CN106929407B - Cold and hot air duct system and gene sequencer - Google Patents
Cold and hot air duct system and gene sequencer Download PDFInfo
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- CN106929407B CN106929407B CN201511010309.XA CN201511010309A CN106929407B CN 106929407 B CN106929407 B CN 106929407B CN 201511010309 A CN201511010309 A CN 201511010309A CN 106929407 B CN106929407 B CN 106929407B
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
- B01L7/52—Heating 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1838—Means for temperature control using fluid heat transfer medium
- B01L2300/1844—Means for temperature control using fluid heat transfer medium using fans
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Abstract
The invention relates to the field of biochemical equipment, and provides cold and hot air duct systems and a gene sequencer, wherein the systems comprise a hot air device, a cold air device and a temperature regulating device, the hot air device comprises a hot air fan, a hot end radiating fin and a hot air duct, the hot air duct is a th through hole arranged in the hot end radiating fin, the hot air fan is fixed at the end of a th through hole and used for discharging hot air in the hot air duct, the cold air device comprises a cold air fan, a cold end radiating fin and a cold air duct, the cold air duct is a second through hole arranged in the cold end radiating fin, the cold air fan is fixed at the end of the second through hole and used for blowing cold air in the cold air duct, the temperature regulating device comprises a refrigerating sheet, a surface of the refrigerating sheet is tightly attached to the hot end radiating fin, and the other end of the refrigerating sheet is tightly attached to the cold end radiating fin, and the temperature regulating device has the advantages of being fast in regulating.
Description
Technical Field
The invention relates to the field of biochemical equipment, in particular to cold and hot air duct systems and a gene sequencer.
Background
At present, equipment with the functions of refrigeration and heating is ubiquitous, and refrigerators, air conditioners and the like in life have the functions of heating and refrigeration. However, the existing devices with cooling and heating functions all realize the heating and cooling of the devices through a compressor, the efficiency of cooling and heating is not optimistic, and after the temperature is set, the device can reach the set temperature after a few minutes, so that the usability of the device is greatly reduced, and the working efficiency of the device is greatly reduced.
In the prior art, gene sequencers comprise temperature control devices, wherein each temperature control device comprises a heating sheet, when the heating sheet needs to be heated, the heating sheet is directly contacted with a sequencing reaction chamber and is used for directly heating the sequencing reaction chamber, when the cooling is needed, the sequencing reaction chamber is automatically cooled to a set temperature, when the sequencing reaction is carried out by using the gene sequencers, the high quality of the sequencing reaction can be ensured only by requiring that a reagent can be quickly increased or reduced to the set temperature.
Therefore, there is a need for hot and cold air duct systems and gene sequencers that can increase the temperature ramp rate.
Disclosure of Invention
The invention aims to provide cold and hot air duct systems, and aims to solve the problem that a temperature control device of a gene sequencer in the prior art has extremely low efficiency of raising and lowering the temperature of a reagent.
In order to realize the purpose of the invention, cold and hot air duct systems comprise a hot air device, a cold air device and a temperature adjusting device;
the hot air device comprises a hot air fan, a hot end radiating fin and a hot air channel, the hot air channel is an th through hole arranged in the hot end radiating fin, the hot air fan is fixed at the end of the th through hole, and the hot air fan is used for discharging hot air in the hot air channel;
the cold air device comprises a cold air fan, a cold end radiating fin and a cold air channel, the cold air channel is a second through hole formed in the cold end radiating fin, the cold air fan is fixed to the end of the second through hole, and the cold air fan is used for blowing cold air in the cold air channel;
the temperature adjusting device comprises a refrigerating piece, wherein the surface of the refrigerating piece is tightly attached to the hot-end radiating piece, and the other end of the refrigerating piece is tightly attached to the cold-end radiating piece.
The temperature adjusting device further comprises heat insulation cotton, the heat insulation cotton is arranged between the hot end radiating fins and the cold end radiating fins, a plurality of through holes are formed in the heat insulation cotton, and refrigerating fins are embedded into each through hole.
The temperature adjusting device further comprises a temperature sensor, and the temperature sensor is installed in the cold end cooling fin and used for detecting the temperature of the cold end cooling fin.
, the cold and hot air duct system further comprises a control assembly, the temperature sensor is electrically connected to the control assembly and used for feeding back the detected temperature of the cold end cooling fin to the control assembly, and the control assembly is used for adjusting the temperature of the refrigerating fin according to the feedback temperature of the temperature sensor.
