CN214667154U

CN214667154U - Low-energy-consumption cold water meter durability test device

Info

Publication number: CN214667154U
Application number: CN202022524281.4U
Authority: CN
Inventors: 马小平; 马天; 马宁
Original assignee: Hangzhou Tnma Measure Technology Co ltd
Current assignee: Hangzhou Tnma Measure Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-11-09
Anticipated expiration: 2030-11-04

Abstract

The utility model belongs to the technical field of water meter detection devices, in particular to a low-energy consumption cold water meter durability test device, which comprises a three-way liquid commutator, an upstream pipe fitting, a water supply pump, a stop valve, a bypass pipe, a flow regulating valve, a shunt pipe, a shunt regulating valve, a water meter frame, a water tank, a temperature and pressure sensor, a computer body and a water outlet pipe; the upstream is communicated with the computer body through a pipe fitting at two sides of the water tank; the position from the water outlet of the water tank to the water outlet pipe is sequentially communicated with a water supply pump, a temperature pressure sensor, an upstream passing pipe fitting, a three-way liquid commutator, a stop valve and a flow regulating valve; the bypass pipe is communicated with the positions at the two ends of the stop valve; its obvious advantage does: the low energy consumption, intermittent flow and continuous flow tests can be conducted alternately and simultaneously.

Description

Low-energy-consumption cold water meter durability test device

Technical Field

The utility model belongs to the technical field of the water gauge detection device, specific low energy consumption cold water gauge durability test device that says so.

Background

The durability test device for the water meter is an indispensable test device for researching the metering performance of the water meter, in particular to the water meter with three specifications of a household cold water meter DN25/DN20/DN15, and the related water meter standards and the type evaluation outline are clearly specified and need to be subjected to the durability test. The durability test apparatus is generally required to have the following basic functions: the function of recording relevant parameters of the test device at least once every 24 h; the device pipeline test water flow does not cause cavitation or additional abrasion of other water meters in various forms; meeting the requirements of relevant technical specifications, such as that the relative change of the test flow does not exceed +/-10% (the flow can be checked by using a test water meter); the tolerance of the specified duration of each stage of the flow cycle is no more than + -10%, and the tolerance of the total duration of the test is no more than + -5%; the cycle number does not exceed 1% of the specified number; the actual volume tolerance of the discharge was ± 5% throughout the test period.

The durability test device for the low-energy-consumption cold water meter has the innovation point that the main pipeline of the test device is in a serial pipeline architecture except for meeting the requirements of related technical specifications, namely, a test water flow path adopts a serial and shunt connection mode (a test water flow path of a traditional device adopts a parallel connection mode); that is, the flow of the water supply pump of the test device of the utility model only needs to meet the specification of the maximum flow water meter, and the water supply flow of the traditional durability test device is the sum of the flow of the specification of the tested water meter; for example, the water meters with the three specifications of DN25/DN20/DN15 correspond to test flow rates of 7m3/h, 5m3/h and 3m 3/h; the traditional test device is provided with a water pump according to the flow of 15m3/h, but the device of the utility model is only provided with a water pump according to 7m 3/h; obviously, the larger the test flow, the larger the required water pump power; because the durability test has a single test (24h) time of 90 days, the electric energy consumption is not important; the durability test device of the utility model can simultaneously carry out the intermittent flow test and the continuous flow test with single specification or multiple specifications, or simultaneously carry out the intermittent and continuous mixed test (one specification water meter carries out the intermittent flow test, and the other specification water meter carries out the continuous flow test); the traditional flow detection device has the problems of high energy consumption and single detection process in the long-time use process.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, solve traditional flow detection device in long-time use, have the problem that the energy consumption is higher, the testing process is single, the utility model provides a low energy consumption cold water meter durability test device.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a low energy consumption cold water meter durability test device, which comprises a three-way liquid commutator, an upstream passing pipe fitting, a water supply pump, a stop valve, a bypass pipe, a flow regulating valve, a shunt pipe, a shunt regulating valve, a water meter frame, a water tank, a temperature pressure sensor, a computer body and a water outlet pipe; the upstream is communicated with the computer body through a pipe fitting at two sides of the water tank; the position from the water outlet of the water tank to the water outlet pipe is sequentially communicated with a water supply pump, a temperature pressure sensor, an upstream passing pipe fitting, a three-way liquid commutator, a stop valve and a flow regulating valve; the bypass pipe is communicated with the positions at the two ends of the stop valve; the bypass pipe is communicated with the upstream through a three-way liquid diverter at the position between the pipe fittings; the shunt pipe is communicated with a position between the upstream pipe and the water tank; the shunt regulating valve is arranged on the shunt pipe; the water meter frame is arranged at the bottom of the water outlet pipe and the pipe fitting in the upstream; the computer body is connected with the three-way liquid commutator, the water supply pump and the temperature and pressure sensor.

