Manifolds and underfloor heating distribution systems with cleaning function

Abstract

This invention provides a water manifold with cleaning function and a floor heating water distribution system, relating to the field of pipe fittings. The water manifold with cleaning function includes a housing and multiple microbubble devices disposed on the housing. Each microbubble device includes a second main body and a first bubble generator. The second main body is mounted on the housing, and the first bubble generator is disposed within the second main body. The first bubble generator has multiple first mixing holes, the diameter of which first mix holes decreases and then increases along the fluid flow direction. Each first mixing hole has at least one spiral flow channel located downstream of the point where the inner diameter of the first mixing hole is smallest. The bubble generator causes bubbles in the water entering the microbubble device to precipitate, forming bubble-containing water, which cleans the pipes.

Description

Technical Field

[0001] This invention relates to the field of pipe fittings technology, and more specifically, to a manifold with cleaning function and a floor heating water distribution system. Background Technology

[0002] Underfloor heating has become an essential part of people's lives. However, due to the complex structure and long pipes of underfloor heating systems, many problems arise during use, with insufficient heating being a common issue. Poor water quality in underfloor heating systems, even with filters at the inlet to remove impurities, can still lead to the growth of bacteria and algae in the pipes due to calcium and magnesium ions. Over time, this results in scale buildup and even blockages. According to statistics, on average, 1 millimeter of scale builds up in underfloor heating systems each year, and this 1-millimeter layer of scale can cause a 6°C drop in temperature, demonstrating the serious impact of dirty pipes on underfloor heating systems.

[0003] There are currently various cleaning solutions for underfloor heating pipes, such as filter cleaning, chemical cleaning, projectile cleaning, jet cleaning, and physical pulse cleaning. Analyzing these cleaning methods, it is not difficult to see that the cleaning of underfloor heating pipes involves many steps, requires a lot of manpower and resources, and incurs additional costs. Disassembling the manifold and collector during each cleaning process can easily damage the seals at the connection points, affecting the service life of the underfloor heating system.

[0004] Therefore, this application is hereby submitted. Summary of the Invention

[0005] The present invention aims to provide a manifold with cleaning function and a floor heating water distribution system, in order to improve at least one of the problems mentioned in the background art.

[0006] The embodiments of the present invention can be implemented as follows:

[0007] In a first aspect, the present invention provides a water distributor with a cleaning function, comprising a housing and a plurality of microbubble devices disposed on the housing;

[0008] Each microbubble device includes an air inlet assembly and a water inlet assembly;

[0009] The air intake assembly includes a first body, a pressure-sensing one-way valve, and an air guide pipe. The first body has a first mounting cavity, a second mounting cavity, and a third mounting cavity sequentially opened along its length, with the direction from the first mounting cavity to the third mounting cavity being the fluid flow direction. The pressure-sensing one-way valve is disposed in the first mounting cavity. One end of the air guide pipe is disposed in the second mounting cavity and communicates with the pressure-sensing one-way valve. The other end of the air guide pipe extends to pass through the third mounting cavity. A first water inlet is opened on the side wall corresponding to the first body and the third mounting cavity.

[0010] The water inlet assembly includes a second body and a first bubble generator. The second body is mounted on the housing and sleeved outside the first body. The first bubble generator is disposed inside the second body and has a first mounting port located in the middle. An air guide tube is inserted into the first mounting port. The first bubble generator has multiple first mixing holes around the first mounting port. Along the fluid flow direction, the diameter of the first mixing holes first decreases and then increases. Each first mixing hole has at least one spiral flow channel located downstream of the smallest inner diameter of the first mixing hole. The first bubble generator has a first mixing chamber that communicates with the end of the air guide tube. The first mixing chamber communicates with each first mixing hole. The second body has a second water inlet. Rotating the first body circumferentially can make the first water inlet and the second water inlet coincide or not coincide at all.

[0011] In the direction of fluid flow, the first inlet and the second inlet are located upstream of the first bubble generator, and the end of the second body is provided with a fluid outlet, which is located downstream of the second inlet.

[0012] The second water inlet is connected to the inner cavity of the shell, and a water pipe connection port is provided on the shell, which is connected to the inner cavity of the shell.

[0013] In an optional embodiment, the first bubble generator includes an upper flow channel block, a lower flow channel block, and a rubber connecting sleeve;

[0014] The first mounting port is located in the middle of the upper flow channel block, and multiple guide holes are arranged around the first mounting port. Multiple swirling holes are arranged in the lower flow channel block. The multiple guide holes are connected to the multiple swirling holes one by one. The rubber connecting sleeve is fitted outside the upper flow channel block and the lower flow channel block to connect the two. In the direction of fluid flow, the upper flow channel block is located upstream of the lower flow channel block.

[0015] Optionally, along the fluid flow direction, with the upstream as the beginning and the downstream as the end, the beginning of the guide hole is funnel-shaped and the inner diameter gradually decreases, while the end of the swirling hole is funnel-shaped and the inner diameter gradually increases.

[0016] Optionally, the upper flow channel block has a fitting ring around each guide hole on the side near the lower flow channel block, and the lower flow channel block has a fitting groove at the corresponding swirl hole on the side near the upper flow channel block. The guide hole and the corresponding swirl hole are connected by each fitting ring being embedded into a fitting groove.

