CN218380062U - Low temperature storage device - Google Patents

Abstract

The utility model relates to a storage device technical field specifically provides a low temperature storage device, and the inside temperature that aims at solving each memory cell in the current low temperature storage device is the same, can't satisfy multiple freezing deposit simultaneously to different ambient temperature's storage demand and frequently open the door and carry out the heat preservation effect that access operation can influence equipment, makes its technical problem that can't reach the storage environment of ultra-low temperature. Therefore, the utility model discloses a low temperature storage device includes the freezer and installs access mechanism and a plurality of memory cell inside the freezer, and access mechanism is used for the access and transports and freezes the deposit, and memory cell includes box, the door body and a refrigerating plant, and the box is used for depositing and freezes the deposit, and the door body is used for isolated box inside and outside heat exchange, and a refrigerating plant is used for refrigerating the inside of box. Through the arrangement, each storage unit in the low-temperature storage equipment can be independently refrigerated and tempered, and the heat preservation performance and the flexibility in use of the equipment are enhanced.

Description

Low temperature storage device

Technical Field

The utility model relates to a storage device technical field specifically provides a low temperature storage device.

Background

The low-temperature storage device is widely applied to the fields of biology and medicine, and the ultralow-temperature environment which can be realized enables some biological and medical samples with strict requirements on temperature to be stored for a long time, so that the low-temperature storage device becomes an indispensable research and development device in the field.

At present, the existing ultralow temperature automatic refrigeration storage equipment uses liquid nitrogen as a refrigeration source, because frequent opening of a door to store and take articles can affect the sealing performance of the equipment, so that the storage equipment using the traditional refrigeration mode cannot reach an ultralow temperature (-150 ℃); in addition, a plurality of storage units in the storage device share one set of refrigerating device, so that the temperature in each storage unit is the same, and the storage requirements of different frozen objects on various temperature environments cannot be met.

Therefore, there is a need in the art for a new solution to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving above-mentioned technical problem, promptly, the inside temperature of solving each memory cell in the current low temperature storage equipment is the same, can't satisfy multiple freezing thing to different ambient temperature's storage demand and frequently open the door and carry out the heat preservation effect that access operation can influence equipment simultaneously, makes its technical problem that can't reach the storage environment of ultra-low temperature.

The utility model provides a low temperature storage equipment, low temperature storage equipment includes the freezer and installs inside access mechanism and a plurality of memory cell of freezer, access mechanism is used for the access and transports and freezes the deposit, the memory cell includes box, the door body and a refrigerating plant, the box is used for depositing and freezes the deposit, the door body is used for completely cutting off the inside and outside heat exchange of box, a refrigerating plant is used for right the inside of box refrigerates.

In the preferred technical scheme of above-mentioned low temperature storage equipment, the freezer includes main storehouse, transfer storehouse, first access hole and second access hole, main storehouse with the transfer storehouse passes through first access hole intercommunication, the transfer storehouse passes through second access hole and outside intercommunication, access mechanism with memory cell all installs in the main storehouse, access mechanism is used for freezing the deposit and is in first access hole with transport between the box.

In the preferable technical scheme of the low-temperature storage equipment, the low-temperature storage equipment further comprises a code scanning and pipe selecting mechanism installed in the transfer warehouse, and the code scanning and pipe selecting mechanism is used for identifying and selecting the target frozen object.

In the preferred technical scheme of above-mentioned cryogenic storage equipment, cryogenic storage equipment still including install first transport mechanism and second transport mechanism in the transfer warehouse, first transport mechanism is used for freezing the deposit and is in the second access port with sweep the sign indicating number and choose to transport between the pipe mechanism, second transport mechanism is used for freezing the deposit and is in sweep the sign indicating number choose the pipe mechanism with transport between the first access port.

In a preferred embodiment of the above low-temperature storage apparatus, the access mechanism includes a first guide rail, a second guide rail, and a manipulator, the first guide rail extends from one end of the main storage to the other end of the main storage along the arrangement direction of the cases, the second guide rail is perpendicular to the first guide rail and is slidably disposed on the first guide rail, and the manipulator is slidably disposed on the second guide rail.

