CN215122815U - Roof siphon protection drainage device is planted to large-scale basement - Google Patents
Roof siphon protection drainage device is planted to large-scale basement Download PDFInfo
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- CN215122815U CN215122815U CN202120838770.9U CN202120838770U CN215122815U CN 215122815 U CN215122815 U CN 215122815U CN 202120838770 U CN202120838770 U CN 202120838770U CN 215122815 U CN215122815 U CN 215122815U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model discloses a large basement planting roof siphon protection drainage device, which comprises a macromolecule protection drainage irregular sheet arranged on a basement planting roof, a siphon drainage groove, a first treatment well connected with the siphon drainage groove through a pipeline, a second treatment well connected with the first treatment well through a conduit, and a water collecting well connected with the second treatment well through a conduit, wherein the lower part of one side of the water collecting well is connected with a water pump through a water feeding pipe, the water outlet end of the water pump is connected with a first electric butterfly valve through a conduit, and the first electric butterfly valve is connected with a spray device through a conduit; an overflow pipe is communicated with the upper part of the other side of the water collecting well, a second electric butterfly valve is connected onto the overflow pipe, a filter cage is fixedly connected to a water outlet at the lower part of the water collecting well, and a water level sensor is further arranged inside the water collecting well. The utility model discloses not only realize automatic and urgent drainage, can also be with the water reuse in the sump pit for watering the vegetation on the basement planting roof.
Description
Technical Field
The utility model relates to a siphon protection drainage device, specificly relate to a roof siphon protection drainage device is planted to large-scale basement belongs to drainage technical field.
Background
Siphoning is a hydrodynamic phenomenon that allows pumping of liquids without the aid of a pump. Siphon is to fill liquid in an inverted U-shaped tubular structure by utilizing the action force phenomenon of liquid level difference, and then place the end with a high opening in a container filled with liquid, so that the liquid in the container can continuously flow out to a lower position through a siphon.
Along with the increase of population, land resource is more and more nervous, in order to improve the utilization ratio of soil, often build big type basement in the construction, large-scale basement is planted the roof and is formed stagnant water because of precipitation sometimes, rises to a take the altitude when ponding to during submergence plant roots, probably cause rotting of roots, consequently, set up the drainage blanket and just be very necessary. Traditional drainage has the limitation, and local drainage is not unobstructed, causes ponding easily, if ponding can not discharge easily for a long time and lead to the mashed root of plant, the waterproof layer is long-term in the environment of ponding, also takes place local seepage easily, not only can waste a large amount of manpower, material resources, financial resources, and the rainwater can't recycle in addition, and the key is still greatly reduced the life of whole building. The good protection drainage system has important guarantee to the normal use and the life of building.
The existing drainage mode has the following defects: slope layer construction is required, the construction period is long, and the construction cost is increased; the whole drainage process is maintained by the operation of the water pump, so that the consumption of electric energy is increased, namely the operation cost of an enterprise is increased; the water pump is frequently started and operated for a long time, so that the failure rate of electromechanical equipment is increased, namely the maintenance cost of an enterprise is increased; the degree of automation is low, and workman intensity of labour is big, takes place easily because the drainage submerges the potential safety hazard in operation district, living area or equipment area in time often, causes huge loss of property.
Therefore, the key point for solving the technical problems is to develop a siphon protection and drainage device for a top plate planted in a large basement, which has protection, drainage and multiple functional applications.
Disclosure of Invention
To a great deal of defect and not enough that exist among the above-mentioned background art, the utility model discloses improve and the innovation to this, aim at provides one kind and adopts the siphon principle to change into initiative drainage by original passive drainage to effectively solved the circumstances such as current drainage structures drainage thoroughly, leak, harm vegetation, house structure, reach extension building life.
The utility model discloses another invention aim at can realize the automation and the urgent drainage of the device through the collocation work of controlgear and water pump, first electric butterfly valve and second electric butterfly valve and level sensor, can also be with the water reuse in the sump pit for water the vegetation on the basement planting roof.