[0017] Optionally, the upper flow channel block is provided with a sealing ring mounting groove surrounding and communicating with the first mounting port, and a sealing ring is provided in the sealing ring mounting groove and the sealing ring is sleeved on the outer wall of the air guide pipe.

[0018] In an optional embodiment, a first connecting groove is provided on the outer wall of the upper flow channel block near the lower flow channel block, and a second connecting groove is provided on the outer wall of the lower flow channel block near the upper flow channel block. The first connecting groove and the second connecting groove are joined together to form an annular mounting groove.

[0019] The rubber connecting sleeve is fitted inside the annular mounting groove;

[0020] Optionally, the end of the first connecting groove away from the second connecting groove is a first V-shaped groove with a greater depth; the end of the second connecting groove away from the first connecting groove is a second V-shaped groove with a greater depth, and the inner walls of the opposite ends of the rubber connecting sleeve have V-shaped protrusions. When the rubber connecting sleeve is fitted into the annular mounting groove, the V-shaped protrusions at its opposite ends are respectively embedded into the first V-shaped groove and the second V-shaped groove.

[0021] In an optional embodiment, the water inlet assembly further includes a second bubble generator disposed in a third mounting cavity. The second bubble generator has a second mounting port located in the middle, through which an air guide tube passes. The second bubble generator is provided with a plurality of second mixing holes around the second mounting port. The diameter of the second mixing holes first decreases and then increases. Each second mixing hole has at least one spiral flow channel located downstream of the smallest inner diameter of the second mixing hole.

[0022] The second bubble generator is also provided with a second mixing chamber. The side wall of the part of the air guide tube located in the third mounting chamber is provided with multiple air holes. Each air hole is connected to the second mixing chamber, and the second mixing chamber is connected to each second mixing hole.

[0023] The first body is also provided with a third water inlet, and the second body is also provided with a fourth water inlet. Rotating the first body around its circumference can make the third water inlet and the fourth water inlet overlap or not overlap at all.

[0024] In the direction of fluid flow, the third inlet, the second bubble generator, the first inlet, and the first bubble generator are arranged sequentially.

[0025] The fourth water inlet is connected to the inner cavity of the shell.

[0026] In an optional embodiment, a limiting groove is formed on the inner wall of the first body corresponding to the third mounting cavity. The microbubble device also includes a retaining ring with a notch, which is disposed at the limiting groove. The inner diameter of the retaining ring is smaller than the diameter of the second bubble generator, and is used to limit the second bubble generator in the axial direction.

[0027] In an optional embodiment, the pressure-sensing check valve includes a valve cover, an upper sealing gasket, a valve body, a valve head, a spring, and a lower sealing gasket.

[0028] An air port is provided in the middle of the valve cover. The outer periphery of the valve cover is connected to the inner wall of the end of the first body. The valve body is located in the first mounting cavity. The upper sealing gasket is clamped and limited by the valve cover and the valve body. The inner diameter of the first mounting cavity is larger than the inner wall of the second mounting cavity. The transition between the two forms a stepped surface. The lower sealing gasket is clamped between the valve body and the stepped surface.

[0029] The valve housing includes an outer shell, a connecting ring, and a mounting tube arranged coaxially. The outer edge of the connecting ring is connected to the outer shell, and the inner edge is connected to the mounting tube.

[0030] The valve head includes a plug and an installation tail arranged coaxially. The diameter of the plug is larger than the inner diameter of the upper sealing gasket. The installation tail is inserted into the installation tube, and there is a vent gap between the installation tail and the inner wall of the installation tube. The spring is sleeved on the outside of the installation tube, with one end of the spring abutting against the connecting ring and the other end abutting against the plug.

[0031] When the pressure-sensing check valve is closed, the spring extends, causing the plug to abut against the upper sealing gasket; when the pressure-sensing check valve is open, the spring shortens, connecting the air port, valve body, vent gap, and second mounting cavity.

[0032] In an optional embodiment, the microbubble device further includes a filter element disposed within the second mounting cavity, located between the valve housing and the air guide tube.

[0033] In an optional embodiment, the air duct includes a large end and a tube body that are connected to each other;

[0034] The large end is located in the second mounting cavity, the filter element is located between the valve body and the large end, and a rubber pad is provided on the first main body at the cavity wall of the second mounting cavity away from the first mounting cavity. The rubber pad is sleeved outside the pipe body.

[0035] In an optional embodiment, the microbubble device further includes a cutting mesh assembly disposed at the fluid outlet;

[0036] The cutting mesh assembly comprises multiple cutting meshes, with the mesh count of the multiple cutting meshes gradually increasing in the direction of fluid flow.

[0037] Secondly, the present invention provides a floor heating water distribution system, including an inlet pipe, a water distributor, a water collector, a return pipe, and a drain valve as described in any of the foregoing embodiments.

[0038] The inlet pipe is connected to the water pipe connection port of the distributor;

[0039] The number of microbubble devices on the water distributor is the same as the number of water inlets on the water collector. The fluid outlet of each microbubble device is connected to one water inlet on the water collector via a pipe. A drain valve is installed at the end of the water collector.

