CN219730955U - Carbon dioxide incubator - Google Patents

Abstract

The utility model provides a carbon dioxide incubator, which comprises a case body; the box is internally provided with a carbon dioxide component, the carbon dioxide component comprises a carbon dioxide sensor, the carbon dioxide sensor is connected to a heat dissipation device for rapidly dissipating heat of the carbon dioxide sensor, the heat dissipation device is externally wrapped with a heat insulation device for preventing the heat transfer from the box to the carbon dioxide sensor, a carbon dioxide detection hole leading to the carbon dioxide sensor is formed in the heat insulation device, and one end of the heat dissipation device opposite to the carbon dioxide detection hole is a heat dissipation end and is located outside the box. The outermost part of the carbon dioxide sensor is the heat insulation device, so that a good heat insulation effect can be achieved, heat transfer from the inside of the box body to the carbon dioxide sensor is reduced, the heat dissipation device can rapidly diffuse the heat on the carbon dioxide sensor outwards, the purpose of cooling is achieved, the temperature of the carbon dioxide sensor is not too high, and the carbon dioxide sensor works at a specified working temperature.

Description

Carbon dioxide incubator

Technical Field

The utility model relates to the field of incubators, in particular to a carbon dioxide incubator.

Background

The carbon dioxide incubator is an advanced instrument for culturing cells, tissues and bacteria, is a key device necessary for developing immunology, oncology, genetics and bioengineering, is improved on the basis of common culture and mainly can be added with carbon dioxide to meet the environment required by culturing microorganisms. The carbon dioxide incubator controls the concentration of carbon dioxide through the carbon dioxide sensor, and the carbon dioxide sensor is used for detecting the concentration of carbon dioxide in the box, transmits the detection result to control devices such as control circuit and solenoid valve, if detect that the concentration of carbon dioxide in the box is low, then the solenoid valve opens, and carbon dioxide gets into the box, and the carbon dioxide reaches the concentration of setting up, and the solenoid valve is closed this moment.

The carbon dioxide incubator needs to be sterilized after being used, and most of the existing carbon dioxide incubators adopt ultraviolet lamp sterilization and damp heat sterilization. The ultraviolet lamp sterilization mode is simple in structure, but is easy to block by the partition boards and the like in the carbon dioxide incubator, places where ultraviolet rays cannot irradiate exist, dead angles exist, the sterilization effect is poor, or all the partition boards are detached for sterilization, but the partition boards need to be sterilized in addition, the partition boards need to be reinstalled back to the carbon dioxide incubator after sterilization, the operation is troublesome, and the reinfection is easily caused in the installation process. The wet heat sterilization mode is generally only capable of heating to 80-90 ℃, because the carbon dioxide sensor is in contact with the air in the carbon dioxide incubator to detect the concentration of carbon dioxide, and the working environment temperature of most carbon dioxide sensors is required to be-10-50 ℃, the working environment temperature of a few high-end carbon dioxide sensors is required to reach-20-80 ℃, the working environment temperature of the carbon dioxide sensors is not higher than 90 ℃ at most, the carbon dioxide sensors are damaged at too high temperature, and the sterilization effect is poor at the temperature of 80-90 ℃. If the temperature higher than 90 ℃ is adopted for sterilization, the carbon dioxide sensor needs to be disassembled, and the sterilization is finished and then the carbon dioxide sensor is installed, so that the operation is troublesome on one hand, and secondary pollution is easy to cause on the other hand.

Therefore, the existing carbon dioxide incubator is sterilized by ultraviolet lamp or damp heat sterilization at 80-90 ℃, and the carbon dioxide sensor needs to be detached firstly to sterilize at the temperature higher than 90 ℃. Therefore, it has never been proposed to sterilize at a high temperature of 120-180 ℃ without dismantling the carbon dioxide sensor. The method breaks through the conventional thinking, overcomes the defect that the carbon dioxide sensor is sterilized at the high temperature of 120-180 ℃ on the premise of not dismantling the carbon dioxide sensor, and does not damage the carbon dioxide sensor.

