CN216864200U

CN216864200U - Culture box

Info

Publication number: CN216864200U
Application number: CN202220234331.1U
Authority: CN
Inventors: 谷田
Original assignee: Qingdao Qidian Biological Co ltd
Current assignee: Qingdao Qidian Biological Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-01
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to an incubator, which belongs to the technical field of cell culture and comprises a culture chamber, a transmission mechanism and a power mechanism; the culture chamber is internally provided with a plurality of placing stations for placing cell culture containers, all the placing stations are arranged in a ring shape, the culture chamber is provided with an object taking opening corresponding to one placing station, and the size of the object taking opening corresponds to the size of the cell culture container; the transmission mechanism is used for driving the cell culture containers to be sequentially transmitted among the placing stations; the power mechanism is used for driving the transmission mechanism to move and is connected with the transmission mechanism. The cell culture container can be sequentially transferred among the placing stations which are arranged in a ring shape by arranging the transmission mechanism, station switching is automatically realized, when the cell culture container needs to be taken out, the cell culture container only needs to be moved to the placing station corresponding to the taking port, and the cell culture container is convenient and quick to take out; meanwhile, the butt joint door of the incubator is small, the overall structure is large in size, and large-scale production of cells is facilitated.

Description

Culture box

Technical Field

The utility model belongs to the technical field of cell culture, and particularly relates to an incubator.

Background

In the cell culture, cells are bred and proliferated by using nutrients and the like in an artificial environment, and the cells are used for a culture process of various purposes. Cell culture is a culture process for breeding and proliferating cells by using nutrients and the like in an artificial environment and using the cells for various purposes. Cell culture is extremely demanding on environmental conditions, and can cause cell contamination by slight carelessness. The cell culture box is a device capable of simulating the cell growth environment, and can create a sterile, nontoxic and constant-temperature closed environment for cells. Cell culture boxes are an important limiting factor for the development of cell culture technology.

Cell culture household utensils are all through the butt joint door business turn over incubator, and operating personnel carries out the operation through the gloves of isolator, and the operation can be accomplished to the very big that the butt joint door of incubator and isolator will be opened, and when the incubator volume is great, the opening scope of butt joint door exceedes the area of isolator butt joint face very easily, causes unable butt joint. The existing incubator is mostly drawer type or rotating disc type, wherein, in traditional drawer type, the cell culture vessel can not move in the airtight incubator, the station can not be switched, the cell culture vessel is inconvenient to flow in and out of the incubator, especially when the cell culture vessel with a certain number needs to be taken out, the cell culture vessel in the incubator needs to be taken out completely, and then the cell culture vessel is put back one by one, and the taking and placing time is long. Although the turntable can take out the cell culture vessel with the required specific number by rotating the turntable, the docking door needs to be opened vertically because the station of the turntable cannot be lifted. Meanwhile, cells in the cell culture vessel need to be observed and photographed in real time through an electron microscope to know the growth condition of the cells. The drawer type usually places an electron microscope module under each cell culture vessel, and the rotating disc type places an electron microscope module under each layer of rotating disc, and the two modes occupy the space of the culture vessel contained in the incubator and increase the cost of the electron microscope. In addition, current incubators are not conducive to large-scale production of cells.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the related technology, the utility model provides the incubator, the incubator has a small taking opening, and the cell culture container is convenient to take and place; the whole volume is large, and the large-scale production of cells is facilitated.

The present invention provides an incubator comprising:

the culture chamber is internally provided with a plurality of placing stations for placing cell culture containers, all the placing stations are arranged in a ring shape, the culture chamber is provided with an object taking opening corresponding to one placing station, and the size of the object taking opening corresponds to the size of the cell culture container;

the transmission mechanism is used for driving the cell culture containers to be sequentially transmitted among the placing stations;

and the power mechanism is used for driving the transmission mechanism to move and is connected with the transmission mechanism.

This technical scheme is through setting up drive mechanism, makes the cell culture container can be in order transmitting between the station of placing that is the annular arrangement, realizes the station automatically and switches, and when the cell culture container was taken out to needs, drive mechanism drives the cell culture container and removes to getting the thing mouth and can take out under power unit's effect, and the cell culture container takes out convenient and fast.

