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1553 results about "Air exchange" patented technology

Method and apparatus for monitoring air-exchange evaporation in a refrigerant-cycle system

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Medical air purifying sterilizer and operation mode thereof

The invention discloses a medical air purifying sterilizer and an operation mode thereof and belongs to the technical field of air exchange devices. The medical air purifying sterilizer comprises a shell, an outdoor new air inlet, a new air inwards-leading fan, a full-heat exchanger core, an indoor direction-changeable vent, an indoor dirt air inlet, a dirt air outwards-leading fan and an outdoor dirt air outlet and further comprises a humidifier, an air purifying and sterilizing system, a centrifugal fan and an indoor sterilizing and purifying outlet. The shell is a cabinet type shell, and the whole cabinet type shell is of an air-pipe-free vertical cabinet floor stand structure. The air purifying and sterilizing system comprises a low-efficiency filter, a medium-efficiency filter, a high-voltage electrostatic dust collector, an activated carbon absorber and a photocatalyst catalyzing and sterilizing sterilizer. A new air inwards-introduced and energy recovery channel, a dirt air discharging and energy recovery channel, an air purifying and sterilizing channel and a new air inwards-leading, energy recovery and air purifying and sterilizing channel can be formed. The medical air purifying sterilizer has the advantages that bacteria, viruses, formaldehyde, benzene and ozone concentration do not exceed standards, pollution of PM2.5 particles do not exist, the sterilizing cost is low, and energy can be recovered.
Owner:NINGBO DONGDA AIR CONDITIONING EQUIP

Method for ventilating double-hole tunnel network

InactiveCN101655012ATunnel/mines ventillationAir volumeQuantity method
The present invention discloses a method for ventilating double-hole tunnel network, which comprises the following steps : A. installing two transverse ventilation channels for exchanging air at the appropriate positions of two channels for forming a bidirectional air exchange system; B. designing the most economic air quantity of the double line to one half of the total required air quantity of the channel; C. confirming the positions of the transverse ventilation channels according to a principle that the energy consumption of the ventilation is minimal; D. obtaining the quantity of the airexchanged by the bidirectional air exchange system according to the principle that the air exchange quantities of two transverse channels are equal and the concentrations of the pollutant at the channel outlets are equal for obtaining the air quantity exchanged by the bidirectional exchange system; E. dividing a ventilation network map according to the position of the transverse ventilation channels; F. calculating the ventilation network according to an air quantity balancing law, an air pressure balancing law and a resistance law; G. calculating the pressure of the ventilation network with amesh iteration correction air quantity method; and H. confirming the number of sets and standards of the fans according to the pressure increase and air quantity required by each ventilation segmentof the network. The method for ventilating double-hole tunnel network cancels the vertical ventilation well, greatly reduces the ventilation equipment and can greatly reduce the building cost and operation management cost.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD +1

Laying hen breeding method

The invention discloses a laying hen breeding method, which comprises the following steps of (1) chicken culture: lively and healthy chickens with regular size are selected, and the chickens are cultured at 36 to 37 DEG C; (2) growing period breeding: after one month, the chickens are moved out from a chicken culture room, and are bred at 21 to 24 DEG C, the breeding density is 20 to 25 chickens per square meter, the relative humidity is 55 to 60 percent, the illumination time is 8 to 10h/d, and the illumination intensity is 1 to 1.3w/m<2>; (3) egg laying period culture: the breeding density is 15 to 20 chickens per square meter, the temperature is 15 to 23 DEG C, the humidity is 60 to 70 percent, starting from 20 week old, the illumination is increased by 0.5h per week until the illumination time is 14 to 16h/d, in addition, the illumination intensity is increased to 4 to 5w/m<2>, and in four weeks before the hen elimination, the illumination time is gradually prolonged to 17h until the elimination, eggs are picked in time for creating egg-free environment; (4) hygiene and disease control: ventilation and air exchange are carried out in a henhouse in time, and air in the henhouse keeps fresh. The invention provides the healthy and scientific laying hen breeding method capable of improving the laying hen rate.
Owner:重庆市长寿区莉峰蛋鸡养殖场

Environmental test chamber for monitoring purification effect of air purifying products

InactiveCN102489348ARealize adjustablePurification effect monitoringEnclosures/chambersControl systemWorking environment
The invention discloses an environmental test chamber for monitoring purification effect of air purifying products, which comprises a sealed box body, a sample introducing/sampling system, a temperature/humidity control system, a light source control system, an air channel internal circulation and air flow rate control system, an air exchange system and a control panel; in the environmental test chamber of the invention. an environment compounding cavity, independent of the external environment, is formed by the sealed box body, and environmental parameters in the environmental test chamber can be regulated and controlled by the sample introducing/sampling system, the temperature/humidity control system, the light source control system, the air channel internal circulation and air flow rate control system and the air exchange system so as to simulate different environmental conditions. The environmental test chamber of the invention has the advantages of providing a test environment with good stability and uniformity and comprehensively simulating the actual working environment of air purification, so that the environmental test chamber can be used for monitoring the purification effect of air purifying products and is also applicable for monitoring the purification effect of nanometer purifying products based on photocatalysis.
Owner:WUHAN UNIV +1