Disclosure of Invention

The utility model provides a carbon dioxide incubator, which solves the problem that the carbon dioxide incubator in the prior art has never been proposed to use a high-temperature sterilization mode at 120-180 ℃ on the premise of not dismantling a carbon dioxide sensor, because the carbon dioxide sensor is damaged by adopting the high-temperature sterilization at 120-180 ℃.

The technical scheme of the utility model is realized as follows:

a carbon dioxide incubator comprising a tank body; the box is internally provided with a carbon dioxide component, the carbon dioxide component comprises a carbon dioxide sensor, the carbon dioxide sensor is connected to a heat dissipation device for rapidly dissipating heat of the carbon dioxide sensor, the heat dissipation device is externally wrapped with a heat insulation device for preventing the heat transfer from the box to the carbon dioxide sensor, a carbon dioxide detection hole leading to the carbon dioxide sensor is formed in the heat insulation device, and one end of the heat dissipation device opposite to the carbon dioxide detection hole is a heat dissipation end and is located outside the box.

Further, the heat dissipating device comprises a radiator and a heat dissipating fan, wherein a mounting hole for mounting the carbon dioxide sensor is formed in the middle of the radiator, one end of the mounting hole corresponds to the carbon dioxide detection hole, and the heat dissipating fan is mounted on the other end of the mounting hole; the heat insulation device is a heat insulation sleeve.

Further, the radiator is a radiating aluminum profile, the radiating fan is fixedly connected to the radiator through a single-pass copper stud, and the heat insulation sleeve is made of a glass fiber resin composite material.

Further, the device also comprises a carbon dioxide inlet pipe inserted into the box body, wherein the carbon dioxide inlet pipe is connected with an electromagnetic control valve, and the device also comprises a temperature sensor for monitoring the temperature of air in the box body.

Further, the box is from outside to inside including outer box, heat preservation and inner bag, and the surface of inner bag is provided with heating device, and the interior upper portion of inner bag separates there is the chamber of admitting air, and the interior rear portion of inner bag has the circulation air cavity, and the chamber of admitting air communicates with the circulation air cavity, is provided with filter equipment in the front portion of chamber of admitting air, and the rear portion of chamber of admitting air is provided with the air circulation drive arrangement who is used for driving air circulation flow, carbon dioxide detection hole and the rear portion intercommunication of chamber of admitting air are used for carbon dioxide to detect, and the circulation air cavity communicates with the front portion of inner bag through a plurality of ventholes.

Further, heating device is electric heating wire, the heat preservation is rock wool, filter equipment is HEPA filter screen.

Further, the corners of the inner container are arc corners for preventing dirt from being collected, and a plurality of groups of symmetrical arc supporting protrusions are arranged on the inner walls of the two sides of the inner container from top to bottom.

Further, the front part of the air inlet cavity is a filter cavity, and the filter device is arranged in the filter cavity; the rear part of the air inlet cavity is divided into an upper cavity and a lower cavity, an air vent is arranged between the upper cavity and the lower cavity, and the rear end of the upper cavity is communicated with the upper end of the circulating air cavity; the air circulation driving device is an axial flow fan, the axial flow fan comprises a wind wheel and a wind wheel motor, the wind wheel motor is connected with the wind wheel through a driving shaft, the wind wheel is positioned at the air vent, and the wind wheel motor is positioned outside the box body.

Further, the box body is hinged with a box door, a transparent glass window is arranged on the box door, a glass window door matched with the transparent glass window is hinged on the box door, and the front ends of the outer box body and the inner container are open ends.

Further, a device chamber layer is arranged on the top of the outer box body.

