Medical refrigerating box
By optimizing the air duct design and laminate setting, the problem of local wind resistance and vortex turbulence in medical refrigeration boxes is solved, and a more uniform temperature distribution is achieved, avoiding waste of cold volume.
Patent Information
- Application Number
- CN202421196221.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Existing medical refrigeration boxes are prone to vortex and turbulence in local locations, resulting in poor flow, large local wind resistance, and waste of cooling, affecting the temperature uniformity in the box.
A medical refrigeration box structure including air duct baffle, air inlet plate, air outlet plate, guide plate and air guide strip is designed. By optimizing the air duct design and laminate setting, local air resistance is reduced and the flow passage of cold air is improved. Avoid waste of cold volume and improve temperature uniformity.
It effectively reduces local wind resistance, reduces eddy current turbulence, avoids waste of cooling energy, and improves the uniformity of temperature inside the box.
Smart Images
Figure CN222364269U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of refrigerators, and in particular relates to a medical refrigerator. Background Art
[0002] Medical refrigerators are professional refrigerators used to store medical supplies such as medicines, vaccines, important biological and chemical reagents that have strict requirements on storage temperature. Due to the special nature of their use, the requirements for temperature uniformity inside medical refrigerators are relatively strict.
[0003] Most existing medical refrigerators use a refrigeration system to adjust their internal temperature. Usually, an air duct is set inside the box, and it is equipped with an evaporator and a fan. Under the action of the fan, the air in the box first flows into the air duct space where the evaporator is located through the air inlet, and then the evaporator cools the air flowing through the evaporator. The cooled air then flows out from the air outlet of the air duct and flows to the rest of the space in the box, thereby reducing the temperature inside the box. However, the air duct structure in the current medical refrigerator is often prone to eddy currents and turbulence in many local locations, resulting in poor flow, large local wind resistance, and waste of cold energy, which leads to poor temperature uniformity in the box and affects the refrigeration effect of medical supplies in the medical refrigerator. Utility Model Content
[0004] In view of the deficiencies existing in the related art, the utility model provides a medical refrigerator, aiming to solve the problems mentioned in the above background technology.
[0005] The utility model provides a medical refrigerator, comprising:
[0006] A box body having a refrigeration chamber with a front opening therein;
[0007] The wind duct baffle and the air inlet plate are arranged up and down, and are connected to the rear cavity wall of the refrigerating cavity. A wind duct is formed between the wind duct baffle, the air inlet plate and the rear cavity wall, and an evaporator is arranged in the wind duct; an air inlet is arranged on the air inlet plate to connect the wind duct with the refrigerating cavity; the wind duct baffle includes a vertically arranged back plate, an upper baffle plate and a lower baffle plate connected to the upper and lower ends of the back plate and extending toward the refrigerating cavity;
[0008] An air outlet plate is connected between the upper baffle plate and the lower baffle plate, and a diffusion cavity is formed between the air outlet plate, the air duct baffle plate and the left and right side walls of the refrigerating cavity, and a fan is arranged in the diffusion cavity; an air inlet is provided on the back plate to connect the diffusion cavity with the air duct; a first air outlet is provided on the upper part of the air outlet plate, a second air outlet is provided on the lower part, and a third air outlet is provided on the lower baffle plate; the left and right sides of the air outlet plate are not in contact with the left and right side walls of the refrigerating cavity, so that fourth air outlets are respectively formed between the air outlet plate and the left and right side walls of the refrigerating cavity, and the diffusion cavity is connected with the refrigerating cavity through the first air outlet, the second air outlet, the third air outlet and the fourth air outlet;
[0009] Two guide plates, which are respectively arranged on the left and right sides of the air outlet plate, one end of each guide plate is connected to the air outlet plate, and the other end extends toward the refrigeration chamber;
[0010] Two air guide strips are respectively arranged on the left and right sides of the back plate, one end of each air guide strip is connected to the back plate, and the other end is inclined and extends toward the direction of the fourth air outlet.
[0011] In some of the embodiments, the medical refrigerator further comprises a plurality of layer plates spaced apart in the refrigeration chamber, the left and right sides of each layer plate are not in contact with the left and right side walls of the refrigeration chamber, and the rear side of each layer plate is not in contact with the air outlet plate or the air inlet plate.
