Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

23 results about "Air dispersion" patented technology

An air dispersion model is a set of mathematical equations that relates the release of air pollutants from emission sources to the corresponding concentration of pollutants in the ambient air. These models are tools used to determine if the emissions from a source can meet a specific ambient air standard.

Truck emission exposure measuring and tracing method, system and device based on resident activity distribution and medium

The invention discloses a method, a system, equipment and a medium for calculating and tracing truck emission exposure based on resident activity distribution, and belongs to the technical field of environment and traffic, and the method comprises the steps: building a microscopic air diffusion model based on the emission data of a vehicle, and simulating the concentration distribution of each pollutant after diffusion; capturing activity tracks of residents, considering activity characteristics of urban residents, combining pollutant concentration data with crowd activity distribution information data, and calculating dynamic and static exposure levels of resident pollutants in unit grids within a preset time; and establishing a risk assessment model, assessing and analyzing influence factors of pollutant exposure and an action mechanism of the influence factors, and executing a space treatment strategy. According to the method, the influence of truck emission on resident health is accurately measured and traced by combining a microscopic air diffusion model and mobile phone signaling data. According to the method, the activity track of residents is captured by simulating pollutant concentration distribution, and the dynamic and static exposure levels of the residents are calculated.
Owner:TONGJI UNIV

Air diffuser body

1. The name of this design product: the main body of the air diffuser. 2. Purpose of the product of this design: overall use is for air diffuser; local use is for the main body of the air diffuser. 3. The key design point of this design product lies in the shape of the solid line part. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design. 6. Other circumstances that require explanation: This application is for a partial design. The portion indicated by the solid line in the Design 1 and Design 2 views is the portion for which protection is applied for.
Owner:星火创新者公司

Self-cleaning air filter

The utility model discloses a self-cleaning type air filter which comprises an air filter housing, a vertically-placed air filter element is installed in the air filter housing, a positioning sleeve is installed on the outer wall of the bottom of the air filter housing through an opening, the inner wall of the positioning sleeve is connected with a sliding pipe in a sliding mode, and the sliding pipe is connected with the air filter element in a sliding mode. A hollow lifting disc is fixedly arranged on the outer wall of the top of the sliding pipe, blowback air holes distributed at equal intervals are formed in the outer wall of the hollow lifting disc, and the outer walls of the blowback air holes are slidably connected with the inner wall of the air filter element. According to the utility model, gas is input into the blowback pipe through the gas guide pipe by the compressor, the gas in the blowback pipe is input into the sliding pipe through the positioning sleeve, the gas in the sliding pipe is input into the hollow lifting disc and is discharged from the blowback gas holes, and the gas can be concentrated through the hollow lifting disc to wash a specified area in the air filter element; air dispersion is avoided, and the flow speed of gas flushing the air filter element can be increased.
Owner:ZHUHAI HUAXIN PURIFICATION EQUIP CO LTD

Air diffuser box and method of attaching the air diffuser box to the ceiling board

To provide an air vent box which can attach an air vent member to an air vent box at any time after the pasting construction of a ceiling foundation when installing the air vent box to a ceiling space of a building, and an attachment method of the air vent box to a ceiling board.SOLUTION: In an air vent box 1 in which a duct connecting part 3 is arranged at one side face of an air vent box main body which is composed of a square cylindrical hollow body, and a gas flow-out port 4 is arranged at a lower face, an air vent member 8 attached to the gas flow-out port is accommodated and stored in the air vent box main body so as to be withdrawal from the gas flow-out port, the air vent box is attached to an attic space between an upper-floor concrete slab and the ceiling board by an attachment tool 7 before the construction of the ceiling board 30, after that, the air vent member which is accommodated and stored in the air vent box main body is withdrawn from an opening part 31 which is opened at the ceiling board via the gas blowout port after pasting the ceiling board, and the air vent member which has been withdrawn is attached to the gas blowout port.SELECTED DRAWING: Figure 5
Owner:SANKI ENG CO LTD

