2708 results about "Freezing chamber" patented technology

A hollow aluminum alloy extrusion section bar starts sealing one opening of the extrusion hollow thin wall enclosing section bar to be bent, with the weld end upright roll down, filling sand from the upper opening till there is only a small distance unfilled space left, keeping the part upright, filling water from the opening till it is slightly higher than the sand level, putting it into the freezing chamber until the frozen of the sand and water to seal the opening with a ready made wedge, and lamping the above said parts in stretch benders or rolling bend machine. In this way, it avoids the convex and cave caused when the hollow section curves. It solves the deformation of the cross section in curving, retaining the same cross section area.

In the related art refrigerator, its structure for supplying water to a dispenser and water tank was complicated. In addition, since an icemaker is installed in a refrigerating chamber of the refrigerator, there is a problem in that the water supplied into the icemaker is frozen. Furthermore, if the icemaker is installed in the freezing chamber of the refrigerator in which the refrigerating chamber is formed at a lower portion thereof and a refrigerating chamber is formed at an upper portion thereof, there is another problem in that it is difficult to control the temperature in the refrigerating chamber or ice-making capability of the icemaker is lowered. The present invention is directed to a refrigerator. According to an aspect of the present invention for solving the above problems, there is provided a refrigerator including a refrigerating chamber formed at a relatively upper portion of a refrigerator body and a freezing chamber formed at a relatively lower portion of the refrigerator body, which comprises an ice-making chamber which is partitioned in the refrigerating chamber by means of insulating walls and includes an icemaker for making ice and an ice storage for storing the ice made in the icemaker, a first heat exchanger for generating cold air to regulate the temperature in the ice-making chamber, and a second heat exchanger for generating cold air to regulate the temperature in the freezing and refrigerating chambers, wherein the first and second heat exchanger are components of a heat exchange cycle. According to the refrigerator of the present invention so configured, there are advantages in that the temperature in the refrigerating chamber can be accurately controlled, the loss of cold air can be minimized and the structures for supplying water into the icemaker and the dispenser can be simplified.

The invention relates to an air-cooling refrigerator control method. A refrigeration system of an air-cooling refrigerator comprises a compressor, a condenser, a freezing evaporator, a cold storage evaporator, a condensate fan, a freezing fan, a cold storage fan, a cold storage temperature sensor, a freezing temperature sensor, an environment temperature sensor and a controller, wherein the controller of the refrigerator controls the rotating speeds of the compressor, the condensate fan, the freezing fan and the cold storage fan according to the temperature of a cold storage chamber, the temperature of a freezing chamber and the temperature of the external environment detected by the cold storage temperature sensor, the freezing temperature sensor and the environment temperature sensor respectively. Due to the arrangement of the environment temperature sensor for measuring the temperature of the external environment on the refrigerator, the rotating speeds of the compressor, the condensate fan, the freezing fan and the cold storage fan can be adjusted simultaneously according to the temperature of the external environment and the temperature of each internal chamber, the refrigeration system is optimized, the temperature in the refrigerator can be controlled more accurately and quickly, and energy consumption and noise are reduced to the lowest level.

A high-pressure side discharge port of a two-stage compressor (12A) and a condenser (14A) are connected, condenser (14A) and a PMV (15A) are connected, a refrigerating side exit of PMV (15A) is connected to a medium pressure side suction port of two-stage compressor (12A) via an R capillary tube (16A) and an F evaporator (18A), connected to an F evaporator (26A) via an F capillary tube (24A), F evaporator (26A) is connected to a low-pressure side suction port of two-stage compressor (12A) via a low-pressure suction pipe (28A), PMV (15A) can switch a simultaneous cooling mode and a freezing mode, and in the simultaneous cooling mode, a refrigerant flow rate toward R evaporator (18A) is adjusted by PMV (15A), and thereby a temperature difference control is performed so as to make a difference between an entrance temperature and an exit temperature of R evaporator (18A) equal to a preset temperature difference (for example, 4° C.).

A controller (22), on the basis of the detection condition of a temperature sensor (23) for a freezing chamber and a temperature sensor (24) for a refrigerating chamber, controls a freezing cycle device (10). Here, controller (22) controls an opening of a regulating valve (12) so as to make a superheat amount which is a difference between an exit temperature and an entrance temperature of a refrigerating evaporator (5) equal to a target superheat amount, and thereby adjusts a refrigerant flow rate to refrigerating evaporator (5) in a limited state.