[0012] In some of the embodiments, two parallel brackets are protruding from the left and right side walls of the refrigeration chamber. The brackets extend vertically and have multiple slots arranged at intervals. Each layer of the board is detachably connected to the four brackets by four buckles.
[0013] In some of the embodiments, each layer plate is provided with a limit groove on the left and right sides respectively, and the groove width of the limit groove is adapted to the width of the buckle; when the layer plate is connected to the bracket, the limit groove is sleeved on the buckle to limit the layer plate in the front and rear directions.
[0014] In some of the embodiments, a limiting frame is protrudingly provided on the top surface of the rear side of each layer of the plate, and the limiting frame does not fit the air outlet plate or the air inlet plate.
[0015] In some of the embodiments, the upper baffle extends upwardly in an inclined state toward the refrigerating chamber.
[0016] In some of the embodiments, the lower baffle extends downwardly toward the refrigerating chamber.
[0017] In some of the embodiments, the medical refrigerator further includes a door-shaped air duct frame, the front end face of the air duct frame is connected to the back plate and the air inlet plate, and the rear end face of the air duct frame is connected to the rear cavity wall, so as to form an air duct between the back plate, the air inlet plate and the rear cavity wall.
[0018] Based on the above technical solution, the medical refrigerator in the embodiment of the utility model can reduce local wind resistance, reduce local eddy turbulence, avoid waste of cold energy, and improve the temperature uniformity in the refrigerator. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0020] Figure 1 This is a front view of the medical refrigerator of the present invention (the door is not shown);
[0021] Figure 2 This is a front view of the air duct assembly in the medical refrigerator of the utility model;
[0022] Figure 3 It is a longitudinal section view of the medical refrigerator of the utility model;
[0023] Figure 4 for Figure 3 A in the enlarged view;
[0024] Figure 5 This is a structural exploded diagram of the air duct assembly in the medical refrigerator of the utility model;
[0025] Figure 6 It is a cross-sectional view of the medical refrigerator of the utility model at the fan;
[0026] Figure 7 for Figure 6 The enlarged view of point B in the figure;
[0027] Figure 8 This is a schematic diagram of the structure of the middle plate of the medical refrigerator of the utility model;
[0028] Fig. 9 The utility model is a schematic diagram of the structure of the connection between the middle plate and the bracket of the medical refrigerator.
[0029] In the figure: 10, cabinet body; 11, cabinet door; 101, refrigeration chamber; 102, air duct; 103, diffusion chamber; 20, air duct baffle; 21, upper baffle; 22, lower baffle; 23, wind guide strip; 24, back plate; 201, air inlet; 202, third air outlet; 30, air inlet plate; 301, air inlet; 40, air outlet plate; 41, guide plate; 401, first air outlet; 402, second air outlet; 403, fourth air outlet; 50, air duct frame; 60, evaporator; 70, fan; 80, shelf; 801, limit slot; 802, limit frame; 81, bracket; 811, slot; 82, buckle. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "top", "bottom", "inside", "outside", "left", "right", "front", "back", "vertical", "horizontal", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, that is, the orientation is expressed when the user faces the medical refrigerator, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply 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 a limitation on the present invention.
[0032] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.
[0033] 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 direct connection, or an indirect connection 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.
[0034] refer to Figure 1-Figure 7 As shown, the utility model provides a medical refrigerator, which includes a box body 10, a door 11, and an air duct assembly located inside the box body 10. The box body 10 has a refrigeration chamber 101 with a front opening, and the door 11 is connected to the front opening to open or close the refrigeration chamber 101; the air duct assembly includes an air outlet plate 40, an air duct baffle 20, an air inlet plate 30, two guide plates 41 and two air guide strips 23, which are made of sheet metal parts.
[0035] The air duct baffle 20 and the air inlet plate 30 are connected up and down, and both are connected to the rear wall of the refrigerating chamber 101; the air duct baffle 20, the air inlet plate 30 and the rear wall of the refrigerating chamber 101 form an air duct 102; an evaporator 60 is arranged in the air duct 102. The air inlet plate 30 is provided with an air inlet 301, and the air duct 102 is connected to the refrigerating chamber 101 through the air inlet 301. The air duct baffle 20 includes a back plate 24 arranged vertically, an upper baffle 21 and a lower baffle 22 respectively connected to the upper and lower ends of the back plate 24 and both extending toward the refrigerating chamber 101.
