CN102183314A - Wireless body temperature monitoring device - Google Patents
Wireless body temperature monitoring device Download PDFInfo
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- CN102183314A CN102183314A CN 201110044756 CN201110044756A CN102183314A CN 102183314 A CN102183314 A CN 102183314A CN 201110044756 CN201110044756 CN 201110044756 CN 201110044756 A CN201110044756 A CN 201110044756A CN 102183314 A CN102183314 A CN 102183314A
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- body temperature
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Abstract
The invention discloses a wireless body temperature monitoring device which comprises a control circuit, a thermistor probe and an antenna, wherein the control circuit is respectively and electrically connected with the thermistor probe and the antenna; the thermistor probe is used for acquiring human body temperature change information, transforming the human body temperature change information into corresponding resistivity information and transmitting the corresponding resistivity information to the control circuit; the resistivity information is processed by the control circuit to obtain a corresponding monitoring result; and the monitoring result is transmitted out by the antenna. The monitoring result is transmitted out by the antenna so that the wireless body temperature monitoring device realizes a wireless working mode and has a simple structure. In addition, the wireless body temperature monitoring device is stuck to the oxter of the human body and used for monitoring the human body temperature in real time. The wireless body temperature monitoring device has the advantages of simple structure and convenience for use and is very suitable for long-time body temperature monitoring for infants or patients in hospitals and families.
Description
Technical field
The present invention relates to field of sensing technologies and encapsulation technology field, be specifically related to a kind of wireless body-temperature monitoring device.
Background technology
Temperature monitoring method commonly used now has two kinds.A kind of is to adopt the infrared temperature detection instrument to measure the human body face temperature, and this method can only be measured the shell temperature of human body, and the cost height, generally is used for the bigger public arena of flow of the people, as the gateway on station, airport etc.Another is to adopt traditional glass clinical thermometer, and measuring operation is carried out in the oxter that manually clinical thermometer is put into the user, and measuring process is trouble, uses inconvenience.
Daily measurement of bldy temperature in hospital and family mainly is to adopt second kind of traditional glass clinical thermometer at present.Attending to the patient or during the infant, the body temperature of observing them as need for a long time changes, must just do the one-shot measurement action by certain interval of time, bother very much, not only influence patient or infant's rest, the caretaker also will consume a large amount of time and efforts, and operating process causes the clinical thermometer fragmentation easily, causes mercury pollution.
Summary of the invention
The main technical problem to be solved in the present invention is, a kind of wireless body-temperature monitoring device is provided, and wireless body-temperature monitoring device of the present invention uses simple, and the temperature monitoring result is accurate, and can monitor body temperature for a long time.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of wireless temperature check device, comprise thermistor probe, control circuit and antenna, described control circuit electrically connects with described thermistor probe and described antenna respectively, described thermistor probe is used to gather the body temperature change information, and change it into respective resistance values information, more described resistance information is sent to described control circuit; Described control circuit is used for described resistance information is handled, and obtains corresponding temperature monitoring result; Described antenna is used for described monitoring result is sent.
Further, described device also comprises the base material that is used to carry described control circuit, described base material is arranged on the top of described thermistor probe, and expose junction between described control circuit and the described thermistor probe, and described control circuit is fixed on the described base material by fixed part, and described antenna is arranged on the described base material.
Wherein, described fixed part is fixing glue-line.
Further, described antenna also is used for receiving antenna and accepts the high frequency carrier that the read write line in the scope sends, and sends it to described control circuit, and described control circuit is used for changing described high frequency carrier into stabilized supply voltage, and powers to control circuit.
Wherein, described control circuit comprises signal processing module and power module, and described power module is used for the high frequency carrier that described antenna receives is converted to stabilized supply voltage, and is used for to described signal processing module power supply; Described signal processing module is used to handle the resistance information that described thermistor probe sends, and the temperature monitoring result who obtains after its processing is gone out by described antenna transmission.
Further, described power module comprises: rectifier and voltage transitions submodule, and described rectifier is used for the high-frequency signal that described antenna receives is converted to DC voltage, and sends to described voltage transitions submodule; Described voltage transitions submodule is used for described DC voltage is converted to stable power voltage, and is described signal processing module power supply.
