Cooling device
By using a combination technology of spraying hot and hot air and vaporized parts in biological sample freezing equipment, the problem of temperature unevenness in existing equipment is solved, and more accurate temperature control and sample activity preservation is achieved.
Patent Information
- Application Number
- CN202421645152.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-12
AI Technical Summary
Existing biological sample freezing equipment cannot achieve automated cooling, resulting in uneven temperatures and affecting the activity preservation of samples.
The first spray component and the second spray component are used to spray hot and hot air, and uniform temperature control in the cooling chamber is achieved by adjusting the spraying method of hot and hot air, and through the design of the first vaporization part and the second vaporization part, the temperature difference between liquid nitrogen and air is fully utilized to vaporize, achieving more accurate temperature control.
The temperature uniformity and accuracy in the cooling chamber are achieved, ensuring stable storage of samples in low temperature environments, and improving the activity and quality of samples.
Smart Images

Figure CN222837233U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sample storage, in particular to a cooling device. Background Art
[0002] At present, the cooling function of biological sample freezing tubes and freezing boxes has not been realized automatically. Biological samples usually need to be stored in an ultra-low temperature environment to maintain the activity of the biological samples. The storage temperature is generally -80℃, -140℃, -196℃, etc. The speed of freezing of biological samples plays an important role in the activity of biological samples. The conventional storage method is to directly place the sample box in the transfer box or transfer tank into the tank body, and perform a certain gradient slow cooling action.
[0003] The current cooling module controls the temperature by adding hot and cold air into the space by setting hot and cold air intake pipes at the bottom. However, air intake from the bottom will make the temperature in the space uneven, and the temperature at different heights will be different. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above problems or problems existing in the prior art, the present utility model is proposed.
[0006] Therefore, the purpose of the utility model is to provide a cooling device, which can spray hot and cold air through a first spray assembly and a second spray assembly to uniformly control the temperature in the cooling chamber, changing the previous method of spraying hot and cold air from the bottom, and through the first vaporization component, the liquid nitrogen and the air temperature can be fully contacted for vaporization, and the second vaporization component can be heated and completely vaporized through the first spray assembly.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a cooling device, which includes a cooling cabin, in which a first spray assembly and a second spray assembly are arranged; the first spray assembly can spray hot air into the cooling cabin, and the second spray assembly can spray cold air into the cooling cabin. The first spray assembly and the second spray assembly spray hot and cold air to adjust the temperature in the cooling cabin, and samples can be stored in the cooling cabin.
[0008] As a preferred solution of the cooling device of the utility model, wherein: a plurality of first spray assemblies are vertically arranged in the cooling chamber, and the second spray assemblies are spirally arranged around the first spray assemblies.
[0009] As a preferred solution of the cooling device of the utility model, wherein: the first spray assembly and the second spray assembly are both provided with a plurality of groups of spray ports, through which the temperature in the cooling cabin can be adjusted.
[0010] As a preferred solution of the cooling device of the utility model, wherein: a second spray component is inserted into one end of the first spray component, and the first spray component can heat and vaporize the liquid in the second spray component.
[0011] As a preferred solution of the cooling device of the utility model, the first spray assembly includes a heating filter element and a nozzle element; the heating filter element is connected to the bottom of the cooling chamber, the nozzle element is arranged inside the cooling chamber and is connected to the heating filter element, the heating filter element can filter and heat the gas, and the nozzle element can vertically and evenly spray the hot gas in the cooling chamber.
[0012] As a preferred solution of the cooling device of the utility model, the heating filter element includes an air suction dustproof pipe, a heating module, and a hot air pipe; a heating module is arranged between the air suction dustproof pipe and the hot air pipe, a fan is arranged in the air suction dustproof pipe, a dustproof net is arranged at the upper end of the fan, the air suction dustproof pipe can absorb and filter air, and the heating module can heat the air.
[0013] As a preferred solution of the cooling device of the utility model, a temperature probe is arranged under the heating module, and the temperature probe can detect the temperature.
[0014] As a preferred solution of the cooling device of the utility model, the nozzle member includes a first nozzle and a hot air pipe, multiple groups of first nozzles are vertically arranged and connected to the hot air pipe, and multiple groups of first spray ports are opened on the first nozzle, and the first spray ports can spray hot air.
[0015] As a preferred solution of the cooling device of the utility model, the second spray assembly includes a first vaporizing component, a second vaporizing component, a spiral tube and a hot air pipe; the second vaporizing component is arranged in the hot air pipe, the first vaporizing component is connected to the second vaporizing component through the hot air pipe, the upper end of the second vaporizing component is connected to the spiral tube, and the spiral tube is spirally wound on the first spray assembly.
