A kind of self calibration clinical thermometerTechnical field
The present invention relates to a kind of clinical thermometers, are able to carry out self-alignment clinical thermometer more particularly to one kind.
Background technique
Whether diagnosis of the clinical thermometer as doctor to conditions of patients, the especially treatment of the fever of infant need antipyreticProblem, when patient temperature is lower than 38.5 DEG C hereinafter, generally being not required to take antipyretic.World health organisation recommendations, body temperature are higher thanIt is necessary to use antipyretic for 38.5 DEG C of.At this point, the accurate measurement to patient temperature is just particularly important.In addition, to dayIn the long term monitoring of Chang Tiwen, such as women basal body temperature is measured, is needed to guarantee under different date terms, daily temperatureThere is no deviations for measurement, at this time, it is desirable to which the thermometric accuracy of clinical thermometer proposes requirement.
However, the clinical thermometer being common in the market such as glass mercury clinical thermometer, electronic thermometer, ear temperature clinical thermometer are moreFunction infrared thermometer etc., wherein glass mercury clinical thermometer, which exists, is easy damaged generation mercury pollution, and when in use, due to suffering fromThe influence of the factors such as person's age limit and the way of contact, and minimum scale is generally 0.1 degree Celsius, leads to the standard of measurementTrue property is lower；And the clinical thermometers such as electronic thermometer, infrared thermometer are due to obtaining specific clinical thermometer by circuit, although makingWith fairly simple, conveniently, but temperature drift can be generated in actual use, the temperature measured is high or low, influences to surveyThe accuracy of amount.
Therefore, for the clinical thermometer using circuit structure, when in use, how quickly and easily to be calibrated, withGuarantee measurement is accurately the previous urgent problem to be solved of mesh surely.
Summary of the invention
The object of the present invention is to provide a kind of clinical thermometers with calibrating installation, can quickly and easily carry out when in useCalibration guarantees the accuracy of measurement.
The present invention provides a kind of self calibration clinical thermometers comprising: clinical thermometer ontology and end cap, the clinical thermometer ontology toolThere is thermometric end, there is the accommodating space for accommodating the thermometric end in the end cap, the end cap includes shell, inner casing and positionFixed point material between shell, inner casing.
Wherein, the inner casing is formed with an aligned spaces, and the aligned spaces have an opening, and the thermometric end is describedIt is calibrated at aperture position.
Wherein, the inner casing is formed with an aligned spaces, and the thermometric end is calibrated in the aligned spaces.
Wherein, shell is that graphite crucible protects shell.
Wherein, the fixed point material is metal or nonmetallic materials.
Wherein, the fixed point material is selected from Rb, pyruvic acid, and positive iodine alkane is any in inorganic hydrated salt or paraffin substanceIt is a kind of.
Wherein, the aligned spaces are blackbody chamber.
It wherein, include display screen, thermometric button and calibration knob on the shell of the clinical thermometer ontology.
Wherein, there is temperature display module, calibration circuit and temperature measurement circuit in the clinical thermometer ontology.
Wherein, heating component is provided on end cap.
Self calibration clinical thermometer of the invention is to add a miniature fixed point, clinical thermometer on the basis of original clinical thermometerThe temperature value of the result and fixed point that measure the temperature value of this fixed point compares, and the calibration of clinical thermometer can be completed, and realizes temperatureThe precise measurement of degree.
Detailed description of the invention
The structural schematic diagram of the self calibration clinical thermometer of Fig. 1 the embodiment of the present invention one；
The structural schematic diagram of the self calibration clinical thermometer of Fig. 2 the embodiment of the present invention two.
Specific embodiment
To facilitate the understanding of the present invention, the embodiment of the present invention is illustrated with reference to the accompanying drawing, those skilled in the artMember should be appreciated that following explanations only to facilitate explaining to invention, and not as the specific restriction to its range.
For common electronic thermometer, guarantee for the accuracy for guaranteeing thermometric to avoid the destruction to thermometric endSafety under non-working condition, the end cap matched with thermometric end is provided in the end of clinical thermometer, and the end cap is used for surveyIt is protected at warm end.
