CN116692328A

CN116692328A - Single body workstation for storing biological samples

Info

Publication number: CN116692328A
Application number: CN202310736061.3A
Authority: CN
Inventors: 杨荣丽; 刘占杰; 张守兵; 范玉琪; 魏路键
Original assignee: Qingdao Haier Biomedical Co Ltd
Current assignee: Qingdao Haier Biomedical Co Ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-09-05

Abstract

The invention belongs to the technical field of biological sample storage, and particularly provides a single workstation for storing biological samples. The storage occupancy rate of the existing biological sample storage equipment is low, and the transfer device is inconvenient to maintain. The single work station comprises a box body, a freezing storage rack group positioned in the box body, a transferring manipulator, a shell and a linear conveying device positioned in the shell, wherein a first inlet and a first outlet are formed in the box body, and the transferring manipulator can transfer the freezing storage box between the freezing storage rack group and the first inlet and the first outlet; the casing is installed on the box and is located the outside of box, and the casing is through first import and export and box intercommunication, is equipped with the second and imports and exports on the casing, and the casing is through the second import and exports and communicate with the external world, and sharp conveyor can dock with transferring the manipulator and can dock with the external world to receive and transfer the cryopreservation box. The single workstation has high storage utilization rate and is convenient to maintain the linear conveying device.

Description

Single body workstation for storing biological samples

Technical Field

The invention belongs to the technical field of biological sample storage, and particularly provides a single workstation for storing biological samples.

Background

The development of life science research and the progress of disease analysis detection and treatment and health care technologies in the clinical medical field have promoted the increasingly wide demand for biological samples, and have also put higher demands on the storage technology and equipment of biological samples, including demands on the safety, reliability and stability of stored samples, and the accuracy, efficiency and scientificity of sample access processes and procedures. Biological samples often are stored in subjects that encompass samples of biological macromolecules, cells, tissues, and organs, such as human organ tissue, whole blood, plasma, serum, biological fluids, or processed biological samples (including DNA, RNA, proteins, etc.), and the like. However, long-term storage of biological samples generally requires the use of as low a temperature as possible to reduce the biochemical reactions within the sample and to increase the stability of the various components within the sample. In order to realize long-term, stable and reliable storage and sampling of large-batch biological samples, an automatic low-temperature biological sample access device and an ultralow-temperature biological sample access device are gradually becoming main storage devices.

In order to realize automatic access of the frozen storage box, the conventional automatic biological sample access equipment is provided with various transfer devices for receiving and transferring the frozen storage box, so that the storage space in the box body is low in occupied ratio for storing the frozen storage box, the storage utilization rate of the internal space is low, and in addition, the various transfer devices are positioned in a low-temperature environment in the box body of the equipment, and maintenance is difficult.

Accordingly, there is a need in the art for a new solution to the above-mentioned technical problems.

Disclosure of Invention

The invention aims to solve the technical problems that the storage occupancy rate of the existing biological sample storage equipment is low and the transfer device is inconvenient to maintain.

The invention provides a single workstation for storing biological samples, which comprises a box body, a freezing storage frame group and a transferring manipulator, wherein the freezing storage frame group and the transferring manipulator are arranged in the box body; the single body workstation still includes the casing and sets up linear conveyor in the casing, the casing is installed on the box and be located the outside of box, the casing passes through first import and export with the box intercommunication, be equipped with second import and export and second electronic sealing door on the casing, the casing passes through second import and export and external intercommunication, second electronic sealing door can be opened and sealed the second import and export, linear conveyor is located first import and export with between the second import and export, linear conveyor sets up into can follow sharp transport and freezes the case, just linear conveyor can wear out first import and export with transfer the manipulator dock and can wear out second import and export with external dock to receive and transfer and freeze the case.

In the preferred technical scheme of the single body workstation for storing biological samples, a liquid nitrogen dehumidification system is communicated in the shell through a pipeline so as to dehumidify the inner space of the shell.

In the preferred technical scheme of the single-body workstation for storing biological samples, the temperature in the box ranges from minus 100 ℃ to minus 70 ℃; the temperature in the shell is normal temperature.

In the above-mentioned preferred technical scheme for storing the monomer workstation of biological sample, the quantity of freezing the frame group is two and two freezing the relative setting of frame group, freezing the frame group and including a plurality of freezing the frame, freezing the frame and can storing and freeze the box, a plurality of freezing the frame and setting up side by side along the length direction of box, transfer the manipulator is located two freezing between the frame group.

In the above preferred technical solution of the single body workstation for storing biological samples, the linear conveying device includes a first connecting member, a first rail assembly, a second connecting member, a second rail assembly, a first driving mechanism and a box carrying member; the box carrying piece can carry a freezing box; the first connecting piece is connected with the shell, two ends of the first connecting piece extend towards the first inlet and the second outlet respectively, the second connecting piece is connected with the first connecting piece through the first guide rail component and can move along the length direction of the first connecting piece relative to the first connecting piece, two ends of the second connecting piece extend towards the first inlet and the second outlet respectively, the first guide rail component can guide the second connecting piece to enable the second connecting piece to move linearly when the second connecting piece moves relative to the first connecting piece, the carrier piece is connected with the second connecting piece through the second guide rail component and can move along the length direction of the second connecting piece relative to the second connecting piece, the second guide rail component can guide the carrier piece to enable the carrier piece to move linearly when the carrier piece moves relative to the second connecting piece, the first guide rail component can be installed on the first guide mechanism to enable the carrier piece to move linearly relative to the first connecting piece, the first guide rail component can move relative to the second connecting piece, the first guide mechanism can move relative to the second connecting piece can move relative to the first connecting piece, the first guide mechanism can move relative to the carrier piece, and the second guide the carrier piece can move in the same direction as the first driving piece.

In the preferred technical solution of the single body workstation for storing biological samples, the first rail assembly includes a first linear rail and a first rail slider, the first linear rail is mounted on the first connecting member and extends along the length direction of the first connecting member, the first rail slider is mounted on the second connecting member, and the first rail slider is slidably connected with the first linear rail and can slide along the length direction of the first linear rail.

In the preferred technical solution of the single body workstation for storing biological samples, the second rail assembly includes a second linear rail and a second rail slider, the second linear rail is mounted on the second connecting piece and extends along the length direction of the second connecting piece, the second rail slider is mounted on the box-carrying piece, and the second rail slider is slidably connected with the second linear rail and can slide along the length direction of the second linear rail.

In the preferred technical solution of the single-body workstation for storing biological samples, the first driving mechanism comprises a first driving piece, a first driving gear, a first linear rack and a transmission assembly, the first driving piece is mounted on the first connecting piece, the first linear rack is mounted on the second connecting piece and extends along the length direction of the second connecting piece, the first driving piece is connected with the first driving gear, the first driving gear is meshed with the first linear rack, and the first driving piece can drive the first driving gear to rotate so as to drive the first linear rack and the second connecting piece to move relative to the first connecting piece; the transmission assembly is arranged on the second connecting piece and connected with the box carrying piece, and when the second connecting piece moves relative to the first connecting piece, the transmission assembly drives the box carrying piece to move relative to the second connecting piece.

In the preferred technical scheme of the single body workstation for storing biological samples, the transmission assembly comprises a first belt wheel, a second belt wheel and a transmission belt, the first belt wheel and the second belt wheel are rotatably installed on the second connecting piece and are distributed at intervals along the length direction of the second connecting piece, the first belt wheel and the second belt wheel are connected through the transmission belt, the box carrying piece is connected with one side transmission surface of the transmission belt, the first connecting piece is connected with the other side transmission surface of the transmission belt, and the junction of the box carrying piece and the transmission belt and the junction of the first connecting piece and the transmission belt divide the transmission belt into two equal-length parts.