[0040] Optionally, the underfloor heating manifold system also includes a controller, a drain valve, and each microbubble device is communicatively connected to the controller. The controller can control the opening and closing of the drain valve or control the rotation of the first body of the microbubble device.

[0041] The beneficial effects of the water manifold with cleaning function and the underfloor heating water distribution system provided in this embodiment of the invention include:

[0042] In summary, the water distributor with cleaning function provided by this invention has the following characteristics:

[0043] (1) Bubbles are generated by dissolving air in water, and the cleaning and lubricating effects of bubble water make it less likely for scale to form on the inner wall of the pipe, thus increasing the lifespan of the system.

[0044] (2) By utilizing the system depressurization and the Venturi jet principle, a large number of air bubbles are generated from the outside, achieving the effect of deep cleaning of the underfloor heating pipes;

[0045] (3) The ingenious structural design combines the microbubble generating device with the water distributor. Installing the water distributor provided by this invention is equivalent to installing a cleaning system. No other resources need to be invested in subsequent floor heating cleaning.

[0046] (4) The operation is simple. The cleaning system can be controlled by simply controlling the opening and closing of the drain valve. No parts need to be disassembled, and the system has a longer service life. Attached Figure Description

[0047] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0048] Figure 1 This is an exploded cross-sectional view of the water distributor provided in this embodiment;

[0049] Figure 2 This is a cross-sectional view of the microbubble device provided in this embodiment;

[0050] Figure 3 This is a cross-sectional view of the intake assembly;

[0051] Figure 4 This is a diagram illustrating the working principle of heating.

[0052] Figure 5 Schematic diagram of the working principle in cleaning mode;

[0053] Figure 6 State diagram when in non-working mode;

[0054] Figure 7 This is a schematic diagram of the structure of a floor heating manifold system;

[0055] Figure 8 This is a cross-sectional view of the first bubble generator;

[0056] Figure 9 This is an exploded cross-sectional view of the first bubble generator.

[0057] Icons: 10-Diverter; 11-Housing; 11a-Water pipe connection port; 11b-First end installation port; 11c-Second end installation port; 11d-Branch pipe connector;

[0058] 100 - Microbubble device; 111 - First body; 111a - First mounting cavity; 111b - Second mounting cavity; 111c - Third mounting cavity; 111g - Stepped surface; 111d - First water inlet; 111e - Third water inlet; 111f - Limiting groove; 111h - Flange; 112 - Pressure-sensing check valve; 112a - Valve cover; 112b - Upper sealing gasket; 112c - Valve body; 1121 - Outer shell; 1122- Connecting ring; 1123- Mounting tube; 112d- Valve head; 1124- Plug; 1125- Mounting tail; 1126- Vent gap; 1127- Air port; 112e- Spring; 112f- Lower sealing gasket; 113- Air guide tube; 113a- Large end; 113b- Tube body; 113c- Vent hole; 114- Snap ring; 115- Rubber gasket; 121- Second body ; 121a - Second inlet; 121b - Fluid outlet; 121e - Fourth inlet; 122 - Valve cap; 123 - Convex ring; 125 - Connecting foot; 130 - First bubble generator; 130a - Upper flow channel block; 130b - Lower flow channel block; 130c - Rubber connecting sleeve; 130d - V-shaped protrusion; 131 - First mounting port; 132 - First mixing hole; 132a - Guide hole; 132b - Swirl Flow hole; 133-First mixing chamber; 134-Matching ring; 135-Matching groove; 136-Sealing ring mounting groove; 137-Sealing ring; 138-Annular mounting groove; 138a-First connecting groove; 138b-Second connecting groove; 139a-First V-groove; 139b-Second V-groove; 140-Second bubble generator; 141-Second mounting port; 142-Second mixing hole; 143-Second mixing chamber; 150-Air filter element; 160-Cutting mesh assembly; 161-Cutting mesh; 170-Electric control handwheel;

[0059] 1-Inlet pipe; 2-Inlet ball valve; 3-Controller; 4-Water collector; 5-Drain valve; 6-Return ball valve; 7-Return pipe. Detailed Implementation

[0060] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0061] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0062] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0063] In the description of this invention, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of this invention is usually placed, they are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0064] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0065] It should be noted that, where there is no conflict, the features in the embodiments of the present invention can be combined with each other.

[0066] like Figures 1 to 3 As shown, the present invention provides a water distributor 10 with cleaning function, including a housing 11 and a plurality of microbubble devices 100 disposed on the housing 11;

[0067] Each microbubble device 100 includes an air inlet assembly and a water inlet assembly;

[0068] The air intake assembly includes a first body 111, a pressure-sensing one-way valve 112, and an air guide pipe 113. The first body 111 has a first mounting cavity 111a, a second mounting cavity 111b, and a third mounting cavity 111c sequentially opened in the length direction. The direction from the first mounting cavity 111a to the third mounting cavity 111c is the fluid flow direction. The pressure-sensing one-way valve 112 is disposed in the first mounting cavity 111a. One end of the air guide pipe 113 is disposed in the second mounting cavity 111b and communicates with the pressure-sensing one-way valve 112. The other end of the air guide pipe 113 extends to pass through the third mounting cavity 111c. A first water inlet 111d is opened on the side wall corresponding to the first body 111 and the third mounting cavity 111c.