And , electrically connecting the hot air fan and the cold air fan to the control assembly, wherein the control assembly is further used for adjusting the rotating speed of the hot air fan and the rotating speed of the cold air fan according to the feedback temperature of the temperature sensor.
The hot air fan is an induced draft fan, the induced draft fan is fixed to the end of the th through hole, and the other end of the th through hole is a hot air inlet;
the cold air fan is a blowing fan which is fixed at the end of the second through hole, and the other end of the second through hole is a cold air outlet.
The hot air fan and the cold air fan are both air extracting fans, wherein the hot air fan is fixed at the end of the th through hole, and the other end of the th through hole is a hot air inlet;
the cold air fan is fixed on the end of the second through hole, and the other end of the second through hole is an air inlet.
The hot air fan and the cold air fan are blowing fans, the hot air fan is fixed at the end of the th through hole, and the other end of the th through hole is a hot air outlet;
the cold air fan is fixed on the end of the through hole, and the other end of the second through hole is a cold air outlet.
The hot air fan is a blowing fan, the blowing fan is fixed on the end of the th through hole, and the other end of the th through hole is a hot air outlet;
the cold air fan is an exhaust fan, the exhaust fan is fixed to the end of the through hole, and the other end of the second through hole is an air inlet.
The invention also provides an gene sequencer, which comprises a temperature control device and a sequencing reaction chamber and is characterized in that the temperature control device comprises a cold and hot air duct system for regulating the temperature of the sequencing reaction chamber, and the cold and hot air duct system comprises a hot air device, a cold air device and a temperature regulating device;
the hot air device comprises a hot air fan, a hot end radiating fin and a hot air channel, the hot air channel is an th through hole arranged in the hot end radiating fin, the hot air fan is fixed at the end of the th through hole, and the hot air fan is used for discharging hot air in the hot air channel;
the cold air device comprises a cold air fan, a cold end radiating fin and a cold air channel, the cold air channel is a second through hole formed in the cold end radiating fin, the cold air fan is fixed to the end of the second through hole, and the cold air fan is used for blowing cold air in the cold air channel;
the temperature adjusting device comprises a refrigerating piece, wherein the surface of the refrigerating piece is tightly attached to the hot-end radiating piece, and the other end of the refrigerating piece is tightly attached to the cold-end radiating piece.
The temperature adjusting device further comprises heat insulation cotton, the heat insulation cotton is arranged between the hot end radiating fins and the cold end radiating fins, a plurality of through holes are formed in the heat insulation cotton, and refrigerating fins are embedded into each through hole.
The temperature adjusting device further comprises a temperature sensor, and the temperature sensor is installed in the cold end cooling fin and used for detecting the temperature of the cold end cooling fin.
, the cold and hot air duct system further comprises a control assembly, the temperature sensor is electrically connected to the control assembly and used for feeding back the detected temperature of the cold end radiating fin to the control assembly, the control assembly is used for adjusting the temperature of the refrigerating fin according to the feedback temperature of the temperature sensor, the hot air fan and the cold air fan are both electrically connected to the control assembly, and the control assembly is further used for adjusting the rotating speeds of the hot air fan and the cold air fan according to the feedback temperature of the temperature sensor.
The hot air fan is an induced draft fan, the induced draft fan is fixed to the end of the th through hole, and the other end of the th through hole is a hot air inlet;
the cold air fan is a blowing fan which is fixed at the end of the second through hole, and the other end of the second through hole is a cold air outlet.
, the gene sequencer further comprises a air duct for guiding hot air exhausted by the induced draft fan or cold air exhausted by the cold air fan to the sequencing reaction chamber.
From the above, in the cold and hot air duct system, when the temperature is reduced, the area needing to be reduced is cooled by the cold air of the cold air device, and meanwhile, the hot air in the area and the hot air in the hot air device are discharged by the hot air device, so that the influence of the hot air in the hot air device on the temperature reduction is avoided; when the temperature is raised, the temperature of the area needing to be raised is raised through hot air of the hot air device, and meanwhile, cold air in the area and cold air in the cold air device are discharged through the cold air device, so that the influence of the cold air in the cold air device on the temperature rise is avoided; the invention realizes the adjustment of the area temperature by combining the two schemes, the temperature adjustment is quicker, and the efficiency of temperature rise and reduction is improved.
