Blood sample storage cabinet

Abstract

The invention relates to a blood sample storage cabinet which comprises a cabinet body, chain type frames, a moving guide mechanism, a chain type frame driving part, a transfer mechanism and a PLC (programmable logic controller), a sample conveying port and a storage table are arranged at the front end of the cabinet body, a plurality of chain type frames are arranged in the cabinet body side by side to form a frame group, the chain type frames are arranged in a multi-layer and multi-section manner, and the moving guide mechanism is arranged at the front end of the cabinet body. The top end of the chain type frame is slidably connected with a first guide rail arranged at the top end of the cabinet body, the moving guide mechanism comprises a moving linear guide part and a first arc transition part, and the first arc transition part is connected with the first guide rail and the linear guide part. The chain type frame driving part drives the chain type frame to slide to the linear guiding part through the first arc transition part so that the storage position of the chain type frame can be completely exposed out of the frame set, the transfer mechanism transfers the blood sample storage box located on the storage table to the chain type frame, and the PLC is used for control. The technical problem that a traditional blood sample storage cabinet is low in storage density is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of blood sample storage, and more particularly to a blood sample storage cabinet. Background Art

[0002] In the prior art, a blood sample storage cabinet is a device used to store blood samples to be tested;

[0003] Traditional blood sample storage cabinets have doors that open outwards and are manually accessed. During use, the opening and closing of the cabinet door will cause a large amount of temperature loss in the cabinet, and it takes a lot of time to search and confirm a large number of blood samples.

[0004] Traditional multi-shelf storage cabinets are arranged in parallel. To facilitate storage and retrieval, first, the shelves are arranged in a fixed manner, and storage and retrieval space is reserved between the shelves. Second, when storing and retrieval, the shelf is completely moved out of the shelf group or the shelf on one side of the shelf to be stored and retrieved is moved as a whole to provide storage and retrieval space. However, during use, the above arrangement methods or storage and retrieval methods waste a lot of space, or in order to save space, when storing on one shelf, other shelves need to be moved, causing unnecessary disturbance to the blood samples on other shelves.

[0005] Therefore, how to provide a new blood sample storage cabinet that has high storage density and independent access between shelves is a problem that technicians in this field urgently need to solve. Summary of the invention

[0006] In view of this, the present invention provides a blood sample storage cabinet, which aims to solve the technical problems of low storage density and unnecessary disturbance to blood samples on other shelves caused by the above-mentioned traditional blood sample storage cabinets during storage;

[0007] A blood sample storage cabinet, comprising:

[0008] A cabinet, wherein the front end of the cabinet is provided with a sample delivery port, and an outer wall of the cabinet is fixed with a storage table corresponding to the position of the sample delivery port;

[0009] A chain rack, wherein the chain rack is arranged as a multi-layer structure along the height direction of the cabinet and there are gaps between the layers for placing blood sample storage boxes, the chain rack is arranged as a multi-section structure along the two sides of the cabinet and two adjacent sections are rotatably connected to form a chain structure, a plurality of the chain racks are located in the cabinet and arranged along the front-back direction of the cabinet, a plurality of guide rails are arranged along the two sides of the cabinet and corresponding to the plurality of chain racks at the top end of the cabinet, and the top end of the chain rack is slidably connected to the corresponding guide rail;

[0010] A mobile guide mechanism, the mobile guide mechanism comprises a linear guide portion and a first arc transition portion, a transmission portion and a guide drive portion, the linear guide portion is arranged vertically corresponding to one end of the guide rail and is slidably connected to the top of the cabinet, the first arc transition portion connects the linear guide portion and the guide rail, the drive portion drives the linear guide portion and the first arc transition portion to move through the transmission portion and can be connected to a plurality of guide rails respectively;

[0011] A chain frame driving part, wherein the chain frame driving part is mounted on the chain frame, and a driving end of the chain frame drives the chain frame to move on the guide rail 1, the first arc transition part and the linear guide part;

[0012] A transfer mechanism, the transfer mechanism is installed inside the cabinet, moves along the front-back and height directions of the cabinet, and a manipulator is arranged at the transfer end thereof to transfer the blood sample storage box located on the storage table to the chain rack located on the linear guide portion;

[0013] A PLC logic program controller is installed inside the cabinet, and the docking ends of the guide rail 1, the first arc transition part and the straight guide part are all embedded with positioning sensors, and are electrically connected to the PLC logic program controller by signals to sense whether the docking is in place, and the PLC logic program controller is electrically connected to the control module of the chain frame drive part, the guide drive part and the transfer mechanism.

[0014] Through the above technical scheme, the present invention forms a rack group by arranging multiple chain racks in parallel in the cabinet. The multi-section chain rack can slide to the linear guide part through the first arc transition part so that its access position is completely exposed outside the rack group. At this time, the length direction of the chain rack corresponds to the front and back direction of the cabinet, which improves the space utilization inside the cabinet and thus improves the storage density. The chain rack moves independently during the access process, avoiding unnecessary disturbance to the blood samples of other chain racks, and has the characteristics of high storage density and independent access between chain racks.

[0015] Preferably, it also includes a pre-cooling transport channel, which is arranged inside the cabinet along both sides of the cabinet, the inlet end of the pre-cooling transport channel is connected to the sample transport port, and a transfer platform is arranged corresponding to the outlet end thereof, and the transfer platform is arranged horizontally and tightly connected to the inner wall surface of the cabinet, the blood sample storage box is transported to the transfer platform through the pre-cooling transport channel, and the pre-cooling transport channel has a plurality of cold air release ports to preliminarily cool the blood sample storage box, and the manipulator at the transfer end of the transfer mechanism grabs the blood sample storage box located on the transfer platform and places it on the chain rack located on the linear guide part.

[0016] Preferably, the cabinet includes an electrical room and a cold storage room, which are separated by a partition, and the pre-cooling conveying channel is arranged inside the electrical room, the electrical room corresponds to the rear end side of the cabinet and a cold storage room entrance and exit is arranged corresponding to the exit end, and passes through the partition, the transfer platform is fixed on the partition and is located on a wall of the cold storage room, and is arranged corresponding to the cold storage room entrance and exit, the guide mechanism and the transfer mechanism are installed inside the cold storage room, and the guide rail is arranged at the inner top of the cold storage room along both sides of the cabinet.

[0017] Preferably, it also includes a mounting plate 1, which is horizontally arranged and fastened to the inner wall of the refrigerating chamber, the guide rail 1 is fastened to the lower plate surface of the mounting plate 1, and the straight guide part, the first arc transition part, the transmission part and the guide drive part are mounted on the mounting plate 1.

