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CN105861304B - A kind of PCR thermocirculators - Google Patents

A kind of PCR thermocirculators Download PDF

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Publication number
CN105861304B
CN105861304B CN201610253029.XA CN201610253029A CN105861304B CN 105861304 B CN105861304 B CN 105861304B CN 201610253029 A CN201610253029 A CN 201610253029A CN 105861304 B CN105861304 B CN 105861304B
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sample
parts
siding
pcr
thermocirculators
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CN105861304A (en
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张晗
韦晨
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Chengdu Hanchen Guangyi Science And Technology Co Ltd
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Chengdu Hanchen Guangyi Science And Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5085Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
    • B01L3/50851Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates specially adapted for heating or cooling samples
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00Heating or cooling apparatus; Heat insulating devices
    • B01L7/52Heating or cooling apparatus; Heat insulating devices with provision for submitting samples to a predetermined sequence of different temperatures, e.g. for treating nucleic acid samples

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Hematology (AREA)
  • Laminated Bodies (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention discloses a kind of PCR thermocirculators, belong to experiment consumptive material field.A kind of PCR thermocirculators of the present invention, including sample encapsulation disk, the sample encapsulation disk includes upper thermal insulating layer connected in sequence from top to bottom, sample layer and lower heat-conducting layer, and the sample layer includes siding and sample, and the sample is placed in siding.A kind of PCR thermocirculators of the present invention have processing easy to produce, can ensure that all samples evenly and rapidly heat up cooling, improve the rate of temperature fall that heats up, small, the characteristics of convenient for practicality.

Description

A kind of PCR thermocirculators
Technical field
The present invention relates to a kind of thermocirculator, particularly a kind of PCR thermocirculators.
Background technology
PCR(Polymerase Chain Reaction)It is a kind of molecular biotechnology, specific DNA pieces can be expanded in vitro Section.The technology has been widely used for molecule diagnosis at present, precisely medical treatment, modern agriculture, the fields such as food security.Absolutely mostly In several PCR reactions, it is required for carrying out sample periodically heating cooling to realize the amplification of specific DNA fragmentation.
The water-bath of prior art generally use or common metal bathe to realize thermal cycle.Water-bath thermal cycle by by sample repeatedly It is immersed in and realizes the heating of sample and temperature-fall period in two temperature baths of high temperature and low temperature.But since water-bath cycle needs to match Temperature bath is put, to be also equipped with corresponding inflow and outflow device, causes equipment heavy, is not convenient to use.Simultaneously as sample needs It impregnates in water, therefore has high requirement to the tightness of sample encapsulation.And when water-bath is used to recycle, it has not been convenient to Carry out the PCR operations of real-time quantitative.Common metal is bathed by the way that sample is placed in Reagent Tube, and Reagent Tube is inserted into thick sheet metal In, then pass through heating and temperature-fall period of the realization of being heated and radiated to thick sheet metal to sample.But due to common metal The contact surface of metallic plate and Reagent Tube is not plane in bath, thus easily generate sample uneven heating it is even the phenomenon that, to Reagent Tube, The processing technology requirement of metallic plate etc. is high, and production and processing is of high cost.
Invention content
The goal of the invention of the present invention is:In view of the above problems, a kind of processing easy to produce is provided, can be ensured All samples evenly and rapidly heat up cooling, improve heating rate of temperature fall, small, convenient for practical PCR thermocirculators.
The technical solution adopted by the present invention is as follows:
A kind of PCR thermocirculators of the present invention, including sample encapsulation disk, the sample encapsulation disk include from up to Under upper thermal insulating layer connected in sequence, sample layer and lower heat-conducting layer, the sample layer includes siding and sample, and the sample is placed in wall In plate.
Due to employing lower heat-conducting layer design in the above-mentioned technical solutions, the thickness of the bottom wall of sample encapsulation disk is substantially reduced Degree, the contact wall for making sample encapsulation disk and heat-conduction medium is thinning, improves sample encapsulation disk bottom thermal transfer efficiency, while can The uniformity coefficient that sample encapsulation tray bottom is heated is improved, so as to which sample be enable evenly and rapidly to heat up and cool down.
A kind of PCR thermocirculators of the present invention are uniformly provided with through-hole on the siding, and the sample is placed in through-hole.
