40results about How to "Reduce air conditioning energy consumption" patented technology

The invention discloses an energy-saving management system for a central air conditioner, and relates to the field of central air conditioning. The system comprises a work station, a machine room system control cabinet and an end area control cabinet; the end area control cabinet is connected to the machine room system control cabinet through a BACNET (Building Automation Control Network) protocol of an RS485(recommend standard) bus; the machine room system control cabinet is connected to the work station through a network; data in the field or in the air conditioner are acquired in real time and are fed back to a DDC (Direct Digital Control) controller by performing centralized control on the end of an air conditioning area; the optimal management of the end is realized by synchronous change of the DDC controller along with the requirement of an end load. According to the energy-saving management system for the central air conditioner, the energy consumption of the air conditioner is reduced to the great extent, and the effects of saving energy and reducing emission are achieved by adopting system energy saving; the balanced operating of each piece of equipment is guaranteed and the service life of each piece of the equipment is greatly prolonged by intelligent control and optimizing program selection.

The invention relates to a novel movie and stage lighting lamp, belonging to the technical field of movie and stage lighting devices. The light path of the lighting lamp is composed of a light source, a reflective bowl, an intermediate convergence lens, a folding line-shaped light-collecting device and a light emergent lens; a high lighting effect and high-quality light spots are obtained by adopting the parabolic reflective bowl with a light receiving margin, an aspherical surface intermittent converging lens with a vacuum heat isolating layer, the folding line-shaped light-collecting device and the light emergent lens to control pitching angles by virtue of a focus control device and a light emergent lens tilting adjusting device; and in a lamp body, through the air natural convection from a ventilation air inlet at the front end of the lamp to a light source base heat dissipation channel and the heat insulation and heat dissipation design of optical components and by adopting a light source base with heat dissipation seams and a tilting low-wind resistance heat dissipation structure of ring type heat dissipation wing, the low noise requirement of the lamp is realized by virtue of the natural ventilation and heat dissipation. The novel movie and stage lighting lamp provided by the invention has the characteristics of high light efficacy, low energy consumption, low noise, high-quality light spots and suitability for movie shooting and theater stage lighting.

The invention provides an integrated all-fresh air conditioner which comprises a housing, a fresh air inlet for introducing fresh air, electrical elements such as a compressor, etc., a condenser, an evaporator, a water tank, a pipeline system of all parts, a blower arranged at the rear part of the evaporator, an air outlet communicated with the blower, a return air inlet for absorbing indoor air, a condensate fan arranged at the rear part of the condenser, and an air outlet communicated with the condensing fan; wherein, a chemical filter and a fresh-air pre-cooled film are arranged at the front part of the evaporator, and a humidification film is arranged at the rear part of the evaporator, and a filter is arranged at the front part of the condenser. The integrated all-fresh air conditioner is designed into a whole body, and is condensed by the return air in an air conditioned room and the precooled fresh air, which can realize all-fresh-air effect while saving energy.

The embodiment of the invention discloses an air conditioner control method and device. The method includes the steps that when a preset starting condition of a go-out energy saving mode is met, the go-out energy saving mode corresponding to the preset starting condition is started; and according to the go-out energy saving mode, the running state of an air conditioner is adjusted in combination with the environment temperature or the running time of the go-out energy saving mode. By the adoption of the above technical solution, the problem that a current air conditioner does not have the go-out energy saving mode or the go-out energy saving mode is not intelligent enough can be solved, it is achieved that the running state of the air conditioner is intelligently adjusted, and the purpose of reducing energy consumption of the air conditioner and providing a comfortable indoor temperature for a use is achieved.

The invention discloses a cooling system and a cooling method of an external wall of a building, belonging to the technical field of temperature regulation of a building outer protective structure, which solves the problem that the cooling amount of rainwater in the prior art is not effectively utilized. A system for cool that exterior wall of a building comprises a rainwater collect and storing device, a water spraying network and a plurality of shower head, wherein the rainwater collecting and storing device is communicated with the shower head through a pump, a water spraying network is arranged on the surface of the exterior wall of the building, and rainwater is sprayed from the shower head to form a water film on the water spraying network. The cooling method comprises the followingsteps of: acquiring the temperature of the rainwater in the heat preservation water tank of the rainwater collecting and storing device and the surface temperature of the external wall of the building; When the difference between the surface temperature and the rainwater temperature exceeds the threshold value, the water pump is turned on, and the rainwater in the heat preservation water tank is sprayed on the sprinkler net through the sprinkler head, and heat exchange is carried out with the external wall of the building, so as to complete the cooling of the external wall of the building.