In order to solve the above problems and achieve the above object, the present invention provides a siphon protection drainage device for a top plate planted in a large basement, which is realized by adopting the following design structure and the following technical scheme:
as the utility model relates to an improvement of roof siphon protection drainage device is planted to large-scale basement, including setting up polymer protection drainage mechanical section (2) on roof (1) is planted to the basement, siphon water drainage tank (3) and through pipeline (4) with siphon water drainage tank (3) be connected first treatment well (5) and through pipe and first treatment well (5) be connected second treatment well (6), still include through pipe and second treatment well (6) be connected water collecting well (7), one side lower part of water collecting well (7) is connected with water pump (9) through water-supply pipe (8), water pump (9) outlet end is connected with first electric butterfly valve (10) through the pipe, first electric butterfly valve (10) are through pipe connection spray set (11); an overflow pipe (12) is communicated with the upper part of the other side of the water collecting well (7), a second electric butterfly valve (13) is connected onto the overflow pipe (12), a filter cage (14) is fixedly connected to a water outlet at the lower part in the water collecting well (7), and a water level sensor (15) is further arranged inside the water collecting well (7).
As the above improvement of the present invention, the present invention further comprises a control device (16) electrically connected to the water pump (9), the first electric butterfly valve (10), the second electric butterfly valve (13) and the water level sensor (15), wherein the control device (16) controls the first electric butterfly valve (10) and the second electric butterfly valve (12) according to the trigger signal sent by the water level sensor (13).
As the further improvement of the utility model, a filter layer is arranged above the macromolecule protective drainage irregular sheet (2) and the siphon drainage groove (3), and the filter layer is made of geotextile; a waterproof layer is further arranged between the basement planting top plate (1), the polymer protection drainage special-shaped sheet (2) and the siphon drainage groove (3).
As the further improvement of the utility model, a plurality of breathable observation pipes are communicated and arranged above the siphon drainage tank (3); the pipeline (4) is a reducing pipeline.
As the utility model discloses foretell still further improvement, first processing well (5) with all be provided with impurity deposition subassembly in second processing well (6), and second processing well (6) inside wall all still is provided with waterproof coating.
As the utility model discloses the foretell further improvement again, sump pit (7) including the observation tube on upper portion with set up at the observation well shield at observation tube top and the cage that catchments of lower part, the observation well sets up with the cage intercommunication that catchments, catchment the cage bottom and be equipped with impurity deposition subassembly, wherein, the inside wall of cage that catchments is provided with waterproof coating, the outer still cladding of cage that catchments has compound prevention of seepage membrane.
As a still further improvement of the above aspect of the present invention, the water pump (9) is a centrifugal pump or a clean water pump; the first electric butterfly valve (10) and the second electric butterfly valve (13) are adjusting electric butterfly valves.
As the above mentioned further improvement of the utility model, a plurality of nozzles are arranged on the irrigation device at equal intervals.
As the utility model discloses foretell still further improvement again, still the intercommunication is equipped with external pipe (17) on warning pipe (12), and external pipe (17) are located the warning pipe between second electric butterfly valve (13) and sump pit (7).
As the above mentioned further improvement of the present invention, the outer surfaces of the pipeline (4), the water supply pipe (8) and the overflow pipe (12) are provided with anti-freezing layers.
The working principle is as follows: the utility model discloses a repacking when putting into operation, equipment earlier and detection achievement, when the equipment is accomplished and is detected the non-problem, begin to put into operation.
When in use:
under normal conditions, the water pump (9), the valve of the first electric butterfly valve (10) and the valve of the second electric butterfly valve (12) are both in a closed state, and the water level sensor (15) is in a working state.
