CN113462549B - Application to CO2Heat conduction device of incubator - Google Patents

Application to CO2Heat conduction device of incubator Download PDF

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Publication number
CN113462549B
CN113462549B CN202110717427.3A CN202110717427A CN113462549B CN 113462549 B CN113462549 B CN 113462549B CN 202110717427 A CN202110717427 A CN 202110717427A CN 113462549 B CN113462549 B CN 113462549B
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temperature
heating wire
power
water
central controller
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CN113462549A (en
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毒岛弘树
刘发柱
战雷
刘锦洋
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Bingshan Songyang Biotechnology Dalian Co ltd
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Bingshan Songyang Biotechnology Dalian Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
    • C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
    • C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Abstract

The invention relates to a method for applying to CO2The heat conduction device of the incubator respectively detects the water temperature in the humidifying disc and the temperature and the humidity in the inner box body in real time by arranging the first temperature and humidity sensor and the second temperature and humidity sensor, and the cooling fins are arranged to cool the humidifying disc in real time, the temperature to be maintained in the inner box body is combined with the coefficient of the humidifying disc determined by the humidity difference value of the real-time humidity difference value and the preset humidity difference value in the inner box body, the temperature of the water in the humidifying disc which needs to be maintained is determined in real time, and the temperature of the humidifying disc which is determined in real time is compared with the actual water temperature of the humidifying disc, the power of the first heating wire is adjusted according to the difference value, and then the difference value between the height of the water level in the real-time humidifying disc and the preset height is used, the power of the first heating wire is corrected, so that the supersaturated water vapor returns to the humidifying disc, and the effect of inhibiting condensation is achieved.

Description

Application to CO2Heat conduction device of incubator
Technical Field
The invention relates to the technical field of incubators, in particular to a culture box applied to CO2Heat conduction device of incubator.
Background
A water disk for humidification and a heating wire for heating the incubator are arranged in a common incubator, the incubator is heated by controlling the power of the heating wire, so that the temperature in the incubator reaches a set temperature, generally 37 ℃, and meanwhile, the water in the water disk is evaporated into water vapor by the heating wire, so that the humidity in the incubator reaches a certain degree, generally 91% to 95% RH. However, at this time, the humidity in the chamber is close to the density of saturated water vapor, and is generally 91% to 95% RH, and when the temperature in the chamber is slightly changed, the humidity in the chamber easily reaches a supersaturated water vapor state (95% RH or more), and the cell culture is affected.
The prior art still lacks of CO2The heat conduction device of incubator can be when the temperature in the internal box changes, the temperature in the dish that adds humidity of accurate adjustment to humidity and temperature in the adjustment internal box.
Disclosure of Invention
Therefore, the invention provides a method for applying to CO2Heat conduction device of incubator for overcoming CO in prior art2The heat conduction device of incubator can be when the temperature in the internal box changes, the temperature in the dish that adds humidity of accurate adjustment to the problem of humidity and temperature in the adjustment internal box.
In order to achieve the above object, the present invention provides a method for CO application2The heat conducting device of the incubator comprises an outer box body;
the inner box body is arranged inside the outer box body, a cavity of the incubator is arranged inside the inner box body, and a second temperature and humidity sensor is arranged in the inner box body and used for detecting the temperature and humidity in the cavity of the inner box body;
the humidifying disc is arranged at the bottom of the inner box body, a first temperature and humidity sensor is arranged on the humidifying disc and used for detecting the temperature of water in the humidifying disc, an atomizing component is arranged on the humidifying disc and used for atomizing and humidifying the water in the humidifying disc, and a water level sensor is arranged in the humidifying disc and used for detecting the water level of the water in the humidifying disc;
the first heating wire is arranged below the humidifying disc, and the first heating wire is arranged on the outer side of the bottom of the inner box body and used for heating the humidifying disc;
the second heating wire is arranged on the outer side of the inner box body and comprises a top heating section, a side heating section and a bottom heating section, and the second heating wire is used for heating the inner box body so that the temperature in the inner box body reaches a preset temperature;
the second heat insulation material is arranged in the outer box body, and comprises a top heat insulation material, a side heat insulation material and a bottom heat insulation material, and is used for isolating room temperature and preserving heat of the inner box body;
the first heat insulation material is arranged on the outer side of the bottom of the inner box body, a second through hole is formed in the bottom heat insulation plate, and the first heat insulation material is nested in the second through hole of the bottom heat insulation material;
the radiating fins are arranged on the outer side of the bottom of the humidifying disc and are embedded in the first through holes in the first heat insulation material, and the radiating fins are used for radiating heat in the area below the humidifying disc through the radiating fins;
the central controller is connected with the first heating wire and used for controlling the working power of the first heating wire so as to adjust the temperature of water in the humidifying disc, and the central controller is connected with the second heating wire and used for controlling the working power of the second heating wire so as to adjust the temperature of the water in the humidifying disc;
the central controller is based on CO2The temperature to be maintained in the inner box body of the incubator is combined with the coefficient alpha of the humidifying disc determined by the comparison result of the real-time humidity in the inner box body, the maximum humidity difference value to be maintained and the preset humidity difference value, and the temperature to be maintained of the water in the humidifying disc is calculated;
the central controller adjusts the power of the first heating wire according to the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature of the water in the humidifying disc required to be maintained, and does not adjust the working parameters of the first heating wire if the real-time temperature of the water in the humidifying disc is equal to the temperature of the humidifying disc required to be maintained;
if the real-time temperature of the water in the humidifying disc is higher than the temperature required to be maintained by the humidifying disc, the central controller reduces the power of the first heating wire, compares the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature required to be maintained by the water in the humidifying disc with a preset temperature difference, and determines the power adjusted by the first heating wire;
if the real-time temperature of the water in the humidifying disc is lower than the temperature required to be maintained by the humidifying disc, the central controller increases the power of the first heating wire, compares the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature required to be maintained by the water in the humidifying disc with a preset temperature difference, and determines the power adjusted by the first heating wire;
the central controller compares the water level information transmitted by the water level sensor in real time with a preset water level height value, corrects the power of the first heating wire after adjustment according to the comparison result to obtain the corrected heating power of the first heating wire, and the controller operates according to the corrected heating power of the first heating wire.
