WO2019085436A1 - 连续测温的体温计 - Google Patents

连续测温的体温计 Download PDF

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WO2019085436A1
WO2019085436A1 PCT/CN2018/086867 CN2018086867W WO2019085436A1 WO 2019085436 A1 WO2019085436 A1 WO 2019085436A1 CN 2018086867 W CN2018086867 W CN 2018086867W WO 2019085436 A1 WO2019085436 A1 WO 2019085436A1
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temperature
heating
layer
heating layer
thermometer
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PCT/CN2018/086867
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English (en)
French (fr)
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胡源
李纯银
管云开
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上海智杏投资管理合伙企业（有限合伙）
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Publication of WO2019085436A1 publication Critical patent/WO2019085436A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature

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  • the invention relates to the field of thermometers, in particular to a thermometer for continuous temperature measurement.
  • the continuous temperature measurement of the Bluetooth smart thermometer on the market mostly uses a sticker to attach the thermometer to the underarm of the subject, and uses a temperature sensor to collect the temperature of the underarm skin.
  • This type of temperature measurement requires the arm of the subject to be clamped so that the armpit forms a closed cavity, so that the measured temperature is close to the body center temperature.
  • the arm of the test subject cannot be kept in the clamped state at all times.
  • the armpit is no longer a closed cavity, and the change of the external air temperature causes the temperature collected by the temperature sensor to change.
  • there is a large deviation from the temperature of the human body center A certain compensation according to the air temperature may reduce this deviation, but due to the large individual differences of the human body, this compensation method cannot guarantee that the measurement error of the thermometer is within the medical requirements accuracy under various circumstances.
  • the technical problem to be solved by the present invention is to overcome the defect that the continuous temperature measuring thermometer in the prior art is caused by the influence of the outside air temperature, resulting in a large measurement error, and to provide a thermometer for continuous temperature measurement with a heating and heat insulating member.
  • thermometer for continuous temperature measurement comprising a bottom case, a top case and a body temperature temperature measuring sensor, wherein the body temperature temperature measuring sensor is disposed above the bottom case, and the bottom case is disposed at a position opposite to the body temperature temperature measuring sensor An opening, the thermometer further comprising a power source, a heating controller, a first insulating layer and a heating layer;
  • the first heat insulation layer and the heating layer are sequentially disposed between the body temperature temperature sensor and the top case, and the heating controller is configured to control the heating layer to perform heating, and the power source is used for The controller and the heating layer are powered.
  • a heating layer temperature measuring sensor is further disposed above or below the heating layer, and the heating layer temperature measuring sensor is configured to measure a temperature value of the heating layer to more accurately control the temperature of the heating layer.
  • the heating controller is configured to acquire a temperature value of the heating layer, and control heating of the heating layer according to a temperature value of the heating layer, and automatically control heating of the heating layer.
  • the heating controller is configured to determine whether the temperature value of the heating layer is between the first temperature threshold and the second temperature threshold, and if so, generate a start heating command for controlling the heating layer to start heating, If not, a stop heating command is generated for controlling the heating layer to stop heating.
  • the first temperature threshold is 31.5-32.5 ° C and the second temperature threshold is 34.5-35.5 ° C.
  • the heating controller is configured to control the heating layer to be heated to a third temperature threshold such that the temperature of the heating layer is relatively constant, thereby causing the body temperature temperature sensor to be in a relatively stable temperature distribution.
  • the third temperature threshold is 34.5-35.5 °C.
  • the heating controller is configured to determine whether a difference between a temperature value measured by the body temperature temperature sensor and a temperature value of the heating layer is greater than a fourth temperature threshold, and if so, generate a start heating command, Heating is initiated to control the heating layer, and if not, a stop heating command is generated for controlling the heating layer to stop heating.
  • thermometer further includes a main controller
  • the heating controller is further configured to send the start heating command or the stop heating command to the after generating the start heating command or the stopping heating command
  • the main controller is configured to calculate a final temperature value:
  • the final temperature value is a sum of a temperature value measured by the body temperature temperature sensor and a corrected temperature value
  • the final temperature value is a temperature value measured by the body temperature temperature sensor.
  • the temperature value measured by the body temperature temperature sensor is in one-to-one correspondence with the corrected temperature value, and thus the final temperature value is more accurate.
  • the heating layer temperature measuring sensor is disposed at a position opposite to the center of the heating layer to avoid the influence of the external environment temperature on the heating layer temperature measuring sensor.
  • the body temperature temperature sensor is disposed at a position opposite to the center of the heating layer to avoid the influence of the external environment temperature on the body temperature temperature sensor.
  • a second heat insulation layer is disposed between the heating layer and the top case to slow heat dissipation of the heating layer and save electrical energy.
  • the thermal conductivity of the second thermal insulation layer is not greater than the thermal conductivity of the first thermal insulation layer.