By adopting the above-described technical solution, being provided with through-hole on siding, siding is connected with lower heat-conducting layer, and lower heat-conducting layer is with leading to The side wall in hole forms a sample container, then heat-conducting layer is descended directly as sample container bottom wall, so as to further reduce sample envelope The thickness of the bottom wall of sabot further improves sample encapsulation disk bottom thermal transfer efficiency, ensures sample evenly and rapidly to greatest extent Heating and cooling.
Through-hole on siding can arrange by hole battle array, and hole battle array can have different designs, can be 96 holes or 384 holes etc..
A kind of PCR thermocirculators of the present invention, the siding upper and lower surface are equipped with concave station, and it is logical that the concave station is set on two Between hole.
By adopting the above-described technical solution, upper thermal insulating layer is overlying on upper surface and the following table of siding with lower heat-conducting layer respectively The side wall of face, upper thermal insulating layer, lower heat-conducting layer and through-hole forms a complete sample container, upper thermal insulating layer and lower heat-conducting layer difference As the upper cover and bottom wall of sample container, and the concave station between siding two through hole can be overlying on siding in lower heat conduction and upper thermal insulating layer When, container only is formed with through-hole, so as to be only in direct contact with sample, without being in direct contact with siding other faces, and disperses heat Amount reduces thermal losses, so as to which heat concentration is sent at sample.
A kind of PCR thermocirculators of the present invention, the upper thermal insulating layer are made of high thermal insulation film, the lower heat-conducting layer It is made of high-termal conductivity film, the siding is made of thermal insulation material.
By adopting the above-described technical solution, thermal losses can be reduced, so as to which heat concentration is sent at sample.
A kind of PCR thermocirculators of the present invention, the sample encapsulation disk top are equipped with light-transmitting plate, the sample encapsulation disk Lower surface is connected with heat transfer unit (HTU) and radiator.
By adopting the above-described technical solution, light-transmitting plate is made of the material to visible transparent, light-transmitting plate is to selected Exciting light and fluorescent transparent, which is arranged on sample encapsulation disk and puts, can be formed between thermocirculator component Air layer can be passed through the air of heating to prevent in thermal cycle water condensation in the upper wall of container.
A kind of PCR thermocirculators of the present invention, the heat transfer unit (HTU) include metallic plate, and the metallic plate lower surface is connected with Calorifics module;The radiator includes radiator and fan, and the radiator is connected with calorifics module, and the fan, which is set on, to be dissipated Below hot device.
By adopting the above-described technical solution, metallic plate can be further ensured that and allow sample thermally equivalent, radiator and heat Learn the function that module then realizes heating and cooling.
A kind of PCR thermocirculators of the present invention, the thickness of the sample disc are 0.1 ~ 0.4cm, the thickness of the light-transmitting plate It spends for 0.5 ~ 2.5cm, the thickness of the heat transfer unit (HTU) is 0.1 ~ 2.0cm.
By adopting the above-described technical solution, the thickness of each layer is optimum range, it can be while performance be ensured Obtain best heating rate of temperature fall.
A kind of PCR thermocirculators of the present invention, the light-transmitting plate is by 20 ~ 50 parts of half silicon of vinyl trimethoxy of mass parts Oxygen alkane, 10 ~ 20 parts of vinyltrimethoxysilanes and 15 ~ 30 parts of tetraethyl orthosilicate compositions.
By adopting the above-described technical solution, light-transmitting plate has good light transmittance.Wherein, half silicon of vinyl trimethoxy Oxygen alkane can be the arbitrary value in 20 ~ 50 parts, such as 23 parts, 25 parts, 27 parts, 38 parts, 42 parts, 46 parts etc.;Vinyl trimethoxy Base silane can be the arbitrary value in 10 ~ 20 parts, such as 14 parts, 16 parts, 17 parts etc.;Tetraethyl orthosilicate can be 15 ~ 30 parts In arbitrary value, such as 18 parts, 21 parts, 24 parts, 28 parts etc..
Preferably, when light-transmitting plate is by 47 parts of half siloxanes of vinyl trimethoxy of mass parts, 18 parts of vinyl trimethoxies It is best when silane and 18 parts of tetraethyl orthosilicate compositions.
