Rainwater collecting device for private courtyard

Abstract

The utility model discloses a rainwater collecting device for a private courtyard, which belongs to the technical field of rainwater collection and comprises a collecting frame, a water guide pipe arranged at the bottom of the collecting frame, a three-way joint mounted at the bottom of the water guide pipe, a drain pipe mounted at one end of the three-way joint, and a collecting barrel connected with the other end of the three-way joint. A precipitation assembly is arranged at the top of the collecting barrel, a buffer barrel is arranged at the bottom of the collecting barrel, a first guide pipe penetrates through the side face of the collecting barrel, the other end of the first guide pipe communicates with the buffer barrel, a sterilization assembly is arranged in the buffer barrel, a discharge pipe is installed on the side face of the buffer barrel, and first valves are installed on the discharge pipe and the first guide pipe; and rainwater collection and subsequent household gardening application can be realized.

Description

Technical Field

[0001] This utility model relates to the field of rainwater harvesting technology, and more specifically, to a rainwater harvesting device for private gardens. Background Technology

[0002] With rapid economic development and social progress, problems such as water scarcity, water pollution, and frequent rainwater runoff have become increasingly prominent. Rainwater, as the most economical water resource, plays a vital role in replenishing groundwater and improving and protecting the aquatic ecosystem. Therefore, rainwater harvesting is an important approach to the sustainable use of water resources.

[0003] Currently, most courtyard-style residences in my country are single-story houses with flat roofs, single-story houses with pitched roofs, duplex houses, and villas. These roofs have a relatively high runoff coefficient, which is beneficial for rainwater collection. Roof rainwater is less polluted than ground rainwater, offering an advantage in water quality. However, existing rainwater harvesting systems have high construction and maintenance costs, are complex projects, and require specific construction sites. They are mostly used in building complexes or large event areas, and their adoption in home gardens is low. To address these issues, a solution is proposed below. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of this utility model is to provide a rainwater harvesting device for private gardens, which can collect rainwater and then apply it to home gardening.

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] A rainwater harvesting device for a private garden includes a collection frame, a water guide pipe at the bottom of the collection frame, a T-joint at the bottom of the water guide pipe, a drain pipe at one end of the T-joint, a collection bucket at the other end of the T-joint, a sedimentation component at the top of the collection bucket, a buffer tank at the bottom of the collection bucket, a first conduit passing through the side of the collection bucket, the other end of the first conduit communicating with the buffer tank, a sterilization component inside the buffer tank, a discharge pipe installed on the side of the buffer tank, and a first valve installed on both the discharge pipe and the first conduit.

[0007] Preferably, the sedimentation assembly includes a placement tube, an electric push rod, and a push plate. The placement tube is horizontally arranged, the electric push rod is horizontally arranged, the electric push rod is located at one end of the placement tube, the output end of the electric push rod is located inside the placement tube, the push plate is slidably arranged inside the placement tube, the output end of the electric push rod and the end of the push plate are fixedly connected, a feed pipe is provided through the top of the placement tube, one end of the feed pipe passes through the top of the collection tank, and a sealing cap is snapped onto the end of the feed pipe outside the collection tank.

[0008] Preferably, the sterilization assembly comprises a containing barrel, a water pump and a spraying pipe, the containing barrel is vertically arranged, the water pump is installed on the side of the containing barrel, the input end of the water pump is located inside the containing barrel, the output end of the water pump is connected with the spraying pipe, the side of the containing barrel is provided with a feeding opening for feeding the containing barrel, and the feeding opening is clamped with an end cover.

[0009] Preferably, the side of the containing barrel and the collecting barrel is provided with a residue discharging pipe, the height of the residue discharging pipe of the collecting barrel is lower than that of the first guide pipe, the height of the residue discharging pipe of the containing barrel is lower than that of the discharging pipe, and the second valve is installed on the two residue discharging pipes.