  • the first heat insulation layer and the second heat insulation layer are both made of a foam material.
  • a third heat insulation layer is disposed between the heating layer and the second heat insulation layer to further reduce heat dissipation of the heating layer and save electrical energy.
  • the third heat insulating layer is made of a nano heat insulating material.
  • the heating layer has a circular or annular shape, and the heating layer having a small area is advantageous for saving electrical energy.
  • a heat conducting sheet is disposed between the heating layer and the heating layer temperature measuring sensor, so that the temperature distribution in the heating layer of the heating layer is uniform.
  • the thermally conductive sheet is made of a graphene material.
  • thermometer includes a wireless communication module, and the wireless communication module is configured to send the final temperature value to an external device.
  • thermometer includes a charging module for charging the power source.
  • the thermometer includes a distance sensor for measuring a distance value from the obstacle
  • the main controller is configured to acquire the distance value and determine whether the distance value is greater than a distance threshold, and if yes, generate the The heating command is stopped and sent to the heating controller.
  • the distance value is used to determine whether the thermometer is in contact with the human body. When the distance value is greater than the distance threshold, it can be inferred that the thermometer has left the human body, and generating the stop heating command is beneficial to save energy.
  • the thermometer includes an environmental temperature sensor for measuring an ambient temperature value
  • the main controller is configured to acquire the ambient temperature value and determine between the ambient temperature value and a temperature value of the heating layer. Whether the difference is less than a fifth temperature threshold, and if so, generating the stop heating command and transmitting to the heating controller.
  • the difference between the ambient temperature value and the temperature value of the heating layer is less than the fifth temperature threshold, it can be inferred that the thermometer has left the human body, and generating the stop heating command is conducive to saving electrical energy.
  • the positive progressive effect of the present invention is that the present invention adds a heat insulating layer and a heating layer to the current continuous temperature measuring thermometer, thereby forming a heat insulating component outside the body temperature temperature measuring sensor, and making the surrounding environment of the body temperature temperature measuring sensor during temperature measurement. It is always maintained in a stable temperature distribution, independent of the outside air temperature.
  • the invention reduces the influence of the external temperature on the thermometer on the one hand, and reduces the heat dissipation of the skin of the tested part on the other hand, so that the arm of the test subject can be in a freely movable state without constantly maintaining the clamped state, and the thermometer
  • the temperature measurement results can also meet the medical accuracy requirements.
  • thermometer 1 is a schematic structural view of a thermometer for continuous temperature measurement according to Embodiment 1 of the present invention.
  • thermometer 2 is a functional block diagram of a thermometer for continuous temperature measurement according to Embodiment 1 of the present invention.
  • Fig. 3 is a flow chart showing the algorithm of the final temperature value of the thermometer for continuous temperature measurement according to the embodiment 1 of the present invention.
  • thermometer 4 is a flow chart of an algorithm for determining the final temperature value of a continuously temperature-measured thermometer according to Embodiment 2 of the present invention.
  • the continuously temperature measuring thermometer includes a bottom case 1, a body temperature measuring sensor 2, a first heat insulating layer 3, a heating layer 4, a heating layer temperature measuring sensor 5, a second heat insulating layer 6, and a top case. 7.
  • the body temperature temperature sensor 2 is disposed above the bottom case 1, and the bottom case 1 is provided with an opening 8 for exposing the body temperature temperature sensor 2 to be in contact with the human body
  • the heating layer 4 is disposed on the body temperature temperature sensor 2 and the top case 7 between the first thermal insulation layer 3 is disposed between the body temperature temperature sensor 2 and the heating layer 4
  • the heating layer temperature sensor 5 is disposed between the heating layer 4 and the top case 7, and the body temperature temperature sensor 2 and heating
  • the layer temperature measuring sensors 5 are respectively disposed at positions opposite to the center of the heating layer 4, and the second heat insulating layer 6 is disposed between the heating layer temperature measuring sensor 5 and the top case 7, the first heat insulating layer 3 and the second heat insulating layer Layer 6 is made of a foam material.
  • the thermometer for continuous temperature measurement includes a body temperature temperature sensor 2, a heating layer 4, a heating layer temperature sensor 5, a heating controller 9, a main controller 10, a display module 11, a wireless communication module 12, and A power supply (not shown) that supplies power to the above modules.
  • the body temperature temperature sensor 2 is used to measure the temperature value of the test subject;
  • the heating layer temperature sensor 5 is used to measure the temperature value of the heating layer 4, and the heating controller 9 obtains the temperature value of the heating layer 4 and according to the heating layer 4 The temperature value controls the heating layer 4 for heating;
  • the main controller 10 is configured to acquire the temperature value measured by the body temperature temperature sensor 2 and the temperature value of the heating layer 4, and calculate the final temperature value of the subject;
  • the display module 11 is used to display the The final temperature value of the tester;
  • the wireless communication module 12 is configured to transmit the final temperature value of the test subject to the external device.