Further, described signal processing module comprises: body temperature treatment circuit, amplification/filtering submodule, A/D converter, digital submodule and modulator-demodular unit, described body temperature treatment circuit, the resistance information translation that is used for thermistor is an electric signal, and sends to described amplification/filtering submodule; Described amplification/filtering submodule be used for described electric signal is amplified and Filtering Processing, and the electric signal after will handling sends to described A/D converter; Described digital submodule is used for sending control information to described A/D converter; Described A/D converter, being used for according to described control information will be corresponding temperature monitoring result through the electrical signal conversion of amplification and filtering, and send it to modulator-demodular unit; Described modulator-demodular unit is used for described temperature monitoring result is sent to described antenna in the mode of reflection modulation.
Further, described device also comprises the encapsulation obturator, and described encapsulation obturator coats described control circuit, and described control circuit respectively with the junction of described thermistor probe and described antenna.
Further, described encapsulation obturator is ceramic package obturator or epoxy encapsulation obturator.
Further, described control circuit is a chip, and described chip comprises first conductive pin and second conductive pin, and described first conductive pin and described antenna electrically connect, and described second conductive pin and described thermistor probe electrically connect.
The invention has the beneficial effects as follows:
The present invention surveys the body temperature change information of human body by thermistor, thereby change the body temperature change information of human body into thermistor corresponding resistance information, by control circuit the resistance information of this thermistor output is handled again, thereby obtain the temperature monitoring result, by antenna monitoring result is sent again.Because the resistance value of the thermistor among the present invention varies with temperature, and its temperature coefficient is very big, highly sensitive, and response speed is fast, be applicable to and measure small temperature variation, thereby the temperature monitoring result who obtains by wireless body-temperature monitoring device of the present invention is accurate more and accurate, and wireless body-temperature monitoring device of the present invention, adopt the monitoring result temperature monitoring result after antenna will be handled to send, do not need extra cable or other transmission lines that signal is sent, thereby device of the present invention is wireless working method.Because the wireless transmission method of wireless body-temperature monitoring device of the present invention makes this apparatus structure simple, and is easy to use.Therefore, the precision height that wireless body-temperature monitoring device of the present invention is not only monitored, and only need that this device is pasted on the oxter and can realize long temperature monitoring is applicable to baby in hospital or the family or patient's long-time temperature monitoring.
Description of drawings
Fig. 1 is the cut-open view of a kind of embodiment of wireless body-temperature monitoring device of the present invention;
Fig. 2 is the functional block diagram of a kind of embodiment of the chip of Fig. 1;
Fig. 3 is the module map of a kind of embodiment of the power module among Fig. 2;
Fig. 4 is the module map of a kind of embodiment of the signal processing circuit among Fig. 2;
Fig. 5 is Fig. 3 and the power module of Fig. 4 and the module map that signal processing module combines;
Fig. 6 is used for the synoptic diagram of temperature monitoring for wireless body-temperature monitoring device of the present invention.
Embodiment
In conjunction with the accompanying drawings the present invention is described in further detail below by embodiment.
Please refer to Fig. 1, be the cut-open view of a kind of embodiment of wireless body-temperature monitoring device of the present invention.The wireless body-temperature monitoring device of present embodiment comprises control circuit 1 and thermistor probe 2, this control circuit 1 and thermistor probe 2 electrically connect, also comprise antenna 4, and the base material 3 that is used to carry this control circuit 1 and antenna 4, wherein base material 3 covers thermistor probe 2 tops, and expose junction between control circuit 1 and the thermistor probe 2, and control circuit 1 is fixed on this base material 3 by fixed part 5.
Present embodiment adopts the mode of printing to be provided with an antenna 4 on base material 3, and the two ends of this antenna 4 are separately positioned on the both sides of control circuit 1, electrically connects with control circuit 1.
Control circuit 1 in the present embodiment is a chip, comprises first conductive pin 11 and second conductive pin 12.In the present embodiment, adopt two first conductive pins 21 to weld with the two ends of antenna 4 respectively, thereby realize the electric connection of chip and antenna 4; Two second conductive pins 12 weld with the both sides of thermistor probe 2 respectively, thereby realize the electric connection between chip and the thermistor probe 2.
In the present embodiment, fixed part between control circuit 1 and the base material 35 is fixing glue-line.
