CN113273971B - Wearable intelligent body temperature monitoring device - Google Patents
Wearable intelligent body temperature monitoring device Download PDFInfo
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- CN113273971B CN113273971B CN202110529263.1A CN202110529263A CN113273971B CN 113273971 B CN113273971 B CN 113273971B CN 202110529263 A CN202110529263 A CN 202110529263A CN 113273971 B CN113273971 B CN 113273971B
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- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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Abstract
The invention discloses a wearable intelligent body temperature monitoring device which comprises a wearable piece used for being worn, wherein a plurality of temperature sensors are arranged on the wearable piece, a monitoring thermometer is hung on the wearable piece, temperature signals detected by the temperature sensors are transmitted to the monitoring thermometer for processing, and the monitoring thermometer transmits the detected body temperature signals to a mobile terminal and/or a remote server terminal. The wearable intelligent body temperature monitoring device is mainly used for monitoring the body temperature of children suffering from febrile convulsion, can timely find out the condition that a temperature measuring sensor of a thermometer is damaged or unstable, can monitor the body temperature of the children suffering from febrile convulsion in various conditions such as activities in the daytime and sleeping at night, reminds an alarm of fever, can remind a child guardian of timely cooling and protecting, and avoids injury to the children caused by multiple times of febrile convulsion.
Description
Technical Field
The invention relates to the technical field of body temperature monitoring of children, in particular to a wearable intelligent body temperature monitoring device.
Background
Febrile convulsion is one of the most common convulsions in children, and the convulsion suddenly appears when the temperature rises to over 38 ℃ in the early stage of respiratory tract infection or other infectious diseases, between 6 months and 6 years old; it is mainly manifested as the sudden occurrence of tetanic or clonic convulsion of the whole or local muscle group, double-eyeball gaze, strabismus, straightening or upturning accompanied by loss of consciousness; if the febrile convulsion which is frequently attacked is changed into the febrile convulsion which is frequently attacked along with the reduction of fever body temperature, the mental disorder or the epilepsy can be possibly caused.
The clinical thermometer is children commonly used and the instrument of the necessary body temperature of measurement, current electronic thermometer on the market, infrared ray (volume temperature or ear temperature) clinical thermometer and mercury clinical thermometer just carry out a certain moment to measurand's body temperature and detect, do not have the function that sets up different temperature threshold according to the body temperature change, also can't realize under children's various motion condition daytime, evening under the sleep condition, continuously monitor the body temperature change, do not have in time discovery when beginning to have a fever yet, remind children guardian in time to lower the temperature and protect the processing, avoid the proruption convulsion that the convulsion of relapseing the attack and leading to of febrile convulsion, avoid many times the injury of febrile convulsion to children.
The temperature point diverse that febrile convulsion children took place the convulsion, current market is used for the accurate mercury thermometer of armpit central temperature measurement, the country declares in 2026 all to stop production and use, present electronic thermometer because press from both sides the measurement, because do not have self calibration and detect temperature measurement accuracy function, can not in time discover not press from both sides tightly or not in time discover that thermometer temperature measurement sensor damages or unstable reason, thereby make measured data inaccurate, can not accurately guide febrile convulsion children to use medicine.
Disclosure of Invention
The invention aims to solve the technical problem of effectively solving the defects of the background technology, and provides a wearable intelligent monitoring thermometer.
The invention is realized by the following technical scheme:
the utility model provides a wearing formula intelligence body temperature monitoring devices, monitoring devices is including the wearing piece that is used for wearing, be provided with a plurality of temperature sensors on the wearing piece, it has the monitoring clinical thermometer, a plurality of to hang on the wearing piece the temperature signal that the temperature sensor detected is conveyed to the monitoring clinical thermometer is handled, the monitoring clinical thermometer conveys the body temperature signal who detects to mobile terminal and/or remote server terminal.
As a preferred technical scheme, the plurality of temperature sensors are specifically a plurality of first temperature sensors and a plurality of second temperature sensors which are arranged along the length direction of the wearing piece, and temperature signals detected by the plurality of first temperature sensors and the plurality of second temperature sensors are transmitted to the monitoring thermometer for processing;
the monitoring thermometer is provided with a front shell and a bottom shell, and two ends of the wearing piece are fixed between the front shell and the bottom shell of the monitoring thermometer through fixing buckles and connectors respectively.
As a preferred technical scheme, the wearing piece is a silica gel necklace sling; or
The wearing piece is a waistband, a temperature measuring belt is arranged in the waistband, the first temperature sensor and the second temperature sensor are arranged on the temperature measuring belt, the waistband penetrates through the temperature measuring belt to place the temperature measuring belt at the waist and abdomen position, and two sides of the temperature measuring belt are fixed between the front shell and the bottom shell of the monitoring thermometer through fixing buckles and connectors respectively.
As a preferred technical scheme, the monitoring thermometer is provided with a front shell and a bottom shell;
the front shell is provided with a first infrared sensor and a warning indicator;
the bottom shell is provided with a second infrared sensor, a battery pack and a temperature measuring component interface; a PCB mainboard is arranged between the front shell and the bottom shell;
the PCB mainboard is provided with an MCU Bluetooth main control module, a temperature conversion processing module, an antenna and an audio processing module, a temperature measurement component interface is electrically connected with the temperature conversion processing module, and the first infrared sensor and the second infrared sensor are respectively electrically connected with the temperature conversion processing module;
the alarm is electrically connected with the audio processing module and the MCU Bluetooth main control module; the battery pack, the antenna and the temperature conversion processing module are respectively and electrically connected with the MCU Bluetooth main control module;
the wearing piece transmits detected signals to the temperature conversion processing module after the signals are converted, amplified and processed through the sampling circuit, the temperature conversion processing module converts measured body temperature signals into digital signals and then transmits the digital signals to the microprocessor of the MCU Bluetooth master control module, and the microprocessor outputs control signals to the audio processing module and transmits the signals to the mobile terminal and/or the remote server terminal through the Bluetooth module in the MCU Bluetooth master control module.
As a preferred technical scheme, the front shell is further provided with a display screen, an upturning key, a switch and a downturning key, and the first infrared sensor, the warning indicator, the upturning key, the switch and the downturning key are over against the control keys on the PCB mainboard and extend out of the front shell; the display screen is in conductive connection with the PCB main board through a display screen FPC (flexible printed circuit) flat cable;
the fixing buckle and the joint are electrically connected with the temperature measuring component interface through a USB interface or a lead and transmit signals to the temperature conversion processing module.
As a preferred technical scheme, a plurality of the first temperature sensors and the second temperature sensors are cylindrical and are fixed on the necklace hanging rope through a plastic mold in a pouring way;
the first temperature sensor is a pressure-sensitive contact temperature sensor and comprises a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a multi-channel temperature measuring head consisting of NTC thermistor sensors which are arranged at the same position in the way and are adjacently arranged;
the second temperature sensor is a pressure-sensitive contact temperature sensor and comprises a temperature measuring head consisting of a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a road NTC thermistor sensor;
the temperature conversion processing module is connected with the metal temperature sensing shell, the NTC thermistor sensor is arranged in the metal temperature sensing shell, the metal temperature sensing shell is in contact with the skin, the NTC thermistor sensor continuously senses the heat value and the temperature value of the skin, the temperature value and the heat value are transmitted to the temperature conversion processing module, the digital electric signals are converted through the filtering amplifying circuit, the analog-to-digital conversion circuit and the A/D converter chip in sequence, the temperature measurement value which changes continuously is obtained, and the value is transmitted to the MCU Bluetooth main control module.
As a preferred technical scheme, a plurality of first temperature sensors and second temperature sensors are cast with silica gel on the temperature measuring belt through a plastic mold or fixed inside the temperature measuring belt by adopting heat conducting glue;
the first temperature sensor is a pressure-sensitive contact temperature sensor and comprises a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a multi-channel temperature measuring head consisting of NTC thermistor sensors which are arranged at the same position in the same way and are adjacently arranged;
the second temperature sensor is a pressure-sensitive contact temperature sensor and comprises a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a temperature measuring head consisting of a road NTC thermistor sensor;
the NTC thermistor sensor is arranged in the metal temperature sensing shell, the metal temperature sensing shell is arranged to be in contact with the skin, the NTC thermistor sensor continuously senses the heat value and the temperature value of the skin, the temperature value and the heat value are transmitted to the temperature conversion processing module, the digital electric signals are converted through the filtering and amplifying circuit, the analog-to-digital conversion circuit and the A/D converter chip, the temperature measurement value which continuously changes is obtained, and the value is transmitted to the MCU Bluetooth main control module.
As a preferred technical scheme, the first infrared sensor and the second infrared sensor are composed of a metal protective cover plate, an infrared detection lens, an infrared light signal acquisition circuit, an environment temperature compensation circuit, an infrared temperature sensor and a pressure sensing sensor circuit.
