608results about How to "Reduce ambient temperature" patented technology

A system and method is provided to control and operate a compressor to have two or more discrete output capacities in response to an outdoor temperature measurement. During operation of the compressor in an air conditioning or cooling mode, the compressor has a first output capacity in response to the outdoor temperature being greater than a first temperature setpoint and the compressor has a second output capacity in response to the outdoor temperature being less than a second temperature setpoint.

A method that controls pressure within an immersion cooling tank having condensation fluid flowing through a condenser, includes: a controller receiving a signal that indicates a current level of vapor pressure within the tank; determining from the signal when the current level of vapor pressure exceeds or is below a first preset threshold pressure level; and in response to the current level of vapor pressure exceeding or being below the first preset threshold pressure level, signaling a flow control mechanism that modulates a flow rate of the condensation fluid through the condenser to increase or decrease the rate of flow from a current rate of flow. The controller receives the signal by a pressure sensor within the immersion cooling tank detecting the current vapor pressure, generating the signal and forwarding the signal to the controller. The pressure sensor can be a differential pressure transducer that measures a differential pressure internal to and outside of the immersion tank.

A chassis for plug-in modules may be provided with a vented and ducted sub-rack support member. The vented and ducted sub-rack support member may deflect a portion of the air flowing within the chassis through vents in the top surface of the vented and ducted sub-rack support member in order to increase the air flow to heat producing components mounted on the backplane above the support member. The increased air flow may increase air flow velocity and decrease the ambient temperature of the air around these components and improve the dissipation of heat from each component into the air. Air flow above the vented and ducted sub-rack support member may also be redirected by upper deflectors mounted on the support member to portions of plug-in cards adjacent to the upper deflectors and may provide additional cooling to components on the plug-in cards near the backplane.

A method for dehumidification and controlling system pressure in a refrigeration system includes providing a refrigeration system having a compressor, a condenser and an evaporator connected in a closed refrigerant loop. Each of the condenser and evaporator have a plurality of refrigerant circuits. A first heat transfer fluid is flowed over the condenser and a second heat transfer fluid is flowed over the evaporator. At least one of the refrigerant circuits of the condenser is isolated to provide a decreased amount of heat transfer area within the condenser and to increase the refrigerant pressure within the refrigeration system when the refrigerant pressure within the refrigeration system is at or below a predetermined pressure. At least one of the refrigerant circuits of the evaporator is isolated to dehumidify and maintain the temperature of the second heat transfer fluid at or above a predetermined temperature when dehumidification is required.

A cabinet adapted with a cooling system is described. Embodiments include electronics cabinets which house electronic equipment. A flow of air is set up in the interior of the cabinet by drawing in ambient air. The incoming air is cooled by an evaporator component of a cooling system. The cooled air cools the electronics and in the process becomes heated air. The heated air serves to cool a condenser component of the cooling system, thereby further heating the heated air. The heated air is then exhausted from the cabinet.

The invention relates to a glass coating containing a fluorophor and a method for producing the glass coating, and a light-emitting device containing the glass coating and a method for manufacturing the light-emitting device. The method for producing the glass coating containing the fluorophor comprises the following steps of: (1) mixing the powder of glass B and the powder of fluorophor C, an organic solvent and a binder in a mass ratio of 100: (1-100): 150 together into even paste; (2) evenly spreading the paste on a glass substrate A, and drying the glass substrate A coated with the paste so that the organic solvent is completely volatilized; and (3) sintering the dried glass substrate A coated with the paste, thereby obtaining the glass coating containing the fluorophor on the surface of the glass substrate A, wherein the process of sintering is as follows: increasing the temperature to temperature D1, so that the binder is decomposed and volatilized completely, and then increasing the temperature to temperature D2 so that the powder of glass B is softened and united to form a continuous glass body, thus obtaining the glass coating containing the fluorophor C on the surface of the glass substrate A.