Further, the central controller is based on CO2The temperature to be maintained in the inner box body of the incubator determines the temperature to be maintained in the water in the humidifying disc,
Ta＝α×Tb
wherein Ta represents the temperature required to be maintained in the inner box body, Tb represents the temperature required to be maintained by the water in the humidifying disc, and alpha represents the water temperature coefficient of the humidifying disc.
Further, humidity difference values Sc1, Sc2, Sc3, … and Scn are preset in the central controller, wherein Sc1 represents a first preset humidity difference value, Sc2 represents a second preset humidity difference value, Sc3 represents a third preset humidity difference value, Scn represents an nth preset humidity difference value, Sc1 < Sc2 < Sc3 < Scn, and n is set to be a positive number;
the central controller is internally preset with water temperature coefficient values alpha 1, alpha 2, alpha 3, … and alpha n of the humidifying disc, wherein alpha 1 represents a first preset water temperature coefficient value of the humidifying disc, alpha 2 represents a second preset water temperature coefficient value of the humidifying disc, alpha 3 represents a third preset water temperature coefficient value of the humidifying disc, alpha n represents a water temperature coefficient value of the nth preset humidifying disc, and alpha 1 is more than 0 and less than alpha 2 and less than alpha 3 and less than alpha n and less than 1.
Further, the central controller determines the coefficient alpha of the humidifying disc according to the humidity difference between the humidity difference and a preset humidity difference, sets the real-time humidity value of the inner box body to be Sx, the lowest humidity value required to be maintained by the humidity in the inner box body to be Smin, sets the highest humidity value required to be maintained by the humidity in the inner box body to be Smax, and determines the coefficient alpha of the humidifying disc by using the humidity difference of | Sx-Smax | as the humidity,
if the value of the absolute value Sx-Smax is less than or equal to Sc1, the central controller determines that the value of the coefficient of the humidifying disc is alpha 1;
if Sc1 < | Sx-Smax | ≦ Sc2, the central controller determines that the value of the coefficient of the humidifying disc is alpha 2;
if Sc2 < | Sx-Smax | ≦ Sc3, the central controller determines that the value of the coefficient of the humidifying disc is alpha 3;
if Sc (n-1) < | Sx-Smax | ≦ Scn, the central controller determines that the value of the coefficient of the humidifying disc is alphan;
the central controller determines the coefficient value of the humidifying disc according to the humidity difference value between the real-time humidity and the highest humidity value required to be maintained by the inner box body, and the larger the humidity difference value is, the larger the coefficient value of the humidifying disc is.
Further, the central controller calculates the temperature Tb to be maintained by the water in the humidifying disc according to the coefficient value alpha i of the humidifying disc determined in real time and the temperature Ta to be maintained in the inner box body, and sets i to be 1, 2, 3, … and n;
the central controller adjusts the working parameters of the first heating wire according to the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature required to be maintained by the water in the humidifying disc, if the real-time temperature Tbx of the water in the humidifying disc is equal to the temperature Tb required to be maintained by the humidifying disc, the central controller does not adjust the working parameters of the first heating wire, and the real-time temperature of the water in the humidifying disc is set to be Tbx;
the power P1, P2, P3, … and Pn of the heating wires are preset in the central controller, wherein P1 represents the power of the first preset heating wire, P2 represents the power of the second preset heating wire, P3 represents the power of the third preset heating wire, and Pn represents the power of the nth preset heating wire.
Further, when the first heating wire is adjusted, if the real-time temperature Tbx of the water in the humidifying disc is greater than the temperature Tb that the humidifying disc needs to maintain, the central controller reduces the power of the first heating wire, sets the current power of the first heating wire to Pi, sets the first temperature difference of the water in the humidifying disc to T1, sets the first temperature difference of the water in the humidifying disc to T2,
if Tbx-Tb is less than or equal to T1, the central controller adjusts the power of the first heating wire to Pt, where Pt is P (i-1);
if T1 is greater than Tbx-Tb and is less than or equal to T2, the central controller adjusts the power of the first heating wire to be Pt, and the Pt is P (i-2);
if Tbx-Tb is greater than T2, the central controller adjusts the power of the first heating wire to Pt, where Pt is P (i-3);
in the process of adjusting the first heating wire, when the adjusted first heating wire power Pt is less than or equal to P1, P1 is used as the adjusted first heating wire power.
Further, when the first heating wire is adjusted, if the real-time temperature Tbx of the water in the humidifying disc is less than the temperature Tb that the humidifying disc needs to maintain, the central controller increases the power of the first heating wire,
if Tb-Tbx is less than or equal to T1, the central controller adjusts the power of the first heating wire to Pt, and Pt is P (i + 1);
if T1 is greater than Tbx-Tb and is less than or equal to T2, the central controller adjusts the power of the first heating wire to be Pt, and the Pt is P (i + 2);
if Tbx-Tb is greater than T2, the central controller adjusts the power of the first heating wire to Pt, where Pt is P (i + 3);
and in the process of adjusting the first heating wire, when the adjusted power Pt of the first heating wire is more than or equal to Pn, taking Pn as the adjusted power of the first heating wire.
Further, when the power of the first heating wire is reduced and adjusted, the central controller corrects the adjusted power Pt of the first heating wire according to the water level information transmitted by the water level sensor in real time, sets the real-time water level in the humidifying disc as Hx, sets the first preset water level height value of the humidifying disc as H1, sets the first preset water level height value of the humidifying disc as H2, and sets H2 to be more than H1,
if Hx is less than or equal to H1, the central controller does not correct the power Pt adjusted by the first heating wire;
if H1 < Hx ≦ H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, and Pz is equal to P (t-1);
if Hx > H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, where Pz is P (t-2);
when Pz is equal to or less than P1 in the correction adjustment of the first heater wire, P1 is used as the adjusted power of the first heater wire.
