CN113079792A - Integrative device of intelligent rich water for vegetable cultivation - Google Patents
Integrative device of intelligent rich water for vegetable cultivation Download PDFInfo
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- CN113079792A CN113079792A CN202110377672.4A CN202110377672A CN113079792A CN 113079792 A CN113079792 A CN 113079792A CN 202110377672 A CN202110377672 A CN 202110377672A CN 113079792 A CN113079792 A CN 113079792A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses an intelligent fertilizer and water integrated device for vegetable cultivation, and belongs to the technical field of facility agriculture. This integrative device of intelligent rich water for vegetable cultivation includes: the main fertilizer box is communicated with a first metering valve; the middle of the auxiliary fertilizer box is provided with a partition plate, the left side part of the partition plate of the auxiliary fertilizer box is communicated with a second metering valve, and the right side part of the partition plate of the auxiliary fertilizer box is communicated with a third metering valve; the agitator all communicates with first metering valve, second metering valve and third metering valve, and the agitator still communicates has water supply installation, and the agitator intercommunication has the outlet pipe, and the outlet pipe is equipped with the PH tester, and the PH tester is used for testing the pH value of the liquid in the pipeline, and the master controller moves according to pH value signal control second metering valve or third metering valve. The intelligent fertilizer-water integrated device for vegetable cultivation can quantitatively control water and fertilizer, can adjust the pH of fertilizer water in real time to adapt to the influence of different vegetables on the pH of soil, thereby ensuring normal activity of vegetable roots and normal growth of the vegetables.
Description
Technical Field
The invention relates to the technical field of protected agriculture, in particular to an intelligent fertilizer and water integrated device for vegetable cultivation.
Background
Irrigation watering and regular fertilization are needed during field management of vegetable cultivation, fertilizers and irrigation water are mixed by the water and fertilizer integration technology and are supplied to vegetables through pipelines, and compared with the traditional production management technology, the water and fertilizer integration technology has the advantages of water conservation, fertilizer consumption reduction, labor cost saving and the like.
After the fertilizer is dissolved in water, the pH value of the fertilizer aqueous solution is acidic or alkaline due to the relative strength of the base and the acid radical. The fertilizer can be divided into acid fertilizer and alkaline fertilizer according to the pH value.
The pH value of the fertilizer aqueous solution can influence the activities of the vegetable root system, and the vegetable root system can perform activities such as normal respiration, ion exchange, nutrient element absorption and the like within a certain pH value range. Different vegetable crops adapt to different pH value ranges, the pH value that general vegetable root system is suitable is between 5.3 ~ 6.3, exceeds or is less than this scope, and vegetable root system's activity will be inhibited, probably leads to root system necrosis when serious to lead to the death of whole plant.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an intelligent fertilizer and water integrated device for vegetable cultivation.
The invention provides an intelligent fertilizer and water integrated device for vegetable cultivation, which comprises:
the main fertilizer box is communicated with a first metering valve, the first metering valve is connected with a main controller, and the main controller is communicated with a power supply device;
the middle of the auxiliary fertilizer box is provided with a partition plate, the left side part of the partition plate of the auxiliary fertilizer box is communicated with a second metering valve, the left side part of the partition plate of the auxiliary fertilizer box is used for containing acid fertilizer, the right side part of the partition plate of the auxiliary fertilizer box is communicated with a third metering valve, the right side part of the partition plate of the auxiliary fertilizer box is used for containing alkaline fertilizer, and the second metering valve and the third metering valve are both communicated with the main controller;
the agitator, with first metering valve, second metering valve and third metering valve all communicate, the agitator still communicates there is water supply installation, and agitator and water supply installation all are connected with the master controller electricity, and the agitator intercommunication has the outlet pipe, the outlet pipe is equipped with the PH tester, the PH tester with the master controller electricity is connected, and the PH tester is used for the test the PH value of the liquid in the pipeline to with PH value signal transmission to master controller, the action of master controller according to PH value signal control second metering valve or third metering valve.
