WO2008072714A1 - Capteur de température et système pour gérér la santé d'un corps vivant - Google Patents

Capteur de température et système pour gérér la santé d'un corps vivant Download PDF

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Publication number
WO2008072714A1
WO2008072714A1 PCT/JP2007/074064 JP2007074064W WO2008072714A1 WO 2008072714 A1 WO2008072714 A1 WO 2008072714A1 JP 2007074064 W JP2007074064 W JP 2007074064W WO 2008072714 A1 WO2008072714 A1 WO 2008072714A1
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WO
WIPO (PCT)
Prior art keywords
cantilever
temperature
contact member
sensor
temperature sensor
Prior art date
Application number
PCT/JP2007/074064
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English (en)
Japanese (ja)
Inventor
Tsuyoshi Ikehara
Toshihiro Itoh
Yi Zhang
Masaaki Ichiki
Takeshi Kobayashi
Ryutaro Maeda
Original Assignee
National Institute Of Advanced Industrial Science And Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by National Institute Of Advanced Industrial Science And Technology filed Critical National Institute Of Advanced Industrial Science And Technology
Publication of WO2008072714A1 publication Critical patent/WO2008072714A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
    • G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
    • G01K5/70—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording
    • G01K5/72—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording with electric transmission means for final indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
    • G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue

Definitions

  • the present invention relates to a temperature sensor and a living body health management system using the same.
  • thermoelectric conversion elements such as thermocouples. Since these generate electromotive force (voltage) corresponding to temperature without consuming power, the power consumption of the element itself is zero, but the generated voltage is analog, so an A / D converter circuit is still required And requires power.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2006-98398
  • the temperature data detected by the temperature sensor is transmitted intermittently at regular intervals. To improve the response to temperature changes, the data can be detected and transmitted at finer time intervals. As a result, power consumption must be increased.
  • the detected temperature data is transmitted regardless of whether there is a temperature change. In other words, it can be said that unnecessary data transmission is performed. There is room.
  • the present invention has been made based on such a technical problem, and an object of the present invention is to provide a temperature sensor or the like that can achieve reduction in size and weight while achieving power saving. To do.
  • the inventors of the present invention which have intensively studied to solve the above problems, have focused on a temperature switch using a bimetal structure.
  • the temperature switch using the metal structure has zero power consumption and the output is an ON / OFF electrical switch, so it can be read directly as a digital signal and is required for reading. Power can be minimized.
  • the bimetal temperature switch is a switch that operates at a specific temperature, it cannot be used to detect a continuous temperature change within a wide temperature range.
  • the temperature sensor of the present invention made there is a bimetallic cantilever formed by laminating two kinds of materials having different linear expansion coefficients, an electric contact member facing the tip of the cantilever with a gap, Multiple sets of voltage application units that apply voltage to the cantilever or electrical contact member, and detection circuits that detect voltage fluctuations when the cantilever deformed in response to a temperature change contacts or separates from the electrical contact member .
  • the lengths of the plurality of cantilevers or the gap between the cantilever tip and the electrical contact member are formed to be different from each other.
  • the bimetallic cantilever is deformed according to the temperature change.
  • the timing differs. The longer the cantilever, the narrower the gap between the tip of the cantilever and the electrical contact member The contact is made with less temperature change.
  • such a temperature sensor may further include a measurement control circuit that digitally measures the temperature based on signals emitted from a plurality of detection circuits.
  • the cantilever is formed of a conductive material on at least the layer facing the electric contact member.
  • the layer facing the electrical contact member of the force cantilever is made of a non-conductive material
  • the surface of the cantilever facing the electrical contact member is made of a conductive material, and the cantilever is deformed according to temperature changes. It is preferable to provide a conductive member such as a wiring that conducts to the electrical contact member.
  • the voltage applying unit may be a capacitor fed from a power source.
  • the capacitor is discharged when a cantilever that does not need to be constantly applied with a voltage contacts the electrical contact member, and the voltage change can be detected by the detection circuit. Then, when the capacitor is discharged, the power supply control circuit may supply power from the power source to the capacitor.