In this case, when a power is turned on, the entrance temperature and the exit temperature of refrigerating evaporator (5) are the same, so that controller (22), when the power is turned on, calibrates detected temperatures of an entrance temperature sensor (27) and an exit temperature sensor (26) so as to coincide with each other, and thereby can execute surely the subsequent limiting adjustment of regulating valve (12) on the basis of the superheat amount.

Further, in this case, when a refrigerant supply to refrigerating evaporator (5) is stopped and the temperature of refrigerating evaporator (5) rises suddenly, controller 22 increases an opening of a valve opening (42) to refrigerating evaporator (5) of regulating valve (12) to a predetermined return value, so that the refrigerant supply amount to refrigerating evaporator (5) is increased at a stretch, and thus the refrigerating evaporator can be cooled quickly.

A refrigerator having a two-stage compressor (12A) for cooling efficiently both a refrigerating chamber (2A) and a freezing chamber (5A) will be provided.

When limiting and adjusting a refrigerant flow rate to one evaporator according to an opening of a valve body so as to make a superheat amount of one evaporator appropriate on the basis of the superheat amount which is a difference between an exit temperature and an entrance temperature of one evaporator, a refrigerator for detecting accurately the entrance temperature and the exit temperature of one evaporator will be provided.

When limiting and adjusting a refrigerant flow rate to one evaporator according to an opening of a valve body, a refrigerator for causing no delay in a refrigerant supply to one evaporator will be provided.

A refrigerator includes an ice storage container coupled to a mounting space of an inner wall of a freezing chamber door, and the ice storage container is attachable to and detachable from the mounting space by elastic lever units to maintain and release locking of the ice storage container with the mounting space, and elastic coupling units to maintain coupling of the ice storage container to the mounting space by elastic deformation and restrict movement of the ice storage container in the horizontal direction of the mounting space when the ice storage container is mounted on the mounting space, thereby preventing abrasion and breakdown of components due to user's ease in the assembly of the ice storage container and increase in the fixing force of the ice storage container.

Refrigerator including a cold air duct for receiving cold air circulating insides of a refrigerating chamber and a freezing chamber, an evaporator in the cold air duct, at least one defrosting heater in the cold air duct for selective emission of heat, a fan in the cold air duct, for selective direction of the cold air in upward or downward, a motor for driving the fan, and open/close means for closing a space having the evaporator, the defrosting heater, and the fan positioned therein selectively, thereby providing an improved defroster for an evaporator.

The invention is about a refrigerator comprising a refrigerator body, an accommodating space and a refrigerator door, wherein the refrigerator body defines the whole external dimension of the refrigerator, the receiving space consists of the refrigerator body, is used for placing objects, and comprises a freezing chamber and a refrigerating chamber, and the refrigerator door is installed on the refrigerator body and provided with a display device. The freezing chamber and the refrigerating chamber are internally provided with an image capturing device connected with the display device respectively; the two image capturing devices transmit captured image information inside the refrigerator to the display device; and the seamless splicing treatment for the obtained image is carried out and the obtained image is displayed by the display device. Though the display device or the food storage state in the refrigerator and the operating function and the temperature state information of the refrigerator, and the refrigerator is convenient to use and quick to operate, and also saves electrical energy.

Abstract of Disclosure A frozen beverage machine includes a mixing block having a plurality of inlets and an outlet coupled to a freezing chamber. The freezing chamber has a drain valve and a dispensing valve coupled thereto. Beverage ingredients are pumped into corresponding ingredient inlets of the mixing block such that the ingredients are mixed in the mixing block to form a product mixture, and the product mixture flows from the mixing block outlet into the freezing chamber. The freezing chamber and the mixing block are refrigerated. The product mixture is drained from the freezing chamber via the drain valve, and a cleaning solution is pumped into a cleaning solution inlet of the mixing block and into the freezing chamber. The cleaning solution is drained from the freezing chamber via the drain valve.

The invention relates to a method for controlling an air-cooled refrigerator. The air-cooled refrigerator comprises a cold storage chamber and a freezing chamber; a compressor, an evaporator, a fan motor and a freezing chamber temperature sensor are arranged in the freezing chamber; a cold storage chamber temperature sensor is arranged in the cold storage chamber, and a cold storage air door for controlling the temperature of the cold storage chamber is arranged in an air duct between the cold storage chamber and the freezing chamber; and the freezing chamber temperature sensor, the cold storage chamber temperature sensor and the cold storage air door are connected with a controller of the air-cooled refrigerator. The method for controlling the air-cooled refrigerator comprises the following steps of: acquiring temperatures of the chambers through the freezing chamber temperature sensor and the cold storage chamber temperature sensor, and controlling the compressor, the fan motor and the cold storage air door through the controller to realize synchronization of refrigerating cycles of the chambers, wherein start of the compressor is only controlled by the temperature of the freezing chamber, and operation and stop of the compressor are controlled by the temperature of each chamber. By the controlling method, the start time of the compressor can be reduced, the refrigerating efficiency is improved, and an aim of reducing the operating energy consumption of the refrigerator is fulfilled.

