WO2008119205A1 - A water dropping flow sensor attached to a water meter - Google Patents

A water dropping flow sensor attached to a water meter Download PDF

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Publication number
WO2008119205A1
WO2008119205A1 PCT/CN2007/001044 CN2007001044W WO2008119205A1 WO 2008119205 A1 WO2008119205 A1 WO 2008119205A1 CN 2007001044 W CN2007001044 W CN 2007001044W WO 2008119205 A1 WO2008119205 A1 WO 2008119205A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
water meter
grating wheel
flow sensor
sensor attached
Prior art date
Application number
PCT/CN2007/001044
Other languages
French (fr)
Chinese (zh)
Inventor
Heping Deng
Hongfei Pang
Jingdong Miao
Shuying Yang
Original Assignee
Tianjin Kailida Control Technology Development Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Kailida Control Technology Development Co., Ltd. filed Critical Tianjin Kailida Control Technology Development Co., Ltd.
Priority to PCT/CN2007/001044 priority Critical patent/WO2008119205A1/en
Publication of WO2008119205A1 publication Critical patent/WO2008119205A1/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring 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
    • G01F1/06Measuring 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 using rotating vanes with tangential admission
    • G01F1/065Measuring 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 using rotating vanes with tangential admission with radiation as transfer means to the indicating device, e.g. light transmission
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring 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
    • G01F1/06Measuring 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 using rotating vanes with tangential admission
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details 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
    • G01F15/06Indicating or recording devices

Definitions

  • the utility model belongs to the field of flow sensors.
  • the purpose of the utility model is to overcome the defects of the prior art and provide a sensing head designed by using the grating photoelectric principle, which can cooperate with a suitable water meter to solve the high sensitivity and high resolution measurement problem in the trickle state. .
  • the object of the present invention is achieved as follows:
  • the water meter is provided with a drip flow sensing head, comprising a rotating link 8 disposed in the outer casing 12, and a grating wheel 7 fixed to one end of the rotating connecting rod, symmetrically disposed on both sides of the grating wheel 7.
  • the utility model has the beneficial effects that: when used in combination with a water meter, the flow rate can be reliably monitored in a trickle state.
  • Figure 1 is a schematic view of the structure of the utility model; wherein: 8 rotating link, 7 grating wheel, 9 emitting tube, 10 receiving tube, 11 circuit board, 12 outer casing.
  • Figure 2 is a schematic view showing the structure of the grating wheel 7 of Figure 1.
  • Figure 3 is a schematic view of the structure of Figure 1 in combination with a water meter; wherein: 1 water meter movement, 2 couplings, 3 drops of water flow sensing head, 4 water inlets, 5 water outlets, 6, housing. detailed description
  • the water meter is provided with a drip flow sensing head, comprising a rotating link 8 disposed in the outer casing 12, and a grating wheel 7 fixed to one end of the rotating connecting rod, in the grating
  • the transmitting tube 9 and the receiving tube 10 are symmetrically disposed on both sides of the wheel 7.
  • a plurality of blades are distributed on the grating wheel 7.
  • the rotation of the water meter movement is connected to the sensing head 3 through the connecting rod 8, and the grating wheel 7 is driven to rotate. Since the grating wheel 7 is distributed with a plurality of blades, the grating wheel is symmetric on both sides.
  • the transmitting tube 9 and the receiving tube 10 are arranged to cut the light intermittently when the grating wheel rotates, and cut off when the receiving tube is turned on, and the water flow signal is given by the circuit board 11 processing.
  • the water meter movement 1 rotates through the coupling 2 to drive the rotating link 8, and rotates the connecting rod 8 to drive the grating wheel 7 to rotate so that the drip sensing head 3 gives a water flow signal.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

A water dropping flow sensor attached to a water meter includes a rotating pitman (8) located in a housing (12), a grating wheel (7) fixed on one end of the pitman (8), and a transmitting tube (9) and a receiving tube (10) symmetrically located on both sides of the grating wheel (7).

