CN2739601Y

CN2739601Y - Infant fever wireless monitoring device

Info

Publication number: CN2739601Y
Application number: CN 200420063687
Authority: CN
Inventors: 邵国强
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-01
Filing date: 2004-11-01
Publication date: 2005-11-09
Anticipated expiration: 2014-11-01

Abstract

The utility model relates to an infant fever wireless monitoring device which can timely alarm the infant fever, comprising a temperature sensor (1), a signal amplifying circuit (2), a coding device (3), a frequency adjustment transmission circuit (4), a frequency adjustment reception circuit (5), a decoding and drive circuit (6), and a voice, light, and vibration alarm device (8). The output terminal of the (1) connects with the input terminal of the (2) whose output terminal connects with the input terminal of the (3), and the output terminal of the (3) connects with the input terminal of the (4). The (4) transmits wireless signal and the (5) receives wireless signal. The output terminal of the (5) connects with the input terminal of the (6) whose output terminal connects with the input terminal of the (8). The (1) is commonly fixed under the armpit of the infant and when the body temperature of the infant is over the normal temperature, the (4) transmits wireless alarm signal. The (5) carried by the parents receives and decodes the signal and alarm the parents through the (8). After the parents receiving the alarm, the illness of the child can be treated promptly and the child can get timely treatment and care.

Description

Infant's wireless monitoring device of having a fever

Technical field:

The utility model relates to a kind of device that can in time report to the police to infant's fever situation.

Background technology:

Nascent baby is sleeping most of the time, and father and mother's great majority in this time of baby do not have the experience of baby-sit, if the situation that having a fever appears in the baby is often found lately, so that delay treatment.A little bigger slightly child also often can not say the situation of oneself exactly, only can cry and scream when uncomfortable, and father and mother do not note observing, and also carelessness can not obtain medical treatment the state of an illness in early days easily.Modern young father and mother have the work of oneself mostly, can not dally over one's work, and make much of child again, and are very arduous, and therefore young father and mother need a kind of supervising device very easily, and it can in time warn the head of a family when child has a fever.Also there is not at present such supervising device.

The utility model content:

For the father and mother that make the infant in time obtain alarm when child has a fever, the utility model provides a kind of infant who can be when the infant has a fever reports to the police the wireless monitoring device of having a fever to infant's father and mother.The technical solution of the utility model is: it is by temperature sensor 1, signal amplification circuit 2, scrambler 3, modulating emission circuit 4, FM reception circuit 5, decoding and driving circuit 6 harmony, light, vibration alarm 8 is formed, the output terminal of temperature sensor 1 connects the input end of signal amplification circuit 2, the output terminal of signal amplification circuit 2 connects the input end of scrambler 3, the output terminal of scrambler 3 connects the input end of modulating emission circuit 4, modulating emission circuit 4 emission wireless signals, FM reception circuit 5 receives the wireless signal of modulating emission circuit 4 emissions, the output terminal of FM reception circuit 5 connects the input end of decoding and driving circuit 6, the output terminal connection sound of decoding and driving circuit 6, light, the input end of vibration alarm 8.Temperature sensor 1 of the present utility model generally is fixed on infant's armpit place, it monitors child's body temperature constantly, when child's body temperature surpasses normal body temperature, temperature sensor 1 detects this temperature variation, by signal amplification circuit 2 output signals, carry out wireless transmit after encoded, be carried at father and mother's FM reception circuit 5 at one's side, decoding and driving circuit 6 harmony, light, FM reception circuit 5 in the vibration alarm 8 receives wireless signal, the decoding back is by sound, light, vibration alarm 8 is reported to the police to child's father and mother, after child's father and mother receive the report for police service, handle child's the state of an illness immediately, can make child obtain treating the most timely and looking after.The utility model adopts the radio alarming mode, sound, light, vibration alarm 8 are not child not at one's side, therefore can not alarm child, structure is small and exquisite to be easy to carry, petty commodities also can be received alerting signal even child's father and mother go out near attractable point, child father and mother can do things wholeheartedly, have removed child father and mother's trouble and worry.Simple in structure, the reliable operation of the utility model has big promotional value.

