50results about How to "Improve energy efficiency rating" patented technology

The invention discloses a double-cylinder two-stage compressor and an air conditioner system. The double-cylinder two-stage compressor comprises an air cylinder, a lower flange, a lower flange cover plate, a transfiguration pin, a transfiguration spring, a first sliding piece, a second sliding piece and a filter. The air cylinder is sequentially provided with a first sliding piece groove, a first exhaust opening, a second sliding piece groove and a second exhaust opening communicated with the second sliding piece groove in the peripheral direction. The lower flange is provided with a pin hole and a pressure switching hole. The lower flange cover plate is provided with a gas communication groove for communicating the pin hole and the pressure switching hole. The transfiguration pin is arranged in the pin hole. The transfiguration spring is connected with the lower flange cover plate and the transfiguration pin. The first sliding piece is arranged in the first sliding piece groove. The second sliding piece is arranged in the second sliding piece groove and is provided with a positioning groove for positioning the transfiguration pin and an exhaust matching groove communicated with the second exhaust opening. An outlet of the filter is communicated with the pressure switching hole, a first inlet of the filter is communicated with a flash evaporator air outlet through a first solenoid valve, and a second inlet is communicated with an exhaust pipe through a second solenoid valve. The double-cylinder two-stage compressor achieves switching between larger discharge amount and smaller discharge amount by changing the exhaust opening, and the application range is broadened.

Provided are a rapidly synthesized polishing-free cordierite ceramic sheet for a microwave oven and a production method of the rapidly synthesized polishing-free cordierite ceramic sheet. The production method comprises the following steps: basic materials including 35-55% of mullite, 15-35% of attaclay, 10-25% of black soil, 0-10% of cordierite, 0-10% of petalite, 0-5% of kaolin, 0-2% of calcium carbonate, 0-2% of potassium feldspar and 0-10% of Al2O3 are prepared according to weight ratio, the additives are polyvinyl alcohol (PVA) and sodium humate, the above all powdery basic materials are subjected to ball-milling to be crushed, the two additives are added into the basic material and are subjected to proper ball-milling to be fully mixed, then the basic materials and the additives are screened through a screen with 200-400 meshes, the iron in the basic materials and the additives is attracted, then the basic materials and the additives are sprayed with mist, dried to make powder, mechanical pressed, applied with glaze, and rapidly sintered at the intermediate temperature of 1220-1300 DEG C to make the product. According to the invention, the raw ores of mullite and attaclay are used to make the sheet, so that the cost of raw materials is greatly lowered, the glaze can be co-fired at one time, and the cordierite crystalline phase is rapidly synthesized by taking advantages of lattice imperfection of various raw mineral materials. The sheet can be pressed very thin and flat so as to avoid polishing.

The invention discloses a washing box component of a washing machine. The washing box component of the washing machine comprises a washing box body, wherein the washing box body is provided with at least two water inlet valves connected with a water inlet pipe; a turbo type mechanism is arranged in the washing box body; the water inlet valves are alternately opened or closed, or different quantities of water is introduced into the turbo type mechanism to enable the turbo type mechanism to rotate along a clockwise or anticlockwise direction; through the high-speed impact of the water feeding of the water valve, a turbo can repeatedly act and rotate in the washing box, and therefore, detergent is fully stirred to realize the full solving of the detergent. The washing machine with the washing box component has the advantages of high washing ratio, high energy level and good user use experience, and the detergent is difficult in causing pollution and residues.

The invention discloses an air conditioner control method. The air conditioner control method comprises the following steps that the outdoor environment temperature and operating parameters of an air conditioner are obtained, and the operating parameters comprise at least one of the shutdown duration and the exhaust temperature; a first duration and/or a first temperature are/is determined according to the outdoor environment temperature; and when it is judged that the exhaust temperature is lower than the first temperature and/or the shutdown duration is longer than the first duration, the air conditioner is controlled to preheat a compressor. The invention further discloses the air conditioner and a computer readable storage medium, and the effect of avoiding the situation that the air conditioner cannot be started in an extreme environment is achieved.

The invention provides a rotary type compressor and a gas-liquid separator thereof. According to the invention, the gas-liquid separator comprises a liquid separator cylinder body, and an air suction pipe, an air exhaust pipe and a connecting pipe which are respectively and fixedly connected with the liquid separator cylinder body, wherein a first end of the connecting pipe is communicated with acavity of a lower flange which is connected with an air exhaust side of a low-pressure compressive structure of the rotary type compressor and penetrates in the liquid separator cylinder body, and a second end of the connecting pipe penetrates out the liquid separator cylinder body and is communicated with an air suction cavity of a high-pressure compressive structure of the rotary compressor. According to the invention, the rotary type compressor comprises the low-pressure compressive structure, the high-pressure compressive structure and the compressor cylinder body, and the rotary type compressor also comprises the gas-liquid separator, wherein the gas-liquid separator is installed on the outside of the compressor cylinder body. The gas compressed by the low-pressure compressive structure can be exhausted and flows in the high-pressure compressive structure by the connecting pipe, and the gas flowing through the connecting pipe can generate heat exchange with the gas-liquid separator when passing through the connecting pipe and meanwhile the temperature of the gas can be lowered, thus the performance and reliability of the compressor can be improved.

