WO2021000367A1 - 流量压力传感器 - Google Patents

流量压力传感器 Download PDF

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Publication number
WO2021000367A1
WO2021000367A1 PCT/CN2019/098099 CN2019098099W WO2021000367A1 WO 2021000367 A1 WO2021000367 A1 WO 2021000367A1 CN 2019098099 W CN2019098099 W CN 2019098099W WO 2021000367 A1 WO2021000367 A1 WO 2021000367A1
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Prior art keywords
flow
flowmeter
pressure
water
pressure sensor
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PCT/CN2019/098099
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English (en)
French (fr)
Inventor
薛永
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南京福碧源环境技术有限公司
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Publication of WO2021000367A1 publication Critical patent/WO2021000367A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/18—Supports or connecting means for meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0007—Fluidic connecting means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0061—Electrical connection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature

Definitions

  • the invention relates to a water softener, in particular to a flow pressure sensor for a control valve of the water softener.
  • the water softener can remove calcium and magnesium ions in the water, soften the water, thereby reducing the hardness of the water.
  • the core component of the water softener is the control valve, and the flow sensor plays a role in measuring the water flow in the control valve and is one of the key components of the control valve.
  • the performance of the flow sensor directly affects the function of the water softener.
  • the flow meter usually adopts the turbine method. When the water flows through, the impeller is driven to rotate, and the magnet installed on the impeller rotates together. A magnetic field pulse is generated between the magnet and the flow detection Hall element, and then the water flow signal output is realized. The measured flow rate cannot reflect the pressure value in the waterway.
  • the objective of the present invention is to provide a flow pressure sensor for a water softener control valve.
  • the flow pressure sensor is based on the structure design of the existing control valve flow sensor, and measures the instantaneous pressure of the water flow simultaneously when measuring the instantaneous flow rate of the water flow.
  • a flow pressure sensor including a flowmeter bracket
  • the flowmeter bracket is installed on the valve body of the water softener control valve
  • the flowmeter bracket is provided with an impeller shaft and a flowmeter bracket
  • the impeller shaft extends into the water outlet of the water softener control valve and installs the impeller assembly.
  • the inner cavity of the flowmeter bracket is equipped with a flow detection Hall element and a PCB assembly.
  • the flow detection Hall element is close to the impeller assembly and connected to the PCB assembly and the flowmeter.
  • the open end of the inner cavity of the bracket is provided with a flowmeter bracket cover;
  • the inner cavity of the flowmeter holder is provided with a pressure detecting element installation groove
  • the flowmeter holder is provided with a water flow passage hole
  • the pressure detecting element installation groove is connected to the water outlet of the water softener control valve through the water flow passage hole
  • the pressure detecting element installation groove is provided with pressure
  • the detection element, the pressure detection element is connected to the PCB assembly.
  • the pressure detecting element is provided with a pressure detecting element port, the pressure detecting element port is facing the water flow channel hole, and the pressure detecting element port is provided with a pressure sensitive element.
  • a pressure detection element insertion port is provided in the middle of the PCB assembly, and the pressure detection element output terminal is inserted into the pressure detection element insertion port and fixed by welding.
  • a compression cylinder is provided at a position corresponding to the pressure detection element installation groove on the inside of the flowmeter support cover, and the pressure detection element and the pressure detection element installation groove are pressed and abutted by the compression cylinder.
  • a ring groove is provided at a position where the pressure detecting element mounting groove and the pressure detecting element are attached, and the ring groove is provided with an inner sealing ring.
  • the inner cavity of the flowmeter holder is also provided with a guide groove, the front of the PCB assembly is inserted into the guide groove, the front end of the PCB assembly is provided with a flow detection Hall element insertion interface, and the flow detection Hall element output terminal is inserted into the flow detection hall
  • the components are inserted into the interface and fixed by welding.
  • the inside of the flow meter support cover is provided with a PCB card slot at a position corresponding to the guide slot, and the tail end of the PCB assembly is inserted into the PCB card slot.
  • end of the flow meter bracket cover is provided with a hook
  • the open end of the inner cavity of the flow meter bracket is provided with a locking groove matching the hook
  • an outer sealing ring is provided on the outside of the flow meter holder.