A method and system for controlling refrigerant pressure in an HVAC system. The method includes providing a compressor, a condenser and an evaporator connected in a closed refrigerant loop. The condenser has a header arrangement capable of distributing refrigerant to a plurality of refrigerant circuits within the condenser. The header arrangement also is capable of selectively isolating at least one of the circuits from refrigerant flow. Refrigerant pressure is sensed at a predetermined location in the refrigeration system. At least one of the circuits is isolated when the refrigerant pressure is less than or equal to a predetermined pressure.

A system and method is provided to control and operate a compressor to have two or more discrete output capacities in response to an outdoor temperature measurement. During operation of the compressor in an air conditioning or cooling mode, the compressor has a first output capacity in response to the outdoor temperature being greater than a first temperature setpoint and the compressor has a second output capacity in response to the outdoor temperature being less than a second temperature setpoint. During operation of the compressor in a heating mode, the compressor has different output capacities based on the outdoor ambient temperature.

The invention provides a voice control method for an air-conditioner and a voice control system for the air-conditioner. The voice control method for the air-conditioner comprises the steps that a voice instruction sent by a user is identified; the current operating state and / or the current operating environment of the air-conditioner are obtained, and the voice instruction is corrected according to the operating state and / or the operating environment to obtain a control instruction of the air-conditioner; the air-conditioner is controlled to work according to the control instruction. According to the technical scheme, the accuracy of voice control over the air-conditioner can be improved, and the experience of carrying out voice control on the air-conditioner of the user is promoted.

The invention relates to an LED (Light Emitting Diode) illumination intelligent control system which comprises a synchronous rectification unit used for providing direct-current power for at least two intelligent power control units, wherein the output end of each intelligent power control unit is connected with a corresponding LED light group unit via an electric wire; and the synchronous rectification unit is connected with each intelligent power control unit by a high-voltage direct-current bus. In the intelligent control system, stable constant-voltage direct current is provided for an LED illumination system by the synchronous rectification unit, so that the whole illumination system can operate under high power factor with less harmonic wave. the corresponding LED light group units are dynamically and precisely dimmed by the intelligent power control units, and the LED operation situation is detected in real time and communication with an external control center is carried out. The intelligent control system has the characteristic of reasonable structure, and is convenient to control, the working environment temperature of an LED light group can be improved, and the reliability and the service life of an LED illumination light can be improved.

The invention relates to a soybean milk machine control method. A soybean milk machine comprises a machine head and a cup body, and the machine head is buckled to the upper portion of the cup body; the pulping process of the soybean milk machine includes the heating stage, the smashing stage and the boiling stage; a motor used for driving a smashing device is arranged in the machine head; and the soybean milk machine is characterized in that a temperature measurement device used for detecting the environment temperature T of the machine head is arranged in the machine head, and is electrically connected with a control chip, a temperature threshold value T0 is preset in the control chip, and the pulping process of the soybean milk machine is adjusted through the control chip according to the environment temperature T of the machine head and the temperature threshold value T0. The temperature measurement device used for detecting the environment of the machine head is arranged in the machine head, so that the control chip obtains the working condition of the soybean milk machine at current, the pulping process can be automatically modified, or the environment temperature is decreased by delaying starting of the pulping process, or the sufficient radiating time is provided for the motor by prolonging the working interval time of the motor, and it is guaranteed that the soybean milk machine is reliable and safe accordingly.

The invention discloses an LED (light-emitting diode) lamp convenient to dissipate heat, which comprises a lamp cap, a heat dissipating lamp cup, a driving power source housing and a bulb housing, wherein the interior of the heat dissipating lamp cup adopts a hollow structure; the heat dissipating lamp cup is connected with the driving power source housing in a sleeved manner; a gap for ventilation is reserved between the driving power source housing and the inner wall of the heat dissipating lamp cup; a lamp holder higher than the upper surface of the lamp cup is arranged at the upper part of the heat dissipating lamp cup; a substrate is arranged on one side wall of the lamp holder; an LED light source is fixed on the substrate; a ventilation channel passing through the whole lamp holder is arranged in the lamp holder; a ventilation hole is formed at the top of the bulb housing; the gap is communicated with the ventilation channel of the lamp holder through air; the lower part of the gap is communicated with external air; and the upper part of the ventilation channel is communicated with the external air through the ventilation hole of the bulb housing. According to the LED lamp, the air flow channel is arranged at the inner part of a lamp body, so that heat produced by a driving power source and the LED light source can be brought away by the air, the working ambient environment of the power source is reduced, the service life of the power source is guaranteed, the temperature of a housing of the lamp cup can be effectively reduced, and double hands of people can be further protected from scald.