A kind of PCR thermocirculators of the present invention, the lower heat-conducting layer is by 40 ~ 70 parts of poly-methyl methacrylates of mass parts Ester, 20 ~ 28 parts of nano silicon dioxides, 0 ~ 10 part of expanded porous graphite, 5 ~ 8 parts of graphenes, 7 ~ 18 parts of cellulose ethers and 10 ~ 16 parts Coagulator forms.
By adopting the above-described technical solution, heat-conducting layer have good thermal conductivity, while have good flexibility and Ductility, can reach the thickness of micron level still has good toughness, and installing under conditions of sufficiently thin can after sample Guarantee will not bring to light.
Wherein polymethyl methacrylate can be the arbitrary value in 40 ~ 70 parts, such as 43 parts, 48 parts, 52 parts, 55 parts, 60 parts, 68 parts etc.;Nano silicon dioxide can be the arbitrary value in 20 ~ 28 parts, such as 25 parts, 27 parts etc.;Expanded porous graphite Can be the arbitrary value in 0 ~ 10 part, such as 4 parts, 6 parts, 7 parts, 8 parts etc.;Graphene can be the arbitrary value in 5 ~ 8 parts, such as 6 parts, 7 parts etc.;Cellulose ether can be the arbitrary value in 7 ~ 18 parts, such as 10 parts, 13 parts, 15 parts, 17 parts etc.;Coagulator can be with For the arbitrary value in 10 ~ 16 parts, such as 12 parts, 13 parts, 15 parts etc..
Preferably, heat-conducting layer is by 68 parts of polymethyl methacrylates of mass parts instantly, and 28 parts of nano silicon dioxides, 4 parts swollen It is best when swollen porous graphite, 8 parts of graphenes, 14 parts of cellulose ethers and 15 parts of coagulator compositions.
A kind of PCR thermocirculators of the present invention, the upper thermal insulating layer are made of high thermal insulation film, and the high thermal insulation is thin Film is the aeroge with high-permeability multi-branched nanoporous three-dimensional net structure, and the upper thermal insulating layer is by mass parts 10 ~ 30 Part eakleite-aeroge, 10 ~ 15 parts of ceramic fibre-aeroges and 5 ~ 10 parts poly- (2- methoxyl group -5- octyloxies) are to benzene second Alkynes forms.
By adopting the above-described technical solution, upper thermal insulating layer heat-proof quality is good, it can effectively completely cut off ambient temperature to sample Sample in encapsulation disk is improved the accuracy of heating, cooling, improves the precision to sample detection by external influence;Simultaneously It is also preferable to the light transmittance of 450 ~ 580nm wavelength with good light transmittance.
Wherein, eakleite-aeroge can be the arbitrary value in 10 ~ 30 parts, such as 14 parts, 19 parts, 21 parts, 23 parts, 27 parts etc., ceramic fibre-aeroge can be the arbitrary value in 10 ~ 15 parts, such as 12 parts, 13 parts, 14 parts etc., poly- (2- methoxies Base -5- octyloxies) can be the arbitrary value in 5 ~ 10 parts to phenylacetylene, such as 7 parts, 9 parts etc..
Preferably, upper thermal insulating layer by mass parts by 21 parts of eakleite-aeroges of mass parts, 12 parts of ceramic fibre-airsettings When glue and 10 parts poly- (2- methoxyl group -5- octyloxies) form phenylacetylene, heat insulation is best, while has good light transmission Rate, and there is certain gain effect to the wavelength of 450 ~ 580nm.
A kind of PCR thermocirculators of the present invention, the thickness of the upper thermal insulating layer is 25 ~ 500 μm, the lower heat-conducting layer Thickness is 10 ~ 50 μm.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows:
1st, a kind of simple and reasonable, processing easy to produce is provided, can ensure that sample is uniform, quickly heat up cooling, Convenient for practical PCR thermocirculators.
The 2nd, a kind of thickness for the bottom wall for greatly reducing sample encapsulation disk is provided, make connecing for sample encapsulation disk and heat-conduction medium It is thinning to touch wall, improves sample encapsulation disk bottom thermal transfer efficiency, improves the uniformity coefficient that sample encapsulation tray bottom is heated.
Description of the drawings
Fig. 1 is sample encapsulation disk structure diagram;
Fig. 2 is sample encapsulation disk vertical view;
Fig. 3 is a kind of structure diagram of PCR thermocirculators;
Fig. 4 is a kind of partial enlarged view in PCR thermocirculators A portions.
