CN2748886Y

CN2748886Y - Infantile sleeping body surface temperature monitoring apparatus

Info

Publication number: CN2748886Y
Application number: CN 200420063685
Authority: CN
Inventors: 邵国强
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-01
Filing date: 2004-11-01
Publication date: 2005-12-28
Anticipated expiration: 2014-11-01

Abstract

An infantile sleeping body surface temperature monitoring apparatus of the utility model discloses an apparatus for monitoring whether the infant catches a chill when sleeping. The utility model comprises a thermistor (M1), a difference amplifier (1), 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 signal of resistance change outputs to the input terminal of the (1) whose output terminal connects with the input terminal of the (3). 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). When the infant kicks away the quilt, the (M1) generates resistance change and the (1) outputs signal when the resistance change achieves a setting value. The signal is coded and wirelessly transmitted. The (5) receives and decodes the wireless signal and alarm the parents of the infant through (8), and then the parents cover the quilt for the infant promptly.

Description

Shell temperature supervising device during infantal sleeping

Technical field:

The utility model relates to a kind of device of whether catching a cold when monitoring infantal sleeping.

Background technology:

Kick open quilt through regular meeting during infantal sleeping, if infant's quilt is not covered completely again, child's flu of just may suffering from cold.Present child father and mother often allow child oneself sleep in independent room in order to allow child form good independent custom, and child's father and mother have the work of oneself in addition, at every moment worry about child's sleep changes in temperature, also involve child father and mother's energy.Therefore child's father and mother all need a kind of when child sleeps temperature can be when too low to the device of father and mother's warning.

The utility model content:

For the father and mother that make the infant can access warning when the infantal sleeping temperature is low, shell temperature supervising device when the utility model provides a kind of infantal sleeping of reporting to the police by radio signal.The technical solution of the utility model is: it is by thermistor M1, differential amplifier 1, scrambler 3, modulating emission circuit 4, FM reception circuit 5, decoding and driving circuit 6 harmony, light, vibration alarm 8 is formed, the signal of thermistor M1 change in resistance outputs to the input end of differential amplifier 1, the output terminal of differential amplifier 1 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.Thermistor M1 of the present utility model, differential amplifier 1, scrambler 3, modulating emission circuit 4 is made of one on the nightwear that is fixed on infant's dress, the temperature of its body surface descends after child kicks open quilt, the resistance of thermistor M1 changes, when thermistor M1 change in resistance differential amplifier 1 output signal during to setting value, carry out wireless transmit after this signal is 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, come child's bedside immediately and build quilt, catch a cold to prevent it for it.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, and Fig. 2 is the electrical block diagram of thermistor M1 in the utility model embodiment one, differential amplifier 1, scrambler 3, modulating emission circuit 4., 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 thermistor M1, differential amplifier 1, scrambler 3, modulating emission circuit 4, FM reception circuit 5, decoding and driving circuit 6 harmony, light, vibration alarm 8 is formed, the signal of thermistor M1 change in resistance outputs to the input end of differential amplifier 1, the output terminal of differential amplifier 1 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.Thermistor M1 selects negative temperature thermistor for use as shown in Figure 2, is exactly the resistance increase along with decrease of temperature thermistor M1.Differential amplifier 1 is by power supply VCC, six resistance (R1, R2, R3, R4, R6 and R8), four triode (T1, T2, T3, T4), rheostat W1, diode D2 and diode D5 form, the end of thermistor M1 connects power supply VCC, the other end of thermistor M1 connects an end of resistance R 1 and the base stage of triode T1, the collector of triode T1 connects the emitter of triode T3 and an end of resistance R 2, the emitter of triode T1 connects the emitter of triode T2 and an end of resistance R 4, the base stage of triode T2 connects an end of resistance R 6 and the end of rheostat W1, resistance R 1, the other end of resistance R 4 and resistance R 6 is ground connection all, the base stage of triode T3 connects the collector of triode T2 and an end of resistance R 3, the collector of triode T3 connects the positive pole of diode D2, the negative pole of diode D2 connects the base stage of triode T4, the emitter of triode T4 connects the positive pole of diode D5, the collector of triode T4 connects an end of resistance R 8, resistance R 8, the other end of resistance R 3 and resistance R 2 all is connected power supply VCC, and the other end of the slider of rheostat W1 and rheostat W1 all is connected on the power supply VCC.

