CN112849765A

CN112849765A - Sample induction and storage device for biomedicine

Info

Publication number: CN112849765A
Application number: CN202110017416.4A
Authority: CN
Inventors: 张亮
Original assignee: Zhenjiang Bofel Biotechnology Co ltd
Current assignee: Zhenjiang Bofel Biotechnology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-05-28

Abstract

The invention discloses a sample summarizing and storing device for biomedicine, which comprises a box body, a containing cylinder and a top cover, wherein cooling liquid is arranged in the containing cylinder, and a refrigerating mechanism is arranged at the bottom of the containing cylinder; the storage mechanism comprises a mounting hole, a placing barrel and a placing cover, a hollow rod and a placing blade are arranged in the center of the placing barrel, the placing blade is provided with a placing hole, the lower end of the hollow rod is connected with a ball nut and a guide frame, the guide frame is uniformly connected with a guide block, a guide groove is formed in the inner wall of the placing barrel, the ball nut is connected with a screw shaft, and the screw shaft is connected with a servo motor for driving the screw shaft to rotate; the stirring mechanism comprises a mounting bearing, a stirring ring and a rotating gear, the rotating gear is connected with a driving gear and a driving motor, and a stirring rod is connected below the stirring ring. Through the setting, inside coolant liquid has great specific heat capacity, consequently can the control of accuracy preserve the temperature, and the device has the advantage of being convenient for induction and preservation to biomedical's sample simultaneously.

Description

Sample induction and storage device for biomedicine

Technical Field

The invention relates to the field of medical inspection equipment, in particular to a sample induction and storage device for biomedicine.

Background

The medical tests are mainly classified into clinical tests, biochemical tests, microbiological tests, parasite tests and immunological tests, and currently, various biomedical samples need to be summarized and stored in the course of actual operations. Traditional preservation mode is to put medical sample into the refrigerator-freezer and refrigerate when, and this kind of cold-stored mode neither does benefit to concluding up the medical sample and preserves, and the efficiency in taking the in-process is very low simultaneously.

To solve this problem, a sample storage case for use in medical examination is proposed in utility model patent publication No. CN 203581638U. The method mainly aims to solve the problem that when a hospital is used for inspection, some samples with special storage conditions need to be rapidly sent by a testee himself, so that inconvenience is brought to the testee. The sample storage box also comprises a storage battery for outputting a direct current power supply, a central control panel, a sample storage refrigeration box, a sample storage heating box and a sample storage normal temperature box; 2 identical semiconductor refrigerating chip driving circuits composed of a resistor, a filter capacitor and a rheostat and an alternating current power supply rectifying and charging circuit for providing charging current for the storage battery are arranged in the central control board; the bottom surfaces of the sample storage refrigeration and heating boxes are respectively embedded with a semiconductor refrigeration piece, and the semiconductor refrigeration pieces at the bottom ends of the refrigeration boxes are upward in refrigeration surfaces; the heating surface of the semiconductor refrigerating sheet at the bottom end of the sample storage heating box faces upwards. The preservation box has three functional areas of refrigeration, heating and normal temperature storage, and can preserve a sample to be detected within a period of time.

However, the above-described holding box is generally used as a mobile, and its capacity is small, so that further improvement is required.

Disclosure of Invention

The invention aims to provide a sample induction and preservation device for biomedicine, wherein a cooling liquid in the device has larger specific heat capacity, so that the preservation temperature can be accurately controlled, and the device has the advantage of facilitating induction and preservation of the biomedicine sample.

In order to achieve the purpose, the invention provides the following technical scheme: a sample storage device for biomedicine comprises a box body, wherein a cylindrical containing barrel is arranged in the box body in the vertical direction, cooling liquid is arranged in the containing barrel, the top of the containing barrel is connected with a top cover, a containing mechanism is arranged on the top cover, a stirring mechanism is arranged in the containing barrel, and a refrigerating mechanism is arranged at the bottom of the containing barrel;

