A refrigeration device suitable for PCR instrument
By designing the internal and external air conditioner units, interlayer heat insulation chambers and heat removal devices in the PCR instrument, combined with ice tank assisted refrigeration, the problem of low heat dissipation efficiency of the PCR instrument orifice plate is solved, significantly improving the refrigeration effect.
Patent Information
- Application Number
- CN202210772182.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-06-30
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2042-06-30
AI Technical Summary
The orifice plates used to place test tubes in existing PCR instruments have low heat dissipation efficiency, resulting in poor refrigeration effect.
A refrigeration device including an operating table, an air conditioner internal unit, an air conditioner external unit, a mezzanine insulation chamber, a support device, a heat discharge device, a slide rail, a T-trough, a baffle plate, a cylinder, a sealing ring and an ice tank are designed. The heat dissipation efficiency is improved through the air conditioning system and the insulation structure, and the ice tank is used to assist in refrigeration.
It effectively improves the heat dissipation effect of the PCR instrument orifice plate, reduces external heat conduction, improves the refrigeration efficiency, and enhances the cooling efficiency through flexible exhaust pipes and sliding structures.
Smart Images

Figure CN115011462B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of PCR instruments, and in particular to a refrigeration device suitable for PCR instruments. Background Art
[0002] Polymerase chain reaction (PCR) is a molecular biology technique used to amplify specific DNA fragments. PCR uses the fact that DNA denatures into single strands at 95°C in vitro. At low temperatures (usually around 60°C), primers and single strands combine according to the principle of base complementary pairing. The temperature is then adjusted to the optimal reaction temperature of DNA polymerase (around 72°C), and DNA polymerase synthesizes complementary chains along the direction from phosphate to pentose. The implementation of PCR generally requires the PCR instrument to control the temperature and heating time of each reaction stage.
[0003] In the current related technology, the well plate used for placing test tubes in the PCR instrument usually adopts air cooling to dissipate heat. When the temperature of the air itself is high, the air cooling effect is not good, and there is a defect of low heat dissipation efficiency. Summary of the invention
[0004] Therefore, the present invention aims to solve the defect of low heat dissipation efficiency in the prior art problem, thereby providing a refrigeration device suitable for a PCR instrument.
[0005] A refrigeration device suitable for a PCR instrument comprises: an operating table, which is hollow inside and is provided with an installation port for installing a perforated plate; an air-conditioning indoor unit, which is located inside the operating table, and an air-conditioning outdoor unit is provided outside the operating table; the table wall of the operating table is a sandwich structure, which is divided into an outer wall and an inner wall, the outer wall and the inner wall are in a vacuum state, and a heat-insulating cavity is formed, a supporting device is provided in the heat-insulating cavity, one end of the supporting device is connected to the inner side of the outer wall, and the other end is connected to the outer side of the inner wall; a heat exhaust device, which is located outside the outer wall of the operating table, and is used to exhaust hot air blown out by the air-conditioning outdoor unit away from the operating table.
[0006] Optionally, the supporting device includes a connecting column and a pair of thermal insulation seats, the connecting column is located between the thermal insulation seats, and the thermal insulation seats are connected to the outer wall and the inner wall.
[0007] Optionally, the heat exhaust device includes a mounting box, the air conditioner outdoor unit is located in the mounting box, the mounting box is connected to a deflector, the deflector is conical, and the tip of the deflector is connected to an exhaust pipe.
[0008] Optionally, the exhaust pipe is detachably connected to the air deflector.
[0009] Optionally, a slide rail is provided inside the operating table, a T-slot is provided on the slide rail, a T-block is provided inside the T-slot, the T-block slides in cooperation with the T-slot, a baffle and a cylinder are provided inside the operating table, the baffle is used to blow cold air toward the orifice plate, one end of the baffle is hinged to the T-block, one end of the cylinder is connected to the inner wall, and the other end is hinged to the baffle, and the cylinder is used to adjust the inclination angle of the baffle.