In a preferred technical solution of the above low-temperature storage apparatus, the low-temperature storage apparatus further includes a second refrigeration device and a third refrigeration device, the second refrigeration device is configured to refrigerate the inside of the main storage, and the third refrigeration device is configured to refrigerate the inside of the transfer storage.

In an optimal technical scheme of the low-temperature storage device, a heat insulation door is arranged at the first access opening, and the heat insulation door can insulate heat exchange between the main warehouse and the transfer warehouse.

In the preferable technical scheme of the low-temperature storage equipment, the main storage is further provided with a standby refrigerating device, and the standby refrigerating device is used for performing emergency refrigeration on the main storage after the second refrigerating device fails.

In the preferable technical scheme of the low-temperature storage device, the standby refrigerating device is set to be a liquid nitrogen tank, and the liquid nitrogen tank is communicated with the main warehouse.

In the preferable technical scheme of the low-temperature storage equipment, a freezing rack for placing frozen objects is arranged in the box body.

Under the condition that adopts above-mentioned technical scheme, the utility model discloses a low temperature storage equipment includes the freezer and installs inside access mechanism and a plurality of memory cell of freezer, access mechanism is used for the access and transports and freezes the deposit, memory cell includes box, the door body and a refrigerating plant, the box is used for depositing and freezes the deposit, the door body is used for completely cutting off the heat exchange of the inside and outside of box, a refrigerating plant is used for right the inside of box refrigerates. Through the arrangement, each storage unit can be independently refrigerated and tempered through the first refrigerating device, and the storage requirements of various stored objects on different environmental temperatures are met; the arrangement of the independent door body ensures that the heat in other boxes can not be dissipated when the box body is opened to execute the access operation; due to the arrangement of the refrigeration house, each box body can be in a low-temperature environment, the dissipation of heat in the box bodies is effectively prevented, and the heat preservation performance of the refrigeration house is further enhanced; the access mechanism can automatically fetch frozen objects in the storage unit.

Further, the utility model discloses a freezer includes main storehouse, transfer storehouse, first access hole and second access hole, the main storehouse with the transfer storehouse passes through first access hole intercommunication, the transfer storehouse passes through second access hole and outside intercommunication, access mechanism with memory cell all installs in the main storehouse, access mechanism is used for freezing the deposit and is in first access hole with transport between the box. Through the arrangement, the sealing property and the heat preservation property of the storage unit are enhanced by using the main warehouse so as to realize the ultralow temperature environment in the box body; the transfer warehouse enables the frozen objects to be in a low-temperature environment all the time in the process of transferring in the middle, and the activity of the frozen objects is guaranteed.

Still further, the utility model discloses a low temperature storage equipment is still including installing sweep sign indicating number in the transfer warehouse and choose a tub mechanism, sweep a sign indicating number and choose tub mechanism and be used for discerning and choose the target and freeze the deposit. Through such setting, thereby can carry out automatic identification, record and classification to the information of freezing deposit in the transfer warehouse and realize the accurate access of freezing deposit.

Still further, the utility model discloses a low temperature storage equipment is still including installing first transport mechanism and second transport mechanism in the transfer warehouse, first transport mechanism is used for freezing the deposit and is in the second access mouth with sweep and transfer between the sign indicating number pipe picking mechanism, second transport mechanism is used for freezing the deposit and is in sweep the sign indicating number pipe picking mechanism with transfer between the first access mouth. Through such setting, realized freezing the thing and in the second access port, swept yard automatic circulation between the tube picking mechanism and the main storage, improved the circulation efficiency and the accuracy of freezing the thing.

Still further, the utility model discloses an access mechanism includes first guide rail, second guide rail and manipulator, first guide rail by the one end in main storehouse is followed the array direction of box extends to the other end in main storehouse, the second guide rail with first guide rail is perpendicular and slide and set up on the first guide rail, the manipulator slides and sets up on the second guide rail. Through the arrangement, the manipulator can move along the length direction of the first guide rail and the length direction of the second guide rail, and further can reach any storage position in the master library.

