CN2190295Y - Alarm for baby's bed-wetting or quilt throwing away - Google Patents

Abstract

The utility model relates to an alarm for baby's urine wetting or quilt kicking. The utility model is composed of the components, such as an outer casing, a wet sensor, a thermistor, a resistance, a regulating resistor, a triode, a diode, a luminous diode, a speech sound integrated block, a loudspeaker, etc. When is in use, the thermistor is positioned at a proper place of a baby's quilt, the wet sensor is positioned under a baby's diaper, and a switch is switched at the diaper changing gear or a quilt covering gear, so, when a baby kicks the quilt or wets the cloth by urine, the utility model can emit sound and light. The utility model has the advantages of simple structure, low cost and convenient and safe operation.

Description

Alarm for baby's bed-wetting or quilt throwing away

The utility model is that a kind of children play by urine-wet alarm device, belongs to child health care articles for use field.

Children's quilt kicking alarm of the prior art or urine-wet alarm device, its function is all more single, and complex structure, easy-maintaining not, cost of manufacture is also than higher.

The purpose of this utility model is to invent a kind ofly can report simultaneously that children kick open quilt in bed or the wet children on one's body of urine play by urine-wet alarm device.

The utility model is to constitute like this: it comprises shell (1), thermistor R, wet sensor (2), resistance R 1～R9, regulate resistance W, triode BG1～BG7, diode D1, light emitting diode D, voice ic chip 1, IC2, loudspeaker Y, K switch 1, K2, capacitor C, power supply E, R, W, R2, the termination K1 common port of R3, R1, R4, R5, R6, the negative pole of the termination power E of R9, the base stage of another termination BG1 of R and R1, the collector of BG1 connects the emitter of the R2 other end and BG3, BG1, the emitter of BG2 meets R4, the BG2 collector connects R3 and BG3 base stage, the BG2 base stage meets W and R5, the BG3 collector connects the anode of R6 and D1, the negative electrode of D1 connects R7 and BG4 base stage, the BG4 grounded emitter, collector meets anode and the R8 of D, the BG5 base stage meets R8, emitter connects the K1 common port, collector meets R9 and IC1, the signal input part of IC2, K2 is the duplex double-throw switch, the middle termination both positive and negative polarity of its K2-1, two ends meet IC1 respectively in addition, IC2 ground end and BG6, the BG7 emitter, IC1, the IC2 two ends meet BG6 respectively, the base stage of BG7 and collector, BG6, the collector of BG7 meets Y, middle-end and the K1 common port of another termination K2-2 of Y, the other two ends of K2-2 meet IC1 respectively, the input positive source of IC2, another termination E positive pole of K1, all elements all are contained in the shell (1) except that temperature-sensitive resistance and wet sensor, on the surface of shell D and K1 are arranged, K2, thermistor and wet sensor link by lead and circuit, and wet sensor (2) is for there being the flexible conductor (3) of several parallel placements on a cushion.

Compared with prior art, the utility model is simple in structure, cheap, esy to use, safe and reliable, when children kick open quilt or the wet bed of urine, because the variation of temperature or humidity, thermistor or wet sensor are electric signal with its physical change signal transition, and send light and audible alarm by the amplification and the conversion of circuit, realized the purpose of this utility model like this.

Accompanying drawing 1 is that surface structure synoptic diagram of the present utility model, accompanying drawing 2 are circuit theory synoptic diagram of the present utility model.