In the above preferred technical solution of the single-body workstation for storing biological samples, the first connecting member, the second connecting member and the box-carrying member are all horizontally arranged, the second connecting member is located above the first connecting member, and the box-carrying member is located above the second connecting member; or, the first connecting piece and the second connecting piece are all vertically arranged, the box carrying piece is horizontally arranged, and the side wall of the box carrying piece is connected with the second connecting piece through the second guide rail component.

In the above preferred technical solution of the monomer workstation for storing biological samples, the monomer workstation further includes a first code scanning camera, the first code scanning camera is installed in the housing, and the first code scanning camera can scan barcode information of the freezing box conveyed by the linear conveying device.

In the above preferred technical scheme of the monomer workstation for storing biological samples, the monomer workstation further comprises a second code scanning camera, the second code scanning camera is installed in the shell, and the second code scanning camera can scan bar code information of a freezing tube in the freezing box conveyed by the linear conveying device.

In the preferred technical scheme of the single workstation for storing biological samples, a mounting frame is arranged in the shell, the mounting frame is connected with the box body and the shell, the second electric sealing door comprises a first door frame, a second door frame, a sealing door plate and a second driving mechanism, the first door frame is arranged on the shell and surrounds the second inlet and outlet, the second door frame is arranged on the mounting frame and surrounds the second inlet and outlet, a sealing gap is reserved between the first door frame and the second door frame, the sealing door plate is positioned in the sealing gap, the second driving mechanism is arranged on the mounting frame, and the second driving mechanism is connected with the sealing door plate and can drive the sealing door plate to move up and down so as to open and seal the second inlet and outlet.

In the preferred technical scheme of the monomer workstation for storing biological samples, the second electric sealing door further comprises two groups of limiting guide assemblies, wherein the limiting guide assemblies are located between the mounting frame and the sealing door plate and are distributed at intervals, and the limiting guide assemblies can guide and limit the sealing door plate when the sealing door plate moves relative to the first door frame and the second door frame, so that the sealing door plate moves linearly.

In the preferred technical scheme of the single workstation for storing biological samples, the limit guide assembly comprises a limit guide rail and a limit slider, the limit guide rail is mounted on the mounting frame and two ends of the limit guide rail extend up and down, the limit slider is mounted on the seal door plate, the limit slider is in sliding connection with the limit guide rail and can slide along the length direction of the limit guide rail, a limit groove is formed in the side wall of the limit guide rail and extends along the length direction of the limit guide rail, a limit protrusion is arranged on the limit slider, the limit protrusion is clamped in the limit groove, and the limit groove and the limit protrusion are matched to limit the limit slider to move relative to the limit guide rail in the thickness direction of the limit guide rail so as to prevent the seal door plate from inclining outwards.

In the above preferred technical solution of the single body workstation for storing biological samples, the width of the sealing gap is gradually increased along a first direction, and the thickness of the sealing door plate is gradually increased along the first direction, wherein the first direction is a moving direction of the sealing door plate when the second access opening is opened.

Under the condition of adopting the technical scheme, the single body workstation is provided with the shell outside the box body, and the linear conveying device is arranged in the shell, so that the shell is arranged outside the box body, the box body can be prevented from being directly communicated with the external environment, and the box body is prevented from being directly circulated with the external environment, so that the stable storage environment is maintained in the box body; secondly, the shell is arranged on the outer side of the box body, and the linear conveying device is arranged in the shell, so that the space in the box body can be used for arranging the freezing storage rack, the storage capacity is improved, and the utilization rate of the storage space in the box body is improved; and thirdly, the linear conveying device is arranged in the shell, so that the maintenance is convenient, and meanwhile, the assembly and the use are also convenient.

Further, make in the casing through pipeline intercommunication liquid nitrogen dehumidification system, can let in liquid nitrogen in to the casing to dehumidify the inner space of casing, so that keep dry environment in the casing, can avoid bringing into the box with external moisture when transferring the cryopreservation box, thereby avoid frosting in the box, make the storage environment in the box more stable.

Still further, the temperature in the casing is normal atmospheric temperature, does not need to cool down in the casing, can guarantee straight line conveyor normal operating, need not to set up low temperature resistant actuating mechanism to reduce cost.

Still further, the number of the freezing and storing frame groups is two, the freezing and storing frame groups comprise a plurality of freezing and storing frames which are arranged side by side, and the transferring manipulator is arranged between the two freezing and storing frame groups, so that the two freezing and storing frame groups are arranged in the arrangement mode, the internal storage units are reduced, the volume is reduced, the volume of the single workstation is small, the application is convenient, and the cost is low; in addition, the storage capacity of the storage device is small compared with that of a large-capacity storage device, and the risk of bearing samples is low.

Still further, linear conveyor includes first connecting piece, first guide rail subassembly, second connecting piece, second guide rail subassembly, first actuating mechanism and carries the box spare, and such setting mode, first guide rail subassembly and second guide rail subassembly cooperate and make first connecting piece and second connecting piece form two-layer superimposed conveying structure, can shorten linear conveyor's length on guaranteeing linear conveying distance's basis to reduce the volume of monomer workstation, more facilitate the application.

Still further, set up first guide rail subassembly into first straight line guide rail and first guide rail slider, its simple structure, convenient equipment is used, and the volume after the equipment is little.

Still further, set up second guide rail subassembly into second linear guide and second guide rail slider, its simple structure, convenient equipment is used, and the volume after the equipment is little.

Still further, set up first actuating mechanism into first driving piece, first drive gear, first linear rack and drive assembly, its simple structure, convenient equipment is used, and the volume after the equipment is little.

Still further, with first connecting piece, second connecting piece and year box piece level setting to make the second connecting piece be located the top of first connecting piece, make year box piece be located the top of second connecting piece, this kind of setting mode is more stable when carrying the cryopreservation box, and the security is high.

Still further, with first connecting piece and the vertical setting of second connecting piece, carry the box piece level setting, and carry the lateral wall of box piece to be connected with the second connecting piece through second guide rail assembly, such setting mode is empty with the bottom space of carrying box piece travel route, other devices of easy to assemble.

Still further, set up first scanning sign indicating number camera in the casing for scan the bar code information of freezing the case, conveniently manage the freezing case of access, conveniently fix a position and calculate the stock.

Still further, set up the second in the casing and sweep the sign indicating number camera for scan the bar code information of the interior cryopreservation pipe of cryopreservation box, conveniently manage the cryopreservation pipe, in order to count stock quantity.

Still further, set up second electronic sealing door into first door frame, second door frame, sealed door plant and second actuating mechanism to make sealed door plant be located the sealed clearance between first door frame and the second door frame, so that can seal the second import and export, the second actuating mechanism can drive sealed door plant and remove, in order to open and seal the second import and export, such setting mode, simple structure, convenient equipment is used.

Still further, setting up spacing direction subassembly can make sealed door plant make the rectilinear movement, avoids sealed door plant slope in the removal in-process.

Still further, set up spacing direction subassembly into spacing guide rail and spacing slider, its simple structure, convenient equipment is used and spacing and direction are effectual.

Still further, make the width of sealing gap increase gradually along first direction to make the thickness of sealing door plant increase gradually along first direction, such setting method, sealing door plant resistance when removing is little, conveniently drives sealing door plant and removes, and can avoid sealing door plant upper seal strip to take place wearing and tearing, guarantee sealed effect, improvement life.