  • the temperature sensor as described above may be used for any purpose, but can be used for the purpose of health management of a living population such as an animal.
  • the present inventors attached a sensor that measures physical quantities such as acceleration, inclination, temperature, blood flow, blood pressure, and pulse to a living body such as an animal to be managed, and transmitted the measurement from the sensor. Based on the result data, we have developed a technology that determines the health status of a living body by determining the behavioral state of the living body.
  • the temperature sensor of the present invention is suitable for use as described above.
  • a living body health management system for such a purpose is a system for managing the health of a living body, is mounted on a living body to be managed, measures a physical quantity including at least temperature, and wirelessly transmits the measurement result as data.
  • a sensor and a control device that determines whether or not an abnormality has occurred in the health state of the living body based on data transmitted from the sensor.
  • the sensor includes a bimetallic cantilever formed by laminating two types of materials having different linear expansion coefficients, an electric contact member facing the tip of the cantilever with a gap, and a voltage applied to the cantilever or the electric contact member.
  • the gap force S between the tip of the cantilever and the electrical contact member is different from each other.
  • the senor preferably includes a remote power storage unit that stores the wirelessly supplied power.
  • the temperature sensor of the present invention it is possible to digitally measure the temperature change by detecting the contact of the plurality of sets of cantilevers to the electrical contact member with the signal of the detection circuit force. .
  • temperature measurement in a wide temperature range can be performed by appropriately setting the difference in cantilever length between each pair or the difference in gap between the tip of the cantilever and the electrical contact member.
  • the cantilever unless the temperature change amount exceeds a certain level, the cantilever does not contact the electrical contact member and the ON signal is not output, so the power for outputting the signal can be suppressed.
  • the temperature change is small, the amount of data transmitted wirelessly can be suppressed, which also leads to power saving.
  • voltage fluctuations that occur when the cantilever comes in contact with or separates from the electrical contact member can be used as an output signal from the detection circuit, so that a digital signal can be output directly and an AD converter is not required.
  • Such a temperature sensor can be made small by MEMS technology, and by reducing power consumption, it is possible to eliminate the battery and reduce the weight. In the management system, the weight of the sensor can be reduced. This is because the ability to achieve a long life by reducing power consumption can be achieved.
  • FIG. 1 is a conceptual diagram of a bird flu monitoring system in the present embodiment.
  • FIG. 2 is a diagram showing a configuration of a sensor.
  • FIG. 3 is a diagram showing a specific configuration of a temperature sensor.
  • FIG. 4 An example of the configuration when the temperature sensor is manufactured by MEMS technology.
  • FIG. 5 is a diagram showing the relationship between the cantilever length and the operating temperature difference.
  • FIG. 1 is a diagram conceptually depicting a bird flu monitoring system (biological health management system) 100 according to the present invention. is there.
  • one or more avian influenza monitoring systems 100 are installed so as to cover the sensor 120 attached to the bird (living body) managed in the management area 110 and the management area 110.
  • Relay station 130 a relay station controller 140 that centrally controls all relay stations 130 installed in the management area 110, a transmission / reception device 150, a control device (determination device) 160, and the like.
  • the management area 110 is provided for raising birds, such as a birdhouse.
  • the management area 110 may be an outdoor area such as a ranch, an indoor area such as a barn, or each animal in the zoo. It can be a building or a whole natural park.
  • the configuration of the present invention can also be applied to human subjects.
  • the management area 110 the sensor 120 and the relay station 130 communicate wirelessly. Therefore, the management area 110 is an area where the relay station 130 can acquire the signal from the sensor 120 directly or indirectly. Therefore, when the management area 110 is widened, the power to increase the wireless communication output of the sensor 120 and the number of relay stations 130 may be increased. It is preferable that one relay station 130 can cover an area having a radius of several tens of meters.
  • Such a sensor There are IEEE802.lx wireless LAN, PHS (registered trademark), Bluetooth (registered trademark), ZigBee (registered trademark), UWB, etc. as communication methods between 120 and relay station 130. Considering the balance between power and communication distance, ZigBee (registered trademark) is now the preferred method. Of course, other methods may be used.
