CN219104128U - Water hammer analogue means - Google Patents

Water hammer analogue means Download PDF

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Publication number
CN219104128U
CN219104128U CN202320039548.1U CN202320039548U CN219104128U CN 219104128 U CN219104128 U CN 219104128U CN 202320039548 U CN202320039548 U CN 202320039548U CN 219104128 U CN219104128 U CN 219104128U
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China
Prior art keywords
water
piston
inner cavity
device body
water hammer
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CN202320039548.1U
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Chinese (zh)
Inventor
方维豪
刘凯
陶哲楠
钱军
杨亚云
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Ningbo Water Meter Group Co Ltd
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Ningbo Water Meter Group Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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Abstract

The utility model discloses a water hammer simulation device, which comprises: the device comprises a device body, a water meter and a control device, wherein the device body is provided with an inner cavity, the inner cavity is provided with an opening, and the inner cavity is used for accommodating tap water and water meter parts; a piston extending from the opening into the inner cavity, the piston being in movable engagement with the inner cavity; the water pressure sensor is arranged on the device body, and the sensing end of the water pressure sensor stretches into the inner cavity; and an action part for impacting the acting force on the piston. The utility model can realize the water hammer impact detection of the parts of the water meter.

Description

Water hammer analogue means
Technical Field
The utility model relates to the technical field of water meter detection, in particular to a water hammer simulation device.
Background
The water meter is used as an important metering device for water consumption, and the metering accuracy, the measuring range, the use reliability, the service life, the function, the manufacturing cost and the like of the water meter relate to metering of water and settlement of water cost, and control of the use value in aspects of water consumption, water conservation, water consumption management and the like. The parts (such as transparent wheel box) inside the water meter are particularly important for the reliability design that the parts are subjected to water pressure fluctuation, especially the water hammer and are prevented from being damaged.
The current experimental method for detecting that the internal parts of the water meter bear water pressure fluctuation or bear water hammer mainly comprises the steps of clamping the water meter on a water meter calibrating device, opening the flow of the water meter calibrating device to the maximum, and then suddenly closing a water outlet valve so as to generate instantaneous pressure fluctuation in a clamping pipe section. However, the water hammer generated by the method cannot quantitatively obtain a specific value of the water hammer pressure fluctuation, and the water hammer pressure completely depends on the flow rate so that the reproducibility of the simulation is poor. In addition, the method has a certain destructiveness on the pipeline of the water meter calibrating device, and water leakage can be generated at the joint of the pipeline section of the equipment through multiple water hammer simulation. And how to manufacture a water hammer simulating device which is simple and convenient and has good reproducibility and quantitative record of the water hammer pressure becomes an important subject for the research and development of the device in the water meter industry.
Disclosure of Invention
The utility model provides a water hammer simulation device which can realize water hammer impact detection on parts of a water meter.
In order to solve the above technical problems, the present utility model provides a water hammer simulation device, including:
the device comprises a device body, a water meter and a control device, wherein the device body is provided with an inner cavity, the inner cavity is provided with an opening, and the inner cavity is used for accommodating tap water and water meter parts;
a piston extending from the opening into the inner cavity, the piston being in movable engagement with the inner cavity;
the water pressure sensor is arranged on the device body, and the sensing end of the water pressure sensor stretches into the inner cavity;
and an action part for impacting the acting force on the piston.
As a preferable aspect of the above-described technical solution, the water hammer simulating device further includes a guide mechanism extending vertically upward for guiding the acting member from the set height to the top of the piston.
As the preferable of the above technical scheme, the action component is a sphere, the guide mechanism at least comprises a plurality of guide rod bodies, the lower ends of the guide rod bodies are fixed on the device body, the guide rod bodies vertically extend upwards, the inner sides of the guide rod bodies are guide spaces, the piston is located in the guide spaces, and the guide spaces are matched with the sphere.
As a preferable mode of the technical scheme, the guide rod body is provided with scales.
Preferably, in the above technical solution, the device body is provided with an observation window.
As the optimization of the technical scheme, the device body is provided with the mounting plate at the position of the opening, the lower ends of the guide rod bodies are fixed on the mounting plate, the upper ends of the guide rod bodies are fixed on the positioning plate, and the positioning plate is provided with the sphere inlet.
As a preferable mode of the above technical solution, the number of the water pressure sensors is plural, and the plurality of the water pressure sensors are arranged at different positions of the device body.
As the optimization of the technical scheme, the device body is provided with a water inlet, and the piston is provided with an exhaust hole.
Preferably, the water inlet is arranged at the bottom of the device body.
As a preferable mode of the above technical solution, a boss is provided at a center position of a top of the piston, and the boss is configured to contact with the acting member.