The invention provides a refrigerator improving driving reliability of blower. The refrigerator of the invention comprises a refrigerating chamber provided at the upper part of the refrigerator body, a freezing chamber provided at the lower part of the refrigerator body, a blower conveying cooling air to the refrigerator, a cooling air duct located at the upper part of the freezing chamber and provided with the blower, an air door located at the upper part of the blower for adjusting the supplying of the cooling air conveyed by the blower to the refrigerator, a baffle for rotatably providing the air door in the cooling air duct and controlling the cooling air passing in the cooling air duct; the blower comprises a fan and a fan cover provided around the fan and the blower is provided having tilt from upper part if the fan cover to the left and right directions viewing from the face of the refrigerator body; the cooling air duct has a tilt part at the upper part of the fan; the baffle rotates until the end of the baffle locating at the upper part of the tilt part.

An improved refrigerator with a cool select zone comprises a refrigerating room, a cold room, the cool select zone and a control part. The cool select zone is arranged in the cold room and provided with an air inlet and an air outlet. The refrigerator also comprises an induced duct, one end of which is connected with the refrigerating room and the other end of which is connected with the air inlet of the cool select zone; as well as an air quantity control structure connected with the induced duct. The control method for the refrigerator comprises: when T is more than Ts-0.5, a controller opens an electric air door to lead cooling air and the on-state of an evaporator fan is retained, if the fan stops, the fan is forcedly started to speed up the flow of cooling air and lower the temperature; when T is less than Ts-0.5, the controller closes the electric air door, the fan recovers to the normal operating state for heat preservation. The refrigerator can conveniently set the temperature to satisfy the fresh-keeping requirements of most daily food; moreover, the refrigerator has the advantages of simple structure, high speed of temperature change, wide regulation range, no remaining frost formation, etc..

The present invention discloses a food keeping refrigerator which can preserve the freshness and nutrition of foods for an extended period of time by emitting appropriate light to the foods stored in storing units. The food keeping refrigerator which keeps foods in a refrigerating chamber and/or a freezing chamber and refrigerates and/or freezes the foods through a cooling unit includes: a storing means for storing food keeping information; a light generating means mounted on the refrigerating chamber and/or the freezing chamber, for generating light and emitting the light to the foods; and a control unit for reading the food keeping information corresponding to the foods from the storing means, and controlling the light generating means to emit the light according to the food keeping information.

The invention discloses an air cooling refrigerator defrosting method. The air cooling refrigerator defrosting method includes the following steps that: first step, after accumulative operating time of a compressor achieves a set value, the method enters a second step; second step, defrosting preparation is performed; third step, after the temperature of a freezing chamber drops TLD degrees, an electric control device of the refrigerator judges whether THS is smaller than TDFTE-3 degrees in a refrigeration process of the freezing chamber, when THS<=TDFTE-3 degrees, the second step is terminated, and the method enters a fourth step; and fourth step, defrosting is performed, the defrosting specifically includes the following steps that: the electric control device controls the compressor and makes the same stop working, and then, starts up a freezing defrosting heating tube to heat an evaporator, and turns off the freezing defrosting heater when a freezing defrosting electric heating condition quitting condition is satisfied, and the electric control device control makes the compressor stop for 6 minutes, and then, the air cooling refrigerator defrosting method is terminated, a normal startup-shutdown control program is initiated. According to the air cooling refrigerator defrosting method of the invention, an optimized control method is utilized to perform fine adjustment on a defrosting process, and therefore, energy consumption increase caused by frequent defrosting of the refrigerator can be avoided, and condensed frost can be melt completely.

Disclosed is an ice maker for a refrigerator. The ice maker is further provided with an ice making evaporator in addition to an evaporator for cooling a refrigerating chamber of a freezing chamber, and the ice making evaporator is sunk in water to generate ice, thereby quickly creating transparent ice. The ice maker can also be disposed in the refrigerating chamber or a refrigerating chamber door, thus to prevent ice from being formed with air bubble remaining in water, resulting in enhancing transparency of ice. In addition, even if the ice maker is disposed in the refrigerating chamber door, cold air is not needed to be induced from the freezing chamber, which allows independent operations of the freezing chamber and the ice maker, thereby increasing energy efficiency.