Description of drawings:

Fig. 1 is a structural representation of the present utility model, Fig. 2 is the electrical block diagram of temperature sensor 1 in the utility model embodiment one, signal amplification circuit 2, scrambler 3 and modulating emission circuit 4, and Fig. 3 is the electrical block diagram of FM reception circuit 5 in the utility model embodiment one, decoding and driving circuit 6 harmony, light, vibration alarm 8.

Embodiment:

Embodiment one: specify present embodiment below in conjunction with Fig. 1, Fig. 2 and Fig. 3.Present embodiment is by temperature sensor 1, signal amplification circuit 2, scrambler 3, modulating emission circuit 4, FM reception circuit 5, decoding and driving circuit 6 harmony, light, vibration alarm 8 is formed, the output terminal of temperature sensor 1 connects the input end of signal amplification circuit 2, the output terminal of signal amplification circuit 2 connects the input end of scrambler 3, the output terminal of scrambler 3 connects the input end of modulating emission circuit 4, modulating emission circuit 4 emission wireless signals, FM reception circuit 5 receives the wireless signal of modulating emission circuit 4 emissions, the output terminal of FM reception circuit 5 connects the input end of decoding and driving circuit 6, the output terminal connection sound of decoding and driving circuit 6, light, the input end of vibration alarm 8.As shown in Figure 2, temperature sensor 1 is by thermistor M2, integrated operational amplifier A1, integrated operational amplifier A2, rheostat W2, seven resistance (R11, R12, R13, R14, R15, R16 and R17), power supply VCC and capacitor C 3 are formed, the end ground connection of thermistor M2, the other end of thermistor M2 connects the in-phase input end of integrated operational amplifier A1 and an end of resistance R 11, the other end of resistance R 11 connects an end of resistance R 12, the pin 3 of integrated operational amplifier A1, one end of resistance R 14 and power supply VCC, the reverse input end of integrated operational amplifier A1 connects the other end of resistance R 12 and the slider of rheostat W2, the end ground connection of the pin 7 of integrated operational amplifier A1 and rheostat W2, the other end of resistance R 14 connects an end of resistance R 13, one end of resistance R 16 and the in-phase input end of integrated operational amplifier A2, the output terminal of integrated operational amplifier A1 connects the reverse input end of integrated operational amplifier A2, one end of capacitor C 3 and an end of resistance R 15, the other end ground connection of the other end of capacitor C 3 and resistance R 13,, the output terminal of integrated operational amplifier A2 connects the other end of resistance R 16, one end of resistance R 17 and the other end of resistance R 15; The model of thermistor M2 is M847; The model of A1 and A2 all is TAA2661

Signal amplification circuit 2 is made up of triode T9, diode D6, and the other end of resistance R 17 connects the base stage of triode T9, and the emitter of triode T9 meets power supply VCC, and the collector of triode T9 connects the positive pole of diode D6;

Scrambler 3 is by coding chip IC4, four resistance (R20, R24, R27 and R26) and triode T7 composition, the model of coding chip IC4 is PT2262, one end of resistance R 20 connects the positive pole of diode D6, the other end of resistance R 20 connects the pin 12 of coding chip IC4 and an end of resistance R 24, the other end ground connection of resistance R 24, the pin 1 of coding chip IC4 is to pin 8, pin 10, pin 11, pin 13 is unsettled, the pin 9 of coding chip IC4 and pin 14 be ground connection all, the pin 15 of coding chip IC4 connects the pin 16 of coding chip IC4 by resistance R 26, the pin 17 of coding chip IC4 connects the base stage of triode T7 by resistance R 27, the grounded emitter of triode T7, the pin 18 of coding chip IC4 connects the negative pole of diode D6;

