CN209824717U - Nursery watering device - Google Patents
Nursery watering device Download PDFInfo
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- CN209824717U CN209824717U CN201820849065.7U CN201820849065U CN209824717U CN 209824717 U CN209824717 U CN 209824717U CN 201820849065 U CN201820849065 U CN 201820849065U CN 209824717 U CN209824717 U CN 209824717U
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- soil humidity
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Abstract
The utility model relates to a technical field is irrigated in the nursery, in particular to nursery watering device, thereby for solving among the prior art watering untimely or irrigate the problem that influences the normal growth of nursery stock of the emergence of the unreasonable phenomenon of water yield, the utility model discloses a feed through in municipal pipe network and bury the inlet tube in soil underground, install the solenoid valve that is used for controlling whether rivers get into the inlet tube on the inlet tube, fixedly connected with a plurality of outlet pipe on the inlet tube, install the shower nozzle that is used for carrying out the sprinkling irrigation to the plant on the outlet pipe, its technical scheme main points lie in coupling has the control assembly who is used for opening and close according to soil humidity control solenoid valve on the solenoid valve, and the length of automated inspection soil humidity and control watering time further guarantees the normal growth of nursery stock.
Description
Technical Field
The utility model relates to a technical field is irrigated in the nursery, in particular to nursery watering device.
Background
In the nursery stock maintenance management, often need water plants such as nursery stock, among the prior art, for reducing artificial work load, use the shower nozzle of formula of burying that communicates in the water source to water the plant usually, thereby open and close the break-make in valve control shower nozzle water route on the shower nozzle according to weather and environmental conditions remote control through the manual work, can realize the control to plant watering time.
However, the irrigation method also depends on manual judgment of the opening and closing time of the valve, and the purpose of saving labor is achieved, but the phenomenon that the irrigation is not timely or the irrigation water amount is unreasonable also occurs, so that the normal growth of the nursery stock is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nursery watering device, the normal growth of nursery stock is further guaranteed to the length of automated inspection soil moisture and control watering time.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a nursery watering device, includes and communicates in municipal pipe network and bury the inlet tube in soil underground, install the solenoid valve that is used for controlling whether rivers get into the inlet tube on the inlet tube, a plurality of outlet pipe of fixedly connected with on the inlet tube, install the shower nozzle that is used for sprinkling irrigation to the plant on the outlet pipe, be coupled with on the solenoid valve and be used for the control assembly who opens and close according to soil moisture control solenoid valve, control assembly includes:
the soil humidity sensor is arranged in the soil and used for detecting the humidity of the soil and outputting a soil humidity detection value;
the first comparison circuit is coupled to the output end of the soil humidity sensor to receive the soil humidity detection value, and outputs a first comparison signal when the soil humidity detection value is smaller than a preset value of the first comparison circuit;
the second comparison circuit is coupled to the output end of the soil humidity sensor to receive the soil humidity detection value, and outputs a second comparison signal when the soil humidity detection value is larger than a preset value of the second comparison circuit; wherein the content of the first and second substances,
the preset value of the first comparison circuit is smaller than the preset value of the second comparison circuit;
the state switching circuit is coupled to the output end of the first comparison circuit and the output end of the second comparison circuit to receive the first comparison signal and the second comparison signal and output a switch signal;
the switch circuit is coupled to the state switching circuit to receive the switch signal and control the on-off of the electromagnetic valve.
Through the technical scheme, the soil humidity is monitored in real time through the soil humidity sensor, the preset values in the first comparison circuit and the second comparison circuit can be correspondingly changed according to the soil moisture requirement of actual seedling varieties, when the soil humidity sensor detects that the soil humidity at the current position is smaller than the preset value of the first comparison circuit, the first comparison circuit outputs a first comparison signal with a high level, the state switching circuit outputs a switching signal to control the switching circuit to act after receiving the first comparison circuit with the high level, the switching circuit controls the opening of the electromagnetic valve, water flows are filled into the water inlet pipe and continuously irrigate seedlings through a plurality of water outlet pipes and corresponding nozzles, and when the nozzles irrigate the soil until the soil humidity detected by the soil humidity sensor is larger than the preset value of the second comparison circuit, the second comparison circuit outputs a second comparison signal with the high level, after the state switching circuit receives the second high-level comparison signal, the state switching circuit outputs a switching signal to control the switching circuit to act, and the switching circuit controls the electromagnetic valve to be closed, so that the spray head is controlled to stop irrigating the nursery stock.
