32results about How to "Reduce air conditioning" patented technology

A core-shell nanoparticle which includes a core formed of a transparent material and a shell including vanadium dioxide (VO2) doped to have a semiconductor-metal phase transition within a range of 10° C. to 40° C. A ratio of thicknesses of the core to the shell is in a range of 1:1 to 50:1.

Proposed is a performance detection method for use in detection of performance characteristics of air conditioning equipment. The method includes, for the standard operational status for the air conditioning equipment, capturing a plurality of standard operational parameters to generate performance models; and, during the actual operational status, capturing a plurality of actual operational parameters for conducting analysis based on performance models so as to determine the performance characteristics of the air conditioning equipment and send out a warning when the performance characteristics of the air conditioning equipment are determined to be abnormal. The invention improves on the detection accuracy of prior techniques and enables effective control of air conditioning equipment that eventually saves electrical power and costs as a result.

An air conditioner includes an air conditioning case for defining an air passage through which air flows into a vehicle compartment, a functional member located in the air conditioning case for performing air conditioning of the vehicle compartment, an outside wall member arranged outside a side wall of the air conditioning case to form a clearance with the side wall, and a coupling part through which the outside wall member is integrated with the side wall. In this air conditioner, the outside wall member is located across approximately a projected line of a central line of the functional member extending in a longitudinal direction of the functional member, projected onto the side wall. Therefore, a vibration of the air conditioning case can be reduced, and a noise generation can be effectively restricted.

An air conditioner includes an air conditioning case for defining an air passage through which air flows into a vehicle compartment, a functional member located in the air conditioning case for performing air conditioning of the vehicle compartment, an outside wall member arranged outside a side wall of the air conditioning case to form a clearance with the side wall, and a coupling part through which the outside wall member is integrated with the side wall. In this air conditioner, the outside wall member is located across approximately a projected line of a central line of the functional member extending in a longitudinal direction of the functional member, projected onto the side wall. Therefore, a vibration of the air conditioning case can be reduced, and a noise generation can be effectively restricted.

The invention discloses a phase change fresh air pipeline system based on sky radiation and solar heat collection. A phase change pipe section is installed on an air inlet pipeline of a fresh air handling unit, a surface air cooler is installed in the fresh air handling unit, and a fresh air machine is installed on an air supply pipeline of the fresh air handling unit. A water outlet pipe of the phase change pipe section communicates with the inlet pipe ends of a solar heat collector and a sky radiation cooler, the outlet pipe ends of the solar heat collector and the sky radiation cooler communicate with the water outlet pipe of the phase change pipe section, and a circulating working medium pump is installed on the water outlet pipe. The phase change fresh air pipeline system has the beneficial effects that by arranging a phase change working medium formed by shaping a phase change material is arranged in the phase change pipe section, a heat-carrying circulating working medium of a capillary circulating pipe substitutes heat or cold into a shaping phase-change working medium, and the shaping phase change working medium can conduct corresponding phase change cold storage or heat storage. Through heat dissipation of the phase change pipe section and heat exchange with flowing fresh air, cold is supplied to the fresh air flowing through the phase change pipe section all day long in summer, heat is supplied to the fresh air flowing through the phase change pipe section all day long in winter, and energy conservation and environment protection are achieved.

In a vehicle air conditioner, a blower case for accommodating a blower is connected to an air conditioning case for accommodating an evaporator and the like by a connection duct made of a vibration-absorption material. Therefore, a vibration, transmitted from the blower case to the air conditioning case, can be effectively absorbed by the connection duct, thereby reducing the vibration transmitted from the air conditioning case to a steering wheel unit through a supporting member.

The invention provides a heat pump type ground energy storage air-conditioning system. The heat pump type ground energy storage air-conditioning system comprises a heat pump unit, an air-conditioning heat exchange tail end, a refrigerant and a refrigerant circulation system; the heat pump type ground energy storage air-conditioning system is characterized by further comprising a ground energy storage area; the ground energy storage area is formed by an energy storage body and a refrigerant pipe paved in the energy storage body, and the energy storage body is ground deep soil, rock, a civil engineering pile foundation or a closed water-bearing stratum; and the heat pump type ground energy storage air-conditioning system further comprises a soil energy collector paved on the shallow layer of the ground surface, and the soil energy collector is a plastic capillary network heat exchanger and used for collecting heat or cold in the soil. The problem that a conventional air-conditioning system is high in energy consumption can be solved, and the problems that at present, a ground source heat pump air-conditioner is strict in using condition and small in application scope are solved.

