CN205865422U - Roof plant irrigation system - Google Patents
Roof plant irrigation system Download PDFInfo
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- CN205865422U CN205865422U CN201620850160.XU CN201620850160U CN205865422U CN 205865422 U CN205865422 U CN 205865422U CN 201620850160 U CN201620850160 U CN 201620850160U CN 205865422 U CN205865422 U CN 205865422U
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- 238000003973 irrigation Methods 0.000 title claims abstract description 37
- 230000002262 irrigation Effects 0.000 title claims abstract description 37
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- 238000001514 detection method Methods 0.000 claims abstract description 36
- 230000001808 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000004083 survival Effects 0.000 abstract description 2
- 230000002349 favourable Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000002689 soil Substances 0.000 description 10
- 239000007921 spray Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000005080 plant death Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Abstract
The utility model discloses a roof plant irrigation system, use the pipeline unit including the control unit, water storage unit and irrigation, still include: temperature detecting element for detect the temperature of the roof environment that the plant is located, export a temperature detection of signal to the control unit, the pipeline unit includes an at least water pipe that is linked together with the water storage unit and sets up water jet and the atomizing nozzle on the water pipe, is provided with first solenoid valve and second solenoid valve with the control unit control connection between water jet and atomizing nozzle and the water pipe respectively, the first solenoid valve of the control unit timing control switches on to in response to temperature detection of signal change the first solenoid valve of control, the second solenoid valve switches on simultaneously, through setting up water jet and atomizing nozzle, starts the two simultaneously when ambient temperature is too high, has guaranteed that plant species plants layer ambient temperature when irrigating and is in appropriate interval, is favorable to the plant to the absorption of moisture, improves the survival rate of roof plant.
Description
Technical field
This utility model relates to roof plants plantation equipment technical field, more specifically, it relates to a kind of roof plants
Irrigation system.
Background technology
Along with the development in city, the tropical island effect that city produces, the deterioration of city atmospheric environment is increasingly severe.Room, city
Top greening can be greatly increased the green coverage in city, purifying city air, alleviates tropical island effect.But, roof plants is planted
Some problems, such as, high temperature time in summer are occurred in that in practice process, owing to temperature is the highest, and the planting soil of roof plants
Layer is the most shallow, is easily caused plant hydropenia dead.Existing roof plants irrigation system, is mostly timing irrigation, also in relation with soil
Humidity is irrigated, and if patent announcement number is the Chinese patent of CN203939190U, discloses a kind of roof garden, and it is by certainly
Humidity in dynamic detection plantation soil layer, when humidity is less than preset value, controller is then opened electromagnetic valve and is filled to plantation soil layer water flowing
Irrigating plantation layer, there is a bigger problem in such scheme: the temperature on roof the most relatively surface temperature is high, and plant is in the highest
In the environment of temperature, direct irrigation can allow on the contrary Plant death (irrigation makes plant root temperature reduce, water absorption reduce, and
External high temperature environment Leaf transpiration but increased, and the phenomenon that moisture is unable to make ends meet occurs in plant, dehydration finally occurs
Property dead).How according to the real time environment residing for plant, plant suitably to be irrigated, for improving the survival of roof plants
Rate, improves urban environment significant.
Utility model content
Not suiting ambient temperature for roof plants irrigation system in practice, irrigation method is single and causes roof
The problem of Plant death, this utility model is to provide a kind of roof plants irrigation system.
For the roof plants irrigation system in this utility model, concrete scheme is as follows:
A kind of roof plants irrigation system, including control unit, water cell and irrigation pipe-line cell, also includes:
Temperature detecting unit, is arranged at roof plants plantation layer surface, for detecting the temperature of roof plants local environment,
Export a temperature detection signal to control unit；
Described pipe-line cell includes at least water pipe being connected with water cell and the current being arranged on water pipe
Nozzle and atomizer, be respectively arranged with between described water jet and atomizer and described water pipe and described control unit control
First electromagnetic valve of system connection and the second electromagnetic valve；
Described control unit timing controlled the first solenoid valve conduction, and in response to described temperature detection signal change control the
One electromagnetic valve, the second electromagnetic valve simultaneously turn on.