Please refer to Fig. 1, in order to guarantee that better excellent electrical property is connected between control circuit 1 and antenna 4 and the thermistor probe 2, the body-temperature monitoring device that this enforcement is wireless also is provided with encapsulation obturator 6, this encapsulation obturator 6 coats this control circuit 1, and control circuit 1 respectively and the junction between antenna 4 and the thermistor probe 2, the encapsulation obturator 6 that is present embodiment coats this chip and antenna 4, coated the junction of first conductive pin 11 with the antenna 4 of chip simultaneously, second conductive pin 12 of chip and the junction of thermistor probe 2, thereby form rectangle encapsulation obturator 6 on thermistor probe 2, this encapsulation obturator 6 also can be other shape certainly.
Encapsulation obturator 6 in the present embodiment adopts pottery or epoxy resin to make.
The variation of the wireless body-temperature monitoring device of present embodiment by adopting thermistor probe 2 to come monitoring human body temperature, thereby with the change transitions of body temperature is the corresponding change in resistance of thermistor, and its resistance information sent to control circuit 1, handle by 1 pair of this resistance information of control circuit, and change it into corresponding temperature monitoring result and send, thereby realize monitoring to body temperature.Because thermistor of the present invention is highly sensitive, response speed is fast, is applicable to measure small temperature variation, thereby has guaranteed temperature monitoring result's accuracy and accuracy.And the wireless body-temperature monitoring device of present embodiment receives the high frequency carrier that near read write line sends by antenna 4 is set, and send it to control circuit 1, be converted into stable power voltage by control circuit 1, thereby to 1 power supply of The whole control circuit, therefore, the wireless body-temperature monitoring device of present embodiment does not need extra battery supply.And handle the temperature monitoring result who obtains through control circuit 1 in the present embodiment and be sent to antenna 4 by control circuit 1, send by antenna 4 again, thereby do not need extra cable or connecting line that the temperature monitoring result is sent, thereby make that the wireless body-temperature monitoring device of present embodiment is simple in structure, be easy to manufacture, and when the long-time monitoring of needs body temperature, then only the wireless body-temperature monitoring device of present embodiment need be sticked on the oxter, gather the body temperature change information in real time by thermistor probe, and change it into corresponding resistance information, handle by control circuit again and obtain monitoring result, and in real time monitoring result is sent, thereby realized long-time temperature monitoring by antenna.And the wireless body-temperature monitoring device of present embodiment, and coats with the junction of antenna 4, thermistor probe 2 respectively control circuit 1 by the encapsulation obturator, thereby makes that this device is shatter-proof, withstand voltage, reliability is high.
Please refer to Fig. 2, be the functional block diagram of a kind of embodiment of the control circuit 1 of the wireless body-temperature monitoring device of present embodiment.The control circuit 1 of present embodiment comprises power module 13 and signal processing module 14, this power module 13 is drawn first conductive pin 11 that control circuit 1 is used for linking to each other with antenna 4 jointly with signal processing module 14, and draws second conductive pin 12 that chip 1 is used for linking to each other with thermistor probe 2 by signal processing module 14.Wherein, the high frequency carrier that power module 13 comes by 3 transmission of first conductive pin, 11 receiving antennas, and be converted into stable power voltage, thus be 1 power supply of The whole control circuit; 14 resistance information of sending by thermistor probe 2 of signal processing module by 12 receptions of second conductive pin, and be converted into corresponding temperature monitoring result, send by first conductive pin 11 and antenna 3 again.
Please refer to Fig. 3 and Fig. 5, the power module 13 of the control circuit 1 in the present embodiment comprises: rectifier 131 and voltage transitions submodule 132, this rectifier 131 is electrically connected by first conductive pin 11 with antenna 3, be used for the high frequency carrier that receiving antenna 3 sends, and this high frequency carrier is converted to DC voltage, send to voltage transitions submodule 132 again, then voltage transitions submodule 132 is converted into stabilized supply voltage, and to signal processing module 14 power supplies.