Furthermore, when the power of the first heating wire is increased and adjusted, the central controller corrects the adjusted power Pt of the first heating wire according to the water level information transmitted by the water level sensor in real time,
if Hx is less than or equal to H1, the central controller does not correct the power Pt adjusted by the first heating wire;
if H1 < Hx ≦ H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, where Pz is P (t + 1);
if Hx > H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, where Pz is P (t + 2);
when Pz is equal to or greater than P1 in the correction adjustment of the first heater wire, Pn is used as the adjusted power of the first heater wire.
Compared with the prior art, the invention has the beneficial effects that the invention provides the method for applying to CO2The heat conduction device of the incubator determines the temperature of water in the humidifying disc in real time by combining the temperature to be maintained in the inner box body with the coefficient of the humidifying disc determined by the humidity difference value of the real-time humidity difference value and the preset humidity difference value in the inner box body, compares the temperature of the humidifying disc determined in real time with the water temperature of an actual humidifying disc, adjusts the power of the first heating wire according to the difference value, and then adjusts the power of the first heating wire by the difference value of the height of the water level in the real-time humidifying disc and the preset heightAnd correcting to make the supersaturated water vapor return to the humidifying disc, and simultaneously achieving the effect of inhibiting condensation.
Further, for the determination of the coefficient of the humidification disk, the central controller determines the coefficient value of the humidification disk according to the humidity difference value between the real-time humidity and the highest humidity value required to be maintained by the inner box, and the larger the humidity difference value is, the larger the coefficient value of the humidification disk is.
Furthermore, the invention detects the water temperature in the humidifying disc and the temperature and the humidity in the inner box body in real time respectively by arranging the first temperature and humidity sensor and the second temperature and humidity sensor, and transmits the detected values to the central controller, the central controller determines the coefficient value of the humidifying disc according to the difference value between the real-time humidity and the preset humidity, the central controller determines the water temperature of the humidifying disc by combining the coefficient value of the humidifying disc and the temperature to be maintained in the inner box body, and the mutual influence of the temperature in the inner box body and the water temperature in the humidifying disc is fully considered, so that the power adjusting effect of the central controller on the first heating wire is improved, the water temperature in the humidifying disc is lower than the temperature in the inner box body, the phenomenon of supersaturation is prevented, and the effect of inhibiting dew condensation is achieved.
Particularly, the power of the first heating wire is adjusted through the difference range between the temperature required to be maintained by the water temperature of the humidifying disc and the actual temperature, and then the power of the first heating wire is corrected and adjusted through the difference between the water level height of the water in the real-time humidifying disc and the preset height value, so that the adjusted power of the first heating wire can enable the water temperature of the humidifying disc to return to the temperature required to be maintained as soon as possible. The coefficient value of the humidifying disc is determined according to the difference value of the real-time detected humidity, when the real-time humidity changes, the coefficient of the humidifying disc changes, the water temperature of the humidifying disc also changes simultaneously, the current heating power of the first heating wire is adjusted, and then the water level height in the humidifying disc is combined for correction and adjustment, so that dynamic balance is achieved, the phenomenon of supersaturation is prevented, and the effect of inhibiting condensation is achieved.
Particularly, the invention also provides a radiating fin which radiates the heat of the humidifying disc through the radiating fin arranged at the bottom of the humidifying disc, and the radiating fin is embedded in the first through hole on the first heat insulation material which is arranged at the bottom heat insulation material of the second heat insulation material, so that the radiating fin is surrounded by the first heat insulation material, the heat loss of the surrounding area contacted with the radiating fin is prevented, the condensation of the surrounding area is prevented, and the heat can be only led out from the area directly contacted with the radiating fin at the bottom surface of the inner box body. The aluminum radiating fins are adopted in the embodiment, the aluminum radiating fins are good in heat dissipation performance and good in heat conduction effect, heat of a specific area below the humidifying disc can be transmitted to the atmosphere outside the box through the aluminum radiating fins, so that the temperature of water in the humidifying disc is always lower than that of the inner box body, and the heating power of the first heating wire on the humidifying disc is adjusted to maintain the humidity in the inner box body within a required humidity range, so that the dewing is inhibited, and the optimal humidity can be maintained.
Further, in the present invention, the heat radiating fins are provided at the bottom of the humidifying disc, and the area where the bottom surface of the inner box below the humidifying disc contacts the aluminum heat radiating fins is the lowest temperature area in the incubator, so that even if dew condensation occurs, the dew condensation occurs only in the area, and does not affect the culture, thereby effectively suppressing the occurrence of the dew condensation phenomenon in the area which does not affect the culture. And because the temperature is lower, the water temperature of the water tray is lower than the temperature of the water vapor in the box, so that the supersaturated water in the box is enabled, and the dew is condensed and returned to the water tray, so that the optimal humidity for culture in the box is achieved.
Drawings
FIG. 1 shows the application of the present invention to CO2The structural schematic diagram of the heat conducting device of the incubator;
FIG. 2 shows the application of the present invention to CO2Another view structure diagram of the heat conduction device of the incubator.
