CN215406284U - Sponge city rainwater retrieval and utilization unmanned on duty irrigation system - Google Patents
Sponge city rainwater retrieval and utilization unmanned on duty irrigation system Download PDFInfo
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- CN215406284U CN215406284U CN202121362617.XU CN202121362617U CN215406284U CN 215406284 U CN215406284 U CN 215406284U CN 202121362617 U CN202121362617 U CN 202121362617U CN 215406284 U CN215406284 U CN 215406284U
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- 238000003973 irrigation Methods 0.000 title claims abstract description 50
- 230000002262 irrigation Effects 0.000 title claims abstract description 50
- 238000004064 recycling Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 14
- 238000004146 energy storage Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 8
- 239000008399 tap water Substances 0.000 claims description 4
- 235000020679 tap water Nutrition 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 238000003916 acid precipitation Methods 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
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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
- Y02A20/108—Rainwater harvesting
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an unattended irrigation system for recycling sponge urban rainwater, which comprises a rainwater storage system, a rainwater collection system, a solar storage system and an intelligent irrigation system electrically connected with the solar storage system, wherein the solar storage system comprises a solar cell panel, and the solar cell panel is electrically connected with a storage battery and a control system.
Description
Technical Field
The utility model relates to the technical field of sponge cities, in particular to an unattended irrigation system for recycling rainwater in a sponge city.
Background
The sponge city refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, at present, China solves the problem of large earth surface runoff in rainy seasons to a certain extent through engineering practices and technical application of sponge technical projects, and relieves the hidden danger of urban waterlogging to a certain extent.
However, at present, the functions of water seepage, water absorption and water storage of rainwater and the 'putting' function in the sponge urban technology are mainly emphasized, most of the functions are simply modes of simply discharging rainwater into natural water and municipal rainwater pipe networks, and deep rainwater recycling application research is not carried out, so that the sponge urban rainwater recycling unattended irrigation system is provided, which integrates the technologies of urban drainage, internet, solar power generation, sensor technology and the like, reduces municipal administration and landscaping operation and maintenance cost, and reduces the labor intensity of landscaping personnel, and is used for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an unattended irrigation system for recycling rainwater in a sponge city.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an unattended irrigation system for recycling sponge urban rainwater comprises a rainwater storage system, a rainwater collection system, a solar energy storage system and an intelligent irrigation system electrically connected with the solar energy storage system, wherein the solar energy storage system comprises a solar cell panel which is electrically connected with a storage battery and a control system;
the rainwater collection system comprises a rainwater collection pipe network, and the rainwater collection pipe network is connected with the rainwater storage system;
the rainwater storage system is provided with a filter and a disinfection device;
the intelligent irrigation system comprises an irrigation pipe network, wherein the irrigation pipe network is electrically connected with a remote control system, and the remote control system is electrically connected with a soil temperature and humidity sensor, a water pump, a water level sensor and a tap water supply system.
Preferably, the solar cell panel comprises a support, the support top is fixedly connected with a base, the base top is fixedly connected with a box body, two vertical plates are fixedly connected with two sides of the base top symmetrically, one end of each vertical plate extends into the box body, a photovoltaic plate is fixedly connected with the base top and located between the two vertical plates, the photovoltaic plate is located on one side of the box body, two arch-shaped plates are slidably connected to one side, close to the vertical plates, of the box body, shielding cloth is arranged between the arch-shaped plates, two sides of one arch-shaped plate, far away from the photovoltaic plate, of the arch-shaped plate are fixedly connected with the two vertical plates respectively, and a transmission assembly is arranged in the box body.
Preferably, the transmission assembly comprises a motor, the motor is fixedly connected with the inner wall of one side of the box body, a rotating rod is fixedly connected with an output shaft of the motor, two first synchronizing wheels are sleeved on the rotating rod, two vertical plates are connected with the same connecting rod in a rotating mode, one side, far away from the box body, of each vertical plate, two second synchronizing wheels are fixedly sleeved on the connecting rod, the same synchronous belt is sleeved on the first synchronizing wheels and the second synchronizing wheels, one side of each synchronous belt penetrates through a plurality of arch-shaped plates and is fixedly connected with the arch-shaped plates far away from the inner wall of the box body respectively.
Preferably, keep away from the box inner wall one side threaded connection that the arched plate is close to the photovoltaic board has a plurality of bolts, keeps away from the box inner wall the arched plate has detachable brush through bolt threaded connection.
Preferably, a cavity is formed in the support, and a control module is arranged in the cavity.
Preferably, the top of the box body is fixedly connected with a rainwater sensor, and the rainwater sensor is electrically connected with the control module.