By technique scheme, when the temperature of roof plants plantation layer local environment is in normal interval, controller
Timing controlled the first solenoid valve conduction, at this moment uses water jet to irrigate, roof plants plantation layer when temperature exceedes pre-
If during value, the first electromagnetic valve and the second electromagnetic valve simultaneously turn on, and at this moment open atomization spray while utilizing water jet to irrigate
Mouth so that ambient temperature during plant irrigation decreases, it is to avoid ambient temperature is too high owing to plant root temperature declines
And the improvement of the healthy growth of the phenomenon of the plant dehydration caused, beneficially roof plants, beneficially urban environment.
Further, described temperature detecting unit includes that at least one temperature being arranged at roof plants plantation layer surface passes
Sensor, described temperature sensor detection plantation layer ambient temperature also exports described temperature detection signal.
By technique scheme, the temperature of roof plants plantation layer local environment can be detected very easily.
Further, described control unit includes:
Reference voltage generation module, in order to generate the first reference voltage signal, the second reference voltage signal and the 3rd benchmark
Voltage signal；
Comparison module, including the first comparator and the second comparator, the forward signal input of described first comparator with
Non-inverting signal input thereof receives described temperature detection signal and the first reference voltage signal respectively, exports the first comparison signal；Institute
The non-inverting signal input thereof stating the second comparator receives described temperature detection signal and the second benchmark electricity with forward signal input
Pressure signal, exports the second comparison signal；
Timer module, including an intervalometer, the signal output part timing output high level signal of described intervalometer, continues
Output low level signal after Preset Time；
Signal processing module, including first with door, second with door and the 3rd and door, described first with the signal input part of door
Being respectively coupled to the first comparison signal and the second comparison signal, signal output part exports the first M signal；Described second and door
Signal input part be respectively coupled to signal output part and first M signal of intervalometer, signal output part and the first electromagnetic valve
Electrical connection；Described 3rd couples with the signal output part of described intervalometer with one of them signal input part of door, another signal
Input non-couples with the second comparison signal behind the door through one, the described 3rd with the signal output part of door and described second electromagnetic valve electricity
Connect.
By technique scheme, the first comparator and the second comparator may determine that the humidity province of plant growing layer
Between, when temperature roof plants plantation layer local environment being detected is in above-mentioned interval, first exports a high level letter with door
Number, as long as now intervalometer output high level signal, the first electromagnetic valve is just switched on, the irrigation master of at this moment roof plants plantation layer
The set of time of intervalometer to be depended on.When ambient temperature is higher than said temperature interval, the second comparator exports a low level
Signal, through not gate reversely after become high level, now second with the signal output part output high level of door, if the most now intervalometer
Output high level, then the 3rd say output high level with door, and the second electromagnetic valve will be switched on, and now, is planting roof plants
While layer is irrigated, it is environment temperature reduction that atomizer also can spray water smoke.Equally, when ambient temperature is the lowest, it is not easy to
Irrigate, at this moment the first comparator output low level, the second comparator output high level, after intervalometer exports high level, only
Second solenoid valve conduction, atomizer sprays water smoke rather than irrigates directly to plant growing layer.
Further, it is provided with a delay state between the described 3rd and the signal output part of door and the second electromagnetic valve to latch
Device.
By arranging status latch, can effectively extend the working time of atomizer so that plant growing layer exists
In a period of time after irrigation, environment around can be in ratio temperature conveniently.
Further, described roof plants plantation layer is provided with one for detecting the humidity inspection of roof plants plantation layer humidity
Surveying unit, described humidity detection unit exports a Humidity Detection signal to described control unit；
Described control unit also includes that one the 3rd comparator, the non-inverting signal input thereof of described 3rd comparator are believed with forward
Number input couples with described Humidity Detection signal and the 3rd reference voltage signal respectively, outfan output one triggering signal；
Being provided with a switch element between described second and gate signal outfan and the first electromagnetic valve, described switch element rings
Trigger signal described in Ying Yu, control the break-make between second and gate signal outfan and the first electromagnetic valve.
