CN201965777U - Story telling machine with baby wetting warning function - Google Patents
Story telling machine with baby wetting warning function Download PDFInfo
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- CN201965777U CN201965777U CN201020694960XU CN201020694960U CN201965777U CN 201965777 U CN201965777 U CN 201965777U CN 201020694960X U CN201020694960X U CN 201020694960XU CN 201020694960 U CN201020694960 U CN 201020694960U CN 201965777 U CN201965777 U CN 201965777U
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Abstract
The utility model discloses a story telling machine with baby wetting warning function. The story telling machine comprises a story telling machine main body and a monitor. The story telling machine main body comprises a voice circuit, a wetting induction circuit, a trigger circuit, a low frequency oscillating circuit, a 49.86MHz oscillating circuit, and a modulation and transmission circuit, wherein the output end of the wetting induction circuit is connected to 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 and transmission circuit. The monitor comprises a receiving and demodulation circuit and a low frequency amplifying circuit, wherein the output end of the receiving and demodulation circuit is connected with the input end of the low frequency amplifying circuit. In case of baby wetting, the story telling machine main body inducts the wetting and emits radiowave, and the monitor receives the radiowave and emits a prompt signal to remind a guardian to get aware of the wetting of the baby in time.
Description
Technical field
The utility model relates to the Story machine technical field, relates 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. by the control sound circuit; When Story machine is in when playing duty, the guardian may need to 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 utility model 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 comprises that also being used to respond to the infant urinates the wet sensor circuit of wet urine, be used to trigger the trigger circuit of low-frequency oscillatory network work, be used to control the low-frequency oscillatory network that the 49.86MHz oscillatory circuit produces oscillator signal, 49.86MHz oscillatory circuit, be used for oscillator signal is modulated the also 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, 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 and is used to the receiving demodulation circuit that receives radiowave and demodulate oscillator signal, be used for oscillator signal is amplified and sends the low-frequency amplifier circuit of cue, 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, the other end of R1 is connected with the base stage of Q2, 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, 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, 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, the end of the other end of C5, C9 is connected with the end of L3, 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 other end of C12, the end of C13, the end of C14, the end of L6 is connected with the collector of Q8, the other end of C14, the other end of L6, the end of R10, the end of C16, the end of R16, the end of C19 is connected with the end of C15, 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, the other end of R16, the positive pole of C18 is connected with the base stage of Q8, the other end of C13, the end of L8 is connected with the emitter of Q8, the other end of L8, the end of C17 is connected the other end of C17 with the end of R20, the other end of R20, the negative pole of C18, the other end of C19, the equal ground connection of the other end of 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, 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.
The utility model beneficial effect: the Story machine of the infant's of having urine-wet alarm function of the present utility model 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, 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 utility model.
Fig. 2 is the structural representation of watch-dog of the present utility model.
Fig. 3 is the circuit diagram of the wet sensor circuit of urine of the present utility model, 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 utility model, low-frequency amplifier circuit, watch-dog power circuit.
Fig. 5 is the circuit diagram of sound circuit of the present utility model first.
Fig. 6 is the circuit diagram of sound circuit second portion of the present utility model.
Fig. 7 is the circuit diagram of sound circuit third part of the present utility model.
Embodiment
Referring to Fig. 1 to 7, the utility model is described in detail 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 comprises that also being used to respond to the infant urinates the wet sensor circuit 101 of wet urine, be used to trigger the trigger circuit 102 of low-frequency oscillatory network 103 work, be used to control the low-frequency oscillatory network 103 that 49.86MHz oscillatory circuit 104 produces oscillator signal, 49.86MHz oscillatory circuit 104, be used for oscillator signal is modulated the also 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, be used for oscillator signal is amplified and sends the low-frequency amplifier circuit 202 of cue, 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 by 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 utility model can also use the sound circuit of prior art, the sound circuit of prior art is combined with infant's urine-wet alarm function of this programme, realize purpose of the present invention, the sound circuit of prior art has multiple structure, does not repeat them here.
The Story machine body also comprises body power circuit 107, power control circuit 106, the output terminal of body power circuit 107 respectively 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 connects, the output terminal of power control circuit 106 respectively 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 103,49.86MHz the power input of oscillatory circuit 104, the power input of modulation transmitter 105 connects.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 by 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 by 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 by 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, 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, 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 other end of C12, the end of C13, the end of C14, the end of L6 is connected with the collector of Q8, the other end of C14, the other end of L6, the end of R10, the end of C16, the end of R16, the end of C19 is connected with the end of C15, 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, the other end of R16, the positive pole of C18 is connected with the base stage of Q8, the other end of C13, the end of L8 is connected with the emitter of Q8, the other end of L8, the end of C17 is connected the other end of C17 with the end of R20, the other end of R20, the negative pole of C18, the other end of C19, the equal ground connection of the other end of 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 utility model is as follows.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, the utlity model has good market outlook thereby make.
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 the utility model content, all belong to the scope of the utility model protection.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
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 comprises that also being used to respond to the infant urinates the wet sensor circuit of wet urine, be used to trigger the trigger circuit of low-frequency oscillatory network work, be used to control the low-frequency oscillatory network that the 49.86MHz oscillatory circuit produces oscillator signal, 49.86MHz oscillatory circuit, be used for oscillator signal is modulated the also 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, 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 and is used to the receiving demodulation circuit that receives radiowave and demodulate oscillator signal, be used for oscillator signal is amplified and sends the low-frequency amplifier circuit of cue, 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 described 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: described 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, the other end of R1 is connected with the base stage of Q2, 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: described 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, 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: described 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, 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: described 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, the end of the other end of C5, C9 is connected with the end of L3, 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:
Described 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 other end of C12, the end of C13, the end of C14, the end of L6 is connected with the collector of Q8, the other end of C14, the other end of L6, the end of R10, the end of C16, the end of R16, the end of C19 is connected with the end of C15, 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, the other end of R16, the positive pole of C18 is connected with the base stage of Q8, the other end of C13, the end of L8 is connected with the emitter of Q8, the other end of L8, the end of C17 is connected the other end of C17 with the end of R20, the other end of R20, the negative pole of C18, the other end of C19, the equal ground connection of the other end of C16;
Described 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: described 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: described Story machine body also comprises the body power circuit, power control circuit, the output terminal of body power circuit respectively 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 connects, the output terminal of power control circuit respectively 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, 49.86MHz the power input of oscillatory circuit, the power input of modulation transmitter connects.
10. a kind of Story machine that has infant's urine-wet alarm function according to claim 1, it is characterized in that: described 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 |
|---|---|---|---|
| CN201020694960XU CN201965777U (en) | 2010-12-31 | 2010-12-31 | Story telling machine with baby wetting warning function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020694960XU CN201965777U (en) | 2010-12-31 | 2010-12-31 | Story telling machine with baby wetting warning function |
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| CN201965777U true CN201965777U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020694960XU Expired - Fee Related CN201965777U (en) | 2010-12-31 | 2010-12-31 | Story telling machine with baby wetting warning function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123533A (en) * | 2019-06-10 | 2019-08-16 | 吴建堂 | Baby urinates urine alarm set |
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2010
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123533A (en) * | 2019-06-10 | 2019-08-16 | 吴建堂 | Baby urinates urine alarm set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Jinlian Document name: Notice of non enforcement of property preservation |