1135 results about "Ambient air" patented technology

An embodiment heat pump system of a vehicle includes a first cooling device including an electrical component and a first line for circulating a coolant, a second cooling device including a battery module and a second line for circulating the coolant, a HVAC module connected through a refrigerant line and internally provided with an opening / closing door that adjusts a selective flow of ambient air according to a cooling, heating, or heating and dehumidifying mode of a vehicle interior, a heat-exchanger connected to the internal condenser through the refrigerant line, a first expansion valve on the refrigerant line and connecting the heat-exchanger and the evaporator, a compressor connected between the evaporator and the internal condenser through the refrigerant line, an accumulator on the refrigerant line between the evaporator and the compressor, a chiller, a second expansion valve, a third expansion valve, and a second connection line.

In a thermal management system for a vehicle and a method for controlling the same, the thermal management system includes a fluid transfer device configured to execute thermal management of at least one object, to be thermally managed, through introduced ambient air, and a controller configured to determine a target air flow rate required for thermal management of the at least one object to be thermally managed, and to control the fluid transfer device based on an optimal control value determined using a control model for a predictive state value according to a current state value and the target air flow rate.

A system may include a first heat rejection unit including a first set of fans and coils and a second heat rejection unit configured to be stacked on top of the first heat rejection unit, where the second heat rejection unit includes a second set of fans and coils. The system may include one or more central passages configured to connect the first heat rejection unit to the second heat rejection unit, where the one or more central passages separate the first heat rejection unit into a first section and a second section. The system may include an inlet duct configured communicate with outside and receive fresh ambient air via an opening in the inlet duct, where the inlet duct is configured to divert the fresh ambient air to at least one of the first heat rejection unit or the second heat rejection unit to be exhausted outside.

A thermal transfer system for an appliance includes a first blower that delivers process air through an airflow path. A first vapor compression loop delivers internal thermal energy via a first flow of media from a first evaporator and to a condenser that are within the airflow path. A second vapor compression loop delivers ambient thermal energy via a second flow of media from a second evaporator that is outside the airflow path to a thermal exchange structure within the airflow path. A second blower directs ambient air over the second evaporator for capturing ambient thermal energy. The first blower directs the process air over the thermal exchange structure to deliver ambient thermal energy to the condenser to define a preheat sequence of the condenser. Further, the internal thermal energy and the ambient thermal energy are delivered by the process air to a processing space.

The invention relates to the field of parameter calibration, in particular to a real-time parameter detection and calibration method and device for a gas sensor. The method comprises the following steps: collecting environmental parameters according to a gas sensor to generate an effective parameter sequence; performing time sequence analysis on the effective parameter sequence to generate a parameter feature set; performing ambient air detection and concentration response stage analysis based on the standard working state, and marking concentration response stages of different gases; performing synchronous positioning and detection interference sensitivity calculation on the parameter feature set based on the concentration response dynamic stage, and generating the detection interference sensitivity of the environmental parameters; original detection parameter calibration is carried out according to the detection interference sensitivity, and a gas detection reference is generated. According to the invention, the accuracy, stability and reliability of gas detection of the gas sensor in a complex environment are improved.

The invention relates to the technical field of equipment compensation control, and discloses a medical suction device with an altitude compensation function and a control method thereof. The method comprises the following steps: reading ambient air pressure data of a first pressure sensor, reading molecular sieve tank differential pressure data of a second pressure sensor, collecting pressure data of an output end of a third pressure sensor, and determining a real-time altitude according to the ambient air pressure data; a breathing pressure fluctuation value is calculated based on the molecular sieve tank differential pressure data, when the breathing pressure fluctuation value is lower than a preset negative pressure threshold value, the current breathing frequency is recorded, and nitrogen removal time, pressure equalizing time and flushing time are determined to control an electromagnetic valve to work; and when the oxygen concentration is lower than a first concentration threshold value and the real-time altitude height is lower than a preset height, increasing the nitrogen removal time by a first preset proportion and increasing the target rotating speed by a second preset proportion, and when the oxygen concentration is lower than a second concentration threshold value, stopping the operation of the compressor and closing all the electromagnetic valves. According to the invention, the false alarm rate is effectively reduced, and the equipment safety is improved.

