Compressor Speed and Pressure Control via Electronic Valve Adjustment
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Solution Overview
Problem
Existing compression apparatuses require time-consuming component replacements to adjust revolution speed and service conditions, making it impractical to frequently change specifications of the object receiving compressed air.
Innovation Solution
A compression apparatus with a controller that adjusts the revolution speed and discharge pressure of screw rotors using a suction adjusting valve and discharge pressure sensor, allowing for flexible response to service conditions without component replacement, by setting and maintaining specific revolution speeds and pressures based on selected conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If component replacement (pulley, belt, or gear) is performed to adjust revolution speed, then the compressor can operate at different speeds, but the adjustment process requires significant time and is impractical for frequent changes
Solution Approach 1:
The patent replaces static mechanical components (fixed pulleys, belts, gears) with a dynamic control system that can continuously adjust revolution speed and discharge pressure through electronic control. The controller dynamically modifies operational parameters based on selected service conditions, eliminating the need for physical component changes and enabling rapid adaptation.
Solution Approach 2:
The invention changes physical parameters (revolution speed and discharge pressure) through electronic control rather than mechanical replacement. By storing multiple service conditions with corresponding parameter sets in the controller and adjusting these parameters electronically, the system achieves versatile adaptation without time-consuming component replacement.
2Adaptability or versatility
If the compressor uses fixed mechanical components for speed control, then the structure is simple, but it cannot respond flexibly to changing service conditions
Solution Approach 1:
The patent substitutes the mechanical speed control system (pulley, belt, gear combinations) with an electronic control system. The controller, revolution speed setting unit, and valve controlling unit work together to electronically adjust operational parameters, replacing complex mechanical assemblies with simpler electronic components that provide greater flexibility.
Solution Approach 2:
The controller serves multiple functions: it stores various service conditions, determines appropriate revolution speeds and discharge pressures, controls the revolution speed setting unit, and coordinates with the valve controlling unit. This multi-functional electronic control unit replaces multiple dedicated mechanical components, achieving versatility without proportional increases in overall system complexity.
Data Source
AI summary
This invention provides a compression apparatus capable of flexibly responding to a change in service condition. The compression apparatus comprises a compressor main body for housing rotatively driven rotors, an intake channel connected to an intake port of the compressor main body and equipped with a suction adjusting valve, a discharge channel connected to a discharge port of the compressor main body and equipped with a discharge pressure sensor, a revolution speed setting unit for causing a rotor to have a revolution speed that matches a set number of revolutions, a valve controlling unit for controlling the suction adjusting valve based on a discharge pressure detected by the discharge pressure sensor in such a manner that a pressure of the discharge channel is maintained at a set pressure, and a controller for defining the set number of revolutions and the set pressure based on a condition selected by a user.