CN2365724Y

CN2365724Y - Sleeping monitoring alarmer for child

Info

Publication number: CN2365724Y
Application number: CN 99206087
Authority: CN
Inventors: 张珣
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-22
Filing date: 1999-03-22
Publication date: 2000-02-23
Anticipated expiration: 2009-03-22

Abstract

The utility model relates to a sleeping monitoring alarm for a child. The utility model is composed of an infrared receiving circuit, an infrared externally irradiating circuit, a temperature measurement circuit, a sounding circuit, a sensing interface circuit, a key circuit, a liquid crystal display, a humidity sensing part, a power supply, and an outer shell, wherein, the infrared receiving circuit, the infrared externally irradiating circuit, the temperature measurement circuit, the sounding circuit, the sensing interface circuit, the key circuit, and the liquid crystal display are controlled by a single chip computer. Using the principle of infrared reflection to detect quilt kicking, the alarm has the functions of bed-wetting alarm, timing wake-up, sleep timing, temperature measurement for bedclothes, and simultaneous display. Being the intelligent product with the integration of multiple functions, the utility model has the advantages of wide range for environmental adaptation, safe use, reliable performance, timely and accurate alarm, no missing alarm, and no false alarm. The utility model can be used in hospitals, families, kindergartens, and nurseries.

Description

Children sleeping monitoring alarm

The utility model relates to a kind of warning device, particularly a kind of children sleeping monitoring warning device.

To the problem of relevant children sleeping monitoring, main is should be able to prevent from timely and effectively that children from pedaling in bed to be suffered from cold or the wind-engaging flu.Relevantly pedal by the kind of alarm technique a lot, what comparatively be suitable for has photo-controlled alarm and a thermometric alarm.Photo-controlled alarm has passive sensitization method, needs outer light source, and limitation is big; Also have infrared remote control method to constitute the composite aircraft device, this is very easily disturbed, and the rate of false alarm height uses inconvenience.The disclosed children that are made up of temperature measurement circuit, peak holding circuit, comparator circuit, phonation circuit and power supply of Chinese patent 95200352.X are pedaled by the thermometric alarm, be to pedal by the temperature return difference of front and back by detection to report to the police, because there are fluctuation in non-uniform temperature and temperature in the quilt, have to strengthen the temperature return difference for avoiding wrong report, this will cause warning blunt, be only applicable to colder winter, pedal by the front and back temperature difference when little for spring and summer children in autumn, this Quilt-kick-off alarm can not effectively prevent to pedal and is subjected to wind-induced flu.Simultaneously can not accomplish again to sleep timing wake-up, sleep timing, quilt temperature survey, wet the bed and report to the police.Do not have Presentation Function.

The purpose of this utility model be to provide a kind of under the normal life environment, do not have fail to report, wrong report can be guarded children's pedaling by, bed-wetting, timing wake-up, timing, the thermometric alarm of quilt in when sleep; And can show.

Children sleeping monitoring alarm comprises shell, phonation circuit, power supply, be to utilize the infrared external reflection principle, between power positive end and ground, infrared receiving circuit is set, at power positive end the infrared emission circuit is set, and between the input end of output terminal, infrared emission circuit and the phonation circuit of infrared receiving circuit, is provided with and starts to control the single chip circuit of making usefulness.

Setting is by monolithic processor controlled sensor interface circuitry and be connected with and be provided with and the be complementary wet quick sensing element of plug of described sensor interface circuitry socket.Setting is by monolithic processor controlled key circuit and LCDs, and the function key of key circuit, power switch and LCDs are arranged on the shell.Setting is by monolithic processor controlled temperature measurement circuit.Described infrared receiving circuit is made up of infrared circuit, amplifying circuit, demodulator circuit, shaping circuit, and the output terminal between them links to each other successively with input end.