Scrambler 3 is by coding chip IC4, four resistance (R19, R23, R27 and R26) and triode T7 composition, the model of coding chip IC4 is PT2262, one end of resistance R 19 connects the positive pole of diode D5, the other end of resistance R 19 connects the pin 11 of coding chip IC4 and an end of resistance R 23, the other end ground connection of resistance R 23, the pin 1 of coding chip IC4 is to pin 8, pin 10, pin 12, pin 13 is all 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 D5;

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 D5, 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 by decoding chip IC2, resistance R 117, resistance R 119, resistance R 122, triode T13 and resistance R 123 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 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 122, 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.Vib. ZD selects for use common beeper and the Vib. in the mobile phone to get final product, and Music Clip IC3 selects for use general Music Clip to get final product.

The principle of work of present embodiment is as follows: when covering after child's quilt is on one's body taken off, the resistance of thermistor M2 increases with decrease of temperature, the T1 that is originally conducting state becomes and ends, and the T2 that is originally cut-off state begins conducting, T3 also becomes conducting state from cut-off state subsequently, the output signal on the pin 11 of coding chip IC4 by T4 and D5, 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, shell temperature supervising device during infantal sleeping, it is characterized in that it is by thermistor (M1), differential amplifier (1), scrambler (3), modulating emission circuit (4), FM reception circuit (5), decoding and driving circuit (6) harmony, light, vibration alarm (8) is formed, the signal of thermistor (M1) change in resistance outputs to the input end of differential amplifier (1), the output terminal of differential amplifier (1) 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, shell temperature supervising device during infantal sleeping according to claim 1, it is characterized in that thermistor (M1) selects negative temperature thermistor for use, differential amplifier (1) is by power supply (VCC), six resistance (R1, R2, R3, R4, R6 and R8), four triode (T1, T2, T3, T4), rheostat (W1), diode (D2) and diode (D5) are formed, one end of thermistor (M1) connects power supply (VCC), the other end of thermistor (M1) connects an end of resistance (R1) and the base stage of triode (T1), the collector of triode (T1) connects the emitter of triode (T3) and an end of resistance (R2), the emitter of triode (T1) connects the emitter of triode (T2) and an end of resistance (R4), the base stage of triode (T2) connects an end of resistance (R6) and an end of rheostat (W1), resistance (R1), the other end of resistance (R4) and resistance (R6) is ground connection all, the base stage of triode (T3) connects the collector of triode (T2) and an end of resistance (R3), the collector of triode (T3) connects the positive pole of diode (D2), the negative pole of diode (D2) connects the base stage of triode (T4), the emitter of triode (T4) connects the positive pole of diode (D5), the collector of triode (T4) connects an end of resistance (R8), resistance (R8), the other end of resistance (R3) and resistance (R2) is connected power supply (VCC), and the other end of the slider of rheostat (W1) and rheostat (W1) all is connected on the power supply (VCC).

3, shell temperature supervising device during infantal sleeping according to claim 2, it is characterized in that scrambler (3) 0 is by coding chip (IC4), four resistance (R19, R23, R27 and R26) and triode (T7) composition, one end of resistance (R19) connects the positive pole of diode (D5), the other end of resistance (R19) connects the pin 11 of coding chip (IC4) and an end of resistance (R23), the other end ground connection of resistance (R23), the pin 1 of coding chip (IC4) is to pin 8, pin 10, pin 12, pin 13 is all 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 (D5).

4, shell temperature supervising device during infantal sleeping according to claim 3, 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 (D5), the other end of inductance (L1) connects the other end of electric capacity (C4), one end of resistance (R28), an input end of oscillator (G1), one end of electric capacity (C5), the collector of one end of electric capacity (C6) and triode (T8), the other end of resistance (R28) connects the base stage of another input end and the triode (T8) of oscillator (G1), the emitter of triode (T8) connects collector and the other end of electric capacity (C5) and the shielded signal output terminal of oscillator (G1) of triode (T7), and the other end of electric capacity (C6) is line (ANT1) incessanly.

5, shell temperature supervising device during infantal sleeping according to claim 1, 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 and resistance (R101's a) end of resistance (R102), 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), electric capacity (the other end ground connection of the other end of C1010 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).

6, shell temperature supervising device during infantal sleeping according to claim 5, it is characterized in that decoding and driving circuit (6) are by decoding chip (IC2), resistance (R117), resistance (R119), resistance (R122), (R1230 forms for triode (T13) and resistance, 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 (R122), 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 (R118), and the other end of resistance (R123) connects power supply (ECC).

7, shell temperature supervising device during infantal sleeping according to claim 6, 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).