Drawings
Fig. 1 is a schematic structural diagram of a cold and hot air duct system according to embodiment of the present invention.
Fig. 2 is a schematic structural diagram of exemplary insulating cotton and refrigerating sheets according to the present invention.
Fig. 3 is a schematic block diagram of example temperature adjustment devices of the present invention.
FIG. 4 is a schematic diagram of another exemplary HVAC duct systems according to the present invention.
FIG. 5 is a schematic diagram of another exemplary HVAC duct systems according to the present invention.
FIG. 6 is a schematic diagram of another exemplary HVAC duct systems according to the present invention.
FIG. 7 is a schematic diagram of another exemplary HVAC duct systems according to the present invention.
FIG. 8 is a schematic view showing the structure of a gene sequencer according to a second embodiment of the present invention.
FIG. 9 is a schematic diagram showing the structure of the gene sequencer used in examples of the present invention.
FIG. 10 is a schematic diagram of the structure of another examples of the gene sequencer according to the present invention.
Fig. 11 is a schematic block diagram of another example temperature adjustment devices of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in with reference to the accompanying drawings and examples.
The invention provides an embodiment, as shown in fig. 1, kinds of cold and hot air duct systems include a hot air device 10, a cold air device 20, and a temperature adjustment device 30, where the hot air device 10 includes a hot air fan 101, a hot-end heat sink 102, and a hot air duct 103, the hot air duct 103 is a th through hole disposed inside the hot-end heat sink 102, the hot air fan 101 is fixed at a end of the th through hole, the hot air fan 101 is used for discharging hot air in the hot air duct 103, the cold air device 20 includes a cold air fan 201, a cold-end heat sink 202, and a cold air duct 203, the cold air duct 203 is a second through hole disposed inside the cold-end heat sink 202, the cold air fan 201 is fixed at a end of the second through hole, the cold air fan 201 is used for blowing cold air in the cold air duct 203, the temperature adjustment device 30 includes a refrigeration sheet, a surface of the refrigeration sheet is closely attached to the hot-end heat sink 102, and another end of the refrigeration.
In the present example, the upper surface of the cooling fin is tightly attached to the hot-end cooling fin 102, the lower surface of the cooling fin is tightly attached to the cold-end cooling fin 202, the upper surface of the cooling fin heats, and the lower surface of the cooling fin refrigerates, after the temperature of the hot-end cooling fin 102 is increased, the temperature of the air in the hot air duct 103 is increased, and simultaneously, the temperature of the air in the cold air duct 203 is decreased, due to the effects of the hot air fan 101 and the cold air fan 201, the hot air in the hot air duct 103 and the cold air in the cold air duct 203 flow in the direction , so as to achieve the purpose of heating or cooling, for example, in the present example, the hot air fan 101 causes the air in the hot air duct 103 to flow from right to left, the fan 201 causes the air in the cold air duct 203 to flow from left to right, when a certain region is required to cool, the cold air flows from right to the cold air in the cold air duct 203 through the cold air duct 203, and the cold air conditioning surface is heated by the cooling device, and the cooling device 20, when the temperature of the cooling area is required for the cooling, the cooling area, the cooling air is required by the cooling air conditioning device, the cooling air, the cooling device is not only when the cooling device, the.
As shown in fig. 2, for the temperature adjusting device 30, based on the above example, the present invention further provides a example, where the temperature adjusting device 30 further includes a thermal insulation cotton 302, the thermal insulation cotton 302 is disposed between the hot-end heat sink 102 and the cold-end heat sink 202, the thermal insulation cotton 302 is used to isolate the hot-end heat sink 102 from the cold-end heat sink 202, so that an upper surface of the thermal insulation cotton 302 completely coincides with a lower surface of the hot-end heat sink 102, and a lower surface of the thermal insulation cotton 302 completely coincides with an upper surface of the cold-end heat sink 202, in this example, the thermal insulation cotton 302 is square, but the shape and size of the thermal insulation cotton 302 are determined according to the shapes of the hot-end heat sink 102 and the cold-end heat sink 202, as shown in fig. 2, two through holes are disposed on the thermal insulation cotton 302, and the refrigeration fins 301 are respectively embedded in the through holes , the thickness of the thermal insulation cotton 302 is equivalent to the thickness of the refrigeration sheet 301, so that the refrigeration sheet 301 is attached to the hot-end heat sink 102 and the cold-end heat sink 202, so that the refrigeration sheet 301 is attached to the refrigeration sheet 301, and the refrigeration sheet 301 are disposed on the cold-end heat sink 301, and the refrigeration sheet 301 are disposed on the refrigeration sheet 301, and the refrigeration sheet may be closely attached to avoid the refrigeration sheet 301, and the refrigeration sheet 301.