The outstanding advantage of the utility model be can accomplish to pedal by, wet the bed and report to the police; can accomplish again to sleep timing wake-up, sleep timing, quilt temperature survey; and show with LCDs simultaneously; the scope that conforms is wide; safe in utilization; dependable performance; report to the police promptly and accurately; do not have wrong report under the home, fail to report; can effectively reduce children because of pedaling catching cold or the wind-engaging flu of being caused; be the high-tech product of the intellectuality monitoring children sleeping that gathers multi-function in integral whole, can be used for hospital, family, kindergarten and nursery.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a circuit diagram of the present utility model;

Fig. 2 is the panel sign synoptic diagram of LCDs.

Circuit of the present utility model is seen accompanying drawing 1, be by infrared receiving circuit 1, temperature measurement circuit 2, phonation circuit 3, single-chip microcomputer IC circuit, LCDs 4, infrared emission circuit 5, key circuit 6, sensor interface circuitry 7, power supply 8, and wet quick sensing element S constitute.Its detailed structure is:

The K switch of LCDs 4 of the present utility model, function key K1, power supply 8 is arranged on the shell, and all the other parts are fixed on the base plate, place in the shell.Both sides at shell have latch closure respectively, can lie in easily on children's waistband or the pocket.The size of shell is about the 80*50*5 cubic millimeter, in case children's mistake gulps down.

Infrared receiving circuit 1 is to be connected to form successively by infrared circuit 9, amplifying circuit 10, demodulator circuit 11, shaping circuit 12.Infrared circuit 9 is to be in series by infrared photodiode D1 and resistance R 1.Amplifying circuit 10 is to be connected in sequence by capacitor C 1, first order amplifying circuit, capacitor C 2, second level amplifying circuit, capacitor C 3.Capacitor C 1, C2, C3 are coupling capacitance, and that 2 amplifying circuits are respectively CMOS reverser IC1:A is 2 in parallel with resistance R, and CMOS reverser IC1:B and resistance R 3 and be unified into.Demodulator circuit 11 is to be connected in sequence by pull-up resistor R4, CMOS reverser IC1:C, commutation diode D2, filtering circuit.Filtering circuit is capacitor C 4 and resistance R 5 and is unified into.Shaping circuit 12 is to be made of CMOS reverser IC1:D.

Temperature measurement circuit 2 is made of thermistor R6, and the modulus converter A/D of its two ends and single-chip microcomputer IC inside joins.

Phonation circuit 3 is made of piezoelectric ceramic piece Y, and its two ends are connected with 2 output pins of single-chip microcomputer IC.

Single-chip microcomputer IC comprises driver part LCD, modulus converter A/D and single-chip microcomputer kernel IC0 three parts.Can select the singlechip chip that modulus converter A/D, driver part LCD and single-chip microcomputer kernel IC0 are integrated in one for use, as MC68HC05LX, external modulus converter A/D of also available general single chip chip and driver part LCD constitute.

LCDs 4 links to each other with driver part LCD in the single-chip microcomputer IC, and its panel sign is as follows:

13,14,15,16,17---demonstration time or temperature

21,22---the expression state

18,19,20,23,24---presentation function

Infrared emission circuit 5 is formed by driving amplifying circuit and infrarede emitting diode D3.Driving amplifying circuit is to be made of CMOS reverser IC5, IC6 parallel connection, its output termination infrarede emitting diode D3.The anode of another termination power 8 of this pipe.

Infrarede emitting diode and infrared photodiode can be discrete also can be the infrared tube that integrates.

Key circuit 6 is by touching function key K1 and pull-up resistor R7 is composed in series.Its tie point is connected with the interruption input pin of single-chip microcomputer IC.Function key K1 makes different the setting according to various functions, and by software identification, each function all has demonstration or corresponding prompt sign on LCDs 4.

Sensor interface circuitry 7 is composed in series by socket RJ and pull-up resistor R8.Its tie point is connected with another interruption input pin of single-chip microcomputer IC.

Power supply 8 constitutes by the 2 joint button cell E of 1.5V and K switch series connection back and capacitor C 5 are in parallel.

Wet quick sensing element S is that two close electrodes are made, the socket RJ coupling of its plug T and sensor interface circuitry 7.

