CN218865234U

CN218865234U - Water meter discontinuous flow error detection device

Info

Publication number: CN218865234U
Application number: CN202222946187.7U
Authority: CN
Inventors: 蒋惠忠; 姜世博
Original assignee: Shenzhen Water Group Co ltd
Current assignee: Shenzhen Water Group Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-14
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to a relevant technical field of water gauge measurement test, in particular, water gauge discontinuous flow error detection device, be used for connecting the water delivery pipeline section of a plurality of water gauges on installing the rack and locating the installation rack, the one end of water delivery pipeline section is used for intaking, and the other end is used for connecting the detection pipeline section, and the detection pipeline section includes the delivery pipeline section and locates the retaining container of delivery pipeline section downside. The utility model discloses a setting of water delivery pipeline section can carry out effectual fixed to the water gauge, can introduce the water through the water gauge to the detection pipeline section in through connecting the detection pipeline section simultaneously, and then carry out the control of continuous flow through the interrupter valve, can reach the monitoring and the instruction to rivers flow through electromagnetic flowmeter simultaneously, rivers in the while detection pipeline section go into in the water storage container, can detect out the quality of final water through the electronic scale, the circulation is counted the water gauge error through comparing water gauge reading and electronic scale after reciprocating several times, the purpose to water gauge flow error detection has been reached.

Description

Water meter discontinuous flow error detection device

Technical Field

The utility model relates to a water gauge measurement test correlation technique field especially relates to error detection device of water gauge under disconnected flow condition.

Background

The water meter is widely applied to the industries of tap water, heating power, chemical engineering and the like, and enterprises or metering departments for producing the water meter need to carry out metering performance verification on indicating value errors of the water meters according to standards and verification rules set by relevant departments.

The metering performance of the water meter determined by standards and certification rules is an inherent characteristic close to the ideal stable flow condition, and in practical application, a water tap or a valve is usually frequently opened and closed, and the water flow is simply interrupted along with the opening and closing of the valve, so that the water meter works under the condition of extremely unstable water flow. Such undesirable operation can result in large measurement errors in the meter and a discontinuity flow error detection device is needed to evaluate the effect of unstable water flow on meter errors.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses the purpose is to solve the error detection problem under the unstable rivers of water gauge work interrupted flow.

In order to solve the technical problem, the technical scheme of the utility model is that:

water gauge continuous flow error detection device, including the installation rack and locate be used for connecting the water delivery pipeline section of a plurality of water gauges on the installation rack, the one end of water delivery pipeline section is used for intaking, and the other end is used for connecting the detection pipeline section, the detection pipeline section includes the delivery pipe section and locates the storage container of delivery pipe section downside, the downside of storage container is equipped with the electronic scale that is used for weighing the retaining quality of holding in the storage container, the delivery pipe section of play delivery pipe section is in storage container's top, be equipped with the interrupted valve that is used for controlling detection pipeline section rivers to flow on the delivery pipe section of intaking, the detection pipeline section is still including locating the electromagnetic flowmeter who is used for monitoring water flow on the delivery pipe section.

Compare prior art, the utility model has the advantages that: the water meter can be effectively fixed through the arrangement of the water delivery pipe section, meanwhile, water passing through the water meter can be introduced into the detection pipe section through connecting the detection pipe section, the intermittent flow control is further carried out through the intermittent valve, the monitoring and the indication of the water flow can be achieved through the electromagnetic flow meter, meanwhile, the water in the detection pipe section flows into the water storage container, the final water mass can be detected through the electronic scale, the water meter error is calculated through comparing the water meter reading and the electronic scale counting after the water meter is circularly reciprocated for several times, and the purpose of detecting the water meter flow error is achieved.

Preferably, the water outlet section of the water outlet pipe section is arranged in a gooseneck shape.

Preferably, a meter clamping device used for pushing the water delivery pipe section to be connected with the detection pipe section is arranged on a section, away from the water storage container, of the water delivery pipe section.

Preferably, a drain pipe is arranged on one side of the water storage container, and a pneumatic switch valve for opening and closing the drain pipe is arranged on the drain pipe.

Preferably, the top surface of the mounting rack is concave inwards to form a water storage tank, the water meters and the water delivery pipe sections are arranged above the water storage tank, and a dredging pipe for draining water is arranged on the lower side of the water storage tank.

Preferably, one side of the water storage container is provided with a fixed staircase.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 isbase:Sub>A schematic structural diagram ofbase:Sub>A-base:Sub>A in fig. 3.

Figure 5 is the utility model discloses well water gauge flow error detection's flowchart.