Further, the state switching circuit includes:
an or gate having two input terminals and an output terminal, a first input terminal of the or gate being coupled to the output terminal of the first comparing circuit for receiving the first comparing signal, and a second input terminal of the or gate being coupled to the output terminal of the second comparing circuit for receiving the second comparing signal;
the T flip-flop has a control terminal T, a clock input terminal CK and an output terminal Q, wherein the control terminal T is coupled to the direct current VCC, the clock input terminal CK is coupled to the output terminal of the OR gate, and the output terminal Q outputs a switching signal.
Through the technical scheme, when the first comparison circuit or the second comparison circuit outputs the first comparison signal or the second comparison signal with high level, the OR gate outputs a high level signal, and since the generation condition of the first comparison signal of the high level is that the output value of the soil moisture sensor is less than the preset value of the first comparison circuit, and the high level second comparison signal is generated under the condition that the output value of the soil moisture sensor is greater than the preset value of the second comparison circuit, and the preset value of the first comparison circuit is smaller than the preset value of the second comparison circuit, so when the output value of the soil humidity sensor is smaller than the preset value of the first comparison circuit, the output end of the first comparison circuit outputs a first comparison signal with high level, the OR gate outputs a high-level signal, the T trigger outputs a high-level switching signal, the switching circuit controls the opening of the electromagnetic valve, and the spray head irrigates; when the output value of the soil humidity sensor is larger than the preset value of the first comparison circuit and smaller than the preset value of the second comparison circuit, the first comparison circuit and the second comparison circuit respectively output a first comparison signal with a low level and a second comparison signal with a low level, the state of the T trigger is kept, and the spray head continuously sprays; when the output value of the soil humidity sensor is larger than the preset value of the second comparison circuit, the second comparison circuit outputs a second comparison signal of a high level, the OR gate outputs a high level signal, the T trigger jumps to a switch signal of a low level, the switch circuit cuts off a power supply loop of the electromagnetic valve, and the spray head stops irrigating, so that the opening and closing of the soil humidity control electromagnetic valve are detected through the opening and closing control assembly, and the automatic control of the electromagnetic valve is realized.
Further, the inlet tube with be provided with liquid mixing box and liquid receiving pipe between the outlet pipe, the tip fixed connection of inlet tube in one side of liquid mixing box and with liquid mixing box communicate with each other, liquid receiving pipe fixed connection in the opposite side of liquid mixing box and with liquid mixing box communicate with each other, and a plurality of outlet pipe connection is on liquid receiving pipe, be provided with the liquid feeding subassembly that is used for the splendid attire liquid medicine and to the liquid mixing incasement to continuously add the liquid medicine on the liquid mixing box.
Through above-mentioned technical scheme, rivers get into the liquid mixing box behind the inlet tube, continue to add the liquid medicine to the liquid mixing box through the liquid feeding subassembly for after mixing from the water that the inlet tube got into the liquid mixing box and liquid medicine, send into the outlet pipe through the mixture of liquid receiving pipe with water and liquid medicine, and realize the medicine through the shower nozzle and spray the mixed liquid after to the nursery stock and spray.
Furthermore, the liquid adding assembly comprises a connecting platform fixedly connected to the liquid mixing box, the connecting platform is fixedly connected with a liquid adding box used for storing liquid medicine, the connecting platform is provided with an overflow groove penetrating through the liquid mixing box and the liquid adding box, and the liquid adding box is connected with an opening and closing assembly used for controlling the opening and closing of the overflow groove.
Through above-mentioned technical scheme, the liquid medicine is saved in the liquid feeding incasement, opens and close control to the overflow launder through opening and close the subassembly, realizes the liquid medicine from the control that the passageway opened and close between liquid feeding case and the muddy liquid case.
Furthermore, the opening and closing assembly comprises a rotating rod and a plugging plug, wherein the rotating rod is in threaded connection with the liquid adding box and penetrates through the top of the liquid adding box, and the plugging plug is fixedly connected with the rotating rod and is abutted against the wall of the overflow groove.