[0018] Preferably, the transmission part includes a linear guide transmission part and a first circular arc transition transmission part, and the guide drive part includes a linear guide drive part and a first circular arc transition drive part;

[0019] The linear guide transmission part is installed on the mounting plate 1, the linear guide part is a linear guide rail, the linear guide rail is arranged along the front-to-back direction of the cabinet, and the cross sections of its guide surface and the guide surface of the guide rail 1 are arranged correspondingly in the height direction and have the same size, the docking port of the guide rail 1 is embedded with a positioning sensor 1, the two ends of the linear guide rail along the front-to-back direction of the cabinet are respectively the first end and the second end and are respectively embedded with a positioning sensor 2 and a positioning sensor 3, the linear guide driving part is installed on the partition, and the driving end of the linear guide driving part is connected to the linear guide rail through the linear guide transmission part to drive it to move along the front-to-back direction of the cabinet;

[0020] The first circular arc transition transmission part is installed on the mounting plate one, the first circular arc transition part is a first circular arc guide rail, one end of the first circular arc guide rail is arranged corresponding to the first end of the linear guide rail and is embedded with a positioning sensor four, and the other end is arranged corresponding to the docking port of the guide rail one and is embedded with a positioning sensor five, the guide surface of the first circular arc guide rail and the guide surface of the guide rail one are arranged correspondingly in the height direction and have the same size, the first circular arc transition drive part is installed on the partition, and the driving end of the first circular arc transition drive part is connected to the first circular arc guide rail through the first circular arc transition transmission part to drive it to move along the front and rear direction of the cabinet;

[0021] The linear guide drive unit, the first arc transition drive unit, the positioning sensor 1, the positioning sensor 2, the positioning sensor 3, the positioning sensor 4 and the positioning sensor 5 are connected to the PLC logic program controller by electrical signals.

[0022] Preferably, the chain frame includes a frame body, a plurality of connecting plates and a guide wheel. The frame body is in the shape of a rake. The ends of the plurality of tooth plates of the two frames are arranged relatively to each other and are rotatably connected to the two ends of the connecting plate along the length direction. The plurality of guide wheels are rotatably connected to the top end of the frame body, are symmetrically arranged on both sides of the guide rail and are rollingly connected thereto. The fixed end of the chain frame driving part is tightly connected to the frame body, and its power output end is transmission-connected to one of the guide wheels.

[0023] Preferably, the frame includes a vertical plate, a storage strip and a guide wheel mounting strip, the vertical plate is arranged along the height direction of the cabinet, the guide wheel mounting strip is horizontally arranged and its first end is fastened to the top end of the vertical plate, a plurality of the storage strips are the toothed plates and are located below the guide wheel mounting strip and arranged horizontally and at intervals, and one end thereof is fastened to a board surface of the vertical plate, and the other end is horizontally rotatably connected to one end of the connecting plate along the length direction, the guide wheel is rotatably connected to the upper board surface of the guide wheel mounting strip, and the chain frame driving part is installed on the upper board surface of the guide wheel mounting strip.

[0024] Preferably, the chain frame also includes a connecting plate 2, a turntable, and a guide wheel 2. The connecting plate 2 is horizontally arranged, and its two ends along the length direction are rotatably connected to the second ends of the guide wheel mounting strips at the top of the two frame bodies, respectively. The two turntable axes are coaxially arranged with the central axes of the rotating shafts at both ends of the connecting plate 2 and are rotatably connected thereto. The two guide wheels 2 are rotatably connected to the turntable and are symmetrically arranged about the center of the disk surface along the radial direction thereof. The distance between the two guide wheels 2 corresponds to the width of the guide rail 1 and is rollingly connected thereto.

[0025] Preferably, the mobile guiding mechanism also includes a second circular arc transition part, a second circular arc transition transmission part and a second circular arc transition drive part, the second circular arc transition part is a second circular arc guide rail, the second circular arc transition transmission part is installed on the mounting plate one, one end of the second circular arc guide rail is arranged corresponding to the second end of the linear guide rail and is embedded with a positioning sensor six, the other end is arranged corresponding to the docking port of the guide rail one and is embedded with a positioning sensor seven, the guide surface of the second circular arc guide rail and the guide surface of the guide rail one have cross sections arranged correspondingly in the height direction and have the same size, the second circular arc transition drive part is installed on the partition, and the driving end of the second circular arc transition drive part is connected to the second circular arc guide rail through the second circular arc transition transmission part to drive it to move along the front and rear direction of the cabinet;

[0026] The second arc transition driving unit, the positioning sensor six and the positioning sensor seven are connected to the PLC logic program controller by electrical signals.

[0027] Preferably, it also includes a system controller, a compressor and a control panel, the system controller is installed in the electrical room and is electrically connected to the PLC logic program controller, the compressor and the control panel, the compressor is installed in the electrical room and is connected to the pre-cooling conveying channel and the refrigeration part pipeline of the cold storage room, and the control panel is installed at the front end of the cabinet and is located above the sample conveying port.

[0028] It can be seen from the above technical solutions that, compared with the prior art, the present invention discloses a blood sample storage cabinet, which has the following beneficial effects:

[0029] 1. Blood samples must pass through the pre-cooling transport channel before entering the cold storage room, which avoids large fluctuations in the temperature in the cold storage room when storing large quantities of blood samples, which may affect other blood samples;

[0030] 2. Multiple chain racks arranged in parallel along the front and rear direction of the cabinet form a chain rack group, which has high storage density;

[0031] 3. When storing and retrieving, a single chain rack is transferred from the chain rack group from being arranged along the sides of the cabinet to being arranged along the front and back of the cabinet via a movable guide mechanism. There is no need to reserve storage and retrieval space between the chain racks. The multi-stage structure of the chain rack reduces the length restriction of the storage space when retrieving it, avoids the waste of the internal space of the cabinet due to direct entry and exit, and further improves the storage density.

[0032] 4. The two ends of the linear guide rail 1 are arranged corresponding to the first arc guide rail and the second arc guide rail respectively, so that the chain rack located at the rear of the refrigeration room along the front-to-back direction of the cabinet can also be transitioned to the linear guide rail 1. The method of guiding the two ends of the chain rack group along the front-to-back direction of the cabinet to the middle position further avoids the waste of the internal space of the cabinet and further improves the storage density;

[0033] 5. The guide rail and the movable guide mechanism are installed on the top of the cold storage room, so that the chain rack droops naturally under the action of gravity, and the structure is more stable;

[0034] 6. The blood sample storage box can be stored and retrieved through the transport mechanism, which is faster and more automated. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A three-dimensional schematic diagram of a blood sample storage cabinet provided by the present invention;

[0036] Figure 2 A schematic diagram of the internal space allocation of the blood sample storage cabinet provided by the present invention;

[0037] Figure 3 A schematic diagram of an explosion of a blood sample storage cabinet provided by the present invention;

[0038] Figure 4 It is a schematic diagram of the assembly of a chain frame, a mounting plate and a movable guide mechanism provided by the present invention;

[0039] Figure 5 A top view of the chain frame, mounting plate 1, transfer mechanism and transfer platform provided by the present invention when assembled (the chain frame moves between guide rail 1 and the linear guide rail);