Description

水表附设滴水流量传感头  Water meter with drip flow sensor head
技术领域 Technical field
本实用新型属于流量传感器领域。  The utility model belongs to the field of flow sensors.
背景技术 Background technique
目前能可靠测量小流体流量的水表有几种, 如容积旋转活塞式水表, 专用滴漏式水表等, 但现有水表的信号指示都是靠机械及计数器给出, 信 号灵敏度差, 分辨率达不到几毫升 /分钟就给出若干个电脉冲的要求。 实用新型内容  At present, there are several types of water meters that can reliably measure small fluid flow, such as volume rotary piston type water meters, special drip type water meters, etc., but the signal indications of existing water meters are given by mechanical and counters, the signal sensitivity is poor, and the resolution is not Several electrical pulses are required to reach a few milliliters per minute. Utility model content
本实用新型的目的在于克服现有技术的缺陷, 提供一种利用光栅光电 原理设计的传感头, 其与适当水表配合, 即可解决在滴流状态下的高灵敏 度, 高分辨率的测量问题。  The purpose of the utility model is to overcome the defects of the prior art and provide a sensing head designed by using the grating photoelectric principle, which can cooperate with a suitable water meter to solve the high sensitivity and high resolution measurement problem in the trickle state. .
本实用新型的目的是这样实现的: 水表附设滴水流量传感头, 包括设 置在外壳 12内的转动连杆 8, 固接于转动连接杆一端的光栅轮 7, 在光栅 轮 7两侧对称设置的发射管 9和接收管 10。  The object of the present invention is achieved as follows: The water meter is provided with a drip flow sensing head, comprising a rotating link 8 disposed in the outer casing 12, and a grating wheel 7 fixed to one end of the rotating connecting rod, symmetrically disposed on both sides of the grating wheel 7. The launch tube 9 and the receiving tube 10.
与现有技术相比, 本实用新型的有益效果是: 当与水表结合使用时, 在滴流状态下也能对流量进行可靠监测。  Compared with the prior art, the utility model has the beneficial effects that: when used in combination with a water meter, the flow rate can be reliably monitored in a trickle state.
附图说明 DRAWINGS
图 1是本实用新型的结构示意图; 其中: 8转动连杆, 7光栅轮, 9发 射管, 10接收管, 11电路板, 12外壳。  Figure 1 is a schematic view of the structure of the utility model; wherein: 8 rotating link, 7 grating wheel, 9 emitting tube, 10 receiving tube, 11 circuit board, 12 outer casing.
图 2是图 1中光栅轮 7的结构示意图。  Figure 2 is a schematic view showing the structure of the grating wheel 7 of Figure 1.
图 3是图 1与水表结合使用的结构示意图; 其中: 1 水表机芯, 2连轴 器, 3滴水流量传感头, 4入水口, 5出水口, 6, 壳体。 具体实施方式 Figure 3 is a schematic view of the structure of Figure 1 in combination with a water meter; wherein: 1 water meter movement, 2 couplings, 3 drops of water flow sensing head, 4 water inlets, 5 water outlets, 6, housing. detailed description
下面参照附图对本实用新型作进一步描述- 参见附图 1,水表附设滴水流量传感头,包括设置在外壳 12内的转动 连杆 8, 固接于转动连接杆一端的光栅轮 7, 在光栅轮 7两侧对称设置的 发射管 9和接收管 10。  The present invention will be further described with reference to the accompanying drawings - see Fig. 1, the water meter is provided with a drip flow sensing head, comprising a rotating link 8 disposed in the outer casing 12, and a grating wheel 7 fixed to one end of the rotating connecting rod, in the grating The transmitting tube 9 and the receiving tube 10 are symmetrically disposed on both sides of the wheel 7.
参见附图 2,光栅轮 7上分布有若干叶片。  Referring to Figure 2, a plurality of blades are distributed on the grating wheel 7.
参见附图 3,当与水表结合使用时, 水表机芯的转动通过连杆 8与本传 感头 3相连, 带动光栅轮 7转动, 由于光栅轮 7上分布有若干叶片, 光栅 轮两侧对称设置的发射管 9和接收管 10, 当光栅轮转动时, 时断时续切割 光线, 使接受管时导通时截止, 通过电路板 11处理给出水流流动信号。  Referring to FIG. 3, when used in combination with the water meter, the rotation of the water meter movement is connected to the sensing head 3 through the connecting rod 8, and the grating wheel 7 is driven to rotate. Since the grating wheel 7 is distributed with a plurality of blades, the grating wheel is symmetric on both sides. The transmitting tube 9 and the receiving tube 10 are arranged to cut the light intermittently when the grating wheel rotates, and cut off when the receiving tube is turned on, and the water flow signal is given by the circuit board 11 processing.
当水流经入水口 4向出水口 5流动时, 水表机芯 1转动通过联轴器 2 带动转动连杆 8, 转动连杆 8从而带动光栅轮 7转动使滴水传感头 3给出 水流信号。  When the water flows through the water inlet 4 to the water outlet 5, the water meter movement 1 rotates through the coupling 2 to drive the rotating link 8, and rotates the connecting rod 8 to drive the grating wheel 7 to rotate so that the drip sensing head 3 gives a water flow signal.