Modulating emission circuit 4 is by inductance L 1, resistance R 28, capacitor C 4, capacitor C 5, capacitor C 6, triode T8, antenna ANT1 and oscillator G1 form, the model of oscillator G1 is ND/R315, one end of inductance L 1 connects an end of capacitor C 4 and the negative pole of diode D6, the other end of inductance L 1 connects the other end of capacitor C 4, one end of resistance R 28, the terminals of oscillator G1, one end of capacitor C 5, one end of capacitor C 6 and the collector of triode T8, the other end of resistance R 28 connects the base stage of another terminals and the triode T8 of oscillator G1, the emitter of triode T8 connects collector and the other end of capacitor C 5 and the shielded signal end of oscillator G1 of triode T7, and the other end of capacitor C 6 is line ANT1 incessanly;

FM reception circuit 5 is by power supply ECC, antenna ANT2, modem chip IC1,16 resistance (R101～R116), triode T11, triode T12,12 electric capacity (C101～C112) and three inductance (L11～L13) form, antenna ANT2 connects an end of capacitor C 102, one end of capacitor C 103 and an end of inductance L 11, the other end ground connection of the other end of capacitor C 102 and inductance L 11, the other end of capacitor C 103 connects the base stage of an end and the triode T11 of resistance R 102, the grounded emitter of triode T11, the collector of triode T11 connects an end of capacitor C 104 and an end of resistance R 103, the other end of resistance R 103 connects the other end of resistance R 102 and an end of resistance R 101, the other end of resistance R 101 connects an end of capacitor C 101, one end of resistance R 107, one end of resistance R 108, one end of capacitor C 109, one end of resistance R 114 and power supply ECC, the other end ground connection of the other end of capacitor C 101 and capacitor C 109, the other end of capacitor C 104 connects an end of capacitor C 105, one end of resistance R 104, one end of resistance R 105, one end of resistance R 109 and an end of inductance L 13, the other end of capacitor C 105 connects an end of capacitor C 106, one end of capacitor C 107, one end of capacitor C 108, one end of resistance R 106, one end of resistance R 107 and the base stage of triode T12, the other end of capacitor C 108 connects the other end of inductance L 13 and the emitter of triode T12, the other end of capacitor C 106 connects the other end of capacitor C 107 and an end of inductance L 12, the other end of inductance L 12 connects the other end of resistance R 108 and the collector of triode T12, the other end of resistance R 109 connects an end of capacitor C 110, the other end of capacitor C 110 connects an end of resistance R 110, one end of capacitor C 111 and the pin 5 of modem chip IC1, the other end of resistance R 104, the other end of resistance R 105, the other end of resistance R 106, the other end ground connection of the other end of resistance R 110 and capacitor C 111, the pin 1 of modem chip IC1 connects an end of resistance R 111, the other end of resistance R 111 connects an end of capacitor C 112, one end of resistance R 113 and the pin 3 of modem chip IC1, the pin 2 of modem chip IC1 connects the other end of resistance R 113, one end of resistance R 116 and the other end of resistance R 114, the other end of resistance R 116, pin 4 ground connection of one end of resistance R 115 and modem chip IC1, the pin 6 of modem chip IC1 connects the other end of resistance R 115 and an end of resistance R 112, the pin 7 of modem chip IC1 connects the other end of resistance R 112 and the other end of capacitor C 112, and the model of modem chip IC1 is LM358.

Decoding and driving circuit 6 are made up of decoding chip IC2, resistance R 117, resistance R 119, resistance R 122, triode T13 and resistance R 123, the pin 1 of decoding chip IC2 is unsettled to pin 8, pin 10, pin 11, pin 13, pin 9 ground connection of decoding chip IC2, the pin 12 of decoding chip IC2 connects an end of resistance R 119, the pin 14 of decoding chip IC2 connects the pin 1 of modem chip IC1, the pin 15 of decoding chip IC2 connects the pin 16 of decoding chip IC2 by resistance R 22, the pin 17 of decoding chip IC2 connects an end of resistance R 117, and the pin 18 of decoding chip IC2 connects power supply ECC; The model of decoding chip IC2 is PT2272.The other end of resistance R 117 connects the base stage of triode T3, and the collector of triode T3 connects an end of resistance R 123, and the other end of resistance R 123 connects power supply ECC.