[0069] The water inlet assembly includes a second body 121 and a first bubble generator 130. The second body 121 is mounted on the housing 11 and is sleeved outside the first body 111. The first bubble generator 130 is disposed inside the second body 121 and has a first mounting port 131 located in the middle. An air guide tube 113 is inserted into the first mounting port 131. The first bubble generator 130 has a plurality of first mixing holes 132 around the first mounting port 131. Along the fluid flow direction, the diameter of the first mixing holes 132 firstly decreases. After being smaller, it is then enlarged. Each first mixing hole 132 has at least one spiral flow channel, which is located downstream of the smallest inner diameter of the first mixing hole 132. The first bubble generator 130 is provided with a first mixing chamber 133 that communicates with the end of the air guide pipe 113. The first mixing chamber 133 communicates with each first mixing hole 132. The second body 121 is provided with a second inlet 121a. Rotating the first body 111 around its circumference can make the first inlet 111d and the second inlet 121a overlap or not overlap at all.

[0070] In the direction of fluid flow, the first inlet 111d and the second inlet 121a are located upstream of the first bubble generator 130, and the end of the second body 121 is provided with a fluid outlet 121b, which is located downstream of the second inlet 121a.

[0071] The second water inlet 121a is connected to the inner cavity of the shell 11. The shell 11 is provided with a water pipe connection port 11a, which is connected to the inner cavity of the shell 11.

[0072] like Figure 7 As shown, this embodiment of the invention also provides a floor heating manifold system, including an inlet pipe 1, the aforementioned manifold 10, a collector 4, a return pipe 7, and a drain valve 5;

[0073] The inlet pipe 1 is connected to the water pipe connection port 11a of the distributor 10;

[0074] The number of microbubble devices 100 on the water distributor 10 is the same as the number of water inlets on the water collector 4. The fluid outlet 121b of each microbubble device 100 is connected to one water inlet on the water collector 4 through a pipe. A drain valve 5 is provided at the end of the water collector 4.

[0075] Optionally, the underfloor heating manifold system also includes a controller 3; a drain valve 5 and each microbubble device 100 are communicatively connected to the controller 3, and the controller 3 can control the opening and closing of the drain valve 5 or control the rotation of the first body 111 of the microbubble device 100.

[0076] Furthermore, an inlet ball valve 2 is installed on the inlet pipe 1, and a return ball valve 6 is installed on the return pipe 7.

[0077] The working principle of the water manifold 10 with cleaning function and the underfloor heating water distribution system provided in this embodiment of the invention is as follows:

[0078] When heating, such as Figures 1 to 4 As shown, the entire system is in a closed state, with the water pressure inside the system greater than the external air pressure. The pressure-sensing one-way valve 112 is closed, preventing outside air from entering. The position of the first main body 111 causes the first inlet 111d and the second inlet 121a to overlap. Hot water flows through the second inlet 121a and the first inlet 111d into the microbubble device 100, and then into the first mixing hole 132. In the first mixing hole 132, due to the narrowing of the flow channel, the water velocity increases and the pressure decreases. Some of the dissolved air in the water is released and, through spiral flow and collision with the channel wall, further releases the air. The released air then exits through a flow channel with gradually increasing inner diameter, increasing the jet velocity and flow rate of the bubble water. Utilizing the characteristics of bubble water, it can clean pipes and adhere to the pipe walls to form lubricant, preventing scale formation.

[0079] In cleaning mode, such as Figures 1 to 3 and Figure 5 As shown, when the drain valve 5 at the end of the underfloor heating manifold is opened, the system is depressurized, and a siphon negative pressure is formed in the pipeline. Due to the venturi effect formed by the narrowing structure in the middle of the first mixing hole 132, the pressure at the narrowing point is further reduced. When the pressure difference between the external air pressure and the pipeline pressure is greater than the pressure that the one-way valve can withstand, the one-way valve opens, and air is drawn into the flow channel along the air guide pipe 113. It mixes with water at the first mixing chamber 133 of the bubble generator to form bubbles, and collide with the spiral flow channel to accelerate the water-air mixing process. After the cleaning is completed, the drain valve 5 is closed, the system is pressurized again, and the one-way valve is closed.

[0080] In non-working mode, such as Figures 1 to 3 and Figure 6 As shown, the position of the first main body 111 is such that the first water inlet 111d and the second water inlet 121a do not overlap at all, that is, water cannot enter the microbubble device 100.

[0081] Specifically, such as Figures 1 to 3 As shown, the housing 11 is also provided with a head mounting port 11b and a tail mounting port 11c opposite to the head mounting port 11b. The head section of the second body 121 is located in the head mounting port, and the tail section of the second body 121 is located in the tail mounting port 11c. The fluid outlet 121b is connected to the tail mounting port 11c. On the outer wall of the housing 11, a branch pipe head 11d is provided at each tail mounting port 11c for connecting pipelines.

[0082] Optionally, the microbubble device 100 further includes an electric control handwheel 170. A connecting foot 125 is provided at the end of the first main body 111, and the connecting foot 125 is connected to the electric control handwheel 170. The controller 3 is communicatively connected to the electric control handwheel 170. The controller 3 can control the first main body 111 to rotate circumferentially via the electric control handwheel 170, ensuring that the overlap between the first water inlet 111d and the second water inlet 121a is completely non-overlapping, thus controlling whether water enters the microbubble device 100. It should be noted that in the event of a power outage, the operator can manually rotate the first main body 111 by operating the electric control handwheel 170.