[0010] Optionally, a plurality of rollers are provided at the bottom of the T-slot, and the T-block is in contact with roller surfaces of the rollers.
[0011] Optionally, a sealing ring is provided on a side wall of the installation port, and the orifice plate is pressed against the sealing ring.
[0012] Optionally, an ice trough is provided inside the operating table, and the ice trough is used to place ice cubes. A through opening is provided on the wall of the operating table, and the ice trough can slide out of the through opening.
[0013] Optionally, a slide bar is provided on the ice trough, a slide groove is provided on the operating table, and the slide bar slidably cooperates with the slide groove.
[0014] Optionally, a handle is connected to the wall of the ice trough.
[0015] The technical solution of the present invention has the following advantages:
[0016] 1. The present invention provides a refrigeration device suitable for a PCR instrument, comprising: an operating table, which is hollow inside, and a mounting port is provided on the operating table, and the mounting port is used to install a perforated plate; an air-conditioning indoor unit, which is located inside the operating table, and an air-conditioning outdoor unit is provided outside the operating table; the table wall of the operating table is a sandwich structure, which is divided into an outer wall and an inner wall, and a vacuum state is formed between the outer wall and the inner wall to form a heat-insulating cavity, and a supporting device is provided in the heat-insulating cavity, one end of the supporting device is connected to the inner side of the outer wall, and the other end is connected to the outer side of the inner wall; a heat exhaust device, which is located outside the outer wall of the operating table, and the heat exhaust device is used to exhaust the hot air blown out by the air-conditioning outdoor unit away from the operating table. Through the above arrangement, when the operator uses the PCR instrument, he turns on the indoor and outdoor air conditioners to cool the internal space of the operating table. In addition, the heat insulation cavity can reduce the heat conduction from the outside to the internal space of the operating table, improve the cooling efficiency, and thus improve the heat dissipation effect on the orifice plate. In addition, the supporting device can support the outer wall and the inner wall, and the heat dissipation device can discharge the heat away from the surrounding of the operating table, thereby further improving the heat dissipation effect on the orifice plate.
[0017] 2. The present invention provides a refrigeration device suitable for a PCR instrument, wherein the support device comprises a connecting column and a pair of heat-insulating seats, wherein the connecting column is located between the heat-insulating seats, and the heat-insulating seats are connected to the outer wall and the inner wall. Through the above arrangement, the heat-insulating seats can reduce the heat conduction efficiency of the support device, thereby improving the refrigeration efficiency of the air conditioner indoor unit, and further improving the heat dissipation effect on the orifice plate.
[0018] 3. The present invention provides a refrigeration device suitable for a PCR instrument, wherein the heat dissipation device comprises an installation box, the air conditioner outside unit is located in the installation box, the installation box is connected to a guide cover, the guide cover is conical, and the tip of the guide cover is connected to an exhaust pipe. Through the above arrangement, the hot air discharged from the air conditioner outside unit is gathered into the exhaust pipe through the guide cover, so that the hot air can be discharged more efficiently, thereby improving the heat dissipation efficiency of the orifice plate.
[0019] 4. The present invention provides a refrigeration device suitable for a PCR instrument, wherein the exhaust pipe is detachably connected to the air guide cover. Through the above arrangement, the operator can replace the exhaust pipe of different lengths according to actual needs, and after the exhaust pipe is disassembled, the overall movement of the operating table is also facilitated, which is more flexible and convenient.
[0020] 5. The present invention provides a refrigeration device suitable for a PCR instrument, wherein a slide rail is provided inside the operating table, a T-slot is provided on the slide rail, a T-block is provided inside the T-slot, the T-block is slidably matched with the T-slot, a baffle and a cylinder are provided inside the operating table, the baffle is used to blow cold air to the orifice plate, one end of the baffle is hinged to the T-block, one end of the cylinder is connected to the inner wall, and the other end is hinged to the baffle, and the cylinder is used to adjust the inclination angle of the baffle. Through the above arrangement, under normal circumstances, the indoor unit of the air conditioner cannot blow cold air directly to the orifice plate on the top of the operating table, and the operator can adjust the inclination angle of the baffle by controlling the cylinder, thereby controlling the flow of cold air directly blown onto the orifice plate, thereby improving the cooling efficiency of the orifice plate.
