A roof rainwater collection and purification system and a rainwater collection and purification method thereof

Abstract

The application discloses a roof rainwater collection and water quality purification system, which comprises a solar panel power supply device, a waterproof electric blanket, a preliminary rain and snow water treatment device, a water storage tank, a purified water tank, a water quality detection device one, a water quality detection device two and a controller; the waterproof electric blanket, the preliminary rain and snow water treatment device, the water storage tank and the purified water tank are sequentially connected through pipelines; a water flow collecting groove is arranged on the waterproof electric blanket; the water flow collecting groove is arranged on the waterproof electric blanket in a spiral winding form with the center point of the waterproof electric blanket as the center, and water flow is collected from the center of the waterproof electric blanket to the outside; the controller controls the preliminary rain and snow water treatment device to work according to the detected water quality data; when the water quality is poor, the preliminary rain and snow water treatment device directly discharges rainwater; and the water tank purifies the water in the water storage tank and then supplies the purified water to users. The application has high automation degree, can automatically purify rainwater and improves the utilization rate of rainwater.

Description

Technical Field

[0001] This invention relates to the technical field of rooftop rainwater harvesting and utilization, specifically to a rooftop rainwater collection and water purification system. Background Technology

[0002] Currently, there are very few rainwater harvesting solutions for snowfall conditions in Northeast China. Furthermore, the existing methods for rooftop rainwater harvesting and water treatment are outdated. Most rainwater harvesting and treatment systems require manual control of the rainwater collection volume, resulting in a high failure rate in the later stages. The collected rainwater has an insignificant water quality treatment effect, the water treatment process is complex, and the operation and maintenance costs are high, making it difficult to promote in the market. Summary of the Invention

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the outdated methods and approaches used in the existing roof rainwater collection and water treatment technologies, and the fact that most rainwater collection and treatment systems require manual control of the amount of rainwater collected, thereby providing a roof rainwater collection and water purification system.

[0004] A rooftop rainwater harvesting and water purification system includes: a solar panel power supply device, a waterproof electric heating blanket, an initial rainwater and snowmelt treatment device, a water storage tank, a purified water tank, a water quality testing device 1, a water quality testing device 2, and a controller; the waterproof electric heating blanket, the initial rainwater and snowmelt treatment device, the water storage tank, and the purified water tank are connected in sequence via pipes.

[0005] The solar panel power supply device provides power to the waterproof electric blanket, the first water quality testing device, the second water quality testing device, the controller, the initial rainwater and snowmelt treatment device, and the purified water tank;

[0006] The waterproof electric heating blanket is installed on the roof. A water flow collection channel is provided on the waterproof electric heating blanket. The collection channel is arranged in a spiral circle around the center point of the waterproof electric heating blanket. The water flow gathers from the center of the waterproof electric heating blanket to the outside.

[0007] The water quality testing device is installed on the collection trough on the waterproof electric heating blanket and is used to test the water quality of rainwater in the collection trough.

[0008] The controller controls the operation of the initial rainwater and snowmelt treatment device based on the water quality data detected by the water quality detection device. When the water quality is poor, the initial rainwater and snowmelt treatment device directly discharges the rainwater and does not collect it into the water storage tank.

[0009] The second water quality testing device is installed inside the purified water tank, which purifies the water in the storage tank before supplying it to the user.

[0010] Preferably, the spacing between the windings of the flow confluence channel is equal or unequal, and the windings are circular or square.

[0011] Preferably, the spacing between the loops of the manifold is unequal, and gradually increases or decreases outward from the center point.

[0012] Preferably, the waterproof electric blanket includes heating cables, which are respectively disposed in the left and right side walls of the manifold and spirally wound around the manifold.

[0013] Preferably, the waterproof electric heating blanket is conical, and the flow channel gradually slopes down from the head to the tail to facilitate water flow collection.

[0014] Preferably, the water quality testing device one and the water quality testing device two can detect water quality parameters, including water temperature, pH value, turbidity, dissolved oxygen and conductivity.