Sound, light, vibration alarm 8 is by light emitting diode D12, Music Clip IC3, potentiometer W4, loudspeaker YQ, Vib. ZD and K switch 2 are formed, the positive pole of light emitting diode D12 connects the other end of resistance R 119, the minus earth of light emitting diode D12, the moving contact of K switch 2 connects the emitter of triode T13, the static contact K2-1 of K switch 2 connects the input end of Music Clip IC3 and the terminals of loudspeaker YQ, another input end grounding of Music Clip IC3, the output terminal of Music Clip IC3 connects the end of potentiometer W4, the slider of another termination potentiometer W4 of potentiometer W4 and another terminals of loudspeaker YQ, the static contact K2-2 of K switch 2 is unsettled, the static contact K2-3 of K switch 2 connects the terminals of Vib. ZD, another terminals ground connection of Vib. ZD.

The principle of work of present embodiment is as follows: after infant's fever, the resistance that is placed on the thermistor M2 at child's armpit place descends, the reverse input of the integrated operational amplifier A1 of device is by the reverse input end of gating output signal to integrated operational amplifier A2 as a comparison, integrated operational amplifier A2 and C3 etc. constitute an one shot multivibrator, the signal output of A1 makes the low level signal of the pulsation of output terminal output of A2, signal is added on the pin 12 of coding chip IC4 by the amplification of T9, the serial pulses sign indicating number of the pin 17 output bunchiness of coding chip IC4 also is added on the base stage of T7, the signal of diode D6 output is through the high frequency oscillator and the G1 of L1 and C4 composition, the high-power RF amplifier that T8 etc. form, produce 315 hertz carrier signal, the serial signal of this carrier signal and T7 output superposes and launches from antenna ANT1 through the C6 coupling.The antenna ANT2 that is carried at child head of a family's the utility model signal receive section at one's side receives the signal of ANT1, pass through C102, the frequency-selecting of L11, the base stage that is coupled to T11 by C103 is carried out high frequency and is amplified again, then by C104, C105 is coupled to by C106, C107, L12, C108, the mixing oscillatory circuit that T12 and L13 form, produce an intermediate-freuqncy signal, again by R109, C110 outputs to the pin 5 of IC1, finish the modulation of signal, take out serial pulse signal, the pin 1 of this signal by IC1 is added on the pin 14 of IC2, then by the logical circuit of IC2 inside, buffering circuit and latch control circuit (memory circuit) are handled, 5 volts of level of 12 pin output by IC2, light light emitting diode D12, pin 17 output signals of IC2 are through the selection of the amplification of T13 and K switch 2 or make the loudspeaker sounding alarm or make Vib. ZD vibration alarming or only report to the police by light emitting diode D12.

Claims

1, infant's wireless monitoring device of having a fever, it is characterized in that it is by temperature sensor (1), signal amplification circuit (2), scrambler (3), modulating emission circuit (4), FM reception circuit (5), decoding and driving circuit (6) harmony, light, vibration alarm (8) is formed, the output terminal of temperature sensor (1) connects the input end of signal amplification circuit (2), the output terminal of signal amplification circuit (2) connects the input end of scrambler (3), the output terminal of scrambler (3) connects the input end of modulating emission circuit (4), modulating emission circuit (4) emission wireless signal, FM reception circuit (5) receives the wireless signal of modulating emission circuit (4) emission, the output terminal of FM reception circuit (5) connects the input end of decoding and driving circuit (6), the output terminal connection sound of decoding and driving circuit (6), light, the input end of vibration alarm (8).