The present application provides an oil-gas separation apparatus capable of implementing complete degassing and methods. The apparatus comprises: a piston cylinder and a degassing cylinder, a degassing solenoid valve being arranged between the degassing cylinder and the piston cylinder, one end of the degassing solenoid valve extending into the interior of the piston cylinder, and the other end thereof being in communication with the degassing cylinder; a variable speed diaphragm pump, an air intake end thereof being in communication with the atmosphere and an air discharge end thereof being in communication with the degassing cylinder for drawing ambient air, and used for cleaning a gas path of the oil-gas separation apparatus, and providing power for the degassing cylinder, thereby replacing a design involving a carrier gas cylinder or a gas generator; and a main control module. According to the present application, the piston cylinder, the degassing cylinder, the degassing solenoid valve, and the variable speed diaphragm pump are integrated and are uniformly controlled by the main control module, so that high-efficiency oil and gas separation is implemented. A unique degassing control method and a concentration calculation method are designed, so that fast and efficient degassing is implemented, nearly complete degassing is achieved without correcting a degassing rate, a mathematical model for inverse calculation of an oil sample concentration on the basis of a gas concentration is simplified, and concentration conversion is convenient.

The embodiment of the present application provides a kind of humidity control device and refrigerator, humidity control device is connected with the drawer interchamber of refrigerator, including filter, fan, air duct component, ventilation cover, air duct component includes air inlet and air outlet, is connected with the drawer interchamber by air outlet, ventilation cover is set on the shell of refrigerator, and is connected with air inlet, for introducing ambient air;Fan is arranged in air duct component, for adjusting the air flow rate in air duct component;Filter is arranged in air duct component, for filtering ambient air.The embodiment of the present application can when the internal humidity of drawer interchamber is less than preset value range, start fan to intensify the air flow speed in air duct component, more quickly introduce ambient air into drawer interchamber, to increase the internal humidity of drawer interchamber, humidification is carried out by the way of introducing ambient air, can solve the problem that existing active humidity control needs to rely on water box and ultrasonic wave technology.

The invention belongs to the technical field of environment monitoring equipment, and relates to an environment monitor for a chemical plant, which comprises a stand column, a monitoring box and a sampling box, a multi-sensor fusion unit is mounted at the bottom of the monitoring box, and an edge intelligent gateway is arranged in the multi-sensor fusion unit; a detachable sampling container is arranged in the sampling box, a gas inlet joint and a gas outlet joint are arranged on the sampling container, a sampling joint is mounted at the bottom of the monitoring box, one end of the sampling joint extends out of the monitoring box, and the other end of the sampling joint is connected with the gas inlet joint through a gas conveying pipeline; an air extracting pump is installed in the sampling box, an air inlet of the air extracting pump is detachably connected with the air outlet connector, and the multi-sensor fusion unit and the air extracting pump are electrically connected with the edge intelligent gateway. The environment monitor can be arranged at a certain point position of a chemical plant and used for monitoring pollutants in ambient air, continuous real-time on-line monitoring can be carried out on the pollutants in the ambient air by using the multi-sensor fusion unit and the edge intelligent gateway, and gas samples can be automatically and manually collected.

The invention discloses a laboratory steady clean air conditioning system and method coping with a high cotton fiber environment, and the method comprises the steps: obtaining air temperature and humidity data, cotton fiber concentration data and particle distribution data, constructing an aerodynamic basic learning model, and carrying out the calculation through the basic learning model, and obtaining air state parameters; obtaining new air environment data based on the air state parameters, and preprocessing the new air environment data to obtain preprocessed air environment data; optimizing the basic learning model by using the preprocessed air environment data, and constructing an air state prediction model; and air state prediction is conducted based on the air state prediction model, an air conditioning prediction result is obtained, and intelligent adjustment and steady control over laboratory environment air are achieved. According to the method, the cleanliness prediction accuracy is improved, the local cotton fiber deposition risk is reduced, closed-loop control is achieved, and intelligent adjustment and steady control of laboratory environment air are achieved.

An indoor air cleaning system with a networking mechanism is disclosed and applied in an indoor field (A) for detecting and cleaning air pollution completely. A real-time air quality monitoring in the indoor field (A) is achieved by arranging plural gas detectors (A), at least one gas molecule control hardware device (2), at least one air conditioning device (3) and a networked cloud computing service device (4) in the indoor field (A) and forming an intelligent linked system by the arranged gas detectors (1) in an outdoor filed and the indoor field (A). Meanwhile, the air pollution in the indoor field (A) is also detected and intelligently compared with an ambient air quality status, and an air guiding volume of an air guiding fan (21) is instantly controlled according to the air quality. Whereby an energy saving benefit of the effective controlling operation of the purification device is achieved.