  • the thermometer When continuously measuring the temperature of the test subject, the thermometer is first placed under the test subject, and the body temperature temperature sensor 2 measures the temperature value of the test subject, and the heating layer temperature sensor 5 is also measuring the heating layer 4.
  • the temperature controller, the heating controller 9 determines whether the temperature value of the heating layer 4 is between the first temperature threshold and the second temperature threshold, and calculates the final temperature value of the measured object according to the determination result, wherein in the first embodiment
  • the first temperature threshold is 32 ° C and the second temperature threshold is 35 ° C. specifically:
  • the heating controller 9 If the temperature value of the heating layer 4 is between 32 and 35 ° C, it can be inferred that the subject does not clamp the thermometer, at which time the heating controller 9 generates a start heating command for controlling the heating layer 4 to perform heating, and the start The heating command is sent to the main controller 10, and the heating layer 4 is heated to 35 ° C (third temperature threshold), so that the temperature value of the heating layer 4 is relatively constant, and thus the body temperature temperature sensor 2 is in a relatively stable temperature distribution, The effect of the external ambient temperature on the body temperature temperature sensor 2 is reduced.
  • the main controller 10 sums the temperature value measured by the body temperature temperature sensor 2 and a corrected temperature value as the final temperature value of the subject according to the received start heating command, wherein the corrected temperature value is A value corresponding to the temperature value measured by the body temperature temperature sensor 2 obtained after a plurality of experiments, the corrected temperature value being stored in advance in the main controller 10.
  • the heating controller 9 If the temperature value of the heating layer 4 is lower than 32 ° C, it can be inferred that the subject is not in contact with the thermometer, and at this time, the heating controller 9 generates a stop heating command for controlling to stop heating the heating layer 4, and stops the heating.
  • the instructions are sent to the main controller 10.
  • the main controller 10 takes the temperature value measured by the body temperature temperature sensor 2 as the final temperature value based on the received stop heating command, and does not need to be corrected.
  • the heating controller 9 If the temperature of the heating layer 4 is higher than 35 ° C, it can be inferred that the subject has clamped the thermometer without being affected by the external ambient temperature, at which time the heating controller 9 generates a stop for controlling the stop of heating of the heating layer 4.
  • the command is heated and the stop heating command is sent to the main controller 10.
  • the main controller 10 takes the temperature value measured by the body temperature temperature sensor 2 as the final temperature value of the subject based on the received stop heating command, and does not need to be corrected.
  • thermometer for continuously measuring temperature in the case where the temperature field around the body temperature temperature sensor 2 is substantially not affected by the external environment temperature, the area of the heating layer 4 can be reduced to save electric energy, for example, the heating layer 4
  • the shape can be circular or circular.
  • the thermal conductivity of the second thermal insulation layer 6 is preferably not greater than the thermal conductivity of the first thermal insulation layer 3 to better slow the heat dissipation of the heating layer 4 and save electrical energy.
  • a third thermal insulation layer (not shown) may be further included between the heating layer temperature measuring sensor 5 and the second thermal insulation layer 6 to further slow down the heat dissipation of the heating layer 4, wherein the third thermal insulation layer may be adopted. Nano insulation material.
  • thermometer for continuous temperature measurement may further include a heat conductive sheet (not shown) between the heating layer 4 and the heating layer temperature measuring sensor 5, so that the temperature distribution in the heating layer 4 is uniform, and the heating layer 4 is The temperature field distribution between the body temperature temperature sensors 2 is determined, wherein the heat conductive sheet may be a graphene material.
  • thermometer for continuous temperature measurement may be a replaceable battery or a rechargeable battery. If a rechargeable battery is used, the thermometer for continuous temperature measurement in this embodiment may further include a charging module (not shown) for charging the battery in a wired or wireless manner.
  • the thermometer for continuous temperature measurement in this embodiment may further include a distance sensor (not shown) for measuring a distance value between the subject and the subject, and the main controller 10 is configured to acquire the distance value and determine whether the distance value is Greater than the distance threshold. If the distance value is greater than the distance threshold, it can be inferred that the thermometer has left the human body and the generated stop heating command is sent to the heating controller 9 for stopping the heating of the heating layer 4 to save electrical energy.
  • a distance sensor not shown
  • the main controller 10 is configured to acquire the distance value and determine whether the distance value is Greater than the distance threshold. If the distance value is greater than the distance threshold, it can be inferred that the thermometer has left the human body and the generated stop heating command is sent to the heating controller 9 for stopping the heating of the heating layer 4 to save electrical energy.