The utility model provides a water hammer simulation device which comprises a device body, a piston, a water pressure sensor and an action part, wherein the device body is provided with an inner cavity, the inner cavity is provided with an opening, when the device is in work, a water meter part is placed in the inner cavity, tap water is introduced into the inner cavity, the piston is extended into the inner cavity from the opening, air in the inner cavity is discharged, then the action part is used for impacting acting force on the piston for a plurality of times, the piston impacts the tap water in the inner cavity, the process is to simulate the water hammer effect of tap water in a tap water pipe network, then the water pressure sensor senses the impact pressure condition of the tap water in each impact process, then the influence on the water meter part is judged through checking the state of the water meter part and the pressure value condition of the water pressure sensor after a plurality of times of impacts, and the impact detection on the water hammer impact of the water meter part is realized through a simulated water hammer experiment.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
Fig. 1 is a schematic perspective view showing a water hammer simulator according to the present embodiment;
fig. 2 is a schematic view showing a connection structure of the device body and the piston in the present embodiment;
fig. 3 is a schematic perspective view showing the structure of the device body in the present embodiment;
fig. 4 is a schematic perspective view showing another angle of the device body in the present embodiment;
fig. 5 shows a schematic perspective view of the piston in this embodiment;
FIG. 6 is a schematic view showing another perspective view of the piston in the present embodiment;
in the figure: 10. a device body; 20. a piston; 30. a water pressure sensor; 50. supporting feet; 60. a threaded plug; 70. a guide rod body; 80. an action member; 90. a positioning plate; 100. a guide mechanism; 101. a mounting base plate; 102. a mounting plate; 103. an observation window; 104. a water inlet; 105. a water inlet; 106. an inner cavity; 201. a boss; 202. an exhaust hole; 701. a guide space; 801. a hook; 901. a sphere inlet.
Detailed Description
In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions according to the embodiments of the present utility model will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, an embodiment of the present utility model provides a water hammer simulation device, including:
the device body 10 has an inner cavity 106, the inner cavity 106 having an opening, the inner cavity 106 for receiving tap water and water meter parts;
a piston 20 extending from the opening into the inner cavity 106, the piston 20 being in movable engagement with the inner cavity 106;
the water pressure sensor 30 is mounted on the device body 10, and the sensing end of the water pressure sensor 30 extends into the inner cavity 106;
and an action member 80 for striking the piston 20.
The water hammer simulation device provided in this embodiment includes a device body 10, a piston 20, a water pressure sensor 30 and an action component 80, where the device body 10 has an inner cavity 106, and the inner cavity 106 has an opening, when working, a water meter part is placed in the inner cavity 106, then tap water is introduced into the inner cavity 106, then the piston 20 extends into the inner cavity 106 from the opening, and air in the inner cavity 106 is discharged, then the action component 80 is used to apply multiple impact force on the piston 20, the piston 20 impacts on the tap water in the inner cavity 106, the process is to simulate the water hammer effect in the tap water pipe network, then the water pressure sensor 30 senses the impact pressure condition of the tap water during each impact, and then the influence on the water meter part is judged by checking the state of the water meter part and the pressure value condition of the water pressure sensor 30 after multiple impacts, and the impact detection of the water hammer on the water meter part is realized through the simulated water hammer experiment.
In a further implementation of the present embodiment, the water hammer simulation device further comprises a guiding mechanism 100, the guiding mechanism 100 extending vertically upwards, the guiding mechanism 100 being adapted to guide the acting member 80 from a set height to the top of the piston 20.
In this embodiment, the guide mechanism 100 guides the acting member 80 to the top of the piston 20, and the acting member 80 impacts the top of the piston 20, so as to improve the stability during impact and prevent the deviation during impact.
In a further implementation manner of this embodiment, the acting component 80 is a sphere, the guide mechanism 100 at least includes a plurality of guide rod bodies 70, the lower ends of the guide rod bodies 70 are fixed on the device body 10, the plurality of guide rod bodies 70 extend vertically upwards, the inner sides of the plurality of guide rod bodies 70 are guide spaces 701, the piston 20 is located in the guide spaces 701, and the guide spaces 701 are matched with the sphere.
The guide mechanism 100 in the present embodiment is realized by a guide space 701 surrounded by a plurality of guide rod bodies 70, which impacts the piston 20 located in the guide space 701 by setting a height sphere, which is not only simple in structure but also ensures the stability of impact.
In a further implementation of this embodiment, the guide rod body 70 is provided with graduations.
In this embodiment, graduations are provided on the guide rod 70 to enable the ball to impact the piston 20 at different heights.
In addition, in this embodiment, a hook 801 is provided on the sphere, the hook 801 is integrally formed with the sphere, and the sphere is a stainless steel sphere.
In a further implementation of this embodiment, the device body 10 is provided with a viewing window 103.
In this embodiment, the water meter component is observed through the observation window 103.
In a further implementation manner of this embodiment, a mounting plate 102 is disposed on the device body 10 and located at an opening, lower ends of the plurality of guide rods 70 are fixed on the mounting plate 102, upper ends of the plurality of guide rods 70 are fixed on the positioning plate 90, and a sphere inlet 901 is disposed on the positioning plate 90.