  • the sensor 120 is a high-density integration of a sensor group that detects the posture and behavior of a bird, vital signs, and the like, and a detection processing circuit, a communication circuit, a power source, and a power management device, so as to monitor the health state of the bird. It is a system in package.
  • Measurement data in the sensor 120 is transmitted wirelessly.
  • the transmitted measurement data is received by the relay station 130 and further transferred to the relay station controller 140.
  • the relay station 130 and the relay station controller 140 can be connected by wireless or wired Ethernet (registered trademark).
  • the relay station controller 140 controls not only the relay station 130 installed in the management area 110 but also the relay stations in the other management areas 112 and 114, and collects and transmits the data of the sensors 120 received by these relay stations. Transfer to device 150.
  • the relay station controller 140 is assigned an identification mark such as an IP address to all the relay stations 130 installed in the management area 110, and is provided with a control device. It is possible to add a function that mediates transmission of commands given from 160 to each sensor 120.
  • the relay station controller 140 can also be configured to control hand over between the relay stations 130.
  • the transmission / reception device 150 transmits the measurement data of the sensor 120 to the control device 160 through the Ethernet (registered trademark), the Internet, a telephone line, a wireless telephone network.
  • the control device 160 is a computer device in terms of hardware, and can be manufactured by installing software having necessary functions in a general-purpose computer. Therefore, many functions of the control device 160 are realized by cooperation of hardware such as CPU, memory, network adapter, and modem, which is provided in a general computer, and software.
  • the control device 160 monitors the occurrence of bird flu by determining the measurement data transmitted from the sensor 120.
  • the measurement sent from sensor 120 is If it is determined that the fixed data indicates the occurrence of avian influenza, the result of the determination, that is, information indicating that avian influenza has occurred, is output as an alarm, printed out in print, or input in advance. It can also be output by sending an e-mail to the destination.
  • the control device 160 may be installed in the vicinity of the management area 110! /, But it may be installed at a remote location quite far away.
  • FIG. 2 is a diagram showing the configuration of the sensor 120.
  • the sensor 120 includes, for example, a physical quantity sensor 210 for measuring a predetermined physical quantity on a thin film substrate, and a circuit for controlling each part so as to perform a predetermined operation as the sensor 120.
  • Communication control for transmitting and receiving radio waves between the sensor control unit (power supply control circuit, measurement control circuit) 220 configured with a capacitor unit 230 that stores the power necessary for the operation of the sensor 120, and the relay station 130 Communication control unit 240 and antenna 250 mounted on a thin ribbon (film) substrate.
  • a sensor 120 uses the latest ultra-high-density mounting technology and MEMS processing technology. By making full use and narrowing down the sensor function, it will be ultra-compact.
  • an ultra-small sensor chip is manufactured by a system-in-package with a three-dimensional multilayer chip (5 mm or less) in the middle lcm square area on a 3 cm square antenna FPC.
  • the physical quantity sensor 210 is a physical quantity sensing chip that measures at least temperature.
  • an acceleration sensor 210A and a temperature sensor 210T are provided as the physical quantity sensor 210.
  • the sensor information including the acceleration information and the temperature information detected by the acceleration sensor 210A and the temperature sensor 210T is not transmitted to the relay station 130 one after another.
  • the ability to reduce power consumption by reducing the amount of power can be reduced with S.
  • the sensor control unit 220 includes an IC and a memory, and is a physical quantity sensor.
  • An event-driven circuit that performs predetermined processing when a signal is received from 210 is provided.
  • the predetermined process the contents of the signal received from the physical quantity sensor 210 are recorded. There is something that accumulates in
  • sensor 120 generates electric power by induced electromotive force by receiving radio waves transmitted from relay station 130 by antenna 250, and stores this electric power in capacitor unit 230.
  • the sensor control unit 220 includes an RF-DC conversion circuit that converts radio waves received by the antenna 250 into direct current, and a charging circuit that stores electric power in the capacitor unit 230 by the direct current converted by the RF-DC conversion circuit. , Has.