The utility model has the beneficial effects that:

1. when high temperature sterilization, the outside heat insulation device of carbon dioxide sensor can play good heat insulating effect, reduce the inside heat transfer to the carbon dioxide sensor of box, because the carbon dioxide sensor must be through the contact of carbon dioxide detection hole with the air in the box, reach the purpose that carbon dioxide concentration detected, so unavoidable, the heat in the air in the box can be passed through the carbon dioxide detection hole and be transmitted to the carbon dioxide sensor, at this moment, the heat on the carbon dioxide sensor just dispels the heat outwards through heat abstractor fast, reach the purpose of cooling, make the temperature of carbon dioxide sensor be unlikely to too high, the carbon dioxide sensor can work in the temperature range of permission, prevent that the carbon dioxide sensor is impaired.

2. The carbon dioxide incubator is generally provided with 37 ℃ in the use process and is used for culturing cells, so that the inside cleanliness requirement is high, sterilization is needed in stages, the utility model can realize high-temperature sterilization at 120-180 ℃, a carbon dioxide sensor is not required to be dismantled during sterilization, and if the carbon dioxide sensor is dismantled, the carbon dioxide sensor is reloaded after the sterilization is finished, the operation is troublesome, and secondary pollution can be caused.

3. According to the utility model, air is fed from the filter cavity at the top of the front surface, then is fed from the lower cavity of the air inlet cavity to the upper cavity, and is horizontally fed to the circulating air cavity at the back through the axial flow fan, and the back is blown forward, so that circulating flow is realized, the previous top air inlet mode of the top fan is changed, and the fluidity and uniformity of air flow are good.

4. The filter device is arranged in the filter cavity, so that air in the box body can be filtered, the air quality is ensured, the influence of the air quality on cell culture in the box body is prevented, and the filter device is easy to detach, replace and clean.

5. The corners of the inner container are arc-shaped corners, so that dirt can be prevented from being collected, the inner container is easier to clean, the problem that the corners of the traditional carbon dioxide incubator are right angles, dirt is easy to collect, the colony number of the incubator body is increased, and the cell culture efficiency is low is solved; similarly, the arc-shaped supporting protrusions are arc-shaped, dirt collection and dirt containing can be prevented, and cleaning is convenient.

6. According to the utility model, the transparent glass window is arranged on the door of the box body, and when in observation, the glass window door is only required to be opened, the transparent glass window is used for observation, the door of the box body is not required to be opened, and the influence of external air on the culture in the inner container is prevented.

7. The radiator fan, the wind wheel motor, the electromagnetic control valve and the like are arranged in the device cavity layer and positioned outside the box body, so that the influence of heat in the box body on the radiator fan and the wind wheel motor is prevented.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the present utility model;

FIG. 2 is a perspective view of an open glazing door of the present utility model;

FIG. 3 is a front view of the present utility model with the door open;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 5 is a perspective view of the liner;

FIG. 6 is a partial view of the internal structure of a device chamber layer;

FIG. 7 is a perspective view of a carbon dioxide assembly;

FIG. 8 is a cross-sectional view of a carbon dioxide assembly;

fig. 9 is a cross-sectional view of the air circulation driving device.

In the figure: 1-box, 10-device chamber layer, 11-outer box, 12-inner container, 121-arc supporting bulge, 13-air inlet cavity, 131-filter cavity, 132-upper cavity, 133-lower cavity, 14-circulation air cavity, 141-air outlet hole, 15-filter device, 16-air circulation driving device, 161-wind wheel, 162-wind wheel motor, 163-driving shaft, 17-box door, 18-transparent glass window, 181-glass window door, 19-locking piece, 2-carbon dioxide component, 21-carbon dioxide sensor, 22-heat abstractor, 221-radiator, 222-heat radiating fan, 223-mounting hole, 224-single-through copper stud, 23-heat insulating device and 24-carbon dioxide detection hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to FIGS. 1 to 9, a carbon dioxide incubator includes a cabinet 1; be provided with carbon dioxide subassembly 2 in the box 1, carbon dioxide subassembly 2 includes carbon dioxide sensor 21, carbon dioxide sensor 21 connects on being used for carbon dioxide sensor quick outside radiating heat abstractor 22, the outside parcel of heat abstractor 22 has the heat insulating device 23 that is used for preventing the inside heat transfer to carbon dioxide sensor 21 of box, has seted up the carbon dioxide detection hole 24 that leads to carbon dioxide sensor 21 on the heat insulating device 23, the heat abstractor 22 is the heat dissipation end and is located outside the box 1 with the relative one end of carbon dioxide detection hole 24.

