CN220335167U - PCR instrument with adjustable temperature - Google Patents
PCR instrument with adjustable temperature Download PDFInfo
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- CN220335167U CN220335167U CN202320810098.1U CN202320810098U CN220335167U CN 220335167 U CN220335167 U CN 220335167U CN 202320810098 U CN202320810098 U CN 202320810098U CN 220335167 U CN220335167 U CN 220335167U
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- fixedly connected
- pcr instrument
- ventilation box
- instrument body
- temperature
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- 238000009423 ventilation Methods 0.000 claims abstract description 60
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052802 copper Inorganic materials 0.000 claims abstract description 42
- 239000010949 copper Substances 0.000 claims abstract description 42
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000007493 shaping process Methods 0.000 claims abstract description 16
- 239000004065 semiconductor Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000005485 electric heating Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 20
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 8
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 208000026350 Inborn Genetic disease Diseases 0.000 description 1
- 238000012408 PCR amplification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 208000016361 genetic disease Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model relates to the technical field of inspection instruments and discloses a temperature-adjustable PCR instrument, which comprises a PCR instrument body, wherein one side of the PCR instrument body is fixedly connected with a cold air component, the cold air component comprises a first ventilation box body, a semiconductor refrigerating sheet is fixedly connected in the first ventilation box body, one side refrigerating end of the semiconductor refrigerating sheet is fixedly connected with an aluminum plate, the semiconductor refrigerating sheet is used for cooling and refrigerating gas flowing in a serpentine groove, cooled cold air is guided by an air guide block and then blown into the PCR instrument body, the interior of the PCR instrument body is cooled, the cooling efficiency of the interior of the PCR instrument body is improved, heat emitted by a copper rectangular block and a copper radiating fin is blown into the PCR instrument body through a plurality of through holes, the interior of the PCR instrument body can be preheated, the preheating time before the operation of the PCR instrument body is reduced, a valve is opened, the hot air in a second ventilation box can flow into a shaping hose through a connecting pipe and be blown out through a fan housing, and the cover can be preheated.
Description
Technical Field
The utility model relates to the technical field of inspection instruments, in particular to a temperature-adjustable PCR instrument.
Background
A PCR instrument is an instrument for amplifying specific DNA by using PCR technology, and is widely used in medical and biological laboratories, for example, for determining whether a genetic disease is present in a sample, for diagnosing infectious diseases, for gene replication, for paternity test, and the like.
The patent publication No. CN214781781U discloses a PCR amplification instrument, which comprises a test tube and an amplification instrument main body, wherein a test tube placing mechanism for placing the test tube is arranged in the amplification instrument main body, the test tube placing mechanism comprises a bearing plate arranged in the amplification instrument main body, a matrix-shaped test tube slot for inserting the test tube is formed in the top end of the bearing plate, a cavity is formed in the bearing plate, and the cavity is connected with an external water pipe through a pipeline; the inside of the amplification instrument main body is provided with a lifting mechanism which is positioned above the bearing plate and used for lifting the test tube, the lifting mechanism comprises a screw rod which is arranged inside the amplification instrument main body, the screw rod consists of two sections of threaded rods which are opposite in rotation direction, and movable blocks are respectively meshed on the two sections of threaded rods on the screw rod.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a temperature-adjustable PCR apparatus to solve the above-mentioned problems in the prior art.
The utility model provides the following technical scheme: the temperature-adjustable PCR instrument comprises a PCR instrument body, wherein one side of the PCR instrument body is fixedly connected with a cold air component, the cold air component comprises a first ventilation box body, a semiconductor refrigerating sheet is fixedly connected in the first ventilation box body, one side refrigerating end of the semiconductor refrigerating sheet is fixedly connected with an aluminum plate, and one side of the aluminum plate is provided with snake-shaped grooves at equal intervals;
the two ends of the top of the aluminum plate in the first ventilation box body are fixedly connected with first exhaust fans, and one end of the first ventilation box body, which is positioned at the bottom of the aluminum plate, is fixedly connected with an air guide block;
the first dustproof net is fixedly connected to the top of the first ventilation box body, and the air outlet net is fixedly connected to one side of the first ventilation box body.
Further, one side fixedly connected with steam subassembly that cold air subassembly was kept away from to the PCR instrument body, steam subassembly includes the second ventilation box, the inside fixedly connected with copper rectangle piece of second ventilation box, the inside both ends fixedly connected with heating element of copper rectangle piece, the setting of second ventilation box is used for holding copper rectangle piece and second air extraction fan, and heat on the copper rectangle piece can be conducted to a plurality of copper fin and give off.
Further, the heating element includes the tubular metal resonator, the inside fixedly connected with electric heating wire of tubular metal resonator, it has the magnesia powder to fill between electric heating wire and the tubular metal resonator, can heat after the electric heating wire power supply, and the magnesia powder plays insulating, heat conduction's effect, can absorb the temperature after the electric heating wire heats and conduct away, and can carry out insulation protection to the electric heating wire.