Please refer to Fig. 4 and Fig. 5, the signal processing module 14 of the chip 1 in the present embodiment comprises: body temperature treatment circuit 141, amplification/filtering submodule 142, ADC (Analog-to-Digital Converter, A/D converter or analog/digital converter) 143, modulator-demodular unit 144 and digital submodule 145, this body temperature treatment circuit 141 links to each other with thermistor probe 2 by second conductive pin 12, be used to receive the resistance information of its output, and be electric signal with this resistance information translation, and through 142 processing of amplification/filtering submodule, obtain corresponding body temperature signal, again this body temperature signal is sent to ADC (Analog-to-Digital Converter, A/D converter or analog/digital converter) 143, ADC (Analog-to-Digital Converter, A/D converter or analog/digital converter) 143 receive these body temperature signals after triggered digital submodule 145 mate corresponding control information for it, ADC (Analog-to-Digital Converter then, A/D converter or analog/digital converter) 143 be corresponding temperature monitoring result with this body temperature conversion of signals according to this control information, and this temperature monitoring result sent to modulator-demodular unit 144, then this modulator-demodular unit 144 sends in the mode of reflection modulation this temperature monitoring result by antenna 4.
In the present embodiment, after numeral submodule 145 is triggered, according to different ADC interfaces, be corresponding ADC configuration corresponding control information, for example working method, logic function and the sequential etc. to ADC are configured, and then the control information of present embodiment then is the control information of corresponding work mode, logic function control information or sequential control information etc.
Be described in detail below in conjunction with the principle of work of wireless respiration monitoring device of the present invention wireless respiration monitoring device present embodiment.
As shown in Figure 5, the wireless body-temperature monitoring device 10 of present embodiment is sticked on the human body oxter, near the high frequency carrier that read write line 20 sent this device received by antenna 4, and be transferred to rectifier 131 by first pin 11 of chip, 131 in this rectifier is converted to DC voltage with this high frequency carrier, send to voltage transitions submodule 132 again, obtain stable power voltage, thereby power to entire chip.Wherein, thermistor probe 2 is surveyed body temperature, because the resistance value of thermistor varies with temperature, therefore, this thermistor probe 2 sends to body temperature treatment circuit 141 by second conductive pin 12 with its resistance information, 141 of this body temperature treatment circuits change this resistance information into electric signal, and send to amplification/filtering submodule 142 and amplify and filtering, thereby obtain body temperature signal (i.e. the electric signal of process amplification and filtering) accurately, and send it to ADC (Analog-to-Digital Converter, A/D converter or analog/digital converter) 143, this ADC (Analog-to-Digital Converter then, A/D converter or analog/digital converter) 143 control informations according to digital submodule 145 transmissions, with this body temperature conversion of signals is digital signal (being the temperature monitoring result), and this digital signal sent to modulator-demodular unit 144,144 modes with reflection modulation of modulator-demodular unit send this signal by antenna 4.
Above content be in conjunction with concrete embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. wireless body-temperature monitoring device, it is characterized in that, comprise thermistor probe, control circuit and antenna, described control circuit electrically connects with described thermistor probe and described antenna respectively, described thermistor probe is used to gather the body temperature change information, and change it into corresponding resistance information, more described resistance information is sent to described control circuit; Described control circuit is used for described resistance information is handled, and obtains corresponding temperature monitoring result; Described antenna is used for described monitoring result is sent.
2. device as claimed in claim 1, it is characterized in that, also comprise the base material that is used to carry described control circuit, described base material is arranged on the top of described thermistor probe, and expose junction between described control circuit and the described thermistor probe, and described control circuit is fixed on the described base material by fixed part, and described antenna is arranged on the described base material.
3. device as claimed in claim 2 is characterized in that, described fixed part is fixing glue-line.
4. device as claimed in claim 2, it is characterized in that, described antenna also is used for the high frequency carrier that the read write line in the receiving antenna range of receiving sends, and send it to described control circuit, described control circuit is used for changing described high frequency carrier into stabilized supply voltage, and powers to control circuit.
5. device as claimed in claim 4, it is characterized in that, described control circuit comprises signal processing module and power module, and described power module is used for the high frequency carrier that described antenna receives is converted to stabilized supply voltage, and is used for to described signal processing module power supply; Described signal processing module is used to handle the resistance information that described thermistor probe sends, and the temperature monitoring result who obtains after its processing is gone out by described antenna transmission.
6. device as claimed in claim 5 is characterized in that, described power module comprises: rectifier and voltage transitions submodule, and described rectifier is used for the high-frequency signal that described antenna receives is converted to DC voltage, and sends to described voltage transitions submodule; Described voltage transitions submodule is used for described DC voltage is converted to stable power voltage, and is described signal processing module power supply.
