Ice lining freezer with heat pipe
By employing a three-layer ice lining and heat pipe design in the ice-lined freezer, the problems of short heat preservation time and unstable temperature in traditional ice-lined freezers are solved, achieving longer power-off heat preservation time and stable temperature control, thus ensuring the safety and efficacy of vaccines.
Patent Information
- Application Number
- CN202422918840.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Traditional ice-lined freezers have a short heat retention time, and during the power-on cooling phase, the temperature may exceed the standard or the ice water may not freeze completely, affecting the efficacy and safety of vaccines.
It adopts a three-layer ice liner structure, with heat pipes inside each ice liner. Combined with the insulation layer design, heat and cold are transferred step by step through the heat pipes to ensure temperature uniformity and stability.
This achieves uniform temperature within the ice liner, increases the insulation time during power outages, ensures that the temperature inside the box does not exceed the limit during the power-on cooling phase, and improves the insulation effect and safety of the vaccine.
Smart Images
Figure CN223564517U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to refrigeration equipment technical field, specifically, it relates to a kind of ice lining freezer with heat pipe. BACKGROUND
[0002] Ice lining freezer is a kind of equipment for storing and protecting vaccine, it uses ice or ice water mixture as cooling medium to maintain vaccine in suitable low temperature environment, and it is suitable for power unstable or periodic planned power supply area and country.
[0003] The current traditional ice lining freezer is usually made of insulating material, and is provided with ice tank or ice bag placement position inside, and partition or drawer for storing vaccine. But the traditional ice lining freezer product generally has shorter heat preservation time, and the temperature in the box exceeds the standard or the water in the ice lining is not completely frozen during power-on cooling stage, thereby affecting the efficacy and safety of vaccine. UTILITY MODEL CONTENT
[0004] To solve the problems in the prior art, the utility model provides an ice lining freezer with heat pipe, which can increase the power-off heat preservation time and ensure that the temperature in the box does not exceed the standard during power-on cooling stage.
[0005] The utility model adopts the following technical solutions.
[0006] An ice lining freezer with heat pipe, comprising a box body, an evaporator, an inner container, an ice lining layer, a heat preservation layer and an inner container, the inner container, the heat preservation layer, the ice lining layer, the inner container and the evaporator are connected in order from inside to outside and are arranged inside the box body.
[0007] The ice lining layer comprises a first ice lining layer, a second ice lining layer and a third ice lining layer, the first ice lining layer, the second ice lining layer and the third ice lining layer are connected in order from outside to inside, each ice lining layer is provided with a plurality of ice lining boxes, the inside of each ice lining box is provided with a heat pipe, and the two ends of the heat pipe are connected with the top and bottom of the ice lining box respectively.
[0008] Further, a plurality of through reinforcing ribs are uniformly arranged inside the ice lining box, and the reinforcing ribs are distributed on both sides of the heat pipe.
[0009] Further, the heat pipe is perpendicular to the bottom wall of the ice lining box, and the heat pipe is provided with refrigerant and nitrogen gas, the refrigerant is used for transferring heat, and the nitrogen gas is used for adjusting the pressure of the heat pipe to condense the refrigerant at a suitable temperature.
[0010] Further, the height of the ice lining box is the same as the height of the heat preservation layer and the inner container, and the thickness of each ice lining box is 16-22mm.
[0011] Further, the ice lining freezer with heat pipe further comprises a refrigeration system, and the refrigeration system is arranged below the inner container; the box body is of internal polyurethane foaming structure, and is heat-insulated in the box.
[0012] The ice lining ice cabinet with heat pipes has the advantages that compared with the prior art,
[0013] 1、The ice lining ice cabinet with heat pipes provided by the utility model realizes uniform temperature in the ice lining box through the up-down heat conduction of the heat pipe, and more ice lining boxes are frozen in the refrigeration stage, and the power-off heat preservation time is increased.
[0014] 2、The ice lining ice cabinet provided by the utility model has the heat preservation layer and the three-layer ice lining layer, so that the cold quantity is transferred gradually, and the temperature in the box is not overheated in the power-on cooling stage. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is a schematic view of the internal structure of the ice lining ice cabinet with heat pipes provided by the utility model;
[0016] Fig. 2 is a schematic view of the structure of the ice lining box in the ice lining ice cabinet with heat pipes provided by the utility model;
[0017] Fig. 3 is a schematic view of the internal structure of the ice lining box in the ice lining ice cabinet with heat pipes provided by the utility model.
[0018] In the drawing: 1-box body; 2-evaporator; 3-inner container; 41-first ice lining layer; 42-second ice lining layer; 43-third ice lining layer; 5-ice lining box; 6-stiffener; 7-heat pipe; 8-heat preservation layer; 9-inner container. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the utility model embodiments. The embodiments described in the application are only a part of the embodiments of the utility model, rather than all the embodiments. All other embodiments obtained by those skilled in the art without creative labor based on the spirit of the utility model belong to the protection scope of the utility model.
[0020] As Figs. 1-3 shown, an ice lining ice cabinet with heat pipes comprises a box body 1, an evaporator 2, an inner container 3, an ice lining layer, a heat pipe 7, a heat preservation layer 8, an inner container 9 and a refrigeration system, the inner container 9, the heat preservation layer 8, the ice lining layer, the inner container 3 and the evaporator 2 are sequentially arranged inside the box body 1 from inside to outside, and the refrigeration system is arranged at the bottom of the inner container 3. A gap is arranged between the side wall of the inner container 3 and the side wall of the inner container 9, and the ice lining layer and the heat preservation layer 8 are placed in the gap.
[0021] The box body 1 is an internal polyurethane foaming structure, and the top end of the inner container 3 is connected with the box body 1 through a cabinet opening.
