CN105907377A - Disposable annular thermometer - Google Patents
Disposable annular thermometer Download PDFInfo
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- CN105907377A CN105907377A CN201610160613.0A CN201610160613A CN105907377A CN 105907377 A CN105907377 A CN 105907377A CN 201610160613 A CN201610160613 A CN 201610160613A CN 105907377 A CN105907377 A CN 105907377A
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- temperature
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
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- 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
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a disposable annular thermometer. The disposable annular thermometer is mainly used for measuring a body temperature. The disposable annular thermometer is prepared from organic matters and can be burned after use. Phase-change material powder is arranged in a plastic annular container and a body temperature is characterized through phase change of different phase-change materials at different temperatures. The phase-change materials comprise aliphatic hydrocarbons, fatty alcohols, aliphatic acids and aliphatic esters. The aliphatic hydrocarbons comprise n-nonadecane to n-tetracosane. The fatty alcohols comprise n-tridecanol to n-hexadecanol. The aliphatic acids comprise n-decadecanoic acid to n-octadecanoic acid. The aliphatic esters comprise methyl stearate, ethyl stearate, methyl nonadecanoate, ethyl nonadecanoate, methyl arachidate and ethyl eicosadioate. The phase-change material with different phase-change temperatures is a mixture of two or three different phase-change materials. The disposable annular thermometer is cheap, does not need disinfection and can be treated easily.
Description
Technical field
The present invention relates to a kind of disposable annulus temperature meter.
Background technology
Medical body temperature in respect of three kinds, glass mercury column type clinical thermometer, electronic thermometer and Er Wen clinical thermometer.Three kinds of thermometeies
All costs are high, all can not single use.Reusable clinical thermometer needs sterilization, once disinfection every time after using
Not in place, then may cause cross infection.
Find through retrieval, the most effective disposable thermometer utility model patent (application number: N200610029740)
Utilize is that the principle that liquid expands with heat and contract with cold makes, and has still selected glass, at the place of medical waste on material selects
It is also required to classification in reason process.
Summary of the invention
In order to meet disposable annulus temperature meter cheap, without sterilization and easy to handle purpose, the present invention proposes one
Plant disposable annulus temperature meter.The phase transition temperature difference of the different phase-change material of this thermometer measures temperature.When measuring body temperature
Time, thermometer and human contact, then phase transition temperature is all melted less than the phase-change material of body temperature, and recrystallizing after cooling becomes rule
Maximum temperature corresponding to whole crystal, solid-liquid interface, crystallization and the separating surface of powder or the phase-change material undergone phase transition is
Body temperature.
For achieving the above object, the present invention can be solved by the following technical programs:
The disposable annulus temperature meter of the present invention, is positioned over phase-change material powder in the toroidal container that plastics are made, logical
Cross and there is the phase-change material of different phase transition temperature undergo phase transition generation separating surface and recrystallize and make phase-change material outward appearance become
Changing and characterize body temperature, described phase-change material includes aliphatic hydrocarbon, fatty alcohol, fatty acid, fatty acid ester；
Described aliphatic hydrocarbon includes AI3-36122～n-tetracosane；Described fatty alcohol includes positive tridecanol～cetyl alcohol；
Described fatty acid includes positive ten carbonic acid～positive 18 carbonic acid；Described fatty acid ester include methyl stearate, ethyl stearte, 19
Acid methyl ester, nonadecanoic acid ethyl ester, 20 acid methyl ester, 20 acetoacetic esters；
The phase-change material with different phase transition temperature refers to the mixture of two or three different phase-change materials.
As currently preferred technical scheme:
Disposable annulus temperature meter of the present invention, described phase-change material is the mixing of AI3-28404 and n-docosane
Thing, its temperature with the corresponding relation of molar ratio is:
Disposable annulus temperature meter of the present invention, described phase-change material is tetradecanol and pentadecanol, its mole
Ratio with the corresponding relation of temperature is:
Disposable annulus temperature meter of the present invention, described phase-change material is pentadecanol and ten acid, its molar ratio
With the corresponding relation of temperature it is:
Disposable annulus temperature meter of the present invention, described phase-change material be lauric acid/dodecanoic acid and ten acid, its molar ratio and
The corresponding relation of temperature is:
Disposable annulus temperature meter of the present invention, described phase-change material is stearic acid, the acid of positive Kui and Palmic acid, and it rubs
The corresponding relation of that ratio and temperature is:
Disposable annulus temperature meter of the present invention, described phase-change material powder diameter scope is 0.0001～2mm.