For the temperature adjustment device 30, a example is also provided in the present invention, the temperature adjustment device 30 further includes a temperature sensor, and the temperature sensor is installed inside the cold-side cooling fin 202 and is used for detecting the temperature of the cold-side cooling fin 202, as shown in fig. 3, a schematic block diagram of the temperature adjustment device 30 for temperature adjustment is provided, in this example, the cold and hot air duct system further includes a control component, the temperature sensor, the cooling fin 301 and the cold air fan 201 are all electrically connected to the control component, after the temperature sensor detects the temperature of the cold-side cooling fin 202, the temperature T1 of the cold-side cooling fin 202 is fed back to the control component, , as in the same way, an initial temperature T2 is set in the control component, when the temperature sensor feeds back the temperature T1 of the cooling fin 202 to the control component, the control component compares the initial temperature T2 with the temperature T1 of the cold-side cooling fin 202, if T1 is not greater than T2, it is stated that the cooling fin 301 and the cold air fan 201 are both in a normal operating state, if T1 is greater than T2, the temperature of the cold-side cooling fin 202, the temperature of the cooling fin 202 is increased, the cooling fan is increased, the control component is controlled by the cold air duct system, the temperature of the cold-cooling fin 202, the cold air duct system is controlled by the cold air duct temperature detection process, the cold air fan 301, the cold air duct system, the cold air fan is increased, the temperature detection process, the cold air duct temperature detection process is increased, the cold air duct temperature detection process is increased, the cold air fan temperature detection process is increased, the cold air temperature detection process is increased, the temperature detection process is also achieved by the cold air cooling fan temperature detection process of the cold air cooling fan 201, the cold air.
As shown in fig. 4, for the cold and hot air duct system, the present invention further provides a example, where the cold and hot air duct system includes a hot air device 10, a cold air device 20, and a temperature adjustment device 30, the hot air device 10 includes a hot air fan 101, a hot end heat sink 102, and a hot air duct 103, the hot air duct 103 is a second through hole disposed inside the hot end heat sink 102, the hot air fan 101 is fixed to a end of a th through hole, the hot air fan 101 is used for discharging hot air in the hot air duct 103, the cold air device 20 includes a cold air fan 201, a cold end heat sink 202, and a cold air duct 203, the cold air duct 203 is a second through hole disposed inside the cold end heat sink 202, the cold air fan 201 is fixed to a end of the second through hole, the fan 201 is used for blowing in the cold air duct 203, the temperature adjustment device 30 includes a cooling fin 301, a cold end end of the cooling fin 301 is closely attached to the cold end 202, a cold air outlet of the cold air fan 101 is fixed to the cold air duct 101, and a cold air outlet of the cold air duct structure 105 is used for adjusting the temperature of the cold air duct system, and the cold air duct inlet 5 is a cold air duct inlet structure of the cold air duct 20, and the cold air duct structure 105, and the cold air duct structure is shown in the cold air duct inlet structure that the cold air duct 104 is not shown in the cold air duct inlet 9, and the cold air duct structure that the cold air duct structure is shown in the cold air duct inlet 9, and the cold air duct inlet 9.
As shown in FIG. 5, for the cold and hot air duct system, the present invention further provides a example, the cold and hot air duct system comprises a hot air device 10, a cold air device 20 and a temperature adjustment device 30, wherein the structures of the cold air device 20 and the temperature adjustment device 30 are the same as those in the example of FIG. 4, and are not described in detail in the example, the hot air fan 101 and the cold air fan 201 are blowing fans, the hot air fan 101 is fixed to the end of the th through hole, the end of the th through hole is a hot air outlet 106, the cold air fan 201 is fixed to the end of the 465 th through hole, and the end of the second through hole is a cold air outlet 107. in the example illustrated in FIG. 4, the hot air fan 101 and the fan 201 are located on the same side as the temperature adjustment device 30, but in the example, the hot air fan 101 is a blowing fan, and the hot air fan 101 and the fan 201 are located on both sides of the temperature adjustment device 30, the hot air duct 103, the cold air outlet 106 is capable of blowing fan, and the hot air outlet 21 is capable of blowing fan, and the hot air outlet 20 and the cold air duct system is capable of blowing fan 101 and the cold air outlet 21, thereby, when the hot air conditioning area is heated, the hot air outlet 20 and the cold air outlet is heated area, the cold air duct area, the cold air outlet is heated area, the cold air outlet area is heated area, the cold air outlet area is heated area, the cold air outlet area is heated area, the cold air outlet area is heated area, the cold air outlet area, the area is heated area, the area is heated area, the cold air area is heated area, the area is heated area, the cold air outlet area is heated area, the area is heated area, the area is heated area, the area is heated.
