CN109632143B - A self-calibrating thermometer - Google Patents
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- CN109632143B CN109632143B CN201910058214.7A CN201910058214A CN109632143B CN 109632143 B CN109632143 B CN 109632143B CN 201910058214 A CN201910058214 A CN 201910058214A CN 109632143 B CN109632143 B CN 109632143B
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- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical compound CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 claims description 8
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- 229940107700 pyruvic acid Drugs 0.000 claims description 4
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- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 2
- 230000036760 body temperature Effects 0.000 description 10
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- 229910000043 hydrogen iodide Inorganic materials 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
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- 230000001754 anti-pyretic effect Effects 0.000 description 2
- 239000002221 antipyretic Substances 0.000 description 2
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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
- G01K13/20—Clinical contact thermometers for use with humans or animals
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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
- G01K13/20—Clinical contact thermometers for use with humans or animals
- G01K13/223—Infrared clinical thermometers, e.g. tympanic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
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Abstract
本发明提供了一种自校准体温计，其包括：体温计本体和端盖，所述体温计本体具有测温端，在所述端盖内具有用于容置该测温端的容置空间，所述端盖包括外壳、内壳和位于外壳、内壳之间的固定点材料。本发明中使用便捷的手捂法、水热法等加热方式将端盖内的固定点材料熔化，完成微型固定点的复现，实现温度的快速校准，提高了温度测量的准确性。
The present invention provides a self-calibrating thermometer, comprising: a thermometer body and an end cover, the thermometer body has a temperature measuring end, and an accommodating space for accommodating the temperature measuring end is provided in the end cover, the end The cover includes an outer shell, an inner shell, and a fixing point material between the outer shell and the inner shell. In the present invention, convenient heating methods such as hand covering method and hydrothermal method are used to melt the fixed point material in the end cap to complete the reproduction of the micro fixed point, realize rapid temperature calibration, and improve the accuracy of temperature measurement.
Description
技术领域technical field
本发明涉及一种体温计，特别是涉及一种能够进行自校准的体温计。The present invention relates to a thermometer, in particular to a thermometer capable of self-calibration.
背景技术Background technique
体温计作为医生对患者病情的诊断，特别是婴幼儿的发烧的治疗是否需要退烧药问题，当患者体温低于38.5℃以下，一般不需服用退烧药。世界卫生组织推荐，体温高于38.5℃才有必要使用退烧药。此时，对患者体温的准确测量就显得尤为重要。另外，在对日常体温的长期监测中，如对女性基础体温进行测量，需要保证不同日期条件下，每天的温度测量不会存在偏差，此时，就要求体温计的测温准确性提出了要求。The thermometer is used as a doctor's diagnosis for the patient's condition, especially the question of whether antipyretics are needed for the treatment of fever in infants and young children. The World Health Organization recommends the use of antipyretics only when the body temperature is higher than 38.5°C. At this time, the accurate measurement of the patient's body temperature is particularly important. In addition, in the long-term monitoring of daily body temperature, such as the measurement of female basal body temperature, it is necessary to ensure that there will be no deviation in the daily temperature measurement under different conditions. At this time, the accuracy of temperature measurement of the thermometer is required.
然而，在市场上常见的体温计如玻璃水银体温计，电子式体温计，耳温体温计，多功能红外体温计等，其中，玻璃水银体温计存在容易破损产生汞污染，且在使用时，由于患者年龄限制以及接触方式等诸多因素的影响，且最小刻度一般为0.1摄氏度，导致测量的准确性较低；而电子体温计、红外体温计等体温计由于通过电路来获得具体的体温计，虽然使用比较简单、方便，但是在实际使用中会产生温度偏移，测量得到的温度或高或低，影响测量的准确性。However, common thermometers on the market such as glass mercury thermometers, electronic thermometers, ear thermometers, multi-function infrared thermometers, etc., among them, glass mercury thermometers are prone to damage and mercury pollution, and when in use, due to patient age restrictions and contact Due to the influence of many factors such as the method, and the minimum scale is generally 0.1 degrees Celsius, the measurement accuracy is low; and electronic thermometers, infrared thermometers and other thermometers obtain specific thermometers through the circuit, although the use is relatively simple and convenient, but in practice Temperature drift will occur during use, and the measured temperature will be higher or lower, affecting the accuracy of the measurement.