Detailed Description
In order to make the effects and advantages of the present invention more apparent, the present invention is further described below with reference to the following examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and do not delimit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to FIGS. 1-2, the present invention provides a method for CO application2The heat conducting device of the incubator comprises a heat conducting plate,
an outer case 1; the inner box body 2 is arranged inside the outer box body 1, a cavity of the incubator is arranged inside the inner box body 2, and a second temperature and humidity sensor 21 is arranged inside the inner box body 2 and used for detecting the temperature and humidity inside the cavity of the inner box body 2; the humidifying disc 3 is arranged at the bottom of the inner box body 2, a first temperature and humidity sensor 31 is arranged on the humidifying disc, the first temperature and humidity sensor 31 is used for detecting the temperature of water in the humidifying disc, an atomizing component is arranged on the humidifying disc and is used for atomizing and humidifying the water in the humidifying disc, and a water level sensor 32 is arranged in the humidifying disc and is used for detecting the water level of the water in the humidifying disc; a first heating wire (not shown in the figure) disposed below the humidifying disc 3, the first heating wire being disposed outside the bottom of the inner cabinet 2 to heat the humidifying disc; the second heating wire 5 is arranged outside the inner box body 2, the second heating wire 5 comprises a top heating section, a side heating section and a bottom heating section, and the second heating wire 5 is used for heating the inner box body 2 so that the temperature in the inner box body 2 reaches a preset temperature; a second heat insulator 7 disposed inside the outer case 1, wherein the second heat insulator 7 includes a top heat insulator, a side heat insulator, and a bottom heat insulator for insulating room temperature and keeping the inner case 2 warm; the first heat insulation material 6 is arranged on the outer side of the bottom of the inner box body 2, a second through hole is formed in the bottom heat insulation plate, and the first heat insulation material 6 is embedded in the second through hole of the bottom heat insulation material; the radiating fins 8 are arranged on the outer side of the bottom of the humidifying disc 3 and are embedded in the first through holes in the first heat insulating material 6, and the radiating fins 8 are used for radiating heat in the area below the humidifying disc through the radiating fins 8; the central controller (not shown in the figure) is connected with the first temperature and humidity sensor 31 and used for receiving the temperature of the water tray detected by the first temperature and humidity sensor 31, the central controller is connected with the second temperature and humidity sensor 21 and used for receiving the temperature and the humidity of the inner box body 2 detected by the second temperature and humidity sensor 21, the central controller is connected with the water level sensor 32 and used for receiving the water level information of the humidifying tray detected by the water level sensor 32, the central controller is connected with the first heating wire and used for controlling the working power of the first heating wire and adjusting the temperature of the water in the humidifying tray, and the central controller is connected with the second heating wire 5 and used for controlling the working power of the second heating wire 5 and adjusting the temperature of the inner box body 2.
Specifically, in the embodiment of the invention, the central controller is based on CO2The temperature to be maintained in the inner box body 2 of the incubator is combined with the coefficient alpha of the humidifying disc determined by the comparison result of the real-time humidity in the inner box body 2, the maximum humidity difference value to be maintained and the preset humidity difference value, and the temperature to be maintained of the water in the humidifying disc is calculated.
Specifically, in the embodiment of the present invention, the central controller increases or decreases the power of the first heating wire according to the temperature difference between the real-time temperature of the water in the humidification tray and the temperature that the water in the humidification tray needs to maintain, and if the real-time temperature of the water in the humidification tray is equal to the temperature that the humidification tray needs to maintain, the central controller does not adjust the operating parameter of the first heating wire.
Specifically, in the embodiment of the present invention, if the real-time temperature of the water in the humidification tray is greater than the temperature that needs to be maintained by the humidification tray, the central controller reduces the power of the first heating wire, and the central controller compares the temperature difference between the real-time temperature of the water in the humidification tray and the temperature that needs to be maintained by the water in the humidification tray with a preset temperature difference, so as to determine the power adjusted by the first heating wire.
Specifically, in the embodiment of the present invention, if the real-time temperature of the water in the humidification tray is less than the temperature that needs to be maintained by the humidification tray, the central controller increases the power of the first heating wire, and the central controller compares the temperature difference between the real-time temperature of the water in the humidification tray and the temperature that needs to be maintained by the water in the humidification tray with a preset temperature difference, so as to determine the power adjusted by the first heating wire.
Specifically, in the embodiment of the present invention, the central controller compares the water level information transmitted by the water level sensor 32 in real time with a preset water level height value, corrects the adjusted power of the first heating wire according to the comparison result, and obtains the corrected heating power of the first heating wire, and the controller operates according to the corrected heating power of the first heating wire.
Specifically, in the embodiment of the present invention, a plurality of second temperature and humidity sensors 21 may be arranged in the inner box 2, and data of each second temperature and humidity sensor 21 is collected to obtain an average value thereof.
Specifically, in the embodiment of the present invention, the second heating wire 5 and the second heat insulating material 7 are disposed correspondingly, that is, the top of the inside of the outer box 1 corresponding to the top heating section of the second heating wire 5 is disposed correspondingly with the top heat insulating material, the side of the inside of the outer box 1 corresponding to the side heating section of the second heating wire 5 is disposed correspondingly with the side heat insulating material, and the bottom of the inside of the outer box 1 corresponding to the bottom heating section of the second heating wire 5 is disposed correspondingly with the bottom heat insulating material.
Specifically, in the embodiment of the invention, the powers of the first heating wire and the second heating wire 5 are adjustable, the temperature of the water in the humidifying disc and the temperature in the inner box body 2 are adjusted by adjusting the powers of the first heating wire and the second heating wire 5, the first heating wire is arranged to be tightly attached to the outer side of the bottom of the inner box body 2, and the second heating wire 5 is arranged to be tightly attached to the outer side of the inner box body 2 and comprises two side faces, a top face and a back face of the inner box body, so that the effect of heating the incubator is achieved.