As a preferred technical scheme, the temperature conversion processing module comprises an NTC thermistor temperature alarm reference resistance value comparison circuit, a filtering amplification circuit, an analog-to-digital conversion circuit, an a/D converter chip and an alarm data storage unit circuit;
the temperature conversion processing module is electrically connected with the MCU Bluetooth main control module through a storage unit circuit, and the resistance values of the correction resistors corresponding to different temperatures can be obtained through the reference voltage IC and the set resistance value of the NTC thermosensitive reference resistor.
As a preferable technical scheme, the first temperature sensor and the second temperature sensor on the silica gel necklace sling are placed at the neck position under the clothes, so that the first temperature sensor and the second temperature sensor can contact the skin, and the second infrared sensor is matched with the first temperature sensor and the second temperature sensor to measure the temperature of the skin at the chest;
the first temperature sensor and the second temperature sensor on the waistband are fixed on the monitoring thermometer through the temperature measuring belt, the waistband penetrates through the temperature measuring belt to enable the temperature measuring belt to be placed at the waist and abdomen position below the clothes and to be in close contact with the skin of the waist and abdomen, and the first infrared sensor is matched with the first temperature sensor and the second temperature sensor to measure the skin temperature of the waist and abdomen.
The invention has the beneficial effects that:
1. according to the wearable intelligent body temperature monitoring device, the body temperature change of children with the history of hyperpyretic convulsion is continuously monitored in a wearable body temperature monitoring mode which is convenient and fast, the fever is reminded and alarmed by adding any temperature limit difference value set according to the body temperature change, the children are reminded and alarmed when the fever begins to be found in time, the guardians of the children are reminded of cooling and protecting treatment in time, sudden convulsion caused by repeated attack of the hyperpyretic convulsion is avoided, and the children are prevented from being injured by multiple times of the hyperpyretic convulsion.
2. Because different children suffering from febrile convulsion have different body temperatures, for example, 37.2 degrees and 38 degrees, and the taking of antipyretic medicines during fever is not uniformly regulated to 38.5 degrees.
3. The device provided by the invention is added with a thermometer pressure detection function, can automatically set clamping action monitoring and carry out accurate temperature measurement, so that the measurement data is accurate, and children suffering from febrile convulsion can be accurately guided to take medicine according to the accurate temperature.
4. According to the invention, the monitoring thermometer and the mobile terminal are provided with the Bluetooth modules at the same time, so that the monitoring thermometer and the mobile terminal transmit body temperature data through Bluetooth within the Bluetooth signal distance range of respective equipment; the mobile terminal is connected with the remote server in a GSM communication mode, and the body temperature data is transmitted through the remote server.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a front cover plate of a monitoring thermometer of the present invention;
FIG. 2 is a schematic diagram of a PCB motherboard of the thermometer of the present invention;
FIG. 3 is a schematic view of a rear cover plate of the monitoring thermometer of the present invention;
FIG. 4 is a schematic view of a first embodiment of a body temperature monitoring device according to the present invention;
FIG. 5 is a schematic view of a second embodiment of a body temperature monitoring device according to the present invention;
FIG. 6 is a schematic view of a second embodiment of a body temperature monitoring device according to the present invention;
FIG. 7 is a configuration view of a temperature measuring tape according to a second embodiment of the body temperature monitoring device of the present invention;
FIG. 8 is a schematic circuit diagram of a second infrared sensor in the body temperature monitoring device according to the present invention;
FIG. 9 is a schematic circuit diagram of a second infrared sensor in the body temperature monitoring device according to the present invention;
FIG. 10 is a schematic circuit diagram of a first infrared sensor in the body temperature monitoring device according to the present invention;
FIG. 11 is a schematic circuit diagram of a first infrared sensor in the body temperature monitoring device according to the present invention;
FIG. 12 is a schematic circuit diagram of a first temperature sensor and a temperature conversion processing module circuit in the body temperature monitoring device according to the present invention;
FIG. 13 is a schematic circuit diagram of a second temperature sensor and a temperature conversion processing module circuit in the body temperature monitoring device according to the present invention;
FIG. 14 is a schematic circuit diagram of the MCU Bluetooth master control module in the body temperature monitoring device of the present invention;
fig. 15 is a schematic circuit diagram of a temperature conversion processing module circuit in the body temperature monitoring device according to the present invention.
In the figure: 1. a front housing; 2. a first infrared sensor; 3. an alarm; 4. a display screen; 5. an up-turning key; 6. a switch; 7. a key is turned down; 8. the MCU Bluetooth master control module; 9. a temperature conversion processing module; 10. a PCB main board; 11. an audio processing module; 12. an antenna; 13. a second infrared sensor; 14. a bottom case; 15. a battery pack; 16. a temperature measuring component interface; 17. monitoring a thermometer; 18. a fixing buckle and a joint; 19. hanging a rope with a silica gel necklace; 20. a first temperature sensor; 21. a second temperature sensor; 22. a fastener; 23. a waist and abdomen temperature measuring component; 24. measuring a temperature zone; 26. a waistband; 27. a mobile terminal; 28. a remote server terminal;
Detailed Description
Any feature disclosed in this specification may be replaced by alternative features serving an equivalent or similar purpose, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 15, the wearable intelligent body temperature monitoring device of the present invention includes a wearable piece for wearing, the wearable piece is provided with a plurality of temperature sensors, the wearable piece is hung with a monitoring thermometer, temperature signals detected by the plurality of temperature sensors are transmitted to the monitoring thermometer for processing, and the monitoring thermometer transmits detected body temperature signals to a mobile terminal and/or a remote server terminal. The wearable intelligent body temperature monitoring device can timely find the condition that a thermometer temperature measuring sensor is damaged or unstable, can monitor the body temperature of a febrile convulsion child in various conditions of activities in the daytime, sleeping at night and the like, reminds and alarms the fever condition, can remind a child guardian to timely perform cooling and protection treatment, and avoids the injury of multiple times of febrile convulsion to the child.
Specifically, the plurality of temperature sensors in the present invention are specifically configured as a plurality of first temperature sensors 20 and a plurality of second temperature sensors 21 arranged along the length direction of the wearing piece, and the plurality of first temperature sensors 20 and the plurality of second temperature sensors 21 are respectively electrically connected to the monitoring thermometer 17, and temperature signals detected by the plurality of first temperature sensors 20 and the plurality of second temperature sensors 21 are transmitted to the monitoring thermometer 17 for processing;
monitoring clinical thermometer 17 is provided with preceding shell 1 and drain pan 14, the both ends of wearing the piece are fixed through fixed knot and joint 18 respectively between monitoring clinical thermometer 17's preceding shell 1 and drain pan 14.
Wherein, the wearing piece in the invention can be arranged in a mode of a silica gel necklace sling 19; the temperature measuring belt 26 may also be provided as a waist belt 26, a temperature measuring belt 24 is provided in the waist belt 26, the first temperature sensor 20 and the second temperature sensor 21 are installed on the temperature measuring belt 24, the waist belt 26 penetrates through the temperature measuring belt 24 to place the temperature measuring belt 24 at the waist and abdomen position, and two sides of the temperature measuring belt 24 are respectively fixed between the front shell 1 and the bottom shell 14 of the monitoring thermometer 17 through fixing buckles and joints 18.
As shown in fig. 1-3, the monitoring thermometer 17 is provided with a front case 1 and a bottom case 14; the front shell 1 is provided with a first infrared sensor 2 and a warning indicator 3; the bottom shell 14 is provided with a second infrared sensor 13, a battery pack 15 and a temperature measuring component interface 16; a PCB main board 10 is arranged between the front shell 1 and the bottom shell 14;
the PCB mainboard 10 is provided with an MCU Bluetooth main control module 8, a temperature conversion processing module 9, an antenna 12 and an audio processing module 11, a temperature measurement component interface 16 is electrically connected with the temperature conversion processing module 9, and the first infrared sensor 2 and the second infrared sensor 13 are respectively electrically connected with the temperature conversion processing module 9;
the alarm 3 is electrically connected with the audio processing module 11 and is electrically connected with the MCU Bluetooth main control module 8; the battery pack 15, the antenna 12 and the temperature conversion processing module 9 are respectively electrically connected with the MCU Bluetooth main control module 8;
the wearing piece transmits detected signals to the temperature conversion processing module 9 after being converted, amplified and processed by the sampling circuit, the temperature conversion processing module 9 converts measured body temperature signals into digital signals and transmits the digital signals to the microprocessor of the MCU Bluetooth main control module 8, and the microprocessor outputs control signals to the audio processing module 11 and transmits the signals to the mobile terminal 27 and/or the remote server terminal 28 through the Bluetooth module in the MCU Bluetooth main control module 8.
The front case 1 and the bottom case 14 can be used to package the monitoring thermometers 171 and 172 through a snap fit or a screw fit.
