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Cooling protection system of octane determining machine

A technology of cooling protection and octane number, which is applied in the direction of control/regulation system, non-electric variable control, instruments, etc., can solve the problems of engine component damage, inaccurate octane number, shortened service life, etc., to improve accuracy and control The effect of high temperature accuracy and improved effectiveness

Inactive Publication Date: 2012-08-15
SHANGHAI FUYCH PETROCHEM TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a cooling protection system for an octane number measuring machine to solve the problem that the octane number measured by the existing octane number measuring machine is inaccurate and unreliable, and when the working temperature is too high, it is easy to make engine components damage, shortened service life

Method used

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  • Cooling protection system of octane determining machine
  • Cooling protection system of octane determining machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: The cooling protection system includes a protection device and a protection method, and the protection device includes: an octane number measuring machine 1, an expansion buffer 2, a first sensor 3, a controller 4, a cooler 5, a second sensor 6 and a pump 7; the octane measuring machine 1 is connected with the cooler 5 through a pipeline, and the expansion buffer 2 and the first sensor 3 and the second sensor 6 are connected on the pipeline, and the first sensor 3 and the second sensor 6 are connected with the controller 4 The input terminal is connected, and the output terminal of the controller is connected with the actuator.

[0015] Described controller 4 is single-chip microcomputer controller.

[0016] The actuators are pumps, fans, igniters and alarms.

[0017] The cooler includes a cooling radiator and a fan, the cooling radiator is connected to the octane measuring machine 1 through a pipeline, and the fan is an actuator connected to the controll...

Embodiment 2

[0019] Embodiment 2: the controller 4 is a PLC controller.

[0020] The cooler includes a cooling coil and a cooling liquid tank, the cooling coil is connected to the octane measuring machine 1 through a pipeline, and the cooling coil is located in the cooling liquid tank. Others are the same as in Example 1.

Embodiment 3

[0021] Embodiment 3: The controller 4 is a PID controller.

[0022] The cooler includes a cooling coil and a cooling liquid tank, the cooling coil is connected to the octane measuring machine 1 through a pipeline, and the cooling coil is located in the cooling liquid tank. Others are the same as in Example 1.

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PUM

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Abstract

The invention relates to a cooling protection system of an octane determining machine and a protection method thereof, belonging to a cooling protection system. The octane determining machine of the system is connected with a cooler through a pipe; an expansion buffer, a first sensor and a second sensor are connected with the pipe; the first sensor and the second sensor are connected with an input end of a controller, and an output end of the controller is connected with an actuator. The cooling protection method comprises the following steps that: the controller receives signals of the first sensor and the second sensor, compares the signals with a preset value inside the controller to output a control signal from the output end, and carries out linkage control on a fan and a pump to form closed-loop control. The cooling protection system disclosed by the invention is an independent unit and has the advantages of being simple in structure, low in cost, convenient for mounting and high in precision of control temperature; and the cooling protection system has the advantages of intelligently judging a work state of the pump, improving the precision, the reliability and the stability of measurement on an octane value, and prolongs the service life of the octane determining machine. If an overheat fault occurs, the octane determining machine can intelligently stop, thereby avoiding lethal damage to the octane determining machine; and a large amount of water resources can be saved.

Description

technical field [0001] The invention relates to a cooling protection system, in particular to a cooling protection system for an octane measuring machine. Background technique [0002] At present, an octane measuring machine is used to determine the octane number of gasoline, which includes a single-speed single-cylinder engine with a continuously variable compression ratio, with corresponding load equipment, auxiliary equipment and instruments, which All mounted on a fixed base. The octane number measuring machine has very strict requirements on the temperature of the cooling system of the equipment. It is required to ensure that the temperature is 100°C±1.5°C, and it must be kept within the range of ±0.5°C in one test. However, the existing cooling system uses Tap water condensation method is difficult to ensure that the temperature is stable within the required range, and wastes water resources. When the temperature is lower or higher than the required temperature, the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20G05B19/04
Inventor 顾颖张奉武高善宏李令彬李宗逊
Owner SHANGHAI FUYCH PETROCHEM TECH
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