When rainfall or watering, water flow penetrates through a planting soil layer on a basement planting top plate (1) to penetrate a filter layer and then flows to a polymer protective drainage special-shaped sheet (2) and a siphon drainage groove (3), then the water flow slowly converges to the siphon drainage groove (3) through the polymer protective drainage special-shaped sheet (2), the water flow in the siphon drainage groove (3) flows to a first treatment well (5) through a pipeline (4), when the water flow overflows from a water outlet of the first treatment well (5), the water flow flows to a second treatment well (6) through a guide pipe, and when the water flow overflows from a water outlet of the second treatment well (6), the water flow flows to a water collecting well (7) through the guide pipe for storage;
when the water level flowing into the water collecting well (7) exceeds the highest water level set by the water level sensor (15), the water level sensor (15) sends a trigger signal, and the control equipment (16) controls the second electric butterfly valve (12) to open the valve for emergency drainage; when the water level in the water collecting well (7) is within the highest water level set by the water level sensor (15), the current situation is maintained; when the water level in the water collecting well (7) is lower than the lowest water level set by the water level sensor (15), the water level sensor (15) sends a trigger signal, the control equipment (16) gives an alarm, and the water in the water collecting well (7) does not meet the irrigation requirement under the condition of displaying the state;
during irrigation:
an operator opens a valve of the first electric butterfly valve (10) through operating the control equipment (16), starts the water pump (9), the valves of the second electric butterfly valve (12) are all in a closed state, the water level sensor (15) is in a working state, the water pump (9) is started to feed water through the water feeding pipe (8), then the water flows sequentially through the water pump (9) and the first electric butterfly valve (10), and then the water flows into the spraying device (11), and vegetation is irrigated through a nozzle on the spraying device (11);
in the irrigation process, when the water level in the water collecting well (7) slowly drops until the water level is lower than the lowest water level set by the water level sensor (15), the water level sensor (15) sends a trigger signal, the control equipment (16) controls the water pump (9) to be closed and the valve of the second electric butterfly valve (13) to be closed, an alarm is sent out to remind, and the water in the water collecting well (7) is forbidden to be used for irrigation; at the moment, if irrigation operation is needed, the other end of the spraying device (11) can be externally connected with water supply equipment for irrigation operation or can enter the water collecting well (7) through an external connecting pipe (17) for irrigation from other channels, when the water level exceeds the lowest water level set by the water level sensor (15), the water level sensor (15) sends a trigger signal, alarm reminding is cancelled, and the control equipment (16) can be used for controlling the continuous irrigation operation.
The utility model discloses in, operation controlgear (16) be PLC or PC or be in the current product everywhere can control all equipment products that realize.
Compared with the prior art, the utility model produced beneficial effect is:
1. the utility model adopts the siphon principle to change the original passive drainage into active drainage, thereby effectively solving the problems of incomplete drainage, water leakage, damage to vegetation and the like of the existing drainage structure, being convenient for maintenance and reducing the blocking phenomenon;
2. the utility model adopts the siphon protection drainage device to cancel the slope finding layer, the protective layer and the isolation layer and replace the traditional drainage filter layer, and the ventilation observation tube in the siphon protection drainage device keeps the air pressure on the macromolecule protection drainage special-shaped sheet consistent with the atmospheric pressure, thus being beneficial to smooth drainage and ventilating soil and being a drainage device capable of breathing;
3. the utility model adopts the matching work of the control equipment, the water pump, the first electric butterfly valve, the second electric butterfly valve and the water level sensor, which can realize the automatic and emergency drainage of the device and the automatic irrigation of the vegetation on the planting roof;
4. the utility model discloses realize zero slope drainage, plant roof structural layer suboptimum, save the cost of manufacture, reduce the seepage, effectively prolong the building life, improve the plant survival rate, improve water resource utilization, be changed into visible initiative drainage from passive drainage in the past to really realize zero slope, organized drainage, accord with the demand in national construction sponge city.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partial structural schematic diagram of the present invention;
FIG. 3 is a diagram illustrating the usage status of the present invention;
wherein, the reference numbers in the figures: the device comprises a basement planting top plate, 2 polymer protection drainage irregular sheets, 3 siphon drainage grooves, 4 pipelines, 5 first treatment wells, 6 second treatment wells, 7 water collecting wells, 8 water feeding pipes, 9 water pumps, 10 first electric butterfly valves, 11 spraying devices, 12 overflow pipes, 13 second electric butterfly valves, 14 filter cages, 15 water level sensors, 16 control equipment and 17 external pipes.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description, and it should be noted that the embodiments and the features of the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The siphoning protection drainage device for the planting top plate of the large basement, as shown in the attached drawing of the specification, comprises a high-molecular protection drainage special-shaped sheet 2 arranged on the planting top plate 1 of the basement, a siphoning drainage groove 3, a first treatment well 5 connected with the siphoning drainage groove 3 through a pipeline 4, a second treatment well 6 connected with the first treatment well 5 through a conduit, and a water collecting well 7 connected with the second treatment well 6 through a conduit, wherein the lower part of one side of the water collecting well 7 is connected with a water pump 9 through a water feeding pipe 8, the water outlet end of the water pump 9 is connected with a first electric butterfly valve 10 through a conduit, and the first electric butterfly valve 10 is connected with a spraying device 11 through a conduit; an overflow pipe 12 is communicated with the upper part of the other side of the water collecting well 7, a second electric butterfly valve 13 is connected on the overflow pipe 12, wherein a filter cage 14 is fixedly connected at a water outlet of the lower part in the water collecting well 7, and a water level sensor 15 is arranged in the water collecting well 7.