As shown in fig. 1, a switch 6, a first infrared sensor 2, a warning indicator 3, an up-turning key 5, a down-turning key 7 and a display screen 4 are mounted on the front shell 1; the bottom shell 14 is provided with a second infrared sensor 13, a battery pack 15 and a temperature measuring component interface 16; a PCB mainboard 10 is arranged between the front shell 1 and the bottom shell 14, and the MCU Bluetooth main control module 8, the temperature conversion processing module 9, the audio processing module 11 and the antenna 12 are arranged on the PCB mainboard 10; necklace hang rope temperature measuring component and abdomen portion temperature measuring component 23 and for pressure sensing contact combination temperature probe, with the signal that detects through the sampling circuit conversion amplification after-transmission arrive temperature conversion processing module 9, temperature conversion processing module 9 converts the body temperature signal of measurement into digital signal and transmits through the host system circuit MCU bluetooth host system 8's microprocessor, this microprocessor output control signal extremely audio processing module 11 to pass through the signal MCU bluetooth host system 8's bluetooth module transmits to mobile terminal 27, through mobile terminal 27 through network transmission to remote server terminal 28.
The alarm is used for generating an alarm signal to remind a user of paying attention when the detected signal value exceeds a threshold value, and the alarm can select one or more of a buzzer, a loudspeaker and a vibrating motor.
Specifically, the switch 6, the first infrared sensor 2, the warning indicator 3, the upturning key 5 and the downturning key 7 are over against the control key on the PCB mainboard 10 and extend out of the front shell 1; the display screen 4 is in conductive connection with the PCB main board 10 through a display screen FPC flat cable; the front shell 1 and the bottom shell 14 are connected through screws or buckles; the battery pack 15 is electrically connected with the MCU Bluetooth master control module 8.
The MF401 port of the first infrared sensor 2 is electrically connected to the temperature conversion processing module 9 through ports IR VCC and IR _ VOUT; the temperature conversion processing module 9 is electrically connected to the MCU bluetooth master control module 8 through the ports IR _ SCL and IR _ SDA.
The MF401 port of the second infrared sensor 13 is electrically connected to the temperature conversion processing module 9 through ports IR _ VCC and IR1_ VOUT; this temperature conversion processing module 9 through port IR1_ SCL and IR1_ SDA with MCU bluetooth master control module 8 electric connection, MCU bluetooth master control module model is NRF51822.
The fixing buckle and the joint 18 of the necklace sling temperature measuring component are electrically connected with the temperature measuring component interface 16 through a USB interface or a conducting wire; the fixing buckle and the joint 18 of the abdomen temperature measuring component 23 are electrically connected with the temperature measuring component interface 16 through a USB interface or a lead; the temperature measuring component interface 16 is electrically connected with the temperature conversion processing module 9; the alarm 3 is electrically connected with an MOT port of the audio processing module 11, and the audio circuit is a universal audio circuit and is electrically connected with the MOT port of the MCU Bluetooth main control module 8; the antenna 12 is electrically connected with the MCU Bluetooth master control module 8.
A plurality of first temperature sensors 20, second temperature sensors 21, fixing buckles and joints 18 are arranged on a necklace sling 19 of the necklace sling temperature measuring component, and the fixing buckles and the joints 18 are matched and buckled with the temperature measuring component interface 16; the first temperature sensors 20 and the second temperature sensors 21 convert and amplify the detected signals through the internal sampling circuit, and then are electrically connected with the temperature measurement component interface 16 through a wire or a micro USB interface, and transmit the signals to the temperature conversion processing module 9.
The NTC3, i.e. R2 NTC, of the first temperature sensor 20 is connected to the AD1HY3116 converter of the temperature conversion processing module 9 through the port 3, and the temperature conversion processing module 9 is electrically connected to the MCU bluetooth master control module 8 through the ports NTC3_ SCL and NTC3_ SDA; the NTC2, namely the R3 NTC of the temperature sensor 1 is connected with the AD2HY3116 converter of the temperature conversion processing module 9 through the port 3, and the temperature conversion processing module 9 is electrically connected with the MCU Bluetooth master control module 8 through the ports NTC1_ SCL and NTC1_ SDA;
the NTC of the second temperature sensor 21, i.e. R40 NTC, is connected to the AD3 HY3116 converter of the temperature conversion processing module 9 through the port 3, and the temperature conversion processing module 9 is electrically connected to the MCU bluetooth master control module 8 through the ports NTC2_ SCL and NTC2_ SDA.
As shown in fig. 6 and 7, the abdomen-waist temperature measuring component 23 is provided with a plurality of first temperature sensors 20, second temperature sensors 21, fixing buckles and connectors 18 and temperature measuring belts 24, the fixing buckles and the connectors 18 are connected with the temperature measuring component interface 16 in a matching manner, and specifically, a universal meter needle type is adopted for buckling connection; the first temperature sensors 20 and the second temperature sensors 21 convert and amplify the detected signals through the internal sampling circuit, and then are electrically connected with the temperature measurement component interface 16 through the wires or the micro USB interface, and transmit the signals to the temperature conversion processing module 9.
In the first embodiment, the first temperature sensor 20 and the second temperature sensor 21 in the necklace sling temperature measuring component are cylindrical and fixed on the silica gel necklace sling by plastic mold; the first temperature sensor 20 is a pressure-sensitive contact-type temperature sensor, and includes a pressure-sensitive sensor DF9-40 circuit, a micro-magnet, a cylindrical metal temperature-sensitive housing, and a multi-channel temperature measuring head composed of 2 channels of NTC0 and NTC1 thermistor sensors disposed at the same position and adjacent to each other. The second temperature sensor 21 is a pressure contact type temperature sensor, and comprises a temperature measuring head consisting of a pressure sensing sensor DF9-40 circuit, a micro magnet, a cylindrical metal temperature sensing shell and a 1-path NTC2 thermistor sensor.
The NTC thermistor sensors in the first temperature sensor 2 and the second temperature sensor 21 are bonded in the cylindrical metal temperature sensing shell, the cylindrical metal temperature sensing shell contacts with the skin, the heat value and the temperature value of the skin are continuously sensed through the thermistor sensors, the temperature value and the heat value are transmitted to the temperature conversion processing module 9, the digital electric signals are converted through the filter amplifying circuit, the analog-to-digital conversion circuit and the A/D converter chip, the continuously changed temperature measurement value is obtained, and the value is transmitted to the MCU Bluetooth main control module 8.
When the temperature-measuring device is used, the second temperature sensor 21 containing the 1-way NTC2 thermistor sensor and the first temperature sensor 20 containing the 2-way NTC0 and NTC1 thermistor sensors which are arranged in the silica gel necklace sling temperature-measuring component are internally provided with tiny magnets, and when the monitoring thermometers 17 and 17 are placed in a packaging box, the positions of the packaging box where the temperature sensors are placed are provided with conventional magnets; the first temperature sensor that contains 1 way NTC2 thermistor sensor and the first temperature sensor that contains 2 ways NTC0, NTC1 thermistor sensor are closely adjacent to place side by side, adsorb with the interior magnet of packing together, monitor clinical thermometer 171 like this, 172 before the power uses is opened, different temperature sensors are located the same position of the next-door neighbour in the packing carton, the ambient temperature of locating is unanimous, when the start begins the temperature measurement, measure the same temperature of same position that acquires, can detect the temperature measurement accuracy when beginning to use monitoring clinical thermometer 171, 172, can in time discover that clinical thermometer temperature measurement sensor damages or is unstable.
The first temperature sensor containing the 1-path NTC2 thermistor sensor and the first temperature sensor containing the 2-path NTC0 and NTC1 thermistor sensors are piezoelectric polyvinylidene fluoride PVDF polymer film sensors DF9-40 which can sense external pressure and tension; the sensing external pressure and the sensing external pulling force can be converted into electric signals through the built-in signal acquisition circuit and the A/D conversion circuit, the electric signals are respectively output to VOUT1 and VOUT2 interfaces of a microprocessor of the MCU Bluetooth main control module 8 through VOUT1 and VOUT2, the electric signals are converted into pressure values through the microprocessor, the external pressure and the pulling force are sensed, when the thermometer is worn on the neck, the pulling force is sensed, and the fact that the thermometer is worn on the neck is judged; when the temperature sensor is clamped by the arms and measures the temperature at the armpit position, the pressure of the arms and the body is sensed.
