CN112484915A - Water meter detection pressurization system and method - Google Patents
Water meter detection pressurization system and method Download PDFInfo
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- CN112484915A CN112484915A CN202011294812.3A CN202011294812A CN112484915A CN 112484915 A CN112484915 A CN 112484915A CN 202011294812 A CN202011294812 A CN 202011294812A CN 112484915 A CN112484915 A CN 112484915A
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004891 communication Methods 0.000 claims abstract description 11
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- 229910001369 Brass Inorganic materials 0.000 description 4
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- -1 heating power Substances 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a water meter detection pressurization system and method, which comprises a pressurization cylinder, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve which are serially communicated through a pipeline in sequence, wherein the pressurization cylinder comprises a first cylinder body and a second cylinder body which are communicated, the inner diameter of the second cylinder body is smaller than that of the first cylinder body, and a pressure detection element is arranged on a communication pipeline between a water outlet port of the second cylinder body and a water inlet port of a water meter to be detected; a pipeline between the first electromagnetic valve and the second electromagnetic valve is communicated with a water drainage port, a pipeline between the second electromagnetic valve and the third electromagnetic valve is communicated with a pressurization port, a pipeline between the third electromagnetic valve and the fourth electromagnetic valve is communicated with a system water inlet port, and a pipeline between the first electromagnetic valve and the fourth electromagnetic valve is communicated with a pressure relief port; this is disclosed and has realized better pressure boost and pressurize effect through the cooperation of each solenoid valve and unique booster pump design, need not extra hydraulic system or electric power system, has improved the degree of accuracy that the water gauge detected.
Description
Technical Field
The disclosure relates to the technical field of water meter monitoring, in particular to a water meter detection pressurization system and method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The water meter is widely used in the industries of tap water, heating power, chemical industry and the like, and enterprises or metering departments producing the water meter need to carry out performance verification on indicating value errors of the water meters according to regulations formulated by relevant departments.
The inventor of the present disclosure finds that, in the existing water meter detection process, an additionally configured hydraulic booster pump or electric booster pump is mostly adopted to achieve the boosting effect, the pressure of water in a pipeline is not effectively utilized, and the cost is high; the pressurization and pressure maintaining effects of a pressurization system in the existing water meter detection are poor, and more accurate detection of the water meter cannot be realized.
Disclosure of Invention
In order to solve the defects of the prior art, the water meter detection pressurization system and method provided by the disclosure utilize water circulating in a pipeline, realize better pressurization and pressure maintaining effects through the matching of each electromagnetic valve and the design of a unique pressurization pump, do not need an additional hydraulic system or an electric pressurization system, improve the accuracy of water meter detection, and save the cost.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
the first aspect of the present disclosure provides a water meter detection pressurization system.
A water meter detection pressurization system comprises a pressurization cylinder, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve which are serially communicated in sequence through a pipeline, wherein the pressurization cylinder comprises a first cylinder body and a second cylinder body which are communicated, the inner diameter of the second cylinder body is smaller than that of the first cylinder body, and a pressure detection element is arranged on a communication pipeline between a water outlet port of the second cylinder body and a water inlet port of a water meter to be detected;
a pipeline between the first electromagnetic valve and the second electromagnetic valve is communicated with a water drainage port, a pipeline between the second electromagnetic valve and the third electromagnetic valve is communicated with a pressurization port, a pipeline between the third electromagnetic valve and the fourth electromagnetic valve is communicated with a system water inlet port, and a pipeline between the first electromagnetic valve and the fourth electromagnetic valve is communicated with a pressure relief port.
As possible realization modes, a first piston is arranged in the first cylinder body, a second piston is arranged in the second cylinder body, and the first piston is connected with the second piston through a connecting rod;
the first cylinder body is divided into a first cavity and a second cavity by the first piston, the pressurization port is arranged on the outer wall of the first cavity, the pressure relief port is arranged on the outer wall of the second cavity, and the second cavity is communicated with the second cylinder body.
As some possible realization modes, a pressure maintaining pneumatic valve and a needle valve are arranged on a pipeline between the water outlet port of the second cylinder body and the pressure detection element.
As some possible implementation manners, a first ball valve is arranged on a communication pipeline of the pipeline between the water inlet port of the system and the third electromagnetic valve and the fourth electromagnetic valve.