[0010] Preferably, the bottom of the containing barrel is provided with a support, and the end of the discharging pipe is in communication with an external garden water pipe.

[0011] Preferably, the top of the collecting frame is provided with a filter screen, and the filter screen is clamped with the collecting frame.

[0012] Preferably, the side of the collecting barrel is provided with a controller, and the precipitation assembly and the sterilization assembly are electrically connected with the controller.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Firstly, the collecting frame is arranged at the end of the roof, rainwater is collected through the roof, part of the rainwater enters the collecting barrel, part of the rainwater is discharged through the drain pipe, and when the collecting barrel is full, the excess rainwater can also be discharged through the drain pipe; the collecting barrel collects rainwater, the precipitation assembly adds a precipitant into the collecting barrel, the impurities in the rainwater are precipitated, the precipitated rainwater enters the containing barrel through the first guide pipe, the sterilization assembly in the containing barrel sterilizes the rainwater in the containing barrel, bacteria breeding caused by long-time storage is avoided, health is affected, and the rainwater in the containing barrel is discharged through the discharging pipe to irrigate the garden plants.

[0015] Secondly, the precipitant is added into the placing pipe through the feeding pipe, the electric push rod pushes the push plate to move, the push plate pushes the precipitant in the placing pipe to be added into the collecting barrel, and the precipitant adsorbs and precipitates the impurities in the rainwater.

[0016] Thirdly, the external sterilant is added into the containing barrel through the feeding opening, the water pump sucks out the sterilant in the containing barrel, and the sterilant is added into the rainwater through the spraying pipe, so that the rainwater is sterilized.

[0017] Fourthly, the residue discharging pipe and the second valve can conveniently discharge the impurities in the collecting barrel and the containing barrel, conveniently discharge waste water, and are simple to operate.

[0018] Five, the support is used for lifting the height of the buffer barrel, so as to facilitate the rainwater to be directly discharged into the external garden water pipe through the discharge pipe, the potential energy of gravity is converted into kinetic energy, without installing the water pump, simple and efficient.

[0019] Six, the filter screen is used for protecting the collecting frame, can avoid the impurities outside entering into the water guide pipe, avoid the blockage, and the filter screen of the clamping design is convenient to disassemble and clean.

[0020] Seven, the controller can control the sterilization assembly and the sedimentation assembly to start. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall arrangement structure schematic diagram of the utility model;

[0022] Figure 2 It is the connecting structure schematic diagram of the collecting frame, the water guide pipe, the tee joint and the drain pipe of the utility model;

[0023] Figure 3 It is the sectional structure schematic diagram of the collecting barrel and the buffer barrel of the utility model;

[0024] Figure 4 It is the sectional structure schematic diagram of the collecting frame and the filter screen of the utility model;

[0025] Figure 5 It is the enlarged structure schematic diagram of A of the utility model;

[0026] Figure 6 It is the enlarged structure schematic diagram of B of the utility model.

[0027] Mark number explanation in drawing:

[0028] 1, collecting frame;2, water guide pipe;3, tee joint;4, drain pipe;5, collecting barrel;6, sedimentation assembly;7, buffer barrel;8, first guide pipe;9, sterilization assembly;10, discharge pipe;11, first valve;12, placing pipe;13, electric push rod;14, push plate;15, feed pipe;16, sealing cover;17, containing barrel;18, water pump;19, spraying pipe;20, charging port;21, end cover;22, deslagging pipe;23, second valve;24, support;25, filter screen;26, controller. DETAILED DESCRIPTION

[0029] Example 1:

[0030] Please refer to Figures 1-6The utility model provides a rainwater collecting device for private courtyard, including collection frame 1 and controller 26, controller 26 is arranged on the ground, and collection frame 1 is arranged at the eaves of courtyard, and the bottom of collection frame 1 is provided with water guide pipe 2, water guide pipe 2 is vertically arranged, and the bottom of water guide pipe 2 is installed with tee joint 3, one end of tee joint 3 is installed with drain pipe 4, and the other end of tee joint 3 is connected with collecting barrel 5.