Air dispersion components, air conditioner indoor units and air conditioners

The present invention provides an air dispersion assembly, an air conditioner indoor unit, and an air conditioner. The air dispersion assembly includes: a base plate, the base plate including a mounting cavity; at least one swirl portion disposed in the mounting cavity, at least a portion of the swirl portion being capable of protruding from the mounting cavity; a sidewall of the swirl portion being provided with a plurality of first air outlets, the plurality of first air outlets being distributed circumferentially along the swirl portion, and the first air outlets being in communication with the mounting cavity. The air dispersion assembly provided by the present invention has a plurality of first air outlets disposed on the sidewall of the swirl portion, so that airflow is discharged into the environment through the first air outlets, achieving lateral air discharge from the air dispersion assembly, preventing the airflow from blowing directly onto people, and achieving windless air discharge. Furthermore, because the first air outlets are disposed on the sidewall of the swirl portion, compared to frontal air discharge, no grilles are required, thereby reducing overall air discharge resistance, increasing exhaust volume and efficiency, and enhancing the windless effect.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Air outlet module and air conditioner

The present invention discloses an air outlet module and an air conditioner. The air outlet module includes an air outlet plate and multiple air dispersion caps. The air outlet plate is provided with multiple air outlet holes. Each air dispersion cap covers the air outlet end of one of the air outlet holes. The side walls of the air dispersion caps are provided with air dispersion holes connected to the air outlet holes. In two adjacent air dispersion caps, the air supply direction of some of the air dispersion holes of one of the air dispersion caps intersects with the air supply direction of some of the air dispersion holes of the other of the air dispersion caps. The air outlet module of the present invention can solve the problem of poor air outlet comfort due to a lack of wind sensation.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Pollution and carbon reduction space function partitioning method based on multi-modal deep learning

The invention discloses a pollution and carbon reduction space function partitioning method based on multi-modal deep learning. The method comprises the following steps: firstly, constructing a multi-modal spatial index system covering environmental bearing capacity, environmental pressure and pollution reduction and carbon reduction potential, including an air diffusion index, an ecological carbon sink index, and a traffic emission pressure index and pollution reduction and carbon reduction potential considering a road network, population, lamplight and function mixing degree; secondly, uniformly resampling, standardizing and synthesizing the multi-source spatial indexes into a multi-band raster data set; then a multi-branch convolutional neural network model is constructed, the multi-branch convolutional neural network model comprises three independent convolution branches corresponding to bearing capacity, pressure and potential index groups respectively, and after branch output features are fused, the probability that each space unit belongs to different function partitions is calculated in a low-dimensional embedding space through a deep embedding clustering algorithm; and finally, generating a pollution-reducing and carbon-reducing space function partition grid map according to the maximum probability. According to the method, deep fusion, automation and refined partitioning of the multi-source heterogeneous spatial data are realized.
Owner:INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI

A device and method for determining the thermal conductivity of a green roof

The application relates to a device and a method for measuring the thermal conductivity coefficient of roof greening, which comprises a closed test chamber, a heater (1) arranged at the top of the closed test chamber, a water sample contrast module (6) arranged at the bottom of the closed test chamber, and temperature sensors arranged on the upper and lower surfaces of the water sample contrast module (6) and a roof greening or wall greening module (3) to be tested. The closed space is heated by a non-contact heater in a hot air diffusion mode, the roof greening module to be tested and the water sample contrast module with the same specification are placed on the bottom ground of the closed space, the heat is conducted downward, and when the temperature difference between the upper and lower surfaces of the roof greening reaches stability, the thermal conductivity coefficient of the roof greening can be calculated by referring to the known water sample contrast. Compared with the prior art, the application avoids the damage of a heat source to plants, only needs to record the temperature difference between the upper and lower surfaces of the test sample in a steady state during the test, and can be applied to the measurement of the thermal conductivity coefficient of various non-homogeneous and complex structure materials.
Owner:SHANGHAI JIAOTONG UNIV

