Double-inlet and double-outlet ice lining freezer

By using a dual-inlet, dual-outlet ice liner freezer design, and combining upper and lower evaporators and a distributor, the problem of uneven freezing of the ice liner is solved, temperature uniformity and power outage insulation time are improved, and the compressor is protected.

CN223564518UActive Publication Date: 2025-11-18QINGDAO AUCMA ULTRA LOW TEMPERATURE FREEZING MACHINES
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Patent Information

Application Number
CN202422919070.9
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

Technical Problem

Existing ice-lined freezers suffer from uneven freezing of the ice liner boxes, with the top being colder than the bottom, making it impossible to guarantee the insulation time during power outages.

Method used

The freezer adopts a double-inlet, double-outlet ice-lined design, with refrigerant flowing in and out from two directions through the upper and lower evaporators. Combined with a distributor, the liquid refrigerant is evenly distributed into the upper and lower evaporators, and a liquid storage tank is added at the compressor inlet to store the liquid refrigerant that has not been completely evaporated.

Benefits of technology

This improves the temperature uniformity of the ice liner, increases the insulation time during power outages, avoids uneven refrigerant flow and liquid slugging, and protects the compressor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of freezers and relates to a double-inlet and double-outlet ice lining freezer which comprises a freezer body and a refrigerating system, and the refrigerating system comprises a compressor, a condenser, a drying filter, a capillary tube, a liquid separator, an upper evaporator, a lower evaporator and a liquid storage tank. An exhaust port of the compressor is connected with one end of the condenser, the other end of the condenser is connected with one end of the drying filter, the other end of the drying filter is connected with one end of the capillary tube, and the other end of the capillary tube is connected with one end of the liquid separator. The other ends of the upper evaporator and the lower evaporator are connected with one end of the liquid storage tank; the other end of the liquid storage tank is connected with an air inlet of the compressor; the cabinet body comprises a box shell and an inner container, the refrigerating system is arranged in the box shell, and the upper evaporator and the lower evaporator are arranged on the outer wall of the inner container. The utility model provides a double-in and double-out ice lining freezer which can improve the temperature uniformity in an ice lining box and further prolong the power-off heat preservation time.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ice cabinet, specifically relates to a double-in double-out ice lining ice cabinet. BACKGROUND

[0002] With the continuous investment of the World Health Organization in global medical and health services, the improvement of medical and health cold chain equipment is also constantly advancing, and the requirements for power-off insulation time and temperature uniformity under power-on state are constantly increasing.

[0003] The current ice lining ice cabinet product generally has the problems of uneven freezing of the ice lining box and the phenomenon of upper cold and lower hot. During the cooling stage, the upper part of the ice lining box is frozen, and the lower part is still in the state of water. Under the condition of ensuring that the temperature in the box does not exceed, only a small number of ice lining boxes are frozen, so that the power-off insulation time cannot be guaranteed. UTILITY MODEL CONTENTS

[0004] To solve the problems in the prior art, the utility model provides a double-in double-out ice lining ice cabinet, which can improve the temperature uniformity in the ice lining box and further increase the power-off insulation time.

[0005] The utility model adopts the following technical scheme.

[0006] A double-in double-out ice lining ice cabinet, comprising a cabinet body and a refrigeration system, wherein the refrigeration system comprises a compressor, a condenser, a drying filter, a capillary tube, a liquid distributor, an upper evaporator, a lower evaporator, and a liquid storage tank.

[0007] The exhaust port of the compressor is connected with one end of the condenser, the other end of the condenser is connected with one end of the drying filter, the other end of the drying filter is connected with one end of the capillary tube, the other end of the capillary tube is connected with one end of the liquid distributor, the other end of the liquid distributor is connected with one end of the upper evaporator and the lower evaporator, the other end of the upper evaporator and the lower evaporator is connected with one end of the liquid storage tank, and the other end of the liquid storage tank is connected with the air inlet of the compressor.

[0008] The cabinet body comprises a cabinet shell and an inner container, and the refrigeration system is arranged in the cabinet shell, and the upper evaporator and the lower evaporator are arranged on the outer wall of the inner container.

[0009] Further, the cabinet body further comprises an ice lining layer, thermal insulation cotton, and an inner container, and the cabinet shell, the inner container, the ice lining layer, the thermal insulation cotton, and the inner container are sequentially arranged from the outside to the inside.

[0010] Further, the ice lining layer comprises a first ice lining layer, a second ice lining layer, and a third ice lining layer, and the first ice lining layer, the second ice lining layer, and the third ice lining layer are sequentially arranged from the outside to the inside, and each ice lining layer is provided with a plurality of ice lining boxes.