Drawings

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

FIG. 1 is a schematic perspective view of a monomer workstation of the present invention;

FIG. 2 is a schematic view of the construction of the single workstation of the present invention after concealing a portion of the housing;

FIG. 3 is a schematic perspective view of the case of the present invention;

FIG. 4 is a schematic view of the layout of the interior of the case of the present invention;

FIG. 5 is a schematic view of the transfer robot and the case of the present invention;

FIG. 6 is an enlarged schematic view of the structure at A in FIG. 5;

FIG. 7 is an enlarged schematic view of the structure at B in FIG. 5;

FIG. 8 is a front view of the transfer robot of the present invention;

FIG. 9 is an enlarged schematic view of the structure at C in FIG. 8;

FIG. 10 is a cross-sectional view taken along the direction A-A in FIG. 8;

FIG. 11 is an exploded view of the linear conveyor of the present invention;

fig. 12 is a front view of the linear conveyor of the present invention;

FIG. 13 is a structural view of the carrier of the present invention;

fig. 14 is a schematic structural view of embodiment 1 of the internal layout of the housing of the present invention;

fig. 15 is a schematic structural view of embodiment 2 of the internal layout of the housing of the present invention;

FIG. 16 is a schematic view showing the connection structure of the second electrically powered sealing door and the housing of the present invention;

FIG. 17 is a schematic view of the structure of a second electrically powered sealing door of the present invention;

fig. 18 is a schematic structural view of the positional relationship of the seal door panel of the present invention with the first door frame and the second door frame.

List of reference numerals：

1. A case; 11. a first access port; 101. a fixed frame; 102. a thermal insulation board;

2. a freezing storage rack group;

3. a transfer robot; 31. a horizontal movement mechanism; 311. a third driving member; 312. a third drive gear; 313. a third linear rack; 314. a first guide assembly; 3141. a third linear guide rail; 3142. a third rail slide; 32. a first mounting member; 33. a lifting mechanism; 331. a fourth mount; 332. a fourth driving member; 333. a fourth drive gear; 334. a fourth linear rack; 335. a second guide assembly; 3351. a fourth linear guide rail; 3352. the first guide wheel; 3353. the second guide wheel; 336. a fifth mount; 34. a shovel disk mechanism; 341. a second mounting member; 342. a rotation mechanism; 3421. a fifth driving member; 3422. a drive gear; 3423. a driven gear; 343. a third mount; 344. a telescoping mechanism; 3441. a sixth driving member; 3442. a second transmission assembly; 3443. a fifth linear guide rail; 3444. a fifth rail block; 345. a shovel disk member;

4. A housing; 41. a second inlet and outlet; 42. a mounting frame;

5. a linear conveying device; 51. a first connector; 52. a first rail assembly; 521. a first linear guide rail; 522. a first rail slider; 53. a second connector; 54. a second rail assembly; 541. a second linear guide rail; 542. a second rail block; 55. a first driving mechanism; 551. a first driving member; 552. a first drive gear; 553. a first linear rack; 554. a first transmission assembly; 5541. a first pulley; 5542. a second pulley; 5543. a transmission belt; 56. a box carrying member; 561. a bottom plate; 562. a support column; 563. a carrier strip; 564. a bearing surface; 565. a first limiting member; 566. a second limiting piece;

6. the first code scanning camera;

7. the second code scanning camera;

8. a first electrically powered seal door;

9. a second electrically powered seal door; 91. a first door frame; 92. a second door frame; 93. sealing the door plate; 94. a second driving mechanism; 941. a second driving member; 942. a second drive gear; 943. a second linear rack; 95. sealing the gap; 96. a limit guide assembly; 961. a spacing guide rail; 962. and a limit sliding block.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles 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, terms such as "upper," "lower," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements 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 explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through other members. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

Based on the problem that the prior biological sample storage device has low storage occupancy rate and the transfer device is inconvenient to maintain. The single body workstation is provided with the shell outside the box body, the linear conveying device is arranged in the shell to transport the freezing box, the shell is arranged outside the box body, and the space in the box body can be used for arranging the freezing frame, so that the storage proportion in the box body is improved, the utilization rate of the storage space in the box body is improved, the box body can be prevented from being directly communicated with the external environment, the stable storage environment in the box body can be kept, and in addition, the linear conveying device is arranged in the shell, and the freezing box is convenient to maintain and convenient to assemble and use.

Specifically, referring to fig. 1 to 4 together, the single body workstation for storing biological samples of the present invention includes a box body 1, a freezing storage rack set 2, a transfer robot 3, a housing 4, and a linear transport device 5.

The box body 1 is internally provided with a storage space, and the freezing storage rack group 2 and the transferring manipulator 3 are both positioned in the storage space. Specifically, in the present embodiment, as shown in fig. 2, the case 1 includes a fixed frame 101 and an insulation board 102, both the freezing frame group 2 and the transfer robot 3 are connected to the fixed frame 101, and the insulation board 102 is disposed around the fixed frame 101 and forms a closed storage space in the fixed frame 101.

The box 1 is provided with a first inlet and outlet 11 and a first electric sealing door 8, the first inlet and outlet 11 is formed in the heat insulation board 102, the first electric sealing door 8 can open and seal the first inlet and outlet 11, the freezing storage rack set 2 can store freezing storage boxes, and the transferring manipulator 3 is arranged to transfer the freezing storage boxes between the freezing storage rack set 2 and the first inlet and outlet 11. Only the freezing and storing frame group 2 and the transferring manipulator 3 are arranged in the box body 1, so that most of space is used for arranging freezing and storing frames, the space occupation ratio of a storage area is improved, and the utilization rate of the storage space is improved; the transferring manipulator 3 is used for transferring the freezing box between the freezing frame group 2 and the first inlet and outlet 11 so as to realize automatic storage and taking of the freezing box.

The inside of the shell 4 is provided with a transferring space, the linear conveying device 5 is positioned in the transferring space, the shell 4 is arranged on the box body 1 and positioned at the outer side of the box body 1, the shell 4 is communicated with the box body 1 through a first inlet and outlet 11, the first inlet and outlet 11 is arranged to transfer the freezing box between the box body 1 and the shell 4, the shell 4 is provided with a second inlet and outlet 41 and a second electric sealing door 9, the shell 4 is communicated with the outside through the second inlet and outlet 41, the second inlet and outlet 41 is arranged to transfer the freezing box between the shell 4 and the outside environment, and the second electric sealing door 9 can be opened and sealed to the second inlet and outlet 41. The shell 4 is arranged on the outer side of the box body 1, the shell 4 separates the box body 1 from the external environment, so that the stable storage environment can be kept in the box body 1, and the linear conveying device 5 is arranged in the shell 4, so that the box is convenient to assemble and use and convenient to maintain.

The linear conveying device 5 is located between the first inlet and outlet 11 and the second inlet and outlet 41, the linear conveying device 5 is arranged to be capable of conveying the freezing box along a straight line, and the linear conveying device 5 can penetrate out of the first inlet and outlet 11 to be in butt joint with the transferring manipulator 3 and can penetrate out of the second inlet and outlet 41 to be in butt joint with the outside to receive and transfer the freezing box. The linear conveying device 5 can transfer the frozen storage boxes so as to realize automatic storage and taking of the frozen storage boxes by matching with the transfer manipulator 3.

The operation of the single workstation in the storage freezing box is as follows:

first, the second electric sealing door 9 is opened, the linear conveyor 5 extends out of the housing 4 through the second inlet and outlet 41 to receive the external frozen box, the linear conveyor 5 returns to the housing 4 with the frozen box, and the second electric sealing door 9 is closed.

Then, the first electric sealing door 8 is opened, the linear conveying device 5 stretches into the box body 1 through the first inlet and outlet 11 and transfers the frozen storage box to the transfer manipulator 3, and after the transfer manipulator 3 receives the frozen storage box, the linear conveying device 5 returns into the shell 4, and the first electric sealing door 8 is closed;

finally, the transfer manipulator 3 stores the received freezing storage boxes on the freezing storage rack set 2, namely, the storage of the freezing storage boxes is completed.