因此，对于采用电路结构的体温计来说，在使用时，如何进行快速方便的校准，以保证测量的准确定是目前一个亟待解决的问题。Therefore, for a thermometer using a circuit structure, how to perform a quick and convenient calibration to ensure accurate measurement is an urgent problem to be solved at present.
发明内容SUMMARY OF THE INVENTION
本发明的目的是提供一种带有校准装置的体温计，在使用时能够快速方便的进行校准，保证测量的准确性。The purpose of the present invention is to provide a thermometer with a calibration device, which can be quickly and conveniently calibrated during use, and ensures the accuracy of measurement.
本发明提供了一种自校准体温计，其包括：体温计本体和端盖，所述体温计本体具有测温端，在所述端盖内具有用于容置该测温端的容置空间，所述端盖包括外壳、内壳和位于外壳、内壳之间的固定点材料。The present invention provides a self-calibrating thermometer, comprising: a thermometer body and an end cover, the thermometer body has a temperature measuring end, and the end cover has a accommodating space for accommodating the temperature measuring end, the end The cover includes an outer shell, an inner shell, and a fixing point material between the outer shell and the inner shell.
其中，所述内壳形成有一校准空间，所述校准空间具有一开口，所述测温端在所述开口位置处进行校准。Wherein, the inner shell forms a calibration space, the calibration space has an opening, and the temperature measuring end is calibrated at the opening position.
其中，所述内壳形成有一校准空间，所述测温端在所述校准空间内进行校准。Wherein, the inner shell forms a calibration space, and the temperature measuring end is calibrated in the calibration space.
其中，外壳为石墨坩埚保护外壳。Wherein, the shell is a graphite crucible protective shell.
其中，所述固定点材料为金属或非金属材料。Wherein, the fixed point material is metal or non-metal material.
其中，所述固定点材料选自Rb，丙酮酸，正碘烷，无机水合盐或石蜡物质中的任意一种。Wherein, the fixed point material is selected from any one of Rb, pyruvic acid, n-iodane, inorganic hydrated salt or paraffin.
其中，所述校准空间为黑体腔。Wherein, the calibration space is a black body cavity.
其中，所述体温计本体的外壳上包括有显示屏、测温按钮和校准按钮。Wherein, the shell of the thermometer body includes a display screen, a temperature measurement button and a calibration button.
其中，所述体温计本体内具有温度显示模块、校准电路和测温电路。Wherein, the thermometer body has a temperature display module, a calibration circuit and a temperature measurement circuit.
其中，在端盖上设置有加热组件。Wherein, a heating assembly is arranged on the end cover.
本发明的自校准体温计是在原来体温计的基础上，添加一个微型固定点，体温计测量此固定点的温度值的结果与固定点的温度值做对比，即可完成体温计的校准，实现温度的精确测量。The self-calibration thermometer of the present invention adds a miniature fixed point on the basis of the original thermometer, and the thermometer measures the temperature value of the fixed point and compares the temperature value of the fixed point to complete the calibration of the thermometer and realize the accuracy of the temperature. Measurement.
附图说明Description of drawings
图1本发明的实施例一的自校准体温计的结构示意图；1 is a schematic structural diagram of a self-calibrating thermometer according to Embodiment 1 of the present invention;
图2本发明的实施例二的自校准体温计的结构示意图。FIG. 2 is a schematic structural diagram of the self-calibration thermometer according to the second embodiment of the present invention.
具体实施方式Detailed ways
为了便于理解本发明，下面结合附图对本发明的实施例进行说明，本领域技术人员应当理解，下述的说明只是为了便于对发明进行解释，而不作为对其范围的具体限定。In order to facilitate the understanding of the present invention, the embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that the following descriptions are only for the convenience of explaining the present invention, rather than as a specific limitation of its scope.
对于常用的电子体温计来说，为保证测温的准确性，为避免对测温端的破坏，保证非使用状态下的安全，在体温计的端部设置有与测温端相配合的端盖，所述端盖用于对测温端进行保护。For the commonly used electronic thermometers, in order to ensure the accuracy of temperature measurement, to avoid damage to the temperature measurement end, and to ensure the safety in non-use state, the end of the thermometer is provided with an end cap that matches the temperature measurement end. The end cap is used to protect the temperature measuring end.
