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Method and device for matching an engine and hydraulic torque converter

A technology for torque converters and engines, which is used in power units, transmissions, fluid transmissions, etc., can solve the problems of difficulty in ensuring data and graphics accuracy, large workload, and long consumption cycles, and achieves automatic matching process. Streamlined, reduced workload and time, and improved accuracy

Active Publication Date: 2010-10-27
CHERY AUTOMOBILE CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] At present, when matching the engine and the hydraulic torque converter, manual calculation and drawing are mostly used. This method has a huge workload, a long cycle, time-consuming and labor-intensive, and is random, so it is difficult to guarantee the data and graphics. the accuracy of

Method used

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  • Method and device for matching an engine and hydraulic torque converter

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Embodiment 1

[0028] see figure 1 , an embodiment of the present invention provides a method for matching an engine with a torque converter, the method comprising:

[0029] 101: Obtain the external characteristic data of the engine and the dimensionless characteristic data of the hydraulic torque converter.

[0030] 102: Draw the engine external characteristic curve according to the external characteristic data of the engine, and draw the dimensionless characteristic curve of the hydraulic torque converter according to the dimensionless characteristic data of the hydraulic torque converter.

[0031] 103: Obtain the common working point of the engine and the torque converter according to the external characteristic curve of the engine and the dimensionless characteristic curve of the torque converter.

[0032] 104: Draw the output characteristic curve of the torque converter according to the common working point of the engine and the torque converter.

[0033] 105: According to the common ...

Embodiment 2

[0046] see figure 2 , an embodiment of the present invention provides a method for matching an engine with a torque converter, including:

[0047] 201: Obtain the external characteristic test data of the engine and the dimensionless characteristic test data of the hydraulic torque converter from the original parameter database.

[0048] Specifically, the test data of the external characteristics of the engine and the dimensionless characteristic test data of the torque converter can be obtained through the bench tests of the engine and the torque converter, and the parameters in the test data of the external characteristics of the engine can be transformed into The corresponding vector forms are stored in the original parameter database, and the dimensionless characteristic test data of the hydraulic torque converter are converted into corresponding vector forms and stored in the original parameter database. Among them, the external characteristic test data of the engine inc...

Embodiment 3

[0074] An embodiment of the present invention provides a device for matching an engine with a hydraulic torque converter, see Figure 7 , the device consists of:

[0075] The data acquisition module 301 is used to acquire the external characteristic data of the engine and the dimensionless characteristic data of the hydraulic torque converter;

[0076] The first curve drawing module 302 is used to draw the engine external characteristic curve according to the external characteristic data of the engine obtained by the data obtaining module 301, and draw the hydraulic torque converter according to the dimensionless characteristic data of the hydraulic torque converter obtained by the data obtaining module 301. Dimensionless characteristic curve of torque converter;

[0077] The common working point acquisition module 303 is used to obtain the common working point of the engine and the torque converter according to the external characteristic curve of the engine drawn by the first...

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Abstract

The invention discloses a method and a device for matching an engine and a hydraulic torque converter, which belong to the technical field of automobile design. The method comprises the following steps: obtaining the external characteristic data of the engine and the dimensionless characteristic data of the hydraulic torque converter; according to the external characteristic data of the engine, drawing an external characteristic curve of the engine and drawing a dimensionless characteristic curve of the hydraulic torque converter according to the dimensionless characteristic data of the hydraulic torque converter; according to the external characteristic curve of the engine and the dimensionless characteristic curve of the hydraulic torque converter, obtaining a common working point of the engine and the hydraulic torque converter; according to the common working point of the engine and the hydraulic torque converter, drawing an output characteristic curve of the hydraulic torque converter; and according to the common working point of the engine and the hydraulic torque converter and the output characteristic curve of the hydraulic torque converter, and calculating to obtain the matching evaluation parameters of the engine and the hydraulic torque converter.

Description

technical field [0001] The invention relates to the technical field of automobile design, in particular to a method and a device for matching an engine and a hydraulic torque converter. Background technique [0002] With the development of the modern automobile industry and people's higher and higher requirements for automobiles, automatic transmissions have been used more and more in automobiles. Among them, the important component of the automatic transmission is the hydraulic torque converter, and the matching of the hydraulic torque converter and the engine determines the power performance and economic performance of the car to a large extent. Therefore, the matching of the engine and the torque converter has received extensive attention. [0003] At present, when matching the engine and the hydraulic torque converter, manual calculation and drawing are mostly used. This method has a huge workload, a long cycle, time-consuming and labor-intensive, and is random, so it i...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCF16H41/24B60K6/48Y02T10/6221B60W10/023Y02T10/62
Inventor 刘红领张德超李海艳孙国良
Owner CHERY AUTOMOBILE CO LTD
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