As some possible realization modes, a second ball valve and a water inlet pneumatic valve are arranged on a pipeline between the water inlet port of the system and the water meter to be detected.
As some possible implementations, the first solenoid valve and the third solenoid valve are connected in parallel to the first control circuit, and the second solenoid valve and the fourth solenoid valve are connected in parallel to the second control circuit.
As some possible implementation manners, the three-position four-way valve further comprises a first port, a second port, a third port and a fourth port, wherein the first port is communicated with the system water inlet port through a pipeline, the second port is communicated with the water drainage port through a pipeline, the third port is communicated with the pressure relief port, and the fourth port is communicated with the pressure increasing port.
The second aspect of the disclosure provides a water meter detection pressurization method.
A water meter detection pressurization method utilizes the pressurization system of the first aspect of the disclosure, and the pressurization process comprises the following steps:
the water inlet pneumatic valve is closed, the first electromagnetic valve and the third electromagnetic valve are opened simultaneously, water at the water inlet enters the pressurization port through the third electromagnetic valve, and water is discharged to the water discharge port through the first electromagnetic valve at the pressure relief port;
under the action of water pressure, the first piston in the first cylinder body drives the second piston in the second cylinder body to move so as to compress water in the pipeline to realize pressurization.
As some possible implementations, the pressure holding process includes the following steps:
after the pressure detection element detects that the pressure of the water inside the water meter reaches the preset pressure, the first electromagnetic valve and the third electromagnetic valve are closed to realize pressure maintaining, and the pneumatic valve is closed to enhance the pressure maintaining.
As a further limitation, the pressure relief process comprises the steps of:
the water inlet pneumatic valve is opened, after the pressure maintaining time reaches the set time, the second electromagnetic valve and the fourth electromagnetic valve are simultaneously opened, water flow enters the pressure relief port, and the pressurization port drains water to the water drainage port through the second electromagnetic valve;
under the action of water pressure, the first piston drives the second piston to move to release pressure of water in the pipeline, so that pressure relief is realized, and meanwhile, the large piston of the pressure cylinder returns to an initial state to prepare for the next round of automatic pressure boosting process.
A third aspect of the present disclosure provides a method for detecting and pressurizing a water meter.
A water meter detection pressurization method utilizes the pressurization system of the first aspect of the disclosure, and the pressurization process comprises the following steps:
all the electromagnetic valves are closed;
the inlet pneumatic valve is closed, the handle of the three-position four-way hand-operated valve is screwed to the bottom right, and water at the water inlet flows in from the first port of the three-position four-way hand-operated valve and flows out from the fourth port and then enters the pressurization port;
the pressure relief port discharges water outwards through a third port and a second port of the three-position four-way hand-operated valve, and a large piston in the pressure cylinder drives a small piston to move forwards under the action of water pressure so as to compress water in the pipeline to realize pressurization.
As some possible implementations, the pressure holding process is: after the pressure detection element detects that the pressure of water in the water meter reaches a preset pressure, the handle of the three-position four-way hand-operated rotary valve is moved to a middle position, and a third port and a fourth port of the three-position four-way hand-operated rotary valve are in a closed state, so that pressure maintaining is realized;
the pressure relief process is as follows: closing the inlet pneumatic valve;
after the pressure maintaining time reaches a certain time, the handle of the three-position four-way hand-operated valve is screwed to the bottom to the left, water at the water inlet flows in from the first port of the three-position four-way hand-operated valve and flows out from the third port, and water enters from the pressure relief port;
water in the first cylinder body flows through the fourth port and the second port of the three-position four-way hand-operated valve from the pressurization port to be drained outwards, and the first piston drives the second piston to move under the action of water pressure to reduce pressure of the water in the pipeline to achieve pressure relief.
Compared with the prior art, the beneficial effect of this disclosure is:
1. according to the pressurization system and the method, water circulating in the pipeline is utilized, better pressurization and pressure maintaining effects are achieved through the cooperation of the electromagnetic valves and the unique design of the pressurization pump, an additional hydraulic system or an additional electric power system is not needed, and the accuracy of water meter detection is improved.
2. According to the pressurization system and the pressurization method, the inner diameter of the first cylinder body is larger than that of the second cylinder body, and by means of water pressure, large water pressure can be generated quickly, and the pressurization effect is greatly improved.
