Swimming pool backwater silencer
By designing a swimming pool return silencer, the exhaust pipe sucks in air to destroy the negative siphon pressure, the problem of whistling noise at the overflow return vent in traditional swimming pool countercurrent circulating water treatment is solved, and the noise is effectively eliminated and the improvement of the tourist environment is achieved.
Patent Information
- Application Number
- CN202421705335.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-18
AI Technical Summary
In the traditional swimming pool countercurrent circulating water treatment solution, a large whistling noise will be generated when the water in the overflow tank is overflowing back to water, affecting the physical and mental health of tourists.
A swimming pool return silencer is designed, including a drain pipe and an exhaust pipe. The exhaust pipe is suspended in the drain pipe, and the pipe ports at both ends extend beyond the top and bottom pipe ports of the drain pipe. The air is sucked in through the exhaust pipe to destroy the negative siphon pressure, thereby eliminating noise.
It effectively eliminates the noise when the return water is overflowing in the swimming pool overflow tank, improves the physical and mental health environment of tourists, and has a simple structure and convenient installation. There is no need to change the original swimming pool return pipe fittings or carry out civil construction. It is suitable for built swimming pools.
Smart Images
Figure CN222976505U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technology of silencers, in particular to a return water silencer for the return water port of the overflow circulation of a swimming pool. Background Art
[0002] In the existing water treatment solutions for swimming pools, the countercurrent circulation method is usually adopted to circulate the pool water. Its basic principle is: all the circulating water in the pool is sent into the pool through the water supply ports arranged at the bottom of the pool, and then the return water ports arranged in the overflow trough on the outer side of the pool wall recover the overflow water and send it to the swimming pool water tank for water treatment, and then send it back into the pool for continued use.
[0003] However, such a traditional countercurrent circulation water treatment solution has a defect that when the return water port in the overflow trough returns water, a large whistling noise will be formed, which seriously affects the physical and mental health of tourists. Summary of the Utility Model
[0004] For this reason, the main purpose of the utility model is to provide a swimming pool return water silencer to solve the problem of drainage whistling at the overflow return water port of the swimming pool.
[0005] To achieve the above object, according to one aspect of the utility model, there is provided a swimming pool return water silencer, which includes: a drain pipe, an exhaust pipe, wherein a limiting part is provided on the outer wall of the pipe orifice of the drain pipe, a connecting part is provided on the side wall of the exhaust pipe, the exhaust pipe is connected to the drain pipe through the connecting part and is suspended in the drain pipe, and the pipe orifices at both ends of the exhaust pipe extend beyond the pipe orifices at the top and bottom of the drain pipe.
[0006] Preferably, the connecting part is tubular and is connected to the inner pipe wall of the drain pipe. One pipe orifice of the connecting part is connected to the exhaust pipe, and the other pipe orifice extends beyond the pipe orifice at the bottom of the drain pipe.
[0007] Preferably, the swimming pool return water silencer further includes: a bronchus, one pipe orifice of which is connected to the exhaust pipe, and the other pipe orifice extends beyond the pipe orifice at the bottom of the drain pipe.
[0008] Preferably, the exhaust pipe includes: a main air pipe, a main extension pipe, wherein the main air pipe is connected to the drain pipe through the connecting part, connecting parts are provided at the pipe orifices at both ends of the main air pipe and at one pipe orifice of the main extension pipe, and each main extension pipe is connected to the main air pipe through the connecting part so that the main extension pipe is connected to the main air pipe.
[0009] Preferably, the exhaust pipe includes: a main air pipe, a main extension pipe, and a bronchial tube. The main air pipe is connected to the drain pipe through a connector. One end of the bronchial tube is inserted into the main air pipe. Connection parts are provided at one end of the other end of the bronchial tube, at both ends of the main air pipe, and at one end of the main extension pipe. Each main extension pipe is connected to the main air pipe and the bronchial tube through the connection parts, so that each main extension pipe is respectively inserted into the main air pipe and the bronchial tube.
[0010] Preferably, the connector includes: a secondary air pipe and a secondary extension pipe. The secondary air pipe is connected to the inner wall of the drain pipe. One end of the secondary air pipe is inserted into the exhaust pipe. Connection parts are provided at one end of the other end of the secondary air pipe and at one end of the secondary extension pipe. The secondary extension pipe is connected to the secondary air pipe through the connection parts, so that the secondary extension pipe is inserted into the secondary air pipe.
[0011] Preferably, the mating structure of the connection part is any one of a threaded interface mating and a plug-in interface mating.
[0012] Preferably, the limiting part of the drain pipe is arranged in a ring around the top pipe orifice of the drain pipe, or is arranged at intervals in a convex shape around the top pipe orifice of the drain pipe.