By technique scheme, when soil moisture is bigger, at this moment switch element shutoff second and door and the first electromagnetism
Signal of telecommunication transmission channel between valve, the first electromagnetic valve at timing to being the most also opened, it is ensured that plant growing
Layer will not be repeated to irrigate.
Further, described switch element includes being arranged between second and gate signal outfan and the first electromagnetic valve
NMOS tube, the grid of described NMOS tube and above-mentioned triggering signal couple, the drain electrode of described NMOS tube and source electrode respectively with second with
Signal output part and the first electromagnetic valve input of door couple.
By technique scheme, when triggering signal and being high level, when i.e. soil moisture is too small, NMOS tube is switched on,
If now intervalometer timing arrives, the first electromagnetic valve is just switched on.
Further, described water cell includes that a water tank, described water tank are made up of pottery and are connected with described water pipe.
By technique scheme, the water for irrigating can be preheated, the temperature of water body is properly increased.
The beneficial effects of the utility model are as follows:
(1) by arranging water jet and atomizer, start the two when ambient temperature is too high, it is ensured that plant simultaneously
Plantation layer ambient temperature when irrigating is in the absorption to moisture of suitable interval, beneficially plant, improves depositing of roof plants
Motility rate；
(2) by arranging humidity sensor, it is to avoid plant growing layer is repeated when soil moisture is bigger to irrigate.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model；
Fig. 2 is the circuit theory schematic diagram (embodiment one) of control unit；
Fig. 3 is the circuit theory schematic diagram (embodiment two) of control unit.
Accompanying drawing mark: 1, plant growing layer；2, temperature detecting unit；3, pipe-line cell；4, water cell；5, list is controlled
Unit；31, water pipe；32, the first electromagnetic valve；33, the second electromagnetic valve；34, water jet；35, atomizer；21, temperature sensor；
51, reference voltage generation module；52, comparison module；53, the first comparator；54, the second comparator；55, intervalometer；56, signal
Processing module；561, first and door；562, second and door；563, the 3rd and door；564, not gate；6, humidity detection unit；61,
Three comparators；7, switch element.
Detailed description of the invention
This utility model is to provide one can to change plant irrigation mode according to ambient temperature, thus be more beneficial for
The roof plants irrigation system of plant growing.
Below in conjunction with embodiment and figure, the utility model is described in further detail, but embodiment party of the present utility model
Formula is not limited only to this.
Embodiment one: as depicted in figs. 1 and 2, a kind of roof plants irrigation system, its agent structure and prior art class
Seemingly, control unit 5, water cell 4 and irrigation pipe-line cell 3 are mainly included.Above-mentioned control unit 5 is arranged at roof
In control chamber, irrigation pipe-line cell 3 includes being arranged at the water pipe 31 on plantation layer, and water cell 4 includes that a water tank is used
In storage rainwater or tap water.In addition, this roof plants irrigation system also includes: temperature detecting unit 2, is arranged at roof
Plant growing layer 1 surface, for detecting the temperature of roof plants local environment, exports a temperature detection signal to control unit 5；
Pipe-line cell 3 includes at least water pipe 31 being connected with water cell 4 and the water jet 34 being arranged on water pipe 31
Control to be connected with control unit 5 with being respectively arranged with between atomizer 35, water jet 34 and atomizer 35 with water pipe 31
The first electromagnetic valve 32 and the second electromagnetic valve 33；Control unit 5 timing controlled the first electromagnetic valve 32 turns on, and in response to temperature
Change in detection signal controls first electromagnetic valve the 32, second electromagnetic valve 33 and simultaneously turns on.Technique scheme, when roof plants is planted
When the temperature of layer 1 local environment is in normal interval, controller timing controlled the first electromagnetic valve 32 turns on, and at this moment uses current spray
Roof plants plantation layer 1 is irrigated by mouth 34, and when temperature exceedes preset value, the first electromagnetic valve 32 and the second electromagnetic valve 33 are same
Time conducting, at this moment utilize water jet 34 irrigate while open atomizer 35 so that ambient temperature during plant irrigation
Decrease, it is to avoid owing to plant root temperature declines, ambient temperature is too high and the phenomenon of plant dehydration that causes, favorably
Improvement in the healthy growth of roof plants, beneficially urban environment.