In some embodiments, a support frame is arranged in the incubator, the support frame is provided with a plurality of placing tools for placing cell culture containers, the placing tools are connected with a transmission mechanism, the transmission mechanism drives the placing tools to move relative to the support frame along an annular position of a placing station so as to drive the cell culture containers to be transmitted between the placing stations, and the placing tools can rotate relative to the support frame under the action of gravity so as to keep the placing tools in the same placing direction all the time.

According to the technical scheme, the cell culture container is placed through the placing tool arranged on the supporting frame, and the placing tool is driven to move by the transmission mechanism, so that the cell culture container is transferred between the placing stations; can rotate with the support frame through placing the frock to keep placing the frock and all the time same direction transmission of placing.

In some of these embodiments, place the frock and include the supporter that is used for placing the cell culture container and wear to establish the connecting axle at supporter top, the supporter rotates with the connecting axle through the bearing to be connected, and the connecting axle is connected in drive mechanism, and when drive mechanism drove and places the frock and remove, the supporter was located the connecting axle below all the time under the action of gravity in order to keep the cell culture container of its placing to be in steady state, remains same orientation of placing all the time.

This technical scheme places the cell culture container through setting up the supporter, utilizes supporter and connecting axle to rotate to be connected, makes the supporter can be under the action of gravity with the connecting axle relative rotation to make it to be located the connecting axle below all the time, thereby keep its cell culture container of placing to steadily to remove, make the cell culture container keep same direction of placing.

In some embodiments, the transmission mechanism comprises an inner transmission assembly and an outer transmission assembly, and the inner transmission assembly and the outer transmission assembly are both arranged on the support frame; the outer transmission assembly is connected to the placing tool and used for guiding the movement of the placing tool; the inner transmission component is connected with the power mechanism and used for driving the placing tool to move so that the cell culture container can be sequentially transmitted between the placing stations, and the inner transmission component is in transmission connection with the outer transmission component.

According to the technical scheme, the outer transmission assembly is arranged, so that the placing tool can be guided to move along the annular direction where the placing station is located; through setting up interior transmission assembly, drive and place the frock and remove, make cell culture container transfer in proper order between placing the station.

In some embodiments, the inner transmission assembly includes a transmission chain, two ends of the transmission chain are respectively engaged with the first chain wheel and the second chain wheel, the first chain wheel and the second chain wheel are both mounted on the support frame, the transmission chain is in transmission connection with the outer transmission assembly, and the first chain wheel is connected to the power mechanism.

This technical scheme passes through sprocket drive, realizes placing the frock and transferring in proper order between placing the station.

In some embodiments, the inner transmission assembly further comprises an inner rail mounted on the support frame, and the transmission chain is connected with a plurality of inner rail wheels sliding along the inner rail.

This technical scheme is through setting up interior track and rather than the interior rail wheel of complex, plays the guide effect to the rotation of drive chain, makes drive chain transmission more steady.

In some of these embodiments, outer drive assembly includes along placing the outer track of station place annular setting, and outer track is installed in the support frame, is equipped with in the outer track and places the outer rail wheel that the frock one-to-one is connected, and outer rail wheel slides along outer track, and outer rail wheel passes through the connecting plate transmission with interior rail wheel and is connected.

This technical scheme is through setting up outer rail wheel, utilizes outer rail wheel to slide along outer track, to placing the frock and moving along the annular and play the guide effect.

In some of these embodiments, the inner track is located within the outer track, the distance of the inner track from the outer track being constant.

This technical scheme is through setting up the distance invariant of interior track and outer track to guarantee to place the frock and can steadily transmit.

In some embodiments, the power mechanism comprises a speed reducing motor, a motor chain wheel fixedly connected to an output shaft of the speed reducing motor, and a driven chain wheel coaxially connected to the first chain wheel, wherein the motor chain wheel is in transmission connection with the driven chain wheel through a motor chain.

In some embodiments, two ends of the placing tool are respectively connected with a transmission mechanism, wherein one end of the transmission mechanism is in driving transmission, the other end of the transmission mechanism is in driven transmission, and a first chain wheel of the driving transmission mechanism is connected with a driven chain wheel of the power mechanism.