It is marked in figure:1 is light-transmitting plate, and 2 be upper thermal insulating layer, and 3 be sample, and 4 be siding, and 5 be lower heat-conducting layer, and 6 be metallic plate, 7 be calorifics module, and 8 be radiator, and 9 be fan.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment 1
As shown in Figures 1 to 4, a kind of PCR thermocirculators, including sample encapsulation disk, sample encapsulation disk include from up to Under upper thermal insulating layer 2 connected in sequence, sample layer and lower heat-conducting layer 5, sample layer includes siding 4 and sample 3, and sample 3 is placed in siding 4 It is interior, through-hole is uniformly provided on siding 4, Kong Zhen arranges by 384 holes, and siding 4 is 384 orifice plates, and sample 3 is placed in through-hole, on siding 4 Lower surface is equipped with concave station, and concave station is set between two through hole, and upper thermal insulating layer 2 is overlying on the upper surface of siding 4 with lower heat-conducting layer 5 respectively And lower surface, upper thermal insulating layer 2, the side wall of lower heat-conducting layer 5 and through-hole form a complete sample container, upper thermal insulating layer 2 and under Heat-conducting layer 5 respectively as sample container upper cover and bottom wall, and the concave station between 4 two through hole of siding and upper thermal insulating layer 2 and under lead Thermosphere 5 does not contact.The thickness of upper thermal insulating layer 2 is 500 μm, and the thickness of lower heat-conducting layer 5 is 50 μm.
Light-transmitting plate 1 is equipped with above sample encapsulation disk, sample encapsulation disk lower surface is connected with heat transfer unit (HTU) and radiator.Heat transfer Device includes metallic plate 6, and 6 lower surface of metallic plate is connected with calorifics module 7;Radiator includes radiator 8 and fan 9, radiator 8 It is connected with calorifics module 7, fan 9 is set on 8 lower section of radiator.Metallic plate is made of copper.The overall thickness of sample disc is 0.4cm, thoroughly The thickness of tabula rasa 1 is 2.5cm, and the thickness of heat transfer unit (HTU) is 2.0cm.
Upper thermal insulating layer 2 is made of high thermal insulation film, which is more with high-permeability multi-branched nanometer The aeroge of hole three-dimensional net structure, by 10 parts of eakleite-aeroges of mass parts, 10 parts of ceramic fibre-aeroges and 5 parts it is poly- (2- methoxyl group -5- octyloxies) forms phenylacetylene, and the thermal conductivity of the high thermal insulation film is 0.043W/(m·K), to visible Light light transmittance is 83.7%, and the light transmittance to 450 ~ 580nm wavelength is 86.3%.
Lower heat-conducting layer 5 is made of high-termal conductivity film, and the high-termal conductivity film is by 40 parts of poly-methyl methacrylates of mass parts Ester, 20 parts of nano silicon dioxides, 0 part of expanded porous graphite, 5 parts of graphenes, 7 parts of cellulose ethers and 10 parts of coagulator compositions, should The thermal conductivity of high hot film is 1.315W/(m·K), the load-bearing of the hot film of the height is 0.8g/cm2
Siding 4 is made of thermal insulation material, the thermal insulation material by 20 parts of half siloxanes of vinyl trimethoxy of mass parts, 10 parts of vinyltrimethoxysilanes and 15 parts of tetraethyl orthosilicate compositions, the heat-insulating material are 92.6% to visible light transmittance rate, Light transmittance to 450 ~ 580nm wavelength is 94.7%.
When in use, step 1:Siding 4 is made with thermal insulation material, through-hole has been opened up on siding 4;Step 2:It will The siding made in step 1 and high-conductivity it is film adhered together, laminating type can be that chemistry is pasted, thermoplastic Encapsulation, high voltage pack etc., using the film of high-termal conductivity as the bottom for holding sample, and the hole wall of siding then conduct in step 1 The chamber wall of sample container;Step 3:Prepared sample is injected in sample container;Step 4:To container obtained above Obtained sample encapsulation disk is packaged, the upper surface of one high thermal insulation film and said vesse is fit together, fitting Mode can be that chemistry is pasted, thermoplastic package, and high voltage pack etc. uses chemistry stickup or high voltage pack as most preferably.