[0040] Figure 6 A top view of the chain frame, mounting plate 1, transfer mechanism and transfer platform provided by the present invention when assembled (the chain frame is completely located on the linear guide rail);

[0041] Figure 7 A schematic diagram of the assembly of the mounting plate 1 and the movable guide mechanism provided by the present invention;

[0042] Figure 8 It is a schematic diagram of the assembly of the linear guide rail, the linear guide transmission part and the linear guide drive part provided by the present invention;

[0043] Fig. 9 An assembly diagram of the first circular arc guide rail, the first circular arc transition transmission part, the first circular arc transition drive part, the second circular arc guide rail, the second circular arc transition transmission part and the second circular arc transition drive part provided by the present invention;

[0044] Fig.10 A top view of a mounting plate 1 and a movable guide mechanism provided by the present invention;

[0045] Fig.11 for Fig.10 MM cross-sectional view;

[0046] Fig.12 for Fig.10 NN cross-sectional view;

[0047] Fig.13 A three-dimensional schematic diagram of a chain frame provided by the present invention;

[0048] Fig.14 for Fig.13 A local enlarged view of point A;

[0049] Fig.15 A top view of the chain frame provided by the present invention;

[0050] Fig.16 for Fig.15 BB cross-sectional view;

[0051] Fig.17 A three-dimensional schematic diagram of the transfer mechanism provided by the present invention;

[0052] Fig.18 for Fig.17 A local enlarged view of point C;

[0053] Fig.19 for Fig.17 A local enlarged view of D;

[0054] Fig. 20 for Fig.17 A local enlarged view of point E;

[0055] Fig.21 An exploded schematic diagram of the telescopic grabbing portion provided by the present invention;

[0056] Fig. 22 A three-dimensional schematic diagram of a gripping portion provided by the present invention;

[0057] Fig.23 A schematic diagram of the assembly of the partition and pre-cooling conveying channel provided by the present invention;

[0058] Fig.24 Schematic diagram of assembly of the partition and pre-cooling conveying channel provided by the present invention from other perspectives;

[0059] Fig.25 A schematic diagram of the assembly of the partition and the opening and closing part provided by the present invention;

[0060] Fig.26 for Fig.25 A local enlarged view of point F;

[0061] Fig. 27 This is a three-dimensional schematic diagram of the blood sample storage box provided by the present invention.

[0062] Among them: 1-cabinet; 2-chain rack; 3-moving guide mechanism; 4-transport mechanism; 5-pre-cooling channel; 6-opening and closing part; 7-blood sample box; 8-control panel; 11-storage table; 12-partition; 13-electrical room; 14-refrigeration room; 15-installation plate 1; 16-guide rail 1; 17-transport platform; 21-rack; 22-connecting plate 1; 23-guide wheel 1; 24-connecting plate 2; 25-turntable; 26-guide wheel 2; 27-driving part; 41-Y-axis moving plate moving part; 42-Z axis moving part; 43-telescopic grasping part; 51-driving belt 1; 52-cold air box 2; 53-reversing table; 61-baffle; 62-hydraulic rod 2; 63-guide plate; 71-slot; 121-refrigerating room entrance and exit; 211-vertical plate; 212-storage strip plate; 213-guide wheel mounting strip plate; 311-linear guide transmission part; 312-linear guide rail; 313-linear guide driving part; 314-guide rail 2; 315-slide seat 1; 321-first circle Arc transition transmission part; 322-first arc guide rail; 323-first arc transition drive part; 324-guide rail three; 325-slide seat two; 331-second arc transition transmission part; 332-second arc guide rail; 333-second arc transition drive part; 334-slide seat three; 411-transmission part four; 412-mounting plate two; 413-drive part four; 414-guide rail four; 421-transmission part five; 422-mounting plate three; 423-drive part five; 424-guide rail five; 432-grabbing part; 521-cold air release port; 3111-screw one; 3112-screw nut one; 3211-screw two; 3311-screw three; 3312-screw nut three; 4311-mounting plate four; 4312-hydraulic rod one; 4313-fixed strip; 4314-telescopic strip; 4315-guide rail six; 4316-first roller group; 4317-second roller group; 4321-driving part six; 4322-claw; 4323-bidirectional screw. DETAILED DESCRIPTION

[0063] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0064] See attached Figure 1-27 , the embodiment of the present invention discloses a blood sample storage cabinet, comprising: a cabinet body 1, a chain rack 2, a mobile guide mechanism 3, a chain rack driving part 27, a transport mechanism 4 and a PLC logic program controller;

[0065] The front end of the cabinet 1 is provided with a sample delivery port, and a storage table 11 is fixed on the outer wall of the cabinet 1 corresponding to the position of the sample delivery port;

[0066] The chain rack 2 is arranged as a multi-layer structure along the height direction of the cabinet 1, and there are gaps between the layers for placing the blood sample storage box 7. The chain rack 2 is arranged as a multi-section structure along the two sides of the cabinet 1, and two adjacent sections are rotatably connected to form a chain structure. Multiple chain racks 2 are located in the cabinet 1 and arranged along the front and back direction of the cabinet 1. The inner top of the cabinet 1 is arranged with multiple guide rails 16 along the two sides and corresponding to the multiple chain racks 2. The top of the chain rack 2 is slidably connected to the corresponding guide rail 16.

[0067] The mobile guide mechanism 3 includes a linear guide part and a first arc transition part, a transmission part and a guide drive part, wherein the linear guide part is arranged vertically corresponding to one end of the guide rail 16 and is slidably connected to the top of the cabinet 1, the first arc transition part connects the linear guide part and the guide rail 16, and the drive part drives the linear guide part and the first arc transition part to move through the transmission part and can be connected to multiple guide rails 16 respectively;

[0068] The chain frame driving part 27 is installed on the chain frame, and its driving end drives the chain frame 2 to move on the guide rail 16, the first arc transition part and the linear guide part;

[0069] The transport mechanism 4 is installed inside the cabinet 1, moves along the front-back and height directions of the cabinet 1, and a manipulator is arranged at its transport end to transport the blood sample storage box 7 located on the storage table 11 to the chain rack 2 located on the linear guide part;

[0070] The PLC logic program controller is installed inside the cabinet 1, and the docking ends of the guide rail 16, the first arc transition part and the straight guide part are all embedded with positioning sensors, and are electrically connected to the PLC logic program controller by signal to sense whether the docking is in place. The PLC logic program controller is electrically connected to the control module of the chain frame drive part 27, the guide drive part and the transfer mechanism 4.

[0071] Specifically, a two-dimensional code scanning port 1 and a presence sensor 1 are arranged above the sample delivery port, thereby sensing the blood sample storage box 7 placed on the storage table 11 and performing information reading and identification.