[0031] Rainwater is collected via roof, and rainwater falls into the inside of collection frame 1, the top of collection frame 1 is installed with filter screen 25, filter screen 25 is clamped with collection frame 1, and filter screen 25 in the inside of collection frame 1 can filter impurities, avoid that water guide pipe 2 is blocked, tee joint 3 can divide the water in the inside of water guide pipe 2 into two parts, one part enters the inside of collecting barrel 5 and is collected, the top of collecting barrel 5 is provided with vent hole, guarantees the air pressure in the inside of collecting barrel 5 and outside balance, guarantees that rainwater enters smoothly, and the other part is discharged through drain pipe 4, since one end of tee joint 3 in the inside of collecting barrel 5 is installed with liquid level valve, when the water amount in the inside of collecting barrel 5 reaches threshold value, liquid level valve will close the end of tee joint 3, and rainwater will be discharged through drain pipe 4, avoid that the liquid in the inside of collecting barrel 5 is too much.

[0032] The top of collecting barrel 5 is provided with precipitation assembly 6, and precipitation assembly 6 includes placing pipe 12, electric push rod 13 and push plate 14, placing pipe 12 is horizontally arranged, electric push rod 13 is horizontally arranged, one end of electric push rod 13 is located in placing pipe 12, electric push rod 13 and controller 26 are electrically connected, the output end of electric push rod 13 is located in the inside of placing pipe 12, push plate 14 is slidably arranged in the inside of placing pipe 12, the output end of electric push rod 13 and the end of push plate 14 are fixedly connected, the top of placing pipe 12 is provided with feed pipe 15, one end of feed pipe 15 passes through the top of collecting barrel 5, and one end of feed pipe 15 outside collecting barrel 5 is clamped with sealing cover 16.

[0033] By adding precipitant such as alum through feed pipe 15, electric push rod 13 is started by controller 26, and electric push rod 13 pushes push plate 14, and push plate 14 pushes the precipitant in the inside of placing pipe 12 to fall into rainwater from one end of placing pipe 12, so as to realize the adsorption and settlement of impurities in rainwater.

[0034] The bottom of the collecting barrel 5 is provided with a buffer barrel 7, a first conduit 8 is arranged on the side of the collecting barrel 5, one end of the first conduit 8 is communicated with the buffer barrel 7, the buffer barrel 7 is internally provided with a sterilization assembly 9, a discharge pipe 10 is arranged on the side of the buffer barrel 7, the sterilization assembly 9 comprises a containing barrel 17, a water pump 18 and a spraying pipe 19, the containing barrel 17 is vertically arranged, the water pump 18 is arranged on the side of the containing barrel 17, the water pump 18 is electrically connected with a controller 26, the input end of the water pump 18 is located in the containing barrel 17, the output end of the water pump 18 is connected with the spraying pipe 19, and a feeding opening 20 for feeding the containing barrel 17 is formed in the side of the buffer barrel 7. An end cover 21 is clamped on the feeding opening 20.

[0035] Rainwater is added into the buffer barrel 7 through the first conduit 8, a pressure relief hole is formed in the side of the buffer barrel 7 to avoid excessive pressure in the buffer barrel 7, and a bactericide such as a hydrogen peroxide and silver ion composite solution is added through the feeding opening 20. The bactericide is colorless, odorless, non-toxic and residue-free, has a broad-spectrum and high-efficiency sterilization effect, has no stimulation or harm to plants, and has no residue after decomposition, is suitable for plant irrigation, and the water pump 18 is controlled to work through the controller 26. The water pump 18 is a centrifugal water pump 18, so as to avoid the influence of the solution on the water pump 18. The water pump 18 draws out the bactericide and adds the bactericide into the rainwater through the spraying pipe 19, so as to sterilize the rainwater and avoid the breeding of bacteria due to the long-time storage of the rainwater in the buffer barrel 7, thereby affecting the subsequent use.