  • the thermometer for continuous temperature measurement in this embodiment may further include an environmental temperature sensor (not shown) for measuring an ambient temperature value, and the main controller 10 is configured to obtain the ambient temperature value, and determine the ambient temperature value and Whether the difference between the temperature values of the heating layer 4 is less than the fifth temperature threshold. If it is less than the fifth temperature threshold, it can be inferred that the thermometer has left the human body or has been clamped, and the generated stop heating command is sent to the heating controller 9 for stopping the heating of the heating layer 4 to save electrical energy.
  • an environmental temperature sensor not shown
  • the main controller 10 is configured to obtain the ambient temperature value, and determine the ambient temperature value and Whether the difference between the temperature values of the heating layer 4 is less than the fifth temperature threshold. If it is less than the fifth temperature threshold, it can be inferred that the thermometer has left the human body or has been clamped, and the generated stop heating command is sent to the heating controller 9 for stopping the heating of the heating layer 4 to save electrical energy.
  • the experimental result shows that the reading of the existing continuous temperature measuring thermometer drops by more than 3 ° C, and The readings measured by the thermometer for continuous temperature measurement of the examples did not fall by more than 0.1 °C.
  • the measured final temperature value of the continuous temperature measurement of the present embodiment is closer to the true body temperature of the test subject regardless of whether the subject is clamping the thermometer.
  • thermometer for continuous temperature measurement of Example 2 The specific structure of the thermometer for continuous temperature measurement of Example 2 is the same as that of Embodiment 1, and the difference is the specific algorithm of the final temperature value.
  • the thermometer When continuously measuring the temperature of the test subject, the thermometer is first placed under the test subject, and the body temperature temperature sensor 2 measures the temperature value of the test subject, and the heating layer temperature sensor 5 is also measuring the heating layer 4. The temperature value, the heating controller 9 is used to calculate the difference between the temperature value measured by the body temperature temperature sensor 2 and the temperature value of the heating layer 4, and determine whether the difference is greater than the fourth temperature threshold, and then calculate the subject according to the judgment result. The final temperature value. specifically:
