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High pressure oil output device and control method thereof

A technology of output device and high-pressure oil, which is applied in the direction of pump control, engine parameters, pump parameters, etc., can solve the problems of intermittent high-pressure oil, the height can only be around 1Mpa-2Mpa, and poor continuity, so as to achieve enhanced accuracy Effect

Active Publication Date: 2019-06-07
SAIC MOTOR
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Problems solved by technology

[0003] At present, one of the solutions to realize high-pressure oil is to use high-pressure compressed air to compress the hydraulic oil to make the pressure of the hydraulic oil reach a high pressure. However, the way of providing high-pressure oil in this solution is intermittent and the continuity is not good.
The second solution to achieve high-pressure oil is to use a mechanical pump to compress the hydraulic oil. This method can provide continuous high-pressure oil through the continuous operation of the mechanical pump. However, traditional electromagnetic pumps, gear pumps, vane pumps, etc. Due to structural limitations, the pressure of the high-pressure oil provided can only be around 1Mpa-2Mpa, which cannot meet the growing demand

Method used

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  • High pressure oil output device and control method thereof
  • High pressure oil output device and control method thereof
  • High pressure oil output device and control method thereof

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Embodiment Construction

[0041] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0042] An embodiment of the present invention provides a high-pressure oil output device, referring to figure 1 , figure 2 As shown, the high-pressure oil output device includes:

[0043] Motor 1, as a power source;

[0044] The camshaft 8 is connected to the output end of the motor 1 and driven by the motor 1 to rotate;

[0045] The plunger pump 2 is driven by the camshaft 8 to reciprocate, so as to compress the low-pressure oil entering the plunger pump 2 into high-pressure oil;

[0046] The high-pressure oil chamber 5 is connected with the oil outlet 4 of the plunger pump 2 for containing high-pressure oil, and the oil outlet communicates with the high-pressure oil chamber 5 through the oil pipe 42;

[0047]The control module (not ...

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Abstract

The invention provides a high-pressure oil output device and a control method thereof. The high-pressure oil output device comprises a motor, a cam shaft, a plunger pump, a high-pressure oil cavity and a control module; and the cam shaft is connected to the output end of the motor; the plunger pump is driven by the cam shaft to perform reciprocating movement so that low-pressure oil entering the plunger pump can be compressed into high-pressure oil; the high-pressure oil cavity is connected with an oil outlet of the plunger pump for storing the high-pressure oil; and the control module is used for controlling the rotation speed of the motor so as to adjust the oil in the high-pressure oil cavity to be at the targeted pressure value. By means of the high-pressure oil output device and the control method thereof, the oil pressure in the high-pressure oil cavity can be adjusted by adjusting the rotation speed of the motor and the switching-off moment of a plunger pump electromagnetic valve, and the oil pressure is made to maintain within the targeted pressure value.

Description

technical field [0001] The invention relates to a high-pressure oil output device and a control method thereof. Background technique [0002] The pressure of the low-pressure oil is increased by a pressurizing device to obtain high-pressure oil. The application fields of the high-pressure oil are very wide, for example, it can be used in engines, mechanical engineering equipment, electromechanical equipment, etc. [0003] At present, one of the solutions for realizing high-pressure oil is to use high-pressure compressed air to compress the hydraulic oil so that the pressure of the hydraulic oil reaches a high pressure. However, the way of providing high-pressure oil in this solution is intermittent and the continuity is not good. The second solution to achieve high-pressure oil is to use a mechanical pump to compress the hydraulic oil. This method can provide continuous high-pressure oil through the continuous operation of the mechanical pump. However, traditional electromag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B17/03F04B49/06F04B49/22
CPCF04B17/03F04B49/06F04B49/20F04B49/225F04B2201/06F04B2203/0209F04B2205/03F05B2260/506
Inventor 白小劲李相超张弘张卓群徐寅
Owner SAIC MOTOR
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