[0015] Preferably, the water quality detection device transmits the detected water quality parameters to the controller wirelessly.

[0016] Preferably, both the first and second water quality testing devices are buoy-type water quality testing devices, including a sensor, a signal conditioning circuit, a control chip, and a wireless transmission module connected in sequence; the sensor includes a pH composite electrode sensor, a scattered light sensor, a dissolved oxygen electrode, a platinum black conductive electrode, and a temperature sensor.

[0017] Preferably, the purified water tank includes ultraviolet glass lamp columns, which include a hollow glass column, ultraviolet LED light strips inside the hollow glass column, and a nano-titanium dioxide layer on the outer surface of the hollow glass column; the ultraviolet glass lamp columns are evenly arranged inside the water tank.

[0018] Preferably, the initial rainwater and snowmelt treatment device includes, from top to bottom, a rainwater runoff inlet pipe, a rainwater runoff collection pipe, an electric valve, and a rainwater runoff disposal pipe.

[0019] Preferably, the initial rainwater and snowmelt treatment device is installed on the outer surface of the wall, and the rainwater runoff collection pipe includes a pipe 1 that is inclined upward at the connection with the rainwater runoff inlet pipe, an arc pipe 2, and a pipe 3 that is inclined downward, which are connected in sequence. The pipe 3 that is inclined downward is connected to the water storage tank.

[0020] Preferably, a water pump is installed on the pipeline between the water storage tank and the purified water tank, and a water level sensor is installed in the purified water tank. When the water level in the purified water tank is lower than the minimum water level, the controller starts the water pump to deliver water into the purified water tank.

[0021] Preferably, the water quality detection device 2 transmits the detected water quality data to the controller. When the water quality fails to meet the preset water quality standard, the controller turns on the ultraviolet LED light strip to begin purifying the water.

[0022] Preferably, the water storage tank is equipped with a water level sensor. When the water level in the water storage tank is lower than a preset threshold, the water pump is turned off. When the water level in the water storage tank is lower than the preset threshold and the water level in the purified water tank is lower than the minimum water level, the controller opens the municipal water supply electric valve to supply water to the purified water tank.

[0023] Preferably, the solar panel power supply device includes a storage battery, in which the electrical energy generated by the solar panel power supply device is stored and used to supply power to the waterproof electric blanket, the first water quality testing device, the second water quality testing device, the controller, and the purified water tank.

[0024] Preferably, when the water quality detection device detects that the water temperature is lower than the preset temperature, the controller controls the heating cable to work.

[0025] Preferably, when the water quality detection device detects that the water temperature is below 4 degrees Celsius, the controller controls the heating cable to operate.

[0026] The technical solution of this invention has the following advantages: the roof rainwater collection and purification system can automatically select whether to collect rainwater based on the initial rainwater quality, and can automatically control the operation of the ultraviolet glass lamp column based on the water quality data in the purification tank. Furthermore, the use of ultraviolet glass lamp columns for water purification results in a simple structure and convenient maintenance. The roof rainwater collection and purification system can automatically activate the heating function of the waterproof electric blanket based on the rainwater temperature. The controller automatically replenishes water according to the water level in the purification tank. Therefore, the technical solution of this invention has a high degree of automation, is convenient to maintain, automatically purifies rainwater, improves rainwater utilization, and is energy-saving and environmentally friendly. Attached Figure Description

[0027] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0028] Figure 1 This is a system diagram of a roof rainwater harvesting and water purification system provided in the first embodiment of the present invention;

[0029] Figure 2 for Figure 1A schematic diagram of the flow manifold of the waterproof electric blanket shown;

[0030] Figure 3 for Figure 1 A top view of the purified water tank shown;

[0031] Figure 4 for Figure 3 The diagram shows the structure of the ultraviolet glass lamp column in the purified water tank.

[0032] Figure 5 for Figure 1 The diagram shows the structure of the initial rainwater and snowmelt treatment device.