Embodiment of the present utility model: the utility model comprises: shell (1), thermistor R, wet sensor (2), resistance R 1～R9, regulate resistance W, triode BG1～BG7, diode D1, light emitting diode D, voice ic chip 1, IC2, loudspeaker Y, K switch 1, K2, capacitor C, power supply E, R, W, R2, the termination K1 common port of R3, R1, R4, R5, R6, the negative pole of the termination power E of R9, the base stage of another termination BG1 of R and R1, the collector of BG1 connects the emitter of the R2 other end and BG3, BG1, the emitter of BG2 meets R4, the BG2 collector connects R3 and BG3 base stage, the BG2 base stage meets W and R5, the BG3 collector connects the anode of R6 and D1, the negative electrode of D1 connects R7 and BG4 base stage, the BG4 grounded emitter, collector meets anode and the R8 of D, the BG5 base stage meets R8, emitter connects the K1 common port, collector meets R9 and IC1, the signal input part of IC2, K2 is the duplex double-throw switch, the middle termination both positive and negative polarity of its K2-1, two ends meet IC1 respectively in addition, IC2 ground end and BG6, the BG7 emitter, IC1, the IC2 two ends meet BG6 respectively, the base stage of BG7 and collector, BG6, the collector of BG7 meets Y, middle-end and the K1 common port of another termination K2-2 of Y, the other two ends of K2-2 meet IC1 respectively, the input positive source of IC2, another termination E positive pole of K1, all elements all are contained in the shell (1) except that temperature-sensitive resistance and wet sensor, on the surface of shell D and K1 are arranged, K2, thermistor and wet sensor link by lead and circuit, and wet sensor (2) is for there being the flexible conductor (3) of several parallel placements on a cushion; In an embodiment, R1, R5 are 1.2k Ω, R2, R3 are 4.7k Ω, R4, R7 are 2.2K Ω, R6 is 68K Ω, R8 is 3.3K Ω, R9 is 0.5K Ω, and W is 1K Ω, and BG1, BG2, BG4, BG6, BG7 model are 3AG1, the BG5 model is 3AX31, IC1, IC2 model are KP151, and can be cured as its voice " mother build by " and " mother's changing babies' napkin " respectively, and the D1 model is 2AP9, power supply is direct current 3V, and resistance is that 0.3K Ω wet sensor (2) adopts parallel being placed on the Polypropylence Sheet of two flexible conductors (3) interval 7mm to make under the thermistor R normal temperature.After carrying out according to technique scheme, during use thermistor is placed on the suitable place of children's underneath side of a quilt, wet sensor is placed under child's the diaper, with 2 groups of K switch at the changing babies' napkin shelves or build by shelves, at this moment, no matter child kick open by or the wet cloth of urine, the utility model all can shout a shout and light.

Claims (2)

1, a kind of children play by urine-wet alarm device, it comprises shell (1), thermistor R, wet sensor (2), resistance R 1～R9, regulate resistance W, triode BG1～BG7, diode D1, light emitting diode D, voice ic chip 1, IC2, loudspeaker Y, K switch 1, K2, capacitor C, power supply E, it is characterized in that: R, W, R2, the termination K1 common port of R3, R1, R4, R5, R6, the negative pole of the termination power E of R9, the base stage of another termination BG1 of R and R1, the collector of BG1 connects the emitter of the R2 other end and BG3, BG1, the emitter of BG2 meets R4, the BG2 collector connects R3 and BG3 base stage, the BG2 base stage meets W and R5, the BG3 collector connects the anode of R6 and D1, the negative electrode of D1 connects R7 and BG4 base stage, the BG4 grounded emitter, collector meets anode and the R8 of D, the BG5 base stage meets R8, emitter connects the K1 common port, collector meets R9 and IC1, the signal input part of IC2, K2 is the duplex double-throw switch, the middle termination both positive and negative polarity of its K2-1, two ends meet IC1 respectively in addition, IC2 ground end and BG6, the BG7 emitter, IC1, the IC2 two ends meet BG6 respectively, the base stage of BG7 and collector, BG6, the collector of BG7 meets Y, middle-end and the K1 common port of another termination K2-2 of Y, the other two ends of K2-2 meet IC1 respectively, the input positive source of IC2, another termination E positive pole of K1, all elements all are contained in the shell (1) except that temperature-sensitive resistance and wet sensor, on the surface of shell D and K1 are arranged, K2, thermistor and wet sensor link by lead and circuit.

2, play by urine-wet alarm device according to the described this children of claim 1, it is characterized in that: wet sensor (2) is for there being the flexible conductor (3) of several parallel placements on a cushion.

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