The invention provides an air conditioner chilled water temperature adjustment operation method based on the outdoor temperature and humidity. The method comprises the specific steps that (1) the indoor temperature and humidity are acquired, and the indoor moisture dispersed amount is calculated according to the indoor temperature, the indoor humidity and the indoor water body temperature; (2) an indoor temperature threshold value range and an indoor humidity threshold value range are set; (3) the main air conditioner terminal blast capacity and inlet and outlet temperatures and humidity are acquired, and a terminal equipment heat-humidity exchange formula is fitted; (4) the temperature and relative humidity of outdoor air of a target building are acquired; (5) the maximum outlet water temperature of chilled water under the situation that a target is met is obtained through calculation through the acquired parameters and input data; (6) the indoor temperature and relative humidity are acquired after a period of time of operation; and (7) whether the indoor temperature and humidity meet temperature and humidity threshold value requirements or not is judged, the outlet water temperature and/or indoor moisture dispersed data are/is continuously adjusted until the requirements are met, accordingly the air conditioner indoor temperature and humidity requirements can be basically met, and an air conditioning system has the effects of comfort and energy conservation.

The invention provides a hexagonal unit body which comprises a hexagonal steel frame and glass arranged on the steel frame. The steel frame comprises a hexagonal small steel frame; connecting rods with equal lengths extend outwards from six vertexes of the small steel frame; a hexagonal big steel frame is formed by the outer ends of the connecting rods, which are used as the vertexes; an aluminium keel for being connected with the adjacent hexagonal unit body is arranged on the periphery of the profile of the big steel frame; and an outer decorative board is fixedly arranged on the outer lateral surface of the steel frame. A curtain wall system consisting of the hexagonal unit bodies has the advantages of simple force model, easiness for manufacturing and installing and high interchangeability. The invention also well solves the contradiction between the permeation and the energy saving of a building and provides a good waterproof structure.

The invention discloses an intelligent base station heat source management energy-saving system. The system comprises a first temperature and humidity transmitter, a second temperature and humidity transmitter, at least one third temperature and humidity transmitter, a multilevel filtering speed-regulating air inlet blower, a speed-regulating air outlet blower, a plurality of base station special refrigeration devices, a battery temperature control box, a fourth temperature and humidity transmitter and a control host. The control host is used for comparing the indoor temperature and humidity with the outdoor temperature and humidity, controlling the air speed, starting and closure of the multilevel filtering speed-regulating air inlet blower according to a comparative result, and controlling the air speed, starting and closure of the speed-regulating air outlet blower. The control host is further used for sending a control signal to a refrigeration part of the battery temperature control box so as to make the temperature in the battery temperature control box keep constant when the temperature, collected by the fourth temperature and humidity transmitter, in the battery temperature control box is greater than a preset battery constant temperature. According to the system, the intelligent control over the indoor temperature and humidity of a base station is achieved, and the control is accurate, so that the temperature and humidity of the work environment of the base station keep constant. In addition, the energy-saving effect is good and the energy-saving efficiency is high.

The invention discloses an airport boarding bridge air conditioner and flight information linkage control method and system. The method comprises the following steps: receiving flight information issued by a civil aviation integrated information system, determining the starting and stopping time of a boarding bridge air conditioner according to the attribute of a boarding bridge, and transmitting the starting and stopping time to corresponding air conditioner equipment through a controller. In order to avoid frequent start and stop of equipment, a temperature dynamic change model after the air conditioner in the boarding bridge is started is established, and the minimum time interval of start and stop of the air conditioner is determined by combining the front and back flight intervals. In addition, the invention also provides a corresponding system. When the number of airport boarding bridges is large, through dynamic and automatic start-stop control over the air conditioners of the boarding bridges, the comfort level of passengers is guaranteed, meanwhile, the operation energy consumption of the air conditioners and the workload of operators can be reduced, and meanwhile frequent start-stop of equipment is avoided.