[0036] After the sterilization treatment, the total number of bacteria in the rainwater is greatly reduced, the sterilization rate is as high as 85%, the killing rate of common harmful bacteria such as Escherichia coli and Staphylococcus aureus is more than 90%, the health and safety of the irrigation water are effectively ensured, and the plants are prevented from being infected by diseases due to the bacteria carried by the irrigation water. After continuous use test, the sterilization assembly 9 runs stably and has no problems such as bactericide leakage and water pump failure, so as to ensure the reliability of the rainwater sterilization treatment. During the rainwater collection and sterilization process, the pressure relief hole can effectively control the pressure in the buffer barrel 7, so that the pressure always remains within a safe pressure range, and the device is prevented from being damaged due to excessive pressure. Compared with the traditional manual addition of bactericides, the device automatically controls the addition of bactericides through the controller 26, the operation is more simple, and the sterilization effect is more stable, so as to avoid the errors of manual addition. Compared with other sterilization methods using chemical agents, the hydrogen peroxide and silver ion composite bactericide used by the device has no residue after decomposition, is more environmentally friendly, and has no adverse effects on the soil and plants.

[0037] The bottom of the buffer barrel 7 is provided with a support 24, the discharge pipe 10 and the first conduit 8 are both provided with a first valve 11, the first valve 11 is an electric control valve, and the two first valves 11 are electrically connected with a controller 26. The controller 26 can directly control the opening and closing of the valve, and the operation is simple. The end of the discharge pipe 10 is in communication with an external garden water pipe, and the support 24 is used to raise the height of the buffer barrel 7, so that the rainwater can be directly discharged into the external garden water pipe through the discharge pipe 10. The gravitational potential energy is converted into kinetic energy, and the water pump 18 is not needed, which is simple and efficient.

[0038] The side surfaces of the buffer barrel 7 and the collecting barrel 5 are both provided with a slag discharge pipe 22, the height of the slag discharge pipe 22 of the collecting barrel 5 is lower than that of the first conduit 8, the height of the slag discharge pipe 22 of the buffer barrel 7 is lower than that of the discharge pipe 10, and the two slag discharge pipes 22 are both provided with a second valve 23. The slag discharge pipe 22 and the second valve 23 can conveniently discharge the impurities in the collecting barrel 5 and the buffer barrel 7, conveniently discharge the waste water, and the operation is simple.

[0039] The impurities in the collecting barrel 5 and the buffer barrel 7 can be basically discharged within a set time by opening the slag discharge pipe 22 and the second valve 23, and the accumulation of impurities is effectively reduced. Regularly discharging the slag through the slag discharge pipe 22 and the second valve 23 can effectively reduce the corrosion of the impurities on the collecting barrel 5, the buffer barrel 7 and the pipeline, prolong the service life of the whole device, and reduce the maintenance cost.

[0040] Working principle:

[0041] When it rains, rain will fall on the roof, the roof slope design, can make the rain under the action of gravity into the collection frame 1 inside, the rain in the collection frame 1 inside under the action of gravity into the water pipe 2 inside, through the tee joint 3 part of the collection barrel 5 inside, another part will be discharged through the drain pipe 4, rain will be collected inside the collection barrel 5, when the liquid level valve is triggered, the water in the water pipe 2 will be discharged through the drain pipe 4, the controller 26 will control the electric push rod 13 start, the electric push rod 13 will drive the push plate 14 moves, through the push plate 14 will be placed in the pipe 12 inside the precipitator is pushed into the rain, so as to absorb the impurities in the rain, the controller 26 will control the first valve 11 on the first pipe 8 open, so that the precipitated rain will fall under the action of gravity into the buffer barrel 7 inside, the volume of buffer barrel 7 is not less than the volume of the collection barrel 5, to ensure the containing effect of buffer barrel 7, through the water pump 18 will be placed in the barrel 17 inside the bactericide is extracted, through the spray pipe 19 to rain in the bactericide, so as to rain sterilization, when need to outside of the garden plants are irrigated, the controller 26 will control the first valve 11 on the discharge pipe 10 open, so that through the discharge pipe 10, the rain in the buffer barrel 7 inside is connected to the garden pipeline, through the gravitational potential energy into kinetic energy, without water pump 18 extraction, convenient to use, when need to clean inside the collection barrel 5 and buffer barrel 7, through the opening of the second valve 23, through the discharge pipe 22 to the waste water in the collection barrel 5 and buffer barrel 7 inside is discharged, convenient to use.