The outermost part of the carbon dioxide sensor 21 is the heat insulation device 23, which can play a good heat insulation role, reduce the heat transfer from the inside of the box to the carbon dioxide sensor 21, and because the carbon dioxide sensor 21 is required to be contacted with the air in the box 1 through the carbon dioxide detection hole 24 to achieve the aim of detecting the concentration of carbon dioxide, the heat in the air is inevitably transferred to the carbon dioxide sensor 21 through the carbon dioxide detection hole 24, at the moment, the heat on the carbon dioxide sensor 21 is quickly and outwards radiated through the heat radiation device 22, the aim of reducing the temperature is achieved, the temperature of the carbon dioxide sensor 21 is not too high, and the carbon dioxide sensor 21 works at a specified working temperature. The carbon dioxide incubator is generally provided with 37 ℃ in the use process for culturing cells, so the inside cleanliness requirement is high, sterilization is needed in stages, the utility model can realize high-temperature sterilization at 120-180 ℃, the carbon dioxide sensor 21 is not required to be dismantled during sterilization, and secondary pollution can be caused by reloading the carbon dioxide sensor 21 after the sterilization is finished if the carbon dioxide sensor 21 is dismantled.

In some embodiments, the heat dissipating device 22 includes a heat sink 221 and a heat dissipating fan 222, a mounting hole 223 for mounting the carbon dioxide sensor 21 is formed in the middle of the heat sink 221, one end of the mounting hole 223 corresponds to the carbon dioxide detecting hole 24, and the heat dissipating fan 222 is mounted on the other end of the mounting hole 223; the heat insulation device 23 is a heat insulation sleeve.

The radiator 221 may be a heat-dissipating aluminum section, the radiator 221 is cylindrical, the mounting hole 223 is located in the middle of the radiator 221, the mounting hole 223 penetrates through two end faces of the radiator 221, a plurality of heat-dissipating blades are arranged at intervals on the periphery of the radiator 221, the heat-dissipating fan 222 is fixedly connected to the radiator 221 through a single-pass copper stud 224, and the heat-insulating sleeve is made of a glass fiber resin composite material.

In some embodiments, the device further comprises a carbon dioxide inlet pipe (not shown) inserted into the box body 1, and an electromagnetic control valve (not shown) is connected to the carbon dioxide inlet pipe, and the device further comprises a temperature sensor (not shown) for monitoring the temperature of air in the box body 1.

In some embodiments, the case 1 includes an outer case 11, a heat insulation layer (not shown) and a liner 12 from outside to inside, a heating device (not shown) is disposed on the outer surface of the liner 12, an air inlet cavity 13 is separated from the inner upper portion of the liner 12, a circulation air cavity 14 is disposed on the inner rear portion of the liner 12, the air inlet cavity 13 is communicated with the circulation air cavity 14, a filtering device 15 is disposed in the front portion of the air inlet cavity 13, an air circulation driving device 16 for driving air to circulate is disposed on the rear portion of the air inlet cavity 13, the carbon dioxide detection hole 24 is communicated with the rear portion of the air inlet cavity 13 for carbon dioxide detection, and the circulation air cavity 14 is communicated with the front portion of the liner 12 through a plurality of air outlet holes 141.

The air circulation loop is air-in from the filter cavity 131 at the top of the front, then from the lower cavity 133 of the air inlet cavity to the upper cavity 132, and is horizontally sent to the circulation air cavity 14 at the back through the axial flow fan, the back is blown out forwards, circulation flow is realized, the mode of air-in from the top of the top fan in the past is changed, and the fluidity and uniformity of air flow are good. The filter device 15 is arranged in the filter cavity 131, so that air in the box body 1 can be filtered, the air quality is ensured, the influence of the air quality on cell culture in the box body 1 is prevented, and the filter device is easy to detach, replace and clean.