According to the technical scheme, the transmission mechanisms are respectively arranged at the two ends of the placing tool, so that the moving stability of the placing tool along the placing station is improved; the power mechanism is connected with the driving transmission mechanism, the placing tool moves along the placing station under the action of the driving transmission mechanism, and the driven transmission mechanism plays a role in guiding the placing tool.

In some embodiments, the culture chamber is provided with an observation position corresponding to one of the placing stations, the observation position is provided with a microscope module, and the microscope module is used for observing cells in the cell culture container.

According to the technical scheme, the observation position is arranged, and the cell culture container moved to the observation position is observed and photographed by using the microscope module.

In some of these embodiments, the incubator still includes the inner cover and the dustcoat that the cover was located the inner cover outside that are used for forming the cultivation room, and it has the heat preservation to fill between inner cover and the dustcoat, gets the thing mouth and sets up in the dustcoat, and heat preservation and inner cover all are equipped with and get the opening that the thing mouth corresponds, and the microscope module is located cultivation room bottom.

According to the technical scheme, the outer cover is arranged to protect the heat preservation chamber, so that the safety of cell culture work in the culture chamber is improved; a heat preservation chamber is formed on the inner side of the outer cover through a heat preservation layer so as to maintain the constant temperature environment of the culture chamber; the fetching port is arranged on the outer cover, so that the cell culture container is convenient to fetch and place; through setting up the microscope module in the heat preservation room bottom, be convenient for observe the cell in the cell culture container.

Based on the technical scheme, the butt joint door of the incubator in the embodiment of the utility model is small, the overall structure is large in volume, and the large-scale production of cells is facilitated; the cell culture container can accomplish the station automatically and switch, and the cell culture container that treats to take out only needs to move to the station that gets the thing mouth and correspond and can follow and get the thing mouth and take out, and getting of cell culture container is put convenient and fast.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a perspective view of an incubator of the present invention with the cover removed;

FIG. 2 is a front view of an incubator according to an embodiment of the present invention, with inner and outer covers and an insulating layer in a cross-sectional state;

FIG. 3 is a schematic diagram of the structure of the support frame and the transmission mechanism in one embodiment of the incubator of the present invention;

FIG. 4 is a schematic structural view of a placing tool connected with a transmission mechanism in one embodiment of the incubator of the present invention;

FIG. 5 is a schematic structural diagram of a support frame, a transmission mechanism and a power mechanism in one embodiment of the incubator of the present invention;

FIG. 6 is an enlarged view of a portion of the inner rail wheel, the outer rail wheel and the driving chain in one embodiment of the incubator of the present invention;

FIG. 7 is a schematic view of an incubator with a housing according to an embodiment of the present invention.

In the figure:

1. a base; 2. a microscope module; 3. a cell culture vessel; 4. a support frame; 5. a transmission mechanism; 6. a power mechanism; 7. placing a tool; 8. a housing; 9. a heat-insulating layer; 10. an inner cover;

41. a fixed mount; 42. a reinforcing plate;

51. an inner drive assembly; 52. an outer drive assembly;

61. a driven sprocket; 62. a motor chain; 63. a reduction motor;

71. a connecting shaft; 72. a rack;

511. a second sprocket; 512. a drive chain; 513. an inner rail; 514. a first sprocket; 515. an inner rail wheel; 516. an outer rail wheel; 517. a connecting plate.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that, 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; 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 in specific cases to those skilled in the art.

As shown in FIGS. 1 to 7, in an exemplary embodiment of the incubator of the present invention, the incubator comprises an incubation chamber, a driving mechanism 5, a power mechanism 6; a plurality of placing stations for placing the cell culture container 3 are arranged in the culture chamber, all the placing stations are arranged in a ring shape, the culture chamber is provided with an object taking opening corresponding to one placing station, and the size of the object taking opening corresponds to the size of the cell culture container 3; the transmission mechanism 5 is used for driving the cell culture containers 3 to be sequentially transmitted among the placing stations; the power mechanism 6 is used for driving the transmission mechanism 5 to move, and the power mechanism 6 is connected with the transmission mechanism 5. The cell culture vessel 3 may be a cell factory, a culture flask, or the like.

The operating principle of the incubator is as follows: the transmission mechanism 5 drives the cell culture container 3 to transmit among the placing stations which are arranged in a ring shape, and the power mechanism 6 provides power for the transmission of the transmission mechanism 5; when a specific cell culture container 3 needs to be taken out, the cell culture container 3 moves to a placing station corresponding to the fetching port under the action of the transmission mechanism 5, and an operator can take out the cell culture container 3 from the fetching port.