[0021] 6. The present invention provides a refrigeration device suitable for a PCR instrument, wherein a plurality of rollers are provided at the bottom of the T-slot, and the T-block contacts the roller surface of the roller. Through the above arrangement, the operator controls the movement of the cylinder, and the baffle drives the T-block to slide in the T-slot, and the T-block slides on the roller, thereby reducing the friction force on the T-block and making the T-block slide more smoothly.
[0022] 7. The present invention provides a refrigeration device suitable for a PCR instrument, wherein the side wall of the installation port is provided with a sealing ring, and the orifice plate is pressed against the sealing ring. Through the above arrangement, the sealing ring can reduce the leakage of cold air inside the operating table and improve the refrigeration efficiency.
[0023] 8. The present invention provides a refrigeration device suitable for a PCR instrument, wherein an ice trough is provided inside the operating table, the ice trough is used to place ice cubes, and a through hole is provided on the wall of the operating table, and the ice trough can slide out of the through hole. Through the above arrangement, the operator adds ice cubes into the ice trough, which can cooperate with the air conditioner to cool the internal space of the operating table, improve the refrigeration efficiency, and thus improve the heat dissipation effect of the orifice plate.
[0024] 9. The present invention provides a refrigeration device suitable for a PCR instrument, wherein a slide bar is provided on the ice trough, a slide groove is provided on the operating table, and the slide bar and the slide groove are slidably matched. Through the above arrangement, the ice trough slides on the operating table more smoothly through the cooperation of the slide bar and the slide groove.
[0025] 10. The present invention provides a refrigeration device suitable for a PCR instrument, wherein a handle is connected to the wall of the ice trough. Through the above arrangement, an operator can conveniently pull the ice trough using the handle. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0027] Figure 1 This is a schematic diagram of the structure of a refrigeration device suitable for a PCR instrument according to an embodiment of the present application;
[0028] Figure 2 This is a schematic diagram of the structure of an ice tank of a refrigeration device suitable for a PCR instrument according to an embodiment of the present application.
[0029] Explanation of the reference numerals: 1. operating table; 2. mounting opening; 3. orifice plate; 4. indoor unit of air conditioner; 5. outdoor unit of air conditioner; 6. outer wall; 7. inner wall; 8. heat insulation cavity; 9. heat insulation seat; 10. connecting column; 11. mounting box; 12. air guide cover; 13. exhaust pipe; 14. slide rail; 15. T-slot; 16. T-block; 17. baffle; 18. cylinder; 19. roller; 20. sealing ring; 21. ice trough; 22. through opening; 23. slide bar; 24. slide groove; 25. handle. DETAILED DESCRIPTION
[0030] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0034] Example 1
[0035] Reference Figure 1-2 The present invention provides a refrigeration device suitable for a PCR instrument, comprising: an operating table 1, which is hollow inside, and is provided with a mounting port 2 on the operating table 1, and the mounting port 2 is used to install a perforated plate 3; an air-conditioning indoor unit 4, which is located inside the operating table 1, and an air-conditioning outdoor unit 5 is provided outside the operating table 1; the table wall of the operating table 1 is a sandwich structure, which is divided into an outer wall 6 and an inner wall 7, and a vacuum state is formed between the outer wall 6 and the inner wall 7, and a heat insulation cavity 8 is formed, and a supporting device is provided in the heat insulation cavity 8, and one end of the supporting device is connected to the inner side of the outer wall 6, and the other end is connected to the outer side of the inner wall 7; a heat exhaust device, which is located outside the outer wall 6 of the operating table 1, and the heat exhaust device is used to exhaust the hot air blown out by the air-conditioning outdoor unit 5 away from the operating table 1.