Through above-mentioned technical scheme, when the dwang takes place to rotate, because dwang threaded connection in liquid feeding case, and dwang fixed connection blocks up in the shutoff, so the dwang drives the shutoff stopper and takes place also to take place circumferential direction simultaneously along the ascending removal of dwang axial, because the shutoff blocks up and takes place the ascending position of dwang axial, so through shutoff stopper realization overflow launder open-ended opening and closing control.
Furthermore, the diameter of an opening of the overflow groove close to one side of the liquid adding box is larger than that of an opening of the overflow groove close to one side of the liquid mixing box.
Through the technical scheme, the adjustment of the amount of the liquid medicine in the unit time from the liquid adding tank to the liquid mixing tank is realized, so that the dilution degree of the liquid medicine can be conveniently and manually controlled according to different liquid medicine types or different seedling varieties.
Furthermore, a hand wheel is fixedly connected to the rotating rod.
Through above-mentioned technical scheme, the hand wheel makes things convenient for the rotation control of dwang.
Furthermore, an on-off button for opening and closing the electromagnetic valve is installed on the liquid adding box.
Through the technical scheme, the opening time of the electromagnetic valve after the detection of the soil humidity is not required to be manually waited through the opening and closing button, and the freedom of the liquid medicine spraying time is improved.
To sum up, the utility model discloses following beneficial effect has:
the control assembly is used for detecting the soil humidity and controlling the soil irrigation time, so that the aim of ensuring the normal growth of the seedlings is fulfilled; the liquid medicine is continuously added into the liquid mixing box through the liquid adding assembly, and water and the liquid medicine are mixed and then irrigated in the liquid mixing box, so that the liquid medicine spraying on the nursery stock is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a circuit diagram of a control unit in the present embodiment;
fig. 3 is a partial sectional view of the present embodiment, mainly showing the structure of the charging assembly.
Reference numerals: 1. a water inlet pipe; 2. an electromagnetic valve; 3. a liquid mixing tank; 4. a liquid receiving pipe; 5. a water outlet pipe; 6. a spray head; 7. a control component; 8. a liquid adding assembly; 9. a soil humidity sensor; 10. a first comparison circuit; 11. a second comparison circuit; 12. a state switching circuit; 13. a switching circuit; OR, OR gate; u1, T flip-flop; 14. a connecting table; 15. a liquid adding tank; 16. an overflow trough; 17. an opening and closing assembly; 18. rotating the rod; 19. a hand wheel; 20. blocking; s, opening and closing a button; 21. an extension cylinder; 22. a dust cover; 23. and (4) a support column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a nursery watering device, as shown in figure 1, including inlet tube 1, inlet tube 1 buries underground in soil, install solenoid valve 2 on the inlet tube 1, and the one end of inlet tube 1 is connected in municipal pipe network, the other end of inlet tube 1 is connected with liquid mixing box 3, liquid mixing box 3 buries underground in soil, fixedly connected with connects liquid pipe 4 on the liquid mixing box 3, connect liquid pipe 4 and inlet tube 1 fixed connection on the relative lateral wall of liquid mixing box 3, the tip that liquid mixing box 3 was kept away from to liquid pipe 4 is for sealing the setting, and connect on the liquid pipe 4 a plurality of outlet pipe 5 of fixedly connected with, soil is extended at the top of outlet pipe 5, and the top fixedly connected with shower nozzle 6 of outlet pipe 5.
When solenoid valve 2 got the electricity to open, during rivers among the municipal pipe network entered inlet tube 1 to in flowing into mixing liquid case 3 through inlet tube 1, rivers sprayed away through outlet pipe 5 and shower nozzle 6 behind liquid receiving pipe 4, realized the watering to the nursery stock.
In order to control the irrigation time of the nursery stock conveniently, a control assembly 7 is coupled to the electromagnetic valve 2, the control assembly 7 detects the soil humidity, and the electromagnetic valve 2 is controlled to be opened and closed according to the soil humidity, so that the purpose of controlling the irrigation time is achieved.
And in order to realize the medicine spraying of nursery stock when watering conveniently, be provided with liquid feeding subassembly 8 on mixing liquid case 3, liquid feeding subassembly 8 is used for splendid attire liquid medicine and makes liquid medicine continuously add in mixing liquid case 3.