Wherein, heating device can select electric heating wire, the heat preservation can select rock wool, filter equipment 16 can select HEPA filter screen.

In some embodiments, the corners of the inner container 12 are arc corners for preventing dirt from being accumulated, and a plurality of groups of symmetrical arc supporting protrusions 121 are arranged on the inner walls of the two sides of the inner container 12 from top to bottom, and the arc supporting protrusions 121 are used for placing supporting plates. The corners of the inner container 12 are arc-shaped corners, so that dirt can be prevented from being collected, the carbon dioxide incubator is easier to clean, the corners of the traditional carbon dioxide incubator are right angles, dirt can be easily collected, the number of colonies of the incubator is increased, and the efficiency of cell culture is low; similarly, the arc-shaped supporting protrusions 121 are arc-shaped, dirt can be prevented from being collected, cleaning is convenient, and the arc-shaped supporting protrusions 121 can be integrally formed in a stamping mode.

In some embodiments, the front part of the air inlet cavity 13 is a filter cavity 131, and the filter device 15 is installed in the filter cavity 131; the rear part of the air inlet cavity 13 is divided into an upper cavity 132 and a lower cavity 133, an air vent is arranged between the upper cavity 132 and the lower cavity 133, and the rear end of the upper cavity 132 is communicated with the upper end of the circulating air cavity 14; the air circulation driving device 16 is an axial flow fan, the axial flow fan comprises a wind wheel 161 and a wind wheel motor 162, the wind wheel motor 162 is connected with the wind wheel 161 through a driving shaft 163, the wind wheel 161 is positioned at a vent, and the wind wheel motor 162 is positioned outside the box body. The carbon dioxide inlet pipe can be inserted into the upper cavity 132 to add carbon dioxide, the number of the carbon dioxide inlet pipes can be one or two, if two carbon dioxide inlet pipes are more uniform, the temperature sensor can be arranged in the upper cavity 132 to detect the temperature, if two carbon dioxide inlet pipes are provided, the detected temperature is more accurate, and if one temperature sensor is damaged, the other carbon dioxide inlet pipe can be normally used.

In some embodiments, the box 1 is hinged with a box door 17, a transparent glass window 18 is arranged on the box door 17, a glass window door 181 matched with the transparent glass window 18 is hinged on the box door 17, and the front ends of the outer box 11 and the inner container 12 are open ends. The utility model is provided with the transparent glass window 18, and when in observation, the glass window door 181 only needs to be used for observing through the transparent glass window 18, so that the influence of external air on the culture in the liner 12 is prevented. The glass has good high temperature resistance and can bear the temperature of 600 ℃ generally, so the temperature of 120-180 ℃ does not influence the use of the transparent glass window 18. The door 17 and the glass window 181 are also provided with a heat-insulating layer, and rock wool can be selected as the heat-insulating layer. The sealing strips of the box door 17, the transparent glass window 18 and the outer box 11, and the like can use high-temperature-resistant sealing strips, and the locking elements 19 of the box door 17, the transparent glass window 18 and the outer box are all metal pieces, so that the working of the sealing strips is not affected at the temperature of 120-180 ℃.

In some embodiments, the top of the outer housing 11 is provided with a device chamber layer 10. The cooling fan 222, the wind wheel motor 162, the electromagnetic control valve and the like are arranged in the device cavity layer 10 and are positioned outside the box body 1, so that the heat in the box body 1 is prevented from influencing the cooling fan 222 and the wind wheel motor 162, and the device cavity layer 10 can be provided with a plurality of ventilation holes which are beneficial to ventilation and heat dissipation, in particular to the places corresponding to the cooling fan and the wind wheel motor.