In the second embodiment, the abdomen temperature measuring component comprises a plurality of first temperature sensors 20, a plurality of second temperature sensors 21, a temperature measuring belt 24 made of cow leather or silica gel, a fixing buckle, a joint 18 and a connecting lead, wherein the plurality of first temperature sensors 120 and the plurality of second temperature sensors 21 are cast on the temperature measuring belt made of silica gel through a plastic mold or fixed inside the cow leather temperature measuring belt by using special heat-conducting glue; the first temperature sensor 20 is a pressure-sensitive contact-type temperature sensor, and comprises a pressure-sensitive sensor circuit, a micro magnet, a cylindrical metal temperature-sensitive shell and a multi-channel temperature measuring head consisting of 2-channel NTC thermistor sensors which are adjacently arranged at the same position; the second temperature sensor 21 is a pressure-sensitive contact temperature sensor, and comprises a pressure-sensitive sensor circuit, a micro magnet, a cylindrical metal temperature-sensitive shell and a temperature measuring head consisting of a 1-way NTC thermistor sensor;
the NTC thermistor sensor is adhered in the cylindrical metal temperature sensing shell, the cylindrical metal temperature sensing shell is contacted with the skin, the heat value and the temperature value of the skin are continuously sensed through the thermistor sensor, the temperature value and the heat value are transmitted to the temperature conversion processing module 9, the digital electric signals are converted through the filtering and amplifying circuit, the analog-to-digital conversion circuit and the A/D converter chip, the continuously changed temperature measurement value is obtained, and the value is transmitted to the MCU Bluetooth main control module 8;
when the temperature measuring device is used specifically, the first temperature sensor 20 and the second temperature sensor 21 which are installed on the waist and abdomen temperature measuring component are internally provided with tiny magnets, when the monitoring thermometer 17 is placed in a packaging box, the packaging box is provided with a conventional magnet at the position where the temperature sensors are installed, the first temperature sensor 20 and the second temperature sensor 21 are fixed on a temperature measuring belt 24 and are adsorbed together with magnets in the packaging box, therefore, the first temperature sensor 20 and the second temperature sensor 21 are located at fixed adjacent positions in the packaging box before the monitoring thermometer 17 is started for use, the environmental temperatures are consistent, when the temperature measuring device is started for temperature measurement, the temperature obtained by measurement is the same as the temperature at the same position, the temperature measuring accuracy can be detected when the monitoring thermometer 17 is started to be used, and the damage or instability of the thermometer temperature measuring sensor can be found in time. Simultaneously, the pressure-sensitive sensor of first temperature-sensing ware 20, second temperature-sensing ware 21 internally mounted for general piezoelectricity polyvinylidene fluoride PVDF polymer film sensor DF9-40, response external pressure and pulling force, through built-in signal acquisition circuit, AD converting circuit and with the stress conversion for the signal of telecommunication, export through VOUT1 and VOUT2 respectively the VOUT1 and VOUT2 interface of MCU bluetooth host system 8's microprocessor again convert into the pressure value, when the clinical thermometer was worn at abdomen portion, the response the fastening pulling force of high-elastic elasticity waistband is judged the clinical thermometer and is correctly worn at abdomen portion.
When in specific use, the first infrared sensor 2MF401 and the second infrared sensor 13MF401 are composed of a copper metal protective cover plate, an infrared detection lens, an infrared light signal acquisition circuit, an environment temperature compensation circuit, an infrared temperature sensor MF401 and a pressure sensing sensor DF9-40 circuit, wherein the copper metal protective cover plate is a common cover plate for preventing the infrared sensor from being damaged in transportation, the first infrared sensor 2, the second infrared sensor 13 and the temperature conversion processing module 9 are electrically connected through IR _ VCC, IR _ VOUT, IR _ VCC and IR1_ VOUT ports respectively by FPC wires, the temperature conversion processing module 9 is connected with the MCU Bluetooth main control module 8 through IR _ SDA, IR _ SCL, IR1_ SDA and IR1_ SCL ports respectively, a pressure sensing sensor of the infrared sensor senses external pressure, is a general piezoelectric PVDF polymer film sensor DF9-40, senses external pressure and tension, the induction force is converted into an electric signal through a built-in signal acquisition circuit and an A/D conversion circuit, the pressure value is converted into a pressure value through VOUT _ IRCE and VOUT _ IR1CE interfaces which are output to VOUT _ IRCE and VOUT _ IR1CE interfaces of a microprocessor of the MCU Bluetooth main control module 8 through VOUT _ IRCE and VOUT _ IR1CE, is used for judging that the first infrared sensor 2 and the second infrared sensor 13 are positioned in the packaging box before the monitoring thermometer 17 is powered on for use and only senses the gravity of the copper metal protective cover plate, therefore, the ambient temperature of the first infrared sensor 2 is consistent with the ambient temperature of the second infrared sensor 13, when the computer is started to start temperature measurement, the temperature obtained by measurement is the same as the temperature obtained by measurement, so that the function of detecting the temperature measurement accuracy is convenient to use when the monitoring thermometer 17 is used, and the damage or instability of the thermometer temperature measurement sensor can be found in time.
In the invention, the temperature conversion processing module 9 comprises an NTC thermistor temperature alarm reference resistance comparison circuit, a filtering amplification circuit, an analog-to-digital conversion circuit, an a/D converter chip and an alarm data storage unit circuit, wherein the a/D converter chip is HY3116 and HY3118, and an a/D converter is arranged in the bluetooth master control module, the storage unit is a storage part controlled by the MCU, the temperature conversion processing module 9 is electrically connected with the MCU bluetooth master control module 8 through the storage unit circuit, and the corrected resistance values corresponding to different temperatures can be obtained through a reference voltage IC and a set NTC thermistor reference resistance value.
In the present invention, the audio processing module 11 comprises a conventional signal processing circuit, an audio power amplifying circuit and an audio voice driving circuit or an audio driving circuit integrated by using the MCU bluetooth main control module 8.
When the temperature sensor is used specifically, the alarm data storage unit stores reference voltage ICs and NTC thermistor reference resistance values corresponding to different temperatures according to the reference voltage ICs, and stores resistance values and voltage values corresponding to different temperature difference values at the same time, the MCU Bluetooth main control module 8 microprocessor obtains the alarm difference values when acquiring the measured temperature values of the temperature sensor and the infrared sensor, reads the data of the storage unit for comparison, and when the set value is reached, the Bluetooth main control module 8 microprocessor sends an instruction to the audio processing module 11 to drive the alarm 3 to give out a prompt, and meanwhile, the Bluetooth module of the MCU Bluetooth main control module 8 transmits the prompt alarm information to the mobile terminal 27.
Or, the alarm data storage unit stores reference voltage values corresponding to different pressures when the pressure sensing sensor DF9-40 senses external pressure according to the reference voltage IC AZ432, when the MCU bluetooth main control module 8 microprocessor obtains a pressure value detected by the pressure sensing sensor of the temperature sensor, reads the voltage value data corresponding to different pressures stored in the storage unit for comparison, and when the set value is reached, the MCU bluetooth main control module 8 microprocessor sends an instruction to the audio processing module 11 to drive the alarm 3 to issue a prompt, and meanwhile, a prompt alarm message is transmitted to the mobile terminal 27 through the bluetooth module of the MCU bluetooth main control module 8.
In the first embodiment, the first temperature sensor 20 and the second temperature sensor 21 of the temperature measuring component of the silica gel necklace lanyard can be placed at the neck under the clothes, so that the temperature sensors of the thermometers contact with the skin, and the second infrared sensor 13 is matched with the first temperature sensor 20 and the second temperature sensor 21 to measure the temperature of the skin at the chest.
In the second embodiment, the first temperature sensor 20 and the second temperature sensor 21 of the abdomen temperature measuring component 23 are fixed on the monitoring thermometer 17 through the temperature measuring belt 24, the high elastic waist belt 26 passes through the temperature measuring belt 24 to place the temperature measuring belt 24 at the abdomen position under the clothes, and is fixed and closely contacted with the skin of the abdomen, and the first infrared sensor 2 is matched with the first temperature sensor 20 and the second temperature sensor 21 to measure the skin temperature of the abdomen.
Wherein, put into first infrared sensor 2 and second infrared sensor 13 in the rope temperature measurement subassembly is hung to the silica gel necklace and abdomen portion temperature measurement subassembly and be the same infrared sensor, can install simultaneously also can not install simultaneously.
In the present invention, the MCU bluetooth master control module 8 uses NRF51822, and includes an MCU microprocessor master control circuit, a bluetooth module circuit, a memory unit, a timer unit, an audio module conversion and amplification circuit, a signal control interface circuit, an amplification and filtering circuit, and an a/D conversion circuit.
Specifically, the waistband 26 in the invention is a buckle type waistband made of nylon high-elasticity material or spandex high-elasticity material, the waistband buckling mode is fixed by combining a conventional metal buckle and a universal snap fastener, the elastic waistband cannot be loosened in multiple scenes such as sports, sleeping and the like, and meanwhile, the first temperature sensor 20 and the second temperature sensor 21 of the silica gel necklace sling temperature measurement component can be close to the skin of a body to detect the skin temperature.
