CN220582861U - Refrigerating room temperature adjusting system - Google Patents

Abstract

The utility model discloses a refrigerating room temperature regulating system, which relates to the technical field of refrigerating equipment and comprises a box body, wherein the box body is divided into at least two adjacent compartments, namely a freezing chamber and a refrigerating chamber, and the refrigerating room temperature regulating system also comprises a compressor, wherein after the compressor compresses a refrigerant into a high-temperature high-pressure state, the refrigerant sequentially flows through a condenser, a filter and a capillary tube, and finally becomes a low-temperature refrigerant to enter an evaporator, and finally flows back to the compressor from the evaporator through an air return pipe; the bypass pipeline filled with high-temperature liquid is attached to the liner of the refrigerating chamber, and when the temperature of the refrigerating chamber is lower than a set value, the bypass pipeline is opened and radiates heat into the refrigerating chamber to heat the refrigerating chamber. According to the utility model, when the refrigerating chamber cannot be heated to the preset temperature value, the bypass pipeline can radiate heat to the refrigerating chamber, so that the refrigerating chamber is heated.

Description

Refrigerating room temperature adjusting system

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to a refrigerating room temperature regulating system.

Background

The split door air-cooled refrigerator is favored by users because of large storage space and low price, however, only one layer of foaming layer is separated between the refrigerating chamber and the freezing chamber of the split door refrigerator, after the temperature in the refrigerator is stable, the refrigerating chamber and the freezing chamber have larger temperature difference, so that the cold in the freezing chamber is continuously transferred into the refrigerating chamber, especially when the ambient temperature is lower, the temperature difference between the refrigerating chamber and the ambient temperature is smaller, and the heat load of the refrigerating chamber is small, at the moment, even if the refrigerating chamber does not actively refrigerate, the temperature is lower because of the cold transferred from the freezing chamber through the middle foaming layer, and when the set temperature of the refrigerating chamber is higher, the refrigerating chamber cannot be raised to the set temperature.

To above-mentioned problem, some manufacturers set up electric heater strip at the inner wall of the inner container of the cold-storage chamber, when the cold-storage chamber temperature rises inadequately, the heater strip starts to heat for the cold-storage chamber, and this kind of mode can lead to the energy consumption of refrigerator to increase, has the risk that the heater strip overheated and melts the inner container under extreme conditions.

Disclosure of Invention

The utility model aims to provide a refrigerating chamber temperature regulating system, wherein the refrigerating capacity of a freezing chamber is transferred to a refrigerating chamber, when the environment temperature is low, the refrigerating chamber cannot be heated to a preset temperature value, and a bypass pipeline can radiate heat to the refrigerating chamber, so that the temperature of the refrigerating chamber is raised, the energy damage is reduced, and the risk brought by electric heating is avoided.

The utility model comprises a box body, wherein the box body is divided into at least two adjacent compartments, namely a freezing chamber and a refrigerating chamber, and the box body also comprises a compressor, wherein the compressor compresses a refrigerant into a high-temperature high-pressure state, and then sequentially flows through a condenser, a filter and a capillary tube, finally becomes a low-temperature refrigerant to enter an evaporator, and finally flows back to the compressor from the evaporator through an air return pipe; the side of the evaporator is provided with a fan, the opposite side of the fan is provided with a refrigerating air duct and a freezing air duct, the refrigerating air duct and the freezing air duct respectively extend into the refrigerating chamber and the freezing chamber, and the fan respectively sends low-temperature air around the evaporator into the refrigerating chamber and the freezing chamber through the refrigerating air duct and the freezing air duct to refrigerate the low-temperature air; the bypass pipeline filled with high-temperature liquid is attached to the liner of the refrigerating chamber, and when the temperature of the refrigerating chamber is lower than a set value, the bypass pipeline is opened and radiates heat into the refrigerating chamber to heat the refrigerating chamber.

After adopting above-mentioned structure, when the temperature of cold-stored room is less than the setting value, the bypass line of attaching on the cold-stored indoor courage is opened, and its inside high temperature liquid is with heat transfer to in the cold-stored room, makes it intensify, has reduced the energy damage, has avoided the risk that the electrical heating brought simultaneously.

Preferably, a double-pass electromagnetic valve is arranged between the compressor and the filter, the bypass pipeline and the condenser are arranged between the double-pass electromagnetic valve and the filter side by side, and high-temperature refrigerant from the compressor flows through the bypass pipeline and the condenser after passing through the double-pass electromagnetic valve respectively to emit heat, and finally enters the filter after being converged through the three-way pipe.

Preferably, the bypass pipeline is curved and spirally attached to the inner container of the refrigerating chamber.

In summary, the utility model has the following beneficial effects:

1. the bypass pipeline is arranged at the condenser side to provide heat for the refrigerating chamber, so that the efficiency of the refrigerating system is improved by reducing the condensing temperature on one hand, and the problem that the temperature of the refrigerating chamber cannot rise to the set temperature on the other hand can be solved.