[0016] As a preferred solution of the cooling device of the utility model, wherein: a plurality of groups of second spraying ports are provided on the spiral tube, and the second spraying ports can spray cold air in the cooling chamber.
[0017] As a preferred solution of the cooling device of the utility model, wherein: a support column is arranged in the cooling chamber, and a plate frame is arranged on the upper end of the support column; a limiting column is arranged on the side of the plate frame, the support column can support the plate frame, and the limiting column can limit the plate frame.
[0018] As a preferred solution of the cooling device of the utility model, a sample temperature detection component is also arranged on the plate rack, and the sample temperature detection component can detect the temperature of the sample in the plate rack.
[0019] As a preferred solution of the cooling device of the utility model, the cooling chamber is also provided with an exhaust port, which can exhaust the cold and hot air.
[0020] As a preferred solution of the cooling device of the utility model, a temperature sensor is arranged in the cooling chamber, and the temperature sensor can detect the internal temperature.
[0021] The beneficial effects of the utility model are as follows: the utility model controls the temperature in the cooling chamber uniformly by spraying hot and cold air through the first spray assembly and the second spray assembly, which changes the previous method of spraying hot and cold air from the bottom, and the first vaporizing component can fully make the liquid nitrogen contact with the air temperature for vaporization, and the first spray assembly can heat the liquid nitrogen that has not been vaporized in the second vaporizing component for complete vaporization, and the internal sample can be frozen by spraying hot and cold air. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0023] Figure 1 It is the overall schematic diagram of the cooling device.
[0024] Figure 2 This is the internal structure diagram of the cooling device.
[0025] Figure 3 for Figure 2 Enlarged view of F1 of the intermediate cooling device.
[0026] Figure 4 Another perspective view of the internal structure of the cooling device.
[0027] Figure 5 for Figure 4 Cross-sectional view of the middle cooling device at AA.
[0028] Figure 6 This is a bottom-up stereoscopic view of the internal structure of the cooling device.
[0029] Figure 7 This is a schematic diagram of the cooling chamber of the cooling device.
[0030] Figure 8 for Figure 7 Cross-sectional view of the middle cooling device at point BB.
[0031] Figure numerals: cooling chamber, 1; first spray assembly; 2; second spray assembly, 3; heating filter, 21; nozzle assembly, 22; suction dust-proof pipe, 211; heating module, 212; hot air pipe, 213; temperature probe, 214; first nozzle, 221; first spray port, 222; first vaporizing component, 31; second vaporizing component, 32; spiral tube, 34; second spray port, 33; support column, 11; plate frame, 13; limit column, 12; sample temperature detection component, 14; exhaust port, 15; temperature sensor, 16; DETAILED DESCRIPTION
[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0034] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. Example 1
[0035] Reference Figures 1 to 3 , which is the first embodiment of the utility model, and this embodiment provides a cooling device, which includes a cooling chamber 1, and a first spray assembly 2 and a second spray assembly 3 are arranged inside the cooling chamber 1. Hot air can be sprayed through the first spray assembly 2, and nitrogen can be sprayed through the second spray assembly 3. The temperature inside the cooling chamber 1 can be adjusted by the mutual contact between the hot and cold gases.
[0036] Specifically, it includes a cooling chamber 1, in which a first spray assembly 2 and a second spray assembly 3 are arranged; the first spray assembly 2 can spray hot air into the cooling chamber 1, and the second spray assembly 3 can spray cold air into the cooling chamber 1. The first spray assembly 2 and the second spray assembly 3 can adjust the temperature in the cooling chamber 1 by spraying hot and cold air, and the cooling chamber 1 can store samples.
[0037] In summary, the present invention can store samples in the cooling chamber 1, and can spray hot air and cold air through the first spray assembly 2 and the second spray assembly 3, so as to accurately control the temperature inside the cooling chamber 1. Example 2
[0038] Reference Figures 1 to 8 , which is the second embodiment of the utility model. In the previous embodiment, the cooling device includes a cooling chamber 1, and a first spray assembly 2 and a second spray assembly 3 are arranged inside the cooling chamber 1. Hot air can be sprayed through the first spray assembly 2, and nitrogen can be sprayed through the second spray assembly 3. The temperature inside the cooling chamber 1 can be adjusted by the mutual contact between the hot and cold gases.
[0039] Specifically, it includes a cooling chamber 1, in which a first spray assembly 2 and a second spray assembly 3 are arranged; the first spray assembly 2 can spray hot air into the cooling chamber 1, and the second spray assembly 3 can spray cold air into the cooling chamber 1. The first spray assembly 2 and the second spray assembly 3 can adjust the temperature in the cooling chamber 1 by spraying hot and cold air, and the cooling chamber 1 can store samples.