[0011] Further, the height of the inner container, the ice lining layer, the thermal insulation cotton, and the inner container is the same.

[0012] Further, the top of the liquid storage tank is provided with a pipeline, and the liquid storage tank is connected with the compressor through the pipeline; the liquid refrigerant which is not completely evaporated enters the bottom of the liquid storage tank, and the gaseous refrigerant returns to the compressor through the top pipeline.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1、The utility model discloses a double-in double-out ice lining ice cabinet, and the refrigerant flows into and flows out from two directions through the upper evaporator and the lower evaporator, so that the cold quantity is transmitted from the upper side and the lower side of the liner, the temperature of each ice lining box is uniform, more ice lining boxes are frozen in the refrigeration stage, and the power-off heat preservation time is increased.

[0015] 2、The utility model discloses a double-in double-out ice lining ice cabinet, and the refrigerant flows into and flows out from two directions through the upper evaporator and the lower evaporator, so that the cold quantity is transmitted from the upper side and the lower side of the liner, the temperature of each ice lining box is uniform, more ice lining boxes are frozen in the refrigeration stage, and the power-off heat preservation time is increased.

[0016] 3、The utility model discloses a double-in double-out ice lining ice cabinet, and the refrigerant flows into and flows out from two directions through the upper evaporator and the lower evaporator, so that the cold quantity is transmitted from the upper side and the lower side of the liner, the temperature of each ice lining box is uniform, more ice lining boxes are frozen in the refrigeration stage, and the power-off heat preservation time is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a double-in double-out ice lining ice cabinet refrigerating system structure schematic view provided by the utility model;

[0018] Fig. 2 It is a double-in double-out ice lining ice cabinet structure schematic view provided by the utility model.

[0019] In the drawing: 1-compressor;2-condenser;3-dry filter;4-capillary;5-distributor;6-upper evaporator;7-lower evaporator;8-liquid storage tank;9-box shell;10-liner;11-first ice lining layer;12-second ice lining layer;13-third ice lining layer;14-thermal insulation cotton;15-inner liner. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the utility model embodiment. The embodiments described in the application are only a part of the embodiments of the utility model, not all the embodiments. Based on the spirit of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] For example, Figs. 1-2As shown, a double-in double-out ice lining ice cabinet, cabinet and refrigeration system, refrigeration system is arranged in the cabinet, the cabinet includes box shell 9, inner container 10, ice lining layer, thermal insulation cotton 14 and inner container 15, the refrigeration system includes compressor 1, condenser 2, drying filter 3, capillary 4, distributor 5, upper evaporator 6, lower evaporator 7 and liquid storage tank 8.

[0022] The exhaust port of the compressor 1 is connected with one end of the condenser 2, the other end of the condenser 2 is connected with one end of the drying filter 3, the other end of the drying filter 3 is connected with one end of the capillary 4, the other end of the capillary 4 is connected with one end of the distributor 5, the other end of the distributor 5 is connected with one end of the upper evaporator 6 and the lower evaporator 7, the other end of the upper evaporator 6 and the lower evaporator 7 is connected with one end of the liquid storage tank 8, and the other end of the liquid storage tank 8 is connected with the air inlet of the compressor 1. The top of the liquid storage tank 8 is provided with a pipeline, and the liquid storage tank 8 is connected with the compressor 1 through the pipeline. The capillary 4 outlet is connected with the distributor 5, which can avoid the problem of different flow caused by using two capillaries 4 and different evaporation temperatures of the upper and lower evaporators.

[0023] The compressor 1 compresses the refrigerant into a high-temperature and high-pressure gas state into the condenser 2, the condenser 2 condenses the high-temperature and high-pressure gaseous refrigerant into a liquid state, the liquid state refrigerant is filtered by the drying filter 3 to remove water and impurities into the capillary 4 and then into the distributor 5, the liquid state refrigerant flows into the upper evaporator 6 and the lower evaporator 7 through the distributor 5, and then evaporates and absorbs heat to become gaseous state and then converges into the liquid storage tank 8, the liquid state refrigerant that is not completely evaporated enters the bottom of the liquid storage tank 8, and the gaseous state refrigerant returns to the compressor 1 through the top pipeline.

