1360 results about "Freezing chamber" patented technology

A refrigerator is disclosed. The refrigerator includes a main body which has a cooling chamber and a freezing chamber, a storage chamber which is provided in the cooling chamber to store foodstuffs, an irradiation device which irradiates light within a visible light region correspondingly to color of the foodstuffs stored in the storage chamber, an optical deodorization module which includes an ultraviolet light irradiation device which is mounted to the storage chamber to irradiate ultraviolet light and a photocatalyst filter which receives the ultraviolet light from the ultraviolet light irradiation device and is coated with a photocatalyst agent, and a control unit which controls the irradiation device and the ultraviolet light irradiation device.

A refrigerator has a freezing chamber at the bottom, and a refrigerating chamber over the freezing chamber. The refrigerator includes an ice making unit and an ice dispenser mounted in a refrigerating chamber door that allows ice to be dispensed without opening the door. A sub-PCB is mounted in the refrigerating chamber door for controlling operations of the ice making unit and the dispenser. A cold air supply duct supplies cold air from a cold air supply unit to the ice making unit.

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.

The invention relates to a control method for refrigerator, concretely, it relates to control method for a frequency variable refrigerator, the invention provides a method for time division work of freezing chamber and cold storage chamber in the process of temperature control, and through the cold quantity demands estimation, the frosting process includes the refrigerating process of the cold storage chamber. The variable frequency refrigerator includes: primary CPU, freezing chamber, cold storage chamber, temperature sensor, compressor, the invention introduces the concepts of temperature change rate and target approaching rate, the refrigerator can adjust the temperature change of the refrigerator according to the rate.

The invention discloses an air-cooled refrigerator which comprises a refrigeration system, an electrical control device, a sensing device and an air duct system, wherein the sensing device comprises a refrigerating chamber temperature sensor, a freezing chamber temperature sensor and an evaporator temperature sensor; and a timing part arranged in the electrical control device comprises a compressor operation timer, a defrosting pre-preparation timer, an air return defrosting timer and an electrical-heated defrosting timer. The invention also provides an energy-saving defrosting control method of the air-cooled refrigerator. The energy-saving defrosting control method comprises the following steps of: entering a defrosting program; performing defrosting pre-preparation; performing air return defrosting; performing electrical-heated defrosting; and finishing defrosting. According to the air-cooled refrigerator and the air return defrosting control method thereof provided by the invention, signals of each sensor can be received by the electrical control device, the state of each timer can be monitored, fine control over a compressor, a fan and the like can be realized, over-high temperature of a refrigerating chamber, caused by air return defrosting, is prevented, a preservation effect of the refrigerator is reduced, and meanwhile, a closed-loop type poor working process is prevented.

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.

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.

Disclosed are a refrigerator and a controlling method of the same. A change amount of a refrigerating chamber temperature, or a change amount of a freezing chamber temperature may be calculated per time period, and a load corresponding driving may be executed based on the calculated change amount. This may allow the load corresponding driving to be executed more precisely, reduce power consumption, and enhance stability and efficiency of a system.

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.

The invention discloses a refrigerator with a humidity chamber. The refrigerator with the humidity chamber comprises a box body; a refrigerating chamber and a freezing chamber are arranged at intervals in the box body; the humidity chamber, which is of a sealing structure relative to the refrigerating chamber, is arranged in the refrigerating chamber; the humidity chamber can adjust the humidity according to different demands, so as to form a drying chamber with the drying function or a humidity maintaining chamber with the humidity maintaining function; the drying chamber and the humidity maintaining chamber can be switched; when drying, the humidity chamber is in air communication with the freezing chamber, and thus the humidity chamber serves as the drying chamber with the drying function; when maintaining the humidity, the humidity chamber serves as the humidity maintaining chamber with the humidity maintaining function. With the adoption of the refrigerator with the humidity chamber, the humidity maintaining environment is provided for keeping foods like vegetables and fruits fresh and storing the foods; in addition, the low-humidity drying environment which is beneficial for the storage of tea, cigarette and other dry goods can also be provided, and as a result, the active demand of a consumer can be met.