the storage mechanism comprises mounting holes uniformly formed in the top cover, the mounting holes are connected with a placing cylinder, a hollow rod is arranged in the center of the placing cylinder, placing blades are arranged outside the hollow rod, placing holes for placing samples are uniformly formed in the placing blades in the vertical direction, a placing cover clamped with the mounting holes is connected to the top end of the hollow rod, the lower end of the hollow rod is connected with a ball nut and a guide frame, the guide frame is uniformly connected with a guide block, a guide groove for enabling the hollow rod to move up and down is formed in the inner wall of the placing cylinder, the ball nut is connected with a screw rod shaft, and the screw rod shaft is connected with a servo motor for driving the screw rod shaft to rotate;

the stirring mechanism comprises a mounting bearing positioned at the top end in the accommodating cylinder, an outer ring of the mounting bearing is connected with the accommodating cylinder, an inner ring of the mounting bearing is connected with a stirring ring, an inner ring of the stirring ring is connected with a rotating gear, the rotating gear is meshed with a driving gear, the driving gear is connected with a driving motor, a stirring rod which does not interfere with the accommodating cylinder during rotation is uniformly connected below the stirring ring, and stirring blades are arranged on the stirring rod;

the refrigerating mechanism comprises a refrigerating compressor, the refrigerating compressor is connected with an evaporator and a condenser, the evaporator is located inside the containing cylinder and soaked in the cooling liquid, and the condenser is located outside the box body.

By the technical scheme, the refrigerating mechanism can absorb the heat of the cooling liquid through the evaporator so as to refrigerate the cooling liquid to reach the target temperature; the stirring mechanism can drive the driving gear and the rotating gear to rotate through the driving motor, so that the stirring ring can drive the stirring rod and the stirring blades to rotate, the temperature of each position of the cooling liquid is consistent in the rotating process, and the temperature of the cooling liquid is more uniform; the low temperature of the cooling liquid is transferred to the inside of the prevention and treatment cylinder by contacting with the placing cylinder, the hollow rod drives the placing blade to move up and down by the forward and reverse rotation of the screw shaft driven by the servo motor in the placing cylinder, and the placing blade is provided with a corresponding placing hole, so that the sample can be placed and taken by the rapid movement of the placing servo motor, and the working efficiency is improved; to sum up, simultaneously because the specific heat capacity of coolant liquid is great, consequently the temperature variation of coolant liquid is less to can be more accurate carry out the regulation of temperature, the motor is obeyed in private simultaneously, make placing and taking of sample more high-efficient, be more convenient for sum up and preserve the sample.

Preferably, a heat insulation layer is filled between the box body and the accommodating cylinder.

Through above-mentioned technical scheme, the loss of cold volume can be avoided to the insulating layer to avoid the influence of external environment to the temperature of coolant liquid.

Preferably, when the refrigeration temperature is higher than 0 ℃, the cooling liquid is water, and when the refrigeration temperature is lower than or equal to 0 ℃, the cooling liquid is alcohol.

Through the technical scheme, the specific heat capacity of the sample storage tank is large, the freezing point of alcohol is low, and the sample storage tank is not easy to freeze, so that the sample can be well stored at a low temperature.

Preferably, the placing blades are disks uniformly distributed from top to bottom.

Through above-mentioned technical scheme, adopt the disc to make placing the hole bigger density as placing the blade.

Preferably, the placing blade is a helical blade taking the hollow rod as an axis.

Through above-mentioned technical scheme, helical blade can be convenient for more to the corresponding operation that the box was taken placing of sample, improves operating efficiency.

Preferably, the outer wall of the placing barrel is uniformly provided with cold guide fins, and the centers of the cold guide fins are provided with cold guide holes communicated with the inside of the placing barrel.

Through above-mentioned technical scheme, can increase the coolant liquid and place the contact surface of a section of thick bamboo interior air through leading cold fin and leading cold hole to increased heat conduction area, and then more quick the temperature that makes in placing a section of thick bamboo reaches unanimous with the temperature of coolant liquid.

Preferably, a temperature sensor is arranged in the cooling liquid, and the temperature sensor is connected with a display module for displaying temperature.

Through the technical scheme, the temperature sensor and the display module can be used for more intuitively recognizing the temperature.

Preferably, a drying cylinder is inserted inside the placing cylinder, a placing bin is arranged on the drying cylinder, and a drying agent is filled in the placing bin.