Precise intelligent oxidation aeration energy-saving device

The application discloses a precise intelligent oxidation aeration energy-saving device, which comprises a blower, an air diffusing device, an aeration area, a water quality on-line monitoring instrument or an oxygen content instrument, an intelligent control system and a related data and remote maintenance system, the aeration area is arranged on the side of the blower, the air diffusing device is used for connecting the blower and the aeration area, the aeration area is internally provided with an aeration moving structure and a plurality of aeration diffusion structures which are communicated with the air diffusing device, and the plurality of aeration diffusion structures are equidistantly arranged on the aeration moving structure. The blower is designed with a variable frequency motor to control the aeration amount, so that the energy consumption of a sewage treatment plant / desulfurization oxidation system is reduced, the device is standardized and modularized in design and production, stable in performance and good in environmental and economic benefits; through an advanced neural network model and intelligent control technology, the aeration amount can be accurately and intelligently adjusted in real time, and the device is convenient for remote maintenance and efficient operation.
Owner:GUANGDONG RONGSHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Unpowered air circulation device for ceiling recessed air conditioner

The invention is a non-powered air circulation device (100) for a ceiling-embedded air conditioner, comprising: a mounting portion (110) mounted on an embedded air conditioner (10); a diffusion portion (130) that diffuses air coming from an air outlet (11) of the embedded air conditioner (10) to a high place near a ceiling; an air intake portion (150) that forms a tornado-shaped column of air at an intermediate position or a low place near a floor and sucks the air into an air intake portion (12) of the embedded air conditioner (10); and a connecting portion (170) connecting the diffusion portion (130) and the air intake portion (150).
Owner:大韩商场株式会社

Air dispersion device and floor-standing air conditioner

The present invention discloses an air dispersion device and a floor-standing air conditioner. The air dispersion device includes an air dispersion frame and an air dispersion module. The air dispersion frame includes a first air dispersion plate and a second air dispersion plate, with an air passage cavity formed between the first and second air dispersion plates. The first air dispersion plate is provided with air dispersion holes, and the second air dispersion plate is provided with a vent. The air dispersion module includes a moving impeller rotatably disposed within the air passage cavity and configured to diffuse airflow. The air dispersion device of the present invention can improve the windless air dispersion effect, thereby enhancing the comfort of the air dispersion device.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Air conditioner and control method thereof, and computer readable storage medium

The present invention discloses a control method for an air conditioner, based on an air conditioner provided with a double-layer air dispersion plate at the air outlet, the method comprising: when the air conditioner is in cooling operation, controlling the air guide assembly to operate in a target air guide state, obtaining the indoor heat exchanger temperature and the indoor dew point temperature; determining the target frequency of the compressor according to the indoor heat exchanger temperature and the indoor dew point temperature; controlling the compressor to operate at the target frequency; wherein the target air guide state is that the first air dispersion plate blocks the air outlet, and the second air dispersion plate blocks the airflow in the housing blowing toward the first air dispersion plate, and the wind speed of the indoor environment in the target air guide state is less than a set wind speed threshold, and the wind feeling index of the indoor environment is less than a set wind feeling index threshold. The present invention also discloses an air conditioner and a computer-readable storage medium. The present invention aims to prevent condensation from occurring at the air outlet of the air conditioner in a comfortable wind feeling mode.
Owner:MIDEA GROUP CO LTD +1