An electric power conversion apparatus includes first and second electric power conversion devices and a housing. The first and second electric power conversion devices are arranged to overlap each other in an overlap direction. The housing receives both the first and second electric power conversion devices therein. The housing has a partition wall that extends between the first and second electric power conversion devices to partition the housing into first and second parts in which the first and second electric power conversion devices are respectively received. The partition wall has a coolant passage formed therein, thereby allowing a coolant to flow through the coolant passage.

The invention relates to a cooling method and a cooling device for a stelmor wire of a high-speed wire mill. The cooling device for a stelmor wire of a high-speed wire mill adopts the structure that the lower side of a transport roller way of a stelmor wire is sequentially provided with a plurality of upper draught fans along the direction of the transport roller way, the upper side of the transport roller way of the stelmor wire is also sequentially provided with a plurality of lower draught fans along the direction of the transport roller way, the upper draught fans are arranged on a steel structural frame which can be conveyed in a hanging way, an air outlet of each upper draught fan is symmetrical to an air outlet of each lower draught fan relative to the transport roller way, and an included angle between the air direction of each upper draught fan and the transport roller way is equal to an included angle between the air direction of each lower draught fan and the transport roller way. The cooling method is applicable to the cooling device. Furthermore, additionally provided with the the draught fans on the transport roller way, the cooling device realizes the upper air cooling and the lower air cooling of the wires, increases the cooling speed, and causes the wires to be cooled more evenly, thereby the invention solves the problems of nonuniform wire contact-point structure and nonuniform mechanical property.

The invention provides a wet-type dust-capturing wind current cooling device mounted at a head-on rear position of a mining working face mining machine, connected with an outlet end of a polluted wind pumping canister and comprising a cover shell, and a spray dedusting device, a cyclone centrifugal dedusting device, a dust screen filtering device, an air cooling type heat exchanger and a baffle plate demister which are connected in order inside the cover shell; positions of the cover shell walls below the cyclone centrifugal dedusting device and the baffle plate demister are respectively provided with drainage pipe ports. Fully-mechanized excavating working face dust capturing and wind current cooling works are combined together, with a treatment mode of firstly dust capturing and then wind current cooling, polluted wind is firstly subjected to multi-stage dust capturing treatment and then is demisted and cooled, the working face wind current temperature is controlled in a suitable temperature, a safe and comfortable working environment of the down-hole working face is ensured, and the problems of high temperature and high dust of the mine mining working face are better solved.

This is a method to prevent the indoor coil-pipe's temperature over lower, and its air conditioner. In the CPU of monotype set, install a temperature test block of the coil-pipe. Use the light-coupled silicon controlled method, according to the temperature of test value to control the alternating voltage of outdoor set, then to realize control the rotating speed of blower in the outdoor set. This invention provide a new electric-control method for fixed-frequency air conditioner, it can dynamic control the rotating speed of outdoor set's blower, to adjust the exchange efficient of this system in certain time interval.

A system and method is provided to control and operate a compressor to have two or more discrete output capacities in response to an outdoor temperature measurement. During operation of the compressor in an air conditioning or cooling mode, the compressor has a first output capacity in response to the outdoor temperature being greater than a first temperature setpoint and the compressor has a second output capacity in response to the outdoor temperature being less than a second temperature setpoint. During operation of the compressor in a heating mode, the compressor has different output capacities based on the outdoor ambient temperature.