The operation of the single workstation in taking out the freezing box is as follows:

firstly, the transferring manipulator 3 receives the freezing box on the freezing frame group 2 and moves the freezing box to the first inlet and outlet 11;

after that, the first electric sealing door 8 is opened, the linear conveying device 5 stretches into the box body 1 through the first inlet and outlet 11 and is in butt joint with the transferring manipulator 3, the transferring manipulator 3 places the frozen box on the linear conveying device 5, the linear conveying device 5 returns to the shell 4 with the frozen box, and the first electric sealing door 8 is closed.

Finally, the second electric sealing door 9 is opened, the linear conveying device 5 extends out of the shell 4 through the second inlet and outlet 41, the frozen box is transferred to the outer side of the shell 4 and is received by a worker or an AGV, the linear conveying device 5 returns to the inside of the shell 4, and the second electric sealing door 9 is closed, so that the frozen box is taken out.

Preferably, a liquid nitrogen dehumidification system is communicated with the inside of the shell 4 through a pipeline so as to be capable of dehumidifying the inner space of the shell 4.

The liquid nitrogen dehumidification system is used for introducing liquid nitrogen into the shell 4 through the pipeline, so that the interior space of the shell 4 can be dehumidified, and the interior of the shell 4 is kept dry, so that external moisture is prevented from entering the box 1 through the shell 4, and a stable storage environment is kept in the box 1, and frosting is avoided; in addition, the dehumidifying space is small, and the dehumidifying cost is reduced.

Preferably, the temperature in the case 1 ranges from-100 ℃ to-70 ℃ and the temperature in the housing 4 is normal temperature.

The temperature in the casing 4 is normal atmospheric temperature, does not need to cool down in the casing 4, reduces refrigeration cost, in addition, can guarantee that the straight line conveyor 5 normally operates, need not to set up low temperature resistant actuating mechanism to reduce cost.

In addition, in other embodiments, the temperature inside the cabinet 1 may be set to-50 ℃ or-160 ℃. In practical applications, the temperature in the tank 1 may be adjusted according to the storage needs of the biological sample. The adjustment and variation of the temperature inside the tank 1 do not deviate from the basic principle of the invention and should be limited within the scope of the invention.

Preferably, referring to fig. 4, the number of the freezing frame groups 2 is two, and the two freezing frame groups 2 are oppositely arranged, the freezing frame groups 2 comprise a plurality of freezing frames, the freezing frames can store freezing boxes, the plurality of freezing frames are arranged side by side along the length direction of the box body 1, and the transferring manipulator 3 is located between the two freezing frame groups 2.

Set up two relative freezes and deposit frame group 2 in the box 1 to make transfer manipulator 3 be located between two freezes and deposit frame group 2, only set up two freezes and deposit frame group 2, through the quantity that reduces freezes and deposit frame group 2, reduced the volume of monomer workstation, make the monomer workstation more facilitate the use. In addition, compared with the existing large-capacity storage equipment, the storage quantity is less, the sample risk is reduced, the cost is low, a plurality of single workstations can be conveniently combined for use, and the application scene is more.

Preferably, the freezing and storing rack set 2 comprises a plurality of freezing and storing racks, the freezing and storing racks are arranged side by side along the length direction of the box body 1, the freezing and storing racks comprise a rack body and a plurality of storing pieces arranged on the rack body, one side of the rack body is provided with an opening, the opening is used for storing and taking out freezing and storing boxes in the storing areas of the storing pieces, and the storing pieces are distributed at intervals along the height direction of the rack body and form a plurality of layers of storing areas for storing the freezing and storing boxes.

Preferably, referring to fig. 11 and 12, the linear conveyor 5 includes a first connecting member 51, a first rail assembly 52, a second connecting member 53, a second rail assembly 54, a first driving mechanism 55, and a carriage 56; the box carrier 56 is capable of carrying a cryopreservation box.

The first connecting member 51 is connected to the housing 4, and both ends of the first connecting member 51 extend toward the first inlet and outlet 11 and the second inlet and outlet 41, respectively, the second connecting member 53 is connected to the first connecting member 51 by the first rail assembly 52 and is movable in the longitudinal direction of the first connecting member 51 with respect to the first connecting member 51, both ends of the second connecting member 53 extend toward the first inlet and outlet 11 and the second inlet and outlet 41, respectively, the first rail assembly 52 is capable of guiding the second connecting member 53 when the second connecting member 53 moves with respect to the first connecting member 51 to move the second connecting member 53 in a straight line, the carrier member 56 is connected to the second connecting member 53 by the second rail assembly 54 and is capable of moving in the longitudinal direction of the second connecting member 53 with respect to the second connecting member 53, the second rail assembly 54 is capable of guiding the carrier member 56 when the carrier member 56 moves with respect to the second connecting member 53 to move the first connecting member 56 in a straight line, the first driving mechanism 55 is mounted on the first connecting member 51, and the first driving mechanism 55 is capable of moving in the same direction as the second connecting member 53 with respect to the first connecting member 53, and is capable of moving with respect to the first connecting member 53.

The linear conveying device 5 comprises a first connecting piece 51, a first guide rail assembly 52, a second connecting piece 53, a second guide rail assembly 54, a first driving mechanism 55 and a box carrying piece 56, wherein the first driving mechanism 55 can drive the second connecting piece 53 to move relative to the first connecting piece 51 and simultaneously drive the box carrying piece 56 to move relative to the second connecting piece 53, and the moving direction of the second connecting piece 53 is the same as that of the box carrying piece 56, so that the first connecting piece 51 and the first guide rail assembly 52 form a first layer conveying structure, the second connecting piece 53 and the second guide rail assembly 54 form a second layer conveying structure, the two layers of overlapped conveying structures are matched for use, and the length of the linear conveying device 5 can be reduced under the condition of ensuring the linear conveying distance, thereby reducing the volume of a single workstation and being more convenient to apply.

Although the linear transport device 5 is provided in the double-layer transport structure in the above-described embodiment, this should not limit the scope of the present invention, and in practical applications, the linear transport device 5 may be provided in a single-layer transport structure. As long as the linear conveying device 5 can receive and convey the frozen storage boxes, the adjustment and the change of the specific structure of the linear conveying device 5 do not deviate from the basic principle of the present invention, and all the adjustments and the changes are limited in the protection scope of the present invention. Of course, the structure of the linear conveyor 5 described in the above embodiment is preferable, and the linear conveyor is small in size, short in length, and more convenient to use.

Preferably, referring to fig. 11, the first rail assembly 52 includes a first linear rail 521 and a first rail slider 522, the first linear rail 521 is mounted on the first link 51 and extends along the length direction of the first link 51, the first rail slider 522 is mounted on the second link 53, and the first rail slider 522 is slidably connected to the first linear rail 521 and is capable of sliding along the length direction of the first linear rail 521.

The first guide rail assembly 52 is provided with the first linear guide rail 521 and the first guide rail slide block 522, and has simple structure, convenient assembly and use and good guide effect.

Preferably, the first linear guide 521 is provided with a first limit structure (e.g., a limit bar), and the first guide slider 522 is provided with a second limit structure (e.g., a limit groove matched with the limit bar), and the first limit structure and the second limit structure cooperate to limit the movement of the first guide slider 522 relative to the first linear guide 521 along the thickness direction and the width direction of the first linear guide 521.

Although the first rail assembly 52 is provided as the first linear rail 521 and the first rail slider 522 in the above embodiment, this should not limit the scope of the present invention, and in practical applications, the first rail assembly 52 may be provided as a first guide rod and a first guide ring that can be sleeved on the first guide rod and can slide along the first guide rod. Such modifications and changes in the specific structure of first rail assembly 52 do not depart from the basic principles of the present invention and are intended to be within the scope of the present invention.

