Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Air supply duct for conference room of special railway vehicles

A technology for special vehicles and meeting rooms, which is applied in the heating/cooling of railway vehicles, railway car body parts, transportation and packaging, etc. It can solve the problems of unable to meet the requirements of meeting room use and high noise, achieve good market prospects and reduce noise , Even cooling effect

Active Publication Date: 2015-09-23
CRRC NANJING PUZHEN CO LTD
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The overall noise of the air supply on the mesh roof is too high, generally about 60-62db, which cannot meet the requirements of the conference room

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Air supply duct for conference room of special railway vehicles
  • Air supply duct for conference room of special railway vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The air supply channel of the railway special vehicle meeting room of the present embodiment, such as figure 1 , figure 2 As shown, the composition includes: the main air duct 2 hoisted on the roof steel structure 1, the secondary air duct 3 hoisted below the main air duct 2 and arranged longitudinally along the car body, and the secondary air duct 3 is composed of hollow long strip profiles , the inner end sidewall of the secondary air channel 3 is provided with a secondary air channel air inlet 31 along the longitudinal gap, and the secondary air channel air inlet 31 is connected with the air outlet of the main air channel 2 through the connecting air channel 4, the secondary air channel 3 The side wall of the outer end is longitudinally provided with secondary air channel air outlets 32, and the distribution density of the secondary air channel air inlets 31 is lower than the distribution density of the secondary air channel air outlets 32. The roof steel structure...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a special air supply duct for a railway special vehicle meeting room. The air supply duct comprises a primary air duct which is hoisted on a vehicle top steel structure and a secondary air duct which is hoisted below the primary air duct along the longitudinal direction of a vehicle body, wherein the secondary air duct consists of hollow strip sections; the side wall of the inner end of the secondary duct is provided with secondary air duct air inlets at certain intervals along the longitudinal direction; the secondary air duct air inlets are connected with the air outlets of the primary air duct through a connecting air duct; the side wall of the outer end of the secondary air duct is provided with secondary air duct air outlets along the longitudinal direction; and the distribution density of the secondary air duct air inlets is lower than that of the secondary air duct air outlets. In the invention, air in the primary air duct is introduced into the secondary air duct through the connecting air duct for undergoing primary decompression, and is blown out of the air outlets of the secondary air duct for undergoing secondary decompression, so that the air speed is lowered, the air speed at the air outlets is effectively lowered, noise is reduced, uniform and smooth air supply is ensured, participants of a meeting do not feel air flowing, stable decrease or increase of the temperature in a vehicle is ensured simultaneously, and the human comfort is improved greatly.

Description

technical field [0001] The invention relates to an air supply duct for a meeting room of a special railway vehicle, and belongs to the technical field of air ducts for air conditioning systems. Background technique [0002] The air-conditioning ventilation channel and air supply form of the conference room of railway special vehicles are arranged according to the special requirements of the car body. Mesh roof has strict requirements on the air supply speed. Generally, the diameter of a single air supply hole is 3-7mm, and high air supply speed is prone to whistling; low air supply speed will result in poor cooling effect. In addition, the number of mesh holes on the top plate is large and the area is large. In order to ensure uniform air supply, there is no dead angle of air supply. There are tens of thousands of ventilation holes on the whole roof plate, the roof plate needs to be cleaned regularly during use, and the maintenance work is heavy. The overall noise of the a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B61D27/00
Inventor 朱明于海飞何少雯
Owner CRRC NANJING PUZHEN CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com