In some embodiments, the whole box body is divided into a box door 17, an outer box body 11 and a device cavity layer 10, wherein the device cavity layer 10 is fixed by adopting internal hidden screws, so that appearance screws are reduced; the inner container is fixed, and is hung and fixed through eight hidden screws, so that the inner container can be quickly installed, and the heat conduction between the inner container 12 and an external structure is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. Carbon dioxide incubator, its characterized in that:

comprises a box body;

the box is internally provided with a carbon dioxide component, the carbon dioxide component comprises a carbon dioxide sensor, the carbon dioxide sensor is connected to a heat dissipation device for rapidly dissipating heat of the carbon dioxide sensor, the heat dissipation device is externally wrapped with a heat insulation device for preventing the heat transfer from the box to the carbon dioxide sensor, a carbon dioxide detection hole leading to the carbon dioxide sensor is formed in the heat insulation device, and one end of the heat dissipation device opposite to the carbon dioxide detection hole is a heat dissipation end and is located outside the box.

2. The carbon dioxide incubator of claim 1, wherein: the heat dissipation device comprises a radiator and a heat dissipation fan, wherein a mounting hole for mounting the carbon dioxide sensor is formed in the middle of the radiator, one end of the mounting hole corresponds to the carbon dioxide detection hole, and the heat dissipation fan is mounted at the other end of the mounting hole; the heat insulation device is a heat insulation sleeve.

3. The carbon dioxide incubator of claim 2, wherein: the radiator is made of heat dissipation aluminum profiles, the heat dissipation fan is fixedly connected to the radiator through a single-pass copper stud, and the heat insulation sleeve is made of glass fiber resin composite materials.

4. The carbon dioxide incubator of claim 1, wherein: the device also comprises a carbon dioxide inlet pipe inserted into the box body, wherein the carbon dioxide inlet pipe is connected with an electromagnetic control valve, and the device also comprises a temperature sensor for monitoring the temperature of air in the box body.

5. The carbon dioxide incubator of any one of claims 1-4, wherein: the box is from outer to interior including outer box, heat preservation and inner bag, and the surface of inner bag is provided with heating device, and the interior upper portion of inner bag has the chamber of admitting air, and the interior rear portion of inner bag separates there is circulation air cavity, and the chamber of admitting air communicates with circulation air cavity, is provided with filter equipment in the front portion of chamber of admitting air, and the rear portion of chamber of admitting air is provided with the air circulation drive arrangement who is used for driving the air circulation flow, carbon dioxide detection hole is used for carbon dioxide detection with the rear portion intercommunication of chamber of admitting air, and circulation air cavity communicates with the front portion of inner bag through a plurality of ventholes.

6. The carbon dioxide incubator of claim 5, wherein: the heating device is an electric heating wire, the heat preservation layer is rock wool, and the filtering device is a HEPA filter screen.

7. The carbon dioxide incubator of claim 5, wherein: the corner of inner bag is the arc corner that is used for preventing to collect dirty, the both sides inner wall from the top down of inner bag is provided with a plurality of groups of symmetrical arc supporting bulge.

8. The carbon dioxide incubator of claim 5, wherein: the front part of the air inlet cavity is a filter cavity, and the filter device is arranged in the filter cavity; the rear part of the air inlet cavity is divided into an upper cavity and a lower cavity, an air vent is arranged between the upper cavity and the lower cavity, and the rear end of the upper cavity is communicated with the upper end of the circulating air cavity; the air circulation driving device is an axial flow fan, the axial flow fan comprises a wind wheel and a wind wheel motor, the wind wheel motor is connected with the wind wheel through a driving shaft, the wind wheel is positioned at the air vent, and the wind wheel motor is positioned outside the box body.

9. The carbon dioxide incubator of claim 5, wherein: the box body is hinged with a box door, a transparent glass window is arranged on the box door, a glass window door matched with the transparent glass window is hinged on the box door, and the front ends of the outer box body and the inner container are open ends.

10. The carbon dioxide incubator of claim 5, wherein: and a device cavity layer is arranged at the top of the outer box body.