3. According to the pressurization system and the pressurization method, the electromagnetic valve is opened and closed, and the pressure detection element is combined, so that the real-time detection of the water pressure in the pipeline is realized, the pressure maintaining effect is improved, and the continuous stability of the water meter detection is further improved.
4. According to the supercharging system and the supercharging method, automatic and manual switching can be achieved through the electromagnetic valve and the three-position four-way valve, and the application range of the supercharging system is widened.
Advantages of additional aspects of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
Fig. 1 is a schematic structural diagram of a water meter detection pressurization system provided in embodiment 1 of the present disclosure.
1-a water meter to be detected; 2-detecting a water supply pipe of the platform; 3-a water inlet port; 4-a drain port; 5-high pressure water inlet port; 6-water inlet pneumatic valve; 7-DN40 brass ball valve; 8-a first solenoid valve; 9-a second solenoid valve; 10-a third solenoid valve; 11-a fourth solenoid valve; 12-DN8 brass ball valve; 13-a first cylinder; 14-a second cylinder; 15-a boost port; 16-a pressure relief port; 17-a first piston; 18-a second piston; 19-a piston rod; 20-pressure maintaining pneumatic valves; 21-needle type valve; 22-a pressure sensor; 23-a three-position four-way hand-operated valve; 24-a first port; 25-a second port; 26-a third port; 27-a fourth port; 28-second cylinder outlet port.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Example 1:
as shown in fig. 1, an embodiment 1 of the present disclosure provides a water meter detection pressurization system, which adopts a manual pressurization mode, and includes a pressurization cylinder and a three-position four-way hand valve 23, where the three-position four-way hand valve 23 includes a first port 24, a second port 25, a third port 26, and a fourth port 27, the first port is communicated with a system water inlet port 3 through a pipeline, the second port is communicated with a water discharge port through a pipeline, the third port is communicated with a pressure discharge port, and the fourth port is communicated with a pressurization port.
The pressure cylinder comprises a first cylinder body 13 and a second cylinder body 14 which are communicated, the inner diameter of the second cylinder body 14 is smaller than that of the first cylinder body 13, and a pressure sensor 22 is arranged on a communication pipeline between a water outlet port of the second cylinder body 14 and a water inlet port (a high-pressure water inlet port 5) of the water meter 1 to be detected;
a first piston 17 is arranged in the first cylinder, a second piston 18 is arranged in the second cylinder, and the first piston and the second piston are connected through a piston connecting rod 19;
the first cylinder body is divided into a first cavity and a second cavity by the first piston, the pressurization port is arranged on the outer wall of the first cavity, the pressure relief port is arranged on the outer wall of the second cavity, and the second cavity is communicated with the second cylinder body.
A pressure maintaining pneumatic valve 20 and a needle valve 21 are provided on a pipe between the water outlet port 28 of the second cylinder and the pressure sensor 22.
A DN8 brass ball valve 12 (first ball valve) is arranged on a communication pipeline of the pipeline between the system water inlet port 3 and the third electromagnetic valve and the fourth electromagnetic valve.
A pipeline between the water inlet port 3 of the system and the water inlet port (high-pressure water inlet port 5) of the water meter to be detected is provided with a DN40 brass ball valve 7 (second ball valve) and a water inlet pneumatic valve 6.
The supercharging process comprises the following steps:
all the electromagnetic valves are closed;
the water inlet pneumatic valve 6 is closed, the handle of the three-position four-way hand-operated valve is screwed to the bottom right, and water at the water inlet flows in from the first port of the three-position four-way hand-operated valve and flows out from the fourth port and then enters the pressurization port;
the pressure relief port discharges water outwards through a third port and a second port of the three-position four-way hand-operated valve, and a large piston in the pressure cylinder drives a small piston to move forwards under the action of water pressure so as to compress water in the pipeline to realize pressurization.
The pressure maintaining process comprises the following steps: after the pressure detection element detects that the pressure of water in the water meter reaches a preset pressure, the handle of the three-position four-way hand-operated rotary valve is moved to a middle position, and a third port and a fourth port of the three-position four-way hand-operated rotary valve are in a closed state, so that pressure maintaining is realized;
the pressure relief process is as follows:
the inlet pneumatic valve 6 is closed;
after the pressure maintaining time reaches a certain time, the handle of the three-position four-way hand-operated valve is screwed to the bottom to the left, water at the water inlet flows in from the first port of the three-position four-way hand-operated valve and flows out from the third port, and water enters from the pressure relief port;
water in the first cylinder body flows through the fourth port and the second port of the three-position four-way hand-operated valve from the pressurization port to be drained outwards, and the first piston drives the second piston to move under the action of water pressure to reduce pressure of the water in the pipeline to achieve pressure relief.