  • the flow pressure sensor of the present invention can simultaneously measure the instantaneous pressure of the water flow when measuring the instantaneous flow rate of the water flow.
  • Figure 1 is a schematic diagram of the installation of the present invention
  • Figure 2 is a schematic diagram of the structure of the present invention.
  • FIG. 3 is a detailed explanatory diagram of the present invention.
  • a flow pressure sensor of the present invention includes a flow meter bracket 2, which is installed on the valve body 14 of the water softener control valve.
  • the flow meter bracket 2 is provided with an impeller shaft 9 and a flow rate In the inner cavity of the meter bracket 2-4, the impeller shaft 9 extends into the water outlet 15 of the control valve of the water softener and installs the impeller assembly.
  • the impeller assembly includes the impeller 6, the gem bearing 7, the flowmeter shaft sleeve 8, the shaft sleeve 10, and the magnet 11 .
  • the inner cavity 2-4 of the flowmeter holder is provided with a flow detection Hall element 12 and a PCB assembly 13.
  • the flow detection Hall element 12 is close to the impeller assembly and connected to the PCB assembly 13, and the open end of the flowmeter holder inner cavity 2-4 is provided with a flow rate ⁇ Support cover 1.
  • the inner cavity 2-4 of the flowmeter holder is provided with a pressure detecting element installation groove 2-5
  • the flowmeter holder 2 is provided with a water flow passage hole 2-1
  • the pressure detecting element installation groove 2-5 is connected through the water flow passage hole 2-1
  • the water outlet 15 of the control valve of the water softener and the pressure detection element installation grooves 2-5 are provided with a pressure detection element 3, and the pressure detection element 3 is connected to the PCB assembly 13.
  • the pressure detecting element 3 is provided with a pressure detecting element port 3-1, the pressure detecting element port 3-1 is facing the water flow channel hole 2-1, and the pressure detecting element port 3-1 is provided with a pressure sensitive element .
  • the PCB assembly 13 is provided with a pressure detection element insertion port in the middle, and the output terminal of the pressure detection element 3 is inserted into the pressure detection element insertion port and fixed by welding.
  • the inner side of the flowmeter support cover 1 is provided with a compression cylinder 1-1 at a position corresponding to the pressure detection element installation groove 2-5, and the pressure detection element 3 and the pressure detection element installation groove 2 are made by the compression cylinder 1-1. 5 Press tightly.
  • the position where the pressure detecting element installation groove 2-5 and the pressure detecting element 3 are attached is provided with a ring groove 2-2, and the ring groove 2-2 is provided with an inner sealing ring 4. Prevent liquid leakage between the pressure detection element 3 and the pressure detection element installation groove 2-5.
  • the inner cavity 2-4 of the flow meter holder is also provided with a guide groove 2-3, and the front part of the PCB assembly 13 is inserted into the guide groove 2-3.
  • the PCB assembly 13 is positioned through the guide groove 2-3.
  • the front end of the PCB assembly 13 is provided with a flow detection Hall element insertion interface, and the output terminals of the flow detection Hall element 12 are inserted into the flow detection Hall element insertion interface and fixed by welding.
  • the inner side of the flow meter support cover 1 is also provided with a PCB card slot 1-2 at a position corresponding to the guide slot 2-3, and the tail end of the PCB assembly 13 is inserted into the PCB card slot 1-2. During installation, the PCB assembly 13 is pressed and fixed through the PCB card slot 1-2.
  • the end of the flow meter holder cover 1 is provided with a hook 1-3, and the open end of the inner cavity 2-4 of the flow meter holder is provided with a locking groove matching the hook 1-3. During installation, the hooks 1-3 at the end of the flowmeter holder cover 1 are locked into the grooves at the open end of the inner cavity 2-4 of the flowmeter holder.
  • An outer sealing ring 5 is provided on the outside of the flow meter holder 2. Prevent liquid leakage from the flowmeter bracket 2 and the valve body 14.
  • the impeller assembly is assembled first, then the PCB circuit board, and finally the PCB circuit board.
  • the assembly sequence of the impeller assembly is as follows:
  • the PCB circuit board assembly sequence is as follows:
  • the PCB circuit board installation steps are as follows:
  • the water flow acts on the blades of the impeller 6 to push the impeller 6 to rotate.
  • the magnet 11 is embedded in the impeller 6 and rotates around the impeller shaft 9 synchronously.
  • the magnet 11 and the flow detection Huo The Hall element 12 generates a Hall effect, and the flow detection Hall element 12 generates a signal that is transmitted to the main control board through the PCB circuit board 13 to measure the instantaneous flow of the water flow.
  • the water flows through the water flow channel hole 2-1 and enters the pressure detection element port 3-1.
  • the pressure detection element 3 converts the force generated by the water flow into a pressure signal and sends it to the main control through the PCB circuit board 13.
  • the plate measures the instantaneous pressure of the water flow.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Volume Flow (AREA)