As shown in fig. 1 and 2, the control assembly 7 includes:
a soil humidity sensor 9 installed in the soil for detecting the humidity of the soil and outputting a soil humidity detection value;
a first comparison circuit 10, coupled to an output terminal of the soil humidity sensor 9, for receiving a soil humidity detection value, and outputting a first comparison signal when the soil humidity detection value is smaller than a preset value of the first comparison circuit 10;
a second comparing circuit 11, coupled to the output terminal of the soil humidity sensor 9, for receiving the soil humidity detection value, and outputting a second comparing signal when the soil humidity detection value is greater than a preset value of the second comparing circuit 11; wherein the content of the first and second substances,
the preset value of the first comparison circuit 10 is smaller than the preset value of the second comparison circuit 11;
a state switching circuit 12 coupled to the output terminal of the first comparing circuit 10 and the output terminal of the second comparing circuit 11 to receive the first comparing signal and the second comparing signal and output a switching signal;
the switch circuit 13 is coupled to the state switching circuit 12 to receive the switch signal and control the on/off of the solenoid valve 2.
The first comparison circuit 10 includes a comparator a, a resistor R1 and a resistor R2, wherein the reverse terminal of the comparator a is coupled to the output terminal of the soil moisture sensor 9, the resistor R1 is connected in series between the positive terminal of the comparator a and the dc voltage VCC, the resistor R2 is connected in series between the positive terminal of the comparator a and the ground, and the voltage value at the two terminals of the resistor R2 is the preset value of the first comparison circuit 10.
The second comparing circuit 11 includes a comparator B, a resistor R3 and a resistor R4, the positive phase terminal of the comparator B is coupled to the output terminal of the soil moisture sensor 9, the resistor R3 is connected in series between the negative phase terminal of the comparator B and the dc voltage VCC, the resistor R4 is connected in series between the negative phase terminal of the comparator B and the ground, and the voltage value at the two ends of the resistor R4 is the preset value of the second comparing circuit 11.
The state switching circuit 12 includes:
an OR gate OR having two input terminals and an output terminal, wherein a first input terminal thereof is coupled to the output terminal of the comparator a for receiving the first comparison signal, and a second input terminal thereof is coupled to the output terminal of the comparator B for receiving the second comparison signal;
the T flip-flop U1 has a control terminal T coupled to the dc voltage VCC, a clock input terminal CK coupled to the output terminal of the or gate OROR, and an output terminal Q outputting a switching signal.
The switch circuit 13 comprises a resistor R5, a resistor R6, a triode Q1, a freewheeling diode D1 and a relay KM 1.
One end of a resistor R5 is coupled to an output end Q of the T trigger U1U1, the other end of the resistor R5 is coupled to a base electrode of the triode Q1, a resistor R6 is connected in series between the base electrode of the triode Q1 and the ground, an emitter electrode of the triode Q1 is grounded, the relay KM1 is provided with a coil and a normally open contact, the coil of the relay KM1 is connected in series between a collector electrode of the triode Q1 and direct current VCC, the normally open contact of the relay KM1 is connected in series in a power supply loop of the electromagnetic valve 2, an anode of a freewheeling diode D1 is coupled to a collector electrode of the triode Q1, and a cathode of.
The soil humidity sensor 9 is used for monitoring the soil humidity in real time, the preset values in the first comparison circuit 10 and the second comparison circuit 11 can be correspondingly changed according to the soil moisture requirement of actual seedling varieties, when the soil humidity sensor 9 detects that the soil humidity at the current position is smaller than the preset value of the first comparison circuit 10, the first comparison circuit 10 outputs a first comparison signal with a high level, the state switching circuit 12 receives the first comparison circuit 10 with the high level and outputs a switching signal to control the switching circuit 13 to act, the switching circuit 13 controls the opening of the electromagnetic valve 2 to flush water in the water inlet pipe 1, the seedlings are irrigated continuously through a plurality of water outlet pipes 5 and corresponding spray heads 6, when the spray heads 6 irrigate the soil until the soil humidity detected by the soil humidity sensor is larger than the preset value of the second comparison circuit 11, the second comparison circuit 11 outputs a second comparison signal with the high level, after receiving the second high-level comparison signal, the state switching circuit 12 outputs a switching signal to control the switching circuit 13 to operate, and the switching circuit 13 controls the electromagnetic valve 2 to be closed, so as to control the spray head 6 to stop irrigating the nursery stock.