[0072] In order to further optimize the above technical solution, it also includes a pre-cooling conveying channel 5, which is arranged inside the cabinet 1 along both sides of the cabinet 1, and the inlet end of the pre-cooling conveying channel 5 is connected with the sample conveying port, and a transfer platform 17 is arranged corresponding to its outlet end, and the transfer platform 17 is arranged horizontally and is tightly connected to the inner wall surface of the cabinet 1. The blood sample storage box 7 is transported to the transfer platform 17 through the pre-cooling conveying channel 5, and the pre-cooling conveying channel 5 has a plurality of cold air release ports 521 inside to preliminarily cool the blood sample storage box 7. The manipulator at the transfer end of the transfer mechanism 4 grabs the blood sample storage box 7 located on the transfer platform 17 and places it on the chain rack 2 located on the linear guide part.

[0073] In order to further optimize the above technical scheme, the cabinet 1 includes an electrical room 13 and a cold storage room 14, and the electrical room 13 and the cold storage room 14 are separated by a partition 12. The pre-cooling conveying channel 5 is arranged inside the electrical room 13. The electrical room 13 corresponds to the rear end side of the cabinet 1 and is provided with a cold storage room entrance and exit 121 corresponding to the exit end, which passes through the partition 12. The transfer platform 17 is fixed on a wall of the cold storage room 14 located on the partition 12 and is arranged corresponding to the cold storage room entrance and exit 121. The guide mechanism 3 and the transfer mechanism 4 are installed inside the cold storage room 14, and the guide rail 16 is arranged at the inner top of the cold storage room 14 along both sides of the cabinet 1.

[0074] Specifically, the pre-cooling conveying channel 5 includes a conveyor belt 51, a reversing table 53 and a cold air box 52. The conveyor belt 51 is installed in the electrical room 13, and its transmission direction is toward the two sides of the cabinet 1. One end of the conveyor belt 51 is arranged corresponding to the sample conveying port, and the other end is arranged corresponding to the first reversing end of the reversing table 53. The reversing table 53 is installed in the electrical room 13, and its reversing plane is flush with the conveying plane of the conveyor belt 51. The second reversing end of the reversing table 53 is arranged corresponding to the transfer platform 17. The cold air box 52 is installed in the electrical room 13 and is located above the conveyor belt 51. The cold air box 52 is provided with a plurality of cold air release ports 521 at one end facing the conveyor belt 51, thereby, the blood sample storage box 7 can be conveyed and reversed through the conveyor belt 51 and the reversing table 53, and the plurality of cold air release ports 521 can preliminarily pre-cool the blood sample storage box 7 on the conveying plane; the reversing table 53 is an existing technology commonly used for reversing on the assembly line, and is not described in detail here.

[0075] More specifically, the transfer platform 17 is a second conveyor belt, which is installed on a wall of the partition 12 located in the cold storage room 14 and arranged corresponding to the cold storage room entrance and exit 121. Its conveying direction is toward the front and rear direction of the cabinet 1 to convey the blood sample storage box 7 from the second reversing end of the reversing table 53 to the inside of the cold storage room 14. A second presence sensor is arranged above the cold storage room entrance and exit 121 to detect whether the blood sample storage box 7 is conveyed to the transfer position located on the second conveyor belt.

[0076] More specifically, it also includes an opening and closing part 6, which includes a baffle 61, a hydraulic rod 62 and a guide plate 63. The baffle 61 is arranged along the height direction of the cabinet 1, and one of its plate surfaces is in contact with a wall surface of the partition 12 located in the cold storage room 14. The fixed end of the hydraulic rod 62 is fixedly connected to the partition 12, and its telescopic end is tightly connected to the top of the baffle 61 and moves along the height direction of the cabinet 1. The two guide plates 63 are located at the two ends of the baffle 61 along the two sides of the cabinet 1 and are tightly connected to the partition 12, and its limiting surface is in contact with a plate surface of the baffle 61 away from the partition 12. The baffle 61 moves along the height direction of the cabinet 1 under the limitation of the guide plate 63 through the hydraulic rod 62 to control the opening and closing of the cold storage room entrance 121.

[0077] In order to further optimize the above technical solution, it also includes a mounting plate 15, which is horizontally arranged and fastened to the inner wall of the refrigerating chamber 14, the guide rail 16 is fastened to the lower plate surface of the mounting plate 15, and the straight guide part, the first arc transition part, the transmission part and the guide drive part are installed on the mounting plate 15.

[0078] In order to further optimize the above technical solution, the transmission part includes a linear guide transmission part 311 and a first arc transition transmission part 321, and the guide drive part includes a linear guide drive part 313 and a first arc transition drive part 323;

[0079] The linear guide transmission part 311 is installed on the mounting plate 15, and the linear guide part is a linear guide rail 312. The linear guide rail 312 is arranged along the front-to-back direction of the cabinet 1, and the cross-sections of its guide surface and the guide surface of the guide rail 16 are arranged correspondingly in the height direction and have the same size. The docking port of the guide rail 16 is embedded with a positioning sensor 1. The two ends of the linear guide rail 312 along the front-to-back direction of the cabinet 1 are respectively the first end and the second end and are respectively embedded with a positioning sensor 2 and a positioning sensor 3. The linear guide driving part 313 is installed on the partition 12, and the driving end of the linear guide driving part 313 is transmission-connected with the linear guide rail 312 through the linear guide transmission part 311 to drive it to move along the front-to-back direction of the cabinet 1.

[0080] The first arc transition transmission part 321 is installed on the mounting plate 15, the first arc transition part is a first arc guide rail 322, one end of the first arc guide rail 322 is arranged corresponding to the first end of the linear guide rail 312 and is embedded with a positioning sensor 4, and the other end is arranged corresponding to the docking port of the guide rail 16 and is embedded with a positioning sensor 5, the guide surface of the first arc guide rail 322 and the guide surface of the guide rail 16 are arranged correspondingly in the height direction and have the same size, the first arc transition drive part 323 is installed on the partition 12, and the driving end of the first arc transition drive part 323 is connected to the first arc guide rail 322 through the first arc transition transmission part 321 to drive it to move along the front and rear direction of the cabinet 1;

[0081] The linear guide drive unit 313, the first arc transition drive unit 323, the positioning sensor 1, the positioning sensor 2, the positioning sensor 3, the positioning sensor 4 and the positioning sensor 5 are connected to the PLC logic program controller by electrical signals.

[0082] Specifically, the linear guide transmission part 311 includes a screw 1 3111, a screw nut 1 3112, a guide rail 2 314, and a slide 1 315. The screw 1 3111 is arranged along the front-to-back direction of the cabinet 1 and is rotatably connected to the side wall of the cold storage chamber 14. One end of the screw 1 3111 is transmission-connected to the power output end of the linear guide drive part 313. The guide rail 2 314 is fastened to the upper plate surface of the mounting plate 15 and is arranged along the front-to-back direction of the cabinet 1. The slide 1 315 is slidably connected to the guide rail 2 314. The mounting plate 15 is provided with a long avoidance hole 1 along the movement path of the slide 1 315. The bottom end of the slide 1 315 passes through the long avoidance hole 1 and is fastened to the linear guide 312. The screw nut 1 3112 is fixedly connected to the slide 1 315 and is spirally connected to the screw 1 3111.