Claims

1. A rainwater harvesting device for a private garden, characterized in that: The system includes a collection frame (1), a water guide pipe (2) at the bottom of the collection frame (1), a three-way connector (3) at the bottom of the water guide pipe (2), a drain pipe (4) at one end of the three-way connector (3), a collection bucket (5) at the other end of the three-way connector (3), a sedimentation component (6) at the top of the collection bucket (5), a buffer bucket (7) at the bottom of the collection bucket (5), a first conduit (8) passing through the side of the collection bucket (5), the other end of the first conduit (8) communicating with the buffer bucket (7), a sterilization component (9) inside the buffer bucket (7), a discharge pipe (10) at the side of the buffer bucket (7), and a first valve (11) installed on both the discharge pipe (10) and the first conduit (8).

2. A rainwater harvesting device for a private garden according to claim 1, characterized in that: The sedimentation assembly (6) includes a placement tube (12), an electric push rod (13), and a push plate (14). The placement tube (12) is arranged horizontally, and the electric push rod (13) is also arranged horizontally. The electric push rod (13) is located at one end of the placement tube (12), and the output end of the electric push rod (13) is located inside the placement tube (12). The push plate (14) is slidably arranged inside the placement tube (12). The output end of the electric push rod (13) and the end of the push plate (14) are fixedly connected. A feed pipe (15) is provided through the top of the placement tube (12). One end of the feed pipe (15) passes through the top of the collection tank (5), and a sealing cap (16) is snapped onto the end of the feed pipe (15) outside the collection tank (5).

3. A rainwater harvesting device for a private garden according to claim 1, characterized in that: The sterilization component (9) includes a container (17), a water pump (18), and a spray pipe (19). The container (17) is arranged vertically. The water pump (18) is installed on the side of the container (17). The input end of the water pump (18) is located inside the container (17). The output end of the water pump (18) is connected to the spray pipe (19). The buffer tank (7) has a feeding port (20) on its side for feeding the container (17). An end cap (21) is snapped onto the feeding port (20).

4. A rainwater harvesting device for a private garden according to claim 1, characterized in that: Both the buffer tank (7) and the collection tank (5) are equipped with slag discharge pipes (22). The height of the slag discharge pipe (22) of the collection tank (5) is lower than that of the first conduit (8), and the height of the slag discharge pipe (22) of the buffer tank (7) is lower than that of the discharge pipe (10). Both slag discharge pipes (22) are equipped with second valves (23).

5. A rainwater harvesting device for a private garden according to claim 1, characterized in that: The bottom of the buffer tank (7) is equipped with a bracket (24), and the end of the discharge pipe (10) is connected to an external garden water pipe.

6. A rainwater harvesting device for a private garden according to claim 1, characterized in that: A filter screen (25) is installed on the top of the collection frame (1), and the filter screen (25) is snapped into the collection frame (1).

7. A rainwater harvesting device for a private garden according to claim 1, characterized in that: A controller (26) is installed on the side of the collection tank (5), and the sedimentation component (6) and the sterilization component (9) are both electrically connected to the controller (26).

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