Water pressure to gas pressure control device, flexible intercepting device control system

Abstract

This invention discloses a water pressure to air pressure control device and a flexible interception device control system. The water pressure to air pressure control device includes a diversion component and a water storage chamber. The diversion component branches the rainwater downpipe from one rainwater channel into at least two rainwater channels, one of which connects to the bottom of the water storage chamber. The water storage chamber connects to the pressure storage chamber of the flexible interception device, and a rainwater sensor switch is also installed in the water storage chamber. During the process of rainwater accumulation in the water storage chamber, the signal generated by the closure of the rainwater sensor switch can wake up the control system of the flexible interception device, and the air in the water storage chamber is compressed into the pressure storage chamber of the flexible interception device, so that the flexible interception device can be closed. During the process of rainwater being drained from the water storage chamber, the air in the pressure storage chamber of the flexible interception device flows back to the water storage chamber, so that the flexible interception device can be opened. The signal generated by the opening of the rainwater sensor switch causes the control system of the flexible interception device to switch to a dormant mode.

Description

Technical Field

[0001] This invention relates to the field of drainage, and in particular to a water pressure to air pressure control device and a flexible interception device control system. Background Technology

[0002] Flexible flow-blocking devices are used in the drainage field to close or open drainage pipes. For example, the patent with patent number 202022796182.1, "A Flexible Flow Diversion Device and a Pipeline System with the Flexible Flow Diversion Device," discloses various implementation forms and application scenarios of flexible flow-blocking devices.

[0003] Existing technologies typically use gas stations to provide power for flexible interception devices, but the configuration and control of these stations are relatively complex. When multiple flexible interception devices need to be installed in an area, each device requires a gas station, resulting in high costs. Patent application number 202220691488.7, "Air Pressure Control Components, Interception Equipment, and Drainage System," collects rainwater through rainwater downpipes and converts the air pressure in a storage chamber to power the flexible interception device. This solution reduces the overall cost of the flexible interception device control system. To ensure the reliability of this solution, providing a control cabinet is a more appropriate approach. In practice, mains power, solar energy, or a combination of both are commonly used to power the flexible interception device control system. To meet low-carbon requirements, reducing energy consumption is a trend for flexible interception devices. Especially with solar energy, solar panels are typically required. If the power consumption of the flexible interception device can be reduced, the size of the solar panels can also be reduced, lowering costs. Summary of the Invention

[0004] In order to partially achieve the above objectives.

[0005] The first aspect of the present invention provides a water pressure to air pressure control device.

[0006] The water pressure to air pressure control device is used to control the opening and closing of the flexible interception device. The flexible interception device has a pressure storage chamber, which can realize the opening and closing of the flexible interception device under pressure. The water pressure to air pressure control device includes a diversion component and a water storage chamber. The diversion component has an inlet end and at least two outlet ends. The diversion component is connected to the rainwater downpipe, so that the rainwater downpipe branches from one rainwater channel into at least two rainwater channels, one of which is connected to the bottom of the water storage chamber. The water storage chamber is a sealed container with an exhaust port and a drain port. The exhaust port is used to supply the air pressure required when the flexible interception device is closed, and the drain port is used to discharge the rainwater stored in the water storage chamber. The water storage chamber is also equipped with a rainwater sensor switch, which is used to trigger the signal required to wake up the controller.

[0007] Preferably, the bottom of the water storage chamber is provided with a sloping water inlet trough, and the outlet of a rainwater channel connected to the water storage chamber is connected to the sloping water inlet trough from the outside of the water storage chamber.

[0008] Preferably, the rainwater sensor switch is disposed in the sloping water inlet trough.

[0009] Preferably, the drain outlet of the water storage chamber is located at the lowest point of the sloping groove, and an electrically controlled valve is provided at the drain outlet of the water storage chamber.

[0010] Preferably, a one-way valve is provided at the vent of the water storage chamber.

[0011] Preferably, a filter device is installed at the inlet of one of the rainwater channels connected to the water storage chamber.

[0012] Preferably, the filtration device is any one of filter cloth, filter membrane, filter carbon bag, filter sand bag, and filter screen.

[0013] Preferably, the mesh of the filter screen has a set tilt angle and is tilted in the direction away from the water flow.

[0014] A second aspect of the invention provides a control system for a flexible flow interception device.