Embodiment 2
As shown in Figures 1 to 4, a kind of PCR thermocirculators, including sample encapsulation disk, sample encapsulation disk include from up to Under upper thermal insulating layer 2 connected in sequence, sample layer and lower heat-conducting layer 5, sample layer includes siding 4 and sample 3, and sample 3 is placed in siding 4 It is interior, through-hole is uniformly provided on siding 4, Kong Zhen arranges by 384 holes, and siding 4 is 384 orifice plates, and sample 3 is placed in through-hole, on siding 4 Lower surface is equipped with concave station, and concave station is set between two through hole, and upper thermal insulating layer 2 is overlying on the upper surface of siding 4 with lower heat-conducting layer 5 respectively And lower surface, upper thermal insulating layer 2, the side wall of lower heat-conducting layer 5 and through-hole form a complete sample container, upper thermal insulating layer 2 and under Heat-conducting layer 5 respectively as sample container upper cover and bottom wall, and the concave station between 4 two through hole of siding and upper thermal insulating layer 2 and under lead Thermosphere 5 does not contact.The thickness of upper thermal insulating layer 2 is 25 μm, and the thickness of lower heat-conducting layer 5 is 10 μm.
Light-transmitting plate 1 is equipped with above sample encapsulation disk, sample encapsulation disk lower surface is connected with heat transfer unit (HTU) and radiator.Heat transfer Device includes metallic plate 6, and 6 lower surface of metallic plate is connected with calorifics module 7;Radiator includes radiator 8 and fan 9, radiator 8 It is connected with calorifics module 7, fan 9 is set on 8 lower section of radiator.Metallic plate is made of copper.The overall thickness of sample disc is 0.1cm, thoroughly The thickness of tabula rasa 1 is 0.5cm, and the thickness of heat transfer unit (HTU) is 0.1cm.
Upper thermal insulating layer 2 is made of high thermal insulation film, which is more with high-permeability multi-branched nanometer The aeroge of hole three-dimensional net structure, by 30 parts of eakleite-aeroges of mass parts, 15 parts of ceramic fibre-aeroges and 10 parts Poly- (2- methoxyl group -5- octyloxies) forms phenylacetylene, and the thermal conductivity of the high thermal insulation film is 0.047W/(m·K), pair can It is 82.0% to see light light transmittance, and the light transmittance to 450 ~ 580nm wavelength is 82.9%.
Lower heat-conducting layer 5 is made of high-termal conductivity film, and the high-termal conductivity film is by 70 parts of poly-methyl methacrylates of mass parts Ester, 28 parts of nano silicon dioxides, 10 parts of expanded porous graphite, 8 parts of graphenes, 18 parts of cellulose ethers and 16 parts of coagulator groups Into the thermal conductivity of the hot film of the height is 1.420W/(m·K), the load-bearing of the hot film of the height is 1.1 g/cm2
Siding 4 is made of thermal insulation material, the thermal insulation material by 50 parts of half siloxanes of vinyl trimethoxy of mass parts, 20 parts of vinyltrimethoxysilanes and 30 parts of tetraethyl orthosilicate compositions, the heat-insulating material are 93.1% to visible light transmittance rate, Light transmittance to 450 ~ 580nm wavelength is 93.7%.
When in use, step 1:Siding 4 is made with thermal insulation material, through-hole has been opened up on siding 4;Step 2:It will The siding made in step 1 and high-conductivity it is film adhered together, laminating type can be that chemistry is pasted, thermoplastic Encapsulation, high voltage pack etc., using the film of high-termal conductivity as the bottom for holding sample, and the hole wall of siding then conduct in step 1 The chamber wall of sample container;Step 3:Prepared sample is injected in sample container;Step 4:To container obtained above Obtained sample encapsulation disk is packaged, the upper surface of one high thermal insulation film and said vesse is fit together, fitting Mode can be that chemistry is pasted, thermoplastic package, and high voltage pack etc. uses chemistry stickup or high voltage pack as most preferably.