An energy dissipation system for a vehicle, the energy dissipation system comprising an air compressor comprising a compressor inlet configured to receive ambient air, an electric motor comprising a rotor having a rotor shaft operatively connected to a compressor shaft of the air compressor, power electronics arranged in a power electronics housing, the power electronics being electrically connected to the electric motor and configured to feed electric power to the electric motor, and an air flow channel through which the ambient air is configured to be fed to the compressor inlet, the air flow channel being formed by an inner elongated tube member and an outer elongated tube member, wherein the electric motor is housed within the inner elongated tube member and attached to a first inner surface, and wherein the power electronics housing is attached to a second outer surface.

The utility model discloses a Coanda effect-based sand-proof and dust-proof device for an electrolytic bath, which is characterized in that a surrounding dust cover structure which is in flexible contact with the electrolytic bath or keeps a non-contact gap with the electrolytic bath is formed at the periphery of a full-bearing movable bracket, and the dust cover structure forms a semi-closed protection structure between a foundation and the electrolytic bath; dustproof cover structures composed of fences are arranged on the two sides of a foundation with profile steel as the foundation, each dustproof cover structure at least comprises a vertical fence wall arranged on the side portion of the full-bearing type movable bracket, the bottom of each vertical fence wall is connected with the foundation, and the top of each vertical fence wall makes flexible contact with the electrolytic cell or forms a non-contact gap with the electrolytic cell. A continuous variable-curvature Coanda curved surface is adopted, the airflow speed is increased through the wall attachment effect, a laminar flow air curtain is formed, and curvature-flow velocity coupling optimization is formed. Compressed air is injected through the narrow slit nozzle, ambient air is pried to form a large-flow air curtain, the actually measured air curtain coverage area is 3.2 times that of a traditional flow guide plate, and the unit energy consumption is reduced by 57%.

Technologies and techniques for producing a sorption element for removing carbon dioxide from ambient air. The method includes providing a carbon dioxide-binding starting material and a binder, mixing them to form a homogeneous mixture, and either molding the mixture into a sorption structure or coating a support structure with the mixture. The sorption structure or coated support structure is then thermally treated to solidify and / or chemically activate the sorbent material. The disclosed method enables the production of highly efficient sorption elements with enhanced thermal and electrical conductivity, which improve adsorption and desorption processes. The disclosure also includes systems and apparatus configured to perform this method, offering reduced material usage, improved energy efficiency, and customizable geometries for diverse applications.

The invention discloses a proton exchange membrane fuel cell system based on a double-screw compression and expansion integrated machine. The proton exchange membrane fuel cell system comprises a fuel cell stack, a hydrogen supply system, an air supply system and a hydrothermal management system, in the air supply system, ambient air is introduced into an air inlet of a water spraying compressor, an outlet of the water spraying compressor is connected with a first gas-water separator, an air outlet of the first gas-water separator is connected with a cathode air inlet of a fuel cell stack, and a cathode air outlet of the fuel cell stack is connected with an air inlet of a water spraying expansion machine; an outlet of the water spraying expansion machine is connected with a second gas-water separator; in the hydrothermal management system, a water outlet of a cooling water pump is connected with an inlet of a three-way regulating valve through a radiator, and the flow is divided into two paths after being regulated by the three-way regulating valve; one path is connected to a cooling water inlet of the fuel cell stack through a first outlet of the three-way regulating valve, and the other path is connected to a water injection nozzle of the water injection compressor through a second outlet of the three-way regulating valve. The overall performance of the system can be improved, and the system structure is simplified.

The present technology is directed to climate control systems suitable for studying plant growth in open-air fields and associated methods of operation. In one example, a method includes exposing a test specimen of a crop in an open-air field to substantially the same sunlight, precipitation, and / or pestilence conditions as a control specimen in the same open-air field for a test period. The test specimen is at least partially enclosed by a structure while the control specimen is outside of the structure. The structure has a first opening toward the soil of the open-air field and second opening exposed to ambient air. During the test period, a test temperature profile is maintained in the internal space of the structure while an air curtain is placed across the second opening of the structure to limit or prevent thermal interactions between the internal space of the structure and the ambient air.

The invention relates to the technical field of energy storage and comprehensive utilization, in particular to an equipment reuse type liquid air energy storage system and method for combined cooling and power, the system comprises a compression unit, a cold storage unit, an organic Rankine cycle unit, a heat storage unit and an expansion unit, and the system operation is divided into an energy storage stage and an energy release stage. In the energy storage stage, after the environment air is subjected to multi-stage compression, LNG high-grade cold energy is used for assisting liquefaction and storage, medium-grade cold energy drives ORC cycle power generation, and low-grade cold energy precools and compresses inlet air according to needs; and in the energy release stage, liquid air is gasified to drive ORC cycle and an expansion machine to generate power, the cold energy is recycled by the cold storage unit, and the reversible heat exchanger group realizes reuse of interstage cooling and heating functions. Through LNG cold energy gradient utilization, equipment function integration and multi-system cooperation, the problems of equipment redundancy, low efficiency and high cost of an existing system are solved, the comprehensive energy utilization rate and the system stability are improved, and electricity-cold-gas multi-energy combined supply is achieved.