[0083] Optionally, a flange 111h is provided on the outer wall of the end of the first body 111, and a flange groove is provided on the inner wall of the end of the second body 121. The flange 111h is disposed in the flange groove, and in the axial direction, the first body 111 is limited within the second body 121.

[0084] Optionally, the microbubble device 100 further includes a valve cap 122, which covers the ends of the first body 111 and the second body 121. The inner wall of the valve cap 122 and the outer wall of the second body 121 are connected by threads. In the axial direction, the valve cap 122 limits the first body 111, so that the first body 111 is stably set in the second body 121.

[0085] Optionally, the outer wall of the second body 121 is further provided with a convex ring 123. In the fluid flow direction, the convex ring 123 is located downstream of the valve cap 122. An external thread is also provided on the outer wall of the second body 121 downstream of the convex ring 123. An internal thread is provided on the inner wall of the housing 11 corresponding to the first end mounting port 11b. The second body 121 is connected to the housing 11 via the thread. When the microbubble device 100 is installed on the housing 11, the convex ring 123 is located outside the housing 11. In the axial direction, the convex ring 123 serves to limit the movement of the microbubble device 100. A sealing ring 137 is also provided between the convex ring 123 and the external thread to achieve a sealing effect.

[0086] Optionally, the pressure-sensing check valve 112 includes a valve cover 112a, an upper sealing gasket 112b, a valve body 112c, a valve head 112d, a spring 112e, and a lower sealing gasket 112f;

[0087] An air port 1127 is provided in the middle of the valve cover 112a. The outer periphery of the valve cover 112a is connected to the inner wall of the end of the first body 111. The valve housing 112c is disposed in the first mounting cavity 111a. The upper sealing gasket 112b is clamped and limited by the valve cover 112a and the valve housing 112c. The inner diameter of the first mounting cavity 111a is larger than the inner wall of the second mounting cavity 111b. The transition between the two forms a stepped surface 111g. The lower sealing gasket 112f is sandwiched between the valve housing 112c and the stepped surface 111g. The upper sealing gasket and the lower sealing gasket 112f prevent air from entering from the connection, making the one-way valve the only air inlet.

[0088] Valve housing 112c includes an outer shell 1121, a connecting ring 1122 and a mounting tube 1123 arranged coaxially. The outer edge of the connecting ring 1122 is connected to the outer shell 1121 and the inner edge is connected to the mounting tube 1123.

[0089] The valve head 112d includes a plug 1124 and an installation tail 1125 arranged coaxially. The diameter of the plug 1124 is larger than the inner diameter of the upper sealing gasket 112b. The installation tail 1125 is inserted into the installation tube 1123, and there is a vent gap 1126 between the installation tail 1125 and the inner wall of the installation tube 1123. The spring 112e is sleeved on the outside of the installation tube 1123. One end of the spring 112e abuts against the connecting ring 1122, and the other end abuts against the plug 1124.

[0090] When the pressure-sensing check valve 112 is closed, the spring 112e extends, causing the plug 1124 to abut against the upper sealing gasket 112b; when the external pressure minus the internal pressure is greater than the elastic force of the spring 112e, the check valve opens, air enters from the check valve, and is transported to a specific location through the air guide pipe 113 to mix with water.

[0091] When the pressure-sensing check valve 112 opens, the spring 112e shortens, and the air port 1127, valve body 112c, vent gap 1126, and second mounting cavity 111b are connected.

[0092] Furthermore, the outer wall of the valve cover 112a is provided with external threads, and the inner wall of the end of the first body 111 is provided with internal threads. The valve cover 112a is connected to the inner wall of the first body 111 through the threads.

[0093] Optionally, the microbubble device 100 further includes an air filter 150, which is disposed within the second mounting cavity 111b, located between the valve housing 112c and the air guide pipe 113. The function of the air filter 150 is to filter the air entering from the pressure-sensing check valve 112 when the valve is open, preventing impurities in the air from entering the underfloor heating pipe system. Further, the air filter 150 is filter cotton.

[0094] Optionally, the air duct 113 includes a large end 113a and a tube body 113b that are connected to each other;

[0095] The larger end 113a is located within the second mounting cavity 111b. The filter element 150 is situated between the valve housing 112c and the larger end 113a. A rubber gasket 115 is provided on the wall of the first main body 111, corresponding to the second mounting cavity 111b and located away from the first mounting cavity 111a. The rubber gasket 115 is fitted over the tube body 113b. The rubber gasket 115 prevents water from overflowing through the connection and prevents air from entering the equipment without passing through the air guide tube 113. The tube body 113b extends into the third mounting cavity 111c.

[0096] Furthermore, the outer wall of the large end 113a is provided with external threads, and the inner wall of the first body 111 corresponding to the second mounting cavity 111b is provided with internal threads. The large end 113a is connected to the inner wall of the first body 111 through the threads.