2. The bypass pipeline is in a bent shape, so that the heat dissipation area is increased, and the heat dissipation effect is better.

3. The temperature of the refrigerating chamber is raised through the bypass pipeline, so that the problem that the energy consumption of the refrigerator is increased due to heating of the traditional electric heating wire is solved, and the risk that the inner container is melted due to overheating of the heating wire is avoided.

Drawings

FIG. 1 is a schematic diagram of the operation of a refrigerator compartment temperature conditioning system of the present utility model;

fig. 2 is a schematic structural view of a refrigerator equipped with a refrigerating chamber temperature adjusting system.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The orientations referred to in the present specification are all based on the orientations of the refrigerating room temperature adjusting system of the present utility model when the refrigerating room temperature adjusting system is normally operated, and the orientations are not limited in storage and transportation, and only represent relative positional relationships, but not absolute positional relationships.

As shown in fig. 1 to 2, a refrigerating room temperature adjusting system includes a case divided into two adjacent compartments, a freezing room 13 and a refrigerating room 14, respectively, the refrigerating room 14 and the freezing room 13 being separated by a foaming layer; the device also comprises a compressor 1, a condenser 4, a filter, a capillary tube 6 and an evaporator 9 which are sequentially connected through pipelines; the refrigerator is also provided with a bypass pipeline 3 for heating the refrigerating chamber 14, the bypass pipeline 3 is in a bent shape and spirally attached to the inner container of the refrigerating chamber 14; a double-pass electromagnetic valve 2 is arranged between the compressor 1 and the filter, a bypass pipeline 3 and a condenser 4 are arranged between the double-pass electromagnetic valve 2 and the filter side by side, and the refrigerant from the compressor 1 flows through the bypass pipeline 3 and the condenser 4 after passing through the double-pass electromagnetic valve 2, and finally enters a capillary tube 6 after being converged at a three-way pipe 5 and filtered by the filter; a fan 10 is arranged at the side part of the evaporator 9, a refrigerating air duct 11 and a freezing air duct 12 are arranged at the opposite side of the fan 10, the refrigerating air duct 11 stretches into the refrigerating chamber 14, the freezing air duct 12 stretches into the freezing chamber 13, and the fan 10 respectively sends low-temperature gas around the evaporator 9 into the freezing chamber 13 and the refrigerating chamber 14 through the refrigerating air duct 11 and the freezing air duct 12 to refrigerate the low-temperature gas; the evaporator 9 is also connected with an air return pipe 7, and the air return pipe 7 is used for returning the refrigerant in the evaporator 9 to the compressor 1 to complete one-time refrigerant circulation; simultaneously, capillary 6 and muffler 7 are soldered along its length direction and are muffler subassembly 8, and capillary 6 carries out the heat exchange with muffler 7 in soldering department.

The refrigerating chamber 14 is internally provided with a temperature sensor, the two-way electromagnetic valve 2 and the temperature sensor are respectively connected with a control module, and the control module receives the temperature value measured by the temperature sensor and controls the start and stop of the electromagnetic valve.

After the refrigerating system runs stably, a stable relatively large temperature difference is maintained between the freezing chamber 13 and the refrigerating chamber 14, the cold in the freezing chamber 13 is transferred into the refrigerating chamber 14 through the foaming layer, and meanwhile, the heat in the environment is also transferred into the compartments through the foaming layers at the periphery of the compartments; when the ambient temperature does not reach the lower level, the heat transferred from the external environment to the refrigerating chamber 14 is sufficient to raise the temperature of the refrigerating chamber 14 back to the set temperature, and the refrigeration system is circulated in the following manner:

the compressor 1 operates to discharge high-temperature and high-pressure refrigerant through the exhaust pipe and enters the two-way electromagnetic valve 2, at this time, the two-way electromagnetic valve 2 only opens a channel connected with the condenser 4, the refrigerant enters the condenser 4 through the two-way electromagnetic valve 2 and then exchanges heat with the external environment, the refrigerant is converted into medium-temperature and high-pressure refrigerant liquid, heat in the refrigerant is transferred to the external environment through the condenser 4, the medium-temperature and high-pressure refrigerant enters the capillary tube 6 after being filtered through the filter, the pressure is reduced through the throttling of the capillary tube 6 and simultaneously exchanges heat with the air return pipe 7, the refrigerant is converted into a low-temperature and low-pressure refrigerant gas-liquid mixture to enter the evaporator 9, the fan 10 operates to drive air in the freezing chamber 13 and the refrigerating chamber 14 to exchange heat with the evaporator 9, the cold energy of the refrigerant in the evaporator 9 is conveyed to the refrigerating chamber 14 and the freezing chamber 13, the gas-liquid mixed refrigerant in the evaporator 9 absorbs heat and then becomes the low-temperature and low-pressure refrigerant gas after exchanging heat with the capillary tube 6, and then the medium-temperature and low-pressure refrigerant gas is converted into the medium-temperature and low-pressure refrigerant gas to return to the compressor 1 to complete one cycle.