[0013] Preferably, the exhaust pipe is suspended at the center of the circle inside the drain pipe to be coaxially arranged with the drain pipe.
[0014] Preferably, the pipe orifices of the connector and the drain pipe are arranged at intervals.
[0015] Through the pool return water silencer provided by the present invention, the siphon negative pressure generated at the return water pipe orifice during the overflow circulation return water is ingeniously destroyed by sucking air through the exhaust pipe of the silencer in terms of structure. Thus, the siphon suction pressure with negative pressure cannot be formed at the return water pipe orifice, thereby eliminating the noise during the overflow return water in the overflow trough of the swimming pool. In addition, the structure of this silencer is simple and the installation is convenient. There is no need to modify the original pool return water pipe fittings or carry out civil engineering construction, which is especially suitable for existing pools. Therefore, it has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:
[0017] Figure 1 is a schematic structural diagram of the first example of the pool return water silencer of the present invention;
[0018] Figure 2 is a perspective structural diagram of the first example of the pool return water silencer of the present invention;
[0019] Figure 3Schematic diagram of the half-section structure of the first example of the pool return water silencer of the present utility model;
[0020] Figure 4 Schematic diagram of the top-down perspective structure of the first example of the pool return water silencer of the present utility model;
[0021] Figure 5 Schematic diagram of the half-section structure of the first example of the pool return water silencer of the present utility model in the working state;
[0022] Figure 6 Perspective structure diagram of the second example of the pool return water silencer of the present utility model;
[0023] Figure 7 Schematic diagram of the half-section structure of the third example of the pool return water silencer of the present utility model
[0024] Figure 8 Schematic diagram of the top-down perspective structure of the fourth example of the pool return water silencer of the present utility model.
[0025] Explanation of reference numerals
[0026] Drain pipe 1, exhaust pipe 2, limiting part 3, connecting part 4, bronchus 5, connecting part 8, return water pipe 9, overflow tank 91, main air pipe 21, main extension pipe 22, auxiliary air pipe 41, auxiliary extension pipe 42. Detailed implementation manners
[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.
[0028] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts fall within the scope of protection of the present utility model.
[0029] It should be noted that: similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the products of the present utility model are habitually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. The terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.
[0031] In addition, the terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0032] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "arranged", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances and in combination with the prior art. In addition, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. And one or more of the components in the drawings can be necessary or unnecessary, and the relative positional relationship between the above-mentioned components in the drawings can be adjusted according to actual needs.
[0033] According to the inventor's observation, the reasons for the whistling noise generated when the overflow return water port in the swimming pool overflow trough 91 returns water are as follows.
[0034] Essentially, since the overflow return water port in the swimming pool overflow trough 91 is connected to the return water pipe 9, and then connected to the return water main pipe, and the return water branch pipe to the main pipe to the water tank are all sealed and leak-free connections, and there is a certain height, about a height difference of 5 meters, and the static pressure of water is generally 10 meters of water column, 0.1 Mpa. Then according to the water gravity formula: the basic flow formula of fluid under the action of gravity, for the case of free flow (without external pressure), the drainage gravity formula is:
[0035] Q = Cd * A * √(2gh);
[0036] Wherein:
[0037] Q: The amount of water passing through the pipeline per unit time;
[0038] Cd: Discharge coefficient, related to the pipeline shape and pipe wall roughness;
[0039] A: Cross-sectional area of the pipeline;
[0040] g: Acceleration due to gravity;
[0041] h: Height difference of the liquid from the inlet to the outlet.
[0042] According to the above drainage gravity formula, since the height from the overflow return port to the water tank determines the flow velocity pressure of the water, when the return water has a certain flow velocity pressure, a siphon phenomenon will be formed. Once the siphon phenomenon is formed, a negative pressure phenomenon will be formed in the area of the overflow return port. The flow velocity and negative pressure of the water form a vortex at the return port. Therefore, the air flow is affected by the siphon negative pressure of the water. While sucking in the water, it will generate the noise of the air flow. The size of this noise depends on the diameter and height of the return water pipe. Generally speaking, the higher the height, the greater the siphon pressure and the greater the formed noise.
[0043] Therefore, based on the above principle of noise formation, in order to eliminate the noise, the fundamental method is to destroy the formation of the siphon at the overflow return port. Once the overflow return port cannot generate negative pressure, no vortex can be formed and there will only be flowing water, thereby eliminating the noise of the overflow return water.
