Pilot Solenoid Valve Thin Profile Diaphragm Arrangement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional pilot type solenoid valves with horizontally arranged diaphragm valves face challenges in achieving a compact thickness of about 10 mm, making it difficult to form passages within the thin main body block and cover, which limits their installation in parallel configurations and increases pressure requirements.
Innovation Solution
A pilot type solenoid valve design featuring a pilot valve unit with a fixed and movable core, a rectangular parallelepiped passage block unit, and a flat cover with a recess forming a back chamber, allowing for a thin thickness of about 10 mm by creating a communication path between the back chamber and the pilot valve unit, enabling compact installation and reduced pressure operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the main body block and cover are designed to have a total thickness of about 10 mm, then the valve becomes compact and can be installed in parallel, but it becomes difficult to form passages within the thin structure
Solution Approach 1:
The valve body is divided into a block body and a separate cover portion. The cover portion is formed with a communication path that connects the back chamber to the pilot valve unit, allowing passage formation in a thin structure without compromising manufacturing feasibility.
Solution Approach 2:
The communication path is formed by utilizing the thickness direction of the thin cover portion. By creating the passage in the cover rather than the block body, the design achieves compact thickness while maintaining manufacturable passage dimensions.
2Ease of manufacture
If a horizontally arranged diaphragm valve is used, then the valve structure is conventional and easy to manufacture, but it requires a large installation space
Solution Approach 1:
The diaphragm valve is arranged vertically in the thickness direction rather than horizontally. This dimensional change reduces the installation space footprint while maintaining the conventional diaphragm valve structure and manufacturing simplicity.
3Quantity of substance
If the valve is designed with high pressure capability, then it can handle large flow, but it requires larger pressure pumps and increases power consumption
Solution Approach 1:
The pilot valve unit acts as an intermediary control mechanism. It uses a small control flow to regulate the main flow through the diaphragm valve, enabling high flow capacity operation at low pressure and reducing the power requirements of pressure pumps.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design allows for a compact pilot type solenoid valve that can handle high or large flow at low pressure, reducing the size of pressure pumps and overall power consumption.
Implementation Method 1
controlling a pressure in a back chamber of the diaphragm valve with the solenoid valve to open and close the diaphragm valve
Implementation Method 2
the diaphragm valve is arranged horizontally... the valve element will come into or out of contact with a valve seat
Implementation Method 3
pilot type solenoid valve including a pilot valve unit having a fixed core and a movable core
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A pilot type solenoid valve (1) includes a pilot valve unit (2) and a passage block unit (3). The passage block unit (3) has a rectangular parallelepiped shape including a pair of wide opposite surfaces (3a,3b), and four side surfaces surrounding the wide opposite surfaces (3a,3b). The four side surfaces include a first surface on which the pilot valve unit (2) is attached, and a second surface formed with at least either an input port (49) or an output port (50). A valve element (60) is a diaphragm valve and arranged in parallel to the pair of wide opposite surfaces (3a,3b). The passage block unit (3) includes a block body (40) forming a valve chamber (43) around a valve seat (55), and a flat cover (30). The flat cover (30) includes a recess (35) forming the back chamber of the diaphragm valve, and the flat cover (30) has a flat cover communication path (32) formed to provide communication between the recess (35) and a common path (14) of the pilot valve unit (2).