Still further, the utility model discloses a low temperature storage equipment still includes second refrigerating plant and third refrigerating plant, second refrigerating plant is used for right the inside of main storehouse refrigerates, third refrigerating plant is used for right the inside of transfer storehouse refrigerates. Through the arrangement, independent refrigeration and independent adjustment of internal temperature of the main storage and the transfer storage are realized, so that the internal temperature of each storage can be adjusted according to the storage requirement.

Still further, the utility model discloses a first access department is provided with the insulated door, the insulated door can completely cut off the main warehouse with heat exchange between the transfer storehouse. Through the arrangement, the sealing performance and the heat preservation performance of the main warehouse can be improved, heat in the main warehouse is effectively prevented from dissipating, the box body is always in a low-temperature environment, and the ultralow-temperature environment in the box body is further ensured.

Still further, the utility model discloses a main storehouse still is provided with reserve refrigerating plant, reserve refrigerating plant is used for behind the second refrigerating plant inefficacy right the main storehouse carries out emergent refrigeration. With such an arrangement, it is possible to prevent the frozen objects in the box from being damaged by the temperature rise due to the internal temperature of the box rising due to the rapid rise of the internal temperature of the main compartment caused by the failure of the second refrigeration device.

Still further, the utility model discloses a reserve refrigerating plant sets up to the liquid nitrogen container, the liquid nitrogen container with the main storehouse intercommunication. Through such setting, can refrigerate fast to the main storehouse, the liquid nitrogen device has advantages such as technology maturity, security height, refrigeration effect are good simultaneously.

Still further, the utility model discloses a be equipped with the freezing frame that deposits that is used for placing the freezing thing in the box. Through such setting for the frozen object can be classified and put in the box, and the manipulator of being convenient for carries out quick access, has still improved the space utilization of box simultaneously.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a low-temperature storage device of the present invention;

fig. 2 is a schematic structural diagram of a low-temperature storage device according to the present invention;

fig. 3 is a schematic structural view of the storing and taking mechanism of the present invention;

fig. 4 is a schematic structural diagram of the storage unit of the present invention.

List of reference numerals:

1. a master library; 11. an access mechanism; 111. a first guide rail; 112. a second guide rail; 113. a manipulator 12, a storage unit; 121. a box body; 122. a door body; 2. a transfer library; 21. a first conveying mechanism; 22. a second transport mechanism; 23. a code scanning and pipe selecting mechanism; 3. a first access port; 4. a second access port.

Detailed Description

Preferred embodiments of the present invention will be 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 are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms "inner", "outer", "upper", "lower", "top", "bottom", etc. indicating directions or positional relationships 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "mounted" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The inside temperature of each storage unit is the same in the current low temperature storage equipment pointed out based on the background art, can't satisfy multiple frozen material to different ambient temperature's storage demand and frequently open the door and deposit and withdraw article and influence the heat preservation effect of equipment, can't reach the technical problem of the storage environment of ultra-low temperature. The utility model provides a low temperature storage device, aim at through setting up independent refrigerating plant and door body for every storage unit, not only make every storage unit independently refrigerate and adjust the temperature, still make the door body of every storage unit open alone to reduce the influence to the internal temperature of other storage units, still increased the transfer storehouse simultaneously, through these settings, on the one hand, effectively promoted low temperature storage device's leakproofness and heat insulating ability, make each storage unit can reach the ultra-low temperature storage environment; on the other hand, the flexibility and the convenience of use of low temperature storage equipment have been improved, have satisfied multiple storage demand of freezing the thing to different ambient temperature simultaneously.

Specifically, as shown in fig. 1, the utility model discloses a low temperature storage equipment includes the freezer and installs access mechanism 11 and a plurality of memory cell 12 inside the freezer, and access mechanism 11 is used for the access and transports and freezes the deposit, and memory cell 12 includes box 121, door body 122 and first refrigerating plant (not shown in the figure), and box 121 is used for depositing and freezes the deposit, and door body 122 is used for completely cutting off the inside and outside heat exchange of box 121, first refrigerating plant is used for right the inside of box 121 refrigerates.

