Electromagnetic water meter
A magnetoelectric and water meter technology, applied in the direction of volume/mass flow generated by mechanical effects, can solve the problems of high power consumption of the two coils, achieve strong mechanical vibration resistance, low power consumption, and avoid blockage
Active Publication Date: 2017-02-22
北京奥特美克科技股份有限公司
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Problems solved by technology
[0006] In view of this, the present invention provides a magnetoelectric water meter to solve the problem of large power consumption of the two coils when the magnetoelectric water meter counts in the prior art
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[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] In the prior art, due to the traditional mechanical water meter, during a series of movements of the turbine worm and the transmission mechanism, since the turbine worm must cooperate with the impeller, the turbine worm must be immersed in the fluid for a long time. When there is too much sediment or the sediment content is large, the sediment may be stuffed into the screw mechanism of the turbine worm, causing the screw mechanism to be stuck and unable ...
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The invention provides an electromagnetic water meter which comprises an impeller, a first magnetic resistance element, a second magnetic resistance element, a coil, a first circuit and a controller unit, wherein a magnet is arranged on the impeller; the magnet is driven to rotate when the impeller rotates; the coil, the first magnetic resistance element and the second magnetic resistance element are arranged outside the impeller; the magnetic induction line of the magnet is cut by the coil, and is converted into a first electric pulse signal through the first circuit; the magnetic induction line of the magnet is cut through the first magnetic resistance element and the second magnetic resistance element to generate a first magnetic resistance electric signal and a second magnetic resistance electric signal, so that the flow of water can be confirmed by the controller according to the numbers of first electric pulse signals, the first magnetic resistance electric signal and the second magnetic resistance electric signal, and water amount acquisition can be achieved. By adopting the counting mode of the magnet, the coil and the two magnetic resistance elements, the electromagnetic water meter is relatively small in power consumption when being compared with a magnetic electric water meter with two coils in the prior art as the power consumption of the magnetic resistance elements is relatively small relative to that of the coil.
Description
technical field [0001] The invention relates to the technical field of water metering, in particular to a magnetoelectric water meter. Background technique [0002] A water meter is a device that measures the amount of water used. It is commonly used in tap water clients, and its value is used as the basis for calculating water charges. Water meters usually measure in cubic feet (ft 3 ) or cubic meters (m 3 ). [0003] The traditional water meter is a mechanical water meter, which generally consists of several parts such as an impeller, a worm gear transmission mechanism, a counter, and a display code disc. The impeller is located in the water flow. When the water flows in the pipe, the water flow hits the blades around the impeller wheel to generate torque, so that the impeller rotates under the push of the water flow. After the impeller rotates, the worm gear mechanism converts the vertical rotation of the impeller into horizontal rotation and transmits it to the tran...
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IPC IPC(8): G01F1/05
CPCG01F1/05Y02A20/00
Inventor 吴玉晓吴超李海增马云杰王书超寸周阳高霏李献
Owner 北京奥特美克科技股份有限公司