The invention relates to a principle of monitoring the body temperature measurement position of a thermometer and a fever alarm judgment method, which are based on the parts of evaluation and nursing of the eighth chapter ' vital sign ' in the fifth edition ' the third chapter ' the measurement of the body temperature ' page 216, and the like in national high teaching materials basic nursing materials Li Xiaohan and Shang Shaomei: the parts for measuring the body temperature of the infants comprise armpit temperature, submaxillary neck temperature and waist and abdomen temperature. Although the body temperature of a human body varies in 24 hours, the body temperature is relatively stable, the difference between the lowest body temperature and the highest body temperature is within a certain range around 36.5 degrees fluctuation, the highest body temperature is increased during fever, the temperature of armpits of the body or the temperature of skin is increased, and the difference between the body temperatures is increased.
In the first embodiment of the body temperature monitoring device, the monitoring thermometer 17 is provided with the silica gel necklace sling temperature measurement component, and the waist and abdomen temperature measurement component 23 is not arranged, so that the wearing mode is suitable for children who move in the daytime.
The monitoring thermometer 17 is placed in a packaging box which is designed conventionally and is not ventilated and stands for a specific time (based on the characteristic of temperature measurement of the infrared sensor, the placing time needs to be set to be more than 30 minutes), the first infrared sensor 2 and the second infrared sensor 13 are covered with a conventional copper metal protective cover plate, under the normal condition, the temperature in the box comprises a constant temperature (assuming that the temperature is H ℃) of the metal cover plate, and the first temperature sensor 20 and the second temperature sensor 21 are adsorbed by respective tiny magnets and placed in the box; when the temperature monitoring device is used, the monitoring thermometer 17 is not taken out, the first temperature sensor 20 and the second temperature sensor 21 of the silica gel necklace sling temperature measurement component 19 are continuously placed in the box to ensure that the obtained temperatures are consistent, the power switch button or the touch switch 6 is arranged on the PCB 10 of the monitoring thermometer 17, after the power switch button or the touch switch 6 is pressed down, the PCB is connected with a power supply, the display screen 6 is electrified and lightened to display data information, the microprocessor of the MCU Bluetooth main control module 8 sends an instruction to the first temperature sensor 20 and/or the second temperature sensor 21 according to a set program, when the pressure sensor of the first temperature sensor 20 does not detect external pressure, 2 paths of NTC thermistor sensors which are adjacently placed at the same position of the first temperature sensor 20 are subjected to NTC thermistor detection within a set unit time (such as 20 seconds or 30 seconds), the measured temperature is not changed and is in a stable state, the temperature is assumed to be H ℃, the inductive heat values respectively obtained by the 2-path sensors are transmitted to a temperature conversion processing module 9, the inductive heat values are converted into digital electric signals through a filter amplifying circuit, an analog-to-digital conversion circuit and an A/D converter chip to obtain the measured values of the 2-path temperature, the measured values of the 2-path temperature are transmitted to a microprocessor of the MCU Bluetooth main control module 8, the microprocessor converts the measured corresponding resistance values of the 2-path temperature into temperature values A and B, the temperature values A and B are calibrated according to a reference voltage IC and a set resistance value of an NTC thermistor reference resistor when the factory temperature stored in a storage unit in the temperature conversion processing module 9 is calibrated, the 2-path NTC thermistor sensor is calibrated based on calibration standard temperature values A1 and B1 corresponding to the reference resistance values when the temperature is H, and the microprocessor is used for comparing the difference A1A with the A1-A, comparing the difference B1B of B1-B, the difference AB of A-B and the difference A1B1 of A1-B1, judging that the first temperature sensor 20 works normally when the difference A1B1AB, the difference A1A and the difference B1B of A1B1-AB are within a set error range, and simultaneously determining temperature values A and B, wherein the equivalent temperature value for measuring the H temperature by the first temperature sensor 20 is AB; in this way, the temperature measuring accuracy of the first temperature sensor 20 is ensured to be within the allowable range every time the monitoring thermometer 17 is used.
The microprocessor of the MCU bluetooth main control module 8 sends an instruction to the second temperature sensor 21 according to a set program, when it is detected that the pressure sensor in the second temperature sensor 21 does not detect external pressure, the NTC thermistor sensor in the second temperature sensor 21 measures that the temperature is in a stable state within a set unit time (such as 20 seconds or 30 seconds, etc.), assuming that the temperature is C, the sensed heat value obtained by the NTC thermistor sensor is transmitted to the temperature conversion processing module 9, and is converted into a digital electric signal through the filter amplifying circuit, the analog-to-digital conversion circuit and the a/D converter chip, so as to obtain a measured value of the temperature, and the measured value is transmitted to the microprocessor of the MCU bluetooth main control module 8, the microprocessor converts the measured resistance value into a corresponding temperature value D, when calibrated with an outgoing temperature stored in the storage unit of the temperature conversion processing module 9, calibrates according to a reference voltage IC and a set reference voltage corresponding to the NTC thermistor reference resistor, the NTC 1-way thermistor sensor determines that the measured difference between the measured temperature AB 1 and the DAB is within a normal working range, and when the measured error of the equivalent temperature AB 20-D is equal to the measured temperature of the DAB when the H1; in this way, the temperature measuring accuracy of the second temperature sensor 21 is ensured to be within an allowable range every time the monitoring thermometer 17 is used.
The microprocessor of the MCU Bluetooth master control module 8 sends a measuring instruction to the first infrared sensor 2 and the second infrared sensor 13 when detecting that the pressure sensors in the first infrared sensor 2 and the second infrared sensor 13 only detect the weight of a copper metal protective cover plate and do not detect other external pressure according to a set program, the first infrared sensor 2 and the second infrared sensor 13 measure the copper metal protective cover plate in the packaging box at the moment, the first infrared sensor 2 or the second infrared sensor 13 obtains 2 paths of infrared signals through the copper metal protective cover plate, an infrared detection lens, an infrared light signal acquisition circuit, an environment temperature compensation circuit and an infrared sensor, the temperature is transmitted to a temperature conversion processing module 9, the digital electric signals are converted into digital electric signals through a filter amplifying circuit, an analog-to-digital conversion circuit and an A/D converter chip, the digital electric signals are transmitted to a microprocessor of the MCU Bluetooth main control module 8, the microprocessor obtains a temperature value E of the first infrared sensor 2 and a temperature value F measured by the second infrared sensor 13, the measured temperature values of the E and the F are compared with an equivalent temperature value AB of a measured temperature H obtained by the first temperature sensor 20 at the same time, and when a difference value EAB of the E-AB and a difference value FAB of the F-AB and a difference value EF of the E-F are within a set error range, the first infrared sensor 2 and the second infrared sensor 13 are judged to work normally; in this way, the temperature measurement accuracy of the first infrared sensor 2 and the second infrared sensor 13 is ensured to be within an allowable range each time the monitoring thermometer 17 is used.
Install on the rope temperature measuring component is hung to the silica gel necklace on monitoring thermometer 17, and when abdomen portion temperature measuring component 23 did not install, there was the children of febrile convulsion medical history with wear the same mode of necklace, rely on monitoring thermometer 17's action of gravity, closely laminate neck skin, second infrared sensor 13 is towards health skin one side, first infrared sensor 2 is surveyed towards the external body. The jacket is worn by the child, and the first temperature sensor 20, the second temperature sensor 21, the first infrared sensor 2 and the second infrared sensor 13 are arranged inside the jacket, so that the influence of the outside on temperature measurement is reduced, and the child is monitored after the monitoring thermometer 17 is worn. Setting an interface through a display screen of the monitoring thermometer 17, pressing an up-turning key 5, a down-turning key 7 and an on-off key 6 or setting different alarm temperature difference values through the mobile terminal 27, when pressure in a first temperature sensor 20 and a second temperature sensor 21 of the monitoring thermometer 17 reaches the set dead weight of the monitoring thermometer 17, the temperature sensors 20 and 21 automatically start to detect the temperature of the neck skin, a cylindrical metal temperature sensing shell of the temperature sensors contacts the skin, continuously senses the heat value and the temperature value of the skin through a thermistor sensor and transmits the temperature value and the heat value to the temperature conversion processing module 9, when the detected temperature reaches a set stable state value in unit time, a microprocessor of the MCU Bluetooth main control module 8 sends a measurement instruction to the second infrared sensor 13, the second infrared sensor 13 measures the skin temperature of the abdomen once, the detected signal is transmitted to the temperature conversion processing module 9 through the infrared detection lens, the infrared light signal acquisition circuit, the environment temperature compensation circuit and the infrared sensor circuit, and is converted into a digital electric signal through the filter amplification circuit, the analog-to-digital conversion circuit and the A/D converter chip, the temperature measurement values of the neck and the abdomen of the body measured by the first temperature sensor 20, the second temperature sensor 21 and the second infrared sensor 13 are obtained, the temperature measurement values are transmitted to the MCU Bluetooth main control module 8 and are stored in the storage unit of the temperature conversion processing module 9, so that the first temperature sensor 20 and the second temperature sensor 21 measure the stable temperature measurement value of the skin of the neck in a set unit time, and meanwhile, the microprocessor of the MCU Bluetooth main control module 8 automatically sends a measurement instruction to the second infrared sensor 13, the skin temperature of the abdomen was obtained.