The utility model discloses in, water level sensor 15 sets up the water level condition of understanding sump pit 7 that water level sensor 15 can be clear for the current product that can buy among the prior art, avoids invalid work.
Further, the water pump control device further comprises a control device 16 electrically connected with the water pump 9, the first electric butterfly valve 10, the second electric butterfly valve 13 and the water level sensor 15, wherein the control device 16 controls the first electric butterfly valve 10 and the second electric butterfly valve 12 according to a trigger signal sent by the water level sensor 13.
In the utility model, when the water level in the water collecting well 7 exceeds the highest water level set by the water level sensor 15, the water level sensor 15 sends a trigger signal, and the control device 16 controls the second electric butterfly valve 12 to open the valve for emergency drainage; when the water level in the water collecting well 7 is lower than the lowest water level set by the water level sensor 15, the water level sensor 15 sends a trigger signal, the control equipment 16 controls the water pump 9 to be closed and the valve of the second electric butterfly valve 13 to be closed, and the water in the water collecting well 7 is forbidden to be used for irrigation; at this moment, if irrigation operation is needed, external water supply equipment can be connected to the spraying device 11 for irrigation operation or irrigation water from other channels enters the water collecting well 7, and when the water level exceeds the lowest water level, the water level sensor 15 sends out a trigger signal, and irrigation operation can be controlled by the control equipment 16.
Further, a filter layer is arranged above the polymer protective drainage irregular sheet 2 and the siphon drainage groove 3, and the filter layer is made of geotextile; a waterproof layer is further arranged between the basement planting top plate 1, the polymer protection drainage irregular sheet 2 and the siphon drainage groove 3.
Furthermore, a plurality of breathable observation pipes are communicated above the siphon drainage tank 3; the pipeline 4 is a reducing pipeline.
The utility model discloses in, in order to slow down siphon water drainage tank 3 and flow into the velocity of water of first processing well 5, so the connecting tube between siphon water drainage tank 3 and the first processing well 5 sets up to reducing pipe.
Further, first treatment well 5 with all be provided with impurity sedimentation subassembly in the second treatment well 6, and the 6 inside walls of second treatment well all still are provided with waterproof coating.
The utility model discloses in, it is corrupt in order to reduce the quality of water in the sump pit 7, so all be equipped with impurity deposition subassembly in first treatment well 5 and second treatment well 6 and sump pit 7 bottom, the water storage in the sump pit 7 of being convenient for is difficult rotten.
Further, sump pit 7 includes the observation pipe on upper portion and sets up the cage that catchments at the observation well shield and the lower part at the observation pipe top, and the observation well sets up with the cage intercommunication that catchments, and the cage bottom that catchments is equipped with impurity deposition subassembly, and wherein, the inside wall of the cage that catchments is provided with waterproof coating, and the outer still cladding of cage that catchments has compound prevention of seepage membrane.
Further, the water pump 9 is a centrifugal pump or a clean water pump; the first electric butterfly valve 10 and the second electric butterfly valve 13 are adjusting electric butterfly valves.
Furthermore, a plurality of spray heads are arranged on the irrigation device at equal intervals.