Embodiment one:
It is as shown in Figure 1 the self calibration clinical thermometer 1 in this embodiment of the invention one, the preferably self calibration clinical thermometer 1 is non-Contact temperature-measuring, such as can be ear temperature thermometer structure or infrared thermometer structure, the self calibration clinical thermometer 1 includes body temperatureOntology 2 and end cap 3 are counted, the self calibration clinical thermometer 1 includes thermometric end 4, which is contactless temperature-measuring mode, preferablyFor radiation temperature measurement mode, there is the accommodating space 5 for accommodating the thermometric end, under non-thermometric state, institute in the end cap 3The thermometric end for stating self calibration clinical thermometer 1 is located in the accommodating space 5.There is temperature display mould in the clinical thermometer ontologyBlock, calibration circuit and temperature measurement circuit, it is corresponding be correspondingly formed on the shell of clinical thermometer ontology 1 display screen, thermometric button andCalibration knob.
The end cap 3 includes shell 6, and the shell 6 is preferably that graphite crucible protects shell, and the shell 6 has insideSpace is provided with metal or nonmetallic fixed point material 10 in the inner space, the preferably described fixed point material 10For reproduction point temperature between 30-45 degrees Celsius, the preferably described metal or nonmetallic materials can be with are as follows: Rb (39.26 DEG C of three phase point),Pyruvic acid (36.3 DEG C of three phase point), positive iodine alkane (36.48 DEG C of three phase point), inorganic hydrated salt (35 DEG C~40 DEG C of melting point), paraffinSubstance (36 DEG C~40 DEG C).Above-mentioned material arbitrarily selects a kind of as fixed point material, reappears temperature and is close with body temperature, instituteFixed point material 10 is stated around inner casing 7, the fixed point material 10 is filled between shell and inner casing 7, and the inner casing 7 is formed withOne aligned spaces 9, the aligned spaces 9 can be blackbody chamber, and the aligned spaces 9 have an opening, the self calibration clinical thermometer 1Thermometric end 4 be to be calibrated in the aperture position or in the preset range apart from aperture position, or can be by describedOpening is entered into the aligned spaces of the inner casing 7, thermal insulation layer 8 is provided with around the opening, the thermal insulation layer 8 is excellentIt is selected as glass fibre, asbestos and silicate etc..The thermal insulation layer 8 can completely cut off outer heat radiation and demarcate bring shadow to clinical thermometerIt rings.A sealing space is formed between the thermal insulation layer 8, inner casing 7 and shell 6, fixed point material is provided in the sealing spaceMaterial 10.
Fixed point material 10 in the end cap 3 has a specific thermodynamic temperature value, in use, use withLower step:
Before actually carrying out thermometric, when clinical thermometer is calibrated in preparation, the thermometric end 4 of clinical thermometer is inserted into calibrationIn preset range at the aperture position in space or apart from aperture position, and by the calibration knob on clinical thermometer ontology 2, school is openedQuasi-mode block；
End cap 3 is heated later, undergoes phase transition the fixed point material in end cap 3, the calibration module of clinical thermometer drivesDynamic temperature measurement circuit carries out the temperature data of acquisition thermometric end 4 in real time.
Since the warm plateau value of the fixed point material of use is in the range close with human body temperature, during heating,The temperature measurement circuit record fixed point of fixed point material melted by heat, calibration module temperature collection change curve, clinical thermometer meltedJourney obtains fusion curve.
Calibration module inside clinical thermometer changes the smallest slope Duan Weixiang alternating temperature by calculating fusion curve slope and obtainingLevel ground, fixed point phase transition temperature temperature value are demarcated before factory it is known that obtain clinical thermometer show value at this time and warm plateau value is poor, and school is passed throughCalibration is realized in the amendment of quasi-mode block.
Clinical thermometer after calibration can be used for the measurement of body temperature, press thermometric button, so that it may realize to the accurate of human body temperatureMeasurement.
Convenient and fast hand can be used for the heating of end cap 3 and seal method, i.e., end cap is covered by hand, passed to by the temperature of human bodyIn the fixed point material of end cap, the phase transformation of material is realized, and then carry out the calibration of temperature；The side of hot water heating can also be usedThe water of certain temperature is added in method in container, and the temperature of water passes in the fixed point material of end cap, realizes the phase transformation of material,And then carry out the calibration of temperature；As selection more further, heating film can be set on end cap, external power supply can be relied onOr included battery is heated, and temperature is passed in the fixed point material of end cap, realizes the phase transformation of material, as adding for end capHot method can also realize the heating of short time by the way of heat chemistry heating.Further preferably, it is provided with and adds on end capHot component.