Preferably, the outlet pipe still is connected with filtering mechanism, filtering mechanism one end with the outlet pipe intercommunication, filtering mechanism's other end intercommunication has main conveyer pipe, main conveyer pipe intercommunication has a plurality of branch conveyer pipes, and every divides the conveyer pipe all to have a plurality of water jets, and a plurality of branch conveyer pipes all bury under planting soil.
Preferably, the filtering mechanism comprises a shell, a plunger, a sealing cover, a power device and a filter screen, the shell is provided with a first feeding hole, a first discharging hole and a second discharging hole, the first feed inlet is communicated with the water outlet pipe, the first discharge outlet is communicated with the main conveying pipe, the second discharge hole is communicated with the atmosphere, the plunger is in sealing sliding connection with the inner cavity of the shell, the plunger is provided with a first water through hole, a water through hole and a second water through hole, the first feed inlet can be communicated with the first water through hole and the first discharge hole at the same time, the first feed inlet can be communicated with the second water through hole and the first water through hole is communicated with the second discharge hole at the same time, the sealing cover is connected with the opening of the shell in a sealing mode, the output end of the power device is fixedly connected with the plunger, the power device is electrically connected with the main controller, and the filter screen is arranged between the first water through hole and the water through hole.
Preferably, the outlet pipe still is equipped with first hydraulic sensor, main conveyer pipe is equipped with second hydraulic sensor, first hydraulic sensor and second hydraulic sensor all with the master controller electricity is connected, and first hydraulic sensor is used for detecting the fluid pressure of first feed inlet department and carries pressure signal to the master controller, second hydraulic sensor is used for detecting the pressure of the fluid of first discharge outlet department and carries pressure signal to the master controller, and the master controller is according to pressure signal control the power device action.
The better still includes soil detection appearance, soil detection appearance with the master controller electricity is connected, and soil detection appearance is used for detecting the soil pH value and the humidity of planting soil and with pH value signal and humidity signal transmission to master controller, and the action of second metering valve and third metering valve is controlled according to pH value signal and the humidity signal that soil detection appearance detected to the master controller.
Preferably, a fourth metering valve is further arranged between the main delivery pipe and the plurality of branch delivery pipes, and the fourth metering valve is electrically connected with the main controller.
Preferably, a limit stop is fixedly connected to the filter screen in the first water through hole and used for limiting the movement of the filter screen.
Compared with the prior art, the invention has the beneficial effects that: the intelligent fertilizer-water integrated device for vegetable cultivation can quantitatively control water and fertilizer, can adjust the pH of fertilizer water in real time to adapt to the influence of different vegetables on the pH of soil, thereby ensuring normal activity of vegetable roots and normal growth of the vegetables.
Impurities in the fertilizer water can be effectively removed by arranging the filtering device, so that the water spraying opening of the sub-conveying pipe is effectively prevented from being blocked by the impurities in the fertilizer water. The filtering mechanism of the device can timely clean the filtering mechanism after the completion of fertilization and irrigation or when the filtering mechanism is blocked at every time, and the normal operation of the whole device is ensured. Whether the automatic monitoring filtering mechanism is blocked or not can be realized by arranging the first hydraulic sensor and the second hydraulic sensor, and the filtering mechanism is cleaned automatically in time after the filtering mechanism is blocked. Whether irrigation and watering can be carried out according to the humidity automatic judgment of planting soil through setting up soil detection appearance, the PH that can also adjust planting soil to the requirement of different vegetables to soil water content and pH valve adapts to. Through setting up the fourth metering valve, can only irrigate and water to the plot that need irrigate and water to carry out the fine management to vegetable planting, save the cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a main sectional view of the filter mechanism of the present invention;
FIG. 3 is a cross-sectional view of the A-A side of the filter mechanism of the present invention.