Specifically, in the embodiment of the present invention, the second heating wire 5 is used for heating the inner box 2, a heat preservation program can be set, when the temperature is lower than a certain temperature, the second heating wire 5 is started, when the temperature is higher than a certain temperature, the control mode of the second heating wire 5 is closed, the control mode of the second heating wire 5 is not adjusted, the heat conduction device of the present invention is adjusted under the condition that the incubator normally operates, namely the second heating wire 5 maintains the required temperature of the inner box 2, and when the temperature in the inner box 2 changes, the heat conduction device of the present invention adjusts the heat conduction under the condition that the humidity in the inner box 2 is easy to generate oversaturation or the dew condensation is easy to generate, the present invention adjusts the temperature of the water in the humidifying disc by adjusting the working state of the first heating wire, thereby avoiding the temperature change in the inner box 2, the occurrence of a state of excessive saturation of the humidity in the inner box body 2 or the occurrence of an exposure situation is avoided.
Specifically, in the embodiment of the present invention, the heat sink 8 is made of aluminum, and the heat sink 8 made of other materials, such as the heat sink 8 made of copper or the heat sink 8 made of aluminum alloy, may also be used.
Specifically, in the embodiment of the present invention, the first heat insulator 6 is in a circular ring shape, the bottom heat insulator of the second heat insulator 7 is in a rectangular shape, a circular through hole is formed in the rectangular shape, the circular ring shape of the first heat insulator 6 is arranged in correspondence to the size of the through hole of the bottom heat insulator of the second heat insulator 7, a first through hole is formed in the first heat insulator 6, the heat sink 8 is placed in the circular ring shape, the first heater wire can be arranged around the bottom of the humidification disk, and the heat sink 8 is located at the middle position of the humidification disk.
Specifically, in the embodiment of the present invention, an atomization component is disposed above the humidification disk, and is used to atomize the water in the humidification disk to increase the humidity in the inner box 2, the atomization component may be an atomization device in the humidifier, or may be another atomization structure, and the present invention does not limit the atomization structure, and the present invention is not limited to the specific implementation, as long as the function of atomizing and humidifying the water in the humidification disk belongs to the protection scope of the present invention.
Specifically, in the embodiment of the invention, the central controller is based on CO2The temperature to be maintained in the inner box body 2 of the incubator determines the temperature to be maintained in the water in the humidifying disc,
Ta＝α×Tb
wherein Ta represents the temperature required to be maintained in the inner box body 2, Tb represents the temperature required to be maintained by the water in the humidifying disc, and alpha represents the water temperature coefficient of the humidifying disc.
Specifically, in the embodiment of the present invention, the temperature Ta to be maintained in the inner box 2 may be directly determined according to the type of bacteria to be cultured or may be defaulted to 37 ℃ as the temperature to be maintained in the incubator, but for Tb, the coefficient value of the humidifying disc needs to be determined according to the real-time humidity difference and the preset humidity difference, and when the temperature to be maintained in the humidifying disc is calculated, the central controller adjusts the working state of the first heating wire according to the difference between the actual temperature of the humidifying disc and the preset temperature to be maintained, so that the temperature of water in the humidifying disc is lower than the temperature in the inner box 2, and the culturing environment of the incubator is ensured within a certain range.
Specifically, in the embodiment of the present invention, humidity differences Sc1, Sc2, Sc3, …, and Scn are preset in the central controller, where Sc1 represents a first preset humidity difference, Sc2 represents a second preset humidity difference, Sc3 represents a third preset humidity difference, Scn represents an nth preset humidity difference, Sc1 < Sc2 < Sc3 < Scn, and n is set to be a positive number.
Specifically, in the embodiment of the present invention, water temperature coefficient values α 1, α 2, α 3, …, α n of the humidification trays are preset in the central controller, where α 1 represents a first preset humidification tray water temperature coefficient value, α 2 represents a second preset humidification tray water temperature coefficient value, α 3 represents a third preset humidification tray water temperature coefficient value, α n represents an nth preset humidification tray water temperature coefficient value, and 0 < α 1 < α 2 < α 3 < α n < 1. Considering that the water temperature of the humidifying disc is lower than the temperature in the inner box body 2, the coefficient value of the water temperature of the humidifying disc is set to be more than 0 and less than 1, the accurate determination of the water temperature of the humidifying disc is met, and the adjusting effect of the central controller is improved.
Specifically, in the embodiment of the present invention, the central controller determines the coefficient α of the humidity increasing disk according to a humidity difference between the humidity difference and a preset humidity difference, sets a real-time humidity value of the inner box 2 to Sx, sets a minimum humidity value required to maintain the humidity in the inner box 2 to Smin, sets a maximum humidity value required to maintain the humidity in the inner box 2 to Smax, and determines the coefficient α of the humidity increasing disk by using a humidity difference of | Sx-Smax | as the humidity,
if the value of the absolute value Sx-Smax is less than or equal to Sc1, the central controller determines that the value of the coefficient of the humidifying disc is alpha 1;
if Sc1 < | Sx-Smax | ≦ Sc2, the central controller determines that the value of the coefficient of the humidifying disc is alpha 2;
if Sc2 < | Sx-Smax | ≦ Sc3, the central controller determines that the value of the coefficient of the humidifying disc is alpha 3;
if Sc (n-1) < | Sx-Smax | ≦ Scn, the central controller determines the value of the coefficient of the humidifying disc as alphan.
Specifically, in the embodiment of the present invention, the central controller determines the coefficient value of the humidification disk according to the humidity difference between the real-time humidity and the highest humidity value that needs to be maintained by the inner box 2, the larger the humidity difference is, the larger the coefficient value of the humidification disk is, in the embodiment, the distance range between the real-time humidity and the maximum maintained humidity is taken as a reference, the closer the distance to the maximum humidity value is, it indicates that the higher the real-time humidity is, the smaller the coefficient value of the humidification disk needs to be adjusted, and the farther the real-time humidity is, the closer the real-time humidity value is to the minimum humidity value is, it indicates that the humidity value is about to be lower than the preset value, the water temperature of the humidification disk needs to be increased, and the larger the coefficient value of the humidification disk needs to be adjusted. It will be appreciated by those skilled in the art that the humidity in the inner housing 2 is not suitable for cell culture when the real-time humidity value is higher than the maximum value or lower than the minimum value, and is not in the regulation range of the present invention, and the instantaneous humidity value is not regulated when the real-time humidity value is only temporarily higher than the maximum value or lower than the minimum humidity value, and of course, the time duration may be set, and the central controller may determine that the humidity in the incubator is incorrect when the humidity value is higher than the maximum humidity value or lower than the minimum humidity value for 1 minute continuously, and determine the value of the humidity coefficient after the humidity in the inner housing 2 is returned to the normal range when the humidity value is higher than the maximum humidity value or lower than the maximum humidity value for less than 1 minute continuously.