[0036] The air outlet plate 40 is connected between the upper baffle plate 21 and the lower baffle plate 22. A diffusion chamber 103 is formed between the air outlet plate 40, the air duct baffle plate 20 and the left and right side walls of the refrigeration chamber 101. A fan 70 is installed in the diffusion chamber 103. An air inlet 201 is provided on the back plate 24, and the diffusion chamber 103 is connected to the air duct 102 through the air inlet 201. A first air outlet 401 is provided on the upper part of the air outlet plate 40, a second air outlet 402 is provided on the lower part of the air outlet plate 40, and a third air outlet 202 is provided on the lower baffle plate 22 of the air duct baffle plate 20. The left and right sides of the air outlet plate 40 are not in contact with the left and right side walls of the refrigeration chamber 101, so that fourth air outlets 403 are formed between the air outlet plate 40 and the left and right side walls of the refrigeration chamber 101, respectively. The diffusion chamber 103 is connected to the refrigeration chamber 101 through the first air outlet 401 , the second air outlet 402 , the third air outlet 202 and the fourth air outlet 403 .
[0037] The air cooling circulation mode of this embodiment is that the high-temperature air in the refrigeration chamber 101 is sucked into the air duct 102 through the air inlet 301 on the air inlet plate 30 under the action of the fan 70, flows through the evaporator 60 for heat exchange and cooling, and the cooled air flow enters the diffusion chamber 103 through the air inlet 201, and then enters the refrigeration chamber 101 through the first air outlet 401 on the upper part of the air outlet plate 40, the second air outlet 402 on the lower part of the air outlet plate 40, the third air outlet 202 on the lower baffle plate 22, and the fourth air outlet 403 on the left and right sides of the air outlet plate 40.
[0038] The two guide plates 41 are respectively arranged on the left and right sides of the air outlet plate 40, one end of each guide plate 41 is connected to the air outlet plate 40, and the other end extends toward the direction of the refrigeration chamber 101, that is, a gap is left between the guide plate 41 and the side wall of the refrigeration chamber 101, and the gap is connected to the fourth air outlet 403; specifically, the guide plate 41 can be arranged parallel to the side wall of the refrigeration chamber 101, and the guide plate 41 and the air outlet plate 40 are arranged in an L shape; through the setting of the guide plate 41, the airflow flowing out of the diffusion chamber 103 through the fourth air outlet 403 is guided to blow farther into the refrigeration chamber 101, thereby improving the temperature uniformity in the box.
[0039] Two air guide strips 23 are respectively arranged on the left and right sides of the back plate 24, that is, on the left and right sides of the air duct baffle 20; the air guide strips 23 extend vertically, and the vertical length of the air guide strips 23 is equivalent to the height of the back plate 24. One end of each air guide strip 23 is connected to the back plate 24, and the other end extends obliquely toward the direction of the fourth air outlet 403 on the side where it is located; it can be understood that the connection end of the air guide strip 23 and the back plate 24 is arranged to fit the plate surface of the back plate 24; through the arrangement of the air guide strips 23, the airflow flowing from the diffusion chamber 103 to the fourth air outlet 403 is guided, the wind resistance at the transition between the air duct baffle 20 and the left and right side walls of the refrigeration chamber 101 is reduced, so that part of the cold energy in the diffusion chamber 103 can flow quickly and smoothly from the fourth air outlet 403 into the refrigeration chamber 101, reducing the local eddy turbulence phenomenon and avoiding the waste caused by the local accumulation of cold energy.
[0040] The above-mentioned schematic embodiment, through the arrangement of two guide plates 41 on the left and right sides of the air outlet plate 40 and two air guide strips 23 on the left and right sides of the air duct baffle 20, can reduce local wind resistance, reduce local eddy turbulence, avoid waste of cooling, and improve the temperature uniformity in the box.