A datacenter dry cooling system and method for cooling a heat-generating source are provided and directed to maximizing the absorption of cooling water applied to an evaporating pad for evaporation and ambient air cooling while eliminating any leakages. The evaporating pad is disposed on an air-to-liquid heat exchanger panel supplied by an evaporating cooling water distribution arrangement for applying the controlled amount of cooling water to the evaporating pad. The applied cooling water is to be completely evaporated while being exposed to ambient airflow to dissipate the thermal energy of the heat-generating sources. The evaporating pad includes corresponding temperature and / or humidity sensors for detecting temperature / humidity levels at an air outlet surface and a temperature and humidity sensor at an air inlet surface. A controller coupled to the temperature and humidity sensors and evaporating cooling water arrangement controls the cooling water volume flow based on the detected temperature and humidity.

A system for collecting and monitoring exposure data for an isolated worker confined to a work area in a in a hazardous materials environment includes a host computer and a display monitor located remotely from the hazardous materials environment; a first air monitor for monitoring levels of volatile organic compounds (VOCs) in ambient air outside the work area, the first air monitor being operably connected to the host computer to provide a display of the VOCs outside the work area in real-time on the display monitor; a second air monitor for monitoring levels of VOCs in ambient air inside the work area, the second monitor being operably connected to the host computer to provide a display of the VOCs inside the work area in real-time on the display monitor; and a gas sensor disposed inside the, the gas sensor being operably connected to the host computer to speciate the VOCs inside the work area into constituent chemicals and provide a display of the constituent chemicals in real-time on the display monitor.

An automatic animal feeding system is provided. Embodiments of the automatic animal feeding system include an automatic food dispenser and a food canister storing food pods. The automatic food dispenser couples to the food canister, receives a food pod form the food canister, removes a cover or lid from the food pod, presents the opened food pod for pet consumption, disposes of the food pod into a disposal compartment that is sealed off from the ambient air, and implements other steps of an automatic feeding process. Aspects of the automatic feeding process can be efficiently implemented, for example, by actuating two motors based on data received from sensors of the automatic animal feeding system. Accordingly, embodiments of the present disclosure provide a compact, control-efficient, self-cleaning automatic animal feeding system that can continuously personalize feeding patterns or feed a pet with little to no human intervention over a period of time.

The invention discloses a road temperature cloud real-time monitoring method based on a low-power-consumption internet of things, and relates to the technical field of road engineering and intelligent monitoring, and the method comprises the steps: dividing an urban road roadbed into a plurality of roadbed temperature monitoring regions, and collecting the roadbed internal temperature, ambient air temperature and communication and sampling state information; constructing a sampling stability coefficient and a link interference credibility coefficient, evaluating roadbed temperature sampling data and a communication link state, and performing adaptive regulation and control; screening, counting and extreme value suppression processing are carried out on the effective sampling data, a roadbed temperature mean value is obtained, a roadbed environment temperature difference response coefficient is calculated, and the rationality of a roadbed thermal response state is judged; and finally, data with stability, link credibility and standard conformity identifiers are uploaded to a cloud end, data quality evaluation and parameter feedback adjustment are completed, a closed-loop monitoring mechanism driven by data identifiers is formed, and thus the reliability, stability and long-term operation adaptability of road roadbed temperature monitoring are improved.

The invention comprises an apparatus, method for using the apparatus and system for balloon altitude control by in-situ characterization and active energy management. The invention presented enables transportation, autonomous operation and use of a balloon beyond the limits of conventional high-altitude ballooning to the edge of the atmosphere, or about 100 km above the surface of the Earth. The apparatus comprises at least: an envelope containing lift-gas; an envelope and lift-gas characterizer; an altitude control system operated using active energy addition and lift-gas transfer or ambient air introduction into the system; and an external payload component. The invention is capable of operating in ascent, descent, or stationary mode; the altitudinal movement of the balloon is caused by measuring in-situ envelope and lift-gas characteristics, identifying the change in the lift-gas energy needed, and facilitating the required energy change for altitude control.