Disposable annulus temperature meter of the present invention, described container material include polyethylene, polypropylene, polrvinyl chloride,
Polyethylene terephthalate, polymethyl methacrylate, Merlon, polystyrene, polyvinyl alcohol contracting butyl ester, poly-(benzene second
Alkene-co-acrylonitrile), acrylonitrile-butadiene-styrene copolymer, polyether sulfone or PETG.
Disposable annulus temperature meter of the present invention, the circular profile a diameter of 1.5～3cm of described annular, annulus is straight
Footpath is 1～8mm；Annulus is provided with graduation mark, is provided with groove along graduation mark, and described groove is a length of the 1 of graduation mark side
～3mm, depth of groove is 1～4mm, and groove topography includes square, rectangle, trapezoidal, circular, triangle or pentalpha.
Disposable annulus temperature meter of the present invention, one end of described container connects handle, decreased food be 1～
10cm；The temperature-measuring range of described body temperature is 35～42 DEG C, and temperature accuracy is 0.1～0.5 DEG C.
Disposable annulus temperature meter of the present invention, what described phase-change material occurred becomes solid-liquid phase change mutually；Described table
Levy the method for body temperature be after the solid-liquid interface or recrystallization produced after phase-change material undergoes phase transition completely crystal and powder point
Maximum temperature corresponding to interface.
Beneficial effect
The disposable annulus temperature meter of the present invention has low cost, without sterilizing and using the excellent of safe and easy process
Point.
Accompanying drawing explanation
Below according to the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the structural representation of the present invention
Detailed description of the invention
Embodiment 1
AI3-28404 is made into together with n-docosane in varing proportions melting mixing the mixing of different phase transition temperature
Thing, then pulverizes, by mixture, the annular transparent with groove being sequentially filled in a diameter of 3～8mm according to phase transition temperature and gathers
In the groove of vinyl plate (shown in Fig. 1), seal with annular cover plate after filling.Transparent polyethylene plate ring diameter be 1.5～
3cm, temperature scale line is around circular arc layout, and graduation mark a length of 2～6cm, groove is along graduation mark interlaced arrangement, and groove size is 2
×2mm2, deep 2mm.Temperature range is 35～42 DEG C, and temperature line interval is 0.2 DEG C.
During use, this clinical thermometer is put in oxter or mouth, in groove area is placed on middle, oxter or does not all have entrance.1
Taking out after minute, the maximum temperature corresponding to phase-change material undergone phase transition completely in groove is body temperature.When clinical thermometer cools down
After recrystallization, then the maximum temperature corresponding to recrystallization phase-change material is then body temperature.
After clinical thermometer use is complete, centralized collection can carry out burning disposal.
Corresponding relation between table 1. composite phase-change material and temperature
Wherein, in form, ratio is mol ratio, lower same.
Embodiment 2
Tetradecanol is made into together with pentadecanol melting mixing the mixture with different phase transition temperature, then will
Mixture is pulverized and is sequentially filled in the annular transparent polyethylene board with groove of a diameter of 3～8mm according to phase transition temperature
In groove, seal with annular cover plate after filling.Transparent polyethylene plate ring diameter is 1.5～3cm, and temperature scale line is around circular arc
Arranging, graduation mark a length of 2～6cm, groove is along graduation mark interlaced arrangement, and groove size is 2 × 2mm2, deep 2mm.Temperature range
Being 35～42 DEG C, temperature line interval is 0.2 DEG C.
Use and processing method is with embodiment 1.
Corresponding relation between table 2. composite phase-change material and temperature
Embodiment 3
By tetradecanol together with pentadecanol melting mixing, AI3-28404 is together with n-docosane melting mixing
It is made into the mixture with different phase transition temperature respectively, mixture is pulverized be spaced filling according to phase transition temperature successively the most respectively
In the groove of the annular transparent polyethylene board with groove of a diameter of 3～8mm, close with annular cover plate after filling
Envelope.Transparent polyethylene plate ring diameter is 1.5～3cm, and temperature scale line is arranged around circular arc, graduation mark a length of 2～6cm, groove
Along graduation mark interlaced arrangement, groove size is 2 × 2mm2, deep 2mm.Temperature range is 35～42 DEG C, and temperature line interval is 0.2
℃。
Use and processing method is with embodiment 1.
