41results about How to "Improve cooling/heating efficiency" patented technology

The invention discloses a control method of a room air conditioner. The method comprises the following steps that a silent mode of the air conditioner is started; the practical environment noise of a located room of the air conditioner is detected; the target noise during the operation of the air conditioner is regulated according to the practical environment noise, wherein the practical environment noise is greater than the target noise. The control method of the room air conditioner has the advantages that the work capability and the noise of the air conditioner are considered, higher refrigeration / heating efficiency is realized, and meanwhile, the noise disturbing on users is avoided. The invention also provides a control system of the room air conditioner and an air conditioner.

Provided is an air conditioning system using ground heat. The system includes one or more indoor units, at least one outdoor unit, a ground heat exchanger, and a plurality of auxiliary heat sources. The one or more indoor units condition indoor air. The at least one outdoor unit communicates with the indoor units via a plurality of pipes, and includes an outdoor heat exchanger where heat exchange occurs. The ground heat exchanger is connected with the outdoor heat exchanger of the outdoor unit, and laid under the ground to allow heat to be exchanged between ground heat and a circulating medium circulating through the ground heat exchanger. The plurality of auxiliary heat sources are installed on one side of the outdoor unit to assist heat exchange of the outdoor heat exchanger. Two or more auxiliary heat sources are simultaneously used, or one of them is selectively used.

The invention discloses a composite solar photovoltaic hot-water cold supply and heating system for a building, which mainly comprises a solar photovoltaic hot water sunshade plate, a semiconductor refrigerating assembly, a separate heat pipe with a short pipe bundle, an integral gravity heat pipe, a heat exchange header and the like. The system is characterized in that the solar photovoltaic hot water sunshade plate and the semiconductor refrigerating assembly form a loop to realize indoor refrigeration and heat supply in summer and in winter by using solar power generation respectively; and the separate heat pipe, the integral gravity heat pipe, the heat exchange header, a coil pipe, a water tank and the like form a hot water system to generate hot water when cooling and heating of the semiconductor refrigerating assembly are realized in summer and in winter respectively. The system solves the problem that heating and hot water generation cannot be realized at the same time in the combined application of the traditional solar photovoltaic power generation and semiconductor refrigerating assemblies; and the introduction of the separate heat pipe and the gravity heat pipe improves the refrigerating and heating efficiency and enlarges the application range.

The invention belongs to the field of control over central air-conditioners and provides an optimal control method and system of a central air conditioner water pump. The central air conditioner water pump comprises a chilled water pump and a cooling water pump. The method includes the steps of regularly detecting whether the water outlet temperature of the chilled water pump is higher than the preset minimum water outlet temperature or not; if yes, carrying out PID adjustment on the frequency of the chilled water pump according to the preset return water supply temperature difference or preset return water supply pressure difference or forecasting loads of the chilled water pump; regularly detecting whether the current wet bulb temperature is smaller than or equal to the preset minimum wet bulb temperature; if yes, carrying out PID adjustment on the frequency of the cooling water pump according to the preset return water supply temperature difference of the cooling water pump; and if not, detecting the current water draining temperature of the cooling water pump and adjusting the frequency of the cooling water pump according to the current water draining temperature. The optimal control method and system of the central air conditioner water pump can adjust the frequency of the chilled water pump and the frequency of the cooling water pump dynamically, and lower the energy consumption of a central air conditioner system while effectively improving the refrigeration / heating efficiency of the central air conditioner system.

An auxiliary air conditioning apparatus may include a blower unit, wherein a blower may be provided therein to forcibly blow intake air, a temperature control unit fluid-connected to the blower unit to receive air blown from the blower unit, wherein the temperature control unit includes an evaporator and a heater therein and may be connected to an air duct to exhaust air that may be cooled by the evaporator or heated by the heater, an auxiliary temperature control unit fluid-connected to the blower unit to receive air blown from the blower unit and fluid-connected to the air duct, wherein the auxiliary temperature control unit includes a heat exchanger core provided therein, the heat exchanger core having a thermoelectric device, an auxiliary power supply supplying electrical power to the blower and the heat exchanger core, and an auxiliary cooling / heating control unit controlling operation of the blower and the heat exchanger unit.

An air conditioner is disclosed, which is suitable for improving its configuration and facilitating its assembly. The present invention includes a cabinet via which air is sucked or blown, a shroud guiding an air flow within the cabinet, a motor provided within the cabinet to forcibly circulate the air within the cabinet, an air guide penetrated by a rotational shaft of the motor, and a motor mounter coupled to the shroud to securely mount the motor thereon. Accordingly, the assembly configuration is simple and the corresponding assembly process is convenient, the vibration of the motor can be minimized, the assembly is facilitated, and the migration of the cold or hot air can be securely cut off.