Furthermore, an external connecting pipe 17 is communicated with the overflow pipe 12, and the external connecting pipe 17 is positioned on the overflow pipe between the second electric butterfly valve 13 and the water collecting well 7.
In the utility model, when the water level sensor 15 detects that the water collecting well 7 is lack of water, the water can be supplied by an external water supply device; the water outlet end of the overflow pipe 12 is communicated with an external sewer pipe.
Further, an anti-freezing layer is provided on the outer surfaces of the pipe 4, the water supply pipe 8 and the overflow pipe 12.
To sum up, the utility model discloses more specific embodiment is:
the utility model discloses a repacking when putting into operation, equipment earlier and detection achievement, when the equipment is accomplished and is detected the non-problem, begin to put into operation.
When in use:
normally, the water pump 9, the valve of the first electric butterfly valve 10, and the valve of the second electric butterfly valve 12 are both in a closed state, and the water level sensor 15 is in an operating state.
When rainfall or watering, water flow permeates a filter layer through a planting soil layer on a basement planting top plate 1 and then flows to a high-molecular protective drainage irregular sheet 2 and a siphon drainage groove 3, then the water flow slowly converges in the siphon drainage groove 3 through the high-molecular protective drainage irregular sheet 2, the water flow in the siphon drainage groove 3 flows into a first treatment well 5 through a pipeline 4, when the water flow overflows a water outlet of the first treatment well 5, the water flow flows to a second treatment well 6 through a guide pipe, and when the water flow overflows a water outlet of the second treatment well 6, the water flow flows into a water collecting well 7 through the guide pipe for storage;
when the water level flowing into the water collecting well 7 exceeds the highest water level set by the water level sensor 15, the water level sensor 15 sends a trigger signal, and the control device 16 controls the second electric butterfly valve 12 to open the valve for emergency drainage; when the water level in the water collecting well 7 is within the highest water level set by the water level sensor 15, the current situation is maintained; when the water level in the water collecting well 7 is lower than the lowest water level set by the water level sensor 15, the water level sensor 15 sends a trigger signal, the control equipment 16 gives an alarm, and the water in the water collecting well 7 does not meet the irrigation requirement under the condition of displaying the state;
during irrigation:
an operator firstly opens a valve of the first electric butterfly valve 10 by operating the control device 16, when the water pump 9 is started, valves of the second electric butterfly valve 12 are all in a closed state, the water level sensor 15 is in a working state, the water pump 9 is started to feed water through the water feeding pipe 8, then the water flow sequentially passes through the water pump 9 and the first electric butterfly valve 10, then the water flow enters the spraying device 11, and the vegetation is irrigated by a nozzle on the spraying device 11;
in the irrigation process, when the water level in the water collecting well 7 slowly drops until the water level is lower than the lowest water level set by the water level sensor 15, the water level sensor 15 sends a trigger signal, the control device 16 controls the water pump 9 to be closed and the valve of the second electric butterfly valve 13 to be closed, an alarm is sent out for reminding, and the water in the water collecting well 7 is forbidden to be used for irrigation; at this moment, if irrigation operation is needed, the other end of the spraying device 11 can be externally connected with water supply equipment for irrigation operation or can be irrigated from other channels through the external connecting pipe 17 to enter the water collecting well 7, when the water level exceeds the lowest water level set by the water level sensor 15, the water level sensor 15 sends out a trigger signal, alarm reminding is cancelled, and the control device 16 can be used for controlling to continue irrigation operation.
The utility model discloses in, operation control equipment 16 is PLC or PC or all equipment products that can control the realization in the current product.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and those skilled in the art may change or modify the technical content disclosed above into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a roof siphon protection drainage device is planted to large-scale basement, includes that the polymer that sets up on roof (1) is planted to the basement protects drainage profile shapes piece (2), siphon water drainage tank (3) and through pipeline (4) and siphon water drainage tank (3) be connected first processing well (5) and through pipe and first second processing well (5) be connected well (6), its characterized in that: the device also comprises a water collecting well (7) connected with the second treatment well (6) through a guide pipe, the lower part of one side of the water collecting well (7) is connected with a water pump (9) through a water feeding pipe (8), the water outlet end of the water pump (9) is connected with a first electric butterfly valve (10) through a guide pipe, and the first electric butterfly valve (10) is connected with a spraying device (11) through a guide pipe; an overflow pipe (12) is communicated with the upper part of the other side of the water collecting well (7), a second electric butterfly valve (13) is connected onto the overflow pipe (12), a filter cage (14) is fixedly connected to a water outlet at the lower part in the water collecting well (7), and a water level sensor (15) is further arranged inside the water collecting well (7).