[0044] For this reason, as Figures 1 to 5 shown, the present utility model provides a swimming pool return water silencer, and its example includes: a drain pipe 1 and an exhaust pipe 2. Wherein, a limiting portion 3 is provided on the outer wall of the pipe orifice of the drain pipe 1, a connecting member 4 is provided on the side wall of the exhaust pipe 2, and the exhaust pipe 2 is connected to the drain pipe 1 through the connecting member 4 and is suspended at the center of the circle inside the drain pipe 1 to be arranged coaxially with the drain pipe 1. Both ends of the exhaust pipe 2 extend outside the top and bottom pipe orifices of the drain pipe 1.
[0045] Wherein as Figures 2 to 4 shown, for more flexible exhaust, in an optional example, the connecting member 4 is tubular, which is connected to the inner pipe wall of the drain pipe 1. One end orifice of the connecting member 4 accesses the exhaust pipe 2, and the other end orifice extends outside the bottom pipe orifice of the drain pipe 1. Thereby increasing the exhaust channel. In addition, in another optional example, the orifices of the connecting member 4 and the exhaust pipe 2 are arranged at intervals to avoid noise generated by their contact.
[0046] In addition, in a further optional example, in order to increase the exhaust channel, as Figure 7As shown, the pool return water silencer may also include, for example: a bronchus 5, one end of which is connected to the exhaust pipe 2, and the other end extends beyond the bottom pipe orifice of the drain pipe 1. In addition, in another alternative example, the orifices of the bronchus 5 and the exhaust pipe 2 are arranged at intervals to avoid noise generated by their contact.
[0047] Furthermore, as Figure 4 , Figure 5 shown, in this example, the limiting part 3 of the drain pipe 1 can be arranged in a ring around the top pipe orifice of the drain pipe 1. Such an arrangement can facilitate the insertion of the drain pipe 1 into the pool overflow return pipe 9 for fixation, prevent the silencer body from being washed away by water, and facilitate loading, unloading, maintenance, and repair. In addition, in another alternative example, as Figure 8 shown, the limiting part 3 of the drain pipe 1 is in the shape of a clamping projection and is arranged at intervals around the top pipe orifice of the drain pipe 1. Such an arrangement can also achieve the effect of fixation and convenient loading and unloading in the pool overflow return pipe 9.
[0048] In addition, as Figure 5 shown, when the silencer of this case is installed in the return pipe 9, it should be noted that in order to avoid blockage of the exhaust pipe 2, the height of the exhaust pipe 2 should be higher than the water level plane in the pool overflow trough 91. Therefore, in order to facilitate the adjustment of the length of the exhaust pipe 2 to suit the depths of different pool overflow troughs 91, as Figure 6 shown, in an alternative example, the exhaust pipe 2 includes: a main air pipe 21 and a main extension pipe 22. The main air pipe 21 is connected to the drain pipe 1 through a connector 4. Connecting parts 8 are provided at both ends of the main air pipe 21 and at one end of the main extension pipe 22. Each main extension pipe 22 is connected to the main air pipe 21 through the connecting part 8, so that the main extension pipe 22 is connected to the main air pipe 21, thereby supporting the extension of the main air pipe 21. Among them, in another alternative implementation, the connector 4 includes: a secondary air pipe 41 and a secondary extension pipe 42. The secondary air pipe 41 is connected to the inner pipe wall of the drain pipe 1. One end of the secondary air pipe 41 is connected to the exhaust pipe 2. Connecting parts 8 are provided at the other end of the secondary air pipe 41 and at one end of the secondary extension pipe 42. The secondary extension pipe 42 is connected to the secondary air pipe 41 through the connecting part 8, so that the secondary extension pipe 42 is connected to the secondary air pipe 41. Thereby, the extension of the secondary air pipe 41 is realized.
[0049] On the other hand, in other alternative embodiments, the exhaust pipe 2 includes a main air pipe 21, a main extension pipe 22, and a bronchial pipe 5. The main air pipe 21 is connected to the drain pipe 1 through a connector 4. One end of the bronchial pipe 5 is connected to the main air pipe 21. Connection parts 8 are provided at the other end of the bronchial pipe 5, at both ends of the main air pipe 21, and at one end of the main extension pipe 22. The main extension pipes 22 are respectively connected to the main air pipe 21 and the bronchial pipe 5 through the connection parts 8, so that each main extension pipe 22 is connected to the main air pipe 21 and the bronchial pipe 5 respectively. Thus, the extension of the bronchial pipe 5 and the main air pipe 21 is realized.
[0050] In addition, in the above example, the mating structure of the connection part 8 can be implemented by any one of a threaded interface mating or a plug-in interface mating. Since such interface structures are prior art, they will not be elaborated in this example. Those skilled in the art can refer to the prior art for implementation.