The invention designs a refrigerator defrosting controlling system. A defrosting temperature sensor is arranged on an evaporator, a water tray is arranged below the evaporator, a defrosting heating tube which is connected with a high-temperature fuse in series is connected with a controller, and the defrosting heating tube is arranged between the evaporator and the defrosting tray. The invention also comprises a defrosting control method for the refrigerator defrosting controlling system. During a refrigerator running period, the temperature variation rate of a refrigerator freezing chamber is monitored to judge the frost layer condition of the evaporator by combining with compressor running time, and then the defrosting process starts; when the refrigerator defrosts, a control plate controls the defrosting heating tube to heat for certain time, and then works in the mode of cycling heating; after the frost layer of the evaporator melts, the frost layer can be separated from the evaporator by the gravity to fall into the water tray and the defrosting process is stopped until the temperature of evaporator is at about 6 DEG C. In order to exhaust defrosting water, the compressor, the fan and the like are started after delaying for a certain time after defrosting.

The invention relates to a household electric appliance, in particular to a refrigerator with a freezing and blocking prevention air duct structure. The refrigerator comprises a first storage chamber and a second storage chamber, wherein the first storage chamber is formed above the second storage chamber; an evaporator is arranged in the first storage chamber. The refrigerator further comprises a first air duct positioned in the first storage chamber and a second air duct positioned in the second storage chamber, wherein the first air duct is communicated with a space in the vicinity of the evaporator; an air supply passage is formed between the first and second air ducts; a first flow guide lug boss and water outlets are arranged in the first air duct; the first flow guide lug boss is positioned above the air supply passage to prevent water in the air ducts from flowing into the air supply passage and guide the water to the water outlets. According to the refrigerator, an air duct design for a top-freezing and bottom-cold storage or variable temperature refrigerator is provided, and by the lug boss designed in the air duct, water drops or water flow in the air duct in a freezing chamber can be prevented from flowing to a damper door to be frozen or block the air duct, and the air duct is prevented from being iced and further failing.

The invention discloses an air duct device of a refrigerator and the full-variable-temperature refrigerator. The air duct device comprises a front air duct cover plate, a front foam air duct, a rear foam air duct, two air doors, a rear air duct cover plate and a centrifugal fan assembly, wherein the front air duct cover plate is mounted on the wall of the inner chamber of the refrigerator; the front foam air duct is mounted on the front air duct cover plate; the rear foam air duct is mounted on the front foam air duct; the two air doors are mounted on the rear foam air duct; the rear air duct cover plate is mounted on the front air duct cover plate; an air duct is defined by the front air duct cover plate, the front foam air duct, the rear foam air duct and the rear air duct cover plate in a sealed manner; and the centrifugal fan assembly is positioned in the air duct, and is mounted on the front air duct cover plate. The air duct device and the full-variable-temperature refrigerator can control the storage temperatures of all chambers to achieve the function that the temperatures of all the chambers can be varied arbitrarily, so that the functions of a refrigeration chamber, a freezing chamber and a variable-temperature chamber can be defined according to own requirements by users.

The invention relates to a refrigerator with a temperature varying and/or vacuum dual preservation system, which comprises a box body, a refrigerating chamber, a freezing chamber and a temperature varying chamber, wherein a vacuum preservation system is arranged on a temperature varying preservation drawer to form a storage space with temperature varying and vacuum dual preservation functions. The control method provided by the invention comprises the following steps of: selecting temperature varying and/or vacuum preservation functions; selecting temperature varying; inputting refrigeration; detecting a temperature control sensor, and closing an air door when the set temperature is reached; automatically starting a vacuum pump to vacuumize; detecting the pressure inside the preservation drawer, and stopping the operation of the vacuum pump when the set pressure is reached. By adopting the technical scheme, the preservation drawer with the temperature varying preservation and/or vacuum preservation dual functions on the refrigerator is realized, and the space is fully utilized; and users can select different low temperatures according to different foods, the autonomy of function selection by the users is increased, and the requirement of user individuation is satisfied.