[0033] Figure 6 This is a schematic diagram of the flow channel of the waterproof electric blanket provided in the second embodiment of the present invention;

[0034] Figure 7 This is a system diagram of a roof rainwater harvesting and water purification system provided in the third embodiment of the present invention;

[0035] Explanation of reference numerals in the attached figures:

[0036] 1-Solar panel power supply device; 2-Waterproof electric blanket; 3-Initial rain and snow water treatment device;

[0037] 4-Water storage tank; 5-Purified water tank; 21-Manifold; 22-Heating cable; 23-Roof;

[0038] 24 - Spacing between the rings of the roof; 31 - Rainwater runoff inlet pipe; 32 - Rainwater runoff collection pipe;

[0039] 33-Electric valve; 34-Rainwater runoff disposal pipe; 41-UV glass lamp post; 321-Pipe 1; 322-Arc pipe 2; 323-Pipe 3; 411-Terminal; 412-Base; 413-Hollow glass post; 414-UV LED light strip; 415-Nano titanium dioxide layer. Detailed Implementation

[0040] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0042] Example 1

[0043] like Figures 1-2 A rooftop rainwater harvesting and water purification system includes: a solar panel power supply device 1, a waterproof electric blanket 2, an initial rainwater and snowmelt treatment device 3, a water storage tank 4, a purified water tank 5, a water quality testing device one (not shown), a water quality testing device two (not shown), and a controller (not shown); the waterproof electric blanket 2, the initial rainwater and snowmelt treatment device 3, the water storage tank 4, and the purified water tank 5 are connected sequentially by pipes;

[0044] The solar panel power supply device 1 provides power to the waterproof electric blanket 2, the water quality testing device one, the water quality testing device two, the controller, the initial rain and snow water treatment device 3, and the purified water tank 4;

[0045] The waterproof electric heating blanket 2 is installed on the roof 23, and a water flow collection channel 21 is provided on the waterproof electric heating blanket 2.

[0046] The confluence channel 21 is arranged on the waterproof electric blanket 2 in a spiral manner around the center point of the waterproof electric blanket 2, and the water flow gathers from the center of the waterproof electric blanket 2 to the outside.

[0047] The water quality testing device is installed on the collection trough on the waterproof electric heating blanket and is used to test the water quality of rainwater in the collection trough.

[0048] The controller controls the operation of the initial rainwater and snowmelt treatment device 3 based on the water quality data detected by the water quality detection device. When the water quality is poor, the initial rainwater and snowmelt treatment device 3 directly discharges the rainwater and does not collect it into the water storage tank 4.

[0049] The second water quality testing device is installed inside the purified water tank 5. The purified water tank 5 purifies the water in the water storage tank 4 and then supplies it to the user.

[0050] Preferably, the spacing 24 between the loops of the flow confluence channel 21 is equal or unequal, and the loops are square with rounded transitions at the four corners.

[0051] Preferably, the spacing between the loops of the manifold is unequal, and gradually increases or decreases outward from the center point.

[0052] Preferably, the waterproof electric blanket 2 includes a heating cable 22, which is respectively disposed in the left and right side walls of the manifold 21 and spirally wound with the manifold 21.

[0053] Preferably, the water quality testing device one and the water quality testing device two can detect water quality parameters, including water temperature, pH value, turbidity, dissolved oxygen and conductivity.

[0054] Preferably, the water quality testing device one and the water quality testing device two transmit the detected water quality parameters to the controller wirelessly.

[0055] Preferably, both the first and second water quality testing devices are buoy-type water quality testing devices, including a sensor, a signal conditioning circuit, a control chip, and a wireless transmission module connected in sequence; the sensor includes a pH composite electrode sensor, a scattered light sensor, a dissolved oxygen electrode, a platinum black conductive electrode, and a temperature sensor.