Reference numerals are as follows: 1. installing a rack; 11. a water storage tank; 111. dredging the pipe;

2. a water meter; 21. a water delivery pipe section; 22. a water outlet pipe section; 23. a interrupter valve; 231. detecting a pipe section; 24. an electromagnetic flow meter;

3. a meter clamping device;

4. a temperature transmitter;

5. a pressure transmitter;

6. a water storage vessel; 61. an electronic scale; 62. a drain pipe; 621. a pneumatic switch; 63. and (5) fixing the escalator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment provides a water meter intermittent flow error detection device, which is mainly used for solving the problem of error detection when a water meter works in unstable water flow of intermittent flow.

In the process of detecting the discontinuous flow errors of the water meters, a plurality of water meters are required to be connected in series, external water is pumped into the detection device through a water pump arranged at the front end of the detection device, and water flows through the water meters to achieve the purposes of metering the water flow and obtaining readings.

Referring to fig. 1, 2 and 5, in the discontinuous flow error detection process of the water meter, the process needs to be performed in a circulating and reciprocating manner, since the process takes a long time, detection data cannot be continuously collected by a manual observation mode, and meanwhile, the detection efficiency is greatly reduced, in order to solve the above problems, in the embodiment, the discontinuous flow error detection device of the water meter comprises an installation rack 1 and a water delivery pipe section 21 arranged on the installation rack 1 and used for connecting a plurality of water meters 2, one end of the water delivery pipe section 21 is used for water inlet, the other end of the water delivery pipe section 21 is used for connecting a detection pipe section 231, the detection pipe section 231 comprises a water outlet pipe section 22 and a water storage container 6 arranged on the lower side of the water outlet pipe section 22, an electronic scale 61 for weighing the mass of the water storage container 6 is arranged on the lower side of the water storage container 6, the water outlet section of the water outlet pipe section 22 is arranged above the water storage container 6, a discontinuous valve 23 for controlling the flow of the detection pipe section 231 is arranged on the water inlet section 22, and the detection pipe section 231 further comprises an electromagnetic flow meter 24 arranged on the water outlet pipe section 22 for metering the flow of the water flow; an external water pump pumps water into the water conveying pipe section 21, so that the water passes through the water meter 2 connected in series on the water conveying pipe section 21, the water flows into the detection pipe section 231 in sequence, whether the water in the whole detection pipe section 231 flows can be controlled through the intermittent valve 23 arranged on the water inlet section of the water outlet pipe section 22, the water flows in the detection pipe section 231 also passes through the electromagnetic flow meter 24 to monitor and indicate the flow of the water, the water flowing out of the detection pipe section 231 enters the water storage container 6, the water in the water storage container 6 is accumulated more and more through continuous detection, when the reading of the electronic scale 61 reaches a set value, the whole detection process is suspended, the water in the water storage container 6 is discharged, after the water is discharged, the detection is continued, the reciprocating circulation is carried out until the number of the circulation reaches the set value, and at this time, each reading is recorded and calculated.

It is worth noting that the above individual readings are specific: the initial reading and the ending reading of the water meter 2, the initial reading and the ending reading of the electronic scale 61, the detection cycle times, the water consumption of the test and the drainage times of the water storage container 6 can be calculated to obtain the error flow test of the water meter 2.

It should be noted that the water inlet section and the water outlet section of the middle water outlet pipe section 22 respectively represent: the water inlet section of the water outlet pipe section 22 is connected with the water delivery pipe section 21, the water outlet section of the water outlet pipe section 22 is far away from one side of the water delivery pipe section 21, and meanwhile, the water outlet section of the water outlet pipe section 22 is positioned above the water storage container 6.

In addition, because the water in each pipe section is pumped and conveyed by the front-end water pump, in the water outlet section of the water outlet pipe section 22, in the process of water outflow, the water is prevented from splashing due to overlarge impact force, and meanwhile, in order to ensure that the detection result of the whole detection process is more accurate, in the embodiment, the water outlet section of the water outlet pipe section 22 is arranged in a gooseneck shape; the gooseneck-shaped water outlet section of the water outlet pipe section 22 enables water to form a high liquid level under the condition of no flowing, and further achieves the purpose that the liquid level states of the initial detection and the final detection are consistent.

It should be noted that the above-mentioned intermittent valve 23 can control the on-off of a water flow in the whole pipe section, and can cooperate with the whole detection device to perform a circular detection.

In addition, referring to fig. 1 to 5, the electromagnetic flowmeter 24 is disposed on the detection pipe section 231 for monitoring and indicating the flow rate of passing water, and storing and uploading the measured data in real time; meanwhile, in the embodiment, the middle section of the detection pipe section 231 is provided with two channels, and the two channels are respectively provided with the electromagnetic flow meter 24, so that the purpose of shunting according to the size of the detection flow can be achieved, and the accuracy of water flow measurement can be improved.