Through above-mentioned technical scheme, through place the drier in the storehouse of placing at the drying cylinder and can avoid placing the appearance that has moisture in the section of thick bamboo, avoid appearing condensate and frozen phenomenon, be favorable to placing of sample more.

Compared with the prior art, the invention has the beneficial effects that:

(1) the refrigerating mechanism can absorb the heat of the cooling liquid through the evaporator so as to refrigerate the cooling liquid to reach a target temperature;

(2) the stirring mechanism drives the stirring rod and the stirring blades to rotate, so that the temperature of each position of the cooling liquid is consistent in the rotating process, and the temperature of the cooling liquid is more uniform;

(3) the servo motor drives the screw shaft to rotate forward and backward, so that the hollow rod drives the placing blade to move up and down, and the placing blade is provided with the corresponding placing hole, so that the placing and taking of samples can be completed through the rapid movement of the placing servo motor, and the working efficiency is improved;

(4) since the specific heat capacity of the coolant is large, the temperature change of the coolant is small, so that the temperature adjustment can be performed more accurately.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the case according to the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure of A in FIG. 3;

FIG. 5 is a partial enlarged structural view of B in FIG. 3;

FIG. 6 is a schematic structural view of a cold-conducting fin and a cold-conducting hole according to the present invention.

In the figure: 1. a box body; 2. a receiving cylinder; 3. cooling liquid; 4. a top cover; 5. mounting holes; 6. placing the cylinder; 7. a hollow shaft; 8. placing the blades; 9. placing holes; 10. placing a cover; 11. a ball nut; 12. a guide frame; 13. a guide block; 14. a guide groove; 15. a screw shaft; 16. a servo motor; 17. mounting a bearing; 18. a stirring ring; 19. a rotating gear; 20. a drive gear; 21. a drive motor; 22. a stirring rod; 23. a stirring blade; 24. an evaporator; 25. a condenser; 26. a thermal insulation layer; 27. a cold-conducting fin; 28. a cold conducting hole; 29. a temperature sensor; 30. a display module; 31. a drying cylinder; 32. placing a bin; 33. a desiccant; 34. a refrigeration compressor.

Detailed Description

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

Referring to fig. 1-6, an embodiment of the present invention is shown:

the utility model provides a save set is sumd up to sample for biomedicine, includes box 1, is provided with the cylinder shape that vertical direction placed in the box 1 and holds a section of thick bamboo 2.

A heat insulating layer 26 is filled between the box body 1 and the accommodating tube 2. The insulating layer 26 prevents loss of cooling capacity and thus the influence of the external environment on the temperature of the cooling liquid 3. The containing cylinder 2 is internally provided with cooling liquid 3, when the refrigerating temperature is higher than 0 ℃, the cooling liquid 3 is water, and when the refrigerating temperature is less than or equal to 0 ℃, the cooling liquid 3 is alcohol. The specific heat capacity of the two is large, and meanwhile, the freezing point of alcohol is lower, so that the sample is not easy to freeze, and the sample can be well stored at a lower temperature. A temperature sensor 29 is provided in the coolant 3, and a display module 30 for displaying temperature is connected to the temperature sensor 29. The temperature sensor 29 and the display module 30 can more intuitively recognize the temperature level.

The top of holding a section of thick bamboo 2 is connected with top cap 4, sets up receiving mechanism on top cap 4, is provided with rabbling mechanism in the holding a section of thick bamboo 2, and the bottom of holding a section of thick bamboo 2 is provided with refrigeration mechanism.

The storage mechanism comprises mounting holes 5 evenly formed in the top cover 4, the mounting holes 5 are connected with a placing barrel 6, a hollow rod 7 is arranged at the center of the placing barrel 6, a placing blade 8 is arranged outside the hollow rod 7, and a placing hole 9 which is used for placing a sample and is arranged in the vertical direction is evenly formed in the placing blade 8.