Detection device for detecting gas containing aldehydes and ketones

The utility model relates to the technical field of detection devices, in particular to a detection device for detecting gases containing aldehydes and ketones, which comprises a transmission device, a conveying structure and a detection device, the upper end of a flowmeter in the transmission device is connected with a vaporizing chamber in the conveying structure through a fourth pipeline, one side of the vaporizing chamber is connected with a connector through a fifth pipeline, and the other side of the vaporizing chamber is connected with a second pipeline. The lower end of an external tank body in the conveying structure is connected with a conveying pipeline through a bottom pipeline connected through a bolt, one side of the conveying pipeline is connected with an emptying groove through a sixth pipeline, the upper end of the emptying groove is connected with a second shell through a twelfth pipeline in the detection device, and the upper end of the second shell is connected with a thirteenth pipeline through a bolt. An insulating material can be placed through the insulating groove, mixed gas can be ignited through the igniter, the contact interface between air and mixed liquid can be enlarged through the air diffuser, gas can be transmitted through the tenth pipeline, the eleventh pipeline and the thirteenth pipeline, and information can be recorded through the recorder.
Owner:SHANGHAI VEICHI STANDARD GAS ANALYSIS TECH CO LTD

Combustor

The invention provides a combustor which comprises a fire distributor, an inner fire cover and an outer fire cover, an air channel and an outer ring gas channel are formed between the fire distributor and the outer fire cover, and the air channel and the outer ring gas channel are not communicated. The outer fire cover is provided with a plurality of outer fire holes distributed along the first circumference of the outer fire cover and a plurality of outer air holes distributed along the second circumference of the outer fire cover, each outer fire hole corresponds to one outer air hole to form an air hole set, and the axes of the outer fire holes and the axes of the outer air holes in the same air hole set are located on the same radial line. A first included angle is formed between the axis of the outer fire hole and the bottom plane of the outer fire cover, a second included angle is formed between the axis of the outer air hole and the bottom plane of the outer fire cover, the first included angle is alpha 1, the second included angle is alpha 2, and the first included angle and the second included angle meet the following relation that alpha 2 is larger than 0 degree and smaller than alpha 1 and smaller than 90 degrees. According to the combustor, secondary air can make contact with gas flames instantly after being sprayed out, air diffusion and loss are avoided, and the air utilization rate is increased to 80% or above.
Owner:GUANGDONG MACRO GAS APPLIANCE

Pipettor with supporting structure

The utility model relates to the technical field of pipettors, in particular to a pipettor with a supporting structure, which comprises a pipettor body, a protection mechanism is arranged on a needle head of the pipettor body, and a supporting mechanism is arranged outside the pipettor body. After the pipettor body completes sampling, the pressing plate is pushed to drive the sliding rod to slide down in the sliding groove, so that the semicircular cylinders connected with the sliding rod slide out of the storage shell, and after the storage shell slides out, the pressing plate is pushed to enable the two semicircular cylinders to be spliced and wrapped in a needle head area of the pipettor body, so that sealing is formed, and it is avoided that a small amount of residual liquid is left on the outer wall of a needle head; the problems that the pipettor body is easy to drop or diffuse in the air and pollutes the surrounding environment are solved, and when the pressing plate is pushed to drive the sliding rod to slide down in the sliding groove, the sliding rod can drive the pushing ring to descend together, and the supporting legs hinged to the sliding block are driven to descend through the pushing ring, so that the supporting legs are convenient to descend and unfold for supporting, and the stability of the pipettor body during placement is ensured.
Owner:WANLI (NANTONG) INSTR TECH CO LTD

Membrane differential pressure estimation device and air dispersion amount control device

Not bound to the general idea of air blow amount control, a temporal change in the differential pressure between the membranes is appropriately estimated in order to perform proper membrane filtration operation. The estimation device (2) has: an input data acquisition section (21) that acquires input data measured in the membrane filtration operation, derived from operation data including the membrane filtration pressure and the air blow amount; and an estimation section (23) that performs M (M is an integer of 2 or more) times of processing that is a specific processing of estimating the differential pressure between the membranes after a prescribed time using a regression model (31), and updating the input data by changing the differential pressure between the membranes included in the input data to the estimated differential pressure between the membranes, with a part of the data included in the input data being different, and performs N (N is an integer of 2 or more) times of processing, thereby obtaining M estimation results of the temporal change of N times the prescribed time or more for the differential pressure between the membranes.
Owner:KUBOTA CORP