Embodiment 3
As shown in Figures 1 to 4, a kind of PCR thermocirculators, including sample encapsulation disk, sample encapsulation disk include from up to Under upper thermal insulating layer 2 connected in sequence, sample layer and lower heat-conducting layer 5, sample layer includes siding 4 and sample 3, and sample 3 is placed in siding 4 It is interior, through-hole is uniformly provided on siding 4, Kong Zhen arranges by 384 holes, and siding 4 is 384 orifice plates, and sample 3 is placed in through-hole, on siding 4 Lower surface is equipped with concave station, and concave station is set between two through hole, and upper thermal insulating layer 2 is overlying on the upper surface of siding 4 with lower heat-conducting layer 5 respectively And lower surface, upper thermal insulating layer 2, the side wall of lower heat-conducting layer 5 and through-hole form a complete sample container, upper thermal insulating layer 2 and under Heat-conducting layer 5 respectively as sample container upper cover and bottom wall, and the concave station between 4 two through hole of siding and upper thermal insulating layer 2 and under lead Thermosphere 5 does not contact.The thickness of upper thermal insulating layer 2 is 60 μm, and the thickness of lower heat-conducting layer 5 is 40 μm.
Light-transmitting plate 1 is equipped with above sample encapsulation disk, sample encapsulation disk lower surface is connected with heat transfer unit (HTU) and radiator.Heat transfer Device includes metallic plate 6, and 6 lower surface of metallic plate is connected with calorifics module 7;Radiator includes radiator 8 and fan 9, radiator 8 It is connected with calorifics module 7, fan 9 is set on 8 lower section of radiator.Metallic plate is made of copper.The overall thickness of sample disc is 0.3cm, thoroughly The thickness of tabula rasa 1 is 1.0cm, and the thickness of heat transfer unit (HTU) is 0.8cm.
Upper thermal insulating layer 2 is made of high thermal insulation film, which is more with high-permeability multi-branched nanometer The aeroge of hole three-dimensional net structure, by 20 parts of eakleite-aeroges of mass parts, 12 parts of ceramic fibre-aeroges and 8 parts it is poly- (2- methoxyl group -5- octyloxies) forms phenylacetylene, and the thermal conductivity of the high thermal insulation film is 0.052W/(m·K), to visible Light light transmittance is 81.5%, and the light transmittance to 450 ~ 580nm wavelength is 83.0%.
Lower heat-conducting layer 5 is made of high-termal conductivity film, and the high-termal conductivity film is by 57 parts of poly-methyl methacrylates of mass parts Ester, 25 parts of nano silicon dioxides, 4 parts of expanded porous graphite, 7 parts of graphenes, 16 parts of cellulose ethers and 14 parts of coagulator compositions, should The thermal conductivity of high hot film is 1.270W/(m·K), the load-bearing of the hot film of the height is 0.9g/cm2
Siding 4 is made of thermal insulation material, the thermal insulation material by 36 parts of half siloxanes of vinyl trimethoxy of mass parts, 18 parts of vinyltrimethoxysilanes and 23 parts of tetraethyl orthosilicate compositions, the heat-insulating material are 94.1% to visible light transmittance rate, Light transmittance to 450 ~ 580nm wavelength is 92.4%.
When in use, step 1:Siding 4 is made with thermal insulation material, through-hole has been opened up on siding 4;Step 2:It will The siding made in step 1 and high-conductivity it is film adhered together, laminating type can be that chemistry is pasted, thermoplastic Encapsulation, high voltage pack etc., using the film of high-termal conductivity as the bottom for holding sample, and the hole wall of siding then conduct in step 1 The chamber wall of sample container;Step 3:Prepared sample is injected in sample container;Step 4:To container obtained above Obtained sample encapsulation disk is packaged, the upper surface of one high thermal insulation film and said vesse is fit together, fitting Mode can be that chemistry is pasted, thermoplastic package, and high voltage pack etc. uses chemistry stickup or high voltage pack as most preferably.
Embodiment 4
As shown in Fig. 1, Fig. 3 and Fig. 4, a kind of PCR thermocirculators, including sample encapsulation disk, sample encapsulation disk include from The upper thermal insulating layer 2 connected in sequence under, sample layer and lower heat-conducting layer 5, sample layer include siding 4 and sample 3, and sample 3 is placed in In siding 4, through-hole is uniformly provided on siding 4, Kong Zhen arranges by 96 holes, and siding 4 is 96 orifice plates, and sample 3 is placed in through-hole, siding 4 upper and lower surfaces are equipped with concave station, and concave station is set between two through hole, and upper thermal insulating layer 2 is overlying on the upper of siding 4 respectively with lower heat-conducting layer 5 The side wall of surface and lower surface, upper thermal insulating layer 2, lower heat-conducting layer 5 and through-hole forms a complete sample container, upper thermal insulating layer 2 With lower heat-conducting layer 5 respectively as the upper cover and bottom wall of sample container, and the concave station between 4 two through hole of siding and upper thermal insulating layer 2 and Lower heat-conducting layer 5 does not contact.The thickness of upper thermal insulating layer 2 is 127 μm, and the thickness of lower heat-conducting layer 5 is 38 μm.