实施例一：Example 1:
如图1所示为本发明该实施例一中的自校准体温计1，优选该自校准体温计1为非接触式测温，例如可以为耳温体温计结构或红外体温计结构，所述自校准体温计1包括体温计本体2和端盖3，所述自校准体温计1包括有测温端4，该测温端为非接触式测温方式，优选为辐射测温方式，在所述端盖3内具有用于容置该测温端的容置空间5，在非测温状态下，所述自校准体温计1的测温端位于所述容置空间5内。在所述体温计本体内具有温度显示模块、校准电路和测温电路，对应的在体温计本体1的外壳上对应形成有显示屏、测温按钮和校准按钮。1 is a self-calibration thermometer 1 in the first embodiment of the present invention. Preferably, the self-calibration thermometer 1 is a non-contact temperature measurement, such as an ear thermometer structure or an infrared thermometer structure. The self-calibration thermometer 1 Including a
所述端盖3包括外壳6，所述外壳6优选为石墨坩埚保护外壳，所述外壳6具有内部空间，在所述内部空间中设置有金属或非金属的固定点材料10，优选所述固定点材料10的复现点温度在30-45摄氏度之间，优选所述金属或非金属材料可以为：Rb(三相点39.26℃)，丙酮酸(三相点36.3℃)，正碘烷(三相点36.48℃)，无机水合盐(熔化点35℃～40℃)，石蜡物质(36℃～40℃)。上述材料任意选择一种作为固定点材料，其复现温度与体温相接近，所述固定点材料10环绕内壳7，所述固定点材料10填充在外壳和内壳7之间，所述内壳7形成有一校准空间9，所述校准空间9可为黑体腔，所述校准空间9具有一开口，所述自校准体温计1的测温端4为在所述开口位置进行校准、或在距离开口位置的预定范围内，或者可通过所述开口进行入到所述内壳7的校准空间中，在所述开口的周围设置有隔热层8，所述隔热层8优选为玻璃纤维，石棉和硅酸盐等。所述隔热层8可以隔绝外热辐射对体温计标定带来的影响。所述隔热层8、内壳7和外壳6之间形成一密封空间，在所述密封空间内设置有固定点材料10。The end cover 3 includes a
所述端盖3内的固定点材料10具有一特定的热力学温度值，在使用过程中，采用以下步骤：The
在实际进行测温之前，准备对体温计进行校准时，将体温计的测温端4插入到校准空间的开口位置处或距离开口位置的预定范围内，并按体温计本体2上的校准按钮，开启校准模块；Before the actual temperature measurement, when preparing to calibrate the thermometer, insert the
之后对端盖3进行加热，使端盖3中的固定点材料发生相变，体温计的校准模块驱动测温电路进行实时采集测温端4的温度数据。Then, the end cap 3 is heated to cause a phase change of the fixed point material in the end cap 3, and the calibration module of the thermometer drives the temperature measurement circuit to collect the temperature data of the
由于采用的固定点材料的温坪值均为与人体温度相近的范围内，在加热过程中，固定点材料受热熔化，校准模块采集温度变化曲线，体温计的测温电路记录固定点熔化过程，获取熔化曲线。Since the temperature plateau value of the fixed point material used is in the range similar to the human body temperature, during the heating process, the fixed point material is heated and melted, the calibration module collects the temperature change curve, and the temperature measurement circuit of the thermometer records the fixed point melting process. melting curve.
体温计内部的校准模块通过计算熔化曲线斜率获取变化最小的斜率段为相变温坪，固定点相变温度温度值在出厂前标定已知，此时获得体温计显示值和温坪值差，通过校准模块修正实现校准。The calibration module inside the thermometer obtains the phase change temperature plateau by calculating the slope of the melting curve to obtain the slope segment with the smallest change. The phase change temperature value of the fixed point is calibrated and known before leaving the factory. At this time, the difference between the thermometer display value and the temperature plateau value is obtained. Module correction to achieve calibration.
校准后的体温计可用于体温的测量，按压测温按钮，就可实现对人体温度的准确测量。The calibrated thermometer can be used for body temperature measurement, and the accurate measurement of human body temperature can be achieved by pressing the temperature measurement button.