The positioning plate 90 in the present embodiment can realize the installation of the plurality of guide rod bodies 70 and can position the piston 20 in the guide space 701, and in addition, it is put into the guide space 701 from the ball inlet 901 when it is in operation.
In a further implementation of the present embodiment, the number of the water pressure sensors 30 is plural, and the plurality of water pressure sensors 30 are disposed at different positions of the apparatus body 10.
The plurality of water pressure sensors 30 in this embodiment are arranged at different positions of the device body 10, so as to collect water pressure data at different positions, thereby improving accuracy of simulation test and facilitating water pressure comparison at each position.
Specifically, the water pressure sensor 30 in the present embodiment is a standard high-frequency water pressure sensor.
In the present embodiment, the installation holes 105 corresponding to the number of the water pressure sensors 30 are provided in the device body 10, and the installation holes 105 are distributed in an annular array with the center of the inner cavity 106.
In a further implementation of this embodiment, the device body 10 is provided with a water inlet 104, and the piston 20 is provided with a vent 202.
The vent hole 202 provided in the piston 20 in this embodiment can facilitate the venting of the gas in the device body 10 when tap water is injected into the device body 10.
In a further implementation of this embodiment, the water inlet 104 is provided at the bottom of the device body 10.
In a further implementation of the present embodiment, a boss 201 is provided at a central position of the top of the piston 20, the boss 201 being for contact with the acting member 80.
The vent 202 in this embodiment is provided at the top of the piston 20, and the vent 202 extends to the top of the piston 20.
In the present embodiment, the bottom of the device body 10 is provided with a mounting plate 101, and the mounting plate 101 is provided with support legs 50, and the support legs 50 are detachably connected to the mounting plate 101.
In this embodiment, the piston 20 is pulled out of the inner cavity 106 during operation, the water meter part to be tested is placed in the inner cavity 106, then the piston 20 is installed in the inner cavity 106 and pressed into a certain depth, then the water inlet valve at the bottom of the device body 10 is opened, so that water flows into the inner cavity 106 from the bottom of the device body 10 until the air is completely discharged from the top of the piston 20, and the threaded plug 60 at the top of the air discharging hole 202 is screwed. When the ball is pulled up to the highest point, its free fall is allowed to strike the boss 201 on the piston 20, thereby simulating the water hammer effect. And the condition of the water meter component can be observed through the observation window 103 of the device body 10. A plurality of high-frequency water pressure sensors are arranged on the side surface of the inner cavity 106, and the water pressure fluctuation condition in the inner cavity 106 is recorded through the high-frequency water pressure sensors.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A water hammer simulator, comprising:
the device comprises a device body, a water meter and a control device, wherein the device body is provided with an inner cavity, the inner cavity is provided with an opening, and the inner cavity is used for accommodating tap water and water meter parts;
a piston extending from the opening into the inner cavity, the piston being in movable engagement with the inner cavity;
the water pressure sensor is arranged on the device body, and the sensing end of the water pressure sensor stretches into the inner cavity;
and an action part for impacting the acting force on the piston.
2. The water hammer simulation device of claim 1, further comprising a guide mechanism extending vertically upward for guiding an active component from a set height to a top of the piston.
3. The water hammer simulating assembly of claim 2, wherein the acting member is a sphere, the guiding mechanism comprises at least a plurality of guiding rods, the lower ends of the guiding rods are fixed on the assembly body, the guiding rods vertically extend upwards, guiding spaces are formed inside the guiding rods, the piston is located in the guiding spaces, and the guiding spaces are matched with the sphere.
4. A water hammer simulator according to claim 3, wherein the guide rod body is provided with graduations.
5. The water hammer simulation device according to claim 1, wherein a viewing window is provided on the device body.
6. A water hammer simulator according to claim 3, wherein a mounting plate is provided on the device body at the position of the opening, the lower ends of the plurality of guide rods are fixed on the mounting plate, the upper ends of the plurality of guide rods are fixed on a positioning plate, and a sphere inlet is provided on the positioning plate.
7. The water hammer simulation device of claim 1, wherein the number of the water pressure sensors is plural, and the plurality of the water pressure sensors are arranged at different positions of the device body.
8. The water hammer simulator of claim 1, wherein the body is provided with a water inlet and the piston is provided with a vent.
9. The water hammer simulation device of claim 8, wherein the water inlet is provided at a bottom of the device body.
10. A water hammer simulation device according to claim 1, wherein a boss is provided in a central position of the top of the piston, the boss being for contact with the action member.
CN202320039548.1U 2023-01-08 2023-01-08 Water hammer analogue means Active CN219104128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320039548.1U CN219104128U (en) 2023-01-08 2023-01-08 Water hammer analogue means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320039548.1U CN219104128U (en) 2023-01-08 2023-01-08 Water hammer analogue means

Publications (1)

Publication Number Publication Date
CN219104128U true CN219104128U (en) 2023-05-30

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ID=86430409

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320039548.1U Active CN219104128U (en) 2023-01-08 2023-01-08 Water hammer analogue means

Country Status (1)

Country Link
CN (1) CN219104128U (en)

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