The invention provides a battery system, and belongs to the technical field of batteries. The battery system comprises a case, a plurality of sections of battery cells, a temperature collecting probe, a BMS (battery management system), a heating and refrigeration assembly, a liquid flowing pipeline, a heat conduction medium and a water pump, wherein the liquid flowing pipeline passes through a gap formed among the plurality of sections of battery cells; the water pump drives the heat conduction medium to realize circulation flowing inside the pipeline; the temperature collecting probe and the heating and refrigeration assembly are electrically connected with the BMS; the BMS controls the heating and refrigeration assembly to work according to the temperature information feedback by the temperature collecting probe; the heating and refrigeration assembly and the liquid flowing pipeline perform heat exchange through a water cooling head so as to realize the heating and the refrigeration on the heat conduction media inside the liquid flowing pipeline; the whole temperature control system is directly controlled by the BMS. The battery system is provided with the temperature collecting probe, the heating and refrigeration assembly and the BMS; the environment temperature of the battery cells is regulated through controlling the temperature of the heat conduction media inside the liquid flowing pipeline, so that the battery cells always work in a set temperature range.

A portable mister for cooling ambient air is disclosed comprising a housing for entirely containing a cooling agent, an irrigation system connected to the housing for receiving the cooling agent from the housing and dispersing the cooling agent in ambient air, and a pump for facilitating the transfer of the cooling agent to the irrigation system. The mister is portable in that the cooling agent is entirely enclosed in a portable housing. That is, the mister user need not connect the mister to a continuous cooling agent source for operation. Additionally, the irrigation system is configured for placement to cool the ambient air of a broad area. The housing may include a system for including a fragrance in the cooling agent. The fragrance including system facilitates added a pleasant aroma to the dispersed cooling agent.

The invention discloses a high-efficiency thermochromic nano composite powder with a core-shell structure. The composite powder takes a VO2 layer as a core layer and a tungsten bronze compound layer as a shell layer; the VO2 layer is vanadium dioxide nano-powder, the smallest dimension in three-dimensional dimensions of the VO2 layer is not more than 100nm, and the tungsten bronze compound layer is MxWO3, wherein M is selected from any one of NH4+, Cs+, K+, Na+ or Li+; the value of x ranges from 0.01 to 0.8; and the thickness of the tungsten bronze compound layer is less than 60nm, an infraredabsorption characteristic of a tungsten bronze material is utilized to enable the shell layer to absorb heat, and the heat is quickly transferred to VO2 particles in the core layer through the closely connected core-shell structure, which results in the temperature rise and phase change of VO2, so as to reduce the ambient temperature required by the phase change of VO2, improve the thermal response speed of VO2, shorten the phase change reaction time and achieve an effect of efficient thermochromism.

An arcuate duct has an inlet continuous with a housing about a blower and an outlet perpendicular to the blower which further has a lip directing the air flow perpendicularly. The arcuate duct transforms an air flow intake along an X axis smoothly to air flow parallel a Y axis and the outlet lip directs the air flow parallel a Z axis given a horizontal disposition of the arcuate duct main body which utilized in a desktop PC. A vertical disposition is utilized in a tower type PC. In either case the blower is disposed adjacent an opening in the rear of the PC enclosure created by removing a removable panel and the arcuate main duct body is positioned between the IC cards and HDD on one side and the PC enclosure on the other side, being slightly compressed between the two to maintain positioning. Air flow through the arcuate duct is directed against the CPU and RAM. The lower portion of the blower is left open to blow air directly ahead past the IC cards against the HDD and auxiliary disk drives in front. The arcuate duct outlet is larger than the inlet minimizing back pressure and promoting laminar flow therethrough while an abrupt change of direction caused by the lip of the outlet induces turbulent flow and increased convection. Installation requires no rearrangement of components in the PC and no fixed attachment to the PC.

The invention discloses a radiation cooling film which is formed by mixing ceramic particles, an organic solution and a curing agent, mixing the ceramic particles with an organic curing precursor solution, and curing, a micro-nano photon structure array is formed on the surface of the film, and the micro-nano photon structure array comprises a plurality of arrayed micro-nano photon structure elements. The invention further discloses a preparation method and application of the radiation cooling film. The film has the reflectivity of 95% in the sunlight band and the radiance of 96% in the atmospheric window band, can be lower than the ambient environment by 10 DEG C at most under the illumination condition, and also has good flexibility and strength and excellent hydrophobicity. The radiation cooling film is prepared in a low-cost and large-area manner by adopting a multi-etching double-spin-coating vacuum thermocuring process. The radiation cooling film is applied to the aspects of human body wearable cooling, cooling umbrellas and device heat dissipation, and a cooling method is achieved by removing heat from the surface and the interior of a main body in a heat radiation mode.