[0015] The flexible interception device control system includes a water pressure to air pressure control device, a flexible interception device, and a control cabinet as described in the first aspect; the exhaust port of the water pressure to air pressure control device is connected to the pressure storage chamber of the flexible interception device through an air pipe; the rainwater sensor switch of the water pressure to air pressure control device is electrically connected to the control cabinet; during the process of accumulating rainwater in the storage chamber, the signal generated by the closure of the rainwater sensor switch can wake up the flexible interception device control system, and the air in the storage chamber is squeezed into the pressure storage chamber of the flexible interception device, so that the flexible interception device can be closed; during the process of draining rainwater from the storage chamber, the air in the pressure storage chamber of the flexible interception device flows back to the storage chamber, so that the flexible interception device can be opened, and the signal generated by the opening of the rainwater sensor switch causes the flexible interception device control system to switch to sleep mode.

[0016] Optionally, a battery and a solar panel are provided, with the battery electrically connected to the control cabinet and the solar panel electrically connected to the battery.

[0017] In the above solution, the diversion component of the water pressure to air pressure control device branches the rainwater downpipe from one rainwater channel into two. During rainfall, rainwater flowing from the building roof through the rainwater downpipe retains its original function while also allowing rainwater to enter the storage chamber. The rising water level in the storage chamber generates water pressure, which forces the air in the storage chamber into the pressure storage chamber of the flexible interception device. When the water level in the rainwater downpipe reaches a set height, the converted air pressure causes the flexible interception device to completely shut off. This solution utilizes existing resources to replace gas stations, simplifying configuration and reducing costs.

[0018] Typically, the control system of a flexible flow interceptor only performs tasks frequently during rain. This solution enables the control system of the flexible flow interceptor to be in a low-power state on non-rainy days, and only to be activated when it rains, thus achieving the effects of saving energy and reducing costs. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this specification or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 Schematic diagram of water pressure to air pressure control component Figure 1 ;

[0021] Figure 2 , Figure 1 AA section view;

[0022] Figure 3 , Figure 2 Enlarged view of a portion of the image;

[0023] Figure 4 Control component diagram Figure 2 ;

[0024] Figure 5 , Figure 4 Enlarged view of a portion of the image (b);

[0025] Figure 6 , Figure 4 Enlarged view of a portion of the image (c);

[0026] Figure 7 Schematic diagram of a filter screen.

[0027] Reference numerals: 11 - water inlet end of the flow - splitting component, 12 - first water outlet end of the flow - splitting component, 13 - second water outlet end of the flow - splitting component, 131 - water outlet, 21 - water storage cavity, 211 - slope - shaped water inlet groove, 212 - exhaust port, 31 - float switch, 41 - electric control valve, 51 - check valve, 61 - filter screen, 71 - control cabinet. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of this specification will be clearly and completely described in conjunction with the attached drawings in the embodiments of this specification. Obviously, the described embodiments are only relatively preferred embodiments. In this embodiment, a camera is used as an example for detailed description. Based on the embodiments in this specification, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of this invention.

[0029] In this application, the "flexible throttling device" is a device with an elastic deformation member, and usually uses the elastic deformation of a rubber member to realize the opening and closing of the channel.

[0030] In this application, "open" in "opening and closing" means "to open", and "close" means "to close".

[0031] In this application, the "pressure - accumulating cavity" is not limited to the following implementation manners: For example, the flexible throttling device is composed of a metal outer cylinder and a rubber member fitted inside the metal outer cylinder, and a pressure - accumulating cavity can be formed between the metal outer cylinder and the rubber member; Another example is that the flexible throttling device is integrally formed by a double - layer - structured rubber member, and a pressure - accumulating cavity can be formed between the layer - to - layer structures of the rubber member; Another example is that the rubber member is directly fitted and fixed in the pipeline, and a pressure - accumulating cavity can be formed between the rubber member and the pipeline; This application does not make any limitations in this regard, as long as it can provide a containing cavity for the elastic deformation of the flexible throttling device, it is within the scope of protection of this invention.

[0032] In this application, the "flow - splitting component" includes but is not limited to a three - way pipe or a box - shaped body with three - way functions. The "three - way pipe" is a three - way pipe well - known to those of ordinary skill, including but not limited to T - shaped three - way, Y - shaped three - way, and L - shaped three - way. The "flow - splitting component" can be set at the cut - off point of the rainwater riser and connected to it. In short, as long as it can enable the rainwater riser to have at least two outlet channels, it is within the scope of protection of this application.

