Water flow detection device

A water flow detection device and water flow technology are applied in the direction of volume/mass flow generated by detecting fluid flow dynamic effects, fluid heaters, and mechanical effects, which can solve different problems and achieve high sensitivity effects

Pending Publication Date: 2018-08-21
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the water flow required by the water heater to start the water heater during defrosting and ordinary hot water production is different, and the size of the water flow required for the action of the existing water flow switch is generally fixed, resulting in the existing water flow switch. Adapt to the different working modes of the hot water machine

Method used

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Embodiment Construction

[0020] The present invention is described below based on examples, but the present invention is not limited to these examples. Those of ordinary skill in the art will appreciate that the drawings provided herein are for illustration purposes and are not necessarily drawn to scale.

[0021] Unless the context clearly requires, throughout the specification and claims, "comprises", "comprises" and similar words should be interpreted in an inclusive sense rather than an exclusive or exhaustive meaning; that is, "including but not limited to" meaning.

[0022] In the description of the present invention, it should be understood that the terms "first", "second" and so on are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0023] The water flow detection device provided by the present invention is used to...

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Abstract

The invention discloses a water flow detection device for detecting water flow status. The water flow detection device comprises a detection part and a stopping part, wherein the detection part can move under the action of water flow to reflect the water flow status, the stopping part is used for providing the detection part with acting force, the direction of which is opposite to the movement direction of the detection part under the action of the water flow, the magnitude of the acting force provided by the stopping part and / or the moment of force generated by the acting fore are / is adjustable. According to the water flow detection device provided by the invention, the stopping part can supply certain resistance to the movement of the detection part, the magnitude of the acting force provided by the stopping part to the detection part and / or the moment of force generated by the acting fore are / is adjustable, the detection part can move under the action of different water flows, so that the water flow detection device can be used in the water flows with different quantities of flow, and the sensitivity is guaranteed to be relatively high.

Description

technical field [0001] The invention relates to the related technical field of water flow detection, in particular to a water flow detection device. Background technique [0002] The water flow switch is widely used in the water pipes of the water heater (device) entering and leaving the heat exchanger, mainly to ensure that the water heater can be started only when there is water. After investigation, it is found that most of the water flow switches on the market are based on the principle of magnetic repulsion, and the switch is opened after the thrust of the water flow on the target is greater than the magnetic force. However, the magnetic force is relatively small, and when the water flow is very small, the water flow switch is turned on. However, the water flow required by the water heater to start the water heater during defrosting and ordinary hot water production is different, and the size of the water flow required for the action of the existing water flow switch i...

Claims

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Application Information

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IPC IPC(8): F24H9/20G01F1/20
CPCF24H9/2007G01F1/20
Inventor 张晓光刘爱军李孜陈长春吴谦曾志斌欧阳龙强张宇林
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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