Exemplarily, as shown in fig. 1, the freezer is configured as a rectangular parallelepiped structure, a heat insulation layer is disposed in a housing of the freezer, a plurality of storage units 12 are arranged at the bottom of the freezer along a length direction of the freezer, the storage units 12 are configured as a box structure, the interior of the box 121 is used for storing frozen objects, a door 122 is disposed at the top of the box 121, the door 122 is also provided with the heat insulation layer, the door 122 can improve the sealing property and the heat insulation property of the box 121, so that heat in the box 121 is not easily dissipated, each storage unit 12 is provided with an independent refrigerating device, so as to realize independent refrigeration and temperature adjustment inside the box 121, in addition, an access mechanism 11 is further installed inside the freezer, and the access mechanism 11 can open the door 122 of the target box 121 according to a command to store frozen objects at a target position.

Because the traditional low-temperature storage device adopts a scheme that a plurality of storage units 12 share one set of liquid nitrogen for refrigeration, the temperature in each storage unit 12 is the same, and only frozen objects with the same temperature requirement can be stored, because the frozen objects are generally biological samples with strict temperature requirements, the utilization rate of the box body 121 in the storage device is lower, and when a plurality of biological samples need to be stored, a plurality of sets of low-temperature storage devices need to be used, and the waste of the device and energy is caused. The utility model provides an every memory cell 12 homoenergetic is enough refrigerates and adjusts the temperature through independent refrigerating plant separately, has satisfied multiple storage thing to different ambient temperature's demand, for each kind freezes the thing and matches the corresponding temperature environment with it, has improved the use economic nature and the flexibility of equipment.

Meanwhile, in the conventional low-temperature storage device, since each storage unit 12 shares one door 122, when articles are stored and taken, the door 122 needs to be frequently opened and closed, and when the door 122 is opened, all biological samples in the storage units 12 are exposed to the outside, so that the heat inside the biological samples is dissipated, and the heat preservation effect of each storage unit 12 is affected, therefore, the independent door 122 is arranged on the storage unit 12, so that the heat in other boxes 121 is not dissipated when the boxes 121 are opened and closed; in addition, the refrigerator body 121 is also in a low-temperature environment through the refrigeration house, so that heat dissipation in the refrigerator body 121 is prevented, the heat preservation effect of the refrigerator body 121 is further enhanced, and the refrigerator body 121 can be kept in an ultralow-temperature (-150 ℃) environment.

It should be noted that, in practical application, a person skilled in the art can flexibly set the first refrigeration device in the box 121 respectively, or set the first refrigeration device outside the refrigeration storage in a centralized manner, and communicate with each box 121 through a pipeline, as long as the independent refrigeration of the box 121 can be realized, and such flexible adjustment and change do not deviate from the principle and scope of the present invention, which should be limited in the scope of the present invention, the scheme of setting the first refrigeration device inside the box 121 is preferably adopted in the present embodiment.

It should be noted that, in practical application, a person skilled in the art can flexibly set the first refrigeration device as a compressor or a stirling refrigerator as long as a better refrigeration effect can be achieved, and such flexible adjustment and change do not deviate from the principles and scope of the present invention should be limited to the scope of the present invention, and the present embodiment preferably adopts a scheme of compressor refrigeration.

Preferably, as shown in fig. 2, the utility model discloses a freezer includes main storehouse 1, transfer storehouse 2, first access opening 3 and second access opening 4, and main storehouse 1 communicates through first access opening 3 with transfer storehouse 2, and transfer storehouse 2 communicates through second access opening 4 and outside, and access mechanism 11 and a plurality of memory cell 12 are all installed in main storehouse 1, and access mechanism 11 is used for freezing the thing and transports between first access opening 3 and box 121.

Specifically, the main warehouse 1 is connected with the transfer warehouse 2, the first access port 3 is arranged on the side wall connected with the main warehouse 2, and the second access port 4 is arranged on the other side wall of the transfer warehouse 2 and is communicated with the outside, so that when articles are to be stored, the articles enter the transfer warehouse 2 from the second access port 4, then enter the main warehouse 1 from the transfer warehouse 2, and finally enter the box body 121 for storage, and when the articles need to be taken out, the path is opposite, and the description is omitted.

Because the main warehouse 1 and the transfer warehouse 2 are both in low-temperature environment, on one hand, the heat preservation performance of the box body 121 can be enhanced, and the dissipation of heat in the box body 121 is reduced to the maximum extent, so that the ultralow-temperature environment in the box body 121 is realized; on the other hand, the frozen objects are always in a low-temperature environment in the storing, taking and transferring processes, and the activity of the frozen objects is ensured.