  • the heating controller 9 If the difference is greater than the fourth temperature threshold, it can be inferred that the difference is due to the external ambient temperature being different from the body temperature of the subject, so that the subject does not clamp the thermometer.
  • the heating controller 9 generates a start heating command for controlling heating of the heating layer 4, and transmits the start heating command to the main controller 10.
  • the main controller 10 sums the temperature value measured by the body temperature temperature sensor 2 and a corrected temperature value as the final temperature value of the subject according to the received start heating command, wherein the corrected temperature value is A value corresponding to the temperature value measured by the body temperature temperature sensor 2 obtained after a plurality of experiments, the corrected temperature value being stored in advance in the main controller 10.
  • the heating controller 9 generates a stop heating command for controlling the stop of heating of the heating layer 4, and transmits the stop heating command to the main controller 10.
  • the main controller 10 uses the temperature value measured by the body temperature temperature sensor 2 as the final temperature value of the subject based on the received stop heating command, and does not need to be corrected.
  • the continuous temperature measuring thermometer of the invention adds a heat insulating layer and a heating layer to the current continuous temperature measuring thermometer, and the ambient environment of the body temperature measuring sensor is always maintained in a stable temperature distribution without being external.
  • the effect of ambient temperature reduces the influence of the external temperature on the thermometer on the one hand, and reduces the heat dissipation of the skin of the measured part on the other hand, so that the arm of the test subject can be in a freely movable state without constantly maintaining the clamped state, and the thermometer is
  • the temperature measurement results can also meet the medical accuracy requirements.
  • the first temperature threshold, the second temperature threshold, the third temperature threshold, the fourth temperature threshold, and the fifth temperature threshold only serve to distinguish, and do not have substantial meaning. While the invention has been described with respect to the embodiments of the present invention, it is understood that the scope of the invention is defined by the appended claims. A person skilled in the art can make various changes or modifications to the embodiments without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