Compared with the prior art, the utility model has the beneficial effects that: the control module is arranged in advance, the motor is turned on at 7 o' clock every day to rotate forwards, the motor drives the rotating rod to rotate, the rotating rod drives the two first synchronous wheels to rotate, the first synchronous wheels drive the two second synchronous wheels to rotate through the synchronous belts, meanwhile, the synchronous belts drive the arch-shaped plates close to the photovoltaic plates to move, the arch-shaped plates close to the photovoltaic plates drive the shielding cloth to move, the shielding cloth drives the other arch-shaped plates to move, so as to shield the photovoltaic plates, the brush positioned below the arch-shaped plates cleans impurities such as dust and fallen leaves from top to bottom along the photovoltaic plates while the arch-shaped plates close to the photovoltaic plates move to shield the photovoltaic plates, solar energy absorption of the photovoltaic plates is prevented from being influenced, the motor is turned backwards every day when the solar energy is absorbed by the photovoltaic plates continuously by driving the shielding cloth to withdraw the box body, when the rainwater sensor senses rain, information is transmitted to the control module, and the control module controls the motor to start the forward rotation, the shielding cloth is driven to shield the photovoltaic panel, the photovoltaic panel is prevented from being corroded by acid rain, when the rain sensor senses that rain stops, information is transmitted to the control module, the control module controls the starting motor to rotate reversely, so that the shielding cloth is driven to be retracted into the box body, the photovoltaic panel is enabled to collect solar energy again, the photovoltaic panel converts the collected solar energy into electric energy to be stored in the storage battery to supply power to the irrigation system, when the system recognizes that the electric quantity is insufficient, conventional power is started to continue to be supplied to the irrigation system, when rain falls, the rainwater collecting pipe network conveys the collected rainwater after initial rainwater is drained to the rainwater storage system, the rainwater is disinfected by the filter and the disinfection device to reach a reuse standard, when the soil temperature and humidity sensor senses that water is short of city and district greening, the information is transmitted to the remote control system, the remote control system controls the starting water pump to pump from the rainwater storage system to pump through the irrigation pipe network for city and district greening, when a water level sensor in the rainwater storage system senses that the water quantity is insufficient, information is transmitted to the remote control system, the remote control system controls tap water to be supplied to the rainwater storage system and then continues to perform municipal and community greening irrigation until the soil temperature and humidity sensor senses that the humidity reaches a preset value, the information is transmitted to the remote control system, the remote control system controls the water pump to be closed and the tap water supply is stopped from irrigation, and therefore rainwater recycling unattended intelligent irrigation is achieved.
The solar energy and water supply system is simple in structure, the control module can control the starting motor to rotate forwards and backwards according to preset time and data fed back by the rainwater sensor so as to achieve shielding and dust removal of the photovoltaic panel, the solar energy storage system is responsible for intelligently supplying power to the irrigation system, the rainwater collection system is responsible for collecting, storing, filtering and disinfecting water, and the intelligent irrigation system is responsible for intelligent remote automatic irrigation of urban and residential area greening.
Drawings
FIG. 1 is a block diagram of a working process of a solar energy storage system of an unattended irrigation system for recycling rainwater in a sponge city, which is provided by the utility model;
FIG. 2 is a block diagram of a working process of a rainwater collection and storage system of an unattended irrigation system for recycling rainwater in a sponge city, according to the utility model;
FIG. 3 is a block diagram of a working process of an intelligent irrigation system of the sponge city rainwater recycling unattended irrigation system provided by the utility model;
fig. 4 is a schematic view of the overall structure of a solar panel of an unattended irrigation system for recycling rainwater in a sponge city, which is provided by the utility model;
fig. 5 is a top cross-sectional view of a solar cell panel of an unattended irrigation system for recycling rainwater in a sponge city, which is provided by the utility model.
Fig. 6 is a side view of a solar cell panel of an unattended irrigation system for recycling rainwater in a sponge city, which is provided by the utility model.
In the figure: 1. a support; 2. a cavity; 3. a base; 4. a shielding cloth; 5. an arch plate; 6. a first synchronizing wheel; 7. a rain sensor; 8. a box body; 9. a synchronous belt; 10. a photovoltaic panel; 11. a vertical plate; 12. a bolt; 13. a motor; 14. a rotating rod; 15. a second synchronizing wheel; 16. a connecting rod; 17. a brush; 18. and a control module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-6, an unmanned irrigation system of sponge city rainwater retrieval and utilization, including rainwater storage system, rainwater collection system, solar energy storage system and with solar energy storage system electric connection's intelligent irrigation system, solar energy storage system includes solar cell panel, solar cell panel electric connection has battery and control system, rainwater collection system includes rainwater collection pipe network, rainwater collection pipe network is connected with rainwater storage system, rainwater storage system is provided with filter and degassing unit, intelligent irrigation system includes the irrigation pipe network, irrigation pipe network electric connection has remote control system, remote control system electric connection has soil temperature and humidity sensor, a water pump, level sensor and running water supply system.