[0041] refer to Figure 1-Figure 9 As shown, in some embodiments, the medical refrigerator further includes a plurality of layers 80 arranged vertically at intervals in the refrigeration chamber 101. The left and right sides of each layer 80 are not in contact with the left and right side walls of the refrigeration chamber 101, that is, there is a gap between the left and right sides of the layer 80 and the left and right side walls of the refrigeration chamber 101, thereby mainly providing a smooth and fast flow channel for the cold air flowing out of the fourth air outlet 403, reducing local wind resistance, and improving the temperature uniformity in the box. The rear side of each layer 80 is also not in contact with the air outlet plate 40 or the air inlet plate 30, that is, there is a gap between the rear side of the layer 80 and the air duct assembly, thereby facilitating the cold air flowing out of each air outlet, especially the third air outlet 202, to flow smoothly in the refrigeration chamber 101, thereby improving the temperature uniformity in the box.
[0042] refer to Figure 1 , Figure 8 , Fig. 9 As shown, in some embodiments, two parallel brackets 81 are convexly provided on the left and right side walls of the refrigeration chamber 101; the brackets 81 extend vertically, and it is understandable that the brackets 81 do not fit the door 11 or the air duct assembly. A plurality of slots 811 are arranged on the bracket 81 at intervals along its height direction, and each layer 80 is detachably connected to the four brackets 81 by four buckles 82. The snap-fitting structure between the slots 811 and the buckles 82 is relatively diverse and is not specifically limited here. This illustrative embodiment realizes the movable snap-fitting of the layer 80 on the bracket 81, and the height position of the layer 80 can be adjusted up and down as needed.
[0043] refer to Figure 8 , Fig. 9As shown, in some embodiments, a limiting groove 801 is respectively provided on the left and right sides of each layer plate 80, and the groove width of the limiting groove 801 is adapted to the width of the buckle 82. When the layer plate 80 is connected to the bracket 81, the limiting groove 801 is sleeved on the buckle 82 to limit the layer plate 80 in the front and rear directions, thereby avoiding the possibility that the rear side of the layer plate 80 is attached to the air outlet plate 40 or the air inlet plate 30, resulting in poor cold air flow in the refrigeration chamber 101 and affecting the temperature uniformity in the box.
[0044] refer to Figure 8 , Fig. 9 As shown, in some embodiments, a limiting frame 802 is convexly provided on the top surface of the rear side of each layer plate 80, and the limiting frame 802 does not fit with the air outlet plate 40 or the air inlet plate 30. This exemplary embodiment limits the rear position of the medical supplies placed on the layer plate 80 through the setting of the limiting frame 802, so as to prevent the medical supplies from directly contacting the air outlet plate 40 or the air inlet plate 30, thereby preventing the cold air in the refrigeration chamber 101 from flowing unsmoothly and affecting the temperature uniformity in the box, and also preventing the medical supplies from falling from the rear side of the layer plate 80.
[0045] refer to Figure 3-Figure 5 As shown, in some embodiments, the upper baffle 21 extends upward toward the refrigerated chamber 101 to guide the airflow in the diffusion chamber 103 toward the first air outlet 401, thereby reducing the wind resistance at the corner between the upper baffle 21 and the back plate 24, so that part of the cold energy in the diffusion chamber 103 can flow quickly and smoothly from the first air outlet 401 into the refrigerated chamber 101, thereby reducing local eddy turbulence and avoiding waste due to local accumulation of cold energy.
[0046] refer to Figure 3-Figure 5 As shown, in some embodiments, the lower baffle plate 22 extends downwardly toward the refrigerated chamber 101 to guide the airflow in the diffusion chamber 103 toward the second air outlet 402 and the third air outlet 202, thereby reducing the wind resistance at the corner of the lower baffle plate 22 and the back plate 24, so that part of the cold energy in the diffusion chamber 103 can flow quickly and smoothly from the second air outlet 402 and the third air outlet 202 into the refrigerated chamber 101, reducing local eddy turbulence and avoiding waste caused by local accumulation of cold energy.