2, the infant according to claim 1 wireless monitoring device of having a fever, it is characterized in that temperature sensor (1) is by thermistor (M2), integrated operational amplifier (A1), integrated operational amplifier (A2), rheostat (W2), seven resistance (R11, R12, R13, R14, R15, R16 and R17), power supply (VCC) and electric capacity (C3) are formed, one end ground connection of thermistor (M2), the other end of thermistor (M2) connects the in-phase input end of integrated operational amplifier (A1) and an end of resistance (R11), the other end of resistance (R11) connects an end of resistance (R12), the pin 3 of integrated operational amplifier (A1), one end of resistance (R14) and power supply (VCC), the reverse input end of integrated operational amplifier (A1) connects the other end of resistance (R12) and the slider of rheostat (W2), one end ground connection of the pin 7 of integrated operational amplifier (A1) and rheostat (W2), the other end of resistance (R14) connects an end of resistance (R13), the in-phase input end of one end of resistance (R16) and integrated operational amplifier (A2), the output terminal of integrated operational amplifier (A1) connects the reverse input end of integrated operational amplifier (A2), one end of one end of electric capacity (C3) and resistance (R15), the other end ground connection of the other end of electric capacity (C3) and resistance (R13), the output terminal of integrated operational amplifier (A2) connects the other end of resistance (R16), the other end of one end of resistance (R17) and resistance (R15).

3, the infant according to claim 2 wireless monitoring device of having a fever, it is characterized in that signal amplification circuit (2) is made up of triode (T9), diode (D6), the other end of resistance (R17) connects the base stage of triode (T9), the emitter of triode (T9) connects power supply (VCC), and the collector of triode (T9) connects the positive pole of diode (D6).

4, the infant according to claim 3 wireless monitoring device of having a fever, it is characterized in that scrambler (3) is by coding chip (IC4), four resistance (R20, R24, R27 and R26) and triode (T7) composition, one end of resistance (R20) connects the positive pole of diode (D6), the other end of resistance (R20) connects the pin 12 of coding chip (IC4) and an end of resistance (R24), the other end ground connection of resistance (R24), the pin 1 of coding chip (IC4) is to pin 8, pin 10, pin 11, pin 13 is unsettled, the pin 9 of coding chip (IC4) and pin 14 be ground connection all, the pin 15 of coding chip (IC4) connects the pin 16 of coding chip (IC4) by resistance (R26), the pin 17 of coding chip (IC4) connects the base stage of triode (T7) by resistance (R27), the grounded emitter of triode (T7), the pin 18 of coding chip (IC4) connects the negative pole of diode (D6).

5, the infant according to claim 4 wireless monitoring device of having a fever, it is characterized in that modulating emission circuit (4) is by inductance (L1), resistance (R28), electric capacity (C4), electric capacity (C5), electric capacity (C6), triode (T8), antenna (ANT1) and oscillator (G1) are formed, one end of inductance (L1) connects an end of electric capacity (C4) and the negative pole of diode (D6), the other end of inductance (L1) connects the other end of electric capacity (C4), one end of resistance (R28), terminals of oscillator (G1), one end of electric capacity (C5), the collector of one end of electric capacity (C6) and triode (T8), (other end of R280 connects the base stage of another terminals and the triode (T8) of oscillator (G1) to resistance, the emitter of triode (T8) connects collector and the other end of electric capacity (C5) and the shielded signal end of oscillator (G1) of triode (T7), and the other end of electric capacity (C6) is line (ANT1) incessanly.