The invention provides an active radiant panel heat exchange system and a heat exchange processing method thereof. The active radiant panel heat exchange system integrates radiant heat exchange and active heat convection. In the process of implementing the heat exchange processing method, heat exchange can be performed via radiation and environment, and a fan can be utilized to actively force the active radiant panel heat exchange system to perform heat convection, so that air can be heated / cooled, temperature difference between supplying water and returning water of a radiant panel can be enlarged, heating efficiency of the active radiant panel heat exchange system is improved, cool and heat supplying capability of the radiant panel are enhanced, the problems that the radiant panel system in the prior art is limited in cool and heat supplying capability and difficult to popularize in use are solved, certain humidity load can be eliminated when fresh air and return air are processed, and the defect that traditional radiant systems cannot dehumidify is overcome. The active radiant panel heat exchange system and the heat exchange processing method thereof have the advantages that a novel resolution is provided for a radiant panel air-conditioning system, and a broad marketing application prospect is realized.

The present invention provides an indoor unit of air conditioner, which has right and left air sucking ports and front display and possesses effective stereo cooling and heating and raised operation convenience. The indoor unit of air conditioner includes a casing with side air sucking ports and opened top, a display set in the front of the casing to show the operation state of the air conditioner, a diffuser capable of being lifted on the casing and with air exhaust port, a blower set inside the casing to force airflow from the air sucking port to the air exhaust port, and a heat exchanger set in the air sucking ports for heat exchange of air through the blower.

The scroll compressor includes a fixed scroll including a first wrap, an orbiting scroll disposed to have a phase difference with respect to the fixed scroll, the orbiting scroll including a second wrap defining a compression chamber together with the first wrap, a suction part to receive a refrigerant into the compressor chamber, a driving shaft to transmit a rotation force to the orbiting scroll, a first injection part disposed in one position of the fixed scroll to introduce a refrigerant into the compression chamber, and a second injection part disposed in another position of the fixed scroll to introduce a refrigerant into the compression chamber, where the second wrap is disposed on the orbiting scroll such that the first injection part is opened to introduce the second refrigerant before the receipt of the first refrigerant through the suction part is completed during the orbiting of the orbiting scroll.

The present invention relates to a connecting structure of a refrigerant pipe, capable of connecting each end part of a refrigerant pipe for inducing a refrigerant gas flow between indoor and outdoor units for making up a cooling device, a heating device, or a cooling / heating device in order to maintain the airtightness. Moreover, the connecting structure of a refrigerant pipe comprises: a valve installed in the corresponding place of indoor and outdoor units of an air conditioner; a refrigerant pipe including a pipe expansion part in the form of a trumpet in the front; an outer sleeve including an outer pipe expansion part inserted into the refrigerant pipe and combined with the outside of the pipe expansion part; an inner sleeve including an inner pipe expansion part inserted into and combined with the pipe expansion part; a nut screwed with the valve by being inserted into the refrigerant pipe to accommodate the outer sleeve inside; a first sealing member in a form to correspond to the form of the inner sleeve having contraction and expansion forces while ensuring airtightness between the inner sleeve and the lower part of the valve; and a second sealing member having contraction and expansion forces while ensuring airtightness between the outer sleeve and the inside of the nut.

The present invention relates to a self-generating type air flow diffusion fan having composite functions for attaching a ceiling-mounted cassette air conditioner indoor unit. The air flow diffusion fan is configured in a method such that: the fan is installed on a ceiling inside a building and is conveniently attached to a conventional ceiling cassette air conditioner indoor unit equipped with four blow-off holes surrounding an intake hole in four directions of one intake grill at a front center thereof; a filtration fan function to filtrate and collect large and fine dust drifting in the contaminated air while maintaining the original function of the indoor air circulating ceiling fan, an air purifying function to effectively sterilize / disinfect various bacteria and viruses in the contaminated air, and an insect exterminating function against mosquitoes, etc. are executed at the same time; an air purifying measure such as a light emitting diode, etc. can be operated with electrical power generating energy in accordance with an electrical energy conversion of the own revolution energy of the fan, thus the fan saves energy and is environmentally friendly, since an additional energy input due to the operation of the air purifying measure is not required; and composite functions of an air flow circulating and diffusing fan, a sterilizing and deodorizing device, a drying device, and an insect exterminating device are executed by a single apparatus to provide a pleasant indoor environment.