Description of reference numerals:
101. the soil conditioner comprises a main fertilizer box, 102, a first metering valve, 103, an auxiliary fertilizer box, 104, a third metering valve, 105, a stirrer, 106, a second metering valve, 107, a water supply device, 108, a PH tester, 109, a main delivery pipe, 110, a branch delivery pipe, 111, planting soil, 201, a shell, 202, a plunger, 203, a sealing cover, 204, a power device, 205, a filter screen, 206, a first feeding hole, 207, a first discharging hole, 208, a second discharging hole, 209, a first water through hole, 210, a water through hole, 211, a second water through hole, 301, a first hydraulic sensor, 302, a second hydraulic sensor, 4, a soil tester, 5, a fourth metering valve and 6 limit stops.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be made with reference to the accompanying drawings 1-3, although it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1:
as shown in fig. 1, the present invention provides an intelligent fertilizer and water integrated device for vegetable cultivation, which comprises: the fertilizer mixing device comprises a main fertilizer box 101, an auxiliary fertilizer box 103 and a stirrer 105, wherein the main fertilizer box 101 is communicated with a first metering valve 102, the first metering valve 102 is connected with a main controller, and the main controller is communicated with a power supply device; a partition plate is arranged in the middle of the auxiliary fertilizer box 103, the left side part of the partition plate of the auxiliary fertilizer box 103 is communicated with a second metering valve 106, the left side part of the partition plate of the auxiliary fertilizer box 103 is used for containing acid fertilizer, the right side part of the partition plate of the auxiliary fertilizer box 103 is communicated with a third metering valve 104, the right side part of the partition plate of the auxiliary fertilizer box 103 is used for containing alkaline fertilizer, and the second metering valve 106 and the third metering valve 104 are both communicated with the main controller; agitator 105 with first metering valve 102, second metering valve 106 and third metering valve 104 all communicate, agitator 105 still communicates water supply installation 107, and agitator 105 and water supply installation 107 all are connected with the master controller electricity, and agitator 105 intercommunication has the outlet pipe, the outlet pipe is equipped with PH tester 108, PH tester 108 with the master controller electricity is connected, and PH tester 108 is used for testing the PH value of the liquid in the pipeline to with PH value signal transmission to master controller, the action of master controller according to PH value signal control second metering valve 106 or third metering valve 106.
The working principle of example 1 is now briefly described:
before fertigation, the main controller controls the first metering valve 102 to be closed, the second metering valve 106 and the third metering valve 104 to be closed, the water supply device 107 is used for supplying water, the water enters the stirrer 105, the stirrer 105 is opened, and the whole device is cleaned by the water. After through a ration water, the first metering valve 102 of master controller control is opened and water supply installation 107 supplies water, fertilizer in the main fertilizer case lets in agitator 105, water also lets in agitator 105, the PH value of fertilizer water in the pipeline is monitored in real time to PH tester 108, and through the action of master controller real time control second metering valve 106 and third metering valve 104, and then add appropriate amount acid fertilizer or acid and alkaline fertilizer for in the agitator, and then the PH of real-time regulation fertilizer water, and then make the suitable vegetables of planting of PH of fertilizer water. After the fertilization and irrigation are completed, the main controller controls the first metering valve 102 to be closed, the second metering valve 106 to be closed and the third metering valve 106 to be closed, the water supply device 107 supplies water, and the whole device is cleaned.
The intelligent fertilizer-water integrated device for vegetable cultivation can quantitatively control water and fertilizer, can adjust the pH of fertilizer water in real time to adapt to the influence of different vegetables on the pH of soil, thereby ensuring normal activity of vegetable roots and normal growth of the vegetables.
Example 2:
on the basis of the embodiment 1, in order to improve the utilization rate of the water and the fertilizer.
As shown in fig. 1, the water outlet pipe is further connected with a filtering mechanism, one end of the filtering mechanism is communicated with the water outlet pipe, the other end of the filtering mechanism is communicated with a main conveying pipe 109, the main conveying pipe 109 is communicated with a plurality of sub-conveying pipes 110, each sub-conveying pipe 110 is provided with a plurality of water spraying openings, and the plurality of sub-conveying pipes 110 are all buried under planting soil 111.