When the temperature measurement device is used specifically, an alarm temperature difference value G fever value for judging fever is set through the monitoring thermometer 17 or the mobile terminal 27, when the pressure sensors of the first temperature sensor 20 and the second temperature sensor 21 in the clothes detect that the pressure reaches the set self weight of the monitoring thermometer, the temperature sensors are judged to be worn on the neck correctly, the skin temperature of the neck is measured, the value measured for the first time is A1, the value measured for the second time is A2, the value measured for the third time is A3 … …, the nth time is An, in the n times, the maximum value A-minimum value = the maximum difference value A, when the maximum difference value A is larger than or equal to the set alarm temperature difference value G fever value, the microprocessor of the MCU Bluetooth main control module 8 sends An instruction to the audio processing module 11, an audio driving circuit of the audio processing module 11 drives the alarm 3 to make a sound or vibration prompt, and sends the instruction to the Bluetooth module at the same time, and the alarm temperature difference value G fever value is transmitted to the mobile terminal 27 through a Bluetooth connection or a broadcasting mode.
Setting an alarm temperature difference G fever value for judging fever through the monitoring thermometer 17 or the mobile terminal 27, starting to measure the skin temperature of the waist and abdomen after the second infrared sensor 13 positioned in the clothes receives a measurement instruction of the microprocessor of the MCU Bluetooth master control module 8, wherein the first measured value is B1, the second measured value is B2, the third measured value is B3 … … for the nth time is Bn, in the n times, the maximum value B-minimum value = the maximum value B, when the maximum value B is greater than or equal to the set alarm temperature difference G fever value, the microprocessor of the MCU Bluetooth master control module 8 sends a temperature measurement instruction to the first infrared sensor 2, the first infrared sensor 2 faces one side of the clothes to measure the temperature of the clothes, judges whether the ambient temperature of the clothes is higher or not, for example, the ambient temperature of the clothes is not in a high temperature similar to sun exposure in summer, when the ambient temperature of the clothes is judged to be in a normal range, the microprocessor of the MCU master control module 8 sends an audio frequency instruction to the audio processing module 11, the audio processing module 11 drives the alarm circuit to send a warning sound transmission prompt to the Bluetooth module, or send a warning sound transmission module to send a mobile terminal 27, and send a warning sound prompt the alarm temperature, wherein the alarm module is connected to the alarm module.
Wherein, an alarm temperature difference G for judging fever is supposed to be set; when the maximum difference value A obtained by measuring the first temperature sensor 20 and the second temperature sensor 21 and the maximum difference value B obtained by measuring the second infrared sensor 13 both reach the set fever reminding alarm temperature difference value G, the children are judged to be fever of the whole body, similar to the fever caused by cold and the like, and the high fever easily causes the reoccurrence of febrile convulsion, at the moment, the first temperature sensor 20 and the second temperature sensor 21 are taken down from the neck and placed in the center of the armpit for accurate body temperature measurement; meanwhile, pressing the monitoring thermometer to obtain an upturning key 5 and a downturning key 7, starting an armpit center temperature measurement mode on a pressure setting interface of a display screen 6, setting a pressure sensor pressure reminding value K in a temperature sensor according to the clamping degree of the correct temperature measurement posture of the temperature sensor of the thermometer by the arm of the child, wherein when a set induction pressure value is smaller than the value K, the alarm 3 gives out a sound or vibration reminding, the value K is stored in an alarm data storage unit, when the first temperature sensor 20 and the second temperature sensor 21 start to measure, the pressure sensor in the temperature sensor detects that the pressure is larger than 0 and smaller than the value K, a microprocessor of the MCU Bluetooth main control module 8 sends an instruction to the audio processing module 11, an audio driving circuit of the audio processing module 11 drives the alarm 3 to give out the sound or vibration reminding, and simultaneously sends an instruction to the Bluetooth module, and reminding information is transmitted to the mobile terminal 27 in a Bluetooth connection or broadcast mode, wherein the reminding indicates that the arm is not clamped, the incorrect measurement posture cannot be obtained, and the correct temperature measurement is reminded that the child clamps the arm; when measuring body temperature, MCU bluetooth host module 8's microprocessor lasts the pressure sensor pressure value that acquires, reads the voltage value data that the different pressures of warning memory cell storage correspond and contrasts, and when reacing the K numerical value of settlement, bluetooth host module 8 microprocessor send instruction arrives audio frequency processing module 11, drive attention device 3 send and stop to remind the instruction, simultaneously through MCU bluetooth host module 8's bluetooth module, the transmission stops to remind alarm information and give mobile terminal 27. Like this through setting for a forced induction value, judge the tight degree of clamp of children armpit to obtain accurate armpit fever temperature, satisfy the demand that has the different fever temperatures of febrile convulsion medical history children to take medicine, avoid high fever once more to lead to the febrile convulsion.
Wherein, an alarm temperature difference G for judging fever is supposed to be set; when the maximum difference value a obtained by measuring the first temperature sensor 20 and the second temperature sensor 21 does not reach the set alarm temperature difference value G, but the maximum difference value B obtained by measuring the second infrared sensor 13 reaches the set fever reminding alarm temperature difference value G, it is determined that the child has abdominal fever caused by indigestion such as indigestion or other diseases, the fever is only abdominal fever, and other parts of the body do not have fever, at this time, the first temperature sensor 20 and the second temperature sensor 21 are taken down from the neck and placed in the center of the armpit to measure the body temperature accurately, a pressure sensing value can be set through the mobile terminal 27 to determine the clamping degree of the armpit of the child, so that the accurate armpit fever temperature is obtained, and therefore, the condition that the child has abdominal fever caused by indigestion such as indigestion or other diseases is accurately determined, and the fever generally does not cause febrile convulsion.
In the second embodiment of the body temperature monitoring device, the monitoring thermometer 17 is provided with a waist and abdomen temperature measuring component 23, and a silica gel necklace sling temperature measuring component 19 is not arranged; by adopting the wearing mode, the child clothes are suitable for being worn by children who are active in the daytime and sleep at night.
Before the monitoring thermometer 17 is started to be used, the monitoring thermometer is placed in a packaging box which is designed conventionally and is not ventilated and is kept still for a specific time (based on the characteristic of temperature measurement of an infrared sensor, the setting time needs to be set to be more than 30 minutes), the first infrared sensor 2 and the second infrared sensor 13 are covered with conventional copper metal protective cover plates, under the normal condition, the temperature inside the box comprises a temperature (the temperature is assumed to be H degrees) of which the metal cover plate is constant, and the first temperature sensor 20 and the second temperature sensor 21 are fixed on the temperature measuring belt 24 and are adsorbed by respective tiny magnets to be placed inside the box.
When the temperature monitoring device is used, the monitoring thermometer 17 is not taken out, the first temperature sensor 20 and the second temperature sensor 21 are continuously placed in the box to ensure that the obtained temperatures are consistent, a power switch button or a touch switch 6 is arranged on a PCB 10 of the monitoring thermometer 17, after the power switch button or the touch switch 6 is pressed down, the PCB is powered on, the display screen 6 is powered on and lightened to display data information, a microprocessor of the MCU Bluetooth main control module 8 sends an instruction to the first temperature sensor 20 according to a set program, when a pressure sensor in the first temperature sensor 20 is detected and no external pressure is detected, NTC thermistor sensors which are arranged at the same position and adjacent to 2 paths of the first temperature sensor 20 are measured and are in a stable state within a set unit time (such as 20 seconds or 30 seconds), assuming that the temperature is H degrees, the sensed heat values respectively obtained by the 2-way sensors are transmitted to a temperature conversion processing module 9, converted into digital electric signals through a filter amplifying circuit, an analog-to-digital conversion circuit and an A/D converter chip to obtain measured values of the 2-way temperature, the measured values are transmitted to a microprocessor of the MCU Bluetooth main control module 8, the microprocessor converts the measured corresponding resistance values of the 2-way temperature into temperature values A and B, and is calibrated according to a reference voltage IC and a set NTC thermistor reference resistance value corresponding to a reference voltage when calibrating the delivery temperature stored in a storage unit in the temperature conversion processing module 9, the 2-way NTC thermistor sensor calibrates the difference A1A of the A1-A and the difference B1B of the B1-B and the difference AB of the A-B based on the calibration standard temperature values A1 and B1 corresponding to the reference resistance value at the H temperature, comparing the difference A1B1 of the A1-B1, judging that the first temperature sensor 20 works normally when the difference A1B1AB, the difference A1A and the difference B1B of the A1B1-AB are within a set error range, and simultaneously determining temperature values A and B, wherein the equivalent temperature value for measuring the H temperature through the first temperature sensor 20 is AB; in this way, the temperature measuring accuracy of the first temperature sensor 20 is ensured to be within the allowable range every time the monitoring thermometer 17 is used.