In above-mentioned incubator, cell culture container 3 transmits in proper order between the station of placing that is the annular arrangement under drive mechanism 5's effect, realizes the station automatically and switches, and cell culture container 3 moves to the station of placing that gets the thing mouth and correspond and can take out, and above-mentioned incubator is got and is put 3 convenient and fast of cell culture container.

In order to facilitate the movement of the cell culture container 3, in some embodiments, as shown in fig. 1 to 4, a support frame 4 is disposed in the incubator, the support frame 4 is provided with a plurality of placing tools 7 for placing the cell culture container 3, the placing tools 7 are connected with a transmission mechanism 5, the transmission mechanism 5 drives the placing tools 7 to move relative to the support frame 4 along an annular shape where the placing stations are located so as to drive the cell culture container 3 to be transferred between the placing stations, and the placing tools 7 can rotate relative to the support frame 4 under the action of gravity so as to keep the same placing direction all the time. Place frock 7 through setting up on support frame 4 and place cell culture container 3, utilize drive mechanism 5 to drive and place frock 7 and realize driving cell culture container 3 and placing the transmission between the station, simultaneously, place frock 7 and can rotate 4 relative support frames under the action of gravity, make cell culture container 3 keep same orientation of placing on placing frock 7 all the time to keep its stability in the transmission course. It should be further noted that, as shown in fig. 1, the supporting frame 4 includes a fixing frame 41 and reinforcing plates 42 located at two ends of the fixing frame 41, the fixing frame 41 is used for installing the transmission mechanism 5 and the placing tool 7, wherein the placing tool 7 is installed on the fixing frame 41 through the transmission mechanism 5; the reinforcing plate 42 is connected to the transmission mechanism 5 and the fixing frame 41, and is used for increasing the connection strength between the transmission mechanism 5 and the fixing frame 41.

In order to facilitate observing cells in the cell culture container 3, in some embodiments, as shown in fig. 4, the placing tool 7 includes a rack 72 for placing the cell culture container 3 and a connecting shaft 71 penetrating the top of the rack 72, the rack 72 is rotatably connected to the connecting shaft 71 through a bearing, the connecting shaft 71 is connected to the transmission mechanism 5, the transmission mechanism 5 drives the placing tool 7 to move, the rack 72 is always located below the connecting shaft 71 under the action of gravity to keep the cell culture container 3 placed therein in a stable state, so that the cell culture container 3 is always placed along the same placing direction. The transmission mechanism 5 is used for driving the placing tool 7 to move so as to realize the transmission of the cell culture container 3 between the placing stations; place frock 7 and can rotate with support frame 4 at the removal in-process to make cell culture container 3 keep same direction of placing and transfer between placing the station, so that microscope module 2 observes and shoots the cell in cell culture container 3.

In order to facilitate the movement of the placing tool 7 and guide the movement of the placing tool 7, in some embodiments, as shown in fig. 3 to 5, the transmission mechanism 5 includes an inner transmission assembly 51 and an outer transmission assembly 52, and both the inner transmission assembly 51 and the outer transmission assembly 52 are mounted on the supporting frame 4; the outer transmission component 52 is connected to the placing tool 7 and used for guiding the movement of the placing tool 7; the inner transmission assembly 51 is connected with the power mechanism 6 and used for driving the placing tool 7 to move so as to enable the cell culture containers 3 to be sequentially transmitted between the placing stations, and the inner transmission assembly 51 is in transmission connection with the outer transmission assembly 52. The outer transmission component 52 plays a role in guiding the placing tool 7 to move along the ring where the placing station is located; interior transmission assembly 51 drives places frock 7 and removes, makes cell culture container 3 can place the station and transmit in proper order, automatic switch-over station.

In order to facilitate the transfer of the placing tool 7, in some embodiments, as shown in fig. 4 and 6, the inner driving assembly 51 includes a driving chain 512, two ends of the driving chain 512 are respectively engaged with the first chain wheel 514 and the second chain wheel 511, the first chain wheel 514 and the second chain wheel 511 are both mounted on the supporting frame 4, the driving chain 512 is in driving connection with the outer driving assembly 52, and the first chain wheel 514 is connected to the power mechanism 6. The placing tools 7 are sequentially transferred among the placing stations under the action of the transmission chain 512.