The invention discloses defrosting methods for a double-system air-cooling refrigerator. The defrosting methods comprise the freezing chamber defrosting method and the refrigerating chamber defrosting method. The freezing chamber defrosting method comprises the following steps that A1, the accumulative operating time of a compressor is collected; A2, the temperature difference of a freezing chamber is collected; and A3, the compressor is controlled to stop, freezing defrosting electric heating equipment is controlled to start or stop according to the surface temperature of a freezing chamber evaporator, then the compressor is controlled to start, and a refrigerating fan is controlled to work. The refrigerating chamber defrosting method comprises the following steps that B1, the accumulative operating time of the compressor is collected; and B2, a refrigerating chamber is controlled to stop refrigeration, a refrigerating fan motor is controlled to work, and then refrigerating defrosting electric heating equipment is controlled to start or stop and the compressor is controlled to operate according to the surface temperature of a refrigerating chamber evaporator. According to the defrosting methods for the double-system air-cooling refrigerator, the defrosting process is adjusted in a fine mode by using the existing defrosting technology, the defrosting energy consumption is further lowered, and high-efficiency defrosting control is realized.

A refrigeration and freezing device with fresh-keeping function by supplying nitrogen comprises a box body, a refrigerating and freezing chamber disposed inside the box body, a door to the refrigerating and freezing chamber, a control device and a nitrogen generator; wherein said nitrogen generator is disposed either inside or outside the box body of the refrigeration and freezing device, said nitrogen generator comprises an air inlet, an oxygen outlet, a nitrogen outlet, an air filter connected with the air inlet, a compressor, a pipe device for transmitting gas, at least one carbon molecular sieve absorber, at least one control valve to control different absorbers to work alternately, a nitrogen storage container, a nitrogen purifier, a pressure reducing valve for adjusting the pressure of the produced nitrogen, a ventilating muffler disposed on a pipe to the oxygen outlet and a control circuit.

The invention discloses a die-casting mechanism of a horizontal freezing chamber vacuum die-casting machine. The die-casting mechanism comprises a pressure chamber, a die-casting die, a vacuum valve, a punch, an injection rod, a first stop valve, a first vacuum system, a second stop valve, a second vacuum system, a control device and a displacement sensor. The die-casting die comprises a fixed die body and a movable die body, the movable die body and the fixed die body are matched, and therefore a cavity, an inner gate and an exhausting way are formed. The vacuum valve is arranged in a valve cavity in the fixed die body. The punch is fixedly connected with the injection rod. The pressure chamber is provided with a casting gate and a pipe connecting joint, the pipe connecting joint is connected with a second vacuum pipe, the other end of the second vacuum pipe is connected with the second stop valve, and the second stop valve is connected with the second vacuum system. The control device is used for controlling operation of the first vacuum system and the second vacuum system and controlling opening and closing of the first stop valve and the second stop valve. The die-casting mechanism has the beneficial effects of being good in vacuumizing effect, easy and convenient to arrange and maintain, low in fault rate and long in service life.

There is provided a refrigerator. In the refrigerator, a blower fan is installed in a refrigerant body to blow a cold air, a barrier partitions an inner space of the refrigerator body into a freezing chamber and a chilling chamber, an ice machine is installed in the chilling chamber, a freezing air duct is connected with the ice machine for passing the cold air blown by the blower fan, a chilling air duct is connected with the chilling chamber for passing the cold air blown by the blower fan, and a cold air return duct is provided to pass the cold air discharged from the ice machine toward an evaporator where the cold air is cooled by exchanging heat with a refrigerant.