[0033] In this application, the "rainwater induction switch" includes but is not limited to a float switch and a proximity switch that can sense rainwater; including but not limited to Hall - type, inductive, and capacitive types. For example: The float switch can trigger a closing signal under the action of buoyancy and a disconnection signal under the action of gravity. The proximity switch can trigger a closing signal when sensing the water pressure and a disconnection signal when the water pressure disappears.

[0034] Modern buildings typically have rainwater downpipes installed to collect and discharge rainwater during rainfall. In this application, "rainwater downpipe" can refer to an existing rainwater downpipe already present in the building, or a substitute for a rainwater downpipe installed next to the building by those skilled in the art to facilitate the function of a flexible interception device.

[0035] In this application, "first" and "second" do not indicate order or importance, but are only used to distinguish components with the same or similar functional attributes.

[0036] In this application, "operating mode" refers to the operating mode of the controller in the control cabinet of the flexible flow interception device control system; the "dormant mode" refers to the "dormant mode" of the controller in the control cabinet of the flexible flow interception device control system.

[0037] In some applications, flexible interception devices only need to be shut off during rain. For example, in the renovation of combined sewer systems in old urban areas, a feasible approach is to adopt a staggered rainwater and sewage separation solution. This involves converting septic tanks in the community into buffer tanks and installing flexible interception devices at the outlet of the buffer tanks. On non-rainy days, the flexible interception device is opened to discharge domestic sewage normally; during rain, the device is closed, allowing domestic sewage to be temporarily stored, and only rainwater is discharged into the combined sewer; when the rain stops, the device is reopened to discharge the domestic sewage from the buffer tank, thus achieving the purpose of staggered discharge. In existing environments, buildings are already equipped with rainwater downpipes for discharging rainwater from the building roofs.

[0038] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings (the flexible flow interception device is not shown in the drawings) of the embodiments in this specification. Obviously, the described embodiments are merely preferred embodiments. All other embodiments obtained by those skilled in the art based on the embodiments in this specification are within the scope of protection of the present invention.

[0039] Combination Figures 1 to 2 As shown, the water pressure to air pressure control device includes a diversion component and a water storage chamber 21. The diversion component has an inlet end 11, a first outlet end 12, and a second outlet end 13. The diversion component is connected to the rainwater downpipe at a preset height, causing the rainwater downpipe to branch from one rainwater channel into two rainwater channels. One of the rainwater channels connects to the bottom of the water storage chamber 21, while the other channel retains the rainwater downpipe's drainage function. The water storage chamber 21 is a sealed container with an exhaust port 212 and a drain outlet. The exhaust port 212 is used to supply the air pressure required when the flexible interception device is closed, and the drain outlet is used to discharge the rainwater stored in the water storage chamber 21. The water storage chamber 21 is also equipped with a float switch 31 for activating the flexible interception device control system.

[0040] In feasible implementations, the pressure generated by rainwater is related to the height of rainwater accumulated in the channel where the second outlet 13 is located. The smaller the pipe diameter of the channel where the second outlet 13 is located, the more conducive it is to establishing pressure, while the larger the pipe diameter, the faster the rainwater flow rate and the faster the water pressure is converted into air pressure. For those skilled in the art, the setting of the pipe diameter of the channel where the second outlet 13 is located and the setting of the height of the diversion component on the rainwater riser can be combined with comprehensive factors such as the roof water collection data of the area to be controlled, the working pressure of the flexible interception device, and the closing speed of the flexible interception device. This application does not limit this.

[0041] In feasible implementations, the rainwater sensing switch used to activate the flexible interception device control system in this application includes, but is not limited to, float switches and proximity switches; including but not limited to Hall effect switches, inductive switches, and capacitive switches. A specific embodiment of this application uses a float switch for illustration. Float switches have the advantages of simple structure, no complex circuitry, and no need for a power supply.

[0042] In a feasible implementation, the channel where the second water outlet 13 is located can penetrate from the top of the water storage chamber 21 into the inner wall of the water storage chamber 21 near the bottom of the water storage chamber 21. Alternatively, it can be connected to the bottom of the water storage chamber 21 from the outside in a non-penetrating manner.