The present invention discloses a thermal stable low-radiation compound film glass and its production process. It is characterized by that the upper surface of glass base is covered with a compound film formed from bottom layer electrolyte layer, first protection layer, silver layer, second protection layer and surface layer electrolyte layer. The described bottom layer electrolyte layer is aluminium chloride, its thickness is 40-55 nm, the described two protection layers are stainless steel, nichrome alloy or their partial oxide or nitride, its thickness is 1-10 nm, the thickness of the described silver layer is 10-18 nm, and the described surface layer electrolyte layer is aluminium nitride or aluminium oxide, and its thickness is 40-65 nm.

The invention discloses an energy-saving method of water flowing and evaporative cooling of a building, belonging to the technical field of buildings, and in particular relates to a technology for utilizing water flowing and evaporative cooling modes on a building enclosure structure to lower the internal temperature and the external temperature of the building. In the method, a waveform surface (concave-convex) plate type material which is internally provided with rowed straight orifices is installed to be in a building enclosure structure, a water source is switched in, water is full of a pipy cavity made of the plate type material along with a passage and is heated with the conditions of sunlight and the like, a part of the heat is dissipated in a top evaporation mode, and the other part of the heat is consumed through water flowing, thereby lowering the temperature of the surface of a building enclosure, and further inhibiting rising of the internal temperature. While, in a rainy and freezing day in winter, a water source hole is closed to exhaust hydrops, and the enclosure structure can also fulfill the function of cold protection, therefore, the invention totally reaches the purposes of reducing the energy consumption of an air conditioner and realizing environmental protection and energy saving.

The invention provides a seawater utilizing system for artificial influencing dispersal microclimate of coastal city which comprises a seawater post-treating apparatus, a underground sea water pump, a seawater pre-treating apparatus, a thermal insulation seawater reservoir, a seawater pressure pump, a heat exchanger, an air-conditioning unit, a sprinkling tower, an artificial lake network system, and a river piping system. The system can substantially reduce the energy consumption for air-conditioning in a city while protect the environment at the same time.

The invention relates to the technical field of equipment cabinet heat dissipation and discloses an equipment cabinet liquid cooling system, which comprises a plurality of equipment cabinets, whereinheat dissipation cabinets is arranged on the back sides of the equipment cabinets; a cooling coil is arranged in a cooling chamber; the cooling chamber is filled with a heat conductive medium; the lower end of the cooling coil on each equipment cabinet is connected to a main water inlet pipe through a branch water inlet pipe; the upper end of the cooling coil on each equipment cabinet is connectedto a main water outlet pipe through a branch water outlet pipe; and a water pump is disposed on the main water inlet pipe. The equipment cabinet liquid cooling system further comprises a double watersource heat pump which includes a condenser and an evaporator, wherein a return pipe is connected between the water outlet end of the main water outlet pipe and the water inlet end of the main waterinlet pipe, passes through the evaporator, and is provided with a valve A; a water tank is arranged between the return pipe and the main water inlet pipe; a valve B is arranged between the water tankand the main water inlet pipe; a valve C is arranged on the water inlet end of a hot water pipe; valves D are arranged on the branch water inlet pipes of respective equipment cabinets; and a valve E is arranged at the water inlet end of a cold water pipe. The equipment cabinet liquid cooling system has high heat dissipation efficiency and good dustproof performance.

The invention discloses water-based color-changing heat-insulating glass paint and a preparation method thereof, and belongs to the technical field of coatings. The water-based color-changing heat-insulating glass paint is composed of a component A and a component B, wherein the component A is prepared from the following components in parts by mass: 65-80 parts of acrylic hydroxy resin, 3-5 partsof a solvent, 10-20 parts of distilled water, 0.5-1.0 part of a dispersant, 5-10 parts of heat-insulating nanoparticles, 3-5 parts of discoloration fiber, 0.3-0.6 part of a defoaming agent and 0.5-1.0part of a thickening agent; and the component B is prepared from the following components in parts by mass: 10-12 parts of an isocyanate curing agent and 8-10 parts of a high boiling point solvent. The glass paint has a heat-insulating effect, no dew condensation and frost occurs on the glass surface in alternating cold and heat and cold winter, and the glass paint further has a color changing function, under the irradiation of sunlight, ultraviolet rays and infrared rays, color can be changed so that a shading and beauty illusion effect is achieved to meet the attractive pursuit of people.