The invention provides a vertical wall-mounted air conditioner indoor unit and belongs to the technical field of refrigeration equipment. The vertical wall-mounted air conditioner indoor unit solves the problems that the power of the existing wall-mounted air conditioner is small, the space occupied by the vertical air conditioner is large and the like. The vertical wall-mounted air conditioner indoor unit comprises a case which is used for being hung on an indoor wall, wherein a compressor and an evaporator are arranged in the case, an air inlet is formed in the rear side wall of the case, the evaporator is arranged on the inner side of the air inlet, a cross-flow fan is arranged on the front side of the evaporator, the cross-flow fan is connected with a motor in a driven way, and air outlets are formed in the two side walls of the case. The vertical wall-mounted air conditioner indoor unit has the advantages that since an indoor cabinet unit and an indoor wall-mounted unit are combined and the cross-flow fan is used for replacing the traditional centrifugal fan, the space of the lower half part of the cabinet unit is saved, the problem that the space occupied by a common cabinet unit is large is solved, the overall height and the acting strength of the cabinet unit are guaranteed, the internal structure layout and the indoor layout are further optimized and the refrigerating / heating efficiency of machine bodies is improved.

The invention discloses a cooling and heating two-purpose air supply device based on thermoelectric materials. The air supply device comprises an outer casing comprising an accommodating cavity inside; a fan, thermoelectric units and a control unit are mounted in the accommodating cavity of the outer casing; the control unit is used for controlling the fan and the thermoelectric units; an air inlet, an air outlet and a heat dissipation opening are formed in the outer casing; the thermoelectric units adopt thermoelectric pieces made of the thermoelectric materials; the front sides of the thermoelectric units are arranged in an air path passing through the air inlet to the air outlet; the back sides of the thermoelectric units are arranged in the air path passing through the air inlet to theheat dissipation opening; the air supply device further comprises first heat exchange structures and second heat exchange structures; the first heat exchange structures are overlaid on the front sides of the thermoelectric pieces to form heat transfer cooperation and exchange heat with the air flow in the air path from the air inlet to the air outlet; the second heat exchange structures are overlaid on the reverse sides of the thermoelectric pieces to form heat transfer cooperation and exchange heat with the air flow in the air path from the air inlet to the heat dissipation opening; and theair supply device further comprises thin-film heaters overlaid on the top surfaces of the first heat exchange structures to form heat transfer cooperation. According to the air supply device, after the smaller heat exchange structures are adopted, the cooling performance of the thermoelectric pieces can still be improved effectively.

An integrated thermal management module for a vehicle may include a chiller; a first reservoir portion through which electric part-cooling water passes, and a second reservoir portion through which high-voltage battery-cooling water passes; a first pump that circulates the electric part-cooling water through an electric portion, and a first valve that controls cooling water that has passed through the chiller or cooling water of the first reservoir portion to be selectively circulated through the electric portion by the first pump; and a second pump that circulates the high-voltage battery-cooling water through a high-voltage battery, and a second valve that controls the cooling water that has passed through the chiller or cooling water of the second reservoir portion to be selectively circulated through the high-voltage battery by the second pump.

The integral locomotive air conditioner is installed integrally in the top of locomotive via installing angles and includes indoor set and outdoor set in parallel inside one integral casing. Most of the pipe parts are inside the outdoor set to reduce noise and the interference on the inside. The integral locomotive air conditioner includes one casing, one indoor set, one outdoor set, installing angles, one indoor set wind scooper, one air intake grate connecting the air inlet of the indoor set and the top of the locomotive, and one air outlet grate connecting the air outlet of the indoor set and the top of the locomotive.

The invention discloses a cold and hot temperature control cup, which comprises a liner, wherein a stirrer provided with a driven magnetic block is arranged inside the liner; a rotating blade providedwith a driving magnetic block is arranged outside the liner; the rotating blade is driven by a first motor; the rotating blade drives the stirrer to perform linked rotation to realize stirring underthe magnetic action between the driving magnetic block and the driven magnetic block in a rotating process; a semiconductor refrigerator is provided; the semiconductor refrigerator is electrically connected with a power supply through an electric control device; heat transfer is realized between the first temperature surface of the semiconductor refrigerator and the liner; a turbofan is provided;and during refrigeration, the turbofan is driven by a second motor to dissipate heat to the outside. During refrigerating / heating, the cold and hot temperature control cup improves the refrigerating / heating efficiency through the stirring of the stirrer.

The invention discloses a control method of a room air conditioner. The method comprises the following steps that a sleep mode of the air conditioner is started, wherein the sleep mode comprises a first sleep stage and a second sleep stage; the operation of the air conditioner is controlled according to a sleep noise curve and a temperature curve corresponding to the sleep mode, wherein in the first sleep stage, the operation of the air conditioner is controlled according to the temperature curve, and in the second sleep stage, the operation of the air conditioner is controlled according to the sleep noise curve. The control method of the room air conditioner has the advantages that the work capability and the noise of the air conditioner are considered, higher refrigeration / heating efficiency is realized, and meanwhile, the noise disturbing on users is avoided. The invention also provides a control system of the room air conditioner and an air conditioner.