Further, copper radiating fins are fixedly connected to two sides of the copper rectangular block at equal intervals, second exhaust fans are fixedly connected to two ends, located at the top of the copper rectangular block, of the second ventilation box, auxiliary heat components are arranged on one side of the hot gas component, heat on the copper rectangular block can be radiated out due to the arrangement of the copper radiating fins, and the second exhaust fans can be used for exhausting external air to the inside of the second ventilation box.
Further, assist hot subassembly includes the design hose, design hose top fixedly connected with fan housing, design hose bottom fixedly connected with valve, valve one end fixedly connected with connecting pipe, the one end fixedly connected with of valve is kept away from to the connecting pipe is in second ventilation box one side, opens the valve and makes in the second ventilation box steam can flow to the design hose through the connecting pipe to blow out through the fan housing, twist the design hose and can adjust the fan housing position.
Further, the temperature controller is fixedly connected to one side of the second ventilation box, the detection end of the temperature controller is located at the bottom of the copper rectangular block, the current output end of the temperature controller is electrically connected with the current input end of the electric heating wire through a power line, the detection end of the temperature controller is located at the bottom of the copper rectangular block, the temperature of the copper rectangular block can be detected, and the heating temperature of the electric heating wire can be controlled by setting the set value of the temperature controller.
Further, second ventilation box top fixedly connected with second dust screen, the through-hole has been seted up in second ventilation box one side equidistance penetration, second ventilation box one end fixedly connected with is used for fixed design hose's snap ring, and inside second ventilation box was prevented to outside dust etc. to setting up of second dust screen, in the setting up of through-hole makes things convenient for in the second ventilation box hot air entering PCR instrument body, the setting of snap ring makes things convenient for the block, fixes the design hose that does not use.
The utility model has the technical effects and advantages that:
1. according to the utility model, the semiconductor refrigerating sheet, the aluminum plate and the serpentine grooves are arranged, when the interior of the PCR instrument body is cooled, the first exhaust fan is opened to exhaust external air into the plurality of serpentine grooves, the serpentine grooves are arranged to block the air to a certain extent, the flowing time of the air in the interior of the PCR instrument body is prolonged, the heat on the air can be fully absorbed by the aluminum plate, the heating end of the semiconductor refrigerating sheet extracts the heat of the refrigerating end when working, the refrigerating purpose is achieved, the air in the serpentine grooves can be cooled and refrigerated, the refrigerated cold air is guided by the air guide block and then blown into the PCR instrument body, the interior of the PCR instrument body is cooled, the cooling efficiency of the interior of the PCR instrument body is improved, the first dustproof net can filter the air entering the first ventilation box body, and the arrangement of the air outlet net is convenient for the heating end of the semiconductor refrigerating sheet to dissipate heat.
According to the utility model, the electric heating wire, the copper radiating fins and the shaping hose are arranged, the temperature controller is arranged to control the electric heating wire to heat, the magnesium oxide powder can quickly absorb the heated temperature of the electric heating wire and is conducted to the metal pipe, so that the copper rectangular block is heated, heat on the copper rectangular block is radiated out through the copper radiating fins, the second exhaust fan is opened to pump external air into the second ventilation box, the heat radiated by the copper radiating fins is blown into the PCR instrument body through the through holes, the interior of the PCR instrument body can be preheated, the preheating time before the operation of the PCR instrument body is shortened, the shaping hose is twisted to move the fan housing onto the box cover, the valve can be opened to enable hot air in the second ventilation box to flow into the shaping hose through the connecting pipe and be blown out through the fan housing, and the box cover can be preheated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view illustrating an internal structure of the cold air assembly according to the present utility model.
FIG. 3 is a schematic view of the internal structure of the hot gas assembly of the present utility model.
Fig. 4 is a schematic view of the internal structure of the heating assembly according to the present utility model.
Fig. 5 is a schematic view of the auxiliary heat assembly structure of the present utility model.
The reference numerals are: 1. a PCR instrument body; 2. a cold air assembly; 3. a hot gas assembly; 4. a temperature controller; 5. an auxiliary heating assembly; 6. a first ventilation box; 7. a semiconductor refrigeration sheet; 8. an aluminum plate; 9. a first exhaust fan; 10. a serpentine slot; 11. an air guide block; 12. an air outlet net; 13. a first dust screen; 14. a second ventilation box; 15. rectangular copper blocks; 16. copper heat sink; 17. a heating assembly; 18. a second exhaust fan; 19. a second dust screen; 20. a through hole; 21. a metal tube; 22. an electric heating wire; 23. magnesium oxide powder; 24. shaping a hose; 25. a fan housing; 26. a valve; 27. a connecting pipe; 28. and a clasp.