[0056] Preferred, such as Figures 3-4 The purified water tank 4 includes an ultraviolet glass lamp post 41, which includes a terminal post 411, a base 412, a hollow glass post 413, an ultraviolet LED light strip 414 inside the hollow glass post 413, and a nano titanium dioxide layer 415 on the outer surface of the hollow glass post 413; the ultraviolet glass lamp post 41 is evenly arranged inside the purified water tank 4.

[0057] Preferred, such as Figure 5 The initial rainwater and snowmelt treatment device 3 includes a rainwater runoff inlet pipe 31, a rainwater runoff collection pipe 32, an electric valve 33, and a rainwater runoff disposal pipe 34, which are connected sequentially from top to bottom.

[0058] Preferably, the initial rainwater and snowmelt treatment device 3 is installed on the outer surface of the wall, and the rainwater runoff collection pipe 32 includes a pipe 321 that is inclined upward at the connection with the rainwater runoff inlet pipe 31, an arc pipe 322, and a pipe 323 that is inclined downward, and the pipe 323 that is inclined downward is connected to the water storage tank 4.

[0059] Preferably, a water pump (not shown) is installed on the pipeline between the water storage tank 4 and the purified water tank 5, and a water level sensor (not shown) is installed in the purified water tank 5. When the water level in the purified water tank 5 is lower than the minimum water level, the controller starts the water pump to deliver water to the purified water tank 5.

[0060] Preferably, the water quality detection device 2 transmits the detected water quality data to the controller. When the water quality fails to meet the preset water quality standard, the controller turns on the ultraviolet LED light strip and starts working to purify the water in the purification tank 5.

[0061] Preferably, a second water level sensor (not shown) is installed in the water storage tank 4. When the water level in the water storage tank 4 is lower than a preset threshold, the water pump is turned off. When the water level in the water storage tank 4 is lower than the preset threshold and the water level in the purified water tank 5 is lower than the minimum water level, the controller opens the municipal water supply electric valve (not shown) to supply water to the purified water tank 5.

[0062] Preferably, the solar panel power supply device 1 includes a storage battery (not shown), the electrical energy generated by the solar panel power supply device 1 is stored in the storage battery, and the storage battery provides power to the waterproof electric blanket 2, the water quality testing device one, the water quality testing device two, the controller, the initial rain and snow water treatment device 3 and the purified water tank.

[0063] Preferably, when the water quality detection device detects that the water temperature is lower than the preset temperature, the controller controls the heating cable 22 to operate.

[0064] Preferably, when the water quality detection device detects that the water temperature is below 4°C, the controller controls the heating cable 22 to operate.

[0065] Example 2

[0066] The water flow collection channel 21 of the waterproof electric blanket 2 in Example 1 is further improved, while other technical features remain the same. For example... Figure 6 The waterproof electric blanket 2 is provided with a water flow collection channel 21. The collection channel 21 is arranged in a spiral formation around the center point of the waterproof electric blanket 2, with water flowing outwards from the center. Furthermore, the spacing 24 between the spirals of the collection channel 21 may be equal or unequal, and the spiral is circular. Furthermore, the spiral of the collection channel 21 conforms to the trend of an Archimedean spiral.

[0067] Example 3

[0068] The waterproof electric blanket 2 described in Example 1 or 2 is further improved, while other technical features remain the same.

[0069] like Figure 7 The waterproof electric heating blanket 2 is installed on the roof 23, and a water flow collection channel 21 is provided on the waterproof electric heating blanket 2.

[0070] The confluence channel 21 is arranged on the waterproof electric blanket 2 in a spiral manner around the center point of the waterproof electric blanket 2, and the water flow gathers from the center of the waterproof electric blanket 2 to the outside.

[0071] Preferably, the spacing between the loops of the manifold is unequal, and gradually increases or decreases outward from the center point.

[0072] Preferably, the waterproof electric blanket 2 includes a heating cable 22, which is respectively disposed in the left and right side walls of the manifold 21 and spirally wound with the manifold 21.