In order to make the transmission of the transmission chain 512 smoother, in some embodiments, as shown in fig. 3 and 5, the inner transmission assembly 51 further includes an inner rail 513 installed on the supporting frame 4, and a plurality of inner rail wheels 515 sliding along the inner rail 513 are connected to the transmission chain 512. The inner rail 513 guides the rotation of the transmission chain 512 through the inner rail wheel 515, and can reduce the vibration generated during the transmission of the transmission chain 512. Preferably, the inner track wheel 515 is a non-metallic material to reduce impact and friction.

In order to guide the placing tool 7 to move along the circular shape, in some embodiments, as shown in fig. 2 to 6, the outer transmission assembly 52 includes an outer rail disposed along the circular shape of the placing station, the outer rail is mounted on the supporting frame 4, outer rail wheels 516 connected to the placing tool 7 in a one-to-one correspondence manner are disposed in the outer rail, the outer rail wheels 516 slide along the outer rail, and the outer rail wheels 516 are in transmission connection with the inner transmission assembly 51. The outer rail wheel 516 slides along the outer rail, so that the placing tool 7 is guided to move along the annular direction. Preferably, the outer track wheels 516 are non-metallic to reduce impact and friction. It should be noted that the inner track wheels 515 are mounted at two ends of the connecting shaft 71, and the inner track wheels 515 are in transmission connection with the outer track wheels 516 through a connecting plate 517. It should also be noted that the inner track 513 is located within the outer track, and the distance between the inner track 513 and the outer track is constant.

In order to provide power for the transmission of the transmission mechanism 5, in some embodiments, as shown in fig. 1 and 5, the power mechanism 6 includes a reduction motor 63, a motor sprocket fixedly connected to an output shaft of the reduction motor 63, and a driven sprocket 61 coaxially connected to the first sprocket 514, and the motor sprocket is in transmission connection with the driven sprocket 61 through a motor chain 62. It should be noted that, both ends of the connecting shaft 71 of the placing tool 7 are preferably connected with the transmission mechanisms 5 respectively, wherein one end of the transmission mechanism 5 is in driving transmission, the other end of the transmission mechanism 5 is in driven transmission, and the first chain wheel 514 of the driving transmission mechanism 5 is connected with the driven chain wheel 61 of the power mechanism 6. The transmission mechanisms 5 are respectively arranged at the two ends of the placing tool 7, so that the moving stability of the placing tool 7 along the placing station can be improved; the power mechanism 6 is connected with the driving transmission mechanism 5, the driving transmission mechanism 5 enables the placing tool 7 to move circularly along the placing station, and the driven transmission mechanism 5 plays a role in guiding the placing tool 7.

For observing and photographing the cell culture vessel 3, in some embodiments, as shown in fig. 1 and 2, the culture chamber is provided with an observation position corresponding to one of the placing stations, the observation position is provided with a microscope module 2, and the microscope module 2 is used for observing the cells in the cell culture vessel 3. When the cell culture container 3 to be observed moves to the placing station corresponding to the observation position, the microscope module 2 can observe and photograph the cell culture container 3 at the observation position.

It should be noted that, in some embodiments, as shown in fig. 2 and fig. 7, the incubator further includes an inner cover 10 for forming the culture chamber and an outer cover 8 covering the outer side of the inner cover 10, a heat insulating layer 9 is filled between the inner cover 10 and the outer cover 8, the object taking port is disposed on the outer cover 8, both the heat insulating layer 9 and the inner cover 10 are provided with through ports corresponding to the object taking port, and the microscope module 2 is located at the bottom of the culture chamber. The outer cover 8 plays a role in protecting the culture chamber so as to increase the safety of cell culture work in the culture chamber; the heat-insulating layer 9 is used for maintaining the constant temperature environment of the culture chamber; the object taking opening is arranged on the outer cover 8, and the heat preservation layer 9 and the inner cover 10 are both provided with through openings corresponding to the object taking opening, so that the cell culture container 3 is convenient to take and place; the microscope module 2 arranged at the bottom of the culture chamber can conveniently observe the cells in the cell culture container 3.