[0083] Specifically, the first arc transition transmission part 321 includes a screw 2 3211, a guide rail 324 and a slide 2 325. The screw 2 3211 is arranged along the front-to-back direction of the cabinet 1 and is rotatably connected to the side wall of the cold storage chamber 14. One end of the screw 2 3211 is transmission-connected to the power output end of the first arc transition drive part 323. The guide rail 324 is fastened to the upper plate surface of the mounting plate 15 and is arranged along the front-to-back direction of the cabinet 1. The slide 2 325 is slidingly connected to the guide rail 324 and spirally connected to the screw 2 3211. The mounting plate 15 is provided with a long avoidance hole 2 along the movement path of the slide 2 325. The bottom end of the slide 2 325 passes through the long avoidance hole 2 and is fastened to the first arc guide rail 322.

[0084] More specifically, the linear guide driving unit 313 is a servo motor 1, and the first arc transition driving unit 323 is a servo motor 2.

[0085] In order to further optimize the above technical solution, the chain frame 2 includes a frame body 21, multiple connecting plates 22 and a guide wheel 23. The frame body 21 is in the shape of a rake. The ends of the multiple tooth plates of the two frames 21 are arranged relatively to each other and rotatably connected to the two ends of the connecting plate 22 along the length direction. The multiple guide wheels 23 are rotatably connected to the top end of the frame body 21, symmetrically arranged on both sides of the guide rail 16 and rollingly connected thereto. The fixed end of the chain frame driving part 27 is tightly connected to the frame body 21, and its power output end is transmission-connected to one of the guide wheels 23.

[0086] In order to further optimize the above technical solution, the frame 21 includes a vertical plate 211, a storage strip 212 and a guide wheel mounting strip 213. The vertical plate 211 is arranged along the height direction of the cabinet 1, and the guide wheel mounting strip 213 is arranged horizontally and its first end is fastened to the top of the vertical plate 211. Multiple storage strips 212 are the toothed plates and are located below the guide wheel mounting strip 213 and arranged horizontally and at intervals, and one end thereof is fastened to a board surface of the vertical plate 211, and the other end is horizontally connected to one end of the connecting plate 22 along the length direction. The guide wheel 23 is rotatably connected to the upper board surface of the guide wheel mounting strip 213, and the chain frame driving unit 27 is installed on the upper board surface of the guide wheel mounting strip 213.

[0087] Specifically, the upper surfaces of the storage strip 212 and the connecting plate 22 are sprayed with anti-skid material, thereby increasing the friction between the storage strip 212 and the connecting plate 22 and the bottom of the blood sample storage box 7 to prevent the chain rack 2 from sliding relative to each other during movement.

[0088] More specifically, the storage strip 212 and the connecting plate 1 22 are provided with presence sensors 3 corresponding to the placement area of ​​the blood sample storage box 7, thereby detecting the idle placement area.

[0089] More specifically, the chain frame driving unit 27 is a servo motor.

[0090] In order to further optimize the above technical solution, the chain frame 2 also includes a connecting plate 24, a turntable 25, and a guide wheel 26. The connecting plate 24 is horizontally arranged, and its two ends along the length direction are respectively rotatably connected to the second ends of the guide wheel mounting strips 213 at the top of the two frame bodies 21. The axes of the two turntables 25 are coaxially arranged with the central axes of the rotating shafts at both ends of the connecting plate 24 and are rotatably connected thereto. The two guide wheels 26 are rotatably connected to the turntable 25 and are symmetrically arranged about the center of the disk surface along the radial direction thereof. The distance between the two guide wheels 26 corresponds to the width of the guide rail 16 and is rollingly connected thereto.

[0091] In order to further optimize the above technical solution, the mobile guiding mechanism 3 also includes a second arc transition part, a second arc transition transmission part 331 and a second arc transition drive part 333, the second arc transition part is a second arc guide rail 332, the second arc transition transmission part 331 is installed on the mounting plate 15, one end of the second arc guide rail 332 is arranged corresponding to the second end of the linear guide rail 312 and is embedded with a positioning sensor 6, and the other end is arranged corresponding to the docking port of the guide rail 16 and is embedded with a positioning sensor 7, the cross-sections of the guide surface of the second arc guide rail 332 and the guide surface of the guide rail 16 are arranged correspondingly in the height direction and have the same size, the second arc transition drive part 333 is installed on the partition 12, and the driving end of the second arc transition drive part 333 is connected to the second arc guide rail 332 through the second arc transition transmission part 331 to drive it to move along the front and rear direction of the cabinet 1;

[0092] The second arc transition driving unit 333, the positioning sensor six and the positioning sensor seven are connected to the PLC logic program controller by electrical signals.

[0093] Specifically, the second arc transition transmission part 331 includes a screw three 3311, a screw nut three 3312 and a slide three 334. The screw three 3311 is arranged along the front-to-back direction of the cabinet body 1 and is rotatably connected to the side wall of the cold storage chamber 14. One end of the screw three 3311 is transmission-connected to the power output end of the second arc transition drive part 333. The slide three 334 is slidably connected to the guide rail three 324. The mounting plate one 15 is provided with a long avoidance hole three along the movement path of the slide three 334. The bottom end of the slide three 334 passes through the long avoidance hole three and is tightly connected to the second arc guide rail 332. The screw nut three 3312 is fixedly connected to the slide three 334 and is spirally connected to the screw three 3311.

[0094] More specifically, the second arc transition driving unit 333 is a servo motor three.

[0095] More specifically, the multiple chain racks 2 arranged in parallel along the front-to-back direction of the cabinet body 1 in the cold storage room 14, the multiple chain racks 2 located in the front side of the center position of the cold storage room 14 along the front-to-back direction of the cabinet body 1 are guided by the first arc guide rail 322, and the other side is guided by the second arc guide rail 332.

[0096] In order to further optimize the above technical solution, a barcode is pasted on the blood sample storage box 7 , and a horizontally arranged card slot 71 is opened at the top of the blood sample storage box 7 .

[0097] In order to further optimize the above technical solution, the transfer mechanism 4 is designed to be flat, thereby further improving the space utilization rate in the cold storage room.