[0043] Combination Figure 2 and Figure 3 The diagram shows a specific embodiment where the external of the water storage chamber 21 is not penetrated but connected to the bottom of the water storage chamber 21. A sloping inlet channel 211 is provided at the bottom of the water storage chamber 21. The outlet 131 of a rainwater channel connected to the water storage chamber 21 communicates with the sloping inlet channel 211 from the outside of the water storage chamber 21. After being diverted by a diversion component, a portion of the rainwater enters the water storage chamber 21 through this outlet 131. In the embodiment where the channel containing the second outlet 13 penetrates into the interior of the water storage chamber 21 from the top, the space between the outlet of the second outlet 13 and the bottom of the water storage chamber 21 is an ineffective space for water pressure to air pressure conversion. This embodiment has a smaller ineffective space, improving the efficiency of water pressure to air pressure conversion.

[0044] Combination Figure 2 and Figure 3 As shown, the float switch 31 is installed in the sloping inlet trough 211. When the float switch 31 is closed under the buoyancy of rainwater, it can trigger a signal. Upon receiving the signal triggered by the float switch 31, the control cabinet 71 wakes up the flexible interception device control system from the sleep mode to the working mode.

[0045] In some feasible implementations, the drain outlet of the water storage chamber 21 is much smaller than the inlet of the water storage chamber 21. Therefore, during rainfall, the water inflow rate into the water storage chamber 21 is greater than the drainage rate, allowing the water storage chamber 21 to store rainwater and form a water seal on the drain outlet, ensuring the airtightness of the water storage chamber 21. When the rain stops, the water storage chamber 21 no longer continuously inflows water, but only drains. This method is more energy-efficient and environmentally friendly, but the control precision is lower because the drain outlet is small and prone to clogging. Moreover, the drainage speed is too slow, which may affect the normal opening of the drainage pipe by the flexible interception device.

[0046] In another feasible implementation, the drain outlet of the water storage chamber 21 is located at the lowest point of the sloping groove 211, and an electrically controlled valve 41 is installed at the drain outlet of the water storage chamber 21. Before the flexible interception device is closed again, the electrically controlled valve opens the drain outlet of the water storage chamber 21 to drain the rainwater accumulated in the water storage chamber 21, which can precisely control the flexible interception device to return to the open state.

[0047] To prevent rainwater from overflowing from the water storage chamber 21 into the pressure storage chamber of the flexible interception device during heavy rainfall, a one-way valve 51 is installed at the vent 212 of the water storage chamber 21. Combined with... Figure 4 and Figure 5 The diagram shows a feasible implementation. Typically, the vent 212 is located at the top of the water storage chamber 21. A one-way valve 51 is connected between the vent 212 and the water storage chamber 21. When the water level in the water storage chamber 21 reaches the vent 212, the one-way valve 51 closes the vent passage, preventing rainwater in the water storage chamber 21 from entering the pressure storage chamber of the flexible interception device.

[0048] In some feasible implementations, a filtration device is installed at the inlet of a rainwater channel connected to the water storage chamber 21. The filtration device includes, but is not limited to, filtration methods familiar to general technicians, such as filter cloth, filter membrane, filter carbon bag, filter sand bag, and filter screen. The filtration device can reduce the risk of clogging of the water pressure to air pressure control device.

[0049] Combination Figure 4 , 6 Figure 7 shows one embodiment of the filtration device. Specifically, as shown... Figure 7 The diagram shows a filter structure (partially shaded to indicate the mesh openings) with a set tilt angle. Used in a flow divider assembly, the mesh is tilted away from the direction of water flow. While this type of mesh structure is typically used in the construction industry as an architectural decoration, it functions as a filter in this application. This filter does not obstruct water flow while preventing impurities larger than the mesh openings from passing through. It also generates an outward impact force on impurities, preventing them from sticking to the filter and achieving a self-cleaning effect.

[0050] In some feasible implementations, the flexible flow control system (not fully shown in the figure) includes a water pressure to air pressure control device, a flexible flow control device, and a control cabinet; the exhaust port of the water pressure to air pressure control device is connected to the pressure storage chamber of the flexible flow control device through an air pipe; the float switch of the water pressure to air pressure control device is electrically connected to the control cabinet.