[0040] Furthermore, a plurality of first spray assemblies 2 are vertically arranged in the cooling chamber 1 , and the second spray assemblies 3 are spirally arranged around the first spray assemblies 2 .
[0041] Furthermore, the first spray assembly 2 and the second spray assembly 3 are both provided with a plurality of spray ports, through which the temperature in the cooling chamber 1 can be adjusted.
[0042] Furthermore, the second spray component 3 is inserted into one end of the first spray component 2 , and the first spray component 2 can heat and vaporize the liquid in the second spray component 3 .
[0043] Preferably, the liquid is liquid nitrogen, and the first spray assembly 2 can heat the liquid in the second spray assembly 3 and then vaporize it.
[0044] Furthermore, the first spray assembly 2 includes a heating filter element 21 and a nozzle element 22; the heating filter element 21 is connected to the bottom of the cooling chamber 1, and the nozzle element 22 is arranged inside the cooling chamber 1 and connected to the heating filter element 21. The heating filter element 21 can filter and heat the gas, and the nozzle element 22 can vertically and evenly spray the hot gas in the cooling chamber 1.
[0045] Furthermore, the heating filter element 21 includes an air suction and dustproof pipe 211, a heating module 212, and a hot air pipe 213; a heating module 212 is arranged between the air suction and dustproof pipe 211 and the hot air pipe 213, a fan is arranged in the air suction and dustproof pipe 211, and a dustproof net is arranged at the upper end of the fan. The air suction and dustproof pipe 211 can absorb and filter air, and the heating module 212 can heat the air.
[0046] Preferably, the outside air can be sucked in by the fan inside the suction dustproof pipe 211 , impurities can be filtered through the dustproof net, the sucked air can be heated by the heating module 212 , and transported to the nozzle member 22 through the hot air pipe 213 .
[0047] Furthermore, a temperature probe 214 is disposed below the heating module 212 , and the temperature probe 214 can detect the temperature.
[0048] Preferably, the temperature of the heated gas can be monitored by a temperature probe 214 .
[0049] Furthermore, the nozzle member 22 includes a first nozzle 221 and a hot air pipe 213. The first nozzle 221 is vertically arranged in multiple groups and is connected to the hot air pipe 213. The first nozzle 221 is provided with multiple groups of first spraying ports 222, and the first spraying ports 222 can spray hot air.
[0050] Preferably, the hot air pipe 213 is connected to a plurality of groups of first nozzles 221, which are vertically arranged in the cooling chamber 1 and can be arranged in three groups. Each group of first nozzles 221 is spaced 60 degrees apart from each other, which can ensure maximum coverage.
[0051] Furthermore, the second spray assembly 3 includes a first vaporizer 31, a second vaporizer 32, a spiral tube 34 and a hot air pipe 213; the second vaporizer 32 is arranged in the hot air pipe 213, the first vaporizer 31 is connected to the second vaporizer 32 through the hot air pipe 213, the upper end of the second vaporizer 32 is connected to the spiral tube 34, and the spiral tube 34 is spirally wound on the first spray assembly 2.
[0052] Preferably, the first vaporizing element 31 adopts a spiral liquid nitrogen coil, which prolongs the time for the liquid nitrogen to flow in the first vaporizing element 31, and fully ensures that the liquid nitrogen has enough time and air temperature to be conducted so that the liquid nitrogen can be converted into nitrogen gas.
[0053] Preferably, the second vaporizing element 32 is disposed in the hot air pipe 213, and the heated air can completely vaporize the unvaporized liquid nitrogen in the second vaporizing element 32. The vaporized nitrogen enters the spiral tube 34 to be sprayed out and combined with the cold air, thereby adjusting the temperature.
[0054] Furthermore, a plurality of second spray ports 33 are provided on the spiral tube 34 , and the second spray ports 33 can spray cold air into the cooling chamber 1 .
[0055] Furthermore, a support column 11 is provided in the cooling chamber 1, and a plate frame 13 is provided on the upper end of the support column 11; a limiting column 12 is provided on the side of the plate frame 13, the support column 11 can support the plate frame 13, and the limiting column 12 can limit the plate frame 13.
[0056] Preferably, the plate rack 13 can store sample boxes, and the cooling chamber 1 can cool and freeze the sample boxes.
[0057] Preferably, the plate rack 13 is disposed inside the first spray assembly 2 and the second spray assembly 3 to ensure that the sample is quickly frozen.
[0058] Furthermore, a sample temperature detection component 14 is also provided on the plate rack 13 , and the sample temperature detection component 14 can detect the temperature of the sample in the plate rack 13 .
[0059] Furthermore, the cooling chamber 1 is also provided with an exhaust port 15, and the exhaust port 15 can exhaust the cold and hot air.
