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Roots atmosphere direct-exhausting smart machine unit

An intelligent unit, straight row technology, applied in mechanical equipment, machines/engines, liquid variable capacity machinery, etc., can solve the problems of large unit energy consumption and Roots pump damage caused by power grid impact, so as to reduce the impact of power grid, The effect of improving service life and improving work efficiency

Active Publication Date: 2014-09-17
项敏 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The Roots vacuum pump starts and stops repeatedly, and there are problems such as large damage to the Roots pump, large impact on the power grid, and high unit energy consumption.

Method used

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  • Roots atmosphere direct-exhausting smart machine unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] This Roots atmospheric direct exhaust intelligent unit includes Roots vacuum pump, backing pump, negative pressure sensor and control system.

[0030] The Roots vacuum pump consists of a pump body and a Roots motor. The pump body has an intake pipe, a pump chamber and an exhaust pipe.

[0031] The backing pump is a slide valve vacuum pump or a rotary vane vacuum pump, a liquid ring vacuum pump or a dry vacuum pump. The backing pump includes the backing motor.

[0032] The negative pressure sensor is used to monitor the air pressure in the pump body of the Roots vacuum pump; the negative pressure sensor is arranged in the pump body of the Roots vacuum pump. Specifically, the negative pressure sensor is arranged in the intake pipe of the Roots vacuum pump. According to actual conditions, the negative pressure sensor can also be arranged in the exhaust connection pipe or in the pump cavity of the Roots vacuum pump.

[0033] The negative pressure sensor is preferably a h...

Embodiment 2

[0060] The structure and principle of this embodiment are basically the same as that of Embodiment 1, the difference is that: figure 2 As shown, the Roots motor has a motor shaft, and the monitoring unit includes a speed sensor arranged on the Roots motor for detecting the speed of the motor shaft, and the speed sensor is electrically connected to the logic operation unit.

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Abstract

The invention provides a Roots atmosphere direct-exhausting smart machine unit, belongs to the technical field of vacuum devices and solves the problem that an existing Roots vacuum machine unit is long in vacuumizing and large in electric power consumption. The smart machine unit comprises a Roots vacuum pump, a backing pump, a negative pressure sensor and a control system, wherein the control system is provided with a monitoring unit for monitoring the running speed of a Roots motor; the Roots vacuum pump comprises a pump body and the Roots motor; the backing pump comprises a backing motor; the negative pressure sensor is arranged in a pump body of the Roots vacuum pump and is electrically connected with the control system; the Roots motor is electrically connected with the control system through a self-adaptive frequency transformer; the backing motor is electrically connected with the control system. The Roots vacuum pump of the smart machine unit is started in advance, the pumping speed of the machine unit is increased; the air pumping time is extremely shortened and the work efficiency of the overall machine is improved; the smart machine unit also has the advantage of being capable of prolonging the service life of the Roots vacuum pump and reducing the impact to a power grid.

Description

technical field [0001] The invention relates to the technical field of vacuum equipment, in particular to a Roots atmospheric direct discharge intelligent unit. Background technique [0002] The vacuum unit is a unit combined according to the process requirements of different industries; the vacuum unit has the advantages of remarkable energy saving effect, significantly improved vacuum degree, widened pumping speed area, and small footprint. The Roots Atmospheric Direct Exhaust Intelligent Unit is a vacuum unit whose main pump is a Roots vacuum pump. [0003] The pump of the Roots vacuum pump is equipped with two leaf-shaped rotors that rotate synchronously in opposite directions. There is a small gap between the rotors, and between the rotor and the inner wall of the pump casing and is a variable-capacity vacuum pump that does not touch each other. Roots vacuum pumps can be divided into low-vacuum Roots pumps, medium-vacuum Roots pumps and high-vacuum multi-stage Roots pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C23/00F04C28/02F04C28/08F04C28/06F04B41/06F04B49/06
Inventor 项敏王德顺
Owner 项敏
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