As shown in fig. 6, for the cold and hot air duct system, the present invention further provides example, the cold and hot air duct system includes a hot air device 10, a cold air device 20 and a temperature adjustment device 30, wherein the structures of the hot air device 10 and the temperature adjustment device 30 are completely the same as those in the example shown in fig. 4, in this example, the hot air fan 101 and the cold air fan 201 are both air draft fans, wherein the hot air fan 101 is fixed on the end of the through hole, the other end of the 1 through hole is a hot air inlet 108, the cold air fan 201 is fixed on the end of the second through hole, the other end of the second through hole is an air inlet 109, when a area needs to be cooled, the end of the cold air fan 201 is disposed in the area, the cold air fan 201 discharges the cold air in the cold air duct 203 into the area, the cold air is cooled by the cold air, and when a area needs to be heated, the cold air is discharged in the warm air duct area, the warm air inlet 101 and the cold air outlet area is combined with the cold air inlet 103, the warm air conditioning fan 101, the cold air is discharged by the warm air inlet 109, and the warm air inlet 101, the warm air outlet area is increased by the warm air inlet 103, and the warm air conditioning fan 201, the warm air conditioning area is discharged by the warm air inlet 103, and the warm air conditioning area is increased by the warm air discharging area, and the warm air inlet 103, and the warm
As shown in FIG. 7, for the cold and hot air duct system, the present invention further provides a example, the cold and hot air duct system includes a hot air device 10, a cold air device 20 and a temperature adjustment device 30, wherein the structure of the hot air device 10 is the same as that in the example shown in FIG. 5, the structures of the cold air device 20 and the temperature adjustment device 30 are the same as that in the example shown in FIG. 6. in this example, the hot air fan 101 is a blowing fan fixed to the 0 end of the through hole , the other end of the through hole 1 is the hot air outlet 110, the cold air fan 201 is an exhausting fan fixed to the end of the through hole, the other end of the second through hole is the air inlet 111. when a certain area needs to be cooled, the end of the cold air fan 201 is disposed in the area, the cold air fan exhausts the cold air in the cold air duct 203 to the area, the cold air is cooled by the cold air, and the hot air in the area is exhausted from the hot air outlet 103 to the cold air duct 110, and the hot air duct 110, and the cold air outlet is exhausted from the cold air duct 201, and the hot air duct area, and the hot air outlet 103, and the cold air duct area is exhausted from the hot air conditioning area when the hot air duct area, the hot air conditioning efficiency of the cold air duct is increased, the cold air duct area, the cold air outlet 103, and the cold air duct area is increased, and the cold air duct area, and the cold air conditioning area, and the cold air outlet area is increased, and the cold air outlet area , and the hot air conditioning area.
In the examples illustrated in fig. 4 to 7, the upper surface of the cooling plate 301 of the temperature adjustment device 30 is a heating surface, and the lower surface of the cooling plate 301 is a cooling surface; however, by changing the current direction of the refrigeration sheet 301, the heating surface and the refrigeration surface of the refrigeration sheet 301 can be controlled, and when the refrigeration sheet 301 is powered on in the forward direction, the upper surface of the refrigeration sheet 301 is the heating surface, and the lower surface of the refrigeration sheet 301 is the refrigeration surface; when the power is reversely turned on, the upper surface of the cooling plate 301 is a cooling surface, and the lower surface thereof is a heating surface. For example, in the example shown in fig. 4, after the voltage is applied in the reverse direction, the cooling surface and the heating surface of the cooling plate 301 are exchanged, so that the hot air device 10 and the cold air device 20 are exchanged, and the structure of the hot and cold air duct system is the same as the example shown in fig. 7.