The solar energy water supply system is simple in structure, the control module 18 can control the starting motor 13 to rotate forwards and backwards according to preset time and data fed back by the rainwater sensor 7 so as to realize shielding and dust removal of the photovoltaic panel 10, the solar energy storage system is responsible for intelligently supplying power to the irrigation system, the rainwater collection system is responsible for collecting, storing, filtering and disinfecting water, and the intelligent irrigation system is responsible for intelligent remote automatic irrigation of urban and residential area greening.
Example two
The embodiment is improved on the basis of the first embodiment: the solar cell panel comprises a support 1, a base 3 is fixedly connected to the top of the support 1, a box body 8 is fixedly connected to the top of the base 3, two vertical plates 11 are symmetrically and fixedly connected to two sides of the top of the base 3, one end of each vertical plate 11 extends into the box body 8, a photovoltaic plate 10 is fixedly connected to the top of the base 3, the photovoltaic plate 10 is located between the two vertical plates 11, the photovoltaic plate 10 is located on one side of the box body 8, a plurality of arch-shaped plates 5 are slidably connected to one side, close to the two vertical plates 11, of the two vertical plates 11, shielding cloth 4 is arranged between the arch-shaped plates 5, two sides of one arch-shaped plate 5, far away from the photovoltaic plate 10, are respectively and fixedly connected with the two vertical plates 11, a transmission assembly is arranged in the box body 8, the transmission assembly comprises a motor 13, the motor 13 is fixedly connected with the inner wall of one side of the box body 8, a rotating rod 14 is fixedly connected to an output shaft of the motor 13, two first synchronizing wheels 6 are sleeved on the rotating rod 11, one side, far away from the box body 8, a same connecting rod 16 is rotatably connected to the two vertical plates 11, two second synchronizing wheels 15 are fixedly sleeved on the connecting rod 16, the same synchronous belt 9 is sleeved on the first synchronizing wheel 6 and the second synchronizing wheel 15 which are positioned on the same side, and one side of the synchronous belt 9 penetrates through the arch-shaped plates 5 respectively and is fixedly connected with the arch-shaped plate 5 far away from the inner wall of the box body 8.
EXAMPLE III
The embodiment is improved on the basis of the first embodiment: keep away from one side threaded connection that the domatic board 5 of box 8 inner wall is close to photovoltaic board 10 has a plurality of bolts 12, keeps away from the domatic board 5 of box 8 inner wall and has detachable brush 17 through bolt 12 threaded connection, has seted up cavity 2 in the support 1, is provided with control module 18 in the cavity 2, box 8 top fixedly connected with rain sensor 7, and rain sensor 7 and control module 18 electric connection.
The working principle is as follows: the control module 18 is arranged in advance, the motor 13 is turned on at 7 pm every day for positive rotation, the motor 13 drives the rotating rod 14 to rotate, the rotating rod 14 drives the two first synchronous wheels 6 to rotate, the first synchronous wheels 6 drive the two second synchronous wheels 15 to rotate through the synchronous belts 9, meanwhile, the synchronous belts 9 drive the arch plates 5 close to the photovoltaic panel 10 to move, the arch plates 5 close to the photovoltaic panel 10 drive the shielding cloth 4 to move, the shielding cloth 4 drives the other arch plates 5 to move, so as to shield the photovoltaic panel 10, the brush 17 below the arch plates 5 clears dust, fallen leaves and other impurities above along the photovoltaic panel 10 from top to bottom while the arch plates 5 close to the photovoltaic panel 10 move to shield the photovoltaic panel 10, so as to prevent the photovoltaic panel 10 from being influenced by solar energy absorption, the motor 13 is turned on every 6 am for reverse rotation, so as to drive the shielding cloth 4 to withdraw the box body 8 to continue the photovoltaic panel 10 to absorb solar energy, when the rain sensor 7 senses rain, the information is transmitted to the control module 18, the control module 18 controls the starting motor 13 to rotate forwards to drive the shielding cloth 4 to shield the photovoltaic panel 10 so as to prevent the photovoltaic panel 10 from being corroded by acid rain, when the rain sensor 7 senses rain is stopped, the information is transmitted to the control module 18, the control module 18 controls the starting motor 13 to rotate backwards so as to drive the shielding cloth 4 to be retracted into the box body 8, the photovoltaic panel 10 is used for collecting solar energy again, the photovoltaic panel 10 converts the collected solar energy into electric energy to be stored in the storage battery to supply power to the irrigation system, when the system recognizes that the electric quantity is insufficient, the conventional power is started to be continuously supplied to the irrigation system, when rain falls, the rain collecting pipe network conveys the collected rain water after initial rain water flow discarding to the rain storage system, the collected rain water is filtered by the filter and sterilized by the sterilizing device to reach the recycling standard, when the soil temperature and humidity sensor senses city and small-district greening water shortage, transmit information transmission for remote control system, remote control system control starts the water pump and draws water from rainwater storage system and be used for city political affairs and district afforestation irrigation through irrigating the pipe network, when being located rainwater storage system's level sensor senses the water yield not enough, transmit information transmission for remote control system, remote control system control running water supply continues to carry out city political affairs and district afforestation irrigation after rainwater storage system until soil temperature and humidity sensor senses when the default, transmit information for remote control system, remote control system control closes water pump and running water supply and stops irrigating.