The microprocessor of the MCU bluetooth main control module 8 sends an instruction to the temperature sensor 21 according to a set program, when detecting a pressure sensor in the second temperature sensor 21 and not detecting an external pressure, the NTC thermistor sensor in the second temperature sensor 21 is in a stable state within a set unit time (such as 20 seconds or 30 seconds, etc.) when detecting that the measured temperature is not changed, assuming that the temperature is C, the sensed heat value obtained by the NTC thermistor sensor is transmitted to the temperature conversion processing module 9, and is converted into a digital electric signal through the filter amplifying circuit, the analog-to-digital conversion circuit, and the a/D converter chip, to obtain a measured value of the temperature, which is transmitted to the microprocessor of the MCU bluetooth main control module 8, the microprocessor converts the measured resistance value into a corresponding temperature value D, which is calibrated according to a reference voltage IC and a set NTC thermistor reference voltage corresponding to the factory temperature stored in a storage unit in the temperature conversion processing module 9, when the measured resistance value is calibrated based on a calibrated standard resistance value D1 corresponding to the calibrated standard D1, the microprocessor compares the measured temperature value AB 1 with a difference of the set equivalent temperature AB 20-D, and when the measured error of the second temperature sensor is within a normal range of the temperature AB-D when the equivalent to the measured temperature; in this way, the temperature measuring accuracy of the second temperature sensor 21 is ensured to be within an allowable range every time the monitoring thermometer 17 is used.
The microprocessor of the MCU bluetooth master control module 8, according to a set program, when detecting that the pressure sensors in the first infrared sensor 2 and the second infrared sensor 13 only detect the weight of a copper metal protective cover plate and do not detect other external pressures, sends a measurement instruction to the first infrared sensor 2 and the second infrared sensor 13, at this time, the first infrared sensor 2 and the second infrared sensor 13 measure the copper metal protective cover plate in the package box, the first infrared sensor 2 and the second infrared sensor 13 convert the obtained 2 infrared signals into digital signals through the copper metal protective cover plate, the infrared detection lens, the infrared light signal acquisition circuit, the ambient temperature compensation circuit and the infrared sensors, the temperature conversion processing module 9 converts the digital signals into digital signals through the filter amplification circuit, the analog-to-digital conversion circuit and the a/D converter chip, and transmits the digital signals to the microprocessor of the MCU bluetooth master control module 8, the microprocessor obtains 2 temperature measurement values E and F measured by the first infrared sensor 2 and the second infrared sensor 13, compares the measured E and F temperature values with the temperature value obtained by the first infrared sensor 20 at the same time, and compares the temperature equivalent temperature value of the measured H with the difference value of AB-F, and compares the difference value of the infrared sensor with the set error of the infrared sensor AB-EF 2-infrared sensor, and determines the difference of the infrared sensor error of the infrared sensor, and the infrared sensor, wherein the second infrared sensor is within a set range of the normal temperature sensing error; in this way, the temperature measurement accuracy of the first infrared sensor 2 and the second infrared sensor 13 is ensured to be within an allowable range each time the monitoring thermometer 17 is used.
Install abdomen temperature measurement component 23 on the monitoring clinical thermometer 17, the rope temperature measurement component 19 is hung to the silica gel necklace does not install, when using, passes temperature measurement area 24 with high-elastic elasticity waistband 26, then with wear the same mode of belt, around the children's waistline round that has the history of febrile convulsion, will monitoring clinical thermometer 17's temperature measurement area 24 is worn in abdomen position, first temperature sensor 20 and second temperature sensor 21 rely on high-elastic elasticity waistband 26 elastic force effect, closely laminate abdomen skin, first infrared sensor 2 surveys towards the external survey of body. The jacket is worn by the child, the first temperature sensor 20, the second temperature sensor 21 and the first infrared sensor 2 are arranged inside the jacket, so that the influence of the outside on temperature measurement is reduced, and the child is monitored after the monitoring thermometer 17 is worn. Through the display screen of monitoring clinical thermometer 17 sets up the interface, press and turn over key 5, turn over key 7 down, on & off switch 6 or through mobile terminal 27, set up different warning temperature difference, when pressure-sensitive sensor circuit in first temperature sensor 20 of monitoring clinical thermometer 17 and the second temperature sensor 21 detects pressure and reaches the setting the high-elastic elasticity waistband 26 of monitoring clinical thermometer 17 is to the taut power effect of thermosiphon 24, first temperature sensor 20 and second temperature sensor 21 automatic begin to detect abdomen portion skin temperature, the cylindrical metal temperature sensing shell of temperature sensor contacts skin, through thermistor sensor continuous response skin's calorific value and temperature value to transmit temperature value and calorific value to temperature conversion processing module 9, obtain the temperature measurement value of health abdomen portion that first temperature sensor 20 and second temperature sensor 21 measured, transmit this value to MCU main control module 8, the memory cell in temperature conversion processing module 9 again, like this according to the unit's time of setting for a while being in, first temperature sensor 20 and second temperature measurement that second temperature sensor 21 is stable is measured to the skin of neck portion is measured.
When the intelligent temperature measurement device is used specifically, an alarm temperature difference G fever value for judging fever is set through the monitoring thermometer 17 or through the mobile terminal 27, when the pressure sensor of the first temperature sensor 20 and the second temperature sensor 21 positioned on the waist and abdomen of the clothes detects that the pressure reaches the set tension force of the high-elastic waistband 26 of the monitoring thermometer 17 on the temperature measurement belt 24, the temperature sensors are judged to be worn on the waist and abdomen correctly, the first temperature sensor 20 and the second temperature sensor 21 automatically start to detect the skin temperature of the waist and abdomen, the first measurement value is A1, the second measurement value is A2, the third measurement value is A3 … …, the nth time is An, wherein in the n times, the maximum value A-minimum value = the maximum difference A, when the maximum difference A is larger than or equal to the set alarm temperature difference G fever value, the microprocessor of the MCU Bluetooth main control module 8 sends An instruction to the audio processing module 11, the audio driving circuit of the audio processing module 11 drives the alarm 3 to send a sound or a vibration prompt, and simultaneously sends a Bluetooth instruction to the Bluetooth terminal to connect the alarm temperature difference G or the mobile terminal to transmit the alarm temperature difference G fever value in a broadcast mode.
When the intelligent temperature measuring device is used specifically, an alarm temperature difference G fever value for judging fever is set through the monitoring thermometer 17 or the mobile terminal 27, the microprocessor of the MCU Bluetooth master control module 8 sends a temperature measuring instruction to the first infrared sensor 2, the first infrared sensor 2 in the clothes faces one side of the clothes, after the measuring instruction of the microprocessor of the MCU Bluetooth master control module 8 is received, the temperature of the clothes starts to be measured, whether the ambient temperature of the clothes is higher or not is judged, for example, whether the ambient temperature of the clothes is higher or not, and when the ambient temperature of the clothes is judged to be in a normal range, the microprocessor of the MCU Bluetooth master control module 8 sends an instruction to the audio processing module 11, the audio driving circuit of the audio processing module 11 drives the alarm 3 to give a sound or vibration prompt, and simultaneously sends an instruction to the Bluetooth module, and the alarm temperature difference G fever value is transmitted to the mobile terminal 27 in a Bluetooth connection or broadcast mode.
Wherein, an alarm temperature difference G for judging fever is supposed to be set; when the maximum difference value A obtained by measuring the first temperature sensor 20 and the second temperature sensor 21 reaches the set fever alarm temperature difference value G, the first infrared sensor 2 is aligned to the forehead and the neck to respectively measure the fever by hand, and when the measured temperature reaches the daily fever temperature, the children are judged to generate heat for the whole body, similar to the fever caused by cold and the like, and the high fever easily causes the recurrence of febrile convulsion.
