Abstract

The present invention relates to an automatic heating and cooling control method for an air condition controller in a vehicle. The purpose of the present invention is to provide smoother operation and more comfortable environments than in conventional methods and to reduce the frequency of console manipulations by using an operation mode according to words describing sensations rather than temperature and automatically controlling heating and cooling of air inside a compartment according to the operation mode, instead of manually adjusting the inside temperature of the compartment every time. To this end, the automatic heating and cooling control method for an air conditioner in a vehicle, according to the present invention, comprises the steps of: selecting, by a user, a desired air operation mode of an air conditioner; measuring, by the air conditioner, inside temperature and outside air temperature according to the selected air operation mode to determine a cooling, heating, or fan operation, and starting an initial operation therefor; setting an inside temperature according to the outside air temperature when a mode for the initial operation terminates; adjusting the set inside temperature according to a compensation value obtained from the current inside temperature; and operating the air conditioner set at a final target temperature obtained by adding the adjusted temperature to a compensation temperature determined according to the operation modes.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices

Abstract

The present invention relates to virtual wind tunnel analysis that enables a user to determine whether a designed model is suitable and, more particularly, to a virtual wind tunnel system and a heat flow analysis method which requires no special experienced analyst for thermal flow analysis and enables an untrained user to directly analyze a heat flow. The method comprises: a step of creating a model file by a CAD program; a pre-processing step of generating, by a user, a volume mesh and a surface mesh by calling the model file via a GUI in an integration environment of a computer; a solving step of processing the generated information so as to calculate an analysis result value; and a post-processing step of visualizing the result value, wherein the pre-processing step is a step of reading the model file, generating a domain suitable for a model size, inspecting and cleaning an intersection, and then specifying a mesh input value (a boundary condition) so as to automatically generate the surface mesh and the volume mesh, and the post-processing step is achieved in the integrated environment of the computer. A method and system for automatic virtual wind tunnel analysis, configured according to the present invention, does not require learning and understanding of complicated and specialized menus provided by a CAE program, and enables generation of a mesh and configuration of a boundary condition (an analysis condition) to be automatically performed only by specifying a pre-defined attribute value by a designer during a work procedure of modeling a 3-dimemsional stereoscopic shape, without relying on the designer's expertise.

IPC Classes  ?

• G06F 17/50 - Computer-aided design

Abstract

The present invention relates to a method and a system for automatic flow field analysis using a web-based virtual wind tunnel and is characterized by a method for automatic flow field analysis using a web-based virtual wind tunnel and a system for performing the same, the method comprising: a step (S10) of allowing a user PC to generate a standardized 3D model; a step (S20) of allowing the user PC to be accessed to a website so as to upload the generated 3D model file; a user environment configuration step (S30) of allowing the user PC to transmit physical property information of the 3D model for which flow analysis is to be performed in the virtual wind tunnel; a step (S40) of allowing a server to generate an optimal virtual wind tunnel environment through the website on the basis of the 3D model and the physical property information thereof; a step (50) of allowing the server to automatically perform flow analysis; and an automatic flow analysis result deriving step (S60) of allowing the server to transmit the derived flow analysis information through the website.

IPC Classes  ?

• G06F 17/50 - Computer-aided design
• G06T 17/00 - 3D modelling for computer graphics
• G01M 9/02 - Wind tunnels

Abstract

According to an embodiment of the present invention, a method for fan simulation through flow analysis comprises the steps of: inputting point data and tester dimensions by a user; performing a calculation for the point data to generate the shape of a fan, and generating a tester from the tester dimensions; generating a grid on the fan; inputting a boundary condition for the fan so as to analyze flow produced by the fan; and calculating a noise index from the analysis, wherein the noise index is proportional to a pressure deviation according to a position of the fan when the flow produced by the fan is in a steady state.

IPC Classes  ?

• G06F 17/50 - Computer-aided design
• G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
• G01H 17/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass

Abstract

According to the present invention, an LED module with a cooling passage, comprises: a light source unit having a plurality of LED's which provide light through an appropriate power supply; and one or more cooling units which form said cooling passage, which combine the heat generated from the LEDs with ambient (外氣) heat and discharges the combined heat in an opposite direction.

IPC Classes  ?

• F21V 29/02 - Cooling by forcing air over or around the light source (cooling arrangements structurally associated with electric lamps H01J 61/52, H01K 1/58)
• F21V 7/20 - specially adapted for facilitating cooling, e.g. with fins
• F21V 15/00 - Protecting lighting devices from damage

Abstract

The present invention relates to a bent-type heat dissipater, comprising: at least one or a plurality of heat sinks which are adapted with cooling apertures; at least one or a plurality of cooling pins which are bent in structure, and which are integrated to said heat sinks; and a central heat passage for combining heat moving in one direction with ambient air, and discharging the heat in the opposite direction.

IPC Classes  ?

• F21V 29/00 - Protecting lighting devices from thermal damageCooling or heating arrangements specially adapted for lighting devices or systems