-wet alarm function according to claim 1 is characterized in that: said trigger circuit comprise the triode Q1 of NPN type, the triode Q2 of positive-negative-positive, capacitor C 2, resistance R 1, R6; The end of R6 is connected with the input end of trigger circuit; The other end of R6 is connected with the base stage of Q1; The collector of Q1 is connected with the end of R1, and the other end of R1 is connected with the base stage of Q2, and the emitter of Q2 is connected with body power supply VCC; The collector of Q2, the positive pole of C2 are connected with the output terminal of trigger circuit, the negative pole of C2, the equal ground connection of the emitter of Q1.
4. a kind of Story machine that has infant's urine-wet alarm function according to claim 1 is characterized in that: said low-frequency oscillatory network comprises the triode Q3 of NPN type, the triode Q4 of NPN type, resistance R 2, R3, R4, R5, capacitor C 1, C3; The end of the end of R2, the end of R3, R4, the end of R5 are connected with the input end of low-frequency oscillatory network; The other end of R2, the base stage of Q3 are connected with the end of C3; The end of the other end of R3, C1 is connected with the collector of Q3; The other end of R4, the other end of C1 are connected with the base stage of Q4, and the collector of the other end of R5, the other end of C3, Q4 is connected with the output terminal of low-frequency oscillatory network, the emitter of Q3, the equal ground connection of the emitter of Q4.
5. a kind of Story machine that has infant's urine-wet alarm function according to claim 1 is characterized in that: said 49.86MHz oscillatory circuit comprises the triode Q5 of NPN type, crystal oscillator Y1, resistance R 7, R8, R9, capacitor C 4, C20, inductance L 1; The end of R8 connects the input end of 49.86MHz oscillatory circuit; The end of the end of the other end of R8, the emitter of Q5, C20, the end of R9, C4 is connected with the output terminal of 49.86MHz oscillatory circuit; The other end ground connection of R9; The end of R7, the end of L1 are connected with body power supply VCC, and the end of the other end of R7, Y1 is connected with the base stage of Q5, and the other end of the other end of Y1, the other end of L1, C4, the other end of C20 are connected with the collector of Q5.
6. a kind of Story machine that has infant's urine-wet alarm function according to claim 1 is characterized in that: said modulation transmitter comprises the triode Q6 of NPN type, inductance L 2, L3, L4, resistance R 11, capacitor C 5, C6, C7, C8, C9, antenna; The end of C7, the base stage of Q6 are connected with the input end of modulation transmitter; The end of L2 is connected with body power supply VCC; The end of the other end of L2, C5 is connected with the collector of Q6; The end of the emitter of Q6, R11 is connected with the end of C8, and the end of the other end of C5, C9 is connected with the end of L3, and the end of the other end of L3, L4 is connected with the end of C6; The other end of L4 is connected with antenna, the equal ground connection of the other end of the other end of the other end of C7, the other end of R11, C8, the other end of C9, C6.
7. a kind of Story machine that has infant's urine-wet alarm function according to claim 1 is characterized in that:
Said receiving demodulation circuit comprises the triode Q8 of NPN type, inductance L 5, L6, L8, resistance R 10, R16, R17, R20, capacitor C 12, C13, C14, C15, C16, C17, C18, C19, antenna; The end of L5 is connected with antenna; The other end of L5 is connected with the end of C12; The end of the end of the other end of C12, C13, the end of C14, L6 is connected with the collector of Q8, and the end of the end of the other end of C14, the other end of L6, R10, the end of C16, R16, the end of C19 are connected with the end of C15, and the other end of R10 is connected with the watch-dog power supply; The other end of C15 is connected with the end of R17; The other end of R17 is connected with the output terminal of receiving demodulation circuit, and the other end of R16, the positive pole of C18 are connected with the base stage of Q8, and the end of the other end of C13, L8 is connected with the emitter of Q8; The end of the other end of L8, C17 is connected with the end of R20, the equal ground connection of the other end of the negative pole of the other end of C17, the other end of R20, C18, the other end of C19, C16;
Said low-frequency amplifier circuit comprises loudspeaker, the triode Q9 of NPN type, inductance L 7, resistance R 18, R19; One end of the end of R18, the end of L7, loudspeaker is connected with the watch-dog power supply; The end of the other end of R18, R19, the base stage of Q9 are connected with the input end of low-frequency amplifier circuit; The other end of L7, the other end of loudspeaker are connected with the collector of Q9, the other end of R19, the equal ground connection of the emitter of Q9.
8. a kind of Story machine that has infant's urine-wet alarm function according to claim 1; It is characterized in that: said sound circuit comprises microcontroller, display driver circuit, LCD display, sound amplifying circuit, control input circuit; The output terminal of control input circuit is connected with the control input end of microcontroller; The audio output of microcontroller is connected with the input end of sound amplifying circuit; The video output terminals of microcontroller is connected with the input end of display driver circuit, and the output terminal of display driver circuit is connected with the input end of LCD display.
9. a kind of Story machine that has infant's urine-wet alarm function according to claim 8; It is characterized in that: said Story machine body also comprises body power circuit, power control circuit; The output terminal of body power circuit is connected with the power input of microcontroller, the power input of display driver circuit, the power input of sound amplifying circuit, the input end of power control circuit respectively, and the output terminal of power control circuit is connected with the power input of the wet sensor circuit of urine, the power input of trigger circuit, the power input of low-frequency oscillatory network, the power input of 49.86MHz oscillatory circuit, the power input of modulation transmitter respectively.
10. a kind of Story machine that has infant's urine-wet alarm function according to claim 1; It is characterized in that: said watch-dog also comprises the watch-dog power circuit, and the output terminal of watch-dog power circuit is connected with the power input of receiving demodulation circuit, the power input of low-frequency amplifier circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010106188745A CN102568259A (en) | 2010-12-31 | 2010-12-31 | Story machine with infant urine wetting alarm function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106188745A CN102568259A (en) | 2010-12-31 | 2010-12-31 | Story machine with infant urine wetting alarm function |
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| CN102568259A true CN102568259A (en) | 2012-07-11 |
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| CN2010106188745A Pending CN102568259A (en) | 2010-12-31 | 2010-12-31 | Story machine with infant urine wetting alarm function |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US10559187B2 (en) | 2011-07-19 | 2020-02-11 | Hill-Rom Services, Inc. | Moisture detection system |
| US10682263B2 (en) | 2013-03-13 | 2020-06-16 | Hill-Rom Services, Inc. | Apparatus for the detection of moisture |
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| US10022277B2 (en) | 2013-03-13 | 2018-07-17 | Hill-Rom Services, Inc. | Methods and apparatus for the detection of moisture and multifunctional sensor systems |
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| US10159607B2 (en) | 2015-11-16 | 2018-12-25 | Hill-Rom Services, Inc. | Incontinence detection apparatus |
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| US10115291B2 (en) | 2016-04-26 | 2018-10-30 | Hill-Rom Services, Inc. | Location-based incontinence detection |
| US11457848B2 (en) | 2016-11-29 | 2022-10-04 | Hill-Rom Services, Inc. | System and method for determining incontinence device replacement interval |
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