The embodiment of the invention discloses a wind power device, and belongs to the technical field of air conditioner energy conservation. The wind power device comprises an impeller, a generator, a power transformation circuit and a storage battery; the impeller is arranged in front of an air outlet grid of an air conditioner outdoor unit and is connected with a generator rotating shaft; the powertransformation circuit receives alternating current electric energy output by the generator and converts the alternating current electric energy into a storage battery charging voltage; and the storage battery stores direct current energy output by the power transformation circuit. According to the wind power device, after the air conditioner outdoor unit is started, an external fan runs, forcedconvection is formed between the air conditioner outdoor unit and the impeller of the wind power device, and wind energy is converted into electric energy and stored in the storage battery; and when the air conditioner is in a standby or shutdown state, the electric quantity stored in the storage battery can be used to keep a signal receiving device in the machine and the components needing keeping active to be kept active all the time, and the standby or shutdown power consumption of the air conditioner is 0. The embodiment of the invention further discloses an air conditioner, a control method and a computer readable storage medium.

The invention relates to an automatic vending machine. The automatic vending machine comprises a cabinet, the internal of the cabinet is provided with a commodity display region, a refrigeration region below the commodity display region, and a commodity output region on the front side of the commodity display region. The refrigeration region is provided with a refrigeration unit. The refrigeration unit comprises an evaporator, a compressor, and a condenser. The evaporator and the commodity display region are communicated by airflow. The refrigeration region is internally provided with a thermal baffle. The left, right, and rear side edge portions of the thermal baffle are abutted against corresponding inner side walls of the cabinet. The thermal baffle separates the refrigeration region into an upper layer space and a lower layer space. The evaporator is in the upper layer space. The compressor and the condenser are arranged in the lower layer space. Through arranging the thermal baffle which can separate the refrigeration region into two spaces of an upper space and a lower space in the refrigeration region, the lower part space of the whole refrigeration region is independently isolated. Since thermal transmission would not occur between the lower layer space and the upper layer space, volume of the refrigeration region in the cabinet is reduced. Therefore, the energy efficiency of an automatic vending machine appliance is improved.

The invention discloses a washing control method of a washing machine and the washing machine. According to the method, the washing process of the washing machine is divided into at least two washing stages, and in each washing stage, a wash bucket corresponds to different inclination angles. The control method can also divide the washing process of the washing machine into T washing stages according to the energy efficiency parameter of the washing machine, wherein T is larger than or equal to 2, and the energy efficiency parameter includes one or an arbitrary combination of power consumption of the unit efficiency, water consumption of the unit efficiency and the washing ratio. The washing process of the washing machine is divided into several washing stages, through the cooperation with the inclination angle of the wash bucket, the washing control method of the washing machine is optimized, the washing effect is improved, and the energy consumption is reduced.

The invention discloses a refrigerating device, a constant-speed compressor system and a starting running low-power-consumption control circuit of the constant-speed compressor system. The constant-speed compressor system comprises a starter and a main control panel. The starting running low-power-consumption control circuit comprises a first controllable switch unit arranged on the main control panel, a second controllable switch unit arranged on the main control panel, and a control chip arranged on the main control panel, wherein the first controllable switch unit is connected with a constant-speed compressor through the starter; the second controllable switch unit is connected with the constant-speed compressor through the starter; the control chip is used for controlling the second controllable switch unit to be closed at first when receiving a starting instruction of the constant-speed compressor, controlling the first controllable switch unit to be closed to connect an alternating current power source to supply power to the constant-speed compressor after the second controllable switch unit is closed, and controlling the second controllable switch unit to be opened to cut off a power supply loop of a PTC resistor in the starter after the constant-speed compressor is started, and the purpose of zero power consumption of the starter is achieved when the constant-speed compressor runs.

The invention discloses an air conditioner and a control method and a control device thereof. The control method of the air conditioner comprises the following steps that when an adjusting signal is received, whether the operating parameters of the air conditioner under the current operating condition are the same as the preset operating parameters are judged; the air conditioner is controlled torun for first preset time according to preset running parameters if the operating parameters of the air conditioner under the current operating condition are different from the preset operating parameters; the outdoor environment temperature and outdoor coil temperature in an outdoor unit are acquired; the air conditioner is controlled according to the exhaust temperature if the difference value between the outdoor coil temperature and the outdoor environment temperature is smaller than the first preset value; if the difference value between the outdoor coil temperature and the outdoor environment temperature is larger than or equal to the first preset value, the rotating speed of a first motor and/or a second motor is adjusted. According to the control method, self-learning and self-optimization of the air conditioner in the running process are realized, so that the air conditioner can play a larger capacity, and a higher energy efficiency grade is achieved.