Utilize the water jet that divides conveyer pipe 110 to carry out the burette to vegetables, can improve the utilization ratio of liquid manure, irrigation water often contains magnesium ion, foreign ion such as calcium ion, when the pH value of irrigation water reaches certain numerical value, the magnesium ion of irrigation water, calcium ion will take place chemical reaction and then produce the sediment with carbonate ion and sulfate ion plasma in the fertilizer, and irrigation water is mostly not clean water, consequently, contain a large amount of impurity in the fertilizer water, can effectively dispel the impurity in the fertilizer water through setting up filter equipment, thereby effectively prevent the water jet that foreign matter in the fertilizer water from blockking up branch conveyer pipe 110.
Example 3:
in addition to example 2, the filter device was automatically cleaned after clogging of the filter device.
As shown in fig. 2 and 3, the filtering mechanism includes a housing 201, a plunger 202, a cover 203, a power device 204 and a filter screen 205, the housing 201 is provided with a first inlet 206, a first outlet 207 and a second outlet 208, the first inlet 206 is communicated with the outlet pipe, the first outlet 207 is communicated with the main conveying pipe 109, the second outlet 208 is communicated with the atmosphere, the plunger 202 is connected with the inner cavity of the housing 201 in a sealing and sliding manner, the plunger 202 is provided with a first water passage 209, a water passage 210 and a second water passage 211, the first inlet 206 can be communicated with the first water passage 209 and the second outlet 207 at the same time, the first inlet 206 can be communicated with the second water passage 211 and the first water passage 209 is communicated with the second outlet 208, the cover 203 is connected with the housing 201 in an opening and sealing manner, the output end of the power device 204 is fixedly connected with the plunger 202, the power device 204 is electrically connected with the main controller, and the filter screen 205 is arranged between the first water through port 209 and the water through hole 210.
After the impurities in the fertilizer water are filtered by the filter mechanism, the impurities are accumulated on the filter screen 205 of the filter mechanism, and therefore, the filter screen 205 of the filter mechanism needs to be cleaned at regular time. When fertilizing and irrigating, the main controller controls the power device 204 to rotate, so as to drive the plunger 202 to rotate, and therefore the first feeding hole 206 is communicated with the first water passing hole 209, and the second water passing hole 211 is communicated with the first discharging hole 207. At this time, the fertilizer water passes through the filter screen 205 from the front side of the filter screen 205, and then the fertilizer water is filtered, and the filtered fertilizer water passes through the second water through opening 211, the first discharge opening 207 and the main conveying pipe 109, and is sprayed into the planting soil 111 through the branch conveying pipe 110, so as to fertilize and irrigate the vegetables. When the fertilization and irrigation are completed or the filtering mechanism is blocked, the power device 204 is controlled to rotate by the main controller, the plunger 202 is driven to rotate, the first feeding hole 206 is communicated with the second water through hole 211, the first water through hole 209 is communicated with the second discharging hole 208, meanwhile, the main controller controls the first metering valve 102 to be closed, the second metering valve 106 to be closed, the third metering valve 106 to be closed, the water supply device 107 supplies water, clean water penetrates through the filter screen 205 from the back of the filter screen 205, the filter screen 205 is cleaned by the clean water, and waste water for cleaning the filter screen 205 is discharged from the device through the first water through hole 209 and the second discharging hole 208.
The filtering mechanism of the device can timely clean the filtering mechanism after the completion of fertilization and irrigation or when the filtering mechanism is blocked at every time, and the normal operation of the whole device is ensured.
Example 3:
on the basis of embodiment 2, in order to automatically monitor whether the filter mechanism is blocked and automatically clean the filter mechanism in time after the filter mechanism is blocked.
As shown in fig. 1, the water outlet pipe is further provided with a first hydraulic sensor 301, the main conveying pipe 109 is provided with a second hydraulic sensor 302, the first hydraulic sensor 301 and the second hydraulic sensor 302 are both electrically connected to the master controller, the first hydraulic sensor 301 is used for detecting the liquid pressure at the first feed port 206 and transmitting a pressure signal to the master controller, the second hydraulic sensor 302 is used for detecting the liquid pressure at the first discharge port 207 and transmitting a pressure signal to the master controller, and the master controller controls the power device 204 to operate according to the pressure signal.