For temperature detecting unit 2, mainly include that at least one is arranged at the temperature sensing on roof plants plantation layer 1 surface
Device 21, for ensureing the precision of detection in practice, the quantity of the sensor may be multiple, temperature sensor 21 detection kind
Plant layer ambient temperature output temperature detection signal.
For control unit 5, including:
Reference voltage generation module 51, in order to generate the first reference voltage signal, the second reference voltage signal and the 3rd base
Quasi-voltage signal；Comparison module 52, including the first comparator 53 and the second comparator 54, the forward signal of the first comparator 53 is defeated
Enter end and receive temperature detection signal and the first reference voltage signal respectively with non-inverting signal input thereof, export the first comparison signal；
The non-inverting signal input thereof of the second comparator 54 and forward signal input receive temperature detection signal and the second reference voltage letter
Number, export the second comparison signal；Timer module, including an intervalometer 55, the signal output part timing output of intervalometer 55 is high
Level signal, continues output low level signal after Preset Time, due to intervalometer 55 timing output low and high level technology
Have many open, just repeat no more at this.Signal processing module 56, including first with door 561, second and door 562 and the 3rd with
Door 563, the first is respectively coupled to the first comparison signal and the second comparison signal, signal output part with the signal input part of door 561
Export the first M signal；Second is respectively coupled to the signal output part and first of intervalometer 55 with the signal input part of door 562
M signal, signal output part and the first electromagnetic valve 32 electrically connect；3rd with one of them signal input part of door 563 and timing
The signal output part of device 55 couples, and another signal input part couples with the second comparison signal after a not gate 564, the 3rd and door
Signal output part and second electromagnetic valve 33 of 563 electrically connect.
Said reference voltage generation module 51 includes that at least three is serially connected the resistance that dividing potential drop is arranged, said reference voltage
Picking out between above-mentioned adjacent two resistance, the advantage of this set is when supply voltage is constant, so that benchmark is electric
Pressure keeps constant.
The control process of above-mentioned control unit 5 is as follows: set the first reference voltage signal and the second reference voltage signal, by
First comparator 53 and the second comparator 54 may determine that the temperature range of plant growing layer 1, when detecting that roof plants is planted
When the temperature of layer 1 local environment is in above-mentioned interval, first exports a high level signal with door 561, if now intervalometer 55
Output high level signal, the first electromagnetic valve 32 is just switched on, and the irrigation of at this moment roof plants plantation layer 1 depends primarily on intervalometer
The set of time of 55.When ambient temperature is higher than said temperature interval, the second comparator 54 exports a low level signal, through not gate
564 reversely after become high level, now second with the signal output part output high level of door 562, if the most now intervalometer 55 is defeated
Going out high level, then the 3rd say output high level with door 563, the second electromagnetic valve 33 will be switched on, now, to roof plants kind
Planting while layer 1 irrigates, it is environment temperature reduction that atomizer 35 also can spray water smoke.Equally, when ambient temperature is the lowest, no
Being prone to irrigate, at this moment the first comparator 53 output low level, the second comparator 54 exports high level, when intervalometer 55 exports high electricity
After Ping, the only second electromagnetic valve 33 turns on, and atomizer 35 sprays water smoke rather than irrigates directly to plant growing layer 1.
In order to effectively extend the working time of atomizer 35 so that plant growing layer 1 a period of time after irrigation
In, environment around can be in ratio temperature conveniently, the 3rd and the signal output part of door 563 and the second electromagnetic valve 33
Between be provided with a delay state latch.
