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Automobile knock intensity discrimination system

A technology of knock intensity and automobile, which is applied in the direction of measuring devices, instruments, engine control, etc. It can solve the problems of inconvenient loading and inconvenient detection of engine knock of different models, and achieve the effect of reasonable design, convenient and accurate measurement of jitter

Active Publication Date: 2019-10-22
河南美力达汽车有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings of the existing automobile knock intensity discrimination system that it is inconvenient to load different types of engines, and it is inconvenient to carry out knock detection on different types of engines, and proposes a kind of automobile knock intensity discrimination system

Method used

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  • Automobile knock intensity discrimination system

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Experimental program
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Effect test

Embodiment 1

[0029] refer to Figure 1-5 , a car knock intensity discrimination system, including a power module, the power module is connected with a control module, the control module is connected with a brand matching module, an engine module and a data analysis module, the brand matching module is connected with a calibration module, and the calibration The module is connected with the engine module, and the engine module is connected with a vibration intensity monitoring module. The data analysis module and the control module adopt bidirectional transmission. The engine module includes a frame 1 and an engine body 3 located on the frame 1. The bottom of the engine body 3 The mounting seat 4 is welded on the side, the top side of the frame 1 is provided with a rectangular hole 5, the bottom side of the frame 1 is slidably connected with a clamping plate 7, the front side of the clamping plate 7 is rotated and installed with a gear 8, and the front side of the gear 8 is welded with worm...

Embodiment 2

[0041] refer to Figure 1-5 , a car knock intensity discrimination system, including a power module, the power module is connected with a control module, the control module is connected with a brand matching module, an engine module and a data analysis module, the brand matching module is connected with a calibration module, and the calibration The module is connected with the engine module, and the engine module is connected with a vibration intensity monitoring module. The data analysis module and the control module adopt bidirectional transmission. The engine module includes a frame 1 and an engine body 3 located on the frame 1. The bottom of the engine body 3 The mounting seat 4 is fixed on the side by bolts, the top side of the frame 1 is provided with a rectangular hole 5, the bottom side of the frame 1 is slidingly connected with a clamping plate 7, and the front side of the clamping plate 7 is rotated and installed with a gear 8, and the gear 8 The front side is fixed ...

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Abstract

The invention belongs to the technical field of engine detection and particularly relates to a vehicle knock intensity discrimination system. A follow scheme is proposed for a problem that an existingautomobile knock intensity discrimination system is inconvenient to load different types of engines and the knock detection of the different types of engines is inconvenient. The system comprises a power module, a control module is connected to the power module, a brand matching module, an engine module and a data analysis module are connected to the control module, a calibration module is connected to the brand matching module, the calibration module is connected to the engine module which is connected to a vibration intensity monitoring module, and the bidirectional transmission is adoptedbetween the data analysis module and the control module. The design of the system is reasonable, different types of engine bodies can be loaded onto a frame, the vibration amplitudes of the differenttypes of engine bodies when the engine bodies are started at different powers can be monitored, and therefore, the jitter of the engine bodies can be conveniently and accurately measured.

Description

technical field [0001] The invention relates to the technical field of engine detection, in particular to an automobile knock intensity discrimination system. Background technique [0002] Knocking is a unique working state of gas pre-mixed combustion engines, and it is also one of the difficulties that limit the performance of gasoline engines. The main performance is that the compression ratio of gas pre-mixed combustion engines cannot be too large, resulting in reduced compression efficiency. Carry out the engine knock test, study its in-cylinder pressure, vibration and other signals under various operating conditions, determine the time and intensity of knock occurrence, and the knock safety margin of the special or non-knock condition, so as to Ensure the safe operation of the engine. After retrieval, the patent document with the authorized announcement number CN101855440B discloses a knock detection scheme for detecting knock events in internal combustion engines, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L23/22F02D35/02
CPCF02D35/027G01L23/221
Inventor 刘林李金龙袁新
Owner 河南美力达汽车有限公司