The course of work:

Pedal and reported to the police:

Alarm will face up and be put in children with abdominal, lies on waistband or the pocket, and Closing Switch K, energized 8, single-chip microcomputer IC resets simultaneously to each port initialization.Start infrared detecting, intermittently produce high-frequency modulation signal by software and be sent to radiating circuit 5 emissions, this infrared signal receives through the quilt reflection and by infrared receiving circuit 1.The signal of 1 pair of reception of infrared receiving circuit amplifies, detection, filtering, shaping are sent to single-chip microcomputer IC with the signal of demodulation, is differentiated by single-chip microcomputer IC and confirms.Do not pedaling by the period of the day from 11 p.m. to 1 a.m, this emission, reflection, reception, discrimination process are carried out again and again.After pedaling out quilt, infrared receiving circuit 1 does not receive the useful signal that this machine sends, and after single-chip microcomputer IC secondary is confirmed, starts piezoelectric ceramic piece Y and sends chimes of doom, simultaneously the corresponding sign 24 of flicker on LCDs 4.After building quilt, stop automatically reporting to the police, recover infrared detecting again.

Wet the bed and report to the police:

Can carry out simultaneously with pedaling to be reported to the police.The plug T of wet quick sensing element S is inserted socket RJ, and wet quick sensing element S is put in below children's arm.When not wetting the bed, the input pin that single-chip microcomputer IC is connected with sensing interface circuit 7 is a high level, does not report to the police; During bed-wetting, wet quick sensing element S is low resistance, and the connected input pin of single-chip microcomputer IC becomes low level, triggers single-chip microcomputer IC and interrupts.Single-chip microcomputer IC response IE piezoelectric ceramic piece Y sends chimes of doom, the corresponding sign 23 of flicker on LCDs 4 simultaneously, take off wet quick sensing element S maybe will wet quick sensing element S dry after automatically cancellation report to the police.

Following three kinds of warnings can not be carried out simultaneously, but can come into force simultaneously with above-mentioned warning respectively.

The sleep timing wake-up

By the built-in timer of software setting, set the length of one's sleep by function key K1, after setting-up time comes into force, show the last time by LCDs 4, timing one arrives, and single-chip microcomputer IC promptly starts piezoelectric ceramic piece Y and sends and wake sound up, wakes warning up by stop timing behind the function key K1.

The sleep timing

By the built-in timer of software setting, pick up counting by function key K1 setting, and show the length of one's sleep by LCDs 4, pedal out quilt or stop timing up to WA by function key K1.

The sleep temperature survey

By the variation of single-chip microcomputer IC detection thermistor R6 resistance, the numerical value of calculating temperature.Show temperature in the quilt by LCDs 4 simultaneously.

Claims

1. a children sleeping is guarded alarm, comprise shell, phonation circuit [3], power supply [8], it is characterized in that: infrared receiving circuit [1] is set between power supply [8] anode and ground, at power supply [8] anode infrared emission circuit [5] is set, between the input end of output terminal, infrared emission circuit [5] and the phonation circuit [3] of infrared receiving circuit [1], is provided with and starts to control single-chip microcomputer [IC] circuit of making usefulness.

2. children sleeping monitoring alarm according to claim 1 is characterized in that: the sensor interface circuitry [7] by single-chip microcomputer [IC] control is set; Be provided with and the be complementary wet quick sensing element [S] of plug [T] of described sensor interface circuitry [7] socket [RJ].

3. children sleeping monitoring alarm according to claim 1, it is characterized in that: its function key [K1] by single-chip microcomputer [IC] control is set is arranged in the key circuit [6] on the shell and the LCDs [4] on the shell of being arranged in by single-chip microcomputer [IC] control is set.

4. children sleeping monitoring alarm according to claim 1 is characterized in that: the temperature measurement circuit [2] by single-chip microcomputer [IC] control is set.

5. children sleeping monitoring alarm according to claim 1, it is characterized in that: described infrared receiving circuit [1] is made up of infrared circuit [9], amplifying circuit [10], demodulator circuit [11], shaping circuit [12], links to each other successively between its output terminal and the input end.