As shown in fig. 1 and 3, the liquid adding assembly 8 includes a connecting platform 14 fixedly connected to the upper surface of the liquid mixing tank 3, a liquid adding tank 15 is fixedly connected to the connecting platform 14, the liquid adding tank 15 is disposed above the soil, and the liquid adding tank 15 is used for storing liquid medicine.
For the stability that improves liquid feeding box 15, mix two spinal branch daggers 23 of fixedly connected with on the liquid box 3, two spinal branch daggers 23 are located the both sides of junctor table 14 respectively, and the upper surface fixed connection of support column 23 in liquid feeding box 15's lower surface.
An overflow groove 16 is formed in the connecting table 14, the overflow groove 16 penetrates through the liquid mixing tank 3 and the liquid adding tank 15, the overflow groove 16 is in a circular truncated cone shape, the diameter of an opening at the upper end of the overflow groove 16 is larger than that of an opening at the lower end of the overflow groove, and an opening and closing assembly 17 used for controlling the opening and closing of the overflow groove 16 is connected to the liquid adding tank 15.
In order to add liquid medicine into the liquid adding box 15, a liquid inlet (not shown in the figure) is formed in the liquid adding box 15, an extension cylinder 21 is fixedly connected to the upper surface of the liquid adding box, the extension cylinder 21 is arranged around the liquid inlet, a dust-proof cover 22 is arranged on the extension cylinder 21 in a covering mode, the dust-proof cover 22 is arranged on the extension cylinder 21 in a covering mode, and the inner wall of the dust-proof cover 22 abuts against the outer wall of the extension cylinder 21.
When the liquid medicine needs to be added into the liquid adding box 15, the dustproof cover 22 is pulled out upwards to expose the liquid inlet; after the liquid medicine is added, the dust-proof cover 22 is sleeved outside the extension tube 21, so that the liquid adding box 15 is sealed.
The opening and closing assembly 17 comprises a vertically arranged rotating rod 18, a hand wheel 19 is fixedly connected to the top of the rotating rod 18, the rotating rod 18 penetrates through the top wall of the liquid adding box 15, the rotating rod 18 is in threaded connection with the top wall of the liquid adding box 15, a sealing plug 20 is fixedly connected to the bottom of the rotating rod 18, the sealing plug 20 is in a circular truncated cone shape, and the side wall of the sealing plug 20 abuts against the groove wall of the overflow groove 16.
When the rotating rod 18 rotates, the rotating rod 18 is in threaded connection with the liquid adding tank 15, and the rotating rod 18 is fixedly connected with the seal plug 20, so that the rotating rod 18 drives the seal plug 20 to move axially along the rotating rod 18 and also to rotate circumferentially, and the seal plug 20 is in the position axially on the rotating rod 18, so that the opening and closing of the overflow groove 16 are controlled by the seal plug 20.
Wherein, because overflow launder 16 and shutoff stopper 20 are the round platform type setting, and shutoff stopper 20 when moving control overflow launder 16 circulation passageway in vertical direction and changing, realize the regulation of the volume in liquid medicine from liquid feeding case 15 to mixing liquid case 3 in the unit interval to make things convenient for the manual work to control the liquid medicine dilution degree according to different liquid medicine kinds or different nursery stock varieties.
In order to increase the free control of the liquid medicine spraying time, the side wall of the liquid adding box 15 is provided with a start-stop button S, the start-stop button S is a self-locking button, and two ends of the start-stop button S are connected in parallel with two ends of a normally open contact of a relay KM1 (see figure 2).