[0024] The ice lining layer in the cabinet includes a first ice lining layer 11, a second ice lining layer 12 and a third ice lining layer 13, each ice lining layer is provided with a plurality of ice lining boxes. The upper evaporator 6 and the lower evaporator 7 are arranged on the upper side and the lower side of the outer wall of the inner container 10 respectively, and the upper evaporator 6 and the lower evaporator 7 can be fixed on the outer wall of the inner container 10 by means of aluminum foil tape with heat conduction function. The heights of the inner container 10, the ice lining box, the thermal insulation cotton 14 and the inner container 15 are the same. The cold energy is transmitted from the upper evaporator 6 and the lower evaporator 7 to the inner container 10, and then transmitted from the inner container 10 to the first ice lining layer 11, and then transmitted to the second ice lining layer 12 and the third ice lining layer 13, and finally transmitted to the inner container 15 through the thermal insulation cotton 14.

[0025] The cold energy is transmitted from the upper evaporator 6 and the lower evaporator 7 to the inner container 10, and then transmitted from the inner container 10 to the first ice lining layer 11, and then transmitted to the second ice lining layer 12 and the third ice lining layer 13, and finally transmitted to the inner container 15 through the thermal insulation cotton 14.

[0026] Compared with the prior art, the utility model has the advantages of

[0027] 1. The utility model discloses a refrigerant flows into and flows out from two directions through upper evaporator and lower evaporator, so that the cold quantity is transmitted from the upper side and the lower side of the liner, realizes that each ice lining box temperature is even, lets more ice lining box freeze in the refrigeration stage, increases the power-off heat preservation time.

[0028] 2. In the double-in double-out ice lining freezer provided by the utility model, the liquid distributor can make the liquid refrigerant evenly enter the upper and lower evaporators, avoid the problem of different refrigerant flow and different evaporation temperature of the upper and lower evaporators caused by using two capillary tubes, and further improve the temperature uniformity of the ice lining layer.

[0029] 3. The liquid storage tank is added to the air inlet of the compressor, the liquid storage tank can store the liquid refrigerant that is not completely evaporated due to the short evaporator, avoids the liquid hammer, and protects the compressor to the maximum extent.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit them, and although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that the specific embodiments of the utility model can still be modified or replaced, and any modification or equivalent replacement that does not deviate 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.A double-in double-out ice-lining ice cabinet, comprising a cabinet body and a refrigeration system, characterized in that: the refrigeration system comprises a compressor (1), a condenser (2), a drying filter (3), a capillary tube (4), a distributor (5), an upper evaporator (6), a lower evaporator (7) and a liquid storage tank (8); an exhaust port of the compressor (1) is connected with one end of the condenser (2), the other end of the condenser (2) is connected with one end of the drying filter (3), the other end of the drying filter (3) is connected with one end of the capillary tube (4), the other end of the capillary tube (4) is connected with one end of the distributor (5), the other end of the distributor (5) is connected with one end of the upper evaporator (6) and the lower evaporator (7), the other end of the upper evaporator (6) and the lower evaporator (7) is connected with one end of the liquid storage tank (8), and the other end of the liquid storage tank (8) is connected with an air inlet of the compressor (1); the cabinet body comprises a box shell (9) and an inner container (10), and the refrigeration system is arranged in the box shell (9), and the upper evaporator (6) and the lower evaporator (7) are arranged on the outer wall of the inner container (10). 2.The double-in double-out ice-lining ice cabinet according to claim 1, characterized in that: the cabinet body further comprises an ice lining layer, thermal insulation cotton (14) and an inner container (15), and the box shell (9), the inner container (10), the ice lining layer, the thermal insulation cotton (14) and the inner container (15) are sequentially arranged from outside to inside. 3.The double-in double-out ice-lining ice cabinet according to claim 2, characterized in that: the ice lining layer comprises a first ice lining layer (11), a second ice lining layer (12) and a third ice lining layer (13), and the first ice lining layer (11), the second ice lining layer (12) and the third ice lining layer (13) are sequentially arranged from outside to inside, and each ice lining layer is provided with a plurality of ice lining boxes. 4.The double-in double-out ice-lining ice cabinet according to claim 3, characterized in that: the inner container (10), the ice lining layer, the thermal insulation cotton (14) and the inner container (15) have the same height. 5.The double-in double-out ice-lining ice cabinet according to claim 1, characterized in that: the top of the liquid storage tank (8) is provided with a pipeline, the liquid storage tank (8) is connected with the compressor (1) through the pipeline, and the liquid refrigerant that is not evaporated completely enters the bottom of the liquid storage tank (8), and the gaseous refrigerant returns to the compressor (1) through the top pipeline.