When the ambient temperature is low, the heat transferred from the external environment to the refrigerating chamber 14 through the foaming layer is insufficient to offset the cold energy transferred from the freezing chamber 13 to the refrigerating chamber 14 through the foaming layer, so that the temperature of the refrigerating chamber 14 cannot rise to the set temperature, and the value of the temperature sensor of the refrigerating chamber 14 cannot reach the set starting temperature, therefore, the refrigerating chamber 14 cannot actively refrigerate, and at the moment, a part of heat can be provided for the refrigerating chamber 14 through the bypass pipeline 3, so that the refrigerating chamber 14 can rise to the set temperature; since the refrigerating chamber 14 cannot rise back to the set temperature value, the refrigerating damper 15 of the refrigerating chamber 14 is kept in a normally closed state, the refrigerating chamber 14 is not actively refrigerated any more, and the refrigerating system is controlled in the following manner:

the compressor 1 operates to discharge high-temperature and high-pressure refrigerant through the exhaust pipe to enter the two-way electromagnetic valve 2, at the moment, the two-way electromagnetic valve 2 is connected with a channel of the condenser 4 and a channel of the bypass pipeline 3 and is simultaneously opened, the refrigerant respectively enters the condenser 4 and the bypass pipeline 3 through the two-way electromagnetic valve 2, the refrigerant in the condenser 4 is converted into medium-temperature and high-pressure refrigerant liquid through heat exchange with the external environment, the refrigerant in the bypass pipeline 3 is converted into medium-temperature and high-pressure refrigerant liquid through heat exchange with air in the refrigerating chamber 14, the refrigerant in the condenser 4 and the bypass pipeline 3 are converged in the three-way pipe 5, filtered by the filter and then enter the capillary tube 6, the throttling is reduced by the capillary tube 6, heat exchange is simultaneously carried out with the return air pipe 7, the refrigerant is converted into low-temperature and low-pressure refrigerant gas-liquid mixture enters the evaporator 9, the fan 10 operates to drive air in the freezing chamber 13 to be subjected to heat exchange with the evaporator 9, the cold quantity of the refrigerant in the evaporator 9 is transferred to the freezing chamber 13, the refrigerant liquid in the bypass pipeline 3 is converted into low-temperature and low-pressure refrigerant gas mixture into low-temperature gas after the low-temperature and low-pressure gas is converted into low-pressure refrigerant gas through the capillary tube 6 for return to the primary compression of the capillary tube 1.

The air in the refrigerating chamber 14 absorbs heat through heat exchange with the bypass pipeline 3, the temperature rises, when the temperature value measured by the sensor temperature in the refrigerating chamber 14 reaches the set starting temperature minus 0.5 ℃, the channel of the two-way electromagnetic valve 2 connected with the bypass pipeline 3 is closed, only the channel connected with the condenser 4 is independently opened, and the bypass pipeline 3 does not provide heat for the refrigerating chamber 14.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims (3)

1. A refrigerator temperature conditioning system, characterized by: the refrigerator comprises a refrigerator body, a compressor, a condenser, a filter and a capillary tube, wherein the refrigerator body is divided into at least two adjacent compartments, namely a freezing compartment and a refrigerating compartment, the refrigerator body also comprises the compressor, the compressor compresses a refrigerant into a high-temperature high-pressure state, the refrigerant sequentially flows through the condenser, the filter and the capillary tube, finally the refrigerant becomes a low-temperature refrigerant to enter an evaporator, and finally the refrigerant flows back to the compressor from the evaporator through an air return pipe; the side part of the evaporator is provided with a fan, the opposite side of the fan is provided with a refrigerating air duct and a freezing air duct, the refrigerating air duct and the freezing air duct respectively extend into the refrigerating chamber and the freezing chamber, and the fan respectively sends low-temperature air around the evaporator into the refrigerating chamber and the freezing chamber through the refrigerating air duct and the freezing air duct to refrigerate the low-temperature air; and a bypass pipeline filled with high-temperature liquid is attached to the liner of the refrigerating chamber, and when the temperature of the refrigerating chamber is lower than a set value, the bypass pipeline is opened and radiates heat into the refrigerating chamber to heat the refrigerating chamber.

2. The refrigerator compartment temperature conditioning system of claim 1, wherein: the bypass pipeline and the condenser are arranged between the two-way electromagnetic valve and the filter side by side, and high-temperature refrigerant from the compressor flows through the bypass pipeline and the condenser after passing through the two-way electromagnetic valve, dissipates heat, and finally enters the filter after being converged by the three-way pipe.

3. The refrigerator compartment temperature conditioning system of claim 1, wherein: the bypass pipeline is in a bent shape and spirally attached to the inner container of the refrigerating chamber.