Solar intelligent ventilation system for car

The invention relates to a solar intelligent ventilation system for a car. The solar intelligent ventilation system comprises an air supply system, a compartment air exhaust system, a power supply module, a parameter measurement module, a parameter acquisition and equipment control MCU, a human-car conversation module, a car-mounted electric generator and a car window motor, wherein the air supply system consists of a car-mounted air conditioner air supply fan, an air supply valve and an air supply outlet; the compartment air exhaust system consists of an air suction opening of an exhaust fan and the exhaust fan; the power supply module consists of solar power generation films, a battery and a power supply switching device; the parameter measurement module consists of a temperature sensor, a CO2 concentration sensor and a CO concentration sensor, a car running status and parameter output port and a multi-channel analog-to-digital converter; and the human-car conversation module consists of a callable intelligent PAD (built-in GPS) and a car-mounted audio system. The solar intelligent ventilation system disclosed by the invention is mainly used in the state of car parking, so that ventilation and air exchange in the compartment can be kept, the temperature in the car can be reduced, death of children or pets, that are kept in the car inadvertently, due to high temperature or oxygen deficit can be prevented effectively, the aging of car interiors can be prevented effectively, and toxic volatile matters released by the interiors can be discharged in time.
Owner:韩建平

Vehicle, and method and system for guaranteeing safety of lives and environments in vehicle

The invention discloses a method for guaranteeing the safety of lives and environments in a vehicle. The method includes judging whether the integral vehicle is in a lock state or not; continuing to judge whether vital signs are available in the current vehicle or not if the integral vehicle is in the lock state; detecting parameters of the environments in the current vehicle if the vital signs are available in the current vehicle; starting up a vehicular air conditioner for ventilating the inside of the vehicle if preset dangerous environmental conditions are met by the parameters of the environments in the current vehicle. The invention further discloses the vehicle and a system for guaranteeing the safety of the lives and the environments in the vehicle. The vehicle, and the method andthe system for guaranteeing the safety of the lives and the environments in the vehicle have the advantages that the lock state of the integral vehicle, the vital signs in the vehicle and the parameters of the environments in the vehicle are sequentially detected and judged, and accordingly the environments where personnel stranded in the current vehicle can be accurately acknowledged; ventilationand air exchange operation is carried out on the inside of the vehicle by the aid of the vehicular air conditioner, accordingly, dangerous situations of suffocation of children or people without theperfect capacity for act due to the fact that the children or people without the perfect capacity for act are stranded in the vehicle by negligence of guardians can be effectively prevented, and the life safety of the personnel in the vehicle can be guaranteed.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD +2

Power multifunctional equipment box

The invention discloses a power multifunctional equipment box, which comprises an equipment box body, wherein four telescopic poles are evenly distributed on the periphery of the bottom end of the equipment box body; a hydraulic cylinder matched with each telescopic pole is arranged at the bottom end of the corresponding telescopic pole; an anti-skid foot pad is arranged at the bottom end of each hydraulic cylinder; a concave tray is welded at the bottom end of the equipment box body; a permeable plate is arranged at the bottom end of the concave tray; and the upper part of the concave tray is horizontally connected with an acoustical panel. An equipment box head cover is arranged at the top end of the equipment box body through a net connector, so that hot airflow is conveniently discharged from the net connector under the action of a fan blade; a temperature strain rod automatically changes the length according to the temperature in the equipment box body; the opening and closing degrees of separation blades are changed through transverse support rods and hinges respectively; the air exchange capacity is automatically adjusted; the emitted noise is reduced through the acoustical panel; the radiation quantity of the equipment box body is reduced by a radiation-proof coating; and the effects on the surroundings are reduced.
Owner:PENGLAI POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO

Efficient crushing system for chemical raw material

ActiveCN107469966AIncrease the flow to replace quick-frozenImprove crushing efficiencySievingScreeningIon exchangeAir exchange
The invention relates to the field of chemical raw material drying and crushing, in particular to an efficient crushing system for a chemical raw material. The efficient crushing system comprises a tank, and further comprises a crushing device, an air supply device, a crushing acceleration device, and an air exchange and collecting device, wherein a left bracket is arranged on the left side of the tank; a right bracket is arranged on the right side of the tank; the crushing device is used for crushing; the air supply device is used for drying; the crushing acceleration device is used for improving the crushing efficiency; the air exchange and collecting device is used for improving the drying speed and collecting the chemical raw material; supporting legs are arranged under the tank; a discharging pipe is arranged on the right side of the tank; an open slot used for the assembly and maintenance is formed in the top end of the tank; a top cover is mounted inside the open slot; and a feeding pipe is connected onto the left bracket. The efficient crushing system provided by the invention has the advantages that such a manner that a crushing shell and a crushing rotation shaft rotate simultaneously can be adopted in a crushing process, and thus the crushing efficiency can be improved; the air exchange and collecting device is adopted in a drying process, so that the flow and exchange speed of air inside a drying tank can be improved when the chemical raw material is collected; and accordingly, the drying effect can be obviously improved.
Owner:LONGNAN COUNTY XUEFUTE NEW MATERIAL TECH
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