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Automatic constant-pressure control device for diesel pump

A constant pressure control, diesel engine technology, applied in pump control, engine control, machine/engine, etc., can solve the problems of normal water supply, inability to achieve constant pressure water supply, affecting the safety of pump operation, and achieve good constant pressure effect. Simple structure and convenient use

Inactive Publication Date: 2015-03-04
WATER RESOURCES RES INST OF SHANDONG PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the speed of the diesel engine pump will not change the speed due to pressure changes, so constant pressure water supply cannot be achieved.
When the pressure is too low, water cannot be supplied normally; when the pressure is too high, it will affect the operation safety of the pump

Method used

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  • Automatic constant-pressure control device for diesel pump
  • Automatic constant-pressure control device for diesel pump

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Embodiment Construction

[0011] The present invention will be specifically described below in conjunction with the accompanying drawings and embodiments.

[0012] figure 1 Shown is the structural representation of the present invention.

[0013] The present invention includes a remote pressure gauge 1 , a stepper motor drive controller 2 , a stepper motor 3 and a diesel engine pump 10 .

[0014] The remote pressure gauge 1 is set on the water supply pipeline.

[0015] The stepper motor 3 and the stepper motor drive controller 2 are manufactured as one body and arranged on the diesel engine pump 10 .

[0016] The stepper motor drive controller 2 establishes a data communication link with the remote pressure gauge 1 arranged on the pipeline through a signal line.

[0017] The stepper motor shaft 4 is provided with a gear 5 , which is matched with the gear 5 to be provided with a rack 6 , the rack 6 is arranged in the rack groove 7 , and the rack groove 7 is fixed on the diesel engine pump 10 .

[00...

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Abstract

The invention discloses an automatic constant-pressure control device for a diesel pump. The automatic constant-pressure control device comprises a remote pressure gauge, a stepping motor driving controller, a stepping motor and the diesel pump. The remote pressure gauge is arranged on a water supply pipeline; the stepping motor and the driving controller are arranged on the diesel pump; data communication is established between the stepping motor driving controller and the remote pressure gauge; a gear is arranged on a shaft of the stepping motor; a rack is arranged for being matched with the gear; an accelerator cable pressure column is arranged at one end of the rack; one end of an accelerator cable is fixed on the accelerator cable pressure column; the stepping motor drives the rack to move up and down by the gear and the rack drives the accelerator cable of the diesel pump to move up and down so as to control an accelerator of the diesel pump. The automatic constant-pressure control device realizes automatic constant-pressure water supply of the diesel pump, has the advantages of simple structure, convenience for use and good constant-pressure effect, can be widely applied to constant-pressure water supply in remote areas without power supply, is also used as standby water supply equipment and has a wide market prospect.

Description

technical field [0001] The invention relates to an automatic constant pressure control device for a diesel engine pump, which belongs to the technical field of water delivery equipment. Background technique [0002] At present, the constant pressure water supply of electromechanical equipment is realized by the motor frequency conversion technology. However, in some remote areas where there is no power supply, diesel engine pumps are often used to supply water to the water pipeline. Due to changes in the water consumption of water users, the pressure in the water pipeline changes accordingly. However, the speed of the diesel engine pump will not change the speed due to pressure changes, so constant pressure water supply cannot be achieved. When the pressure is too low, water cannot be supplied normally; when the pressure is too high, the operation safety of the pump will be affected. Contents of the invention [0003] The technical problem to be solved by the present inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/08F02D29/04
Inventor 李其光王昕王大勇朱昌举于志刚宋大维刘冠麟
Owner WATER RESOURCES RES INST OF SHANDONG PROVINCE
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