Specifically, in the embodiment of the present invention, the central controller calculates the temperature Tb required to be maintained by the water in the humidification disk according to the coefficient value α i of the humidification disk determined in real time and the temperature Ta required to be maintained in the inner box 2, and sets i to 1, 2, 3, …, n. The central controller adjusts the working parameters of the first heating wire according to the temperature difference between the real-time temperature of the water in the humidification disc and the temperature which needs to be maintained by the water in the humidification disc, if the real-time temperature Tbx of the water in the humidification disc is equal to the temperature Tb which needs to be maintained by the humidification disc, the central controller does not adjust the working parameters of the first heating wire, and the real-time temperature of the water in the humidification disc is set to be Tbx.
Specifically, in the embodiment of the present invention, powers P1, P2, P3, …, and Pn of the heating wires are preset in the central controller, where P1 represents a power of the first preset heating wire, P2 represents a power of the second preset heating wire, P3 represents a power of the third preset heating wire, and Pn represents a power of the nth preset heating wire.
Specifically, in the embodiment of the present invention, when the first heating wire is adjusted, if the real-time temperature Tbx of the water in the humidification disk is greater than the temperature Tb that needs to be maintained by the humidification disk, the central controller reduces the power of the first heating wire, sets the current power of the first heating wire to Pi, sets the first temperature difference of the water in the humidification disk to T1, sets the first temperature difference of the water in the humidification disk to T2,
if Tbx-Tb is less than or equal to T1, the central controller adjusts the power of the first heating wire to Pt, where Pt is P (i-1);
if T1 is greater than Tbx-Tb and is less than or equal to T2, the central controller adjusts the power of the first heating wire to be Pt, and the Pt is P (i-2);
if Tbx-Tb is greater than T2, the central controller adjusts the power of the first heating wire to Pt, where Pt is P (i-3).
Specifically, in the embodiment of the present invention, when the adjusted first heater wire power Pt is less than or equal to P1 during the adjustment of the first heater wire, P1 is used as the adjusted first heater wire power. When P (i-1) is equal to or less than Pn, P1 is used as the adjusted power of the first heating wire, and the same also includes the cases of P (i-2) and P (i-3), and when P (i +1) is equal to or more than Pn, Pn is used as the adjusted power of the first heating wire, which includes the cases of P (i +2) and P (i +3), that is, when the adjusted power of the first heating wire is greater than Pn, Pn is used as the adjusted power of the first heating wire.
Specifically, in the embodiment of the present invention, if the real-time temperature Tbx of the water in the humidification tray is greater than the temperature Tb that needs to be maintained by the humidification tray, the central controller reduces the power of the first heating wire, so that the temperature of the water in the humidification tray returns to the temperature that needs to be maintained as soon as possible.
Specifically, in the embodiment of the invention, when the first heating wire is adjusted, if the real-time temperature Tbx of the water in the humidification disk is less than the temperature Tb that needs to be maintained by the humidification disk, the central controller increases the power of the first heating wire,
if Tb-Tbx is less than or equal to T1, the central controller adjusts the power of the first heating wire to Pt, and Pt is P (i + 1);
if T1 is greater than Tbx-Tb and is less than or equal to T2, the central controller adjusts the power of the first heating wire to be Pt, and the Pt is P (i + 2);
if Tbx-Tb is greater than T2, the central controller adjusts the power of the first heating wire to Pt, where Pt is P (i + 3).
Specifically, in the embodiment of the present invention, in the process of adjusting the first heating wire, when the adjusted power Pt of the first heating wire is greater than or equal to Pn, Pn is used as the adjusted power of the first heating wire.
Specifically, in the embodiment of the present invention, specifically, if the real-time temperature Tbx of the water in the humidification tray is less than the temperature Tb that needs to be maintained by the humidification tray, the central controller increases the power of the first heating wire, so that the temperature of the water in the humidification tray returns to the temperature that needs to be maintained as soon as possible.
Specifically, in the embodiment of the present invention, when the power of the first heating wire is adjusted to be reduced, the central controller corrects the adjusted power Pt of the first heating wire according to the water level information transmitted by the water level sensor 32 in real time, sets the real-time water level in the humidifying disc to be Hx, sets the first preset water level height value of the humidifying disc to be H1, sets the first preset water level height value of the humidifying disc to be H2, and sets H2 > H1,
if Hx is less than or equal to H1, the central controller does not correct the power Pt adjusted by the first heating wire;
if H1 < Hx ≦ H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, and Pz is equal to P (t-1);
if Hx > H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, where Pz is P (t-2).
Specifically, in the embodiment of the present invention, when Pz is equal to or less than P1 in the correction adjustment of the first heater wire, P1 is used as the adjusted power of the first heater wire.
Specifically, in the embodiment of the present invention, when the power of the first heating wire is adjusted to be increased, the central controller corrects the adjusted power Pt of the first heating wire according to the water level information transmitted by the water level sensor 32 in real time, and then,
if Hx is less than or equal to H1, the central controller does not correct the power Pt adjusted by the first heating wire;
if H1 < Hx ≦ H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, where Pz is P (t + 1);
if Hx > H2, the central controller corrects the power Pt adjusted by the first heater wire to Pz, where Pz is P (t + 2);
when Pz is equal to or greater than P1 in the correction adjustment of the first heater wire, Pn is used as the adjusted power of the first heater wire.