[0036] Through the above arrangement, when the operator uses the PCR instrument, he turns on the air-conditioning indoor unit 4 and the air-conditioning outdoor unit 5 to cool the internal space of the operating table 1. In addition, the heat-insulating cavity 8 can reduce the heat conduction from the outside to the internal space of the operating table 1, improve the cooling efficiency, and thus improve the heat dissipation effect on the orifice plate 3. In addition, the supporting device can support the outer wall 6 and the inner wall 7, and the heat dissipation device can discharge the heat away from the surrounding of the operating table 1, thereby further improving the heat dissipation effect on the orifice plate 3.
[0037] The support device includes a connecting column 10 and a pair of heat insulating seats 9, wherein the connecting column 10 is located between the heat insulating seats 9, and the heat insulating seats 9 are connected to the outer wall 6 and the inner wall 7. Through the above arrangement, the heat insulating seats 9 can reduce the heat conduction efficiency of the support device, thereby improving the cooling efficiency of the air conditioner indoor unit 4, and further improving the heat dissipation effect on the orifice plate 3.
[0038] The heat dissipation device comprises a mounting box 11, the air conditioner outdoor unit 5 is located in the mounting box 11, the mounting box 11 is connected with a deflector 12, the deflector 12 is conical, and the tip of the deflector 12 is connected with an exhaust pipe 13. Through the above arrangement, the hot air discharged from the air conditioner outdoor unit 5 is gathered into the exhaust pipe 13 through the deflector 12, so that the hot air can be discharged more efficiently, thereby improving the heat dissipation efficiency of the orifice plate 3.
[0039] The exhaust pipe 13 is detachably connected to the air guide cover 12. Through the above arrangement, the operator can replace the exhaust pipe 13 of different lengths according to actual needs, and the removal of the exhaust pipe 13 also facilitates the overall movement of the operating platform 1, which is more flexible and convenient.
[0040] The operating table 1 is provided with a slide rail 14 inside, a T-slot 15 is provided on the slide rail 14, a T-block 16 is provided inside the T-slot 15, the T-block 16 is slidably matched with the T-slot 15, a baffle 17 and a cylinder 18 are provided inside the operating table 1, the baffle 17 is used to blow cold air to the orifice plate 3, one end of the baffle 17 is hinged to the T-block 16, one end of the cylinder 18 is connected to the inner wall 7, and the other end is hinged to the baffle 17, and the cylinder 18 is used to adjust the inclination angle of the baffle 17. Through the above arrangement, under normal circumstances, the air conditioner indoor unit 4 cannot blow cold air directly to the orifice plate 3 on the top of the operating table 1, and the operator can adjust the inclination angle of the baffle 17 by controlling the cylinder 18, thereby controlling the flow of cold air directly blown to the orifice plate 3, thereby improving the cooling efficiency of the orifice plate 3.
[0041] A plurality of rollers 19 are provided at the bottom of the T-slot 15, and the T-block 16 contacts the roller surface of the rollers 19. Through the above arrangement, the operator controls the movement of the cylinder 18, and the baffle 17 drives the T-block 16 to slide in the T-slot 15, and the T-block 16 slides on the rollers 19, which reduces the friction force on the T-block 16 and makes the T-block 16 slide more smoothly.
[0042] The side wall of the installation opening 2 is provided with a sealing ring 20, and the orifice plate 3 is pressed against the sealing ring 20. Through the above arrangement, the sealing ring 20 can reduce the leakage of cold air inside the operating table 1 and improve the refrigeration efficiency.