[0097] Optionally, in addition to the first bubble generator 130, the water inlet assembly also includes a second bubble generator 140. The second bubble generator 140 is disposed in the third mounting cavity 111c. The second bubble generator 140 has a second mounting port 141 located in the middle. The air guide pipe 113 passes through the second mounting port 141. The second bubble generator 140 is provided with a plurality of second mixing holes 142 around the second mounting port 141. The diameter of the second mixing holes 142 first decreases and then increases. Each second mixing hole 142 has at least one spiral flow channel, which is located downstream of the smallest inner diameter of the second mixing hole 142.

[0098] The second bubble generator 140 is also provided with a second mixing chamber 143. The side wall of the portion of the air guide pipe 113 located in the third mounting cavity 111c is provided with a plurality of air holes 113c. Each air hole 113c is connected to the second mixing chamber 143, and the second mixing chamber 143 is connected to each second mixing hole 142.

[0099] The first body 111 is also provided with a third water inlet 111e, and the second body 121 is also provided with a fourth water inlet 121e. Rotating the first body 111 around its circumference can make the third water inlet 111e and the fourth water inlet 121e overlap or not overlap at all.

[0100] In the fluid flow direction, the third inlet 111e, the second bubble generator 140, the first inlet 111d, and the first bubble generator 130 are arranged sequentially. A portion of the water entering the microbubble device 100 is first processed by the second bubble generator 140 and then enters the first bubble generator 130 for further processing. The second bubble generator 140 further exfoliates dissolved air in the water, increasing the bubble content and thus improving the cleaning effect on the pipeline.

[0101] It should be noted that, in some embodiments of the present invention, more bubble generators may be set up according to actual needs, referring to the specific setting of the second bubble generator 140.

[0102] Specifically, such as Figure 8 and Figure 9 As shown, the first bubble generator 130 includes an upper flow channel block 130a, a lower flow channel block 130b, and a rubber connecting sleeve 130c;

[0103] The first mounting port 131 is located in the middle of the upper flow channel block 130a. Multiple guide holes 132a are provided around the first mounting port 131, and multiple swirling holes 132b are provided in the lower flow channel block 130b. The multiple guide holes 132a are connected to the multiple swirling holes 132b in a one-to-one correspondence. The rubber connecting sleeve 130c is sleeved on the upper flow channel block 130a and the lower flow channel block 130b to connect the two. In the direction of fluid flow, the upper flow channel block 130a is located upstream of the lower flow channel block 130b.

[0104] Optionally, along the fluid flow direction, with the upstream end as the beginning and the downstream end as the end, the beginning of the guide hole 132a is funnel-shaped with a gradually decreasing inner diameter, and the end of the swirling hole 132b is funnel-shaped with a gradually increasing inner diameter. This structure specifically embodies the principle that the diameter of the first mixing hole first decreases and then increases.

[0105] Optionally, an engagement ring 134 is provided around each guide hole 132a on the side of the upper flow channel block 130a near the lower flow channel block 130b, and an engagement groove 135 is provided at the corresponding swirl hole 132b on the side of the lower flow channel block 130b near the upper flow channel block 130a. The guide hole 132a is connected to the corresponding swirl hole 132b by each engagement ring 134 being embedded into a corresponding engagement groove 135. The engagement ring 134 and the engagement groove 135 enable the positioning of the upper flow channel block 130a and the lower flow channel block 130b.

[0106] Optionally, the upper flow channel block 130a is provided with a sealing ring mounting groove 136 surrounding and communicating with the first mounting port 131, and a sealing ring 137 is provided in the sealing ring mounting groove 136, and the sealing ring 137 is sleeved on the outer wall of the air guide pipe 113.

[0107] Optionally, a first connecting groove 138a is provided on the outer wall of the upper flow channel block 130a near the lower flow channel block 130b, and a second connecting groove 138b is provided on the outer wall of the lower flow channel block 130b near the upper flow channel block 130a. The first connecting groove 138a and the second connecting groove 138b are joined together to form an annular mounting groove 138; a rubber connecting sleeve 130c is fitted inside the annular mounting groove 138.

[0108] Optionally, the end of the first connecting groove 138a away from the second connecting groove 138b is a first V-shaped groove 139a with a greater depth; the end of the second connecting groove 138b away from the first connecting groove 138a is a second V-shaped groove 139b with a greater depth; the inner walls of the opposite ends of the rubber connecting sleeve 130c have V-shaped protrusions 130d; when the rubber connecting sleeve 130c is fitted into the annular mounting groove 138, the V-shaped protrusions 130d at its opposite ends are respectively embedded into the first V-shaped groove 139a and the second V-shaped groove 139b.

[0109] The V-shaped protrusion 130d and the V-shaped groove enable the rubber connecting sleeve 130c to be more stably fitted onto the outer walls of the upper flow channel block 130a and the lower flow channel block 130b, thus improving the structural stability of the first bubble generator 130.

[0110] The first bubble generator 130 and the second bubble generator 140 have roughly the same structure, the only difference being that the first mounting port 131 of the first bubble generator 130 penetrates through the first bubble generator 130, while the second mounting port 141 penetrates through the entire second bubble generator 140. Therefore, the structure of the second bubble generator 140 will not be described in detail here.