  • the sensor 120 is an active sensor that has a power supply and communicates with its own power, it does not require scanning by a reader like RF—ID, and it is never easy to control its behavior.
  • N / A suitable for bird management! /
  • the communication control unit 240 responsible for communication control functions as an ultra-compact wireless communication device for transmitting measurement data from the physical quantity sensor 210, and includes a control chip having a communication control circuit and And an impedance matching circuit for matching the impedance of radio waves to be transmitted and received.
  • the control chip is configured to have a unique identifier.
  • the control chip is configured to transmit the identifier together.
  • FIG. 3 is a diagram showing a configuration of the temperature sensor 210T for detecting the temperature in the physical quantity sensor 210. As shown in FIG. 3
  • the temperature sensor 210T includes a plurality of bimetal cantilever sensors 211.
  • the bimetal cantilever sensor 211 has a lever (cantilever) 2 12 made of a bimetal material in which a high linear expansion coefficient material 212a and a low linear expansion coefficient material 21 2b are joined or laminated, and only a base end portion 212c thereof is a base 213.
  • the structure is fixed to the cantilever and supported in a cantilever shape.
  • An electrical contact member 214 made of a conductive material is disposed with a predetermined gap so as to face the lever 212.
  • the lever 212 made of such a bimetal material swells and deforms around the base end 212c according to a change in temperature due to the difference in linear expansion coefficient between the high linear expansion coefficient material 212a and the low linear expansion coefficient material 212b.
  • the tip 212d moves in a direction approaching / separating from the electrical contact member 214 and reaches a predetermined temperature, the tip 212d comes into contact with the electrical contact member 214.
  • the low linear expansion coefficient material 212b is usually provided so as to face the electrical contact member 214, and constitutes an electrical contact with respect to the electrical contact member 214. For this reason, the low linear expansion coefficient material 212b needs to be formed of a conductive material.
  • a material other than metal is used as the low linear expansion coefficient material 212b, it is necessary to add a conductive member such as a wiring made of a conductive material to the surface of the lever 212 on the low linear expansion coefficient material 212b side.
  • the plurality of bimetal cantilever sensors 211 are formed so that the lengths of the levers 212 are different from each other! If the high linear expansion coefficient material 212a and the low linear expansion coefficient material 212b constituting the lever 212 are common between the bimetal cantilever sensors 211, the lever 212 is located at the same distance from the base end 212c. If so, it will stagnate and deform with the same radius of curvature as the temperature changes. At this time, since the lengths of the levers 212 are different from each other between the bimetal cantilever sensors 211, the longer the lever 212, the greater the displacement of the tip 212d.
  • the tip end portion 212d contacts the electrical contact member 214 at an earlier timing as the bimetal force inch lever sensor 211 of the lever 212 is longer.
  • the timing that is, the temperature at which the tip 212d contacts the electrical contact member 214 is determined according to the length of the lever 212.
  • the difference in the length of the lever 212 between the bimetal cantilever sensors 21 1 is determined by the measurement pitch when measuring the temperature digitally, in other words, by the minimum unit of measurement. Accordingly, the length of the lever 212 between the bimetal cantilever sensors 211 is preferably provided at a constant pitch. Where lever 212 The gap between the lever 212 and the electric contact member 214 may be different among the plurality of bimetal cantilever sensors 211.
  • each bimetal cantilever sensor 211 a voltage is applied to the electrical contact member 214, and the lever 212 side is grounded.
  • a signal processing circuit 215 is connected to each bimetal cantilever sensor 211! /.
  • this signal processing circuit 215 a voltage that is stored in a capacitor (voltage applying unit) 215a is applied to the electrical contact member 214.
  • the bimetal cantilever sensor 211 has a voltage that changes when the lever 212 is deformed by the temperature change and is brought into contact with the electrical contact member 214 to establish electrical continuity. This is applied to the F / F (Flip Flop) circuit. It is detected by a detection circuit 215b consisting of When the voltage detected by the detection circuit 215b fluctuates, the output signal from the detection circuit 215b switches from OFF force, ON, or from ON to OFF.
  • the lever 212 and the electrical contact member 214 are electrically connected.
