CN2224402Y

CN2224402Y - Underground-storaged electronic flow meter

Info

Publication number: CN2224402Y
Application number: CN 95216451
Authority: CN
Inventors: 李桂江
Original assignee: 郑成银
Priority date: 1995-07-21
Filing date: 1995-07-21
Publication date: 1996-04-10
Anticipated expiration: 2005-07-21

Abstract

The utility model relates to an underground-storage electronic flow meter. The water inlet of the housing of the utility model is ordinally provided with a flow guiding body, an impeller wheel, and a magnetoelectric sensor. The housing is provided with a water outlet, a battery is arranged in a cylinder, a negative pole is connected with the housing, and a positive pole is connected with an interface socket. The signal line of the magnetoelectric sensor is connected with an SCM acquisition storage device. A protecting cap seals the tail part of the housing. The utility model has the advantages of high precision, large storage capacity and strong reliability, and is suitable for the layer flow test of the oil wells.

Description

Down-hole memory type electronic flow-meter

The utility model belongs to the oil well delamination flow testing device.

At present, common oil field dispensing well yield instrumentation examination precision is low, poor reliability, and storage capability is little, limited by rugged surroundings, and function is few.

The purpose of this utility model is to overcome the deficiency of above-mentioned known technology, thereby a kind of precision height is provided, and storage capability is big, the multi-functional flowmeter of good reliability.

The purpose of this utility model realizes in the following way:

This flowmeter is by baffle (1), impeller (2), magnetoelectric transducer (3), water delivering orifice (4), signal wire (5), battery (6), single-chip microcomputer acquisition, storage device (7), shell (8), interface socket (9), switch short-circuit line (10) and helmet (11) are formed, wherein: shell (8) is equipped with baffle (1) successively from water inlet, impeller (2), have magnet on impeller (2) axle, connect magnetoelectric transducer (3), on the shell of its outer end, have water delivering orifice (4), battery (6) is contained in one, have wire casing in the tube, negative pole connects shell, positive pole is drawn out to interface socket (9), magnetoelectric transducer (3) is drawn signal wire and is linked to each other with single-chip microcomputer acquisition, storage device (7), have O-ring seal with shell (8) joint, helmet (11) is with shell (8) tail seal.

The utility model compared with prior art has following advantage:

The measuring accuracy height, storage capability is big, sound construction, good reliability, easy and simple to handle.

Below in conjunction with accompanying drawing the utility model is further described:

Fig. 1 is the utility model front view

Fig. 2 is the utility model use principle figure

In Fig. 1: (1) baffle; (2) impeller; (3) magnetoelectric transducer; (4) water delivering orifice; (5) signal wire; (6) battery; (7) single-chip microcomputer acquisition, storage device; (8) shell; (9) interface socket; (10) switch short-circuit line; (11) helmet.

During use, instrument is sent into the precalculated position, down-hole with winch, fluid enters impeller (2) through baffle (1), make its rotation produce the revolution that is directly proportional with flow and send weak signal, fluid flows out from water delivering orifice (4), impeller whenever circles and just induces an electric pulse, import storing apparatus into through signal wire (5), after receiving the signal of sending, amplify, finish counting collection and storage after the shaping again, the data of acquisition, storage are the average pulse number in the unit interval, the time interval can set up on their own when programming, and the test duration can decide by measurement requirement, and the power supply of flowmeter is by the control of the short-circuit line (10) between two holes in the socket (9), (10) the instrument work of connection, disconnection then quits work.

After the flow collection storage is finished, take out instrument, connect converting interface and computing machine, just can carry out playback program and carry out data readback.

Fig. 2 is the data readback synoptic diagram, the operation computer program makes it to be in waiting status, sends an order that transmits data from interface circuit, just total data is sent into computer interface after single-chip microcomputer receives orders, computing machine is all deposited data, is printed or show.

Single-chip microcomputer acquisition, storage device adopts existing product, and model can be D87C51.

Claims

1. down-hole memory type electronic flow-meter, by baffle (1), impeller (2), magnetoelectric transducer (3), water delivering orifice (4), signal wire (5), battery (6), single-chip microcomputer acquisition, storage device (7), shell (8), interface socket (9), switch short-circuit line (10) and helmet (11) are formed, it is characterized in that: shell (8) is equipped with baffle (1) successively from water inlet, impeller (2), have magnet on impeller (2) axle, connect magnetoelectric transducer (3), on the shell of its outer end, have water delivering orifice (4), battery (6) is contained in one, have wire casing in the tube, negative pole connects shell, positive pole is drawn out to interface socket (9), magnetoelectric transducer (3) is drawn signal wire and is linked to each other with single-chip microcomputer acquisition, storage device (7), have O-ring seal with shell (8) joint, helmet (11) is with shell (8) tail seal.