Preferably, as shown in fig. 2, the cryogenic storage device of the present invention further comprises a code scanning and pipe picking mechanism 23 installed in the staging warehouse 2, wherein the code scanning and pipe picking mechanism 23 is used for identifying and picking the target frozen object.

Sweep the sign indicating number and choose pipe mechanism 23 can carry out work such as automatic identification, classification, record and screening to the frozen thing that arrives in the transfer storehouse 2 thereby realize freezing the accurate access of deposit. In practical applications, the frozen object is usually a biological sample, the biological sample needs to be placed in a test tube, and then a plurality of test tubes form a freezing storage box, and the biological sample is accessed and circulated in the cryogenic storage device by using the freezing storage box as a carrier.

Specifically, sweep the sign indicating number and choose to install on the pipe mechanism 23 and sweep a sign indicating number appearance, the exclusive information sign indicating number has all been posted on the surface of freezing box and every test tube, when freezing box and test tube circulation to sweep the sign indicating number and choose on the pipe mechanism 23, sweep a sign indicating number appearance and can scan the information sign indicating number on freezing box and the test tube, read the information on the information sign indicating number, and with the information transmission to the treater that reads, again by the corresponding mechanism execution on next step of treater control access or choose a tub task, the information sign indicating number can set up to bar code or two-dimensional code etc..

Preferably, as shown in fig. 2, the utility model discloses a low temperature storage equipment is still including installing first transport mechanism 21 and second transport mechanism 22 in transfer storehouse 2, first transport mechanism 21 is used for freezing the deposit and is in second access port 4 with sweep yard pipe picking mechanism 23 between the transportation, second transport mechanism 22 is used for freezing the deposit and is in sweep yard pipe picking mechanism 23 with transport between the first access port 3.

Exemplarily, the first transmission mechanism 21 includes a first slide rail and a first mobile platform which are horizontally arranged, wherein one end of the first slide rail is connected with the second access opening 4, the other end of the first slide rail is connected with the code-sweeping pipe-picking mechanism 23, and the first mobile platform can horizontally move along the first slide rail to transport the cryopreserved box between the second access opening 4 and the code-sweeping pipe-picking mechanism 23.

Second transport mechanism 22 includes the second slide rail and the second moving platform of vertical setting, and wherein, the one end of second slide rail is connected and is swept a yard and choose tub mechanism 23, and first access mouth 3 is connected to the other end, and second moving platform can be along the vertical removal of second slide rail in order to be deposited the box with freezing and sweep a yard and choose tub mechanism 23 and first access mouth 3 between transport. The arrangement of the first transmission mechanism 21 and the second transmission mechanism 22 greatly improves the circulation efficiency and precision of the cryopreservation box.

It should be noted that, in practical application, a person skilled in the art can also flexibly set the conveying mechanism as a conveyor belt assembly as long as the transportation of the cryopreservation box can be realized, and the flexible adjustment and change do not deviate from the principle and scope of the present invention, and should be limited within the scope of the present invention, and the present embodiment preferably adopts a slide rail assembly as the conveying assembly.

Preferably, as shown in fig. 1 to 3, the access mechanism 11 of the present invention includes a first guide rail 111, a second guide rail 112 and a robot 113, wherein the first guide rail 111 extends from one end of the main storage 1 to the other end of the main storage 1 along the arrangement direction of the boxes 121, the second guide rail 112 is perpendicular to the first guide rail 111 and is slidably disposed on the first guide rail 111, and the robot 113 is slidably disposed on the second guide rail 112.

The number of the first guide rails 111 is two, the first guide rails are arranged on two sides of the main library 1 in parallel, two ends of the second guide rail 112 are respectively connected with the two first guide rails 111 in a sliding manner and can slide along the length direction of the first guide rails 111, and the manipulator 113 is arranged on the second guide rail 112 in a sliding manner and can slide along the length direction of the second guide rail 112.