The invention discloses a variable volume type freezing and refrigerating storage two-unit joint operating device and an operating method thereof. The original traditional independent air supply and return system is integrated, two air-cooling evaporators are both connected with air supply ports and air outlets of a freezing chamber and a refrigerating chamber, different combinations are realized through opening and closing of air valves in a two-unit cooperated air supply passage, and a twice-air-supply and twice-air-return operating manner and a twice-air-supply and once-air-return operating manner are respectively realized. Meanwhile, in order to improve the utilization rate of a cold storage, the volume ratio of the freezing chamber to the refrigerating chamber is adjusted in real time through adjusting a heat insulation separation plate between the freezing chamber and the refrigerating chamber, cold capacity distribution is performed on the freezing chamber and the refrigerating chamber according to needs, and fast cooling and optimum storage of food are realized.

The invention discloses a variable greenhouse refrigerator comprising a refrigerator body and an evaporator which is arranged in the refrigerator body and plays a role of cooling, wherein a cavity enclosed by the refrigerator body is divided into a freezing chamber and a refrigerating chamber and is further divided into at least two variable temperature chambers which are provided with temperature sensors used for sensing the temperature and transmitting the temperature information obtained to a controller of the refrigerator. In the invention, as at least two variable temperature chambers are arranged, the storage modes of articles are more diverse. In addition, when two variable temperature chambers are arranged, the storage modes of articles are more under the premise that refrigerating load of the system is not excessively increased; moreover, when the volumes of the two variable temperature chambers are not equal, especially one is two times of the other one, in the practical life of a user, the variable greenhouse refrigerator can meet the requirements of diversification of the storage modes of the articles and the storage capacity better.

The invention discloses an air cooled refrigerator. The air cooled refrigerator comprises a refrigerator body and an air duct assembly, wherein the refrigerator body is provided with a freezing chamber liner; the air duct assembly is arranged in the refrigerator body. The air duct assembly comprises a front cover, a rear cover, an axial flow fan and an evaporator, wherein the front cover is provided with a top air supply outlet, a middle air supply outlet and a bottom air supply outlet; the rear cover is arranged at the rear side of the front cover so as to form an air supply cavity between the rear cover and the front cover; the rear cover and the rear side wall of the freezing chamber liner are separated so as to define a heat exchange cavity; the rear cover is provided with an air inlet; the air inlet is respectively communicated with the heat exchange cavity and the air supply cavity; the top air supply outlet, the middle air supply outlet and the bottom air supply outlet are respectively communicated with the air supply cavity; the axial flow fan is arranged at the top part of the rear cover; the evaporator is arranged in the heat exchange cavity. According to the air cooled refrigerator disclosed by the invention, the air duct assembly is simple in structure, and moreover, a traditional air deflector and air door structure used for air guiding is canceled, so that the air duct structure of the air cooled refrigerator is simpler, the control is convenient, and the cost is low.

The invention discloses a refrigerator with an electromagnetic field assisted fresh keeping property. The refrigerator comprises a refrigeration system and a magnetic field treatment system, wherein the refrigeration system comprises a compressor, an oil separator, a condenser, a liquid storage tank, a dry filter, a liquid observation mirror, an electromagnetic valve, a first capillary tube, a second capillary tube, a first evaporator, a second evaporator, a check valve, a pressure reducing valve and a gas-liquid separator; the magnetic field treatment system comprises helmholtz coils, an adjustable stabilized voltage supply, a refrigeration chamber and a freezing chamber; the first evaporator is arranged inside the refrigeration chamber; the second evaporator is arranged inside the freezing chamber; the central zones of the helmholtz coils can generate magnetic fields; and the adjustable stabilized voltage supply is used for adjusting the magnetic field frequency, electromagnetic treatment time and magnetic field intensity. According to the refrigerator, the temperature and humidity control of a food storage environment can be achieved, the magnetic field intensity in a storage chamber can be regulated as well, a biological electromagnetic effect of sterilization, quick freezing facilitation and free radical removal is generated, and the effect of improving the food fresh keeping quality is improved.