一种悬臂复合结构永磁型电气转换模块

Abstract

本实用新型公开了工业流量控制领域的一种悬臂复合结构永磁型电气转换模块，包括壳体、电磁线圈、喷嘴、阀杆、挡板和磁石；阀杆固定在电磁线圈的中心，喷嘴固定在阀杆上，气体可流入阀杆并从喷嘴流出；挡板固定在壳体上，形成一个悬臂梁结构，并在电磁线圈的电磁力作用下发生弯曲，从而遮挡喷嘴出口处的气体，达到调节气体压强和流量的目的；磁石固定在挡板上，用于增强挡板与电磁线圈之间的作用力。本实用新型将挡板设计成悬臂梁结构，并将阀杆与电磁线圈的磁芯设计成一个零件，从而简化了挡板的制造工艺、减少了零件数量、降低了电气转换模块的制造成本。

Claims

1. A cantilever composite structure permanent magnet type electrical conversion module, characterized in that: It includes a housing (1), an electromagnetic coil (2), a nozzle (3), a valve stem (4), a baffle (5), a pressing plate (6), a magnet (7), a baffle fixing screw (8) and a limit screw (9); The housing (1) is composed of a bottom plate (10), a baffle mounting column (11) and a limit column (12), with a "U" - shaped cross - section. The bottom is the bottom plate (10), and the two sides are the baffle mounting column (11) and the limit column (12) respectively; The shape of the bottom plate (10) is a rectangular thin plate, and the shapes of the baffle mounting column (11) and the limit column (12) are cuboids; The baffle mounting column (11) and the limit column (12) are parallel to each other and perpendicular to the bottom plate (10); The electromagnetic coil (2) is fixed on the bottom plate (10) and is located between the baffle mounting column (11) and the limit column (12); The central axis of the electromagnetic coil (2) is perpendicular to the top surface of the bottom plate (10); The valve stem (4) is of a hollow cylindrical structure, and the inside of the valve stem is used for gas flow; The valve stem (4) is fixed at the center of the electromagnetic coil (2), and when the electromagnetic coil (2) is powered on, the valve stem (4) is magnetized; The nozzle (3) is fixed on the top of the valve stem (4), and when gas flows into the valve stem (4) from below the bottom plate (10), it can flow out from the nozzle (3); A baffle fixing hole (13) is opened at the top of the baffle mounting column (11); A limit hole (14) is opened at the top of the limit column (12); A limit screw (9) is thread - connected to the top of the limit hole (14); The baffle (5) is of a thin plate structure, and a through - hole is penetrated through the top of the baffle (5); The pressing plate (6) is of a rectangular thin plate structure, and a through - hole is opened at the top of the pressing plate (6); The baffle fixing screw (8) sequentially passes through the through - holes of the pressing plate (6) and the baffle (5) and is connected to the baffle fixing hole (13); The baffle (5) is a cantilever beam structure, one end of the baffle (5) is fixed and the other end can move up and down, and the movement range is limited between the upper end surface of the limit column (12) and the head of the limit screw (9); The magnet (7) is fixed on the baffle (5), and is exactly above the valve stem (4); When the electromagnetic coil (2) is powered on, the unfixed end of the baffle (5) bends downward under the combined action of its own elastic force and the suction force of the electromagnetic coil (2), reducing the distance from the nozzle (3), so that the pressure of the gas flowing out of the nozzle (3) increases and the flow rate decreases; When the current of the electromagnetic coil (2) reaches the maximum value, the baffle (5) completely blocks the nozzle (3), so that the pressure of the gas flowing out of the nozzle (3) reaches the maximum value and the flow rate reaches the minimum value; When the electromagnetic coil (2) is not powered on, the unfixed end of the baffle (5) moves upward under the action of its own elastic force, so that the pressure of the gas flowing out of the nozzle (3) reaches the minimum value and the flow rate reaches the maximum value.

2. A cantilevered composite structure permanent magnet type electrical conversion module according to claim 1, characterized in that, The materials of the housing (1), the baffle (5), the pressing plate (6) and the valve stem (4) are all soft magnetic materials.

3. The cantilever composite structure permanent magnet type electrical conversion module according to claim 1, characterized in that: The cross-section of the baffle (5) is T-shaped and is made by cutting a thin plate using CNC technology; the horizontal stroke of the T is used to fix the baffle (5) and is called the installation section; the vertical stroke of the T is used for deformation under stress and is called the cantilever section.

4. The cantilever composite structure permanent magnet type electrical conversion module according to claim 3, characterized in that: The number of baffle fixing holes (13) is 2, which are set on the mounting section of the baffle (5); the magnet (7) is fixed on the cantilever section of the baffle (5).

5. The cantilever composite structure permanent magnet type electrical conversion module according to claim 1, characterized in that: Includes a circuit board (15); the circuit board (15) is used to regulate the current of the electromagnetic coil (2).

6. A cantilevered composite structure permanent magnet electric conversion module according to claim 5, characterized by The circuit board (15) is fixed on the limiting post (12).

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