Referring to fig. 1 and 2, before the water meter 2 is tested, the water meter 2 needs to be connected in series to the water delivery pipe section 21, in order to ensure that the water meter 2 can be conveniently and quickly replaced and installed between the water delivery pipe sections 21 and at the same time, facilitate the connection between the water delivery pipe section 21 and the test pipe section 231, in this embodiment, a meter clamping device 3 for pushing the water delivery pipe section 21 to be connected with the test pipe section 231 is arranged on a section of the water delivery pipe section 21 away from the water storage container 6; when the water meters 2 are not connected in series on the water delivery pipe section 21, the water delivery pipe section 21 and the detection pipe section 231 are not connected, and after the water meters 2 are arranged in series on the water delivery pipe section 21, the meter clamping device 3 starts to push the water delivery pipe section 21 and the detection pipe section 231 to be connected, and at this moment, the whole detection device can be normally powered on for detection test.

In the detection test process, in order to ensure that the detection result is more accurate, the top surface of the mounting rack 1 is concave inwards to form a water storage tank 11, a plurality of water meters 2 and water delivery pipe sections 21 are positioned above the water storage tank 11, and the lower side of the water storage tank 11 is provided with a dredging pipe 111 for draining water; the drain pipe 111 allows the accumulated water on the installation stand 1 to flow out.

Meanwhile, the whole process of water drainage in the water storage container 6 is controlled by a program, a drain pipe 62 is arranged on one side of the water storage container 6, and a pneumatic switch 621 used for opening and closing the drain pipe 62 is arranged on the drain pipe 62; the drain pipe 62 can drain or accumulate the water in the water storage container 6 by controlling the on/off of the pneumatic switch 621.

It should be noted that, various valves are disposed on the water delivery pipe section 21 and the detection pipe section 231 to ensure that the whole detection process can be effectively and automatically controlled.

Referring to fig. 1, since the volume of the detection device at a part of the water storage container 6 is large, in order to meet the subsequent maintenance or observe the water storage container 6, a fixed escalator 63 is arranged at one side of the water storage container 6; can reach through fixed staircase 63 and make the people climb through fixed staircase 63, and then reach the purpose of adjusting or maintaining water storage container 6.

Meanwhile, the water delivery pipe section 21 and the detection pipe section 231 are respectively provided with a temperature transmitter 4 and a pressure transmitter 5 which are used for ensuring that the temperature and pressure parameters of the water in the whole detection process are monitored in real time, and converting the mass of the water into volume according to the temperature measurement result.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. Water gauge continuous flow error detection device, including installation rack (1) and locate be used for connecting the water delivery pipeline section (21) of a plurality of water gauges (2) on installation rack (1), the one end of water delivery pipeline section (21) is used for intaking, and the other end is used for connecting detection pipeline section (231), a serial communication port, detection pipeline section (231) are including going out water pipeline section (22) and locating go out water storage container (6) of water pipeline section (22) downside, the downside of water storage container (6) is equipped with electronic scale (61) that are used for weighing the retaining quality in water storage container (6), the play water pipeline section of play water pipeline section (22) is in the top of water storage container (6), be equipped with intermittent valve (23) that are used for controlling detection pipeline section (231) rivers to flow on the section of intaking of play water pipeline section (22), detection pipeline section (231) is still including locating the electromagnetic flowmeter (24) that are used for monitoring the rivers flow on play water pipeline section (22).

2. A water meter intermittent flow error detection device as claimed in claim 1, wherein the outlet section of the outlet pipe section (22) is gooseneck shaped.

3. A water meter discontinuous flow error sensing device as claimed in claim 1, characterised in that a meter clamping device (3) for pushing the water delivery pipe section (21) to connect with the sensing pipe section (231) is provided on a section of the water delivery pipe section (21) remote from the reservoir (6).

4. A water meter discontinuous flow error detection device as claimed in claim 1, wherein a drain pipe (62) is provided at one side of the reservoir (6), and a pneumatic switch (621) for opening and closing the drain pipe (62) is provided on the drain pipe (62).

5. A water meter discontinuous flow error detecting device according to claim 1, characterized in that the top surface of the mounting rack (1) is recessed to form a reservoir (11), a plurality of water meters (2) and water delivery pipe sections (21) are located above the reservoir (11), and a dredging pipe (111) for draining water is arranged on the lower side of the reservoir (11).

6. A water meter intermittent flow error detection device as claimed in claim 1, wherein a fixed staircase (63) is provided on one side of the reservoir (6).