  • a power supply control signal for supplying power from the power source for a certain period of time is output to the power source.
  • Such a signal processing circuit 215 can be formed in an IC constituting the sensor control unit 220.
  • the temperature sensor 210T having such a configuration includes a plurality of sets of bimetal cantilever sensors 211, and the lengths of the levers 212 are different in a plurality of stages.
  • the lever 212 contacts the electrical contact member 214 and the signal processing circuit 215 detects from the detection circuit 215b.
  • Output signal turns ON.
  • the output signals of ON are sequentially output from the signal processing circuits 215 of each set in the order of the length of the lever 212.
  • the lever 212 that has been in contact with the electrical contact member 214 is separated from the electrical contact member 214, and the output signal from the detection circuit 215b is turned OFF.
  • the output signal of OFF is sequentially transmitted from the signal processing circuit 215 of each set in the shortest order of the lever 212. It will be output.
  • the sensor control unit 220 when the signal from the detection circuit 215b is switched from OFF to ON, or from ON to OFF, the OFF force, or from ON or from ON to OFF, and the time information thereof are displayed.
  • the information stored in the memory and transmitted at a predetermined timing is transmitted to the control device 160 via the relay station 130.
  • the temperature change is digitally measured by detecting the contact of the plurality of bimetallic levers 212 having different lengths to the electrical contact member 214 with a signal from the detection circuit 215b. It becomes possible to do. At this time, by appropriately setting the difference in the length of the lever 212 between the multiple levers 212, it is possible to minimize the power consumption without detecting the temperature with the minimum unit accuracy more than necessary. can do. As long as the temperature change amount does not exceed a certain level, the lever 212 does not contact the electrical contact member 214 and no ON signal is output. This naturally reduces the power required to output the signal. Further, the data obtained as a result of the measurement in this way is the temperature and time information when the temperature change occurs. In other words, if the temperature change is small, the amount of data transmitted wirelessly can be reduced, which also leads to power saving.
  • the capacitor 215a is charged, and when the lever 212 comes into contact with the electrical contact member 214 and discharges, power is supplied to the capacitor 215a. Can be suppressed.
  • the voltage fluctuation generated when the lever 212 contacts / separates the electrical contact member 214 is directly output from the detection circuit 215b, so that a digital signal can be output directly and no AD converter is required. It is.
  • Such a temperature sensor 210T can be formed by MEMS technology.
  • a silicon oxide film 261 as a sacrificial layer is deposited on a silicon substrate 260, and a Ni (Young The film 262 is produced by sputtering or vapor deposition.
  • a 0.5-inch thick W (Young's modulus 345GPa, linear expansion coefficient 4 ⁇ 5E-6 / ° C) film 263 was formed as a low linear expansion coefficient material 222b by sputtering or vapor deposition. 222 is formed.
  • These films use photolithography and etching. Therefore, machining can be performed with an accuracy of m level. Make 21 Reen 222s of length 195 111 forces, et al 215 111, changing the length by 1 m. By using photolithography and etching, these levers 222 having different lengths can be manufactured simultaneously.
  • the silicon oxide film 261 in the lower part of the bimetallic lever 222 is removed by etching with an HF aqueous solution so that the lever 222 can operate freely. Since W and Ni do not dissolve in HF, the lever 222 can be left selectively.
  • a glass plate 264 having a recess 264a having a depth of 5 m is joined to the upper surface of the lever 222, and an electrical contact member 224 is joined to the inside.
  • the glass plate 264 and the electrical contact member 224 may be obtained by joining two layers of an insulating spacer having a thickness of 5 inches and a substrate on which electrodes are formed.
  • the W film 263 made of the low linear expansion coefficient material 222b faces the electric contact member 224. Therefore, when the temperature rises, the electric contact member 224 is directed and bent.
  • one end of a bimetal prepared by superposing two layers of material A (thickness ta, Young's modulus Ea, linear expansion coefficient aa) and material B (thickness tb, Young's modulus Eb, linear expansion coefficient ab) is fixed.