[0060] Furthermore, a temperature sensor 16 is provided in the cooling chamber 1, and the temperature sensor 16 can detect the internal temperature.
[0061] In summary, the utility model controls the temperature in the cooling chamber 1 uniformly by spraying hot and cold air through the first spray component 2 and the second spray component 3, which changes the previous method of spraying hot and cold air from the bottom, and the first vaporizer 31 can fully bring the liquid nitrogen into contact with the air temperature for vaporization, and the first spray component 2 can heat the unvaporized liquid nitrogen in the second vaporizer 32 for complete vaporization, and the internal sample can be frozen by spraying hot and cold air.
[0062] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.
[0063] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention).
[0064] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, without undue experimentation, the development effort will be a routine task of design, fabrication, and production.
[0065] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A cooling device, characterized in that: The cooling chamber (1) comprises a first spray assembly (2) and a second spray assembly (3) arranged in the cooling chamber (1); the first spray assembly (2) can spray hot air into the cooling chamber (1), and the second spray assembly (3) can spray cold air into the cooling chamber (1); the first spray assembly (2) and the second spray assembly (3) spray hot and cold air to adjust the temperature in the cooling chamber (1); and the cooling chamber (1) can store samples; A plurality of the first spray assemblies (2) are vertically arranged in the cooling chamber (1), and the second spray assemblies (3) are arranged in a spiral shape around the first spray assemblies (2).
2. The cooling device according to claim 1, characterized in that: The first spray assembly (2) and the second spray assembly (3) are both provided with a plurality of groups of spray outlets, through which the temperature in the cooling chamber (1) can be adjusted.
3. The cooling device according to claim 2, characterized in that: A second spray component (3) is inserted into one end of the first spray component (2), and the first spray component (2) can heat and vaporize liquid in the second spray component (3).
4. The cooling device according to any one of claims 1 to 3, characterized in that: The first spray assembly (2) comprises a heating filter element (21) and a nozzle element (22); the heating filter element (21) is connected to the bottom of the cooling chamber (1), the nozzle element (22) is arranged inside the cooling chamber (1) and is connected to the heating filter element (21); the heating filter element (21) can filter and heat the gas, and the nozzle element (22) can vertically and uniformly spray the hot gas inside the cooling chamber (1).
5. The cooling device according to claim 4, characterized in that: The heating filter element (21) comprises an air suction dustproof pipe (211), a heating module (212), and a hot air pipe (213); the heating module (212) is arranged between the air suction dustproof pipe (211) and the hot air pipe (213); a fan is arranged in the air suction dustproof pipe (211); a dustproof net is arranged at the upper end of the fan; the air suction dustproof pipe (211) can suck in and filter air; and the heating module (212) can heat the air.
6. The cooling device according to claim 5, characterized in that: A temperature probe (214) is provided below the heating module (212), and the temperature probe (214) can detect the temperature.
7. The cooling device according to claim 4, characterized in that: The nozzle member (22) comprises a first nozzle (221) and a hot air pipe (213); a plurality of first nozzles (221) are vertically arranged and communicate with the hot air pipe (213); a plurality of first spray ports (222) are provided on the first nozzle (221); and the first spray ports (222) can spray hot air.
8. The cooling device according to any one of claims 1 to 3, characterized in that: The second spray assembly (3) comprises a first vaporizing element (31), a second vaporizing element (32), a spiral tube (34) and a hot air pipe (213); the second vaporizing element (32) is arranged in the hot air pipe (213); the first vaporizing element (31) passes through the hot air pipe (213) to communicate with the second vaporizing element (32); the upper end of the second vaporizing element (32) is communicated with the spiral tube (34); and the spiral tube (34) is spirally wound on the first spray assembly (2).
9. The cooling device according to claim 8, characterized in that: The spiral tube (34) is provided with a plurality of groups of second spray ports (33), and the second spray ports (33) can spray cold air into the cooling chamber (1).
10. The cooling device according to claim 1, characterized in that: A support column (11) is provided in the cooling chamber (1), and a plate frame (13) is provided at the upper end of the support column (11); a limiting column (12) is provided on the side of the plate frame (13); the support column (11) can support the plate frame (13), and the limiting column (12) can limit the plate frame (13).
11. The cooling device according to claim 10, characterized in that: The plate rack (13) is also provided with a sample temperature detection component (14), and the sample temperature detection component (14) can detect the temperature of the sample in the plate rack (13).
12. The cooling device according to claim 1, characterized in that: The cooling chamber (1) is also provided with an exhaust port (15), and the exhaust port (15) can exhaust cold and hot air.
13. The cooling device according to claim 1, characterized in that: A temperature sensor (16) is provided in the cooling chamber (1), and the temperature sensor (16) can detect the internal temperature.