Preferably, a plurality of groups of stop valves are communicated with the upstream through a pipe fitting; the bypass pipes are arranged on two sides of each group of stop valves; the flow regulating valves are communicated on the upstream passing pipe fittings between each group of the bypass pipes; a group of shunt tubes and a shunt regulating valve are respectively arranged between the plurality of groups of bypass tubes; and a plurality of groups of flow regulating valves are arranged on the upstream passing pipe fittings.

The utility model has the advantages that:

the utility model provides a low energy consumption cold water gauge durability test device, it is showing the advantage and is: the low energy consumption, intermittent flow and continuous flow tests can be conducted alternately and simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of a water meter durability test device (two-way) according to the present invention;

FIG. 2 is a schematic structural view of the single-pass testing device of the present invention;

illustration of the drawings:

1. a three-way liquid diverter; 2. upstream through the pipe; 3. a water supply pump; 4. a stop valve; 5. a bypass pipe; 6. a flow regulating valve; 7. a shunt tube; 8. a shunt regulating valve; 9. a water meter stand; 10. a water tank; 11. a temperature pressure sensor; 12. a computer body; 13. and (5) discharging a water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1-2, the utility model provides a low energy consumption cold water meter durability test device, which comprises a three-way liquid commutator 1, an upstream pipe 2, a water supply pump 3, a stop valve 4, a bypass pipe 5, a flow regulating valve 6, a shunt pipe 7, a shunt regulating valve 8, a water meter frame 9, a water tank 10, a temperature and pressure sensor 11, a computer body 12 and a water outlet pipe 13; the upstream is communicated with the two sides of the water tank 10 through the pipe fitting 2 and the computer body 12; the position from the water outlet of the water tank 10 to the water outlet pipe 13 is sequentially communicated with a water supply pump 3, a temperature pressure sensor 11, an upstream passing pipe fitting 2, a three-way liquid commutator 1, a stop valve 4 and a flow regulating valve 6; the bypass pipe 5 is communicated with the positions at the two ends of the stop valve 4; the bypass pipe 5 is communicated with the upstream through a position between the pipe fittings 2 through the three-way liquid diverter 1; the shunt tube 7 communicates at a position upstream between the pipe 2 and the tank 10; the shunt regulating valve 8 is arranged on the shunt pipe 7; the water meter frame 9 is arranged at the bottom of the water outlet pipe 13 passing through the pipe fitting 2 at the upstream; the computer body 12 is connected with the three-way liquid commutator 1, the water supply pump 3 and the temperature and pressure sensor 11; a plurality of groups of stop valves 4 are communicated with the upstream passing pipe fitting 2; the bypass pipe 5 is arranged at two sides of each group of stop valves 4; said flow regulating valves 6 communicating upstream through the pipe 2 between each set of said bypass ducts 5; a group of shunt tubes 7 and a shunt regulating valve 8 are respectively arranged at the positions among the groups of bypass tubes 5; the flow regulating valve 6 is provided with a plurality of groups on the upstream passing pipe 2.