[0111] Optionally, the first body 111 has a limiting groove 111f on the inner wall corresponding to the third mounting cavity 111c. The microbubble device 100 also includes a retaining ring 114 with a notch. The retaining ring 114 is disposed at the limiting groove 111f. The inner diameter of the retaining ring 114 is smaller than the diameter of the second bubble generator 140, and it is used to limit the second bubble generator 140 in the axial direction.

[0112] Optionally, the microbubble device 100 further includes a cutting mesh assembly 160, which is disposed downstream of the first bubble generator 130, which is confined between the end of the first body 111 and the cutting mesh assembly 160. The cutting mesh assembly 160 is disposed at the fluid outlet 121b; the cutting mesh assembly 160 includes a plurality of cutting meshes 161, the mesh count of which gradually increases in the fluid flow direction.

[0113] Water that has passed through the second bubble generator 140 and the first bubble generator 130 in sequence is finally passed through the cutting mesh 161 to generate a large amount of denser bubble water, achieving a better cleaning effect on the pipes.

[0114] In summary, the water distributor 10 with cleaning function provided by the present invention has the following characteristics:

[0115] (1) Bubbles are generated by dissolving air in water, and the cleaning and lubricating effects of bubble water make it less likely for scale to form on the inner wall of the pipe, thus increasing the lifespan of the system.

[0116] (2) By utilizing the system depressurization and the Venturi jet principle, a large number of air bubbles are generated from the outside, achieving the effect of deep cleaning of the underfloor heating pipes;

[0117] (3) The ingenious structural design combines the microbubble generating device with the water distributor. Installing the water distributor 10 provided by this invention is equivalent to installing a cleaning system. No other resources need to be invested in subsequent floor heating cleaning.

[0118] (4) The operation is simple. The cleaning system can be controlled by simply controlling the opening and closing of the drain valve 5. No parts need to be disassembled, and the system has a longer service life.

[0119] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A water separator with a cleaning function, characterized by comprising: The shell and a plurality of micro-bubble devices arranged on the shell are included; Each of the micro-bubble devices includes an air inlet assembly and a water inlet assembly; The air inlet assembly includes a first body, a pressure-sensitive one-way valve and an air guide pipe; the first body is sequentially provided with a first installation cavity, a second installation cavity and a third installation cavity in the length direction, and the direction from the first installation cavity to the third installation cavity is a fluid flow direction; the pressure-sensitive one-way valve is arranged in the first installation cavity, one end of the air guide pipe is arranged in the second installation cavity and communicates with the pressure-sensitive one-way valve, and the other end of the air guide pipe extends through the third installation cavity; a first water inlet is arranged on the corresponding side wall of the first body and the third installation cavity. The water inlet assembly includes a second body and a first bubble generator; the second body is installed on the shell, and the second body is sleeved outside the first body; the first bubble generator is arranged in the second body; the first bubble generator has a first installation port located in the middle part; the air guide pipe is inserted into the first installation port; a plurality of first water mixing holes are arranged around the first installation port of the first bubble generator; in the fluid flow direction, the hole diameter of the first water mixing hole first decreases and then increases; each of the first water mixing holes has at least one spiral flow channel; the spiral flow channel is located downstream of the smallest inner diameter of the first water mixing hole; a first water mixing cavity is arranged on the first bubble generator and communicates with the end of the air guide pipe; the first water mixing cavity communicates with each of the first water mixing holes; a second water inlet is arranged on the second body; rotating the first body around the circumference of the first body can make the first water inlet coincide with the second water inlet or not coincide with the second water inlet at all. In the fluid flow direction, the first water inlet and the second water inlet are located upstream of the first bubble generator; an end of the second body is provided with a fluid outlet, and the fluid outlet is located downstream of the second water inlet; The second water inlet communicates with the inner cavity of the shell; a water pipe connecting port is arranged on the shell and communicates with the inner cavity of the shell.

2. The water segregator with cleaning function according to claim 1, characterized in that, The first bubble generator includes an upper flow channel block, a lower flow channel block and a rubber connecting sleeve; The first installation port is arranged in the middle part of the upper flow channel block; a plurality of flow guide holes are arranged around the first installation port; the lower flow channel block is provided with a plurality of rotational flow holes; each of the plurality of flow guide holes communicates with the plurality of rotational flow holes one by one; the rubber connecting sleeve is sleeved outside the upper flow channel block and the lower flow channel block to connect the two; in the fluid flow direction, the upper flow channel block is located upstream of the lower flow channel block.

3. The water segregator with cleaning function according to claim 2, characterized in that, At least one of the following features (1)~(4) is further included: (1) In the fluid flow direction, from upstream to downstream, the leading end of the flow guide hole is in the shape of a bell mouth, and the inner diameter gradually decreases; the trailing end of the rotational flow hole is in the shape of a bell mouth, and the inner diameter gradually increases. (2) One side of the upper flow channel block close to the lower flow channel block is provided with an embedded ring around each guide hole, and one side of the lower flow channel block close to the upper flow channel block is provided with an embedded groove at the position corresponding to the cyclone hole, so that the guide hole is connected with the corresponding cyclone hole by embedding each embedded ring into one embedded groove; (3) The upper flow channel block is provided with a sealing ring installation groove around the first installation port and communicating with the first installation port, and the sealing ring installation groove is provided with a sealing ring, and the sealing ring is sleeved on the outer wall of the air guide pipe; (4) The outer wall of the upper flow channel block close to the lower flow channel block is provided with a first connecting groove, and the outer wall of the lower flow channel block close to the upper flow channel block is provided with a second connecting groove, and the first connecting groove and the second connecting groove are spliced to form an annular installation groove; The rubber connecting sleeve is sleeved in the annular installation groove; The end of the first connecting groove away from the second connecting groove is a first V-shaped groove with a greater depth, and the end of the second connecting groove away from the first connecting groove is a second V-shaped groove with a greater depth, and the inner walls of the opposite ends of the rubber connecting sleeve have V-shaped protrusions, which are embedded in the first V-shaped groove and the second V-shaped groove respectively when the rubber connecting sleeve is sleeved in the annular installation groove.