Fry breeding oxygen enrichment equipment

The utility model discloses a fry culture oxygen enrichment equipment, including air pump and support frame, one side of air pump is provided with the air inlet pipe that extends upward to the horizontal plane, the other side of air pump is provided with the air outlet pipe, the surface of air outlet pipe is fixedly communicated with a plurality of air injection branch pipe, the outer side of air outlet pipe and the outer side of air pump are fixedly connected with the counter-balanced carriage, and the counter-balanced carriage is fixedly connected with the support frame. A plurality of pull ropes are fixedly connected to the upper surface of the counter weight frame, two winding rollers and a floating box are arranged on the inner side of the supporting frame, the floating box is fixedly connected to the inner side of the supporting frame, and the two winding rollers are synchronously and rotationally connected to the inner side of the supporting frame. By arranging the buoyancy tank and the counterweight frame, the air outlet pipe can suspend in water, and the pull rope can be wound by utilizing the rotation of the winding roller, so that the distance between the air outlet pipe and the air injection branch pipe and the culture pond or the bottom of the pond can be adjusted, and the air outlet pipe is not in contact with the culture pond or the bottom of the pond; and the situation that the air dispersing mechanism blows up dirt deposited at the bottom, and consequently water is polluted is effectively avoided.
Owner:HUBEI YUHEYUAN AGRICULTURAL TECHNOLOGY CO LTD

Efficient heat dissipation type low-voltage switch cabinet

The utility model discloses a high-efficiency heat dissipation type low-voltage switch cabinet, which relates to the technical field of low-voltage switch cabinets and comprises a cabinet body and a barrier assembly. Three corresponding temperature sensors are installed on the right side of the interior of the cabinet body, U-shaped connecting grooves which are evenly distributed are formed in the inner wall of the cabinet body, two corresponding clamping grooves are formed in the left side and the right side of the interior of each U-shaped connecting groove, a second air blowing assembly is installed on the rear side of the cabinet body, and an air inlet assembly is installed in the middle of the rear side of the interior of the cabinet body; the blocking assembly comprises partition plates, T-shaped holes, pull rods, T-shaped pull ropes, fixing rings, sliding rods, clamping heads and springs, the two corresponding partition plates are arranged in the upper U-shaped connecting groove and the lower U-shaped connecting groove, the two partition plates are located among the three temperature sensors, the T-shaped holes are formed in the middles of the partition plates, the two corresponding fixing rings are fixed to the left end and the right end of the rear side in each T-shaped hole, and the clamping heads are located between the two corresponding fixing rings. Segmented heat dissipation can be carried out, air dispersion is avoided, and the heat dissipation efficiency is improved.
Owner:JIANGSU CHANGMING POWER EQUIP CO LTD

A method for evaluating flotation processes

This invention provides a method for investigating flotation processes, relating to the field of flotation technology. The method includes: a gas phase investigation step: acquiring and comparing data on air dispersion, bubble size distribution characteristics, and gas holdup inside the flotation machine; a solid phase investigation step: sampling from horizontal sections at different depths of the slurry phase to obtain data on the bubble loading level in the slurry phase, and sampling from different depths of the slurry phase to obtain data on the distribution of solid particles in the liquid phase of the slurry phase, comparing the loading level data and the distribution data; and a flotation cell product investigation step: using a sampler to sample the flotation machine and the foam and underflow at each stage of the entire flotation process, screening and analyzing the samples, and comparing them with the loading level data. This method allows for a more systematic and comprehensive analysis of the investigation data, which is of great significance for optimizing the beneficiation plant process and equipment operating parameters.
Owner:BGRIMM MACHINERY & AUTOMATION TECH CO LTD