[0098] Specifically, the transfer mechanism 4 includes a Y-axis moving part 41, a Z-axis moving part 42 and a telescopic grasping part 43; the Y-axis moving part 41 is installed on a side wall surface along the two sides of the cabinet 1 in the refrigerating chamber 14, and its moving end moves along the front-to-back direction of the cabinet 1, the Z-axis moving part 42 is installed at the moving end of the Y-axis moving part 41, and the moving end of the Z-axis moving part 42 moves up and down along the height direction of the cabinet 1, the telescopic grasping part 43 includes a telescopic part and a grasping part 432, the telescopic part is installed at the moving end of the Z-axis moving part 42 and its telescopic direction moves along the two sides of the cabinet 1, and the grasping part 432 is installed at the telescopic end of the telescopic part;

[0099] More specifically, the Y-axis moving part 41 includes a transmission part 411, a guide rail 414, a mounting plate 412 and a driving part 413. The transmission part 411 is installed on a side wall surface along the two sides of the cabinet 1 in the refrigerating chamber 14 and arranged along the front-to-back direction of the cabinet 1. The guide rail 414 is arranged along the front-to-back direction of the cabinet 1. The two guide rails 414 are respectively fastened to the upper and lower ends of the side wall surface of the refrigerating chamber 14 along the cabinet height direction. The plate surface of the mounting plate 412 faces Towards both sides of the cabinet 1, and its upper and lower ends are slidably connected with the guide rail four 414 along the front and rear direction of the cabinet 1, the Z-axis moving part 42 is installed on the mounting plate two 412, the fixed end of the driving part four 413 is fastened to the inner wall of the cold storage room 14, and its power output end is transmission-connected with the power input end of the transmission part four 411, and the driving end of the driving part four 413 is transmission-connected with the mounting plate two 412 through the transmission part four 411 to drive it to move along the front and rear direction of the cabinet 1.

[0100] More specifically, the driving unit four 413 is a servo motor four.

[0101] More specifically, the Z-axis moving part 42 includes a transmission part 5 421, a guide rail 5 424, a mounting plate 3 422 and a driving part 5 423. The transmission part 5 421 is mounted on the mounting plate 2 412 and arranged along the height direction of the cabinet 1. The guide rail 5 424 is arranged along the height direction of the cabinet 1. The two guide rails 5 424 are respectively fastened to a plate surface of the mounting plate 2 412 facing the connecting frame 2 and at both ends along the front-back direction of the cabinet 1. The plate surface of the mounting plate 3 422 faces the two sides of the cabinet 1. The cabinet body 1 is slidably connected to the guide rail 424 at its two ends along the front-to-back direction of the cabinet body 1, and the telescopic part 431 and the grabbing part 432 are mounted on the mounting plate 3 422. The fixed end of the driving part 423 is fastened to the mounting plate 2 412, and its power output end is transmission-connected to the power input end of the transmission part 5 421. The driving end of the driving part 423 is transmission-connected to the mounting plate 3 422 via the transmission part 5 421 to drive it to move in the height direction of the cabinet body 1.

[0102] More specifically, the driving unit five 423 is a servo motor five.

[0103] More specifically, the telescopic portion includes a fixed strip 4313, a telescopic strip 4314, a second roller group 4317, a mounting plate 4311, a first roller group 4316, a hydraulic rod 1 4312 and a guide rail 6 4315. The fixed strip 4313 is arranged along the two sides of the cabinet 1, and one end thereof is fastened to a plate surface of the mounting plate 3 422 facing the chain frame 2. The two fixed strips 4313 are symmetrically distributed along the mounting plate 3 422 in the center of the cabinet 1 in the front-to-back direction, and guide grooves are provided on the opposite surfaces thereof; the telescopic strip 4314 is arranged parallel to the fixed strip 4313 and is located between the two fixed strips 4313. The two telescopic strips 4314 are located along the mounting plate 3 422 in the center of the cabinet 1 in the front-to-back direction. Symmetrically distributed and with sliding grooves on opposite surfaces, the second roller group 4317 is rotatably connected to a plate surface of the telescopic strip 4314 facing the guide groove, and is slidably connected to the guide groove, the mounting plate four 4311 is horizontally arranged and located between the two telescopic strips 4314, the first roller group 4316 is rotatably connected to the two ends of the mounting plate four 4311 along the front and rear directions of the cabinet, and is slidably connected to the sliding groove, the fixed end of the hydraulic rod one 4312 is fastened to the mounting plate four 4311, and its telescopic end is fastened to the mounting plate three 422, and the guide rail six 4315 is installed on the lower plate surface of the mounting plate four 4311 along the front and rear directions of the cabinet 1, thereby, the hydraulic rod one 4312 is telescopically extended to drive the mounting plate four 4311 to move along the two sides of the cabinet 1.

[0104] More specifically, the grabbing portion 432 includes a driving portion 6321, a claw 4322 and a bidirectional screw 4323. The bidirectional screw 4323 is rotatably connected to the mounting plate 4311 along the front-to-back direction of the cabinet 1. The two claws 4322 are slidably connected to the guide rail 6 4315 along the front-to-back direction of the cabinet 1, and are symmetrically distributed on both sides of the center position of the mounting plate 4311 along the front-to-back direction of the cabinet 1, and are spirally connected to the bidirectional screw 4323. The claw 4322 has a block arranged corresponding to the slot 71. The fixed end of the driving portion 6321 is fixedly connected to the upper plate surface of the mounting plate 4311, and its power output end is transmission-connected to the bidirectional screw 4323. The driving portion 6321 drives the bidirectional screw 4323 to rotate to drive the two claws 4322 to approach or move away at the same time.

[0105] More specifically, the driving unit six 4321 is a servo motor six.

[0106] More specifically, a two-dimensional code scanning port 2 is arranged at one end of the mounting plate 4311 facing the chain rack 2, thereby confirming the information of the blood sample storage box 7 when accessing.

[0107] In order to further optimize the above technical solution, it also includes a system controller, a compressor and a control panel 8. The system controller is installed in the electrical room 13 and is electrically connected to the PLC logic program controller, the compressor and the control panel 8. The compressor is installed in the electrical room 13 and is connected to the pre-cooling conveying channel 5 and the refrigeration part pipeline of the refrigeration room 14. The control panel 8 is installed at the front end of the cabinet 1 and is located above the sample conveying port.

[0108] More specifically, the PLC logic program controller is also electrically connected to the control module of hydraulic rod 1 4312, the control module of hydraulic rod 2 62, the control module of conveyor belt 1 51, the control module of reversing table 53, the control module of conveyor belt 2, the servo motor, servo motor 1, servo motor 2, servo motor 3, servo motor 4, servo motor 5 and servo motor 6.

[0109] More specifically, the controller is electrically connected to the presence sensor 1, the presence sensor 2, the presence sensor 3, the QR code scanning port 1 and the QR code scanning port 2.