It should also be noted that, in some embodiments, as shown in fig. 1 and fig. 7, the culture chamber is mounted on a base 1, the base 1 is used for placing a control component, etc., the base 1 provides support for the culture chamber in an environment suitable for cell culture, and related control components and related technologies for maintaining the suitable cell culture environment belong to the prior art in the field and are not described herein again.

Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. Incubator, its characterized in that includes:

the cell culture container comprises a culture chamber, wherein a plurality of placing stations for placing cell culture containers are arranged in the culture chamber, all the placing stations are arranged in a ring shape, the culture chamber is provided with an object taking opening corresponding to one placing station, and the size of the object taking opening corresponds to the size of the cell culture container;

2. The incubator according to claim 1, wherein a support frame is provided in the incubator, the support frame is provided with a plurality of placing tools for placing the cell culture containers, the placing tools are connected with the transmission mechanism, the transmission mechanism drives the placing tools to move relative to the support frame along an annular shape where the placing stations are located so as to drive the cell culture containers to be transferred between the placing stations, and the placing tools can rotate relative to the support frame under the action of gravity so as to keep the placing tools in the same placing direction all the time.

3. The incubator according to claim 2, wherein the placing tool comprises a rack for placing the cell culture container and a connecting shaft penetrating the top of the rack, the rack is rotatably connected with the connecting shaft through a bearing, the connecting shaft is connected to the transmission mechanism, and when the transmission mechanism drives the placing tool to move, the rack is always positioned below the connecting shaft under the action of gravity to keep the cell culture container placed in the same placing direction.

4. The incubator of claim 2 or 3, wherein the drive mechanism comprises an inner drive assembly and an outer drive assembly, both of which are mounted to the support frame; the outer transmission assembly is connected to the placing tool and used for guiding the movement of the placing tool; the inner transmission assembly is connected with the power mechanism and used for driving the placing tool to move so as to enable the cell culture containers to be sequentially transferred among the placing stations, and the inner transmission assembly is in transmission connection with the outer transmission assembly.

5. The incubator according to claim 4, wherein the inner driving assembly comprises a driving chain, two ends of the driving chain are respectively engaged with a first chain wheel and a second chain wheel, the first chain wheel and the second chain wheel are both mounted on the supporting frame, the driving chain is in driving connection with the outer driving assembly, and the first chain wheel is connected to the power mechanism.

6. The incubator of claim 5 wherein the inner drive assembly further comprises an inner track mounted to the support frame, the drive chain having a plurality of inner wheels attached thereto that slide along the inner track.

7. The incubator according to claim 6, wherein the outer transmission assembly comprises an outer rail annularly arranged along the placement station, the outer rail is mounted on the support frame, outer rail wheels connected with the placement tools in a one-to-one correspondence manner are arranged in the outer rail, the outer rail wheels slide along the outer rail, and the outer rail wheels are in transmission connection with the inner rail wheels through connecting plates.

8. The incubator of claim 7, wherein the inner track is located within the outer track at a constant distance from the outer track.

9. The incubator as claimed in claim 5, wherein the power mechanism comprises a speed reduction motor, a motor sprocket fixedly connected to an output shaft of the speed reduction motor, and a driven sprocket coaxially connected to the first sprocket, the motor sprocket being drivingly connected to the driven sprocket through a motor chain.

10. The incubator according to claim 9, wherein the two ends of the placing tool are respectively connected with the transmission mechanisms, one end of the transmission mechanisms is in driving transmission, the other end of the transmission mechanisms is in driven transmission, and a first chain wheel of the transmission mechanism in driving transmission is connected with the driven chain wheel of the power mechanism.

11. An incubator according to claim 1, wherein the incubation chamber is provided with an observation station corresponding to one of the placement stations, the observation station being provided with a microscope module for observing cells in the cell culture vessel.

12. The incubator according to claim 11, further comprising an inner cover for forming the incubation chamber and an outer cover covering the outer side of the inner cover, wherein a heat insulating layer is filled between the inner cover and the outer cover, the object-taking port is provided in the outer cover, the heat insulating layer and the inner cover are both provided with through holes corresponding to the object-taking port, and the microscope module is located at the bottom of the incubation chamber.