本发明公开了一种连续测温的体温计，包括底壳、顶壳和体温测温传感器，所述体温测温传感器设置于所述底壳上方，所述底壳在与所述体温测温传感器相对的部位设有开孔，所述体温计还包括电源、加热控制器、第一隔热层和加热层；所述第一隔热层和所述加热层依次设置在所述体温测温传感器和所述顶壳之间，所述加热控制器用于控制所述加热层进行加热，所述电源用于为所述控制器和所述加热层供电。本发明中加设的加热层与隔热层，使得在测温时，体温测温传感器始终保持在稳定的温度分布中，而不受外部环境温度的影响，此外还减少了被测量部位对外的散热，使得被测者手臂可以自由活动而不必时刻保持夹紧状态，同时体温计测温结果也能满足医学精度要求。

Description

连续测温的体温计
本申请要求申请日为2017年11月2日的中国专利申请CN201711065382.6的优先权。本申请引用上述中国专利申请的全文。
技术领域
本发明涉及体温计领域，尤其涉及一种连续测温的体温计。
背景技术
目前市场上存在的连续测温的蓝牙智能体温计，大多采用胶贴将体温计贴于被测者的腋下，利用温度传感器采集腋下皮肤的温度。此种测温方式要求被测者手臂夹紧，使腋窝形成密闭腔体，这样测出来的温度才接近人体中心温度。但是在连续测温的条件下，无法要求被测者的手臂始终保持在夹紧状态，当手臂张开时，腋窝不再是密闭腔体，外部空气温度的变化会导致温度传感器采集的温度产生变化，进而与人体中心温度出现较大偏离。根据空气温度进行一定的补偿有可能会减小这种偏差，但是由于人体的个体差异比较大，这种补偿方法也无法保证在各种情况下都使体温计的测量误差在医疗要求精度内。
发明内容
本发明要解决的技术问题是为了克服现有技术中连续测温的体温计受外部空气温度的影响致使测量误差较大的缺陷，提供一种具有加热保温部件的连续测温的体温计。
本发明是通过下述技术方案来解决上述技术问题：
一种连续测温的体温计，包括底壳、顶壳和体温测温传感器，所述体温测温传感器设置于所述底壳上方，所述底壳在与所述体温测温传感器相对的 部位设有开孔，所述体温计还包括电源、加热控制器、第一隔热层和加热层；
所述第一隔热层和所述加热层依次设置在所述体温测温传感器和所述顶壳之间，所述加热控制器用于控制所述加热层进行加热，所述电源用于为所述控制器和所述加热层供电。
较佳地，在所述加热层上方或下方还设有加热层测温传感器，所述加热层测温传感器用于测量所述加热层的温度值，以更加精确地控制所述加热层的温度。
较佳地，所述加热控制器用于获取所述加热层的温度值，并根据所述加热层的温度值控制所述加热层的加热，自动控制所述加热层的加热。
较佳地，所述加热控制器用于判断所述加热层的温度值是否在第一温度阈值和第二温度阈值之间，若是，则生成开始加热指令，用于控制所述加热层开始加热，若否，则生成停止加热指令，用于控制所述加热层停止加热。
较佳地，所述第一温度阈值为31.5-32.5℃，所述第二温度阈值为34.5-35.5℃。
较佳地，所述加热控制器用于控制所述加热层加热至第三温度阈值，使得所述加热层的温度较为恒定，进而使得所述体温测温传感器处于较为稳定的温度分布中。
较佳地，所述第三温度阈值为34.5-35.5℃。
较佳地，所述加热控制器用于判断所述体温测温传感器测量的温度值与所述加热层的温度值之间的差值是否大于第四温度阈值，若是，则生成开始加热指令，用于控制所述加热层开始加热，若否，则生成停止加热指令，用于控制所述加热层停止加热。
较佳地，所述体温计还包括主控制器，所述加热控制器还用于在生成所述开始加热指令或者所述停止加热指令之后，将所述开始加热指令或者所述停止加热指令发送至所述主控制器，所述主控制器用于计算最终温度值：
若所述主控制器接收到所述开始加热指令，则所述最终温度值为所述体 温测温传感器测量的温度值与一修正温度值的总和；
若所述主控制器接收到所述停止加热指令，则所述最终温度值为所述体温测温传感器测量的温度值。
较佳地，所述体温测温传感器测量的温度值与所述修正温度值是一一对应的，因而所述最终温度值更加精确。
较佳地，所述加热层测温传感器设于与所述加热层的中心相对的位置，避免外部环境温度对所述加热层测温传感器的影响。
较佳地，所述体温测温传感器设于与所述加热层的中心相对的位置，避免外部环境温度对所述体温测温传感器的影响。
较佳地，所述加热层和所述顶壳之间设有第二隔热层，减缓所述加热层的散热，节约电能。
较佳地，所述第二隔热层的导热系数不大于所述第一隔热层的导热系数。
较佳地，所述第一隔热层和所述第二隔热层均采用泡沫材料。
较佳地，所述加热层和所述第二隔热层之间设有第三隔热层，进一步减缓所述加热层的散热，节约电能。
较佳地，所述第三隔热层采用纳米隔热材料。
较佳地，所述加热层的形状为圆形或者环形，面积较小的所述加热层有利于节约电能。
较佳地，所述加热层和所述加热层测温传感器之间设有导热片，使得所述加热层加热范围内温度分布均匀。
较佳地，所述导热片采用石墨烯材料。
较佳地，所述体温计包括无线通讯模块，所述无线通讯模块用于将所述最终温度值发送至外部设备。
较佳地，所述体温计包括用于为所述电源充电的充电模块。
较佳地，所述体温计包括用于测量与障碍物之间距离值的距离传感器， 所述主控制器用于获取所述距离值并判断所述距离值是否大于距离阈值，若是，则生成所述停止加热指令并发送至所述加热控制器。所述距离值用于判断体温计是否与人体接触，当所述距离值大于所述距离阈值时，可以推断所述体温计已经离开人体，生成所述停止加热指令有利于节约电能。
较佳地，所述体温计包括用于测量环境温度值的环境测温传感器，所述主控制器用于获取所述环境温度值并判断所述环境温度值与所述加热层的温度值之间的差值是否小于第五温度阈值，若是，则生成所述停止加热指令并发送至所述加热控制器。当所述环境温度值与所述加热层的温度值之间的差值小于所述第五温度阈值时，可以推断体温计已经离开人体，生成所述停止加热指令有利于节约电能。
本发明的积极进步效果在于：本发明在当前连续测温的体温计中加设隔热层和加热层，从而在体温测温传感器外部形成保温部件，在测温时使得体温测温传感器的周围环境始终保持在一个稳定的温度分布中，而不受外部空气温度的影响。本发明一方面减小了外界温度对体温计的影响，另一方面也减少了被测部位皮肤的散热，使得被测者手臂可以处于自由活动的状态而不必时刻保持夹紧的状态，同时体温计的测温结果也能满足医学精度要求。