Light-transmitting plate 1 is equipped with above sample encapsulation disk, sample encapsulation disk lower surface is connected with heat transfer unit (HTU) and radiator.Heat transfer Device includes metallic plate 6, and 6 lower surface of metallic plate is connected with calorifics module 7;Radiator includes radiator 8 and fan 9, radiator 8 It is connected with calorifics module 7, fan 9 is set on 8 lower section of radiator.Metallic plate is made of copper.The overall thickness of sample disc is 0.32cm, thoroughly The thickness of tabula rasa 1 is 0.9cm, and the thickness of heat transfer unit (HTU) is 1.3cm.
Upper thermal insulating layer 2 is made of high thermal insulation film, which is more with high-permeability multi-branched nanometer The aeroge of hole three-dimensional net structure, by 21 parts of eakleite-aeroges of mass parts, 10 parts of ceramic fibre-aeroges and 6 parts it is poly- (2- methoxyl group -5- octyloxies) forms phenylacetylene, and the thermal conductivity of the high thermal insulation film is 0.038W/(m·K), to visible Light light transmittance is 84.4%, and the light transmittance to 450 ~ 580nm wavelength is 86.9%.
Lower heat-conducting layer 5 is made of high-termal conductivity film, and the high-termal conductivity film is by 62 parts of poly-methyl methacrylates of mass parts Ester, 23 parts of nano silicon dioxides, 3 parts of expanded porous graphite, 8 parts of graphenes, 13 parts of cellulose ethers and 10 parts of coagulator compositions, should The thermal conductivity of high hot film is 1.535W/(m·K), the load-bearing of the hot film of the height is 0.6g/cm2
Siding 4 is made of thermal insulation material, the thermal insulation material by 37 parts of half siloxanes of vinyl trimethoxy of mass parts, 12 parts of vinyltrimethoxysilanes and 27 parts of tetraethyl orthosilicate compositions, the heat-insulating material are 93.8% to visible light transmittance rate, Light transmittance to 450 ~ 580nm wavelength is 94.1%.
When in use, step 1:Siding 4 is made with thermal insulation material, through-hole has been opened up on siding 4;Step 2:It will The siding made in step 1 and high-conductivity it is film adhered together, laminating type can be that chemistry is pasted, thermoplastic Encapsulation, high voltage pack etc., using the film of high-termal conductivity as the bottom for holding sample, and the hole wall of siding then conduct in step 1 The chamber wall of sample container;Step 3:Prepared sample is injected in sample container;Step 4:To container obtained above Obtained sample encapsulation disk is packaged, the upper surface of one high thermal insulation film and said vesse is fit together, fitting Mode can be that chemistry is pasted, thermoplastic package, and high voltage pack etc. uses chemistry stickup or high voltage pack as most preferably.
Embodiment 5
As shown in Figures 1 to 4, a kind of PCR thermocirculators, including sample encapsulation disk, sample encapsulation disk include from up to Under upper thermal insulating layer 2 connected in sequence, sample layer and lower heat-conducting layer 5, sample layer includes siding 4 and sample 3, and sample 3 is placed in siding 4 It is interior, through-hole is uniformly provided on siding 4, Kong Zhen arranges by 384 holes, and siding 4 is 384 orifice plates, and sample 3 is placed in through-hole, on siding 4 Lower surface is equipped with concave station, and concave station is set between two through hole, and upper thermal insulating layer 2 is overlying on the upper surface of siding 4 with lower heat-conducting layer 5 respectively And lower surface, upper thermal insulating layer 2, the side wall of lower heat-conducting layer 5 and through-hole form a complete sample container, upper thermal insulating layer 2 and under Heat-conducting layer 5 respectively as sample container upper cover and bottom wall, and the concave station between 4 two through hole of siding and upper thermal insulating layer 2 and under lead Thermosphere 5 does not contact.The thickness of upper thermal insulating layer 2 is 375 μm, and the thickness of lower heat-conducting layer 5 is 32 μm.