2. The large basement planting roof siphon protection drainage device of claim 1, wherein: the water pump control device further comprises a control device (16) electrically connected with the water pump (9), the first electric butterfly valve (10), the second electric butterfly valve (13) and the water level sensor (15), and the control device (16) controls the first electric butterfly valve (10) and the second electric butterfly valve (12) according to a trigger signal sent by the water level sensor (13).
3. The large basement planting roof siphon protection drainage device of claim 1, wherein: a filter layer is arranged above the polymer protective drainage irregular sheet (2) and the siphon drainage groove (3), and the filter layer is made of geotextile; a waterproof layer is further arranged between the basement planting top plate (1), the polymer protection drainage special-shaped sheet (2) and the siphon drainage groove (3).
4. The large basement planting roof siphon protection drainage device of claim 1, wherein: a plurality of breathable observation tubes are communicated above the siphon drainage tank (3); the pipeline (4) is a reducing pipeline.
5. The large basement planting roof siphon protection drainage device of claim 1, wherein: the first treatment well (5) and the second treatment well (6) are internally provided with impurity deposition assemblies, and the inner side walls of the second treatment well (6) are also provided with waterproof coatings.
6. The large basement planting roof siphon protection drainage device of claim 1, wherein: the sump pit (7) include the observation tube on upper portion and set up the cage that catchments at the observation well shield and the lower part at the observation tube top, the observation well with catchment the cage intercommunication and set up, catchment the cage bottom and be equipped with impurity deposition subassembly, wherein, the inside wall of cage that catchments is provided with waterproof coating, the outer still cladding of cage that catchments has compound prevention of seepage membrane.
7. The large basement planting roof siphon protection drainage device of claim 1, wherein: the water pump (9) is a centrifugal pump or a clean water pump; the first electric butterfly valve (10) and the second electric butterfly valve (13) are adjusting electric butterfly valves.
8. The large basement planting roof siphon protection drainage device of claim 1, wherein: a plurality of spray heads are arranged on the irrigation device at equal intervals.
9. The large basement planting roof siphon protection drainage device of claim 1, wherein: an external connecting pipe (17) is also communicated with the overflow pipe (12), and the external connecting pipe (17) is positioned on the overflow pipe between the second electric butterfly valve (13) and the water collecting well (7).
10. The large basement planting roof siphon protection drainage device of claim 1, wherein: the outer surfaces of the pipeline (4), the water feeding pipe (8) and the overflow pipe (12) are provided with anti-freezing layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838770.9U CN215122815U (en) | 2021-04-22 | 2021-04-22 | Roof siphon protection drainage device is planted to large-scale basement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838770.9U CN215122815U (en) | 2021-04-22 | 2021-04-22 | Roof siphon protection drainage device is planted to large-scale basement |
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| Publication Number | Publication Date |
|---|---|
| CN215122815U true CN215122815U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120838770.9U Expired - Fee Related CN215122815U (en) | 2021-04-22 | 2021-04-22 | Roof siphon protection drainage device is planted to large-scale basement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351951A (en) * | 2021-12-17 | 2022-04-15 | 河南煜诚智联环保科技有限公司 | Earthing roofing infiltration water collecting system |
-
2021
- 2021-04-22 CN CN202120838770.9U patent/CN215122815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351951A (en) * | 2021-12-17 | 2022-04-15 | 河南煜诚智联环保科技有限公司 | Earthing roofing infiltration water collecting system |
| CN114351951B (en) * | 2021-12-17 | 2023-10-24 | 河南煜诚智联环保科技有限公司 | Earthing roofing infiltration water collecting system |
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Granted publication date: 20211214 |