Preferably, referring to fig. 11, the second rail assembly 54 includes a second linear rail 541 and a second rail slider 542, the second linear rail 541 is mounted on the second link 53 and extends along a length direction of the second link 53, the second rail slider 542 is mounted on the carriage 56, and the second rail slider 542 is slidably coupled to the second linear rail 541 and is capable of sliding along the length direction of the second linear rail 541.

The second guide rail assembly 54 is provided as the second linear guide rail 541 and the second guide rail slider 542, and has a simple structure, convenient assembly and use, and good guiding effect.

Preferably, a third limit structure (for example, a limit bar) is disposed on the second linear guide 541, and a fourth limit structure (for example, a limit groove matched with the limit bar) is disposed on the second guide slider 542, where the third limit structure and the fourth limit structure cooperate to limit the movement of the second guide slider 542 relative to the second linear guide 541 along the thickness direction and the width direction of the second linear guide 541.

Although the second rail assembly 54 is provided as the second linear rail 541 and the second rail slider 542 in the above-described embodiment, this should not limit the scope of the present invention, and in practical applications, the second rail assembly 54 may be provided as a second guide rod and a second guide ring that can be sleeved on the second guide rod and can slide along the second guide rod. Such modifications and changes in the specific structure of the second rail assembly 54 do not depart from the basic principles of the present invention and are intended to be within the scope of the present invention.

Preferably, referring to FIG. 11, the first drive mechanism 55 includes a first drive 551 (e.g., a servo motor or a stepper motor), a first drive gear 552, a first linear rack 553, and a first transmission assembly 554.

Wherein, the first driving piece 551 is installed on the first connecting piece 51, the first linear rack 553 is installed on the second connecting piece 53, the first linear rack 553 extends along the length direction of the second connecting piece 53, the first driving piece 551 is connected with the first driving gear 552, the first driving gear 552 is in meshed connection with the first linear rack 553, the first driving piece 551 can drive the first driving gear 552 to rotate, so as to drive the first linear rack 553 and the second connecting piece 53 to move relative to the first connecting piece 51; the first transmission assembly 554 is mounted on the second link 53 and is connected to the carriage 56, and the first transmission assembly 554 simultaneously moves the carriage 56 relative to the second link 53 as the second link 53 moves relative to the first link 51.

The first driving mechanism 55 is arranged as the first driving piece 551, the first driving gear 552, the first linear rack 553 and the first transmission component 554, and has simple structure, convenient assembly and use and small volume after assembly.

Preferably, referring to fig. 11, the first transmission assembly 554 includes a first pulley 5541, a second pulley 5542 and a transmission belt 5543, the first pulley 5541 and the second pulley 5542 are rotatably mounted on the second connection member 53 and are spaced apart along the length direction of the second connection member 53, the first pulley 5541 and the second pulley 5542 are connected through the transmission belt 5543, the cassette member 56 is connected to one side transmission surface of the transmission belt 5543, the first connection member 51 is connected to the other side transmission surface of the transmission belt 5543, and the connection between the cassette member 56 and the transmission belt 5543 and the connection between the first connection member 51 and the transmission belt 5543 divide the transmission belt 5543 into two equal length portions.

The first transmission assembly 554 is arranged to be the first belt wheel 5541, the second belt wheel 5542 and the transmission belt 5543, the structure is simple, the assembly and the use are convenient, and the volume after the assembly is small.

It should be noted that the present invention does not limit the relative positions of the first connecting member 51, the second connecting member 53 and the carrier 56, and in practical applications, those skilled in the art may set the relative positions of the first connecting member 51, the second connecting member 53 and the carrier 56 according to actual needs. For example: the first link 51, the second link 53 and the box bearing 56 may be horizontally arranged, and the first link 51, the second link 53 and the box bearing 56 may be sequentially arranged from bottom to top; alternatively, the first connecting member 51, the second connecting member 53 and the box-carrying member 56 may be horizontally arranged, and the first connecting member 51, the second connecting member 53 and the box-carrying member 56 may be sequentially arranged from top to bottom; alternatively, the first and second connection members 51 and 53 may be disposed vertically, and the cassette 56 may be disposed horizontally; etc. Such adjustment and modification of the relative positions of the first link 51, the second link 53 and the carrier 56 are not departing from the basic principles of the present invention and should be limited within the scope of the present invention.

In a preferred embodiment, referring to fig. 14, the first connecting member 51, the second connecting member 53 and the carrying case 56 are all disposed horizontally, the second connecting member 53 is located above the first connecting member 51, and the carrying case 56 is located above the second connecting member 53.

The first connecting piece 51, the second connecting piece 53 and the box carrying piece 56 are all horizontally arranged, and the first connecting piece 51, the second connecting piece 53 and the box carrying piece 56 are sequentially arranged from bottom to top, so that the frozen box can be stably conveyed when being conveyed, and the safety is high.

In another preferred embodiment, referring to fig. 15, the first connecting member 51 and the second connecting member 53 are vertically disposed, the carrier 56 is horizontally disposed, and the side wall of the carrier 56 is connected to the second connecting member 53 through the second rail assembly 54.

The first connecting piece 51 and the second connecting piece 53 are vertically arranged, the box carrying piece 56 is horizontally arranged, the side wall of the box carrying piece 56 is connected with the second connecting piece 53 through the second guide rail assembly 54, and the bottom of the box carrying piece 56 is empty, so that other devices can be conveniently installed.

Preferably, referring to fig. 13, the carrier 56 includes a bottom plate 561, four support columns 562 and two carrying bars 563 mounted on the bottom plate 561, the four support columns 562 are respectively located at four corners of the bottom plate 561 and are rectangular, two ends of the carrying bars 563 are respectively connected with the two support columns 562 and located above the support columns 562, the two carrying bars 563 are distributed at intervals along a horizontal direction, and top surfaces of the two carrying bars 563 form a carrying surface 564 for storing the freezing box.

The box-carrying piece 56 comprises a bottom plate 561, a support column 562 and a bearing strip 563, wherein the bearing strip 563 forms a bearing surface 564 for bearing the freezing box, and in such a setting mode, a certain distance is reserved between the bearing surface 564 and the bottom plate 561, so that the freezing box can be taken and placed from two sides conveniently, and the application is more convenient.

Preferably, referring to fig. 13, both ends of the carrier bar 563 in the length direction are provided with first limiting members 565 (e.g., limiting protrusions or limiting ribs), and the first limiting members 565 are capable of limiting the movement of the freezing box along the length direction of the carrier bar 563 relative to the carrier bar 563.

The first stoppers 565 can restrict the movement of the freezing box in the longitudinal direction thereof, so that the freezing box is kept stable.

Preferably, referring to fig. 13, two carrying bars 563 are provided at one end in the width direction away from each other with a second stopper 566 (e.g., a stopper protrusion or a stopper rib), and the second stopper 566 is capable of restricting the movement of the freezing box along the width direction of the carrying bars 563 relative to the carrying bars 563.

The second stopper 566 can restrict the movement of the freezing box in the width direction thereof, so that the freezing box is kept stable.

Preferably, referring to fig. 14 and 15, the single workstation of the present invention further includes a first code scanning camera 6, the first code scanning camera 6 is installed in the housing 4, and the first code scanning camera 6 can scan barcode information of the freezing storage box conveyed by the linear conveying device 5.

The first code scanning camera 6 is arranged in the shell 4, bar code information of the freezing box can be scanned, the freezing box which is stored and taken out is convenient to manage, and the stock quantity is convenient to position and calculate.