The top of cavity pole 7 is connected with the lid 10 of placing with mounting hole 5 joint, and the lower extreme of cavity pole 7 is connected with ball nut 11 and leading truck 12, and leading truck 12 evenly is connected with guide block 13, is provided with the guide way 14 that makes cavity pole 7 up-and-down motion on placing a 6 inner wall, and ball nut 11 is connected with screw shaft 15, and screw shaft 15 is connected with its pivoted servo motor 16 of drive. In this embodiment, the placing blades 8 are disks uniformly distributed from top to bottom. The use of a disc as the placement blade 8 enables a greater density of placement holes 9. Further, the placement blade 8 may be a spiral blade having the hollow rod 7 as the axis, instead of the disk. Helical blade can be convenient for more to the corresponding operation that the box was taken placing of sample, improves operating efficiency.

The stirring mechanism comprises a mounting bearing 17 positioned at the top end in the accommodating barrel 2, an outer ring of the mounting bearing 17 is connected with the accommodating barrel 2, an inner ring of the mounting bearing 17 is connected with a stirring ring 18, an inner ring of the stirring ring 18 is connected with a rotating gear 19, the rotating gear 19 is meshed with a driving gear 20, the driving gear 20 is connected with a driving motor 21, a stirring rod 22 which does not interfere with the accommodating barrel 6 when rotating is evenly connected below the stirring ring 18, and stirring blades 23 are arranged on the stirring rod 22. The stirring mechanism can drive the driving gear 20 and the rotating gear 19 to rotate through the driving motor 21, so that the stirring ring 18 can drive the stirring rod 22 and the stirring blade 23 to rotate, the temperature of each position of the cooling liquid 3 is consistent in the rotating process, and the temperature of the cooling liquid 3 is more uniform.

The refrigerating mechanism comprises a refrigerating compressor 34, the refrigerating compressor 34 is connected with an evaporator 24 and a condenser 25, the evaporator 24 is positioned inside the accommodating cylinder 2 and is soaked in the cooling liquid 3, and the condenser 25 is positioned outside the box body 1. The refrigeration mechanism can absorb heat of the coolant 3 by the evaporator 24 to refrigerate the coolant 3 to a target temperature.

The dynamic process of the device in use is as follows: the low temperature of the cooling liquid 3 is transferred to the inside of the prevention and control cylinder by contacting with the placing cylinder 6, the hollow rod 7 can drive the placing blade 8 to move up and down by the forward and reverse rotation of the screw shaft 15 driven by the servo motor 16 in the placing cylinder 6, and the placing blade 8 is provided with the corresponding placing hole 9, so that the sample can be placed and taken by the rapid movement of the placing servo motor 16, and the working efficiency is improved; meanwhile, the specific heat capacity of the cooling liquid 3 is large, so that the temperature change of the cooling liquid 3 is small, and the temperature can be adjusted more accurately.

In addition, the following modifications are also made to the placement barrel 6 in this embodiment:

1. the outer wall of the placing barrel 6 is uniformly provided with cold guide fins 27, and the center of the cold guide fins 27 is provided with cold guide holes 28 communicated with the inside of the placing barrel 6. The contact surface of the cooling liquid 3 and the air in the placing cylinder 6 can be increased through the cold guide fins 27 and the cold guide holes 28, so that the heat conduction area is increased, and the temperature in the placing cylinder 6 is enabled to be consistent with the temperature of the cooling liquid 3 more quickly.

2. The drying cylinder 31 is inserted in the placing cylinder 6, the placing bin 32 is arranged on the drying cylinder 31, and the drying agent 33 is filled in the placing bin 32. The drying agent 33 is placed in the placing bin 32 of the drying cylinder 31, so that the phenomenon that moisture exists in the placing cylinder 6 can be avoided, condensed water and icing are avoided, and the placing of a sample is facilitated.