In addition, the invention provides a second embodiment, in the embodiment, as shown in fig. 8, gene sequencer includes a temperature control device and a sequencing reaction chamber 40, the temperature control device includes a cold-hot air duct system for adjusting the temperature of the sequencing reaction chamber 40, the cold-hot air duct system is described in detail in the above examples, so in the embodiment, the structure of the cold-hot air duct system is not described in detail, it should be noted that the cold-hot air duct system in the above examples can be applied to the embodiment, the embodiment is described by only selecting the example shown in fig. 4, as shown in fig. 8, the cold-hot air duct system includes a hot air device 10, a cold air device 20 and a temperature adjusting device 30, the hot air device 10 includes a hot air fan 101, a hot end 102 and a hot air duct 103, the hot air duct 103 is a through hole arranged inside the hot end radiating fin 102, the hot air fan 101 is fixed at a end of a through hole , the hot air fan 101 is used for exhausting hot air from the hot air duct 103, the hot air duct 201 is fixed at a cold end of a cold end 201, the cold air duct 201 is fixed at a cold end 201 of a cold air inlet port 201 of a cold air duct 201, the cold air inlet port 201 of a cold air cooling fan 201, the cold air duct 201, the cold air inlet port 201 of a cold air inlet port 201 fan 201, the cold air inlet port 201 of a cold air inlet port 201 fan 201 of a cold air inlet port 201.
In the embodiment, as shown in FIG. 8, the gene sequencer comprises a -enclosed casing 50, the temperature control device and the sequencing reaction chamber 40 are both arranged inside the casing 50, of course, the gene sequencer also comprises other components, but are omitted in this embodiment, the cold and hot air duct system is fixed on the top of the casing, but the position of the cold and hot air duct system can be set according to actual needs, the sequencing reaction chamber 40 is arranged at the bottom of the casing 50, the sequencing reaction chamber 40 is used for sequencing reaction, is similar to the temperature of the inside of the gene sequencer needs to be lower than the temperature of the external environment, cold air flowing from left to right inside the cold air duct 203 is discharged from a cold air outlet 105 at the right end of the cold air duct 203 to reduce the temperature inside the gene sequencer, meanwhile, the air inside the gene sequencer enters the hot air duct 103 from a hot air inlet 104 at the right end of the hot air duct 103, the gene sequencer is discharged under the action of a hot air fan 101, the heat generated by the temperature regulating device 30 improves the temperature of the air in the hot air duct 103, the hot sequencing air enters the hot air duct 103 under the action of the sequencing fan, the effect of reducing the temperature of the gene sequencer, and the temperature of the gene sequencer is reduced by the internal cooling effect of the internal cooling of the cold air, and the internal cooling device, and the gene sequencer, the internal cooling device, the gene sequencer is improved by the internal cooling effect of the internal cooling device, and the internal cooling device.
In the prior art, sequencing reaction chambers are all provided with refrigeration sheets, the sequencing reaction chambers are heated through the refrigeration sheets, the temperature of the sequencing reaction chambers is increased, the temperature of the sequencing reaction chambers meets the requirement of sequencing reaction, and after the sequencing reaction is completed, the sequencing reaction chambers are placed inside a gene sequencer and are naturally cooled, so that the cooling time is long, and the efficiency is low.
As shown in FIG. 10, for the gene sequencer, based on the embodiment shown in FIG. 8, the present invention further provides an example, in which the structures of the temperature control device, the sequencing reaction chamber 40 and the housing 50 are the same as those of the example shown in FIG. 8, and therefore, detailed description is omitted in this example, the gene sequencer further includes a air duct 60 for guiding hot air exhausted from the exhaust fan to the sequencing reaction chamber 40. in the specific case of , the space inside the gene sequencer needs to be cooled, but the temperature of the sequencing reaction chamber 40 needs to be raised, in this case, the cooling fins of the sequencing reaction chamber 40 heat the sequencing reaction chamber, in addition, the position of the air exhausted from the hot air duct 103 can be aligned to the sequencing reaction chamber 40, the hot air exhausted from the hot air duct 103 raises the temperature of the sequencing reaction chamber 40, and the effect of the cold air duct 40 on the cold air cooling and hot air exhausting of the sequencing reaction chamber 40 is reduced due to the effect of the cold air duct 203, the temperature of the hot air duct 40 is raised, the temperature of the sequencing reaction chamber 40 is raised, the hot air duct 40 is raised, the effect of the cold air on the cold air cooling and the hot air duct 20 is prevented from the cold air duct 40, the cold air duct 20 is raised, the hot air exhaust of the hot air duct 40, the cold air exhaust system, the temperature of the cold air cooling and the cold air exhaust system, the cold air exhaust system is raised, the cold air exhaust system, the temperature of the cold air exhaust system, the cold air exhaust system is raised, the cold air exhaust system, the temperature of the cold air exhaust system, the cold air exhaust system is raised, the temperature of the cold air exhaust system, the cold air exhaust.