4. The water segregator with cleaning function according to claim 1, characterized in that, The water inlet assembly further comprises a second bubble generator, the second bubble generator is arranged in the third installation cavity, the second bubble generator has a second installation port in the middle, the air guide pipe passes through the second installation port, the second bubble generator is provided with a plurality of second water mixing holes around the second installation port, the hole diameter of the second water mixing hole first decreases and then increases, each second water mixing hole has at least one spiral flow channel, and the spiral flow channel is located downstream of the position where the inner diameter of the second water mixing hole is smallest; The second bubble generator is further provided with a second water mixing cavity, the side wall of the part of the air guide pipe located in the third installation cavity is provided with a plurality of air holes, each air hole is communicated with the second water mixing cavity, and the second water mixing cavity is communicated with each second water mixing hole; The first main body is further provided with a third water inlet, and the second main body is further provided with a fourth water inlet; rotating the first main body along the circumference of the first main body can make the third water inlet and the fourth water inlet coincide or not coincide at all; In the fluid flow direction, the third water inlet, the second bubble generator, the first water inlet and the first bubble generator are sequentially arranged; The fourth water inlet is communicated with the inner cavity of the shell.

5. The water segregator with cleaning function according to claim 4, characterized in that, The first main body is provided with a limiting groove on the inner wall corresponding to the third installation cavity, and the micro-bubble device further comprises a snap ring with a notch, the snap ring is arranged at the limiting groove, the inner diameter of the snap ring is smaller than the diameter of the second bubble generator, and the snap ring is used for limiting the second bubble generator in the axial direction.

6. The water segregator with cleaning function according to claim 1, characterized in that, The pressure-sensitive one-way valve comprises a valve cover, an upper sealing washer, a valve shell, a valve head, a spring and a lower sealing washer; The middle part of the valve cover is provided with an air port, the outer periphery of the valve cover is connected with the inner wall of the end part of the first body, the valve shell is arranged in the first installation cavity, the upper sealing gasket is clamped and limited by the valve cover and the valve shell, the inner diameter of the first installation cavity is larger than the inner wall of the second installation cavity, and a stepped surface is formed at the transition of the two, and the lower sealing gasket is clamped between the valve shell and the stepped surface; The valve shell comprises an outer shell, a connecting ring and an installation pipe, the outer edge of the connecting ring is connected with the outer shell, and the inner edge is connected with the installation pipe; The valve head comprises a plug and an installation tail arranged coaxially, the diameter of the plug is larger than the inner diameter of the upper sealing gasket, the installation tail is inserted into the installation pipe, and there is a ventilation gap between the installation tail and the inner wall of the installation pipe, the spring is sleeved outside the installation pipe, one end of the spring abuts against the connecting ring, and the other end abuts against the plug; When the pressure-sensitive one-way valve is closed, the spring is elongated, so that the plug abuts against the upper sealing gasket; when the pressure-sensitive one-way valve is opened, the spring is shortened, and the air port, the valve shell, the ventilation gap and the second installation cavity are communicated.

7. The water segregator with cleaning function according to claim 6, characterized in that, The micro-bubble device further comprises an air filtering member arranged in the second installation cavity between the valve shell and the air guide pipe.

8. The water segregator with cleaning function according to claim 7, characterized in that, The air guide pipe comprises a large-end part and a pipe body part connected with each other; The large-end part is arranged in the second installation cavity, the air filtering member is arranged between the valve shell and the large-end part, and the first body is provided with a rubber pad at the cavity wall away from the first installation cavity corresponding to the second installation cavity, and the rubber pad is sleeved outside the pipe body part.

9. The water segregator with cleaning function according to claim 1, characterized in that, The micro-bubble device further comprises a cutting net assembly arranged at the fluid outlet; The cutting net assembly comprises a plurality of cutting nets, and the mesh number of the plurality of cutting nets gradually increases in the fluid flow direction.

10. A floor heating water distribution system, characterized in that, The water inlet pipe, the water distributor, the water collector, the water return pipe and the drain valve are arranged; The water inlet pipe is in communication with the water pipe connecting port of the water distributor; The number of the micro-bubble devices arranged on the water distributor is the same as the number of the water inlets arranged on the water collector, the fluid outlet of each micro-bubble device is in communication with one water inlet of the water collector through a pipeline, and the end of the water collector is provided with a drain valve; Alternatively, the floor heating water distribution system further comprises a controller, the drain valve and each micro-bubble device are in communication connection with the controller, the controller can control the opening and closing of the drain valve or the rotation of the first body of the micro-bubble device.

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