Abstract

本发明公开了一种流量压力传感器，包括流量计支架，流量计支架安装于软水机控制阀的阀体上，流量计支架设有叶轮轴、流量计支架内腔，叶轮轴伸入软水机控制阀的出水口内并安装叶轮组件，流量计支架内腔设有流量检测霍尔元件、PCB组件，流量检测霍尔元件靠近叶轮组件并连接PCB组件，流量计支架内腔的开口端设有流量计支架盖；流量计支架内腔设有压力检测元件安装槽，流量计支架设有水流通道孔，压力检测元件安装槽通过水流通道孔连通软水机控制阀的出水口，压力检测元件安装槽设有压力检测元件，压力检测元件连接PCB组件。该流量压力传感器基于现有控制阀流量传感器结构设计，在测量水流的瞬时流量时同步测量水流的瞬时压力。

Description

流量压力传感器 技术领域
本发明涉及软水机，尤其是一种用于软水机控制阀的流量压力传感器。
背景技术
软水机可以去除水内的钙镁离子，将水质进行软化，从而降低水的硬度。软水机的核心部件为控制阀，而流量传感器在控制阀中起到测量出水流量的作用，是控制阀关键部件之一。流量传感器的性能直接影响软水机的功能。流量计通常采用涡轮方式，在水流通过时推动叶轮旋转，带动安装在叶轮上的磁钢一同转动，在磁钢与流量检测霍尔元件间产生磁场脉冲，进而实现水流量信号输出，但仅能测量流量不能反映水路内的压力值。
发明内容
发明目的：本发明目的是提供一种用于软水机控制阀的流量压力传感器，该流量压力传感器基于现有控制阀流量传感器结构设计，在测量水流的瞬时流量时同步测量水流的瞬时压力。
为了实现上述目的，本发明采用了如下的技术方案：一种流量压力传感器，包括流量计支架，流量计支架安装于软水机控制阀的阀体上，流量计支架设有叶轮轴、流量计支架内腔，叶轮轴伸入软水机控制阀的出水口内并安装叶轮组件，流量计支架内腔设有流量检测霍尔元件、PCB组件，流量检测霍尔元件靠近叶轮组件并连接PCB组件，流量计支架内腔的开口端设有流量计支架盖；
所述流量计支架内腔设有压力检测元件安装槽，流量计支架设有水流通道孔，压力检测元件安装槽通过水流通道孔连通软水机控制阀的出水口，压力检测元件安装槽设有压力检测元件，压力检测元件连接PCB组件。
进一步的，所述压力检测元件设有压力检测元件口，压力检测元件口正对水流通道孔，压力检测元件口内设有压力敏感元件。
进一步的，所述PCB组件中部设有压力检测元件插接口，压力检测元件输出端子插入压力检测元件插接口并焊接固定。
进一步的，所述流量计支架盖内侧与压力检测元件安装槽相对应的位置设有压紧圆柱，通过压紧圆柱使压力检测元件和压力检测元件安装槽压紧贴合。
进一步的，所述压力检测元件安装槽与压力检测元件相贴合的位置设有环槽，环槽设有内密封圈。
进一步的，所述流量计支架内腔还设有导槽，PCB组件前部插入导槽内，PCB组件 前端设有流量检测霍尔元件插接口，流量检测霍尔元件输出端子插入流量检测霍尔元件插接口内并焊接固定。
进一步的，所述流量计支架盖内侧与导槽相对应的位置还设有PCB卡槽，PCB组件尾端部插入PCB卡槽内。
进一步的，所述流量计支架盖端部设有卡勾，流量计支架内腔的开口端设有与卡勾相匹配的卡槽。
进一步的，所述流量计支架外侧设有外密封圈。
有益效果：采用本发明流量压力传感器，可以在测量水流的瞬时流量时同步测量水流的瞬时压力。
附图说明
图1为本发明的安装示意图；
图2为本发明的结构示意图；
图3为本发明的细节说明图；
图中：1-流量计支架盖；1-1-压紧圆柱；1-2-PCB卡槽；1-3-卡勾；2-流量计支架；2-1-水流通道孔；2-2环槽；2-3-导槽；2-4-流量计支架内腔；2-5-压力检测元件安装槽；3-压力检测元件；3-1-压力检测元件口；4-内密封圈；5-外密封圈；6-叶轮；7-宝石轴承；8-流量计轴套；9-叶轮轴；10-轴套；11-磁钢；12-流量检测霍尔元件；13-PCB线路板；14-阀体；15-出水口。
具体实施方式：