In addition, on the basis of the example shown in fig. 8, 9 or 10, the temperature control device further comprises a temperature sensor arranged inside the housing 50 and a second temperature sensor arranged in the sequencing reaction chamber 40, the temperature sensor is used for detecting the temperature inside the housing 50, the second temperature sensor is used for detecting the temperature of the sequencing reaction chamber 40, and the temperature sensor and the second temperature sensor are both electrically connected to the control component, as shown in fig. 11, the process of detecting the temperature of the cold-side heat sink 202 for the temperature sensor and controlling the cooling fin 301, the cold-side fan 201 and the hot-air fan 101 is described in the above example and is not repeated here, the temperature sensor detects the temperature inside the housing 50, so that the temperature inside the housing 50 is within a certain range, when the temperature inside the housing 50 is higher than the maximum value of the set temperature, the temperature sensor sends the detected temperature to the control component, the control component increases the power of the cooling fin 301, increases the sequencing fan 201 and the sequencing fan 101, thereby reducing the temperature of the air flowing into the housing 50 when the temperature of the housing 50 reaches the temperature of the cooling fan 50, the cooling fan is lower than the temperature of the cooling fan 20, the cooling fan 50, the temperature control component 20 is increased, the temperature of the cooling fan 50, the cooling fan is increased, the cooling fan 101, the cooling fan 50, the temperature control component is increased, the cooling fan 50, the cooling fan is increased, the temperature of the cooling fan 101 is increased, the cooling fan 50, the cooling fan is increased, the cooling fan 50, the temperature control component, the temperature of the cooling fan 101 is increased, the temperature of the cooling fan 50 is increased, the temperature of the cooling fan 50 is increased, the reaction chamber, the temperature of the reaction chamber, the temperature of the reaction chamber, the reaction chamber 40 is increased, the reaction chamber, the temperature of the reaction chamber is increased, the reaction chamber, the reaction.
In addition, in the schemes shown in fig. 9 and 10, the heating or cooling of the sequencing reaction chamber 40 can be realized by changing the current direction of the cooling plate under the control of the control assembly. For example, in the example shown in fig. 9, after the direction of the current flowing through the cooling fins is changed, the upper surface of the cooling fins is cooled, and the lower surface of the cooling fins is heated, so that the air blown into the sequencing reaction chamber 40 through the air guide duct 60 is hot air, thereby heating the sequencing reaction chamber. In the example shown in fig. 10, after the current direction of the cooling plate is changed, the upper surface of the cooling plate cools, the lower surface of the cooling plate heats, and the air blown into the sequencing reaction chamber 40 through the air guide duct 60 is cold air, so that the cooling of the sequencing reaction chamber 40 is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1, kinds of cold and hot air duct system, wherein the said system includes the hot-blast apparatus, cold wind device and temperature control device;
the hot air device comprises a hot air fan, a hot end radiating fin and a hot air channel, the hot air channel is an th through hole arranged in the hot end radiating fin, the hot air fan is fixed at the end of the th through hole, and the hot air fan is used for discharging hot air in the hot air channel;
the cold air device comprises a cold air fan, a cold end radiating fin and a cold air channel, the cold air channel is a second through hole formed in the cold end radiating fin, the cold air fan is fixed to the end of the second through hole, and the cold air fan is used for blowing cold air in the cold air channel;
the hot air fan is an induced draft fan, the induced draft fan is fixed at the end of the th through hole, and the other end of the th through hole is a hot air inlet;
the cold air fan is a blowing fan which is fixed at the end of the second through hole, and the other end of the second through hole is a cold air outlet;
the temperature adjusting device comprises a refrigerating piece, wherein the surface of the refrigerating piece is tightly attached to the hot-end radiating piece, and the other end of the refrigerating piece is tightly attached to the cold-end radiating piece;
the heating surface and the refrigerating surface of the refrigerating sheet can be controlled by changing the current direction of the refrigerating sheet, and when the refrigerating sheet is electrified in the forward direction, the upper surface of the refrigerating sheet is the heating surface, and the lower surface of the refrigerating sheet is the refrigerating surface; when the power is reversely electrified, the upper surface of the refrigerating sheet is a refrigerating surface, and the lower surface of the refrigerating sheet is a heating surface;
the temperature adjusting device further comprises heat insulation cotton, the heat insulation cotton is arranged between the hot end radiating fins and the cold end radiating fins, a plurality of through holes are formed in the heat insulation cotton, and refrigerating fins are embedded into each through hole.