After the filter mechanism is blocked, the hydraulic pressure difference between two ends of the filter mechanism is increased, the first hydraulic sensor 301 and the second hydraulic sensor 302 detect the pressures at two ends of the filter mechanism in real time, the master controller calculates the pressure difference, and then compares the pressure difference with the preset pressure difference, if the real-time pressure difference is greater than the preset pressure difference, the power device 204 is controlled to act, so as to drive the plunger 202 to move, the first feed inlet 206 is communicated with the second water vent 211, the first water vent 209 is communicated with the second discharge outlet 208, so as to clean the filter screen 205 with clean water, and the waste water for cleaning the filter screen 205 is discharged from the device through the first water vent 209 and the second discharge outlet 208. Whether the automatic monitoring filtering mechanism is blocked or not can be realized by arranging the first hydraulic sensor 301 and the second hydraulic sensor 302, and the filtering mechanism is cleaned automatically in time after the filtering mechanism is blocked.
Example 4:
in addition to example 1, the PH of the planting soil 111 can be adjusted so that whether or not irrigation and watering are performed can be automatically determined based on the humidity of the planting soil 111.
As shown in fig. 1, a soil detector 4 is further inserted into the planting soil 111, the soil detector 4 is electrically connected to the master controller, the soil detector 4 is configured to detect a PH value and humidity of the soil 111 and transmit a PH value signal and a humidity signal to the master controller, and the master controller controls the second metering valve 106 and the third metering valve 106 according to the PH value signal and the humidity signal detected by the soil detector 4.
Since each vegetable has different requirements for the water content of the soil, the water content value of the soil is preset in the main controller according to the variety of the vegetable planted in the planting soil 111. Soil moisture signal is gathered to soil detection appearance 4 to in humidity signal transfer to the master controller, the master controller is with real-time humidity signal and soil preset water content signal and do the contrast, judge whether need irrigation watering and then control water supply installation 107 action. Furthermore, since each vegetable has different requirements for the pH of the soil, the pH of the soil is preset in the master controller according to the variety of the vegetable planted in the planting soil 111. The soil detector 4 collects a soil pH value signal and transmits the pH value signal to the main controller, the main controller compares the real-time pH value signal with a preset soil pH value to judge the fertilization proportion of the acid fertilizer and the alkaline fertilizer, and the main controller controls the second metering valve 106 and the third metering valve 104 to act. Whether irrigation and watering can be carried out according to the humidity automatic judgment of planting soil 111 through setting up soil detection appearance 4, the PH of planting soil 111 can also be adjusted to the requirement of different vegetables to soil water content and pH valve.
As shown in fig. 1, as a preferable scheme, a fourth metering valve 5 is further provided between the plurality of branch delivery pipes 110 communicated with the main delivery pipe 109, and the fourth metering valve 5 is electrically connected with the main controller. Because the water content of the soil on every conveyer pipe is probably different, through setting up fourth metering valve 5, can only irrigate and water to the plot that needs irrigate and water to carry out the fine management to vegetable planting, save the cost.
As shown in fig. 2 and 3, as a preferable scheme, a limit stop 6 is fixedly connected to the filter screen 205 in the first water passage port 209, and the limit stop 6 is used for limiting the movement of the filter screen 205. The movement of the filter screen 205 is limited by the limit stop 6, so that the filter screen 205 can be effectively prevented from vibrating due to pressure difference and being deviated to influence the filtering effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an integrative device of intelligent liquid manure for vegetable cultivation which characterized in that includes:
the main fertilizer box (101) is communicated with a first metering valve (102), the first metering valve (102) is connected with a main controller, and the main controller is communicated with a power supply device;
the middle of the auxiliary fertilizer box (103) is provided with a partition plate, the left side part of the partition plate of the auxiliary fertilizer box (103) is communicated with a second metering valve (106), the left side part of the partition plate of the auxiliary fertilizer box (103) is used for containing acid fertilizer, the right side part of the partition plate of the auxiliary fertilizer box (103) is communicated with a third metering valve (104), the right side part of the partition plate of the auxiliary fertilizer box (103) is used for containing alkaline fertilizer, and the second metering valve (106) and the third metering valve (104) are both communicated with the main controller;
agitator (105), with first metering valve (102), second metering valve (106) and third metering valve (104) all communicate, agitator (105) still communicate water supply installation (107), and agitator (105) and water supply installation (107) all are connected with the master controller electricity, and agitator (105) intercommunication has the outlet pipe, the outlet pipe is equipped with PH tester (108), PH tester (108) with the master controller electricity is connected, and PH tester (108) are used for the test the PH value of the liquid in the pipeline to with PH value signal transmission to master controller, master controller according to the action of PH value signal control second metering valve (106) or third metering valve (106).
