Method and device for testing engine mechanical noise
A technology of mechanical noise and testing equipment, which is applied in vibration and acoustic roughness NVH experiments, and in the field of automobile noise, can solve the problems of high equipment requirements, large amount of calculation, complex calculation process, etc., and achieve strong universality and high precision. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0043] The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0044] refer to figure 1 In this preferred embodiment, the engine mechanical noise testing device includes an engine 1 , a crankshaft position sensor 2 , four cylinder pressure sensors 3 , a sound intensity array 4 , a signal acquisition system 5 and a computer 6 . The crankshaft position sensor 2 , the cylinder pressure sensor 3 and the sound intensity array 4 are all connected to the data acquisition system 5 through signal cables, and the data acquisition system 5 is connected to the computer 6 through signal cables. The sound intensity array 4 is facing the mechanical noise source to be measured on the engine, and the d...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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