[0110] The specific principle and use method of a blood sample storage cabinet provided in this embodiment are as follows:

[0111] 1. The blood sample storage box 7 is placed on the storage table 11, and the presence sensor 1 senses the blood sample storage box 7 and feeds back to the controller, and the controller controls the QR code scanning port 1 to read the QR code on the blood sample storage box 7;

[0112] 2. The controller controls the hydraulic rod 2 62 to retract through the PLC logic program controller, pulling the baffle 61 upward, and the cold storage room entrance 121 is opened;

[0113] 3. Manually place the blood sample storage box 7 on the conveyor belt 1 51, and the PLC logic program controller controls the conveyor belt 1 51, the reversing table 53 and the conveyor belt 2 to transfer the blood sample storage box 7 to the waiting transfer position inside the cold storage room 14 through the pre-cooling conveying channel 5;

[0114] 4. The controller detects the vacant position on the chain rack 2 through the presence sensor 3 and determines the stored chain rack 2;

[0115] 5. The mobile guide mechanism 3 is docked with the guide rail 16 where the chain rack 2 to be stored is located;

[0116] (1) The controller determines the position of the chain rack 2 to be stored. When the chain rack 2 is located in front of the center position of the refrigerator chamber 14 along the front-to-back direction of the cabinet, the controller controls the servo motor 1 and the servo motor 2 to rotate through the PLC logic program controller, driving the linear guide rail 312 and the first arc guide rail 322 to dock with the port of the guide rail 1 16 where the chain rack 2 to be stored is located; when the chain rack 2 is located in the rear of the center position of the refrigerator chamber 14 along the front-to-back direction of the cabinet, the controller controls the servo motor 1 and the servo motor 3 to rotate through the PLC logic program controller, driving the linear guide rail 312 and the second arc guide rail 332 to dock with the port of the guide rail 1 16 where the chain rack 2 to be stored is located;

[0117] (2) When the chain rack 2 to be stored is located in the front, the servo motor 1 and the servo motor 2 drive the linear guide rail 312 and the first circular arc guide rail 322 to move to the position of the guide rail 16 port where the chain rack 2 to be stored is located. When the positioning sensor 5 embedded in the docking end of the first circular arc guide rail 322 senses the positioning sensor 1 embedded in the guide rail 16 port, the servo motor 2 stops rotating, the position of the first circular arc guide rail 322 is fixed, and the servo motor 1 adjusts the distance between the linear guide rail 312 and the first circular arc guide rail 322 until the positioning sensor 4 senses the positioning sensor 2, and the servo motor 1 stops rotating, and the position of the linear guide rail 312 is fixed;

[0118] (3) When the chain rack 2 to be stored is in the front mode, the logic is the same as the above steps;

[0119] 6. The controller controls the servo motor to rotate in the positive direction through the PLC logic program controller, driving the guide wheel 23 to rotate, and driving the chain frame 2 to slide onto the linear guide rail 312;

[0120] 7. The controller controls the servo motor 4 and the servo motor 5 through the PLC logic program controller to adjust the position of the claw 4322 so that the grabbing part 432 is located at the waiting position of the transfer platform 17;

[0121] 8. The controller controls the servo motor to rotate in the positive direction through the PLC logic program controller, driving the bidirectional screw 4323 to rotate, driving the clamping claw to clamp the blood sample storage box 7;

[0122] 9. The controller controls the servo motor 4 and the servo motor 5 to adjust the position of the claw 4322 through the PLC logic program controller until the blood sample storage box 7 is aligned with the idle storage position of the chain rack 2 and the height gap between its bottom end and the storage surface at the storage position is reasonable;

[0123] 10. The controller controls the hydraulic rod 4312 to extend through the PLC logic program controller until the blood sample storage box 7 is located directly above the storage position;

[0124] 11. The controller controls the servo motor 6 to rotate through the PLC logic program controller, driving the bidirectional screw 4323 to rotate in the opposite direction, driving the claw to release the blood sample storage box 7;

[0125] 12. The controller controls the servo motor to rotate in the opposite direction through the PLC logic program controller, driving the guide wheel 23 to rotate, and driving the chain frame 2 to return to its corresponding guide rail 16;

[0126] 13. The storage of the blood sample storage box 7 is now completed. When taking it out, the controller will call the chain rack 2 according to its storage position, and the QR code scanning port 2 on the mounting plate 4 4311 will reconfirm the blood sample storage box 7. The grabbing and transportation process is the same as the logic during storage.

[0127] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blood sample storage cabinet, characterized in that: include: A cabinet (1), wherein the front end of the cabinet (1) is provided with a sample delivery port, and a storage table (11) is fixed on the outer wall of the cabinet (1) at a position corresponding to the sample delivery port; A chain rack (2), wherein the chain rack (2) is arranged as a multi-layer structure along the height direction of the cabinet (1) and there are gaps between the layers for placing blood sample storage boxes (7); the chain rack (2) is arranged as a multi-section structure along the two sides of the cabinet (1) and two adjacent sections are rotatably connected to form a chain structure; a plurality of the chain racks (2) are located in the cabinet (1) and arranged along the front and rear direction of the cabinet (1); a plurality of guide rails (16) are arranged at the top end of the cabinet (1) along the two sides thereof and corresponding to the plurality of the chain racks (2); and the top end of the chain rack (2) is slidably connected to the corresponding guide rails (16); A movable guide mechanism (3), the movable guide mechanism (3) comprising a linear guide portion and a first circular arc transition portion, a transmission portion and a guide drive portion, the linear guide portion being arranged vertically corresponding to one end of the guide rail (16) and being slidably connected to the top of the cabinet (1), the first circular arc transition portion connecting the linear guide portion and the guide rail (16), the drive portion driving the linear guide portion and the first circular arc transition portion to move through the transmission portion and being able to dock with a plurality of guide rails (16) respectively; A chain frame driving part (27), wherein the chain frame driving part (27) is mounted on the chain frame, and a driving end of the chain frame (2) drives the chain frame (2) to move on the guide rail 1 (16), the first arc transition part and the linear guide part; A transfer mechanism (4), the transfer mechanism (4) being installed inside the cabinet (1) and moving along the front-back and height directions of the cabinet (1), and having a manipulator arranged at its transfer end to transfer the blood sample storage box (7) located on the storage table (11) to the chain rack (2) located on the linear guide portion; A PLC logic program controller is installed inside the cabinet (1); the guide rail 1 (16), the first arc transition part and the docking end of the straight guide part are all embedded with positioning sensors, and are electrically connected to the PLC logic program controller to sense whether the docking is in place; the PLC logic program controller is electrically connected to the control module of the chain frame drive part (27), the guide drive part and the transfer mechanism (4).

2. A blood sample storage cabinet according to claim 1, characterized in that: It also includes a pre-cooling transport channel (5), which is arranged inside the cabinet (1) along both sides of the cabinet (1), the inlet end of the pre-cooling transport channel (5) is connected to the sample transport port, and the outlet end thereof is correspondingly arranged with a transfer platform (17), the transfer platform (17) is arranged horizontally and is tightly connected to the inner wall surface of the cabinet (1), the blood sample storage box (7) is transported to the transfer platform (17) through the pre-cooling transport channel (5), and the pre-cooling transport channel (5) has a plurality of cold air release ports (521) inside to preliminarily cool the blood sample storage box (7), and the manipulator at the transfer end of the transfer mechanism (4) grabs the blood sample storage box (7) located on the transfer platform (17) and places it on the chain rack (2) located on the linear guide part.