[0043] The operating table 1 is provided with an ice groove 21 for placing ice cubes, and a through hole 22 is provided on the wall of the operating table 1, and the ice groove 21 can slide out of the through hole 22. Through the above arrangement, the operator adds ice cubes into the ice groove 21, and the air conditioner indoor unit 4 can be used to cool the internal space of the operating table 1, thereby improving the cooling efficiency and thus improving the heat dissipation effect of the orifice plate 3.
[0044] The ice trough 21 is provided with a slide bar 23, and the operating table 1 is provided with a slide groove 24, and the slide bar 23 is slidably matched with the slide groove 24. Through the above arrangement, the ice trough 21 slides on the operating table 1 more smoothly through the cooperation of the slide bar 23 and the slide groove 24.
[0045] A handle 25 is connected to the wall of the ice trough 21. Through the above arrangement, the operator can conveniently pull the ice trough 21 using the handle 25.
[0046] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.
Claims
1. A refrigeration device suitable for a PCR instrument, characterized in that: include: An operating table (1) is hollow inside, and a mounting opening (2) is provided on the operating table (1), and the mounting opening (2) is used to mount a perforated plate (3); An air conditioner indoor unit (4) is located inside the operating table (1), and an air conditioner outdoor unit (5) is provided outside the operating table (1); The wall of the operating table (1) is a sandwich structure, which is divided into an outer wall (6) and an inner wall (7); a vacuum state is present between the outer wall (6) and the inner wall (7), and a heat-insulating cavity (8) is formed; a supporting device is provided in the heat-insulating cavity (8); one end of the supporting device is connected to the inner side of the outer wall (6), and the other end is connected to the outer side of the inner wall (7); a heat dissipation device, which is located outside the outer wall (6) of the operating table (1), and is used to discharge hot air blown out by the air conditioner outdoor unit (5) away from the operating table (1); Wherein, the mounting hole is arranged at the top of the operating table; the air conditioner indoor unit is arranged at the side of the operating table; The operating table (1) is provided with a slide rail (14) inside, a T-shaped slot (15) on the slide rail (14), a T-shaped block (16) inside the T-shaped slot (15), the T-shaped block (16) and the T-shaped slot (15) are slidably matched, a baffle (17) and a cylinder (18) are provided inside the operating table (1), the baffle (17) is used to blow cold air to the orifice plate (3), one end of the baffle (17) is hinged to the T-shaped block (16), one end of the cylinder (18) is connected to the inner wall (7), and the other end is hinged to the baffle (17), and the cylinder (18) is used to adjust the inclination angle of the baffle (17); The supporting device comprises a connecting column (10) and a pair of heat-insulating seats (9), wherein the connecting column (10) is located between the heat-insulating seats (9), and the heat-insulating seats (9) are connected to the outer wall (6) and the inner wall (7); The heat dissipation device comprises a mounting box (11), the air conditioner outdoor unit (5) is located in the mounting box (11), a deflector (12) is connected to the mounting box (11), the deflector (12) is conical, and the tip of the deflector (12) is connected to an exhaust pipe (13); The exhaust pipe (13) is detachably connected to the air guide cover (12); A plurality of rollers (19) are provided at the bottom of the T-shaped groove (15), and the T-shaped block (16) is in contact with the roller surface of the rollers (19); An ice trough (21) is provided inside the operating table (1), and the ice trough (21) is used to place ice cubes. A through opening (22) is provided on the wall of the operating table (1), and the ice trough (21) can slide out of the through opening (22).
2. A refrigeration device suitable for a PCR instrument according to claim 1, characterized in that: A sealing ring (20) is provided on the side wall of the installation opening (2), and the orifice plate (3) is pressed tightly against the sealing ring (20).
3. A refrigeration device suitable for a PCR instrument according to claim 2, characterized in that: The ice trough (21) is provided with a slide bar (23), the operating table (1) is provided with a slide groove (24), and the slide bar (23) and the slide groove (24) are slidably matched.
4. A refrigeration device suitable for a PCR instrument according to claim 3, characterized in that: A handle (25) is connected to the wall of the ice trough (21).