[0047] refer to Figure 5 , Figure 6 As shown, in some embodiments, the medical refrigerator also includes a door-shaped air duct frame 50, including a top frame and two side frames; the entire front end surface of the air duct frame 50 is fitted and connected to the back plate 24 and the air inlet plate 30, the entire rear end surface of the air duct baffle 20 is fitted and connected to the rear cavity wall, and the top frame is connected to the back plate 24 and is located above the air inlet 201; thus, through the setting of the air duct frame 50, an air duct 102 is formed between the back plate 24, the air inlet plate 30 and the rear cavity wall.
[0048] In summary, the medical refrigerator of the utility model can reduce local wind resistance, reduce local eddy turbulence, avoid waste of cold energy, and improve temperature uniformity in the refrigerator.
[0049] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.
[0050] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for which protection is requested in the utility model.
Claims
1. A medical refrigerator, characterized in that: include: A box body having a refrigeration chamber with a front opening therein; The wind duct baffle and the air inlet plate are arranged up and down, and are both connected to the rear cavity wall of the refrigerating cavity. The wind duct baffle, the air inlet plate and the rear cavity wall form a wind duct, and an evaporator is arranged in the wind duct; the air inlet plate is provided with an air inlet so that the wind duct is connected with the refrigerating cavity; the wind duct baffle includes a back plate arranged vertically, and an upper baffle and a lower baffle connected to the upper and lower ends of the back plate and extending toward the refrigerating cavity; An air outlet plate connected between the upper baffle plate and the lower baffle plate, a diffusion chamber is formed between the air outlet plate, the air duct baffle plate and the left and right side walls of the refrigeration chamber, and a fan is arranged in the diffusion chamber; an air inlet is provided on the back plate to connect the diffusion chamber with the air duct; a first air outlet is provided on the upper part of the air outlet plate, a second air outlet is provided on the lower part, and a third air outlet is provided on the lower baffle plate; the left and right sides of the air outlet plate are not in contact with the left and right side walls of the refrigeration chamber, so that fourth air outlets are respectively formed between the air outlet plate and the left and right side walls of the refrigeration chamber, and the diffusion chamber is connected with the refrigeration chamber via the first air outlet, the second air outlet, the third air outlet and the fourth air outlet; Two guide plates, which are respectively arranged on the left and right sides of the air outlet plate, one end of each guide plate is connected to the air outlet plate, and the other end extends toward the refrigeration chamber; Two air guide strips are respectively arranged on the left and right sides of the back plate, one end of each of the air guide strips is connected to the back plate, and the other end is inclined and extends toward the direction of the fourth air outlet.
2. The medical refrigerator according to claim 1, characterized in that: The medical refrigerator also includes a plurality of layer plates spaced apart in the refrigeration cavity, the left and right sides of each layer plate are not in contact with the left and right side walls of the refrigeration cavity, and the rear side of each layer plate is not in contact with the air outlet plate or the air inlet plate.
3. The medical refrigerator according to claim 2, characterized in that: Two parallel brackets are protruding from the left and right side walls of the refrigeration chamber. The brackets extend vertically and have a plurality of slots arranged at intervals. Each of the layer plates is detachably connected to the four brackets through four buckles.
4. The medical refrigerator according to claim 3, characterized in that: A limiting groove is respectively provided on the left and right sides of each layer plate, and the groove width of the limiting groove is adapted to the buckle width; when the layer plate is connected to the bracket, the limiting groove is sleeved on the buckle to limit the layer plate in the front and rear directions.
5. The medical refrigerator according to claim 4, characterized in that: A limiting frame is convexly provided on the rear top surface of each layer plate, and the limiting frame is not in contact with the air outlet plate or the air inlet plate.
6. The medical refrigerator according to claim 1, characterized in that: The upper baffle extends upwardly in an inclined state toward the refrigerating chamber.
7. The medical refrigerator according to claim 1, characterized in that: The lower baffle is in a state of extending downwardly in an inclined manner toward the refrigerating chamber.
8. The medical refrigerator according to claim 1, characterized in that: The medical refrigerator also includes a door-shaped air duct frame, the front end surface of the air duct frame is connected to the back plate and the air inlet plate, and the rear end surface of the air duct frame is connected to the rear cavity wall, so that an air duct is formed between the back plate, the air inlet plate and the rear cavity wall.