2. The hot and cold air duct system according to claim 1, wherein the temperature adjustment device further comprises a temperature sensor mounted in the cold side heat sink for detecting the temperature of the cold side heat sink.
3. A cold-hot air duct system according to claim 2, further comprising a control unit, wherein the temperature sensor is electrically connected to the control unit, and the temperature sensor is configured to feed back the detected temperature of the cold-end heat sink to the control unit; the control assembly is used for adjusting the temperature of the refrigerating sheet according to the feedback temperature of the temperature sensor.
4. The hot and cold air duct system according to claim 3, wherein the hot air fan and the cold air fan are electrically connected to the control unit, and the control unit is further configured to adjust the rotation speed of the hot air fan and the cold air fan according to the feedback temperature of the temperature sensor.
The gene sequencer of kinds comprises a temperature control device and a sequencing reaction chamber, and is characterized in that the temperature control device comprises a cold and hot air duct system for adjusting the temperature of the sequencing reaction chamber, and the cold and hot air duct system comprises a hot air device, a cold air device and a temperature adjusting device;
the hot air device comprises a hot air fan, a hot end radiating fin and a hot air channel, the hot air channel is an th through hole arranged in the hot end radiating fin, the hot air fan is fixed at the end of the th through hole, and the hot air fan is used for discharging hot air in the hot air channel;
the cold air device comprises a cold air fan, a cold end radiating fin and a cold air channel, the cold air channel is a second through hole formed in the cold end radiating fin, the cold air fan is fixed to the end of the second through hole, and the cold air fan is used for blowing cold air in the cold air channel;
the temperature adjusting device comprises a refrigerating piece, wherein the surface of the refrigerating piece is tightly attached to the hot-end radiating piece, and the other end of the refrigerating piece is tightly attached to the cold-end radiating piece.
6. The gene sequencer of claim 5, wherein the temperature control device further comprises thermal insulation cotton, the thermal insulation cotton is arranged between the hot-end cooling fin and the cold-end cooling fin, a plurality of through holes are formed in the thermal insulation cotton, and refrigerating fins are embedded in each through hole.
7. The gene sequencer of claim 5, wherein the temperature regulating device further comprises a temperature sensor mounted within the cold side heat sink for detecting the temperature of the cold side heat sink.
8. The gene sequencer of claim 7, wherein the hot and cold air duct system further comprises a control component, the temperature sensor is electrically connected to the control component, and the temperature sensor is configured to feed back the detected temperature of the cold side heat sink to the control component; the control assembly is used for adjusting the temperature of the refrigerating sheet according to the feedback temperature of the temperature sensor; the hot air fan and the cold air fan are both electrically connected to the control assembly, and the control assembly is further used for adjusting the rotating speeds of the hot air fan and the cold air fan according to the feedback temperature of the temperature sensor.
9. The gene sequencer of claim 5, wherein the hot air fan is an induced draft fan fixed to the end of the th through hole, and the other end of the th through hole is a hot air inlet;
the cold air fan is a blowing fan which is fixed at the end of the second through hole, and the other end of the second through hole is a cold air outlet.
10. The gene sequencer of claim 9, further comprising air ducts for guiding hot air from a hot air fan or cold air from a cold air fan to the sequencing reaction chamber.
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| CN201511010309.XA CN106929407B (en) | 2015-12-30 | 2015-12-30 | Cold and hot air duct system and gene sequencer |
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| CN201511010309.XA CN106929407B (en) | 2015-12-30 | 2015-12-30 | Cold and hot air duct system and gene sequencer |
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| CN109682754B (en) * | 2017-10-19 | 2021-10-01 | 中国石油化工股份有限公司 | Multi-channel stability analyzer |
| CN113067963B (en) * | 2019-12-31 | 2022-07-19 | 杭州海康威视数字技术股份有限公司 | Camera and refrigerating device thereof |
| CN112407615A (en) * | 2020-11-23 | 2021-02-26 | 石家庄禾柏生物技术股份有限公司 | Condensed water collecting system |
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