Preferably, referring to fig. 15, the first code scanning camera 6 is located above the linear conveying device 5 and is inclined downward.

Although the first code scanning camera 6 is mounted above the linear conveyor 5 and is inclined downward in the above preferred embodiment, this should not limit the scope of the present invention, and in practical application, the first code scanning camera 6 may be mounted at other positions as long as the first code scanning camera 6 can smoothly scan the barcode information of the freezing box. For example, the first code scanning camera 6 may be disposed opposite the carriage 56. Such adjustment and change of the installation position of the first code scanning camera 6 do not deviate from the basic principle of the present invention, and should be limited in the protection scope of the present invention.

Preferably, referring to fig. 15, the single workstation of the present invention further includes a second code scanning camera 7, the second code scanning camera 7 is installed in the housing 4, and the second code scanning camera 7 can scan barcode information of a freezing tube in the freezing box conveyed by the linear conveying device 5.

The second code scanning camera 7 is arranged in the shell 4, so that bar code information of the freezing and storing tube in the freezing and storing box can be scanned, the freezing and storing tube can be managed conveniently, and stock quantity can be counted conveniently.

Preferably, referring to fig. 15, the second code scanning camera 7 is disposed vertically upwards, and the second code scanning camera 7 is located right below the moving route of the box-carrying member 56, the bottom of the box-carrying member 56 is provided with a code scanning hole, and the second code scanning camera 7 can scan bar code information of a freezing tube in the freezing box through the code scanning hole.

The code scanning hole is formed in the bottom of the box carrying piece 56, and the second code scanning camera 7 is arranged right below the moving route of the box carrying piece 56, so that code scanning can be performed more smoothly.

Although the second code scanning camera 7 is installed directly below the moving path of the carriage 56 in the above preferred embodiment, this should not limit the scope of the present invention, and in practical applications, those skilled in the art may install the second code scanning camera 7 at other positions. For example, the second code scanning camera 7 may be mounted on the bottom plate 561 of the box carrier 56, and the cryopreservation box is located above the bottom plate 561 after being placed on the box carrier 56, so that the second code scanning camera 7 can scan barcode information of the cryopreservation tube above. Such adjustment and change of the installation position of the second code scanning camera 7 do not deviate from the basic principle of the present invention, and should be limited in the scope of the present invention.

Preferably, referring to fig. 16 to 18, the housing 4 is provided with a mounting frame 42, the mounting frame 42 is connected to the case 1 and the housing 4, the second electric sealing door 9 includes a first door frame 91, a second door frame 92, a sealing door plate 93, and a second driving mechanism 94, the first door frame 91 is mounted on the housing 4 and is disposed around the second access 41, the second door frame 92 is mounted on the mounting frame 42 and is disposed around the second access 41, a sealing gap 95 is provided between the first door frame 91 and the second door frame 92, the sealing door plate 93 is located in the sealing gap 95, the second driving mechanism 94 is mounted on the mounting frame 42, the second driving mechanism 94 is connected to the sealing door plate 93 and is capable of driving the sealing door plate 93 to move up and down so as to open and seal the second access 41, and both side surfaces of the sealing door plate 93 are respectively in sealing contact with the first door frame 91 and the second door frame 92 when the second access 41 is sealed.

Through such setting mode, the structure of second electronic sealing door 9 is simple, and convenient equipment is used, and sealed effectual.

Preferably, referring to fig. 17, the second driving mechanism 94 includes a second driving member 941 (for example, a servo motor or a stepping motor), a second driving gear 942 and a second linear rack 943, the second driving member 941 is mounted on the mounting frame 42, the second linear rack 943 is mounted on the sealing door plate 93, two ends of the second linear rack 943 extend up and down, the second driving member 941 is connected to the second driving gear 942, the second driving gear 942 is meshed with the second linear rack 943, and the second driving member 941 can drive the second linear rack 943 and the sealing door plate 93 to move up and down relative to the first door frame 91 and the second door frame 92 when driving the second driving gear 942 to rotate.

The second driving mechanism 94 is provided as a second driving member 941, a second driving gear 942 and a second linear rack 943, and has a simple structure and is convenient to assemble and use.

Preferably, referring to fig. 17, the second electric sealing door 9 further includes two sets of limiting guide assemblies 96, the limiting guide assemblies 96 are located between the mounting frame 42 and the sealing door plate 93, and the two sets of limiting guide assemblies 96 are spaced apart, and the limiting guide assemblies 96 can guide and limit the sealing door plate 93 when the sealing door plate 93 moves relative to the first door frame 91 and the second door frame 92, so that the sealing door plate 93 moves linearly, and the limiting guide assemblies 96 can also limit the sealing door plate 93 to move relative to the first door frame 91 along the width direction of the sealing gap 95.

The limit guide assembly 96 can guide the sealing door plate 93 and can limit the sealing door plate 93 from moving in the width direction of the sealing gap 95 with respect to the first door frame 91 so that the sealing door plate 93 moves linearly.

Preferably, referring to fig. 17, the limit guide assembly 96 includes a limit rail 961 and a limit slider 962, the limit rail 961 is mounted on the mounting frame 42, and two ends of the limit rail 961 extend up and down, the limit slider 962 is mounted on the seal door plate 93, the limit slider 962 is slidably connected with the limit rail 961, and can slide along the length direction of the limit rail 961, a limit groove is formed in a side wall of the limit rail 961, and extends along the length direction of the limit rail 961, a limit protrusion is provided on the limit slider 962, the limit protrusion is blocked in the limit groove, and the limit groove and the limit protrusion cooperate to limit the limit slider 962 to move relative to the limit rail 961 in the thickness direction of the limit rail 961 so as to avoid the seal door plate 93 from tilting outwards.

The limit guide assembly 96 is arranged to be a limit guide rail 961 and a limit slider 962, and has a simple structure and is convenient to assemble and use.

Preferably, referring to fig. 18, the width of the sealing gap 95 is gradually increased in a first direction, in which the thickness of the sealing door panel 93 is gradually increased, and the first direction is a moving direction of the sealing door panel 93 when the second port 41 is opened.

The width of the sealing gap 95 is gradually increased along the first direction, and the thickness of the sealing door plate 93 is gradually increased along the first direction, so that the sealing door plate 93 can be conveniently moved, the sealing strip on the sealing door plate 93 can be prevented from being damaged, and the sealing effect is ensured.

Preferably, referring to fig. 5 to 8, the transfer robot 3 includes a horizontal movement mechanism 31, a first mount 32, a lifting mechanism 33, and a shovel disk mechanism 34.

Wherein the horizontal moving mechanism 31 is mounted on the case 1, the first mounting member 32 is mounted on the horizontal moving mechanism 31, the lifting mechanism 33 is mounted on the first mounting member 32, and the shovel disk mechanism 34 is mounted on the lifting mechanism 33; the horizontal moving mechanism 31 is arranged to drive the first mounting piece 32, the lifting mechanism 33 and the shovel disk mechanism 34 to move along the length direction of the box body 1; the lifting mechanism 33 is arranged to drive the shovel disk mechanism 34 to move in the vertical direction; the shovel disk mechanism 34 is configured to be capable of rotating circumferentially and telescoping along its length to receive and transfer the cryopreservation cassette.

When the transfer manipulator 3 is used, the horizontal moving mechanism 31 can drive the lifting mechanism 33 and the shovel disk mechanism 34 to move along the length direction of the box body 1, so that the shovel disk mechanism 34 can be abutted with storage areas of different positions of the freezing storage rack set 2 at the same level, the lifting mechanism 33 can drive the shovel disk mechanism 34 to move along the vertical direction, so that the shovel disk mechanism 34 can be abutted with the storage areas of different heights of the freezing storage rack set 2, so that the freezing storage boxes can be stored in different storage positions, and the freezing storage boxes in different storage positions can be received, so that the freezing storage boxes are transferred.