However, as is well known to those skilled in the art, the working principle and wiring method of the control module 18, the rain sensor 7, the motor 13, the water pump, the water level sensor, the soil temperature and humidity sensor, the solar panel and the storage battery are common and are conventional means or common knowledge, and thus, they will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. An unattended irrigation system for recycling sponge urban rainwater comprises a rainwater storage system, a rainwater collection system, a solar energy storage system and an intelligent irrigation system electrically connected with the solar energy storage system, and is characterized in that the solar energy storage system comprises a solar cell panel which is electrically connected with a storage battery and a control system;
the rainwater collection system comprises a rainwater collection pipe network, and the rainwater collection pipe network is connected with the rainwater storage system;
the rainwater storage system is provided with a filter and a disinfection device;
the intelligent irrigation system comprises an irrigation pipe network, wherein the irrigation pipe network is electrically connected with a remote control system, and the remote control system is electrically connected with a soil temperature and humidity sensor, a water pump, a water level sensor and a tap water supply system.
2. The sponge city rainwater recycling unattended irrigation system according to claim 1, wherein the solar panel comprises a support (1), a base (3) is fixedly connected to the top of the support (1), a box body (8) is fixedly connected to the top of the base (3), two vertical plates (11) are symmetrically and fixedly connected to two sides of the top of the base (3), one end of each vertical plate (11) extends into the box body (8), a photovoltaic plate (10) is fixedly connected to the top of the base (3), the photovoltaic plate (10) is located between the two vertical plates (11), the photovoltaic plate (10) is located on one side of the box body (8), a plurality of arch plates (5) are slidably connected to one side of the two vertical plates (11) close to each other, shielding cloth (4) is arranged between the arch plates (5), two sides of one arch plate (5) far away from the photovoltaic plate (10) are respectively and fixedly connected to the two vertical plates (11), and a transmission assembly is arranged in the box body (8).
3. The sponge urban rainwater recycling unattended irrigation system according to claim 2, it is characterized in that the transmission component comprises a motor (13), the motor (13) is fixedly connected with the inner wall of one side of the box body (8), the output shaft of the motor (13) is fixedly connected with a rotating rod (14), the rotating rod (14) is sleeved with two first synchronizing wheels (6), one side of each vertical plate (11) far away from the box body (8) is rotatably connected with a same connecting rod (16), two second synchronizing wheels (15) are fixedly sleeved on the connecting rod (16), the first synchronizing wheel (6) and the second synchronizing wheel (15) which are positioned on the same side are sleeved with the same synchronous belt (9), one side of the synchronous belt (9) penetrates through the arch plates (5) respectively and is fixedly connected with one arch plate (5) far away from the inner wall of the box body (8).
4. The sponge city rainwater recycling unattended irrigation system according to claim 2, wherein one side, close to the photovoltaic panel (10), of the arched plate (5) far away from the inner wall of the box body (8) is in threaded connection with a plurality of bolts (12), and the arched plate (5) far away from the inner wall of the box body (8) is in threaded connection with a detachable brush (17) through the bolts (12).
5. The sponge urban rainwater recycling unattended irrigation system according to claim 2, wherein a cavity (2) is formed in the bracket (1), and a control module (18) is arranged in the cavity (2).
6. The sponge city rainwater recycling unattended irrigation system according to claim 2, wherein a rainwater sensor (7) is fixedly connected to the top of the box body (8), and the rainwater sensor (7) is electrically connected with the control module (18).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120704605 | 2021-04-07 | ||
| CN2021207046054 | 2021-04-07 |
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| Publication Number | Publication Date |
|---|---|
| CN215406284U true CN215406284U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121362617.XU Expired - Fee Related CN215406284U (en) | 2021-04-07 | 2021-06-18 | Sponge city rainwater retrieval and utilization unmanned on duty irrigation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908841A (en) * | 2022-05-17 | 2022-08-16 | 陇东学院 | Sponge city construction rainwater utilization device and use method thereof |
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2021
- 2021-06-18 CN CN202121362617.XU patent/CN215406284U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908841A (en) * | 2022-05-17 | 2022-08-16 | 陇东学院 | Sponge city construction rainwater utilization device and use method thereof |
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