[0073] Preferably, the waterproof electric blanket 2 is conical or tetrahedral, and the flow channel gradually slopes down from the head at the center to the tail at the side of the waterproof electric blanket 2 to facilitate the water flow from the inside to the outside.

[0074] Example 4

[0075] The method for collecting and purifying rainwater in any of the roof rainwater harvesting and water purification systems in Examples 1-3 is as follows:

[0076] When it rains, snows, or hails, turn on the roof rainwater collection and water purification system and the system will start working.

[0077] When the water quality testing device detects that the water temperature is below 4°C, the controller turns on the switch of the waterproof electric blanket 2, and the heating cable 22 starts to work. When the water quality testing device detects that the water temperature is greater than or equal to 4°C, the controller turns off the switch of the waterproof electric blanket 2 or keeps the switch of the waterproof electric blanket 2 in the off state.

[0078] When the water quality testing device detects that the pH value, turbidity, dissolved oxygen and / or conductivity do not meet the preset standards, the controller controls the opening of the electric valve 33 or keeps the electric valve 33 in the open state.

[0079] When the water quality testing device detects that the pH value, turbidity, dissolved oxygen and / or conductivity meet the preset standards, the controller controls the electric valve 33 to close or keeps the electric valve 33 in the closed state.

[0080] When the water quality testing device 2 detects that the pH value, turbidity, dissolved oxygen and / or conductivity do not meet the preset standards, the controller controls the closing of the switch of the ultraviolet glass lamp column 41 or keeps the switch of the ultraviolet glass lamp column 41 in the energized closed state.

[0081] When the water quality testing device detects that the pH value, turbidity, dissolved oxygen and / or conductivity meet the preset standards, the controller controls the switch of the ultraviolet glass lamp column 41 to be turned off or keeps the switch of the ultraviolet glass lamp column 41 in the power-off state.

[0082] When the water level sensor detects that the water level in the purified water tank 5 is lower than the minimum water level, the controller starts the water pump to deliver water into the purified water tank 5.

[0083] When the water level sensor 2 detects that the water level in the water storage tank 4 is lower than the preset threshold, the water pump is turned off or the water pump is kept in the off state.

[0084] When the second water level sensor detects that the water level in the water storage tank 4 is lower than the preset threshold and the first water level sensor detects that the water level in the purified water tank 5 is lower than the minimum water level, the controller opens the municipal water supply electric valve (not shown) to supply water to the purified water tank 5.

[0085] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A rooftop rainwater harvesting and water purification system, characterized in that, include: Solar panel power supply device The system includes a waterproof electric blanket, an initial rainwater and snowmelt treatment device, a water storage tank, a purified water tank, a water quality testing device 1, a water quality testing device 2, and a controller; the waterproof electric blanket, the initial rainwater and snowmelt treatment device, the water storage tank, and the purified water tank are connected in sequence via pipes. The solar panel power supply device provides power to the waterproof electric blanket, the first water quality testing device, the second water quality testing device, the controller, the initial rain and snow water treatment device, and the purified water tank; The waterproof electric heating blanket is installed on the roof. A water flow collection channel is provided on the waterproof electric heating blanket. The collection channel is arranged in a spiral circle around the center point of the waterproof electric heating blanket. The water flow gathers from the center of the waterproof electric heating blanket to the outside. The controller controls the operation of the initial rainwater and snowmelt treatment device based on the water quality data detected by the water quality detection device. When the water quality is poor, the initial rainwater and snowmelt treatment device directly discharges the rainwater and does not collect it into the water storage tank. The water quality testing device is installed on the collection trough on the waterproof electric heating blanket and is used to test the water quality of rainwater in the collection trough. The second water quality testing device is installed inside the purified water tank, which purifies the water in the water storage tank and then supplies it to the user. The coil is circular or square; the waterproof electric blanket includes heating cables, which are respectively installed in the left and right side walls of the manifold and spirally wound around the manifold; the waterproof electric blanket is conical or tetrahedral, and the manifold gradually slopes down from the head at the center to the tail at the side of the waterproof electric blanket to facilitate the water flow from the inside to the outside.