  • the cantilever structure has a length L
  • the displacement y due to the temperature change ⁇ at the other end is expressed by the following equation. From this equation, the temperature difference that creates a 5 m displacement at the tip 222d of the lever 222 can be calculated.
  • FIG. 5 shows the calculation results when the reno 212 is 195 to 215 m in length in the temperature sensor 210T having the above-described configuration using Equation 1.
  • the lever 212 without bending force S is manufactured at room temperature (20 ° C)
  • the lever 212 and the electrical contact member 214 come into contact with each other and the switch is turned on.
  • the lever 212 of length 215 111 is turned on at a temperature difference of 16.51 ° C (actual temperature 36.51 ° C) with respect to room temperature.
  • the temperature range of ° C can be covered at intervals of about 0.2 ° C.
  • body temperature can be measured with an accuracy (measurement pitch) of 0.2 ° C.
  • this sensor 120 When this sensor 120 is used for other living bodies, the same design should be performed within the measurement temperature range according to the type of the living body! /.
  • the temperature sensor 210T can be reduced in size and weight by forming the temperature sensor 210T by MEMS technology. Moreover, the lever 212 and the like having different lengths can be formed in a lump so that mass production is possible at low cost. The sensor 120 provided with such a temperature sensor 210T can be reduced in size and weight, and at the same time, can save power.
  • the senor 120 may be designed exclusively for the size of “sensor type”, the output of a communication device, etc., depending on the application, such as for aquaculture, livestock, and wild animals.
  • the sensor 120 can also be used for purposes other than monitoring the occurrence of avian influenza.
  • the sensor 120 can be configured to include a battery in the sensor 120 that does not supply power by radio waves. Of course, it is also possible to charge the battery at an appropriate timing.
  • the present invention can be applied not only to the aquaculture industry, but also to other livestock farming and health monitoring of wild animals, and prevents large-scale transmission of infectious diseases via wild animals. It can also be used to construct a simple network.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

L'invention concerne un capteur de température présentant des dimensions réduites ainsi qu'un faible poids et consommant peu d'énergie. Ce capteur de température (210T) comprend plusieurs ensembles de détecteurs bimétalliques en porte-à-faux (211) dont le levier (212) présente différentes positions. Par exemple, lorsque la température augmente et qu'elle atteint une valeur prédéterminée par la longueur de l'ensemble de leviers (212), le levier (212) est mis en contact avec un élément de contact électrique (214) de manière à induire un signal de sortie dans un circuit de détection (215b) d'un circuit de traitement de signaux (215). Ainsi, lorsque la température augmente de manière continue par exemple, des signaux de sortie sont successivement émis par les ensembles respectifs du circuit de traitement de signaux (215) dans l'ordre décroissant des longueurs de leviers (212).
PCT/JP2007/074064 2006-12-15 2007-12-13 Capteur de température et système pour gérér la santé d'un corps vivant WO2008072714A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006337854A JP5046092B2 (ja) 2006-12-15 2006-12-15 温度センサ、生体の健康管理システム
JP2006-337854 2006-12-15

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WO2008072714A1 true WO2008072714A1 (fr) 2008-06-19

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JP5268108B2 (ja) * 2009-03-18 2013-08-21 独立行政法人産業技術総合研究所 Ｍｅｍｓの技術による温度センサ及びその製造方法
CN107934909B (zh) * 2016-10-12 2019-07-12 清华大学 一种基于碳纳米管的致动器的制备方法
CN107934904B (zh) * 2016-10-12 2019-07-12 清华大学 一种基于碳纳米管的致动器以及致动系统
CN107933911B (zh) * 2016-10-12 2019-07-12 清华大学 一种仿生昆虫
CN107946451B (zh) * 2016-10-12 2019-07-12 清华大学 一种温度感测系统
CN107932475B (zh) * 2016-10-12 2019-07-12 清华大学 一种仿生手臂及采用该仿生手臂的机器人
CN111839461B (zh) * 2020-07-27 2022-11-22 歌尔科技有限公司 一种传感器和智能穿戴设备
KR102269687B1 (ko) * 2020-12-06 2021-06-25 주식회사 알에스팀 스마트팜 운영 시스템

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