[0051] During the process of accumulating rainwater in the water storage chamber 21, the signal generated by the closing of the float switch can wake up the control system of the flexible interception device. The air in the water storage chamber 21 is squeezed into the pressure storage chamber of the flexible interception device, so that the flexible interception device can be closed. During the process of draining rainwater from the water storage chamber 21, the air in the pressure storage chamber of the flexible interception device flows back to the water storage chamber 21, so that the flexible interception device can be opened. The signal generated by the opening of the float switch causes the control system of the flexible interception device to switch to sleep mode.

[0052] Typically, the control system of a flexible flow interceptor only performs tasks frequently during rain. This solution enables the control system of the flexible flow interceptor to be in a low-power state on non-rainy days, and only to be activated when it rains, thus achieving the effects of saving energy and reducing costs.

[0053] In some feasible implementations, a battery and a solar panel are used, with the battery electrically connected to the control cabinet and the solar panel electrically connected to the battery. Reducing power consumption allows for a smaller size of the solar panel, thus lowering costs.

Claims

1. A water pressure to air pressure control device for controlling the opening and closing of a flexible flow-blocking device, wherein the flexible flow-blocking device has a pressure-accumulating chamber, and the pressure-accumulating chamber can realize the opening and closing of the flexible flow-blocking device under pressure, characterized in that... The water pressure to air pressure control device includes a flow distribution component and a water storage chamber, wherein: The diversion component has an inlet end and at least two outlet ends. The diversion component is connected to the rainwater downpipe, so that the rainwater downpipe branches from one rainwater channel into at least two rainwater channels, one of which is connected to the bottom of the water storage chamber. The water storage chamber is a sealed container with an exhaust port and a drain port. The exhaust port is used to supply the air pressure required when the flexible interception device is closed, and the drain port is used to discharge the rainwater stored in the water storage chamber. The water storage chamber is also equipped with a rainwater sensor switch, which is used to trigger the signal required to wake up the controller.

2. The water pressure to air pressure control device as described in claim 1, characterized in that: The bottom of the water storage chamber is provided with a sloping inlet trough, and the outlet of a rainwater channel connected to the water storage chamber is connected to the sloping inlet trough from the outside of the water storage chamber.

3. The water pressure to air pressure control device as described in claim 2, characterized in that: The rainwater sensor switch is installed in the sloping water inlet trough.

4. The water pressure to air pressure control device as described in claim 2, characterized in that: The drain outlet of the water storage chamber is located at the lowest point of the sloping water inlet channel, and an electrically controlled valve is installed at the drain outlet of the water storage chamber.

5. The water pressure to air pressure control device as described in claim 1, characterized in that: A one-way valve is installed at the vent of the water storage chamber.

6. The water pressure to air pressure control device as described in claim 1, characterized in that: A filter device is installed at the inlet of one of the rainwater channels connected to the water storage chamber.

7. The water pressure to air pressure control device as described in claim 6, characterized in that: The filtration device is any one of filter cloth, filter membrane, filter carbon bag, filter sand bag, and filter screen.

8. The water pressure to air pressure control device as described in claim 7, characterized in that: The filter screen has a set tilt angle and is tilted in the direction away from the water flow.

9. A flexible flow interception device control system, characterized in that, include: The water pressure to pneumatic pressure control device, the flexible flow interceptor, and the control cabinet are as described in any one of claims 1 to 8; the exhaust port of the water pressure to pneumatic pressure control device is connected to the pressure storage chamber of the flexible flow interceptor via an air pipe; the rainwater sensor switch of the water pressure to pneumatic pressure control device is electrically connected to the control cabinet. During the process of accumulating rainwater in the water storage chamber, the signal generated by the closing of the rainwater sensor switch can wake up the control system of the flexible interception device. The air in the water storage chamber is squeezed into the pressure storage chamber of the flexible interception device, causing the flexible interception device to close. During the process of draining rainwater from the water storage chamber, the air in the pressure storage chamber of the flexible interception device flows back into the water storage chamber, causing the flexible interception device to open. The signal generated by the opening of the rainwater sensor switch causes the control system of the flexible interception device to switch to sleep mode.

10. The flexible flow-blocking device control system as described in claim 9, characterized in that, Also includes: The battery and solar panel are electrically connected; the battery is electrically connected to the control cabinet, and the solar panel is electrically connected to the battery.

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