Wireless measuring device for internal combustion engine piston temperature

A technology for piston temperature and wireless measurement, which is used in measurement devices, internal combustion engine testing, thermometers, etc., can solve problems such as increasing measurement reliability, reducing measurement difficulty, and easy breakage of wires, achieving strong real-time performance, high accuracy, and the number of measurement points. many effects

Inactive Publication Date: 2017-06-30
SHANGHAI JIAO TONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention aims at the shortcomings of the above-mentioned devices, and provides a wireless measuring device for internal combustion engine piston temperature, which solves the problem that in the process of using wired measurement, the piston is always in high-speed motion under the working state of the internal combustion engine, and a special lead device must be designed to lead out the signal line. It is easy to break, which makes the measurement invalid, which increases the reliability of the measurement and reduces the difficulty of measurement

Method used

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  • Wireless measuring device for internal combustion engine piston temperature
  • Wireless measuring device for internal combustion engine piston temperature

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Embodiment

[0018] Embodiments of the present invention are shown in the figure, and the present invention includes a cylinder head 1, a cylinder body 2, an oil pan 3, a piston 4, a resistance temperature detector 5, a Teflon wire 6, a wireless transmission module 7, a switch 8, and a receiving antenna 9. Data receiving module 10, computer 11, signal conduit 12, wiring harness 13, cylinder head 1, cylinder body 2, and oil pan 3 together form the engine body, piston 4 is arranged in cylinder body 2, and multiple resistance temperature detectors 5 They are respectively arranged on the inner cavity of the piston 4, the wireless transmission module 7 and the battery are fixed on the middle part of the connecting rod by high temperature epoxy resin glue, the switch 8 is fixed on the big head of the connecting rod by high temperature epoxy resin glue, and the wireless transmission module 7 is fixed by special The Teflon wire 6 is connected with the resistance temperature detector 5 and the switc...

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PUM

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Abstract

The invention provides a wireless measuring device for internal combustion engine piston temperature, which comprises a resistor temperature detector, a Teflon wire, a wireless transmission module, a receiving antenna, a data receiving module, and a computer. The wireless transmission module adopts high temperature epoxy resin that is adhered to the connection rod body and the switch is connected with the wireless transmission module. The receiving antenna penetrates into the engine cylinder through the signal hole processed at the engine oil bottom housing. The receiving antenna is connected with the data receiving module. The data receiving module is connected with the computer. The wireless measuring method and the device for internal combustion engine piston temperature proposed by the invention are based on Bluetooth transmission, which increases the measuring reliability and reduces the measuring difficulty. Properly designed, the device is practical in use and of great application value. Suitable for the real-time measurement of the temperature on the surface of the piston, the device can be applied conveniently to the performance estimation and optimization under the different working conditions of the piston.

Description

technical field [0001] The invention relates to the technical field of engine testing, in particular to an internal combustion engine piston temperature measuring device based on Bluetooth wireless transmission. Background technique [0002] With the enhancement of people's environmental awareness and the implementation of stricter emission regulations, engine manufacturers have higher and higher requirements for engine thermal efficiency. Although engineers reduce the piston mass and friction by reducing the thickness of the piston, this puts forward higher requirements for the strength and durability of the piston. At the same time, the current direct injection method needs to be configured with the compression ratio to meet the fuel economy and low emission of the engine to the greatest extent. As an important factor in the working of the piston, the temperature can directly show the performance of the piston under different working conditions. By determining the temper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/16G01M15/04
CPCG01K7/16G01K2219/00G01M15/048
Inventor 孟祥慧方聪聪孔晓丽李鹏
Owner SHANGHAI JIAO TONG UNIV
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