Water tank is made up of pottery and is connected with water pipe 31, by technique scheme, can enter the water for irrigating
Row preheating, properly increases the temperature of water body.
Embodiment two: combine shown in Fig. 1 Yu Fig. 3, a kind of roof plants irrigation system, the difference with embodiment one is:
Roof plants plantation layer 1 is provided with one for detecting the humidity detection unit 6 of roof plants plantation layer 1 humidity, Humidity Detection list
Unit 6 output one Humidity Detection signal is to control unit 5, and control unit 5 also includes one the 3rd comparator 61, the 3rd comparator 61
Non-inverting signal input thereof and forward signal input respectively with Humidity Detection signal and the 3rd reference voltage signal (i.e. embodiment one
In the 3rd reference voltage signal) couple, outfan output one triggering signal, second is electric with first with door 562 signal output part
Being provided with a switch element 7 between magnet valve 32, switch element 7 is in response to triggering signal, control second and door 562 signal output part
And the break-make between the first electromagnetic valve 32.Above-mentioned humidity detection unit 6 mainly includes a moisture detection sensor.
When soil moisture is bigger, at this moment switch element 7 turns off the telecommunications between second and door 562 and the first electromagnetic valve 32
Number transmission channel, the first electromagnetic valve 32 at timing to being the most also opened, it is ensured that plant growing layer 1 will not be weighed
Multiple irrigation.
Specifically, switch element 7 includes being arranged between second and door 562 signal output part and the first electromagnetic valve 32
NMOS tube, the grid of NMOS tube and above-mentioned triggering signal couple, the drain electrode of NMOS tube and source electrode respectively with the letter of second Yu door 562
Number outfan and the first electromagnetic valve 32 input couple.It can also be switch triode that the components and parts of above-mentioned switch element 7 select
Deng, the most unique to this.In technique scheme, when triggering signal and being high level, when i.e. soil moisture is too small, NMOS tube quilt
Conducting, if now intervalometer 55 timing arrives, the first electromagnetic valve 32 is just switched on, and final effect is: work as soil moisture
During more than preset value, the first electromagnetic valve 32 timing to after will not open, the only second electromagnetic valve 33 turns on, now
Only can spray some water smokes, the suitable temperature reducing surrounding.
Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned
Embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It is right to it should be pointed out that,
For those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise,
These improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a roof plants irrigation system, including control unit (5), water cell (4) and irrigation pipe-line cell (3),
It is characterized in that, also include:
Temperature detecting unit (2), is arranged at roof plants plantation layer (1) surface, for detecting the temperature of roof plants local environment
Degree, exports a temperature detection signal to control unit (5)；
Described pipe-line cell (3) includes at least water pipe (31) being connected with water cell (4) and is arranged at water pipe
(31) water jet (34) on and atomizer (35), described water jet (34) and atomizer (35) and described water pipe
(31) the first electromagnetic valve (32) and the second electromagnetic valve controlling to be connected with described control unit (5) it is respectively arranged with between
(33)；
Described control unit (5) timing controlled the first electromagnetic valve (32) turns on, and in response to the change control of described temperature detection signal
Make the first electromagnetic valve (32), the second electromagnetic valve (33) simultaneously turns on.
Roof plants irrigation system the most according to claim 1, it is characterised in that described temperature detecting unit (2) includes
At least one is arranged at the temperature sensor (21) on roof plants plantation layer (1) surface, described temperature sensor (21) detection kind
Plant layer ambient temperature and export described temperature detection signal.