The invention discloses a gas film hole for a gas turbine and a gas film hole for the gas turbine. The gas film hole comprises a gas inlet hole section and a gas outlet hole section, the first end ofthe gas outlet hole section communicates with the second end of the gas inlet hole section, the peripheral outline of the cross section of the air outlet hole section is roughly triangular and comprises a first arc section, a second arc section and a third arc section, the first arc section, the second arc section and the third arc section correspond to three corners of a triangle in a one-to-onemode, the second arc section and the third arc section are mutually symmetrical, every two adjacent arc sections of the first arc section, the second arc section and the third arc section are connected through a tangent line section, and the tangent line section connecting the second arc section and the third arc section is an arc section and is bent towards the first arc section. According to thegas film hole for the gas turbine, the required cold air amount can be reduced, then the cooling performance is improved, and therefore the unit efficiency is improved.

A vehicle air conditioner includes a heat pump system and an air conditioner ECU that controls the heat pump system. An operation mode of the heat pump system includes an air cooling mode, an air heating mode, a serial dehumidification air-heating mode, a parallel dehumidification air-heating mode, a battery-only cooling mode, and an air-cooling battery-cooling mode. The air conditioner ECU separately sets conditions for permitting cooling of a battery, depending on the operation mode.

Versions of the disclosure relate to multilayer flats for germinating seeds and growing plants in aeroponic or hydroponic farming. The multilayer structure can include a soilless growth medium sandwiched between a support layer and a light barrier layer. The support layer includes openings that allow plant roots to be sprayed with a nutrient solution and the light barrier layer includes openings that allow plants to develop while limiting the growth of harmful algae on the soilless growth medium.

The invention discloses an inclination device of a refrigerator door, which comprises a door which selectively opens and closes a storage space and has the head inclining a specified angle taking the lower end as the centre, a basket frame which is connected to the inside of the door and used for arranging the basket, wherein, an inserted pin component is arranged at one side of the door of the basket frame, while a pinhole is arranged at the other side of the door of the basket frame; and the position of the inserted pin component is corresponding to the pinhole on the condition of sealing the storage space by the door. The inserted pin component comprises a pin boss fixed at one side of the door inside, a fixing part arranged at two ends of the pin boss and a pin rod which is arranged in the pin boss, can do a linear motion in the left-right direction and is selectively inserted into the pinhole; a long slot is formed on the pin boss along the motion direction of the pin rod; and a control rod which is arranged on the pin rod and passes through the slot and projects outside the pin boss. The refrigerator door inclination device of the invention can be used for selecting to make the door incline or not incline according to the user demand.

A refrigerator has a storage compartment (3) for cooling and storing articles, a cooler (5) for generating cool air, a discharge passage (20) allowing the cool air generated by the cooler (5) to flow along the rear surface of the storage compartment (3) and having a discharge opening (20c) for discharging the cool air, a return passage (23) placed parallel to the discharge passage (20), having return openings (23a, 23b) into which the cool air flows from the storage compartment (3), and allowing the cool air flowing from the return ports (23a, 23b) to return to the cooler (5), and a member (27) formed of a good thermal conductor disposed on those sides of the discharge passage (20) and the return passage (23) which face the storage compartment (3). The discharge passage (20) and the return passage (23) are merged together on the downstream side of the return ports (23a, 23b).

The invention discloses a turbine motor of gas turbine; the turbine motor comprises a casing, a turbine motor entrance, a turbine motor exit, a turbine rotor, four-level fixed blades, and four-level movable blades. The turbine rotor comprises four impeller disks and three intermediate disks; the four impeller disks and the three intermediate disks are alternately arranged along an axial direction, and are connected together via a group of pull rods. The fixed blades are mounted on the fixed casing, and an impingement cooling sleeve is arranged therein, film holes are arranged on the surface thereof, and a convection cooling channel is arranged on the trailing edge thereof. The movable blades are mounted on one side of the rotor and revolve together with the rotor, wherein three levels are hollow structures, a double-snakelike cooling channel and multiple groups of herringbone fins are arranged therein. The fixed blades and the movable blades are alternately arranged in the axial direction of the rotor, and form a gas combustion channel therein. When the gas turbine is running, the turbine motor is able to effectively change the thermal energy of the high-temperature gas into the mechanical energy for rotating the rotor, and ensure the safety of the mechanical movement by sufficient and reasonable cooling.