下面结合附图对本发明做更进一步的解释。
如图1至3所示，本发明的一种流量压力传感器，包括流量计支架2，流量计支架2安装于软水机控制阀的阀体14上，流量计支架2设有叶轮轴9、流量计支架内腔2-4，叶轮轴9伸入软水机控制阀的出水口15内并安装叶轮组件，叶轮组件包括叶轮6、宝石轴承7、流量计轴套8、轴套10、磁钢11。流量计支架内腔2-4设有流量检测霍尔元件12、PCB组件13，流量检测霍尔元件12靠近叶轮组件并连接PCB组件13，流量计支架内腔2-4的开口端设有流量计支架盖1。
所述流量计支架内腔2-4设有压力检测元件安装槽2-5，流量计支架2设有水流通道孔2-1，压力检测元件安装槽2-5通过水流通道孔2-1连通软水机控制阀的出水口15，压力检测元件安装槽2-5设有压力检测元件3，压力检测元件3连接PCB组件13。
本实施例中，所述压力检测元件3设有压力检测元件口3-1，压力检测元件口3-1正对水流通道孔2-1，压力检测元件口3-1内设有压力敏感元件。
所述PCB组件13中部设有压力检测元件插接口，压力检测元件3输出端子插入压 力检测元件插接口并焊接固定。
所述流量计支架盖1内侧与压力检测元件安装槽2-5相对应的位置设有压紧圆柱1-1，通过压紧圆柱1-1使压力检测元件3和压力检测元件安装槽2-5压紧贴合。
所述压力检测元件安装槽2-5与压力检测元件3相贴合的位置设有环槽2-2，环槽2-2设有内密封圈4。防止压力检测元件3与压力检测元件安装槽2-5之间出现液体渗漏。
所述流量计支架内腔2-4还设有导槽2-3，PCB组件13前部插入导槽2-3内，安装时，通过导槽2-3对PCB组件13进行定位。PCB组件13前端设有流量检测霍尔元件插接口，流量检测霍尔元件12输出端子插入流量检测霍尔元件插接口内并焊接固定。
所述流量计支架盖1内侧与导槽2-3相对应的位置还设有PCB卡槽1-2，PCB组件13尾端部插入PCB卡槽1-2内。安装时，通过PCB卡槽1-2压紧固定PCB组件13。
所述流量计支架盖1端部设有卡勾1-3，流量计支架内腔2-4的开口端设有与卡勾1-3相匹配的卡槽。安装时，流量计支架盖1端部卡勾1-3卡入流量计支架内腔2-4开口端的卡槽内。
所述流量计支架2外侧设有外密封圈5。防止流量计支架2与阀体14出现液体渗漏。
该流量压力传感器在安装时，先装配叶轮组件，再装配PCB线路板，最后安装PCB线路板。
叶轮组件装配顺序如下：
A：先将两个磁钢压装在叶轮6内；
B:将宝石轴承7安装在流量计轴套8内，在将流量计轴套8压装到叶轮6的内台阶处；
C:将轴套10压装到叶轮6外端台阶处，形成一个叶轮组件。将叶轮组件压装到叶轮轴9上；
PCB线路板装配顺序如下：
A：将压力检测元件3插接到PCB线路板13上后进行定位焊接；
B：将流量检测霍尔元件12插接到PCB板上后进行定位焊接；
PCB线路板安装步骤如下：
A:安装内密封圈4到压力检测元件安装槽2-5的环槽2-2处；
B:将PCB组件13插入到流量计支架2的导槽2-3内；
C:最后将流量计支架盖1进行扣合，使流量计支架盖1的压紧圆柱1-1压紧压力检测元件3，使流量计支架盖1内的PCB卡槽1-2与PCB线路板13对齐，将流量计支架盖1的卡勾1-3卡在流量计支架内腔2-4开口端的卡槽内。
软水控制阀出水口有水流运动时，水流作用在叶轮6的叶片上推动叶轮6进行旋转同时磁钢11是内嵌在叶轮6内的同步绕叶轮轴9进行旋转，磁钢11与流量检测霍尔元件12产生霍尔效应，流量检测霍尔元件12产生信号通过PCB线路板13传递给主控板进行计量水流的瞬时流量。
软水控制阀出水口有水流时，水流经水流通道孔2-1进入到压力检测元件口3-1处，压力检测元件3将水流产生的力转换为压力信号通过PCB线路板13输送给主控板进行计量水流的瞬时压力。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (9)

