DE29823785U1 - Device for measuring a liquid flow - Google Patents

Device for measuring a liquid flow

Info

Publication number
DE29823785U1
DE29823785U1 DE29823785U DE29823785U DE29823785U1 DE 29823785 U1 DE29823785 U1 DE 29823785U1 DE 29823785 U DE29823785 U DE 29823785U DE 29823785 U DE29823785 U DE 29823785U DE 29823785 U1 DE29823785 U1 DE 29823785U1
Authority
DE
Germany
Prior art keywords
valve
throttle valve
measuring
line
flow
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE29823785U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SOFTATALO AIDA HELSINKI Oy
Original Assignee
SOFTATALO AIDA HELSINKI Oy
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 SOFTATALO AIDA HELSINKI Oy filed Critical SOFTATALO AIDA HELSINKI Oy
Priority claimed from PCT/FI1998/000138 external-priority patent/WO1998036246A1/en
Publication of DE29823785U1 publication Critical patent/DE29823785U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01F1/34—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 by measuring pressure or differential pressure
    • G01F1/36—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 by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/363—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 by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
    • 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
    • G01F1/34—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 by measuring pressure or differential pressure
    • G01F1/36—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 by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—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 by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • G01F1/383—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 by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule with electrical or electro-mechanical indication

Landscapes

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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (3)

1. Vorrichtung zum Messen des Flüssigkeitsdurchflusses in einer Leitung (8, 12), wobei die Vorrichtung aufweist
  • 1. ein Ventil (1), das als ein Teil der Leitung (8, 12) installiert ist,
  • 2. Druckmeßpunkte (3, 4), die sowohl vor als auch nach dem Ventil (1) in der Leitung (8, 12) angeordnet sind,
  • 3. einen Druckdifferenzmeßwertgeber (2) zum Messen der Druckdifferenz zwischen den Druckmeßpunkten (3, 4), und
  • 4. eine Einrichtung (5) zum Umwandeln der Druckdiffe­ renz in die gewünschten Meßdaten, dadurch gekennzeichnet, daß das Ventil ein Drosselventil (1) ist.
1. Device for measuring the liquid flow in a line ( 8 , 12 ), the device comprising
  • 1. a valve ( 1 ) installed as part of the line ( 8 , 12 ),
  • 2. pressure measuring points ( 3 , 4 ) which are arranged both before and after the valve ( 1 ) in the line ( 8 , 12 ),
  • 3. a pressure difference transducer ( 2 ) for measuring the pressure difference between the pressure measuring points ( 3 , 4 ), and
  • 4. A device ( 5 ) for converting the pressure difference into the desired measurement data, characterized in that the valve is a throttle valve ( 1 ).
2. Vorrichtung nach Anspruch 1, die mit einem Fernhei­ zungsnetzwerk verbunden ist, dadurch gekennzeichnet, daß die Durchflußwiderstandskurve des Drosselventils (1) in einem Verwendungsbereich so linear wie möglich ist, um eine genaue Interpolation von Meßwerten unter Zuhilfenahme von sogar einer relativ kleinen Anzahl von Vergleichspunk­ ten zu vereinfachen, und der Durchflußwiderstand des Drosselventils (1) dafür ausgelegt ist, steil anzusteigen, wenn die Rate des Durchflusses über den geplanten Verwendungsbereich ansteigt, wodurch das Ansteigen des Durchflußwiderstands die Fähigkeit der Vorrichtung verbessert, die übermäßigen Durchflußpulse des Fernheizungsnetzwerks abzuschneiden.2. Device according to claim 1, which is connected to a Fernhei supply network, characterized in that the flow resistance curve of the throttle valve ( 1 ) is as linear as possible in a range of use in order to ensure an accurate interpolation of measured values with the aid of even a relatively small number of To simplify comparison points, and the flow resistance of the throttle valve ( 1 ) is designed to rise steeply as the rate of flow increases above the intended area of use, whereby the increase in flow resistance improves the ability of the device to cut off the excessive flow pulses of the district heating network. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Drosselventil (1) in einer Rückleitung (12) eines Verbrauchers des Fernheizungsnetzwerks installiert ist.3. Apparatus according to claim 2, characterized in that the throttle valve ( 1 ) is installed in a return line ( 12 ) of a consumer of the district heating network.
DE29823785U 1998-02-13 1998-02-13 Device for measuring a liquid flow Expired - Lifetime DE29823785U1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI1998/000138 WO1998036246A1 (en) 1997-02-13 1998-02-13 Method and apparatus for measuring liquid flow

Publications (1)

Publication Number Publication Date
DE29823785U1 true DE29823785U1 (en) 1999-12-09

Family

ID=8556705

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29823785U Expired - Lifetime DE29823785U1 (en) 1998-02-13 1998-02-13 Device for measuring a liquid flow

Country Status (1)

Country Link
DE (1) DE29823785U1 (en)

Similar Documents

Publication Publication Date Title
DE3366342D1 (en) Method and apparatus for determining the fluid flow characteristics in a bore hole by temperature measurement
DE69722451D1 (en) DEVICE FOR PUMPING A FLUID WITH A CONSTANT FLOW RATE
DE4233284C2 (en) Calorimetric flow switch
DE20104033U1 (en) Cistern for a toilet system
DE880953C (en) Device for displaying pressure differences
DE2930765C2 (en) Perforated support disc for the diaphragm of a hydraulically operated diaphragm pump
DE29823785U1 (en) Device for measuring a liquid flow
EP1480018A2 (en) Flowmeter with a filter, especially for hot water heating apparatus
DE68911844T2 (en) DEVICE FOR MEASURING THE PRESSURE OF A LIQUID, IN PARTICULAR FOR MEDICAL USE.
DE4025323A1 (en) Throughflow measurer for radiators of central heating system - has electronic computer receiving measurement values from length and pressure differential measuring units
DE3910850C2 (en)
DE29915256U1 (en) Device for measuring the liquid level
DE2237051A1 (en) DEVICE FOR DETERMINING THE DIMENSIONS OF MECHANICAL WORKPIECES
EP1447329A1 (en) Method and apparatus for dispensing a fluid substance
CH649843A5 (en) ARRANGEMENT FOR MEASURING THE QUANTITY OF HEAT AT THE INDIVIDUAL HEATING GROUPS OF A COMMON HEATING CENTER.
DE2307064B2 (en) Method of measuring the flow of coolant through the core of a boiling water nuclear reactor
DE7811788U1 (en) PIPELESS FUEL ORGAN FOR COUNTER PRESSURE FILLING MACHINES
DE29909879U1 (en) Device for checking the output of a switching pulse from an electronic flow switch
DE10162286B4 (en) Device for determining the volume of a gas at ambient pressure
DE3430835C2 (en) Device for measuring the flow rate of gaseous or liquid media
DE102004022519A1 (en) Device for filling a medium
DE3321015C2 (en) Device for determining the saturation temperature of a hot, pressurized liquid
DE4207043A1 (en) Gas flow transducer for measuring pressure, flow speed or volume - has rod perpendicular to flow with inlet and outlet apertures one after other in flow direction
DE29924249U1 (en) Valve for hot water systems
DE2127198A1 (en) Fixed resistance for fluidic flows

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000113

R150 Term of protection extended to 6 years

Effective date: 20010622

R151 Term of protection extended to 8 years

Effective date: 20040528

R152 Term of protection extended to 10 years

Effective date: 20060516

R071 Expiry of right