附图说明
图1为本发明实施例1连续测温的体温计的结构示意图。
图2为本发明实施例1连续测温的体温计的功能模块图。
图3为本发明实施例1连续测温的体温计的最终温度值的算法流程图。
图4为本发明实施例2连续测温的体温计的最终温度值的算法流程图。
具体实施方式
下面通过实施例的方式进一步说明本发明，但并不因此将本发明限制在所述的实施例范围之中。
实施例1
如图1所示，连续测温的体温计依次包括底壳1、体温测温传感器2、第一隔热层3、加热层4、加热层测温传感器5、第二隔热层6和顶壳7。其中，体温测温传感器2设于底壳1的上方，并且底壳1上设有开孔8以露出体温测温传感器2进而与人体接触，加热层4设于体温测温传感器2和顶壳7之间，第一隔热层3设于体温测温传感器2与加热层4之间，加热层测温传感器5设于加热层4和顶壳7之间，并且体温测温传感器2和加热层测温传感器5均设于与加热层4的中心相对的位置，第二隔热层6设于加热层测温传感器5和顶壳7之间，第一隔热层3和第二隔热层6采用泡沫材料。
结合图1和图2，连续测温的体温计包括体温测温传感器2、加热层4、加热层测温传感器5、加热控制器9、主控制器10、显示模块11、无线通讯模块12、以及为以上模块供电的电源(图中未示出)。其中，体温测温传感器2用于测量被测者的温度值；加热层测温传感器5用于测量加热层4的温度值，加热控制器9获取加热层4的温度值并根据加热层4的温度值控制加热层4进行加热；主控制器10用于获取体温测温传感器2测量的温度值以及加热层4的温度值，并计算被测者的最终温度值；显示模块11用于显示被测者的最终温度值；无线通讯模块12用于将被测者的最终温度值发送至外部设备。
结合图3，具体说明本实施例连续测温的传感器进行测温的过程：
在对被测者进行连续测温时，首先将体温计置于被测者腋下，体温测温传感器2测量被测者的温度值的同时，加热层测温传感器5也在测量加热层4的温度值，加热控制器9则判断加热层4的温度值是否处于第一温度阈值和第二温度阈值之间，并根据判断结果计算被测者的最终温度值，其中，在本实施例1中，第一温度阈值为32℃，第二温度阈值为35℃。具体地：
若加热层4的温度值在32-35℃之间，则可以推断被测者未夹紧体温计，此时加热控制器9生成用于控制加热层4进行加热的开始加热指令，并将该 开始加热指令发送至主控制器10，加热层4被加热至35℃(第三温度阈值)，使得加热层4的温度值较为恒定，并因此使得体温测温传感器2处于较为稳定的温度分布中，减小外部环境温度对体温测温传感器2的影响。在此情形下，主控制器10根据接收到的开始加热指令，将体温测温传感器2测量的温度值与一修正温度值求和后作为被测者的最终温度值，其中，修正温度值是在多次实验后得到的、与体温测温传感器2测量的温度值一一对应的数值，该修正温度值预先存储在主控制器10中。
若加热层4的温度值低于32℃，则可以推断被测者未与体温计接触，此时加热控制器9生成用于控制停止对加热层4进行加热的停止加热指令，并将该停止加热指令发送至主控制器10。在此情形下，主控制器10根据接收到的停止加热指令，将体温测温传感器2测量的温度值作为最终温度值，无需进行修正。
若加热层4的温度高于35℃，则可以推断被测者已夹紧体温计，不会受到外部环境温度的影响，此时加热控制器9生成用于控制停止对加热层4进行加热的停止加热指令，并将该停止加热指令发送至主控制器10。在此情形下，主控制器10根据接收到的停止加热指令，将体温测温传感器2测量的温度值作为被测者的最终温度值，无需进行修正。
本实施例连续测温的体温计中，在保证体温测温传感器2周围的温度场基本不受外部环境温度影响的情况下，可以减小加热层4的面积，以节约电能，例如加热层4的形状可以是圆形或者环形。
本实施例连续测温的体温计中，第二隔热层6的导热系数优选地不大于第一隔热层3的导热系数，以更好地减缓加热层4的散热，节约电能。当然，加热层测温传感器5和第二隔热层6之间还可以包括第三隔热层(图中未示出)，从而进一步减缓加热层4的散热，其中第三隔热层可以采用纳米隔热材料。
本实施例连续测温的体温计，在加热层4和加热层测温传感器5之间还 可以包括导热片(图中未示出)，使得加热层4加热范围内温度分布均匀，加热层4与体温测温传感器2之间的温度场分布确定，其中导热片可以采用石墨烯材料。
本实施例连续测温的体温计，电源可以是可更换电池，也可以是充电电池。若采用充电电池，本实施例连续测温的体温计还可以包括充电模块(图中未示出)，用于以有线或者无线的方式为电池充电。
本实施例连续测温的体温计，还可以包括用于测量与被测者之间距离值的距离传感器(图中未示出)，主控制器10用于获取该距离值并判断该距离值是否大于距离阈值。若该距离值大于距离阈值，可以推断体温计已经离开人体，并将因此生成的停止加热指令发送至加热控制器9，用于停止对加热层4的加热，以节约电能。
本实施例连续测温的体温计，还可以包括用于测量环境温度值的环境测温传感器(图中未示出)，主控制器10用于获取该环境温度值，并判断该环境温度值与加热层4的温度值之间的差值是否小于第五温度阈值。若小于第五温度阈值，可以推断体温计已经离开人体或者已被夹紧，并将因此生成的停止加热指令发送至加热控制器9，用于停止对加热层4的加热，以节约电能。
采用本实施例连续测温的体温计测量高精度恒温水槽的温度后，得到如表1所示的实验数据，其中高精度恒温水槽是用来模拟人体手臂张开状态下的腋下体温：
表1
室内温度 27.3℃ 27.4℃
水槽温度(模拟人体体温) 36.4℃ 38.4℃
现有的连续测温的体温计测量的温度 35.6℃ 37.5℃
本实施例连续测温的体温计测量的温度 36.4℃ 38.2℃
此外，在现有的以及本实施例的连续测温的体温计表面放置5℃的物体 后再进行测量时，实验结果表明，现有的连续测温的体温计测量的读数下降超过3℃，而本实施例连续测温的体温计测量的读数下降不超过0.1℃。
于是，在连续测温过程中，无论被测者是否夹紧体温计，本实施例连续测温的测量的最终温度值都较为接近被测者的真实体温。
实施例2
实施例2连续测温的体温计的具体结构与实施例1相同，其区别在于最终温度值的具体算法。
结合图4，具体说明本实施例连续测温的传感器进行测温的过程：
在对被测者进行连续测温时，首先将体温计置于被测者腋下，体温测温传感器2测量被测者的温度值的同时，加热层测温传感器5也在测量加热层4的温度值，加热控制器9用于计算体温测温传感器2测量的温度值与加热层4的温度值的差值，并判断该差值是否大于第四温度阈值，再根据判断结果计算被测者的最终温度值。具体地：