  1. 一种流量压力传感器，包括流量计支架(2)，流量计支架(2)安装于软水机控制阀的阀体(14)上，流量计支架(2)设有叶轮轴(9)、流量计支架内腔(2-4)，叶轮轴(9)伸入软水机控制阀的出水口(15)内并安装叶轮组件，流量计支架内腔(2-4)设有流量检测霍尔元件(12)、PCB组件(13)，流量检测霍尔元件(12)靠近叶轮组件并连接PCB组件(13)，流量计支架内腔(2-4)的开口端设有流量计支架盖(1)；其特征在于：
    所述流量计支架内腔(2-4)设有压力检测元件安装槽(2-5)，流量计支架(2)设有水流通道孔(2-1)，压力检测元件安装槽(2-5)通过水流通道孔(2-1)连通软水机控制阀的出水口(15)，压力检测元件安装槽(2-5)设有压力检测元件(3)，压力检测元件(3)连接PCB组件(13)。
  2. 根据权利要求1所述的一种流量压力传感器，其特征在于：所述压力检测元件(3)设有压力检测元件口(3-1)，压力检测元件口(3-1)正对水流通道孔(2-1)，压力检测元件口(3-1)内设有压力敏感元件。
  3. 根据权利要求2所述的一种流量压力传感器，其特征在于：所述PCB组件(13)中部设有压力检测元件插接口，压力检测元件(3)输出端子插入压力检测元件插接口并焊接固定。
  4. 根据权利要求3所述的一种流量压力传感器，其特征在于：所述流量计支架盖(1)内侧与压力检测元件安装槽(2-5)相对应的位置设有压紧圆柱(1-1)，通过压紧圆柱(1-1)使压力检测元件(3)和压力检测元件安装槽(2-5)压紧贴合。
  5. 根据权利要求3所述的一种流量压力传感器，其特征在于：所述压力检测元件安装槽(2-5)与压力检测元件(3)相贴合的位置设有环槽(2-2)，环槽(2-2)设有内密封圈(4)。
  6. 根据权利要求1所述的一种流量压力传感器，其特征在于：所述流量计支架内腔(2-4)还设有导槽(2-3)，PCB组件(13)前部插入导槽(2-3)内，PCB组件(13)前端设有流量检测霍尔元件插接口，流量检测霍尔元件(12)输出端子插入流量检测霍尔元件插接口内并焊接固定。
  7. 根据权利要求6所述的一种流量压力传感器，其特征在于：所述流量计支架盖(1)内侧与导槽(2-3)相对应的位置还设有PCB卡槽(1-2)，PCB组件(13)尾端部插入PCB卡槽(1-2)内。
  8. 根据权利要求1所述的一种流量压力传感器，其特征在于：所述流量计支架盖(1)端部设有卡勾(1-3)，流量计支架内腔(2-4)的开口端设有与卡勾(1-3)相匹配的卡槽。
  9. 根据权利要求1所述的一种流量压力传感器，其特征在于：所述流量计支架(2)外侧设有外密封圈(5)。
PCT/CN2019/098099 2019-07-02 2019-07-29 流量压力传感器 WO2021000367A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154956A (zh) * 2014-08-21 2014-11-19 山东锋士自动化系统有限公司 一体化智能管网流量压力采集远传水表
CN205642466U (zh) * 2016-05-09 2016-10-12 南京福碧源环境技术有限公司 软水阀用流量计的安装结构
CN207213300U (zh) * 2017-09-18 2018-04-10 浙江工业职业技术学院 一种电磁阀
CN207248250U (zh) * 2017-10-09 2018-04-17 南京福碧源环境技术有限公司 一种可供软水设备吸盐口使用的双向流量计
CN207923218U (zh) * 2018-01-10 2018-09-28 河南省新思源电力科学研究院有限公司 一种新型管道内流体介质流动指示器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209927185U (zh) * 2019-07-02 2020-01-10 南京福碧源环境技术有限公司 流量压力传感器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154956A (zh) * 2014-08-21 2014-11-19 山东锋士自动化系统有限公司 一体化智能管网流量压力采集远传水表
CN205642466U (zh) * 2016-05-09 2016-10-12 南京福碧源环境技术有限公司 软水阀用流量计的安装结构
CN207213300U (zh) * 2017-09-18 2018-04-10 浙江工业职业技术学院 一种电磁阀
CN207248250U (zh) * 2017-10-09 2018-04-17 南京福碧源环境技术有限公司 一种可供软水设备吸盐口使用的双向流量计
CN207923218U (zh) * 2018-01-10 2018-09-28 河南省新思源电力科学研究院有限公司 一种新型管道内流体介质流动指示器

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