Specifically, in the embodiment of the present invention, when the first heating wire is operated according to the adjusted power and the water temperature in the humidification tray reaches the temperature required to be maintained, the power of the first heating wire is operated at P1, and the central controller adjusts the power of the first heating wire until the water temperature in the humidification tray is different from the temperature required to be maintained, so as to complete the cell culture operation.
Specifically, in the embodiment of the present invention, when the first heating wire operates according to the adjusted and corrected power and the real-time humidity in the inner box 2 changes, the central controller re-determines the water temperature of the humidifying disc according to the difference range between the real-time humidity and the preset humidity, and adjusts the power of the first heating wire according to the re-determined water temperature of the humidifying disc until the cell culture is completed.
Specifically, in the embodiment of the invention, the real-time humidity of the inner box body 2, the real-time temperature of the humidifying disc and the temperature required to be maintained are determined in real time, so that the temperature required to be maintained is determined in real time, the first heating wire is continuously adjusted through the real-time temperature of the humidifying disc and the temperature required to be maintained, the effect that the temperature of water in the humidifying disc is lower than the temperature in the inner box body 2 is achieved, supersaturated water vapor returns to the humidifying disc, and meanwhile, the effect of inhibiting condensation is achieved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (8)

1. A heat conduction device applied to a CO2 incubator is characterized by comprising,
an outer case;
the inner box body is arranged inside the outer box body, a cavity of the incubator is arranged inside the inner box body, and a second temperature and humidity sensor is arranged in the inner box body and used for detecting the temperature and humidity in the cavity of the inner box body;
the humidifying disc is arranged at the bottom of the inner box body, a first temperature and humidity sensor is arranged on the humidifying disc and used for detecting the temperature of water in the humidifying disc, an atomizing component is arranged on the humidifying disc and used for atomizing and humidifying the water in the humidifying disc, and a water level sensor is arranged in the humidifying disc and used for detecting the water level of the water in the humidifying disc;
the first heating wire is arranged below the humidifying disc, and the first heating wire is arranged on the outer side of the bottom of the inner box body and used for heating the humidifying disc;
the second heating wire is arranged on the outer side of the inner box body and comprises a top heating section, a side heating section and a bottom heating section, and the second heating wire is used for heating the inner box body so that the temperature in the inner box body reaches a preset temperature;
the second heat insulation material is arranged in the outer box body, and comprises a top heat insulation material, a side heat insulation material and a bottom heat insulation material, and is used for isolating room temperature and preserving heat of the inner box body;
the first heat insulation material is arranged on the outer side of the bottom of the inner box body, a second through hole is formed in the bottom heat insulation material, and the first heat insulation material is nested in the second through hole of the bottom heat insulation material;
the radiating fins are arranged on the outer side of the bottom of the humidifying disc and are embedded in the first through holes in the first heat insulation material, and the radiating fins are used for radiating heat in the area below the humidifying disc through the radiating fins;
the central controller is connected with the first heating wire and used for controlling the working power of the first heating wire so as to adjust the temperature of water in the humidifying disc, and the central controller is connected with the second heating wire and used for controlling the working power of the second heating wire so as to adjust the temperature of the water in the humidifying disc;
the central controller calculates the temperature to be maintained of the water in the humidifying disc according to the temperature to be maintained in the inner box body of the CO2 incubator and the coefficient alpha of the humidifying disc determined by the comparison result of the real-time humidity in the inner box body, the maximum humidity difference value to be maintained and the preset humidity difference value, wherein Ta = alpha x Tb, Ta represents the temperature to be maintained in the inner box body, Tb represents the temperature to be maintained of the water in the humidifying disc, and alpha represents the water temperature coefficient of the humidifying disc;
the central controller adjusts the power of the first heating wire according to the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature of the water in the humidifying disc required to be maintained, and when the real-time temperature of the water in the humidifying disc is equal to the temperature of the humidifying disc required to be maintained, the central controller does not adjust the working parameters of the first heating wire;
when the real-time temperature of the water in the humidifying disc is higher than the temperature required to be maintained by the humidifying disc, the central controller reduces the power of the first heating wire, compares the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature required to be maintained by the water in the humidifying disc with a preset temperature difference, and determines the power adjusted by the first heating wire;
when the real-time temperature of the water in the humidifying disc is lower than the temperature required to be maintained by the humidifying disc, the central controller increases the power of the first heating wire, compares the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature required to be maintained by the water in the humidifying disc with a preset temperature difference, and determines the power adjusted by the first heating wire;
the central controller compares the water level information transmitted by the water level sensor in real time with a preset water level height value, corrects the power of the first heating wire after adjustment according to the comparison result to obtain the corrected heating power of the first heating wire, and operates according to the corrected heating power of the first heating wire.
2. The heat transfer device applied to the CO2 incubator, according to claim 1, wherein humidity differences Sc1, Sc2, Sc3, … and Scn are preset in the central controller, wherein Sc1 represents a first preset humidity difference, Sc2 represents a second preset humidity difference, Sc3 represents a third preset humidity difference, Scn represents an nth preset humidity difference, Sc1 < Sc2 < Sc3 < Scn, and n is set to be a positive number;
the central controller is internally preset with water temperature coefficient values alpha 1, alpha 2, alpha 3, … and alpha n of the humidifying disc, wherein alpha 1 represents a first preset water temperature coefficient value of the humidifying disc, alpha 2 represents a second preset water temperature coefficient value of the humidifying disc, alpha 3 represents a third preset water temperature coefficient value of the humidifying disc, alpha n represents a water temperature coefficient value of the nth preset humidifying disc, and alpha 1 is more than 0 and less than alpha 2 and less than alpha 3 and less than alpha n and less than 1.