An installation for separating carbon dioxide from ambient air is disclosed. The installation includes an adsorption chamber configured to bind carbon dioxide from ambient air to a sorbent, a desorption chamber configured to release carbon dioxide from the sorbent, and a cooling chamber configured to cool the sorbent after desorption. A heating mechanism is disposed within the desorption chamber to facilitate the release of carbon dioxide. The installation further includes a continuous belt configured to support or contain the sorbent and a drive element configured to transport the continuous belt through the adsorption chamber, the desorption chamber, and the cooling chamber. Also disclosed is a method for separating carbon dioxide from ambient air using the installation.

The application discloses a direct air carbon dioxide capture and utilization system and method using LNG cold energy, which comprises an LNG gasification cold release device, an air carbon dioxide capture device and a carbon dioxide utilization device; ambient air is cooled and dehumidified by a low-temperature cold energy heat exchanger of the LNG gasification cold release device and then enters the air carbon dioxide capture device; when desorbing carbon dioxide, humid carbon dioxide released by the air carbon dioxide capture device is first cooled and dehydrated by the low-temperature cold energy heat exchanger of the LNG gasification cold release device, and then is cooled and liquefied by the low-temperature cold energy heat exchanger of the LNG gasification cold release device to obtain liquid carbon dioxide product. The application solves the problem that the capture efficiency of the direct air carbon dioxide capture system is easily affected by the humidity of ambient air, and through air cooling and dehumidification, humid carbon dioxide product gas is cooled, dehydrated, liquefied and dry ice is prepared, so that the cycle efficiency of air carbon dioxide capture and the system energy utilization efficiency are effectively improved.

Cooling unit to provide a data centre with cooled liquid coolant, comprising: an air inlet 105 receiving ambient air from outside the data centre building; at least one adiabatic cooling unit 119 for

A vacuum lifting arrangement having a lifting tube and a suction foot for engaging with an object to be lifted, is disclosed, said vacuum lifting arrangement having a pneumatic valve fluidly connected to ambient air, wherein, during operation of the vacuum lifting arrangement, when an object is not engaged with the suction foot, an air-flow from the suction foot into the lifting tube is prevented by the valve which is in a closed position, and, upon generation in the suction foot of a pressure lower than the surrounding pressure, e.g. due to engagement with an object to be lifted, the valve will be in an open position, allowing an-air flow from the suction foot into the lifting tube. A lifting tube comprising a pneumatic valve for use in the lifting arrangement is also disclosed.

A system for evacuating and sealing containers filled with product, for example, food product, includes an enclosed, sealed housing wherein the pressure level and the atmospheric content can be controlled. A vacuum shroud is positioned in registry with a container entrance opening in the housing, the shroud connectible to a vacuum source and to a source of replaceable gas to replace the ambient air to be removed from the container. The shroud is advanceable to seal the container entrance opening and is retractable from the container entrance opening. A container transport system inserts the container through the housing entrance opening and into the shroud. Thereupon, a sealing system seals the housing from the ambient after the container has been inserted into the shroud. After the air in the container has been replaced with an inert gas and then the shroud retracted, a closure subsystem applies a cover to the evacuated container. Thereafter, an out feed subsystem removes the closed container from the housing while maintaining the atmospheric content and pressure level within the housing.

The invention relates to a grinding and / or polishing pad (48b; 48c) for a grinding and / or polishing machine (12a), with an abrasive interface (80a; 80b; 80c) and with at least one extraction opening (46b; 46c) arranged on a side facing away from the abrasive interface (80a; 80b; 80c). It is proposed that the grinding and / or polishing pad (48b; 48c) has at least one intake opening (78b; 78c) for drawing in ambient air, located on the side facing away from the abrasive interface (80a; 80b; 80c) and in particular on the side surface (110b).

A cooling system for an aircraft fuel cell system includes a coolant pump to circulate coolant through the cooling system and a radiator to reject heat to ambient air. A cooler zone is provided downstream of the radiator, comprising a plurality of parallel cooling branches. A warmer zone is provided downstream of the cooler zone, the warmer zone including a fuel cell stack. A bypass valve is arranged to provide coolant to the warmer zone from upstream of the radiator. A restrictor may be arranged to provide coolant to the warmer zone from downstream of the radiator.

The invention relates to a method for operating a temperature control device (1) of a motor vehicle, the temperature control device (1) having a refrigerant circuit through which a refrigerant can flow, in which a first heat exchanger (4), a second heat exchanger (22) and a refrigerant compressor for conveying and compressing the refrigerant are arranged, and a temperature control circuit (3) through which a temperature control medium can flow, in which a first heat exchanger (4), a second heat exchanger (22), an electrical energy store (7) of the motor vehicle, a third heat exchanger (5), an ambient air heat exchanger (16) through which ambient air can circulate as a fourth heat exchanger, and at least one electric machine (8) for driving the motor vehicle are arranged.