Roof plants irrigation system the most according to claim 1, it is characterised in that described control unit (5) including:
Reference voltage generation module (51), in order to generate the first reference voltage signal, the second reference voltage signal and the 3rd benchmark
Voltage signal；
Comparison module (52), including the first comparator (53) and the second comparator (54), the forward of described first comparator (53)
Signal input part and non-inverting signal input thereof receive described temperature detection signal and the first reference voltage signal respectively, export first
Comparison signal；The non-inverting signal input thereof of described second comparator (54) and forward signal input receive described temperature detection letter
Number and the second reference voltage signal, export the second comparison signal；
Timer module, including an intervalometer (55), the signal output part timing output high level signal of described intervalometer (55),
Continue output low level signal after Preset Time；
Signal processing module (56), including first with door (561), second with door (562) and the 3rd with door (563), described first
It is respectively coupled to the first comparison signal and the second comparison signal, signal output part output first with the signal input part of door (561)
M signal；Described second is respectively coupled to the signal output part and first of intervalometer (55) with the signal input part of door (562)
M signal, signal output part and the first electromagnetic valve (32) electrical connection；Described 3rd with the input of one of them signal of door (563)
Holding the signal output part with described intervalometer (55) to couple, another signal input part compares letter with second after a not gate (564)
Number coupling, the described 3rd electrically connects with described second electromagnetic valve (33) with the signal output part of door (563).
Roof plants irrigation system the most according to claim 3, it is characterised in that the described 3rd and the signal of door (563)
A delay state latch it is provided with between outfan and the second electromagnetic valve (33).
Roof plants irrigation system the most according to claim 3, it is characterised in that in described roof plants plantation layer (1)
Being provided with a humidity detection unit (6) planting layer (1) humidity for detecting roof plants, described humidity detection unit (6) exports
One Humidity Detection signal is to described control unit (5)；
Described control unit (5) also includes one the 3rd comparator (61), the non-inverting signal input thereof of described 3rd comparator (61)
Couple with described Humidity Detection signal and the 3rd reference voltage signal respectively with forward signal input, outfan output one triggering
Signal；
Be provided with a switch element (7) between described second and door (562) signal output part and the first electromagnetic valve (32), described in open
Pass element (7), in response to described triggering signal, controls between second and door (562) signal output part and the first electromagnetic valve (32)
Break-make.
Roof plants irrigation system the most according to claim 5, it is characterised in that described switch element (7) includes arranging
NMOS tube between second and door (562) signal output part and the first electromagnetic valve (32), the grid of described NMOS tube is with above-mentioned
Trigger signal couple, the drain electrode of described NMOS tube and source electrode respectively with second with the signal output part of door (562) and the first electromagnetism
Valve (32) input couples.
Roof plants irrigation system the most according to claim 1, it is characterised in that described water cell (4) includes a water
Case, described water tank is made up of pottery and is connected with described water pipe (31).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850160.XU CN205865422U (en) | 2016-08-06 | 2016-08-06 | Roof plant irrigation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620850160.XU CN205865422U (en) | 2016-08-06 | 2016-08-06 | Roof plant irrigation system |
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| CN205865422U true CN205865422U (en) | 2017-01-11 |
Family
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769671A (en) * | 2017-11-13 | 2019-05-21 | 广东工业大学 | A kind of Intelligent flower watering device |
| CN109874554A (en) * | 2019-03-11 | 2019-06-14 | 陈梓健 | A kind of building roof that the green plants for flat room is planted |
| CN111492958A (en) * | 2020-04-27 | 2020-08-07 | 嘉兴卉景园林有限公司 | Automatic water spray irrigation equipment in soil based on farmland |
-
2016
- 2016-08-06 CN CN201620850160.XU patent/CN205865422U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769671A (en) * | 2017-11-13 | 2019-05-21 | 广东工业大学 | A kind of Intelligent flower watering device |
| CN109874554A (en) * | 2019-03-11 | 2019-06-14 | 陈梓健 | A kind of building roof that the green plants for flat room is planted |
| CN111492958A (en) * | 2020-04-27 | 2020-08-07 | 嘉兴卉景园林有限公司 | Automatic water spray irrigation equipment in soil based on farmland |
| CN111492958B (en) * | 2020-04-27 | 2021-12-28 | 安徽省阜阳市大洋消防器材有限公司 | Automatic water spray irrigation equipment in soil based on farmland |
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