Preferably, referring to fig. 6, the horizontal moving mechanism 31 includes a third driving member 311 (e.g., a servo motor or a stepping motor), a third driving gear 312, a third linear rack 313 and a first guide assembly 314, wherein the third linear rack 313 is mounted on the case 1 and extends along the length direction of the case 1, the third driving member 311 is mounted on the first mounting member 32, the third driving member 311 is connected with the third driving gear 312, the third driving gear 312 is engaged with the third linear rack 313, the third driving member 311 can drive the third driving gear 312 to rotate, thereby driving the first mounting member 32, the third driving member 311 and the third driving gear 312 to move along the length direction of the third linear rack 313, the first guide assembly 314 is located between the first mounting member 32 and the case 1, and the first guide assembly 314 can guide the first mounting member 32 during the movement of the first mounting member 32, so as to make the first mounting member 32 move linearly.

Although the horizontal moving mechanism 31 is provided in the above preferred embodiment in such a way that the third driving member 311 moves the first mounting member 32 by the cooperation of the third driving gear 312 and the third linear rack 313, this should not limit the scope of the present invention. In practical application, the horizontal moving mechanism 31 may be configured in a structure that a motor drives a screw rod to drive a slide block to move and cooperate with a guiding assembly to guide. Such adjustments and changes concerning the specific structure of the horizontal movement mechanism 31 do not deviate from the basic principle of the present invention, and should be limited within the scope of the present invention.

Preferably, referring to fig. 6, the first guide assembly 314 includes a third linear guide 3141 and a third guide slider 3142, the third linear guide 3141 is mounted on the case 1 and extends along the length direction of the case 1, the third guide slider 3142 is connected to the first mounting member 32, and the third guide slider 3142 is slidably connected to the third linear guide 3141 and is capable of sliding along the third linear guide 3141.

Although the first guide assembly 314 is configured in a manner that the third linear guide 3141 is matched with the third guide block 3142 in the above embodiment, this should not limit the scope of the present invention, and in practical application, the first guide assembly 314 may be configured in a manner that a guide rod and a guide ring sleeved on the guide rod are also configured. Such modifications and changes in the specific structure of the first guide assembly 314 do not depart from the basic principles of the present invention and are intended to be within the scope of the present invention.

Preferably, the number of the first guide assemblies 314 is two, and the two first guide assemblies 314 are spaced apart in the width direction of the case 1 and are located at both sides of the first mounting member 32, respectively.

The first guide assemblies 314 are arranged in two, the first installation pieces 32 are clamped by the two first guide assemblies 314, so that the two ends of the first installation pieces 32 are limited, the stability of the first installation pieces 32 can be improved when the first installation pieces 32 move, and therefore shaking of the first installation pieces 32, the lifting mechanism 33 and the shovel disk mechanism 34 in the moving process is avoided.

Preferably, referring to FIGS. 7 and 10, the lifting mechanism 33 includes a fourth mounting member 331 and a fourth driving member 332 (e.g., a servo motor or a stepping motor) mounted on the fourth mounting member 331, a fourth driving gear 333, a fourth linear rack 334, a second guide assembly 335 and a fifth mounting member 336, wherein the fourth mounting member 331 is connected to the first mounting member 32 and extends in a vertical direction, the fourth linear rack 334 is mounted on the fourth mounting member 331 and extends in a vertical direction, the fourth driving member 332 is mounted on the fifth mounting member 336, the fourth driving member 332 is connected to the fourth driving gear 333, the fourth driving gear 333 is engaged with the fourth linear rack 334, the fourth driving member 332 is capable of driving the fourth driving gear 333 to rotate, thereby driving the fifth mounting member 336, the fourth driving member 332 and the fourth driving gear 333 to move along a length direction of the fourth linear rack 334, the shovel mechanism 34 is connected to the fifth mounting member 336, the second guide assembly is located between the fourth mounting member 331 and the fifth mounting member 336, and the fifth guide assembly 336 is capable of moving the fifth mounting member 335 when the fifth driving member 335 is capable of moving the fifth mounting member 336.

Preferably, referring to fig. 7 and 10, the second guide assembly 335 includes a fourth linear guide 3351, a first guide 3352 and a second guide 3353, the number of the fourth linear guide 3351 is two, the two fourth linear guides 3351 are mounted on the fourth mounting member 331 at intervals and extend along the vertical direction, the first guide 3352 and the second guide 3353 are rotatably mounted on the fifth mounting member 336, the first guide 3352 and the second guide 3353 are disposed at intervals, the two fourth linear guides 3351 are located between the first guide 3352 and the second guide 3353, and the first guide 3352 and the second guide 3353 are respectively abutted with one fourth linear guide 3351 and can slide along the length direction of the fourth linear guide 3351.

The side wall of the fourth linear guide 3351 is provided with a limiting raised line, the limiting raised line extends along the length direction of the fourth linear guide 3351, the first guide pulley 3352 and the second guide pulley 3353 are provided with limiting grooves, the limiting raised line is located in the limiting grooves, and the limiting raised line and the limiting grooves cooperate to limit the fifth mounting piece 336 to move in the thickness direction of the fourth linear guide 3351, so that the fifth mounting piece 336 and the shovel disc mechanism 34 are kept stable.

Although the second guide assembly 335 is configured in the manner that the fourth linear guide 3351 is matched with the first guide 3352 and the second guide 3353 in the above embodiment, this should not limit the scope of the present invention, and in practical application, the specific structure of the second guide assembly 335 may be configured in the manner that the guide rod and the guide ring sleeved on the guide rod are configured. Such modifications and changes in the specific structure of the second guide assembly 335 do not depart from the basic principles of the present invention and are intended to be within the scope of the present invention.

Preferably, referring to fig. 9, the shovel disk mechanism 34 includes a second mount 341, a rotation mechanism 342, a third mount 343, a telescoping mechanism 344, and a shovel disk 345; wherein the second mounting member 341 is connected with the lifting mechanism 33, the third mounting member 343 is connected with the second mounting member 341 through the rotating mechanism 342, and the telescopic mechanism 344 and the shovel disk member 345 are mounted on the third mounting member 343; the rotating mechanism 342 is configured to drive the third mounting member 343, the telescopic mechanism 344 and the shovel member 345 to rotate about a vertical axis; the telescopic mechanism 344 is connected to the tray 345, and the telescopic mechanism 344 is configured to drive the tray 345 to telescope relative to the third mounting 343 along the length direction of the third mounting 343, so that the tray 345 can receive and transfer the freezing box.

Through such setting mode, when shovel disk mechanism 34 is in use, rotary mechanism 342 can drive third installed part 343, telescopic machanism 344 and shovel disk spare 345 and rotate to change the butt joint direction of shovel disk spare 345, in order to change the direction that shovel disk spare 345 received and shifted the cryopreservation box, more convenient application, telescopic machanism 344 can drive shovel disk spare 345 and stretch into the bottom of cryopreservation box or be the bottom of storage position, thereby cooperate elevating system 33 to rise or descend and can hold up the cryopreservation box or place the cryopreservation box on the storage position, so as to receive the cryopreservation box and deposit the cryopreservation box.

Preferably, referring to FIG. 9, the rotation mechanism 342 includes a fifth driving member 3421 (e.g., a servo motor or a stepper motor), a driving gear 3422, a driven gear 3423, a vertical rotation shaft (not shown), and bearings (not shown).