The invention discloses a double-layer wall outer circle structure of a gas turbine, and belongs to a gas turbine structure. The double-layer wall outer circle structure of the gas turbine comprises an annular impact wall and blades. The impact wall comprises an outer wall body and an inner wall body. A plurality of impact holes are uniformly formed in the outer wall body. Lateral wall bodies are arranged at the two ends of the outer wall body. Supporting edges are arranged under the lateral wall bodies, and the inner wall body is located on the supporting edges. A plurality of air film holes are uniformly formed in the inner wall body. The inner wall body is connected with the outer wall body through a connecting mechanism. Under the condition that the gaps between blade tips and the outer circle inner wall body keep unchanged, the relative movement speed of the blade tips and the inner wall body is lowered through rotation of the inner wall body, and the pneumatic loss caused by relative movement is lowered by 5-10%. Due to rotation of the inner wall body, the speed of leaking fuel gas in the blade tip gaps and near the inner wall body is lowered, and the density-flow ratio between cold air sprayed by the air film holes and the leaking fuel gas in the gaps is improved, which means that the needed cold air amount is reduced in order to reach a certain cooling effect.

The invention discloses equipment and a process for producing melamine under a low pressure. The process comprises the following steps of: (1) atomizing molten urea, introducing into a reactor, and reacting by taking gas ammonia as a reaction carrier gas in a reactor under the condition that the temperature is 380-410 DEG C and the pressure is 0.1-1.4MPa to generate melamine, carbon dioxide, ammonia and a deamination product of melamine; (2) after reacting, crystalizing the deamination product, filtering, cooling the filtered gas with a quenching medium, and separating to obtain a finished product; (3) absorbing the gas left after separation with water to form a methylamine solution and a mixed gas; and (4) rectifying the mixed gas under the condition that the temperature is between 30 DEG C below zero and 30 DEG C to form ammonia gas, and returning the ammonia gas to the step (1) for serving as a reaction carrier gas or / and returning to the step (2) for serving as quenching medium. The invention further discloses equipment for producing melamine under a low pressure. The equipment and the process have the advantages of good product quality, high production efficiency, low energy consumption, environmental friendliness, simple process, and the like.

The invention relates to a refrigeration device with a water filter. The refrigeration device is provided with the water filter (12). The water filter (12) is arranged in a storage chamber (11) of the refrigeration device and comprises a shell (15) and a water filter cylinder (18), wherein the shell (15) comprises a main shell body (28) fixed to the top wall (4) of the storage chamber (11) and provided with an opening (3) and a cover (14) sealing the opening (3); the water filter cylinder (18) is located in the shell (15). According to the refrigeration device, when the cover (14) seals the opening (3), one end (6) of the cover (14) extends to the top wall (4) of the storage chamber (11).

The invention discloses a method for designing the inlet guide vane profile of a gas turbine. The isentropic Mach number distribution and characteristic parameters of the inlet guide vane profile surface are acquired through simulation, and the low-load area and inlet attack of the inlet guide vane profile surface are obtained. Angle; cut off the low load area of ​​the leading edge of the inlet guide vane by cutting off the front edge to build a high load inlet guide vane, and increase the inlet angle of attack of the inlet guide vane to increase the inlet guide vane In order to keep the axial installation space of the blade in the aero-engine unchanged, the inlet guide vane profile is enlarged and the parameters are reconstructed, so that the distribution of aerodynamic parameters on the surface of the inlet guide vane is reasonable, the aerodynamic loss is small, and the inlet After the guide vane is enlarged, the blade grid pitch of the turbine is enlarged correspondingly, and the number of blades of the turbine is correspondingly reduced in proportion, thereby reducing the amount of cold air used for the inlet guide vane and reducing the manufacturing cost.