Example 2:
as shown in fig. 1, an embodiment 2 of the present disclosure provides a water meter detection pressurization system, which adopts an automatic pressurization mode, and includes various structures in embodiment 1, and further includes a first electromagnetic valve 8, a second electromagnetic valve 9, a third electromagnetic valve 10, and a fourth electromagnetic valve 11, which are serially connected through a pipeline in sequence;
the pipeline between the first electromagnetic valve and the second electromagnetic valve is communicated with the water drainage port 4, the pipeline between the second electromagnetic valve and the third electromagnetic valve is communicated with the pressurization port 15, the pipeline between the third electromagnetic valve and the fourth electromagnetic valve is communicated with the system water inlet port 3, and the pipeline between the first electromagnetic valve and the fourth electromagnetic valve is communicated with the pressure relief port 16.
The first solenoid valve and the third solenoid valve are connected in parallel to the first control circuit, and the second solenoid valve and the fourth solenoid valve are connected in parallel to the second control circuit.
The handle of the three-position four-way hand-operated valve is ensured to be in the middle position.
The supercharging method using the supercharging system comprises the following steps:
the supercharging process comprises the following steps:
the water inlet pneumatic valve 6 is closed, the first electromagnetic valve and the third electromagnetic valve are opened simultaneously, water at a water inlet enters from a pressurization port through the third electromagnetic valve, and water is discharged from a pressure relief port to a water discharge port through the first electromagnetic valve;
under the action of water pressure, the first piston in the first cylinder body drives the second piston in the second cylinder body to move so as to compress water in the pipeline to realize pressurization.
The pressure maintaining process comprises the following steps:
after the pressure detection element detects that the pressure of water in the water meter reaches the preset pressure, the first electromagnetic valve and the third electromagnetic valve are closed to realize pressure maintaining, and the pressure maintaining pneumatic valve 20 is also closed at the same time to enhance the pressure maintaining, so that the safety accident caused by continuous pressure rise due to cylinder body or pipeline faults is prevented;
the pressure relief process comprises the following steps:
the water inlet pneumatic valve 6 is opened, after the pressure maintaining time reaches the set time, the second electromagnetic valve and the fourth electromagnetic valve are simultaneously opened, water flow enters from the pressure relief port, and the water is discharged from the pressurization port to the water discharge port 4 through the second electromagnetic valve;
under the action of water pressure, the first piston drives the second piston to move to release pressure of water in the pipeline, so that pressure relief is realized, and meanwhile, the large piston of the pressure cylinder returns to an initial state to prepare for the next round of automatic pressure boosting process.
The structure provided by the embodiment can realize manual and automatic switching, and the application range of the pressurization system is expanded.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. A water meter detection pressurization system is characterized by comprising a pressurization cylinder, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve which are serially communicated in sequence through a pipeline, wherein the pressurization cylinder comprises a first cylinder body and a second cylinder body which are communicated, the inner diameter of the second cylinder body is smaller than that of the first cylinder body, and a pressure detection element is arranged on a communication pipeline between a water discharge port of the second cylinder body and a water inlet port of a water meter to be detected;
a pipeline between the first electromagnetic valve and the second electromagnetic valve is communicated with a water drainage port, a pipeline between the second electromagnetic valve and the third electromagnetic valve is communicated with a pressurization port, a pipeline between the third electromagnetic valve and the fourth electromagnetic valve is communicated with a system water inlet port, and a pipeline between the first electromagnetic valve and the fourth electromagnetic valve is communicated with a pressure relief port.
2. The water meter detection pressurization system of claim 1, wherein a first piston is disposed in the first cylinder, a second piston is disposed in the second cylinder, and the first piston and the second piston are connected by a connecting rod;
the first cylinder body is divided into a first cavity and a second cavity by the first piston, the pressurization port is arranged on the outer wall of the first cavity, the pressure relief port is arranged on the outer wall of the second cavity, and the second cavity is communicated with the second cylinder body.