6, the infant according to claim 1 wireless monitoring device of having a fever, it is characterized in that FM reception circuit (5) is by power supply (ECC), antenna (ANT2), modem chip (IC1), 16 resistance (R101～R116), triode (T11), triode (T12), 12 electric capacity (C101～C112) and three inductance (L11～L13) form, antenna (ANT2) connects an end of electric capacity (C102), one end of one end of electric capacity (C103) and inductance (L11), the other end ground connection of the other end of electric capacity (C102) and inductance (L11), the other end of electric capacity (C103) connects the base stage of an end and the triode (T11) of resistance (R102), the grounded emitter of triode (T11), the collector of triode (T11) connects an end of electric capacity (C104) and an end of resistance (R103), the other end of resistance (R103) connects the other end of resistance (R102) and an end of resistance (R101), the other end of resistance (R101) connects an end of electric capacity (C101), one end of resistance (R107), one end of resistance (R108), one end of electric capacity (C109), one end of resistance (R114) and power supply (ECC), the other end ground connection of the other end of electric capacity (C101) and electric capacity (C109), the other end of electric capacity (C104) connects an end of electric capacity (C105), one end of resistance (R104), one end of resistance (R105), one end of one end of resistance (R109) and inductance (L13), the other end of electric capacity (C105) connects an end of electric capacity (C106), one end of electric capacity (C107), one end of electric capacity (C108), one end of resistance (R106), the base stage of one end of resistance (R107) and triode (T12), the other end of electric capacity (C108) connects the other end of inductance (L13) and the emitter of triode (T12), the other end of electric capacity (C106) connects the other end of electric capacity (C107) and an end of inductance (L12), the other end of inductance (L12) connects the other end of resistance (R108) and the collector of triode (T12), the other end of resistance (R109) connects an end of electric capacity (C110), the other end of electric capacity (C110) connects an end of resistance (R110), the pin 5 of one end of electric capacity (C111) and modem chip (IC1), the other end of resistance (R104), the other end of resistance (R105), the other end of resistance (R106), the other end ground connection of the other end of resistance (R110) and electric capacity (C111), the pin 1 of modem chip (IC1) connects an end of resistance (R111), the other end of resistance (R111) connects an end of electric capacity (C112), the pin 3 of one end of resistance (R113) and modem chip (IC1), the pin 2 of modem chip (IC1) connects the other end of resistance (R113), the other end of one end of resistance (R116) and resistance (R114), the other end of resistance (R116), pin 4 ground connection of one end of resistance (R115) and modem chip (IC1), the pin 6 of modem chip (IC1) connects the other end of resistance (R115) and an end of resistance (R112), and the pin 7 of modem chip (IC1) connects the other end of resistance (R112) and the other end of electric capacity (C112).

7, the infant according to claim 6 wireless monitoring device of having a fever, it is characterized in that decoding and driving circuit (6) are by decoding chip (IC2), resistance (R117), resistance (R119), resistance (R122), triode (T13) and resistance (R123) are formed, the pin 1 of decoding chip (IC2) is to pin 8, pin 10, pin 11, pin 13 is unsettled, pin 9 ground connection of decoding chip (IC2), the pin 12 of decoding chip (IC2) connects an end of resistance (R119), the pin 14 of decoding chip (IC2) connects the pin 1 of modem chip (IC1), the pin 15 of decoding chip (IC2) connects the pin 16 of decoding chip (IC2) by resistance (R22), the pin 17 of decoding chip (IC2) connects an end of resistance (R117), and the pin 18 of decoding chip (IC2) connects power supply (ECC); The other end of resistance (R117) connects the base stage of triode (T3), and the collector of triode (T3) connects an end of resistance (R123), and the other end of resistance (R123) connects power supply (ECC).

8, the infant according to claim 7 wireless monitoring device of having a fever, it is characterized in that sound, light, vibration alarm (8) is by light emitting diode (D12), Music Clip (IC3), potentiometer (W4), loudspeaker (YQ), Vib. (ZD) and switch (K2) are formed, the positive pole of light emitting diode (D12) connects the other end of resistance (R119), the minus earth of light emitting diode (D12), the moving contact of switch (K2) connects the emitter of triode (T13), the static contact (K2-1) of switch (K2) connects input end of Music Clip (IC3) and terminals of loudspeaker (YQ), another input end grounding of Music Clip (IC3), the output terminal of Music Clip (IC3) connects an end of potentiometer (W4), the slider of another termination potentiometer (W4) of potentiometer (W4) and another terminals of loudspeaker (YQ), the static contact (K2-2) of switch (K2) is unsettled, the static contact (K2-3) of switch (K2) connects terminals of Vib. (ZD), another terminals ground connection of Vib. (ZD).