Corresponding relation between table 3. composite phase-change material and temperature
Embodiment 4
By the pentadecanol of different proportion and ten acid melting mixing together with the requirement of satisfied different phase transition temperatures, then
Mixture is pulverized and is sequentially filled in the annular transparent polyethylene board with groove of a diameter of 3～8mm according to phase transition temperature
Groove in, after filling with annular cover plate seal.Transparent polyethylene plate ring diameter is 1.5～3cm, and temperature scale line is around circle
Arc is arranged, graduation mark a length of 2～6cm, groove is along graduation mark interlaced arrangement, and groove size is 2 × 2mm2, deep 2mm.Temperature model
Enclosing is 35～42 DEG C, and temperature line interval is 0.2 DEG C and then mixture is pulverized the white crystal formed according to phase transition temperature successively
It is filled in the groove of annular polyethylene terephthalate plate with groove of a diameter of 3～8mm, after filling
Seal with annular cover plate.Annular polyethylene terephthalate plate ring diameter is 1.5～3cm, and temperature scale line is arranged around circular arc,
Graduation mark a length of 2～6cm, groove is along graduation mark interlaced arrangement, and groove size is 2 × 2mm2, deep 2mm.Temperature range is 35
～42 DEG C, temperature line interval is 0.2 DEG C.
Use and processing method is with embodiment 1.
Corresponding relation between table 4. composite phase-change material and temperature
Embodiment 5
Phase-change material powder (phase-change material powder constitution be shown in Table 5 and table 6) is sequentially filled according to the difference of phase transition temperature
In the groove of the annular polycarbonate plate with groove of a diameter of 3～8mm, seal with annular cover plate after filling.
Annular polycarbonate plate ring diameter is 1.5～3cm, and temperature scale line is arranged around circular arc, graduation mark a length of 2～6cm, groove edge
Graduation mark interlaced arrangement, groove size is 2 × 2mm2, deep 2mm.Temperature range is 35～42 DEG C, and temperature line interval is 0.2 DEG C.
Use and processing method is with embodiment one.
Corresponding relation between table 5. composite phase-change material and temperature
Corresponding relation between table 6. composite phase-change material and temperature
(note: positive Kui acid is positive ten carbonic acid, and Palmic acid is positive Palmitic acid, and stearic acid is positive 18 carbonic acid)
Embodiment 6
By Heneicosane and n-tricosane melting mixing in varing proportions, other fill conditions, use and burn with
Embodiment 1, the corresponding relation between its ratio composite phase-change material and temperature is with table 1.
Embodiment 7
By AI3-36122 and n-tetracosane melting mixing in varing proportions, other fill conditions, use and burn with real
Executing example 2, the corresponding relation between its ratio composite phase-change material and temperature is with table 2.
Embodiment 8
By positive hendecoic acid and positive ficocerylic acid melting mixing in varing proportions, other fill conditions, use and burn with
Embodiment 1, the corresponding relation between its ratio composite phase-change material and temperature is with table 1.
Embodiment 9
By positive ten tetra-carbonics and positive 15 carbonic acid melting mixing in varing proportions, other fill conditions, use and burn with
Embodiment 1, the corresponding relation between its ratio composite phase-change material and temperature is with table 1.
Embodiment 10
By methyl stearate and ethyl stearte melting mixing in varing proportions, other fill conditions, use and burn with
Embodiment 1, the corresponding relation between its ratio composite phase-change material and temperature is with table 1.
Embodiment 11
By methyl stearate and ethyl stearte melting mixing in varing proportions, other fill conditions, use and burn with
Embodiment 1, the corresponding relation between its ratio composite phase-change material and temperature is with table 1.
Embodiment 12
By methyl nonadecanoate and nonadecanoic acid ethyl ester melting mixing in varing proportions, other fill conditions, use and burn with
Embodiment 1, the corresponding relation between its ratio composite phase-change material and temperature is with table 1.
Embodiment 13
By 20 acid methyl ester and 20 acetoacetic esters melting mixing in varing proportions, other fill conditions, use and burn with
Embodiment 1, the corresponding relation between its ratio composite phase-change material and temperature is with table 1.
But, above-mentioned detailed description of the invention is exemplary, is to preferably enable those skilled in the art
Understand this patent, it is impossible to be not understood as this patent is included the restriction of scope；As long as the institute according to spirit disclosed in this patent
Any equivalent change made or modification, each fall within the scope that this patent includes.