3. The water meter detection pressurization system of claim 1, wherein a pressure maintaining pneumatic valve and a needle valve are provided on a pipeline between the water outlet port of the second cylinder and the pressure detection element;
or,
and a first ball valve is arranged on a communication pipeline of a pipeline between the water inlet port of the system and the third electromagnetic valve and the fourth electromagnetic valve.
4. The water meter detection pressurization system of claim 1, wherein a second ball valve and a water inlet pneumatic valve are provided on a pipe between the system water inlet port and the water meter to be detected;
or,
the first solenoid valve and the third solenoid valve are connected in parallel to the first control circuit, and the second solenoid valve and the fourth solenoid valve are connected in parallel to the second control circuit.
5. The water meter detection pressurization system of claim 1, further comprising a three-position, four-way valve including a first port, a second port, a third port, and a fourth port, the first port being in communication with a system water inlet port via a pipeline, the second port being in communication with a drain port via a pipeline, the third port being in communication with a pressure relief port, and the fourth port being in communication with a pressurization port.
6. A water meter detection pressurization method, characterized in that, by using the pressurization system of any one of claims 1 to 4, the pressurization process comprises the following steps:
the water inlet pneumatic valve is closed, the first electromagnetic valve and the third electromagnetic valve are opened simultaneously, water at the water inlet enters the pressurization port through the third electromagnetic valve, and water is discharged to the water discharge port through the first electromagnetic valve at the pressure relief port;
under the action of water pressure, the first piston in the first cylinder body drives the second piston in the second cylinder body to move so as to compress water in the pipeline to realize pressurization.
7. The water meter detection pressurization method of claim 6, wherein the pressure maintaining process comprises the steps of:
after the pressure detection element detects that the pressure of the water inside the water meter reaches the preset pressure, the first electromagnetic valve and the third electromagnetic valve are closed to realize pressure maintaining, and the pneumatic valve is closed to enhance the pressure maintaining.
8. The water meter detection pressurization method of claim 7, wherein the pressure relief process comprises the steps of:
the water inlet pneumatic valve is opened, after the pressure maintaining time reaches the set time, the second electromagnetic valve and the fourth electromagnetic valve are simultaneously opened, water flow enters the pressure relief port, and the pressurization port drains water to the water drainage port through the second electromagnetic valve;
under the action of water pressure, the first piston drives the second piston to move to release pressure of water in the pipeline, so that pressure relief is realized, and meanwhile, the large piston of the pressure cylinder returns to an initial state to prepare for the next round of automatic pressure boosting process.
9. A water meter detection pressurization method, characterized in that, by using the pressurization system of claim 5, the pressurization process comprises the following steps:
all the electromagnetic valves are closed;
the inlet pneumatic valve is closed, the handle of the three-position four-way hand-operated valve is screwed to the bottom right, and water at the water inlet flows in from the first port of the three-position four-way hand-operated valve and flows out from the fourth port and then enters the pressurization port;
the pressure relief port discharges water outwards through a third port and a second port of the three-position four-way hand-operated valve, and a large piston in the pressure cylinder drives a small piston to move forwards under the action of water pressure so as to compress water in the pipeline to realize pressurization.
10. The water meter detection pressurization method of claim 9, wherein the pressure maintaining process is as follows: after the pressure detection element detects that the pressure of water in the water meter reaches a preset pressure, the handle of the three-position four-way hand-operated rotary valve is moved to a middle position, and a third port and a fourth port of the three-position four-way hand-operated rotary valve are in a closed state, so that pressure maintaining is realized;
the pressure relief process is as follows: closing the inlet pneumatic valve;
after the pressure maintaining time reaches a certain time, the handle of the three-position four-way hand-operated valve is screwed to the bottom to the left, water at the water inlet flows in from the first port of the three-position four-way hand-operated valve and flows out from the third port, and water enters from the pressure relief port;
water in the first cylinder body flows through the fourth port and the second port of the three-position four-way hand-operated valve from the pressurization port to be drained outwards, and the first piston drives the second piston to move under the action of water pressure to reduce pressure of the water in the pipeline to achieve pressure relief.
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| CN202011294812.3A CN112484915B (en) | 2020-11-18 | 2020-11-18 | Water meter detection pressurization system and method |
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