In conclusion, the beneficial effects of the invention are as follows: (1) the refrigeration mechanism can absorb the heat of the cooling liquid 3 through the evaporator 24 to refrigerate the cooling liquid 3 to reach the target temperature; (2) the stirring mechanism drives the stirring rod 22 and the stirring blades 23 to rotate, so that the temperature of each position of the cooling liquid 3 is consistent in the rotating process, and the temperature of the cooling liquid 3 is more uniform; (3) the servo motor 16 drives the screw shaft 15 to rotate forward and backward, so that the hollow rod 7 drives the placing blade 8 to move up and down, and the placing blade 8 is provided with the corresponding placing hole 9, so that the placing and taking of samples can be completed through the rapid movement of the servo motor 16, and the working efficiency is improved; (4) since the specific heat capacity of the coolant 3 is large, the temperature change of the coolant 3 is small, so that the temperature adjustment can be performed more accurately.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A sample induction and preservation device for use in biomedicine, comprising: the refrigerator comprises a box body (1), wherein a cylindrical accommodating cylinder (2) which is placed in the vertical direction is arranged in the box body (1), cooling liquid (3) is arranged in the accommodating cylinder (2), a top cover (4) is connected to the top of the accommodating cylinder (2), a storage mechanism is arranged on the top cover (4), a stirring mechanism is arranged in the accommodating cylinder (2), and a refrigerating mechanism is arranged at the bottom of the accommodating cylinder (2);

the storage mechanism comprises mounting holes (5) evenly arranged on the top cover (4), the mounting holes (5) are connected with a placing barrel (6), a hollow rod (7) is arranged at the center of the placing barrel (6), placing blades (8) are arranged outside the hollow rod (7), placing holes (9) which are used for placing samples and are arranged in the vertical direction are evenly formed in the placing blades (8), a placing cover (10) connected with the mounting holes (5) in a clamped mode is connected to the top end of the hollow rod (7), a ball nut (11) and a guide frame (12) are connected to the lower end of the hollow rod (7), guide blocks (13) are evenly connected to the guide frame (12), guide grooves (14) enabling the hollow rod (7) to move up and down are arranged on the inner wall of the placing barrel (6), and the ball nut (11) is connected with a screw rod shaft (15), the screw shaft (15) is connected with a servo motor (16) for driving the screw shaft to rotate;

the stirring mechanism comprises a mounting bearing (17) positioned at the inner top end of the accommodating barrel (2), the outer ring of the mounting bearing (17) is connected with the accommodating barrel (2), the inner ring of the mounting bearing (17) is connected with a stirring ring (18), the inner ring of the stirring ring (18) is connected with a rotating gear (19), the rotating gear (19) is meshed with a driving gear (20), the driving gear (20) is connected with a driving motor (21), stirring rods (22) which do not interfere with the accommodating barrel (6) during rotation are uniformly connected below the stirring ring (18), and stirring blades (23) are arranged on the stirring rods (22);

the refrigeration mechanism comprises a refrigeration compressor (34), the refrigeration compressor (34) is connected with an evaporator (24) and a condenser (25), the evaporator (24) is located inside the containing cylinder (2) and soaked in the cooling liquid (3), and the condenser (25) is located outside the box body (1).

2. A sample induction and preservation device for biomedicine according to claim 1, characterized in that: a heat insulation layer (26) is filled between the box body (1) and the containing barrel (2).

3. A sample induction and preservation device for biomedicine according to claim 2, characterized in that: when the refrigeration temperature is higher than 0 ℃, the cooling liquid (3) is water, and when the refrigeration temperature is lower than or equal to 0 ℃, the cooling liquid (3) is alcohol.

4. A sample induction and preservation device for biomedicine according to claim 3, characterized in that: the placing blades (8) are disks which are uniformly distributed from top to bottom.

5. A sample induction and preservation device for biomedicine according to claim 3, characterized in that: the placing blade (8) is a helical blade taking the hollow rod (7) as an axis.

6. A sample induction and preservation device for biomedicine according to claim 4 or 5, characterized in that: the outer wall of the placing barrel (6) is uniformly provided with cold guide fins (27), and the centers of the cold guide fins (27) are provided with cold guide holes (28) communicated with the inside of the placing barrel (6).

7. A sample induction and preservation device for biomedicine according to claim 6, characterized in that: be provided with temperature sensor (29) in coolant liquid (3), temperature sensor (29) are connected with display module (30) that are used for showing the temperature.

8. A sample induction and preservation device for biomedicine according to claim 7, characterized in that: the drying cylinder (31) is inserted in the placing cylinder (6), the placing bin (32) is arranged on the drying cylinder (31), and the drying agent (33) is filled in the placing bin (32).