The invention discloses a kitchen air conditioning system. The kitchen air conditioning system comprises an air conditioning assembly and an oil fume suction assembly, the air conditioning assembly comprises a compressor, a first heat exchanger and a second heat exchanger, wherein the compressor, the first heat exchanger and the second heat exchanger are communicating through a refrigerant pipeline, the oil fume suction assembly comprises a fan and an air outlet channel communicating with an air outlet of the fan, and the kitchen air conditioning system is characterized in that the compressoris integrated on the oil fume suction assembly, and the first heat exchanger is arranged in the air outlet channel. The kitchen air conditioning system has the advantages that the compressor is integrated on the oil fume suction assembly, the overall structure of the system is more compact, when the kitchen air conditioning system is installed, an air conditioner external unit does not need to beindependently installed, the installation is more convenient, in addition, the air conditioning system installs the first heat exchanger of the air conditioning assembly within the air outlet channelof the oil fume suction assembly, flue gas discharged into the air outlet channel can take away heat of the first heat exchanger or heat the first heat exchanger, and then the energy efficiency of anair conditioner is improved.

The invention belongs to the technical field of subway air outlets and discloses an adjustable air outlet for a subway driver's cab. The adjustable air outlet comprises a main frame, a supporting frame, shifting rods, a shifting wheel, transverse blades, longitudinal blades, transverse connecting rods, a transverse blade shaft, a guide block and longitudinal connecting rods. The supporting frame is arranged in the transverse middle of the main frame, and the transverse blades are arranged above the longitudinal blades. The shifting wheel is arranged in the middle of the supporting frame, the transverse blades on left and right sides of the supporting frame are mounted symmetrically, upper portions of right ends of the right transverse blades are inserted in the main frame, lower portions of the right ends of the right transverse blades are inserted in the corresponding transverse connecting rod, and upper portions of the left ends of the right transverse blades are inserted into the supporting frame. The shifting rods are symmetrically arranged at the front end of the main frame and positioned above the longitudinal connecting rods. Upper portions of front ends of the longitudinalblades are inserted into the longitudinal connecting rods, and lower portions of front and rear ends of the longitudinal blades are inserted into the main frame. The adjustable air outlet has advantages that the air outlet direction can be accurately controlled through the shifting wheel and the shifting rod to quickly adjust the internal temperature of the driver's cab, and accordingly comfort isimproved for a subway driver.

The invention discloses a permanent magnet motor, a compressor and an air conditioner. The permanent magnet motor comprises a stator and a rotor, wherein the stator comprises a stator iron core and astator winding, the stator iron core comprises multiple stator teeth which are arranged in the circumferential direction of the stator iron core, a stator slot is defined between every two adjacent stator teeth, and the stator winding is wound on the stator teeth; the rotor and the stator are arranged in a manner of internal and external partition, the rotor comprises a rotor iron core and a permanent magnet embedded on the rotor iron core, the maximum distance between a peripheral outline of the cross section of the rotor and the center of the cross section of the rotor is D1, the axial length of the rotor iron core is L, and the rated power of the permanent magnet motor is P; and the D1, L and P satisfy a relation that the D1 / L is not less than 1.7, and P / (D12*L) is not less than 8.5, wherein the unit of the P is W, and the unit of each of the D1 and L is cm. The permanent magnet motor disclosed by the invention has higher power density and operating efficiency, the realization of the miniaturization design is convenient, and the cost is reduced.

The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner outdoor unit. To achieve the purpose of increasing the refrigerating capacity of the air conditioner outdoor unit on the premise of limiting the installation size, the air conditioner outdoor unit comprises an outdoor unit shell, an outdoor heat exchanger and a draught fan, wherein the outdoor heat exchanger and the draught fan are arranged in the outdoor unit shell. The air conditioner outdoor unit is characterized in that a front panel of the outdoor unit shell is provided with two air openings, one is an air inlet, and the other is an air outlet; and in the running process of the draught fan, external air flow can enter the outdoor unit shell along the air inlet and flow out along the air outlet after flowing through the outdoor heat exchanger. Due to the fact that the air supply direction and the air outlet direction are on the same plane, that is the air inlet and the air outlet are both formed in the front panel of the outdoor unit shell, air entering and air outgoing cannot be limited by the surrounding space, and the heat exchanging efficiency of the outdoor unit heat exchanger is further improved.