As an embodiment of the present invention, a plurality of groups of stop valves 4 are communicated with the upstream through a pipe 2; the bypass pipe 5 is arranged at two sides of each group of stop valves 4; said flow regulating valves 6 communicating upstream through the pipe 2 between each set of said bypass ducts 5; a group of shunt tubes 7 and a shunt regulating valve 8 are respectively arranged at the positions among the groups of bypass tubes 5; the flow regulating valve 6 is provided with a plurality of groups on the upstream passing pipe 2.

The utility model discloses in, two tee bend liquid commutators are stainless steel mechanical component, settle the position and do not have special requirement.

The utility model discloses in, the test pipeline generally is stainless steel standard pipe fitting, is the outsourcing spare.

The utility model discloses in, the water pump generally is pipeline formula clarified water pump, is the outsourcing spare.

The utility model discloses in, the water tank is the water tank of stainless steel material preparation (set up water filter in the water tank).

The utility model discloses in, the installation of water gauge under test can be pneumatic fixture, anchor clamps or the installation of pipe threaded connection that surges.

In the present invention, the computer system is a commonly used desktop computer or a laptop computer, and is a purchased part.

The utility model discloses in, the water table rack material under test can be stainless steel or aluminum alloy ex-trusions or the combination of both.

The utility model discloses in, hardware circuit and operating software system design by oneself.

The working principle is as follows: after the tested water meter is manually installed, the stop valve 4 is fully opened, the computer body 12 is opened, the stop valve 4 starts water supply at the moment, the first section of experiment flow is adjusted, then the middle section of experiment flow and the tail end of experiment flow are sequentially adjusted, namely, the flow adjusting valves 6 and the shunt pipes 7 are sequentially adjusted to be in line with the experiment flow; finally, the computer body 12 operates the software, and the system automatically starts the experiment and records the relevant parameters.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a low energy consumption cold water gauge durability test device which characterized in that: the device comprises a three-way liquid commutator (1), an upstream passing pipe fitting (2), a water supply pump (3), a stop valve (4), a bypass pipe (5), a flow regulating valve (6), a shunt pipe (7), a shunt regulating valve (8), a water meter frame (9), a water tank (10), a temperature pressure sensor (11), a computer body (12) and a water outlet pipe (13); the upstream is communicated with the two sides of the water tank (10) through a pipe fitting (2) and a computer body (12); the position from the water outlet of the water tank (10) to the water outlet pipe (13) is sequentially communicated with a water supply pump (3), a temperature pressure sensor (11), an upstream passing pipe fitting (2), a three-way liquid diverter (1), a stop valve (4) and a flow regulating valve (6); the bypass pipe (5) is communicated with the positions at the two ends of the stop valve (4); the bypass pipe (5) is communicated with the upstream through a three-way liquid diverter (1) at a position between the pipe fittings (2); the shunt pipe (7) is communicated with a position between the upstream pipe (2) and the water tank (10); the shunt regulating valve (8) is arranged on the shunt pipe (7); the water meter frame (9) is arranged at the bottom of the upstream through the pipe fitting (2) and the water outlet pipe (13); the computer body (12) is connected with the three-way liquid commutator (1), the water supply pump (3) and the temperature and pressure sensor (11).

2. The durability test device for the low-energy consumption cold water meter according to claim 1, characterized in that: the upstream is communicated with a plurality of groups of stop valves (4) through a pipe fitting (2).

3. The durability test device for the low-energy consumption cold water meter according to claim 2, characterized in that: the bypass pipe (5) is arranged on two sides of each group of the stop valves (4).

4. A low energy consumption cold water meter durability test apparatus as claimed in claim 3, wherein: the flow control valves (6) communicate upstream through the pipe (2) between the bypass pipes (5) of each set.

5. The durability test device for the low-energy consumption cold water meter according to claim 4, characterized in that: and a group of shunt tubes (7) and a shunt regulating valve (8) are respectively arranged at positions among the plurality of groups of bypass tubes (5).

6. The durability test device for the low-energy consumption cold water meter according to claim 5, characterized in that: and a plurality of groups of flow regulating valves (6) are arranged on the upstream through pipe fittings (2).