对于端盖3的加热可采用便捷的手捂法，即通过手捂住端盖，通过人体的温度传到端盖的固定点材料中，实现材料的相变，进而进行温度的校准；也可以采用热水加热的方法，在容器内加入一定温度的水，水的温度传到到端盖的固定点材料中，实现材料的相变，进而进行温度的校准；作为更近一步的选择，可以在端盖上设置加热膜，可依靠外接的电源或自带的电池进行加热，将温度传到端盖的固定点材料中，实现材料的相变，作为端盖的加热方法还可以采用热化学加热的方式实现短时间的加热。进一步优选，在端盖上设置有加热组件。For the heating of the end cap 3, a convenient hand covering method can be used, that is, the end cap is covered by the hand, and the temperature of the human body is transmitted to the fixed point material of the end cap to realize the phase change of the material, and then the temperature is calibrated; Using the method of hot water heating, add water of a certain temperature into the container, and the temperature of the water is transferred to the fixed point material of the end cap to realize the phase change of the material, and then calibrate the temperature; as a further option, you can A heating film is arranged on the end cover, which can be heated by an external power supply or its own battery, and the temperature is transferred to the fixed point material of the end cover to realize the phase change of the material. As the heating method of the end cover, thermochemical can also be used. The heating method achieves short-term heating. Further preferably, a heating assembly is provided on the end cover.
实施例二：Embodiment 2:
如图2所示为本发明的实施例二的自校准体温计，优选该自校准体温计1为接触式测温，所述自校准体温计包括体温计本体和端盖，所述自校准体温计包括有测温端4，该测温端为接触式测温方式，在所述端盖3内具有用于容置该测温端的容置空间，在非测温状态下，所述自校准体温计的测温端位于所述容置空间内。在所述体温计本体内具有温度显示模块、校准电路和测温电路，对应的在体温计本体的外壳上对应形成有显示屏、测温按钮和校准按钮。As shown in FIG. 2, the self-calibration thermometer according to the second embodiment of the present invention is shown. Preferably, the self-calibration thermometer 1 is a contact temperature measurement. The self-calibration thermometer includes a thermometer body and an end cover. The self-calibration thermometer includes a temperature measurement device.
所述端盖3包括外壳，所述外壳优选为石墨坩埚保护外壳，所述外壳具有内部空间，在所述内部空间中设置有金属或非金属的固定点材料10，优选所述固定点材料10的复现点温度在30-45摄氏度之间，优选所述金属或非金属材料可以为：Rb(三相点39.26℃)，丙酮酸(三相点36.3℃)，正碘烷(三相点36.48℃)，无机水合盐(熔化点35℃～40℃)，石蜡物质(36℃～40℃)。上述材料任意选择一种作为固定点材料，其复现温度与体温相接近，所述固定点材料10环绕内壳，所述固定点材料10填充在外壳和内壳之间，所述内壳7形成有一校准空间，所述校准空间可为测温端的容置空间，所述自校准体温计1的测温端4可插入到所述内壳的校准空间中，所述测温端4与内壳接触，实现对固定点材料温度的测量，所述端盖3内的固定点材料10具有一特定的热力学温度值，在使用过程中，采用以下步骤：The end cover 3 includes a casing, the casing is preferably a graphite crucible protective casing, the casing has an inner space, and a metal or non-metal
在实际进行测温之前，准备对体温计进行校准时，将体温计的测温端4插入到校准空间内，所述测温端4与内壳接触，并按体温计本体2上的校准按钮，开启校准模块；Before the actual temperature measurement, when preparing to calibrate the thermometer, insert the
之后对端盖3进行加热，使端盖3中的固定点材料发生相变，体温计的校准模块驱动测温电路进行实时采集测温端4的温度数据。Then, the end cap 3 is heated to cause a phase change of the fixed point material in the end cap 3, and the calibration module of the thermometer drives the temperature measurement circuit to collect the temperature data of the
由于采用的固定点材料的温坪值均为与人体温度相近的范围内，在加热过程中，固定点材料受热熔化，校准模块采集温度变化曲线，体温计的测温电路记录固定点熔化过程，获取熔化曲线。Since the temperature plateau value of the fixed point material used is in the range similar to the human body temperature, during the heating process, the fixed point material is heated and melted, the calibration module collects the temperature change curve, and the temperature measurement circuit of the thermometer records the fixed point melting process. melting curve.