2. The intelligent fertilizer and water integrated device for vegetable cultivation as claimed in claim 1, wherein the water outlet pipe is further connected with a filtering mechanism, one end of the filtering mechanism is communicated with the water outlet pipe, the other end of the filtering mechanism is communicated with a main conveying pipe (109), the main conveying pipe (109) is communicated with a plurality of branch conveying pipes (110), each branch conveying pipe (110) is provided with a plurality of water spraying openings, and the branch conveying pipes (110) are buried under the planting soil (111).
3. The intelligent integrative fertilizer and water device for vegetable cultivation as claimed in claim 1, wherein the filtering mechanism comprises a housing (201), a plunger (202), a cover (203), a power device (204) and a filter screen (205), the housing (201) is provided with a first inlet (206), a first outlet (207) and a second outlet (208), the first inlet (206) is communicated with the water outlet pipe, the first outlet (207) is communicated with the main conveying pipe (109), the second outlet (208) is communicated with the atmosphere, the plunger (202) is in sliding connection with the inner cavity of the housing (201) in a sealing manner, the plunger (202) is provided with a first water through opening (209), a water through hole (210) and a second water through opening (211), the first inlet (206) can be communicated with the first water through opening (209) while the second water through opening (211) is communicated with the first outlet (207), first feed inlet (206) can first water passage (209) and second discharge gate (208) intercommunication when communicating with second water passage (211), closing cap (203) and casing (201) opening sealing connection, power device (204)'s output links firmly with plunger (202), power device (204) with the master controller electricity is connected, filter screen (205) are located between first water passage (209) and limbers (210).
4. The intelligent fertilizer and water integrated device for vegetable cultivation as claimed in claim 3, wherein the water outlet pipe is further provided with a first hydraulic sensor (301), the main conveying pipe (109) is provided with a second hydraulic sensor (302), the first hydraulic sensor (301) and the second hydraulic sensor (302) are both electrically connected with the master controller, the first hydraulic sensor (301) is used for detecting the liquid pressure at the first feeding hole (206) and transmitting a pressure signal to the master controller, the second hydraulic sensor (302) is used for detecting the liquid pressure at the first discharging hole (207) and transmitting a pressure signal to the master controller, and the master controller controls the power device (204) to act according to the pressure signal.
5. The intelligent fertilizer and water integrated device for vegetable cultivation as claimed in claim 1, further comprising a soil detector (4), wherein the soil detector (4) is electrically connected with the master controller, the soil detector (4) is used for detecting the pH value and humidity of soil planted in the soil (111) and transmitting a pH value signal and a humidity signal to the master controller, and the master controller controls the second metering valve (106) and the third metering valve (106) to act according to the pH value signal and the humidity signal detected by the soil detector (4).
6. The intelligent integrated fertilizer and water device for vegetable cultivation as claimed in claim 5, wherein a fourth metering valve (5) is further arranged between the main delivery pipe (109) and the plurality of branch delivery pipes (110), and the fourth metering valve (5) is electrically connected with the main controller.
7. The intelligent integrated fertilizer and water device for vegetable cultivation as claimed in claim 2, wherein a limit stop (6) is fixedly connected to the filter screen (205) in the first water port (209), and the limit stop (6) is used for limiting the movement of the filter screen (205).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115486297A (en) * | 2022-09-20 | 2022-12-20 | 贵溪欧绿多肉植物有限公司 | Environment regulation and control device for green planting |
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Application publication date: 20210709 |