Description of the embodiments
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.
Referring to fig. 1-5, the utility model provides a temperature-adjustable PCR instrument, which comprises a PCR instrument body 1, wherein one side of the PCR instrument body 1 is fixedly connected with a cold air component 2, the cold air component 2 comprises a first ventilation box body 6, a semiconductor refrigerating sheet 7 is fixedly connected inside the first ventilation box body 6, a refrigerating end of one side of the semiconductor refrigerating sheet 7 is fixedly connected with an aluminum plate 8, and one side of the aluminum plate 8 is provided with a snake-shaped groove 10 at equal intervals;
the two ends of the first ventilation box body 6, which are positioned at the top of the aluminum plate 8, are fixedly connected with first exhaust fans 9, and one end of the first ventilation box body 6, which is positioned at the bottom of the aluminum plate 8, is fixedly connected with an air guide block 11;
the top of the first ventilation box body 6 is fixedly connected with a first dustproof net 13, and one side of the first ventilation box body 6 is fixedly connected with an air outlet net 12.
Wherein, one side fixedly connected with steam subassembly 3 that cold air subassembly 2 was kept away from to PCR instrument body 1, steam subassembly 3 includes second ventilation box 14, and the setting of second ventilation box 14 is used for holding copper rectangle piece 15 and second air extraction fan 18, and the inside fixedly connected with copper rectangle piece 15 of second ventilation box 14, and the heat on the copper rectangle piece 15 can be conducted to a plurality of copper fin 16 and distributed away, and the inside both ends fixedly connected with heating element 17 of copper rectangle piece 15.
The heating assembly 17 comprises a metal tube 21, an electric heating wire 22 is fixedly connected inside the metal tube 21, the electric heating wire 22 can be heated after being powered, magnesia powder 23 is filled between the electric heating wire 22 and the metal tube 21, the magnesia powder 23 plays an insulating and heat conducting role, the temperature of the electric heating wire 22 after heating can be absorbed and conducted out, and the electric heating wire 22 can be insulated and protected.
Wherein, copper fin 16 is fixed to copper rectangular block 15 both sides equidistance fixedly connected with, and the setting of copper fin 16 makes the heat on the copper rectangular block 15 can distribute away, and the inside both ends fixedly connected with second air extraction fan 18 that are located copper rectangular block 15 top of second ventilation box 14, second air extraction fan 18 work can take out outside air to the inside of second ventilation box 14, and steam subassembly 3 one side is provided with supplementary hot subassembly 5.
The auxiliary heat assembly 5 comprises a shaping hose 24, a fan cover 25 is fixedly connected to the top end of the shaping hose 24, the position of the fan cover 25 can be adjusted by twisting the shaping hose 24, a valve 26 is fixedly connected to the bottom end of the shaping hose 24, a connecting pipe 27 is fixedly connected to one end of the valve 26, one end of the connecting pipe 27, far away from the valve 26, is fixedly connected to one side of the second ventilation box 14, and the valve 26 is opened to enable hot air in the second ventilation box 14 to flow into the shaping hose 24 through the connecting pipe 27 and be blown out through the fan cover 25.
Wherein, second ventilation box 14 one side fixedly connected with temperature controller 4, the detection end of temperature controller 4 is located copper rectangular piece 15 bottom, can detect out copper rectangular piece 15's temperature, and the electric current output of temperature controller 4 constitutes the electricity through the electric wire and is connected with electric heating wire 22's current input, sets up the setting value of temperature controller 4 and can control electric heating wire 22 heating and heating temperature.
Wherein, second ventilation box 14 top fixedly connected with second dust screen 19, inside second ventilation box 14 can be prevented to outside dust etc. by setting up of second dust screen 19, through-hole 20 has been seted up in the equidistance of second ventilation box 14 one side, the seting up of through-hole 20 makes things convenient for in the second ventilation box 14 hot air gets into PCR instrument body 1, second ventilation box 14 one end fixedly connected with is used for fixing shaping hose 24's snap ring 28, shaping hose 24 that snap ring 28's setting makes things convenient for the block, does not fix.