A heat insulating device for an engine compartment and a passenger compartment of a car is arranged on a separating plate between the engine compartment and the passenger compartment and comprises a thin pipe array, an auxiliary air filter, an auxiliary air inlet pipe I, an auxiliary air inlet pipe II, an auxiliary pipeline connecting port and a temperature-control solenoid valve device, wherein one end of the thin pipe array is connected with the auxiliary air inlet pipe I by the aid of a transitional coupling I; the auxiliary air inlet pipe I is connected with one end of the auxiliary air filter; the other end of the auxiliary air filter communicates with the atmosphere; the other end of the thin pipe array is connected with the auxiliary air inlet pipe II by the aid of a transitional coupling II; and the auxiliary air inlet pipe II is connected with an original air inlet pipe of an engine by the aid of the auxiliary pipeline connecting port. Under the effect of negative pressure in the air inlet pipe of the engine, air in thin pipes of the thin pipe array of the heat insulating device flows, so that heat insulation of the engine compartment and the passenger compartment is realized. With the adoption of the heat insulating device, on the premise that the load of the engine and air resistance of the whole car are not increased, heat of the engine compartment cannot be transferred to the passenger compartment, so that the problem of reduction of riding comfort of the passenger compartment due to transfer of the heat of the engine is solved; meanwhile, the heat of the engine compartment is prevented from being transferred to the passenger compartment, and thus the energy consumption of an air conditioner of the car can also be reduced to a certain extent.

The invention discloses a hydrogen internal combustion power vehicle and method based on high-pressure hydrogen expansion work and waste heat utilization in order to solve the problem of energy consumption of an air conditioner of a hydrogen internal combustion power vehicle, and the hydrogen internal combustion power vehicle comprises a high-pressure hydrogen storage system, a high-pressure hydrogen refrigeration system, a hydrogen internal combustion power generation system and a traction power system. Cold energy generated in the pressure reduction process of the high-pressure hydrogen is provided for the air conditioning system for refrigeration, expansion work can be converted into electric energy to supplement electric quantity for the power battery, and tail gas heat generated by the hydrogen internal combustion power generation system is provided for the air conditioning heating system. On one hand, cold energy generated by the refrigerating system in the vehicle hydrogen power system is applied to the air conditioner refrigerating system of the vehicle, on the other hand, heat generated by the hydrogen internal combustion engine in the vehicle hydrogen power system is applied to the air conditioner heating system of the vehicle, and waste heat of the internal combustion engine and high-pressure hydrogen expansion work are fully utilized; the air-conditioning energy consumption in the vehicle is greatly reduced, and the comprehensive energy utilization rate of the vehicle is improved.

The invention provides a phase-change cold storage air-conditioning control room which comprises a refrigerating system, a cooling system, a heat exchange system, a cold storage system and a control system, wherein the cold storage system and the refrigerating system are connected to a central control system; the cooling system and the refrigerating system are provided with one-way valve systems and temperature sensors; one-way valve systems and temperature sensors are arranged between the cold storage system and the refrigerating system; the refrigerating system and the cold storage system are connected to the heat exchange system in parallel; the heat exchange system is located at the tail end of a load; the refrigerating system comprises 1-10 parallel refrigerators; the cooling system comprises 1-10 cooling water towers; the cold storage system comprises 1-10 phase-change cold storage tanks; and the heat exchange system comprises 1-8 heat exchangers which are connected in parallel or in series or in series-parallel connection. The electricity consumption in a peak electric stage can be transferred; the refrigerating capacity at the peak of the existing system is increased; the benefit of a chilled water unit is increased; control of a chilled water system is increased; the service life of the chilled water system is prolonged; the reliability of the chilled water system is improved; the operating elasticity of the chilled water system is improved; the utilization efficiency of energy sources is improved in part of on-load operations of a refrigerating unit, the electricpower is saved by 30-50%, and the electric charge is saved by 40-70%.