Embodiment two:
It is illustrated in figure 2 the self calibration clinical thermometer of the embodiment of the present invention two, preferably the self calibration clinical thermometer 1 is contactThermometric, the self calibration clinical thermometer include clinical thermometer ontology and end cap, and the self calibration clinical thermometer includes thermometric end 4, the surveyWen Duanwei contact temperature-measuring mode has the accommodating space for accommodating the thermometric end, in non-thermometric state in the end cap 3Under, the thermometric end position of the self calibration clinical thermometer is in the accommodating space.There is temperature display in the clinical thermometer ontologyModule, calibration circuit and temperature measurement circuit, it is corresponding be correspondingly formed on the shell of clinical thermometer ontology display screen, thermometric button andCalibration knob.
The end cap 3 includes shell, and the shell is preferably graphite crucible protection shell, and the shell has internal emptyBetween, it is provided with metal or nonmetallic fixed point material 10 in the inner space, the preferably fixed point material 10 is answeredNow point temperature is between 30-45 degrees Celsius, and the preferably described metal or nonmetallic materials can be with are as follows: Rb (39.26 DEG C of three phase point), thirdKetone acid (36.3 DEG C of three phase point), positive iodine alkane (36.48 DEG C of three phase point), inorganic hydrated salt (35 DEG C~40 DEG C of melting point), paraffin objectMatter (36 DEG C~40 DEG C).Above-mentioned material arbitrarily selects a kind of as fixed point material, reappears temperature and is close with body temperature, describedFixed point material 10 is filled between shell and inner casing around inner casing, the fixed point material 10, and the inner casing 7 is formed with a schoolQuasi- space, the aligned spaces can be the accommodating space of thermometric end, and the thermometric end 4 of the self calibration clinical thermometer 1 can be plugged into instituteIt states in the aligned spaces of inner casing, the thermometric end 4 is contacted with inner casing, realizes the measurement to fixed point material temperature, the end cap 3Interior fixed point material 10 has a specific thermodynamic temperature value, in use, using following steps:
Before actually carrying out thermometric, when clinical thermometer is calibrated in preparation, the thermometric end 4 of clinical thermometer is inserted into calibrationIn space, the thermometric end 4 is contacted with inner casing, and by the calibration knob on clinical thermometer ontology 2, opens calibration module；
End cap 3 is heated later, undergoes phase transition the fixed point material in end cap 3, the calibration module of clinical thermometer drivesDynamic temperature measurement circuit carries out the temperature data of acquisition thermometric end 4 in real time.
Since the warm plateau value of the fixed point material of use is in the range close with human body temperature, during heating,The temperature measurement circuit record fixed point of fixed point material melted by heat, calibration module temperature collection change curve, clinical thermometer meltedJourney obtains fusion curve.
Calibration module inside clinical thermometer changes the smallest slope Duan Weixiang alternating temperature by calculating fusion curve slope and obtainingLevel ground, fixed point phase transition temperature temperature value are demarcated before factory it is known that obtain clinical thermometer show value at this time and warm plateau value is poor, and school is passed throughCalibration is realized in the amendment of quasi-mode block.
Clinical thermometer after calibration can be used for the measurement of body temperature, press thermometric button, so that it may realize to the accurate of human body temperatureMeasurement.
Convenient and fast hand can be used for the heating of end cap 3 and seal method, i.e., end cap is covered by hand, passed to by the temperature of human bodyIn the fixed point material of end cap, the phase transformation of material is realized, and then carry out the calibration of temperature；The side of hot water heating can also be usedThe water of certain temperature is added in method in container, and the temperature of water passes in the fixed point material of end cap, realizes the phase transformation of material,And then carry out the calibration of temperature；As selection more further, heating film can be set on end cap, external power supply can be relied onOr included battery is heated, and temperature is passed in the fixed point material of end cap, realizes the phase transformation of material, as adding for end capHot method can also realize the heating of short time by the way of heat chemistry heating.Further preferably, it is provided with and adds on end capHot component.
Therefore, the temperature value of clinical thermometer of the invention such as contact or the contactless fixed point that can be obtained by measurementResult and calibration module in the temperature value of fixed point that stores compare, the calibration of clinical thermometer can be completed.To can be usedClinical thermometer carries out high-precision temperature measurement.
Fixed point of the invention hand easy to use seals the heating methods such as method, hydro-thermal method for the metal or non-gold in fixed pointBelong to material melts, completes the reproduction of miniature fixed point, it is simple, practical relative to traditional fixed point calibrating mode structure, and haveThere is rapid and convenient, small in size.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not toLimit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised asWith the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the inventionAny simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protectionIt is interior.