7. device as claimed in claim 6, it is characterized in that, described signal processing module comprises: body temperature treatment circuit, amplification/filtering submodule, A/D converter, digital submodule and modulator-demodular unit, described body temperature treatment circuit, the resistance information translation that is used for thermistor is an electric signal, and sends to described amplification/filtering submodule; Described amplification/filtering submodule be used for described electric signal is amplified and Filtering Processing, and the electric signal after will handling sends to described A/D converter; Described digital submodule is used for sending control information to described A/D converter; Described A/D converter, being used for according to described control information will be corresponding temperature monitoring result through the electrical signal conversion of amplification and filtering, and send it to modulator-demodular unit; Described modulator-demodular unit is used for described temperature monitoring result is sent to described antenna in the mode of reflection modulation.
8. as any described device in the claim 4 to 7, it is characterized in that also comprise the encapsulation obturator, described encapsulation obturator coats described control circuit, and described control circuit respectively with the junction of described thermistor probe and described antenna.
9. device as claimed in claim 8 is characterized in that, described encapsulation obturator is ceramic package obturator or epoxy encapsulation obturator.
10. device as claimed in claim 9, it is characterized in that described control circuit is a chip, described chip comprises first conductive pin and second conductive pin, described first conductive pin and described antenna electrically connect, and described second conductive pin and described thermistor probe electrically connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110044756 CN102183314A (en) | 2011-02-23 | 2011-02-23 | Wireless body temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110044756 CN102183314A (en) | 2011-02-23 | 2011-02-23 | Wireless body temperature monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN102183314A true CN102183314A (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110044756 Pending CN102183314A (en) | 2011-02-23 | 2011-02-23 | Wireless body temperature monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102988027A (en) * | 2011-09-09 | 2013-03-27 | 北京大学深圳研究生院 | Multiple chip package (MCP) form of thermistor and wireless body temperature detection circuit |
| CN106439947A (en) * | 2016-08-31 | 2017-02-22 | 宁波方太厨具有限公司 | Temperature measuring device used for electromagnetic range |
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| CN1603764A (en) * | 2000-12-12 | 2005-04-06 | 迷你米特公司 | Digital sensor for miniature medical thermometer, and body temperature monitor |
| CN1643353A (en) * | 2002-03-20 | 2005-07-20 | 坂野数仁 | Temperature measuring device and temperature measuring method |
| CN101143092A (en) * | 2006-09-11 | 2008-03-19 | 卜祥元 | Radio multi-user medical body temperature monitoring device |
| CN101773386A (en) * | 2008-12-18 | 2010-07-14 | 梁定国 | Rfid medical devices and systems for reading physiological parameter |
| CN201637423U (en) * | 2010-04-02 | 2010-11-17 | 徐芳硕 | Electromagnetic-field electricity-supplying sensor based on single chip microcomputer |
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2011
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603764A (en) * | 2000-12-12 | 2005-04-06 | 迷你米特公司 | Digital sensor for miniature medical thermometer, and body temperature monitor |
| CN1643353A (en) * | 2002-03-20 | 2005-07-20 | 坂野数仁 | Temperature measuring device and temperature measuring method |
| CN2632653Y (en) * | 2003-07-03 | 2004-08-11 | 热映光电股份有限公司 | Electronic clinical thermometer with identifying function |
| CN101143092A (en) * | 2006-09-11 | 2008-03-19 | 卜祥元 | Radio multi-user medical body temperature monitoring device |
| CN101773386A (en) * | 2008-12-18 | 2010-07-14 | 梁定国 | Rfid medical devices and systems for reading physiological parameter |
| CN201637423U (en) * | 2010-04-02 | 2010-11-17 | 徐芳硕 | Electromagnetic-field electricity-supplying sensor based on single chip microcomputer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102988027A (en) * | 2011-09-09 | 2013-03-27 | 北京大学深圳研究生院 | Multiple chip package (MCP) form of thermistor and wireless body temperature detection circuit |
| CN106439947A (en) * | 2016-08-31 | 2017-02-22 | 宁波方太厨具有限公司 | Temperature measuring device used for electromagnetic range |
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Application publication date: 20110914 |