The fifth driving member 3421 is mounted on the second mounting member 341, the driven gear 3423 is fixedly connected with the third mounting member 343, the fifth driving member 3421 is connected with the driven gear 3423 through the driving gear 3422, a vertical rotating shaft is fixedly arranged on the driven gear 3423, the vertical rotating shaft is connected with the second mounting member 341 through a bearing and can rotate relative to the second mounting member 341, and the driven gear 3423 and the third mounting member 343 can be driven to rotate when the fifth driving member 3421 drives the driving gear 3422 to rotate. The rotating mechanism 342 is provided with a fifth driving member 3421, a driving gear 3422, a driven gear 3423, a vertical rotating shaft and a bearing, and has a simple structure and is convenient to assemble and use.

Preferably, referring to FIG. 9, the telescopic mechanism 344 includes a sixth driving member 3441 (e.g., a servo motor or a stepper motor), a second transmission assembly 3442 (e.g., a rack and pinion second transmission assembly 3442 or a rack and pinion second transmission assembly 3442), a fifth linear guide 3443 and a fifth guide slider 3444.

The sixth driving member 3441 is mounted on the third mounting member 343, the sixth driving member 3441 is connected to the fifth rail slider 3444 through the second transmission assembly 3442, the fifth linear rail 3443 is mounted on the third mounting member 343 and extends along the length direction of the third mounting member 343, the fifth rail slider 3444 is slidably connected to the fifth linear rail 3443 and is capable of sliding along the length direction of the fifth linear rail 3443, the shovel tray 345 is connected to the fifth rail slider 3444, the sixth driving member 3441 is connected to the second transmission assembly 3442 and is capable of driving the fifth rail slider 3444 and the shovel tray 345 to slide along the length direction of the fifth linear rail 3443 through the second transmission assembly 3442, so that the shovel tray 345 stretches.

The sixth driving member 3441 drives the second transmission assembly 3442 to operate, so as to drive the shovel disc member 345 to move relative to the third mounting member 343, and make the shovel disc member 345 move linearly under the guiding action of the fifth linear guide 3443 and the fifth guide slider 3444, thereby realizing extension and retraction.

Besides the structure, the invention also comprises a refrigerating system mechanism which is used for refrigerating the storage space in the box body 1 so as to keep a stable low-temperature environment in the box body 1; the refrigeration mechanism can be a liquid nitrogen refrigeration mechanism, an air cooling refrigeration mechanism or other refrigeration mechanisms.

Finally, it should be further noted that the structure of the first electrically-operated sealing door 8 is not limited in the present invention, and the first electrically-operated sealing door 8 may be a conventional self-sealing door in the art, and the specific structure thereof will not be described herein.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims

1. The single body workstation for storing biological samples is characterized by comprising a box body, a freezing storage frame group and a transferring manipulator, wherein the freezing storage frame group and the transferring manipulator are arranged in the box body, a first inlet and a first outlet and a first electric sealing door are arranged on the box body, the first electric sealing door can open and seal the first inlet and outlet, the freezing storage frame group can store freezing storage boxes, and the transferring manipulator is arranged to transfer the freezing storage boxes between the freezing storage frame group and the first inlet and outlet;

The single body workstation further comprises a shell and a linear conveying device arranged in the shell, the shell is arranged on the box body and positioned at the outer side of the box body, the shell is communicated with the box body through the first inlet and outlet, a second inlet and outlet and a second electric sealing door are arranged on the shell, the shell is communicated with the outside through the second inlet and outlet, the second electric sealing door can open and seal the second inlet and outlet,

the linear conveying device is positioned between the first inlet and the second outlet, the linear conveying device is arranged to be capable of conveying the freezing box along a straight line, and the linear conveying device can penetrate out of the first inlet and the second outlet to be in butt joint with the transfer manipulator and can penetrate out of the second inlet and the second outlet to be in butt joint with the outside so as to receive and transfer the freezing box.

2. The single body workstation for storing biological samples of claim 1 wherein a liquid nitrogen dehumidification system is in communication with the housing through a conduit to enable dehumidification of the interior space of the housing.

3. The monomer workstation for storing biological samples of claim 1, wherein the temperature within the enclosure ranges from-100 ℃ to-70 ℃, and the temperature within the enclosure is ambient.

4. The single workstation for storing biological samples according to claim 1, wherein the number of the freezing frame groups is two and two the freezing frame groups are arranged oppositely, the freezing frame groups comprise a plurality of freezing frames, the freezing frames can store freezing boxes, the freezing frames are arranged side by side along the length direction of the box body, and the transferring manipulator is positioned between the two freezing frame groups.

5. The single body workstation for storing biological samples of claim 1 wherein the linear transport device comprises a first connector, a first rail assembly, a second connector, a second rail assembly, a first drive mechanism, and a cassette; the box carrying piece can carry a freezing box;

the first connecting piece is connected with the shell, two ends of the first connecting piece extend towards the first inlet and the second outlet respectively,

the second connecting piece is connected with the first connecting piece through the first guide rail component and can move along the length direction of the first connecting piece relative to the first connecting piece, two ends of the second connecting piece extend towards the first inlet and the second outlet respectively, the first guide rail component can guide the second connecting piece to enable the second connecting piece to move linearly when the second connecting piece moves relative to the first connecting piece,

The box carrying piece is connected with the second connecting piece through the second guide rail component and can move along the length direction of the second connecting piece relative to the second connecting piece, the second guide rail component can guide the box carrying piece to make the box carrying piece move linearly when the box carrying piece moves relative to the second connecting piece,

the first driving mechanism is installed on the first connecting piece, the first driving mechanism is connected with the second connecting piece and the box carrying piece, the first driving mechanism can drive the second connecting piece to move relative to the first connecting piece and can drive the box carrying piece to move relative to the second connecting piece at the same time, and the moving direction of the second connecting piece is the same as the moving direction of the box carrying piece.

6. The single body workstation of claim 5 wherein said first connector, said second connector and said cassette are all disposed horizontally, said second connector being positioned above said first connector and said cassette being positioned above said second connector; or the water-soluble polymer can be used for the water-soluble polymer,

the first connecting piece with the second connecting piece is all vertical to be set up, carry the box piece level to set up just carry the lateral wall of box piece through the second guide rail subassembly with the second connecting piece is connected.

7. The single body workstation for storing biological samples of any one of claims 1 to 6, further comprising a first code scanning camera mounted within the housing, the first code scanning camera being capable of scanning barcode information of the cryopreserved cassettes transported by the linear transport device.

8. The single body workstation for storing biological samples of any one of claims 1 to 6, further comprising a second code scanning camera mounted within the housing, the second code scanning camera being capable of scanning barcode information of a cryopreservation tube within a cryopreservation cassette transported by the linear transport apparatus.

9. The single body workstation for storing biological samples of claim 1 wherein a mounting frame is disposed within the housing, the mounting frame being coupled to the housing and the housing, the second electrically powered sealing door comprising a first door frame, a second door frame, a sealing door panel, and a second drive mechanism,

the first door frame is arranged on the shell and surrounds the second inlet and outlet, the second door frame is arranged on the mounting frame and surrounds the second inlet and outlet, a sealing gap is arranged between the first door frame and the second door frame,

The sealing door plate is positioned in the sealing gap, the second driving mechanism is installed on the installation frame, the second driving mechanism is connected with the sealing door plate and can drive the sealing door plate to move up and down so as to open and seal the second inlet and outlet, and when the sealing door plate seals the second inlet and outlet, two side surfaces of the sealing door plate are respectively in sealing butt with the first door frame and the second door frame.

10. The single body workstation for storing biological samples of claim 9, wherein the width of the sealing gap increases gradually in a first direction, the thickness of the sealing door panel increasing gradually in the first direction, the first direction being a direction of movement of the sealing door panel when the second access opening is opened.