Electromagnetic flow measurement and control integrated device
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A flow measurement, electromagnetic technology, applied in the product field, can solve the problems of ineffective anti-theft, complicated installation, large volume, etc., and achieve the effect of improving magnetic field distribution, improving measurement accuracy, and high measurement accuracy
Active Publication Date: 2012-12-26
HANGZHOU ENGRID TECH
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[0008]1 Regardless of the independent method or the discrete method, the volume is large and the cost is high;
[0009]2 independent method, need to install two parts, complex installation and not effective anti-theft
Method used
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[0032] see figure 1 , is a cross-sectional view of an embodiment of the flow measurement and control integrated device of the present invention. The water inlet pipe 1a, the water outlet pipe 1c, the valve body 1b, and the valve body cover 1d constitute the housing part of the device, wherein the water inlet pipe 1a, the water outlet pipe 1c and the valve body 1b are integral parts, which are manufactured by injection molding of plastic materials, and There is a stainless steel lining 1e at the position of the valve body 1b, and the valve body cover 1d is made of plastic material. The water inlet pipe 1a and the water outlet pipe 1c are circular pipes, which contain standard threads for connecting external pipes, so as to be connected with external pipes. The water inlet pipe 1a and the water outlet pipe 1c adopt a symmetrical design, and the direction of water inlet and water outlet can be selected arbitrarily for installation. There is a cylindrical cavity inside the valv...
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Abstract
The invention discloses an electromagnetic flow measurement and control integrated device, which comprises a valve body, a valve core and a valve rod, wherein the valve body comprises a water inlet pipe, a valve cavity body, a water outlet pipe, a valve cavity cover and a coil, wherein the valve cavity body is arranged between the water inlet pipe and the water outlet pipe, a valve cavity with a top opening is formed by the valve cavity body and the valve cavity cover, and the valve core is arranged in the valve cavity; the valve core is provided with a through hole connected with the water inlet pipe and the water outlet pipe, the valve core comprises a second magnetic core, a first electrode, a second electrode and a lead; the second magnetic core is arranged above the through hole of the valve core, the first electrode and the second electrode are symmetrically arranged on the inner walls at both sides of the through hole, the lead is reverse fork shaped, both ends of a fork head of the lead are respectively connected with the first electrode and the second electrode, and the fork rod of the lead stretches out from the valve rod; the valve rod stretches out from the valve cavity with the top opening formed by the valve cavity body and the valve cavity cover, and the valve rod is connected with the valve cavity cover through a sealing ring. According to the invention, a flow sensor and a control valve are integrated, and the electromagnetic flow measurement and control integrated device has the characteristics of simple and compact structure, small volume, low cost, convenience for installation, and the like.
Description
technical field [0001] The electromagnetic flow measurement and control integrated device of the present invention relates to the field of electromagnetic flowmeters and control valves, in particular to the fields of heat metering, water metering, sewage metering, heating energy saving, room temperature control and the like. The invention is applicable to flow measurement and control fields such as household heat meters, cold meters, water meters, sewage meters, etc., especially suitable for household balance meters, balance heat meters and other products, and its principle and structure are also applicable to other flow control devices. general field. Background technique [0002] Electromagnetic flowmeter is a flow measuring instrument based on Faraday's electromagnetic induction principle. Its basic principle is: when a fluid with a conductive medium passes through a magnetic field, the fluid cuts the lines of magnetic force and generates an induced potential in the ver...
Claims
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Application Information
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