Electropneumatic valve execution control locating structure
A valve execution and positioning structure technology, applied in the direction of valve details, valve devices, valve operation/release devices, etc., can solve the problems of high cost, inability to meet the requirements of electric valve positioners, complex internal circuits, etc., and achieve low price High-quality requirements, simple structure, and low-cost effects
Inactive Publication Date: 2018-06-29
李芳
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Problems solved by technology
[0002] At present, the electric valve positioner is generally imported, and this kind of imported electric valve positioner generally has the problem of high cost due to the complexity of the internal circuit, so it cannot meet the domestic market's demand for low-cost and high-quality electric valve positioners
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[0009] like figure 1 As shown, the technical solution of the present invention is: an electric valve execution control positioning structure, which is characterized in that it includes a microprocessor, a main board control circuit, an air control valve group, a feedback unit and an alarm unit, and the air control valve group A diaphragm is arranged between the upper casing and the middle casing, and the feedback unit is connected to the integrated circuit through a resistor through the connector; the inherited integrated circuit is connected to the alarm unit.
[0010] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that Modifications or equivalent replacements are made to t...
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The invention discloses an electropneumatic valve execution control locating structure which is characterized in that the electropneumatic valve execution control locating structure comprises a microprocessor, a mainboard control circuit, a pneumatic control valve bank, a feedback unit and an alarm unit; a diaphragm is arranged between an upper housing and a middle housing of the pneumatic controlvalve bank; the feedback unit is connected with an integrated circuit by a connector via a resistor; and the integrated circuit is connected with the alarm unit. The electropneumatic valve executioncontrol locating structure is simple in structure, convenient to maintain and low in cost, localization of electropneumatic valve positioners is realized, and the durability is high, so that the requirements of the domestic market on the electropneumatic valve positioners for low cost and high quality are met.
Description
technical field [0001] The invention relates to the technical field of electric valves, in particular to an electric valve execution control positioning structure. Background technique [0002] At present, electric valve positioners are generally imported. Such imported electric valve positioners generally have the problem of high cost due to complex internal circuits, so they cannot meet the domestic market's demand for low-cost and high-quality electric valve positioners. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the object of the present invention is to provide an electrical valve execution control positioning structure with simple structure, low cost and convenient installation. [0004] The technical solution of the present invention is: an electric valve execution control positioning structure, which is characterized in that it includes a microprocessor, a main board control circuit, an air control valve group, a feedback unit an...
Claims
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IPC IPC(8): F16K31/02F16K37/00
CPCF16K31/02F16K37/00
Inventor 李芳
Owner 李芳