Light-transmitting plate 1 is equipped with above sample encapsulation disk, sample encapsulation disk lower surface is connected with heat transfer unit (HTU) and radiator.Heat transfer Device includes metallic plate 6, and 6 lower surface of metallic plate is connected with calorifics module 7;Radiator includes radiator 8 and fan 9, radiator 8 It is connected with calorifics module 7, fan 9 is set on 8 lower section of radiator.Metallic plate is made of copper.The overall thickness of sample disc is 0.2cm, thoroughly The thickness of tabula rasa 1 is 1.8cm, and the thickness of heat transfer unit (HTU) is 1.5cm.
Upper thermal insulating layer 2 is made of high thermal insulation film, which is more with high-permeability multi-branched nanometer The aeroge of hole three-dimensional net structure, by 21 parts of eakleite-aeroges of mass parts, 12 parts of ceramic fibre-aeroges and 10 parts Poly- (2- methoxyl group -5- octyloxies) forms phenylacetylene, and the thermal conductivity of the high thermal insulation film is 0.033W/(m·K), pair can It is 83.4% to see light light transmittance, and the light transmittance to 450 ~ 580nm wavelength is 85.2%.
Lower heat-conducting layer 5 is made of high-termal conductivity film, and the high-termal conductivity film is by 68 parts of polymethyl methacrylates, 28 parts Nano silicon dioxide, 4 parts of expanded porous graphite, 8 parts of graphenes, 14 parts of cellulose ethers and 15 parts of coagulator compositions, the height are hot The thermal conductivity of film is 1.577W/(m·K), the load-bearing of the hot film of the height is 0.8g/cm2
Siding 4 is made of thermal insulation material, the thermal insulation material by 47 parts of half siloxanes of vinyl trimethoxy of mass parts, 18 parts of vinyltrimethoxysilanes and 18 parts of tetraethyl orthosilicate compositions, the heat-insulating material are 94.1% to visible light transmittance rate, Light transmittance to 450 ~ 580nm wavelength is 94.9%.
When in use, step 1:Siding 4 is made with thermal insulation material, through-hole has been opened up on siding 4;Step 2:It will The siding made in step 1 and high-conductivity it is film adhered together, laminating type can be that chemistry is pasted, thermoplastic Encapsulation, high voltage pack etc., using the film of high-termal conductivity as the bottom for holding sample, and the hole wall of siding then conduct in step 1 The chamber wall of sample container;Step 3:Prepared sample is injected in sample container;Step 4:To container obtained above Obtained sample encapsulation disk is packaged, the upper surface of one high thermal insulation film and said vesse is fit together, fitting Mode can be that chemistry is pasted, thermoplastic package, and high voltage pack etc. uses chemistry stickup or high voltage pack as most preferably.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of PCR thermocirculators, it is characterised in that:Including sample encapsulation disk, the sample encapsulation disk is included from top to bottom Upper thermal insulating layer connected in sequence(2), sample layer and lower heat-conducting layer(5), the sample layer include siding(4);The siding(4)On It is uniformly provided with through-hole, sample(3)It is placed in through-hole;Light-transmitting plate is equipped with above the sample encapsulation disk(1), the sample encapsulation disk Lower surface is connected with heat transfer unit (HTU) and radiator.
2. a kind of PCR thermocirculators as described in claim 1, it is characterised in that:The siding(4)Upper and lower surface is equipped with Concave station, the concave station are set between two through hole.
3. a kind of PCR thermocirculators as described in claim 1, it is characterised in that:The heat transfer unit (HTU) includes metallic plate (6), the metallic plate(6)Lower surface is connected with calorifics module(7);The radiator includes radiator(8)And fan(9), institute State radiator(8)With calorifics module(7)It is connected, the fan(9)Set on radiator(8)Lower section.
4. a kind of PCR thermocirculators as described in claim 1, it is characterised in that:The thickness of the sample disc for 0.1 ~ 0.4cm, the light-transmitting plate(1)Thickness for 0.5 ~ 2.5cm, the thickness of the heat transfer unit (HTU) is 0.1 ~ 2.0cm.
5. a kind of PCR thermocirculators as described in claim 1, it is characterised in that:The upper thermal insulating layer(2)Thickness be 25 ~ 500 μm, the lower heat-conducting layer(5)Thickness be 10 ~ 50 μm.
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