Claims (11)
1. a disposable annulus temperature meter, it is characterised in that: phase-change material powder is positioned over the toroidal container that plastics are made
In, undergo phase transition and produce separating surface by having the phase-change material of different phase transition temperature or recrystallize and make phase-change material outward appearance send out
Changing characterizes body temperature, and described phase-change material includes aliphatic hydrocarbon, fatty alcohol, fatty acid, fatty acid ester；
Described aliphatic hydrocarbon includes AI3-36122～n-tetracosane；Described fatty alcohol includes positive tridecanol～cetyl alcohol；Described
Fatty acid includes positive ten carbonic acid～positive 18 carbonic acid；Described fatty acid ester includes methyl stearate, ethyl stearte, nonadecanoic acid first
Ester, nonadecanoic acid ethyl ester, 20 acid methyl ester, 20 acetoacetic esters；
The phase-change material with different phase transition temperature refers to the mixture of two or three different phase-change materials.
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: described phase-change material be AI3-28404 and
The mixture of n-docosane, its temperature with the corresponding relation of molar ratio is:
AI3-28404 n-docosane temperature
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: described phase-change material be tetradecanol and
Pentadecanol, its molar ratio with the corresponding relation of temperature is:
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: described phase-change material be pentadecanol and
Ten acid, the corresponding relation of its molar ratio and temperature is:
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: described phase-change material is lauric acid/dodecanoic acid and ten
Acid, the corresponding relation of its molar ratio and temperature is:
Lauric acid/dodecanoic acid ten acid temperature
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: described phase-change material is stearic acid, just
Kui acid and Palmic acid, the corresponding relation of its molar ratio and temperature is:
Stearic acid positive Kui acid Palmic acid temperature
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: described phase-change material powder diameter scope
It is 0.0001～2mm.
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: described container material include polyethylene,
Polypropylene, polrvinyl chloride, polyethylene terephthalate, polymethyl methacrylate, Merlon, polystyrene, polyethylene
Alcohol contracting butyl ester, poly-(styrene-co-acrylonitrile), acrylonitrile-butadiene-styrene copolymer, polyether sulfone or PETG.
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: the circular profile of described annular is a diameter of
1.5～3cm, circle diameter is 1～8mm；Annulus is provided with graduation mark, is provided with groove along graduation mark, and described groove is at scale
A length of the 1 of line side～3mm, depth of groove is 1～4mm, and groove topography includes square, rectangle, trapezoidal, circular, triangle
Shape or pentalpha.
Disposable annulus temperature meter the most according to claim 1, it is characterised in that: one end of described container connects hands
Handle, decreased food is 1～10cm；The temperature-measuring range of described body temperature is 35～42 DEG C, and temperature accuracy is 0.1～0.5 DEG C.
Disposable annulus temperature meter described in 11. claims 1, it is characterised in that: the phase transformation that described phase-change material occurs
For solid-liquid phase change；The method of described sign body temperature is the solid-liquid interface or recrystallization produced after phase-change material undergoes phase transition completely
Maximum temperature corresponding to the separating surface of rear crystal and powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160613.0A CN105907377B (en) | 2016-03-21 | 2016-03-21 | Disposable annulus temperature meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160613.0A CN105907377B (en) | 2016-03-21 | 2016-03-21 | Disposable annulus temperature meter |
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| Publication Number | Publication Date |
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| CN105907377A true CN105907377A (en) | 2016-08-31 |
| CN105907377B CN105907377B (en) | 2019-08-09 |
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| CN201610160613.0A Active CN105907377B (en) | 2016-03-21 | 2016-03-21 | Disposable annulus temperature meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634856A (en) * | 2016-12-02 | 2017-05-10 | 中节能六合天融环保科技有限公司 | Two-gradient phase-change thermal storage material and preparation method thereof |
| CN111551279A (en) * | 2020-05-09 | 2020-08-18 | 安徽春辉仪表线缆集团有限公司 | Disposable ring thermometer |
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| CN103773315A (en) * | 2012-10-24 | 2014-05-07 | 中国石油化工股份有限公司 | Hydrocarbon phase change heat storage materials and preparation method using natural acid as raw material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634856A (en) * | 2016-12-02 | 2017-05-10 | 中节能六合天融环保科技有限公司 | Two-gradient phase-change thermal storage material and preparation method thereof |
| CN111551279A (en) * | 2020-05-09 | 2020-08-18 | 安徽春辉仪表线缆集团有限公司 | Disposable ring thermometer |
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| Publication number | Publication date |
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| CN105907377B (en) | 2019-08-09 |
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