Cooling water high-temperature protection system of gasoline engine and control method thereof

A technology of high temperature protection and control method, applied in the control of coolant flow, engine control, engine cooling, etc., can solve the problems of insufficient cooling water cooling, hidden dangers, etc., to avoid oil deterioration and knocking, and reduce hidden dangers , the effect of reducing heat

Active Publication Date: 2018-02-02
DONGFENG MOTOR CORP HUBEI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, this method often leads to insufficient cooli

Method used

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  • Cooling water high-temperature protection system of gasoline engine and control method thereof
  • Cooling water high-temperature protection system of gasoline engine and control method thereof
  • Cooling water high-temperature protection system of gasoline engine and control method thereof

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Embodiment Construction

[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings to facilitate a clearer understanding of the present invention, but they do not limit the present invention.

[0045] Such as figure 1The gasoline engine cooling water high temperature protection system shown includes an engine management system 1 (EMS), a cooling water temperature sensor 2, a vehicle speed sensor 5, an air intake air temperature sensor 4 and an atmospheric pressure sensor 3, the cooling water temperature sensor 2, the The signal output terminals of the vehicle speed sensor 5, the atmospheric air intake temperature sensor 4 and the atmospheric pressure sensor 3 are respectively connected to the engine management system 1, and the signal output terminals of the engine management system 1 are respectively connected to the air conditioner through the control unit. The control system 6, the thermostat 7, the cooling fan 8, other heat dissipation dev...

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Abstract

The invention discloses a cooling water high-temperature protection system of a gasoline engine and a control method thereof. The cooling water high-temperature protection system comprises an engine management system, a cooling water temperature sensor, a vehicle speed sensor, an air inlet temperature sensor and an air pressure sensor, wherein the signal output ends of the cooling water temperature sensor, the vehicle speed sensor, the air inlet temperature sensor and the air pressure sensor are respectively connected with the engine management system, and the signal output end of the engine management system is respectively connected with the execution ends of an air conditioner control system, a thermostat, a cooling fan, a radiator and an electric control injection and ignition system through control units. According to the cooling water high-temperature protection system, when the temperature of cooling water is high, heat can be dissipated to the maximum, and the heat of an engineis reduced, so that the cooling water is quickly cooled, the engine system can be protected in time before an alarm is given, hidden danger of an oil supply system and an ignition system is reduced,and metamorphic engine oil and detonation are avoided.

Description

technical field [0001] The invention relates to auto parts, in particular to a gasoline engine cooling water high temperature protection system and a control method thereof. Background technique [0002] Excessive engine cooling water temperature will cause the oil supply system and ignition system not to work normally, causing oil deterioration and knocking, etc., which will bring great harm to the engine. When the traditional engine coolant temperature is too high, the purpose of warning the driver is achieved by displaying or warning the engine temperature on the instrument is too high. However, this method often leads to insufficient cooling of the cooling water, and there are hidden dangers. In order to reduce the engine cooling water temperature as quickly as possible, how to protect the cooling water high temperature before the high temperature alarm of the cooling water temperature has become a technical problem to be solved urgently. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): F01P7/16F01P7/08F02D41/30F02P5/15B60H1/00
Inventor 秦龙张春娇黄永逸
Owner DONGFENG MOTOR CORP HUBEI
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