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a nursery watering device, includes feed through in municipal pipe network and bury inlet tube (1) in soil underground, install solenoid valve (2) that are used for controlling whether rivers get into inlet tube (1) on inlet tube (1), a plurality of outlet pipe (5) of fixedly connected with on inlet tube (1), install shower nozzle (6) that are used for carrying out the sprinkling irrigation to the plant on outlet pipe (5), a serial communication port, coupling has control assembly (7) that are used for opening and close according to soil moisture control solenoid valve (2) on solenoid valve (2), control assembly (7) include:
a soil humidity sensor (9) installed in the soil for detecting the humidity of the soil and outputting a soil humidity detection value;
the first comparison circuit (10) is coupled to the output end of the soil humidity sensor (9) to receive a soil humidity detection value, and outputs a first comparison signal when the soil humidity detection value is smaller than a preset value of the first comparison circuit (10);
the second comparison circuit (11) is coupled to the output end of the soil humidity sensor (9) to receive the soil humidity detection value, and outputs a second comparison signal when the soil humidity detection value is larger than the preset value of the second comparison circuit (11); wherein the content of the first and second substances,
the preset value of the first comparison circuit (10) is smaller than the preset value of the second comparison circuit (11);
a state switching circuit (12) coupled to the output terminal of the first comparing circuit (10) and the output terminal of the second comparing circuit (11) for receiving the first comparing signal and the second comparing signal and outputting a switching signal;
the switching circuit (13) is coupled with the state switching circuit (12) to receive a switching signal and control the on-off of the electromagnetic valve (2);
inlet tube (1) with be provided with between outlet pipe (5) and mix liquid case (3) and connect liquid pipe (4), the tip fixed connection of inlet tube (1) in one side of mixing liquid case (3) and with mix liquid case (3) and communicate with each other, connect liquid pipe (4) fixed connection in the opposite side of mixing liquid case (3) and with mix liquid case (3) and communicate with each other, and a plurality of outlet pipe (5) are connected on connecing liquid pipe (4), be provided with on mixing liquid case (3) and be used for the splendid attire liquid medicine and to continuously add liquid feeding subassembly (8) of liquid medicine in mixing liquid case (3).
2. A nursery watering device according to claim 1, wherein the state switching circuit (12) comprises:
an OR gate (OR) having two input terminals and an output terminal, a first input terminal of the OR gate being coupled to the output terminal of the first comparing circuit (10) for receiving the first comparing signal, and a second input terminal of the OR gate being coupled to the output terminal of the second comparing circuit (11) for receiving the second comparing signal;
the T flip-flop (U1) has a control terminal T coupled to the dc voltage VCC, a clock input terminal CK coupled to the output terminal of the OR gate (OR), and an output terminal Q outputting a switching signal.
3. A nursery watering device according to claim 1, wherein: the liquid adding assembly (8) comprises a connecting platform (14) fixedly connected to the liquid mixing box (3), the liquid adding box (15) used for storing liquid medicine is fixedly connected to the connecting platform (14), an overflow groove (16) penetrating through the liquid mixing box (3) and the liquid adding box (15) is formed in the connecting platform (14), and an opening and closing assembly (17) used for controlling the opening and closing of the overflow groove (16) is connected to the liquid adding box (15).
4. A nursery watering device according to claim 3, wherein: the opening and closing assembly (17) comprises a rotating rod (18) which is in threaded connection with the liquid adding box (15) and penetrates through the top of the liquid adding box (15), and a sealing plug (20) which is fixedly connected with the rotating rod (18) and is abutted against the groove wall of the overflow groove (16).
5. A nursery watering device according to claim 4, wherein: the diameter of an opening of the overflow groove (16) close to one side of the liquid adding box (15) is larger than that of an opening of the overflow groove close to one side of the liquid mixing box (3).
6. A nursery watering device according to claim 4, wherein: and a hand wheel (19) is fixedly connected to the rotating rod (18).
7. A nursery watering device according to claim 3, wherein: and an opening and closing button (S) for opening and closing the electromagnetic valve (2) is arranged on the liquid adding box (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849065.7U CN209824717U (en) | 2018-06-01 | 2018-06-01 | Nursery watering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849065.7U CN209824717U (en) | 2018-06-01 | 2018-06-01 | Nursery watering device |
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| Publication Number | Publication Date |
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| CN209824717U true CN209824717U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820849065.7U Active CN209824717U (en) | 2018-06-01 | 2018-06-01 | Nursery watering device |
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| CN (1) | CN209824717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741269A (en) * | 2021-08-31 | 2021-12-03 | 广州大学 | Intelligent photovoltaic irrigation system capable of preventing dry and wet probes from being pulled out by mistake |
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2018
- 2018-06-01 CN CN201820849065.7U patent/CN209824717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741269A (en) * | 2021-08-31 | 2021-12-03 | 广州大学 | Intelligent photovoltaic irrigation system capable of preventing dry and wet probes from being pulled out by mistake |
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