3. The heat conduction device applied to the CO2 incubator, according to claim 2, wherein the central controller determines the coefficient α of the humidifying disc according to a humidity difference between a real-time humidity difference in the inner cabinet and a preset humidity difference, sets a real-time humidity value of the inner cabinet to Sx, a minimum humidity value required to maintain the humidity in the inner cabinet to Smin, and a maximum humidity value required to maintain the humidity in the inner cabinet to Smax, and determines the coefficient α of the humidifying disc according to a humidity difference between the Sx and the Smax,
when the absolute value Sx-Smax is less than or equal to Sc1, the central controller determines the value of the coefficient of the humidifying disc to be alpha 1;
when Sc1 is less than | Sx-Smax | ≦ Sc2, the central controller determines that the value of the coefficient of the humidifying disc is alpha 2;
when Sc2 is less than | Sx-Smax | ≦ Sc3, the central controller determines that the value of the coefficient of the humidifying disc is alpha 3;
when Sc (n-1) < | Sx-Smax | ≦ Scn, the central controller determines that the value of the coefficient of the humidifying disc is alpha n;
the central controller determines the coefficient value of the humidifying disc according to the humidity difference value between the real-time humidity and the highest humidity value required to be maintained by the inner box body, and the larger the humidity difference value is, the larger the coefficient value of the humidifying disc is.
4. The heat transfer device applied to the CO2 incubator, according to claim 3, wherein the central controller calculates the temperature Tb to be maintained by the water in the humidification disc according to the real-time determined value α i of the humidification disc and the temperature Ta to be maintained in the inner box body, and sets i =1, 2, 3, …, n;
the central controller adjusts the working parameters of the first heating wire according to the temperature difference between the real-time temperature of the water in the humidifying disc and the temperature required to be maintained by the water in the humidifying disc, and when the real-time temperature Tbx of the water in the humidifying disc is equal to the temperature Tb required to be maintained by the humidifying disc, the central controller does not adjust the working parameters of the first heating wire and sets the real-time temperature of the water in the humidifying disc to be Tbx;
the power P1, P2, P3, … and Pn of the heating wires are preset in the central controller, wherein P1 represents the power of the first preset heating wire, P2 represents the power of the second preset heating wire, P3 represents the power of the third preset heating wire, and Pn represents the power of the nth preset heating wire.
5. The heat transfer device applied to the CO2 incubator, according to claim 4, wherein the central controller decreases the power of the first heater wire when the real-time temperature Tbx of the water in the humidifying tray is greater than the temperature Tb to be maintained by the humidifying tray when the first heater wire is adjusted, and sets the current power of the first heater wire to Pi, the first temperature difference of the water in the humidifying tray to T1, and the first temperature difference of the water in the humidifying tray to T2,
when Tbx-Tb is less than or equal to T1, the central controller adjusts the power of the first heating wire to Pt, and Pt = P (i-1);
when T1 is more than Tbx-Tb and less than or equal to T2, the central controller adjusts the power of the first heating wire to be Pt, and Pt = P (i-2);
when the Tbx-Tb is larger than T2, the central controller adjusts the power of the first heating wire to Pt, and Pt = P (i-3);
in the process of adjusting the first heating wire, when the adjusted first heating wire power Pt is less than or equal to P1, P1 is used as the adjusted first heating wire power.
6. The heat transfer device applied to the CO2 incubator according to claim 5, wherein the central controller increases the power of the first heating wire when the real-time temperature Tbx of the water in the humidification disk is less than the temperature Tb to be maintained by the humidification disk when the adjustment of the first heating wire is performed,
when Tb-Tbx is less than or equal to T1, the central controller adjusts the power of the first heating wire to Pt, and Pt = P (i + 1);
when T1 is more than Tbx-Tb and less than or equal to T2, the central controller adjusts the power of the first heating wire to be Pt, and Pt = P (i + 2);
when the Tbx-Tb is larger than T2, the central controller adjusts the power of the first heating wire to Pt, and Pt = P (i + 3);
in the process of adjusting the first heating wire, when the adjusted power Pt of the first heating wire is greater than or equal to Pn, the Pn is used as the adjusted power of the first heating wire.
7. The heat transfer device applied to the CO2 incubator, wherein when the power of the first heating wire is adjusted to be reduced, the central controller corrects the adjusted power Pt of the first heating wire according to the water level information transmitted by the water level sensor in real time, sets the real-time water level in the humidifying disc to Hx, sets the first preset water level height value of the humidifying disc to H1, sets the first preset water level height value of the humidifying disc to H2, and sets H2 > H1,
when Hx is less than or equal to H1, the central controller does not modify the power Pt adjusted by the first heating wire;
when H1 is larger than Hx and smaller than or equal to H2, the central controller corrects the power Pt adjusted by the first heating wire into Pz, and Pz = P (t-1);
when Hx is larger than H2, the central controller corrects the power Pt adjusted by the first heating wire to Pz, and Pz = P (t-2);
when Pz is equal to or less than P1 in the correction adjustment of the first heater wire, P1 is used as the adjusted power of the first heater wire.
8. The heat transfer device applied to the CO2 incubator, according to claim 7, wherein the central controller corrects the adjusted power Pt of the first heating wire according to the water level information transmitted by the water level sensor in real time when the power of the first heating wire is adjusted in an increasing manner,
when Hx is less than or equal to H1, the central controller does not modify the power Pt adjusted by the first heating wire;
when H1 is larger than Hx and smaller than or equal to H2, the central controller corrects the power Pt adjusted by the first heating wire into Pz, and Pz = P (t + 1);
when Hx is greater than H2, the central controller corrects the power Pt adjusted by the first heating wire to Pz, and Pz = P (t + 2);
when Pz is equal to or greater than P1 in the correction adjustment of the first heater wire, Pn is used as the adjusted power of the first heater wire.
CN202110717427.3A 2021-06-28 2021-06-28 Application to CO2Heat conduction device of incubator Active CN113462549B (en)

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