Claims

权利要求书 Claim
水表附设滴水流量传感头, 其特征在于: 包括设置在外壳 内的转动连杆, 固接于转动连接杆一端的光栅轮, 在光栅 轮两侧对称设置的发射管和接收管。. The water meter is provided with a drip flow sensing head, which is characterized in that it comprises: a rotating link disposed in the outer casing, a grating wheel fixed at one end of the rotating connecting rod, and a transmitting tube and a receiving tube symmetrically disposed on both sides of the grating wheel. .
PCT/CN2007/001044 2007-03-30 2007-03-30 A water dropping flow sensor attached to a water meter WO2008119205A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/001044 WO2008119205A1 (en) 2007-03-30 2007-03-30 A water dropping flow sensor attached to a water meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/001044 WO2008119205A1 (en) 2007-03-30 2007-03-30 A water dropping flow sensor attached to a water meter

Publications (1)

Publication Number Publication Date
WO2008119205A1 true WO2008119205A1 (en) 2008-10-09

Family

ID=39807780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/001044 WO2008119205A1 (en) 2007-03-30 2007-03-30 A water dropping flow sensor attached to a water meter

Country Status (1)

Country Link
WO (1) WO2008119205A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096383A (en) * 1976-11-08 1978-06-20 Gilbert & Barker Manufacturing Company Pulse-generating apparatus responsive to shaft rotation
CN87108201A (en) * 1987-12-27 1988-07-27 西安交通大学 Flowmeter for small flow
DE4104494A1 (en) * 1991-02-14 1992-08-20 Veba Kraftwerke Ruhr Flowmeter serving esp. as water meter - has modular detection unit with light barrier on sealed housing contg. rotor driven by liq. flow
JPH04357418A (en) * 1991-01-31 1992-12-10 Tatsuno Co Ltd Flowmeter
CN2165421Y (en) * 1993-02-03 1994-05-18 王统濬 Optoelectric tachometer flow indicator
CN2166418Y (en) * 1993-05-01 1994-05-25 史磊 Pulse flow transducer
JP2005201780A (en) * 2004-01-16 2005-07-28 Oval Corp Optical sensor for positive displacement flow meter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096383A (en) * 1976-11-08 1978-06-20 Gilbert & Barker Manufacturing Company Pulse-generating apparatus responsive to shaft rotation
CN87108201A (en) * 1987-12-27 1988-07-27 西安交通大学 Flowmeter for small flow
JPH04357418A (en) * 1991-01-31 1992-12-10 Tatsuno Co Ltd Flowmeter
DE4104494A1 (en) * 1991-02-14 1992-08-20 Veba Kraftwerke Ruhr Flowmeter serving esp. as water meter - has modular detection unit with light barrier on sealed housing contg. rotor driven by liq. flow
CN2165421Y (en) * 1993-02-03 1994-05-18 王统濬 Optoelectric tachometer flow indicator
CN2166418Y (en) * 1993-05-01 1994-05-25 史磊 Pulse flow transducer
JP2005201780A (en) * 2004-01-16 2005-07-28 Oval Corp Optical sensor for positive displacement flow meter

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