若该差值大于第四温度阈值，则可以推断该差值是由于外部环境温度不同于体温被测者体温造成的，于是被测者未夹紧体温计。此时加热控制器9生成用于控制对加热层4进行加热的开始加热指令，并将该开始加热指令发送至主控制器10。在此情形下，主控制器10根据接收到的开始加热指令，将体温测温传感器2测量的温度值与一修正温度值求和后作为被测者的最终温度值，其中，修正温度值是在多次实验后得到的、与体温测温传感器2测量的温度值一一对应的数值，该修正温度值预先存储在主控制器10中。
若该差值不大于第四温度阈值，则可以推断体温测温传感器2与加热层测温传感器5处于相同的温度环境中，即被测者未与体温计接触，体温计处于外部环境中，或者被测者夹紧体温计，不受外部环境的影响。此时加热控制器9生成用于控制停止对加热层4进行加热的停止加热指令，并将该停止加热指令发送至主控制器10。在此情形下，主控制器10根据接收到的停止加热指令，将体温测温传感器2测量的温度值作为被测者的最终温度值，无 需进行修正。
本发明连续测温的体温计在当前连续测温的体温计中加设隔热层和加热层，在测温时使得体温测温传感器的周围环境始终保持在一个稳定的温度分布中，而不受外部环境温度的影响。本发明一方面减小了外部温度对体温计的影响，另一方面也减少了被测部位皮肤的散热，使得被测者手臂可以处于自由活动的状态而不必时刻保持夹紧的状态，同时体温计的测温结果也能满足医学精度要求。
应当理解，本发明具体实施方式中第一温度阈值、第二温度阈值、第三温度阈值、第四温度阈值以及第五温度阈值仅起到区分的作用，其并不具有实质含义。虽然以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这仅是举例说明，本发明的保护范围是由所附权利要求书限定的。本领域的技术人员在不背离本发明的原理和实质的前提下，可以对这些实施方式做出多种变更或修改，但这些变更和修改均落入本发明的保护范围。

Claims (14)

  1. 一种连续测温的体温计，包括底壳、顶壳和体温测温传感器，所述体温测温传感器设置于所述底壳上方，所述底壳在与所述体温测温传感器相对的部位设有开孔，其特征在于，所述体温计还包括电源、加热控制器、第一隔热层和加热层；
    所述第一隔热层和所述加热层依次设置在所述体温测温传感器和所述顶壳之间，所述加热控制器用于控制所述加热层进行加热，所述电源用于为所述控制器和所述加热层供电。
  2. 如权利要求1所述的体温计，其特征在于，在所述加热层上方或下方还设有加热层测温传感器，所述加热层测温传感器用于测量所述加热层的温度值。
  3. 如权利要求2所述的体温计，其特征在于，所述加热控制器用于获取所述加热层的温度值，并根据所述加热层的温度值控制所述加热层的加热。
  4. 如权利要求3所述的体温计，其特征在于，所述加热控制器用于判断所述加热层的温度值是否在第一温度阈值和第二温度阈值之间，若是，则生成开始加热指令，用于控制所述加热层开始加热，若否，则生成停止加热指令，用于控制所述加热层停止加热。
  5. 如权利要求4所述的体温计，其特征在于，所述第一温度阈值为31.5-32.5℃，所述第二温度阈值为34.5-35.5℃。
  6. 如权利要求4或5所述的体温计，其特征在于，所述加热控制器用于控制所述加热层加热至第三温度阈值。
  7. 如权利要求6所述的体温计，其特征在于，所述第三温度阈值为34.5-35.5℃。
  8. 如权利要求3所述的体温计，其特征在于，所述加热控制器用于判 断所述体温测温传感器测量的温度值与所述加热层的温度值之间的差值是否大于第四温度阈值，若是，则生成开始加热指令，用于控制所述加热层开始加热，若否，则生成停止加热指令，用于控制所述加热层停止加热。
  9. 如权利要求4-8中任一项所述的体温计，其特征在于，所述体温计还包括主控制器，所述加热控制器还用于在生成所述开始加热指令或者所述停止加热指令之后，将所述开始加热指令或者所述停止加热指令发送至所述主控制器，所述主控制器用于计算最终温度值：
    若所述主控制器接收到所述开始加热指令，则所述最终温度值为所述体温测温传感器测量的温度值与一修正温度值的总和；
    若所述主控制器接收到所述停止加热指令，则所述最终温度值为所述体温测温传感器测量的温度值。
  10. 如权利要求9所述的体温计，其特征在于，所述体温测温传感器测量的温度值与所述修正温度值是一一对应的；
    和/或，所述体温计包括无线通讯模块，所述无线通讯模块用于将所述最终温度值发送至外部设备；
    和/或，所述体温计包括用于测量与障碍物之间距离值的距离传感器，所述主控制器用于获取所述距离值并判断所述距离值是否大于距离阈值，若是，则生成所述停止加热指令并发送至所述加热控制器；
    和/或，所述体温计包括用于测量环境温度值的环境测温传感器，所述主控制器用于获取所述环境温度值并判断所述环境温度值与所述加热层的温度值之间的差值是否小于第五温度阈值，若是，则生成所述停止加热指令并发送至所述加热控制器。
  11. 如权利要求2-10中任一项所述的体温计，其特征在于，所述加热层测温传感器设于与所述加热层的中心相对的位置；
    和/或，所述体温测温传感器设于与所述加热层的中心相对的位置；
    和/或，所述加热层和所述加热层测温传感器之间设有导热片；优选地， 所述导热片采用石墨烯材料。
  12. 如权利要求1-11中任一项所述的体温计，其特征在于，所述加热层和所述顶壳之间设有第二隔热层。
  13. 如权利要求12所述的体温计，其特征在于，所述第二隔热层的导热系数不大于所述第一隔热层的导热系数；
    和/或，所述第一隔热层和所述第二隔热层均采用泡沫材料；
    和/或，所述加热层和所述第二隔热层之间设有第三隔热层；优选地，所述第三隔热层采用纳米隔热材料。
  14. 如权利要求1-13中任一项所述的体温计，其特征在于，所述加热层的形状为圆形或者环形；
    和/或，所述体温计包括用于为所述电源充电的充电模块。
PCT/CN2018/086867 2017-11-02 2018-05-15 连续测温的体温计 WO2019085436A1 (zh)

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