Illustratively, the relative sliding between the first guide rail 111 and the second guide rail 112, and between the second guide rail 112 and the robot 113 is realized by a rack-and-pinion transmission mechanism, that is, a rack equal to the length of the first guide rail 111 is installed in the length direction of the first guide rail 111, gears engaged with the rack are installed at two ends of the second guide rail 112, and meanwhile, the gears are connected with a driving motor, and under the driving of the driving motor, the gears rotate along the rack and drive the second guide rail 112 and the robot 113 to slide along the first guide rail 111 together, and similarly, the robot 113 can also slide along the second guide rail 112.

In this way, the robot 113 can move along the longitudinal direction of the first guide rail 111, that is, the arrangement direction of the boxes 121, and can also move along the longitudinal direction of the second guide rail 112, that is, the longitudinal direction of the boxes 121, so that the robot 113 can reach any position in any one of the boxes 121 to transfer the cryopreservation box to a target storage position.

It should be noted that, in practical applications, a person skilled in the art may flexibly set the sliding connection manner between the first guide rail 111 and the second guide rail 112 and between the second guide rail 112 and the manipulator 113 to the matching of the pulley and the slide rail, or the matching between the slider and the chute, as long as the sliding connection between the first guide rail 111 and the second guide rail 112 and between the second guide rail 112 and the manipulator 112 can be achieved, such flexible adjustment and change do not deviate from the principle and scope of the present invention, which should be limited in the scope of the present invention, and the embodiment preferably adopts the matching manner of the pulley and the slide rail.

Preferably, the utility model discloses a low temperature storage equipment still includes second refrigerating plant (not shown in the figure) and third refrigerating plant (not shown in the figure), and the second refrigerating plant is used for refrigerating the inside of main storehouse 1, and the third refrigerating plant is used for refrigerating the inside of transfer storehouse 2.

Exemplarily, the second refrigerating device and the third refrigerating device are independent refrigerating units, and can refrigerate and adjust the temperature of the main warehouse 1 and the transfer warehouse 2 respectively, so that the ultralow temperature environment in the box body 121 is effectively ensured, and meanwhile, the transfer and code-sweeping and pipe-selecting processes of the cryopreservation box are all in the low-temperature environment, so that the biological samples are prevented from losing activity.

It should be noted that, in practical applications, a person skilled in the art can flexibly set the second refrigeration device and the third refrigeration device as a compressor or a stirling refrigerator, as long as the second refrigeration device and the third refrigeration device can perform emergency refrigeration on the main storage 1 and the intermediate storage 2, and such flexible adjustment and change do not deviate from the principle and scope of the present invention, which should be limited to the scope of the present invention, the present embodiment preferably uses a compressor as the second refrigeration device and the third refrigeration device.

Preferably, the utility model discloses a first access port 3 department is provided with insulated door (not shown in the figure), and insulated door can completely cut off the heat exchange between main storehouse 1 and the transfer storehouse 2.

The insulated door can keep apart main storehouse 1 and transfer storehouse 2, this is because transfer storehouse 2 and external intercommunication, satisfy the needs that biological sample accessed on the one hand, on the other hand satisfies personnel and carries out the needs of maintaining to equipment, lead to the temperature in the transfer storehouse 2 to be slightly more than main storehouse 1 temperature, therefore, the insulated door needs to have good leakproofness and heat-proof quality, can effectively reduce the heat exchange between main storehouse 1 and the transfer storehouse 2 after closing, and then reduce the heat loss in the main storehouse 1, be in the ultra-low temperature environment in the assurance box 121 all the time.

Preferably, the main storage 1 of the present invention is further provided with a backup refrigeration device (not shown in the figure), and the backup refrigeration device is used for emergency refrigeration of the main storage 1 after the second refrigeration device fails.

Because the main warehouse 1 needs to provide a low-temperature environment for the box body 121 and plays a role in isolating heat dissipation in the box body 121, the temperature in the main warehouse 1 must be kept constant, but the second refrigerating device for providing refrigeration for the main warehouse 1 has the risk of failure due to power failure or faults, and therefore, a standby refrigerating device is specially installed for the main warehouse 1, so that the constant low-temperature environment of the main warehouse 1 can be maintained, the temperature in the box body 121 can be prevented from rising sharply due to the temperature in the main warehouse 1, and the biological sample in the box body 121 is prevented from being damaged due to temperature rise.