体温计内部的校准模块通过计算熔化曲线斜率获取变化最小的斜率段为相变温坪，固定点相变温度温度值在出厂前标定已知，此时获得体温计显示值和温坪值差，通过校准模块修正实现校准。The calibration module inside the thermometer obtains the phase change temperature plateau by calculating the slope of the melting curve to obtain the slope segment with the smallest change. The phase change temperature value of the fixed point is calibrated and known before leaving the factory. At this time, the difference between the thermometer display value and the temperature plateau value is obtained. Module correction to achieve calibration.
校准后的体温计可用于体温的测量，按压测温按钮，就可实现对人体温度的准确测量。The calibrated thermometer can be used for body temperature measurement, and the accurate measurement of human body temperature can be achieved by pressing the temperature measurement button.
对于端盖3的加热可采用便捷的手捂法，即通过手捂住端盖，通过人体的温度传到端盖的固定点材料中，实现材料的相变，进而进行温度的校准；也可以采用热水加热的方法，在容器内加入一定温度的水，水的温度传到到端盖的固定点材料中，实现材料的相变，进而进行温度的校准；作为更近一步的选择，可以在端盖上设置加热膜，可依靠外接的电源或自带的电池进行加热，将温度传到端盖的固定点材料中，实现材料的相变，作为端盖的加热方法还可以采用热化学加热的方式实现短时间的加热。进一步优选，在端盖上设置有加热组件。For the heating of the end cap 3, a convenient hand covering method can be used, that is, the end cap is covered by the hand, and the temperature of the human body is transmitted to the fixed point material of the end cap to realize the phase change of the material, and then the temperature is calibrated; Using the method of hot water heating, add water of a certain temperature into the container, and the temperature of the water is transferred to the fixed point material of the end cap to realize the phase change of the material, and then calibrate the temperature; as a further option, you can A heating film is arranged on the end cover, which can be heated by an external power supply or its own battery, and the temperature is transferred to the fixed point material of the end cover to realize the phase change of the material. As the heating method of the end cover, thermochemical can also be used. The heating method achieves short-term heating. Further preferably, a heating assembly is provided on the end cover.
因此，本发明的体温计如接触式或非接触式均可通过测量得到的固定点的温度值的结果与校准模块中存储的固定点的温度值做对比，即可完成体温计的校准。从而，可使用体温计进行高精度的温度测量。Therefore, the thermometer of the present invention, such as contact type or non-contact type, can complete the calibration of the thermometer by comparing the temperature value of the fixed point obtained by measurement with the temperature value of the fixed point stored in the calibration module. Thus, high-precision temperature measurement can be performed using the thermometer.
本发明的固定点使用便捷的手捂法、水热法等加热方式将固定点内的金属或非金属物质熔化，完成微型固定点的复现，相对于传统的固定点校准方式结构简单、实用，且具有快速便捷、体积小的诸多优点。The fixed point of the present invention melts the metal or non-metallic substance in the fixed point by using convenient heating methods such as hand covering method and hydrothermal method to complete the reproduction of the miniature fixed point. Compared with the traditional fixed point calibration method, the structure is simple and practical. , and has many advantages of fast, convenient and small size.
可以理解的是，虽然本发明已以较佳实施例披露如上，然而上述实施例并非用以限定本发明。对于任何熟悉本领域的技术人员而言，在不脱离本发明技术方案范围情况下，都可利用上述揭示的技术内容对本发明技术方案作出许多可能的变动和修饰，或修改为等同变化的等效实施例。因此，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所做的任何简单修改、等同变化及修饰，均仍属于本发明技术方案保护的范围内。It should be understood that, although the present invention has been disclosed above with preferred embodiments, the above embodiments are not intended to limit the present invention. For any person skilled in the art, without departing from the scope of the technical solution of the present invention, many possible changes and modifications can be made to the technical solution of the present invention by using the technical content disclosed above, or modified into equivalents of equivalent changes Example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solutions of the present invention still fall within the protection scope of the technical solutions of the present invention.
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