The working principle of the utility model is as follows: the device is connected with an external power supply by using a power line, when the inside of the PCR instrument body 1 is cooled and cooled, the first exhaust fan 9 is opened to pump external gas into the plurality of snake-shaped grooves 10 through the first dustproof net 13, the snake-shaped grooves 10 are arranged to block the gas to a certain extent, the flowing time of the gas in the inside of the device is prolonged, the heat on the gas can be fully absorbed by the aluminum plate 8, the heating end of the semiconductor refrigeration sheet 7 pumps the heat of the heating end to achieve the purpose of refrigeration, the gas in the snake-shaped grooves 10 can be cooled and cooled, the cooled air after cooling is guided by the air guide block 11 and blown into the PCR instrument body 1, the cooling efficiency in the PCR instrument body 1 is improved, the temperature controller 4 is arranged to control the heating of the electric heating wire 22 before the PCR instrument body 1 is operated, the magnesium oxide powder 23 can quickly absorb the temperature after the electric heating wire 22 is heated and is conducted onto the metal tube 21, the copper refrigeration sheet 15 and the copper refrigeration sheet 16 are heated, the second exhaust fan 18 is opened to cool and cool the gas in the cooling end, the air in the snake-shaped groove 10 is guided by the air guide block 11 and blown into the PCR instrument body 1, the PCR instrument body is cooled and cooled by the air guide block, the cooling air can be cooled and cooled by the fan cover to the inside of the PCR instrument body 1, the PCR instrument body is preheated by the heater, the heater cover is preheated by the heater cover 25, the heater cover is heated by the electric heater cover, and the heater cover is heated by the electric heater cover, the heater cover is heated by the heater, and the heater cover is heated by the heater cover, and the heater cover 25.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A temperature-adjustable PCR instrument comprising a PCR instrument body (1), characterized in that: the PCR instrument comprises a PCR instrument body (1), wherein a cold air component (2) is fixedly connected to one side of the PCR instrument body, the cold air component (2) comprises a first ventilation box body (6), a semiconductor refrigerating sheet (7) is fixedly connected to the inside of the first ventilation box body (6), an aluminum plate (8) is fixedly connected to the refrigerating end of one side of the semiconductor refrigerating sheet (7), and a snake-shaped groove (10) is formed in one side of the aluminum plate (8) at equal intervals; the two ends of the first ventilation box body (6) positioned at the top of the aluminum plate (8) are fixedly connected with first exhaust fans (9), and one end of the first ventilation box body (6) positioned at the bottom of the aluminum plate (8) is fixedly connected with an air guide block (11); the top of the first ventilation box body (6) is fixedly connected with a first dustproof net (13), and one side of the first ventilation box body (6) is fixedly connected with an air outlet net (12).
2. A temperature-adjustable PCR instrument according to claim 1, wherein: one side of the PCR instrument body (1) far away from the cold air component (2) is fixedly connected with a hot air component (3), the hot air component (3) comprises a second ventilation box (14), a copper rectangular block (15) is fixedly connected inside the second ventilation box (14), and heating components (17) are fixedly connected at two ends inside the copper rectangular block (15).
3. A temperature-adjustable PCR instrument according to claim 2, wherein: the heating assembly (17) comprises a metal tube (21), an electric heating wire (22) is fixedly connected inside the metal tube (21), and magnesia powder (23) is filled between the electric heating wire (22) and the metal tube (21).
4. A temperature-adjustable PCR instrument according to claim 2, wherein: copper cooling fins (16) are fixedly connected to two sides of the copper rectangular block (15) at equal intervals, second exhaust fans (18) are fixedly connected to two ends, located at the top of the copper rectangular block (15), of the second ventilation box (14), and an auxiliary heating assembly (5) is arranged on one side of the hot air assembly (3).
5. The temperature-adjustable PCR instrument as set forth in claim 4, wherein: the auxiliary heating assembly (5) comprises a shaping hose (24), a fan cover (25) is fixedly connected to the top end of the shaping hose (24), a valve (26) is fixedly connected to the bottom end of the shaping hose (24), a connecting pipe (27) is fixedly connected to one end of the valve (26), and one end, far away from the valve (26), of the connecting pipe (27) is fixedly connected to one side of the second ventilation box (14).
6. A temperature-adjustable PCR instrument according to claim 2, wherein: the temperature controller (4) is fixedly connected to one side of the second ventilation box (14), the detection end of the temperature controller (4) is located at the bottom of the copper rectangular block (15), and the current output end of the temperature controller (4) is electrically connected with the current input end of the electric heating wire (22) through a power line.
7. A temperature-adjustable PCR instrument according to claim 2, wherein: the top of the second ventilation box (14) is fixedly connected with a second dustproof net (19), through holes (20) are formed in one side of the second ventilation box (14) in an equidistant penetrating mode, and one end of the second ventilation box (14) is fixedly connected with a clamping ring (28) for fixing the shaping hose (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320810098.1U CN220335167U (en) | 2023-04-13 | 2023-04-13 | PCR instrument with adjustable temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320810098.1U CN220335167U (en) | 2023-04-13 | 2023-04-13 | PCR instrument with adjustable temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220335167U true CN220335167U (en) | 2024-01-12 |
Family
ID=89447749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320810098.1U Active CN220335167U (en) | 2023-04-13 | 2023-04-13 | PCR instrument with adjustable temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220335167U (en) |
-
2023
- 2023-04-13 CN CN202320810098.1U patent/CN220335167U/en active Active
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