The invention relates to a pipe pile water curing method. In the method, a water storage tank is arranged, and condensate water and residual steam in a still kettle are guided into the water storage tank; a pipe pile is placed in a steaming and curing pool, the condensate water in the water storage tank is guided into the steaming and curing pool, and the residual steam in water storage tank is guided into the steaming and curing pool; and steaming and curing the pipe pile in the steaming pool for 4-5 hours at 80-90 DEG C. The curing device comprises the steaming and curing pool, the water storage tank and the still kettle, wherein the steaming and curing pool is provided with a water-steam port; the water storage tank is provided with a residual steam outlet, a residual steam inlet, a condensate water outlet and a condensate water inlet; and the still kettle is provided with a steam inlet and a steam outlet. A condensate channel is arranged between the water-steam port of the steaming pool and the condensate water outlet of the water storage tank, and a steam channel is arranged between the water-steam port of the steaming pool and the residual steam outlet of the water storage tank. The condensate water inlet of the water storage tank is communicated with the condensate water outlet of the still kettle through a third electric control valve and a pipeline, and the steam inlet of the water storage tank is communicated with the steam outlet of the still kettle through a second steam valve and a pipeline.

The invention relates to a plasm-aided selenium sulfuration treatment device arranged in a vacuum chamber. The plasm-aided selenium sulfuration treatment device comprises a shell, a cathode plate and an anode plate, wherein the cathode plate and the anode plate are alternately stacked to form a plasm generator, the cathode plate is provided with a groove for fixing a semiconductor film substrate, and small holes are uniformly distributed on the surface of the anode plate which is provided with a gas pipe, an independent internal heating electrode and an anode temperature-measuring point. The process based on the treatment device comprises the following steps of: (1) precasting a metal layer on the semiconductor film material according to the proportions of a chemical formula and then putting in the groove of the cathode plate; and (2) putting in the vacuum chamber to vacuumize, switching on a power supply to heat the cathode plate and the anode plate, switching on a power supply of the plasm generator and adding the mixed gases of selenium or sulfur, hydrogen and argon. The invention has the advantages that selenium ions have high reaction activity, the selenizing reaction of the metal precast layer is complete, the photoelectric conversion efficiency is high, and the substrate has lower heating temperature and is hardly deformed. An electronic mode is adopted to monitor the change of capacitive reactance between the two electrodes, know the conversion development and reduce the defective index of the industrial production.

A method that controls pressure within an immersion cooling tank having condensation fluid flowing through a condenser, includes: a controller receiving a signal that indicates a current level of vapor pressure within the tank; determining from the signal when the current level of vapor pressure exceeds or is below a first preset threshold pressure level; and in response to the current level of vapor pressure exceeding or being below the first preset threshold pressure level, signaling a flow control mechanism that modulates a flow rate of the condensation fluid through the condenser to increase or decrease the rate of flow from a current rate of flow. The controller receives the signal by a pressure sensor within the immersion cooling tank detecting the current vapor pressure, generating the signal and forwarding the signal to the controller. The pressure sensor can be a differential pressure transducer that measures a differential pressure internal to and outside of the immersion tank.

A chassis for plug-in modules may be provided with a vented and ducted sub-rack support member. The vented and ducted sub-rack support member may deflect a portion of the air flowing within the chassis through vents in the top surface of the vented and ducted sub-rack support member in order to increase the air flow to heat producing components mounted on the backplane above the support member. The increased air flow may increase air flow velocity and decrease the ambient temperature of the air around these components and improve the dissipation of heat from each component into the air. Air flow above the vented and ducted sub-rack support member may also be redirected by upper deflectors mounted on the support member to portions of plug-in cards adjacent to the upper deflectors and may provide additional cooling to components on the plug-in cards near the backplane.