[0022] The ice lining layer comprises a first ice lining layer 41, a second ice lining layer 42 and a third ice lining layer 43, and each layer of the ice lining layer is provided with a plurality of ice lining boxes 5. The inside of each ice lining box 5 is provided with a heat pipe 7, the heat pipe 7 is vertically arranged in the ice lining box 5, and the two ends of the heat pipe 7 are connected with the top and bottom of the ice lining box 5 respectively. The thickness of each ice lining box 5 is 16-22 mm, and a plurality of through-type reinforcing ribs 6 are uniformly distributed in the inside of each ice lining box 5, the reinforcing ribs 6 are arranged on both sides of the heat pipe 7, so as to reduce the deformation of the ice lining box 5 in the thickness direction. The inside of the heat pipe 7 comprises a refrigerant and nitrogen, the refrigerant is used for transferring heat, and the nitrogen is used for adjusting the pressure of the heat pipe 7, so that the refrigerant is condensed at a suitable temperature. Preferably, the refrigerant is R134a, and the thickness of each ice lining box 5 is 20 mm.
[0023] The evaporator 2 preferentially evaporates refrigerant at the front end, and the inside of each ice lining box 5 is filled with water, so that the load is relatively large, causing the refrigerant in the evaporator 2 to be evaporated at the front end of the evaporator 2, and the cold energy is concentrated on the upper part of the box body 1. At this time, the temperature of the upper part of the ice lining box 5 is relatively low, and the refrigerant in the heat pipe 7 is condensed into a liquid state at the upper part of the heat pipe 7. Due to the action of gravity, the liquid refrigerant flows into the lower part of the heat pipe 7, and the liquid refrigerant evaporates and absorbs heat at the lower part of the heat pipe 7, so as to absorb the temperature of the lower part of the ice lining box 5, and balance the temperature of the inside of the ice lining box 5.
[0024] The heat preservation layer 8 is made of heat preservation cotton, and the ice lining box 5 has an integrated upper and lower structure, that is, the height of the ice lining box 5 is the same as the height of the heat preservation layer 8 and the inner container 3, so as to reduce the internal thermal resistance of the upper and lower parts.
[0025] The bottom of the inner container 3 and the inner container 9 is provided with a drain hole, the drain hole is connected with a drain pipe, the top end of the drain hole is connected with a drain cover, and the drain cover is arranged on the bottom wall of the inner container 3. By turning the drain cover, the condensed water generated in the inside of the box body 1 can be discharged, so as to ensure the dry environment in the inside of the ice cabinet and prevent water accumulation in the inside of the ice cabinet.
[0026] The ice lining refrigerator with the heat pipe provided by the utility model can realize uniform temperature in the ice lining box through the heat pipe up and down heat conduction, can freeze more ice lining boxes in the refrigeration stage, and can increase the power-off heat preservation time.
[0027] The utility model discloses the beneficial effect lies in, compared with the prior art:
[0028] 1, the ice lining refrigerator provided by the utility model realizes uniform temperature in the ice lining box through the heat pipe up and down heat conduction, can freeze more ice lining boxes in the refrigeration stage, and can increase the power-off heat preservation time.
[0029] 2, the ice lining refrigerator provided by the utility model can make the cold gradually transfer through the setting heat preservation layer and three layers of ice lining layers, guarantee the temperature in the case not to overheat in the power-on cooling stage.
[0030] Finally, it should be pointed out that the above examples are used to illustrate the technical solutions of the utility model rather than limit them, and although the utility model has been described in detail with reference to the above examples, those skilled in the art should understand that the specific embodiments of the utility model can still be modified or replaced equivalently without departing from the spirit and scope of the utility model, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be covered in the protection scope of the claims of the utility model.
Claims
1. An ice-lining refrigerator with heat pipes, comprising a box body (1), an evaporator (2), an inner container (3), an ice lining layer, a thermal insulation layer (8) and an inner inner container (9), characterized in that: the inner inner container (9), the thermal insulation layer (8), the ice lining layer, the inner container (3) and the evaporator (2) are connected in order from inside to outside and are arranged inside the box body (1); the ice lining layer comprises a first ice lining layer (41), a second ice lining layer (42) and a third ice lining layer (43), the first ice lining layer (41), the second ice lining layer (42) and the third ice lining layer (43) are connected in order from outside to inside, each ice lining layer is provided with a plurality of ice lining boxes (5), the inside of each ice lining box (5) is provided with a heat pipe (7), and the two ends of the heat pipe (7) are connected with the top and bottom of the ice lining box (5) respectively.
2. The ice-lining refrigerator with heat pipes according to claim 1, characterized in that: the ice lining box (5) is uniformly provided with a plurality of through-type reinforcing ribs (6) inside, and the reinforcing ribs (6) are distributed on both sides of the heat pipe (7).
3. The ice-lining refrigerator with heat pipes according to claim 2, characterized in that: the heat pipe (7) is perpendicular to the bottom wall of the ice lining box (5), and the heat pipe (7) is provided with refrigerant and nitrogen gas, the refrigerant is used for heat transfer, and the nitrogen gas is used for adjusting the pressure of the heat pipe (7) to make the refrigerant condense at a suitable temperature.
4. The ice-lining refrigerator with heat pipes according to claim 1, characterized in that: the height of the ice lining box (5) is the same as the height of the thermal insulation layer (8) and the inner container (3), and the thickness of each ice lining box (5) is 16-22mm.
5. The ice-lining refrigerator with heat pipes according to claim 1, characterized in that: the ice-lining refrigerator with heat pipes further comprises a refrigeration system, which is arranged below the inner container (3); the box body (1) is of an internal polyurethane foaming structure for heat preservation in the box.