3. A blood sample storage cabinet according to claim 2, characterized in that: The cabinet (1) comprises an electrical room (13) and a refrigerating room (14), wherein the electrical room (13) and the refrigerating room (14) are separated by a partition (12); the pre-cooling conveying passage (5) is arranged inside the electrical room (13); the electrical room (13) corresponds to the rear end side of the cabinet (1) and a refrigerating room entrance (121) is arranged corresponding to the exit end and passes through the partition (12); the transfer platform (17) is fixed on the partition (12) and is located on a wall of the refrigerating room (14), and is arranged corresponding to the refrigerating room entrance (121); the guide mechanism (3) and the transfer mechanism (4) are installed inside the refrigerating room (14); and the guide rail (16) is arranged at the top of the refrigerating room (14) along the two sides of the cabinet (1).

4. A blood sample storage cabinet according to claim 3, characterized in that: It also includes a mounting plate (15), wherein the mounting plate (15) is horizontally arranged and is fixedly connected to the inner wall of the refrigerating chamber (14), the guide rail (16) is fixedly connected to the lower plate surface of the mounting plate (15), and the linear guide part, the first arc transition part, the transmission part and the guide drive part are installed on the mounting plate (15).

5. A blood sample storage cabinet according to claim 4, characterized in that: The transmission part comprises a linear guide transmission part (311) and a first circular arc transition transmission part (321), and the guide drive part comprises a linear guide drive part (313) and a first circular arc transition drive part (323); The linear guide transmission part (311) is installed on the mounting plate (15), the linear guide part is a linear guide rail (312), the linear guide rail (312) is arranged along the front-to-back direction of the cabinet (1), and the cross-sections of its guide surface and the guide surface of the guide rail (16) are arranged correspondingly in the height direction and have the same size, the docking port of the guide rail (16) is embedded with a positioning sensor (1), the two ends of the linear guide rail (312) along the front-to-back direction of the cabinet (1) are respectively a first end and a second end, and are respectively embedded with a positioning sensor (2) and a positioning sensor (3); the linear guide driving part (313) is installed on the partition (12), and the driving end of the linear guide driving part (313) is connected to the linear guide rail (312) through the linear guide transmission part (311) to drive it to move along the front-to-back direction of the cabinet (1); The first circular arc transition transmission part (321) is installed on the mounting plate (15), the first circular arc transition part is a first circular arc guide rail (322), one end of the first circular arc guide rail (322) is arranged corresponding to the first end of the linear guide rail (312) and is embedded with a positioning sensor 4, and the other end is arranged corresponding to the docking port of the guide rail (16) and is embedded with a positioning sensor 5, the guide surface of the first circular arc guide rail (322) and the guide surface of the guide rail (16) are arranged correspondingly in the height direction and have the same size, the first circular arc transition drive part (323) is installed on the partition (12), and the driving end of the first circular arc transition drive part (323) is connected to the first circular arc guide rail (322) through the first circular arc transition transmission part (321) to drive it to move along the front and rear direction of the cabinet (1); The linear guide drive unit (313), the first arc transition drive unit (323), positioning sensor 1, positioning sensor 2, positioning sensor 3, positioning sensor 4 and positioning sensor 5 are connected to the PLC logic program controller by electrical signals.

6. A blood sample storage cabinet according to any one of claims 1 to 3, characterized in that: The chain frame (2) comprises a frame body (21), a plurality of connecting plates (22) and a guide wheel (23); the frame body (21) is in a rake tooth shape; the ends of the plurality of tooth plates of the two frame bodies (21) are arranged relative to each other and are rotatably connected to the two ends of the connecting plates (22) along the length direction; the plurality of guide wheels (23) are rotatably connected to the top end of the frame body (21), are symmetrically arranged on both sides of the guide rail (16) and are rollingly connected thereto; the fixed end of the chain frame driving part (27) is tightly connected to the frame body (21), and its power output end is drivingly connected to one of the guide wheels (23).

7. A blood sample storage cabinet according to claim 6, characterized in that: The frame (21) comprises a vertical plate (211), a storage strip plate (212) and a guide wheel mounting strip plate (213); the vertical plate (211) is arranged along the height direction of the cabinet (1); the guide wheel mounting strip plate (213) is arranged horizontally and its first end is fastened to the top of the vertical plate (211); a plurality of storage strip plates (212) are toothed plates and are arranged horizontally and at intervals below the guide wheel mounting strip plate (213); one end of each storage strip plate is fastened to a plate surface of the vertical plate (211); the other end of each storage strip plate is horizontally connected to an end of the connecting plate (22) along the length direction; the guide wheel (23) is rotatably connected to the upper plate surface of the guide wheel mounting strip plate (213); and the chain frame driving unit (27) is installed on the upper plate surface of the guide wheel mounting strip plate (213).

8. A blood sample storage cabinet according to claim 7, characterized in that: The chain frame (2) also includes a second connecting plate (24), a turntable (25), and a second guide wheel (26). The second connecting plate (24) is arranged horizontally, and its two ends along the length direction are respectively rotatably connected to the second ends of the guide wheel mounting strips (213) at the top ends of the two frame bodies (21). The axes of the two turntables (25) are coaxially arranged with the central axes of the rotating shafts at both ends of the second connecting plate (24) and are rotatably connected thereto. The two guide wheels (26) are rotatably connected to the turntable (25) and are symmetrically arranged along the radial direction about the center of the disk surface. The distance between the two guide wheels (26) corresponds to the width of the guide rail (16) and is rollingly connected thereto.

9. A blood sample storage cabinet according to claim 5, characterized in that: The mobile guide mechanism (3) also includes a second circular arc transition part, a second circular arc transition transmission part (331) and a second circular arc transition drive part (333), wherein the second circular arc transition part is a second circular arc guide rail (332), the second circular arc transition transmission part (331) is mounted on the mounting plate one (15), one end of the second circular arc guide rail (332) is arranged corresponding to the second end of the linear guide rail (312) and is embedded with a positioning sensor six, and the other end is arranged corresponding to the docking port of the guide rail one (16) and is embedded with a positioning sensor seven, the guide surface of the second circular arc guide rail (332) and the guide surface of the guide rail one (16) are arranged correspondingly in the height direction and have the same size in cross section, the second circular arc transition drive part (333) is mounted on the partition (12), and the driving end of the second circular arc transition drive part (333) is connected to the second circular arc guide rail (332) through the second circular arc transition transmission part (331) to drive it to move along the front-rear direction of the cabinet (1); The second arc transition driving unit (333), the positioning sensor six and the positioning sensor seven are connected to the PLC logic program controller by electrical signals.

10. A blood sample storage cabinet according to claim 9, characterized in that: It also includes a system controller, a compressor and a control panel (8), wherein the system controller is installed in the electrical room (13) and is electrically connected to the PLC logic program controller, the compressor and the control panel (8); the compressor is installed in the electrical room (13) and is connected to the pre-cooling conveying channel (5) and the refrigeration part pipeline of the refrigerating chamber (14); and the control panel (8) is installed at the front end of the cabinet (1) and is located above the sample conveying port.

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