[0051] When the muffler of the above example is set at the overflow circulation return water port of the swimming pool, water flow is introduced through the drain pipe 1 for downward discharge, while the exhaust pipe 2 of the muffler collects the connector 4 and / or the bronchial pipe 5 to communicate with the atmosphere. Through this setting, when there is overflow circulation and return water, a siphon negative pressure will be generated at the mouth of the return pipe 9, and air will be sucked in through the exhaust pipe 2 of the muffler. At this time, the siphon negative pressure generated at the mouth of the return pipe 9 can be destroyed, so that a negative pressure siphon suction pressure cannot be formed, thereby achieving the purpose of eliminating noise. At present, after on-site testing in the swimming pool, the sound insulation effect is significantly effective.
[0052] In summary, through the swimming pool return water muffler provided by the present utility model, the siphon negative pressure generated at the mouth of the return pipe 9 during overflow circulation and return water is ingeniously destroyed by sucking air through the exhaust pipe 2 of the muffler in terms of its structure, so that a negative pressure siphon suction pressure cannot be formed at the mouth of the return pipe 9, thereby eliminating the noise during overflow and return water in the overflow trough 91 of the swimming pool. In addition, the structure of this muffler is simple, easy to install, and there is no need to modify the original swimming pool return pipe parts or carry out civil engineering construction, which is especially suitable for existing swimming pools. Therefore, it has high practical value.
[0053] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the art can understand and utilize the present utility model well. The present utility model is only limited by the claims and their full scope and equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
[0054] In addition, any combination can be made among various different embodiments of the embodiments of the present utility model, as long as it does not violate the idea of the embodiments of the present utility model, and it should also be regarded as the content disclosed by the embodiments of the present utility model.
Claims
1. A swimming pool return water muffler, characterized in that include: A drain pipe and an exhaust pipe, wherein the outer wall of the drain pipe opening is provided with a limiting portion, the side wall of the exhaust pipe is provided with a connecting piece, the exhaust pipe is connected to the drain pipe via the connecting piece and suspended in the drain pipe, and the pipe openings at both ends of the exhaust pipe extend beyond the top and bottom pipe openings of the drain pipe.
2. The swimming pool return silencer according to claim 1, characterized in that: The connecting piece is in a tubular shape and is connected to the inner wall of the drain pipe. One end of the connecting piece is connected to the exhaust pipe, and the other end is extended to the outside of the bottom of the drain pipe.
3. The swimming pool return silencer according to claim 1, characterized in that: Also includes: The bronchus has one end connected to the exhaust pipe and the other end extending to the bottom of the drain pipe.
4. The swimming pool return silencer according to claim 1, characterized in that: The exhaust pipe includes: a main air pipe and a main extension pipe, wherein the main air pipe is connected to the drain pipe via a connecting piece, and connecting parts are provided at the pipe openings at both ends of the main air pipe and at the pipe opening at one end of the main extension pipe. Each main extension pipe is connected to the main air pipe via the connecting part so that the main extension pipe is connected to the main air pipe.
5. The swimming pool return silencer according to claim 1, characterized in that: The exhaust pipe includes: a main air pipe, a main extension pipe, and a bronchus. The main air pipe is connected to the drain pipe via a connecting piece. One end of the bronchus is connected to the main air pipe. Connecting parts are provided at the other end of the bronchus, at both ends of the main air pipe, and at one end of the main extension pipe. Each main extension pipe is connected to the main air pipe and the bronchus via the connecting part, so that each main extension pipe is connected to the main air pipe and the bronchus respectively.
6. The swimming pool return silencer according to claim 1, characterized in that: The connecting piece includes: a secondary air pipe and a secondary extension pipe. The secondary air pipe is connected to the inner wall of the drain pipe. One end of the secondary air pipe is connected to the exhaust pipe. A connecting part is provided at the other end of the secondary air pipe and at the end of the secondary extension pipe. The secondary extension pipe and the secondary air pipe are connected via the connecting part so that the secondary extension pipe is connected to the secondary air pipe.
7. The swimming pool return silencer according to any one of claims 4 to 6, characterized in that: The connection structure of the connection part is any one of threaded interface connection and plug-in interface connection.
8. The swimming pool return silencer according to claim 1, characterized in that: The limiting part of the drain pipe is arranged at the top pipe opening of the drain pipe in a ring shape, or is arranged at intervals at the top pipe opening of the drain pipe in a convex shape.
9. The swimming pool return silencer according to claim 1, characterized in that: The exhaust pipe is suspended at the inner center of the drain pipe so as to be coaxially arranged with the drain pipe.
10. The swimming pool return silencer according to any one of claims 2, 3, 5 and 6, characterized in that: The pipe opening of the connecting piece and the pipe opening of the drain pipe are arranged at intervals.