Wherein, an alarm temperature difference G for judging fever is supposed to be set; when the maximum difference value A obtained by measuring the first temperature sensor 20 and the second temperature sensor 21 reaches the set fever alarm temperature difference value G, the first infrared sensor 2 is aligned with the forehead and the neck to be manually measured respectively, and when the measured temperature does not reach the daily fever temperature, the children are judged to have abdominal fever caused by indigestion such as food retention and the like or other diseases, the fever is only abdominal fever, other parts of the body do not have fever, and the fever generally cannot cause febrile convulsion.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (8)
1. A wearable intelligent body temperature monitoring device is characterized by comprising a wearable piece for wearing, wherein a plurality of temperature sensors are arranged on the wearable piece, a monitoring thermometer is hung on the wearable piece, temperature signals detected by the temperature sensors are transmitted to the monitoring thermometer for processing, and the monitoring thermometer transmits the detected body temperature signals to a mobile terminal and/or a remote server terminal;
the temperature sensors comprise a plurality of first temperature sensors (20) and a plurality of second temperature sensors (21) which are arranged along the length direction of the wearing piece, and temperature signals detected by the first temperature sensors (20) and the second temperature sensors (21) are transmitted to the monitoring thermometer (17) for processing;
the monitoring thermometer (17) is provided with a front shell (1) and a bottom shell (14), and two ends of the wearing piece are respectively fixed between the front shell (1) and the bottom shell (14) of the monitoring thermometer (17) through fixing buckles and joints (18);
the front shell (1) is provided with a first infrared sensor (2) and a warning indicator (3);
a second infrared sensor (13), a battery pack (15) and a temperature measuring component interface (16) are arranged on the bottom shell (14); a PCB main board (10) is arranged between the front shell (1) and the bottom shell (14);
the PCB mainboard (10) is provided with an MCU Bluetooth main control module (8), a temperature conversion processing module (9), an antenna (12) and an audio processing module (11), a temperature measurement component interface (16) is electrically connected with the temperature conversion processing module (9), and the first infrared sensor (2) and the second infrared sensor (13) are respectively electrically connected with the temperature conversion processing module (9);
the wearing piece converts and amplifies detected signals through a sampling circuit and then transmits the signals to the temperature conversion processing module (9), the temperature conversion processing module (9) converts measured body temperature signals into digital signals and then transmits the digital signals to a microprocessor of the MCU Bluetooth main control module (8), and the microprocessor outputs control signals to the audio processing module (11);
when the temperature sensor is used, an alarm temperature difference G fever value for judging fever is set through the monitoring thermometer (17) or the mobile terminal (27), after the temperature sensor is judged to be worn correctly, skin temperature is measured for multiple times, when the difference between the maximum value and the minimum value in the values measured for multiple times is larger than or equal to the set alarm temperature difference G fever value, a microprocessor of the MCU Bluetooth main control module (8) sends an instruction to the audio processing module (11), an audio driving circuit of the audio processing module (11) drives the alarm (3) to give a sound or vibration prompt, and simultaneously sends the instruction to the Bluetooth module, and the alarm temperature difference G fever value is transmitted to the mobile terminal (27) through a Bluetooth connection or broadcast mode; after receiving a measurement instruction of a microprocessor of the MCU Bluetooth master control module (8), a second infrared sensor (13) located in the clothes starts to measure the skin temperature for multiple times, when the difference value between the maximum value and the minimum value in the multiple measured values is larger than or equal to a set alarm temperature difference value G fever value, the microprocessor of the MCU Bluetooth master control module (8) sends an instruction to the first infrared sensor (2) to measure the clothes temperature and judge the environment temperature where the clothes are located, when the environment temperature where the clothes are located is judged to be in a normal range, the microprocessor of the MCU Bluetooth master control module (8) sends the instruction to the audio processing module (11), an audio driving circuit of the audio processing module (11) drives the alarm (3) to give out a sound or vibration prompt, and sends the instruction to the Bluetooth module at the same time, and the alarm temperature difference value G fever is transmitted to the mobile terminal (27) through a Bluetooth connection or broadcast mode.
2. The wearable intelligent body temperature monitoring device of claim 1, wherein: the wearing piece is a silica gel necklace sling (19); or the wearing piece is a waistband (26), a temperature measuring belt (24) is arranged in the waistband (26), the first temperature sensor (20) and the second temperature sensor (21) are arranged on the temperature measuring belt (24), the waistband (26) penetrates through the temperature measuring belt (24) to place the temperature measuring belt (24) at the waist and abdomen positions, and two sides of the temperature measuring belt (24) are fixed between a front shell (1) and a bottom shell (14) of the monitoring thermometer (17) through fixing buckles and connectors (18) respectively.
3. The wearable intelligent body temperature monitoring device of claim 1, wherein:
the front shell (1) is further provided with a display screen (4), an upturning key (5), a switch (6) and a downturning key (7), and the first infrared sensor (2), the warning indicator (3), the upturning key (5), the switch (6) and the downturning key (7) are opposite to a control key on the PCB mainboard (10) and extend out of the front shell (1); the display screen (4) is in conductive connection with the PCB main board (10) through a display screen FPC flat cable;
the fixing buckle and the joint (18) are electrically connected with the temperature measuring component interface (16) through a USB interface or a lead and transmit signals to the temperature conversion processing module (9).
4. The wearable intelligent body temperature monitoring device of claim 2, wherein: the first temperature sensors (20) and the second temperature sensors (21) are cylindrical and are fixed on the necklace sling through plastic molds in a pouring mode;
the first temperature sensor (20) is a pressure-sensitive contact temperature sensor and comprises a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a multi-channel temperature measuring head consisting of 2 NTC thermistor sensors which are arranged at the same position and adjacent to each other;
the second temperature sensor (21) is a pressure-sensitive contact temperature sensor and comprises a temperature measuring head consisting of a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a 1-path NTC thermistor sensor;
the temperature control device is characterized in that the NTC thermistor sensor is arranged in the metal temperature sensing shell, the metal temperature sensing shell is in contact with the skin, the NTC thermistor sensor continuously senses the heat value and the temperature value of the skin and transmits the temperature value and the heat value to the temperature conversion processing module (9), the heat value and the heat value are converted into digital electric signals sequentially through the filtering and amplifying circuit, the analog-to-digital conversion circuit and the A/D converter chip, continuously changed temperature measurement values are obtained, and the values are transmitted to the MCU Bluetooth main control module (8).
5. The wearable intelligent body temperature monitoring device of claim 2, wherein: a plurality of the first temperature sensors (20) and the second temperature sensors (21) are poured on the temperature measuring belt through a plastic mold or fixed in the temperature measuring belt by adopting heat-conducting glue;
the first temperature sensor (20) is a pressure-sensitive contact temperature sensor and comprises a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a multi-channel temperature measuring head consisting of 2 NTC thermistor sensors which are arranged at the same position and adjacent to each other;
the second temperature sensor (21) is a pressure-sensitive contact temperature sensor and comprises a pressure-sensitive sensor circuit, a magnet, a metal temperature-sensitive shell and a temperature measuring head consisting of a 1-path NTC thermistor sensor;
the temperature control device is characterized in that the NTC thermistor sensor is arranged in the metal temperature sensing shell, the metal temperature sensing shell is in contact with the skin, the NTC thermistor sensor continuously senses the heat value and the temperature value of the skin, the temperature value and the heat value are transmitted to the temperature conversion processing module (9), the digital electric signal is converted through the filtering amplifying circuit, the analog-to-digital conversion circuit and the A/D converter chip, the continuously changed temperature measurement value is obtained, and the value is transmitted to the MCU Bluetooth main control module (8).
6. The wearable intelligent body temperature monitoring device of claim 1, wherein:
the first infrared sensor (2) and the second infrared sensor (13) are composed of a metal protective cover plate, an infrared detection lens, an infrared light signal acquisition circuit, an environment temperature compensation circuit, an infrared temperature sensor and a pressure sensing sensor circuit.
7. The wearable intelligent body temperature monitoring device of claim 1, wherein:
the temperature conversion processing module (9) comprises an NTC thermistor temperature alarm reference resistance value comparison circuit, a filtering amplification circuit, an analog-to-digital conversion circuit, an A/D converter chip and an alarm data storage unit circuit;
the temperature conversion processing module (9) is electrically connected with the MCU Bluetooth main control module (8) through a storage unit circuit, and the corrected resistor resistance values corresponding to different temperatures can be obtained through the reference voltage IC and the set NTC thermosensitive reference resistor resistance value.
8. The wearable intelligent body temperature monitoring device of claim 2, wherein:
the first temperature sensor (20) and the second temperature sensor (21) on the silica gel necklace hanging rope (19) are placed at the neck part under clothes, so that the first temperature sensor (20) and the second temperature sensor (21) can contact the skin, and the second infrared sensor (13) is matched with the first temperature sensor (20) and the second temperature sensor (21) to measure the temperature of the skin in front of the chest;
the first temperature sensor (20) and the second temperature sensor (21) on the waistband (26) are fixed on the monitoring thermometer (17) through the temperature measuring belt (24), the waistband (26) penetrates through the temperature measuring belt (24) to enable the temperature measuring belt (24) to be placed at the position of the waist and abdomen below clothes and to be in close contact with the skin of the waist and abdomen, and the first infrared sensor (2) is matched with the first temperature sensor (20) and the second temperature sensor (21) to measure the skin temperature of the waist and abdomen.
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| CN113854973A (en) * | 2021-09-28 | 2021-12-31 | 广东小天才科技有限公司 | Body temperature measuring method and device, wearable device and storage medium |
| CN114719990B (en) * | 2022-04-08 | 2022-12-13 | 山东三宏信息科技有限公司 | Temperature measuring device based on pressure correction |
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