It should be noted that, in practical application, a person skilled in the art can flexibly set the backup refrigeration device as a compressor, a stirling refrigerator or a liquid nitrogen tank, as long as the backup refrigeration device can perform emergency refrigeration on the main warehouse 1, and the principle and the range of the present invention are both limited within the scope of the present invention.

Preferably, the utility model discloses a reserve refrigerating plant sets up to the liquid nitrogen container, the liquid nitrogen container with main storehouse 1 intercommunication.

Because the liquid nitrogen device has advantages such as technology maturity, security height, refrigeration effect are good, communicate liquid nitrogen container and main storehouse 1 through the pipeline, when second refrigerating plant because of having a power failure or the trouble back that became invalid, can open the valve of liquid nitrogen container immediately and carry out emergent refrigeration to main storehouse 1, the liquid nitrogen container can be installed in the inside of main storehouse 1, also can install in the outside of main storehouse 1, and the mounted position can be adjusted according to user's demand.

Preferably, a freezing rack (not shown in the figure) for placing the freezing materials is arranged in the box body 121.

Specifically, the size of freezing the frame and the inside dimension looks adaptation of box 121, can wholly take out and put into from box 121, the frame of freezing is divided into a plurality of layers as required, every layer is divided into a plurality of again and is put the thing check, the box of freezing of storage can be placed just putting the thing check, specific access process does, the manipulator is opened door body 122 earlier, then will freeze the whole box of following of frame and propose, at last will freeze the box and deposit at the target location, make like this and freeze the thing and can neatly put in order in the box, the manipulator of being convenient for carries out quick access, the space utilization of box has still been improved simultaneously.

So far, the technical solution of the present invention has been described with reference to 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. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a low temperature storage equipment, its characterized in that, low temperature storage equipment includes the freezer and installs inside access mechanism and a plurality of memory cell of freezer, access mechanism is used for the access and transports and freezes the deposit, memory cell includes box, the door body and a refrigerating plant, the box is used for depositing and freezes the deposit, the door body is used for completely closing off the inside and outside heat exchange of box, a refrigerating plant is used for right the inside of box refrigerates.

2. The cryogenic storage device of claim 1, wherein the cold storage comprises a main storage, a transfer storage, a first access port and a second access port, the main storage is communicated with the transfer storage through the first access port, the transfer storage is communicated with the outside through the second access port, the access mechanism and the storage unit are both installed in the main storage, and the access mechanism is used for transferring frozen matters between the first access port and the box body.

3. The cryogenic storage device of claim 2, further comprising a code scanning and tube picking mechanism mounted within the transfer bay for identifying and picking target frozen stock.

4. The cryogenic storage device of claim 3, further comprising a first transfer mechanism and a second transfer mechanism mounted in the transfer bay, the first transfer mechanism being configured to transfer frozen material between the second access port and the code scanning and tube picking mechanism, the second transfer mechanism being configured to transfer frozen material between the code scanning and tube picking mechanism and the first access port.

5. The cryogenic storage device of claim 4, wherein the access mechanism comprises a first guide rail, a second guide rail and a manipulator, the first guide rail extends from one end of the main storage to the other end of the main storage along the arrangement direction of the boxes, the second guide rail is perpendicular to the first guide rail and is arranged on the first guide rail in a sliding manner, and the manipulator is arranged on the second guide rail in a sliding manner.

6. The cryogenic storage device of claim 2, further comprising a second refrigerating device for refrigerating the inside of the main tank and a third refrigerating device for refrigerating the inside of the intermediate tank.

7. The cryogenic storage device of claim 2, wherein an insulated door is provided at the first access opening, the insulated door being capable of insulating heat exchange between the main reservoir and the staging reservoir.

8. The cryogenic storage device of claim 6, wherein the main reservoir is further provided with a backup refrigeration means for emergency refrigeration of the main reservoir after failure of the second refrigeration means.

9. The cryogenic storage device of claim 8, the backup refrigeration unit being provided as a liquid nitrogen tank in communication with the main reservoir.

10. A cryogenic storage device according to any of claims 1 to 9 wherein a cryogenic shelf is provided within the tank for holding frozen material.

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