The invention provides an E0-stage air compression and treatment system, and a box body is internally and sequentially connected with an air filter core, a double-stage variable frequency air compressor, a coarse filter, a post-cooling system, a precision filter, a cold dryer, an ultra-precision filter, a post-treatment degreaser and an air treatment host. The air can filter large particles of impurities through the air filter and enters the two-stage variable frequency air compressor to obtain compressed air; the solid or liquid particles greater than 3 microns in the compressed air are filtered by the coarse filter; the solid or liquid particles greater than 0.01 microns and 99.99% of oil mist are filtered by a cooling system and the precision filter; the solid or liquid particles greater than 0.01 microns and 99.999% of oil mist are filtered by the cold dryer and the ultra-precision filter; the oil in the compressed air is filtered by the post-treatment degreaser; and finally the air is treated by a molecular sieve adsorption container in the air treatment host to achieve the ISO8573.1E0-stage standard compressed air.

The invention provides a planetary mill. The planetary mill comprises a feed inlet, a distribution plate, a planetary roller revolution driving arm, planetary rollers, a planetary roller sleeve, a planetary roller track bushing, a material to-be-milled step, a revolution driving mechanism, a machine body and the like. Ores which are crushed to be less than 20 millimeters in advance are subjected to step-by-step, repeated rolling and overflow discharge through six planetary rollers on an upper layer, a middle layer and a lower layer. Any fineness required by a process can be achieved only by controlling the feeding speed of materials and the revolution angular velocity of the planetary rollers. According to the process requirement, an external high-efficiency energy-saving powder concentrator can be configured to form closed-circuit grinding.

The invention discloses a testing method of a range hood, the testing method comprises the following steps: performing constant power control on the fan of the range hood according to set power to obtain M performance points to be selected of the fan and fan efficiency corresponding to each performance point to be selected; the performance point to be selected is a data pair of the air volume and the air pressure of the fan when the efficiency of the fan meets a set condition; M is an integer greater than or equal to 1; determining a target performance point from the M performance points to be selected according to the set power and the fan efficiency; the target performance point is the performance point to be selected enabling the energy efficiency grade of the range hood to be not lower than a target grade; and determining target operation parameters of the range hood according to the target performance point. According to the method, the development speed of improving the energy efficiency level of the whole range hood is remarkably increased, and the process cost and the installation cost are reduced.

The invention relates to a door-lifting type display cabinet. The door-lifting type display cabinet comprises a cabinet body and a cabinet door; the cabinet body comprises a top plate; a cabinet dooropening is formed in a front side of the cabinet body; the cabinet door covers the cabinet door opening; the cabinet door and the cabinet body are connected together through a supporting mechanism; agap is formed between a top edge of the cabinet door and the top plate of the cabinet body; a shielding cover plate is disposed between the cabinet door and the top plate; one side edge of the shielding cover plate is hinged to a top surface of the top plate, and the other side edge of the shielding cover plate is placed on an outer surface of the cabinet door, and in this way, the shielding coverplate can block the gap formed between the cabinet door and the top plate. The door-lifting type display cabinet is simple in structure, is reasonable in design, can block the gap formed between thecabinet door and the top plate during closing and opening of the cabinet door, can effectively ensure clean and healthy food in the cabinet body, can improve the energy efficiency level, and can prevent bacteria and pests.

The invention discloses a refrigeration device, a constant-speed compressor system and a startup operation low-power consumption control circuit thereof. The constant-speed compressor system comprises a main control panel and a PTC resistor arranged on the main control panel. The low-power consumption control circuit comprises a first controllable switch unit, a second controllable switch unit and a control chip arranged on the main control panel, wherein the first controllable switch unit is connected with a constant-speed compressor through a connector; the second controllable switch unit is connected with the constant-speed compressor through the PTC resistor and the connector; and the control chip is used for controlling the second controllable switch unit to be firstly closed while receiving a start command of the constant-speed compressor, controlling the first controllable switch unit to be closed after the second controllable switch unit is closed, so as to connect an alternating current power supply to supply power to the constant-speed compressor, and controlling the second controllable switch unit to be turned off after the constant-speed compressor is started, so as to cut off a power supply circuit of the PTC resistor. According to the constant-speed compressor system, the purposes that the constant-speed compressor is started without the assistance of a starter and the operation power consumption of the constant-speed compressor is reduced are achieved.