2. The roof rainwater harvesting and water purification system according to claim 1, characterized in that, The spacing between the loops of the manifold may be equal or unequal.

3. The roof rainwater harvesting and water purification system according to claim 2, characterized in that, The spacing between the loops of the manifold is unequal, and gradually increases or decreases outward from the center point.

4. The roof rainwater harvesting and water purification system according to claim 1, characterized in that, The water quality testing device one and water quality testing device two can detect water quality parameters, including water temperature, pH value, turbidity, dissolved oxygen, and conductivity. Both water quality testing device one and water quality testing device two are buoy-type water quality testing devices, including sensors, signal conditioning circuits, control chips, and wireless transmission modules connected in sequence. The sensors include a pH composite electrode sensor, a scattered light sensor, a dissolved oxygen electrical sensor, a platinum black electrical conductivity sensor, and a temperature sensor.

5. The roof rainwater harvesting and water purification system according to claim 1, characterized in that, The purified water tank includes ultraviolet glass lamp columns, which consist of a hollow glass column, ultraviolet LED light strips inside the hollow glass column, and a nano-titanium dioxide layer on the outer surface of the hollow glass column; the ultraviolet glass lamp columns are evenly arranged inside the water tank.

6. The roof rainwater harvesting and water purification system according to claim 1, characterized in that, The initial rainwater and snowmelt treatment device includes, from top to bottom, a rainwater runoff inlet pipe, a rainwater runoff collection pipe, an electric valve, and a rainwater runoff disposal pipe.

7. The roof rainwater harvesting and water purification system according to claim 6, characterized in that, The initial rainwater and snowmelt treatment device is installed on the outer surface of the wall, and the rainwater runoff collection pipe includes components sequentially connected to the rainwater runoff... The water inlet pipe connection includes three types: an upward-sloping pipe (type 1), a curved pipe (type 2), and a downward-sloping pipe (type 3). The downward-sloping pipe... The third is connected to the aforementioned water storage tank.

8. A method for rainwater collection and purification in a roof rainwater harvesting and water purification system as described in any one of claims 6-7. When it rains, snows, or hails, turn on the roof rainwater collection and water purification system and the system will start working. When the water quality testing device detects that the water temperature is below 4°C, the controller turns on the switch of the waterproof electric blanket, and the heating cable starts to work. When the water quality testing device detects that the water temperature is greater than or equal to 4°C, the controller turns off the switch of the waterproof electric blanket or keeps the switch of the waterproof electric blanket in the off state. When the water quality testing device detects that the pH value, turbidity, dissolved oxygen and / or conductivity do not meet the preset standards, the controller controls the opening of the electric valve or keeps the electric valve in the open state. When the water quality detection device detects that the pH value, turbidity, dissolved oxygen and / or conductivity meet the preset standards, the controller controls the electric valve to close or keeps the electric valve in the closed state. When the water quality testing device 2 detects that the pH value, turbidity, dissolved oxygen and / or conductivity do not meet the preset standards, the controller controls the closing of the ultraviolet glass lamp column or keeps the switch of the ultraviolet glass lamp column in the energized closed state. When the water quality testing device detects that the pH value, turbidity, dissolved oxygen and / or conductivity meet the preset standards, the controller controls the switch of the ultraviolet glass lamp column to be turned off or keeps the switch of the ultraviolet glass lamp column in the power-off state. When the water level sensor detects that the water level in the purified water tank is lower than the minimum water level, the controller starts the water pump to deliver water into the purified water tank. When the water level sensor detects that the water level in the reservoir is lower than a preset threshold, the water pump is turned off or kept in the off state. When the second water level sensor detects that the water level in the water storage tank is lower than a preset threshold and the first water level sensor detects that the water level in the purified water tank is lower than the minimum water level, the controller opens the municipal water supply electric valve to supply water to the purified water tank.

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