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Engine performance benchmarking test system for automatic transmission vehicle and use method

A test system and engine technology, applied in the direction of engine testing, machine/structural component testing, measuring devices, etc.

Active Publication Date: 2020-05-19
CHINA FIRST AUTOMOBILE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the prior art, it is impossible to effectively realize the synchronous operation of the gearbox and the engine

Method used

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  • Engine performance benchmarking test system for automatic transmission vehicle and use method
  • Engine performance benchmarking test system for automatic transmission vehicle and use method

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Embodiment Construction

[0040] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0041] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordin...

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Abstract

The invention relates to the technical field of automobile testing, in particular to an engine performance benchmarking test system for an automatic transmission vehicle and a using method, the test system comprises a vehicle controller used for being electrically connected with an engine and a gearbox; the engine test bench device can be in transmission connection with an engine so as to test therotating speed and torque of the engine and the combustion and emission of fuel; the gearbox driving device comprises a driving execution device and a driving control device, the driving control device is electrically connected with the driving execution device, the driving execution device is used for being in transmission connection with the gearbox, and the driving control device is configuredto control the gearbox and the engine to rotate synchronously; the wheel rotating speed signal processing device is electrically connected with the vehicle controller and used for collecting the rotating speed of front wheels connected with a gearbox and transmitting the rotating speed to the vehicle controller. According to the invention, synchronous operation of the gearbox and the engine can be realized, so that the engine benchmarking test of the automatic transmission vehicle can be carried out smoothly.

Description

technical field [0001] The invention relates to the technical field of automobile testing, in particular to an engine performance benchmarking test system for automatic vehicles and a method for using it. Background technique [0002] During the performance benchmarking test of the engine bench, the engine needs to be removed from the vehicle and installed on the bench for testing. In order for the engine to run normally, it is necessary to ensure that the vehicle controller can obtain the speed signal normally, and ensure that the running state of the engine on the bench is consistent with that on the vehicle. [0003] The existing engine bench benchmarking test system can generate a simulated wheel speed signal corresponding to the engine speed and gear position to feed back to the vehicle controller of the vehicle during the test, so as to ensure that the vehicle does not malfunction and the engine operates normally. Can only be used for engine performance benchmarking t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M15/00
CPCG01M15/00
Inventor 刘道远王鹏安曲函师崔石柱张杰马怀阳孙博文万济录
Owner CHINA FIRST AUTOMOBILE
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